CN204537927U - The logic blocking structure of a kind of New Type Isolating Switch and earthed switch - Google Patents
The logic blocking structure of a kind of New Type Isolating Switch and earthed switch Download PDFInfo
- Publication number
- CN204537927U CN204537927U CN201520277970.6U CN201520277970U CN204537927U CN 204537927 U CN204537927 U CN 204537927U CN 201520277970 U CN201520277970 U CN 201520277970U CN 204537927 U CN204537927 U CN 204537927U
- Authority
- CN
- China
- Prior art keywords
- assembling
- switch
- isolating switch
- moving contact
- earthed switch
- 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.)
- Expired - Fee Related
Links
- 230000000903 blocking effect Effects 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000012212 insulator Substances 0.000 claims abstract description 12
- 230000003068 static effect Effects 0.000 claims abstract description 10
- 229910018503 SF6 Inorganic materials 0.000 claims abstract description 8
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229960000909 sulfur hexafluoride Drugs 0.000 claims abstract description 6
- 210000003371 toe Anatomy 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
A logic blocking structure for New Type Isolating Switch and earthed switch, comprises three station housings, disk insulator, moving contact assembling, shading ring, grounding static contact assembling, the assembling of transmission insulating bar, bearing pedestal assembling, three position mechanism, main fixed contact assembling totally 9 parts.When three position mechanism turns clockwise, movable touch knife, to grounding static contact assembling motion, until earthed switch closing position, reaches the anti-error requirement of " when earthed switch closes a floodgate, isolating switch can not close a floodgate ".When three position mechanism is rotated counterclockwise, movable touch knife, to main fixed contact assembling motion, until isolating switch switch closing position, reaches the anti-error requirement of " when isolating switch closes a floodgate, earthed switch can not close a floodgate ".The utility model sealing structure, in a housing, is full of sulfur hexafluoride gas, and running environment is good, and excellent insulation performance reduces operating cost greatly.
Description
Technical field
The utility model belongs to electric equipment, is specially the logic blocking structure of a kind of New Type Isolating Switch and earthed switch.
Background technology
In 40.5kV high voltage power transmission and transforming system, as one of element the most frequently used in equipment, what isolating switch and earthed switch generally adopted is all unenclosed construction, rely on mechanical interlocking and electrical interlock, although through-flow requirement can be met, but have that running environment is severe, useful life is short, the problem that maintenance workload is large, simultaneously the unreliability of mechanical interlocking and electrical interlock are easily slipped up factor and artificial misoperation, cause the reliability and safety of electric power system greatly to reduce, cause immeasurable loss.
Along with the fast development of electric power system, in transformer station, compound combined electrical equipment equipment has started extensive employing, isolating switch in combined electrical apparatus and earthed switch adopt unenclosed construction can not meet the requirement of user, therefore design a kind of novel three station isolation-earthed switches with logic blocking structure and necessitate.
Summary of the invention
The purpose of this utility model is the logic blocking structure providing a kind of New Type Isolating Switch and earthed switch, solves the problem in background technology.
The utility model realizes by the following technical solutions:
A logic blocking structure for New Type Isolating Switch and earthed switch, comprises three station housings, housing screw, disk insulator, moving contact assembles, inner shield ring, external shield ring, rigging screw, bolt, grounding static contact assembles, transmission insulating bar assembles, the movable touch knife of moving contact assembling, bearing pedestal assembles, three position mechanism, inner bolt, casing bolts, outer bolt, lower screw, main fixed contact assembling, the conductor of circuit breaker assembling and the housing of circuit breaker, main fixed contact assembling adopts lower screw fastening on the conductor of circuit breaker assembling, disk insulator and external shield ring are fixed on three station enclosure interior by housing screw, moving contact assembling and inner shield ring are fixed on disk insulator by rigging screw, grounding static contact assembling is bolted on the side of three station housings, transmission insulating bar assembling square hole one end, two ends is connected with the rotating shaft square toes that moving contact assembles, the rotating shaft square toes that the other end and bearing pedestal assemble are connected, bearing pedestal assembling is fixed on three station housings by inner bolt, the square toes that the square hole of three position mechanism and bearing pedestal assemble are connected, and linked together by outer bolt and three station housings, three station housings are linked together by the housing of casing bolts and circuit breaker, described moving contact fit on is provided with the movable touch knife of moving contact assembling, described transmission insulating bar assembling end is provided with the movable touch knife of moving contact assembling.
In the utility model, isolating switch, earthed switch share rotary moving contact.
In the utility model, isolating switch, earthed switch are enclosed in same housing, the operating mechanism of common housing outside.
