CN213988722U - Solid-sealed polar pole vacuum circuit breaker with isolation grounding function - Google Patents
Solid-sealed polar pole vacuum circuit breaker with isolation grounding function Download PDFInfo
- Publication number
- CN213988722U CN213988722U CN202022580103.3U CN202022580103U CN213988722U CN 213988722 U CN213988722 U CN 213988722U CN 202022580103 U CN202022580103 U CN 202022580103U CN 213988722 U CN213988722 U CN 213988722U
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- Prior art keywords
- circuit breaker
- solid
- switch
- energy storage
- operating mechanism
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- 238000002955 isolation Methods 0.000 title claims abstract description 12
- 239000007787 solid Substances 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000004146 energy storage Methods 0.000 claims description 22
- 230000007246 mechanism Effects 0.000 claims description 20
- 238000005192 partition Methods 0.000 claims description 2
- 230000010354 integration Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 239000004593 Epoxy Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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 take isolation ground function's solid utmost point post vacuum circuit breaker that seals, including the device main part, the device main part is including connecting circuit breaker as an organic whole, isolator and earthing switch, one side of device main part is equipped with integration operating device, the opposite side of device main part is equipped with the fixed plate, the three-phase main circuit longitudinal arrangement of circuit breaker is at device main part middle part, the lower extreme of the three-phase main circuit of circuit breaker is provided with solid utmost point post that seals, isolator fixes in the circuit breaker top, still be equipped with between isolator and the circuit breaker and cut off the seat, the ground connection unit sets up in the circuit breaker below and is connected with the three-phase main circuit of circuit breaker through solid utmost point post that seals, the circuit breaker, isolator and earthing switch pass through integration operating device linkage, the utility model discloses safe and reliable, be convenient for the installation maintenance, can adapt to in all kinds of fixed cubical switchboard.
Description
Technical Field
The utility model relates to a take solid utmost point post vacuum circuit breaker that seals of isolation and grounding function.
Background
As is known, the standard of insulation matching of high-voltage power transmission and distribution equipment in China is higher than the international standard, particularly the voltage class (IEC standard 12kV 1min power frequency withstand voltage 28kV, GB standard 1min power frequency withstand voltage 42kV/48kV), however, the design and development of high-voltage switch equipment cannot be considered from the equipment per se, and the problem cannot be completely solved by simply improving the standard. The design and development of the high-voltage switch equipment can consider how to configure the high-voltage switch equipment more reasonably, safely and economically from the viewpoint of the operation of the whole power supply system so as to meet the requirement of diversified loads.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of above-mentioned prior art, provide a solid utmost point post vacuum circuit breaker that seals of ground connection function is kept apart in area.
The technical scheme of the utility model is that: a vacuum circuit breaker with an isolation grounding function comprises a device main body, wherein the device main body comprises a circuit breaker, an isolation switch and a grounding switch which are connected into a whole, an integrated operating mechanism is arranged on one side of the device main body, a fixing plate is arranged on the other side of the device main body, three-phase main circuits of the circuit breaker are longitudinally arranged in the middle of the device main body, an isolation post is arranged at the lower end of each three-phase main circuit of the circuit breaker, the isolation switch is fixed above the circuit breaker, a partition seat is further arranged between the isolation switch and the circuit breaker, and a grounding unit is arranged below the circuit breaker and connected with the three-phase main circuits of the circuit breaker through the isolation post; the rear end of the switch of the isolating switch is connected with a linkage rod, one end of the linkage rod is connected with a connecting spring, the lower end of the connecting spring is connected with a connecting spring seat, the connecting spring seat is fixed at the upper end of a rocker arm, the rocker arm is rotatably connected to the outer side of the fixed plate, the switch of the grounding unit is connected with a connecting rod, the lower end of the rocker arm is connected with one end of the connecting rod through a connecting sheet, the other end of the linkage rod is connected with the inner end of a connecting shaft of the integrated operating mechanism through a crank connecting rod, the outer end of the connecting shaft is fixedly provided with a transmission gear, the lower part of the transmission gear is rotatably connected with an energy storage shifting piece, an energy storage spring is arranged in the integrated operating mechanism and is connected with the energy storage shifting piece, a driven gear is fixed on the inner side of the energy storage shifting piece, and the transmission gear is meshed with the driven gear, the energy storage shifting piece is further provided with a bulge, one side of the transmission gear is further provided with an interlocking ratchet wheel, the interlocking ratchet wheel is also meshed with the transmission gear, and a linkage switch is fixed on the integrated operating mechanism below the energy storage shifting piece.
Specifically, the embedded pole is sealed in the insulating cylinder.
Furthermore, the other end of the connecting rod penetrates out of the integrated operating mechanism and is fixedly provided with a transmission arm, a swing rod is fixedly arranged on the transmission arm, a reset spring seat is further fixedly arranged on the integrated operating mechanism on one side of the swing rod, and a reset spring on the reset spring seat is connected with the swing rod.
The utility model has the advantages that:
1. the utility model discloses with isolator, vacuum circuit breaker, earthing switch combination as an organic whole, the earthing switch of function is closed in the area can break short-circuit current, can frequently operate, has complete wall between two station isolator switch parts of circuit breaker upper end and the circuit breaker part, has improved product fail safe nature effectively, and it is more convenient to make the maintenance maintain.
2. The defect that the heating fault source is excessively increased due to the fact that contacts are arranged in the switch cabinet can be overcome, the copper bars connected in the switch cabinet are omitted, the conductive circuit is greatly shortened, a straight line is almost formed, the heating source is reduced, the fault rate is effectively reduced, and meanwhile, the workload of arranging, adjusting and assembling in the later stage is greatly reduced.
3. The circuit breaker adopts the fixed structure of side dress, and main circuit three-phase longitudinal arrangement, and the appearance is exquisite, compact structure, but the adaptation is in all kinds of fixed cubical switchboard, and isolator, circuit breaker, earthing switch of circuit breaker have used the operating device of integration, and when the product dispatched from the factory, the mechanism had been transferred, and this mechanism takes ratchet interlock for the spring energy storage, and the operating force is little, simple and convenient.
4. The circuit breaker adopts the solid utmost point post structure that seals, utmost point post adopts in the insulating cylinder that the APG technology pouring formed by epoxy, and this kind of structure can prevent including external force impact effectively, the influence of external factors such as filthy environment to vacuum interrupter, seals utmost point post through automatic pressure gel technology (APG) admittedly, directly seals vacuum interrupter and electrified part in epoxy admittedly, makes the surface of vacuum interrupter and electrically conductive piece not receive the influence of external force and external environment, has improved the electric field distribution of utmost point post, effectively improves the non-maintaining ability of circuit breaker.
Drawings
FIG. 1 is a front schematic view of the present invention;
fig. 2 is a perspective view of the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Referring to fig. 1 and 2, a vacuum circuit breaker with an isolated grounding function for an embedded pole comprises a device main body, wherein the device main body comprises a circuit breaker 1, an isolating switch 2 and a grounding switch 3 which are connected into a whole, an integrated operating mechanism 4 is arranged on one side of the device main body, and a fixing plate 5 is arranged on the other side of the device main body;
the three-phase main circuit of the circuit breaker 1 is longitudinally arranged in the middle of the device main body, the lower end of the three-phase main circuit of the circuit breaker 1 is provided with a solid-sealed polar pole 6, the solid-sealed polar pole 6 is sealed in an insulating cylinder formed by epoxy resin by adopting an APG (active pressure gelation) process, and the structure can effectively prevent external factors such as external force impact, dirty environment and the like from influencing the vacuum arc extinguish chamber;
the isolating switch 2 is fixed above the circuit breaker 1, an isolating seat 22 is further arranged between the isolating switch 2 and the circuit breaker 1, and the isolating seat 22 is an insulator formed by pouring epoxy resin by adopting an APG (advanced plasma generator) process;
the grounding switch 3 is arranged below the circuit breaker 1 and is connected with a three-phase main circuit of the circuit breaker 1 through a solid-sealed pole 6;
the rear end of the switch of the isolating switch 2 is connected with a linkage rod 7, one end of the linkage rod 7 is connected with a connecting spring 8, the lower end of the connecting spring 8 is connected with a connecting spring 8 seat, the connecting spring 8 seat is fixed at the upper end of a rocker arm 9, the rocker arm 9 is rotatably connected with the outer side of the fixed plate 5, the switch of the grounding switch 3 is connected with a connecting rod 10, the lower end of the rocker arm 9 is connected with one end of the connecting rod 10 through a connecting sheet 11, the other end of the linkage rod 7 is connected with the inner end of a connecting shaft 12 on the integrated operating mechanism 4 through a crank connecting rod 21, the outer end of the connecting shaft 12 is fixedly provided with a transmission gear 13, the lower part of the transmission gear 13 is rotatably connected with an energy storage shifting sheet 14, an energy storage spring 15 is arranged in the integrated operating mechanism 4, and the energy storage spring 15 is connected with the energy storage shifting sheet 14, a driven gear is fixed on the inner side of the energy storage plectrum 14, the transmission gear 13 is meshed with the driven gear, a bulge is further arranged on the energy storage plectrum 14, an interlocking ratchet wheel 16 is further arranged on one side of the transmission