JP2001182393A - Detecting device for locking or unlocking vault door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a detecting device for vault door locking and unlocking having a simple construction with less troubles. SOLUTION: This device includes an excitation means 10 contributing to the switching of a contact for a switch means 50 connected to an alarm delivery means 70 transmitting an alarm to a monitor center 90 and a switch means 50 for guiding alarm delivery by an alarm delivery means 70 by switching of the contact by this excitation means 10 in configuration.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safe door lock / unlock detection device capable of detecting the locked state or unlocked state of a cylinder lock of a safe door at a remote monitoring center.

[0002]

2. Description of the Related Art Conventionally, as a device for detecting a locked state or an unlocked state of a safe door, the safe is provided by a sensor which is installed inside the safe door and is pushed down and activated in conjunction with locking operation of a cylinder lock of the safe door. A device for detecting a locked or unlocked state of a door has been proposed.

[Problems to be solved by the invention]

[0003] However, in the conventional safe door lock / unlock detection device, since the sensor must be installed inside the safe door, it is necessary to perform wiring from the safe door side to the safe main body side. When opening and closing the door, the wiring may be caught between the safe body and the safe door, causing a disconnection and the sensor to stop functioning. As a sensor, a contact-type micro switch is usually used, If it gets too high, the operating part and the contact part of the switch will wear out and cause poor contact; in the case of a large safe, it is separated into a safe door and a safe body when transported, the weight is dispersed and transported and assembled at the installation site Most of them use the knockdown method, but in the case of a large safe using this knockdown method, wiring must be performed when assembling, and wiring work is troublesome and troublesome, Although Shirubebii wiring safe door and safe main body hinge side of hinged, wiring appearance for externally visible (appearance) is poor; time to wiring work takes a a problem such.

The present invention has been proposed in view of the above-mentioned problems, and an object of the present invention is to provide a safe door lock / unlock detection device which has a simple structure and has few failures.

It is another object of the present invention to provide a long-life safe door lock / unlock detection device for reliably detecting the locked state or unlocked state of a safe door for a long time.

It is another object of the present invention to provide a safe door unlocking / unlocking detecting device for detecting the opening of a safe door by a malicious third party.

[0007]

In order to solve the above-mentioned problems, a safe door lock / unlock detection device according to claim 1 is a safe which can detect a locked state and an unlocked state of a cylinder lock provided on a safe door. In the door lock / unlock detection device, a magnet disposed on the safe door side for opening and closing switch means, a switch means disposed on the safe main body side and closing a contact when the magnet approaches a predetermined distance, and a safe door. Provided with magnetic shut-off means interlocked with the locking operation of the cylinder lock of the safe door, wherein the magnet and the switch means are positioned to face each other when the safe door is closed, and when the safe door is closed. When the cylinder lock of the safe door is in the unlocked state, the magnetic shut-off means is located between the switch means and the magnet so that the switch means is less affected by the magnetic force of the magnet. On the other hand, in a state where the safe door is closed, when the magnetic shut-off means moves away from the position between the switch means and the magnet in conjunction with the locking operation of the cylinder lock of the safe door, the switch means sets the It is characterized in that it can detect the locked / unlocked state of the safe door by operating under the influence of the magnetic force by entering the magnetic field of the magnet.

According to a second aspect of the present invention, there is provided a safe door unlocking / unlocking detecting apparatus for detecting the locking state and unlocking state of a cylinder lock provided on a safe door at a remote monitoring center. A magnet disposed on a safe door, connected to alarm sending means for sending an alarm to a monitoring center and contributing to opening and closing of a switch means for guiding an alarm sent by the alarm sending means; Switch means for closing a contact when the magnet approaches a predetermined distance; and magnetic shutoff means disposed on the safe door and interlocking with locking operation of a cylinder lock of the safe door, wherein the magnet is provided in a state where the safe door is closed. With the safe door closed and the cylinder lock of the safe door in the unlocked state with the safe door closed, the switch means and the magnet are positioned between the switch means and the magnet. The switch means is not affected by the magnetic force of the magnet through the magnetic shut-off means, and when the cylinder lock of the safe door shifts to the locked state, the magnetic shut-off means moves in conjunction with the locking operation. Moving away from the position interposed between the switch means and the magnet, the switch means being affected by the magnetic force of the magnet, closing the contact point of the switch means, and detecting the locked / unlocked state of the safe door. Features.

According to a third aspect of the present invention, there is provided a safe door lock / unlock detection device capable of detecting a locked state and an unlocked state of a cylinder lock provided on a safe door at a remote monitoring center. An exciter provided on the safe door side, the apparatus being connected to alarm sending means for sending an alarm to the monitoring center and contributing to opening and closing of contacts of switch means for guiding the alarm sending by the alarm sending means; It is arranged on the safe body side,
Switch means for opening and closing the contacts by the exciting means to guide the alarm transmission by the alarm sending means; and magnetism arranged on the safe door side for interlocking with the locking / unlocking operation of the cylinder lock of the safe door and interrupting the magnetism of the exciting means. Shut-off means, wherein the excitation means and the switch means are arranged to face each other with the safe door closed, and the switch means is provided when the safe door is closed and the cylinder lock of the safe door is unlocked. When the safe door is closed and the safe door is locked, the switch means is turned on to unlock and unlock the safe door. It is characterized in that the state is placed in a detectable state.

[0010] A safe door lock / unlock detection device according to a fourth aspect of the present invention is a safe door lock / unlock detection device capable of detecting the locked state and unlocked state of a cylinder lock provided on a safe door, which is disposed on the safe door side. A magnet that contacts and separates the switch means to open and close the switch means, and a switch means that is disposed on the safe main body side and closes the contact when the magnet approaches a predetermined distance, in a state where the safe door is closed, In conjunction with the locking operation of the cylinder lock of the safe door, the magnet moves to a position facing the switch means and closes the contact of the switch means, while the magnet operates in conjunction with the unlocking operation of the cylinder lock of the safe door. Is moved and the switch means is outside the magnetic field of the magnet to open the contact point of the switch means so that the locked / unlocked state of the safe door can be detected. It is a safe door lock and unlock detection device that.

According to a fifth aspect of the present invention, there is provided a lock door unlocking / unlocking detecting device for detecting the locking state and unlocking state of a cylinder lock provided on a safe door at a remote monitoring center. A magnet disposed on a safe door, connected to alarm sending means for sending an alarm to a monitoring center and contributing to opening and closing of a switch means for guiding an alarm sent by the alarm sending means; Switch means for closing a contact when the magnet approaches a predetermined distance, and when the safe door is closed, the magnet moves to a position facing the switch means in conjunction with the locking operation of the cylinder lock of the safe door. Then, the contact of the switch means is closed, and the magnet moves in conjunction with the unlocking operation of the cylinder lock of the safe door, and the switch means turns the magnet of the magnet. A safe door lock-unlock detecting apparatus characterized by becoming the outside and can detect locking and unlocking states of the safe door by opening the contacts of the switch means.

According to a sixth aspect of the present invention, there is provided a safe door lock / unlock detection device capable of detecting a locked state and an unlocked state of a cylinder lock provided on a safe door at a remote monitoring center. An exciter provided on the safe door side, the apparatus being connected to alarm sending means for sending an alarm to the monitoring center and contributing to opening and closing of contacts of switch means for guiding the alarm sending by the alarm sending means; It is arranged on the safe body side,
Switch means for opening and closing the contacts by the exciting means and guiding the alarm transmission by the alarm transmission means, and in a state where the safe door is closed, the magnet and the switch means interlock with the locking operation of the cylinder lock of the safe door. The magnet is moved to the opposite position to close the contact point of the switch means, and the switch moves out of the magnetic field of the magnet in conjunction with the unlocking operation of the cylinder lock of the safe door. An unlock / unlock detection device for a safe door, characterized in that a lock state of the safe door can be detected by opening a contact of the means.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A safe door locking / unlocking detecting device according to the present invention is provided with an exciting means contributing to opening and closing of a contact point of a switch means connected to an alarm sending means for sending an alarm to a monitoring center, and the exciting means uses the exciting means. It is configured to include switch means for opening and closing the contacts to guide the alarm transmission by the alarm transmission means.

The opening and closing of the switch means (O
(N, OFF), the switching means may be opened and closed by interposing a magnetic blocking means between the exciting means and the switching means.

The exciting means may induce a magnetism by passing a current through a coil other than a magnet such as a permanent magnet.
When the exciting means is constituted by a magnet, the magnet is preferably made of an alloy (for example, an alloy of alnico, nickel, cobalt, iron, or copper) or ferrite which can obtain a strong magnetism with a small size.

The magnetic interrupting means is configured to interrupt the magnetic force of the exciting means using a nonmagnetic metal such as lead or nickel, or to absorb the magnetic force of the exciting means using a magnetic metal such as iron. In this case, the magnetic force may be prevented from affecting the others.

The safe includes a safe main body, a safe door rotatably hinged to a front opening of the safe main body, an inner surface of the safe door, and a rotation of a handle provided on a front surface of the safe door to rotate the safe main body. The deadbolt is attached to the safe door side and the deadbolt is provided on the safe door side. When locked, the deadbolt is held in the safe body, and when unlocked, the deadbolt can be freely disengaged from the safe body. Equipped with a cylinder lock.

[0018]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an embodiment of a safe door lock / unlock detection device according to the present invention. (Embodiment 1) FIG. 1 schematically shows the entire structure of a safe door lock / unlock detection device according to the present invention, and FIGS. 2 and 3 show the inside structure of the safe door of the safe door lock / unlock detection device. In the embodiment shown in FIG. 1, the safe 2 includes a safe main body 3 and a safe door 4 rotatably hinged to a front opening of the safe main body 3, and is provided on an inner surface side of the safe door 4. Three dead bolts 105, 106, and 107 that are extended around the safe door 4 by the rotation of a handle (opening means) 40 provided on the front surface of the safe door 4 and engaged with and disengaged from the safe main body 3; Are provided for the dead bolts 105, 106, 107, and when locked, the dead bolts 105, 106, 107 are held in a state of being locked to the safe body 4, and when unlocked, the dead bolts 105, 106, 107 are released. The safe is provided with a cylinder lock 20 which is detachable from the main body. The dead bolts 105, 106, 107
Is formed at the distal end of the tightening mechanism 100 and moves linearly in the horizontal direction or the vertical direction.

In the cylinder lock 20, the key 21 is inserted into the keyhole, the inner cylinder of the cylinder is rotated, and the locking / unlocking of the safe door 4 is switched. At this time, the rotation of the inner cylinder of the cylinder is transmitted to the locking / unlocking interlocking portion (cam) 103 provided on the inner surface side of the safe door 4.

When the handle 40 is rotated, a latch bolt (not shown) provided on the safe door 4 is locked to the safe main body 3 in the same manner as the dead bolts 105, 106 and 107, and the safe door is closed. Opening and closing is performed. The handle 40 is locked and does not rotate when the cylinder lock 20 is in the locked state.

The lock door unlocking detection device 1A shown in FIG.
In order to detect a locked state or an unlocked state of the cylinder lock 20 provided on the safe door 4, there are provided an exciting unit 10, a magnetic shutoff unit 30 for shutting off a magnetic force of the exciting unit 10, and a switch unit 50. ing.

The exciting means 10 is formed of a magnet (for example, a permanent magnet) and is disposed on the safe door 4 side. Further, the excitation means 10 includes a monitoring center 90.
The alarm sending means 70 sends an alarm to the switch means 50 to open and close the contact of the switch means 50.

The magnetic shielding means 30 is provided on the safe door 4 side. The magnetic shut-off means 30 is formed by an L-shaped arm rod, a central portion (pivot point) 30A of which is pivotally supported by the safe door 4, and a base end portion of which is pivotally attached to the locking / unlocking interlocking portion 103. I have. The magnetic shut-off means 30 is interlocked with the locking / unlocking operation of the cylinder lock 20 of the safe door 4 (movable in response).
Then, the magnetism of the exciting means 10 is cut off.

