KR20000049982A - For sports game coordinates and speed the measurement using laser-curtain senser - Google Patents

Abstract

PURPOSE: A laser curtain sensor, which is used for a coordinate for sport game and a speed measurement device, is provided to allow its users to detect a quality, a coordinate and a speed, for various type balls. CONSTITUTION: A laser curtain sensor is characterized by comprising the following components, referring to accompanied figures. The sensor is incorporated into a frame with a rectangular shape to measure X and Y coordinates and speed of any materials penetrated through the frame. An X-axis transducer and an Y-axis receiver are arranged and mounted on both sides of the frame in a same distance. The X-axis transducer includes a transmitter circuit(1) and a laser diode(2), and the Y-axis receiver contains a laser detector(3) and a receiver kit(4). There is also mounted with a guide hole having the function of receiving the signals onto the X- and Y-axis.

Description

Laser curtain sensor for coordinates and speed measuring devices for sports games {For sports game coordinates and speed the measurement using laser-curtain senser}

The present invention relates to a laser curtain sensor used in the coordinates and speed measuring device for sports games, by developing a laser curtain sensor, golf pitcher (game machine) or pitch, coordinates, speed of sports-related exercise machine (game machine) such as baseball, football, table tennis The present invention relates to a laser curtain sensor used in a coordinate and speed measuring device for a sports game that transmits a signal to a main system by measuring a back.

The laser curtain sensor is a device that measures the X, Y coordinates and the velocity of the material passing through the curtain sensor by placing the laser sensor uniformly on the X-axis (horizontal) and Y-axis (vertical) at regular intervals.

Recently, the field of using laser has been widely expanded, and is applied to the medical field in the defense science field, and even widely used in the field of sports science, and thus, the research on the applied field has been expanded in various fields.

Korean Laid-Open Patent Publication No. 98-43332 describes a technique related to a device for adjusting a vehicle gap by sufficiently securing a safety distance of a vehicle using a laser beam,

Korean Laid-Open Patent Publication No. 98-77346 is a displacement measuring sensor using two-wavelength lasers, which has a very high precision, and is used for laser interferometer module for positioning of semiconductor exposure apparatus and geometric precision inspection of machine tool or optical device. Modules can be adjusted to the correct position with respect to the laser beam when assembling, and the technology of the module adjusting device for the laser interferometer is disclosed,

Korean Patent Publication No. 10-209027 discloses an obstacle detection apparatus using diffraction of a laser beam to extend the near detection width by using the diffraction of the front obstacle,

U.S. Patent No. 4,583,733 describes a method of practicing betting by attaching a laser sensor to a home plate, wherein the three beams of the laser are calculated at the moment when the bat passes the beam when swinging to advance the angle, speed, height, and the like. Baseball batting measuring device that calculates and predicts the ball's trajectory is disclosed,

The conventional techniques have been applied to a sports game or practice speed measuring device using a laser, but the application is in the early stage, there has been a problem that is not widely used.

The present invention is to provide a laser curtain sensor used in the coordinates and speed measuring device for sports games that can measure the coordinates and speed by applying the laser curtain sensor to various sports-related exerciser in order to solve the above problems. Is there.

1 is a basic configuration of the laser curtain sensor of the present invention

Figure 2 is a laser curtain sensor of the present invention

Figure 3 is an outline of the laser frame of the present invention

4 is a structural diagram of a frame (PCB) of the present invention.

5 is a flowchart of the laser curtain sensor laser diode of the present invention.

6 is a flowchart of the laser curtain sensor receiver of the present invention.

<Code Description in Drawings>

Transmitter circuit (1), laser diode (2), laser detector (3),

Receiver kit (4), hole (5), frame (6)

In order to achieve the above object, the present invention provides a frame 6 formed in a rectangular shape, and a laser curtain embedded in the frame 6 for measuring the X, Y coordinates and the velocity of the material passed into the frame 6. A sensor and the laser curtain sensor are X-axis transducers and Y-axis receivers, which are uniformly arranged on two sides of the frame 6 at regular intervals, the X-axis transducer 1 and a laser diode for firing. (2), the Y-axis is composed of a laser detector (3) and the receiver kit (4) for receiving the laser fired from the X-axis, and the X and Y axis of the frame (6) to fire or fire It relates to a laser curtain sensor for use in a device for measuring coordinates and speed for a sports game comprising a guide hole (5) for receiving a signal.

When the ball passes into the laser curtain sensor of the present invention, the light emitted from the laser diode 2 of the X axis momentarily interferes with the passing of the ball, and receives the light emitted uniformly from the laser detector 3 of the Y axis. If you amplify the broken light and send it to the meter, the meter analyzes the speed and coordinates, and sends the ball's speed and direction to the meter to help the user analyze his pitch.

