Taekwondo scoring and timing system integrating vision, inertia sensing and multi-point touch information

Abstract

The invention provides a taekwondo scoring and timing system integrating vision, inertia sensing and multi-point touch information, which belongs to the technical field of sports equipment and comprises an input device, a central processing unit and an output device which are connected with one another, the input device comprises a main keyboard provided with a plurality of keys, the keys of the main keyboard comprise a score key, a warning key, a number key, a start key and an end key, the input device further comprises a visual processor and an inertial sensor, the visual processor is used for judging the action state, and the inertial sensor is used for assisting in judging whether the action is subjected to integral processing or not; the central processing unit comprises a CPU (central processing unit), the CPU is connected with the memory, a special software program is solidified in the central processing unit, the memory is a nonvolatile memory, and the output device comprises an analog signal output interface and a digital signal output interface. The taekwondo scoring and timing operation conditions can be met through a computer display, a television or other display screens with VGA interfaces, and the use cost is reduced.

Description

Technical Field

[0001] This invention belongs to the field of sports equipment technology, specifically relating to a Taekwondo scoring and timing system that integrates visual, inertial sensing, and multi-touch information. Background Technology

[0002] With the development of electronic technology, Taekwondo competitions have shifted from manual scoring to electronic scoring. Currently, large-scale competitions generally use computer application software for scoring, with competition information output to large screens and scores displayed on LED figure-eight displays. This computer-based scoring method generally has the following disadvantages: 1. Because a computer is a public platform, the Taekwondo scoring software is just one of many applications on the computer. According to the working principle of computers, the Taekwondo scoring software can only use computer resources in shifts. If the computer crashes for any reason, restarting it can take several minutes, which often affects the competition as a Taekwondo match lasts only 2 minutes. 2. If the competition is interrupted due to a computer crash, the existing system cannot be restored to the state before the interruption, and the competition must be restarted from the beginning. 3. Taekwondo scoring software is easily copied and stolen. 4. Taekwondo scoring software must be installed on a computer to function, so computer equipment must often be included in the procurement scope when preparing for a competition, increasing the cost. The LED figure-eight display screen can only display numerical information and cannot display text information such as the contestants' names and organizations.

[0003] Chinese invention patent CN202005996U discloses a "Takwondo Competition Wireless Scoring Device," which includes a side-judging operating handle and a host computer terminal containing software. The side-judging operating handle and the host computer terminal transmit scoring signals via a Bluetooth transmitting module and a Bluetooth receiving module. However, this scoring device has significant drawbacks: 1. When using the Bluetooth module, pairing and connecting via Bluetooth is required each time, followed by opening the serial port to establish a data channel, which is very cumbersome. Furthermore, if the connection is lost, it needs to be reconnected, making it inconvenient for users; 2. This handle only has three buttons (1-3 points) and no LCD screen, only meeting the old competition rules and no longer meeting the latest Taekwondo competition rules. It also cannot integrate poomsae scoring and poomsae PK functions into the existing handle, lacking flexibility and applicability. Summary of the Invention

[0004] To address the problems of existing technologies, the technical solution adopted in this invention is as follows: a Taekwondo scoring and timing system integrating visual, inertial sensing, and multi-touch information, comprising an input device, a central processing unit, and an output device interconnected thereto; the input device includes a main keyboard with multiple keys, including a scoring key, a warning key, numeric keys, a start key, and an end key; the input device also includes a visual processor and an inertial sensor, using the visual processor to determine the action state and the inertial sensor to assist in determining whether the action needs to be integrated; the central processing unit includes a CPU connected to a memory, the central processing unit having a dedicated software program embedded in it, and the memory being a non-volatile memory; the output device includes an analog signal output interface and a digital signal output interface.

[0005] Furthermore, there are four edge trimming handles. Each edge trimming handle consists of a handle housing and hardware circuitry housed within the handle housing; the hardware circuitry includes a handle radio frequency wireless transceiver module, a handle main control module, a button group module, a display module, and a buzzer.

[0006] Furthermore, the button group module is connected to the control input terminal of the main control module of the controller; the display output terminal of the main control module of the controller is connected to the display module; and the buzzer output terminal of the main control module of the controller is connected to the buzzer.

[0007] Furthermore, the data output terminal of the controller main control module is connected to the controller radio frequency wireless transceiver module, and the two are connected through an SPI interface; the receiving end consists of a receiving radio frequency wireless transceiver module, a receiving main control module, a USB to serial port module, and a host computer.

[0008] Furthermore, the receiving RF wireless transceiver module wirelessly connects to the RF wireless transceiver modules of all edge-cutting handles; the output of the receiving RF wireless transceiver module is connected to the input of the receiving main control module, and the two are connected via an SPI interface. The output of the receiving main control module is connected to the host computer via a USB-to-serial module.