gear 13, the interlocking ratchet wheel 16 is also meshed with the transmission gear 13, and a linkage switch 17 is fixed on the integrated operating mechanism 4 below the energy storage plectrum 14; the switch of the linkage switch 17 pushes the bulge on the energy storage shifting piece 14 to enable the energy storage shifting piece 14 to rotate and drive the connecting shaft 12 to rotate, and the connecting shaft 12 drives the crank connecting rod 21 to drive the linkage rod 7 to disconnect the isolating switch 2; the other end of the connecting rod 10 penetrates through the integrated operating mechanism 4 and is fixed with a transmission arm, a swing rod 18 is fixed on the transmission arm, and the end part of the swing rod 18 is connected with a switch of a linked switch 17, so that the linked operation of the circuit breaker 1 and the isolating switch 2 is realized;
a return spring seat 19 is further fixed on the integrated operating mechanism 4 on one side of the swing rod 18, a return spring 20 on the return spring seat 19 is connected with the swing rod 18, and when the isolating switch 2 is reset, the return spring 20 can assist the swing rod 18 in resetting so as to drive the connecting rod 10 and the grounding switch 3 to reset.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides a solid utmost point post vacuum circuit breaker that seals of ground function is kept apart in area, includes the device main part, its characterized in that: the device comprises a device body and a grounding unit, wherein the device body comprises a circuit breaker, an isolating switch and an earthing switch which are connected into a whole, an integrated operating mechanism is arranged on one side of the device body, a fixing plate is arranged on the other side of the device body, three-phase main circuits of the circuit breaker are longitudinally arranged in the middle of the device body, a solid-sealed polar pole is arranged at the lower end of each three-phase main circuit of the circuit breaker, the isolating switch is fixed above the circuit breaker, a partition seat is further arranged between the isolating switch and the circuit breaker, and the earthing unit is arranged below the circuit breaker and connected with the three-phase main circuits of the circuit breaker through the solid-sealed polar pole; the rear end of the switch of the isolating switch is connected with a linkage rod, one end of the linkage rod is connected with a connecting spring, the lower end of the connecting spring is connected with a connecting spring seat, the connecting spring seat is fixed at the upper end of a rocker arm, the rocker arm is rotatably connected to the outer side of the fixed plate, the switch of the grounding unit is connected with a connecting rod, the lower end of the rocker arm is connected with one end of the connecting rod through a connecting sheet, the other end of the linkage rod is connected with the inner end of a connecting shaft of the integrated operating mechanism through a crank connecting rod, the outer end of the connecting shaft is fixedly provided with a transmission gear, the lower part of the transmission gear is rotatably connected with an energy storage shifting piece, an energy storage spring is arranged in the integrated operating mechanism and is connected with the energy storage shifting piece, a driven gear is fixed on the inner side of the energy storage shifting piece, and the transmission gear is meshed with the driven gear, the energy storage shifting piece is further provided with a bulge, one side of the transmission gear is further provided with an interlocking ratchet wheel, the interlocking ratchet wheel is also meshed with the transmission gear, and a linkage switch is fixed on the integrated operating mechanism below the energy storage shifting piece.
2. The solid-sealed pole vacuum circuit breaker with the isolation grounding function according to claim 1, characterized in that: the solid-sealed polar pole is sealed in the insulating cylinder.
3. The solid-sealed pole vacuum circuit breaker with the isolation grounding function according to claim 2, characterized in that: the other end of the connecting rod penetrates out of the integrated operating mechanism and is fixedly provided with a transmission arm, a swing rod is fixedly arranged on the transmission arm, a reset spring seat is further fixedly arranged on the integrated operating mechanism on one side of the swing rod, and a reset spring on the reset spring seat is connected with the swing rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022580103.3U CN213988722U (en) | 2020-11-10 | 2020-11-10 | Solid-sealed polar pole vacuum circuit breaker with isolation grounding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022580103.3U CN213988722U (en) | 2020-11-10 | 2020-11-10 | Solid-sealed polar pole vacuum circuit breaker with isolation grounding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213988722U true CN213988722U (en) | 2021-08-17 |
Family
ID=77261990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022580103.3U Active CN213988722U (en) | 2020-11-10 | 2020-11-10 | Solid-sealed polar pole vacuum circuit breaker with isolation grounding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213988722U (en) |
-
2020
- 2020-11-10 CN CN202022580103.3U patent/CN213988722U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A fixed sealed pole vacuum circuit breaker with isolation grounding function Effective date of registration: 20231205 Granted publication date: 20210817 Pledgee: Industrial Commercial Bank of China Ltd. Lishui Liandu branch Pledgor: Zhejiang Tianrun Electric Co.,Ltd. Registration number: Y2023980069390 |