阅读说明：本技术 一种可移动式体操训练用辅助保护系统 (Movable gymnastics training is with supplementary protection system ) 是由 曾烨琳 于 2021-09-27 设计创作，主要内容包括：本发明提供了一种可移动式体操训练用辅助保护系统,包括保护装置、充气装置、采集装置、调整装置、升降装置和处理器,保护装置用于对训练者的训练位置进行防护,以实现对训练者的保护；采集装置用于对训练者进行采集,若出现危险或者异常状况,则触发预警信号；充气装置基于采集装置的采集数据,对保护装置进行充气,以对训练者进行保护；升降装置用于对训练者的保护的高度进行柔性接触,以防护训练者身体与保护装置的冲击力；调整装置基于采集装置的数据调整保护装置和升降装置的位置。本发明通过保护装置与充气装置相互配合,使得检测装置在进行检测的过程中,能够依据不同的训练者进行适应性的调整,以适用于不同的应用场景。(The invention provides a movable auxiliary protection system for gymnastics training, which comprises a protection device, an inflation device, a collection device, an adjustment device, a lifting device and a processor, wherein the protection device is used for protecting the training position of a trainer so as to protect the trainer; the acquisition device is used for acquiring the trainee and triggering an early warning signal if a dangerous or abnormal condition occurs; the inflation device inflates the protection device based on the acquired data of the acquisition device so as to protect the trainer; the lifting device is used for flexibly contacting the protection height of the trainer so as to protect the impact force between the body of the trainer and the protection device; the adjusting device adjusts the positions of the protecting device and the lifting device based on the data of the collecting device. According to the invention, the protection device and the inflation device are matched with each other, so that the detection device can be adaptively adjusted according to different trainers in the detection process, and is suitable for different application scenes.)

1. A movable auxiliary protection system for gymnastic training is characterized by comprising a protection device, an inflation device, a collection device, an adjustment device, a lifting device and a processor;

the processor is respectively in control connection with the protection device, the inflation device, the acquisition device, the adjustment device and the lifting device; the protection device is used for protecting the training position of a trainer so as to protect the trainer; the acquisition device is used for acquiring the actions or positions of the trainers, and if dangerous or abnormal conditions occur, an early warning signal is triggered; the inflation device inflates the protection device based on the acquired data of the acquisition device so as to protect the trainer; the lifting device is used for flexibly contacting the protection height of the trainer so as to protect the impact force of the body of the trainer and the protection device; the adjusting device adjusts the positions of the protecting device and the lifting device based on the data of the collecting device;

the acquisition device comprises an acquisition probe, a pitching adjustment component and a transverse offset component, wherein the acquisition probe is used for acquiring the position of the trainer so as to acquire data of the trainer during action; the acquisition probe is connected with the pitching adjusting component, and the pitching adjusting component tracks the position of the trainer so as to acquire the data of the trainer; the transverse offset component adjusts the offset of the pitching adjustment component and the horizontal direction of the acquisition probe;

acquiring a pixel coordinate sequence Location { S ═ of the motion or position of a key point indicated in an image or video frame in a training period of the trainer₀，S₁，S₂，…，S_i}，i＝0，1，2,3，…，n；S₀Is the natural position of the apparatusThe corresponding pixel coordinates; s_iPixel coordinates corresponding to the final position of the trainer, wherein the key points comprise the inherent position point of the equipment, the hand, the leg, the waist, the shoulder and the head;

in a sampling period, the Euclidean distance D between pixel points in an image or video frame acquired by the acquisition probe is calculated according to the following formula:

wherein in the formula, S₀(x₀，y₀) As a device-inherent location coordinate point, S_i(x_i，y_i) The reference point is a reference point on the limb of the trainer and is set as the farthest pixel point of the coordinate point of the inherent position of the equipment;

according to the above formula, the correspondence between the position and the speed of the trainee at one sampling time Δ t is determined, and there are:

△t＝(t+1)-t

v(t+1)＝v(t)+a(t)×Δt

wherein DF (t +1) -DF (t) is the variation distance of the trainer during action in a sampling time Δ t; v (t) is the speed of the trainer when doing the action, and the value can be measured; Δ k is a correction factor whose value is related to the frequency of similar or near actions by the trainer; a (t) is the critical point acceleration of the trainer at one sampling moment.

2. The auxiliary protection system for movable gymnastic training as claimed in claim 1, wherein the protection device comprises a protection airbag and a buffer member, the buffer member is arranged on one side of the protection airbag and supports or isolates the protection airbag; the buffer component is used for delaying the flow of gas inside the protection air bag so as to realize that the rapid change causes the damage or the air leakage of the protection air bag; the buffer component comprises an auxiliary bag, vent channels and a partition layer, the partition layer separates the protection air bag from the auxiliary bag, and the protection air bag is communicated with the auxiliary bag through a plurality of vent channels;

a one-way vent valve is provided in each of the vent tubes to allow gas in the protective air bag to vent into the secondary bag.

3. The auxiliary protection system for movable gymnastic training as claimed in claim 2, wherein the inflation device comprises an inflation mechanism and a release mechanism, and the inflation member is used for inflating the protection airbag; the release mechanism is arranged on the auxiliary bag and is used for discharging gas in the auxiliary bag;

the inflation mechanism comprises an inflator pump, a trigger and a detection piece, and the detection piece is arranged in the protective air bag and feeds a current air pressure value back to the processor; the trigger receives the data of the detection piece and the control instruction of the processor and triggers the ventilation valve in the ventilation channel; the inflator pump is used for inflating the protection airbag;

the release mechanism comprises a release channel and a locking valve, the locking valve is arranged in the release channel and is unlocked based on a release instruction sent by the processor, so that the gas in the auxiliary bag can be released;

the release channel is arranged on the inner wall of the auxiliary bag and penetrates through the inner wall of the auxiliary bag, so that the release channel is formed when the release channel is released.

