JP2718644B2 - Seismic door lock device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention automatically locks the doors of various cupboards such as a cupboard in the event of an earthquake, and removes broken or dangerous materials such as tableware stored in the cupboards. The present invention relates to a seismic door lock device for protecting the vehicle from being released to the floor and falling to the floor to prevent injuries.

[0002]

2. Description of the Related Art Generally, cupboards and the like are equipped with some kind of door lock device. As these door lock devices, a key insertion type device configured to prevent a door from being opened by inserting a key, a screw fastening type device configured to prevent a door from being opened by tightening a screw, and the like. There is. These door lock devices are
Most are manually operated. It has been proposed that the locking is performed mechanically when the vibration exceeds a certain level.

[0003]

The conventional door lock device is of a manual operation type or a mechanical vibration detection type, and therefore is insufficient as a means for protecting against an earthquake. In other words, it is impossible to predict when an earthquake will occur, and the magnitude and type of shaking will vary. For this reason, if the manually operated door lock device is not locked or if an earthquake with a complicated swinging direction and a shaking that cannot be detected by mechanical vibration detection occurs, tableware and other Things are likely to be thrown out, fall to the floor, break and scatter around. If this happens, it will not even be possible to step in.
In particular, it is very dangerous if the above situation occurs while cooking in the kitchen or while eating near the cupboard.

An object of the present invention is to provide the following seismic door lock device.

(A) When an earthquake or the like occurs and the swing of the closet exceeds a set limit, the door of the closet is automatically locked, and tableware and the like stored in the closet are discharged to the outside. Door lock device that can prevent accidents and ensure high safety.

[0006]

[0007]

Means for Solving the Problems To solve the above problems and achieve the object, a seismic door lock device of the present invention is configured as follows.

(1) The seismic door lock device according to the present invention includes a seismic means provided to transmit a drive signal when the swing of the cabinet exceeds a set limit, and a drive transmitted from the seismic means. A lock mechanism that is driven by a signal to lock the door of the closet, and that the lock state of the door by the lock mechanism can be unlocked according to the internal state of the closet
Like, it has a simultaneous unlock switch and an individual unlock switch
And unlocking means was, b of the lock mechanism by the seismic means
Unlocking the lock mechanism by the unlocking means.
Means for prioritizing over operation . (2) The seismic door lock device according to the present invention is the device described in (1) above, wherein the lock mechanism is configured to back up when a power failure occurs.
Provided to operate by receiving power supply from backup battery
It is characterized by being an electromagnetic lock mechanism provided .

[0009]

[0010]

[0011]

1 (a), 1 (b) and 1 (c) are views showing the structure of a seismic door lock device according to an embodiment of the present invention. In FIG. 1, reference numeral 10 denotes a cupboard, which is installed above a sink 20. A plurality (four in this embodiment) of doors 11, 12, 13, 14 are provided on the front surface of the cupboard 10 so as to be openable and closable. Each of the above doors 11, 12, 1
Electromagnetic lock mechanisms 31, 32, 33, 34 are mounted near the upper ends of the three and 14, respectively. These electromagnetic lock mechanisms 31, 32, 33, 34 are provided so as to be lockable so as to prohibit the doors 11, 12, 13, 14 from being opened during operation. That is, each of the electromagnetic lock mechanisms 31, 32, 33, 34
An electromagnetic solenoid portion fixed to the upper edge of the opening of each storage chamber (3 in the case of the electromagnetic lock mechanism 31 as an example).
1a) and a stopper (31b in the case of the electromagnetic lock mechanism 31) fixed to the upper part of the opening / closing end of each door 11, 12, 13, 14; Is to be performed.

A controller 4 is provided on the bottom of the cupboard 10.
0 is attached. The controller 40 has a seismic sensor described later. When a large shake exceeding a set limit is detected due to an earthquake or the like, a drive signal is transmitted to the electromagnetic lock mechanisms 31, 32, 33, and 34 via the cable 45. And these electromagnetic lock mechanisms 31, 32, 3
3, 34 are operated simultaneously to perform locking. The electromagnetic lock mechanisms 31, 32, 33, 34
The operation time required for locking and the recovery time required for unlocking are about 0.2 seconds.

