CN2867562Y - Electric power locomotive combined switch device - Google Patents
Electric power locomotive combined switch device Download PDFInfo
- Publication number
- CN2867562Y CN2867562Y CN 200620001744 CN200620001744U CN2867562Y CN 2867562 Y CN2867562 Y CN 2867562Y CN 200620001744 CN200620001744 CN 200620001744 CN 200620001744 U CN200620001744 U CN 200620001744U CN 2867562 Y CN2867562 Y CN 2867562Y
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- CN
- China
- Prior art keywords
- circuit breaker
- main circuit
- lightning arrester
- electric locomotive
- ground connection
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Abstract
An electric locomotive cubicle switch device includes a main circuit breaker, which connects with a ground switch in parallel. One end of the main circuit breaker and the ground switch connects with the power supply bus and the other end connects with the main transformer. A lightning protector connects with the above main circuit breaker, the ground knife switch and the vacuum circuit breaker in the electric locomotive cubicle switch device have pneumatic interlocking and electric interlocking structure. The lightning protector is fixed on the base of the vacuum circuit breaker. The vacuum circuit breaker and the ground knife switch integrate with the lightning protector on the circuit and mechanism. The device has advantages of simple and optimized circuit structure, complete function and great improvement of the security performance of electric locomotive.
Description
Technical field
The utility model relates to a kind of electric locomotive electrical switchgear, particularly a kind of electric locomotive cubicle switchgear, and it is the three-in-one type cubicle switchgear that is used for electric locomotive and combines main circuit breaker, earthed switch and lightning arrester.
Background technology
Present electric locomotive, the main circuit breaker that adopts is vacuum circuit-breaker or air circuit, although be provided with lightning arrester, but be installed near the of main circuit breaker rather than be installed on the main circuit breaker, the main circuit breaker effect is: by the single-phase 25kV supply voltage of electrification railway contact net introducing, through the closure of main circuit breaker, this voltage is introduced in the electric locomotive, use for locomotive.Because main circuit breaker turnover line end is not provided with earthing device, have certain potential safety hazard in the prior art, cause locomotive or personnel's security incident easily.Lightning arrester and main circuit breaker are provided with respectively, and be unreasonable on the structure, causes bus to connect the not enough optimization of distance, brings inconvenience for maintenance and use.
Designer of the present utility model is that the design research and development are improved in view of the defective that above-mentioned known configurations exists then, has passed through after the research with great concentration, has overcome above-mentioned defective finally, has finished electric locomotive cubicle switchgear of the present utility model.
Summary of the invention
The technical problems to be solved in the utility model is: a kind of electric locomotive cubicle switchgear that overcomes above-mentioned defective is provided; the function that possesses ground protection and lightning arrester; reach the circuit structure simple optimizing, multiple functional, the improved purpose of the security performance of electric locomotive.
A kind of electric locomotive cubicle switchgear of proposition of the present utility model wherein, comprises a main circuit breaker, this main circuit breaker earthed switch that is connected in parallel, the once end of main circuit breaker and earthed switch is connected power source bus, and the other end connects main transformer, and a lightning arrester is connected on the above-mentioned main circuit breaker.
Aforesaid electric locomotive cubicle switchgear wherein, has a main circuit breaker base and a switching tube, and described switching tube is positioned at a side of described main circuit breaker base, in the same side of described switching tube described earthed switch and lightning arrester is set.
Aforesaid electric locomotive cubicle switchgear, wherein, described switching tube is provided with input terminal and outlet terminal, on described outlet terminal, be fixed with lightning arrester first connecting plate, described lightning arrester first connecting plate connects described lightning arrester one end, the other end of described lightning arrester connects lightning arrester second connecting plate, and described lightning arrester second connecting plate is connected ground connection on the described main circuit breaker base.
Aforesaid electric locomotive cubicle switchgear, wherein, on the input terminal of described switching tube and outlet terminal, be fixed with the fixed contact mount pad of described earthed switch respectively, on described fixed contact mount pad, be separately installed with fixed contact, the corresponding ground connection plug-in strip that described earthed switch is set on the described main circuit breaker base, described ground connection plug-in strip is connected electrically in ground connection on the described vacuum circuit-breaker base by earth connection.
Aforesaid electric locomotive cubicle switchgear wherein, is provided with the hand-operating device of described earthed switch at the opposite side of described main circuit breaker base.
Aforesaid electric locomotive cubicle switchgear, wherein, described main circuit breaker model is the vacuum circuit-breaker of 22CB016A, and described earthed switch model is 35KS016A2, and described lightning arrester is that rated voltage is industrial frequency AC 42kV.
Aforesaid electric locomotive cubicle switchgear, wherein, described switching tube is a vacuum switch tube.
Aforesaid electric locomotive cubicle switchgear, wherein, the operating mechanism of described ground connection plug-in strip and described main circuit breaker can carry out pneumatic interlocking and electrical interlock.
Aforesaid electric locomotive cubicle switchgear wherein, has a main circuit breaker base and a switching tube, and described switching tube is positioned at a side of described main circuit breaker base, in the same side of described switching tube described earthed switch and lightning arrester is set; Described switching tube is provided with input terminal and outlet terminal, on described outlet terminal, be fixed with lightning arrester first connecting plate, described lightning arrester first connecting plate connects described lightning arrester one end, the other end of described lightning arrester connects lightning arrester second connecting plate, and described lightning arrester second connecting plate is connected ground connection on the described main circuit breaker base; Described main circuit breaker model is the main circuit breaker of 22CB016A, and described earthed switch model is 35KS016A2, and described lightning arrester rated voltage is industrial frequency AC 42kV; On described input terminal and outlet terminal, be fixed with the fixed contact mount pad of described earthed switch respectively, on described fixed contact mount pad, be separately installed with fixed contact, correspondence is provided with the ground connection plug-in strip on the described main circuit breaker base, and described ground connection plug-in strip is connected electrically in ground connection on the described main circuit breaker base by earth connection; Be provided with the hand-operating device of described earthed switch at the opposite side of described main circuit breaker base; The operating mechanism of described ground connection plug-in strip and described main circuit breaker can carry out pneumatic interlocking and electrical interlock.
Characteristics and advantage that electric locomotive cubicle switchgear of the present utility model compared with prior art possesses are: ground connection plug-in strip and vacuum circuit-breaker have pneumatic interlocking and electrical interlock mechanism in electric locomotive cubicle switchgear of the present utility model, lightning arrester is fixed on the base of vacuum circuit-breaker, having constituted vacuum circuit-breaker and ground connection knife switch and lightning arrester in circuit and mechanism, to close three be one, has the circuit structure simple optimizing, the advantage multiple functional, that the security performance of electric locomotive is greatly improved.
Description of drawings
Fig. 1 looks schematic diagram for the structure master of electric locomotive cubicle switchgear one embodiment of the present utility model;
Fig. 2 is electric locomotive cubicle switchgear one an embodiment structure schematic top plan view shown in Figure 1;
Fig. 3 is the circuit theory diagrams of electric locomotive cubicle switchgear one embodiment of the present utility model.
The drawing reference numeral explanation:
1, main circuit breaker 2, earthed switch 3, lightning arrester
4, main circuit breaker base 5, switching tube 6, input terminal
7, lightning arrester first connecting plate 8, lightning arrester second connecting plate
9, fixed contact mount pad 10, hand-operating device 11, ground connection plug-in strip
12, earth connection 13, fixed contact 14, outlet terminal
Embodiment
For the purpose of further understanding technical characterictic of the present utility model, technique effect and will reaching, the electric locomotive cubicle switchgear that the utility model proposes is done further to describe below in conjunction with accompanying drawing and instantiation.
