JPH0524683U - Infrared remote control device - Google Patents

Abstract

(57) [Summary] [Purpose] While preventing electromagnetic interference from nearby electromagnetic wave transmission devices and enabling safe work to be performed, the device is miniaturized to prevent electromagnetic wave interference and transmission. Provided is an infrared type remote control device in which the received range of the received infrared light extends in all directions. A portable transmitter is provided with a light emitting diode for transmitting infrared light as a control signal, a light receiver for receiving infrared light is provided on each side surface of the receiver, and a light receiving diode is provided on a surface orthogonal to the side surface of the receiver. A light receiving device for receiving infrared light is provided, and the light receiving range of the receiving device is configured to cover all directions.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention is an infrared remote control in which a control signal light emitted from a portable infrared light emitting device is received by a light receiving device provided in a work automation device and a control signal is input to the work automation device. Regarding the device.

[0002]

[Prior Art]

 In order to protect the health of workers who work in adverse environments and to protect workers who work in dangerous environments from danger, remote control devices have been applied, which promotes automation of work devices. ing. Similarly, at the construction site, the transfer equipment for goods and the automation of the lifting device are promoted, and the electromagnetic wave control signal transmitted from the portable transmitter is received by the transferring device and the lifting device. The device receives the signal and the transfer device and the lifting device operate according to the control signal.

[0003] For example, in a construction site, when a steel crane is hoisted from the ground by a tower crane, or a concrete panel (hereinafter, referred to as a PC plate) preliminarily manufactured in a factory is hoisted, The worker who is present emits an electromagnetic wave from a portable wireless transmitter to the receiver of the PC board reversing device suspended on the tower crane, and the operation is remotely controlled by the control signal output from the receiver that receives this electromagnetic wave. I am trying to do it.

[0004]

[Problems to be solved by the device]

 However, in the above-described remote control method using electromagnetic waves, electromagnetic waves emitted from the transmitting device may cause electromagnetic interference to electronic devices existing in the vicinity of the device, while there is a wireless device using a similar frequency band in the vicinity. However, there is a possibility of interference with the signal transmitted from this wireless device, and therefore there is a risk that the PC board reversing device may malfunction. Since the interference preventing device for preventing such interference trouble is provided in the receiving device of the PC board reversing device, not only is it impossible to downsize the entire device, but there is also a problem that the cost increases. In addition, the electromagnetic wave generator installed in the transmitter is designed to shorten the reach of electromagnetic waves in order to prevent electromagnetic interference, but the reach becomes longer at construction sites such as high-rise buildings. There is also a problem in that it is attenuated, which hinders smooth operation.

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to prevent electromagnetic interference due to an electromagnetic wave type transmission device existing in the vicinity to enable safe work to be performed. The aim is to provide an infrared remote control device that is compact in size, does not cause electromagnetic interference, and has a reception range for the transmitted infrared light in all directions.

[0006]

[Means for Solving the Problems]

 The infrared remote control device of the present invention allows a receiving device installed in a work automation device to receive a control signal transmitted wirelessly from a portable transmission device and use the operation signal of the work automation device as a control signal. In a remote control device that controls in accordance with the above, a light emitting diode that emits infrared light as a control signal is installed in the portable transmitter, and the infrared light is received on each side of the receiver installed in the work automation device. In addition to providing a light receiver for receiving infrared light on a surface orthogonal to the side surface of the receiving device, the light receiving range of the receiving device is configured to cover all directions. Is.

[0007]

[Action]

 Infrared light emitted from the light emitting diode of the portable transmitter is received by the light receiver provided in the receiver, and this is output as a control signal to the automated work device.

[0008]

【Example】

 Hereinafter, details of the present invention will be described with reference to the embodiments shown in the accompanying drawings. FIG. 1 (A) is a diagram for schematically explaining the features of the embodiment applied to a PC board reversing device as one embodiment of the present invention, and FIG. 1 (B) is a light receiver provided in the receiving device of the device. FIG. 1 (C) is a front view of the arrangement, FIG. 2 (A) is an external perspective view of the portable transmitter, and FIG. 2 (B) shows the light receiver mounted on the support substrate. FIG. 3 is a perspective view seen from below, FIG. 3 is a circuit diagram of the portable transmitter, and FIG. 4 is a circuit diagram of the receiver.

