CN202016464U - Train power supply cabinet of electric locomotive - Google Patents
Train power supply cabinet of electric locomotive Download PDFInfo
- Publication number
- CN202016464U CN202016464U CN201020603007XU CN201020603007U CN202016464U CN 202016464 U CN202016464 U CN 202016464U CN 201020603007X U CN201020603007X U CN 201020603007XU CN 201020603007 U CN201020603007 U CN 201020603007U CN 202016464 U CN202016464 U CN 202016464U
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- power supply
- supply cabinet
- train power
- voltage sensor
- train
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Abstract
The utility model relates to a train power supply cabinet of an electric locomotive. The train power supply cabinet comprises a first power supply cabinet and a second power supply cabinet, which have identical structures; both the first power supply cabinet and the second power supply cabinet comprise main circuits and control cabinets; each main circuit comprises a vacuum contactor and a quick fuse, which are connected with the input end of alternate current, and alternate current inputted by the input end of the alternate current is conveyed to a single-phase rectifier bridge through the vacuum contactor; the quick fuse is connected with the single-phase rectifier bridge and conveys the alternate current inputted by the input end to the single-phase rectifier bridge for being rectified into direct current; the single-phase rectifier bridge is connected with a current sensor, a filter reactor and a filter capacitor, and the current sensor samples direct current signals and feeds the direct current signals back to the control cabinet; and the direct current is outputted through the filter reactor and the filter capacitor. The train power supply cabinet has the advantages of high system integrated level and convenience in maintenance.
Description
Technical field
The utility model relates to the electric locomotive field, particularly a kind of electric locomotive train power supply cabinet.
Background technology
For promoting the railway energy saving consumption reduction, improve transport benefits, mass cancellation generator car, the DC600V power supply system of train of popularization electric locomotive.At present, electric locomotive train power supply cabinet uses in the AC-DC electric locomotive of multiple model on a large scale, but is not exchanging place in operation in the driving type electric locomotive as yet.
At present, fully independently current supply circuit of two covers is arranged in the electric locomotive train power supply cabinet, the schematic circuit of two cover current supply circuits is identical.There is following shortcoming in the train power supply cabinet of this structure:
1) owing to part of devices in the train power supply power circuit is comparatively disperseed (the particularly smoothing reactor of DC side), all do not focus in the train power supply cabinet, cause total system relatively poor, locomotive cable consumption increases, and main engine plants' construction cost and difficulty of construction are higher;
2) function of locomotive power supply Centralized Controller is not considered in train power supply cabinet inside, need externally increase this equipment, causes the intermediate treatment link too many, and the probability that the train power supply cabinet breaks down increases;
3) train power supply cabinet and driving position Content of communciation are less, and VD, average anode current and partial fault information are only arranged, and are not easy to search fault.
The utility model content
The purpose of this utility model provides a kind of train power supply cabinet of electric locomotive, and this train power supply cabinet system integrated level height is convenient to safeguard.
The train power supply cabinet of a kind of electric locomotive of the utility model, described train power supply cabinet comprise first powering shelf and second powering shelf that structure is identical, and described first powering shelf and second powering shelf comprise power circuit and control box respectively; Described power circuit comprises alternating current input end bonded assembly vacuum contactor and quick acting fuse, and the alternating current of alternating current input end input is transported to single-phase rectification bridge through vacuum contactor; Quick acting fuse is connected with single-phase rectification bridge, the alternating current of input end input is transported to single-phase rectification bridge is rectified into direct current (DC); Single-phase rectification bridge is connected with current sensor, filter reactor and filter capacitor, and current sensor sampling dc signal feeds back to control box; Direct current (DC) is by filter reactor and filter capacitor output.
Preferably, described individual event rectifier bridge is made up of first diode, second diode, the 3rd thyristor and the 4th thyristor, and the two ends of described first diode, second diode, the 3rd thyristor and the 4th thyristor are a RC circuit in parallel respectively.
Preferably, described power circuit also comprises first voltage sensor in parallel with described filter capacitor and second voltage sensor, and first voltage sensor and second voltage sensor provide voltage feedback signal for control box.
Preferably, described power circuit also comprises the tertiary voltage sensor that is used for ground protection.
Preferably, first voltage sensor, second voltage sensor and tertiary voltage sensor are arranged on the upper right side of first powering shelf and second powering shelf.
Preferably, described power circuit comprises that also the over voltage that is connected between vacuum contactor and the quick acting fuse absorbs circuit, and over voltage absorbs circuit and is made up of series connected two resistance and an electric capacity.
Preferably, described control box is arranged on the upper left side of first powering shelf and second powering shelf.
Preferably, be provided with connection terminal in the described control box, connect and respectively import line and output line.
Compared with prior art, the utlity model has following advantage:
Inner integrated complete power circuit of train power supply cabinet and the required whole devices of electric power supply control system, the level of integrated system height can effectively reduce the locomotive wiring, reduces main engine plants' construction cost and difficulty of construction.
Description of drawings
Fig. 1 is the utility model train power supply tank bracket composition;
Fig. 2 is the utility model train power supply cabinet schematic circuit diagram.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1, the utility model train power supply tank bracket structure is shown, the utility model is according to the spatial destribution of electric locomotive, independently be divided into 2 identical train power supply cabinets in the train power supply loop with originally focusing on 2 tunnel in 1 powering shelf, all comprised independently power circuit (containing smoothing reactor) and electric power supply control system in each train power supply cabinet.Cancel exterior locomotive power supply Centralized Controller, relevant passenger vehicle signal is introduced the train power supply cabinet, handle by electric power supply control system is unified.Strengthen the informationization design of train power supply cabinet, the input voltage of train power supply cabinet, received current, output voltage, outgoing current, failure message, powering shelf switch state signal, passenger vehicle signal, electric degree information etc. are sent to driving position in the mode of communication.
Bolted Joints is all passed through in all interchange inputs of the utility model and direct current output from the place ahead, cabinet bottom, control signal wire and control power lead pass through a rectangular connector and connect from the cabinet top.The cabinet lower end is provided with earth stud.The wiring of external communication inlet wire and direct current outlet all passes in and out from the cabinet front lower
The train power supply cashier's office in a shop left side, portion zone is a control box, and the right is voltage sensor, intermediate relay, SHCM module and watthour meter etc.The rear portion is dc flat-wave reactor, blower fan.The bottom is single-phase rectification bridge, AC contactor, filter capacitor, current sensor etc.
The train power supply cabinet fills part and has considered safety and maintenance requirement, and all operations all carries out from the corridor end.The Xiamen is equipped with in the powering shelf front, operation and test control box when being convenient to on-line operation to the doorstep, watthour meter and circuit breaker; The Xiamen can opening operation after outage.The structure design of this device has taken into full account safety and easy to maintenance, and the dismounting of all parts all can the past door operation.
Referring to Fig. 2, train power supply cabinet schematic circuit diagram are shown, the circuit of train power supply cabinet is divided into power circuit, auxiliary circuit, control circuit and four parts of electronic circuit.
Power circuit: specified alternating-current voltage/AC voltage 860V imports from 151/161,152/162 end, through vacuum contactor 13KM and quick acting fuse 11FU to single-phase rectification bridge and current sensor 11SC, by filter reactor 13L in the powering shelf cabinet and the filter capacitor 19C output dc voltage 600V in the cabinet.The AC side of rectifier bridge, over voltage absorption circuit and the control synchronous transformer of forming by resistance 21R, electric capacity 17C and pizo-resistance 13RV in parallel.Simultaneously, when AC side had the component breakdown short circuit, quick acting fuse can be protected by quick fuse, and the disjunction power circuit is avoided the further expansion of fault.Each element two ends RC in parallel is used for the commutation over voltage of absorber element in the rectifier bridge.DC side also has unloaded resistance R 5 and detection to use current sensor 11SC, and ground connection divider resistance 1R1,1R2, voltage sensor 13SV are used for ground protection.Voltage sensor 11SV, 12SV are respectively control box A, B group voltage feedback signal are provided.
Auxiliary circuit: the train power supply cabinet has adopted power component rectification and DC load resistance and has exchanged resistance-capacitance protection, all can produce heat, needs to ventilate to take away.Three-phase alternating current 380V ventilating set M1 by the locomotive inverter power supply is responsible for carrying out force-air cooling.When blower fan is not closed, do not allow the train power supply cabinet to devote oneself to work, in order to avoid damage device.
Control circuit:
The control of vacuum contactor: the splice grafting tentaculum signal from control system passes through the closed vacuum contactor 13KM of intermediate relay 13KA;
Collection is controlled the control of signal: control system receives passenger vehicle and sends power supply application signal here, and sends power supply permission signal by closed intermediate relay 14KA and give passenger vehicle.
Electronic circuit:
Electric power supply control system compares by the preset value and the voltage feedback signal of given time-delay integral element, carry out the regulating control computing and draw the trigger angle of thyristor, by the trigging pulse module of synchronous processing and power gain link control thyristor, control the open-minded of thyristor through isolation processing.
As shown in Figure 7; passenger vehicle signal before electric power supply control system receives in the locomotive power supply Centralized Controller; and possess and guarantee the centralized control functions of locomotive to bus safety power supply; be that electric power supply control system is confirming that the passenger vehicle power work has sent under the situation of power supply application signal normally; locomotive sends power supply to passenger vehicle and allows signal, delayed startup DC600V output simultaneously.
As shown in Figure 7, the information that network interface card is collected electric power supply control system and watthour meter by the RS485 communication modes sends to driving position with above information according to communications protocol then.Communication information comprises train power supply cabinet input voltage, received current, output voltage, outgoing current, failure message, powering shelf switch state signal, passenger vehicle signal, electric degree information.
