CN215505418U - Wireless referee system for fencing based on mobile phone display - Google Patents
Wireless referee system for fencing based on mobile phone display Download PDFInfo
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- CN215505418U CN215505418U CN202021427926.6U CN202021427926U CN215505418U CN 215505418 U CN215505418 U CN 215505418U CN 202021427926 U CN202021427926 U CN 202021427926U CN 215505418 U CN215505418 U CN 215505418U
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Abstract
The utility model discloses a wireless referee system for fencing based on mobile phone display, which relates to the field of referee systems and comprises a metal jacket and fencing, wherein the metal jacket and the fencing are divided into two groups which are respectively arranged on the bodies of teleoperators of two parties; communication system is used for communication connection information acquisition end and display terminal, and communication system is used for the signal transmission who gathers information acquisition end to display terminal department: the display terminal is used for carrying out logic judgment and state display on the signals transmitted by the communication system; the information acquisition end is provided with a plurality of interfaces and signal points for outputting signals with different frequencies, and the signal points are arranged at different parts of the body of the athlete.
Description
Technical Field
The utility model relates to the technical field of referee systems, in particular to a wireless referee system for fencing based on mobile phone display.
Background
The existing fencing referee system is in a wired connection mode and comprises a referee display, a cable, a towing disc and the like, athletes need to connect the cable to match in the match, the requirement of the mode on the match field is high, and the towing disc and the cable often have problems so as to influence the match.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wireless referee system for fencing based on mobile phone display, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a wireless referee system for fencing based on mobile phone display comprises two sets of metal clothes and fencing, wherein the metal clothes and the fencing are respectively arranged on teleoperators of both sides, and the wireless referee system is further provided with an information acquisition end, a communication system and a display terminal, wherein the information acquisition end, the communication system and the display terminal are further arranged on the teleoperators of both sides
The system comprises two information acquisition ends, a signal output module and a signal detection module, wherein the two information acquisition ends are respectively worn on the bodies of two athletes, connecting wires for connection are respectively arranged between the two information acquisition ends and a metal coat and a fencing on the corresponding athlete, and the information acquisition ends are used for detecting the real-time working state of the fencing and comprise the signal output module and the signal detection module;
the communication system is used for connecting the information acquisition terminal and the display terminal in a communication manner, and the communication system is used for transmitting the signals acquired by the information acquisition terminal to the display terminal:
the display terminal is used for carrying out logic judgment and state display on signals transmitted by the communication system;
the athlete monitoring system is characterized in that the information acquisition end is provided with a plurality of interfaces and signal points for outputting signals with different frequencies, the signal points are arranged at different parts of the body of the athlete, and the athlete monitoring system is also provided with a mobile power supply for providing electric power.
As a further scheme of the utility model: the signal frequency is two frequency square wave signals of 33KHz and 40KHz, wherein 33KHz is the output square wave signal of the information acquisition end of one player, and 40KHz is the output square wave signal of the information acquisition end of the other player.
As a still further scheme of the utility model: the interface is banana socket interface, the interface quantity on the information acquisition end is at least three, including a signal output interface, a signal acquisition interface and a system ground interface.
As a still further scheme of the utility model: and the information acquisition terminal is provided with an indicator light for displaying the working state of the information acquisition terminal.
As a still further scheme of the utility model: the portable power source is a 3.7V polymer lithium battery on the information acquisition end, the battery capacity is 2000mAh, and the top of the information acquisition end is provided with a charging interface of a Type-C seat and a power dial switch.
As a still further scheme of the utility model: the communication system is a Bluetooth communication system, and the frequency range of the Bluetooth communication system is as follows: 2.404GHz-2.480 GHz; emission power: 0 dBm; BLE protocol: BLECore _ V4.0; the receiving sensitivity is-96 dBm; an antenna: an on-board PCB antenna; transmission distance: the space can be seen by 30 meters.
As a still further scheme of the utility model: the display terminal is a mobile phone display terminal.
As a still further scheme of the utility model: the mobile phone display end comprises an indicator light for displaying results, a buzzer and a clock.
As a still further scheme of the utility model: the fencing is a flower sword, a double sword or a saber.
Compared with the prior art, the utility model has the beneficial effects that:
the system is provided with a communication system for data connection, and eliminates the traditional equipment such as cables, dragging coils and the like through a wireless communication technology, thereby simplifying a judgment system, reducing the failure rate and lowering the requirement on the field; the mobile phone display terminal is adopted as the display terminal, so that the use and the carrying are convenient, and the judgment system is further optimized; the method has the advantages that the frequency detection is creatively applied to a fencing referee system, different positions of opposite players in fencing stabs are identified through the frequency detection, and accordingly whether the athletes score or not is judged, and the method is convenient to use and accurate in judgment.
In summary, the following steps: the system adopts software radio technology, Bluetooth communication technology and charging power technology, and identifies different positions of opposite players in the fencing thorn through frequency detection, so as to judge whether the players score, and the system has the advantages of convenient use, low requirements compared with a competition field, convenience in carrying and the like, is particularly suitable for fencing competition and peacetime training, eliminates traditional equipment such as cables, trawling discs and the like through the wireless communication technology, simplifies the system, reduces the failure rate, is particularly convenient for users to use as referee display through a mobile phone, and also improves the popular popularization possibility of professional equipment.
Drawings
Fig. 1 is a schematic structural diagram of a wireless referee system for fencing based on mobile phone display according to the present invention.
Fig. 2 is a schematic structural view of embodiment 2.
Fig. 3 is a schematic structural view of embodiment 3.
Fig. 4 is a schematic structural view of embodiment 4.
In the figure: the system comprises a 1-interface A, a 2-interface B, a 3-interface C, a 4-interface D, a 5-interface E, a 6-interface F, a 7-interface G, an 8-interface H, a 9-interface I, a 10-interface J, a 11-interface K, a 12-interface L, a 13-fencing, a 14-metal coat, a 15-information acquisition end, a 16-connecting line, a 17-display terminal, a 18-handguard and a 19-sword tip.
Detailed Description
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-4, the present embodiment provides a wireless referee system for fencing based on mobile phone display, including a metal jacket 14 and fencing 13, where the metal jacket 14 and the fencing 13 are two sets and respectively equipped on teleoperators of both parties, and further provided with an information acquisition end 15, a communication system and a display terminal 17, where the information acquisition end 15, the communication system and the display terminal 17 are provided, and the system is configured to be used for fencing based on mobile phone display
The two information acquisition ends 15 are respectively worn on the bodies of both athletes, connecting wires 16 for connection are respectively arranged between the two information acquisition ends 15 and the metal clothes 14 and the fencing 13 on the bodies of the corresponding athletes, and the information acquisition ends 15 are used for detecting the real-time working state of the fencing 13 and comprise a signal output module and a signal detection module;
the communication system is used for connecting the information acquisition terminal 15 and the display terminal in a communication manner, and the signals acquired by the information acquisition terminal 15 are transmitted to the display terminal 17 through the communication system:
the display terminal 17 is used for carrying out logic judgment and state display on signals transmitted by the communication system;
the information acquisition terminal 15 is provided with a plurality of interfaces and signal points for outputting signals with different frequencies, the signal points are arranged at different parts of the body of the athlete, and the information acquisition terminal is also provided with a mobile power supply for providing electric power.
Specifically, the signal frequency selected by the information acquisition terminal 15 is not limited, and preferably, the signal frequency is two frequency square wave signals of 33KHz and 40KHz, where 33KHz is the output square wave signal of the information acquisition terminal 15 of one player, and 40KHz is the output square wave signal of the information acquisition terminal 15 of the other player.
Specifically, the interface is a banana jack interface, and the number of the interfaces on the information acquisition terminal 15 is at least three, including a signal output interface, a signal acquisition interface, and a system ground interface.
Specifically, the information acquisition terminal 15 is provided with an indicator light for displaying the working state thereof, and is not limited specifically, for example, the communication system of the information acquisition terminal 15 is successfully connected with the display terminal 17 by lighting, the connection is indicated by flashing, the electric quantity of the information acquisition terminal 15 is indicated by green, the electric quantity of yellow is indicated by yellow is 30% -70%, and the electric quantity of red is indicated by red is less than 30%.
Specifically, portable power source on the information acquisition end is the 3.7V polymer lithium cell, and battery capacity 2000mAh, the interface and the power dial switch that charge of information acquisition end top Type-C seat can supply with 15 continuous work ten hours or so of information acquisition end.
Specifically, the communication system is a bluetooth communication system, and wireless connection and signal transmission are performed through bluetooth communication.
Specifically, the frequency range of the bluetooth communication system is: 2.404GHz-2.480 GHz;
emission power: 0 dBm;
BLE protocol: BLECore _ V4.0;
the receiving sensitivity is-96 dBm;
an antenna: an on-board PCB antenna;
transmission distance: the space can be seen by 30 meters.