In the utility model, the disk insulator that the insulated part of current-carrying part is made up of epoxy resin and the transmission insulating bar be made up of vacuum-latexed pipe and sulfur hexafluoride gas form.
In the utility model, whole galvanic circle is sealed in sulfur hexafluoride gas, sulfur hexafluoride gas bear over the ground with the insulating requirements of fracture, bear the instrumentality of conductor heat radiation, bear the effect of the anti-oxidation of conductive contact.
Beneficial effect: compare with the open isolating switch of domestic existing 40.5kV compound combined electrical equipment and earthed switch, the advantage of the utility model logic blocking type three station isolation-earthed switch is: solve an isolating/grounding switch operational reliability difficult problem: in SF6 gas, run and do not affect by external environment, insulation property are high, and reliability strengthens greatly; Run in SF6 gas, radiating condition is good, and contact does not exist problem of oxidation and pollution problem, and the non-maintaining cycle is long, and operating cost reduces greatly; Adopt three station structures, naturally realize the logic blocking between DS/ES, stop the possibility of misoperation.
Accompanying drawing explanation
Fig. 1 is left view of the present utility model;
Fig. 2 is front view of the present utility model;
Fig. 3 is the utility model earthed switch "on" position figure;
Fig. 4 is the intermediate orientation figure of the utility model three station;
Fig. 5 position the utility model closing switch "on" position figure.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
See Fig. 1, Fig. 2, the left view of the logic blocking structure of a kind of New Type Isolating Switch and earthed switch, a front view for the logic blocking structure of New Type Isolating Switch and earthed switch, the logic blocking structure of a kind of New Type Isolating Switch and earthed switch, comprises three station housings 1, housing screw 2, disk insulator 3, moving contact assembling 4, inner shield ring 5, external shield ring 6, rigging screw 7, bolt 8, grounding static contact assembling 9, transmission insulating bar assembling 10, the movable touch knife 11 of moving contact assembling, bearing pedestal assembling 12, three position mechanism 13, inner bolt 14, casing bolts 15, outer bolt 16, lower screw 17, main fixed contact assembling 18, the conductor 19 of circuit breaker assembling and the housing 20 of circuit breaker, main fixed contact assembling 18 adopts lower screw 17 to be fastened on the conductor 19 of circuit breaker assembling, it is inner that disk insulator 3 and external shield ring 6 are fixed on three station housings 1 by housing screw 2, moving contact assembling 4 and inner shield ring 5 are fixed on disk insulator 3 by rigging screw 7, grounding static contact assembling 9 is fixed on the side of three station housings 1 by bolt 8, transmission insulating bar assembles 10 square hole one end, two ends and is connected with the rotating shaft square toes that moving contact assembles 4, the rotating shaft square toes that the other end and bearing pedestal assemble 12 are connected, bearing pedestal assembling 12 is fixed on three station housings 1 by inner bolt 14, the square toes that the square hole of three position mechanism 13 and bearing pedestal assemble 12 are connected, and linked together by outer bolt 16 and three station housings 1, three station housings 1 are linked together by the housing 20 of casing bolts 15 with circuit breaker, described moving contact assembling 4 is provided with the movable touch knife 11 of moving contact assembling, described transmission insulating bar assembles the movable touch knife 11 that 10 ends are provided with moving contact assembling.
Three position mechanism 13 drives the movable touch knife 11 of moving contact assembling to rotate by bearing pedestal assembling 12 and transmission insulating bar assembling 10, when three position mechanism 13 turns clockwise, the movable touch knife 11 of moving contact assembling moves, until the logic blocking grounding structure switch "on" position figure of a kind of New Type Isolating Switch shown in Fig. 3 and earthed switch to grounding static contact assembling 9.Because isolating switch and earthed switch have shared the movable touch knife 11 of moving contact assembling, when earthed switch closes a floodgate, the movable touch knife 11 of moving contact assembling is directly controlled by mechanism, isolating switch does not have movable touch knife to use, and therefore meets the anti-error requirement of " when earthed switch closes a floodgate, isolating switch can not close a floodgate " of electric power system; Be in earthed switch a kind of New Type Isolating Switch as shown in Figure 3 and the logic blocking grounding structure switch "on" position figure of earthed switch of closing position, under the driving of three position mechanism 13, rotate counterclockwise, the movable touch knife 11 of moving contact assembling arrives the intermediate orientation figure of logic blocking structure three station of a kind of New Type Isolating Switch as shown in Figure 4 and earthed switch; The movable touch knife 11 of the moving contact assembling when centre position can assemble 9 rotations to grounding static contact or rotate to main fixed contact assembling 18, and rotation direction performs according to operational order; The movable touch knife 11 of the moving contact assembling mediated is when three position mechanism 13 is rotated counterclockwise, and trend main fixed contact assembling 18 motion, until the logic blocking structure closing switch "on" position figure of a kind of New Type Isolating Switch shown in Fig. 5 and earthed switch; Because isolating switch and earthed switch have shared the movable touch knife 11 of moving contact assembling, when isolating switch closes a floodgate, the movable touch knife 11 of moving contact assembling is directly controlled by mechanism, earthed switch does not have movable touch knife to use, and therefore meets the anti-error requirement of " when isolating switch closes a floodgate, earthed switch can not close a floodgate " of electric power system.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model, the technical staff of the industry should understand, the utility model is not restricted to the described embodiments, what describe in above-described embodiment and specification just illustrates principle of the present utility model, under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, these changes and improvements all fall within the scope of claimed the utility model, the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a logic blocking structure for New Type Isolating Switch and earthed switch, comprises three station housings, housing screw, disk insulator, moving contact assembles, inner shield ring, external shield ring, rigging screw, bolt, grounding static contact assembles, transmission insulating bar assembles, the movable touch knife of moving contact assembling, bearing pedestal assembles, three position mechanism, inner bolt, casing bolts, outer bolt, lower screw, main fixed contact assembling, the conductor of circuit breaker assembling and the housing of circuit breaker, it is characterized in that, main fixed contact assembling adopts lower screw fastening on the conductor of circuit breaker assembling, disk insulator and external shield ring are fixed on three station enclosure interior by housing screw, moving contact assembling and inner shield ring are fixed on disk insulator by rigging screw, grounding static contact assembling is bolted on the side of three station housings, transmission insulating bar assembling square hole one end, two ends is connected with the rotating shaft square toes that moving contact assembles, the rotating shaft square toes that the other end and bearing pedestal assemble are connected, bearing pedestal assembling is fixed on three station housings by inner bolt, the square toes that the square hole of three position mechanism and bearing pedestal assemble are connected, and linked together by outer bolt and three station housings, three station housings are linked together by the housing of casing bolts and circuit breaker, described moving contact fit on is provided with the movable touch knife of moving contact assembling, described transmission insulating bar assembling end is provided with the movable touch knife of moving contact assembling.
2. the logic blocking structure of a kind of New Type Isolating Switch according to claim 1 and earthed switch, is characterized in that, isolating switch, earthed switch share rotary moving contact.
3. the logic blocking structure of a kind of New Type Isolating Switch according to claim 1 and earthed switch, is characterized in that, isolating switch, earthed switch are enclosed in same housing, the operating mechanism of common housing outside.
4. the logic blocking structure of a kind of New Type Isolating Switch according to claim 1 and earthed switch, it is characterized in that, the disk insulator that the insulated part of current-carrying part is made up of epoxy resin and the transmission insulating bar be made up of vacuum-latexed pipe and sulfur hexafluoride gas form.
5. the logic blocking structure of a kind of New Type Isolating Switch according to claim 1 and earthed switch, is characterized in that, whole galvanic circle is sealed in sulfur hexafluoride gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520277970.6U CN204537927U (en) | 2015-05-04 | 2015-05-04 | The logic blocking structure of a kind of New Type Isolating Switch and earthed switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520277970.6U CN204537927U (en) | 2015-05-04 | 2015-05-04 | The logic blocking structure of a kind of New Type Isolating Switch and earthed switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204537927U true CN204537927U (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520277970.6U Expired - Fee Related CN204537927U (en) | 2015-05-04 | 2015-05-04 | The logic blocking structure of a kind of New Type Isolating Switch and earthed switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204537927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735543A (en) * | 2017-04-19 | 2018-11-02 | 施耐德电气(厦门)开关设备有限公司 | A kind of tri-station isolating switch |
-
2015
- 2015-05-04 CN CN201520277970.6U patent/CN204537927U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735543A (en) * | 2017-04-19 | 2018-11-02 | 施耐德电气(厦门)开关设备有限公司 | A kind of tri-station isolating switch |
| CN108735543B (en) * | 2017-04-19 | 2020-08-11 | 施耐德电气(厦门)开关设备有限公司 | Three-station isolating switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160511 Address after: 410005 No. 018, Jinzhou Avenue, Jinzhou new district, Ningxiang County, Hunan, Changsha Patentee after: HUNAN CHANGGAO ELECTRIC CO.,LTD. Address before: 410600, Hunan Changsha Wangcheng Venus Road hi tech food industry base (Venus Avenue and Puri Avenue intersection southwest corner) Patentee before: HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR GROUP Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |