KR102016541B1 - A door-lock locking and un-locking apparatus and a manufacturing system using the same - Google Patents

Abstract

The present invention relates to a door lock opening and closing device. In the door lock opening and closing apparatus of the present invention, Cabinet portion including a door for opening or closing a predetermined closed space; A key locking mechanism unit installed in the door and interlocked with the insertion of the mechanical key to mechanically lock or unlock the door; A card reader unit installed in the door to recognize the contact of the electronic card and generate a card locking signal and a card unlocking signal when a legitimate card is contacted; A communication unit installed in the cabinet to receive a remote locking signal and a remote unlocking signal from the outside; A control unit for receiving a card locking signal and a card unlocking signal from the card reader unit, a remote locking signal and a remote unlocking signal from the communication unit, and outputting a locking signal and an unlocking signal; And a lock-unlocking composite machine unit interlocked with the key locking mechanism unit and receiving a locking signal and an unlocking signal from the control unit to perform a locking and unlocking operation.

Description

A door-lock locking and un-locking apparatus and a manufacturing system using the same

The present invention relates to a door lock switchgear for use in production systems in the semiconductor, electronics, automobiles, automobiles, shipbuilding, steel, and chemical industries, and to a production system using the door lock switchgear.

In production lines such as automobiles, shipbuilding, and electronics, gases such as hydrogen, oxygen, and nitrogen are used to produce products.

Gases such as hydrogen, nitrogen, and oxygen must be fully secured, so supply valves, shut-off valves, and safety switches for gas supply and shut-off are provided in a separate space called a gas cabinet. Manage to access

Conventional gas cabinets should be installed either or both of the door lock device interlocked with the mechanical key and the electronic card, and the door lock device interlocked with the mechanical key and the electronic card provided by one door lock device There was a problem. That is, the conventional door lock device is complicated to configure the door lock device by installing two door locks in order to simultaneously interlock mechanical and electronic.

In addition, from the viewpoint of the central control room, there is a problem that it is not possible to manage the current state of the gas cabinet and who the user has opened or closed the gas cabinet.

An object of the present invention is to provide a door lock opening and closing device for a gas cabinet for use in a production system that can be linked to both mechanical keys, electronic cards and remote instructions.

Still another object of the present invention is to provide a door lock opening and closing device for a gas cabinet for use in a production system which automatically opens all door locks in an emergency such as a power failure.

Still another object of the present invention is to provide a central control server for storing and displaying the opening and closing states of the door lock opening and closing devices of the plurality of gas cabinets used in the production system and the user history of the door lock opening and closing.

According to an aspect of the present invention, there is provided a door lock opening and closing device, including: a cabinet part including a door for opening or closing a predetermined closed space; A key locking mechanism unit installed in the door and interlocked with the insertion of the mechanical key to mechanically lock or unlock the door; A card reader unit installed in the door to recognize a contact of the electronic card and to generate a card locking signal and a card unlocking signal when a valid card is contacted; A communication unit installed in the cabinet to receive a remote locking signal and a remote unlocking signal from the outside; A control unit which receives the card locking signal and the card unlocking signal from the card reader unit, the remote locking signal and the remote unlocking signal from the communication unit, and outputs a locking signal and an unlocking signal; And a lock-unlocking compound mechanism interlocked with the key locking mechanism and configured to receive the locking signal and the unlocking signal from the control unit to perform a locking and unlocking operation. Is achieved. The door lock opening and closing device of the present invention performs a locking and unlocking operation in conjunction with a mechanical key, an electronic card and a remote signal.

A handle installed on the door to apply a release force to release the locking; A lock for moving between a locking position for locking the door and an unlocking position for unlocking the door in association with the handle; A locking pin moving in association with the movement of the clamp; And a locking piece for switching the locking signal from the control unit to a locking state for inhibiting movement of the locking pin, and for the unlocking signal of the control unit for switching to an unlocking state for allowing the movement of the locking pin. It is characterized by including.

The locking unlocking compound mechanism unit, a locking unlocking motor for switching the locking piece to the locking state and the unlocking state, and interlocking with the key locking mechanism to switch the locking piece to the locking state and the unlocking state. Characterized in that it further comprises a key lock release.

