JP2005226323A - Garage door opening and closing device using radio tag - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a garage door opening and closing device using a radio tag without necessity of any wiring connection in a floor surface of a garage access. <P>SOLUTION: The opening and closing device is equipped with vehicle detection means installed in predetermined positions of the inside and outside of a garage 1, a receiving section 10 receiving signals of the vehicle detection means and an operating switch 4 for opening and closing a door 2 of the garage 1 based on the signals received by the receiving section 10. Each vehicle detection means includes an antenna 7 receiving a radio wave, the radio tag IC8 receiving the supply of a power source by receiving the radio wave and transmitting data from the antenna 7 by making use of the power source and radio tags 5 and 6 consisting of a switch 9 making ON/OFF control of the transmission of the data of the radio tag IC8, and the switch 9 is a pressure detection switch operated by sensing a vehicle weight. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention detects that a specific automobile has reached a predetermined position by detecting the vehicle weight with a sensor installed outside the garage or by detecting a recognition signal from the vehicle specified after detecting the vehicle weight. The wireless tag receives wireless radio waves (here, including electromagnetic waves, the same applies hereinafter), receives power, and uses this power to transmit data from the antenna to open and close the garage door. This is related to the device.

  As a device for opening and closing the garage door when the automobile enters the garage, a push button type device is the most common. However, with this push button type, it is necessary for the driver to stop the car in front of the garage door, and then to go out of the car and operate the push button. It was a difficult task. For this reason, conventionally, Patent Document 1 discloses a technique in which a sensor detects that an automobile has reached a predetermined position and automatically opens and closes a door of a garage to facilitate entry and exit.

  In the technique described in Patent Document 1, pressure sensors for detecting the vehicle weight are arranged at predetermined intervals on the floor near the doorway from the inside of the garage to the outside of the garage, and these output signals are obtained stepwise. Sometimes, the door of the garage is controlled to open and close.

On the other hand, Patent Document 2 discloses a garage device based on a wireless communication system using an RF-ID tag (corresponding to the wireless tag IC of the present invention) and an RF-ID reader / writer. This garage apparatus of Patent Document 2 has an RF-ID tag attached to the vehicle side, and an RF-ID reader / writer that receives a radio wave of the RF-ID tag and generates a control signal at a predetermined position in the garage. When the vehicle reaches a predetermined stop position in the garage, the reader / writer receives a signal from the radio wave from the RF-ID tag, turns on the lamp and displays the vehicle at the predetermined stop position. The driver is informed that this has been reached.
JP-A-11-101018 JP 2003-253903 A

  However, in the technique described in Patent Document 1, a plurality of pressure sensors for detecting the vehicle weight are embedded in the floor surface, and the pressure sensors and the pressure sensors and the control unit or the control unit and the door opening and closing device The wiring must be connected. In particular, the pressure sensors and the connection between the pressure sensor and the control unit have to be performed within the floor of the garage, and there is a drawback that wiring work becomes large.

  On the other hand, in the technique of Patent Document 2, when the garage is put into the garage, only a lamp is displayed to indicate that the vehicle is in a predetermined position in the garage, and the RF-ID reader / writer is provided on the floor surface at the rear of the garage. Buried in Therefore, when the technique of Patent Document 2 is applied to a device that controls opening and closing of a garage door, there is still a problem that wiring connection work becomes large as in Patent Document 1.

  SUMMARY OF THE INVENTION The present invention has been made in view of the above-described conventional problems, and is intended to provide a garage door opening / closing device using a wireless tag that eliminates the need for wiring connection on the floor surface of a garage entrance / exit. .

  The means of claim 1 adopted by the present invention to solve the above-mentioned problems is a vehicle detection means installed at a predetermined position inside and outside the garage, a receiving part for receiving a signal from the vehicle detection means, and the reception part In the garage opening and closing device having an operation switch for opening and closing the garage door based on the signal, the vehicle detection means receives the radio wave and receives power from the radio wave and uses this power supply. And a wireless tag IC that transmits data from an antenna and a switch that controls ON / OFF of data transmission of the wireless tag IC, and the switch operates by sensing the vehicle weight. A garage door opening and closing device using a wireless tag, characterized by being a switch.

  According to a second aspect of the present invention, a vehicle identification wireless tag is provided on the vehicle side, a vehicle identification receiving unit for receiving a signal of the vehicle identification wireless tag is provided on the garage side, and vehicle weight sensing is provided. The garage door opening / closing device according to claim 1, wherein an operation switch of the garage door is operated when two signals of a signal and a vehicle identification signal are output.

  According to a third aspect of the present invention, the vehicle identification receiving unit has a directivity, and the vehicle identification receiving unit recognizes the vehicle when the vehicle identification wireless tag is within the effective range of the directivity. The garage door opening and closing device according to claim 2, wherein a signal from the wireless tag for use can be received.

  As described above, in the first aspect of the invention, the switch of the wireless tag provided inside and outside the garage is a pressure-sensitive type that operates by sensing the weight of the vehicle. When detected, the wireless tag IC is turned on, and the stored data is transmitted by wireless radio waves. The transmitted radio wave is received by a receiving unit provided in the garage, and an operation switch on the garage door is turned on / off. Thereby, the garage door is controlled to open and close. In other words, vehicle detection signals are transmitted and received by radio waves, and no wiring is required.

  In the invention of claim 2, a set of vehicle identification wireless tags arranged on the vehicle side and a vehicle identification receiving unit for receiving a signal of the vehicle identification wireless tag arranged on the garage side. A vehicle identification device is prepared and incorporated in the garage door opening and closing device of claim 1. Therefore, according to the second aspect of the present invention, the garage door is not opened / closed, and the garage door can be opened / closed only for a specific vehicle unless the two signals of the vehicle weight detection signal and the vehicle identification signal are received. ing. The identification of the vehicle can be freely changed by the data stored in the vehicle identification wireless tag.

  In the invention of claim 3, since the vehicle identification receiving unit has directivity, the vehicle can be identified only when the vehicle exists in the specific area. Therefore, it is possible to prevent malfunction.

  The configuration of the present invention will be described below based on the embodiment of the invention shown in the drawings. 1 and 2 relate to a first embodiment of the present invention. FIG. 1 is a system configuration diagram showing the overall configuration, and FIG. 2 is a circuit diagram of a wireless tag. As shown in FIG. 1, a device 3 for automatically opening or closing the garage door 2 by a motor or the like is attached to the upper part of the entrance of the garage 1. The opening / closing device 3 is wound up or rewound by an operation switch 4 that controls ON / OFF of the drive motor.

  Wireless tags 5 and 6 are embedded in the floor surface F of the access path inside and outside the garage 1. The wireless tags 5 and 6 have the same configuration, and as shown in FIG. 2, the antenna 7 that transmits and receives wireless radio waves, the wireless radio waves that are received and supplied with power, and data is transmitted from the antenna 7 using the power. It consists of a wireless tag IC 8 for transmission and a switch 9 for ON / OFF control of transmission of data of the wireless tag IC 8. The switch 9 is a pressure-sensitive switch that is turned on by sensing the weight of the vehicle.

  On the other hand, in the vicinity of the garage door opening / closing device 3 of the garage 1 (such as a side wall surface close to the ceiling on the entrance / exit side), signals by the radio waves from the radio tags 5 and 6 are received and the operation switch 4 is turned on / off. A receiving unit (RF-ID reader / writer) 10 is attached. The receiving unit 10 and the operation switch 4 of the garage door opening / closing device 3 are connected by a wireless method such as wiring or infrared communication. FIG. 1 shows a case of wiring connection.

  Next, the operation | movement aspect of the garage door opening / closing apparatus 3 comprised in this way is demonstrated. First, the case where goods are stored in the garage 1 will be described. Prior to entry, the garage door 2 remains closed. When the vehicle V comes to a predetermined position near the entrance of the garage 1 from this state, the wheels of the vehicle V step on the pressure-sensitive switch 9 of the wireless tag 5 embedded in the floor surface F. When the load is sensed, it is turned ON electrically. Therefore, the circuit of the antenna 7 is closed, and the radio wave from the receiving unit 10 side is received, and the voltage generation circuit inside the wireless tag IC 8 generates an operating voltage. Thereby, the wireless tag IC 8 reads the data stored in the memory, and transmits the data from the antenna 7 to the receiving unit 10 side through the wireless communication interface. On the receiving unit 10 side, a signal for turning on the operation switch 4 of the garage door opening / closing device 3 is output based on the transmitted data. When the operation switch 10 is turned on in this way, the motor of the opening / closing device 3 is driven and the garage door 2 is wound up. As a result, the vehicle V can enter the garage 1.

  When the vehicle V enters the garage 1 and reaches a predetermined position in the garage 1, the wheel of the vehicle V now steps on the pressure-sensitive switch 9 of the wireless tag 6. As a result, in the wireless tag 6, as in the wireless tag 5, the circuit of the antenna 7 is closed, the wireless radio wave from the receiving unit 10 side is received, and the voltage generation circuit in the wireless tag IC 8 is operated. Generate voltage. The wireless tag IC 8 reads data stored in the memory and transmits the data to the receiving unit 10 side from the antenna 7 through the wireless communication interface. On the receiving unit 10 side, a signal for turning off the operation switch 4 of the garage door opening / closing device 3 is output based on the transmitted data. Therefore, in the garage door opening / closing device 3, the motor is driven to rotate in the opposite direction, and the garage door 2 is rewound and closed. Thus, when entering the garage 1, it is not necessary for the driver to get off the vehicle V and operate the buttons, and all can be performed automatically.

