CN106786011A - A kind of power locomotive top high-voltage electrical box - Google Patents
A kind of power locomotive top high-voltage electrical box Download PDFInfo
- Publication number
- CN106786011A CN106786011A CN201611160436.2A CN201611160436A CN106786011A CN 106786011 A CN106786011 A CN 106786011A CN 201611160436 A CN201611160436 A CN 201611160436A CN 106786011 A CN106786011 A CN 106786011A
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- China
- Prior art keywords
- breaker
- voltage
- rear end
- cable assembly
- casing assembly
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Patch Boards (AREA)
Abstract
A kind of power locomotive top high-voltage electrical box disclosed by the invention, casing assembly including roof, two breakers are provided with casing assembly, two breakers are connected with high voltage ground switch jointly, the input of two breakers is connected to the inlet wire bridge cable assembly through casing assembly side wall, and the outlet bridge cable assembly through casing assembly side wall is connected with after two output end parallel connections of breaker.A kind of power locomotive top high-voltage electrical box of the invention solves the problems, such as that current locomotive top high-voltage electrical equipment is occurred " pollution flashover " by such environmental effects greatly, easily without the distributed list electrical equipment maintenance workload of standby and roof, when electric locomotive runs and overhauls, breaker, earthed switch and voltage transformer etc. are integrated in case, reduce maintenance workload；It is simultaneously internal to use double main disconnected nature isolation Redundancy Designs, can mutually substitute be operated when a failure occurs, it is ensured that the safe operation of failure security appliance and rolling stock.
Description
Technical field
The invention belongs to railway locomotive high voltage electrical apparatus technical field, and in particular to a kind of power locomotive top high-tension electricity
Device case.
Background technology
By the way of roof scattered distribution, roof high voltage device includes preceding most of electric locomotive High-Voltage Electrical Appliances：By electricity
Bow, main circuit breaker, high voltage isolator, earthed switch, high voltage potential transformer, insulator.Locomotive high-voltage connection terminal exposes,
High voltage isolator fracture exposes.Easily there is " pollution flashover " under the conditions of heavy pollution area, haze, misty rain and put in roof high voltage device
Electricity.In addition to fixed multi-locomotive, main circuit breaker of railway engine is sole disposition, main circuit breaker or high-tension electricity with high voltage potential transformer
Locomotive will be unable to operation during pressure mulual inductor malfunction.
The content of the invention
It is an object of the invention to provide a kind of power locomotive top high-voltage electrical box, it can realize that high tension loop is superfluous
Complementary work energy, greatly optimizes the use environment of High-Voltage Electrical Appliances, improves reliability, the security of electric locomotive high-pressure system.
The technical solution adopted in the present invention is：A kind of power locomotive top high-voltage electrical box, including it is fixed on electric power
The casing assembly of locomotive roof, is provided with independent front end breaker and rear end breaker in casing assembly, front end breaker and
Rear end breaker is connected with high voltage ground switch jointly, and the input of front end breaker is connected with through before the wall of casing assembly side
Inlet wire bridge cable assembly, the input of rear end breaker is connected with total through the rear inlet wire bridge cable of casing assembly side wall
Into being connected with after the parallel connection of the output end of front end breaker and rear end breaker total through the outlet bridge cable of casing assembly side wall
Into outlet bridge cable assembly is connected to the outer arrester of case and high-tension current inductor.
The features of the present invention is also resided in,
Front end breaker is also associated with front voltage transformer, and rear end breaker is also associated with rear end voltage transformer.
Casing assembly inner high voltage earthed switch is located at ground connection position, and front end breaker and rear end breaker enter line side and outlet
Side is grounded simultaneously respectively.
Preceding inlet wire bridge cable assembly, rear inlet wire bridge cable assembly and outlet bridge cable assembly are total with casing respectively
Into side wall pass through gland head fixing seal.
The beneficial effects of the invention are as follows：A kind of power locomotive top high-voltage electrical box of the invention solves current locomotive
Top high-voltage electrical equipment is occurred greatly, easily " dirty without the distributed list electrical equipment maintenance workload of standby and roof by such environmental effects
The problem of sudden strain of a muscle ".A kind of power locomotive top high-voltage electrical box of the invention electric locomotive run and overhaul when, breaker,
Earthed switch and voltage transformer etc. are integrated in case, reduce maintenance workload, and simple structure, fault rate is low；It is simultaneously internal
Using the disconnected nature isolation Redundancy Design of double masters, two main circuit breaker alternate runs when normal, when a failure occurs can directly every
From failure end, locomotive remains to normal operation, it is ensured that the safe operation of failure security appliance and rail vehicles.
Brief description of the drawings
Fig. 1 is a kind of axonometric drawing of power locomotive top high-voltage electrical box of the invention；
Fig. 2 is that a kind of power locomotive top high-voltage electrical box of the invention removes the top view after lid on casing assembly.