4. The auxiliary protection system for movable gymnastic training as claimed in claim 3, wherein the lifting device comprises a support mechanism and an auxiliary mechanism, the support mechanism is used for supporting the auxiliary mechanism, and the auxiliary mechanism is used for delaying the acting force of the trainer during the process of the trainer falling to the ground; the supporting mechanism comprises a supporting frame, a plurality of extension rods and extension detection pieces, and the supporting frame is provided with a hollow cavity; each extension bar is arranged on the edge of the inner wall of the cavity of the support piece and extends out towards the symmetrical center of the cavity of the support frame; each detection piece is used for detecting the extending length of each extending rod; the auxiliary mechanism comprises a supporting rod, a connecting piece, elastic mesh cloth and a plurality of hangers arranged on the supporting rod, wherein each hanger is arranged on the supporting piece and arranged along the length direction of the supporting rod, a connecting hole is formed in the edge of the elastic mesh cloth, and the connecting hole is connected with the hanger through the connecting piece; one side of the support rod, which is far away from the hanging lug, is connected with each extension rod so as to realize the adjustment of the connecting rod at different positions; the elastic mesh cloth is used for contacting the trainer so as to protect the trainer.

5. The auxiliary protection system for portable gymnastic training as claimed in claim 4, wherein the adjusting device is arranged on one side of the lifting device close to the ground so as to isolate the lifting device from the ground and adjust the lifting height; the adjusting device comprises an adjusting mechanism and a clamping mechanism, and the adjusting mechanism is used for adjusting the height of the supporting mechanism; the clamping mechanism clamps the position of the adjusting mechanism on the support frame to realize the adjustment of different heights.

6. The auxiliary protection system for movable gymnastic training as claimed in claim 5, wherein the adjusting mechanism comprises an adjusting leg and a movable rod, one end of the movable rod is hinged with the lower edge of the supporting frame, and the other end of the movable rod is hinged with the rod body of the adjusting leg; the adjusting legs are of U-shaped structures, and U-shaped openings of the adjusting legs are connected with the clamping mechanisms; the adjusting leg and the position on the ground contacting are provided with an anti-skidding foot pad which is nested on the contact position of the adjusting leg and the ground.

7. The auxiliary protection system for the movable gymnastic training as claimed in claim 6, wherein the clamping mechanism comprises a clamping track, a clamping plate and a locking member, the clamping track is arranged on one side of the support frame close to the ground, the clamping plate is in sliding clamping connection with the clamping track and is locked on the clamping track through the locking member;

the clamping rail is provided with a plurality of clamping cavities, and the clamping cavities are distributed at equal intervals along the direction of the clamping rail; the locking component is clamped in the clamping cavity when being locked;

the locking member comprises a locking piece, a telescopic rod, a telescopic driving mechanism and a control panel, one end of the locking rod is connected with the locking piece, and the other end of the telescopic rod is connected with the telescopic driving mechanism; the locking piece is rotated in the locking and is adjusted into the gesture with the orientation syntropy of joint cavity by the horizontality to realize the locking.

8. The auxiliary protection system for movable gymnastic training as claimed in claim 7, wherein the pitch adjustment member comprises a pitch seat, a base, a pitch detection member and a pitch driving mechanism, the pitch seat is hinged with the base, and is driven by the pitch driving mechanism to realize pitch adjustment; the pitching detection piece is used for detecting the angle of the pitching seat; when the pitching driving mechanism drives the pitching seat to rotate, the pitching driving mechanism rotates along the hinged position of the pitching seat and the base.

9. The auxiliary protection system for movable gymnastic training as claimed in claim 8, wherein the lateral deviation member comprises a deflection rod, a rotating base, an upright rod, a horizontal angle detector and a lateral driving mechanism, one end of the deflection rod is connected with the base, the other end of the deflection rod is connected with the rotating base, a rod body at one end of the upright rod is provided with a cavity for placing the lateral driving mechanism, and the other end of the upright rod is arranged at the edge of the upper end surface of the supporting frame; an output shaft of the transverse driving mechanism drives the lower end surface of the rotating seat through a gear pair so as to realize that the rotating seat rotates along the axis of the output shaft; the horizontal angle detection piece detects the rotation angle of the rotation seat.

10. The auxiliary protection system for movable gymnastic training as claimed in claim 9, wherein the protection air bag and the auxiliary bag are both made of high-strength nylon.

Technical Field

The invention relates to the technical field of physical training, in particular to a movable auxiliary protection system for gymnastics training.

Background

The general gymnastics is a general term for all gymnastics projects, the modern gymnastics project is provided with three major items of sports gymnastics, artistic gymnastics and trampolines, and in addition, the sports gymnastics, skill sports and the like are also provided, and the gymnastics training can cause physical damage to a trainer due to errors of the trainer.

For example, the prior art CN106377893B discloses an auxiliary protection device for gymnastic training, which can protect the elbow of the trainer and the body part of the parallel bar and sling trainer, but cannot move and can not be adjusted adaptively for different users.

Another typical gymnastics training protector disclosed in the prior art of CN205460874U, which has an elastic protective sleeve body, achieves the effect of protecting the elbow of the gymnastics trainer during training, but can only protect the elbow of the trainer due to the design, but cannot protect the other parts of the parallel bar and the hanging ring trainer well, so as to cause the problem that the body parts of the parallel bar and the hanging ring trainer are damaged by errors during training.

The invention aims to solve the problems that the field is poor in intelligence, cannot be suitable for more application scenes, is poor in protection effect, cannot be adjusted according to different users, cannot be moved and the like.

Disclosure of Invention

The invention aims to provide a movable auxiliary protection system for gymnastics training, aiming at the defects of gymnastics training protection at present.

In order to overcome the defects of the prior art, the invention adopts the following technical scheme:

a movable auxiliary protection system for gymnastic training comprises a protection device, an inflation device, a collection device, an adjustment device, a lifting device and a processor,

the processor is respectively in control connection with the protection device, the inflation device, the acquisition device, the adjustment device and the lifting device; the protection device is used for protecting the training position of a trainer so as to protect the trainer; the acquisition device is used for acquiring the actions or positions of the trainers, and if dangerous or abnormal conditions occur, an early warning signal is triggered; the inflation device inflates the protection device based on the acquired data of the acquisition device so as to protect the trainer; the lifting device is used for flexibly contacting the protection height of the trainer so as to protect the impact force of the body of the trainer and the protection device; the adjusting device adjusts the positions of the protecting device and the lifting device based on the data of the collecting device;

the acquisition device comprises an acquisition probe, a pitching adjustment component and a transverse offset component, wherein the acquisition probe is used for acquiring the position of the trainer so as to acquire data of the trainer during action; the acquisition probe is connected with the pitching adjusting component, and the pitching adjusting component tracks the position of the trainer so as to acquire the data of the trainer; the transverse offset component adjusts the offset of the pitching adjustment component and the horizontal direction of the acquisition probe;

acquiring a pixel coordinate sequence Location { S ═ of the motion or position of a key point indicated in an image or video frame in a training period of the trainer₀，S₁，S₂，…，S_i}，i＝0，1，2,3，…，n；S₀Pixel coordinates corresponding to the inherent position of the device; s_iPixel coordinates corresponding to the final position of the trainer, wherein the key points comprise the inherent position point of the equipment, the hand, the leg, the waist, the shoulder and the head;

in a sampling period, the Euclidean distance D between pixel points in an image or video frame acquired by the acquisition probe is calculated according to the following formula:

wherein in the formula, S₀(x₀，y₀) As a device-inherent location coordinate point, S_i(x_i，y_i) The reference point is a reference point on the limb of the trainer and is set as the farthest pixel point of the coordinate point of the inherent position of the equipment;

according to the above formula, the correspondence between the position and the speed of the trainee at one sampling time Δ t is determined, and there are:

△t＝(t+1)-t

v(t+1)＝v(t)+a(t)×Δt

wherein DF (t +1) -DF (t) is the variation distance of the trainer during action in a sampling time Δ t; v (t) is the speed of the trainer when doing the action, and the value can be measured; Δ k is a correction factor whose value is related to the frequency of similar or near actions by the trainer; a (t) is the critical point acceleration of the trainer at one sampling moment.

Optionally, the protection device includes a protection airbag and a buffer member, the buffer member is disposed at one side of the protection airbag and supports or isolates the protection airbag; the buffer component is used for delaying the flow of gas inside the protection air bag so as to realize that the rapid change causes the damage or the air leakage of the protection air bag; the buffer component comprises an auxiliary bag, vent channels and a partition layer, the partition layer separates the protection air bag from the auxiliary bag, and the protection air bag is communicated with the auxiliary bag through a plurality of vent channels;

a one-way vent valve is provided in each of the vent tubes to allow gas in the protective air bag to vent into the secondary bag.

Optionally, the inflation device comprises an inflation mechanism and a release mechanism, and the inflation member is used for inflating the protection airbag; the release mechanism is arranged on the auxiliary bag and is used for discharging gas in the auxiliary bag;

the inflation mechanism comprises an inflator pump, a trigger and a detection piece, and the detection piece is arranged in the protective air bag and feeds a current air pressure value back to the processor; the trigger receives the data of the detection piece and the control instruction of the processor and triggers the ventilation valve in the ventilation channel; the inflator pump is used for inflating the protection airbag;

the release mechanism comprises a release channel and a locking valve, the locking valve is arranged in the release channel and is unlocked based on a release instruction sent by the processor, so that the gas in the auxiliary bag can be released;

the release channel is arranged on the inner wall of the auxiliary bag and penetrates through the inner wall of the auxiliary bag, so that the release channel is formed when the release channel is released.

Optionally, the lifting device includes a supporting mechanism and an auxiliary mechanism, the supporting mechanism is used for supporting the auxiliary mechanism, and the auxiliary mechanism is used for delaying the acting force of the trainer in the process of the trainer falling to the ground; the supporting mechanism comprises a supporting frame, a plurality of extension rods and extension detection pieces, and the supporting frame is provided with a hollow cavity; each extension bar is arranged on the edge of the inner wall of the cavity of the support piece and extends out towards the symmetrical center of the cavity of the support frame; each detection piece is used for detecting the extending length of each extending rod; the auxiliary mechanism comprises a supporting rod, a connecting piece, elastic mesh cloth and a plurality of hangers arranged on the supporting rod, wherein each hanger is arranged on the supporting piece and arranged along the length direction of the supporting rod, a connecting hole is formed in the edge of the elastic mesh cloth, and the connecting hole is connected with the hanger through the connecting piece; one side of the support rod, which is far away from the hanging lug, is connected with each extension rod so as to realize the adjustment of the connecting rod at different positions; the elastic mesh cloth is used for contacting the trainer so as to protect the trainer.

Optionally, the adjusting device is disposed on a side of the lifting device close to the ground to isolate a distance between the lifting device and the ground, and adjust the lifting height; the adjusting device comprises an adjusting mechanism and a clamping mechanism, and the adjusting mechanism is used for adjusting the height of the supporting mechanism; the clamping mechanism clamps the position of the adjusting mechanism on the support frame to realize the adjustment of different heights.

Optionally, the adjusting mechanism includes an adjusting leg and a movable rod, one end of the movable rod is hinged to the lower edge of the support frame, and the other end of the movable rod is hinged to the rod body of the adjusting leg; the adjusting legs are of U-shaped structures, and U-shaped openings of the adjusting legs are connected with the clamping mechanisms; the adjusting leg and the position on the ground contacting are provided with an anti-skidding foot pad which is nested on the contact position of the adjusting leg and the ground.

Optionally, the clamping mechanism comprises a clamping track, a clamping plate and a locking member, the clamping track is arranged on one side of the support frame close to the ground, and the clamping plate is in sliding clamping connection with the clamping track and is locked on the clamping track through the locking member;

the clamping rail is provided with a plurality of clamping cavities, and the clamping cavities are distributed at equal intervals along the direction of the clamping rail; the locking component is clamped in the clamping cavity when being locked;

the locking member comprises a locking piece, a telescopic rod, a telescopic driving mechanism and a control panel, one end of the locking rod is connected with the locking piece, and the other end of the telescopic rod is connected with the telescopic driving mechanism; the locking piece is rotated in the locking and is adjusted into the gesture with the orientation syntropy of joint cavity by the horizontality to realize the locking.

Optionally, the pitch adjustment component includes a pitch seat, a base, a pitch detection element and a pitch driving mechanism, the pitch seat is hinged to the base, and the pitch adjustment is realized under the driving of the pitch driving mechanism; the pitching detection piece is used for detecting the angle of the pitching seat; when the pitching driving mechanism drives the pitching seat to rotate, the pitching driving mechanism rotates along the hinged position of the pitching seat and the base.

Optionally, the lateral offset member includes a deflection rod, a rotation seat, an upright rod, a horizontal angle detection piece and a lateral driving mechanism, one end of the deflection rod is connected with the base, the other end of the deflection rod is connected with the rotation seat, a rod body at one end of the upright rod is provided with a cavity for placing the lateral driving mechanism, and the other end of the upright rod is arranged at the edge of the upper end surface of the support frame; an output shaft of the transverse driving mechanism drives the lower end surface of the rotating seat through a gear pair so as to realize that the rotating seat rotates along the axis of the output shaft;

the horizontal angle detection piece detects the rotation angle of the rotation seat.

Optionally, the protection airbag and the auxiliary airbag are both made of high-strength nylon materials.

The beneficial effects obtained by the invention are as follows:

1. by adopting the cooperation of the pitching adjusting mechanism and the transverse offset component, the training person can be acquired from multiple angles to acquire the most accurate data;

2. by adopting the mutual matching of the protection device and the inflation device, the detection device can carry out adaptive adjustment according to different trainers in the detection process so as to be suitable for different application scenes;

3. the protection air bag and the auxiliary bag can be communicated by adopting the locking valve under the control instruction of the processor, so that the gas in the protection air bag can fall on the protection air bag when a trainer has an accident or finishes the action, the gas in the protection air bag can be released into the auxiliary bag through the release passage, the time for the trainer to directly contact with the ground is delayed, and the safety of the trainer is ensured to the maximum extent;

4. the connecting pieces are used for connecting the hanging lugs with the connecting holes, so that the elastic mesh cloth can be fixed on the supporting rod, the extension rod can be used for drawing, and the optimal protection effect can be obtained when a trainer contacts the elastic mesh cloth to the maximum extent;

5. the auxiliary mechanism can adjust different positions according to the weight of the trainer by adjusting the position of the auxiliary mechanism by adopting the supporting mechanism so as to adapt to the requirements of trainers with different weights;

6. the adjusting mechanism is matched with the clamping mechanism, so that the lifting device adjusts the protection height of the trainer, and the trainer can obtain the best protection;

7. adjust the leg in the orbital suitable position of adjustment through manual stirring to trigger through control panel and to the stretching out or the withdrawal of telescopic link, in order to realize the operation to unblock, locking, thereby realize the accurate joint to the adjustment leg, in order to adapt to different height needs.

Drawings

The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

Fig. 1 is a schematic structural view of the elastic mesh.

Fig. 2 is a schematic structural diagram of the acquisition probe and the pitch adjustment mechanism.

Fig. 3 is a schematic front view of the follower member.

FIG. 4 is a side view of the follower member.

FIG. 5 is a cross-sectional schematic view of the follower member.

Fig. 6 is a partially exploded schematic view of the lateral shifting mechanism.

Fig. 7 is a schematic structural diagram of the lateral shift mechanism.

Fig. 8 is a schematic structural view of the protection device and the lifting device.

Fig. 9 is a schematic structural view of the protection device.

Fig. 10 is a schematic structural view of the lifting device.

Fig. 11 is a schematic structural view of the locking member and the clamping rail.

Fig. 12 is a cross-sectional schematic view of the locking member.

Fig. 13 is a schematic structural view of the following member.

The reference numbers illustrate: 1-collecting probe; 2-bottom pitching; 3-a pitch drive mechanism; 4-driving the gear; 5-a deflection bar; 6-lifting the rod; 7-a support bar; 8-secondary ring; 9-a fixing ring; 10-connecting lugs; 11-elastic mesh cloth; 12-a support bar; 13-extension bar; 14-a connector; 15-connecting holes; 16-hanging a lug; 17-a fixation rod; 18-a base; 19-a sensing member; 20-a transverse drive mechanism; 21-erecting a rod; 22-a support frame; 23-a rotating seat; 24-a level detector; 25-degree marker; 26-a movable rod; 27-adjusting legs; 28-a clamping mechanism; 29-a gymnastics device; 30-a mobile device; 31-accessory capsule; 32-a vent channel; 33-protective air bag; 34-an inflator pump; 35-a barrier layer; 36-a clamping plate; 37-a locking track; 38-a clamping cavity; 39-a locking element; 40-clamping protrusions; 41-a telescopic rod; 42-clamping the rail; 43-a release mechanism; 44-a storage chamber; 45-a follower member; 46-rotating well.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to embodiments thereof; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Other systems, methods, and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the detailed description that follows.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or component referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms described above will be understood by those of ordinary skill in the art according to the specific circumstances.

The first embodiment is as follows: according to fig. 1 to 13, the embodiment provides a movable auxiliary protection system for gymnastic training, which includes a protection device, an inflation device, a collection device, an adjustment device, a lifting device and a processor, wherein the processor is respectively in control connection with the protection device, the inflation device, the collection device, the adjustment device and the lifting device, and accurately controls the operations of the protection device, the inflation device, the collection device, the adjustment device and the lifting device based on the concentration of the processor; the protection device is used for protecting the training position of a trainer so as to protect the trainer; the acquisition device is used for acquiring the actions or positions of the trainers, and if dangerous or abnormal conditions occur, an early warning signal is triggered; the inflation device inflates the protection device based on the acquired data of the acquisition device so as to protect the trainer; the lifting device is used for flexibly contacting the protection height of the trainer so as to protect the impact force of the body of the trainer and the protection device; the adjusting device adjusts the positions of the protecting device and the lifting device based on the data of the collecting device, so that the height of the lifting device can be adjusted and is positioned above the protecting device.

The acquisition device sets up the border of elevating gear or keep away from the position of training person, wherein, when acquisition device sets up when keeping away from the position of training person, still can be to the data of training person carry out the control connection with the treater through wireless or wired mode.

The training position is set to a position below or around the device, wherein the device includes, but is not limited to, the following listed several: equipment used by pommel horse, flying rings, jumping horse, horizontal bar and parallel bars. The system of the present invention is placed around the lower back of the above-mentioned equipment to protect the trainee.

The acquisition device comprises an acquisition probe, a pitching adjustment component and a transverse offset component, wherein the acquisition probe is used for acquiring the position of the trainer so as to acquire data of the trainer during action; the acquisition probe is connected with the pitching adjusting component, and the pitching adjusting component tracks the position of the trainer so as to acquire the data of the trainer; the lateral deviation component adjusts the deviation of the pitch adjusting component and the horizontal direction of the collecting probe, specifically, the collecting probe is arranged on the pitch adjusting component to form a pitch part, and the lateral deviation component adjusts the pitch part in the horizontal direction.

The acquisition device further comprises a following component, wherein the following component is used for sensing the position of the trainer and transmitting sensed data to the pitching adjusting component and the transverse shifting component, so that the pitching adjusting component and the transverse shifting component can work to realize tracking and acquisition of the trainer.

The following component comprises an induction piece, a fixing ring, a connecting lug, a supporting rod, an auxiliary ring, a plurality of lifting rods and a lifting driving mechanism, wherein the induction piece faces one side of the trainer and induces the position data of the trainer.

The connecting lugs are symmetrically arranged on two peripheral sides of the fixing ring and extend towards one side far away from the fixing ring; the fixed ring and the auxiliary ring are coaxially arranged, each lifting rod is arranged between the fixed ring and the auxiliary ring, one end of each lifting rod is connected with the auxiliary ring, and the other end of each lifting rod is in driving connection with the lifting driving mechanism, so that the supporting rod can follow the trainee to dynamically follow. One end of the supporting rod is nested on the auxiliary ring, the other end of the supporting rod extends out towards the same side with the connecting lug, a fixing rod is arranged on a rod body of the supporting rod, and the fixing rod is hinged with a rotary hole formed in the connecting lug; and one end of the support rod, which is far away from the auxiliary ring, is provided with an induction piece, and the position of the induction piece is adjusted under the position adjustment of the lifting rod so as to obtain the position of the trainer. In addition, the direction of the rotary hole is parallel to the direction of the connecting lug, and the size of the rotary hole is matched with the swing range of the supporting rod so as to realize swing in different directions;

wherein, the sensing member includes but is not limited to the following listed several: infrared sensor, detection camera, infrared detection camera, detection radar and vision sensor, the infrared detection camera of preferred adoption, and when following, can make the training person is located the vision center of infrared detection camera all the time. And when the induction piece does not induce that the trainer is not positioned at the visual center of the induction piece, the trainer can be followed by the cooperation between the lifting rod and the lifting driving mechanism.

In addition, the data of the following component is in data interaction with the pitching adjusting component and the transverse offset component, so that the acquisition probe acquires the position of the trainer under the adjustment of the pitching driving mechanism and the transverse driving mechanism.

When the lifting rod in the vertical direction is lifted, the lifted height is transmitted to the pitching adjusting component, so that the pitching adjusting component can be adjusted to a corresponding height; in addition, when the lifting rod in the horizontal direction of the following member moves transversely, the translation amount in the horizontal direction is transmitted to the transverse offset member, so that the transverse offset member can move horizontally by a corresponding angle.

In addition to the extension of the lifting rod in the vertical direction and the horizontal direction, the elevation adjustment member and the horizontal offset member are required to be matched with each other in other directions, so that the acquisition probe can synchronously follow the trainer and acquire the position of the trainer. For adjustment in the other direction, the adjustment is performed in synchronization with shifting in a certain direction by the pitch adjustment mechanism and the lateral shift member.

In addition, the following component also comprises a plurality of position markers and lifting detection pieces, and each lifting detection piece is used for detecting the extending length of each lifting rod; and feeding back to the processor so that the processor can autonomously adjust the extending length based on the data of the sensing piece; each position marking piece is used for marking the position of each lifting rod and identifying the data of the lifting rod in a certain direction so as to realize synchronous adjustment with the pitching adjusting component and the transverse shifting component; for example: when the data of a certain position marker is adjusted, the number of the direction is used, the offset amount (measured by the lifting detection piece) under the number is obtained, the number of the detection amount and the direction and the pitching adjustment component and the transverse deflection component are transmitted, so that the transverse deflection component and the pitching adjustment component can be synchronously adjusted based on the data of the position marker and the data of the lifting detection piece.

Optionally, the pitch adjustment component includes a pitch seat, a base, a pitch detection element and a pitch driving mechanism, the pitch seat is hinged to the base, and the pitch adjustment is realized under the driving of the pitch driving mechanism; the pitching detection piece is used for detecting the angle of the pitching seat; when the pitching driving mechanism drives the pitching seat to rotate, the pitching driving mechanism rotates along the hinged position of the pitching seat and the base. The collecting probe is arranged on the pitching seat, and the angle of the collecting probe is adjusted when the pitching driving mechanism drives the base. In particular, the pitch base is hinged to the base and is able to rotate along the axis of the hinge when the pitch drive mechanism drives the pitch base. In addition, when the pitching detection piece rotates or modulates the pitching seat, the rotation angle of the pitching seat can be detected; the pitching seat is provided with a driving gear, and the driving gear and the driving mechanism are used for realizing pitching operation.

Optionally, the lateral offset member includes a deflection rod, a rotation seat, an upright rod, a horizontal angle detection piece and a lateral driving mechanism, one end of the deflection rod is connected with the base, the other end of the deflection rod is connected with the rotation seat, a rod body at one end of the upright rod is provided with a cavity for placing the lateral driving mechanism, and the other end of the upright rod is arranged at the edge of the upper end surface of the support frame; an output shaft of the transverse driving mechanism drives the lower end surface of the rotating seat through a gear pair so as to realize that the rotating seat rotates along the axis of the output shaft; the horizontal angle detection piece detects the rotation angle of the rotation seat. In addition, the lateral offset member further comprises angle markers, each of which is located along the outer wall of the vertical rod and at the same height as the level detection member. The horizontal angle detection piece faces the angle detection piece, so that the rotating angle of the rotating seat can be detected, and in addition, in the detection process, the initial position is subtracted from the rotating angle, so that the horizontal rotating angle can be obtained. Through the cooperation between every single move adjustment component and the lateral deviation component for the collection probe can be adjusted, in order to realize to the collection of training person's action and height, in addition, in this embodiment, also through every single move adjustment mechanism with the cooperation of lateral deviation component, can carry out the collection of multi-angle to training person, in order to obtain the most accurate data.