The apparatus of the present invention is a device for measuring the coordinates and speed for a sports game that transmits a signal to the main system by measuring the pitch, coordinates, speed, etc. of a sports exerciser (game machine) or a sports exercise machine (game machine) such as baseball, soccer, table tennis, etc. will be.

In the present invention, a signal transmission device is included, and the following three direct transmission devices, encoding transmission devices, and RS-232 and RS-422 signal transmission devices are used for each exerciser.

Direct transmitters transmit one-to-one signals without signal conversion.

Voltage Level Shift and Isolation Circuit are added.

The encoding transmitter sends the sensor signal B ??. Transmit it by converting it to C, D or Binary signal,

RS-232 and RS-422 signal transmission device converts the encoding signal of the sensor into RS-232, RS-422 signal and transmits it.

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

1 is a basic configuration diagram of a laser curtain sensor of the present invention, FIG. 2 is a laser curtain sensor of the present invention, FIG. 3 is an outline view of the laser frame of the present invention, FIG. 4 is a structure (PCB) structure diagram of the present invention, and FIG. 6 is a flowchart of the laser curtain sensor laser diode of the present invention, and FIG. 6 is a flowchart of the laser curtain sensor receiver of the present invention. The transmitter circuitry 1, the laser diode 2, the laser detector 3, and the receiver It can be seen that the circuit 4, the hole 5, and the frame 6 are shown.

Referring to the basic structure of the laser sensor as shown in Figure 1 is composed of a transmitter circuit (1), a laser diode (2), a laser detector (3) and a receiver circuitry (4),

The laser curtain sensor includes the laser sensor of FIG. 1 embedded in the frame of FIG. 4 as shown in FIG. 5, and a predetermined space is formed in a part thereof, and the circuits 1 and 4 are embedded in the space. 4, a laser diode 2 or a laser detector 3 is formed, and the hole 5 is formed so that the laser diode 2 or the laser detector 3 can be detected well.

The frame is formed in a rectangular shape as shown in Fig. 2, and the X-axis and Y-axis transducers installed on two sides and the X-axis transducers and Y-axis receivers installed on two sides are uniformly arranged at regular intervals to pass through the frame. It consists of a structure that measures the X, Y coordinates and the velocity of a substance. When the X-axis transducer fires through the opening 5 formed in the X-axis by the transmitter circuit 1 and the laser diode 2, Y In the axis receiver, the laser detector 3 and the receiver kit 4 receive the shot through the through hole 5 formed in the Y axis to measure X, Y coordinates and speed.

The operation method of the present invention will be described in detail as follows.

When the power is turned on, as shown in FIG. 5, the power control is connected to the feedback circuit, and the laser diode 2 is fired according to the instruction of the laser controller, and the part is returned to the feedback circuit and adjusted by the laser control.

In the laser curtain sensor receiver, when light is emitted from the laser diode 2 and received, it is received by the laser detector 3 as shown in FIG. 6, passes through a primary amplifier, passes through a signal comparator, and then amplifies in a secondary amplifier. After passing the level shift, the signal is transmitted to the measuring instrument. The power source is connected to the primary amplifier when the secondary amplifier, the signal signal and the comparison signal are generated through the power controller.

The present invention as described above is to measure the pitch and coordinate speed using a laser curtain sensor to transmit a signal to the measuring device, it is effective to give a feeling like the actual situation.

Claims (2)

In the laser curtain sensor used in the coordinates and speed measuring device for sports games, The frame 6 is formed in a rectangular shape, the laser curtain sensor embedded in the frame 6 for measuring the X, Y coordinates and the velocity of the material passed into the frame 6, and the laser curtain sensor is the frame ( X-axis transducer and Y-axis receiver, which are arranged uniformly at regular intervals on two sides of 6), and the X-axis consists of a transmitter circuit (1) for transmitting a signal and a laser diode (2) for firing. The Y axis includes a laser detector 3 and a receiver kit 4 for receiving a laser beam emitted from the X axis, and a guide hole for receiving a signal emitted or fired on the X and Y axes of the frame 6. Laser curtain sensor used in the coordinates and speed measuring device for sports games characterized in that it comprises a (5) In the operation method of the laser curtain sensor used in the coordinate and speed measuring device for sports games, On the X-axis that fires the laser, it is connected from the power control to the feedback circuit, and the laser diode (2) fires according to the instructions of the laser controller, and part of the laser is returned to the feedback circuit and adjusted by the laser control. On the Y axis receiving the laser, when light is emitted from the laser diode 2 and received, it is received by the laser detector 3, passes through the primary amplifier, passes through a signal comparator, and then amplifies in the secondary amplifier. After passing through the signal to the measuring device, the power supply is a laser curtain used in the coordinates and speed measuring device for sports games characterized in that the power amplifier is operated when the secondary amplifier, signal and comparison signal generation and connected to the primary amplifier. How the sensor works.