KR20100006069A - Electronic protector, electronic protector system and method for approving effective hit - Google Patents

Abstract

PURPOSE: An electronic protector, an electronic protector system, and a method for judging effective hit are provided, which can sense intensity of the same blow. CONSTITUTION: An electronic protector comprises a protector main body(110); a pressure sensor(120) which measures hit pressure added to the protector main body; an approach sensing unit which distinguishes whether specific body of an opponent or a game tool approaches within the specified range of the pressure sensor or not; a radio transmitting unit which transmits information read from the pressure sensor and approach sensing unit to the external device; and a battery.

Description

Electronic protector, electronic protector system and method for approving effective hit}

The present invention relates to an electronic protector, and more particularly, to an electronic protector for an athlete acting when a player competes in a martial arts match or practice competition such as taekwondo, boxing, karate, kick boxing, an electronic protector system, and a method for determining effective hits.

In the conventional electronic protector, an electronic chip is installed in the electronic protector, and when the strike is applied to the electronic protector, the contact of the electronic chip is contacted by the hit, and a signal corresponding to the contact is transmitted to the electronic display board to display the score. .

However, the conventional electronic protector using the contact method has a disadvantage in that it cannot distinguish the strength and weakness of the hit simply because it provides only information on the contact of the contact. In order to remedy this drawback, a single air receiver is formed in the effective hitting part of the protector to inject air through the air inlet with the effective hitting area, and the air pressure for measuring the pressure inside the air receiving part. Although some sensors can be installed to measure the strength of the blow, the air pressure sensor has a constant air pressure intensity depending on the strength of the hit, the area of the hit, and the position of the hit. Many errors occurred in measuring the impact strength, and by using the effective division of the contact method as it is, an error that reacts to moisture such as dirt or sweat of the tiger ball occurred. Due to this error, the electronic protector introduced for the fair decision causes an unfair decision, increasing the dissatisfaction of the players and the competition officials, and making the fair game operation difficult.

In addition, the conventional electronic protector as described above has a disadvantage in that it does not distinguish whether the opponent hits the fist or the foot or the head. Accordingly, the conventional hogu may be scored even when hitting with a body part or other tool that should not be used for the hitting, and also has a disadvantage in that a score cannot be given differently according to the body part or tool used for the hitting.

SUMMARY OF THE INVENTION An object of the present invention is to provide an electronic protector and an electronic protector system therefor that can accurately measure the strength of a hit and reflect the score.

It is another object of the present invention to provide an electronic protector and an electronic protector system for allowing a score to be calculated according to a specific body part or a specific game tool used for the blow.

Still another object of the present invention is to provide an electronic protector and an electronic protector system therefor capable of determining a valid hit.

Still another object of the present invention is not only to reflect the strength of the blow and the specific body parts used for the blow or a specific game tool in the score, but there is no error in the determination of validity of the electronic protector which can be widely used in martial arts competitions such as taekwondo and practice And electronic protector system.

Still another object of the present invention is to provide a validity discrimination method that enables accurate validity determination.

The electronic protector according to the present invention, in the electronic protector, a pressure sensor for measuring the blow pressure applied to the body of the body, the body of the protector, the body of the athlete installed on the body of the protector and wearing the body of the protector Appropriate sensing means for determining whether a specific body part or game equipment of the other party approaches within a predetermined range of the pressure sensor, Wireless information is installed on the body of the hogu and the information read by the pressure sensor and the access sensing means to the external device wirelessly It has a configuration including a battery for supplying power to the wireless transmission means for and installed in the hogu main body and a component that requires power.

The access detecting means is preferably an antenna for receiving identification information transmitted by an RFID tag approaching within a predetermined range and an RFID reader connected to the antenna for reading identification information of the RFID tag received by the antenna.

Receives the pressure value measured by the pressure sensor and the information read from the access detecting means to determine whether the effective hit, and in the case of the effective hit to calculate the effective score and to apply to the wireless transmitter with the address information for distinguishing the wearer It is preferable to further include a score calculation means.