In figure, 1. casing assembly, 2. before inlet wire bridge cable assembly, 3. after inlet wire bridge cable assembly, 4. outlet bridge joint
Cable assembly, 5. front end breaker, 6. rear end breaker, 7. front voltage transformer, 8. rear end voltage transformer, 9. high-voltage connecting
Ground switch, 10. insulate board component.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
A kind of structure of power locomotive top high-voltage electrical box that the present invention is provided as depicted in figs. 1 and 2, including fixation
It is preceding in independent front end breaker 5 and rear end breaker 6 is provided with the casing assembly 1 of power locomotive top, casing assembly 1
End breaker 5 and rear end breaker 6 are connected with high voltage ground switch 9 jointly.Front end breaker 5 is also associated with front voltage mutual inductance
Device 7, rear end breaker 6 is also associated with rear end voltage transformer 8, two voltage transformers respectively to power locomotive top before
End, rear end carry out voltage sampling, and the preceding inlet wire that the input of front end breaker 5 is connected with through the side wall of casing assembly 1 bridges electricity
Cable assembly 2, the input of rear end breaker 6 is connected with the rear inlet wire bridge cable assembly 3 through the side wall of casing assembly 1, contact
Online high-tension electricity introduces the conducting rod of roof rear and front end by pantograph, and electric current the past, pantograph conducting rod was by preceding inlet wire
Bridge cable assembly 2 connection front end breaker 5 input copper bar, from rear pantograph conducting rod after inlet wire bridge cable assembly 3
The connection input copper bar of rear end breaker 6, after the output end parallel connection of front end breaker 5 and rear end breaker 6 with pass through casing assembly 1
The outlet bridge cable assembly 4 of side wall is connected, arrester and high-tension current mutual inductance outside the difference connecting box of outlet bridge cable assembly 4
Device.Preceding inlet wire bridge cable assembly 2, rear inlet wire bridge cable assembly 3 and outlet bridge cable assembly 4 respectively with casing assembly
1 side wall passes through gland head fixing seal.
Insulation board component 10 is fixed with the inwall of casing assembly 1.
Can make front end breaker 5, rear end breaker by operating the operation handle of high voltage ground switch 9 during locomotive maintenance
6 inlet wire and outgoing line side is grounded simultaneously respectively.Example, the operation handle of high voltage ground switch 9 can drive main shaft to rotate, main
Three groups of ground connection knife assemblies are housed, front end breaker 5, the line side of entering of rear end breaker 6 are respectively grounded by one group of earthing, preceding on axle
It is grounded by one group of earthing after end breaker 5, the parallel connection of the outgoing line side of rear end breaker 6, when operation handle drives main shaft to rotate,
Three earthings simultaneously realize being grounded simultaneously into and out of line end upwards by motion combined floodgate on main shaft.
A kind of power locomotive top of the invention passes through front end breaker 5, the and of front voltage transformer 7 with high-voltage electrical box
Rear end breaker 6, rear end voltage transformer 8 constitute " 1+1 " double main circuit breakers, the configuration of twin voltage transformer, realize locomotive
The redundancy of main circuit breaker and high voltage potential transformer, standby to make during operation, when a main circuit breaker or voltage transformer failure
The High-Voltage Electrical Appliances that can directly switch and enable the other end put into operation.Main circuit breaker, high voltage potential transformer and homonymy are received
Pantograph is associated, and the main circuit breaker of the pantograph side of rise is enabled with high voltage potential transformer；Unrisen pantograph side is main disconnected
Road device has carried out natural isolation to the side high-tension circuit.Can be by operating the operation of high voltage ground switch 9 in locomotive maintenance
Handle make front end breaker 5 and rear end breaker 6 enter line side and outgoing line side is grounded simultaneously.Therefore a kind of electric power machine of the invention
The natural isolation features that there is double main disconnected structure inside car roof high-voltage electrical box forward and backward pantograph to power, and seal
Casing then avoids the generation of " dodging dirty " electric discharge phenomena.
Claims (4)
1. a kind of power locomotive top high-voltage electrical box, it is characterised in that the casing including being fixed on power locomotive top is total
Into (1), independent front end breaker (5) and rear end breaker (6), the front end open circuit are provided with the casing assembly (1)
Device (5) and rear end breaker (6) are connected with high voltage ground switch (9) jointly, and the input of the front end breaker (5) is connected with
Through the preceding inlet wire bridge cable assembly (2) of casing assembly (1) side wall, the input of the rear end breaker (6) is connected
There are the rear inlet wire bridge cable assembly (3) through casing assembly (1) side wall, the front end breaker (5) and rear end open circuit
Be connected with outlet bridge cable assembly (4) through casing assembly (1) side wall after the output end parallel connection of device (6), it is described go out
Line bridge cable assembly (4) is connected to the outer arrester of case and high-tension current inductor.
2. a kind of power locomotive top high-voltage electrical box as claimed in claim 1, it is characterised in that the front end breaker
(5) front voltage transformer (7) is also associated with, the rear end breaker (6) is also associated with rear end voltage transformer (8).