Please at first referring to Fig. 3, it is the circuit theory diagrams of electric locomotive cubicle switchgear one embodiment of the present utility model.As seen from the figure, electric locomotive cubicle switchgear of the present utility model comprises a main circuit breaker 1, this main circuit breaker 1 earthed switch 2 that is connected in parallel, the once end of main circuit breaker 1 and earthed switch 2 is connected power source bus, other end A connects locomotive main transformer, and a lightning arrester 3 is connected on the above-mentioned main circuit breaker.
Fig. 1,2 is the structural representation of electric locomotive cubicle switchgear one embodiment of the present utility model.As seen from the figure, electric locomotive cubicle switchgear of the present utility model has a main circuit breaker base 4, main circuit breaker 1 is a vacuum circuit-breaker in this embodiment, this vacuum circuit-breaker has a switching tube 5, switching tube 5 is positioned at a side of main circuit breaker base 4, switching tube 5 is provided with input terminal 6 and outlet terminal 14, and in the present embodiment, described switching tube 5 is a vacuum switch tube.Be fixed with lightning arrester first connecting plate 7 on outlet terminal 14, lightning arrester first connecting plate 7 connects lightning arrester 3, and the other end of lightning arrester 3 connects lightning arrester second connecting plate 8, lightning arrester second connecting plate 8 ground connection.On input terminal 6 and outlet terminal 14, also be fixed with two fixed contact mount pads 9 of earthed switch 2, two fixed contacts 13 are connected respectively on two fixed contact mount pads 9, correspondence is provided with ground connection plug-in strip 11 on the main circuit breaker base 4, and ground connection plug-in strip 11 is connected electrically in ground connection on the main circuit breaker base 4 by earth connection 12.Be provided with the hand-operating device 10 of earthed switch at the opposite side of main circuit breaker base 4, the also available automatic pilot of this hand-operating device is replaced.
Above-mentioned main circuit breaker 1, earthed switch 2 and lightning arrester 3 are existing equipment, and main circuit breaker 1 model can be the vacuum circuit-breaker of 22CB016A, and earthed switch 2 models can be 35KS016A2, and it is industrial frequency AC 42kV that lightning arrester 3 can be rated voltage.Certainly, the model that can adopt other to be fit to as required.
A lead of drawing from pantograph is connected on the input terminal 6, and the lead that draws from the traction transformer sleeve pipe connects outlet terminal 14.
The operating mechanism of ground connection plug-in strip and main circuit breaker can carry out pneumatic interlocking and electrical interlock, and its closure is controlled by direct current 110V electromagnet coil (vacuum circuit-breaker carries) with disconnection.When motorcycle pantograph is in that rise state and charged or pantograph have risen and switch can not the operational grounding switch when being in earthing position.
The above person only; only be specific embodiment of the utility model, when can not with the scope implemented of qualification the utility model, so the displacement of its equivalent assemblies; or, all should still belong to the category that this patent is contained according to equivalent variations and modification that the utility model scope of patent protection is done.
Claims (9)
1. electric locomotive cubicle switchgear, it is characterized in that: comprise a main circuit breaker, this main circuit breaker earthed switch that is connected in parallel, the once end of main circuit breaker and earthed switch is connected power source bus, the other end connects main transformer, and a lightning arrester is connected on the above-mentioned main circuit breaker.
2, electric locomotive cubicle switchgear as claimed in claim 1, it is characterized in that: have a main circuit breaker base and a switching tube, described switching tube is positioned at a side of described main circuit breaker base, in the same side of described switching tube described earthed switch and lightning arrester is set.
3, electric locomotive cubicle switchgear as claimed in claim 2, it is characterized in that: described switching tube is provided with input terminal and outlet terminal, on described outlet terminal, be fixed with lightning arrester first connecting plate, described lightning arrester first connecting plate connects described lightning arrester one end, the other end of described lightning arrester connects lightning arrester second connecting plate, and described lightning arrester second connecting plate is connected ground connection on the described main circuit breaker base.
