CN218957613U - Vacuum circuit breaker brake separating coil structure - Google Patents
Vacuum circuit breaker brake separating coil structure Download PDFInfo
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- CN218957613U CN218957613U CN202320114567.6U CN202320114567U CN218957613U CN 218957613 U CN218957613 U CN 218957613U CN 202320114567 U CN202320114567 U CN 202320114567U CN 218957613 U CN218957613 U CN 218957613U
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Abstract
The utility model relates to a vacuum circuit breaker opening coil structure, which comprises a first arc-shaped insulating support frame arranged at one end of a coil framework and a cover plate detachably arranged on a support plate of a vacuum contactor; the inner wall of the first arc-shaped insulating support frame is provided with a first arc-shaped baffle, and a first end plate on one side of the coil framework, which is far away from the cover plate, is erected in the first arc-shaped insulating support frame; the supporting plate between the coil framework and the cover plate is provided with a penetrating installation hole, the outer circle side of the inner side plate of the cover plate is provided with a plurality of insulating inserted bars, and the insulating inserted bars are inserted on the second end plate of the coil framework. The outer side of the cover plate is fixedly connected with the supporting plate, the inner side of the cover plate is fixedly connected with the second end plate of the coil framework, and the first end plate of one side of the coil framework, which is far away from the cover plate, is erected in the first arc-shaped insulating support frame and clings to the first arc-shaped baffle plate, so that the beneficial effects of rapid detection and coil replacement are realized by disassembling the first arc-shaped insulating support frame and the cover plate.
Description
Technical Field
The utility model relates to the technical field of vacuum contactors, in particular to a breaking coil structure of a vacuum circuit breaker.
Background
The vacuum contactor is used for alternating current 50Hz, and the main circuit rated working voltage is 1140V, 660V and 380V of the power distribution system. The contactor is used for frequently operating large load current, is widely selected and used in industrial enterprises, and is particularly suitable for places with severe environments and flammable and explosive dangers.
The coil of the vacuum contactor can be damaged when being used improperly, such as collision or vibration, overhigh environmental temperature, overhigh use frequency, overhigh voltage, greasy dirt, tar, dust and the like in front of the suction surface, poor contact and current rise, and the like, so that the coil can be replaced in time to continue to be used. In the prior art, when a coil is replaced, such as a brake separating coil, a fastening screw is required to be loosened, and then the coil is installed from the side face of a switch mechanism, if the brake separating coil is stored for a long time and has slight bulge or deformation, the coil cannot be installed because of small clearance fit, the coil is inconvenient to operate because of narrow installation space from the side face, and the coil is easy to damage because the side face of the brake separating coil is pressed and hit by force, so that the coil installation mode is required to be improved.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides the switching-off coil structure of the vacuum circuit breaker, which improves the convenience and the rapidity of overhauling and replacing coils.
The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme: a vacuum circuit breaker brake-separating coil structure comprises a first arc-shaped insulating support frame arranged at one end of a coil framework and a cover plate detachably arranged on a support plate of a vacuum contactor;
the inner wall of the first arc-shaped insulating support frame is provided with a first arc-shaped baffle, a first end plate of one side, far away from the cover plate, of the coil framework is erected in the first arc-shaped insulating support frame and clings to the first arc-shaped baffle, and two ends of the first arc-shaped insulating support frame extend upwards and are connected to the support plate;
the supporting plate between the coil framework and the cover plate is provided with a penetrating installation hole, the outer circle side of the inner side plate of the cover plate is provided with a plurality of insulating inserted bars, and the insulating inserted bars are inserted on the second end plate of the coil framework.
The utility model is an improvement based on a vacuum contactor, a supporting plate of the vacuum contactor is an insulating electricity-isolating frame, the supporting plate is a supporting plate of a brake separating mechanism and is used for installing a coil, a transmission crank arm and other parts;
the insulating inserted link is inserted and is established on the second end plate of coil skeleton, is convenient for dismantle the coil fast, improves the change efficiency of coil.
The first arc-shaped insulating support frame is used for supporting and clamping one side, far away from the cover plate, of the coil framework, the two ends of the first arc-shaped insulating support frame are fastened at the upper end of the support plate through bolts, the distance between the two ends of the first arc-shaped insulating support frame can be adjusted according to the coil framework, and coil damage caused by collision or vibration is avoided.
