JPH04176978A - Locking/unlocking control device for storage room - Google Patents

Abstract

PURPOSE:To prevent an erroneous action to lock doors while they are opened by providing a control device having closed door confirming sensors detecting that the doors of a storage room are closed and a selection control circuit. CONSTITUTION:An electric lock device B automatically locking/unlocking the doors 13, 13 with an electric drive means 20 is provided on a storage room. A control device 2 having closed door confirming sensors 17, 17 detecting that the doors 13 are closed and a selection control circuit 48 sending a locking signal to the electric drive means 20 when a lock action switch 39a is operated and the closed door confirming sensors 17 are operated is provided on the device B. An error detecting circuit 49 detecting an error when the lock action switch 39a is operated and the closed door confirming sensors 17 are kept nonoperational may be added to the control device 2.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a locking/unlocking control device for a storage cabinet equipped with an electric locking device.

[Prior art] Cabinets, lockers, etc. equipped with electric locking devices.
A unit storage system in which multiple storages, such as bookshelves, are arranged in combination in an arbitrary layout, and the locking and unlocking of each storage can be centrally controlled and managed using operating devices installed at appropriate locations. There is.

[Problem to be solved by the invention]

In the unit storage system as described above.

The locking device of each storage is locked or unlocked based on a command from the operating device, but all storages may not be visible from the position of the operating device.

In this way, in the unlikely event that the storage door that cannot be seen from the position where the operating device is located is not completely closed and the locking device of the storage is locked using the operating device, the storage There is a risk that the storeroom may be left with the door open, which is undesirable in terms of management and theft prevention.

In view of the above-mentioned problems of the conventional technology, the present invention disables the locking of the electric locking device when the door is open, and also detects that the locking device is not locked. The purpose of the present invention is to provide a locking/unlocking control device for a storage cabinet.

[Means to solve the problem]

In order to achieve the above object, the present invention provides a locking/unlocking control device for a storage, which includes an electric locking device that can automatically lock and unlock the door by an electric drive means, which is provided in the storage,
A closed door confirmation sensor that detects that the door is closed, a locking operation switch, and electrically connected to the electric drive means, the closing door confirmation sensor, and the locking operation switch, so that the closing door confirmation sensor is activated and the locking operation switch is activated. and a control device having a selection control circuit that sends a locking signal to the electric drive means when activated.

In addition, instead of the above configuration, a closing confirmation sensor provided in the storage and detecting that the door is closed, a locking operation switch, a display device, the electric drive means, a closing confirmation sensor,
electrically connected to the lock operation switch and display device,
A selection control circuit that sends a locking signal to the electric drive means when the door closing confirmation sensor is activated and the locking operation switch is activated, and a display when the locking operation switch is activated and the closing door confirmation sensor is not activated. A control device having an error detection circuit that sends an error display signal to the device, or a locking detection sensor provided in the storage to detect that the electric locking device is locked, and a locking detection sensor provided in the storage, A closed door confirmation sensor that detects when the door is closed;
A locking control circuit electrically connected to the locking operation switch, the locking detection sensor, the electric driving means, the door closing confirmation sensor, and the locking operation switch, and sending a locking signal to the electric driving means by the operation of the locking operation switch; The control device may include a canceling circuit that sends an unlocking signal to the electric drive means when the detection sensor is activated and the closed door confirmation sensor is not activated.

It is even better if the cancellation circuit is provided with a function of sending an error display signal to the display device at the same time as outputting the unlock signal.

[For production]

If the locking operation switch is activated while the storage door is not completely closed, the closing confirmation switch is not activated at this time, so the locking signal is not sent to the electric drive means (Claim (1) ) and (2)), or - Immediately after a locking signal is sent to the vertical drive means and the electric locking device is locked, an unlocking signal is sent from the cancellation circuit to the electric drive means (claim (3) Invention) In any case, the electric locking device is not locked.

In such a case, an error display signal is sent from the error detection circuit or cancellation circuit to the display device, and the error state is displayed on the display device (Claims (2) and (4)
) According to the invention described in ), the malfunction state can be notified to the operator.

〔Example〕

Fig. 7 shows a unit storage system incorporating the locking/unlocking control device of the present invention. An operation panel (4) for the control device (2) is provided on the single-swing door (3) provided in the control device (2).

At the lower end of the right side of the control box (1), there are three flat underframes (5) (5) (
5) are placed side by side toward the right, and each underframe (5) contains a relay device (7) connected to the control device (2) with a cable (6).

On the left underframe (5), the left and right width and front and back length are shown on the underframe (5).
A large storage compartment (8) with equal length and height of 3/4 from the top of the underframe (5) to the top of the control box (1) is located on the right side of the control box (1). It is attached.

The storage compartment (8) has double doors (9) (9) on the front.
) has a built-in locking/unlocking device (A) that locks and unlocks both the upper and lower ends of the locking/unlocking device (A). The locking device (B) is connected to a lower relay device (7) with a cable (6).

Above the storage compartment (8), there is a 173 small storage compartment (10) with the same length as the storage compartment (8) in the left and right width and the front and back length, and the height of the storage compartment (8). ) is placed along the right side of the゛The storage compartment (10) has double doors (11) installed in the front.
It has a built-in locking/unlocking device 1 (A) that locks and unlocks the upper end of (11), and its electric locking device (B) is connected to the cable (
6) is connected to the lower relay device (7).

On the center underframe (5), the left and right width and front and back length are shown on the underframe (5).
The two medium-sized storage II (12) of storage (8) are equal in length and the height is 273 (12) is the same as storage (8) (10).
They are placed in order from the bottom along the right side of the screen.

Each storage (12) has a double door (13) installed on the front.
) (13) It has a built-in locking/unlocking device (A) that locks and unlocks the upper end, and the electric locking device (B) is connected to the cable (
6) is connected to the lower relay device (7).

On the right underframe (5), as well as the center underframe (5),
Two medium-sized storage compartments (12) (12) are installed, and the locking/unlocking device (A) of the double-opening door (13) (13) of each storage compartment (12) is locked by the cable (6) below. It is connected to the relay device (7).

(14) in FIG. 7 is a handle for opening and closing the door.

The main body of the storage jib (12) consists of an inner plate (12a) and an outer plate (
12b), and both the inner and outer plates (12a) (
Each end of the door (12b) is closed with a front plate (12c) bent in a step-like manner and recessed inward, and the door (13) (13
) is fitted into the recessed part of the front plate (12c).

Figures 1 to 5 show the locking/unlocking device (A) installed in the storage compartment (12), (B) is the electric locking device, and (C) is the locking/unlocking device (A).
is a manual locking device.

(15) incorporates a locking/unlocking device (A) and a storage compartment (
12) is a built-in box installed at the center of the front end of the upper part of the inner plate (12a), and a horizontally long locking hole that penetrates the front plate (12c) of the storage compartment (12) is located slightly to the right of the center of the front. (
16), and a door closing confirmation sensor (17) consisting of a normally open push button switch facing forward is installed on the left and right front parts.
(17) is installed, push button (17a) (17a)
protrudes slightly from the front plate (12c).

Behind the locking hole (16) in the built-in box (15),
A locking/unlocking plate (18) facing in the front-rear direction is attached with a support plate (19) so as to be slidable back and forth, and the locking/unlocking plate (18)
A forward protruding piece (18a) and a vertical piece (18b) are connected to the front and rear ends of the holder, respectively.

Behind the locking/unlocking plate (18), an electric locking device CB) is configured, and a control device (CB) is connected via a relay device (7).
2), a solenoid (electric drive means) (20) facing in the front-rear direction is installed.

The drive rod (20a) of the solenoid (20) is connected to the vertical piece (
18b) is fixed to the rear surface and immediately before the left end of the protruding plate (21).

Lock detection sensor (22) consisting of a normally open microswitch
) is installed.

A rear end of a hook (25) facing rearward is fixed to the upper end of a handle shaft (24) facing in the vertical direction within the free end of the right door (13). The hook (25) is a spring (as shown)
The handle shaft (24) is biased counterclockwise by
6) and protrudes rearward.