In FIGS. 1 (A) to 1 (C), in the center of the four side surfaces of the receiving device 20 shown by the dotted line installed in a PC board reversing device (not shown), the red light transmitted toward these side surfaces is transmitted. Receivers 23A, 23B, 23C, and 23D incorporating light-receiving diodes 25A to 25D (see FIG. 4) that receive external light are provided, and the infrared light transmitted from below is provided on the lower surface thereof. A light receiver 23E incorporating a light receiving diode 25E (see FIG. 4) for receiving light is provided. Then, the infrared light transmitted from the portable transmitter 1 held by the worker 11 on the ground is received by the light receiver 23E, or the infrared light transmitted by the worker 12 in the building 10 under construction is held. The infrared light transmitted from the transmitter 1 is received by the light receiver 23B. Further, the light receivers 23A, 23C and 23D receive infrared light transmitted from the portable transmitters 1 ... That is, the light receiving range of the light receivers 23A to 23D provided on the four side surfaces of the receiving device 20 extends over the entire circumference of 360 degrees, and the light receiving range of the lower light receiver 23E extends over the entire lower region opposite thereto. is there.

In FIG. 2A, it will be apparent from the description of FIG. 3 described later that the portable transmitter 1 has switches 2 ... A matrix-type switch 4 including command switches 3 for instructing a command to wind and unwind an article is provided, and a light emitting diode that emits infrared light, a light transmitting circuit, and the like are further provided.

In FIG. 2B, infrared light receivers 23A to 23D having a condenser lens 21 for expanding the light receiving range are attached to the central portions of the four sides of the upper support substrate 22A of the receiving device 20, and A light receiver 23E that receives infrared light transmitted from below is attached to the central portion of the lower surface of the lower support substrate 22B that is hung from the upper support substrate 22A by four columns, and further, the upper support substrate 22A. A receiving circuit 24 described later is installed on the upper surface of the.

In FIG. 3 showing a circuit diagram of the portable transmitter 1, when the command switch 3 ... Of the matrix type switch 4 is selected and operated, the selected switch is selected from the transmitting IC circuit 5 that identifies the switch. A specific modulation control signal 9 corresponding to the switch is input to the base of the amplifying transistor 6, and when it is turned on or off, infrared light 8 of 940 nm is transmitted from the light emitting diode 7.

In FIG. 4 showing a receiving circuit diagram of the receiving device, an amplified received signal 31 from an amplifier 26 for amplifying an output signal thereof is provided with a light receiving diode 25 for receiving the transmitted infrared light 8. The detected signal 32 is detected by the detection circuit 27, the detected signal 32 is waveform-shaped by the waveform shaping circuit 28, the waveform 33 is input to the code identification circuit 29, and a PC board inverting device described later is used as a control signal corresponding to the selected switch. Input to the drive controller (not shown). A battery 30 for supplying operating power is provided to the amplifier 26 to the code identification circuit 29.

An example in which the operation of the device configured as described above is applied to a PC plate reversing device will be described. First, the structure of the device will be described with reference to FIG. The hook 41 of the electric PC plate reversing device 43 is suspended via the rope 42, and the receiving device 20 described above is provided on the lower surface of the PC plate reversing device 43, while the wire The ropes 44, 44 support both ends of the hanging jig 45, and the ends of the wire ropes 46, 46 hanging from both ends of the hanging jig 45 have a hanging tool on one side of the PC board 47 (see FIG. 6). ) Is locked. Then, the wire ropes 49, 49 locked to the suspenders 48, 48 provided on both ends of the other side of the PC plate 47 are hung on the hook 50, and the chain 51 supporting the hook 50 is a PC. It is wound around a rotary winding cylinder (not shown) of the plate reversing device 43.

When the PC board 47 supported in this way is lifted from the ground and inverted, the portable transmitter 1 held by the worker 12 in the steel building 10 under construction is turned upside down. When pointing to the light receiver 23E of the receiving device 20 attached to the lower surface of the device 43 and selecting and operating the command switch 3 for instructing the unwinding, the transmitting IC circuit 5 identifies this and responds to this. A control signal is input to the transistor 6, and infrared light is transmitted from the light emitting diode 7.

The output signal from the light receiving device 23E having the light receiving diode 25 which receives the light is received by the amplifier 26, the received signal 31 is detected by the detecting circuit 27, and the detected signal 32 is shaped by the waveform shaping circuit 28. The waveform-shaped waveform 33 is input to the code identification circuit 29, from which it is input as a control signal for unwinding to a control device (not shown) of the PC board reversing device 43 to control the rewinding of the chain 51. To do. As a result, as shown in FIG. 6, the chain 51 is wound down, the hook 50 is lowered, and the PC board 47 is inverted to be in the upright state.

In the above-described embodiment, the example in which the light receiver 23E is provided on the lower surface of the receiving device has been described. However, the light receiver is provided on the upper surface thereof, and the infrared light transmitted from the upper portion toward the light receiver is provided. It is also possible to configure so as to receive light and to allow the light receiving range of the receiving device to cover all directions. In addition, when the above-mentioned remote control device is used for plastering a floor, or when lifting a steel frame by a crane, the steel rope automatic ball removal to remove the wire rope that is hung so as not to lose its center of gravity Needless to say, the present invention can be applied to a device, a cradle ball signal transmission device, and a work automation device such as a construction robot.

[0018]

[Effect of the device]

 As described above, according to the present invention, the portable transmitter is provided with the light emitting diode for transmitting the infrared light as the control signal, and the receiver is provided with the light receiver for receiving the light transmitted from the light emitting diode. Since it is configured to send light as a control signal, it does not cause electromagnetic interference to nearby electronic devices, and reliably prevents interference by electromagnetic waves emitted from nearby electromagnetic wave transmission devices. Therefore, it is possible to safely operate the automation device for work. Further, since it is not necessary to provide the interference prevention device in the receiving device, the circuit device can be downsized and the manufacturing cost can be reduced. Also, a receiver for receiving infrared light is attached to the side surface of the receiving device, and a receiver for receiving infrared light is provided on the surface orthogonal to this side surface, so the light receiving range should be expanded in all directions. In particular, it has an excellent effect of being able to freely transmit infrared light without being restricted by its transmitting position, especially in a construction site where the scaffolding is poor.

[Brief description of drawings]

FIG. 1A is a diagram for explaining the general operation for facilitating the understanding of the features of the present invention, FIG. 1B is a plan view of a receiver seen from above, and FIG. ) Indicates a side view seen from the side.

FIG. 2 (A) is an external perspective view of a portable transmitter,
FIG. 2B is a perspective view of the receiving device attached to the support substrate as viewed from below.

FIG. 3 is a circuit diagram of a portable transmitter.

FIG. 4 is a receiving circuit diagram of a receiving device.

FIG. 5 is a view showing an example in which the present invention is applied to a PC board reversing device, and shows a state in which a PC board is being lifted.

6 is a diagram showing a state in which a PC board is inverted by the PC board reversing device shown in FIG.

[Explanation of symbols]

1 Portable Transmitter for Transmitting Infrared Light, 3 Command Switch, 4 Matrix Switch, 5 Transmitting IC Circuit, 6 Amplifying Transistor, 7 Infrared Light Emitting Diode, 8 Infrared Light, 20 Red Receiver for receiving outside light, 24 Receiver circuit, 23A to 23E Receiver for receiving transmitted infrared light, 25A to 25E Light receiving diode for receiving infrared light, 26 Amplifier, 27 Detection circuit, 28 Waveform shaping circuit , 29 code identification circuit, 31
Amplified reception signal, 32 detection signal, 33 waveform shaped waveform, 40 crane hook, 45 hanging jig, 42, 44, 46, 49 wire rope, 43
PC board reversing device, 48 hangings, 47 PC board, 51 chain.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Takayuki Watanabe 6-4 5 Higashi Oi, Shinagawa-ku, Tokyo Inside Sataco Engineering Co., Ltd. (72) Inventor, Kureyama Kure 6-4 Higashi Oi, Shinagawa-ku, Tokyo No. 5 Inside Sataco Engineering Co., Ltd.

Claims (1)

[Scope of utility model registration request] 1. A remote control for causing a receiving device installed in a work automation device to receive a control signal transmitted from a portable transmission device in a wireless manner and controlling the operation of the automation device according to the control signal. In the device, the portable transmitter is provided with a light emitting diode for transmitting infrared light as a control signal, and a receiver for receiving infrared light is provided on each side surface of the receiver installed in the work automation device, An infrared remote control device, characterized in that a light receiver for receiving infrared light is provided on a surface orthogonal to a side surface of the receiving device, and the light receiving range of the receiving device extends in all directions.