CN220774155U - Protective upper isolation breaker switch - Google Patents
Protective upper isolation breaker switch Download PDFInfo
- Publication number
- CN220774155U CN220774155U CN202322523962.2U CN202322523962U CN220774155U CN 220774155 U CN220774155 U CN 220774155U CN 202322523962 U CN202322523962 U CN 202322523962U CN 220774155 U CN220774155 U CN 220774155U
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- CN
- China
- Prior art keywords
- isolating
- isolation
- support
- joint
- insulating
- 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.)
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Links
- 238000002955 isolation Methods 0.000 title claims abstract description 38
- 230000001681 protective effect Effects 0.000 title claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000003068 static effect Effects 0.000 claims description 18
- 239000004576 sand Substances 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims 4
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 230000004308 accommodation Effects 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000016507 interphase Effects 0.000 description 2
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model relates to a protective upper isolation breaker switch which comprises a machine frame, a main shaft, an insulating frame, three vacuum arc-extinguishing chambers, three groups of transmission cam assemblies and an isolation switch assembly arranged on the machine frame, wherein the isolation switch assembly comprises an isolation rotating shaft, three groups of isolation crank arm groups, three conducting plates, three isolation knives, three isolation fixed contacts and three grounding fixed contacts, three copper bar flexible connections are respectively arranged between a support and the three isolation fixed contacts, top extension wiring bolts connected with the three copper bar flexible connections are respectively arranged on the support, and insulating baffles covering the top extension wiring bolts are arranged on the support. The utility model has the advantages of stable and reliable performance, high assembly efficiency, good insulativity and protection type.
Description
Technical Field
The utility model relates to a breaker switch, in particular to a protective upper isolation breaker switch.
Background
The ring main unit is a group of electric equipment for power transmission and distribution, is arranged in a metal or nonmetal insulation cabinet body or is made into an electric equipment for assembling the interval ring main power supply unit, and generally adopts sulfur hexafluoride gas, environment-friendly gas or epoxy resin as an insulation medium. Aiming at the rapidly-developed power industry, the adoption of environment-friendly gas as an insulating medium is an important trend of future development of the switch industry. The existing breaker switch used in the environment-friendly gas cabinet has the advantage of maintenance-free property. The switch adopts a normal pressure sealed box structure, has no threat of gas leakage, can effectively isolate pollution of external pollutants, dust and acid mist, ensures the cleanness and the service life of the running environments of the busbar, the circuit breaker, the isolation knife and the grounding knife, and realizes the purpose of maintenance-free, thereby greatly reducing the investment of operation and maintenance management of the distribution network. The top extension connecting end of the existing breaker switch is exposed, the insulation is poor, and a large safety risk exists. And when the breaker switch is switched on and off, the impact of the isolating blade on the isolating static contact is too large, so that the breaker switch has the defect of unreliable performance.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the upper isolation breaker switch which has stable and reliable performance, high assembly efficiency, good insulativity and protection.
In order to achieve the purpose, the utility model adopts a protective upper isolating breaker switch which comprises a machine framework, a main shaft rotationally arranged on the machine framework, an insulating frame arranged on the machine framework, three vacuum arc-extinguishing chambers respectively arranged in the insulating frame, three groups of transmission cam assemblies which are arranged on the main shaft in a linkage way and used for driving the three vacuum arc-extinguishing chambers to execute opening and closing actions, and an isolating switch assembly arranged on the machine framework, wherein the isolating switch assembly comprises an isolating rotating shaft rotationally arranged on the machine framework, three groups of isolating crank arm groups which are arranged on the isolating rotating shaft in a linkage way, three conducting plates respectively arranged on one end of the three vacuum arc-extinguishing chambers, three isolating knives respectively arranged on the three conducting plates and in linkage with the three groups of isolating crank arm groups, three isolating fixed contacts and three grounding fixed contacts which are respectively arranged on a bracket of the machine framework, three copper bar soft connection parts are respectively arranged between the bracket and the three isolating fixed contacts, three copper bar soft connection top connection wiring connection parts are respectively arranged on the bracket, and an expanding bolt cover cap is arranged on the expanding bolt.
The beneficial effects of the structure are as follows: the insulating baffle of shroud on top extension wiring bolt is provided with on the support of mechanism frame, and insulating baffle can avoid top extension wiring bolt to expose outside the mechanism frame, and insulating properties is better, and the security is higher, and isolator subassembly adopts modularized structural design, is favorable to realizing the modularization assembly of circuit breaker switch, and assembly efficiency is higher. Therefore, the breaker switch has the advantages of stable and reliable performance, high assembly efficiency, good insulativity and better protection.
Particularly, the support on correspond top extension wiring bolt department and be provided with the accommodation groove, top extension wiring bolt set up in the accommodation groove, the insulating baffle shroud on the accommodation groove, the accommodation groove correspond insulating baffle both sides and be provided with the joint sand grip respectively, insulating baffle be provided with joint sand grip matched with joint groove, joint sand grip block in the joint inslot, and constitute insulating baffle and support's joint cooperation. The insulating baffle is clamped in the accommodating groove of the bracket, so that the insulating baffle and the bracket are convenient to assemble, the top extension wiring bolt can be prevented from being exposed, and the insulating performance is better.
Particularly, one end of the insulating baffle is provided with a clamping strip, the accommodating groove is internally provided with a clamping groove, and the clamping strip is clamped in the clamping groove and is matched with the bracket in a clamping way. The insulating baffle is connected with the support in a clamping fit mode, so that the insulating baffle and the support are convenient to assemble, and the assembly efficiency is higher.
Particularly, a limiting plate is arranged on one side of the isolation static contact, and a buffer pad matched with the isolation blade is arranged on the limiting plate. The buffer cushion can play a limiting role on the isolation blade, and reduces the impact force of the isolation blade on the isolation static contact, so that the contact reliability of the isolation static contact and the isolation blade is improved.
In particular, the support is respectively provided with an insulating baffle plate which is separated among a plurality of isolated static contacts. The insulating baffle can increase the inter-phase insulation distance between a plurality of isolation fixed contacts, and is beneficial to improving the safety performance of the isolation breaker switch.
Drawings
Fig. 1 is a perspective view of an embodiment of the present utility model.
Fig. 2 is a cross-sectional view of an embodiment of the present utility model.
Fig. 3 is an exploded view of an embodiment of the present utility model.
Detailed Description
As shown in fig. 1 to 3, the embodiment of the utility model is a protective upper isolating breaker switch, which comprises a machine frame 10, a main shaft 11 rotatably arranged on the machine frame 10, an insulating frame 12 arranged on the machine frame 10, three vacuum arc-extinguishing chambers 13 respectively arranged in the insulating frame 12, three groups of transmission cam assemblies 14 which are arranged on the main shaft 11 in a linkage manner and are used for driving the three vacuum arc-extinguishing chambers 13 to perform opening and closing actions, and an isolating switch assembly 20 arranged on the machine frame 10, wherein the isolating switch assembly 20 comprises an isolating rotating shaft 21 rotatably arranged on the machine frame 10, three groups of isolating crank arm groups 22 which are arranged on the isolating rotating shaft 21 in a linkage manner, three conductive plates 23 respectively arranged on one end of the three vacuum arc-extinguishing chambers 13, three isolating blades 24 respectively rotatably arranged on the three conductive plates 23 and in linkage engagement with the three groups of isolating crank arm groups 22, three isolating static contacts 25 arranged on a bracket 101 of the machine frame 10 and in cooperation with the three isolating blades 24, three grounding static contacts 26, three copper wire bolts 29 respectively arranged on the three brackets 101 and three copper wire brackets 101 respectively connected with three copper wire brackets and the extending bolts 28 respectively arranged on the extending top of the bracket 101. The support 101 on correspond top extension wiring bolt 28 department and be provided with accommodation groove 102, top extension wiring bolt 28 set up in accommodation groove 102, insulating baffle 29 shroud on accommodation groove 102, accommodation groove 102 correspond insulating baffle 29 both sides and be provided with joint sand grip 103 respectively, insulating baffle 29 be provided with joint sand grip 103 matched with joint groove 291, joint sand grip 103 block in joint groove 291, and constitute insulating baffle 29 and support 101's joint cooperation. The insulating baffle is clamped in the accommodating groove of the bracket, so that the insulating baffle and the bracket are convenient to assemble, the top extension wiring bolt can be prevented from being exposed, and the insulating performance is better. One end of the insulating baffle 29 is provided with a clamping strip 292, the accommodating groove 102 is internally provided with a clamping groove 104, the clamping strip 292 is clamped in the clamping groove 104, and the insulating baffle 29 is matched with the bracket 101 in a clamping way. The insulating baffle is connected with the support in a clamping fit mode, so that the insulating baffle and the support are convenient to assemble, and the assembly efficiency is higher.
