JP2014036820A - Wireless sliding time measurement system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an inexpensive wireless sliding time measurement system that can be installed easily with a large degree of freedom, can perform accurate time measurement, and can be used in practice by a small number of athletes or in an official games.SOLUTION: A wireless sliding time measurement system is composed of a start part 10, a goal part 20, and a time display part 30 in each of which first to third wireless machines 10A-30A are provided. The first wireless machine 10A transmits a start signal using an electric wave when it is input to a microphone terminal. The second wireless machine 20A transmits a goal signal using an electric wave when it is input to the microphone terminal. A time display unit 30B commences the actuation of a timer when it discriminates a start signal from a sound signal from an earphone terminal of the third wireless machine 30A. The time display unit 30B stops the actuation of the timer when it discriminates a goal signal from the sound signal from the earphone terminal of the third wireless machine 30A, and outputs and displays the timer time at the moment in the display part as a time measurement result.

Description

  The present invention relates to a wireless running time measuring system, and more particularly to a wireless running time measuring system suitable for ski and snowboard competitions performed on snow.

  Conventionally, in a skiing time measurement system used in skiing and snowboarding competitions performed on snow, the start sensor detects the passage of the starting gate installed at the start point and starts measuring time. Then, the goal sensor installed at the goal point detects that the player has finished, finishes the time measurement, calculates the required time at the time display point, and displays it on the time display board. . Usually, in such a sliding time measurement system, a start point (start sensor), a goal point (goal sensor), and a time display unit are connected by wire. In the case of such a wired system, it takes a lot of time and labor to install the device, and the device is also expensive. Therefore, such a measurement system is actually used only in competitions.

  On the other hand, in practice, the measurement system as described above is rarely used because it is expensive. Generally, the person at the starting point carries the walkie-talkie, the person at the finishing point carries the walkie-talkie and stopwatch, and at the start, the person at the starting point uses the walkie-talkie to start the person at the goal point The person who is at the goal point operates the stopwatch to start time measurement, and the person who is at the goal point operates the stopwatch at the time of the goal to finish time measurement, and the time from the start to the goal is Measuring. Therefore, the work related to the measurement operation is complicated, and accurate time measurement is difficult.

  SUMMARY OF THE INVENTION An object of the present invention is to provide an inexpensive wireless running time measurement system that can be installed easily, has a high degree of freedom, and can accurately measure time, and can be used in practice for a small number of people or in competitions.

In order to achieve the above object, in the wireless sliding time measuring system of the present invention,
It consists of a start part installed around the start point, a goal part installed around the goal point, and a time display part installed at the time display point.
The start unit detects the passage of the athlete at the starting gate and outputs a passage detection signal; and upon receiving the passage detection signal from the start sensor, generates a start signal as a sound signal and outputs the start unit. And a first radio device capable of voice communication that transmits a start signal by radio waves when a start signal from the start unit is input from the microphone terminal.
The goal unit includes a goal sensor that detects passage of a goal player and outputs a passage detection signal, a goal unit that generates and outputs a goal signal as a sound signal when receiving the passage detection signal from the goal sensor, and a goal unit When a goal signal from the microphone is input from the microphone terminal, the second signal is transmitted from the radio terminal, and the goal signal is transmitted by radio waves.
When the time display unit identifies the start signal from the sound signal from the third wireless device that outputs the received sound signal from the earphone terminal and the third wireless device capable of voice communication, the time display unit starts time measurement. When the goal signal is identified from the sound signal from the third wireless device, the time measurement is terminated, and the time display unit is configured to display and output the time from the start to the end of the time measurement.

  The first to third radio devices are transceivers or low power transceivers.

  According to the present invention, the wireless system using a wireless device is easy to install and has a high degree of freedom of installation, and the time is measured automatically mechanically, so that accurate time measurement can be performed. In addition, since a commercially available transceiver can be used as the wireless device, it can be configured at low cost. By using a commercially available low-power transceiver as a transceiver, it can be used without obtaining a license. Therefore, it can be used for small-scale practice and competitions.

  1 is an overall configuration diagram of a system according to the present invention.   It is a block diagram of the start part which concerns on this invention.   It is a block diagram of the goal part which concerns on this invention.   It is a block diagram of the time display part which concerns on this invention.   It is an operation | movement flow of the start unit which concerns on this invention.   It is an operation | movement flow of the goal unit which concerns on this invention.   It is an operation | movement flow of the time display unit which concerns on this invention.

