CN117316664A - Electrical switch cabinet door interlocking device and use method thereof - Google Patents

Electrical switch cabinet door interlocking device and use method thereof Download PDF

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Publication number
CN117316664A
CN117316664A CN202311254585.5A CN202311254585A CN117316664A CN 117316664 A CN117316664 A CN 117316664A CN 202311254585 A CN202311254585 A CN 202311254585A CN 117316664 A CN117316664 A CN 117316664A
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CN
China
Prior art keywords
cabinet door
piece
cabinet
fixedly connected
rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311254585.5A
Other languages
Chinese (zh)
Inventor
李钢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xianning Municipal Engineering Co ltd
Original Assignee
Xianning Municipal Engineering Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xianning Municipal Engineering Co ltd filed Critical Xianning Municipal Engineering Co ltd
Priority to CN202311254585.5A priority Critical patent/CN117316664A/en
Publication of CN117316664A publication Critical patent/CN117316664A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02—Details
    • H01H31/04—Interlocking mechanisms
    • H01H31/10—Interlocking mechanisms for interlocking two or more switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/128—Manual release or trip mechanisms, e.g. for test purposes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/38—Hinged covers or doors

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

The application discloses electrical switch cabinet door interlock belongs to electrical switch cabinet technical field. An interlocking device for a cabinet door of an electrical switch cabinet comprises a cabinet body; the cabinet door is provided with two cabinet doors; the baffle is fixedly arranged at the lower part of the cabinet body; the air switch is arranged and fixed at the bottom of the cabinet body; the pressing piece is fixedly arranged at the bottom of the cabinet body and comprises a supporting rod, the inside of the supporting rod is slidably connected with a pressing rod, a reset spring is sleeved on the pressing rod, the end part of the reset spring is fixedly connected with a sliding plate, the sliding plate is fixedly connected with the pressing rod, and the other end of the reset spring is fixedly connected with the supporting rod. The cabinet door can be driven to be opened outwards automatically through the design of the opening and closing piece without manually pushing the cabinet door open, and after the air switch trips through the linkage of the pressing piece, the cabinet door can be opened, so that the safety of maintenance workers is guaranteed, and the safety is high.