As shown in fig. 2 and 3, a limiting plate 251 is disposed on one side of the isolating static contact 25, and a buffer pad 252 matched with the isolating blade 24 is disposed on the limiting plate 251. The buffer cushion can play a limiting role on the isolation blade, and reduces the impact force of the isolation blade on the isolation static contact, so that the contact reliability of the isolation static contact and the isolation blade is improved. The stand 101 is respectively provided with an insulating baffle 105 which is separated among a plurality of isolation static contacts 25. The insulating baffle can increase the inter-phase insulation distance between a plurality of isolation fixed contacts, and is beneficial to improving the safety performance of the isolation breaker switch.
The insulating baffle of shroud on top extension wiring bolt is provided with on the support of mechanism frame, and insulating baffle can avoid top extension wiring bolt to expose outside the mechanism frame, and insulating properties is better, and the security is higher, and isolator subassembly adopts modularized structural design, is favorable to realizing the modularization assembly of circuit breaker switch, and assembly efficiency is higher. Therefore, the breaker switch has the advantages of stable and reliable performance, high assembly efficiency, good insulativity and better protection.
Claims (5)
1. The utility model provides a protection type upper isolation breaker switch, includes the mechanism frame, rotates the main shaft that sets up on the mechanism frame, sets up insulating frame on the mechanism frame, sets up three vacuum interrupter in insulating frame respectively, linkage setting is on the main shaft and be used for driving three vacuum interrupter to carry out three group's transmission cam subassembly, the isolator subassembly of setting on the mechanism frame of divide-shut brake action, its characterized in that: the isolating switch assembly comprises an isolating rotating shaft, three isolating crank arm groups, three conducting plates, three isolating cutters, three isolating static contacts and three grounding static contacts, wherein the isolating rotating shaft is arranged on a machine frame in a rotating mode, the isolating crank arm groups are arranged on the isolating rotating shaft in a linkage mode, the three conducting plates are arranged at one end of the three vacuum arc-extinguishing chambers respectively, the three isolating cutters are arranged on the three conducting plates and are in linkage fit with the three isolating crank arm groups respectively, the three isolating static contacts and the three grounding static contacts are arranged on a support of the machine frame and are matched with the three isolating cutters, three copper bar flexible connection is arranged between the support and the three isolating static contacts respectively, the support is provided with top extension wiring bolts connected with the three copper bar flexible connection respectively, and the support is provided with insulating baffles covering the top extension wiring bolts.
2. The protective upper isolation breaker switch of claim 1 wherein: the support on correspond top extension wiring bolt department and be provided with the storage tank, top extension wiring bolt set up in the storage tank, the insulating barrier shroud on the storage tank, the storage tank correspond insulating barrier both sides and be provided with the joint sand grip respectively, insulating barrier be provided with joint sand grip matched with joint groove, joint sand grip block in the joint inslot, and constitute insulating barrier and the joint cooperation of support.
3. The protective upper isolation breaker switch of claim 2 wherein: the insulation baffle one end be provided with the joint strip, the holding inslot be provided with the joint groove, the joint strip block in the joint inslot, and constitute insulation baffle and the joint cooperation of support.
4. The protective upper isolation breaker switch of claim 1 or 2 wherein: one side of the isolation static contact is provided with a limiting plate, and the limiting plate is provided with a buffer pad matched with the isolation blade.
5. The protective upper isolation breaker switch of claim 1 or 2 wherein: the support is respectively provided with an insulating baffle plate which is separated among a plurality of isolation static contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322523962.2U CN220774155U (en) | 2024-03-16 | 2024-03-16 | Protective upper isolation breaker switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322523962.2U CN220774155U (en) | 2024-03-16 | 2024-03-16 | Protective upper isolation breaker switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220774155U true CN220774155U (en) | 2024-04-12 |
Family
ID=90619890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322523962.2U Active CN220774155U (en) | 2024-03-16 | 2024-03-16 | Protective upper isolation breaker switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220774155U (en) |
-
2024
- 2024-03-16 CN CN202322523962.2U patent/CN220774155U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |