阅读说明：本技术 高空撞击事故避让系统 (High-altitude collision accident avoidance system ) 是由 不公告发明人 于 2020-11-12 设计创作，主要内容包括：本发明涉及一种高空撞击事故避让系统,所述系统包括：高度计量机构,用于测量并输出高空飞行人员的当前高度；数据分析设备,用于在接收到的当前高度大于等于预设高度阈值时,发出捕获启动指令；数据比较机构,用于比较每一个伞体目标在接收到的内容增强图像中占据的面积百分比,并将面积百分比最大的伞体目标的景深值作为代表性景深值；避让提醒设备,用于在接收到的代表性景深值浅于预设景深阈值时,执行相应的避让提醒操作。本发明的高空撞击事故避让系统结构简单、方便实用。由于能够在高空飞行人员附近存在相隔距离较近的降落伞时通知高空飞行人员以便于采取紧急应对措施,从而避免了高空撞击事故的发生。(The invention relates to a high-altitude collision accident avoidance system, which comprises: the height metering mechanism is used for measuring and outputting the current height of the high-altitude flight personnel; the data analysis equipment is used for sending a capture starting instruction when the received current height is greater than or equal to a preset height threshold; the data comparison mechanism is used for comparing the area percentage occupied by each umbrella body target in the received content enhanced image and taking the depth of field value of the umbrella body target with the largest area percentage as a representative depth of field value; and the avoidance reminding device is used for executing corresponding avoidance reminding operation when the received representative depth of field value is shallower than the preset depth of field threshold value. The high-altitude collision accident avoidance system is simple in structure, convenient and practical. The high-altitude flight personnel can be informed to take emergency countermeasures when parachutes which are close to each other are arranged near the high-altitude flight personnel, so that the high-altitude collision accident is avoided.)

1. A high altitude impact accident avoidance system, the system comprising:

the height metering mechanism is worn on the body of the high-altitude flight personnel and is used for measuring and outputting the current height of the high-altitude flight personnel;

the data analysis equipment is connected with the height metering mechanism and used for sending a capture starting instruction when the received current height is greater than or equal to a preset height threshold;

the composite camera shooting mechanism comprises a plurality of cameras distributed at all parts of the whole body of the high-altitude flight personnel, is connected with the data analysis equipment, and is used for executing image capturing actions on the front of all parts of the whole body of the high-altitude flight personnel when receiving a capturing starting instruction so as to obtain a plurality of different view angle captured images;

the signal combination equipment is connected with the compound camera shooting mechanism and used for carrying out image signal combination on the received multiple sub-view captured images with different views so as to obtain an instant combined image;

the contrast enhancement mechanism is connected with the signal combination equipment and is used for executing contrast enhancement processing on the received instant combination image so as to obtain a content enhanced image;

the parachute body identification device is connected with the contrast enhancement mechanism and used for identifying more than one parachute body target in the content enhanced image based on the outline of the parachute and acquiring the depth of field value of each parachute body target;

the data comparison mechanism is connected with the umbrella body recognition device and used for comparing the area percentage occupied by each umbrella body target in the content enhanced image and outputting the depth value of the umbrella body target with the largest occupied area percentage as a representative depth value;

the avoidance reminding device is connected with the data comparison mechanism and is used for executing corresponding avoidance reminding operation when the received representative depth of field value is shallower than a preset depth of field threshold value;

the avoidance reminding device, the data comparison mechanism and the umbrella body identification device are respectively realized by ASIC chips with different models.

2. The high altitude impact accident avoidance system according to claim 1, wherein:

identifying one or more umbrella body targets in the content-enhanced image based on the contour of the parachute comprises: and taking the image area with the similarity degree exceeding the outline of the parachute in the content enhanced image as the imaging area of the parachute body target.

3. The high altitude impact accident avoidance system according to claim 2, wherein:

the avoidance reminding device is further used for stopping executing the corresponding avoidance reminding operation when the received representative depth of field value is not shallower than the preset depth of field threshold value.

4. The high altitude impact accident avoidance system according to claim 3, wherein:

when the received representative depth of field value is shallower than the preset depth of field threshold value, executing corresponding avoidance reminding operation comprises the following steps: when the received representative depth of field value is shallower than the preset depth of field threshold value, executing the real-time playing operation of the corresponding voice avoidance reminding file;

or, when the received representative depth of field value is shallower than the preset depth of field threshold value, executing a corresponding avoidance reminding operation includes: and when the received representative depth of field value is shallower than the preset depth of field threshold value, executing corresponding acousto-optic reminding operation.

