CN201655650U - High-voltage load switch - Google Patents
High-voltage load switch Download PDFInfo
- Publication number
- CN201655650U CN201655650U CN2010201043891U CN201020104389U CN201655650U CN 201655650 U CN201655650 U CN 201655650U CN 2010201043891 U CN2010201043891 U CN 2010201043891U CN 201020104389 U CN201020104389 U CN 201020104389U CN 201655650 U CN201655650 U CN 201655650U
- Authority
- CN
- China
- Prior art keywords
- voltage load
- load switch
- switch
- high voltage
- case
- 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
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Abstract
An aim of the utility model is to provide a high-voltage load switch which has the following advantages: full-sealed and full-insulated protection performance, reliable safety, long service life, and greatly reduced volume of switch. For obtaining the effect, the high-voltage load switch of the utility model comprises a cover housing which is internally provided with an insulated main shaft. The insulated main shaft is provided with a mounting hole. A movable is inserted into the mounting hole. The cover housing is fixedly provided with a mounting plate, and a static contact is fixed to the mounting plate. As the technical solution is adopted, the high-voltage load switch can switch on, bear and switch off a current which reaches up to a rated breaking current through the matching between the movable contact and the static contact, and furthermore a certain short circuit current can be bear and switched off. Through the structure, the matching between the inner movable contact and the static contact is accurate in switch operation, the failure in operation process is reduced and the service life of product is prolonged.
Description
Technical field
The utility model relates to a kind of high voltage switchgear, relates in particular to high voltage load switch.
Background technology
Along with the develop rapidly of national economy, the urban power consumption sharply increases, and simultaneously for the beautifying city, power transmission line is delivered directly to the user by cable in the net ring network power supply of city.So the demand to high voltage load switch ring main unit and inflation ring main unit in the net of city increases day by day.It is typically applied in: the user that industrial and mining enterprises, transformer station, power supply department and government utility are used send transformer station, as power plant, airport, subway station, skyscraper, residential quarters, steel and iron industry, petroleum industry, chemical industry, movable transformer pack, box-type substation etc.Power supply department is in order to improve the quality of continuous power supply, reducing the equipment operation expense generally is to set up " two-layer configuration " electrical network, be that main ring network is powered to second-class loop, connect the MV/LV transformer by second-class loop, high voltage load switch replaces circuit breaker to account for leading position in MV/LV secondary transformation and distribution system gradually at present.High voltage load switch can close in distribution system and close, carries and cut-off electric current up to its specified drop-out current, and can carry and close the fixed short circuit current of unification.
But high voltage load switch sealing of the prior art and insulating properties are not very satisfactory.The corresponding also no good cake of barrier propterty.The volume of switch is big simultaneously, has taken too much space under the situation of urban land growing tension, is unfavorable for reducing the cost of transformer station, the social benefit that can't bring and economic benefit.
The utility model content
The purpose of this utility model provides high voltage load switch, has barrier propterty hermetically sealed, all insulation, and is safe and reliable, long service life, and the volume of switch greatly reduces simultaneously.
For reaching described effect, the utility model high voltage load switch comprises case, and the insulation main shaft is installed in the described case, and the insulation main shaft is provided with installing hole, and moving contact is plugged in the installing hole, is fixed with mounting panel on the case, and fixed contact is fixed on the mounting panel.
Preferably, the arc extinguishing screen of calming the anger is housed on the moving contact.The anti-electric arc of arc extinguishing screen of calming the anger, good insulation preformance plays the effect of the good extinguish arcs of calming the anger when the switch separating brake.
Preferably, be provided with dividing plate in the described case.The lateral partitions of case makes each all become mutually an independently cell, case vertically also be provided with dividing plate, the major loop of switch and grounded circuit are isolated, improved the insulation property of switch.
Preferably, described dividing plate is 1 longitudinal baffle and 3 lateral partitions.Such structure is divided into 6 independent cells with case inside, cooperates the structure of whole threephase switch.
Preferably, described moving contact head is equipped with the butterfly spring.The butterfly spring is used to adjust contact pressure, makes contact have stable contact pressure, guarantees excellent conducting performance, and mutual active force when reducing the contact contact prolongs life of product.
Preferably, be filled with SF6 gas in the described case, SF6 gas has the ability of good insulation property and extinguish arcs.Can avoid the accident that appearance caused of electric spark like this.
Owing to adopted described technical scheme, high voltage load switch is by the cooperation between moving contact and the fixed contact, can close to close, carry and cut-off electric current up to its specified drop-out current in distribution system, and can carry and close and unify fixed short circuit current.By such structure, in the time of guaranteeing switching manipulation, inner moving contact and fixed contact coupling accurately reduce the fault that produces in the operating process, have prolonged the useful life of product.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the schematic diagram of the utility model high voltage load switch.
Fig. 2 is the fixed contact scheme of installation of the utility model high voltage load switch.
Fig. 3 is the case schematic internal view of the utility model high voltage load switch.
Fig. 4 is the insulation main shaft schematic diagram of the utility model high voltage load switch.
Embodiment
As shown in Figure 1 and Figure 2, the utility model high voltage load switch comprises case 1, insulation main shaft 2 is installed in the described case 1, and insulation main shaft 2 is provided with installing hole 3, and moving contact 4 is plugged in the installing hole 3, be fixed with fixed contact mounting panel 5 on the case 1, fixed contact 6 is fixed on the mounting panel 5.The arc extinguishing screen 7 of calming the anger is housed on the moving contact 4.Be provided with dividing plate 8 in the described case 1.Described dividing plate 8 is 1 longitudinal baffle 8 and 3 lateral partitions 8.Described moving contact 4 heads are equipped with butterfly spring 9.Be filled with SF6 gas in the described case 1.