  Hereinafter, embodiments will be described in detail with reference to the drawings. As shown in FIG. 1, the wireless sliding time measuring system of the present invention includes a start unit 10 installed around the start point, a goal unit 20 installed around the goal point, and a time installed at the time display point. The display unit 30 is configured.

  As shown in FIG. 2, the start unit 10 includes a first wireless device 10A, a start unit 10B, and a start sensor 10C. Signal lines are connected between the microphone terminal of the first wireless device 10A and the start unit 10B, and between the start unit 10B and the start sensor 10C. Each signal line is freely connectable.

  The start sensor 10C detects the passage of the athlete at the starting gate and outputs a passage detection signal to the start unit 10B.

  The start unit 10B includes an ID setting switch (not shown). When the start unit 10B receives the passage detection signal from the start sensor 10C as in the operation flow shown in FIG. 5, the start unit 10B generates a start signal by a sound signal (electronic sound) and sends it to the microphone terminal of the first radio device 10A. Output. The start signal includes the ID code set by the ID setting switch. The number set with the ID setting switch is the competitor's number.

  The first wireless device 10A is composed of a transceiver capable of voice communication or a low power transceiver. 10 A of 1st radio | wireless machines transmit with a radio wave, when the start signal which consists of a sound signal output from the start unit 10B is input from the microphone terminal.

  As shown in FIG. 3, the goal unit 20 includes a second radio device 20A, a goal unit 20B, and a goal sensor 20C. Signal lines are connected between the microphone terminal of the second radio device 20A and the goal unit 20B, and between the goal unit 20B and the goal sensor 20C. Each signal line is freely connectable.

  The goal sensor 20C transmits, for example, infrared rays to the mirror 20D and receives reflected light from the mirror 20D. The goal sensor 20C detects passage of the reflected light when the player passes and finishes, and detects passage. A signal is output to the goal unit 20B.

  When the goal unit 20B receives the passage detection signal from the goal sensor 20C as in the operation flow shown in FIG. 6, the goal unit 20B generates a goal signal from the sound signal (electronic sound) and sends it to the microphone terminal of the second radio device 20A. Output.

  The second radio device 20A is constituted by a transceiver capable of voice communication or a low power transceiver. The second radio device 20A transmits a goal signal composed of a sound signal output from the goal unit 20B by radio waves when it is input from the microphone terminal.

  As shown in FIG. 4, the time display unit 30 includes a third wireless device 30A and a time display unit 30B. A signal line is connected between the earphone terminal of the third wireless device 30A and the time display unit 30B. The signal line is freely connectable.

  The third radio 30A is configured by a transceiver capable of voice communication or a low power transceiver. When receiving the sound signal transmitted wirelessly from the first and second wireless devices 10A and 20A, the third wireless device 30A outputs the sound signal from the earphone terminal to the time display unit 30B.

  When the time display unit 30B identifies the start signal from the sound signal output from the earphone terminal of the third radio device 30A as in the operation flow shown in FIG. 7, the timer display starts, and then the third radio device 30A. When the goal signal is identified from the sound signal output from the earphone terminal, the timer stops operating, the timer time at that time is stored as a time measurement time, and the ID code and time measurement are stored in the storage unit (not shown) together with the ID code. The time is displayed on the display unit. The recorded time is displayed on the time display unit 30B as shown in FIG. 4, and the player can know the measured time.

  As the storage unit, an EEPROM or the like that retains stored data even when the power is turned off is used. Further, by enabling the external communication connection of the storage unit, the stored measurement time data can be output to an external personal computer or the like for detailed analysis and display. In addition, a clock is provided in place of the timer, the start time when the start signal is received is stored in the storage unit, the end time when the goal signal is received is stored in the storage unit, and the stored start is stored. The time from the time to the end time may be calculated and used as the time measurement time. Each of the units 10B, 20B, 30B, the sensors 10C, 20C, and the first to third wireless devices are battery-driven.

  Next, an actual time measuring method will be described.

  In using the wireless running time measuring system of the present invention, as shown in FIG. 1, each device 10A, 10B, 10C constituting the start unit 10 is installed around the start point, and the goal is set around the goal point. The devices 20A, 20B, 20C constituting the unit 20 are installed, the devices 30A, 30B constituting the time display unit 30 are installed at the time display point, and the power of each device is turned on.

  Next, using the ID setting switch of the start unit 10B, for example, “24” is set as the competitor number.

  When the 24th player passes the starting gate, the start sensor 10C detects this and outputs a passage detection signal to the start unit 10B. When the start unit 10B receives the passage detection signal from the start sensor 10C, the start unit 10B generates a start signal including the ID code “24” as a sound signal (electronic sound) and supplies the start signal to the microphone terminal of the first radio device 10A. Is output. When the first wireless device 10A is input to the microphone terminal, it transmits a start signal by radio waves. When receiving the sound signal wirelessly transmitted from the first wireless device 10A, the third wireless device 30A outputs the sound signal from the earphone terminal to the time display unit 30B. When the time display unit 30B identifies the start signal from the sound signal output from the earphone terminal of the third wireless device 30A, the time display unit 30B recognizes the ID code “24” and starts the operation of the timer.

  When the 24th player passes the goal, the goal sensor 20C outputs a passage detection signal to the goal unit 20B. When the goal unit 20B receives the passage detection signal from the goal sensor 20C, the goal unit 20B generates a goal signal as a sound signal (electronic sound) and outputs the goal signal to the microphone terminal of the second radio device 20A. The second radio device 20A transmits a goal signal by radio waves when input to the microphone terminal. When receiving the sound signal wirelessly transmitted from the second wireless device 20A, the third wireless device 30A outputs the sound signal from the earphone terminal to the time display unit 30B. When the time display unit 30B identifies the goal signal from the sound signal output from the earphone terminal of the third wireless device 30A, the time display unit 30B stops the operation of the timer. The time display unit 30B stores the timer time at that time as the time measurement time together with the ID code in the storage unit, and further stores the ID code “24” and the time measurement time “1 minute 12 seconds 56” as shown in FIG. Display output on the display. As a result, the 24th competitor can know his run time.

  In the time measurement system according to the present invention, the start unit 10 installed around the start point, the goal unit 20 installed around the goal point, and the time display unit 30 installed at the time display point are wirelessly connected to each other. By providing a machine and making it wireless, installation is easy and the degree of freedom of installation is great, and accurate time measurement is possible because the time is automatically measured mechanically. In addition, since a commercially available transceiver can be connected and used as a wireless device, a dedicated wireless device is unnecessary and can be configured at low cost. Of course, by removing the connection, you can use it as a transceiver. By using a commercially available low-power transceiver as a transceiver, it can be used without obtaining a license. Therefore, it can be used for small-scale practice and competitions.

DESCRIPTION OF SYMBOLS 10 Start part 20 Goal part 30 Time indication part 10A 1st radio | wireless machine 10B Start unit 10C Start sensor 20A 2nd radio | wireless machine 20B Goal unit 20C Goal sensor 30A 3rd radio | wireless machine 30B Time display unit

Claims (2)

In a wireless sliding time measuring system composed of a start part installed around the start point, a goal part installed around the goal point, and a time display part installed at the time display point,
The start part
A start sensor that detects the passage of the athlete at the starting gate and outputs a passage detection signal; a start unit that generates and outputs a start signal as a sound signal upon receipt of the passage detection signal from the start sensor; and the start sensor A first wireless device capable of voice communication that transmits the start signal by radio wave when a start signal from the unit is input from the microphone terminal;
The goal part is
A goal sensor that detects the passage of a goal player and outputs a passage detection signal; a goal unit that generates and outputs a goal signal using a sound signal when receiving a passage detection signal from the goal sensor; and A second wireless device capable of voice communication that transmits the goal signal by radio wave when the goal signal is input from the microphone terminal;
The time display unit
When the received sound signal is output from the earphone terminal and the third wireless device capable of voice communication and the start signal is identified from the sound signal from the third wireless device, the time measurement is started, and then the third wireless device is started. A wireless system comprising: a time display unit that ends time measurement when the goal signal is identified from a sound signal from a wireless device, and displays and outputs the time from the start to the end of the time measurement Glide time measurement system.   The wireless sliding time measuring system according to claim 1, wherein the first to third wireless devices are transceivers or low-power transceivers.

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