Preferably, the lowest part of the first arc-shaped insulating support frame is provided with a round hole, a stop lever extending upwards is arranged in the round hole, a compression spring is connected between the stop lever and the round hole, and the stop lever is positioned between the first arc-shaped baffle plate and the first end plate of the coil framework.
One end of the compression spring is fixedly connected to the round hole, the other end of the compression spring is fixedly connected with the stop lever, downward tensioning of the stop lever is achieved, the stop lever positioned in the first arc-shaped insulating support frame moves downward, and the first end plate of the coil framework is convenient to separate from the first arc-shaped insulating support frame; the stop lever is loosened, the spring is compressed, the stop lever is reset and can be used for blocking the first end plate, so that the first end plate is positioned between the stop lever and the first arc-shaped baffle, and the coil framework and the coil shaking are reduced.
Preferably, the coil bobbin further comprises a second arc-shaped insulating support frame, wherein the second arc-shaped insulating support frame is arranged below the second end plate of the coil bobbin, two ends of the second arc-shaped insulating support frame are connected to the upper end of the support plate through first fastening bolts, and the first arc-shaped insulating support frame and the second arc-shaped insulating support frame are arranged in parallel in the support plate.
The second arc-shaped insulating support frame is used for being matched with the first arc-shaped insulating support frame to further clamp the other end of the coil framework, so that the phenomenon that the coil framework and the coil shake is reduced, and the service life of the coil is prolonged.
Preferably, the cover plate comprises an inner side plate and an outer side plate, wherein the inner side plate is arranged in the penetrating installation hole and is matched with the penetrating installation hole, and the outer side plate is connected to one side of the support plate through a second fastening bolt.
Preferably, the upper end of the supporting plate is provided with a plurality of first threaded holes and second threaded holes, and the first threaded holes are distributed on the inner side of the joint of the first arc-shaped insulating supporting frame and the supporting plate;
the second threaded holes are distributed on the inner side of the joint of the second arc-shaped insulating support frame and the support plate.
The first threaded hole and the second threaded hole are used for adjusting the distance between the two ends of the first arc-shaped insulating support frame according to the size of the coil framework, and coil damage caused by collision or vibration is avoided.
Preferably, the second end plate is provided with a socket matched with the insulating inserted rod.
Compared with the prior art, the utility model has the beneficial effects that: the outer side of the cover plate is fixedly connected with the supporting plate, the inner side of the cover plate is fixedly connected with the second end plate of the coil framework, a first end plate of one side of the coil framework, which is far away from the cover plate, is erected in the first arc-shaped insulating support frame and clings to the first arc-shaped baffle plate, and the beneficial effects of rapid detection and coil replacement are realized by disassembling the first arc-shaped insulating support frame and the cover plate;
the first arc-shaped insulating support frame is used for supporting and clamping one side, far away from the cover plate, of the coil framework, the two ends of the first arc-shaped insulating support frame are fastened at the upper end of the support plate through bolts, the distance between the two ends of the first arc-shaped insulating support frame can be adjusted according to the coil framework, and coil damage caused by collision or vibration is avoided.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a left side view of the present utility model;
FIG. 3 is a schematic view of the cross-section A-A of FIG. 2 in accordance with the present utility model;
FIG. 4 is an enlarged schematic view of the structure A in FIG. 3 according to the present utility model;
FIG. 5 is an enlarged schematic view of the structure of FIG. 3 at B in accordance with the present utility model.
The reference numbers shown in the drawings: 1. a support plate; 101. penetrating the mounting hole; 102. a first threaded hole; 103. a second threaded hole; 2. a coil; 201. a coil bobbin; 2011. a first end plate; 2012. a second end plate; 20121. a socket; 3. an outer panel; 4. an inner side plate; 5. a first arc-shaped insulating support frame; 501. a round hole; 6. a first arcuate baffle; 7. a second arc-shaped insulating support frame; 8. an insulating insert rod; 9. a first fastening bolt; 10. a second fastening bolt; 11. a stop lever; 12. compressing the spring.
Detailed Description
The utility model is further described below with reference to specific embodiments, as shown in fig. 1 to 5, a vacuum circuit breaker opening coil structure includes a first arc-shaped insulating support frame 5, a second arc-shaped insulating support frame 7, and a cover plate detachably disposed on a support plate 1 of a vacuum contactor, which are disposed at one end of a coil frame 201;
the inner wall of the first arc-shaped insulating support frame 5 is provided with a first arc-shaped baffle 6, a first end plate 2011 on one side, far away from the cover plate, of the coil framework 201 is erected in the first arc-shaped insulating support frame 5 and clings to the first arc-shaped baffle 6, and two ends of the first arc-shaped insulating support frame 5 extend upwards and are connected to the support plate 1.
