CN219874607U - Single-phase grounding fault processing device of power distribution cabinet - Google Patents
Single-phase grounding fault processing device of power distribution cabinet Download PDFInfo
- Publication number
- CN219874607U CN219874607U CN202320703260.XU CN202320703260U CN219874607U CN 219874607 U CN219874607 U CN 219874607U CN 202320703260 U CN202320703260 U CN 202320703260U CN 219874607 U CN219874607 U CN 219874607U
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- China
- Prior art keywords
- power distribution
- distribution cabinet
- residual current
- current relay
- connecting wire
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- 230000006698 induction Effects 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 10
- 230000006378 damage Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 206010000369 Accident Diseases 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Abstract
The utility model discloses a single-phase grounding fault processing device of a power distribution cabinet, relates to the technical field of power distribution cabinets, and aims to solve the problem that personnel damage is easily caused due to insufficient safety equipment measures when the single-phase grounding of the existing power distribution cabinet occurs. The utility model discloses a power distribution cabinet, including switch board main part, guide rail pole, buckle piece, connecting wire, the lower terminal surface of switch board main part is provided with induction coil, and induction coil installs below ground, induction coil's one end is provided with connecting wire, connecting wire's one end is provided with external controller, and external controller and connecting wire's one end electric connection, the inside of switch board main part is provided with interior cavity, and the below of the inside of shown interior cavity is provided with residual current relay, the inside lower terminal surface of switch board main part is provided with the guide rail pole, and the guide rail pole is provided with two, residual current relay passes through the buckle piece and is connected with the guide rail pole draw-in groove, and the buckle piece is provided with four, residual current relay's one end and connecting wire's other end electric connection.
Description
Technical Field
The utility model relates to the technical field of power distribution cabinets, in particular to a single-phase grounding fault processing device of a power distribution cabinet.
Background
The power distribution cabinet transfer power distribution cabinet, the illumination power distribution cabinet and the metering cabinet are final-stage equipment of a power distribution system. The power distribution cabinet is a generic name of a motor control center. The power distribution cabinet is used in the occasions with dispersed load and less loops; the motor control center is used for occasions with concentrated load and more loops. They distribute the power of a circuit of the upper-level distribution equipment to nearby loads. This class of equipment should provide protection, monitoring and control of the load. Grading: (1) primary power distribution equipment, collectively referred to as a power distribution center. They are installed centrally in the substations of the enterprise to distribute the electrical energy to the lower distribution facilities at different sites. The stage of equipment is closely adjacent to the step-down transformer, so that the electrical parameter requirement is higher, and the output circuit capacity is also larger. (2) The secondary power distribution equipment is a generic name of a power distribution cabinet and a motor control center. The power distribution cabinet is used in the occasions with dispersed load and less loops; the motor control center is used for occasions with concentrated load and more loops.
However, when the existing power distribution cabinet is in single-phase grounding, the problem of personnel damage is easily caused due to insufficient safety equipment measures.
Therefore, the existing requirements are not met, and a single-phase grounding fault processing device of a power distribution cabinet is provided.
Disclosure of Invention
The utility model aims to provide a single-phase grounding fault processing device for a power distribution cabinet, which aims to solve the problem that the prior power distribution cabinet is easy to cause personnel damage due to insufficient safety equipment measures when single-phase grounding occurs in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a switch board single-phase ground fault processing apparatus, includes the switch board main part, the lower terminal surface of switch board main part is provided with induction coil, and induction coil installs below ground, induction coil's one end is provided with connecting wire, connecting wire's one end is provided with external controller, and external controller and connecting wire's one end electric connection, the inside of switch board main part is provided with interior cavity, and the inside below of interior cavity is provided with residual current relay, the inside lower terminal surface of switch board main part is provided with the guide rail pole, and the guide rail pole is provided with two, residual current relay passes through the buckle piece and is connected with the guide rail pole draw-in groove, and the buckle piece is provided with four, residual current relay's one end and connecting wire's the other end electric connection.
Preferably, a protection plate is arranged on one side of the residual current relay, the protection plate is rotationally connected with the residual current relay, a set switch key is arranged on the inner side of the protection plate, and two set switch keys are arranged on the inner side of the protection plate.
Preferably, the periphery of the outer wall of the residual current relay is provided with rail grooves, the number of the rail grooves is eight, and the eight rail grooves are formed integrally with the residual current relay.
Preferably, the rear end face of residual current relay is provided with the access panel, the access panel passes through hexagonal bolt and residual current relay threaded connection, and hexagonal bolt is provided with four, the access panel is inside to be provided with the installation socket, and the installation socket is provided with a plurality of, a plurality of the installation socket all with the embedded fixed connection of residual current relay.
Preferably, a display screen is arranged on the upper side of the front end face of the external controller, a second operation button block is arranged on the lower side of the front end face of the external controller, and four second operation button blocks are arranged.