The switch means 50 is constituted by a reed switch disposed on the safe main body 4 side. The contact is opened and closed by the exciting means 10 to turn on and off the current to the alarm sending means 70, and the alarm is sent by the alarm sending means 70. Guide sending. That is, the switch means 50 is placed in a state where the contact can be closed when the exciting means 10 approaches a predetermined position, and the contact is opened when the excitation means 10 is separated from the predetermined position. In addition,
The magnetic shut-off means 30 and the switch means 50 are arranged to face each other when the safe door 4 is completely closed at the front opening of the safe main body 3.

Thus, when the safe door 4 is completely closed, the exciting means 10 and the switch means 50 face each other,
When the cylinder lock 20 of the safe door 4 is in the unlocked state, the magnetic shutoff means 30 is interposed between the switch means 50 and the excitation means 10 so that the switch means 50 is turned off.
Change to F. Meanwhile, the safe door 4 is closed and the safe door 4 is closed.
When the cylinder lock 20 is in the locked state, the switch means 50 is turned on to put the locked / unlocked state of the safe door 3 in a detectable state (when the safe door 4 is closed, the excitation means 10 and the switch means 50 are closed). In this state, when the cylinder lock 20 of the safe door 4 is in the unlocked state, the magnetic shut-off means 30 is interposed between the switch means 50 and the exciting means 10 so that The switch means 50 is not affected by the magnetic force of the excitation means 10. On the other hand, when the cylinder lock 20 of the safe door 4 is locked in a state where the safe door 4 is closed, the lock operation is interlocked with the locking operation. The magnetic cutoff means 30 is separated from the position interposed between the switch means 50 and the excitation means 10, and the switch means 50 enters the magnetic field of the excitation means 10 and has the effect of the magnetic force. Contact of the switching means 50 receives the closed put unlocking state of the safe door 4 to the detection state.).

Next, the final tightening mechanism 100 provided on the inner side of the safe door 4 will be described with reference to FIGS. On the inner surface side of the safe door 4, in addition to the exciting means 10 and the magnetic shielding means 30, a locking / unlocking part 102 forming a part of the cylinder lock 20, which is linked to the operation of the locking / unlocking part 102. Locking / unlocking interlocking part (cam) 103, door opening means interlocking part (cam) 104 connected to the handle (door opening means) and interlocked with the operation of the handle, first dead bolt 105,
Second dead bolt 106, third dead bolt 10
7, the first L-shaped connecting rod 108, the second L-shaped connecting rod 1
09 is provided. The first L-shaped connecting rod 108
The central part (pivot point) 108A is pivotally supported by the safe door 4 and one end is connected to the first dead bolt 105A.
And the other end is pivotally connected to the second dead bolt 106. Further, the second L-shaped connecting rod 109 has a central portion (a pivot point) 109A.
Are pivotally supported by the safe door 4, one end is pivotally connected to the bar rod 110, and the other end is pivotally connected to the third deadbolt 107. And the locking / unlocking interlocking unit 1
03, first to third deadbolts 105 to 107, first
The tightening mechanism 100 is constituted by the L-shaped connecting rod 108, the second L-shaped connecting rod 109, and the bar 110.

The locking / unlocking interlocking unit 103 is, as described above,
The locking / unlocking part 10 forming a part of the cylinder lock 20
2, the locking / unlocking operation of the locking / unlocking unit 102,
That is, when the key 21 is inserted into the keyhole of the cylinder lock 20 and the cylinder is rotated, the rotation of the inner cylinder of the cylinder is transmitted to the lock / unlock unit 103. The locking / unlocking interlocking unit 103
Is pivotally connected to the base end of the magnetic shut-off means 30, and the central part (pivot point) 30A of the magnetic shut-off means 30 is pivotally supported by the safe door 4, so that the magnetic shut-off means 30 In response to the operation of the locking / unlocking interlocking unit 103, it rotates about the pivot point 30A. That is, the locking and unlocking interlocking unit 10
When the motor 3 rotates counterclockwise from the state shown in FIG. 2, the free end of the magnetic blocking means 30 rises and moves to the position shown in FIG. Conversely, when the locking / unlocking interlocking unit 103 rotates clockwise from the state shown in FIG. 3, the free end of the magnetic blocking unit 30 moves down to the position shown in FIG. The bar 110 is provided with the locking / unlocking unit 102, the door opening means interlocking unit 104, the first L
The connecting lever 108 is connected to the L-shaped connecting rod 108 and the second L-shaped connecting rod 109. Only when the locking / unlocking unit 102 is in the unlocked state is the operation of the door opening means interlocking unit 104 interlocked with FIGS. It moves in the left-right direction in FIG. The door opening means interlocking unit 104 is connected to the handle 40 shown in FIG. 1 as described above, and rotates clockwise or counterclockwise by the rotation of the handle 40.