The cover plate comprises an inner side plate 4 and an outer side plate 3, wherein the inner side plate 4 is arranged in the penetrating installation hole 101 and is matched with the penetrating installation hole 101, and the outer side plate 3 is connected to one side of the support plate 1 through a second fastening bolt 10.
The support plate 1 between the coil skeleton 201 and the outer side plate 3 of the cover plate is provided with a penetrating installation hole 101, the outer circle side of the inner side plate 4 of the cover plate is provided with six insulating inserted bars 8, the second end plate 2012 is provided with a socket 20121 matched with the insulating inserted bars 8, and the insulating inserted bars 8 are inserted into the socket 20121 of the second end plate 2012 of the coil skeleton 201. The insulating inserted link 8 is inserted on the second end plate 2012 of the coil bobbin 201, so that the coil 2 can be conveniently and rapidly disassembled, and the replacement efficiency of the coil 2 is improved.
The utility model relates to an improvement on the basis of a vacuum contactor, wherein a supporting plate 1 of the vacuum contactor is an insulating electricity-isolating frame, the supporting plate 1 is a supporting plate 1 of a brake separating mechanism and is used for installing a coil 2, a transmission crank arm and other parts, the coil 2 is a brake separating coil 2, the coil 2 is wound on a coil framework 201, one side of the supporting plate 1 is provided with a through mounting hole 101 for facilitating the replacement of the brake separating coil 2, the outer side of a cover plate is fixedly connected with the supporting plate 1, the inner side of the cover plate is fixedly connected with a second end plate 2012 of the coil framework 201, a first end plate 2011 at one side of the coil framework 201 far away from the cover plate is erected in a first arc-shaped insulating supporting frame 5 and is clung to a first arc-shaped baffle 6, and the beneficial effects of quick detection and the replacement of the coil 2 are realized by disassembling the first arc-shaped insulating supporting frame 5 and the cover plate.
Most of the materials of the existing supporting plate 1 are foaming plastic materials, heat after the coil 2 fails and burns out can enable a base of the foaming plastic materials to melt, the base drops onto a mechanical brake-separating spring at the bottom, the brake-separating spring is blocked by solidified plastic after solidification of the plastic materials, manual mechanical brake separation of a switch cannot be achieved, and a bus is required to be stopped for processing, so that power supply reliability is affected, and safe and stable operation of a generator set can be seriously threatened in a power plant. According to the utility model, the material of the supporting plate 1 is replaced by the SMC molded hard insulating base, so that the problem that the manual brake separating mechanism is stuck by melted plastic is effectively solved.
The first arc-shaped insulating support frame 5 is used for supporting and clamping one side, far away from the cover plate, of the coil framework 201, two ends of the first arc-shaped insulating support frame 5 are fastened at the upper end of the support plate 1 through the first fastening bolts 9, and the distance between the two ends of the first arc-shaped insulating support frame 5 can be adjusted according to the coil framework 201, so that damage to the coil 2 caused by collision or vibration is avoided.
The lowest part of the first arc-shaped insulating support frame 5 is provided with a round hole 501, and the position of the round hole 501 is adjusted according to the distance between the first end plate 2011 and the first arc-shaped baffle 6. The round hole 501 is internally provided with a stop lever 11 extending upwards, a compression spring 12 is connected between the stop lever 11 and the round hole 501, and the stop lever 11 is positioned between the first arc-shaped baffle 6 and the first end plate 2011 of the coil framework 201. One end of the compression spring 12 is fixedly connected to the round hole 501, the other end of the compression spring 12 is fixedly connected with the stop lever 11, downward tensioning of the stop lever 11 is achieved, the stop lever 11 positioned in the first arc-shaped insulating support frame 5 moves downward, and the first end plate 2011 of the coil framework 201 is convenient to separate from the first arc-shaped insulating support frame 5; releasing the stop lever 11, compressing the spring 12, the stop lever 11 resets and can be used for blocking the first end plate 2011, so that the first end plate 2011 is located between the stop lever 11 and the first arc-shaped baffle 6, and shake of the coil skeleton 201 and the coil 2 is reduced.
