JP2674590B2 - Start practice device and start practice system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a laser irradiation device for irradiating a plurality of laser beams on an approaching waterway in front of a start line which is separated from each other by different distances from each other.
It is mounted on a boat and is used when practicing a start in a boat racing, and a start practice device that predicts the presence or absence of flying from the boat's time information obtained by receiving multiple laser beams. Regarding the prepared start practice system. The present invention also relates to the start practice device.

[0002]

2. Description of the Related Art As an example of using a laser beam for a boat race (boat race), for example, Japanese Patent Laid-Open No. 61-13178.
No. 1 publication proposes forming a start frame in a boat race using laser light.

Referring to FIG. 2, a conventional start practice system is mounted on a boat (boat) 17 and
Onboard equipment (start practice equipment) 10 used when practicing a start in a boat race and before the start line 1 apart from the start line 1 by different first, second and third distances. First on the runway,
The ground equipment including the first, second, and third laser irradiators 2, 3, and 4 for irradiating the second and third lasers (light) 6, 7, and 8.

The ground device further displays a start time (start timing) in the form of the remaining time up to the start time and informs the boat operator of the boat 17 of the start time, and from the start line 1 the first, second, and Third laser (light) 6, 7,
And a reset laser irradiator 21 that irradiates a reset laser (light) 22 on the approaching waterway before the start line 1 and a controller 26 that is connected to the large clock 24 and controls the reset laser irradiator 21. And have.

The on-board device (start practice device) 10 is
From the time when the boat operator receives the first, second, and third lasers (lights) 6, 7, and 8 during the approach of the boat 17 started by seeing the display on the large clock 24, the start timing indicated by the large clock 24 is compared. The presence or absence of flying is predicted, and when the presence of flying is predicted, an alarm is issued to the boater.

Next, the on-board device (start practice device) 10
Will be described in detail.

The calculation unit 12 of the on-board device (start practice device) 10 stores in advance the first, second, and third distances. First, the control unit 26 drives the reset laser irradiator 21 at the same time as the start of the large clock 24, and the boat 1
The laser light (reset) 22 for resetting is applied to the light receiving section 11 mounted on the No. 7 unit. When the light receiving unit 11 is irradiated with the reset laser (light) 22, the calculation unit 12 causes the internal timer 1 to operate.
8 is reset and started, and time counting until the start time is started. After the boat 17 has started from the pit, the light receiving unit 1
When 1 receives the first, second, and third lasers 6, 7, and 8 emitted by the first, second, and third laser irradiators 2, 3, and 4, the arithmetic unit 12 causes the first An internal timer 18 indicates when the first, second, and third lasers 6, 7, and 8 have passed.
When the speed and acceleration of the boat 17 are calculated from these times and the first, second, and third distances, the arrival time to the start line is predicted, and it is predicted that the aircraft is flying. The alarm generation unit 16 is caused to generate a flying alarm.

[0008]

The problem with the on-board device (start practice device) 10 in such a conventional start practice system is that the start practice can only be performed at the start time determined by the large clock 24. First, boat 17 is unable to practice starting at its own timing. The reason is that there is only the large clock 24 that informs the athlete of the start time.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a start practice device that allows a boat to practice start at its own timing regardless of the movement of a large clock.

Another object of the present invention is to provide a start practice system in which a boat can practice start at its own timing regardless of the movement of a large clock.

[0011]

According to the present invention, there is provided a start practice device mounted on a boat and used when the boat is practicing a start in a racing race, the start practice devices being different from each other from the start line. The start practice described above that operates in cooperation with a laser irradiation device that irradiates the first to Nth laser beams onto the approaching waterway in front of the start line that is separated by a distance of 1st to Nth (N is an integer of 2 or more) In the device, an operable switch means operated by the boater of the boat to practice the start, and a clock for displaying the remaining time until the start time to the boater of the boat when receiving a start signal, A calculator connected to the switch means and the timepiece, resetting and starting an internal timer and giving the start signal to the timepiece when the switch means is operated; The light receiving unit receives the first to Nth laser light when the vehicle is running through the approach waterway toward the start line, and a flying warning generation unit, and the arithmetic unit includes the light receiving unit and the light receiving unit. It is also connected to the flying warning generation unit, and the first to Nth
Of the first to N-th times when the light-receiving unit receives the first to N-th laser lights, by referring to the internal timer, Of the speed and acceleration of the boat from the time and the first to Nth distances, the arrival time to the start line is predicted, and when it is predicted that the boat is flying, a flying warning is issued to the flying warning generation unit. A device for starting practice is obtained, which is characterized in that

Further, according to the present invention, the laser irradiation device also has a function of irradiating a start line laser beam on the start line water surface, and the start practice device further sets a start timing to the boat of the boat. It has a display unit for displaying in hand, the arithmetic unit is also connected to the display unit, knows the time when the light receiving unit receives the start line laser beam, by referring to the internal timer, and displays the time on the display unit. A device for starting practice, characterized in that this time is displayed as the start timing, is obtained.

Further, according to the present invention, a start practice device mounted on a boat and used when the boat is practicing a start in a boat race, and first to N (N) different from the start line. Is an integer greater than or equal to 2).
And a laser irradiation device for irradiating the laser beam, wherein the start practice device operates in cooperation with the laser irradiation device, wherein the start practice device is the boat operator of the boat. Operable switch means to be operated when practicing a start, a clock for displaying the remaining time until the start time to the boat hand of the boat upon receiving a start signal, and the switch means and the clock connected to the clock, When the switch means is operated, the internal timer is reset and started, and the operation signal for giving the start signal to the timepiece is provided; and when the boat is approaching the runway toward the start line, the first to It has a light-receiving part which receives the said Nth laser beam, and a flying alarm generation part, The said arithmetic part is the said light-receiving part and the said flying alarm generation part. Is also connected, the first to Nth distances are stored in advance, and the first to Nth times when the light receiving unit receives the first to Nth laser beams are used as the internal timer. , The speed and acceleration of the boat are calculated from the first to Nth times and the first to Nth distances to predict the arrival time to the start line, and There is provided a start practice system characterized by causing the flying warning generation unit to generate a flying warning when predicted.

Further, according to the present invention, the laser irradiation device also has a function of irradiating a start line laser beam on the start line water surface, and the start practice device further sets a start timing of the boat of the boat. It has a display unit for displaying in hand, the arithmetic unit is also connected to the display unit, knows the time when the light receiving unit receives the start line laser beam, by referring to the internal timer, and displays the time on the display unit. A start practice system characterized in that this time is displayed as the start timing is obtained.

[0015]

As described above, according to the present invention, the start practice device is provided with the switch means by which the boat operator of the boat can reset and start the internal timer of the arithmetic unit at its own timing, and the start and start of the internal timer. At the same time, by providing a clock that moves in the same way as a large clock, the boater will be able to practice starting independently.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings.

Referring to FIG. 1, a start practice system according to an embodiment of the present invention is mounted on a boat 17 and is used as an on-board device (start practice for practice of starting a boat 17 in a boat race. Device) 10,
First, second, and third lasers (lights) 6, 7, and 8 are placed on the runway in front of the start line 1 that is separated from the start line 1 by different first, second, and third distances. And a laser irradiation device having first, second, and third laser irradiation devices 2, 3, and 4 for irradiation. In this start practice system, unlike the conventional start practice system shown in FIG. 2, the ground device is provided with only the laser irradiation device described above.

The on-board device (start practice device) 10 is
It operates in cooperation with the laser irradiation device. The on-board device (start practice device) 10 includes a reset unit 13 which is a switch means that can be operated by a boatman of the boat 17 when he or she practices to start, and a large clock 24 when receiving a start signal.
A clock 14 that performs the same movement as the timekeeping of (FIG. 2) and displays the remaining time until the start time on the boat of the boat 17, and the reset unit 13 and the clock 14, and when the reset unit 13 is operated, A calculation unit 12 that resets and starts the internal timer 18 and gives the start signal to the timepiece 14;
The light receiving unit 11 for receiving the first, second, and third lasers (lights) 6, 7, and 8 when the boat 17 is approaching the start line 1 toward the start line 1 and the alarm generating unit 16 are provided. Have

The arithmetic unit 12 has a storage unit (not shown) which stores the first, second, and third distances in advance.
Is also connected to the light receiving unit 11 and the alarm generating unit 16, and the light receiving unit 11 receives the first, second, and third lasers (lights) 6, 7, and 8; , And the third time with reference to the internal timer 18, the first, second,
And a third time and the first, the second, and the third distance, the speed and acceleration of the boat 17 are calculated, the arrival time to the start line 1 is predicted, and when it is predicted as flying, The alarm generation unit 16 is caused to generate a flying alarm.

In this start practice system,
The laser irradiation device also has a start laser irradiator 5 that irradiates a start laser (start line laser beam) 9 on the water surface of the start line 1. The onboard device (start practice device) 10 further has a display unit 15 for displaying the start timing to the boater of the boat 17. Operation unit 12 of on-board device (start practice device) 10
Is also connected to the display unit 15, and knows the time when the light receiving unit 11 receives the start laser (start line laser light) 9 by referring to the internal timer 18, and the display unit 15 uses the time as the start timing. To be displayed on the boat.

Next, the on-board device (start practice device) 10
Will be described in detail.

First, the boater of the boat 17 has a reset portion 13 of the mounting device (start practice device) 10 at an original timing.
When operated, the arithmetic unit 12 causes the internal timer 1 to operate.
8 is reset and started, and time counting until the start time is started. The arithmetic unit 12 also activates the clock 14 at the same time when the internal timer 18 is started.

Next, the boater of the boat 17 heads to the start line 1 while looking at the clock 14 and travels in the approach waterway, and the light receiving unit 11 causes the first, second, third, and start laser irradiators. The laser light emitted by 2, 3, 4, and 5 is received. The calculation unit 12 calculates the speed and acceleration of the boat 17 from the time when the first, second, and third lasers (lights) 6, 7, and 8 have passed, and calculates the start line 1
If you predict the arrival time to
The alarm generation unit 16 is caused to generate a flying alarm. Also,
The display unit 15 displays the time when the laser passes through the start laser (start line laser light) 9 and informs the athlete of the start timing.

[0024]

As described above, according to the present invention, there is provided a start practice device which enables a boat to practice starting at its own timing regardless of the movement of the large clock.

Further, according to the present invention, there is provided a start practice system in which a boat can practice start at its own timing regardless of the movement of the large clock.

That is, according to the present invention, the start practice device includes switch means for allowing the boat operator of the boat to reset and start the internal timer of the arithmetic unit at a unique timing, and at the same time when the internal timer is started. By providing a large clock and a clock that moves in the same manner, the boater can independently perform start practice.

According to the present invention, it is not necessary to operate the large clock and the control unit serving as its interface when practicing the start.

[Brief description of the drawings]

FIG. 1 is a configuration diagram conceptually showing a start practice system according to an embodiment of the present invention.

FIG. 2 is a block diagram conceptually showing a conventional start practice system.

[Explanation of symbols]

 1 Start line 2 First laser irradiation device 3 Second laser irradiation device 4 Third laser irradiation device 5 Start laser irradiation device 6 First laser (light) 7 Second laser (light) 8 Third laser (light) 9 Start laser (Start line laser beam) 10 On-board device (start practice device) 11 Light receiving part 12 Computing part 13 Reset part (operable switch means) 14 Clock 15 Display part 16 Alarm issuing part 17 Boat 18 Internal timer 21 Reset laser irradiator 22 reset laser (light) 24 large clock 26 controller

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical display location G07C 1/22 G07C 1/22

Claims (4)

(57) [Claims] 1. A start practice device mounted on a boat and used when the boat practices practice in a boat racing, the first practice device being different from the start line.
To the N-th (N is an integer of 2 or more) distance, and the start practice device that operates in cooperation with the laser irradiation device that irradiates the first to N-th laser beams on the approaching waterway in front of the start line In which the boat operator of the boat operates to practice the start, a clock for displaying the remaining time until the start time when the boat receives a start signal, and the switch. Means and the timepiece, and when the switch means is operated, resets and starts an internal timer and gives the start signal to the timepiece, and the boat moves the runway toward the start line. The light receiving unit receives the first to Nth laser beams when running, and the flying alarm generation unit, and the arithmetic unit includes the light receiving unit and the fly. The first to Nth distances are stored in advance and the light receiving section receives the first to Nth laser beams and is connected to the alarm unit. The time is known by referring to the internal timer, and the speed and acceleration of the boat are calculated from the first to Nth times and the first to Nth distances to determine the arrival time to the start line. A device for practicing start, wherein a flying warning is generated in the flying warning generation unit when it is predicted and flying is predicted. 2. The laser irradiation device also has a function of irradiating a start line laser beam on the water surface of the start line, and the start practice device further displays a start timing for a boater of the boat. The calculation unit is also connected to the display unit, knows the time when the light receiving unit receives the start line laser light by referring to the internal timer, and displays the time on the display unit. The device for starting practice according to claim 1, wherein the device is displayed as a start timing. 3. A start practice device which is mounted on a boat and which is used when the boat is practicing a start in a boat racing, and first to Nth (N is an integer of 2 or more) different from the start line. ), A laser irradiation device for irradiating the first to Nth laser beams on the approaching waterway in front of the start line, the start practice device operating in cooperation with the laser irradiation device. In the practice system, the start practice device includes an operable switch means operated by the boat operator when performing the start practice, and a remaining time until the start time when the boat receives a start signal. A watch displayed on the boat, the switch means and the watch connected to the watch, and when the switch means is operated, the internal timer is reset and started and A calculation unit for giving the start signal to the watch; a light receiving unit for receiving the first to Nth laser beams when the boat is running in the approach waterway toward the start line; and a flying warning generation unit. And the arithmetic unit is also connected to the light receiving unit and the flying alarm generation unit, and stores the first to Nth distances in advance, and the light receiving unit has the first to Nth distances. The first to N-th times when the N-th laser light is received are known by referring to the internal timer, and the boat time is determined from the first to N-th times and the first to N-th distances. A system for starting practice, which calculates a speed and an acceleration, predicts an arrival time to the start line, and causes a flying warning to be generated in the flying warning generation unit when a flying warning is predicted. 4. The laser irradiation device also has a function of irradiating a start line laser beam onto the water surface of the start line, and the start practice device further displays a start timing for a boater of the boat. The calculation unit is also connected to the display unit, knows the time when the light receiving unit receives the start line laser light by referring to the internal timer, and displays the time on the display unit. The start practice system according to claim 3, wherein the system is displayed as a start timing.