  Next, the case where it leaves is demonstrated. When the vehicle V moves forward slightly when leaving the vehicle, the pressure-sensitive switch 9 of the wireless tag 6 that has been stepped on by the wheel does not sense the vehicle weight and is turned off. Therefore, the circuit of the antenna 7 is opened, the data output of the wireless tag IC 8 is lost, and contrary to the case of the warehousing, the receiving unit 10 outputs a signal for turning on the operation switch 4, and the garage door opening / closing device 3 The motor is instructed to wind up the garage door 2. The vehicle V may be issued after confirming that the garage door 2 is rolled up.

  When the wheel of the vehicle V steps on the pressure-sensitive switch 9 of the wireless tag 5 embedded in the floor F in front of the garage, the antenna circuit is closed and predetermined data is output from the wireless tag IC 8 through the wireless communication interface. Is done. When the receiving unit 10 receives this, the operation switch 4 is turned OFF, the door 2 is rewound, and the door 2 is closed. As described above, even when leaving the garage 1, it is not necessary to open and close the door 2 when the driver gets out of the vehicle V and operates the button, and all operations can be performed automatically.

  FIG. 3 relates to the second embodiment of the present invention. In this embodiment, a vehicle identification wireless tag 11 is attached on the dashboard of the driver's seat of the vehicle V or the like. The basic configuration of the wireless tag 11 is the same as that of the wireless tags 5 and 6 shown in FIG. 2, and only the contents of data stored in the wireless tag IC 8 are different. The data in this case is identification information given to the vehicle V. In addition, a vehicle identification receiver 12 having directivity is disposed on the lower surface side of the garage door opening / closing device 3, and a vehicle identification receiver 13 having directivity is also disposed on the ceiling in the garage 1. ing. The identification of the vehicle V by these devices is whether it is the owner of the garage 1 or whether it is that of a specific person who is permitted to enter and exit the garage 1 even if it belongs to another person. Is to do.

First, when the vehicle identification wireless tag 11 mounted on the vehicle V enters the receivable area of the receiving unit 12 or 13, the antenna circuit of the wireless tag 11 is closed, and the wireless tag IC8 data (identification signal) is transmitted by the wireless communication interface. The identification receiving unit 12 receives this data, and outputs a signal to the operation switch 4 of the garage door opening / closing device 3 when it matches the predetermined data.
Thus, in the embodiment shown in FIG. 3, the operation is performed only when the signal output from the wireless tag 5 or 6 for sensing the vehicle weight and the identification signal from the vehicle identification wireless tag 11 are output. A signal for ON / OFF control of the switch 4 is output. Therefore, the garage door 2 is opened and closed only when it is confirmed that the vehicle V is a vehicle recognized in advance and the vehicle V reaches a predetermined position. The order of opening and closing of the door 2 at the time of loading / unloading is as described above.

  By the way, the present invention is not limited to the above-described embodiment. For example, the vehicle identification receiving units 12 and 13 may not have directivity. If the vehicle has the directivity, the vehicle V is identified and the vehicle V reaches a predetermined position depending on whether or not the identification wireless tag 11 mounted on the vehicle V is within the receivable area as the vehicle V moves. Can be detected. Therefore, in the embodiment of FIG. 3, the wireless tags 5 and 6 for sensing the vehicle weight and the receiving unit 10 can be omitted.

1 is a system configuration diagram showing an entire apparatus according to a first embodiment of the present invention. The first embodiment of the present invention is an electric circuit of a wireless tag. It is a system configuration figure showing the whole device concerning a 2nd embodiment of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Garage, 2 ... Garage door, 3 ... Garage door opening and closing device, 4 ... Operation switch, 5 ... 6 Pressure-sensitive radio | wireless tag, 7 ... Antenna, 8 ... Wireless tag IC, 9 ... Pressure-sensitive switch, 10 ... Receiving unit, 11 ... wireless tag for vehicle identification, 12, 13 ... receiving unit for vehicle identification, V ... vehicle

Claims (3)

A garage opening and closing device comprising vehicle detection means installed at a predetermined position inside and outside the garage, a receiving part for receiving a signal from the vehicle detection means, and an operation switch for opening and closing the garage door based on the signal received by the receiving part The vehicle detection means includes an antenna for receiving radio waves, a radio tag IC for receiving radio waves and receiving power supply, and transmitting data from the antenna using this power source, and data of the radio tag ICs A garage door opening and closing device using a wireless tag, comprising: a wireless tag comprising a switch for ON / OFF control of transmission of the vehicle, wherein the switch is a pressure-sensitive switch that operates by sensing vehicle weight. A vehicle identification wireless tag is provided on the vehicle side, a vehicle identification receiving unit is provided on the garage side for receiving the signal of the vehicle identification wireless tag, and two signals of a vehicle weight detection signal and a vehicle identification signal are provided. The garage door opening / closing device according to claim 1, wherein an operation switch of the garage door operates when output. When the vehicle identification receiver has directivity and the vehicle identification radio tag is within the effective range of the directivity, the vehicle identification receiver can receive a signal from the vehicle identification radio tag. The garage door opening and closing device according to claim 2.

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