5. The high altitude impact accident avoidance system according to claim 4, wherein:

the avoidance reminding device comprises a micro-control unit, an acousto-optic alarm unit and a voice alarm unit, wherein the micro-control unit is respectively connected with the acousto-optic alarm unit and the voice alarm unit.

6. The high altitude impact accident avoidance system according to claim 5, wherein:

the data analysis equipment is further used for sending out a capture stopping instruction when the received current height is smaller than the preset height threshold value.

7. The high altitude impact accident avoidance system of claim 6, wherein the system further comprises:

the air pushing mechanism is worn by high-altitude flight personnel, connected with the avoidance reminding device and used for executing corresponding air pushing operation to complete high-altitude avoidance when the representative depth of field value received by the avoidance reminding device is shallower than a preset depth of field threshold value.

8. The high altitude impact accident avoidance system of claim 7, wherein the system further comprises:

the lithium battery is arranged in an electric box worn by the high-altitude flight personnel and is respectively connected with the umbrella body identification device, the contrast enhancement mechanism and the signal combination device;

the connection of the umbrella body identification device, the contrast enhancement mechanism and the signal combination device is realized by adopting different CPLD chips respectively.

9. The high altitude impact accident avoidance system of claim 8, wherein the system further comprises:

and the voltage conversion mechanism is arranged in an electric box worn by the high-altitude flight personnel, is connected with the lithium battery and is used for respectively providing required power supply voltage for the connection of the umbrella body identification equipment, the contrast enhancement mechanism and the signal combination equipment.

Technical Field

The invention relates to the field of high-altitude monitoring, in particular to a high-altitude collision accident avoidance system.

Background

High altitude, generally refers to a space above 850 mbar, higher from the ground, of an isobaric surface. The high-altitude operation is an operation performed at a height of 2m or more (including 2m) from the falling height reference surface.

The high-altitude operation in the building construction mainly comprises five basic types of edge facing, opening, climbing, suspending, crossing and the like, and the high-altitude operation of the types is a main place where casualty accidents of the high-altitude operation can occur. In order to facilitate the precaution work in the operation process and effectively prevent accidents of falling of people and objects from high places, according to the characteristics of the building industry, in the construction of building installation engineering, the construction operations of various forms of openings and adjacent edge properties within the structural range of buildings and structures, suspension and climbing operations, operation platform and three-dimensional crossing operations, and the construction operations of various types of holes, pits, ditches, grooves and other engineering outside the structural body and beside a channel are treated as high place operations and protected as long as the conditions are met.

High-altitude projects in entertainment are various, mainly including parachuting, roller coaster, extreme flying and the like, and the safety of the high-altitude projects is particularly concerned.

In the prior art, high-altitude parachuting personnel usually pack and parachute, on one hand, the parachuting personnel can mutually rescue the parachute when abnormal conditions occur, and on the other hand, the visual effect of the parachute is improved. However, when a parachute which is too close to a high-altitude parachuting person exists near the high-altitude parachuting person instead of a human target which is not opened, an accident of rolling in the parachute is easily caused, and potential safety hazards are caused to the person or the nearby parachuting person.

Disclosure of Invention

In order to solve the technical problems in the prior art, the invention provides a high-altitude collision accident avoidance system which can inform high-altitude flight personnel to take emergency countermeasures when parachutes which are close to each other in distance exist near the high-altitude flight personnel, so that high-altitude collision accidents are avoided.

For this reason, the present invention needs to have at least the following important points:

(1) when a near parachute target is detected near a high-altitude flight crew, related alarm operation of emergency avoidance is triggered in time, so that high-altitude collision accidents are avoided;

(2) when the high-altitude flight personnel reach the preset altitude threshold value, the image acquisition action around the high-altitude flight personnel is triggered, so that the excessive power expenditure is reduced.

According to an aspect of the present invention, there is provided a high altitude impact accident avoidance system, the system comprising:

the height metering mechanism is worn on the body of the high-altitude flight personnel and is used for measuring and outputting the current height of the high-altitude flight personnel;

the data analysis equipment is connected with the height metering mechanism and used for sending a capture starting instruction when the received current height is greater than or equal to a preset height threshold;

the composite camera shooting mechanism comprises a plurality of cameras distributed at all parts of the whole body of the high-altitude flight personnel, is connected with the data analysis equipment, and is used for executing image capturing actions on the front of all parts of the whole body of the high-altitude flight personnel when receiving a capturing starting instruction so as to obtain a plurality of different view angle captured images;

the signal combination equipment is connected with the compound camera shooting mechanism and used for carrying out image signal combination on the received multiple sub-view captured images with different views so as to obtain an instant combined image;

the contrast enhancement mechanism is connected with the signal combination equipment and is used for executing contrast enhancement processing on the received instant combination image so as to obtain a content enhanced image;

the parachute body identification device is connected with the contrast enhancement mechanism and used for identifying more than one parachute body target in the content enhanced image based on the outline of the parachute and acquiring the depth of field value of each parachute body target;

the data comparison mechanism is connected with the umbrella body recognition device and used for comparing the area percentage occupied by each umbrella body target in the content enhanced image and outputting the depth value of the umbrella body target with the largest occupied area percentage as a representative depth value;

the avoidance reminding device is connected with the data comparison mechanism and is used for executing corresponding avoidance reminding operation when the received representative depth of field value is shallower than a preset depth of field threshold value;

the avoidance reminding device, the data comparison mechanism and the umbrella body identification device are respectively realized by ASIC chips with different models.

The high-altitude collision accident avoidance system is simple in structure, convenient and practical. The high-altitude flight personnel can be informed to take emergency countermeasures when parachutes which are close to each other are arranged near the high-altitude flight personnel, so that the high-altitude collision accident is avoided.

Drawings

Embodiments of the invention will now be described with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural view illustrating a parachute used in a high-altitude collision accident avoidance system according to an embodiment of the present invention.

Detailed Description

Embodiments of the high altitude impact accident avoidance system of the present invention will be described in detail below with reference to the accompanying drawings.

The parachute is a deployable aerodynamic speed reducer which is inflated and deployed relative to the air movement by utilizing the principle of air resistance. Modern parachutes are aerial vehicles that safely descend persons or things from the air to the ground. Mainly made of flexible fabric. The air-drop flight training device is equipment for air-drop soldier combat and training, lifesaving and training of aerospace personnel, training, competition and performance of parachutists, air-drop supplies and aircraft recovery.

The main components of the parachute include a canopy, a guide parachute, a parachute cord, a harness system, a parachute opening component, a parachute bag and the like. It is made of parachute silk (made of silk, cotton cloth and nylon fabric), parachute rope, parachute belt, parachute line and other textile materials, partial metal parts and rubber plastic parts. The umbrella rope is a hollow or cored braided rope, and is required to be compact in structure, high in strength, soft, good in elasticity and small in non-uniform elongation. The canopy is used as a canopy reinforcement and harness system. The umbrella rope is a framework of the umbrella coat, and is required to have the properties of lightness, thinness, softness, high strength, higher elastic modulus, elongation at break smaller than that of umbrella coat fabric and the like. The umbrella belt is a thick belt with double-layer or three-layer fabrics, and is required to have high strength and breaking work. The umbrella thread is a connecting material for sewing various parts of parachute silk, belts and ropes, and has the requirements of high strength, good lubrication and uniform and stable twist.

In the prior art, high-altitude parachuting personnel usually pack and parachute, on one hand, the parachuting personnel can mutually rescue the parachute when abnormal conditions occur, and on the other hand, the visual effect of the parachute is improved. However, when a parachute which is too close to a high-altitude parachuting person exists near the high-altitude parachuting person instead of a human target which is not opened, an accident of rolling in the parachute is easily caused, and potential safety hazards are caused to the person or the nearby parachuting person.

In order to overcome the defects, the invention builds a high-altitude collision accident avoidance system, and can effectively solve the corresponding technical problem.

Fig. 1 is a schematic structural view illustrating a parachute used in a high-altitude collision accident avoidance system according to an embodiment of the present invention.

As shown in fig. 1, the parachute comprises a parachute body 1, a harness 2 and a receiving device 3;

the high-altitude collision accident avoidance system shown according to the embodiment of the invention comprises:

the height metering mechanism is worn on the body of the high-altitude flight personnel and is used for measuring and outputting the current height of the high-altitude flight personnel;

the data analysis equipment is connected with the height metering mechanism and used for sending a capture starting instruction when the received current height is greater than or equal to a preset height threshold;

the composite camera shooting mechanism comprises a plurality of cameras distributed at all parts of the whole body of the high-altitude flight personnel, is connected with the data analysis equipment, and is used for executing image capturing actions on the front of all parts of the whole body of the high-altitude flight personnel when receiving a capturing starting instruction so as to obtain a plurality of different view angle captured images;

