CN216902665U - Vacuum circuit breaker convenient for wiring and wiring - Google Patents
Vacuum circuit breaker convenient for wiring and wiring Download PDFInfo
- Publication number
- CN216902665U CN216902665U CN202220244018.6U CN202220244018U CN216902665U CN 216902665 U CN216902665 U CN 216902665U CN 202220244018 U CN202220244018 U CN 202220244018U CN 216902665 U CN216902665 U CN 216902665U
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- fixedly connected
- wiring
- rod
- circuit breaker
- vacuum circuit
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- 238000007789 sealing Methods 0.000 claims description 9
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000032683 aging Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a vacuum circuit breaker convenient for wiring and wiring, which comprises a control box, wherein the bottom of the front end of the control box is fixedly connected with three lower wiring covers which are uniformly distributed, two sides of a rotating shaft are rotatably connected with the upper wiring covers, the bottom end of a conductive rod penetrates through and is fixedly connected with a current transformer, the top end of an input rod is in threaded connection with two upper fastening nuts, and one end of an output rod is in threaded connection with two lower fastening nuts. According to the utility model, the high-voltage wire at the input end is wound between the two upper fastening nuts at the top end of the input rod, so that the input-end wire is clamped and fixed between the two upper fastening nuts, the high-voltage wire at the output end is wound between the two lower fastening nuts on the output rod, the two lower fastening nuts are rotated to clamp and fix the output wire, the high-voltage wire at the output end and the high-voltage wire at the input end are respectively accommodated and protected by the lower wiring cover and the upper wiring cover, and the service life of the circuit is prolonged.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a vacuum circuit breaker convenient for wiring and wiring.
Background
The vacuum circuit breaker is named because the arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are both high vacuum; the vacuum circuit breaker is an indoor power distribution device in a 3-10 kV and 50Hz three-phase alternating current system, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, and is particularly suitable for use places requiring no oil, less maintenance and frequent operation.
Chinese patent document 201721410451.8 provides a vacuum circuit breaker, belonging to the field of circuit breakers. Including the casing subassembly, the casing subassembly includes casing, static conducting rod, quiet end conducting block, moves conducting rod, driver, spring and insulator, and the casing is inside to be the cavity, is vacuum interrupter in the upper end of casing, and the lower extreme of static conducting rod is quiet end contact, moves the upper end of conducting rod and for moving the end contact, and the upper end tip and this end rigid coupling that the casing was worn out to the upper end of static conducting rod have quiet end conducting block. Because vacuum circuit breaker installs the use under outdoor environment usually, the circuit breaker of this patent does not possess the function of carrying out the protection to the joint of external line department when using, and the wiring department exposes outside, makes interface circuit ageing very easily and causes the short circuit.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a vacuum circuit breaker convenient for wiring.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a vacuum circuit breaker of convenient wiring, includes the control box, the three evenly distributed's of control box top fixedly connected with vacuum interrupter, three evenly distributed's lower junction box of control box front end bottom fixedly connected with, the equal fixedly connected with pivot of vacuum interrupter front end intermediate position, the cross sectional shape that the pivot both sides all rotate and are connected with upper junction box and upper junction box is semi-circular, the control box rear end intermediate position runs through and the drive plate of three evenly distributed of rotationally connected with, vacuum interrupter top intermediate position runs through and fixedly connected with input rod, vacuum interrupter bottom fixedly connected with sealing boot, run through and sliding connection has conducting rod and sliding connection between conducting rod bottom and the drive plate on the sealing boot intermediate position, the shape that the sealing boot bottom runs through and fixedly connected with output rod and output rod is the L type, the bottom end of the conducting rod penetrates through and is fixedly connected with a current transformer.
As a further description of the above technical solution:
two adjacent go up the wiring cover top intermediate position and run through and be provided with the through wires hole between.
As a further description of the above technical solution:
and the middle position of the rear end of the upper wiring cover is fixedly connected with an installation block.
As a further description of the above technical solution:
the outer wall of the top of the rear end of the control box is fixedly connected with three electric push rods which are uniformly distributed, and the output ends of the electric push rods are in contact with the drive plate.
As a further description of the above technical solution:
the top end of the input rod is in threaded connection with two upper fastening nuts, and the upper fastening nuts are located at the top of the vacuum arc extinguish chamber.
As a further description of the above technical solution:
the top end of the conducting rod and the bottom end of the input rod are both fixedly connected with contacts and the two contacts are in contact with each other.
As a further description of the above technical solution:
the equal threaded connection of output rod one end has two fastening nut down and fastening nut is located inside the lower wire cover respectively down.
As a further description of the above technical solution:
output rod one end all runs through the control box and is located inside the lower junction cover.