Acquiring a pixel coordinate sequence Location { S ═ of the motion or position of a key point indicated in an image or video frame in a training period of the trainer₀，S₁，S₂，…，S_i}，i＝0，1，2,3，…，n；S₀Pixel coordinates corresponding to the inherent position of the device; s_iPixel coordinates corresponding to the final position of the trainer, wherein the key points comprise the inherent position point of the equipment, the hand, the leg, the waist, the shoulder and the head;

in a sampling period, the Euclidean distance D between pixel points in an image or video frame acquired by the acquisition probe is calculated according to the following formula:

wherein in the formula, S₀(x₀，y₀) To be provided withPreparing a coordinate point of an inherent position, S_i(x_i，y_i) The reference point is a reference point on the limb of the trainer and is set as the farthest pixel point of the coordinate point of the inherent position of the equipment;

according to the above formula, the correspondence between the position and the speed of the trainee at one sampling time Δ t is determined, and there are:

△t＝(t+1)-t

v(t+1)＝v(t)+a(t)×Δt

wherein DF (t +1) -DF (t) is the variation distance of the trainer during action in a sampling time Δ t; v (t) is the speed of the trainer when doing the action, and the value can be measured; Δ k is a correction factor whose value is related to the frequency with which the trainer makes similar or similar movements; a (t) is the critical point acceleration of the trainer at one sampling moment. When the trainer carries out similar or similar actions, the initial position and the final position of the trainer;

the protection device is arranged below the lifting device, and the distance between the protection device and the protection device is adjusted according to the height of the protection device. Optionally, the protection device includes a protection airbag and a buffer member, the buffer member is disposed at one side of the protection airbag and supports or isolates the protection airbag; the buffer component is used for delaying the flow of gas inside the protection air bag so as to realize that the rapid change causes the damage or the air leakage of the protection air bag; the buffer component comprises an auxiliary bag, vent channels and a partition layer, the partition layer separates the protection air bag from the auxiliary bag, and the protection air bag is communicated with the auxiliary bag through a plurality of vent channels; a one-way vent valve is provided in each of the vent tubes to allow gas in the protective air bag to vent into the secondary bag. Optionally, the protection airbag and the auxiliary airbag are both made of high-strength nylon materials.

In addition, the protection device inflates air through the inflation device, and the inflation amount is adjusted according to the acquisition device or the data considered to be preset. Wherein the inflation amount of the protection airbag is controlled by the inflator. Through the mutual cooperation of the protection device and the inflation device, the detection device can perform adaptive adjustment according to different trainers in the detection process so as to realize different application scenes.

Optionally, the inflation device comprises an inflation mechanism and a release mechanism, and the inflation member is used for inflating the protection airbag; the release mechanism is arranged on the auxiliary bag and is used for discharging gas in the auxiliary bag; the inflation mechanism comprises an inflator pump, a trigger and a detection piece, and the detection piece is arranged in the protective air bag and feeds a current air pressure value back to the processor; the trigger receives the data of the detection piece and the control instruction of the processor and triggers the ventilation valve in the ventilation channel; the inflator pump is used for inflating the protection airbag; the release mechanism comprises a release channel and a locking valve, the locking valve is arranged in the release channel, and based on a release instruction sent by the processor, the locking valve is unlocked, so that the gas in the auxiliary bag can be released; the release channel is arranged on the inner wall of the auxiliary bag and penetrates through the inner wall of the auxiliary bag, so that a release passage is formed when the release channel is released. When the locking valve is under the control instruction of the processor, the protection air bag and the secondary bag can be communicated, so that the gas in the protection air bag can fall on the protection air bag when the trainer has an accident or finishes the action, the gas in the protection air bag can pass through the release passage to enter the secondary bag, the time that the trainer directly contacts with the ground is delayed, and the safety of the trainer is guaranteed to the maximum extent.

Optionally, the lifting device includes a supporting mechanism and an auxiliary mechanism, the supporting mechanism is used for supporting the auxiliary mechanism, and the auxiliary mechanism is used for delaying the acting force of the trainer in the process of the trainer falling to the ground;

the supporting mechanism comprises a supporting frame, a plurality of extension rods and extension detection pieces, and the supporting frame is provided with a hollow cavity; each extension bar is arranged on the edge of the inner wall of the cavity of the support piece and extends out towards the symmetrical center of the cavity of the support frame; each detection piece is used for detecting the extending length of each extending rod; the supporting mechanism is used for supporting the auxiliary mechanism and is matched with the auxiliary mechanism to support the trainer in an auxiliary mode, so that when the trainer falls on the auxiliary mechanism, the training intensity of the trainer can be relieved, and the trainer is effectively protected. In addition, the supporting mechanism adjusts the position of the auxiliary mechanism, so that the auxiliary mechanism can adjust different positions according to the weight of the trainer, and the requirements of trainers with different weights are met. Each extension bar corresponds to one extension detection piece respectively, so that each extension bar can perform synchronous action when stretching out and drawing back, and in this embodiment, the extension bars on the same side need to perform synchronous action when acting, so that the position of the auxiliary mechanism can be adjusted.

The auxiliary mechanism comprises a supporting rod, a connecting piece, elastic mesh cloth and a plurality of hanging lugs arranged on the supporting rod, wherein each hanging lug is arranged on the supporting piece and is arranged at equal intervals along the length direction of the supporting rod, a connecting hole is formed in the edge of the elastic mesh cloth, and the connecting hole is connected with the hanging lug through the connecting piece; one side of the support rod, which is far away from the hanging lug, is connected with each extension rod so as to realize the adjustment of the connecting rod at different positions; the elastic mesh cloth is used for contacting the trainer so as to protect the trainer. The connecting piece connects each hangers with each connecting hole to realize that the elastic mesh cloth can be fixed on the supporting rod, so that the extension rod can be drawn, and the trainer can obtain the best protection effect when contacting with the elastic mesh cloth to the maximum extent.

The elastic net cloth can be adjusted to different tightening degrees through adjustment of the extension rod, so that adaptability adjustment of different trainers can be realized. When the weight of the trainer is larger, the extension rod can retract, the support rod can stretch the elastic mesh cloth, and the elastic mesh cloth is in a tight state, so that the trainer can be protected optimally. In addition, the protective air bag is arranged right below the elastic mesh cloth, and the distance between the elastic mesh cloth and the protective air bag is also adjusted adaptively according to the weight of the trainer, so that the protection of the trainer is ensured. At the same time, the protective airbag is also determined at best according to the weight of the trainer. The determined value can be preset manually or the weight of the trainer can be determined according to the acquired data of the acquisition probe.

