JP2004220058A - Warning device for locking device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide the warning device for a locking device easily mounted on a door and operated interlocked with the lock mechanism of the locking device. <P>SOLUTION: This warning device is provided with a locking means for locking a door and a lock means for locking the locking means. This warning device is provided with a warning means, a first switch arranged at the warning device for turning on/off the operation of the warning means and a second switch means interlocked with the lock means of the locking means. This warning device is also provided with a warning control means for operating the warning means when the lock means is released by the second switch means after the first switch is turned on and a disconnection warning means for operating the warning means when wiring connecting the locking means to the warning means is cut or short-circuited after the first switch is turned on. Also, in this warning device, the warning means and the locking means are integrated into one body. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an alarm device provided in a locking device provided in a door such as a glass window, a glass door, and an aluminum sash.
[0002]
[Prior art]
Patent Document 1 makes it easy to attach / detach a buzzer when closing a sliding door, and avoids a situation in which the function of destroying the buzzer due to the illegal opening of the door is lost. The purpose is to raise the alarm effect. For this reason, the sliding door security buzzer disclosed in Patent Literature 1 supports the buzzer with the guide portion while operating the buzzer attached to the fixing bracket by contact with the door that is opened by breaking the door lock. It is configured to be guided by the body and retreat in the opening direction together with the door, and finally fall from the rear end of the fixture to the indoor side.
[0003]
In the invention disclosed in Patent Document 2, since the knob of the conventional double lock mechanism of the crescent lock is provided outside, when the glass is broken, the hand can be easily inserted and unlocked. Therefore, an object of the present invention is to provide a crescent lock that cannot be easily unlocked even when the glass is broken. The lever outside the housing is provided with an eccentric cam, and the housing is rotated together with the rotation axis of the lever. In addition to providing a rotating plate that moves, a concave notch is provided at a peripheral portion of the rotating plate, and a slide plate for engaging with the notch and preventing rotation thereof is provided in the housing. It is provided so that it can slide up and down a fixed distance.
[0004]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 2000-182156 [Patent Document 2]
JP 2001-49920 A [0005]
[Problems to be solved by the invention]
As is clear from Patent Document 2, a person who intends to intrude illegally breaks the glass for the purpose of releasing the crescent lock, so that the lock mechanism for locking the crescent lock can be released at the same time.
[0006]
For this reason, in Patent Document 1, it is necessary to attach a special device to a window frame or the like, and in Patent Document 2, there is a problem that the structure of the crescent lock itself becomes complicated.
[0007]
Accordingly, an object of the present invention is to provide an alarm device for a locking device that can be easily mounted on a door and that operates in conjunction with a locking mechanism of the locking device.
[0008]
[Means for Solving the Problems]
Therefore, the present invention relates to a locking device comprising a locking means for locking a door and a locking means for locking the locking means, the alarm means being provided on the alarm means for turning on and off the operation of the alarm means. A first switch means and a second switch means interlocked with the lock means of the locking device, wherein the lock means is released by the second switch means after the first switch means is turned on. And alarm control means for operating the alarm means. In particular, the locking means is a crescent lock. The locking means is a slide knob provided to stop the rotation of the crescent lock. Further, it is desirable that the alarm means is integrated with the locking means, or is located near the locking means if it is located at a predetermined distance from the locking means. Further, it is desirable that the alarm means is located at a position farther than the arm can reach from the locking means.
[0009]
In addition, it is preferable to include a disconnection alarm unit that activates the alarm unit when the wiring connecting the locking unit and the alarm unit is cut after the first switch is turned on. Thus, an alarm is issued even when the wiring is cut for the purpose of preventing the alarm. Further, it is preferable that the apparatus further includes a short-circuit alarm unit that activates the alarm unit when the wiring connecting the locking unit and the alarm unit is short-circuited after the first switch is turned on.
[0010]
Further, the alarm control means may activate an alarm device arranged at a position distant from the door itself at the same time as activating the alarm means. The alarm device may be a patrol lamp, a bell, a siren, or the like, or may be linked to a device for turning on a house light. Furthermore, the alarm control means may be linked with a communication means to a management center such as a security company.
[0011]
Preferably, an optical element is used as the second switch. Specifically, an optical fiber line having a gap is used, and an object that blocks light moves between the light-emitting element and the light-receiving element. By doing so, a switch that detects on / off of the switch can be considered.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0013]
As shown in FIGS. 1 to 4, the alarm device 1 according to the present invention includes at least an alarm unit main body 2, a wiring unit 3, and a switch unit 4 disposed in a locking main unit 40 of the locking device 6. Is done. For example, the alarm unit main body 2 is fixed to the frame 7 of the sliding door 5 by a fixing means such as a double-sided tape, and the alarm unit 2 is provided at least by a locking device 6 in which the switch unit 4 is arranged. It is fixed at a distance longer than the length of the arm.
[0014]
In this embodiment, the locking device 6 includes a claw portion 8 fixed to an end face 7a of a center side frame of one door 5a of the sliding door 5 and the end face 7a when the sliding door 5 is closed. An arcuate slide claw portion 9 is provided rotatably on a locking body portion 40 provided on an end face 7b of the center side frame of the other door 5b at a position parallel to the above, and engages with the claw portion 8. The turning knob 10 can be turned / cannot be turned in a state where the slide claw 9 of the turning knob 10 is engaged with the claw 8 in the locking main body 40 within the locking main body 40. And a lock mechanism. Note that the lock mechanism is not particularly described in detail, as long as it has a known lock structure.
[0015]
A knob 11 for operating the lock mechanism is linked to an open / close switch (second switch) 12 of the alarm device 1. The second switch 12 locks the rotation knob 10 of the locking device by the knob 11. It is set to be ON when unlocked, and OFF when unlocked.
[0016]
The alarm section main body 2 has an electric circuit 30 as shown in FIG. 4 in a case section 20, for example, and a speaker 21 and a main switch (first switch) 22 are provided.
[0017]
The electric circuit 30 is provided in parallel with a switch detection unit 31 that detects opening and closing of the second switch 12 and a wiring 3a that connects between the second switch 12 and the switch detection unit 31. A disconnection detection unit 32 that detects the opening and closing of the closed circuit 3b that is opened when the wiring 3 is disconnected, determines the detection results of these detection units 31 and 32, activates the buzzer driving unit 33, and activates the first , And at least a battery 40 serving as a power supply of the alarm device 1.
[0018]
The control in the electric circuit 30 performs control as shown in the following flowchart. The control may be performed by electronic components that are simply wired, or may be performed by computer control so as to perform the same control. There is no particular limitation as long as control can be performed as a result.
[0019]
Hereinafter, control in the alarm device 1 of the present invention will be described with reference to the flowchart shown in FIG.
[0020]
The control started from step 100 may be started, for example, by mounting the battery 40, or may be started by turning on the power switch specially provided.
[0021]
The control started from the step 100 determines whether or not the first switch 22 is turned on in a step 110. If the first switch 22 is turned on (Y), the process proceeds to the step 120 and the first switch 22 is turned on. Is set to the flag F1 indicating the state of the switch 22. If it is determined in step 110 that the first switch 22 is not turned on (N), the process proceeds to step 130, where 0 is set in the flag F1.
[0022]
Then, in step 140, it is determined whether or not the second switch 12 is turned on. If the second switch 12 is turned on (Y), the process proceeds to step 150 and the state of the second switch 12 is changed. 1 is set in the indicated flag F2. If it is determined in step 140 that the second switch 12 is not turned on (N), the process proceeds to step 160, where 0 is set in the flag F2.
[0023]
Accordingly, in step 170, it is determined whether or not both the first and second switches 22 and 12 are turned on. If only one of the switches is turned on, the process returns to step 110 to repeat the same determination. Things. The above operation is a state where the operation is stopped when the two switches 22 and 12 are not turned on in the electric circuit.
[0024]
If it is determined in step 170 that the first and second switches 22 and 12 are turned on, the operation of the so-called alarm device 1 is requested, and the crescent lock 6 is locked and the lock knob 11 is turned on. Is lowered and the crescent lock 6 is locked, the routine proceeds to step 180, where an alarm is set. In the electric circuit, the output to the alarm is held.
[0025]
Then, in step 190, it is determined whether or not the second switch 12 has been released. If the second switch 12 has not been released (N), the process proceeds to step 200, where the wiring section 3 (the closed circuit 3b and the wiring 3a) is connected. It is determined whether the disconnection has occurred. As a result, if there is no disconnection (N), the process proceeds to step 210, where a short circuit (short) of the wiring portion 3 is determined. If not (N), the process proceeds to step 230, Opening / closing of the first switch 22 is determined, and if the first switch 22 is not open (if the alarm set is not released), the determinations in steps 190 and 200 are repeated.
[0026]
If the first switch 22 has not been released (the alarm set has not been released) in the determination of step 190 and the second switch 12 has been opened (Y), or the determination of step 200 If it is determined that the wiring section 3 has been cut (Y), or if it is determined in step 210 that the wiring section 3 has been short-circuited (Y), the process proceeds to step 220 and a signal is sent to the speaker 21. Is output and an alarm is issued. This alarm continues to operate until the first switch 22 is opened in the determination at step 230. If it is determined in step 230 that the first switch 22 has been opened (Y), the process proceeds to step 240, the alarm is released, and the process returns to step 110.