Preferably, the up end of switch board main part is provided with the gland plate, switch board main part one side is provided with the heat dissipation port, and the heat dissipation port is provided with a plurality of, a plurality of the heat dissipation port all forms with switch board main part is integrated into one piece, the preceding terminal surface of switch board main part is provided with rotates the door plant, it is connected with the switch board main part rotation to rotate the door plant through the rotation axis body, the inside of rotating the door plant is provided with first operating button piece, and first operating button piece is provided with seven, seven one side of first operating button piece is provided with the hasp, the hasp is inside to be provided with the key, seven the upside of first operating button piece is provided with rotates the pilot pin, and rotates the pilot pin and be provided with four, four rotate the pilot pin all with switch board main part data name plate electric connection, the inside below of rotating the door plant is provided with the tablet warning.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through the arranged induction coil, the external controller and the connecting wires, the device is immediately accepted by the induction coil due to single-phase grounding caused by a plurality of factors such as single-phase breakdown, single-phase disconnection, small animal hazard and the like of insulators on tree barriers and distribution lines, and the induction range is transmitted to the external controller, so that workers know the specific area of a local area, the operation safety of the local area is improved, and the problem that the workers are damaged due to insufficient safety equipment measures when the existing power distribution cabinet is in single-phase grounding is avoided.
2. Through the residual current relay that sets up in the inside supporting of switch board main part, let equipment and the electric fire accident that the earth fault current that prevents that the residual current relay can maximize arouse also can be used to provide indirect contact protection to the personal electric shock danger, improves the security when the component breaks down.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is a schematic diagram of the internal structure of the main body of the power distribution cabinet of the utility model;
FIG. 3 is a schematic diagram of the end face structure of the residual current relay of the present utility model;
in the figure: 1. a power distribution cabinet main body; 2. a cover plate; 3. rotating the door panel; 4. a rotating shaft body; 5. a heat dissipation port; 6. locking; 7. a key; 8. a first operation button block; 9. rotating the indicator needle; 10. a nameplate alarms; 11. an induction coil; 12. externally connecting a controller; 13. connecting wires; 14. a display screen; 15. a second operation button block; 16. an inner cavity; 17. a residual current relay; 18. a guide rail rod; 19. a buckle block; 20. a track groove; 21. a protective plate; 22. setting a switch key; 23. an access panel; 24. a hexagonal bolt; 25. and (5) installing a socket.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-3, an embodiment of the present utility model is provided: the utility model provides a switch board single-phase ground fault processing apparatus, including switch board main part 1, the lower terminal surface of switch board main part 1 is provided with induction coil 11, and induction coil 11 installs below ground, the one end of induction coil 11 is provided with connecting wire 13, the one end of connecting wire 13 is provided with external controller 12, and the one end electric connection of external controller 12 and connecting wire 13, the inside of switch board main part 1 is provided with interior cavity 16, the below of the inside of shown interior cavity 16 is provided with residual current relay 17, the lower terminal surface of the inside of switch board main part 1 is provided with guide rail pole 18, and guide rail pole 18 is provided with two, residual current relay 17 passes through buckle piece 19 and is connected with guide rail pole 18 draw-in groove, and buckle piece 19 is provided with four, the one end of residual current relay 17 and the other end electric connection of connecting wire 13.
Further, one side of the residual current relay 17 is provided with a protection plate 21, the protection plate 21 is rotationally connected with the residual current relay 17, the inner side of the protection plate 21 is provided with a set switch key 22, the set switch keys 22 are provided with two, and the setting of the protection plate 21 can reduce the risk that misoperation exists on the set switch key 22 from the outside.
Further, the track grooves 20 are formed in the periphery of the outer wall of the residual current relay 17, eight track grooves 20 are formed in the periphery of the outer wall of the residual current relay 17, and the eight track grooves 20 are formed integrally with the residual current relay 17, so that the fracture probability of the joint is avoided.
Further, the rear end face of the residual current relay 17 is provided with an access panel 23, the access panel 23 is in threaded connection with the residual current relay 17 through a hexagonal bolt 24, and the hexagonal bolt 24 is provided with four, an installation socket 25 is arranged inside the access panel 23, and the installation socket 25 is provided with a plurality of, a plurality of installation sockets 25 are all fixedly connected with the residual current relay 17 in an embedded manner, and the hexagonal bolt 24 is provided to provide convenience in installation or disassembly.
Further, the upper side of the front end face of the external controller 12 is provided with a display screen 14, the lower side of the front end face of the external controller 12 is provided with second operation button blocks 15, and the second operation button blocks 15 are provided with four, and the display screen 14 can visualize data.
Further, the up end of switch board main part 1 is provided with closing cap 2, switch board main part 1 one side is provided with heat dissipation port 5, and heat dissipation port 5 is provided with a plurality of, a plurality of heat dissipation port 5 all forms with switch board main part 1 is integrated into one piece, the preceding terminal surface of switch board main part 1 is provided with rotates door plant 3, rotate door plant 3 and rotate through rotation axis body 4 and switch board main part 1 and be connected, the inside of rotating door plant 3 is provided with first operating button piece 8, and first operating button piece 8 is provided with seven, one side of seven first operating button pieces 8 is provided with hasp 6, the inside key 7 that is provided with of hasp 6, the upside of seven first operating button pieces 8 is provided with rotation pilot pin 9, and rotate pilot pin 9 and be provided with four, four rotation pilot pins 9 all with switch board main part 1 electric connection, the below of rotating door plant 3 inside is provided with the warning 10, the setting of rotation pilot pin 9 can be directly perceived to know each item interior component operating parameter.