[0009] Furthermore, the display module is located in the middle of the upper surface of the handle shell, and it can display the scoring status in different modes.

[0010] Furthermore, the button module includes one power button and ten scoring buttons. The power button is located on the upper surface or side of the handle shell; the ten scoring buttons are divided into two groups and located on the left and right sides of the upper surface of the handle shell respectively.

[0011] Compared with the prior art, the advantages and positive effects of the present invention are as follows: This invention provides a Taekwondo scoring and timing system that integrates visual, inertial sensing, and multi-touch information. The system operates in an independent hardware environment, utilizing all CPU system resources, and boasts high speed. If a power outage causes the system to restart, it can complete the startup process within 3 seconds. During competitions, the system does not require a computer connection. Competitor data is downloaded to the system's memory before the competition, and the system directly utilizes this data during the competition. All competition information is stored in the system's memory, allowing it to operate completely independently of a computer. After the competition, the competition information can be uploaded to computer-based backend management software for analysis and processing. The system can operate via a computer monitor, television, or other display screen with a VGA interface, reducing operating costs. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the structure of a Taekwondo scoring and timing system that integrates visual, inertial sensing, and multi-touch information according to the present invention. Detailed Implementation

[0014] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0015] Numerous specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways than those described herein, and therefore the invention is not limited to the specific embodiments disclosed in the following specification.

[0016] Example 1, such as Figure 1 As shown, this application provides a Taekwondo scoring and timing system that integrates visual, inertial sensing, and multi-touch information. It includes interconnected input devices, a central processing unit, and output devices. The input device includes a main keyboard with multiple keys, including a scoring key, a warning key, numeric keys, a start key, and an end key. The central processing unit includes a CPU connected to a memory. The CPU has a dedicated software program embedded in it. The memory is a non-volatile memory. The output devices include an analog signal output interface and a digital signal output interface.

[0017] The input device includes a vision processor and an inertial sensor. The vision processor is used to determine the motion state, and the inertial sensor is used to assist in determining whether the motion needs to be integrated.

[0018] The output device includes a receiver and at least one linesman handle. The number of linesman handles is determined based on the number of referees or actual needs; in this embodiment, there are four linesman handles. Each linesman handle consists of a handle housing and hardware circuitry housed within the housing. The hardware circuitry includes a handle RF wireless transceiver module, a handle main control module, a button group module, a display module, and a buzzer. The button group module is connected to the control input of the handle main control module. The display output of the handle main control module is connected to the display module. The buzzer output of the handle main control module is connected to the buzzer. The data output of the handle main control module is connected to the handle RF wireless transceiver module, and the two are connected via an SPI interface. The receiver consists of a receiving RF wireless transceiver module, a receiving main control module, a USB-to-serial module, and a host computer. The receiving RF wireless transceiver module wirelessly connects to the handle RF wireless transceiver modules of all linesman handles. The output of the receiving RF wireless transceiver module is connected to the input of the receiving main control module, and the two are connected via an SPI interface. The output of the receiving main control module is connected to the host computer via the USB-to-serial module.

[0019] When the main control module of the edge trimmer handle detects a button press, it directly encapsulates the score corresponding to the button into a pre-set transmission protocol and sends it out through the NRF24L01 RF wireless transceiver module with the SPI communication protocol interface. The receiving end's NRF24L01 RF wireless transceiver module receives the sent data and determines whether it matches its address: if it does not match, it discards the data; if it matches, it receives it. At this time, the receiving end's NRF24L01 RF wireless transceiver module connects to the host computer's USB port through the USB-to-serial chip CH340, and the host computer reads the serial port data in real time to complete the wireless communication process of automatic reconnection and data transmission.

[0020] Each edge-cutting handle is equipped with a handle radio frequency (RF) wireless transceiver module that automatically searches for and matches targets. In this invention, the handle RF wireless transceiver module uses an NRF24L01 RF wireless transceiver module as the transmitter to transmit button information wirelessly. Correspondingly, the receiver uses an NRF24L01 receiving RF wireless transceiver module as an adapter to receive signals emitted by the handle RF wireless transceiver module. Since the NRF24L01 wireless modules are all high-power modules, reaching up to 100MW, the wireless transmission distance is greatly increased, the transmission quality is improved, and the reliability of the entire device is enhanced.

[0021] The display module is located in the center of the upper surface of the handle shell, and it can display the scoring status in different modes, such as sparring, poomsae scoring, and poomsae PK modes. In a preferred embodiment of the present invention, the display module is preferably an LCD screen with a size of 46mm*29mm and a pixel size of 128*64, which is connected to the main control circuit to display various information about the competition in real time.