Description

Electrical switch cabinet door interlocking device and use method thereof
Technical Field
The application relates to the technical field of electrical switch cabinets, in particular to an electrical switch cabinet door interlocking device and a use method thereof.
Background
The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters the main control switch in the cabinet, then enters the sub-control switch, and each shunt is arranged according to the requirement. Such as meters, automatic control, motor magnetic switches, various ac contactors, etc., and high-voltage and low-voltage switchgear, high-voltage buses, such as power plants, etc., and low-cycle relief for protecting major equipment. Because a large number of electrical equipment is installed in the switch cabinet, the switch cabinet is not allowed to be opened in operation because of potential safety hazards when the switch cabinet is opened in operation, and therefore a cabinet door interlocking device is needed.
The prior art publication CN218569573U provides an interlocking device for the door of an electrical switch cabinet.
In the related art, when the switch cabinet needs to be opened, the key stretches into the lock core and rotates, the toothed plate is fixed on the outer side of the lock core, the first gear is connected with the outer side engagement of the toothed plate, the rotating shaft is fixed on the middle position of the first gear, the second gear is fixed on the outer side of the rotating shaft, the third gear is connected with the side engagement of the second gear, the transmission shaft is fixed on the middle position of the third gear, the fourth gear is fixed at the end of the transmission shaft, the fifth gear is connected with the side engagement of the fourth gear, the first threaded rod is fixed on the middle position of the fifth gear, the belt is installed at the end of the first threaded rod, the second threaded rod is installed on the inner side of the belt, the poking plate is connected with the outer sides of the first threaded rod and the second threaded rod in a threaded mode, when the poking plate acts on the electric main switch body, the electric main switch body is in a closed state, when the cabinet door body is opened, the switch cabinet can be in the closed state, safety of a person can be protected, and the operation is simple.
Aiming at the related technology, the inventor considers that the mounting structure can drive the air switch to separate slowly, so that the air switch moving and static contacts can be contacted for a long time, arcing can be caused, and meanwhile, contact wear can be aggravated, so that the existing electric switch cabinet door has the defects that arcing can be caused, and meanwhile, contact wear can be aggravated.
In view of this, we propose an electrical switchgear cabinet door interlock.
Disclosure of Invention
In order to improve the defect that arcing is caused and contact wear is also aggravated, the application provides an interlocking device for a cabinet door of an electrical switch cabinet.
The application provides an electrical switch cabinet door interlock adopts following technical scheme:
an interlocking device for a cabinet door of an electrical switch cabinet comprises a cabinet body;
the cabinet door is provided with two cabinet doors;
the baffle is fixedly arranged at the lower part of the cabinet body;
the air switch is arranged and fixed at the bottom of the cabinet body;
the pressing piece, the installation of pressing piece is fixed in cabinet body bottom, just the pressing piece includes the bracing piece, the inside sliding connection of bracing piece has the push rod, the cover is equipped with reset spring on the push rod, reset spring end connection is fixed with the slide, the slide is fixed with the push rod connection, the reset spring other end is fixed with the bracing piece connection.
Through adopting above-mentioned technical scheme, the design of pressing member can be through the test button on the direct butt air switch, and so air switch will be automatic trip immediately, and the internal electrical equipment of cabinet is in outage state this moment, just can open the cabinet door and overhaul this moment, outage to electrical equipment through this kind of mode, not only automatic quick, and avoid the slow closed air switch of prior art to lead to can cause the arcing and also can aggravate the problem of contact wearing and tearing simultaneously.
Preferably, the bottom of the cabinet body is fixedly provided with a driving piece, the driving piece comprises a driving motor fixedly arranged at the bottom of the cabinet body, an output shaft of the driving motor is fixedly provided with a lug, and the lug is in sliding fit with the sliding plate.
Through adopting above-mentioned technical scheme, the design of driving piece can drive multiple structure operation in step, realizes the linkage of multiple function, not only can save energy and increase efficiency, can also increase the operating efficiency of device.
Preferably, the front part of the cabinet body is fixedly connected with two baffles, and the edges of the baffles and the cabinet door are in a triangular structure.
Through adopting above-mentioned technical scheme, baffle and cabinet door edge all are the design of triangle structure, the opening and the closure of cabinet door of being convenient for.
Preferably, the cabinet door inner wall installation is fixed with the piece that opens and shuts, the piece that opens and shuts includes the push rod of being connected fixedly with the cabinet door, the push rod other end is connected fixedly with bull stick, the bull stick other end rotates and is connected with the pull rod, pull rod middle part below is provided with the cooperation pole, the cooperation pole other end is fixed with cabinet door inner wall connection, the bull stick tip rotates with cabinet body bottom to be connected, the push rod is L type structure.
Through adopting above-mentioned technical scheme, the design of piece that opens and shuts can drive the cabinet door and open outwards automatically, and need not the manual cabinet door of pushing open of manual work, and through the linkage with pressing member, can guarantee that air switch tripping operation after, the cabinet door can open, has guaranteed maintenance workman's safety, and the security is higher.
Preferably, the inner ends of the two pull rods are rotationally connected with rotating blocks, the inner ends of the two rotating blocks are fixedly connected with rotating discs, and the two rotating blocks are placed in a central symmetrical structure.
Through adopting above-mentioned technical scheme, the carousel cooperates the commentaries on classics piece of deflection design on it, can drive two sets of symmetrical structure synchronous motion of opening and shutting piece, and can not develop the problem that the motion interfered.
Preferably, a transmission part is fixedly arranged above the turntable, the transmission part comprises a gear fixedly connected with the turntable, sector teeth are connected outside the gear in a meshed manner, and the sector teeth are rotatably connected with the bottom of the cabinet body.
Preferably, the transmission piece further comprises a rotating frame fixedly connected with the sector teeth, a sliding column is connected inside the rotating frame in a sliding mode, and the sliding column is fixedly connected to the edge of the protruding block.
Through adopting above-mentioned technical scheme, the design of driving piece can send the power of driving piece to the piece that opens and shuts, just so can make the piece that opens and shuts and link with other structures to form a complete orderly whole.
Preferably, the telescopic groove is formed in the end portion of the rotating frame, and the poking piece is installed in the telescopic groove.
Preferably, the stirring piece comprises a spring fixed with the telescopic groove, the other end of the spring is fixedly connected with a stirring block, the stirring block is in sliding connection with the telescopic groove, and the stirring block is in an arc-shaped structure.
Wherein the opening and closing piece drives the cabinet door to automatically open outwards, and the opening delay of the cabinet door is linked with the tripping operation of the air switch triggered by the pressing piece, the driving piece drives the driving piece to rotate again after the maintenance is finished, then the driving piece reverses, the driving piece toggles the switch of the air switch through the toggling piece to recover the power supply of the electrical equipment in the cabinet body, and the cabinet door is closed in synchronous response to the toggling action.
Through adopting above-mentioned technical scheme, stir the design of piece, can be after the maintenance, the driving piece drives the driving piece again and rotates, then the driving piece reverses, and the driving piece will stir air switch's switch through stirring the piece this moment, and the internal electrical equipment of cabinet resumes the power supply afterwards, and the cabinet door also in time closes this moment.
The application also discloses a method for using the electric switch cabinet door interlocking device, which comprises the following steps:
s1, when the electrical cabinet is overhauled, the driving piece operates to drive the pressing piece to move, the pressing piece abuts against the air switch test button at the moment, and then the electrical cabinet is powered off;
s2, the synchronous driving piece drives the opening and closing piece to operate through the transmission piece, and then the opening and closing piece drives the cabinet door to open;
and S3, after the maintenance is finished, the transmission piece is reversed, and at the moment, the transmission piece drives the stirring piece to stir the air switch button, and the electrical cabinet resumes power supply.
3. Advantageous effects
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the design of pushing the piece, this application can be through the test button on the direct butt air switch, and so air switch will be automatic trip immediately, and the internal electrical equipment of cabinet is in outage state this moment, just can open the cabinet door and overhaul this moment, outage to electrical equipment through this kind of mode, not only automatic quick, and avoid the slow closed air switch of prior art to lead to can cause the arcing and also can aggravate the problem of contact wearing and tearing simultaneously.
2. The cabinet door can be driven to be opened outwards automatically through the design of the opening and closing piece without manually pushing the cabinet door open, and after the air switch trips through the linkage of the pressing piece, the cabinet door can be opened, so that the safety of maintenance workers is guaranteed, and the safety is high.
3. The utility model discloses a through stirring the design of piece, can drive the driving piece again and rotate after the maintenance, then the driving piece reverses, and the driving piece will stir air switch's switch through stirring the piece this moment, and the internal electrical equipment of cabinet resumes the power supply afterwards, and the cabinet door also in time closes this moment.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an interlocking device for a cabinet door of an electrical switch cabinet disclosed in embodiment 1 of the present application;
