CN216085912U

CN216085912U - Low-voltage power distribution cabinet with automatic alarm function

Info

Publication number: CN216085912U
Application number: CN202122668158.4U
Authority: CN
Inventors: 段志学
Original assignee: Tangshan Qinrui Electric Co ltd
Current assignee: Tangshan Qinrui Electric Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-03-18
Anticipated expiration: 2031-11-03

Abstract

The application relates to a low-voltage power distribution cabinet with an automatic alarm function, which belongs to the technical field of power distribution cabinet manufacturing and comprises a cabinet door and a cabinet body, wherein a door lock assembly locked with the cabinet body is arranged on the cabinet door, and the low-voltage power distribution cabinet also comprises a controller; the storage module is used for prestoring a temporary set password and personal information and contact information of maintenance personnel; the touch screen is used for inputting a temporary set password and displaying maintenance state information of the power distribution cabinet by a maintenance worker; the cabinet door is also provided with a door magnetic switch locked with the cabinet body, and when the controller inputs a temporary set password to the maintenance personnel and the temporary set password is compared and is consistent with the prestored password, the controller controls the door magnetic switch to be unlocked; the storage module, the touch screen and the door magnetic switch are all connected with the controller. This application has when the switch board is in maintenance state, reminds the effect that the blind person does not close a floodgate, reduces the occurence of failure possibility.

Description

Low-voltage power distribution cabinet with automatic alarm function

Technical Field

The application relates to the technical field of power distribution cabinet manufacturing, in particular to a low-voltage power distribution cabinet with an automatic alarm function.

Background

The low-voltage power distribution cabinet is widely applied to large-scale power utilization places such as transformer substations, power plants and industrial and mining enterprises, is usually placed in an electric room, and is provided with warning slogans around the electric room provided with the low-voltage power distribution cabinet.

When the consumer damages, need carry out the outage maintenance, at the in-process of maintenance, generally cut off the power supply cabinet by maintainer to hang the warning words of "maintaining, forbid closing a floodgate".

According to the related technology, the inventor thinks that the operator may forget to hang the warning words, and during the maintenance period of the maintenance personnel, the unknown personnel may switch on the switch by mistake, so that an accident occurs.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility of accident, this application provides a low-voltage distribution cabinet with automatic alarm function.

The application provides a low-voltage distribution cabinet with automatic alarm function adopts following technical scheme:

a low-voltage power distribution cabinet with an automatic alarm function comprises a cabinet door and a cabinet body, wherein a door lock assembly locked with the cabinet body is arranged on the cabinet door, and the low-voltage power distribution cabinet also comprises a controller; and the number of the first and second groups,

the storage module is used for prestoring a temporary set password and prestoring personal information and contact information of maintenance personnel;

the touch screen is used for inputting a temporary set password and displaying maintenance state information of the power distribution cabinet by a maintenance worker;

the cabinet door is also provided with a door magnetic switch locked with the cabinet body, and when the controller inputs a temporary set password to the maintenance personnel and the temporary set password is compared and is consistent with the prestored password, the controller controls the door magnetic switch to be unlocked;

the storage module, the touch screen and the door magnetic switch are all connected with the controller.

By adopting the technical scheme, when a maintenance worker operates the touch screen to enable the power distribution cabinet to enter a maintenance state, the maintenance worker needs to set a temporary set password, and after the setting is finished, the controller controls the door magnetic switch to be electrified, so that the cabinet door and the cabinet body are locked; when the password is set for temporarily to the input with prestore when temporarily setting for the password unanimous, just can open the cabinet door, otherwise will remind the personnel's of knowing nothing switch board to be in the maintenance state, do not unblank to reduce the possibility of mistake combined floodgate, and then reduce the possibility of occurence of failure.

Optionally, the door lock assembly comprises a door lock fixedly connected with the cabinet door and a door lock cover arranged outside the door lock in a covering mode, the door lock cover comprises a main board, two side plates are fixedly connected with two sides of the main board, first sliding grooves are formed in the positions, corresponding to the two side plates, of the cabinet door, one end, close to the bottom of the first sliding grooves, of each side plate is fixedly connected with a plug board, the plug boards are mutually plugged with the cabinet door and integrally formed with the side plates, and the side plates slide on the first sliding grooves.

Through adopting above-mentioned technical scheme, under the spacing of plugboard and spout, make door locking closure and cabinet door be difficult for the separation, when needs sliding door locking closure unblanked, the door locking closure slided along first spout, had strengthened the stability of door locking closure when sliding on the cabinet door, and the door locking closure has the guard action to the lock simultaneously.