Specifically, the display terminal 17 is a mobile phone display terminal, and displays whether the fencing competition is in the stabbing and the valid/invalid result in the stabbing through a special APP program on the mobile phone.
Specifically, the display end of the mobile phone comprises an indicator light, a buzzer, a clock and the like for displaying results.
In particular, said fencing 13 is a foil, epee or saber.
The working principle of the embodiment is as follows:
the two athletes are respectively provided with a set of device, the device comprises a metal coat 14, fencing 13 and an information acquisition end 15, corresponding signal points are arranged on the metal coat 14 on the athlete of the opposite side corresponding to specific parts of a human body, a signal detection module on the information acquisition end 15 configured on the athlete of the local side can detect signals of the corresponding signal points of the athlete of the opposite side, the fact that the corresponding part of the athlete of the local side stabs in the local side is effective stabbing is indicated, if no signal is detected or signals of signal points of the non-corresponding part of the opposite side are detected, the fact that the athlete does not stabs in the local side or in the invalid stabbing is indicated, then the detection result is sent to a display terminal 17 through a communication system to carry out logic judgment and display results, and whether the local side athletes score can be obtained.
The system will be described below in these modes.
Example 2: floral sword working mode
Referring to fig. 2, based on embodiment 1, when the fencing 13 is a foil, the information collecting terminals 15 of two players are connected to their own foil and metal jacket 14 through the connection line 16, the interface a1 of the information collecting terminal 15 is connected to the metal jacket 14 of the player, the interface B2 of the information collecting terminal 15 is connected to the interface D4 of the foil itself, the interface C3 of the information collecting terminal 15 is connected to the interface E5 of the foil itself, the interface F6 of the information collecting terminal 15 of the other player is connected to the metal jacket 14 of the player, the interface G7 of the information collecting terminal 15 is connected to the interface I9 of the foil itself, the interface H8 of the information collecting terminal 15 is connected to the interface J10 of the foil itself, wherein the interface a1 of the information collecting terminal 15 outputs a 33KHz square wave signal, the interface C3 outputs a systematic ground square wave signal, the interface B2 is a signal collecting interface, and the interface F6 of the information collecting terminal 15 of the player outputs a systematic ground square wave signal, interface H8 outputs system 'ground', interface G7 is a signal acquisition interface, foil sword tip 19 is a normally closed switch contact, under normal state, sword tip 19 is connected with interface B2 and interface C3, another athlete foil sword tip 19 is connected with interface G7 and interface H8 under normal state, under normal state that foil sword is not stabbed, two information acquisition ends 15 acquire system 'ground' signals of respective signal acquisition ends through interface B2 and interface G7, when opposite side in foil stabbing, the sword tips 19 of two foils are respectively disconnected with interface C3 and interface H8, when opposite side metal clothing 14 is stabbed, interface B2 detects 40KHz frequency of opposite side metal clothing 14, interface G7 detects 33KHz frequency of opposite side metal clothing 14, which indicates that athlete stabbed the effective part of the opposite side, when interface B2 or interface G7 cannot detect any frequency, it indicates that some party stabbed the foil sword has an ineffective part; the two information acquisition terminals 15 transmit the frequency detected by the interface B2 and the interface G7 to the display terminal 17 in real time through a communication system at intervals of 20 milliseconds, the display terminal 17 indicates the state in the thorn through the change of the colors and the sounds of the two indicator lamps according to the data transmitted by the two information acquisition terminals, the indicator lamps are gray in a normal state, when the thorn is in the state, the buzzer rings for 3 seconds, the color of the indicator lamps indicates the effective part in the thorn, and the white of the indicator lamps indicates the ineffectiveness in the thorn.
Example 3: double sword working mode
Referring to fig. 3, based on embodiment 1, when the fencing 13 is a double sword, the information collecting terminals 15 of the two players are connected to their own double sword through the connection line 16, the interface a1 of the information collecting terminal 15 is connected to the interface D4 of the double sword itself, the interface B2 of the information collecting terminal 15 is connected to the interface E5 of the double sword itself, the interface C3 of the information collecting terminal 15 is connected to the interface F6 of the double sword itself, the structural characteristic of the double sword determines that the interface F6 is connected to the hand guard 18 thereof, the interface G7 of the information collecting terminal 15 of the other player is connected to the interface J10 of the double sword itself, the interface H8 of the information collecting terminal 15 is connected to the interface K11 of the double sword itself, the interface I9 of the information collecting terminal 15 is connected to the interface L12 of the double sword itself, the structural characteristic of the double sword determines that the interface L12 is connected to the hand guard 18 thereof, wherein the interface a1 of the information collecting terminal 15 outputs a 33KHz signal, interface C3 outputs system 'ground' signal, interface B2 is signal acquisition interface, interface G7 of information acquisition terminal 15 of another athlete outputs 40KHz square wave signal, interface I9 outputs system 'ground' signal, interface H8 is signal acquisition interface, double-sword point 19 is normally open switch contact, double-sword can not acquire any frequency under normal condition by means of interface B2 and interface G7 respectively, when double-sword thorn is connected with another party, one party of double-sword point 19 is connected with No. 1 and interface B2 to result in short circuit of No. 1 and interface B2, another party of double-sword point 19 is connected with interface G7 and interface H8 to result in short circuit of interface G7 and interface H8, when interface B2 of one information acquisition terminal 15 detects 33KHz frequency signal, it shows that the other party is in thorn, interface H8 of another information acquisition terminal 15 shows that the other party is in thorn when it detects 40KHz frequency signal, the two information acquisition terminals 15 transmit frequency data detected by the interface B2 and the interface H8 to the display terminal 17 in real time through a communication system at intervals of 20 milliseconds, the display terminal 17 represents the state of a fencing stab according to the data transmitted by the two information acquisition terminals 15 through the change of the color and the sound of two indicator lamps, the indicator lamps are gray in a normal state, when the condition of the stab occurs, a buzzer sounds for 3 seconds, and the indicator lamps are colored to represent the effective part of the stab.
Example 4: operating mode of saber
Referring to fig. 4, in the case of embodiment 1, when the fencing 13 is fencing, the information collecting terminals 15 of both athletes are connected to their own sabres and metal clothes 14 through the connecting line 16, the interface a1 of the information collecting terminal 15 is connected to the metal clothes 14 of the player, the interface B2 of the information collecting terminal 15 is connected to the interface D4 of the sabres themselves, when the fencing mode is used, the interface C3 of the information collecting terminal 15 is in an open circuit state with the interface E5 of the sabres themselves, because the interface D4 of the sabres is short-circuited with the interface E5 due to the structural feature of the sabres, the interface D4 of B2 and the interface E5 are not short-circuited, the interface C3 is not connected, the interface F6 of the information collecting terminal 15 of the other athlete is connected to the metal clothes 14 of the player, the interface G7 of the information collecting terminal 15 is connected to the interface I9 of the sabres themselves, and the interface H8 of the interface H8 and the interface J10 of the sabres themselves are in an open circuit state, because the structural characteristic of the saber is that the interface I9 of the saber is short-circuited with the interface J10, G7 is short-circuited with the interface I9 of the saber and is not connected with H8, wherein the interface A1 of the information acquisition terminal 15 outputs a 33KHz square wave signal, the interface B2 is a signal acquisition interface, the interface C3 is a system 'ground' signal, the interface F6 of the information acquisition terminal 15 of the other player outputs a 40KHz square wave signal, the interface G7 is a signal acquisition interface, the interface H8 is a system 'ground' signal, when one saber hits the opposite metal clothing 14, the interface B2 detects the 40KHz frequency of the opposite metal clothing 14, and when the other saber hits the opposite metal clothing 14, the interface G45 detects the 33KHz frequency of the opposite metal clothing 14, which indicates that the effective part is hit, the two information acquisition terminals 15 transmit the frequencies detected by the interface B2 and the interface G7 to the real-time display terminal 17 through the communication system at intervals of 20 milliseconds, the display terminal 17 represents the state of the stabs through the changes of the colors and the sounds of the two indicator lights according to the data transmitted by the two information acquisition terminals 15, the indicator lights of the saber are gray in the normal state, when the condition of hitting occurs, the buzzer rings for 3 seconds, and the indicator lights are colored to represent the effective parts of the stabs.
In conclusion, the core technology of the system is that the working state of the fencing 13 is identified through frequency detection, the fencing 13 has three states in the fencing competition, namely a state without stabbing, a state of an effective part in the stabbing and a state of an ineffective part in the stabbing, the information acquisition end 15 outputs square wave signals with different frequencies to be connected with a metal coat at a specific position on the body of an athlete to represent the effective position and the ineffective position, and when the information acquisition end 15 detects signals with different frequencies, the working state of the fencing at the moment can be judged, so that whether the fencing competition is scored or not is judged; the coupling characteristic of the frequency is selected to be fully considered, in order to avoid false detection, the signal which has poor signal coupling performance through space and can be detected by a contact coupling method needs to be selected, the frequency of the signal is closely related to the coupling characteristic of the space, and two frequencies of 33KHz and 40KHz are selected as target frequencies, so that the requirements of the system can be met; the display terminal 17 is responsible for logic judgment and state display, the real-time working state of fencing is represented by different colors through corresponding indicator lamps, the display terminal 17 correspondingly receives the real-time data of the two information acquisition ends 15 through a communication system, so that the working states of fencing 13 in the hands of two players are judged one by one, and judgment display is carried out according to fencing competition rules.
It should be particularly noted that, although the present specification describes embodiments, each embodiment does not include only an independent technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and technical solutions in various embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, various modifications, improvements and substitutions can be made without departing from the spirit of the utility model, and all of them belong to the protection scope of the technical solution.
Claims (9)
1. A wireless referee system for fencing based on mobile phone display comprises a metal clothes (14) and fencing (13), wherein the metal clothes (14) and the fencing (13) are in two groups and are respectively arranged on teleoperators of both sides, and the wireless referee system is characterized by further comprising an information acquisition end (15), a communication system and a display terminal (17)
The system comprises information acquisition ends (15), a pair of fencing guards and a pair of fencing guards, wherein the information acquisition ends (15) are respectively worn on the bodies of two athletes, connecting wires (16) for connection are respectively arranged between the two information acquisition ends (15) and the metal clothes (14) and the fencing guards (13) on the bodies of the corresponding athletes, the information acquisition ends (15) are used for detecting the real-time working state of the fencing guards (13), and each information acquisition end comprises a signal output module and a signal detection module;
the communication system is used for connecting the information acquisition terminal (15) and the display terminal in a communication manner, and the communication system is used for transmitting the signals acquired by the information acquisition terminal (15) to the display terminal (17);
the display terminal (17) is used for carrying out logic judgment and state display on signals transmitted by the communication system;
the athlete monitoring system is characterized in that the information acquisition end (15) is provided with a plurality of interfaces and signal points for outputting signals with different frequencies, the signal points are arranged at different parts of the body of the athlete, and a mobile power supply for supplying electric power is further arranged.
2. The wireless referee system for fencing based on mobile phone display according to claim 1, wherein the signal frequency is two frequency square wave signals of 33KHz and 40KHz, wherein 33KHz is the output square wave signal of the information acquisition terminal (15) of one player, and 40KHz is the output square wave signal of the information acquisition terminal (15) of the other player.
3. The wireless referee system for fencing based on mobile phone display according to claim 2, wherein the interface is a banana jack interface, the number of the interfaces on the information acquisition terminal (15) is at least three, and the number of the interfaces comprises a signal output interface, a signal acquisition interface and a system ground interface.
4. The wireless referee system for fencing based on mobile phone display according to claim 3, wherein the information acquisition terminal (15) is provided with an indicator light for displaying the working state thereof.
5. The wireless referee system for fencing based on mobile phone display according to claim 4, wherein the mobile power supply on the information acquisition end (15) is a 3.7V polymer lithium battery with a battery capacity of 2000mAh, and the top of the information acquisition end (15) is provided with a charging interface of a Type-C seat and a power dial switch.
6. The wireless referee system for fencing based on mobile phone display of claim 5, wherein the communication system is a Bluetooth communication system, and the frequency range of the Bluetooth communication system is as follows: 2.404GHz-2.480 GHz; emission power: 0 dBm; BLE protocol: BLECore _ V4.0; the receiving sensitivity is-96 dBm; an antenna: an on-board PCB antenna; transmission distance: the space can be seen by 30 meters.
7. The wireless referee system for fencing based on mobile phone display according to claim 6, wherein the display terminal (17) is a mobile phone display terminal.
8. The wireless referee system for fencing based on mobile phone display of claim 7, wherein the mobile phone display end comprises an indicator light, a buzzer and a clock for displaying the result.
9. The wireless referee system for fencing based on mobile phone display of claim 8, wherein the fencing (13) is a foil, epee or saber.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114534232A (en) * | 2022-02-25 | 2022-05-27 | 吉林师范大学 | Judgment system special for digital fencing competition |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114534232A (en) * | 2022-02-25 | 2022-05-27 | 吉林师范大学 | Judgment system special for digital fencing competition |
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