fig. 2 is a schematic diagram of a baffle structure of an interlocking device of a cabinet door of an electrical switch cabinet disclosed in embodiment 1 of the present application;
fig. 3 is a schematic diagram of an opening and closing member of an interlocking device of an electrical switch cabinet door disclosed in embodiment 1 of the present application;
fig. 4 is a schematic structural diagram of a pressing member of an interlocking device of a cabinet door of an electrical switch cabinet disclosed in embodiment 1 of the present application;
fig. 5 is a schematic structural diagram of a driving member of an interlocking device of a cabinet door of an electrical switch cabinet disclosed in embodiment 1 of the present application;
fig. 6 is a schematic structural diagram of a toggle member of an interlocking device of an electrical switch cabinet door disclosed in embodiment 1 of the present application;
the reference numerals in the figures illustrate: 1. a cabinet body; 2. a cabinet door; 3. a partition plate; 4. an air switch; 5. a pressing member; 6. a support rod; 7. pressing a pressing rod; 8. a return spring; 9. a slide plate; 10. a driving member; 11. a driving motor; 12. a bump; 13. a baffle; 14. an opening and closing member; 15. a push rod; 16. a rotating rod; 17. a pull rod; 18. a rotating block; 19. a turntable; 20. a mating lever; 21. a gear; 22. sector teeth; 23. a rotating frame; 24. a spool; 25. a transmission member; 26. a telescopic slot; 27. a toggle member; 28. a spring is sprung; 29. and (5) a shifting block.
Detailed Description
The present application is described in further detail below in conjunction with the drawings attached to the specification.
Referring to fig. 3 and 4, an embodiment of the present application discloses an electrical switch cabinet door interlock. A cabinet body 1;
the cabinet door 2 is provided with two cabinet doors 2;
the partition board 3 is fixedly arranged at the lower part of the cabinet body 1;
the air switch 4 is arranged and fixed at the bottom of the cabinet body 1;
the pressing piece 5, the installation of pressing piece 5 is fixed in cabinet body 1 bottom, and pressing piece 5 includes bracing piece 6, and inside sliding connection of bracing piece 6 has presses down pole 7, and the cover is equipped with reset spring 8 on pressing the pole 7, and reset spring 8 end connection is fixed with slide 9, and slide 9 is fixed with pressing the pole 7 connection, and the reset spring 8 other end is fixed with bracing piece 6 connection.
The design of the pressing piece 5 can be directly abutted against a test button on the air switch 4, so that the air switch 4 can automatically trip immediately, at the moment, the internal electrical equipment of the cabinet body 1 is in a power-off state, and the cabinet door 2 can be opened for overhauling at the moment, so that the electrical equipment is powered off in such a way, the problem that the contact wear is aggravated at the same time due to the fact that the air switch 4 is slowly closed in the prior art is avoided, and the problem that arcing is caused is solved.
Referring to fig. 5, a driving member 10 is fixedly installed at the bottom of the cabinet body 1, the driving member 10 comprises a driving motor 11 fixedly installed at the bottom of the cabinet body 1, a protruding block 12 is fixedly connected with an output shaft of the driving motor 11, and the protruding block 12 is in sliding fit with the sliding plate 9.
The design of the driving piece 10 can synchronously drive various structures to operate, realize linkage of various functions, save energy and increase efficiency, and increase the operation efficiency of the device.
Referring to fig. 2, two baffles 13 are fixedly connected to the front part of the cabinet body 1, and the baffles 13 and the edges of the cabinet door 2 are in a triangular structure.
The baffle 13 and the edge of the cabinet door 2 are both in a triangular structure, so that the cabinet door 2 can be conveniently opened and closed.
Referring to fig. 3, an opening and closing member 14 is fixedly installed on the inner wall of the cabinet door 2, the opening and closing member 14 comprises a push rod 15 fixedly connected with the cabinet door 2, a rotary rod 16 is fixedly connected to the other end of the push rod 15, a pull rod 17 is rotatably connected to the other end of the rotary rod 16, a matching rod 20 is arranged below the middle part of the pull rod 17, the other end of the matching rod 20 is fixedly connected with the inner wall of the cabinet door 2, the end part of the rotary rod 16 is rotatably connected with the bottom of the cabinet body 1, and the push rod 15 is of an L-shaped structure.
The design of the opening and closing piece 14 can drive the cabinet door 2 to automatically open outwards without manually pushing the cabinet door 2, and after the air switch 4 trips through the linkage with the pressing piece 5, the cabinet door 2 can be opened, so that the safety of maintenance workers is ensured, and the safety is higher.
Referring to fig. 3, the inner ends of the two pull rods 17 are rotatably connected with rotating blocks 18, the inner ends of the two rotating blocks 18 are fixedly connected with rotating discs 19, and the two rotating blocks 18 are placed in a central symmetrical structure.
The turntable 19 cooperates with the rotating block 18 which is designed in a deflection way, can drive the two groups of symmetrical structures of the opening and closing piece 14 to synchronously move, and can not develop the problem of movement interference.
Referring to fig. 5, a transmission member 25 is fixedly installed above the turntable 19, the transmission member 25 includes a gear 21 fixedly connected with the turntable 19, a sector tooth 22 is engaged and connected to the outside of the gear 21, and the sector tooth 22 is rotatably connected to the bottom of the cabinet 1.
The transmission part 25 further comprises a rotating frame 23 fixedly connected with the sector teeth 22, a sliding column 24 is connected inside the rotating frame 23 in a sliding mode, and the sliding column 24 is fixedly connected to the edge of the protruding block 12.
The driving member 25 is designed to transmit the power of the driving member 10 to the opening and closing member 14, so that the opening and closing member 14 can be linked with other structures, thereby forming a complete and orderly whole.
Wherein the opening and closing piece drives the cabinet door to automatically open outwards, and the opening delay of the cabinet door is linked with the tripping operation of the air switch triggered by the pressing piece, the driving piece drives the driving piece to rotate again after the maintenance is finished, then the driving piece reverses, the driving piece toggles the switch of the air switch through the toggling piece to recover the power supply of the electrical equipment in the cabinet body, and the cabinet door is closed in synchronous response to the toggling action.
Referring to fig. 6, a telescopic slot 26 is formed at the end of the rotary frame 23, and a toggle member 27 is mounted in the telescopic slot 26.
The toggle piece 27 comprises a spring 28 fixedly connected with the telescopic groove 26, a toggle block 29 is fixedly connected with the other end of the spring 28, the toggle block 29 is slidably connected with the telescopic groove 26, and the toggle block 29 is of an arc-shaped structure.
The design of stirring piece 27 can be after the maintenance is finished, and driving piece 10 drives driving piece 25 again and rotates, then driving piece 25 reversal, and driving piece 25 will stir the switch of air switch 4 through stirring piece 27 this moment, and the electrical equipment in cabinet body 1 resumes the power supply afterwards, and cabinet door 2 also in time closes this moment.
The application also discloses a method for using the electric switch cabinet door interlocking device, which comprises the following steps:
s1, when the electrical cabinet is overhauled, the driving piece 10 operates to drive the pressing piece 5 to move, at the moment, the pressing piece 5 abuts against the air switch 4 to test a button, and then the electrical cabinet is powered off;
s2, the synchronous driving piece 10 drives the opening and closing piece 14 to operate through the transmission piece 25, and then the opening and closing piece 14 drives the cabinet door 2 to open;
and S3, after the maintenance is finished, the transmission piece 25 is reversed, and at the moment, the transmission piece 25 drives the stirring piece 27 to stir the button of the air switch 4, so that the electrical cabinet recovers power supply.
The embodiment of the application provides an interlocking device for a cabinet door of an electrical switch cabinet and a using method thereof, wherein the implementation principle is as follows: when the electric cabinet is overhauled, the driving motor 11 drives the protruding block 12 to rotate, the protruding block 12 drives the sliding plate 9 to move at the moment, the sliding plate 9 compresses the reset spring 8 to drive the pressing rod 7 to abut against the air switch 4 to test the button, and then the air switch 4 is disconnected to disconnect the electric cabinet for power failure;
in the synchronous rotation process of the lug 12, the rotary frame 23 is driven to swing through the sliding column 24, one end of the rotary frame 23 drives the gear 21 to rotate through the sector teeth 22, at the moment, the gear 21 drives the rotary table 19 to rotate, the rotary table 19 drives the pull rod 17 to rotate through the rotary block 18, then the pull rod 17 drives the push rod 15 to rotate through the rotary rod 16, then the push rod 15 drives the cabinet door 2 to open, and at the moment, the matching rod 20 limits and fixes the cabinet door 2;
after the maintenance is finished, the lug 12 continues to rotate, the rotating frame 23 rotates reversely, then the rotating frame 23 drives the shifting block 29 to shift the switch of the air switch 4, at the moment, the electric cabinet resumes the power supply, and when the rotating frame 23 rotates positively, the shifting block 29 abuts against the switch of the air switch 4, and then the compression spring 28 contracts in the telescopic groove 26.
Above-mentioned in-process this application is through the design of push piece, can be through the test button on the direct butt air switch, so air switch will be automatic trip immediately, internal electrical equipment of cabinet is in outage state this moment, just can open the cabinet door and overhaul this moment, outage to electrical equipment through this kind of mode, not only automatic quick, and avoid the slow closed air switch of prior art to lead to can cause the arcing and also can aggravate the problem of contact wearing and tearing simultaneously, and through the design of opening and shutting the piece, can drive cabinet door automatic outwards opening, and need not artifical manual cabinet door, and through the linkage with the push piece, can guarantee after the air switch tripping operation, the cabinet door just can open, the safety of maintenance workman has been guaranteed, the security is higher, in addition after the maintenance is accomplished, the driving piece drives the driving piece again and rotates, then the driving piece is reversed, the driving piece will stir air switch's switch this moment, the internal electrical equipment of cabinet resumes the power supply afterwards, and cabinet door also in time closes in time.