The utility model train power supply cabinet has the following advantages:
1) inner integrated complete power circuit (containing smoothing reactor) of train power supply cabinet and the required whole devices of electric power supply control system, the level of integrated system height can effectively reduce the locomotive wiring, reduces main engine plants' construction cost and difficulty of construction.
2) the exterior locomotive power supply Centralized Controller of cancellation reduces main engine plants' purchase cost, reduces the intermediate controlled link, reduces the locomotive wiring, reduces the probability that goes wrong.
3) mode by communication sends to driving position with the input voltage of train power supply cabinet, received current, output voltage, outgoing current, failure message, powering shelf switch state signal, passenger vehicle signal, electric degree information etc., can make locomotive increase trouble diagnosing and promotion locomotive informationization like this, improve the efficient of Maintenance and Repair.
The utility model also can be integrated power supply control box, watthour meter and network interface card, and the signal transmission also can be undertaken by alternate manner.
The above only is a preferred implementation of the present utility model, does not constitute the qualification to the utility model protection domain.Any any modification of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the claim protection domain of the present utility model.
Claims (8)
1. the train power supply cabinet of an electric locomotive is characterized in that, described train power supply cabinet comprises first powering shelf and second powering shelf that structure is identical, and described first powering shelf and second powering shelf comprise power circuit and control box respectively;
Described power circuit comprises alternating current input end bonded assembly vacuum contactor and quick acting fuse, and the alternating current of alternating current input end input is transported to single-phase rectification bridge through vacuum contactor; Quick acting fuse is connected with single-phase rectification bridge, the alternating current of input end input is transported to single-phase rectification bridge is rectified into direct current (DC); Single-phase rectification bridge is connected with current sensor, filter reactor and filter capacitor, and current sensor sampling dc signal feeds back to control box; Direct current (DC) is by filter reactor and filter capacitor output.
2. train power supply cabinet as claimed in claim 1, it is characterized in that, described individual event rectifier bridge is made up of first diode, second diode, the 3rd thyristor and the 4th thyristor, and the two ends of described first diode, second diode, the 3rd thyristor and the 4th thyristor are a RC circuit in parallel respectively.
3. train power supply cabinet as claimed in claim 1, it is characterized in that, described power circuit also comprises first voltage sensor in parallel with described filter capacitor and second voltage sensor, and first voltage sensor and second voltage sensor provide voltage feedback signal for control box.
4. train power supply cabinet as claimed in claim 3 is characterized in that, described power circuit also comprises the tertiary voltage sensor that is used for ground protection.
5. train power supply cabinet as claimed in claim 3 is characterized in that, first voltage sensor, second voltage sensor and tertiary voltage sensor are arranged on the upper right side of first powering shelf and second powering shelf.
6. train power supply cabinet as claimed in claim 1 is characterized in that, described power circuit comprises that also the over voltage that is connected between vacuum contactor and the quick acting fuse absorbs circuit, and over voltage absorbs circuit and is made up of series connected two resistance and an electric capacity.
7. train power supply cabinet as claimed in claim 1 is characterized in that described control box is arranged on the upper left side of first powering shelf and second powering shelf.
8. train power supply cabinet as claimed in claim 1 is characterized in that, is provided with connection terminal in the described control box, connects respectively to import line and output line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020603007XU CN202016464U (en) | 2010-11-11 | 2010-11-11 | Train power supply cabinet of electric locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020603007XU CN202016464U (en) | 2010-11-11 | 2010-11-11 | Train power supply cabinet of electric locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202016464U true CN202016464U (en) | 2011-10-26 |
Family
ID=44810139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020603007XU Expired - Lifetime CN202016464U (en) | 2010-11-11 | 2010-11-11 | Train power supply cabinet of electric locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202016464U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102468775A (en) * | 2010-11-11 | 2012-05-23 | 株洲南车时代电气股份有限公司 | Train power supply cabinet for electric locomotive |
| CN109639159A (en) * | 2018-12-18 | 2019-04-16 | 辽宁恒顺新能源科技有限公司 | High-voltage rectifying system |
-
2010
- 2010-11-11 CN CN201020603007XU patent/CN202016464U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102468775A (en) * | 2010-11-11 | 2012-05-23 | 株洲南车时代电气股份有限公司 | Train power supply cabinet for electric locomotive |
| CN109639159A (en) * | 2018-12-18 | 2019-04-16 | 辽宁恒顺新能源科技有限公司 | High-voltage rectifying system |
| CN109639159B (en) * | 2018-12-18 | 2024-04-02 | 辽宁恒顺新能源科技有限公司 | High-voltage rectifying system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" | ||
| CP03 | "change of name, title or address" |
Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road Patentee before: ZHUZH CSR TIMES ELECTRIC Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111026 |