The insulating support frame 7 of second arc sets up in coil skeleton 201's second end plate 2012 below, and the both ends of insulating support frame 7 of second arc are connected in backup pad 1 upper end through first fastening bolt 9, and insulating support frame 5 of first arc and insulating support frame 7 parallel arrangement of second arc are in backup pad 1, and insulating support frame 7 of second arc is used for the other end that the further presss from both sides tight coil skeleton 201 of cooperation insulating support frame 5 of first arc, reduces coil skeleton 201, coil 2 appearance and rocks the phenomenon, extension coil 2 life.
Four first threaded holes 102 and four second threaded holes 103 are formed in the upper end of the supporting plate 1, and the first threaded holes 102 are distributed on the inner side of the joint of the first arc-shaped insulating supporting frame 5 and the supporting plate 1; the second screw holes 103 are distributed on the inner side of the joint of the second arc-shaped insulating support frame 7 and the support plate 1, and the first screw holes 102 and the second screw holes 103 are used for adjusting the distance between the two ends of the first arc-shaped insulating support frame 5 according to the size of the coil framework 201, so that the coil 2 is prevented from being damaged due to collision or vibration.
It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes or modifications may be made by those skilled in the art after reading the teachings of the utility model, and such equivalents are intended to fall within the scope of the utility model as defined herein.
Claims (6)
1. A vacuum circuit breaker brake separating coil structure is characterized in that: comprises a first arc-shaped insulating support frame (5) arranged at one end of a coil framework (201) and a cover plate detachably arranged on a support plate (1) of a vacuum contactor;
the inner wall of the first arc-shaped insulating support frame (5) is provided with a first arc-shaped baffle (6), a first end plate (2011) on one side, far away from the cover plate, of the coil framework (201) is erected in the first arc-shaped insulating support frame (5) and clings to the first arc-shaped baffle (6), and two ends of the first arc-shaped insulating support frame (5) extend upwards and are connected to the support plate (1);
the support plate (1) located between the coil framework (201) and the cover plate is provided with a penetrating installation hole (101), the outer circle side of the inner side plate (4) of the cover plate is provided with a plurality of insulating inserted bars (8), and the insulating inserted bars (8) are inserted on a second end plate (2012) of the coil framework (201).
2. The vacuum circuit breaker switching-off coil structure according to claim 1, wherein: round holes (501) are formed in the lowest positions of the first arc-shaped insulating support frames (5), stop rods (11) extending upwards are arranged in the round holes (501), compression springs (12) are connected between the stop rods (11) and the round holes (501), and the stop rods (11) are located between the first arc-shaped baffle plates (6) and first end plates (2011) of the coil frameworks (201).
3. The vacuum circuit breaker switching-off coil structure according to claim 1, wherein: still include second arc insulating support frame (7), second arc insulating support frame (7) set up the second end plate (2012) below coil skeleton (201), the both ends of second arc insulating support frame (7) are connected in backup pad (1) upper end through first fastening bolt (9), first arc insulating support frame (5) and second arc insulating support frame (7) parallel arrangement are in backup pad (1).
4. The vacuum circuit breaker switching-off coil structure according to claim 1, wherein: the cover plate comprises an inner side plate (4) and an outer side plate (3), wherein the inner side plate (4) is arranged in a penetrating installation hole (101) and is matched with the penetrating installation hole (101), and the outer side plate (3) is connected to one side of the supporting plate (1) through a second fastening bolt (10).
5. A vacuum circuit breaker switching-off coil structure according to claim 3, wherein: the upper end of the supporting plate (1) is provided with a plurality of first threaded holes (102) and second threaded holes (103), and the first threaded holes (102) are distributed on the inner side of the joint of the first arc-shaped insulating supporting frame (5) and the supporting plate (1);
the second threaded holes (103) are distributed on the inner side of the joint of the second arc-shaped insulating support frame (7) and the support plate (1).
6. A vacuum circuit breaker switching-off coil structure according to claim 3, wherein: and a socket (20121) matched with the insulating inserted link (8) is formed in the second end plate (2012).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320114567.6U CN218957613U (en) | 2023-01-17 | 2023-01-17 | Vacuum circuit breaker brake separating coil structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320114567.6U CN218957613U (en) | 2023-01-17 | 2023-01-17 | Vacuum circuit breaker brake separating coil structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218957613U true CN218957613U (en) | 2023-05-02 |
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ID=86137184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320114567.6U Active CN218957613U (en) | 2023-01-17 | 2023-01-17 | Vacuum circuit breaker brake separating coil structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218957613U (en) |
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2023
- 2023-01-17 CN CN202320114567.6U patent/CN218957613U/en active Active
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