Claims (10)

1. An electrical switchgear cabinet door interlock, its characterized in that: comprising the following steps:
a cabinet body;
the cabinet door is provided with two cabinet doors;
the baffle is fixedly arranged at the lower part of the cabinet body;
the air switch is arranged and fixed at the bottom of the cabinet body;
the pressing piece is fixedly arranged at the bottom of the cabinet body and comprises a supporting rod, the inside of the supporting rod is connected with the pressing rod in a sliding manner, a reset spring is sleeved on the pressing rod, the end part of the reset spring is fixedly connected with a sliding plate, the sliding plate is fixedly connected with the pressing rod, and the other end of the reset spring is fixedly connected with the supporting rod;
the novel cabinet is characterized in that a driving piece is fixedly arranged at the bottom of the cabinet body, the driving piece comprises a driving motor fixedly arranged at the bottom of the cabinet body, a lug is fixedly connected with an output shaft of the driving motor, two baffles are fixedly connected to the front part of the cabinet body, an opening and closing piece is fixedly arranged at the inner wall of the cabinet door, the opening and closing piece comprises a push rod fixedly connected with the cabinet door, the other end of the push rod is fixedly connected with a rotating rod, a pull rod is rotatably connected to the other end of the rotating rod, a matched rod is arranged below the middle part of the pull rod, the other end of the matched rod is fixedly connected with the inner wall of the cabinet door, the end part of the rotating rod is rotatably connected with the bottom of the cabinet body, two rotating blocks are rotatably connected to the inner ends of the rotating blocks, a transmission piece is fixedly arranged above the rotating disc, the transmission piece comprises a gear fixedly connected with the rotating disc, sector teeth are externally meshed and connected with the gear, the transmission piece further comprises a rotating frame fixedly connected with the sector teeth, a sliding column is slidably connected to the inside the rotating frame, a telescopic groove is formed in the rotating frame, and the telescopic groove is internally provided with the rotating member;
wherein the opening and closing piece drives the cabinet door to automatically open outwards, and the opening delay of the cabinet door is linked with the tripping operation of the air switch triggered by the pressing piece, the driving piece drives the driving piece to rotate again after the maintenance is finished, then the driving piece reverses, the driving piece toggles the switch of the air switch through the toggling piece to recover the power supply of the electrical equipment in the cabinet body, and the cabinet door is closed in synchronous response to the toggling action.
2. The electrical switch cabinet door interlock of claim 1 wherein: the protruding blocks are in sliding fit with the sliding plate.
3. The electrical switch cabinet door interlock of claim 2 wherein: the baffle and the edge of the cabinet door are both in triangular structures.
4. An electrical switch cabinet door interlock according to claim 3 wherein: the push rod is of an L-shaped structure.
5. The electrical switch cabinet door interlock of claim 4 wherein: the two rotating blocks are arranged in a central symmetrical structure.
6. The electrical switch cabinet door interlock of claim 5 wherein: the fan-shaped teeth are rotationally connected with the bottom of the cabinet body.
7. The electrical switch cabinet door interlock of claim 6 wherein: the sliding column is fixedly connected to the edge of the convex block.
8. The electrical switch cabinet door interlock of claim 7 wherein: the poking piece comprises a spring which is fixedly connected with the telescopic groove.
9. The electrical switch cabinet door interlock of claim 8 wherein: the other end of the spring is fixedly connected with a shifting block, the shifting block is in sliding connection with the telescopic groove, and the shifting block is of an arc-shaped structure.
10. A method of using an electrical switch cabinet door interlock according to any one of claims 1-9, comprising:
s1, when the electrical cabinet is overhauled, the driving piece operates to drive the pressing piece to move, the pressing piece abuts against the air switch test button at the moment, and then the electrical cabinet is powered off;
s2, the synchronous driving piece drives the opening and closing piece to operate through the transmission piece, and then the opening and closing piece drives the cabinet door to open;
and S3, after the maintenance is finished, the transmission piece is reversed, and at the moment, the transmission piece drives the stirring piece to stir the air switch button, and the electrical cabinet resumes power supply.
CN202311254585.5A 2023-09-26 2023-09-26 Electrical switch cabinet door interlocking device and use method thereof Pending CN117316664A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311254585.5A CN117316664A (en) 2023-09-26 2023-09-26 Electrical switch cabinet door interlocking device and use method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311254585.5A CN117316664A (en) 2023-09-26 2023-09-26 Electrical switch cabinet door interlocking device and use method thereof

Publications (1)

Publication Number Publication Date
CN117316664A true CN117316664A (en) 2023-12-29

Family

ID=89280609

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311254585.5A Pending CN117316664A (en) 2023-09-26 2023-09-26 Electrical switch cabinet door interlocking device and use method thereof

Country Status (1)

Country Link
CN (1) CN117316664A (en)

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