[0027]
Further, when the alarm is activated in the step 220, the alarm may be continuously activated for a predetermined time even if the first switch 22 is opened by the timer mechanism.
[0028]
With the above configuration, the glass 13 near the locking device 4 of the sliding door 5 is broken by the intruder, and when the lock knob 11 is pressed down to release the locking mechanism of the locking device 4, the alarm unit main body 2 issues an alarm. Therefore, it is possible to recognize the illegal act of the intruder.
[0029]
FIG. 6 shows another embodiment of the second switch 12. In this embodiment, the wiring 3a is an optical fiber cable, and when the knob 11 of the lock mechanism is lowered, a piece constituting a part of the knob 11 or a piece 11a interlocked with the knob 11 is inserted into a gap of the optical fiber cable. It is inserted to block light, and recognizes that the second switch 12 is turned on. Further, instead of the optical fiber cable, a light emitting element and a light receiving element may be arranged before and after the piece 11a.
[0030]
In the embodiment shown in FIG. 7, when the alarm unit main body 2 is activated, a central alarm device 50 disposed in another part of the room is activated, a patrum, a bell, a siren or the like is activated, or the lighting of the house is turned on. It is also possible to do so. Further, the central alarm device 50 may include a communication device for transmitting an abnormality to a center 60 such as a security company or police.
[0031]
The embodiment shown in FIG. 8 shows a case in which the case 20A of the alarm unit main body 2 is provided integrally with the locking main body 40A. Thus, the alarm body 2 can be formed integrally with the locking device 6 by replacing the locking body 40 of the conventional locking device with the locking body 40A shown in FIG. The alarm unit main body 2A has, for example, an electric circuit 30 as shown in FIG. 4 in a case unit 20A, and is provided with a speaker 21A and a main switch (first switch) 22A. As a result, the same effects as in the above-described embodiment can be obtained.
[0032]
【The invention's effect】
As described above, according to the present invention, the switch for operating the alarm device is linked with the lock mechanism of the locking device, and the alarm is activated when the lock mechanism is released. An alarm device can be provided, and when the lock is released by breaking the glass, it is necessary to release the lock mechanism without fail, so that an alarm can be reliably issued for the illegal release of the lock. .
[0033]
Further, in order to cancel the alarm, it is necessary to cancel the switch on the alarm unit main body. Therefore, the alarm is activated at least for a predetermined time, so that it is possible to reliably recognize the abnormality.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram in a case where an alarm device according to an embodiment of the present invention is provided on a sliding door.
FIG. 2 is an explanatory diagram showing an example in which the alarm device according to the embodiment of the present invention is mounted on a crescent lock.
FIG. 3 is a schematic configuration diagram of an alarm unit main body according to the embodiment of the present invention.
FIG. 4 is a schematic configuration diagram of an alarm device according to an embodiment of the present invention.
FIG. 5 is a flowchart illustrating an example of control of the alarm device of the present invention.
FIG. 6 is an explanatory diagram showing an example of a second switch.
FIG. 7 is an explanatory diagram showing a further configuration of the alarm device of the present invention.
FIG. 8 is an explanatory diagram showing an embodiment in which an alarm device and a locking device are integrated.
[Explanation of symbols]
Reference Signs List 1 alarm device 2, 2A alarm unit main body 3 wiring unit 4 switch unit 5 sliding door 6 crescent lock 12 second switch 21, 22 speaker 22, 22A first switch 40, 40A locking main unit 50 central alarm unit 60 center

Claims (7)

In a locking device including a locking means for locking a door and a locking means for locking the locking means,
Alarm means,
First switch means provided on the alarm means for turning on and off the operation of the alarm means;
A second switch unit interlocked with a lock unit of the locking device,
An alarm device for a locking device, comprising: an alarm control unit that activates the alarm unit when the lock unit is released by the second switch unit after the first switch unit is turned on. The alarm device for a locking device according to claim 1, wherein the alarm device is provided integrally with the locking device. 2. The alarm device according to claim 1, wherein the alarm unit is disposed at a position separated from the locking unit by a predetermined distance. 4. The locking device according to claim 3, further comprising: a disconnection alarm unit that activates the alarm unit when a wire connecting the locking unit and the alarm unit is disconnected after the first switch is turned on. Alarm device. 5. The lock according to claim 3, further comprising: a short-circuit warning unit that activates the warning unit when a wiring connecting the locking unit and the warning unit is short-circuited after the first switch is turned on. Device alarm device. The alarm device for a locking device according to any one of claims 1 to 5, further comprising communication means for transmitting the alarm to a predetermined device when the alarm is activated. The alarm device according to any one of claims 1 to 6, wherein the second switch means uses an optical element.

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