A power supply unit installed in the cabinet to supply power to the door lock opening and closing device; A control controller for generating an emergency control signal in response to an emergency situation such as a power failure; And an emergency power storage unit configured to supply emergency power to the door lock opening and closing device for a predetermined time in an emergency situation such as a power failure, and wherein the controller outputs the unlocking signal when the emergency control signal is received from the control controller. It is characterized by. The door lock opening and closing device of the present invention can take emergency measures such as shutting off the valves of the gas cabinet as well as general managers by releasing all the door locks in an emergency such as a power failure.

And a central control server connected to the door lock opening and closing device, wherein the control unit transmits a status signal for locking or unlocking the door and information about the owner of the mechanical key and the electronic card to the central control server. Characterized in that. The central control server receives and stores the open / closed state of the plurality of gas cabinets and the ID information of the open and close of each gas cabinet.

The central control server further includes a display device, wherein the display device is a status signal relating to the locking or unlocking of the door lock opening and closing device, time information of the locking or unlocking operation of the door lock opening and closing device, and the door lock opening and closing device. And displaying user information that has performed locking and unlocking.

The above object is another aspect of the present invention, in the production system, the central control room having a central control server; A plurality of gas cabinets connected to the central control server through the Internet and having a gas control unit controlling gas supply and blocking therein; And a product production process unit configured to receive the gas from the plurality of gas cabinets to produce a product, wherein the plurality of gas cabinets each include a door lock opening and closing device having the features of the present invention. It is also achieved through the system.

Door lock opening and closing device according to the present invention having the configuration as described above can be opened and closed all by mechanical keys, electronic cards and remote instructions.

In addition, in case of an emergency such as a power failure, all door locks are automatically opened to enable safety work such as shut off of the gas valve to not only the safety manager but also the general worker.

The present invention stores and displays the opening and closing state of the door lock opening and closing device of the plurality of gas cabinets used in the production system and the user history for the door lock opening and closing to efficiently manage the entire production system through the central control server.

1 is a block diagram of a production system according to the present invention.
2 is a perspective view of a gas cabinet according to the present invention.
Figure 3 is a perspective view of the gas cabinet according to the present invention seen from the inside of the door.
4 is a plan sectional view of the door lock according to the present invention.
Figure 5 is a cross-sectional view showing a state in which the door lock according to the invention the locking is released.
6 is a block diagram illustrating a state in which a door lock part and a control part of a gas cabinet according to the present invention are connected to a central control server.
7 is a flowchart of the control unit of the door lock according to the present invention.
Figure 8 shows a state display display for displaying the opening and closing state, user and opening and closing time information of each door lock in the central control server according to the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail an embodiment of the present invention. The features and advantages of the present invention will become more apparent from the description of the preferred embodiments based on the accompanying drawings.

1 is a block diagram of a production system according to the present invention.

The central control server 10 installed in the central control room 1 and the plurality of gas cabinets 100, 150, 160 and 170 that are put into each production process of the production plant are connected to the Internet 20.

The first gas cabinet 100 has a built-in gas supply and shutoff device handled by a gas safety manager such as a gas valve, a shutoff switch, and a supply switch to block or supply gas therein. The first gas cabinet 100 includes a first control unit 200 and a first door lock 300.

The second gas cabinet 150, the third gas cabinet 160, and the n-th gas cabinet 170 are handled by a gas safety manager, such as a gas valve, a shutoff switch, and a supply switch, respectively, to block or supply gas therein. A gas supply / blocking device is built in, and similarly, the second control part 250, the second door lock 350, the third control part 260, the third door lock 360 and the n-th control part 270, Each of the nth door locks 370 is included.

The first door lock 300 to the n-th door lock 370 of the present invention can be opened and closed in response to both the mechanical key, the electronic card and the remote opening and closing of the central control server 10, respectively.

That is, the first door lock 300 can be opened and closed in response to a dedicated mechanical key, can be opened and closed in response to an electronic card, and can be opened and closed in response to a remote opening and closing of a central control server.

The central control server 10 of the present invention receives and stores the opening and closing state signal of each door lock transmitted by each door lock (300, 35, 360, 370) and the ID of the worker who has opened and closed each door lock.

2 is a perspective view of a gas cabinet according to the present invention.

The gas cabinet 100 includes a closed gas cabinet housing 110 and a gas supply valve, a gas shutoff valve, a power switch, an emergency switch, and the like handled by a safety manager of a production site housed therein.

When the door 120 is installed in the front of the gas cabinet 100, the front of the door 120, the key hole 301 that receives the mechanical key, the card reader unit 303 for detecting the electronic card, when the door is locked The locking LED 304 indicating the state of the door, the unlocking LED 305 indicating the state when the door is opened, and the handle 302 is provided.

The handle 302 is used to open and close the door by using the handle 302 when the door lock 300 is locked or unlocked. In the usual case, the handle 302 applies a release force for releasing the door lock 300, and when the door lock 300 is locked, the lock 309 (FIG. 3) does not move and the door 120 does not open. When the door lock 300 is unlocked, the lock 309 is moved to release the lock and the door 120 is opened. That is, the lock 309 is released from the door 120 by the release force applied to the handle 302 after being unlocked and the door 120 is opened in the cabinet housing 110.

Figure 3 is a perspective view of the gas cabinet according to the present invention seen from the inside of the door.

The inside of the door 120 is provided with a key machine part including a key locking mechanism 306 interlocking with a mechanical key and an unlocking wire 308 connected to the key machine locking part 306.

Similarly, the inside of the door 120 is provided with a locking unlocking composite mechanical part 310 and a clamp 309 for finally locking or releasing the door.

The locking and unlocking complex mechanical part 310 locks or unlocks the locking and unlocking motor part 316 (Fig. 4) and the key unlocking which interlock with the electronic card and the unlocking wire 308, respectively. The unit 311 is included.

Therefore, the present invention can be linked to both mechanical or electronic using one door lock 100.

4 is a plan sectional view of the door lock according to the present invention.

FIG. 4 shows a plan sectional view of section IV-IV of FIG. 3. The handle 302 is installed in the concave groove of the door 120 and is connected under the clamp 309 and the spring 309 -S pressure.

The locking unlocking composite mechanical part 310 includes a locking piece 318, a locking unlocking motor 316, and a key unlocking part 311.

The locking piece 318 is engaged with the locking pin 334 of the horizontal moving part 330 moving in the same direction as the locking key 309, and the locking piece 318 switches between the locked state and the unlocked state.

If the locking piece 318 is in the locked state, even if a release force is applied to the handle 302, the locking pin 334 is prevented from moving horizontally due to the locking of the locking piece 318, and the horizontal moving part 330 and the locking key ( 309 is also prohibited from horizontal movement, which prohibits the rotational movement of the handle 302. That is, the door 120 does not open.

 If the locking piece 318 is in the unlocked state, when a release force is applied to the handle 302, the handle 302 rotates at an angle, and the rotation of the handle 302 allows the horizontal movement of the lock 309, and the lock ( When the 309 is moved horizontally, the horizontal moving part 330 connected to the clamping connecting pin 309-P is also moved horizontally, and the pair of locking pieces 318 fitted to the locking pin 334 are in the unlocked state. 334) allow a certain distance movement. At this time, the clamp 302 is unlocked in the door 120. (See Figure 5 Status)

The locking unlocking motor 316 of the locking unlocking complex mechanical unit 310 performs a angular reciprocating rotational movement so that the locking piece 318 switches a locked state and an unlocked state.

The key unlocking portion 311 is connected to the key locking mechanism 306 and the unlocking wire 308 to mechanically switch the locking piece 318 in the locked state and the unlocked state.

The control PCB in which the door lock control part 320 and the communication card 312 are arrange | positioned is arrange | positioned at the back of the handle 302 of the door 120, and the card reader part 303 is mounted in one surface of this control PCB.

When the user's card contacts the card reader 303, the door lock control unit 320 transmits a locking or unlocking control signal to the locking unlocking motor 316, and the locking unlocking motor 316 is a locking piece 318. Switch to locked or unlocked state.

The present invention is not limited to the locking unlocked motor 316. Switching the locking piece 318 to locking or unlocking can be implemented in various ways, such as a motor, a piston, an actuator. Therefore, in the present invention, the actuator for locking or unlocking the locking piece 318 includes all the driving methods.

On the other hand, the key lock release portion 11 of the present invention is also possible in various embodiments. Thus, the present invention includes both locking and unlocking structures in conjunction with wires, mechanical keys of all kinds.

Although the key lock mechanism 306 of the present invention is separated from the locking unlocking compound mechanism 31 in one embodiment (FIG. 3), the present invention includes the two units combined as one.

Figure 5 is a cross-sectional view showing a state in which the door lock according to the invention the locking is released.

When the locking piece 318 is switched to the unlocked state by the operations of the locking unlocking motor 316 and the key unlocking part 311 of the locking unlocking complex mechanical part 310, the door is applied to the handle 302. The force rotates without resistance, which performs the unlocking of the door 120 of the clamp 309. The relief unlocking operation is the same as the detailed operation disclosed in FIG. 4.

When the pressure applied to the handle 302 is released after locking or unlocking, the clamp 309 is returned to its original position by the restoring force of the spring 309 -S. At this time, depending on whether the locking piece 318 is switched to the locked state or the unlocked state, it is determined whether the door 120 is to be locked or unlocked when additional pressure is applied to the handle 302.

6 is a block diagram illustrating a state in which a door lock part and a control part of a gas cabinet according to the present invention are connected to a central control server.

The first door lock 300, the first control unit 200 and the central control server 10 are connected to each other via the Internet.

The first door lock 300 includes a key hole 301 that accepts a mechanical key and a card reader 303 that accepts a user's electronic card and generates a locking or unlocking signal.

The first door lock 300 includes a communication card 312 that receives a remote door locking or remote door unlocking control signal from the outside, in particular the central control server 10.

The first door lock 300 includes a door lock controller 320, and the door lock controller 320 receives a card locking signal or a card unlocking signal from the card reader 303.

The first door lock 300 includes a door lock control unit 320, and the door lock control unit 320 receives a remote locking signal or a remote unlocking signal from the communication card 312.

The door lock control unit 320 receives the card locking signal or the card unlocking signal from the card reader 303 and the remote locking signal or the remote unlocking signal from the communication card 312, and then the plurality of locking signals and the unlocking. The locked signal and the unlocked signal are output by ORing the signals.

The locking unlocking motor 316 rotates at a predetermined angle or linearly moves in response to the locking signal of the door lock control unit 320 to switch the locking piece 318 into a locked state or an unlocked state. If the locking piece 318 is in a locked state, the door 120 maintains locking even if a release force of the user is applied according to the operation of the handle 302.

If the locking piece 318 is in the unlocked state, the lock 309 is unlocked by the release force applied to the handle 302.

The locking unlocking compound mechanism 310 includes a locking unlocking motor 316 as described above to switch the locking piece 318 to lock or unlock by the operation of the locking unlocking motor 316.

On the other hand, the unlocking operation by the mechanical key interlocks the unlocking wire 308, the unlocking wire 308 triggers the key unlocking portion 311 to lock or unlock the locking piece 310 similarly. Switch to the state. Therefore, according to the state of the locking piece 318, the lock 309 is unlocked in conjunction with the operation of the user's handle 302, or the locking is maintained by suppressing the rotational movement of the handle 302.

Therefore, the present invention provides a door lock 300 that can be linked to all mechanical keys, electronic cards, remote control signals.

The above-described locking unlocking composite mechanical part 310 includes a locking unlocking actuator including a locking unlocking motor 316.

Meanwhile, a first control unit 200 including a DC power supply unit 210, an emergency power storage unit 212, a control unit control unit 220, and a control unit communication unit 230 is installed inside the gas cabinet 100.

The DC power supply unit 210 receives AC power and supplies power to an internal gas valve, a shutoff valve, a work switch, and the like.

The DC power supply unit 210 supplies power to various circuits of the first door lock 300 via the emergency power storage unit 212.

If an emergency situation such as a power failure occurs, the AC power input is cut off, and the gas cabinet 100 is cut off the input power, but it is possible to operate for a predetermined time using the emergency power storage unit 212. In this case, the control unit controller 220 transmits the emergency control signal to the door lock control unit 320 of the first door lock 300.

The door lock control unit 320 of the first door lock 300 outputs an unlocking control signal to the unlocking unlocking motor 316 to open all the doors when the emergency control signal is received.

The unlocking unlocking motor 316 performs an unlocking operation and the locking piece 318 is in an unlocking state.

Since the emergency power storage unit 212 is discharged and the power is cut off, the locking piece 318 of the gas cabinet 100 is already switched to the unlocked state, so that not only the safety manager but also all the operators of the gas cabinets 100, 150, 160, 170 ( Applying a constant pressure to the 302, the gas cabinet (100, 150, 160, 170) is open and can take emergency measures.

The remote locking unlocking control signal transmitted from the central control server 10 is transmitted to the door lock control unit 320 of the first door lock 300 via the control unit communication unit 230. The door lock control unit 320 controls to lock or unlock the same.

On the other hand, the first door lock 300 is provided with a sensor for detecting locking or unlocking, the sensing signal of the sensor is received by the door lock control unit 320 as a state signal of the door lock and transmitted to the central control server (10).

In the case of locking or unlocking by a mechanical key, an input signal for the operation of the mechanical key may be transmitted to the door lock control unit 320.

The door lock control unit 320 may perform a locking or unlocking operation in conjunction with the input signal.

Alternatively, the door lock control unit 320 may store the state signal of the mechanical key and refer to another operation.

7 is a flowchart of the control unit of the door lock according to the present invention.

The door lock controller 320 determines whether the authenticated electronic card is touched in response to the touch of the electronic card. (Step S110)

If the authenticated electronic card is touched, the locking or unlocking of the door lock 300 is released. (S112)

If the current state is locking, it is unlocked to unlock it. If the current state is unlocked, it is locked.

When locking or unlocking occurs by the authenticated electronic card, the ID of the electronic card is transmitted to the central control server 10. (S114)

The door lock control unit 320 transmits a state signal for locking or unlocking to the central control server 10. (S116)

On the other hand, in step S110, if the authentication is not the electronic card, it is checked whether the operation by the mechanical key. (S120)

If locking or unlocking with a mechanical key, lock or unlock the door lock. (S122)

The administrator ID of the mechanical key is transmitted to the central control server 10. (S124)

The manager ID of the mechanical key may be matched to each door lock 300, 350, 360, 370, and match the mechanical key ID with the manager ID to read and transmit previously stored information.

Alternatively, the door lock 300 transmits the ID of the mechanical key, and the central control server 10 can determine who locked or unlocked the specific gas cabinet from the key ID and the manager ID stored in its storage unit.

Similarly, the door lock control unit 320 transmits a state signal for locking or unlocking to the central control server 10. (S126)

In step S120, if there is no operation of the mechanical key, it monitors whether the power failure. (S130)

If a power failure occurs, a control signal is output to unlock all door locks. (S132)

When the door lock is released due to a power failure, the power failure state signal is transmitted to the central control server 10. (S134)

If not, the door lock control unit 320 monitors the remote locking unlocking signal. (S140)

When the door locking signal or the door unlocking signal transmitted remotely is received, the door lock control unit 320 performs a door locking or door unlocking operation. (S142)

The door lock control unit 320 transmits a state signal for locking or unlocking to the central control server 10. (S144)

Figure 8 shows a state display display for displaying the opening and closing state, user and opening and closing time information of each door lock in the central control server according to the present invention.

The central control server 10 is provided with a status display display 400 for displaying the locked or unlocked state of the door locks 300, 350, 360, 370 of the plurality of gas cabinets (100, 150, 160, 170).

FIG. 8 includes a past history of a plurality of door locks 1 and 2, including a current state, a user, an activity time, and the like.

An example of the display including the past history, the current state, the user, and the activity time for the door lock 1 is shown in 410 to 416.

An example of the display including the past history, the current state, the user, and the activity time for the door lock 2 is shown in 420 to 424.

When a plurality of door locks are locked or unlocked, who is locked or unlocked, and the current state is displayed, including current and past histories.

The present invention can be variously modified in addition to the above embodiment, and thus the present invention is not limited to the above embodiment.

1: Central control room
10: central control server
20: Internet
100: first gas cabinet
110: gas cabinet housing
120: door
150: second gas cabinet
160: third gas cabinet
170: n gas cabinet
200: first control unit
210: DC power supply
212: emergency power storage
220: control controller
230: control communication unit
250: second control unit
260: third control unit
270: n-th control unit
300: first door lock
301: keyhole
302: handle
303: card reader
304: Locking LED
305: Unlocking LED
306: key lock mechabu
308: unlocking wire
309: clamp
309-P: Clamp Connection Pins
309-S: Spring
310: locking unlocking complex mechanical parts
311: key unlocking
312: communication card
316: locking unlocking motor
318: locking piece
320: door lock control unit
330: horizontal moving part
332: connecting bracket
334: locking pin
350: second door lock
360: 3rd door lock
370: n-door lock
400: status display
410 ~ 416: Status display of door lock 1
420 ~ 424: Status display of door lock 2

Claims (7)

In the door lock opening and closing device,
A cabinet part including a door for opening or closing a predetermined closed space;
A key locking mechanism unit installed in the door and interlocked with the insertion of the mechanical key to mechanically lock or unlock the door;
A card reader unit installed in the door to recognize a contact of the electronic card and to generate a card locking signal and a card unlocking signal when a valid card is contacted;
A communication unit installed in the cabinet to receive a remote locking signal and a remote unlocking signal from the outside;
A control unit which receives the card locking signal and the card unlocking signal from the card reader unit, the remote locking signal and the remote unlocking signal from the communication unit, and outputs a locking signal and an unlocking signal; And
A locking unlocking compound mechanism linked to the key locking mechanism and configured to receive the locking signal and the unlocking signal from the controller to perform a locking and unlocking operation;
A handle installed on the door to apply a release force to release the locking;
A lock for moving between a locking position for locking the door and an unlocking position for unlocking the door in association with the handle;
A locking pin moving in association with the movement of the clamp; And
The locking signal from the control unit is switched to a locked state to suppress the movement of the locking pin, and the unlocking signal of the control unit includes a locking piece for switching to an unlocked state allowing the movement of the locking pin. Door lock opening and closing device characterized in that.
delete The method of claim 1,
The locking unlocking compound mechanism unit, a locking unlocking motor for switching the locking piece to the locking state and the unlocking state, and interlocking with the key locking mechanism to switch the locking piece to the locking state and the unlocking state. The door lock opening and closing device further comprising a key lock release.
The method of claim 1,
A power supply unit installed in the cabinet to supply power to the door lock opening and closing device;
A control controller for generating an emergency control signal in response to an emergency situation including a power failure; And
Further comprising an emergency power storage unit for supplying emergency power to the door lock opening and closing device for a predetermined time in an emergency situation including the power failure,
And the control unit outputs the unlocking signal when the emergency control signal is received from the control control unit.
The method of claim 4, wherein
Further comprising a central control server connected to the door lock opening and closing device,
The control unit is a door lock opening and closing device, characterized in that for transmitting the status signal for the locking or unlocking of the door and the information about the mechanical key and the owner of the electronic card to the central control server.
The method of claim 5,
The central control server further comprises a display device,
The display apparatus may be configured to display a status signal relating to the locking or unlocking of the door lock opening and closing device, time information of the locking or unlocking operation of the door lock opening and closing device, and user information for performing the locking and unlocking of the door lock opening and closing device. Door lock opening and closing device characterized in that.
In the production system,
A central control room having a central control server;
A plurality of gas cabinets connected to the central control server through the Internet and having a gas control unit controlling gas supply and blocking therein; And
A product production process unit for receiving the gas from the plurality of gas cabinets and producing a product;
The plurality of gas cabinets are each provided with a door lock opening and closing device according to claim 1.

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