CN102468775A - Train power supply cabinet for electric locomotive - Google Patents
Train power supply cabinet for electric locomotive Download PDFInfo
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- CN102468775A CN102468775A CN2010105409651A CN201010540965A CN102468775A CN 102468775 A CN102468775 A CN 102468775A CN 2010105409651 A CN2010105409651 A CN 2010105409651A CN 201010540965 A CN201010540965 A CN 201010540965A CN 102468775 A CN102468775 A CN 102468775A
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- supply cabinet
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Abstract
The invention relates to a train power supply cabinet for an electric locomotive. The train power supply cabinet comprises a first power supply cabinet and a second power supply cabinet which have the same structure; the first power supply cabinet and the second power supply cabinet respectively comprise a main circuit and a control box; the main circuit comprises a vacuum contactor and a fast acting fuse which are connected with an alternating current input end; the alternating current input by the alternating current input end is transmitted to the control box through the vacuum contactor; the fast acting fuse is connected with a single phase rectifier bridge, and transmits the alternating current input by the input end to the single phase rectifier bridge, and the alternating current is 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 box; and the direct current is transmitted to the control box through the filter reactor and the filter capacitor, and is output. The train power supply cabinet has high system integration level and is convenient to maintain.
Description
Technical field
The present invention 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 in the electric locomotive of interchange driving type, does not come into operation 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 main circuit is comparatively disperseed (the particularly smoothing reactor of DC side), all do not focus in the train power supply cabinet, cause total system property 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.
Summary of the invention
The train power supply cabinet that the purpose of this invention is to provide a kind of electric locomotive, this train power supply cabinet system integrated level is high, is convenient to safeguard.
The train power supply cabinet of a kind of electric locomotive of the present invention, said train power supply cabinet comprise first powering shelf and second powering shelf that structure is identical, and said first powering shelf and second powering shelf comprise main circuit and control cabinet respectively; Said main circuit comprises vacuum contactor and fast acting fuse that the alternating current input connects, and the alternating current of alternating current input input is transported to control cabinet through vacuum contactor; Fast acting fuse is connected with single-phase rectification bridge, the alternating current of input input is transported to single-phase rectification bridge is rectified into direct current; Single-phase rectification bridge is connected with current sensor, filter reactor and filtering capacitor, and current sensor sampling dc signal feeds back to control cabinet; Direct current is transported to control cabinet output through filter reactor and filtering capacitor.
Preferably; Said individual event rectifier bridge is made up of first diode, second diode, the 3rd diode and the 4th diode; The two ends of said first diode, second diode, the 3rd diode and the 4th diode are a parallelly connected RC circuit respectively, and said RC circuit is made up of with a capacitances in series two resistance parallel connections again.
Preferably, said main circuit also comprises first voltage sensor parallelly connected with said filtering capacitor and second voltage sensor, and first voltage sensor and second voltage sensor are that control cabinet provides voltage feedback signal.
Preferably, said main circuit also comprises the tertiary voltage transducer that is used for ground protection.
Preferably, first voltage sensor, second voltage sensor and tertiary voltage transducer are arranged on the upper right side of first powering shelf and second powering shelf.
Preferably, said main circuit comprises that also the overvoltage that is connected between vacuum contactor and the fast acting fuse absorbs circuit, and overvoltage absorbs circuit and is made up of two resistance and an electric capacity of series connection.
Preferably, said control cabinet is arranged on the upper left side of first powering shelf and second powering shelf.
Preferably, be provided with binding post in the said control cabinet, connect each incoming line and output line.
Compared with prior art, the present invention has the following advantages:
Inner integrated complete main circuit of train power supply cabinet and the required whole devices of electric power supply control system, level of integrated system is high, can effectively reduce the locomotive wiring, reduces main engine plants' construction cost and difficulty of construction.
Description of drawings
Fig. 1 is a train power supply tank bracket composition of the present invention;
Fig. 2 is train power supply cabinet circuit theory diagrams of the present invention.
Embodiment
For make above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, below in conjunction with accompanying drawing and embodiment the present invention done further detailed explanation.
Referring to Fig. 1; Train power supply tank bracket structure of the present invention is shown; The present invention is according to the spatial placement 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 main circuit (containing smoothing reactor) and electric power supply control system in each train power supply cabinet.The locomotive power supply Centralized Controller that cancellation is outside is introduced the train power supply cabinet with relevant passenger vehicle signal, by the electric power supply control system Unified Treatment.Strengthen the informationization design of train power supply cabinet, the input voltage of train power supply cabinet, input current, output voltage, output current, fault message, powering shelf switch state signal, passenger vehicle signal, electric degree information etc. are sent to driving position with the mode of communication.