[0022] The button module includes one power button and ten scoring buttons. The power button is located on the upper surface or side of the handle shell. The ten scoring buttons are divided into two groups, one on the left and one on the right of the upper surface of the handle shell. The five scoring buttons in each group are the same color, and each scoring button represents one score. The left and right groups of scoring buttons are different colors. In a preferred embodiment of the invention, the power button is located in the middle of the upper surface of the handle shell, directly below the display module. Of the ten scoring buttons, five red scoring buttons are located on the left side of the upper surface display module of the handle shell, namely red 1 point (min), red 2 points (max), red 3 points (undo), red 4 points (send), and red 5 points; the other five blue buttons are located on the right side of the upper surface display module of the handle shell, namely blue 1 point (min), blue 2 points (max), blue 3 points (undo), blue 4 points (send), and blue 5 points. The 1, 2, 3, and 4 point keys each have a key reuse function. For example, the 1 point key can be reused with the minimum deduction, the 2 point key with the maximum deduction, the 3 point key with the deduction cancellation key, and the 4 point key with the send function. The 5 point key has a reserved reuse function, which can be set according to needs.

[0023] The scoring keys include red team score +, red team score -, blue team score +, and blue team score - keys; the warning keys include red team warning +, red team warning -, blue team warning +, and blue team warning - keys; the numeric keys include 10 numbers from 0 to 9, as well as a clear key and a confirm key. The main keyboard also includes a pause key, a timer key, a back key, and a 10s key. The analog signal output interface includes a VGA display output interface and an audio output interface; the digital signal output interface includes an LED display output interface.

[0024] The system also includes a housing with an outer shell. The main keyboard is located on the upper surface of the housing. Inside the housing are a central processing unit, a memory, and a circuit board with other related functional modules. The input device also includes a power input interface, a USB port, and a referee connection port, all located on the housing's outer shell. The central processing unit is connected to the referee subsystem via the referee connection port. In this embodiment, a 9V DC power supply is connected via the power input interface. The circuit board inside the housing houses a VGA display module, an LED display module, and an audio module. The CPU connects to the VGA display output interface, LED display output interface, and audio output interface located on the housing's outer shell, respectively, via the VGA display module, LED display module, and audio module. The system can operate independently of a computer during competitions, requiring only a connection to a computer monitor, television, or other display with a VGA interface, thus reducing system operating costs.

[0025] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments that can be applied to other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the protection scope of the present invention.

Claims

1. A Taekwondo scoring and timing system integrating visual, inertial sensing, and multi-touch information, characterized in that, The system includes interconnected input devices, a central processing unit, and output devices. The input devices include a main keyboard with multiple keys, including scoring keys, warning keys, numeric keys, a start key, and an end key. The input devices also include a vision processor and an inertial sensor. The vision processor determines the action state, and the inertial sensor assists in determining whether the action requires integration. The central processing unit includes a CPU connected to a memory. The central processing unit has dedicated software programs embedded in it. The memory is non-volatile. The output devices include analog signal output interfaces and digital signal output interfaces.

2. The Taekwondo scoring and timing system integrating visual, inertial sensing, and multi-touch information as described in claim 1, characterized in that, There are four edge trimming handles. Each edge trimming handle consists of a handle shell and hardware circuitry housed within the handle shell; the hardware circuitry includes a handle radio frequency wireless transceiver module, a handle main control module, a button group module, a display module, and a buzzer.

3. The Taekwondo scoring and timing system integrating visual, inertial sensing, and multi-touch information as described in claim 2, characterized in that, The button group module is connected to the control input terminal of the main control module of the gamepad; the display output terminal of the main control module of the gamepad is connected to the display module; and the buzzer output terminal of the main control module of the gamepad is connected to the buzzer.

4. The Taekwondo scoring and timing system integrating visual, inertial sensing, and multi-touch information as described in claim 3, characterized in that, The data output terminal of the controller main control module is connected to the controller radio frequency wireless transceiver module, and the two are connected through an SPI interface; the receiver consists of a receiving radio frequency wireless transceiver module, a receiving main control module, a USB to serial port module, and a host computer.

5. A Taekwondo scoring and timing system integrating visual, inertial sensing, and multi-touch information as described in claim 4, characterized in that, The receiving RF wireless transceiver module wirelessly connects to the RF wireless transceiver modules of all edge-cut handles; the output of the receiving RF wireless transceiver module connects to the input of the receiving main control module, and the two are connected via an SPI interface. The output of the receiving main control module connects to the host computer via a USB-to-serial module.

6. The Taekwondo scoring and timing system integrating visual, inertial sensing, and multi-touch information as described in claim 5, characterized in that, The display module is located in the middle of the upper surface of the handle shell, and it can display the scoring status in different modes.

7. A Taekwondo scoring and timing system integrating visual, inertial sensing, and multi-touch information as described in claim 6, characterized in that, The button module includes one power button and ten scoring buttons. The power button is located on the upper surface or side of the handle shell; the ten scoring buttons are divided into two groups and located on the left and right sides of the upper surface of the handle shell respectively.

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