JP2000045590A - Locking device for residence - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a locking device for a residence capable of improving a state of reception of an aerial propagation signal without damaging appearance. SOLUTION: A wire antenna 17 for receiving a wave signal to be transmitted from a remote control device on the outside for conducting locking and release by a locking mechanism arranged inside a door 11 is disposed in a groove formed at a panel section 14a integrally formed with a case body, in which a receiver is housed, and made of a resin. A case 14 is installed on the end face section 11d side of the door 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking device for a house, which locks and unlocks a door provided at an entrance of a house by an airborne signal transmitted from a portable transmitter.

[0002]

2. Description of the Related Art FIG. 9 shows an example of such a conventional locking device for a house. An antenna 1 and a receiver 2 for receiving a radio signal (airborne signal) transmitted from a portable transmitter (not shown) are configured as one unit 3 and attached to a wall 4 in the entrance of a house. . And receiver 2
Is connected to a locking mechanism (not shown) disposed inside the door 5 by a wire passing through the wall 4 and the inside of the door 5, and is stored in advance when a radio signal is transmitted from the portable transmitter. Check whether the specified code is
The door 5 is locked or unlocked according to the result.

In FIG. 10, which is another example, a unit 3 is arranged inside a door 5 so as to receive a radio signal transmitted from a portable transmitter.

[0004]

However, in the example shown in FIG. 9, the reception state of the radio signal by the antenna 1 is good, but the appearance is inevitably impaired because the unit 3 is exposed. Further, in the example shown in FIG. 10, although the appearance is not spoiled, the radio signal transmitted from the outside is received by the secondary radiation of the path from the door 5 to the antenna 1, so that the receiving characteristic is generally low. It is easily affected by the material and shape of the door 5 made of aluminum or steel plate. Therefore, there has been a problem that the characteristics are not stable due to a change in the reception area of the radio signal.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a locking device for a house which can improve the reception state of an airborne signal without deteriorating the appearance. is there.

[0006]

According to a first aspect of the present invention, there is provided a locking device for a house, wherein an airborne signal transmitted from a portable transmitter is disposed in a door provided in the house. When the receiver receives the signal via the antenna and the received signal matches the specific code, the locking mechanism is driven to lock and unlock the door.
The antenna is arranged on an end face side of a peripheral portion of the door.

[0007] With this configuration, the antenna can satisfactorily receive an aerial propagation signal transmitted from an outdoor portable transmitter while being as little affected by the material and shape of the door as possible. Moreover, by arranging the receiver inside the door, the appearance is not spoiled.

In this case, it is preferable that the antenna is arranged on the side of the door where the knob is provided, as described in claim 2. In general, when a user holding a portable transmitter transmits a radio signal for locking and unlocking a door, the user extends his hand in the same manner as when a mechanical key is brought close to a keyhole near a knob. Since the position often naturally approaches the vicinity of the knob, a radio signal is usually transmitted from the portable transmitter toward the knob of the door. Therefore, with this configuration, the radio signal transmitted from the portable transmitter can be satisfactorily received by the antenna.

Further, as set forth in claim 3, the receiver is housed in a case having a panel portion made of an insulating material to be attached to the door from an end face side, and the antenna is mounted on the panel. In such a configuration, the antenna and the receiver become an integral unit by the case, and if the panel portion of the case is attached to the door, the antenna is arranged on the end face side. The workability of attaching and detaching to and from is improved.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. The door 11 is shown in FIG.
As shown in FIG.
a and the inner plate 11b are connected via a spacer 11c, and an edge frame (not shown) is provided around them and has a space inside. As shown in FIG. 5 showing the entire configuration, a locking mechanism 12 is installed in a space inside the door 11. A locking mechanism 12 for locking and unlocking the door 1 includes an end surface portion 11 having a door knob 13.
It is installed near d.

As shown in FIGS. 2 to 4, a resin case 14 serving as an insulating material has a rectangular panel portion 14a and a rectangular box shape integrally formed with the panel portion 14a as one side surface. And a main body 14b. Inside the case body 14b, a circuit board 16 on which various electronic components are mounted and a receiver 15 is arranged is fixed by screws or the like.

A groove 14c is formed in the panel portion 14a on the case body 14b side (see FIG. 3). And
A wire antenna (hereinafter simply referred to as an antenna) 17 having one end connected to a wiring pattern (not shown) formed on the circuit board 16 is arranged inside the groove 14c. . Further, screw holes 14d are formed at the four corners of the case body 14b, and covers 14e fixed by screws 40 to the screw holes 14d.
It is covered by.

The panel portion 14a of the case 14 is provided with screw holes 14f, 14f at the upper end and the lower end, and the panel portion 14a is formed on the spacer 11c on the side of the end surface 11d, which is the peripheral portion of the door 11. It is adapted to be mounted and fixed by screws 18. The harness 19 extending from the surface of the case 14 opposite to the illustrated surface is connected to the lock actuator 12 of the locking mechanism 12.
a (see FIG. 5).

Further, the AC power supply line 20a drawn out of the case 14 is connected to the hinge portions 21 and 21 across the inside of the door 11.
1 is drawn out of the door 11 from the end face 11e having the side 1 and connected to a not-shown commercial AC power supply. Thus, the door 11 is provided at the doorway of the house with the hinge portions 21 and 21.
1 is attached by screwing.
The locking mechanism 12, the case 14, the receiver 15, and the antenna 17 constitute a house locking device 22.

In FIG. 6, which mainly shows the electrical configuration of the receiver 15, a remote controller (portable transmitter) 23 has a built-in microcomputer when a lock button 24a or an unlock button 24b is turned on. The ID code and the data corresponding to the locking or unlocking code are read from a memory (neither is shown), and a radio wave signal obtained by modulating a carrier with the data is transmitted from the transmission antenna 25.

On the other hand, a microcomputer (microcomputer) 26 as a control circuit of the house locking device 22 is connected to a nonvolatile memory 27 in a readable manner. Antenna 1
Reference numeral 7 is connected to an input terminal of the microcomputer 26 via a demodulation circuit 28 and an output buffer 29 having hysteresis in input / output characteristics. The demodulation circuit 28 is connected to the microcomputer 2
6 to output a demodulated signal. Further, the microcomputer 26 outputs a drive signal to the lock actuator 12a via the drive circuit 30 and the harness 19.

The primary side of a transformer 31 disposed outside the door 11 is connected to a commercial AC power supply by an AC power supply line 20b, and the secondary side of the transformer 31 is connected to the door by the AC power supply line 20a. Power supply circuit 3 inside 11
2 input terminals. The power supply circuit 32 rectifies and smoothes the AC power that has been stepped down to about 24 V by the transformer 31, and supplies stabilized DC power to the above circuits. The circuits other than the transformer 31 are all mounted on the circuit board 16 and constitute the receiver 15.

Next, the operation of the present embodiment will be described.
For example, when the user carrying the remote controller 23 comes home and turns on the unlock button 24b of the remote controller 23 near the door 11 (outside the door) in a locked state, the ID code and the unlock code data are transmitted from the transmission antenna 25. It is transmitted by a radio signal.

Then, the antenna 1 of the house locking device 22
Numeral 7 can receive a radio signal transmitted from the remote controller 23 through a resin panel 14a attached to the end face 11d side of the door 11. Then, when the antenna 17 receives the radio signal, the demodulation circuit 28 demodulates the data of the ID code and the unlock code, and the demodulated data is given to the microcomputer 26.

When the microcomputer 26 receives the demodulated signal,
The ID code stored in the memory 27 is read and collated with the received demodulated signal. Then, when they match, it is further determined whether the locking or unlocking code is present, and in this case, an unlocking drive signal is output to the drive circuit 30. Upon receiving this drive signal, the drive circuit 30 sets the lock actuator 1
2a is driven. Then, the lock actuator 12a
Operates to put the door 11 in the unlocked state.

Conversely, when the door 11 is in the unlocked state,
When the lock button 24a of the remote controller 23 is turned on, the lock actuator 12a operates to lock the unlocked door 11 in the same manner.

As described above, according to this embodiment, the door 11
An antenna 17 for receiving a radio signal transmitted from an outdoor remote controller 23 for performing locking and unlocking by a locking mechanism 12 disposed inside the housing 15 is formed integrally with a case main body 14b housing the receiver 15. Panel part 1 made of resin
The case 14 is arranged in the groove 14c provided in the
The door 11 is attached to the end face 11d side.

Therefore, the antenna 17 can satisfactorily receive a radio signal transmitted from the remote controller 23 outdoors, while being as little affected by the material and shape of the door 11 as possible. Moreover, by arranging the receiver 15 inside the door 11, the appearance is not impaired. in addition,
By applying a design to the panel portion 14a, it is possible to further enhance the aesthetic appearance.

Further, the receiver 15 is housed in the case 14 and the antenna 17 and the receiver 15 are formed as an integrated unit, and the panel 14a of the case 14 is connected to the end face 11d of the door 11 on the side where the door knob 13 is provided. Since it is attached to the door 11, when repairing, or when changing the setting by, for example, a dip switch provided on the circuit board 16 (for example, changing the ID code)
The workability of attachment and detachment in such as is improved.

In general, when a user holding the remote controller 23 transmits a radio signal, the extended position of the hand naturally extends in the same manner as when a mechanical key is brought close to a keyhole near the knob. Often approaching.

Therefore, it is usual that a radio signal is transmitted from the remote controller 23 to the door knob 13 side. Therefore,
Since the panel portion 14a is located at the end surface portion 11d on the side where the door knob 13 is provided, the antenna 17 is located in a transmission range of a radio signal normally assumed, and the radio signal transmitted from the remote controller 23 is transmitted to the antenna 17a. 17 allows better reception.

FIGS. 7 and 8 show a second embodiment of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted. Only different parts will be described below. As shown in an exploded perspective view in FIG. 7, in the second embodiment,
The case 33 and the panel (panel part) 34 are formed separately. In the case 33 accommodating the circuit board 16 (not shown in FIG. 7), the antenna 17 is drawn out from the end surface 33a on the side where the panel 14a is provided in the case 14 of the first embodiment. The panel 34 is attached to the end surface 33a.

The panel 34 is a panel portion 14 of the first embodiment.
Contrary to “a”, a groove 34 a for disposing the antenna 17 is formed on the outside of the door 11, and a leading hole for leading the antenna 17 to the outside from the case 33 is formed at the upper end of the groove 34 a. 34b are provided. When the antenna 17 is led out from the back side of the panel 34 through the lead-out hole 34b, it is housed in the groove 34a.

At the upper end and the lower end of the end surface 33a of the case 33, mounting pieces 33b, 33b are provided. In addition, screw holes 34c, 34c are formed in the upper and lower portions of the groove 34a.
Are screwed to the mounting pieces 33b, 33b of the case 33 via the holes 34c, 34c. The antenna 17 is disposed in the groove 34 a, and the panel 34 screwed to the case 33 has a thin sheet 36 made of, for example, plastic.
Is attached.

In this state, the case 33 is screwed to the end face 11d of the door 11. FIG. 8 shows the screwed state. Other configurations are the same as in the first embodiment. According to the second embodiment configured as described above, the antenna 17 is provided with the groove 34a provided on the outside of the panel 34.
Therefore, the effect of the panel 34 on the reception characteristics of the antenna 17 can be further reduced as compared with the case where the panel 34 is disposed in the groove 14c on the inner side of the panel portion 14 as in the first embodiment. Can be received in a more stable state. Further, similarly to the first embodiment, it is also possible to apply a design to the sheet 36 portion.