FIG. 2A is a top view showing the detailed structure of the electromagnetic lock mechanism, taking the electromagnetic lock mechanism 31 as an example. As shown in FIG.
The electromagnetic solenoid section 31a stores a solenoid S inside a metal case C that can be fixed to the upper end edge of the opening in each storage room of the closet 10, and causes the slide pin P to advance and retreat by a distance X by the solenoid S. It is gaining. The stopper 31b of the electromagnetic lock mechanism 31 is:
An engagement hole H into which the slide pin P can be inserted is provided on the other side of the L-shaped member F whose one side is screwed to an upper portion of the open / close end of the door 11 or the like. Thus, the solenoid S of the electromagnetic solenoid section 31a is excited and the slide pin P
When X moves forward by X, its tip is inserted into and engaged with the engagement hole H to be in a locked state. Conversely, the electromagnetic solenoid 31
When the excitation of the solenoid S is cut off and the slide pin P is moved backward by X by a return spring (not shown), the leading end of the slide pin P is disengaged from the engagement hole H and is unlocked.

FIG. 2B is a perspective view showing the appearance of the controller 40. As shown in the figure, a rectangular mounting plate 41 is screwed to the upper surface of the controller 40. A circular mounting hole 41a is provided at one end of the mounting plate 41, and an arc-shaped mounting hole 41b is provided at the other end. The controller 40 uses these mounting holes 41a and 41b to, for example,
0 is attached to the bottom. In the vicinity of the arc-shaped mounting hole 41b, height adjusting screws 41c and 41d are provided.
Is attached. These height adjustment screws 41c and 41d change the attitude of the controller 40 with respect to the bottom surface of the cupboard 10 by appropriately adjusting them.
This is for adjusting the controller 40 so as to maintain the levelness. The level is determined by a level 42 mounted on the front of the controller 40.
An operation panel 43 is mounted on the front of the controller 40, and a seismic sensor 44 incorporated in a control circuit described later is housed inside the controller 40.

The operation panel 43 includes a main switch (power switch) 51, one simultaneous unlock switch 52,
There are provided ten individual unlock switches 53, a mode changeover (automatic / manual changeover) switch 54, and a sensitivity adjustment knob 55. Mode switching (auto-manual switching)
The switch 54 automatically locks all the lock mechanisms 31 to 34 when the operation conditions are satisfied, and locks or locks the lock mechanisms 31 to 34 manually or individually using the individual unlock switch 53. A switch for switching to a manual locking mode for unlocking. Each switch is L
Built-in ED, main switch (power switch)
The LED 51 is turned on when the switch 51 is on, and the simultaneous unlock switch 52 and the individual unlock switch 53 are turned on when the lock mechanisms 31 to 34 are locked, and the mode is switched (automatically).
The LED of the (manual switching) switch 54 is turned on in the automatic locking mode, and turned off in all other cases. In this embodiment, the circuit connection is made so that the first to fourth switches among the ten individual unlock switches 53 correspond to the lock mechanisms 31 to 34.

FIG. 3 is a block diagram showing a configuration of a control circuit built in the controller 40 together with a power supply, operation switches, a seismic sensor, and the like. As shown in the figure, the control circuit includes an AC-DC control circuit A on a control board A centered on a control section 60 containing a microcomputer and a ROM.
A converter 61, a backflow preventing diode 62, a DC
A DC converter 63, a waveform shaping circuit 64 for shaping an input signal waveform from the seismic sensor 44, a sensitivity adjustment unit 65 for adjusting and setting the operation sensitivity in accordance with the operation of the sensitivity adjustment knob 55, A solenoid drive unit 66 for sending a drive signal to each solenoid S of the lock mechanisms 31 to 34, a buzzer drive unit 67 for sending a drive signal to the buzzer 68, and the like are mounted. Note that in FIG.
A 100 volt commercial AC power supply, 71 is a panel heater for preventing dew condensation, and 72 is a 12 VDC battery (lead storage battery) as a backup battery.

The vibration sensor 44, which is a vibration sensor, is, for example, a mercury-type vibration sensor. The function of the vibration sensor 44 is to detect the vibration regardless of the direction of the vibration and to include seismic intensity information. It is provided to output a seismic signal. Further, when, for example, the volume or the like is variably adjusted by operating the sensitivity adjustment knob 55, the sensitivity adjustment unit 65 provides the control unit 60 with predetermined operation sensitivity data according to the result of the variable adjustment. When given the operation sensitivity data, the control unit 60 performs a control operation at the operation sensitivity. That is, when the seismic intensity included in the seismic signal from the seismic device 44 exceeds a certain threshold value corresponding to the operation sensitivity data, a lock mechanism driving command is issued.

The parts indicated by the reference numerals 44, 64, 60, 66 and 55, 65 and the like constitute the vibration sensing means of the present invention. The parts indicated by reference numerals 52, 53, 60, 66, etc. constitute the unlocking means of the present invention.

Next, the operation of this embodiment will be described. When the power plug is inserted into an AC 100 volt outlet and the main switch 51 is turned on when using the present apparatus, commercial AC power is supplied to the controller 40, and A
The C-DC converter 61 performs rectification conversion to a DC power supply of, for example, 12 volts DC. This rectified DC12
The volt DC power is supplied to a condensation prevention panel heater 71 and also to a battery (lead storage battery) 72 serving as a backup battery via a backflow prevention diode 62. Therefore, the battery (lead storage battery) 72 is charged. The DC 12 volt DC power supply comprises:
The power is supplied to the DC-DC converter 63 via the main switch 51 which has already been turned on. The voltage is reduced to a low voltage of, for example, about 5 volts DC, and then supplied to the control unit 60 as operating power.

As an initial operation of the apparatus, the unlocking operation of all the lock mechanisms 31 to 34 is performed unconditionally simultaneously with the supply of the operation power. At this time, the buzzer 68 sounds for several seconds (2 to 3 seconds) by the buzzer driving unit 67. The operation mode is set to the automatic locking mode.

The control unit 60 receives operation sensitivity data of the sensitivity adjustment unit 65 based on the operation of the sensitivity adjustment knob 55. Then, the seismic signal from the seismic sensor 44 is waveform-shaped by the waveform shaping circuit 64, and the apparatus enters a state of waiting for input to the control unit 60 as digital data.

Now, it is assumed that an earthquake has occurred and the cabinet 10 has shaken greatly. Then, a seismic signal is generated from the seismic device 44, which is input to the control unit 60 via the waveform shaping circuit 64. The magnitude of the seismic intensity information included in the input seismic signal is based on the operational sensitivity adjusted and set by the sensitivity adjusting unit 65 (for example, the operational sensitivity corresponding to the seismic intensity 5 [120 gal], which is the setting limit of the swing of the cabinet 10). Is exceeded, the control unit 60 immediately issues a lock mechanism drive command. This lock mechanism drive command is supplied to the solenoid drive section 66. Then, the solenoid drive section 66 is operated, and a drive signal is given to each of the lock mechanisms 31 to 34. For this reason, the lock mechanisms 31 to 34 operate simultaneously,
Each of the slide pins P is inserted into and engaged with the engagement hole H of each of the fasteners F to be in a locked state. At this time, the buzzer 68 sounds for several seconds, and the built-in LEDs of the first to fourth individual unlock switches 53 are turned on. Thus, each door 11 to 1 of the cupboard 10
The tableware 4 is locked so as not to open, and the tableware and the like stored in the closet 10 are shaken by the earthquake, and the doors 11 to 11 are displaced.
14 can be prevented from being thrown out.

After the earthquake has subsided, in order to arrange the interior of the cabinet 10, the simultaneous unlock switch 52 or the individual unlock switch 53 is turned on in accordance with the internal state of the cabinet 10, and necessary measures are taken. For example, if the damage inside the cabinet 10 is not so large, the simultaneous unlock switch 5
By turning on 2, all the doors 11 to 14 are opened at the same time, and only necessary portions in the storage room may be appropriately arranged. When the damage inside the closet 10 is extremely large or is predicted to be large, the individual unlocking switches 53 are turned on, for example, one by one while checking the situation in the storage room, and the items are sequentially arranged. To

When a power failure occurs, power is immediately supplied from the battery 72, which is a backup battery that has been constantly charged before the power failure, to the power supply. Therefore, even when an earthquake occurs during a power outage, the locking operation of the lock mechanism is performed in the same manner as during a non-power outage, so that the required functions of the present device can be exhibited without any trouble.

Since the locking operation of the lock mechanisms 31 to 34 by the vibration sensing means has priority over the unlocking operation of the lock mechanisms 31 to 34 by the unlocking means, the lock mechanisms 31 to 34 are unlocked individually or simultaneously. Even in the case where an earthquake occurs, the locking operation of the lock mechanisms 31 to 34 is executed immediately to ensure safety.

When the mode changeover switch 54 is set to the manual locking mode, the lock mechanisms 31 to 34 can be individually locked or unlocked by manually turning on and off the individual unlocking switch 53. Therefore, at the time of initial adjustment or at the time of malfunction, etc., each of the lock mechanisms 31 to 34 can be locked or unlocked on a trial basis, and the inspection operation can be easily performed.

The electromagnetic lock mechanisms 31 and 3 of this embodiment
Numerals 2, 33 and 34 are respectively fixed to an electromagnetic solenoid portion (31a in the case of the electromagnetic lock mechanism 31) fixed to the upper end edge of the opening of each storage and an upper portion of the open / close end of each door. It is made up of a stopper part (31b in the case of the electromagnetic lock mechanism 31 as an example), and is locked by engagement of both parts, so that it can be formed relatively small, and tableware and the like can be stored in a closet. Also, when storing or taking out from the storage device 10, it does not substantially obstruct it. Also, it can be easily attached to a cabinet that is already in use.

(Modifications) The above-described embodiment also includes the following modifications.

A device provided with a vibration sensing means for sending a drive signal to the lock mechanisms 31 to 34 based on a signal from the vibration sensor 44 obtained when the swing of the cabinet 10 has continued for a predetermined time or more.

A seismic sensor 44 obtained when the swing of the armoire 10 has a magnitude equal to or greater than a certain seismic intensity and continues for a certain time or more.
Equipped with a vibration sensing means for sending a drive signal to the lock mechanisms 31 to 34 based on a signal from the controller.

A large-scale device capable of simultaneously locking ten or more doors in a large closet. The one in which the controller 40 is mounted on the side surface of the closet 10 or on a nearby pillar.

Each lock mechanism 31-34 and cable 45
Connected between the two via a detachable connector.

Each of the lock mechanisms 31 to 34 is a magnetic holding type electromagnetic lock mechanism to reduce power consumption during the locking period.

(Summary of Embodiment) The configuration, operation and effect of the seismic door lock device shown in the embodiment are summarized as follows.

[1] The seismic door lock device shown in the present embodiment is provided with a seismic means (44, 64, 64) provided to transmit a drive signal when the swing of the armchair 10 exceeds a set limit.
60, 66 and 55, 65) and a lock mechanism 31 which is driven by a drive signal sent from the seismic means and is provided to lock the doors 11 to 14 of the closet 10.
To 34, and the doors 11 to 11 by the lock mechanisms 31 to 34.
Unlocking means (52, 53,
60, 66).

In the above-described seismic door lock device, when an earthquake or the like occurs and the swing of the armchair 10 exceeds a set limit, the seismic sensing means operates and a drive signal is transmitted, whereby the lock mechanisms 31 to 34 are transmitted. Operates. Therefore, when an earthquake occurs, the doors 11 to 14 of the closet 10 are automatically locked, and it is possible to properly prevent the tableware and the like stored in the closet 10 from being thrown out.

[2] The seismic door lock device shown in this embodiment is the device described in the above [1], wherein the vibration of the armchair 10 is greater than a certain seismic intensity. A drive signal is transmitted to the lock mechanisms 31 to 34 based on a signal from the seismic device 44 which is sometimes obtained.

In the above seismic door lock device, the lock mechanisms 31 to 34 operate only when the swing of the armoire 10 is equal to or higher than a predetermined seismic intensity.
It is possible to adjust the sensitivity so that 4 does not operate.
For this reason, when the seismic intensity is equal to or higher than a certain seismic intensity, it works properly, but an excessively responsive operation with respect to the fluctuation of the small seismic intensity is suppressed. Therefore, there is no possibility that a trouble caused by the excessive operation occurs, and stable operation can be expected.

[3] The seismic door lock device shown in this embodiment is the device described in the above [1], wherein the seismic means is obtained when the swing of the armoire 10 has continued for a predetermined time or more. The locking mechanism 31 is controlled based on a signal from the
To 34 are transmitted.

In the above-described seismic door lock device, the lock mechanisms 31 to 34 operate only when the swing of the armoire 10 has continued for a certain period of time or longer.
It is possible to adjust the sensitivity so that 4 does not operate.
For this reason, when the shaking continues for a certain period of time or more, it works properly, but the sensitive operation is restrained for the shaking for a short time. Therefore, there is no possibility that a trouble caused by the excessive operation occurs, and stable operation can be expected.

[4] The seismic door lock device shown in this embodiment is the device described in the above [1], wherein the seismic means is such that the swing of the armoire 10 is constant with a magnitude equal to or greater than a constant seismic intensity. It is characterized in that a drive signal is transmitted to the lock mechanisms 31 to 34 based on a signal from the seismic sensor 44 obtained when the operation is continued for a time or more.

In the above seismic door lock device, the lock mechanisms 31 to 34 operate only when the swing of the armoire 10 continues for a certain period of time at a certain seismic intensity or higher, and otherwise the sensitivity is set so that the lock mechanism does not operate. It is possible to adjust. For this reason, it will operate properly under the condition that the shaking is more than a certain seismic intensity and continued for more than a certain period of time, but it will suppress the sensitive operation to the shaking of the small seismic intensity or the shaking for a short time. Become. Therefore, there is no possibility that a trouble caused by the excessive operation occurs, and stable operation can be expected.

[5] The seismic door lock device shown in this embodiment is the device described in the above [1], wherein the lock mechanisms 31 to 34 are connected to the backup battery 72 during a power failure.
It is an electromagnetic lock mechanism that is provided so as to operate by receiving power supply from the power supply.

In the above seismic door lock device, when a power failure occurs for any reason, power is supplied from the backup battery 72 instead of the commercial power source, and the electromagnetic lock mechanisms 31 to 34 are operable. Is kept. Therefore, even if an earthquake occurs during a power outage, the lock mechanisms 31 to 34 are supplied with power from the backup battery 72 and operate without any trouble, so that the required functions are sufficiently exhibited.

[6] The seismic door lock device according to the present embodiment is the device according to [1], wherein the unlocking means unlocks a plurality of lock mechanisms 31 to 34 simultaneously. It is characterized by having a simultaneous unlock switch 52 and an individual unlock switch 53 for unlocking each of the lock mechanisms 31 to 34 individually.

In the above seismic door lock device, when taking out tableware or the like that has been damaged inside the closet 10 after the occurrence of an earthquake, the individual unlocking switch 53 or the like is checked while checking the internal condition of the closet 10. Simultaneous unlock switch 52
, The lock mechanisms 31 to 34 of the closet 10 can be unlocked and opened in a desired manner (order, timing, etc.). As a result, for example, after the occurrence of an earthquake, the doors 11 to 14 are unlocked all at once and
It is possible to avoid a situation in which the tableware 1 and the like that are opened and the damaged tableware and the like inside the cabinet 11 are released to the outside at once, and exhibit a scattering state.

[7] The seismic door lock device shown in this embodiment is the device according to the above [1], wherein the locking operation of the lock mechanisms 31 to 34 by the seismic means is performed by the unlocking means. It is characterized in that means for prioritizing the unlocking operations of the lock mechanisms 31 to 34 are provided.

In the above seismic door lock device, the locking operation of the lock mechanisms 31 to 34 by the seismic means is given priority over the unlocking operation of the lock mechanisms 31 to 34 by the unlock means. If an earthquake occurs while unlocking ~ 34 individually or all at once,
The unlocking operation is interrupted and the lock mechanisms 31 to 34 are immediately released.
Since the locking operation is performed, safety is ensured.

[0049]

According to the present invention, the following seismic door lock device can be provided.

(A) When an earthquake or the like occurs and the swing of the closet exceeds a set limit, the door of the closet is automatically locked, and tableware and the like stored in the closet are discharged to the outside. Door lock device that can prevent accidents and ensure high safety.

[0051]

[Brief description of the drawings]

FIG. 1 is a diagram showing a schematic configuration of a seismic door lock device according to one embodiment of the present invention.

FIGS. 2A and 2B are diagrams showing a main part configuration of a seismic door lock device according to one embodiment of the present invention, wherein FIG. 2A is a top view showing the structure of a lock mechanism, and FIG. .

FIG. 3 is a block diagram showing a configuration of a controller according to one embodiment of the present invention.

[Explanation of symbols]

10 ... cupboards 11, 12, 13, 14
… Door 20… Sinks 31,32,33,34
... Electromagnetic lock mechanism 31a ... Electromagnetic solenoid part 31b ... Fitting part 40 ... Controller 41 ... Mounting plate 41a, 41b ... Mounting hole 41c, 41d ... Height adjusting screw 42 ... Level 43 ... Operation panel 44 ... Seismometer 45 ... Cable 51 ... Main switch (power switch) 52 ... Simultaneous unlock switch 53 ... Individual unlock switch 54 ... Mode switch (automatic / manual switch) switch 55 ... Sensitivity adjustment knob

Claims (2)

(57) [Claims] When the swing of the closet exceeds a set limit, it is driven.
A seismic device provided to transmit a signal, and a drive signal transmitted from the seismic device,
A lock mechanism provided to lock the door of the closet
And the lock state of the door by this lock mechanismInside the closet
Simultaneous unlock switch and individual unit so that they can be unlocked according to the
With separate unlock switchUnlocking means,The locking operation of the lock mechanism by the seismic means
Priority given to unlocking operation of the lock mechanism by unlocking means
Means to cause  A seismic door lock device comprising: A lock mechanism is provided for backup during a power failure.
It is provided to operate by receiving power supply from the backup battery
The seismic door lock device according to claim 1, wherein the door lock device is an electromagnetic lock mechanism .