Elastic mesh cloth is provided with the chamber of depositing that supplies body-building equipment, it is right to deposit the chamber be used for the support column of gymnastics equipment holds, through setting up like this after, elastic mesh cloth can be right the training person protects.

Optionally, the adjusting device is disposed on a side of the lifting device close to the ground to isolate a distance between the lifting device and the ground, and adjust the lifting height; the adjusting device comprises an adjusting mechanism and a clamping mechanism, and the adjusting mechanism is used for adjusting the height of the supporting mechanism; the clamping mechanism clamps the position of the adjusting mechanism on the support frame to realize the adjustment of different heights. The adjusting mechanism is matched with the clamping mechanism, so that the height of the protection of the trainer is adjusted by the lifting device, and the trainer can obtain the best protection. Clamping mechanism sets up support piece is close to one side on ground, just guiding mechanism with the support frame forms the triangular supports to realize stable supporting effect.

Optionally, the adjusting mechanism includes an adjusting leg and a movable rod, one end of the movable rod is hinged to the lower edge of the support frame, and the other end of the movable rod is hinged to the rod body of the adjusting leg; in addition, the adjusting mechanism comprises an adjusting detection piece and an adjusting driving mechanism, and the adjusting driving mechanism is movably connected with the movable rod so that the movable rod extends or retracts; the adjustment detection piece is used for detecting the extending length of the movable rod so as to obtain the extending length of the movable rod. A closed loop is formed among the movable rod, the processor, the adjustment detection piece and the adjustment driving mechanism, so that the height of the auxiliary mechanism is adjusted. Simultaneously, the clamping mechanism drives the adjusting leg to adjust the position, so that the height of the lifting device can be adjusted according to different positions of the clamping mechanism when the adjusting leg adjusts the height. The movable rod is arranged to be telescopic and is in driving connection with the adjusting driving mechanism.

Optionally, the clamping mechanism comprises a clamping track, a clamping plate and a locking member, the clamping track is arranged on one side of the support frame close to the ground, and the clamping plate is in sliding clamping connection with the clamping track and is locked on the clamping track through the locking member; the clamping rail is provided with a plurality of clamping cavities, and the clamping cavities are distributed at equal intervals along the direction of the clamping rail; the locking component is clamped in the clamping cavity when being locked; in addition, the joint track is provided with a set of locking track, and is a set of locking track symmetry sets up orbital both sides wall of joint, for the supply the locking member can remove, and with the joint track syntropy, in addition, the locking member sets up the both sides of joint board are used for the joint track carries out the joint. The joint seat is in when sliding on the joint track, can be to following the joint seat is in slide on the joint track.

The joint track is equipped with a plurality of scale mark, and each joint cavity with the scale mark corresponds the setting, makes whole institute the adjustment leg can carry out accurate adjustment.

The locking member comprises a locking piece, a telescopic rod, a telescopic driving mechanism and a control panel, one end of the locking rod is connected with the locking piece, and the other end of the telescopic rod is connected with the telescopic driving mechanism; the locking piece is adjusted to the gesture with the orientation syntropy of joint cavity by the horizontality under telescopic drive mechanism's drive to realize the locking. The telescopic link sets up to retractable, just realize under telescopic actuating mechanism's the drive carry out the joint on the joint track. In addition, in the locking process, the clamping protrusion arranged on the locking piece is in limited clamping with the clamping cavity, so that the clamping plate can be locked on the clamping rail to limit the movement of the adjusting leg.

When the telescopic rod is driven by the telescopic driving mechanism to extend, the clamping protrusion of the locking piece can release the limiting and locking of the clamping cavity, so that the clamping plate can slide along the clamping track; when flexible actuating mechanism drive when the telescopic link retracts, the joint arch on the locking piece can with the joint cavity aligns, and the realization is right the locking of joint board.

Each the joint cavity symmetry sets up orbital both sides of joint, make the locking piece is under the flexible operation of telescopic link, and the realization is right the locking piece can lock in the joint cavity.

In addition, the telescopic driving mechanism can control the driving time of the telescopic rod according to the control panel so as to realize accurate control of the control time. In the process of locking, through manual stirring the adjustment leg is in adjust orbital suitable position, and pass through control panel triggers right stretching out or retracting of telescopic link to the realization is to the operation of unblock, locking, thereby the realization is right the accurate joint of adjustment leg is with the high needs of adaptation difference.

The adjusting legs are of U-shaped structures, and U-shaped openings of the adjusting legs are hinged to the clamping and connecting plates of the clamping and connecting mechanisms; the adjusting leg with the position that ground carries out the contact sets up anti-skidding callus on the sole, anti-skidding callus on the sole nestification the adjusting leg with on the contact position on ground, so that the adjusting leg can be stable right elevating gear supports. And a triangular supporting structure is formed among the adjusting legs, the movable rod and the clamping mechanism. In this embodiment, the adjusting mechanisms are symmetrically disposed at two ends of the auxiliary mechanism, and stably support the auxiliary mechanism. The adjusting legs are hinged with the movable rods, and the movable rods are telescopic, so that the height of the supporting frame can be adjusted.

Orbital track orientation of joint with the length direction of the elasticity screen cloth or width direction's orientation is parallel, makes guiding mechanism with clamping mechanism slide in orbital direction of joint to the realization is adjusted the height. The joint board with joint track sliding connection to make through manual stirring the joint class along the orbital direction of joint slides. In addition, the clamping plate is hinged to the U-shaped opening of the adjusting leg and the clamping plate, and the adjusting leg is shifted through fingers, so that the whole adjusting leg slides along the direction of the adjusting track under the driving of the clamping plate.

Example two: this embodiment should be understood to contain at least all the features of any of the embodiments described above and to be further developed on the basis thereof, and according to fig. 1-13, also in that the protection device further comprises a displacement device arranged on the side of the adjustment leg near the ground, so that the adjustment leg and the various parts supported by the adjustment leg can be displaced easily. The mobile device can also be conveniently moved, and the moving efficiency is improved. The mobile device comprises a plurality of mobile wheels, extension rods and extension driving mechanisms, each mobile wheel corresponds to one extension rod, one end of each extension rod is connected with the mobile wheels, and the other end of each extension rod is in driving connection with the extension driving mechanism, so that the mobile wheels can extend out through the extension rods when needing to move, and therefore the mobile wheels can be contacted with the ground to achieve more convenient movement. When the extension rod needs to move, the extension rod is driven by the extension driving mechanism to enable the adjusting leg to be separated from the ground from a state of being in contact with the ground, and then the extension rod can be quickly moved by pushing the whole auxiliary mechanism.

In addition, the data of the trainer collected by the collecting device can be evaluated according to the collected data, the action sequence of the trainer in one period is obtained and evaluated according to the action sequence,

the acquisition device comprises an analysis unit, wherein the analysis unit is used for analyzing the action sequence so as to determine the change of the action sequence;

acquiring continuous action segments in a period from the action sequence of the trainer in the acquisition probe to generate an action matrix ACT:

wherein m is the number of sampling points, n is the number of monitoring action segments, a_ijIn this embodiment, in order to reduce the amount of calculation, a sampling point may be first performed, and then an extraction of an action may be performed to obtain a matrix;

the identification data of the acquisition probe is compared with the gymnastics actions in the database to find out similar identification data, and the specific comparison mode comprises the following steps:

arranging each transverse number of the matrix into a sequence { a }_ixComparing with the monitoring fragment corresponding to the action sequence data in the database to find out the optimal comparison point T_i(ii) a By T_iIntercepting a part with the same duration as the gymnastics action fragment in the database for a starting point to obtain a contrast matrix Ri, traversing i from 1 to n once to obtain n contrast matrices in total; calculating the coincidence degree unmotion of each contrast matrix and the matrix ACT; selecting a contrast matrix with the minimum contact ratio, and if the contact ratio is smaller than a threshold value, taking the corresponding identification data as candidate identification data;

in the implementation bodyWhen in operation, a standard action matrix { b ] is preset according to the set gymnastic action_xWherein the standard action matrix { b }_xThe sequence of the gymnastics actions to be performed by the trainer is included, and the action sequences are arranged in sequence according to a set sequence. Meanwhile, the action matrix ACT and the standard action matrix { b) acquired by the acquisition probe_xComparing, acquiring the action of a trainer, monitoring to identify the early warning degree of the action of the trainer, triggering the traction of the protection device and the inflation operation of the inflation device, and promoting the timely protection of the trainer; when the contact ratio of the actions is low or the actions are separated from the gymnastic equipment, the highest early warning state is entered, and if the early warning state is the highest level, the traction of the elastic mesh cloth of the protection device and the inflation operation of the protection airbag of the inflation device are triggered

In addition, the method for searching the optimal control point comprises the following steps: initializing a pointer k, assigning a value of 1, and when the pointer is 1, monitoring the action sequences of the monitoring segments one by one in the selected segments to identify whether the continuous changes of the action sequences in an identification period T are the same, namely: whether the gymnastics action data in the database is the same as the fragments collected by the collecting probe or not; the first data a of the transverse sequence is processed_i1Align with the f-th motion data of the gymnastics motion data in the database; acquisition and lateral array { a }_ixThe corresponding recognition action number sequence { b }_xIf the last data a of the transverse sequence is_1mIf the corresponding identification motion data can not be found, determining that the closest identification motion data is set as motion synchronization degree;

calculating the synchronization degree of the identification action sequence and the horizontal sequence:

accumulating the pointer k by 1, and aligning the other data of the traverse transverse sequence with the f-th action data of the gymnastics action data in the database in a circulating mode;

selecting the closest motion synchronization degree similarity identified by the motion detection component, and taking the corresponding f value as the optimal comparison point;

wherein, the calculation formula of the contact ratio unmotion is as follows:

wherein m is the number of sampling points, and n is the number of monitoring segments; c. C_jiRepresenting elements in a contrast matrix; g is the length of the continuous action recognized by the action detection component in one recognition cycle; in particular, when the contrast matrix obtained by the motion detection means is identical to the matrix ACT, the value of the degree of coincidence unmotion is 0; and selecting the identification data with the coincidence degree closest to 0 from the candidate identification data as similar identification data, sending the data of the similar identification data and the action segment to a processor for further analysis, and directly abandoning the action segment if no candidate identification action data exists.

Intercepting an analysis segment from the identification data of the motion detection means, wherein the starting time of the analysis segment is the best comparison point of the similar identification data and the motion segment, the ending time of the analysis segment is the time point corresponding to the time point when the motion of the last motion sequence of the trainer is triggered, the time interval is a recognition period, the time interval can be obtained by a timer, and the motion detection means calculates the variation Amplitude of each monitoring segment in one recognition period in the analysis segment:

wherein D is_iTo monitor the frequency of the segments in the acquisition cycle in contact with the gymnastic apparatus, D₀To monitor the value of the fragment at the optimal control point; when the change frequency exceeds 10%, the corresponding monitoring segment is selected as a key monitoring segment; the identification data analysis module also divides the rest of the monitoring segmentsThe positive correlation terms and the negative correlation terms are divided according to the coincidence degree of the numerical values of the monitoring segments in the identification data sequences of the similar actions, wherein the coincidence degree is more than or equal to 75 percent and is the positive correlation terms, and the coincidence degree is less than or equal to 10 percent and is the negative correlation terms.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.

Although the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. That is, the methods, systems, and devices discussed above are examples. Various configurations may omit, substitute, or add various procedures or components as appropriate. For example, in alternative configurations, the methods may be performed in an order different than that described, and/or various components may be added, omitted, and/or combined. Moreover, features described with respect to certain configurations may be combined in various other configurations, as different aspects and elements of the configurations may be combined in a similar manner. Further, elements therein may be updated as technology evolves, i.e., many elements are examples and do not limit the scope of the disclosure or claims.

Specific details are given in the description to provide a thorough understanding of the exemplary configurations including implementations. However, configurations may be practiced without these specific details, for example, well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary detail in order to avoid obscuring the configurations. This description provides example configurations only, and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the spirit or scope of the disclosure.

In conclusion, it is intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that these examples are illustrative only and are not intended to limit the scope of the invention. After reading the description of the invention, the skilled person can make various changes or modifications to the invention, and these equivalent changes and modifications also fall into the scope of the invention defined by the claims.