CN214365525U - Intelligent door lock for power distribution cabinet - Google Patents
Intelligent door lock for power distribution cabinet Download PDFInfo
- Publication number
- CN214365525U CN214365525U CN202120017122.7U CN202120017122U CN214365525U CN 214365525 U CN214365525 U CN 214365525U CN 202120017122 U CN202120017122 U CN 202120017122U CN 214365525 U CN214365525 U CN 214365525U
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- cabinet
- door
- cabinet body
- driving piece
- lock
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- 238000003780 insertion Methods 0.000 claims abstract description 42
- 230000037431 insertion Effects 0.000 claims abstract description 42
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000006378 damage Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 210000004709 eyebrow Anatomy 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
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Abstract
The application relates to an intelligent door lock for a power distribution cabinet, which comprises a cabinet body, wherein an access hole is formed in the cabinet body, a cabinet door for completely shielding the access hole is hinged on the cabinet body, a safety lock is arranged on the cabinet door, the insertion block is arranged on the cabinet body, the insertion groove is arranged on the side wall of the insertion block facing to one side of the access hole, the driving piece is arranged on the cabinet door, the output end of the driving piece is connected with the insertion rod, the cabinet body is provided with a detection device for detecting whether equipment in the cabinet body works and a control device for controlling the safety lock to lock or unlock the cabinet door, the control device is in control connection with the detection device and responds to a detection signal of the detection device, the control device is in control connection with the driving piece and drives the output end of the driving piece to stretch, and the insertion rod is inserted into or far away from the insertion groove through the stretching of the output end of the driving piece. This application has the effect of guarantee maintainer's person installation.
Description
Technical Field
The application relates to the technical field of tool to lock, especially, relate to an intelligent lock for switch board.
Background
The distribution cabinet (case) is a final-stage device of a distribution system and is divided into a power distribution cabinet (case), a lighting distribution cabinet (case) and a metering cabinet (case). The power distribution cabinet is a general name of a motor control center.
The chinese utility model patent with publication number CN205070225U discloses a power distribution cabinet: including box, chamber door, hinge, shutter, brow head, eyebrow foot, lock, modulus hole, the box top is equipped with the brow head, and the bottom half is equipped with the eyebrow foot, and the box openly is equipped with the chamber door, links to each other through the hinge, and the inside modulus hole that is equipped with of box, the box back is equipped with the shutter, the chamber door is equipped with the lock.
However, the lock has the key just can open, because relate to high-tension electricity in the switch board, high-tension electricity has high danger to the human body, and the maintainer unconsciously opens the switch board door at the switch board during operation, can make maintainer's personal safety receive the threat.
SUMMERY OF THE UTILITY MODEL
In order to make maintainer's personal safety obtain the guarantee, this application provides an intelligent lock for switch board.
The application provides a pair of intelligent lock for switch board adopts following technical scheme:
the utility model provides an intelligent lock for switch board, includes the cabinet body, be provided with the access hole on the cabinet body, the articulated cabinet door that is provided with on the cabinet body and is used for sheltering from the access hole completely, its characterized in that: be provided with the safety lock on the cabinet door, the safety lock is including grafting piece, grafting pole, inserting groove and driving piece, the grafting piece is installed on the cabinet body, the inserting groove is seted up on the lateral wall of grafting piece towards access hole one side, the driving piece is installed on the cabinet door, the output and the inserting rod of driving piece are connected, be provided with on the cabinet body and be used for detecting whether detection cabinet body internal plant is worked detection device and be used for controlling the safety lock to the locking of cabinet door or the controlling means of unblock, controlling means and detection device control connection and response detection device's detection signal, controlling means and driving piece control connection and the output of ordering about the driving piece are flexible, the inserting rod is pegged graft with the inserting groove or is kept away from through the output of driving piece is flexible.
By adopting the technical scheme, when the internal equipment of the power distribution cabinet is electrified, the detection device is conducted, so that the control device works, the control device controls the output rod of the driving piece to extend out, the insertion rod is driven to be inserted into the insertion groove, and the cabinet door is further fixed on the cabinet body; when the power distribution cabinet is powered off, the detection device is blocked, so that the control device stops working, the output end of the driving piece contracts, the insertion rod is far away from the insertion groove, and the cabinet door is not fixed on the cabinet body, so that the cabinet door cannot be opened when the power distribution cabinet works; when the switch board was out of work, can open the cabinet door, and then make testing personnel's personal safety obtain the guarantee.