The present invention is not limited to the embodiment described above and shown in the drawings, and the following modifications or extensions are possible. The antenna is not limited to the antenna attached to the end surface 11d on the side having the door knob 13, but may be attached to the end surface 11e on the side where the hinge portion 21 is provided, or to another end surface such as the ceiling side or the ground side. Even in such a case, the reception state of the antenna can be improved. An LED may be provided on the panel unit 14a or the panel 34 or on the outer plate 11a of the door 11 to indicate that the receiver 15 is operating or that a radio signal transmitted from the remote controller 23 is being received. good. With this configuration, it is possible to easily monitor and maintain the operation state. The circuit board 16 may be provided with a buzzer that sounds when a radio signal transmitted from the remote controller 23 is received. With this configuration, it is possible to reliably notify the user whether or not the locking device 22 or 36 has responded to the transmission from the remote controller 23.

The antenna is not limited to the wire antenna 17, and a spiral antenna, a helical antenna or the like may be formed by a wiring pattern. In this case, the antenna may be formed directly on the surface of the panel. Further, the antenna is not necessarily limited to the antenna disposed on the panel of the case. For example, in the case of a case having no panel portion, it may be arranged on one side surface of the case, or may be arranged directly on the end surface of the door. In short, it may be arranged on the end surface side of the door peripheral portion, and the form is not limited. Only one transmission switch is provided in the portable transmitter, and when the transmission switch is turned on, only the ID code is transmitted. When the ID code of the received signal matches on the receiver side, the door is opened. The lock actuator may be operated so as to be locked when in the unlocked state and to be unlocked when in the locked state. The airborne signal is not limited to a radio signal, but may be an electromagnetic signal or the like.

[0033]

Since the present invention is as described above,
The following effects are obtained. According to the first aspect of the present invention, since the antenna is disposed on the end surface side of the door peripheral portion, the antenna is transmitted from the outdoor portable transmitter in a state where the antenna is not affected by the material and shape of the door as much as possible. The transmitted airborne signal can be satisfactorily received. Moreover, the appearance is not impaired by disposing the receiver inside the door.

According to the second aspect of the present invention, since the antenna is disposed on the side of the door where the knob is provided, the antenna can be transmitted from the portable transmitter toward the knob of the door. Radio signals with a large number can be satisfactorily received by the antenna.

According to the third aspect of the present invention, the antenna and the receiver are integrated as a unit by the case, and if the panel of the case is attached to the door, the antenna is arranged on the end face side. In addition, the workability of attaching and detaching the door is improved.

[Brief description of the drawings]

FIG. 1 shows the first embodiment of the present invention, and is an exploded perspective view showing a state where a case is attached to an end face of a door.

FIG. 2 is a longitudinal side view of a case.

FIG. 3 is a perspective view showing a groove provided in a panel portion, omitting a case body.

FIG. 4 is an exploded perspective view of a case.

FIG. 5 is a diagram showing the entire door.

FIG. 6 is a functional block diagram showing an electrical configuration.

FIG. 7 shows the second embodiment of the present invention, and is an exploded perspective view showing a state in which an antenna led out of a case is housed in a groove of a panel.

FIG. 8 is a diagram showing a state where a case and a panel are attached to a door.

FIG. 9 is a diagram showing an arrangement state of a receiver in a conventional house locking device (part 1).

FIG. 10 is a diagram showing an arrangement state of a receiver in a conventional house locking device (part 2).

[Explanation of symbols]

11 is a door, 11d is an end surface (end surface), 12 is a locking mechanism, 13 is a door knob, 14 is a case, 14a is a panel portion, 14b is a case main body, 14c is a groove, 15 is a receiver,
17 is a wire antenna (antenna), 23 is a remote controller (portable transmitter), 33 is a case, 34 is a panel (panel part), and 34a is a groove.

Claims (3)

[Claims] When a receiver disposed in a door provided in a house receives an airborne signal transmitted from a portable transmitter via an antenna, the received signal matches a specific code. Then, in a housing locking device for locking and unlocking the door by driving a locking mechanism, the antenna is arranged on an end surface side of a peripheral portion of the door. 2. The house locking device according to claim 1, wherein the antenna is arranged on a side of the door where a knob is provided. 3. The receiver is housed in a case provided with a panel part made of an insulating material, which is attached to the door from an end face side thereof, and the antenna is arranged on the panel part. The locking device for a house according to claim 1 or 2, wherein: