CN110165654A - Rail traffic hydrogen fuel cell electrical system framework - Google Patents
Rail traffic hydrogen fuel cell electrical system framework Download PDFInfo
- Publication number
- CN110165654A CN110165654A CN201910407329.2A CN201910407329A CN110165654A CN 110165654 A CN110165654 A CN 110165654A CN 201910407329 A CN201910407329 A CN 201910407329A CN 110165654 A CN110165654 A CN 110165654A
- Authority
- CN
- China
- Prior art keywords
- fuel cell
- converter
- power supply
- train
- auxiliary system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2457—Grouping of fuel cells, e.g. stacking of fuel cells with both reactants being gaseous or vaporised
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/30—The power source being a fuel cell
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
Rail traffic provided by the invention hydrogen fuel cell electrical system framework, comprising: train power supply and the fuel cell pile that electricity is generated by electrochemical reaction；The DC converter being connected with the output of the fuel cell pile and train power supply；The energy allocation unit and control unit being connected with the output of the DC converter；The DC converter includes simultaneously boost module and voltage reduction module；The electricity of the fuel cell pile output is Electric load and the auxiliary system high voltage parts power supply of fuel cell auxiliary system after the boost module of the DC converter boosts pressure stabilizing；The electricity of the train power supply output is the power supply of the auxiliary system low pressure components of described control unit and fuel cell auxiliary system after the decompression of the voltage reduction module of the DC converter.The present invention is able to satisfy the power demands of different voltages grade component inside and outside fuel cell system.
Description
Technical field
The present invention relates to fuel cell fields, especially, are related to a kind of rail traffic hydrogen fuel cell electrical system frame
Structure.
Background technique
Common fuel cell is a kind of power generator for chemical energy possessed by fuel being directly changed into electric energy, fuel
Battery system energy conversion efficiency is high, is ideal energy utilization patterns, there is before wide development for commercial applications
Scape has important research significance.
At present in traffic and transport field, fuel cell generation mainly uses hydrogen-oxygen proton exchange membrane fuel cell
(PEMFC), have the benefits such as operating temperature is low, generating efficiency is high, operating condition is stably and controllable, Zero-discharge non-pollution.
Fuel cell system is substantially a kind of power generator, but its electrical system is complex, mainly by fuel electricity
The portions such as pond pile, dcdc converter, energy allocation unit, auxiliary system electric components, control unit and low-voltage fuse box
Part composition, therefore the design level of electrical system will directly affect the performance and safety of fuel cell system.
Existing vehicle-mounted fuel cell system is chiefly used in matching passenger car, commercial vehicle, the road vehicles such as car, and city rail
Traffic busbar voltage is higher than conventional onboard system voltage.Busbar voltage level is not achieved in fuel cell pile output voltage, and
The operating voltage ranges such as auxiliary system electric components such as air compressor, water pump cannot completely compatible busbar voltage range；Control
Unit processed includes the operating voltage of the low-voltages components such as ECU and sensor and the DC low-voltage range that urban track traffic provides
It can not be directly compatible with.Therefore existing fuel cell system is in urban track traffic using there are high-low pressure voltage is incompatible
Problem.
Summary of the invention
In view of the foregoing, it is an object to provide a kind of rail traffic hydrogen fuel cell electrical system frame
Structure is able to satisfy the power demands of different voltages grade component inside and outside fuel cell system.
For this purpose, the present invention adopts the following technical scheme:
Rail traffic provided by the invention hydrogen fuel cell electrical system framework, comprising:
Train power supply and the fuel cell pile that electricity is generated by electrochemical reaction；
The DC converter being connected with the output of the fuel cell pile and train power supply；
The energy allocation unit and control unit being connected with the output of the DC converter；
The DC converter includes simultaneously boost module and voltage reduction module；The electricity of the fuel cell pile output is through described straight
It is Electric load and the auxiliary system high pressure zero of fuel cell auxiliary system after the boost module boosting pressure stabilizing of current converter
Component power supply；The electricity of train power supply output after the decompression of the voltage reduction module of the DC converter for described control unit and
The auxiliary system low pressure components of fuel cell auxiliary system are powered.
According to the present invention, fuel cell pile output electricity through DC converter boost pressure stabilizing after for Electric load and
The power supply of auxiliary system high voltage parts；The electricity of train power supply output is control unit and auxiliary system after DC converter is depressured
Low pressure components power supply, it is possible thereby to meet the power demands of different voltages grade component inside and outside fuel cell system.
It is also possible in the present invention, further includes that the train energy-storage battery being connected with the energy allocation unit and train are auxiliary
Inverter is helped, the energy allocation unit includes the fuse for being connected to the fuel cell auxiliary system, and is separately connected
To the contactor of the train energy-storage battery and train subordinate inverter.
According to the present invention, it can be achieved that electrical couplings between fuel cell system and train energy storage and subordinate inverter.
It is also possible in the present invention, further includes the insurance being connected between the DC converter and described control unit
Silk box.Thus, it is possible to play the role of protecting circuit.
Detailed description of the invention
Fig. 1 shows the rail traffic of the invention structural schematic diagram of hydrogen fuel cell electrical system framework；
Appended drawing reference:
1, fuel cell pile；
2, DC converter (dcdc converter)；
3, energy allocation unit (PDU)；
4, Electric loads；
5, train energy-storage battery (BAT)；
6, train subordinate inverter (SIV)；
7, fuel cell auxiliary system (BOP)；
8, train power supply；
9, control unit (ECU)；
10, fuse box.
Specific embodiment
The present invention is further illustrated below in conjunction with attached drawing and following embodiments, it should be appreciated that attached drawing and following embodiments
It is merely to illustrate the present invention, is not intended to limit the present invention.
For rail traffic hydrogen fuel cell electrical system framework in the prior art, there are high-low pressure voltage is incompatible
Problem, the present invention there is provided herein a kind of rail traffic hydrogen fuel cell electrical system framework, comprising: train power supply and pass through
Electrochemical reaction generates the fuel cell pile of electricity；The direct current being connected with the output of the fuel cell pile and train power supply becomes
Parallel operation；The energy allocation unit and control unit being connected with the output of the DC converter；The DC converter wraps simultaneously
Include boost module and voltage reduction module；Boost module boosting of the electricity of the fuel cell pile output through the DC converter is steady
It is Electric load and the auxiliary system high voltage parts power supply of fuel cell auxiliary system after pressure；The train power supply output
Electricity be the auxiliary system of described control unit and fuel cell auxiliary system after the decompression of the voltage reduction module of the DC converter
Low pressure components of uniting are powered.
Fig. 1 shows the rail traffic of the invention structural schematic diagram of hydrogen fuel cell electrical system framework.Such as Fig. 1 institute
Show, rail traffic of the invention with hydrogen fuel cell electrical system framework specifically include that fuel cell pile 1, train power supply 8,
DC converter (dcdc converter) 2, energy allocation unit 3, fuel cell auxiliary system 7 and control unit 9.
Specifically, train power supply 8 is the train low-tension supply for being capable of providing low-voltage.Fuel cell auxiliary system 7 can wrap
Include auxiliary system high voltage parts and auxiliary system low pressure components.
Above-mentioned auxiliary system high voltage parts, which specifically include that, provides the air compressor of oxidant for fuel cell pile 1,
The water circulating pump of circulation waterway power is provided for the heat dissipation of fuel cell pile 1, and quickly increases water route under cryogenic
The ptc heater etc. of temperature.This type component power is larger, and using High Voltage Power Supply, having reduces supply current, reduces cable
The advantages such as diameter.
Above-mentioned auxiliary system low pressure components include valve class actuator, radiator fan, the hydrogen circulation for hydrogen recycling
Pump etc.；This type component power is relatively small, generallys use low-voltage power supply mode at present.And as system power increases, heat dissipation
Demand increases, and the device powers such as hydrogen gas circulating pump, radiator fan surge, and also may be selected by the way of High Voltage Power Supply at this time.
Above-mentioned fuel cell pile 1 is hydrogen fuel cell pile, electricity is generated by electrochemical reaction, through dcdc converter 2
Energy allocation unit 3 is accessed after boosting pressure stabilizing, loads the power supply such as 4 and auxiliary system high voltage parts for Electric.Train is low
Voltage source 8 is powered after the decompression of dcdc converter 2 for control unit 9 and auxiliary system low pressure components etc..
2 inside of dcdc converter is configured with boost module and voltage reduction module simultaneously.Boost module is used for fuel cell electricity
Auxiliary system high pressure zero of Electric load 4 and fuel cell auxiliary system is delivered to after the electric boost pressure stabilizing that heap 1 exports
Part.Boost module can be using any circuit structure that input voltage boosting pressure stabilizing may be implemented.Voltage reduction module is used for train
The auxiliary system low pressure components of control unit 9 and fuel cell auxiliary system are delivered to after the electricity decompression that power supply 8 exports.Decompression
Module can be using any circuit structure that input voltage decompression may be implemented.
Specifically, the boost in voltage pressure stabilizing that boost module exports fuel cell pile 1, with rail traffic busbar voltage phase
Matching, to load the power supply such as 4 and auxiliary system high voltage parts to Electric.Voltage reduction module includes two output voltage grades
Functional block, all the way for auxiliary system power component supplemented by the decompression of bus high voltage to be powered, another way provides rail traffic
Train power supply 8 be depressured, for control unit 9 power.
In addition, as shown in Figure 1, further including the train energy-storage battery 5 being connected with energy allocation unit 3 and column in this framework
Vehicle subordinate inverter 6.In the present invention, energy allocation unit 3 can be high-tension electricity distributor box.Energy allocation unit 3 mainly by
Fuse and contactor etc. are constituted, and have the function of overcurrent protection, entirely controlled.Specifically, energy allocation unit 3 includes connection
To the fuse (FUSE) of fuel cell auxiliary system 7, and it is respectively connected to train energy-storage battery 5 and train subordinate inverter
6 contactor, contactor can be high-voltage DC contactor.Before fuel cell system power generation, closure connection train energy storage
The contactor of battery 5 is powered for fuel cell auxiliary system 7, is train energy-storage battery when fuel cell system works normally
5 chargings, and electric energy is provided for load.Before fuel cell system is shut down, the contactor of closure connection train subordinate inverter 6 can
To be switched to the power supply of load supplying.
The electrical couplings between hydrogen fuel cell system and train energy storage and subordinate inverter, while energy can be achieved in the present invention
Meet the power demands of different voltages grade component inside and outside fuel cell system.
In addition, also as shown in Figure 1, being also connected with fuse box 10, between dcdc converter 2 and control unit 9 to rise
To the effect of protection circuit.
Under the objective for not departing from essential characteristic of the invention, the present invention can be presented as diversified forms, therefore in the present invention
Implementation form be to be illustrative rather than definitive thereof, limited since the scope of the present invention is defined by the claims rather than by specification,
And all changes fallen in the full scope of equivalents of the range that claim defines or the range that it is defined be understood to include
In detail in the claims.
Claims (3)
1. a kind of rail traffic hydrogen fuel cell electrical system framework characterized by comprising
Train power supply and the fuel cell pile that electricity is generated by electrochemical reaction；
The DC converter being connected with the output of the fuel cell pile and train power supply；
The energy allocation unit and control unit being connected with the output of the DC converter；
The DC converter includes simultaneously boost module and voltage reduction module；The electricity of the fuel cell pile output is through described straight
It is Electric load and the auxiliary system high pressure zero of fuel cell auxiliary system after the boost module boosting pressure stabilizing of current converter
Component power supply；The electricity of train power supply output after the decompression of the voltage reduction module of the DC converter for described control unit and
The auxiliary system low pressure components of fuel cell auxiliary system are powered.
2. rail traffic according to claim 1 hydrogen fuel cell electrical system framework, which is characterized in that further include with
The connected train energy-storage battery of the energy allocation unit and train subordinate inverter, the energy allocation unit include being connected to
The fuse of the fuel cell auxiliary system, and it is respectively connected to the train energy-storage battery and train subordinate inverter
Contactor.
3. rail traffic according to claim 1 or 2 hydrogen fuel cell electrical system framework, which is characterized in that also wrap
Include the fuse box being connected between the DC converter and described control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910407329.2A CN110165654A (en) | 2019-05-16 | 2019-05-16 | Rail traffic hydrogen fuel cell electrical system framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910407329.2A CN110165654A (en) | 2019-05-16 | 2019-05-16 | Rail traffic hydrogen fuel cell electrical system framework |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110165654A true CN110165654A (en) | 2019-08-23 |
Family
ID=67634758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910407329.2A Pending CN110165654A (en) | 2019-05-16 | 2019-05-16 | Rail traffic hydrogen fuel cell electrical system framework |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110165654A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009275A (en) * | 2020-09-01 | 2020-12-01 | 东风汽车集团有限公司 | Integrated fuel cell double-high-voltage power supply and power supply system |
| CN112054501A (en) * | 2020-09-01 | 2020-12-08 | 东风汽车集团有限公司 | Fuel cell double-high-voltage power supply and power supply system based on high-power requirement |
| CN112383043A (en) * | 2020-11-02 | 2021-02-19 | 西安西电电力系统有限公司 | System for hydrogen fuel cell to access medium-voltage direct-current power distribution network |
| CN113212245A (en) * | 2021-05-19 | 2021-08-06 | 宝能(广州)汽车研究院有限公司 | Control method and device for output voltage of direct current converter and vehicle control unit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101200169A (en) * | 2006-12-12 | 2008-06-18 | 现代自动车株式会社 | Power-down control method of fuel cell hybrid electric vehicle |
| CN103213584A (en) * | 2012-07-12 | 2013-07-24 | 金鹰重型工程机械有限公司 | Rail double-power working vehicle |
| US8528487B2 (en) * | 2007-08-01 | 2013-09-10 | Sandor Wayne Shapery Wayne Shapery | System and method for operating a vehicle in multiple transportation networks |
| CN104627015A (en) * | 2013-11-08 | 2015-05-20 | 李俊娇 | Energy management system of new type fuel cell hybrid electric vehicle |
| CN105313709A (en) * | 2015-04-15 | 2016-02-10 | 西南交通大学 | An energy management system for a hybrid power tramcar |
| CN105365594A (en) * | 2015-11-06 | 2016-03-02 | 南车青岛四方机车车辆股份有限公司 | Hydrogen fuel power system and hydrogen fuel power tram |
-
2019
- 2019-05-16 CN CN201910407329.2A patent/CN110165654A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101200169A (en) * | 2006-12-12 | 2008-06-18 | 现代自动车株式会社 | Power-down control method of fuel cell hybrid electric vehicle |
| US8528487B2 (en) * | 2007-08-01 | 2013-09-10 | Sandor Wayne Shapery Wayne Shapery | System and method for operating a vehicle in multiple transportation networks |
| CN103213584A (en) * | 2012-07-12 | 2013-07-24 | 金鹰重型工程机械有限公司 | Rail double-power working vehicle |
| CN104627015A (en) * | 2013-11-08 | 2015-05-20 | 李俊娇 | Energy management system of new type fuel cell hybrid electric vehicle |
| CN105313709A (en) * | 2015-04-15 | 2016-02-10 | 西南交通大学 | An energy management system for a hybrid power tramcar |
| CN105365594A (en) * | 2015-11-06 | 2016-03-02 | 南车青岛四方机车车辆股份有限公司 | Hydrogen fuel power system and hydrogen fuel power tram |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009275A (en) * | 2020-09-01 | 2020-12-01 | 东风汽车集团有限公司 | Integrated fuel cell double-high-voltage power supply and power supply system |
| CN112054501A (en) * | 2020-09-01 | 2020-12-08 | 东风汽车集团有限公司 | Fuel cell double-high-voltage power supply and power supply system based on high-power requirement |
| CN112383043A (en) * | 2020-11-02 | 2021-02-19 | 西安西电电力系统有限公司 | System for hydrogen fuel cell to access medium-voltage direct-current power distribution network |
| CN113212245A (en) * | 2021-05-19 | 2021-08-06 | 宝能(广州)汽车研究院有限公司 | Control method and device for output voltage of direct current converter and vehicle control unit |
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Application publication date: 20190823 |