阅读说明：本技术 一种足球教学用射门防守训练装置及其训练方法 (Shooting defense training device for football teaching and training method thereof ) 是由 郭书胜 于 2020-12-30 设计创作，主要内容包括：本发明公开了一种足球教学用射门防守训练装置,包括身份识别模块、数据记录模块、数据读取模块、数据存储模块和中央处理器,所述身份识别模块使用打卡方式识别使用者信息,所述数据记录模块记录信息为使用者本次的训练防守信息；使用记名制度,通过记录训练者的训练信息,以对其薄弱点进行针对性训练,大幅度提高训练效果,利用四组伺服电机驱动的摩擦轮,将足球弹出,通过改变不同伺服电机功率,改变摩擦轮的转速,可改变足球的射门方式,而通过在轨道上移动发球机的位置,可改变足球的射门角度,通过改变发球机位置和改变,摩擦轮转速,可实现发射更多类型的射门球,以大幅度提高发球机的实用性。(The invention discloses a shooting defense training device for football teaching, which comprises an identity recognition module, a data recording module, a data reading module, a data storage module and a central processing unit, wherein the identity recognition module recognizes user information in a card punching mode, and the data recording module records information which is the training defense information of a user at this time; use the system of noting name, training information through the record training person, in order to carry out the pertinence training to its weak point, increase substantially the training effect, utilize four servo motor driven friction pulley of group, pop out the football, through changing different servo motor power, change the rotational speed of friction pulley, can change the shooting mode of football, and through the position of moving service robot on the track, can change the shooting angle of football, through changing service robot position and change, the friction pulley rotational speed, can realize launching more types of shooting ball, in order to increase substantially the practicality of service robot.)

1. The utility model provides a football teaching is with training device of defending oneself by shooting, includes identity identification module, data record module, data reading module, data storage module and central processing unit, its characterized in that: the identity recognition module recognizes user information in a card punching mode, the data recording module records information as the current training defense information of the user, the data reading module reads information as the last defense training information of the user, and the data storage module stores information as the information of multiple times of defense training;

the front end of the ball groove (1) is fixedly provided with a ball gate (2), a sensing belt (3) is fixedly arranged in the ball gate (2), a limiting rod (4) is fixedly arranged on the left side of the ball groove (1), a screw rod (5) is fixedly arranged on the right side of the limiting rod (4), a guide frame (6) is fixedly arranged at the top end of the screw rod (5), a ball frame (7) is fixedly arranged in the front of the guide frame (6), an arc-shaped track (8) is fixedly arranged in the front of the ball gate (2), a clamping groove (9) is formed in the front end of the arc-shaped track (8), a pitching machine (10) is movably arranged on the arc-shaped track (8), a ball bin (11) is fixedly arranged at the top end of the pitching machine (10), a supporting rod (12) is fixedly arranged in the ball bin (11), a lower ball opening (13) is formed in the bottom end of the ball bin (11), lower ball mouth (13) below fixed mounting have pipe (14), the bottom fixed mounting of service robot (10) has block end (15), logical groove (16) have been seted up in block end (15), the inside top position department fixed mounting of block end (15) has first motor (18), the bottom fixed mounting of first motor (18) has first transmission shaft (19), fixed mounting has first belt (17) on first transmission shaft (19), the right side fixed mounting of first transmission shaft (19) has first fixed axle (20), fixed mounting has second belt (22) on first transmission shaft (19), the bottom fixed mounting of first fixed axle (20) has first runner (21), the left side fixed mounting of first runner (21) has second runner (23), the top fixed mounting of second runner (23) has second fixed axle (24) the inside fixed mounting of service robot (10) has the protective housing(s), (the) the inside fixed mounting of service robot (10) 25) The utility model discloses a motor, the right side fixed mounting of protective housing (25) has servo motor (26), the inside fixed mounting of protective housing (25) has friction pulley (27), the right side fixed mounting of friction pulley (27) has second transmission shaft (28), fixed mounting has bearing (29) on second transmission shaft (28), the bottom fixed mounting of protective housing (25) has bottom plate (30), opening (31) have been seted up on bottom plate (30), the bottom fixed mounting of hob (5) has second motor (32), first motor (18), servo motor (26) and second motor (32) all with external power source electric connection.

2. The device as claimed in claim 1, wherein the device comprises: the protective housing (25) is provided with four groups altogether, and every protective housing (25) of group corresponds and is provided with a set of servo motor (26), corresponds in every protective housing (25) and is provided with a set of friction pulley (27), a set of second transmission shaft (28) and a set of bearing (29), connect through second transmission shaft (28) transmission between friction pulley (27) and servo motor (26).

3. The device as claimed in claim 1, wherein the device comprises: the first motors (18) are provided with two groups, the two groups of first motors (18) are respectively installed on the left side and the right side of the top end inside the clamping end (15), each group of first motors (18) is correspondingly provided with one group of first transmission shafts (19), the first transmission shafts (19) are in transmission connection with the second fixing shaft (24) through first belts (17), and the second fixing shaft (24) is in transmission connection with the first fixing shaft (20).

4. The device as claimed in claim 1, wherein the device comprises: the clamping grooves (9) are provided with two groups, the two groups of clamping grooves (9) are respectively arranged at the front end and the rear end of the arc-shaped rail (8), the through groove (16) and the arc-shaped rail (8) are connected through clamping, and the first rotating wheel (21) and the second rotating wheel (23) are respectively connected with the clamping grooves (9) in a clamping mode.

5. The device as claimed in claim 1, wherein the device comprises: a group of through holes are formed between the four protective cases (25), and the through holes are communicated with the lower ball opening (13) through a guide pipe (14).

6. The device as claimed in claim 1, wherein the device comprises: the bottom of the ball groove (1) inclines to the right side, the bottom of the screw rod (5) is located on the upper side of the bottom of the ball groove (1), and the second motor (32) is located below the ball groove (1).

7. The device as claimed in claim 1, wherein the device comprises: the data recording module can record the defense training information of the user, and then stores the training information into the data storage module.

8. The device as claimed in claim 1, wherein the device comprises: the data reading module can read the last training information of the trainer through the data storage module.

9. The device as claimed in claim 1, wherein the device comprises: the information stored by the data storage module is training information of a trainer for multiple times.

10. A training method of the training device for the teaching of soccer as claimed in claim 1, wherein the training method comprises the steps of:

the method comprises the following steps: the training personnel use the mode of punching the card, and the central processing unit reads the personnel information by using the device;

step two: the data reading module reads the last training information of the training personnel and carries out targeted training on weak spots of the training personnel, the central processing unit controls the pitching machine (10) to serve balls to train the personnel, the balls are popped out through the friction wheels (27) controlled by the four groups of servo motors (26), the pitching machine (10) is controlled to send shot balls of different types by controlling the rotating force of the different friction wheels (27), meanwhile, the shooting angle of the pitching machine (10) is adjusted through the action of the arc-shaped track (8), and the shooting ball type is further increased;

step three: after the training, this training data of training personnel is recorded to the data recording module, saves to the data storage module, and in training personnel played people's ball groove (1) with the ball simultaneously, the football slided to the right side, through mutually supporting of gag lever post (4) and hob (5), rises the football to guide frame (6) department, later slides in ball frame (7).

Technical Field

The invention belongs to the technical field of football training, particularly relates to a shoot defending training device for football teaching, and more particularly relates to a shoot defending training device for football teaching and a training method thereof.

Background

The football is a sports item which takes feet as main parts and controls and governs the ball, and two teams mutually attack and defend against each other on the same rectangular court according to a certain rule. The football sports has the characteristics of strong antagonism, variable tactics, more participators and the like.

Football shoot defending refers to the goal promptly, and the goal of football has special goalkeeper, goalkeeper is the last defence line of team, and make a goalkeeper and also need a large amount of training, but current training method to goalkeeper, often need personnel's cooperation just can go on, use the mode of artifical shoot to train the words, it is higher to the level requirement of shooting personnel, and the shot is great to personnel's physical demands, but current service robot is comparatively fast, the service route is unanimous, and the unable automatic change in service robot's position, still need personnel to change service robot shooting angle, it is comparatively limited to goalkeeper training effect, and the ball after the service robot launches, still need personnel's manual pickup, cause a large amount of inconveniences to the training.

Disclosure of Invention

The invention aims to provide a shoot defending training device for football teaching, which aims to solve the problems that the prior art proposes the goal defending of football shooting, namely directing to watch the goal, the goal keeper of the football is a special goal keeper, which is the last line of defense of the team, and a great deal of training is needed for a goal keeper to be well done, however, the existing training method for goalkeeper needs personnel cooperation, if training is carried out by using artificial shooting, the requirement on the level of the shooting personnel is high, the physical consumption of the shooting personnel is high, but the existing pitching machine is relatively rigid, the pitching paths are consistent, the position of the pitching machine cannot be automatically changed, the shooting angle of the pitching machine needs to be changed by the personnel, the training effect for goalkeepers is limited, and the balls shot by the pitching machine need to be manually picked up by personnel, so that a great deal of inconvenience is caused to the training.

In order to achieve the purpose, the invention adopts the technical scheme that:

a football teaching is with preventing guard training device of shooting and its training method, including identification module, data recording module, data reading module, data storage module and central processing unit, the said identification module uses the mode of punching the card to discern the user's information, the said data recording module record information for this training of user defends the guard information, the said information that data reading module reads is the last time defends the training information of user, the said data storage module storage information is the information of many times defending the training;

the front end of the ball groove is fixedly provided with a goal, an induction belt is fixedly arranged in the goal, the left side of the ball groove is fixedly provided with a limiting rod, the left side of the limiting rod is fixedly provided with a screw rod, the top end of the screw rod is fixedly provided with a guide frame, the front part of the guide frame is fixedly provided with a ball frame, the front part of the goal is fixedly provided with an arc-shaped track, the front end of the arc-shaped track is provided with a clamping groove, the arc-shaped track is movably provided with a service robot, the top end of the service robot is fixedly provided with a ball bin, the inside of the ball bin is fixedly provided with a support rod, the bottom end of the ball bin is provided with a lower ball opening, the lower ball opening is fixedly provided with a guide pipe, the bottom end of the service robot is fixedly provided with a clamping end, the clamping end is internally provided with a through groove, the inside upper position of the clamping end is fixedly provided with a first motor, and the bottom end of the first motor is fixedly provided with a first transmission shaft, a first belt is fixedly arranged on the first transmission shaft, a first fixed shaft is fixedly arranged at the right side of the first transmission shaft, a second belt is fixedly arranged on the first transmission shaft, a first rotating wheel is fixedly arranged at the bottom end of the first fixed shaft, a second rotating wheel is fixedly arranged on the left side of the first rotating wheel, a second fixed shaft is fixedly arranged at the top end of the second rotating wheel, a protective shell is fixedly arranged in the pitching machine, a servo motor is fixedly arranged on the right side of the protective shell, a friction wheel is fixedly arranged in the protective shell, a second transmission shaft is fixedly arranged on the right side of the friction wheel, a bearing is fixedly arranged on the second transmission shaft, the bottom fixed mounting of protective housing has the bottom plate, the opening has been seted up on the bottom plate, the bottom fixed mounting of hob has the second motor, first motor, servo motor and second motor all with external power source electric connection.

As a further scheme of the invention, the number of the protective housings is four, each protective housing is correspondingly provided with a group of servo motors, each protective housing is correspondingly provided with a group of friction wheels, a group of second transmission shafts and a group of bearings, and the friction wheels and the servo motors are in transmission connection through the second transmission shafts.

As a further scheme of the present invention, two sets of the first motors are provided, the first motors for practicing koto are respectively installed at the left and right sides of the top end inside the clamping end, each set of the first motors is correspondingly provided with a set of first transmission shafts, the first transmission shafts are in transmission connection with the second fixed shaft through a first belt, and the second fixed shaft is in transmission connection with the first fixed shaft.

As a further scheme of the invention, two groups of clamping grooves are arranged, the two groups of clamping grooves are respectively arranged at the front end and the rear end of the arc-shaped track, the through groove is connected with the arc-shaped track through clamping, and the first rotating wheel and the second rotating wheel are respectively connected with the group of clamping grooves in a clamping manner.

As a further scheme of the invention, a group of through holes are arranged among the four groups of protective shells, and the through holes are communicated with the lower ball opening through a conduit.

As a further aspect of the present invention, the bottom end of the ball groove is inclined to the right side, the bottom end of the screw rod is located at an upper side of the bottom end of the ball groove, and the second motor is located below the ball groove.

As a further aspect of the present invention, the data recording module may record the defense training information of the user, and then store the training information in the data storage module.

As a further aspect of the present invention, the data reading module reads the last training information of the trainer through the data storage module.

As a further scheme of the invention, the information stored by the data storage module is the information of multiple times of training of the trainer.

A training method of a shoot defending training device for football teaching specifically comprises the following steps:

the method comprises the following steps: the training personnel use the mode of punching the card, and the central processing unit reads the personnel information by using the device;

step two: the data reading module reads the last training information of the training personnel and carries out targeted training on weak points of the training personnel, the central processing unit controls the pitching machine to serve balls to train the personnel, the balls are popped out through the four groups of friction wheels controlled by the servo motors, the pitching machine is controlled to send different types of shot balls by controlling the rotating force of the different friction wheels, meanwhile, the shooting angle of the pitching machine is adjusted through the action of the arc-shaped track, and the types of the shot balls are further increased;

step three: after the training, this training data of training personnel is recorded to the data recording module, saves to the data storage module, and during training personnel played people's ball groove with the ball simultaneously, the football slided to the right side, through mutually supporting of gag lever post and hob, raised the football to guide frame department, later slided in the ball frame.

Compared with the prior art, the invention has the following beneficial effects:

1. utilize four servo motor driven friction pulley of group, pop out the football, through changing different servo motor power, change the rotational speed of friction pulley, can change the shooting mode of football, and through the position of moving service robot on the track, can change the shooting angle of football, through changing service robot position and changing the friction pulley rotational speed, can realize launching more types of shooting ball to increase substantially the practicality of service robot.

2. This device only needs training personnel alone to accomplish the training, need not personnel and cooperate the shooting training in addition again, reduce human cost, at goal rear portion, be provided with the ball groove, the shooting ball is caught by training personnel, personnel can drop into the ball inslot with the ball, the ball that does not catch also can fall into the ball inslot, later the football can slide to hob department, through mutually supporting of hob and gag lever post, can rise the football, later fall into the ball frame through the guide frame, realize the function of automatic receipts ball, in order to make things convenient for personnel to go up the ball once more, train.

3. By using a name system, training information of a trainer is recorded, the type of a shot gate ball of which the defense fails is recorded, the position of a pitching machine and the rotating speed of each friction wheel when the shot gate ball is shot are recorded, and when the trainer trains next time, weak items are trained in a targeted manner, so that the training effect is greatly improved.

Drawings

FIG. 1 is a schematic view of the external structure of the present invention;

FIG. 2 is a schematic structural view of a pitching machine according to the present invention;

FIG. 3 is a schematic view of a clamping end structure according to the present invention;

FIG. 4 is a schematic view of the internal structure of the pitching machine according to the present invention;

FIG. 5 is a schematic view of the internal structure of the protective case of the present invention;

FIG. 6 is a schematic view of a screw according to the present invention;

FIG. 7 is a schematic view of the flow structure of the present invention.

In the figure: 1-ball groove, 2-goal, 3-induction belt, 4-limiting rod, 5-screw rod, 6-guide frame, 7-ball frame, 8-arc rail, 9-clamping groove, 10-pitching machine, 11-ball bin, 12-support rod, 13-ball outlet, 14-guide pipe, 15-clamping end and 16-through groove, 17-a first belt, 18-a first motor, 19-a first transmission shaft, 20-a first fixed shaft, 21-a first rotating wheel, 22-a second belt, 23-a second rotating wheel, 24-a second fixed shaft, 25-a protective shell, 26-a servo motor, 27-a friction wheel, 28-a second transmission shaft, 29-a bearing, 30-a bottom plate, 31-an opening and 32-a second motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 7, the present invention provides a goal shooting defense training apparatus for football teaching, including an identity recognition module, a data recording module, a data reading module, a data storage module and a central processing unit, wherein the identity recognition module recognizes user information in a card punching manner, the data recording module records information as the training defense information of the user at this time, the data reading module reads information as the last defense training information of the user, and the data storage module stores information as information of a plurality of times of defense training;

a goal 2 is fixedly installed at the front end of the ball groove 1, an induction belt 3 is fixedly installed in the goal 2, a limiting rod 4 is fixedly installed at the left side of the ball groove 1, a screw rod 5 is fixedly installed at the left side of the limiting rod 4, a guide frame 6 is fixedly installed at the top end of the screw rod 5, a ball frame 7 is fixedly installed in front of the guide frame 6, an arc-shaped track 8 is fixedly installed in front of the goal 2, a clamping groove 9 is formed at the front end of the arc-shaped track 8, a pitching machine 10 is movably installed on the arc-shaped track 8, a ball cabin 11 is fixedly installed at the top end of the pitching machine 10, a support rod 12 is fixedly installed inside the ball cabin 11, a lower ball opening 13 is formed at the bottom end of the ball cabin 11, a guide pipe 14 is fixedly installed below the lower ball opening 13, a clamping end 15 is fixedly installed at the bottom end of the pitching machine 10, a through groove 16 is formed in the clamping end 15, a first motor 18 is fixedly installed at a position above the inside of the clamping end 15, a first transmission shaft 19 is fixedly installed at the bottom end of the first motor 18, a first belt 17 is fixedly installed on the first transmission shaft 19, a first fixed shaft 20 is fixedly installed on the right side of the first transmission shaft 19, a second belt 22 is fixedly installed on the first transmission shaft 19, a first rotating wheel 21 is fixedly installed at the bottom end of the first fixed shaft 20, a second rotating wheel 23 is fixedly installed on the left side of the first rotating wheel 21, a protective shell 25 is fixedly installed inside a pitching machine 10 with a second fixed shaft 24 at the top end of the second rotating wheel 23, a servo motor 26 is fixedly installed on the right side of the protective shell 25, a friction wheel 27 is fixedly installed inside the protective shell 25, a second transmission shaft 28 is fixedly installed on the right side of the friction wheel 27, a bearing 29 is fixedly installed on the second transmission shaft 28, a bottom plate 30 is fixedly installed at the bottom end of the protective shell 25, an opening 31 is formed in the bottom plate 30, a second motor 32 and a first motor 18 are fixedly installed at the bottom end of the screw rod 5, the servo motor 26 and the second motor 32 are both electrically connected to an external power source.

In this embodiment, a card punching and name recording system is used to record training information of a trainer and perform more targeted training, the effect of launching different types of goal balls can be realized by utilizing the functions of four groups of servo motors 26 and friction wheels 27, an arc-shaped track 8 is facilitated, the position of the pitching machine 10 can be conveniently changed, the types and angles of the goal balls can be greatly increased through the mutual matching of the two, the simulation degree is improved, the training effect is improved, the defensive weak items of the trainer are recorded through a data recording module and a data storage module so as to perform targeted training on the goal, the training effect is improved, a ball groove 1 is arranged at the rear side of a goal 2, most of the launched football can fall into the ball groove 1, the football can slide to the right side due to the fact that the bottom end of the ball groove 1 inclines to the right side, and then the football can be lifted to a guide frame 6 through the mutual matching of a limiting rod 4 and a spiral rod 5 on the right side, then the football is slid into the ball frame 7 to finish the automatic collection of the football, thereby facilitating the training personnel to put balls in the ball bin 11 and saving a large amount of manpower.

Example 2

Referring to fig. 1 to 7, the protective housings 25 are provided with four sets, each set of protective housing 25 is provided with a set of servo motors 26, each set of protective housing 25 is provided with a set of friction wheels 27, a set of second transmission shafts 28 and a set of bearings 29, and the friction wheels 27 and the servo motors 26 are in transmission connection through the second transmission shafts 28; the first motors 18 are arranged in two groups, the two groups of first motors 18 are respectively arranged on the left side and the right side of the top end inside the clamping end 15, each group of first motors 18 is correspondingly provided with one group of first transmission shafts 19, the first transmission shafts 19 are in transmission connection with the second fixed shaft 24 through a first belt 17, and the second fixed shaft 24 is in transmission connection with the first fixed shaft 20; the two groups of clamping grooves 9 are arranged, the two groups of clamping grooves 9 are respectively arranged at the front end and the rear end of the arc-shaped rail 8, the through groove 16 is connected with the arc-shaped rail 8 through clamping, and the first rotating wheel 21 and the second rotating wheel 23 are respectively connected with the one group of clamping grooves 9 in a clamping manner; a group of through holes are formed among the four groups of protective shells 25, and the through holes are communicated with the lower ball opening 13 through a conduit 14; the bottom end of the ball groove 1 inclines to the right side, the bottom end of the screw rod 5 is positioned at the upper side of the bottom end of the ball groove 1, and the second motor 32 is positioned below the ball groove 1.

In this embodiment, four sets of servo motors 26 are provided in the pitching machine 10, and by changing the power of the different motors, so as to change the rotation speed of the friction wheel 27 and achieve the effect of shooting different types of goal balls, the bearing 29 arranged in each group of protective shells 25 improves the stability when the servo motor 26 drives the friction wheel 27 through the second transmission shaft 28, the first motor 18 arranged in the clamping end 15 can drive the two groups of rotating wheels through the mutual matching of the first belt 17 and the second belt 19, and can keep the consistency of the rotating directions of the first rotating wheel 21 and the second rotating wheel 23, so as to facilitate the position change of the pitching machine 10 on the arc-shaped track 8 and the adjustment of the shooting angle, the ball slot 1 is arranged at the rear part of the goal 2, can accomplish the collection effect to the football, later utilize mutually supporting of gag lever post 4 and hob 5, can collect the football to the ball frame 7 in, use manpower sparingly.

Example 3

The data recording module can record the defense training information of the user, and then stores the training information into the data storage module; the data reading module reads the last training information of the trainer through the data storage module; the information stored by the data storage module is the training information of the trainer for multiple times.

In this example, the training information of the trainee is recorded in a card punching and name recording manner, wherein the training information includes the shooting type of the trainee in which the defense fails, and then the trainee trains the weak points of the trainee for a plurality of times in a centralized manner when training next time, so that the level of the trainee is improved quickly, and the weak points of the trainee are reduced.

A training method of the training device for gate shooting defense in football teaching as claimed in claim 1, the training method comprising the steps of:

the method comprises the following steps: the training personnel use the mode of punching the card, and the central processing unit reads the personnel information by using the device;

step two: the data reading module reads the last training information of the training personnel and carries out targeted training on weak spots of the training personnel, the central processing unit controls the pitching machine 10 to shoot balls to train the personnel, the friction wheels 27 controlled by the four groups of servo motors 26 eject the balls, the pitching machine 10 is controlled to send shot balls of different types by controlling the rotating force of the different friction wheels 27, meanwhile, the shooting angle of the pitching machine 10 is adjusted through the action of the arc-shaped rail 8, and the shooting ball type is further increased;

step three: after the training, this training data of training personnel is recorded to the data recording module, saves to the data storage module, and in training personnel played people's ball groove 1 with the ball simultaneously, the football slided to the right side, through mutually supporting of gag lever post 4 and hob 5, raised the football to guide 6 departments, later slided in ball frame 7.

The invention can record the training information of the training personnel by setting and using a card punching and name recording system, carries out more targeted training on the training information, can realize the effect of launching different types of goal balls by utilizing the action of four groups of servo motors 26 and friction wheels 27, is beneficial to the arc-shaped track 8, can conveniently change the position of the pitching machine 10, can greatly increase the types and angles of the goal balls by matching the two, improves the simulation degree and the training effect, records the defensive weak items of the training personnel by a data recording module and a data storage module so as to carry out targeted training on the training personnel and improve the training effect, a ball groove 1 is arranged at the rear side of a goal 2, most of the launched football can fall into the ball groove 1, the football can slide to the right side because the bottom end of the ball groove 1 inclines to the right side, and then passes through the matching of a limiting rod 4 at the right side and a spiral rod 5, can rise football to guide frame 6 department, then in sliding into ball frame 7, accomplish the automatic collection to the football, make things convenient for training personnel to go up the ball in ball storehouse 11, save a large amount of manpowers.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.