The utility model has the following beneficial effects:
according to the utility model, the high-voltage wire at the input end is wound between two upper fastening nuts at the top end of the input rod, then the upper fastening nut at the top is rotated, the input end wire is clamped and fixed between the two upper fastening nuts through the screw action between the upper fastening nut and the input rod, the input wire passes through the wire through hole, then the two upper wiring covers are rotated through the rotating shaft to enable the two mounting blocks to be contacted and combined, the two mounting blocks are fixed through bolts, the high-voltage wire at the output end is wound between the two lower fastening nuts on the output rod, then the two lower fastening nuts are rotated to clamp and fix the output wire, the output end high-voltage wire and the input end high-voltage wire are respectively accommodated and protected through the lower wiring cover and the upper wiring cover, the exposed aging of a connector is avoided, and the service life of the circuit is prolonged.
Drawings
Fig. 1 is a perspective view of a vacuum circuit breaker facilitating wiring and wiring according to the present invention;
fig. 2 is a rear perspective view of a vacuum circuit breaker for facilitating wiring and wiring according to the present invention;
fig. 3 is a side view of a vacuum interrupter of a vacuum circuit breaker for facilitating wiring and wiring according to the present invention;
fig. 4 is an explosion diagram of a vacuum arc-extinguishing chamber of a vacuum circuit breaker convenient for wiring and wiring according to the present invention;
fig. 5 is an internal structure view of a lower wiring cover of a vacuum circuit breaker facilitating wiring and routing according to the present invention.
Illustration of the drawings:
1. a control box; 2. a vacuum arc-extinguishing chamber; 3. an upper wiring cover; 4. a lower wiring cover; 5. an electric push rod; 6. a drive plate; 7. a rotating shaft; 8. threading holes; 9. mounting blocks; 10. a lower fastening nut; 11. a current transformer; 12. an output rod; 13. tightening the nut; 14. an input lever; 15. a sealing cover; 16. a conductive rod; 17. and a contact.
Detailed Description
Referring to fig. 1-5, one embodiment of the present invention is provided: a vacuum circuit breaker convenient for wiring and wiring comprises a control box 1, wherein the top of the control box 1 is fixedly connected with three vacuum arc-extinguishing chambers 2 which are uniformly distributed, the bottom of the front end of the control box 1 is fixedly connected with three lower wiring hoods 4 which are uniformly distributed, the middle position of the front end of each vacuum arc-extinguishing chamber 2 is fixedly connected with a rotating shaft 7, two sides of each rotating shaft 7 are rotatably connected with upper wiring hoods 3, the cross section of each upper wiring hood 3 is semicircular, high-voltage wires at the output end and the input end are respectively accommodated and protected through the lower wiring hoods 4 and the upper wiring hoods 3 to avoid the exposed aging of joints, the middle position of the rear end of the control box 1 is rotatably connected with three driving plates 6 which are uniformly distributed, the middle position of the top of each vacuum arc-extinguishing chamber 2 is fixedly connected with an input rod 14, the bottom of each vacuum arc-extinguishing chamber 2 is fixedly connected with a sealing hood 15, a conductive rod 16 is slidably connected to the middle position of each sealing hood 15, and the bottom end of each conductive rod 16 is slidably connected with each driving plate 6, the shape that driver plate 6 and fixedly connected with output pole 12 and output pole 12 are run through to sealed cowling 15 bottom is the L type, conducting rod 16 bottom is run through and fixedly connected with current transformer 11, can monitor the electric current on conducting rod 16 through current transformer 11, make electric putter 5 shrink when instantaneous current is too big, drive driver plate 6 anticlockwise rotation in control box 1, and then make conducting rod 16 downstream, part can cut off the power supply between two contacts 17, electric putter 5 working elongation after the current resumes, it makes conducting rod 16 upstream to drive 6 clockwise rotations of driver plate, make contact circuit intercommunication between two contacts 17.
A threading hole 8 is penetrated and arranged between the middle positions of the tops of two adjacent upper wiring covers 3, the middle position of the rear end of each upper wiring cover 3 is fixedly connected with a mounting block 9, the outer wall of the top of the rear end of the control box 1 is fixedly connected with three electric push rods 5 which are uniformly distributed, the output end of each electric push rod 5 is contacted with the drive plate 6, the top end of the input rod 14 is in threaded connection with two upper fastening nuts 13, the upper fastening nuts 13 are positioned at the tops of the vacuum arc-extinguishing chambers 2, a high-voltage wire at the input end is wound between the two upper fastening nuts 13 at the top end of the input rod 14, then the upper fastening nut 13 at the top is rotated, the wire at the input end is clamped and fixed between the two upper fastening nuts 13 through the threaded action between the upper fastening nut 13 and the input rod 14, the top end of the conductive rod 16 and the bottom end of the input rod 14 are both fixedly connected with a contact 17 and the contact between the two contacts 17, output pole 12 one end equal threaded connection has two fastening nut 10 down and fastening nut 10 is located inside lower wire casing 4 respectively, pass through wires hole 8 with the input electric wire, rotate two wiring casings 3 through pivot 7 afterwards and make the contact merge between two installation pieces 9, it is fixed between two installation pieces 9 through the bolt, twine the high tension electric wire of output between two fastening nut 10 on output pole 12 simultaneously, it is fixed to rotate two fastening nut 10 down again and carry out the centre gripping to the output electric wire, 12 one end of output pole all runs through control box 1 and is located inside lower wire casing 4.