Thus, when the handle 40 of the safe door 4 is rotated while the locking / unlocking section 102 is in the unlocked state, the door opening means interlocking section 104 also rotates, and the second dead bolt 105 is also interlocked. It moves left and right in FIGS. 2 and 3. At this time, since the second dead bolt 106 is connected to the bar rod 110 via the first L-shaped connecting rod 108, the first dead bolt 105 moves rightward from the state of FIG. When moved, the first L-shaped connecting rod 108 rotates counterclockwise about the pivot point 108A, and the second dead bolt 106 rises (see FIG. 2). Conversely, when the first dead bolt 105 moves leftward from the state shown in FIG. 2, the first L-shaped connecting rod 108 rotates clockwise about the pivot point 108A, and the second dead bolt 105 rotates clockwise. The bolt 106 moves down (see FIG. 3). On the other hand, since the third dead bolt 107 is connected to the bar rod 110 via the second L-shaped connecting rod 109, the first dead bolt 105 is
Then, the second L-shaped connecting rod 109 rotates clockwise about the pivot point 109A, and the third dead bolt 107 descends (see FIG. 2). Conversely, when the first dead bolt 105 moves leftward from the state of FIG. 2, the second L-shaped connecting rod 109 rotates counterclockwise about the pivot point 109A, and the third L-shaped connecting rod 109 rotates in the counterclockwise direction. The dead bolt 107 rises (FIG. 3
reference).

Reference numeral 75 denotes a lead wire,
0 and the alarm sending means 70 are connected so as to form a loop. The alarm sending means 70 outputs an alarm to the monitoring center 90 when the contact of the switch 50 is opened and the current stops flowing through the lead 75 forming a loop while the current is flowing through the lead 75. Further, the alarm transmitting means 70 starts the security when the security signal transmitted from the security mode switching means 80 is input, and releases the security when the security release signal is input. Further, when a security signal of the security mode switching means 80 is input while the contact point of the switch means 50 is in an open state, a lighting means (a lamp or the like; not shown) or a sounding means (a buzzer or the like; not shown) is activated. .

The security mode switching means 80 sends a security signal or a security release signal to the alarm sending means 70 by the operation of the operator.

Reference numeral 120 denotes a hook on one end of the bar rod 1 in order to keep the switching mode of the tightening mechanism 100 good.
Reference numeral 10 denotes a coil spring in which the other end hook is wound around the third dead bolt 107, and constitutes a click mechanism.

(Operation) The operation of the first embodiment will now be described. Now, assuming that the safe door 4 of the safe 2 is closed and unlocked in the security released state, the magnetic shut-off means 30 of the safe door 4 is located between the switch means 50 and the exciting means 10 as shown in FIG. And the magnetic force of the excitation means 10 is shut off. Therefore, the contact of the switch means 50 is in the open state. Thus, no current flows in the loop of the lead wire 75 because the contact of the switch means 50 is open.
Here, if the security mode switching means 80 is switched from the security released state to the security state without locking the safe door 3, the security mode switching means 80 sends a security signal to the alarm sending means 70. Since no current is flowing through the lamp, the lighting means and the sounding means are activated and the operator is urged to perform an inspection by a lamp, a buzzer or the like. Handle 40 is cylinder lock 2
Since 0 is in the unlocked state, it can be moved freely and the safe door 4 can be freely opened and closed.

Next, the case where the safe 2 is locked in the security released state will be described. At this time, the safe door 4 is in the state shown in FIG. 2, and the first to third dead bolts 105, 10
6 and 107 are receiving portions 5 formed on the safe main body 3 respectively.
6 and 7 are engaged. In this state, the safe door 4 is closed and in the locked state, the switch means 50 and the excitation means 10 are close to each other, and the magnetic cutoff means 30 does not block the magnetic force of the excitation means 10, so that the contact of the switch means 50 is in the closed state. Becomes At this time, the handle 40 is locked and does not move because the cylinder lock 20 is in the locked state. Thus, a current is flowing in the loop of the lead wire 75 since the contact of the switch means 50 is closed. Here, when the security mode switching means 80 is switched from the security released state to the security state, the security mode switching means 80 sends a security signal to the alarm sending means 70. If a malicious third party pryes open the safe door 3 during this security state, the switch means 50 and the exciting means 10 are separated by a predetermined distance or more, so that the magnetic force of the exciting means 10 is lost and the contact of the switch means 10 is opened. Migrate and lead 75
, And the alarm sending means 70 sends an alarm to the remote centralized monitoring center 90.

(Embodiment 2) Next, a second embodiment will be described with reference to FIGS. Here, the same reference numerals are given to the same portions as those in the first embodiment, and the description of the overlapping portions will be omitted. FIG. 4 shows an overall configuration of a safe door lock / unlock detection device according to a second embodiment of the present invention, and FIGS. 5 and 6 show schematic configurations of an inner surface side of the safe door of the safe door lock / unlock detection device.

Safe Door Locking / Unlocking Device 1 in Second Embodiment
B has a magnet disposed on the safe door side and provided with a magnet for opening and closing the switch means; a switch means disposed on the safe main body side and closing the contact when the magnet approaches a predetermined distance. point;
This is the same as the first embodiment, except that when the magnet and the switch unit approach each other, the magnet and the switch unit oppose each other without passing through a specific member (the magnet and the switch unit close the safe door and lock the safe door. Is arranged so as to be opposed at a certain time), which is different from the first embodiment.

Since the rotation of the handle 40 of the safe door 4 is transmitted to the door opening means interlocking section 104, the door opening means interlocking section 104 rotates in conjunction with the rotation of the handle 40. Further, a third L-shaped connecting rod 1 is
28 is connected to one end. The central portion (pivot point) 128A of the third L-shaped connecting rod 128 is pivotally supported by the safe door 4, and the other end is connected to the base end of the movable plate 130 having the magnet fixed to the tip thereof. Being pivoted. Thus, since the third L-shaped connecting rod 128 is connected to the locking / unlocking interlocking unit 103,
Rotates around the pivot point 128A in response to the rotation of
When the locking / unlocking interlocking portion 103 rotates clockwise from the position shown in FIG. 6, the third L-shaped connecting rod 128 moves to the position shown in FIG. 5, and the movable plate 130 also moves upward while being guided. When the locking / unlocking interlocking portion 103 rotates counterclockwise from the state shown in FIG. 5, the third L-shaped connecting rod 128 moves to the position shown in FIG. 6, and accordingly, the movable plate 130 also descends.

(Operation) The operation of the second embodiment will now be described. Now, it is assumed that the safe 2 is released in the security released state. At this time, the magnet 10 is at the position shown in FIG. 6, and the switch means 50 is out of the magnetic field of the magnet 10 to open the contact. The handle 40 is a locking / unlocking unit 102
Is unlocked, it can operate freely and can open and close the safe door 4.
The alarm sending means 70 tries to supply a current to the lead wire 75, but no current flows to the loop of the lead wire 75 because the contact point of the switch means 50 is open.

Here, security mode switching means 80 without locking
When the security mode is switched from the security release state to the security state, the security mode switching means 80 sends a security signal to the alarm sending means 70, but since no current flows through the lead wire 75, the alarm sending means 70 is operated by a lamp or a buzzer or the like. Urge the person to check.

Next, the case where the safe 2 is locked in the security released state will be described. At this time, the safe door 4 is
And the first to third dead bolts 105, 1
Reference numerals 06 and 107 are respectively extended from the safe door 4 and engaged with the receiving portions 5, 6 and 7 of the safe main body 3, respectively. Since the safe door 4 is closed and further locked, the switch means 50 is close to the magnet 10 and closes the contact. The handle 40 is locked and does not move because the locking / unlocking unit 102 is in the locked state. Further, the alarm sending means 70 supplies a current to the lead 75, and the contact of the switch means 50 is closed, so that a current flows in the loop of the lead 75. At this time, the locking / unlocking display section 71 constituting the alarm sending means 70 detects that a current is flowing through the lead wire 75, and displays that it is in the locked state. here,
When the security mode switching means 80 is switched from security release to security, the security mode switching means 80 transmits a security signal to the alarm sending means 70. When the alarm sending means 70 confirms that the current is flowing through the lead wire 75, the alarm sending means 70 switches from the security release state to the security state. If a malicious third party pryes open the safe door 4 from the safe main body 3 during this security state, the switch means 50 and the magnet 10 are separated by a predetermined distance or more, so the switch means 50 loses the magnetic force of the magnet 10 and opens the contact. Then, the alarm sending means 70 detects that the current stops flowing through the lead wire 75 and outputs an alarm to the centralized monitoring center 90.

[0040]

The present invention is constituted as described above, and has the following effects according to the present invention. A safe door lock / unlock detection device having a simple structure and having few failures can be obtained. A long-life safe door lock / unlock detection device that reliably detects the locked state or unlocked state of the safe door over a long period of time is obtained. A safe door lock / unlock detection device for detecting the opening of the safe door by a malicious third party is obtained.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing the entire configuration of a safe door lock / unlock detection device according to the present invention.

FIG. 2 is a schematic diagram showing a configuration of an inner surface side of the safe door of the safe door locking / unlocking detection device shown in FIG. 1, showing a locked state, a state in which a magnetic blocking unit is lowered, and a tightening mechanism is operating. is there.

FIG. 3 is a schematic view showing a configuration of an inner surface side of the safe door of the safe door locking / unlocking detecting device shown in FIG. FIG.

FIG. 4 is a schematic diagram of the entire configuration showing the configuration of another safe door lock / unlock detection device.

5 is a schematic diagram showing a configuration of an inner surface side of the safe door of the safe door lock / unlock detection device shown in FIG. 4, in a locked state, and in a state in which a tightening mechanism is operating.

6 is a schematic diagram showing a configuration of an inner surface side of the safe door of the safe door locking / unlocking detection device shown in FIG. 4, and showing an unlocked state.

[Explanation of symbols]

 1A Safe Door Lock / Unlock Detector 1B Safe Door Lock / Unlock Detector 2 Safe 3 Safe Main Body 4 Safe Door 10 Exciting Means 20 Cylinder Lock 21 Key 30 Magnetic Blocking Means 40 Handle 50 Switch Means 70 Alarm Transmission Means 80 Security Mode Switching Means 100 Security Mechanism 102 Locking / unlocking unit 103 Locking / unlocking interlocking unit 104 Door opening means interlocking unit

Claims (6)

[Claims] 1. A safe door lock / unlock detection device capable of detecting a locked state and an unlocked state of a cylinder lock provided on a safe door, a magnet disposed on the safe door side for opening and closing a switch means, and a safe body. Switch means for closing a contact when the magnet approaches a predetermined distance, and magnetic shut-off means disposed on the safe door and interlocking with the locking operation of the cylinder lock of the safe door. In a closed state, the magnet and the switch means are positioned so as to face each other. When the safe door is closed and the cylinder lock of the safe door is in the unlocked state, the magnetic shutoff is provided between the switch means and the magnet. Means to prevent the switch means from being affected by the magnetic force of the magnet, while, in the closed state of the safe door, the locking operation of the cylinder lock of the safe door. When the magnetic shut-off means moves away from the position between the switch means and the magnet in conjunction therewith, the switch means enters the magnetic field of the magnet and operates under the influence of the magnetic force to detect the locked / unlocked state of the safe door. A lock door lock / unlock detection device, characterized in that: 2. A safe door locking / unlocking detecting device which can detect a locked state and an unlocked state of a cylinder lock provided on a safe door at a remote monitoring center, connected to an alarm sending means for sending an alarm to the monitoring center. And a magnet disposed on the safe door, which contributes to the opening and closing of the switch means for guiding the alarm transmission by the alarm transmitting means, and a switch means disposed on the safe main body side and closing the contact when the magnet approaches a predetermined distance. And a magnetic shut-off means arranged on the safe door and interlocking with the locking operation of the cylinder lock of the safe door, wherein the magnet and the switch means are positioned so as to face each other with the safe door closed, When the cylinder lock of the safe door is in the unlocked state in the closed state, the magnetic shut-off means is interposed between the switch means and the magnet to switch the switch. When the cylinder lock of the safe door shifts to the locked state while the means is not affected by the magnetic force of the magnet, the magnetic blocking means moves in conjunction with the locking operation and moves between the switch means and the magnet. A safe door lock / unlock detection device, wherein the switch means is away from the intervening position, and the switch means is affected by the magnetic force of the magnet to close the contact of the switch means so that the locked / unlocked state of the safe door can be detected. 3. A safe door lock / unlock detection device capable of detecting a locked state and an unlocked state of a cylinder lock provided on a safe door at a remote monitoring center, wherein the alarm sends an alarm to the monitoring center. Exciting means connected to the sending means and contributing to the opening and closing of the contact of the switch means for guiding the alarm sending by the alarm sending means, arranged on the safe door side, and arranged on the safe main body side and contacted by the exciting means And a switch means for opening and closing to guide the alarm transmission by the alarm transmission means, and a magnetic shutoff means disposed on the safe door side, interlocking with the locking and unlocking operation of the cylinder lock of the safe door, and shutting off the magnetism of the excitation means. When the safe door is closed, the exciting means and the switch means are arranged so as to face each other, and when the safe door is closed and the cylinder lock of the safe door is unlocked, the switch means and the exciting means are connected to each other. Before When the safe door is closed and the safe door is locked, the switch means is turned on to detect the locked / unlocked state of the safe door. A safe door lock / unlock detection device characterized by being placed. 4. A safe door locking / unlocking detection device capable of detecting a locked state and an unlocked state of a cylinder lock provided on a safe door, which is disposed on the safe door side, contacts and separates a switch means to open and close the switch means. A magnet, and switch means disposed on the safe main body side for closing a contact when the magnet approaches a predetermined distance. In a state where the safe door is closed, the lock interlocks with a locking operation of a cylinder lock of the safe door. The magnet moves to a position facing the switch means to close the contact point of the switch means, while the magnet moves in conjunction with the unlocking operation of the cylinder lock of the safe door, and the switch means moves the magnetic field of the magnet. An unlock / unlock detection device for a safe door, wherein the unlocked / unlocked state of the safe door can be detected by opening the contact of the switch means outside. 5. A safe door locking / unlocking detecting device which can detect a locked state and an unlocked state of a cylinder lock provided on a safe door at a remote monitoring center, and connected to alarm sending means for sending an alarm to the monitoring center. And a magnet disposed on the safe door, which contributes to the opening and closing of the switch means for guiding the alarm transmission by the alarm transmitting means, and a switch means disposed on the safe main body side and closing the contact when the magnet approaches a predetermined distance. In a state in which the safe door is closed, the magnet moves to a position facing the switch means in conjunction with the locking operation of the cylinder lock of the safe door to close the contact point of the switch means. The magnet moves in conjunction with the unlocking operation of the cylinder lock, and the switch means is out of the magnetic field of the magnet to open the contact point of the switch means. Safe door unlocking detection device, characterized in that to enable detecting the locking and unlocking states of the safe door by the. 6. A safe door lock / unlock detection device capable of detecting a locked state and an unlocked state of a cylinder lock provided on a safe door at a remote monitoring center, wherein the alarm sends an alarm to the monitoring center. Exciting means connected to the sending means and contributing to the opening and closing of the contact of the switch means for guiding the alarm sending by the alarm sending means, arranged on the safe door side, and arranged on the safe main body side and contacted by the exciting means Switch means for opening and closing and guiding the alarm transmission by the alarm transmission means, and in a state in which the safe door is closed, the magnet moves to a position facing the switch means in conjunction with the locking operation of the cylinder lock of the safe door. Then, the contact of the switch means is closed, and the magnet is moved in conjunction with the unlocking operation of the cylinder lock of the safe door, and the switch means is out of the magnetic field of the magnet. Safe door unlocking detection apparatus characterized by enabling detecting locking and unlocking states of the safe door by opening the contacts of the switch means.