CN202115328U - Power source suitable for supplying power for auxiliary drive device of hybrid locomotive - Google Patents
Power source suitable for supplying power for auxiliary drive device of hybrid locomotive Download PDFInfo
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- CN202115328U CN202115328U CN2011201561024U CN201120156102U CN202115328U CN 202115328 U CN202115328 U CN 202115328U CN 2011201561024 U CN2011201561024 U CN 2011201561024U CN 201120156102 U CN201120156102 U CN 201120156102U CN 202115328 U CN202115328 U CN 202115328U
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- power supply
- inverter
- drive gear
- accessory drive
- locomotive
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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Abstract
The utility model provides a power source suitable for supplying power for an auxiliary drive device of a hybrid locomotive. The technical scheme includes that direct current extracting from a direct-current bus directly is converted into alternating current by the aid of a converter, so that power can be supplied to the auxiliary drive device on the locomotive. The direct current on the direct-current bus can be supplied from an output end of a rectifier, and an input end of the rectifier is connected with an output end of a power supply guiding main power generator, or can be supplied from a power storage battery or a brake feedback energy unit of the locomotive. Due to the fact that a special alternating auxiliary power generator on the locomotive is omitted, an extra rectifier is omitted, and available direct current on the locomotive can be converted into the alternating current to supply power to the auxiliary transmission device. Accordingly, devices are reduced, size of the integral power source can be reduced, and fault rate of the locomotive and work load and cost of equipment maintenance are reduced simultaneously. Further, work efficiency is improved when the power source is compared with a hydraulic auxiliary transmission system.
Description
Technical field
The utility model relates to hybrid locomotrives power supply technique field, particularly a kind of accessory drive gear power supply of suitable hybrid locomotrives power supply.
Background technology
Hybrid locomotrives both can carry out the transmission operation through lithium battery power supply, again can be through diesel engine traction carrying out transmission operation.
Hybrid locomotrives is except running under power needs power supply, and accessory drive gear also needs power supply, and for example, accessory drive gear is air-conditioning, cooling fan etc.
Diesel locomotive exchanges accessory drive gear and mainly contains three kinds in the prior art:
First kind is the mode that hydrostatic drive, mechanical drive and DC machine transmission combine; Diesel engine traction fluid pressing system reaches the purpose of controlling rotation speed of the fan through regulating oil mass; Mechanical drive adopts mechanical connection manner through the operation of diesel engine operation transmission fan through change speed gear box, and air compressor then adopts DC machine to drive operation.
Efficient is low, pollution is big, many drawbacks such as fault rate is high, vibrating noise is big, daily attention difficulty but this mode exists.
The power supply of second kind of auxiliary AC drives adopts the AC-DC-AC pattern; Through the auxiliary generator of on locomotive, increasing exchanges; The alternating current that exchanges auxiliary generator output sends to inverter through behind the rectifier rectification; The dc inverter of inverter after with rectification is alternating current, and the alternating current after the inversion is supplied power for auxiliary AC drives.
But second kind of power supply need increase parts such as pilot alternator and change speed gear box on locomotive, and need in device, increase rectifier separately, and this has increased the equipment on the locomotive, has increased the work capacity of locomotive failure rate and plant maintenance simultaneously.
The third accessory drives is the pole-changing mode.Accessory drive gear is a pole-changing class electrical motor.Power supply is from alternating current generator.Through control intermediate controlled device, contactless switch for example, the number of pole-pairs that changes electrical motor realizes the power regulation of load.
But, the third mode parts such as electrical generator, change speed gear box, pole-changing control housing of need increasing exchanges, and shortcoming such as this mode exists the motor start-up rush of current big, high to the generator capacity requirement, and speed adjustable range is narrow.In a word, all there are many drawbacks in above-mentioned three kinds of power supplys, and therefore, it is the problem that those skilled in the art need solve that the power supply of the auxiliary AC drives that a kind of efficient is high, equipment is few is provided.
The utility model content
The technical matters that the utility model will solve provides a kind of auxiliary AC drives power supply of suitable hybrid locomotrives power supply, and efficiency ratio is higher, equipment is less.
The utility model provides a kind of power supply of hybrid locomotrives accessory drive gear, comprising: inverter and inverter controller;
The input end of said inverter connects dc bus, is alternating current with the dc inverter on the dc bus;
Direct current (DC) on the said dc bus is from the mouth of rectifier, or from power accumulator, or from locomotive brake feedback energy unit; When the direct current (DC) on the dc bus during from the mouth of rectifier, the input end of said rectifier connects the mouth of traction power supply main generator;
The mouth of said inverter connects accessory drive gear;
The on off state of power device in the said inverter controller control inverter is so that the power supply of inverter output preset frequency and amplitude is the accessory drive gear power supply.
Preferably, said inverter is a three-phase full-bridge inverter.
Preferably, said inverter is at least one, and the input end of all inverters connects said dc bus, and the mouth of each inverter is different accessory drive gear power supply.
Preferably, said inverter controller is gathered cab signal, according to the out-put supply of the cab signal control inverter of gathering.
Preferably, the digital controlled signal of said inverter controller receiver vehicle controller.
Preferably, also comprise the DC charging module that is connected between dc bus and the inverter;
This DC charging module comprises reactor, first resistance and first diode; Direct current (DC) on the dc bus is through series connected reactor, first resistance and first diode charge for supporting electric capacity successively;
Said support electric capacity is parallel to the positive input terminal and the negative input end of said inverter.
Preferably, also comprise IGCT between the positive input terminal that is connected in reactor and inverter;
The voltage that inverter controller detects said support electric capacity reaches after the predetermined value; Controlling said DC charging module and said support electric capacity breaks off; The mouth of controlling said DC charging module connects the control end of said IGCT, drives said IGCT conducting and accomplishes process of charging.
Compared with prior art, the utlity model has following advantage:
The auxiliary AC drives power supply of the suitable hybrid locomotrives power supply that the utility model provides is directly got direct current (DC) from dc bus, and inversion is an alternating current through inverter with the direct current (DC) of getting again, thereby supplies power for the accessory drive gear on the locomotive.Direct current (DC) on the dc bus can be from the mouth of rectifier, and the input end of rectifier connects the mouth of traction power supply main generator; Direct current (DC) on the dc bus also can be from power accumulator or from locomotive brake feedback energy unit.This power supply does not need to provide specially on the locomotive interchange auxiliary generator, therefore, does not need the extra rectifier that provides, and is that alternating current comes to supply power for accessory drive gear with existing dc inverter on the locomotive directly.Reduce components and parts like this, therefore, can reduce the volume of whole power supply, reduced the work capacity and the cost of locomotive failure rate and plant maintenance simultaneously.And this power supply has improved work efficiency with respect to the hydraulic pressure accessory drive system.
Description of drawings
Fig. 1 is power supply embodiment one constructional drawing of the auxiliary AC drives of the hybrid locomotrives that provides of the utility model;
Fig. 2 is power supply embodiment two constructionals drawing of the auxiliary AC drives of the hybrid locomotrives that provides of the utility model;
Fig. 3 is that the hybrid locomotrives that the utility model provides is assisted the power supply embodiment three-circuit figure of AC drives.
The specific embodiment
For above-mentioned purpose, the feature and advantage that make the utility model can be more obviously understandable, the specific embodiment of the utility model is done detailed explanation below in conjunction with accompanying drawing.
Referring to Fig. 1, this figure is power supply embodiment one constructional drawing of the auxiliary AC drives of the hybrid locomotrives that provides of the utility model.
The power supply of the hybrid locomotrives accessory drive gear that present embodiment provides comprises: inverter 100 and inverter controller 200;
The input end of said inverter 100 connects dc bus, is alternating current with the dc inverter on the dc bus;
Direct current (DC) on the said dc bus is from the mouth of rectifier 300, or from power accumulator 400, or come locomotive brake feedback energy unit 500; When the direct current (DC) on the dc bus during from the mouth of rectifier 300, the input end of said rectifier 300 connects the mouth of traction power supply main generator 600;
Need to prove, when locomotive in the station during garage, ground power supply can charge for power accumulator 400; When locomotive left the garage operation, main generator 600 can be that power accumulator 400 charges through rectifier.
The mouth of said inverter 100 connects accessory drive gear 700;
The on off state of power device in said inverter controller 200 control inverters 100 is so that the power supply of inverter 100 output preset frequencies and amplitude is accessory drive gear 700 power supplies.
Need to prove, accessory drive gear 700 can for diesel engine cooling fan, ventilating set, air compressor, air-conditioning, etc. the locomotive alternating current equipment.
The auxiliary AC drives power supply of the suitable hybrid locomotrives power supply that the utility model provides is directly got direct current (DC) from dc bus, and inversion is an alternating current through inverter with the direct current (DC) of getting again, thereby supplies power for the accessory drive gear on the locomotive.Direct current (DC) on the dc bus can be from the mouth of rectifier, and the input end of rectifier connects the mouth of traction power supply main generator; Direct current (DC) on the dc bus also can be from power accumulator or from locomotive brake feedback energy unit.This power supply does not need to provide specially on the locomotive interchange auxiliary generator, therefore, rectifier need be provided yet, and is that alternating current comes to supply power for accessory drive gear with existing dc inverter on the locomotive directly.Reduce components and parts like this, therefore, can reduce the volume of whole power supply, reduced the work capacity and the cost of locomotive failure rate and plant maintenance simultaneously.And this power supply has improved work efficiency with respect to the hydraulic pressure accessory drive system.
The power supply of the hybrid locomotrives accessory drive gear that the utility model provides adopts the direct current input, and this direct current input can have two-way, comes from the traction power supply main generator, through the rectifier output DC; Another road direct current (DC) is from storage battery, or locomotive brake feedback energy unit, when main generator does not move, can be that accessory drive gear is supplied power through storage battery still.
Need to prove that the said inverter in the power supply of the hybrid locomotrives accessory drive gear that the utility model provides preferably adopts three-phase full-bridge inverter.
Need to prove; Because more than one of the accessory drive gear on the locomotive; Therefore, said inverter is at least one, and the input end of all inverters connects said dc bus; It is the accessory drive gear power supply that direct supply is transformed to source of AC, and the quantity of accessory drive gear can be equal to or greater than the quantity of inverter.。
Referring to Fig. 2, this figure is power supply embodiment two constructionals drawing of the auxiliary AC drives of the hybrid locomotrives that provides of the utility model.
The difference of the power supply that power supply that present embodiment provides and embodiment one provide is that inverter controller 200 needs to gather cab signal, goes back the digital quantity control signal that receiver vehicle controller 800 sends.
Said inverter controller 200 is gathered cab signal, according to the alternating current of the cab signal control inverter of gathering 100 outputs.
Need to prove that the cab signal that inverter controller 200 is gathered is an analog signal, can be air-conditioner temperature, diesel engine temperature etc.For example, when the air-conditioner temperature of gathering is low, then controlling air-conditioning needn't freeze again.When the diesel engine temperature of gathering is high, then control cooling fan diesel engine is cooled.
The digital controlled signal of inverter controller 200 all right receiver vehicle controllers 800.For example, can produce the digital quantity control signal through the human-computer interaction interface on the coke oven controller 800.Chaufeur can send the digital quantity control signal to inverter controller 200 by operator's machine interactive interface.
Referring to Fig. 3, this figure is that the hybrid locomotrives that the utility model provides is assisted the power supply embodiment three-circuit figure of AC drives.
The power supply that present embodiment provides also comprises the DC charging module that is connected between dc bus and the inverter;
As shown in Figure 3, DC+ representes the anode of dc bus, and DC-representes the negative terminal of dc bus.
Also comprise ground capacitance (C5 and C6) and grounding resistance (R3 and R4) in this inverter, DC-is through series connected C5 and C6 ground connection, and DC-is through series connected R3 and R4 ground connection.
This DC charging module comprises reactor L, first resistance R 1 and the first diode D1; Direct current (DC) on the dc bus is through series connected reactor L, first resistance R 1 and the first diode D1 charge for supporting electric capacity (C3 and C4) successively;
Need to prove,, therefore need two electric capacity (C3 and C4) parallel connection to constitute and support electric capacity because the capacity of an electric capacity is limited.
Said support electric capacity (C3 and C4) is parallel to the positive input terminal and the negative input end of said inverter 100.
As shown in Figure 3, inverter is a three-phase full-bridge inverter, comprises six power devices, is respectively Q1, Q2, Q3, Q4, Q5 and Q6.
Inverter output three plase alternating current is respectively U, V, W.This three plase alternating current is the accessory drive gear power supply.
The power supply that present embodiment provides also comprises the positive input terminal that is connected in inverter 100 and the IGCT V1 between the reactor L.The voltage that inverter controller 200 detects said support electric capacity (C3 and C4) two ends reaches after the predetermined value; Controlling said DC charging module and said support electric capacity (C3 and C4) breaks off; The mouth of controlling said DC charging module connects the control end of said IGCT V1, drives said IGCT V1 conducting.Can realize that specifically the moving contact of inverter controller 200 master cock K1 is connected with the control end of V1 by K switch 1.
In the present embodiment, also the sample current signal of inverter 100 mouths of inverter controller 200, according to the current signal of sampling, the PWM ripple signal of inverter 100 is defeated by in adjustment, and PWM ripple signal is used for the on off state of drives inverter 100 power devices.
Power device in the inverter 100 can adopt IGBT.
Need to prove; Fig. 3 only shows the circuit of an inverter, it is understandable that, the power supply that the utility model provides can comprise a plurality of inverters; Each inverter is one or more accessory drive gear power supplies, thereby be embodied as a plurality of accessory drive gears of whole locomotive power supply is provided.
The power supply that the utility model provides directly utilizes the direct current (DC) that exists on the locomotive, is that alternating current is the accessory drive gear power supply with dc inverter, need not increase extra interchange auxiliary generator and rectifier.Therefore, save device, thereby improved work efficiency.
The above only is the preferred embodiment of the utility model, is not the utility model is done any pro forma restriction.Though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model.Any those of ordinary skill in the art; Do not breaking away under the utility model technical scheme scope situation; All the method for above-mentioned announcement capable of using and technology contents are made many possible changes and modification to the utility model technical scheme, or are revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from the utility model technical scheme, all still belongs in the scope of the utility model technical scheme protection any simple modification, equivalent variations and modification that above embodiment did according to the technical spirit of the utility model.
Claims (7)
1. the accessory drive gear power supply of a suitable hybrid locomotrives power supply is characterized in that, comprising: inverter and inverter controller;
The input end of said inverter connects dc bus, is alternating current with the dc inverter on the dc bus;
Direct current (DC) on the said dc bus is from the mouth of rectifier, or from power accumulator, or from locomotive brake feedback energy unit; When the direct current (DC) on the dc bus during from the mouth of rectifier, the input end of said rectifier connects the mouth of traction power supply main generator;
The mouth of said inverter connects accessory drive gear;
The on off state of power device in the said inverter controller control inverter is so that the power supply of inverter output preset frequency and amplitude is the accessory drive gear power supply.
2. the accessory drive gear power supply of suitable hybrid locomotrives power supply according to claim 1 is characterized in that said inverter is a three-phase full-bridge inverter.
3. the accessory drive gear power supply of suitable hybrid locomotrives power supply according to claim 1; It is characterized in that; Said inverter is at least one, and the input end of all inverters connects said dc bus, and the mouth of each inverter is different accessory drive gear power supply.
4. the accessory drive gear power supply of suitable hybrid locomotrives power supply according to claim 1 is characterized in that said inverter controller is gathered cab signal, according to the out-put supply of the cab signal control inverter of gathering.
5. the accessory drive gear power supply of suitable hybrid locomotrives power supply according to claim 1 is characterized in that the digital controlled signal of said inverter controller receiver vehicle controller.
6. the accessory drive gear power supply of suitable hybrid locomotrives power supply according to claim 1 is characterized in that, also comprises the DC charging module that is connected between dc bus and the inverter;
This DC charging module comprises reactor, first resistance and first diode; Direct current (DC) on the dc bus is through series connected reactor, first resistance and first diode charge for supporting electric capacity successively;
Said support electric capacity is parallel to the positive input terminal and the negative input end of said inverter.
7. the accessory drive gear power supply of suitable hybrid locomotrives power supply according to claim 6 is characterized in that, also comprises the IGCT between the positive input terminal that is connected in reactor and inverter;
The voltage that inverter controller detects said support electric capacity reaches after the predetermined value; Controlling said DC charging module and said support electric capacity breaks off; The mouth of controlling said DC charging module connects the control end of said IGCT, drives said IGCT conducting and accomplishes process of charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201561024U CN202115328U (en) | 2011-05-16 | 2011-05-16 | Power source suitable for supplying power for auxiliary drive device of hybrid locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201561024U CN202115328U (en) | 2011-05-16 | 2011-05-16 | Power source suitable for supplying power for auxiliary drive device of hybrid locomotive |
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| CN202115328U true CN202115328U (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201561024U Expired - Fee Related CN202115328U (en) | 2011-05-16 | 2011-05-16 | Power source suitable for supplying power for auxiliary drive device of hybrid locomotive |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104385932A (en) * | 2014-09-23 | 2015-03-04 | 湖南南车时代电动汽车股份有限公司 | Integrated auxiliary power supply, electric auxiliary system and new energy passenger car |
| CN105099215A (en) * | 2014-05-21 | 2015-11-25 | 济南芯驰能源科技有限公司 | Aircraft ground miniaturization power supply suitable for multiple power supply modes |
| CN106379191A (en) * | 2016-08-30 | 2017-02-08 | 株洲中车时代电气股份有限公司 | Mechanical equipment capable of operating and electric system thereof |
| CN109050542A (en) * | 2018-08-17 | 2018-12-21 | 中车永济电机有限公司 | A kind of double dynamical railcar alternating current drive system of common DC bus |
| CN110979228A (en) * | 2019-12-31 | 2020-04-10 | 智车优行科技（上海）有限公司 | Vehicle, vehicle body protection device and safety protection method |
| CN112389176A (en) * | 2019-08-13 | 2021-02-23 | 纬湃科技投资(中国)有限公司 | Integrated electric drive system and electric vehicle comprising same |
| WO2021109456A1 (en) * | 2019-12-04 | 2021-06-10 | 中车株洲电力机车有限公司 | Electric locomotive and traction circuit thereof |
| CN114148185A (en) * | 2020-09-08 | 2022-03-08 | 株洲变流技术国家工程研究中心有限公司 | Power mode control method and system for super-tonnage hybrid power loader |
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2011
- 2011-05-16 CN CN2011201561024U patent/CN202115328U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099215A (en) * | 2014-05-21 | 2015-11-25 | 济南芯驰能源科技有限公司 | Aircraft ground miniaturization power supply suitable for multiple power supply modes |
| CN104385932A (en) * | 2014-09-23 | 2015-03-04 | 湖南南车时代电动汽车股份有限公司 | Integrated auxiliary power supply, electric auxiliary system and new energy passenger car |
| CN106379191A (en) * | 2016-08-30 | 2017-02-08 | 株洲中车时代电气股份有限公司 | Mechanical equipment capable of operating and electric system thereof |
| CN106379191B (en) * | 2016-08-30 | 2019-07-26 | 株洲中车时代电气股份有限公司 | A kind of mechanical equipment that can be run and its electrical system |
| CN109050542A (en) * | 2018-08-17 | 2018-12-21 | 中车永济电机有限公司 | A kind of double dynamical railcar alternating current drive system of common DC bus |
| CN112389176A (en) * | 2019-08-13 | 2021-02-23 | 纬湃科技投资(中国)有限公司 | Integrated electric drive system and electric vehicle comprising same |
| CN112389176B (en) * | 2019-08-13 | 2021-11-26 | 纬湃科技投资(中国)有限公司 | Integrated electric drive system and electric vehicle comprising same |
| WO2021109456A1 (en) * | 2019-12-04 | 2021-06-10 | 中车株洲电力机车有限公司 | Electric locomotive and traction circuit thereof |
| CN110979228A (en) * | 2019-12-31 | 2020-04-10 | 智车优行科技（上海）有限公司 | Vehicle, vehicle body protection device and safety protection method |
| CN114148185A (en) * | 2020-09-08 | 2022-03-08 | 株洲变流技术国家工程研究中心有限公司 | Power mode control method and system for super-tonnage hybrid power loader |
| CN114148185B (en) * | 2020-09-08 | 2024-02-09 | 株洲变流技术国家工程研究中心有限公司 | Power mode control method and system for ultra-large tonnage hybrid loader |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20190516 |
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| CF01 | Termination of patent right due to non-payment of annual fee |