As shown in Figure 3, during installation, the utility model high voltage load switch is snapped together up and down by two cases 1 and has constituted arc control device, the dividing plate 8 that laterally is provided with of case 1 makes each all become an independently cell mutually, case 1 vertically also be provided with dividing plate 8, the major loop and the grounded circuit of switch are isolated, improved the insulation property of switch.The fixed contact 6 and the mounting panel 5 that are embedded in during compacting on the mounting panel 5 become one, and have guaranteed the accuracy of fixed contact 6 installation sites.Mounting panel 5 is fixed on the case 1.
Insulation main shaft 2 is installed in the case 1, and assembled construction has the installing hole 3 of dress moving contact 4 as shown in Figure 4 on the insulation main shaft 2, and moving contact 4 inserts in the installing hole 3 and is fixed on the insulation main shaft 2.The head of moving contact 4 is equipped with butterfly spring 9 makes moving contact 4 keep enough contact pressures, and the arc extinguishing screen 7 of calming the anger anti-electric arc, good insulation preformance also is housed on the moving contact 4, and the arc extinguishing screen 7 of calming the anger when the switch separating brake plays the effect of the good extinguish arcs of calming the anger.Also be filled with SF6 gas in the case 1, improve arc extinction performance and insulation property.The electric spark that produces when avoiding work.
Since adopted such structure, the utility model high voltage load switch sealing and good insulating, and the volume that takies is little, has reduced the cost of transformer station, brings good social benefit and economic benefit.
Claims (6)
1. high voltage load switch, comprise case (1), insulation main shaft (2) is installed in the described case (1), it is characterized in that, insulation main shaft (2) is provided with installing hole (3), moving contact (4) is plugged in the installing hole (3), is fixed with mounting panel (5) on the case (1), and fixed contact (6) is fixed on the mounting panel (5).
2. high voltage load switch as claimed in claim 1 is characterized in that: the arc extinguishing screen (7) of calming the anger is housed on the moving contact (4).
3. high voltage load switch as claimed in claim 1 is characterized in that: be provided with dividing plate (8) in the described case (1).
4. high voltage load switch as claimed in claim 3 is characterized in that: described dividing plate (8) is 1 longitudinal baffle (8) and 3 lateral partitions (8).
5. as the wherein arbitrary described high voltage load switch of claim 1-3, it is characterized in that: described moving contact (4) head is equipped with butterfly spring (9).
6. as the wherein arbitrary described high voltage load switch of claim 1-3, it is characterized in that: described case is filled with SF6 gas in (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201043891U CN201655650U (en) | 2010-01-25 | 2010-01-25 | High-voltage load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201043891U CN201655650U (en) | 2010-01-25 | 2010-01-25 | High-voltage load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201655650U true CN201655650U (en) | 2010-11-24 |
Family
ID=43120894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201043891U Expired - Fee Related CN201655650U (en) | 2010-01-25 | 2010-01-25 | High-voltage load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201655650U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106898521A (en) * | 2015-12-17 | 2017-06-27 | Abb技术有限公司 | Three-station and high-tension switch gear |
| CN109585193A (en) * | 2018-12-14 | 2019-04-05 | 首瑞（天津）电气设备有限公司 | Switching device |
| CN111524744A (en) * | 2020-05-27 | 2020-08-11 | 库柏爱迪生(平顶山)电子科技有限公司 | Arc extinguishing nozzle and load switch with same |
-
2010
- 2010-01-25 CN CN2010201043891U patent/CN201655650U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106898521A (en) * | 2015-12-17 | 2017-06-27 | Abb技术有限公司 | Three-station and high-tension switch gear |
| CN109585193A (en) * | 2018-12-14 | 2019-04-05 | 首瑞（天津）电气设备有限公司 | Switching device |
| CN111524744A (en) * | 2020-05-27 | 2020-08-11 | 库柏爱迪生(平顶山)电子科技有限公司 | Arc extinguishing nozzle and load switch with same |
| CN111524744B (en) * | 2020-05-27 | 2023-03-31 | 库柏爱迪生(平顶山)电子科技有限公司 | Arc extinguishing nozzle and load switch with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo Yaohua Electric Technology Co., Ltd. Assignor: Zhu Puyan| Liu Jiangang| Wu Dexiang Contract record no.: 2011330001339 Denomination of utility model: Spring operating device of high-voltage load switch Granted publication date: 20101124 License type: Exclusive License Record date: 20111109 |
|
| ASS | Succession or assignment of patent right |
Owner name: NINGBO YAOWA ELECTRIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LIU JIANGANG Effective date: 20121122 Free format text: FORMER OWNER: ZHU PUYAN WU DEXIANG Effective date: 20121122 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121122 Address after: 315324 Zhejiang Province, Cixi city Zhouxiang town Wanshou Temple Village Patentee after: Ningbo Yaohua Electric Technology Co., Ltd. Address before: 315324 Ningbo Yaohua Electric Appliance Factory, Zhouxiang industry science and technology zone, Cixi, Zhejiang Patentee before: Liu Jiangang Patentee before: Zhu Puyan Patentee before: Wu Dexiang |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20140125 |