On the upper surface of the support plate (19), a press plate (27) is provided with longitudinally long long holes (28) (2
8) upright on the support plate (19) (29)
), they overlap so as to be slidable back and forth, and are biased forward by a tension spring (30) stretched between the support plate (19) and the support plate (19).

The rear end of the pressing plate (27) is connected to the vertical piece (
18b), a right-angled triangular prism-shaped pressing rod (31) is erected at the front end of the upper surface of the pressing plate (27), and its left surface is an inclined surface (32) facing left rearward. .

As shown in Figure 8, the front plate (12c) of the storage compartment (12)
A cylinder lock (33) facing in the front-back direction is inserted through the upper center of the cylinder lock (33), and as shown in FIGS. 4 and 5, the rear plate of the cylinder lock (33) is rotated by a key (as shown). (
33a) has an eccentric bottle (34) protruding from it.

At the rear end of the U-shaped support frame (35) surrounding the cylinder lock (33), an unlocking plate (36) facing laterally is supported so as to be movable laterally, and a vertical hole (37) is bored in the center of the unlocking plate (36). is engaged with the pin (34) of the cylinder lock (33), and its right end is close to the inclined surface (32) of the pressing rod (31), and by key operation of the cylinder lock (33), Unlock board (3
6) moves laterally.

Thus, the cylinder lock (33), the unlocking plate (36), etc. constitute a manual locking device (C).

The large storage compartment (9) is located in the center of the front at both the top and bottom ends.

The above-mentioned locking/unlocking device (A) is provided vertically symmetrically.

In the above-mentioned unit storage, under normal conditions, the unlocking plate (36) is located at the left corner in the retracted position, and the pressing plate (27) is located at the front end due to the bias of the spring (30), and the unlocking plate (36) The right end of (36) is close to the rear end of the inclined surface (32) of the pressing rod (31).

As shown in FIG. 1, when the storage compartment (I2) is closed and locked, the lock/unlock plate (18)
The projecting piece (18a) is located on the right edge side of the hook (25) that is engaged with the left edge of the locking hole (16). The hook (25) is prevented from rotating.

The double closed door confirmation sensor (17) (17) closes when its push button (17a) (1) a) is pressed by the closed door (13) (13).

The lock detection sensor (22) is pressed by the protrusion plate (21) that has moved forward together with the lock/unlock plate (18) to close.

FIG. 9 is a block diagram showing a schematic circuit configuration for connecting the control device (2) and one locking/unlocking device (A) in the 111th storage (I2) in the control circuit configuration of the entire unit storage system. It is a diagram.

The operation panel (4) connected to the control device (2) has an arbitrary storage compartment (8) (10) (12) that you want to lock/unlock.
Or a keyboard (38
), a lock button (39), an unlock button (40),
A display device (4 units) is provided.

The display device I (41) includes a 4-digit liquid crystal display (42) that displays the password entered using the keyboard (38), the number of digits thereof, or other numerical information, and a designated storage compartment (8). ) (10) (12) or the status display section (43) that displays the status of the group, and the status display section (43) includes a lock lamp (44) that displays the locked status, and an unlocked lamp (44) that displays the locked status. An unlock lamp (45) that displays the status, an open lamp (46) that displays that the door is open, and an error lamp (4) that displays the error status.
7).

The control device (2) is connected to the solenoid (20) in the lock/unlock section [(A), each door closing confirmation sensor (17), and the lock detection sensor (22) via the relay device f(7),
Signals can be transmitted between them.

FIG. 10 shows a first embodiment of a locking/unlocking control device which is simplified by extracting only those related to locking operations from the circuit configuration shown in FIG. 9.

(39a) is a lock operation switch which is activated by pressing the lock button (39).

The control device (2) includes this lock operation switch (39a), a solenoid (20), a door closing confirmation sensor (17),
It is connected to the lock detection switch (22) and the display device (41), and there are two closed door confirmation sensors (17) inside.
The selection control circuit (48) sends a lock signal to the solenoid (20) only when both doors (13) are fully closed and the lock operation switch (39a) is activated. ) and lock operation switch (
39a) is activated and if at least one of the two closed door confirmation sensors (17) is inactive, an error detection circuit (49) sends an error display signal to the display device (41). It is equipped with

When the display device (41) receives an error display signal.

Turn on the error lamp (47) or turn on the liquid crystal display (47).
2), the storage where the error occurred (8) (10) (12
), it is preferable to display a code number assigned in advance, a code number indicating the type of error, or both.

If the configuration is as in the first embodiment, the keyboard (38)
The desired storage compartment (8) (10) to be locked
After specifying (12) or its group, press the lock button (39) and activate the lock operation switch (39a), each of the specified storages (8), (10) (12)
) doors (9), (11), and (13) are completely closed, a locking signal is sent to the solenoid (20), and all electric locking devices (B) are activated at the same time or at a pre-specified time. They are locked in sequence.

In the unlikely event that any of the doors (9), (11), or (13) of any of the storage compartments (8), (10, or 12) is not completely closed and is even slightly open, the corresponding door will be closed. The confirmation sensor (17) becomes inactive and the selection control circuit (
48), the locking signal is not output and the storage (8)
(10) The electric lock device (B) in (12) is not locked.

In this case, the error detection circuit (49) is connected to the display device (41).
), the error lamp (27) lights up, or the storage compartment (8) (10) (1) where the error occurred.
2), a code number indicating the type of error, etc. are displayed on the liquid crystal display section (42).

If any of the closed door confirmation sensors (17) in the designated storage (8), (10), or (12) is inactive, the door open lamp (46) in the display W (41) lights up;
When the lock detection sensor (22) is activated, the lock lamp (44) is lit, and when the lock detection sensor (22) is not activated, the unlock lamp (45) is lit. It is better.

Since the unlocking operation and other operations are not directly related to the present invention, a detailed explanation will be omitted.

In addition, when doors (9), (11), and (13) are open,
If it is sufficient to simply prevent the electric locking device (B) from being locked, the error detection circuit (49) may be omitted.

FIG. 11 shows a second embodiment of the lock/unlock control device.

Note that the same constituent members as those of the first embodiment.

They are shown with the same reference numerals, and detailed description thereof will be omitted.

In the second embodiment, a desired storage (8)Oo) can be selected by operating the keyboard (38) in the control device (2).
After (12) is specified, when the lock button (39) is pressed and the lock operation switch (39a) is activated, the solenoid (
When the lock control circuit (50) that sends a lock signal to the door (20) and the lock detection sensor (22) are activated, and one of the door closing confirmation switches (17) is not activated, the solenoid (20) Cancellation circuit (51) that sends an unlock signal to
) is provided.

If the configuration is as in the second embodiment, the lock button (39)
When the locking operation switch (39a) is activated by pressing , the electric locking device (B) in the corresponding storage compartment (s) (10) (12) is locked, and at this time, any door (13) is locked. If it is open, the cancellation circuit sends an unlocking signal to the solenoid (20), and the electric locking device (B) is immediately unlocked, producing almost the same effect as that of the first embodiment. can.

In addition, in the second embodiment, at the same time that the canceling circuit (51) outputs the unlocking signal, the canceling circuit (51) outputs the unlocking signal.
51) to the display device (41), it is possible to notify the operator that an error condition has occurred, as in the first embodiment.

〔Effect of the invention〕

According to the present invention, the following effects are achieved.

(a) If the door is open when the lock operation switch is activated, the electric locking device of the storage compartment will not be locked, or even if it is locked, it will be unlocked immediately. This makes it possible to prevent the erroneous operation of locking the door when it is open (Claims (1) and (2)
).

(b) If you accidentally lock the door while it is open, by displaying the error condition on the display device, you can notify the operator of the error condition and close the storage door. Measures can be taken such as closing the door again.

[Brief explanation of the drawing]

Fig. 1 is a partially cutaway plan view showing the locking/unlocking device for a storage to which the present invention is applied when the door is closed and locked, and Fig. 2 is a line n-■ with some members of Fig. 1 omitted. 3 is a plan view similar to FIG. 1 showing the state when the door is unlocked and opened; FIG. 4 is a rear view showing the cylinder lock and the unlocking plate in their normal state. FIG. 5 is a rear view showing the state when the cylinder lock key is operated. FIG. 6 is a plan view similar to FIG. 1 showing the state when the door is manually unlocked and opened. FIG. 7 is a schematic front view showing the appearance of a unit storage system to which the present invention is applied. FIG. 8 is a perspective view showing the door of one storage in an open state. FIG. 9 is a block diagram showing a part of the overall circuit configuration of the unit storage system; FIG. 11 is a block diagram showing the circuit configuration of the main part of the second embodiment of the lock/unlock control device of the present invention. (A) Locking/unlocking device (B) Electric locking device CC)
Manual unlocking mechanism (1) Control box (2) Control device (3) Single door (4) Operation panel (
5) Underframe (6) Cable (7) Relay device (8) Large storage (9) Door (10) zJs type storage (11) jI (12)
Medium-sized storage (12a) Inner panel (12b) Outer panel
(12c) Front plate (13) Door
(14) Handle (15) Assembling box (16)
Lock hole (17) Closed door confirmation sensor (17a) Push button (18) Lock/unlock plate (18a) Projection (18b)
) Vertical part (19) Support plate (20) Solenoid (electric drive means) (20a) Drive rod (21) Projection plate (22)
Lock detection sensor (23) Warning light (24) Handle shaft (25) Hook (26) Horizontal hole (
27) Pressing plate (28) Long hole (29) Pin (30) Spring (31) Pressing rod (32)
Inclined surface (33) Cylinder lock (33a) Rear plate (34) Pin (35) Support frame
(36) Unlock plate (37) Vertical hole (38
) Keyboard (39) Lock button (39a) Lock operation switch (40) Unlock button (41) Display device (42) Liquid crystal display (43) Status display (44) Lock lamp (45) Unlock lamp (46)
) Door open lamp (47) Error lamp (48) Selection control circuit (49) Error detection circuit (50) Lock control circuit (51) Cancellation circuit (and 16 others) Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6Q

Claims (4)

[Claims] (1) A locking/unlocking control device for a storage warehouse equipped with an electric locking device capable of automatically locking and unlocking the door using an electric drive means, which includes a door closing confirmation sensor provided in the storage storage and detecting that the door is closed; The locking operation switch is electrically connected to the electric drive means, the door closing confirmation sensor, and the locking operation switch, and when the door closing confirmation sensor is activated and the locking operation switch is activated, it sends a locking signal to the electric driving means. 1. A locking/unlocking control device for a storage, comprising: a control device having a selection control circuit for transmitting data. (2) A locking/unlocking control device for a storage storage that includes an electric locking device that can automatically lock and unlock the door using an electric drive means, comprising: a door closing confirmation sensor that is installed in the storage storage and detects that the door is closed; a locking operation switch, a display device, electrically connected to the electric drive means, the door closing confirmation sensor, the locking operation switch, and the display device, when the door closing confirmation sensor is activated and the locking operation switch is activated;
A control device having a selection control circuit that sends a locking signal to the electric drive means, and an error detection circuit that sends an error display signal to a display device when the locking operation switch is activated and the door closing confirmation sensor is not activated. A locking/unlocking control device for a storage storage. (3) In a locking/unlocking control device for a storage unit equipped with an electric locking device that can automatically lock and unlock the door using an electric drive means, a locking detection sensor provided in the storage unit and detecting that the electric locking device has been locked. , a door closing confirmation sensor installed in the storage room to detect when the door is closed, and a locking operation switch. The lock detection sensor, electric drive means, door closing confirmation sensor,
and a locking control circuit that is electrically connected to the locking operation switch and sends a locking signal to the electric drive means when the locking operation switch is activated, and a locking detection sensor is activated, and when the door closing confirmation sensor is not activated, the electric drive is activated. 1. A locking/unlocking control device for a storage, comprising: a control device having a canceling circuit for sending an unlocking signal to means. (4) Claim (3) wherein the cancellation circuit sends an error display signal to the display device at the same time as the unlocking signal is output.
Locking/unlocking control device for the storage described.