Optionally, a second chute is formed in the position, close to the door lock, of the cabinet door, the second chute penetrates through the cabinet door, a metal plate is fixedly connected to the main plate, penetrates through the main plate, and penetrates through the second chute and is in sliding connection with the cabinet door.

Through adopting above-mentioned technical scheme, when needs sliding door locking closure, maintenance personal can promote the metal sheet to it is more convenient during sliding door locking closure.

Optionally, the one side that the door lock lid was kept away from to the cabinet door is provided with the electro-magnet of being connected with the controller, and when the metal sheet slided to the one end of keeping away from the lock along first spout, the controller control electro-magnet adsorbs the metal sheet.

Through adopting above-mentioned technical scheme, when the metal sheet was adsorbed by the electro-magnet, the lock was kept away from to the lock lid, and the maintenance personal need not hold the lock lid with the hand, and it is more convenient that the maintenance personal unblanked.

Optionally, one side of the metal plate, which is far away from the electromagnet, is fixedly connected with a spring for resetting the metal plate, and one end of the spring, which is far away from the metal plate, is fixedly connected with the cabinet door.

By adopting the technical scheme, when the controller controls the electromagnet to be powered off, the spring pulls the metal plate to move along the length direction of the spring, so that the door lock cover is automatically buckled back to the door lock, and the door lock is more convenient.

Optionally, a photoelectric sensor for detecting the door lock cover is arranged on the position, close to the door lock, of the cabinet door, the photoelectric sensor is connected with the controller, when the door lock cover covers the door lock, the photoelectric sensor is aligned to the door lock cover, and when the photoelectric sensor detects that the door lock cover moves, the controller controls the electromagnet to be electrified.

Through adopting above-mentioned technical scheme, when the switch board is in maintenance state, photoelectric sensor detects the lock lid and takes place to remove, gives the controller with detected signal transmission, and the controller control electro-magnet circular telegram to adsorb the lock lid, reach automatic control's effect.

Optionally, an audible and visual alarm is arranged on the cabinet door and connected with the controller, when the power distribution cabinet enters a maintenance state, the cabinet door is opened, and the controller controls the audible and visual alarm to be electrified.

Through adopting above-mentioned technical scheme, when photoelectric sensor detects that the door locking closure takes place to remove, photoelectric sensor sends detected signal for the controller, and audible-visual annunciator of controller control sends the police dispatch newspaper, reminds the unconscious personnel to stop unblanking, reduces the possibility that the accident took place.

Optionally, the power supply device further comprises a power supply input end arranged inside the cabinet body, a time relay used for delaying electrification is arranged between the power supply input end and the controller, and the time relay is electrically connected with the controller and the power supply input end respectively.

By adopting the technical scheme, when the controller controls the power supply input end to be powered off, the maintenance personnel controls the touch screen to be powered off, so that the direct contact between the maintenance personnel and the power supply is reduced, and the possibility of accidents of the maintenance personnel is reduced; when the controller controls the time relay to be electrified, the time relay starts timing, the power input end is electrified after the timing is finished, the response time is reserved for maintenance personnel, and the occurrence of accidents is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the controller controls the power supply input end to be powered off, the controller controls the door magnetic switch to be powered on, so that the cabinet door is locked, and meanwhile, the controller displays characters which are being overhauled, so that a person who is not aware of the fact is reminded of forbidding to switch on the cabinet, and accidents are reduced;

2. after the maintenance personnel use the controller to cut off the power, the maintenance personnel leave the electricity room, the controller controls the electromagnet to lose the power, the spring pulls the metal block to move downwards, and the door lock cover is automatically buckled back.

Drawings

Fig. 1 is a schematic structural diagram of a low-voltage power distribution cabinet in the embodiment.

Fig. 2 is a block diagram of the structure in the present embodiment.

Figure 3 is a schematic view showing the position of the door lock assembly in this embodiment.

Fig. 4 is an enlarged schematic view of a in fig. 3.

Fig. 5 is a schematic sectional view showing the connection relationship between the door lock cover and the cabinet door.

Description of reference numerals: 1. a cabinet body; 11. a cavity; 12. a power supply input terminal; 13. a time relay; 14. a groove; 2. a cabinet door; 21. a first chute; 22. a second chute; 23. a photosensor; 24. an audible and visual alarm; 3. a door lock assembly; 31. a door lock; 32. a door lock cover; 321. a main board; 322. a side plate; 3221. a plugboard; 323. a top plate; 33. a metal plate; 34. an electromagnet; 35. a spring; 36. a fixing plate; 4. a controller; 5. a storage module; 6. a touch screen; 7. a door magnetic switch; 8. and a communication module.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-4 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

The embodiment of the application discloses low-voltage distribution cabinet with automatic alarm function. Referring to fig. 1 and 2, the low voltage distribution cabinet includes cabinet body 1 and cabinet door 2, and cabinet body 1 and 2 one end of cabinet door are articulated mutually, are provided with lock assembly 3 on the cabinet door 2, make 2 accessible lock assemblies 3 of cabinet door and the locking of the cabinet body 1. The cabinet body 1 is inside to be seted up cavity 11, is provided with power input end 12 in the cavity 11, and power input end 12 is the switch board interior power bus inlet wire, and the switch board still includes controller 4, and power input end 12 is connected with controller 4, and the steerable power input end 12 of controller 4 switches on or off promptly.

The cabinet door 2 is provided with a door magnetic switch 7, and the door magnetic switch 7 is electrically connected with the controller 4. When the controller 4 controls the door magnetic switch 7 to be electrified, the door magnetic switch 7 enables the cabinet door 2 and the cabinet body 1 to be locked, so that the effect of double locking of the cabinet door 2 and the cabinet body 1 is achieved, and the possibility of accidents is reduced.

The side of the cabinet door 2 away from the cabinet body 1 is provided with a touch screen 6, and the touch screen 6 is fixedly connected with the cabinet door 2 and is electrically connected with the controller 4. The controller 4 is also connected to a memory module 5. When in maintenance, the controller 4 enables the power supply input end 12 to be powered off and controls the door magnetic switch 7 to be powered on, a maintenance worker inputs a temporary set password through the touch screen 6, and the storage module 5 stores the temporary set password; when the power input end 12 needs to be controlled to be powered on, a maintenance worker inputs a temporary set password, the controller 4 verifies whether the input password is correctly matched with the pre-stored temporary set password, and if the input password is matched with the pre-stored temporary set password, the controller 4 controls the power input end 12 to be powered on and controls the door magnetic switch 7 to be powered off; otherwise, the door magnetic switch 7 is continuously powered on, and the touch screen 6 can display characters of 'password error, please contact with maintenance personnel', and remind the unknown personnel to do not operate.

Referring to fig. 3 and 4, the door lock assembly 3 includes a door lock 31 fixedly connected to the cabinet door 2, and a door lock cover 32 covering the outside of the door lock 31, and the door lock cover 32 protects the door lock 31. The door lock 31 includes a lock 311 inserted into the cabinet door 2 and a baffle 312 fixedly connected to the lock 311, the lock 311 is located on the same side as the touch screen 6, a groove 14 is formed in a position on the cabinet body 1 corresponding to the baffle 312, and when the cabinet door 2 is closed, the baffle 312 can be inserted into the groove 14.

Door lock cover 32 includes mainboard 321, curb plate 322 at the equal fixedly connected with in both sides of mainboard 321, curb plate 322 sets up along vertical direction, curb plate 322 pegs graft with cabinet door 2, at mainboard 321 and curb plate 322 with one side fixedly connected with roof 323, first spout 21 has all been seted up with two curb plate 322 corresponding positions on cabinet door 2, the length direction of first spout 21 is unanimous with curb plate 322 length direction, curb plate 322 can slide on first spout 21. When the cabinet door 2 is opened, the door lock cover 32 is slid upward along the length direction of the first sliding groove 21, so that the lock 311 is completely exposed, and the unlocking is facilitated.

Referring to fig. 5, a connection board 3221 is fixedly connected to an end of the side plate 322 far away from the main plate 321, and the connection board 3221 is perpendicular to the side plate 322 and is integrally formed with the side plate 322. One end of the first sliding groove 21, which is far away from the notch, is bent towards one side, and the insertion board 3221 is located at the bottom of the first sliding groove 21 and is slidably connected with the cabinet door 2. The door lock cover 32 can slide on the cabinet door 2 more stably by arranging the inserting plate 3221.

Referring to fig. 3 and 4, a second sliding groove 22 is formed in the cabinet door 2 at a position corresponding to a vertical center line of the main board 321, a length direction of the second sliding groove 22 is identical to a length direction of the first sliding groove 21, a metal plate 33 is fixedly connected to the main board 321, the metal plate 33 penetrates through the main board 321 and penetrates through the second sliding groove 22 to be slidably connected with the cabinet door 2, and the metal plate 33 can slide along the length direction of the second sliding groove 22.

When the door lock 31 needs to be opened, a maintenance worker pushes the metal plate 33, the metal plate 33 drives the door lock cover 32 to move along the length direction of the second sliding groove 22, and when the metal plate 33 moves to one side far away from the door lock 31, the lock catch 311 is completely exposed, so that the door lock is convenient to open.

A fixing plate 36 is fixedly connected to the cabinet door 2, the fixing plate 36 is located on one side of the baffle 312 far away from the metal plate 33, a spring 35 is arranged on one side of the fixing plate 36 close to the metal plate 33, one end of the spring 35 is fixedly connected with the fixing plate 36, and one end of the spring 35 far away from the fixing plate 36 is fixedly connected with the metal plate 33. After the maintenance personnel lock the cabinet door 2 and the cabinet body 1, if forget to restore the door lock cover 32 to the original position, the spring 35 resets, and the door lock cover 32 can be pulled to automatically return to the original position, which is more convenient.

Referring to fig. 2 and 4, an electromagnet 34 is disposed at an end of the second chute 22 away from the fixing plate 36, the electromagnet 34 is fixedly connected to the cabinet door 2, the electromagnet 34 is electrically connected to the controller 4, and when the metal plate 33 is close to the electromagnet 34 and the controller 4 controls the electromagnet 34 to be energized, the metal plate 33 can be adsorbed on the electromagnet 34, so that the door lock cover 32 is fixed above the door lock 31, and unlocking is more convenient.

The cabinet door 2 is provided with a photoelectric sensor 23 for detecting the movement of the door lock cover 32, the photoelectric sensor 23 is close to the door lock 31 and is fixedly connected with the cabinet door 2, and the photoelectric sensor 23 is also electrically connected with the controller 4. When the photoelectric sensor 23 detects that the door lock cover 32 moves, the photoelectric sensor 23 transmits a signal to the controller 4, and the controller 4 controls the electromagnet 34 to be electrified, so that the electromagnet 34 adsorbs the metal plate 33, the door lock cover 32 is fixed, the door lock cover 32 does not move any more, and unlocking is facilitated; when the photoelectric sensor 23 cannot detect the door lock cover 32 for a long time, the controller 4 controls the electromagnet 34 to lose power, the attraction force between the electromagnet 34 and the metal plate 33 disappears, the spring 35 resets to pull the metal plate 33 to slide in the direction away from the electromagnet 34, and the photoelectric sensor 23 can detect the door lock cover 32 until the spring 35 is in a normal state.

In order to further remind the unconscious person to open the cabinet door 2 for closing, an audible and visual alarm 24 is arranged on the cabinet door 2, and the audible and visual alarm 24 is electrically connected with the controller 4. When the switch board got into maintenance state, the personnel of not knowing promoted door locking closure 32, and photoelectric sensor 23 will detect signal transmission and give controller 4, and controller 4 control audible-visual annunciator 24 circular telegrams, sends the police dispatch newspaper, shows alarm signal simultaneously on touch-sensitive screen 6 to remind the personnel of not knowing switch board and overhaul, do not close a floodgate, thereby reduce the possibility that the occurence of failure. The controller 4 controls the touch screen 6 to display the predicted maintenance time and personal information and contact information of maintenance personnel, so that the unknown personnel can conveniently contact with the maintenance personnel.

Referring to fig. 2, the controller 4 is further connected with a communication module 8, the communication module 8 can be a radio station communication module, a bluetooth communication module and a network communication module, the communication module 8 is connected with the mobile terminal, and when the audible and visual alarm 24 is triggered, the controller 4 sends information to the mobile terminal through the communication module 8, so that maintenance personnel are reminded.

The implementation principle of the low-voltage power distribution cabinet with the automatic alarm function in the embodiment of the application is as follows: when the power distribution cabinet needs to be powered off, a maintenance worker operates the touch screen 6 to power off the power distribution cabinet, and sets a temporary setting password; then open cabinet door 2, the maintenance personal tests the electricity to the switch board, tests the electricity and finishes the back, and controller 4 control door magnetic switch 7 circular telegram, and maintenance personal closes cabinet door 2, and door magnetic switch 7 locks cabinet door 2 and the cabinet body 1.

During the switch board maintenance, the personnel of not knowing promote door lock lid 32, and photoelectric sensor 23 detects door lock lid 32 and takes place to remove, later gives controller 4 with signal transmission, and controller 4 controls audible-visual annunciator 24 circular telegrams, and audible-visual annunciator 24 sends the police dispatch newspaper, shows alarm information on the touch-sensitive screen 6, and controller 4 controls communication module 8 and mobile terminal to communicate simultaneously to remind maintenance personal.

After the maintenance is finished, a maintenance person inputs a temporary set password on the touch screen 6, the controller 4 controls the door magnetic switch 7 to lose power after the controller 4 verifies the correctness, then the touch screen 6 is controlled to enable the time relay 13 to start timing, and the power input end 12 is powered on after the timing is finished.

The foregoing is a preferred embodiment of the present application and is not intended to limit the scope of the application in any way, and any features disclosed in this specification (including the abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

Claims

1. A low-voltage power distribution cabinet with an automatic alarm function comprises a cabinet body (1) and a cabinet door (2), wherein a door lock assembly (3) locked with the cabinet body is arranged on the cabinet door (2), and the low-voltage power distribution cabinet is characterized by further comprising a controller (4); and the number of the first and second groups,

the storage module (5) is used for prestoring a temporary set password and personal information and contact information of maintenance personnel;

the touch screen (6) is used for inputting temporary set passwords by maintenance personnel and displaying maintenance state information of the power distribution cabinet;

the cabinet door (2) is also provided with a door magnetic switch (7) locked with the cabinet body (1), and when the controller (4) inputs a temporary set password to the maintenance personnel and compares the temporary set password with a prestored temporary set password in a consistent manner, the controller (4) controls the door magnetic switch (7) to be powered off;

the storage module (5), the touch screen (6) and the door magnetic switch (7) are all connected with the controller (4).

2. The low-voltage power distribution cabinet with the automatic alarm function according to claim 1, wherein the door lock assembly (3) comprises a door lock (31) fixedly connected with the cabinet door (2) and a door lock cover (32) covering the outside of the door lock (31), the door lock cover (32) comprises a main board (321), two sides of the main board (321) are fixedly connected with a side board (322), first sliding grooves (21) are formed in positions, corresponding to the two side boards (322), on the cabinet door (2), one end, close to the bottom of the first sliding groove (21), of each side board (322) is fixedly connected with an insertion board (3221), the insertion boards (3221) and the cabinet door (2) are mutually inserted and integrally formed with the side boards (322), and the side boards (322) slide on the first sliding grooves (21).

3. The low-voltage power distribution cabinet with the automatic alarm function according to claim 2, wherein a second sliding groove (22) is formed in a position, close to the door lock (31), of the cabinet door (2), the second sliding groove (22) penetrates through the cabinet door (2), a metal plate (33) is fixedly connected to the main plate (321), and the metal plate (33) penetrates through the main plate (321) and penetrates through the second sliding groove (22) to be slidably connected with the cabinet door (2).

4. The low-voltage power distribution cabinet with the automatic alarm function according to claim 3, wherein an electromagnet (34) connected with the controller (4) is arranged on a side of the cabinet door (2) far away from the door lock cover (32), and when the metal plate (33) slides to an end far away from the door lock (31) along the first sliding groove (21), the controller (4) controls the electromagnet (34) to adsorb the metal plate (33).

5. The low-voltage power distribution cabinet with the automatic alarm function according to claim 3, wherein a spring (35) for resetting the metal plate (33) is fixedly connected to one side of the metal plate (33) far away from the electromagnet (34), and one end of the spring (35) far away from the metal plate (33) is fixedly connected with the cabinet door (2).

6. The low-voltage power distribution cabinet with the automatic alarm function according to claim 2, wherein a photoelectric sensor (23) for detecting a door lock cover (32) is arranged at a position of the cabinet door (2) close to the door lock (31), the photoelectric sensor (23) is connected with the controller (4), when the door lock cover (31) is covered by the door lock cover (32), the photoelectric sensor (23) faces the door lock cover (32), and when the photoelectric sensor (23) detects that the door lock cover (32) moves, the controller (4) controls the electromagnet (34) to be electrified.

7. The low-voltage distribution cabinet with the automatic alarm function according to claim 2, wherein an audible and visual alarm (24) is arranged on the cabinet door (2), the audible and visual alarm (24) is connected with the controller (4), and the controller (4) controls the audible and visual alarm (24) to give an alarm when the distribution cabinet is in a maintenance state and the door lock cover (32) moves.

8. The low-voltage power distribution cabinet with the automatic alarm function according to claim 1, further comprising a power input end (12) arranged inside the cabinet body (1), wherein a time relay (13) for delayed energization is arranged between the power input end (12) and the controller (4), and the time relay (13) is electrically connected with the controller (4) and the power input end (12) respectively.