the signal combination equipment is connected with the compound camera shooting mechanism and used for carrying out image signal combination on the received multiple sub-view captured images with different views so as to obtain an instant combined image;

the contrast enhancement mechanism is connected with the signal combination equipment and is used for executing contrast enhancement processing on the received instant combination image so as to obtain a content enhanced image;

the parachute body identification device is connected with the contrast enhancement mechanism and used for identifying more than one parachute body target in the content enhanced image based on the outline of the parachute and acquiring the depth of field value of each parachute body target;

the data comparison mechanism is connected with the umbrella body recognition device and used for comparing the area percentage occupied by each umbrella body target in the content enhanced image and outputting the depth value of the umbrella body target with the largest occupied area percentage as a representative depth value;

the avoidance reminding device is connected with the data comparison mechanism and is used for executing corresponding avoidance reminding operation when the received representative depth of field value is shallower than a preset depth of field threshold value;

the avoidance reminding device, the data comparison mechanism and the umbrella body identification device are respectively realized by ASIC chips with different models.

Next, a further explanation will be made on the specific structure of the high-altitude collision accident avoidance system of the present invention.

In the high-altitude collision accident avoidance system:

identifying one or more umbrella body targets in the content-enhanced image based on the contour of the parachute comprises: and taking the image area with the similarity degree exceeding the outline of the parachute in the content enhanced image as the imaging area of the parachute body target.

In the high-altitude collision accident avoidance system:

the avoidance reminding device is further used for stopping executing the corresponding avoidance reminding operation when the received representative depth of field value is not shallower than the preset depth of field threshold value.

In the high-altitude collision accident avoidance system:

when the received representative depth of field value is shallower than the preset depth of field threshold value, executing corresponding avoidance reminding operation comprises the following steps: when the received representative depth of field value is shallower than the preset depth of field threshold value, executing the real-time playing operation of the corresponding voice avoidance reminding file;

or, when the received representative depth of field value is shallower than the preset depth of field threshold value, executing a corresponding avoidance reminding operation includes: and when the received representative depth of field value is shallower than the preset depth of field threshold value, executing corresponding acousto-optic reminding operation.

In the high-altitude collision accident avoidance system:

the avoidance reminding device comprises a micro-control unit, an acousto-optic alarm unit and a voice alarm unit, wherein the micro-control unit is respectively connected with the acousto-optic alarm unit and the voice alarm unit.

In the high-altitude collision accident avoidance system:

the data analysis equipment is further used for sending out a capture stopping instruction when the received current height is smaller than the preset height threshold value.

The high-altitude collision accident avoidance system further comprises:

the air pushing mechanism is worn by high-altitude flight personnel, connected with the avoidance reminding device and used for executing corresponding air pushing operation to complete high-altitude avoidance when the representative depth of field value received by the avoidance reminding device is shallower than a preset depth of field threshold value.

The high-altitude collision accident avoidance system further comprises:

the lithium battery is arranged in an electric box worn by the high-altitude flight personnel and is respectively connected with the umbrella body identification device, the contrast enhancement mechanism and the signal combination device;

the connection of the umbrella body identification device, the contrast enhancement mechanism and the signal combination device is realized by adopting different CPLD chips respectively.

The high-altitude collision accident avoidance system further comprises:

and the voltage conversion mechanism is arranged in an electric box worn by the high-altitude flight personnel, is connected with the lithium battery and is used for respectively providing required power supply voltage for the connection of the umbrella body identification equipment, the contrast enhancement mechanism and the signal combination equipment.

In addition, in the high-altitude collision accident avoidance system, a complex Programmable Logic device (cpld) is a device developed from PAL and GAL devices, and is relatively large in scale and complex in structure, and belongs to the field of large-scale integrated circuits. The digital integrated circuit is a digital integrated circuit which is used by a user to construct logic functions according to respective needs. The basic design method is to generate corresponding target files by means of an integrated development software platform and methods such as schematic diagrams, hardware description languages and the like, and to transmit codes to a target chip through a download cable (programming in the system) so as to realize the designed digital system. CPLDs are mainly composed of programmable interconnected matrix cells surrounded by programmable logic Macro cells (MC, Macro cells). The MC structure is complex and has a complex I/O unit interconnection structure, and a user can generate a specific circuit structure according to the requirement to complete a certain function. Because the CPLD adopts metal wires with fixed length to interconnect each logic block, the designed logic circuit has time predictability, and the defect of incomplete time sequence prediction of a sectional type interconnection structure is avoided.

It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.

It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.

The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.