Optionally, a rubber layer is arranged on the peripheral wall of the insertion rod.
Through adopting above-mentioned technical scheme, the setting of rubber layer can avoid the peg graft pole to collide each other inserting the in-process of inserting the inserting groove, avoids the peg graft pole to damage easily.
Optionally, a touch switch is arranged in the insertion groove, an indicating lamp is arranged on the cabinet body, and the touch switch is electrically connected with the indicating lamp.
Through adopting above-mentioned technical scheme, when the spliced pole is pegged graft in the inserting groove, the pilot lamp is bright, when the spliced pole was extracted from the inserting groove, the pilot lamp goes out to can let the testing personnel know the state of safety lock clearly, detect whether the safety lock is intact.
Optionally, the detection device includes a resistor R and a comparator B, the resistor R and the comparator B are connected in series, one end of the resistor R is connected in series with a power supply, and the comparator B is electrically connected to a high-voltage reference value; the control device comprises a triode Q, a relay KM and a normally open contact switch (KM 1) of the relay (KM), wherein the base of the triode Q is electrically connected with the output end of a comparator B, the collector of the triode Q is electrically connected with a power supply, the emitter of the triode Q is connected with the relay KM in series and then grounded, one end of the normally open contact switch (KM 1) of the relay (KM) is connected with the power supply, and the other end of the normally open contact switch is connected with a driving piece in series and then grounded.
Through adopting above-mentioned technical scheme, when power output current arrived comparator B from resistance R, when comparator B's input voltage value was greater than the high-voltage reference value, output high level for the triode switches on, and relay KM gets electric, and normally open contact switch KM1 of relay KM on the main circuit is closed, makes the output of driving piece stretch out, thereby makes the spliced pole peg graft in the inserting groove, makes the cabinet door locked on the cabinet body.
Optionally, the cabinet body is provided with an infrared inductor, the cabinet body is provided with a sound prompter, and the infrared inductor is electrically connected with the sound prompter.
Through adopting above-mentioned technical scheme, when infrared inductor sensed around the switch board when the human body in the certain limit removed, the sound prompt body just can send pronunciation warning, avoids the human body to be close to the switch board for a long time and causes the injury to the human body.
Optionally, the cabinet door includes an upper cabinet panel door and a lower cabinet panel door, and the safety lock is respectively disposed on the upper cabinet panel door and the lower cabinet panel door.
Through adopting above-mentioned technical scheme, when needs overhaul the lower half of switch board, open down the cabinet board door and just can maintain, need not all to open, avoid opening for a long time the cabinet door and cause the damage to the first half of switch board.
Optionally, an inner abutting block is arranged at one end, close to the lower cabinet plate door, of the upper cabinet plate door, an outer abutting block lapped with the inner abutting block is arranged at one end, close to the upper cabinet plate door, of the lower cabinet plate door, and the outer abutting block tightly presses the inner abutting block.
Through adopting above-mentioned technical scheme, because the equipment of switch board top half is generally comparatively expensive, in order to prevent that the equipment of switch board top half from losing easily, when going to open the upper cabinet board door, because outer support the piece and sticis interior support the piece, can only open the upper cabinet board door earlier with lower cabinet board door to avoid losing of the equipment of switch board top half.
Optionally, a sealing ring is arranged on the cabinet door and is located at the joint of the cabinet door and the cabinet body.
Through adopting above-mentioned technical scheme, when the maintainer after the maintenance is accomplished, close the cabinet door in-process, the sealing washer can with the cabinet body contact, when avoiding closing the door cabinet door and the cabinet body contact, send great noise.
In summary, the present application includes at least one of the following beneficial technical effects:
when the internal equipment of the power distribution cabinet is powered on, the detection device is switched on, so that the control device works, the control device controls the output rod of the driving piece to extend out, the insertion rod is driven to be inserted into the insertion groove, and the cabinet door is fixed on the cabinet body; when the power distribution cabinet is powered off, the detection device is blocked, so that the control device stops working, the output end of the driving piece contracts, the insertion rod is far away from the insertion groove, and the cabinet door is not fixed on the cabinet body, so that the cabinet door cannot be opened when the power distribution cabinet works; when the power distribution cabinet does not work, the cabinet door can be opened, so that the personal safety of detection personnel is guaranteed;
the rubber layer is arranged, so that the mutual collision of the plug-in connection rods in the process of being inserted into the plug-in connection groove can be avoided, and the plug-in connection rods are prevented from being easily damaged;
when the plug rod is plugged in the plug groove, the indicating lamp is on, and when the plug rod is pulled out from the plug groove, the indicating lamp is turned off, so that the detection personnel can know the state of the safety lock clearly, and whether the safety lock is intact is detected.
Drawings
FIG. 1 is an overall schematic view of the present embodiment;
fig. 2 is an exploded view in the present embodiment;
fig. 3 is a circuit diagram of the detection device and the control device in the present embodiment.
Reference numerals: 1. a cabinet body; 2. an access hole; 3. a cabinet door; 31. an upper cabinet panel door; 32. a lower cabinet panel door; 4. a lock lever; 5. a safety lock; 51. an insertion block; 52. a plug rod; 53. inserting grooves; 54. a drive member; 6. a detection device; 7. a control device; 8. a rubber layer; 9. a touch switch; 10. an indicator light; 11. an infrared sensor; 12. a sound prompter; 13. an inner resisting block; 14. an outer resisting block; 15. and (5) sealing rings.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses intelligent lock for switch board. Referring to fig. 1, including the cabinet body 1, seted up access hole 2 on the lateral wall of the cabinet body 1, the position that is close to access hole 2 on the lateral wall of the cabinet body 1 articulates there is cabinet door 3 that shelters from access hole 2 completely, installs locking lever 4 that all has general tool to lock function in cabinet door 3, and locking lever 4 can lock cabinet door 3 on the cabinet body 1.
Referring to fig. 2, the safety lock 5 is installed on the inner side wall of the cabinet door 3, the safety lock 5 comprises an insertion block 51, an insertion rod 52, an insertion groove 53 and a driving piece 54, the insertion block 51 is close to the access opening 2 and is welded on the inner side wall of the cabinet body 1, the insertion groove 53 is formed in the side wall, facing one side of the access opening 2, of the insertion block 51, the driving piece 54 is installed on the inner side wall of the cabinet door 3, and one end of the insertion rod 52 is fixedly connected with the output end of the driving piece 54.
Referring to fig. 3, the cabinet body 1 is connected with a detection device 6 for detecting the operation of the internal equipment of the cabinet body 1 and a control device 7 for controlling the safety lock 5 to unlock or lock the cabinet door 3, the control device 7 is in control connection with the detection device 6 and responds to a detection signal of the detection device 6, the control device 7 is in control connection with the driving piece 54 and drives the output end of the driving piece 54 to stretch, and the output end of the driving piece 54 stretches to enable the insertion rod 52 to be inserted into the insertion groove 53 or the insertion rod 52 to be pulled out from the insertion groove 53. The driving member 54 is a cylinder in this embodiment.
When the power distribution cabinet works, the detection device 6 is in a conducting state, so that the control device 7 works, the driving piece 54 drives the insertion rod 52 to be inserted into the insertion groove 53 under the action of the control device 7, the cabinet door 3 is fixed on the cabinet body 1, and the cabinet door 3 cannot be opened through the lock rod 4; when the switch board stop work, detection device 6 is in the state of blocking to make controlling means 7 control driving piece 54's output retract, thereby drive peg 52 and break away from inserting groove 53, can open cabinet door 3 through locking lever 4, and then make detection personnel's personal safety obtain the guarantee.
Referring to fig. 2, a rubber layer 8 is mounted on the outer peripheral wall of the plug rod 52 remote from the driver 54. When the plugging rod 52 is plugged into the plugging groove 53, the rubber layer 8 can prevent collision in the plugging process, and damage to the plugging rod 52 is reduced.
Referring to fig. 2, a touch switch 9 is installed on the bottom wall of the insertion groove 53, an indicator lamp 10 is installed on the top edge of the cabinet 1, and the touch switch 9 is electrically connected to the indicator lamp 10. When the inserting rod 52 is inserted into the inserting groove 53, the inserting rod 52 touches the touch switch 9, so that the indicator light 10 is turned on after being turned off, and when the inserting rod 52 is pulled out of the inserting groove 53, the indicator light 10 is turned off after being turned on, so that whether the safety lock 5 is intact can be clearly informed to a worker.
Referring to fig. 3, the detection device 6 includes a resistor R and a comparator B, one end of the resistor R is connected in series with a power supply, the other end of the resistor R is connected in series with the comparator B, and the comparator B is electrically connected with a high-voltage reference value; the control device 7 comprises a triode Q, a relay KM and a normally open contact switch KM1 of the relay KM, wherein the base electrode of the triode Q is electrically connected with the output end of the comparator B, the collector electrode of the triode Q is electrically connected with a power supply, and the emitter electrode of the triode Q is connected with the relay KM in series and grounded; one end of a normally open contact switch KM1 of the relay KM is connected with a power supply, and the other end is connected with the driving member 54 in series and then grounded.
Through the current that flows in the power from resistance (R) arrival comparator (B), when comparator (B) had the magnitude of voltage and is greater than the voltage reference value this moment, output high level for triode (Q) switches on, and relay (KM) is electrified, and normally open contact switch (KM 1) of relay (KM) is closed, makes driving piece 54's output stretch out, thereby makes spliced pole 52 peg graft in inserting groove 53, makes cabinet door 3 locked on the cabinet body 1.
Referring to fig. 2, an infrared sensor 11 is installed on the outer side wall of the top end of the cabinet body 1, a sound prompter 12 is installed on the outer side wall of the front of the cabinet body 1, and the infrared sensor 11 is electrically connected with the sound prompter 12. When a human body moves in a certain range around the power distribution cabinet, the infrared sensor 11 senses a human body signal, so that the sound prompter 12 reminds the human body through voice, and the human body is prevented from staying beside the power distribution cabinet and causing personal accidents.
Referring to fig. 2, the cabinet door 3 includes an upper cabinet door 31 and a lower cabinet door 32, and the safety lock 5 is mounted on the upper cabinet door 31 and the lower cabinet door 32, respectively. With cabinet door 3 fall into cabinet board door 31 and lower cabinet board door 32, can make things convenient for the maintainer to the maintenance of switch board different positions, need not all to open cabinet door 3, avoid the position that need not to overhaul to expose in the external world, avoid damaging.
Referring to fig. 2, an inner abutting block 13 is fixedly installed at one end of an upper cabinet door 31, the inner abutting block 13 is close to a lower cabinet door 32, an outer abutting block 14 is fixedly installed at one end of the lower cabinet door 32, the outer abutting block 14 is close to the upper cabinet door 31, and the inner abutting block 13 is pressed by the outer abutting block 14. Because the equipment of the upper half part of the power distribution cabinet is generally more expensive, when the upper cabinet plate door 31 is to be opened, only the lower cabinet plate door 32 can be opened, and then the upper cabinet plate door 31 can be opened, so that the equipment of the upper half part of the power distribution cabinet is protected.
Referring to fig. 2, a sealing ring 15 is installed on the cabinet door 3 at the joint between the cabinet door 3 and the cabinet body 1. Through the installation of sealing washer 15, can make the maintainer when closing cabinet door 3, the collision sound of cabinet door 3 and the cabinet body 1 reduces, also can reduce the loss that the door plant strikeed cabinet door 3 simultaneously.
The implementation principle of this application embodiment intelligent lock for switch board does: when the power distribution cabinet works, the detection device 6 is in a conducting state, so that the control device 7 works, the driving piece 54 drives the insertion rod 52 to be inserted into the insertion groove 53 under the action of the control device 7, the cabinet door 3 is fixed on the cabinet body 1, and the cabinet door 3 cannot be opened through the lock rod 4; when the switch board stop work, detection device 6 is in the state of blocking to make controlling means 7 control driving piece 54's output retract, thereby drive peg 52 and break away from inserting groove 53, can open cabinet door 3 through locking lever 4, and then make detection personnel's personal safety obtain the guarantee.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an intelligent door lock for switch board, includes the cabinet body (1), be provided with access hole (2) on the cabinet body (1), the articulated cabinet door (3) that are used for sheltering from access hole (2) completely that are provided with on the cabinet body (1), its characterized in that: the safety lock (5) is arranged on the cabinet door (3), the safety lock (5) comprises an insertion block (51), an insertion rod (52), an insertion groove (53) and a driving piece (54), the insertion block (51) is installed on the cabinet body (1), the insertion groove (53) is formed in the side wall, facing one side of the access opening (2), of the insertion block (51), the driving piece (54) is installed on the cabinet door (3), the output end of the driving piece (54) is connected with the insertion rod (52), a detection device (6) used for detecting whether equipment in the cabinet body (1) works and a control device (7) used for controlling the safety lock (5) to lock or unlock the cabinet door (3) are arranged on the cabinet body (1), the control device (7) is in control connection with the detection device (6) and responds to detection signals of the detection device (6), the control device (7) is in control connection with the driving piece (54) and drives the output end of the driving piece (54) to stretch, the insertion rod (52) is inserted into or far away from the insertion groove (53) through the extension and contraction of the output end of the driving piece (54).
2. The intelligent lock of claim 1, wherein: the rubber layer (8) is arranged on the peripheral wall of the plug rod (52).
3. The intelligent door lock for the power distribution cabinet according to claim 2, wherein: be provided with touch switch (9) in inserting groove (53), be provided with pilot lamp (10) on the cabinet body (1), touch switch (9) and pilot lamp (10) electric connection.
4. The intelligent lock of claim 3, wherein: the detection device (6) comprises a resistor R and a comparator B, wherein the resistor R and the comparator B are connected in series, one end of the resistor R is connected with a power supply in series, and the comparator B is electrically connected with a high-voltage reference value; the control device (7) comprises a triode Q, a relay KM and a normally open contact switch KM1 of the relay KM, wherein the base of the triode Q is electrically connected with the output end of a comparator B, the collector of the triode Q is electrically connected with a power supply, the emitter of the triode Q is connected with the relay KM in series and then grounded, one end of a normally open contact switch KM1 of the relay KM is connected with the power supply, and the other end of the normally open contact switch KM is connected with a driving piece (54) in series and then grounded.
5. The intelligent lock of claim 1, wherein: be provided with infrared inductor (11) on the cabinet body (1), be provided with sound prompt (12) on the cabinet body (1), infrared inductor (11) and sound prompt (12) electric connection.
6. The intelligent lock of claim 1, wherein: the cabinet door (3) comprises an upper cabinet plate door (31) and a lower cabinet plate door (32), and the safety lock (5) is respectively arranged on the upper cabinet plate door (31) and the lower cabinet plate door (32).
7. The intelligent lock of claim 6, wherein: an inner abutting block (13) is arranged at one end, close to the lower cabinet plate door (32), of the upper cabinet plate door (31), an outer abutting block (14) which is in lap joint with the inner abutting block (13) is arranged at one end, close to the upper cabinet plate door (31), of the lower cabinet plate door (32), and the outer abutting block (14) tightly presses the inner abutting block (13).
8. The intelligent lock of claim 1, wherein: a sealing ring (15) is arranged on the cabinet door (3), and the sealing ring (15) is located at the joint of the cabinet door (3) and the cabinet body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120017122.7U CN214365525U (en) | 2021-01-05 | 2021-01-05 | Intelligent door lock for power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120017122.7U CN214365525U (en) | 2021-01-05 | 2021-01-05 | Intelligent door lock for power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214365525U true CN214365525U (en) | 2021-10-08 |
Family
ID=77952904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120017122.7U Expired - Fee Related CN214365525U (en) | 2021-01-05 | 2021-01-05 | Intelligent door lock for power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214365525U (en) |
-
2021
- 2021-01-05 CN CN202120017122.7U patent/CN214365525U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211008 |
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| CF01 | Termination of patent right due to non-payment of annual fee |