Preferably, the pressure sensor is a film-type pressure sensor in which a plurality of bubbles are formed in a plastic film provided with electrodes on both sides, and when the charge is filled in the bubbles, the inside of the film in which the bubbles are formed is ferroelectric.

In the electronic protector system according to the present invention, in the electronic protector system, a pressure sensor for measuring the impact pressure applied to the protector body, the body of the target body and the opponent of the athlete wearing the protector body. Appropriate detection means for detecting a particular body part or competition tool of the other party is approached within a predetermined range of the pressure sensor, the pressure value measured by the pressure sensor and the approach detection means Effective score calculation means for calculating the effective score according to the effective hit by receiving the information and the effective score calculation means, display means for displaying the score calculated by the calculation means, installed between the pressure sensor and the access sensor and the display means Power supply unit for supplying power to wireless communication means and components that require power Has a configuration to include.

In this case, the access detecting means may include an RFID tag having identification information recorded therein, an antenna for receiving the identification information approaching and transmitting the RFID tag within a predetermined range, and identification information of the RFID tag connected to the antenna and received by the antenna. It is preferable to include an RFID reader for reading.

Preferably, the antenna and the RFID reader are installed at the hogu main body, and the RFID tag is worn on a specific body part or a specific competition tool of the counterpart.

The effective score calculating means is installed in the hogu main body, and the wireless communication means is a wireless transmitting unit for transmitting information of the effective score calculating means and a wireless receiving unit installed in the display means and receiving information of the effective score calculating means. And

The effective score calculation means or tag stores address information for distinguishing players, and the player information corresponding to the address is registered in the display means.

Preferably, the pressure sensor is a film-type pressure sensor in which a plurality of bubbles are formed in a plastic film provided with electrodes on both sides, and a charge is charged in the plurality of bubbles to ferroelectric the inside of the film in which the bubbles are formed.

In the effective hit determination method according to the present invention, in the effective hit determination method in the electronic protector system, the pressure sensor through the access detection means are provided in the specific body part of the opponent of the athlete wearing the protector body and the specific game equipment or the access detection means Approach detection step for detecting whether a specific body part of the opponent athlete within a certain range, pressure measurement step for measuring the pressure applied to a specific part of the electronic protector through a pressure sensor installed in a specific part of the body of the protector and the access detection step And a validity determination step of determining a valid hit when a specific body part of the opponent's athlete or a specific competition tool approaches a predetermined range of the pressure sensor and the pressure value measured in the pressure measuring step is equal to or greater than a reference value. Have

The present invention of the above configuration is the flag of the Republic of Korea and the official Olympic sport Taekwondo and similar martial arts competition to resolve the player's dissatisfaction with the referee's judgment errors and judgment results due to the fast movement of the players in the actual competition game In addition, by attaching a face sensor to the whole area of the goal ball and adding a sensor that can distinguish the attack technology, the processor judges whether the goal is determined by the rules of the game by accurately detecting whether the attack was made by the strength of the attack and the effective technology. The present invention relates to an electronic protector device for transmitting a radio transmitter, receiving the same, calculating a score, and electronically operating a game, and a system for running a game.

In other words, the present invention is a film-type pressure sensor and hand technology, foot technology that is the entire surface sensor device that can obtain the same value by hitting any point where the scoring allowance of the protective gear for athletes worn for martial arts competition or practice competition Access detection device that can distinguish the data from the two sensor devices is converted to AD, and the processor judges the score according to the competition rules and sends it to the display device or the computer which displays the score number using the digital wireless transmitter. The invention relates to an electronic protector system for receiving and storing the same, and displaying the same on a display device.

The present invention solves the dissatisfaction of the referee's decision error and judgment result due to the fast movement of the players in the actual competition in Taekwondo, the national flag of the Republic of Korea, so that accurate scores can be calculated from attacking strikes to obtain more fair scoring results. If an attack is applied to the electronic protector by the opponent's attack, it is determined whether the attack is made to the effective area of the fist and foot and the strength of the blow delivered through the player's protective sponge to determine the effective blow and the effective scoring strength according to the weight. It allows you to determine the score correctly.

In addition, the present invention is able to detect the same strength of the impact for the same strength of the strike, even if hitting anywhere to the scoring allowance, it is possible to comprehensively determine the scoring allowable portion, the scoring strength, the allowable technology.

In addition, the present invention enables to accurately measure the strength of the hitting, it is possible to calculate the score according to a specific body part or a specific game equipment used for the hitting, and to enable accurate validity determination.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

1 is a rear view showing an example of the electronic protector according to the present invention, Figure 2 is a block diagram illustrating an electronic protector system according to the present invention implemented using the electronic protector of FIG.

As shown, the electronic protector 100 according to the present invention includes a protector body 110. The hogu main body 110 is for protecting athletes participating in taekwondo competitions, and is usually filled between the shell and the endothelium, the shell and the endothelium to cushion shocks, such as a sponge and a specific body part of the athlete or a specific game tool. Consists of wearing means that allow you to wear on. The pressure sensor 120 is installed inside the hogu main body 110. The pressure sensor 120 is installed to the extent that can be effectively priced, it is for measuring the pressure of the hitting part when the opponent hits. As the pressure sensor 120, a thin film-type pressure sensor is preferable, and it is preferable that the pressure sensor 120 is usually provided between the sponge and the endothelium. This film type pressure sensor will be described in more detail later with reference to FIG. 3. The film pressure sensor 120 is connected to the effective score calculation means 130.

The electronic protector 100 according to the present invention includes an access sensing means 140 having an antenna 142 and an RFID reader 144. Approach detecting means 140 is for determining whether a specific body part or a specific game tool of the opponent of the athlete wearing the body protector 110 approaches within a certain range of the pressure sensor 120. The antenna 142 of the approach detecting means 140 is preferably installed in front of the pressure sensor 120, that is, between the outer shell and the sponge of the arcuate body 110. As the access detecting unit 140, it is preferable to use an antenna 142 for receiving identification information transmitted from the RFID tag 146 and an RFID reader 144 for reading the received identification information. This approach detecting means 140 will be described in more detail later with reference to FIG. 3.

Electronic protector 100 according to the present invention is provided with an effective score calculation means (130). The effective score calculation unit 130 is to determine the effective score when the approach is detected by the approach detecting means 140 and the pressure is measured by the pressure sensor 120 or more than the reference value, and calculates the effective score accordingly. The score calculation is a method of giving a certain score when the pressure is measured in the pressure sensor 120 and the pressure sensor 120 is measured above, or the approach is detected and the score is given according to the pressure measured by the body parts or tools hitting Etc. can be applied in various ways.

The electronic protector 100 according to the present invention includes a wireless transmitting means 150 for wirelessly transmitting information on the score calculated by the effective score calculating means 130 to an external device such as the display means 160. The information transmitted from the radio transmitting means 150 is received through the radio receiving unit 162 and the score is displayed on the display unit 164.

Of course, the electronic protector 100, although not shown separately, should be provided with a battery for supplying power to the components that require power.

In some cases, the effective score calculating unit 130 installed in the electronic protector 100 may be installed between the wireless receiving unit 162 and the display unit 164, and the wireless transmitting unit 150 may detect the pressure sensor 120 and the proximity sensor. It may be configured to transmit a signal applied from the means 140. In this case, the player identification information is preferably included in the identification information of the RFID tag 146.

That is, the electronic protector 100 wirelessly transmits the signals of the pressure sensor 120 and the approach detecting means 140 to the external device wirelessly, and receives the signals from the effective point calculating means installed in the external device to calculate the effective score. You may also do so.

In FIG. 2, the components installed in the protector main body 110, the RFID tag 146, the display means 160, and the wireless receiver 140 may use a ballast or a martial art such as an electronic protector 100 according to the present invention. It is an electronic protector system 200 that allows the game to operate.

3 is a cross-sectional view for explaining the configuration of a film-type pressure sensor used suitably for the present invention.

As the pressure sensor 120 used in the present invention, a plurality of bubbles 124 are formed in the plastic film 122 of the thin plate, and electrodes 126 are respectively provided on both surfaces thereof, and a potential difference measurer is provided on both electrodes 126. It is preferable to make the connection 128. When the pressure sensor 120 charges the bubbles 124, the inside of the film 122 in which the bubbles are formed becomes ferroelectric, and the inside of the bubbles 124 has a constant electrostatic charge. Accordingly, when an external shock or pressure is applied to the pressure sensor 120, a deformation occurs inside the bubble 124 due to the change of the shock or pressure, and a slight voltage change occurs according to the deformation. This minute voltage change will output a linear potential difference with respect to the change in pressure applied. By using this principle, a constant potential difference is output through the electrodes provided on both sides with respect to a constant pressure intensity in the entire region of the pressure sensor 120. That is, when the minute potential difference generated by the pressure sensor 120 is measured, the pressure applied to the pressure sensor 120 may be measured.

Since the film-type pressure sensor 120 has a myriad of bubbles are formed over the entire surface of the pressure sensor 120, it is possible to accurately measure the pressure regardless of the impact position.

4 is a view showing the configuration of the access detecting means used in the electronic protector and electronic protector system of the present invention.

The access detecting unit 140 used in the present invention uses a smart tag system, and is transmitted from an RFID tag 146 having identification information, an RFID reader 144 for reading the identification information, and an RFID tag 146. An antenna 142 for wirelessly receiving the identification information is provided.

The antenna 142 has a function of transmitting a signal for reading data input to the RFID tag 146 and receiving a signal transmitted from the RFID tag 146. The antenna 142 generates an electromagnetic field and enters a predetermined range. Is activated to receive identification information from the RFID tag 146. The range of activating the RFID tag 146 can be appropriately adjusted by the designer by adjusting the intensity of the electromagnetic field, etc. In the electronic protector system, the RFID tag 146 is designed to be activated when it comes within a range of 5 to 6 cm. It is desirable to. The antenna 142 is connected to the RFID reader 144.

The RFID tag 146 is worn on the hands and feet of the opponent of the athlete who wears the electronic protector 100. In general, the RFID tag 146 is connected to the memory device 146a and the memory device 146a in which identification information is stored. Consists of Typically, the memory capacity of the RFID tag 146 depends on the requirements of the application and is divided into data rewritable and read only. In the present invention, a read-only one may be used. The identification information may be information for distinguishing only a hand and a foot or a specific tool such as binary numbers 01 and 11, and may be information of a higher unit further including information for distinguishing a worn athlete.

In some cases, the RFID tag 146 may be configured to be supplied with power through a separate battery. However, the RFID tag 146 is not preferable because the battery must be worn on a hand or a foot.

The RFID reader 144 decodes the identification information in the memory 146a of the antenna 142 and the RFID tag 146 and sends the data to the effective score calculating means 130.

In some cases, the RFID tag 146 may be installed on the electronic protector 100 and the antenna 142 and the RFID reader 144 may be configured to be worn on the opponent's hand and foot. The disadvantage is that a battery is required.

When the fist or foot approaches the front of the electronic protector 100 according to the present invention, the antenna 142 receives the energy of electromagnetic waves emitted by the power supply to the tag 146 mounted on the fist or foot, thereby providing an electronic tag ( The RFID reader 144 receives the recognition signal wirelessly and the RFID reader 144 receives the signal to determine whether the fist and the foot are distinguished or valid.

FIG. 5 is a block diagram specifically showing the configuration of the electronic protector system installed in the electronic protector, and FIG. 6 is a block diagram specifically showing the configuration of the display means.