3. a kind of power locomotive top high-voltage electrical box as claimed in claim 1, it is characterised in that the casing assembly
(1) inner high voltage earthed switch (9) is positioned at ground connection position, and the front end breaker (5) and rear end breaker (6) enter line side and outlet
Side is grounded simultaneously respectively.
4. a kind of power locomotive top high-voltage electrical box as claimed in claim 1, it is characterised in that the preceding inlet wire bridge joint
Cable assembly (2), rear inlet wire bridge cable assembly (3) and outlet bridge cable assembly (4) respectively with the side of casing assembly (1)
Wall passes through gland head fixing seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611160436.2A CN106786011B (en) | 2016-12-15 | 2016-12-15 | A kind of power locomotive top high-voltage electrical box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611160436.2A CN106786011B (en) | 2016-12-15 | 2016-12-15 | A kind of power locomotive top high-voltage electrical box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106786011A true CN106786011A (en) | 2017-05-31 |
| CN106786011B CN106786011B (en) | 2019-06-21 |
Family
ID=58889384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611160436.2A Active CN106786011B (en) | 2016-12-15 | 2016-12-15 | A kind of power locomotive top high-voltage electrical box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106786011B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425439A (en) * | 2017-08-18 | 2017-12-01 | 株洲庆云电力机车配件工厂有限公司 | A kind of EMUs high-voltage equipment box and EMUs |
| CN112224026A (en) * | 2020-11-09 | 2021-01-15 | 中车株洲电力机车有限公司 | Locomotive high-voltage control circuit, high-voltage box and locomotive |
| CN113964698A (en) * | 2021-11-24 | 2022-01-21 | 中车大连机车车辆有限公司 | High-pressure tank applicable to high-altitude environment and used for electric locomotive |
| CN114013286A (en) * | 2021-11-26 | 2022-02-08 | 中车大连机车车辆有限公司 | Integrated high-voltage system of electric locomotive roof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201158314Y (en) * | 2008-02-22 | 2008-12-03 | 耿光耀 | Line connection circuit on roof of line circuit breaker |
| JP5606749B2 (en) * | 2010-02-10 | 2014-10-15 | 株式会社東芝 | AC electric car |
| CN202444178U (en) * | 2012-02-16 | 2012-09-19 | 南车株洲电力机车有限公司 | Electric locomotive interior network side cabinet |
| CN104036985B (en) * | 2014-06-09 | 2016-02-24 | 福开尔（西安）电气有限公司 | A kind of earthed switch of double-fracture circuit breaker |
| CN106004448B (en) * | 2016-05-18 | 2019-02-26 | 福开尔（西安）电气有限公司 | A kind of electric locomotive high tension loop is isolated and double main disconnected redundant circuit systems naturally |
| CN206250579U (en) * | 2016-12-15 | 2017-06-13 | 福开尔（西安）电气有限公司 | Power locomotive top High-Voltage Electrical Appliances device |
-
2016
- 2016-12-15 CN CN201611160436.2A patent/CN106786011B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425439A (en) * | 2017-08-18 | 2017-12-01 | 株洲庆云电力机车配件工厂有限公司 | A kind of EMUs high-voltage equipment box and EMUs |
| CN112224026A (en) * | 2020-11-09 | 2021-01-15 | 中车株洲电力机车有限公司 | Locomotive high-voltage control circuit, high-voltage box and locomotive |
| CN112224026B (en) * | 2020-11-09 | 2022-01-18 | 中车株洲电力机车有限公司 | Locomotive high-voltage control circuit, high-voltage box and locomotive |
| CN113964698A (en) * | 2021-11-24 | 2022-01-21 | 中车大连机车车辆有限公司 | High-pressure tank applicable to high-altitude environment and used for electric locomotive |
| CN113964698B (en) * | 2021-11-24 | 2023-11-21 | 中车大连机车车辆有限公司 | High-voltage box applicable to electric locomotive in high-altitude environment |
| CN114013286A (en) * | 2021-11-26 | 2022-02-08 | 中车大连机车车辆有限公司 | Integrated high-voltage system of electric locomotive roof |
| CN114013286B (en) * | 2021-11-26 | 2023-08-15 | 中车大连机车车辆有限公司 | Roof integrated high-voltage system of electric locomotive |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106786011B (en) | 2019-06-21 |
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| CB03 | Change of inventor or designer information |
Inventor after: Zhu Haigang Inventor after: Zhang Yongfu Inventor after: Wang Shaofeng Inventor after: Fan Huijuan Inventor after: Zhang Pei Inventor after: Li Jia Inventor after: Li Xinwei Inventor after: Zhang Chaolei Inventor before: Zhang Yongfu Inventor before: Zhu Haigang Inventor before: Wang Shaofeng Inventor before: Fan Huijuan Inventor before: Zhang Pei Inventor before: Li Jia Inventor before: Li Xinwei Inventor before: Zhang Chaolei |
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