The working principle is as follows: winding the high-voltage wire at the input end between two upper fastening nuts 13 at the top end of an input rod 14, then rotating the upper fastening nut 13 at the top, enabling the two upper fastening nuts 13 to clamp and fix the input end wire through the screw action between the upper fastening nut 13 and the input rod 14, enabling the input wire to pass through a threading hole 8, then rotating two upper wiring covers 3 through a rotating shaft 7 to enable two mounting blocks 9 to be contacted and combined, fixing the two mounting blocks 9 through bolts, simultaneously winding the high-voltage wire at the output end between two lower fastening nuts 10 on an output rod 12, then rotating the two lower fastening nuts 10 to clamp and fix the output wire, respectively accommodating and protecting the high-voltage wire at the output end and the high-voltage wire at the input end through the lower wiring cover 4 and the upper wiring cover 3, avoiding the exposed aging of a connector, monitoring the current on a conductive rod 16 through a current transformer 11, make electric putter 5 shrink when instantaneous current is too big, drive plate 6 anticlockwise rotation in control box 1, and then make conducting rod 16 downstream, separate between two contacts 17 and can cut off the power supply, electric putter 5 work extension after the electric current resumes drives drive plate 6 clockwise rotation and makes conducting rod 16 upstream for contact circuit intercommunication between two contacts 17.
Claims (8)
1. The utility model provides a vacuum circuit breaker of convenient wiring, includes control box (1), its characterized in that: the vacuum interrupter (2) is fixedly connected with three evenly distributed vacuum interrupter (2) at the top of the control box (1), the lower wiring cover (4) is fixedly connected with three evenly distributed at the bottom of the front end of the control box (1), the middle position of the front end of the vacuum interrupter (2) is fixedly connected with a rotating shaft (7), the cross section of the upper wiring cover (3) and the cross section of the upper wiring cover (3) are semicircular in shape in both sides of the rotating shaft (7), the middle position of the rear end of the control box (1) is penetrated and rotatably connected with three evenly distributed drive plates (6), the middle position of the top of the vacuum interrupter (2) is penetrated and fixedly connected with an input rod (14), the bottom of the vacuum interrupter (2) is fixedly connected with a sealing cover (15), the middle position of the sealing cover (15) is penetrated and slidably connected with a conductive rod (16) and a sliding connection between the bottom of the conductive rod (16) and the drive plates (6), the bottom end of the sealing cover (15) penetrates through the driving plate (6) and is fixedly connected with the output rod (12) and the output rod (12) in an L shape, and the bottom end of the conducting rod (16) penetrates through and is fixedly connected with the current transformer (11).
2. The vacuum circuit breaker according to claim 1, wherein: a threading hole (8) penetrates through and is arranged between the middle positions of the tops of the two adjacent upper wiring covers (3).
3. The vacuum circuit breaker according to claim 1, wherein: the middle position of the rear end of the upper wiring cover (3) is fixedly connected with a mounting block (9).
4. The vacuum circuit breaker according to claim 1, wherein: the outer wall of the top of the rear end of the control box (1) is fixedly connected with three electric push rods (5) which are uniformly distributed, and the output ends of the electric push rods (5) are in contact with the drive plate (6).
5. A vacuum circuit breaker facilitating wiring according to claim 1, wherein: the top end of the input rod (14) is in threaded connection with two upper fastening nuts (13), and the upper fastening nuts (13) are located at the top of the vacuum arc-extinguishing chamber (2).
6. The vacuum circuit breaker according to claim 1, wherein: the top end of the conducting rod (16) and the bottom end of the input rod (14) are both fixedly connected with a contact (17) and the two contacts (17) are in contact with each other.
7. The vacuum circuit breaker according to claim 1, wherein: and one end of the output rod (12) is connected with two lower fastening nuts (10) in a threaded manner, and the lower fastening nuts (10) are respectively positioned in the lower wiring cover (4).
8. The vacuum circuit breaker according to claim 1, wherein: one end of the output rod (12) penetrates through the control box (1) and is positioned inside the lower wiring cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220244018.6U CN216902665U (en) | 2022-01-29 | 2022-01-29 | Vacuum circuit breaker convenient for wiring and wiring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220244018.6U CN216902665U (en) | 2022-01-29 | 2022-01-29 | Vacuum circuit breaker convenient for wiring and wiring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216902665U true CN216902665U (en) | 2022-07-05 |
Family
ID=82182444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220244018.6U Expired - Fee Related CN216902665U (en) | 2022-01-29 | 2022-01-29 | Vacuum circuit breaker convenient for wiring and wiring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216902665U (en) |
-
2022
- 2022-01-29 CN CN202220244018.6U patent/CN216902665U/en not_active Expired - Fee Related
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Legal Events
| 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: 20220705 |
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| CF01 | Termination of patent right due to non-payment of annual fee |