4, electric locomotive cubicle switchgear as claimed in claim 2, it is characterized in that: the fixed contact mount pad that on the input terminal of described switching tube and outlet terminal, is fixed with described earthed switch respectively, on described fixed contact mount pad, be separately installed with fixed contact, the corresponding ground connection plug-in strip that described earthed switch is set on the described main circuit breaker base, described ground connection plug-in strip is connected electrically in ground connection on the described vacuum circuit-breaker base by earth connection.
5, electric locomotive cubicle switchgear as claimed in claim 4 is characterized in that: the hand-operating device that is provided with described earthed switch at the opposite side of described main circuit breaker base.
6, as each described electric locomotive cubicle switchgear of claim 2 to 4, it is characterized in that: described main circuit breaker model is the vacuum circuit-breaker of 22CB016A, described earthed switch model is 35KS016A2, and described lightning arrester is that rated voltage is industrial frequency AC 42kV.
7, as each described electric locomotive cubicle switchgear of claim 2 to 4, it is characterized in that: described switching tube is a vacuum switch tube.
8, as each described electric locomotive cubicle switchgear of claim 2 to 4, it is characterized in that: the operating mechanism of described ground connection plug-in strip and described main circuit breaker can carry out pneumatic interlocking and electrical interlock.
9, electric locomotive cubicle switchgear as claimed in claim 1, it is characterized in that: have a main circuit breaker base and a switching tube, described switching tube is positioned at a side of described main circuit breaker base, in the same side of described switching tube described earthed switch and lightning arrester is set; Described switching tube is provided with input terminal and outlet terminal, on described outlet terminal, be fixed with lightning arrester first connecting plate, described lightning arrester first connecting plate connects described lightning arrester one end, the other end of described lightning arrester connects lightning arrester second connecting plate, and described lightning arrester second connecting plate is connected ground connection on the described main circuit breaker base; Described main circuit breaker model is the main circuit breaker of 22CB016A, and described earthed switch model is 35KS016A2, and described lightning arrester rated voltage is industrial frequency AC 42kV; On described input terminal and outlet terminal, be fixed with the fixed contact mount pad of described earthed switch respectively, on described fixed contact mount pad, be separately installed with fixed contact, correspondence is provided with the ground connection plug-in strip on the described main circuit breaker base, and described ground connection plug-in strip is connected electrically in ground connection on the described main circuit breaker base by earth connection; Be provided with the hand-operating device of described earthed switch at the opposite side of described main circuit breaker base; The operating mechanism of described ground connection plug-in strip and described main circuit breaker can carry out pneumatic interlocking and electrical interlock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620001744 CN2867562Y (en) | 2006-01-27 | 2006-01-27 | Electric power locomotive combined switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620001744 CN2867562Y (en) | 2006-01-27 | 2006-01-27 | Electric power locomotive combined switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2867562Y true CN2867562Y (en) | 2007-02-07 |
Family
ID=37703267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620001744 Expired - Fee Related CN2867562Y (en) | 2006-01-27 | 2006-01-27 | Electric power locomotive combined switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2867562Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139643A (en) * | 2009-12-30 | 2011-08-03 | 阿尔斯通运输股份有限公司 | Electrical equipment arranged on the roof of an electrically powered railway vehicle |
| CN102376491A (en) * | 2011-10-18 | 2012-03-14 | 株洲庆云电力机车配件工厂有限公司 | High-voltage ground switch |
-
2006
- 2006-01-27 CN CN 200620001744 patent/CN2867562Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139643A (en) * | 2009-12-30 | 2011-08-03 | 阿尔斯通运输股份有限公司 | Electrical equipment arranged on the roof of an electrically powered railway vehicle |
| CN102376491A (en) * | 2011-10-18 | 2012-03-14 | 株洲庆云电力机车配件工厂有限公司 | High-voltage ground switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070207 Termination date: 20140127 |