As shown in the figure, an antenna 142 for receiving identification information of the tag 146 is installed. The antenna 142 forms an electromagnetic field to activate the tag 146 when the tag 146 enters a predetermined range and to receive identification information transmitted from the tag 146. The antenna 142 is connected to the RFID reader 144, and the RFID reader 144 is connected to the effective score calculating means 130. The RFID reader 144 has a decoder therein for reading the received identification information.

The pressure sensor 120 is installed in the hogu main body 110, and the pressure sensor 120 converts the amplified electrical signal into an amplifier 121 and an amplified electrical signal from the film-type pressure sensor 120 into a digital signal. It is connected to the effective score calculation means 130 through the AD converter 123. The effective score calculation unit 130 is connected in order to the wireless transmitter 152, the RF signal amplifier 154 and the transmission antenna 156 for wireless transmission. The radio transmitter 152 converts the calculated score into a signal for radio transmission and applies it to the RF signal amplifier 154, and the RF signal amplifier 154 amplifies the signal and transmits it through the transmission antenna 156. Do it. The radio transmitter 152, the RF signal amplifier 154, and the radio transmission transmitter 156 correspond to the radio transmitter 150.

Here, the functions of the effective score calculating unit 130 and the wireless transmitter 152 may be controlled by a small microcomputer. Preferably, the effective score calculating means 130 stores an address of a player wearing the electronic protector 100, and transmits the address information when transmitting the effective score calculated by the display means 160 described later. do. Of course, the player information corresponding to each address is preferably registered in advance in the display means. Address information for player classification may be included in identification information of the RFID tag 146 in some cases.

The RF signal amplifier 154 includes an LED 102 for indicating a necessary situation, such as when scoring an effective score, a button for turning on / off of the electronic protector system installed in the electronic protector 100 and registering the display means 160 ( 104) and a buzzer 106 for generating a buzzer sound for notifying occurrence of a necessary situation such as an effective score may be further installed. Each component of the electronic protector 100 is supplied with power through the battery 108.

That is, the analog potential difference signal from the film type pressure sensor 120 is converted into a digital value through the AD converter 123, and the digital value is input to the effective score calculating means 130 composed of a processor such as a microcomputer. This is used as the data for determining the effective score calculating means 130 or the effective score. In addition, the identification information of the tag 146 received through the antenna 142 is applied to the RFID reader 144 and read as a digital value, which is sent to the effective score calculating means 130. The effective score calculation unit 130 is applied when a pressure value higher than a reference value is applied from the pressure sensor 120 while identification information is continuously applied as the tag 146 approaches the predetermined range from the RFID reader 144. Based on the value, it is determined as a valid stroke and the score is calculated accordingly. The pressure value signal measured by the pressure sensor 120 is maintained for about 20 milliseconds and then disappears.

The effective score value calculated in this way is sent to the wireless transmitter 152 together with address information stored in a memory device such as a microcomputer constituting the effective score calculator 130 and transmitted as a wireless signal. Preferably, the address information is given in the form of a serial number for each microcomputer when the microcomputer is manufactured.

As shown in FIG. 6, the display means 160 includes a radio receiver 162 for receiving a signal through a reception antenna 162a for receiving a signal transmitted from the electronic protector 100. The wireless receiver 162 is connected with a controller 178 for processing the received signal and displaying the score on the display unit 164. As the controller 178, a small microprocessor may be used. The control unit 178 includes a display unit 164 for indicating a score for each player, a keypad 176 for inputting necessary items, a monitor 174, and a memory 172 for storing and recalling necessary contents. Is connected. Electrical energy required for each component such as the display unit 164 and the controller 178 is supplied from the power supply unit 168. Here, the controller 178, the keypad 176, the monitor 174, the memory 172 for storing and recalling the necessary content may be configured using a general computer 170. The player's name and address information are registered in advance in the memory of the display means 160, and then displayed according to the address information transmitted from the electronic protector 100 by the player's name, or the blue team, the back team, and the corresponding scores. Display. Of course, the address information may be registered in the RFID tag 146.

That is, the wireless receiver 162 of the display means 160 receives the score value and the address information from the wireless transmitter 154 and applies it to the display unit 164 or the computer 170 connected to the display unit 164. The display unit 164 displays the received score on the display unit 162, and the value transmitted to the computer 170 or the like is stored in the memory 172 or the like and used for game operation. The electronic protector system operator inputs the necessary matters to the control unit 178 with the keypad 176 while looking at the monitor 174 to further display the necessary matters on the display unit 164 or to perform a game operation. Of course, the display unit 160 also has a power supply unit 168 for supplying power.

7 is a perspective view illustrating an example in which the present invention is implemented in a helmet.

The electronic protector 100a according to the present invention may be implemented as it is even when the protector main body 110a is a helmet. That is, the electronic protective equipment 100a according to the present invention by installing components such as the pressure sensor 120 and the antenna 142 as described in FIG. Can be configured. Only the shape of the hugu main body 110a and the installation position of each component are different from the previous embodiment, and the rest are the same as in the previous embodiment.

8 is a flowchart for explaining an effective score determination process in the effective score calculation unit.

Both players wishing to play the electronic protector 100 according to the present invention as described with reference to FIGS. 1 and 5 are worn on the body, the electronic protector 100a shown in FIG. 7 is worn on the head, and the hand Wearing an RFID tag 146 that stores identification information by using a glove or a sock-type wearing hole on the foot and registering the display means 160 with the button 104, the game is effective. The score determination process will be described with reference to FIGS. 5 to 8.

When the RFID tag 146 worn on the opponent's hand or foot is within a certain range of the effective price range, the RFID tag 146 is activated and continuously transmits the identification information stored in the storage element 146a, and the antenna This identification information is received at 142 and continues to be sent to the RFID reader 144. Then the RFID reader 144 receives the received identification information and continues to apply to the effective score calculation means 130. Of course, if the RFID tag 146 is out of a predetermined range in the antenna 142, the RFID tag 146 is deactivated. When the RFID tag 146 is deactivated, reception of identification information from the antenna 142 is stopped. On the other hand, if the fist or foot of the opponent athlete is applied to the effective hitting portion of the electronic protector 100, the pressure sensor 120 measures the pressure and applies to the effective score calculation means 130.

The effective score calculation unit 130 determines whether there is identification information applied from the RFID reader 144 (S1) or whether there is a pressure signal higher than a reference value from the pressure sensor 120 in the state where the identification information is applied (S1). S2) When the RFID tag 146 approaches the predetermined range and the pressure value is equal to or greater than the reference value, the hit at that time is determined as a valid hit, and an effective score is calculated (S3). In this case, the effective score can be calculated according to a predetermined game rule, for example, by giving one point in a batch, or by differentially depending on the pressure value or the body part used by the opponent for hitting.

The calculated score is preferably amplified by being applied to the RF signal amplifier 154 through the wireless transmitter 152 together with the address information registered in the calculation means 130, and then displayed by the transmission antenna 156. Is wirelessly transmitted (S 4). The display means 160 displays the score of the corresponding player according to the received signal (S 5), if there is an end signal, and ends, and if not, go to S 1 (S 6).

The present invention has the potential to be used in an electronic protector system that can be played by utilizing the electronic protector and electronic protector used in various non-union.

1 is a rear view showing an example of the electronic protector according to the present invention;

FIG. 2 is a block diagram illustrating an electronic protector system according to the present invention implemented using the electronic protector of FIG. 1;

3 is a cross-sectional view for explaining the configuration of a film-type pressure sensor used suitably in the present invention;

4 is a view showing the configuration of an access detecting means used in the electronic protector and electronic protector system of the present invention;

5 is a block diagram showing the configuration of an electronic protector system installed in an electronic protector;

6 is a block diagram specifically showing a configuration of display means;

7 is a perspective view for explaining an example in which the present invention is implemented in a helmet,

8 is a flowchart for explaining an effective score determination process in the effective score calculation unit.

Explanation of symbols on the main parts of the drawings

100: electronic hogu 110: hogu main body

120: pressure sensor 122: plastic film

124 bubble 126 electrode

130: effective score calculation means 140: approach detection sensor

142: antenna 144: RFID reader

146: RFID Tag

Claims (10)

In the electronic protector, Neutrophil body; A pressure sensor installed on the hogu body and for measuring a blow pressure applied to the hogu body; Access detecting means for determining whether the specific body parts or competition tools of the opponent of the athlete wearing the hogu main body approaching the body within the predetermined range of the pressure sensor; Wireless transmitting means installed in the hogu main body and wirelessly transmitting information read by the pressure sensor and the access detecting means to an external device; And The electronic protector, characterized in that it comprises a battery for supplying power to the component that is installed in the hogu main body and requires power. The method of claim 1, wherein the access detecting means, And an RFID reader for receiving identification information transmitted by an RFID tag approaching a predetermined range, and an RFID reader connected to the antenna for reading identification information of the RFID tag received by the antenna. The address for distinguishing a wearer according to claim 1 or 2, wherein the pressure value measured by the pressure sensor and the information read by the access detecting means are received to determine whether the effective hit is performed, and in the case of the effective hit, the effective score is calculated to determine the wearer's address. And an effective score calculation means for applying to the wireless transmitter with information. The method of claim 1, wherein the pressure sensor is a film-type pressure sensor that forms a large number of bubbles in the plastic film having electrodes on both sides and charges the plurality of bubbles inside the film formed with the bubbles are ferroelectric. Electronic protector made with. In the electronic protector system, A pressure sensor installed at the archole body to measure the blow pressure applied to the archole body; Approach detection means for detecting the specific body part or the match tool of the opponent is approached within a certain range of the pressure sensor is divided worn on the body and the match tool of the opponent of the player and wearing the body ; Effective score calculation means for calculating a valid score according to the valid hit and the effective score by receiving the pressure value measured by the pressure sensor and the information read by the approach detecting means; Display means for displaying the score calculated by the calculation means; Wireless communication means provided between the pressure sensor and the approach detection sensor and the display means; And An electronic protector system comprising a power supply for supplying power to a component requiring power. The RFID tag of claim 5, wherein the access detecting means comprises: an RFID tag in which identification information is recorded, an antenna for receiving identification information that the RFID tag approaches and transmits within a predetermined range, and an RFID tag connected to the antenna and received by the antenna. And an RFID reader for reading identification information of the electronic protector system. The electronic protector system according to claim 6, wherein the antenna and the RFID reader are installed on the protector body, and the RFID tag is worn on a specific body part or a specific game tool of the counterpart. 6. The effective score calculating means according to claim 5, wherein the effective score calculating means is provided in the hogu main body, and the wireless communication means is provided in a wireless transmitter for transmitting information of the effective score calculating means and the display means and the information of the effective score calculating means. Is provided with a wireless receiving unit for receiving, The effective score calculation means or tag stores address information for distinguishing players, and the player information corresponding to the address is registered in the display means. The pressure sensor of claim 5, wherein the pressure sensor is a film-type pressure sensor in which a plurality of bubbles are formed in a plastic film having electrodes on both sides, and the inside of the film in which the bubbles are formed is ferroelectric when charge is charged in the plurality of bubbles. Electronic protector system, characterized in that. In the effective hit determination method in the electronic protector system, An access detecting step of detecting whether a specific body part of the other player approaches within a predetermined range of the pressure sensor through an access detecting means separately installed on a specific body part or a specific game tool of the other party of the player wearing the body and the ball; A pressure measuring step of measuring a pressure applied to a specific part of the electronic protector through a pressure sensor installed at a specific part of the protector body; And In the approach detection step, when a specific body part or a specific game tool of the opponent athlete approaches the predetermined range of the pressure sensor and detects a valid hitting step of determining a valid hit when the pressure value measured in the pressure measuring step is equal to or more than a reference value. Validity discrimination method in an electronic protector system comprising a.

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