Bolted Joints is all passed through in all interchange inputs of the present invention and direct current output from the place ahead, cabinet bottom, control signal wire and control power line 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 cabinet, and the right is voltage sensor, auxiliary relay, SHCM module and kilowatt-hour meter etc.The rear portion is dc flat-wave reactor, blower fan.The bottom is rectifier, A.C. contactor, filter capacitor, current sensor etc.
The train power supply cabinet fills part and has considered safety and maintenance requirement, and all end carries out all operations from the corridor.The Xiamen is equipped with in the powering shelf front, operation and test control cabinet when being convenient to on-line operation to the doorstep, kilowatt-hour meter and circuit breaker; The Xiamen can opening operation after outage.The structural 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 circuit theory diagrams are shown, the circuit of train power supply cabinet is divided into main circuit, auxiliary circuit, control circuit and four parts of electronic circuit.
Main circuit: specified alternating voltage 860V imports from 151/161,152/162 end; Through vacuum contactor 13KM and fast acting fuse 11FU to single-phase rectification bridge and current sensor 11SC, through filter reactor 13L in the powering shelf cabinet and the filtering capacitor 19C output dc voltage 600V in the cabinet.The AC side of rectifier bridge, parallel connection overvoltage absorption circuit and the control formed by resistance 21R, electric capacity 17C and piezo-resistance 13RV use synchrotrans.Simultaneously, when AC side had the component breakdown short circuit, fast acting fuse can be protected by quick fuse, and the disjunction main circuit is avoided the further expansion of fault.Each element two ends parallel connection RC is used for the commutation overvoltage of absorber element in the rectifier bridge.DC side also has unloaded resistance R 5 and detection flow sensor 11SC, and ground connection divider resistance 1R1,1R2, voltage sensor 13SV are used for ground protection.Voltage sensor 11SV, 12SV are respectively control cabinet A, the B group provides voltage feedback signal.
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 ventilation blower M1 by the locomotive inverter power supply is responsible for carrying out air blast 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 auxiliary relay 13KA;
Collection is controlled the control of signal: control system receives passenger vehicle and sends power supply application signal here, and sees power supply permission signal off through closed auxiliary relay 14KA and give passenger vehicle.
Electronic circuit:
Electric power supply control system compares through the preset value and the voltage feedback signal of given time-delay integral element; Carry out the adjuster computing and draw the trigger angle of thyristor; Through the trigger impulse module of Synchronous Processing and power amplification link control thyristor, control the open-minded of thyristor through isolation processing.
As shown in Figure 2; 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.
Information as shown in Figure 2, that network interface card is collected electric power supply control system and kilowatt-hour meter through 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, input current, output voltage, output current, fault message, powering shelf switch state signal, passenger vehicle signal, electric degree information.
Train power supply cabinet of the present invention has the following advantages:
1) inner integrated complete main circuit (containing smoothing reactor) of train power supply cabinet and the required whole devices of electric power supply control system, level of integrated system is high, can effectively reduce the locomotive wiring, reduces main engine plants' construction cost and difficulty of construction.
2) the outside 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 through communication sends to driving position with the input voltage of train power supply cabinet, input current, output voltage, output current, fault message, powering shelf switch state signal, passenger vehicle signal, electric degree information etc.; Can make locomotive increase failure diagnosis and promotion locomotive informationization like this, improve the efficient of Maintenance and Repair.
The present invention also can integrate power supply control cabinet, kilowatt-hour meter and network interface card, and the signal transmission also can be carried out through alternate manner.
The above is merely preferred implementation of the present invention, does not constitute the qualification to protection range of the present invention.Any any modification of within spirit of the present invention and principle, being done, be equal to replacement and improvement etc., all should be included within the claim protection range of the present invention.
Claims (8)
1. the train power supply cabinet of an electric locomotive is characterized in that, said train power supply cabinet comprises first powering shelf and second powering shelf that structure is identical, and said first powering shelf and second powering shelf comprise main circuit and control cabinet respectively;
Said main circuit comprises vacuum contactor and fast acting fuse that the alternating current input connects, and the alternating current of alternating current input input is transported to control cabinet through vacuum contactor; Fast acting fuse is connected with single-phase rectification bridge, the alternating current of input input is transported to single-phase rectification bridge is rectified into direct current; Single-phase rectification bridge is connected with current sensor, filter reactor and filtering capacitor, and current sensor sampling dc signal feeds back to control cabinet; Direct current is transported to control cabinet output through filter reactor and filtering capacitor.
2. train power supply cabinet as claimed in claim 1; It is characterized in that; Said individual event rectifier bridge is made up of first diode, second diode, the 3rd diode and the 4th diode; The two ends of said first diode, second diode, the 3rd diode and the 4th diode are a parallelly connected RC circuit respectively, and said RC circuit is made up of with a capacitances in series two resistance parallel connections again.
3. train power supply cabinet as claimed in claim 1; It is characterized in that; Said main circuit also comprises first voltage sensor parallelly connected with said filtering capacitor and second voltage sensor, and first voltage sensor and second voltage sensor are that control cabinet provides voltage feedback signal.
4. train power supply cabinet as claimed in claim 3 is characterized in that, said main circuit also comprises the tertiary voltage transducer 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 transducer 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, said main circuit comprises that also the overvoltage that is connected between vacuum contactor and the fast acting fuse absorbs circuit, and overvoltage absorbs circuit and is made up of two resistance and an electric capacity of series connection.
7. train power supply cabinet as claimed in claim 1 is characterized in that said control cabinet 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 binding post in the said control cabinet, connects each incoming line and output line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105409651A CN102468775A (en) | 2010-11-11 | 2010-11-11 | Train power supply cabinet for electric locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105409651A CN102468775A (en) | 2010-11-11 | 2010-11-11 | Train power supply cabinet for electric locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102468775A true CN102468775A (en) | 2012-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105409651A Pending CN102468775A (en) | 2010-11-11 | 2010-11-11 | Train power supply cabinet for electric locomotive |
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| CN (1) | CN102468775A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616597A (en) * | 2013-11-29 | 2014-03-05 | 中国北车集团大连机车研究所有限公司 | Miniwatt simulation testing platform of electric locomotive train power supply device |
| CN103955201A (en) * | 2014-03-31 | 2014-07-30 | 苏州市万松电气有限公司 | Power supply electric cabinet for train |
| CN105048296A (en) * | 2015-07-09 | 2015-11-11 | 北京赛德高科铁道电气科技有限责任公司 | DC600V train power supply cabinet |
| CN105048296B (en) * | 2015-07-09 | 2018-06-01 | 北京赛德高科铁道电气科技有限责任公司 | A kind of DC600V train power supplies cabinet |
| CN108123376A (en) * | 2016-11-28 | 2018-06-05 | 中车大同电力机车有限公司 | A kind of new type train powering shelf |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202016464U (en) * | 2010-11-11 | 2011-10-26 | 株洲南车时代电气股份有限公司 | Train power supply cabinet of electric locomotive |
| CN102420388A (en) * | 2010-09-28 | 2012-04-18 | 株洲南车时代电气股份有限公司 | Train power cube for alternating current drive locomotive |
-
2010
- 2010-11-11 CN CN2010105409651A patent/CN102468775A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420388A (en) * | 2010-09-28 | 2012-04-18 | 株洲南车时代电气股份有限公司 | Train power cube for alternating current drive locomotive |
| CN202016464U (en) * | 2010-11-11 | 2011-10-26 | 株洲南车时代电气股份有限公司 | Train power supply cabinet of electric locomotive |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616597A (en) * | 2013-11-29 | 2014-03-05 | 中国北车集团大连机车研究所有限公司 | Miniwatt simulation testing platform of electric locomotive train power supply device |
| CN103616597B (en) * | 2013-11-29 | 2016-09-14 | 中车大连机车研究所有限公司 | Electric locomotive train power supply device small-power simulator stand |
| CN103955201A (en) * | 2014-03-31 | 2014-07-30 | 苏州市万松电气有限公司 | Power supply electric cabinet for train |
| CN105048296A (en) * | 2015-07-09 | 2015-11-11 | 北京赛德高科铁道电气科技有限责任公司 | DC600V train power supply cabinet |
| CN105048296B (en) * | 2015-07-09 | 2018-06-01 | 北京赛德高科铁道电气科技有限责任公司 | A kind of DC600V train power supplies cabinet |
| CN108123376A (en) * | 2016-11-28 | 2018-06-05 | 中车大同电力机车有限公司 | A kind of new type train powering shelf |
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Application publication date: 20120523 |