Working principle: when the power distribution cabinet main body 1 is used, due to single-phase grounding caused by single-phase breakdown, single-phase broken wire, small animal harm and other factors of insulators on tree barriers and distribution lines, an induction coil 11 which can be arranged immediately receives electric particle signals, a range of an induction area is transmitted to an external controller 12 through a connecting wire 13 which is arranged, workers can intuitively see the range of a local area, the inside of the power distribution cabinet main body 1 can timely protect equipment due to a residual current relay 17 which is arranged, equipment and electric fire accidents caused by ground fault current are prevented, and the power distribution cabinet main body can also be used for providing indirect contact protection for personal electric shock hazards and providing more sufficient time for maintenance of the workers.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a switch board single phase earth fault processing apparatus, includes switch board main part (1), its characterized in that: the power distribution cabinet is characterized in that an induction coil (11) is arranged on the lower end face of the power distribution cabinet body (1), the induction coil (11) is arranged below the ground, one end of the induction coil (11) is provided with a connecting wire (13), one end of the connecting wire (13) is provided with an external controller (12), the external controller (12) is electrically connected with one end of the connecting wire (13), an inner cavity (16) is arranged in the power distribution cabinet body (1), a residual current relay (17) is arranged below the inner cavity (16), guide rail rods (18) are arranged on the lower end face of the inner portion of the power distribution cabinet body (1), the guide rail rods (18) are arranged two, the residual current relay (17) is connected with the guide rail rods (18) through clamping grooves, and the clamping blocks (19) are provided with four ends, and one end of the residual current relay (17) is electrically connected with the other end of the connecting wire (13).
2. The single-phase earth fault handling device of a power distribution cabinet according to claim 1, wherein: one side of residual current relay (17) is provided with protection shield (21), protection shield (21) are connected with residual current relay (17) rotation, the inboard of protection shield (21) is provided with and sets for on-off key (22), and sets for on-off key (22) to be provided with two.
3. The single-phase earth fault handling device of a power distribution cabinet according to claim 1, wherein: track grooves (20) are formed in the periphery of the outer wall of the residual current relay (17), the number of the track grooves (20) is eight, and the eight track grooves (20) and the residual current relay (17) are integrally formed.
4. The single-phase earth fault handling device of a power distribution cabinet according to claim 1, wherein: the rear end face of residual current relay (17) is provided with access panel (23), access panel (23) pass through hexagonal bolt (24) and residual current relay (17) threaded connection, and hexagonal bolt (24) are provided with four, access panel (23) inside is provided with installation socket (25), and installation socket (25) are provided with a plurality of, a plurality of installation socket (25) all with residual current relay (17) embedded fixed connection.
5. The single-phase earth fault handling device of a power distribution cabinet according to claim 4, wherein: the upper side of terminal surface is provided with display screen (14) before external controller (12), the downside of terminal surface is provided with second operation button piece (15) before external controller (12), and second operation button piece (15) are provided with four.
6. The single-phase earth fault handling device of a power distribution cabinet according to claim 5, wherein: the power distribution cabinet is characterized in that a cover plate (2) is arranged on the upper end face of the power distribution cabinet body (1), a plurality of radiating ports (5) are arranged on one side of the power distribution cabinet body (1), the radiating ports (5) are integrally formed with the power distribution cabinet body (1), a rotating door plate (3) is arranged on the front end face of the power distribution cabinet body (1), the rotating door plate (3) is rotationally connected with the power distribution cabinet body (1) through a rotating shaft body (4), a first operating button block (8) is arranged in the rotating door plate (3), seven operating button blocks (8) are arranged, a lock catch (6) is arranged on one side of the first operating button block (8), keys (7) are arranged in the lock catch (6), rotating indicating pins (9) are arranged on the upper side of the first operating button block (8), the rotating indicating pins (9) are four, the rotating indicating pins (9) are electrically connected with the power distribution cabinet body (1), and a warning sign (10) is arranged below the rotating door plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320703260.XU CN219874607U (en) | 2023-04-03 | 2023-04-03 | Single-phase grounding fault processing device of power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320703260.XU CN219874607U (en) | 2023-04-03 | 2023-04-03 | Single-phase grounding fault processing device of power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219874607U true CN219874607U (en) | 2023-10-20 |
Family
ID=88338206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320703260.XU Active CN219874607U (en) | 2023-04-03 | 2023-04-03 | Single-phase grounding fault processing device of power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219874607U (en) |
-
2023
- 2023-04-03 CN CN202320703260.XU patent/CN219874607U/en active Active
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