CN101503062A - Vehicle mounted electrical system of fuel cell automobile - Google Patents
Vehicle mounted electrical system of fuel cell automobile Download PDFInfo
- Publication number
- CN101503062A CN101503062A CNA2008102275696A CN200810227569A CN101503062A CN 101503062 A CN101503062 A CN 101503062A CN A2008102275696 A CNA2008102275696 A CN A2008102275696A CN 200810227569 A CN200810227569 A CN 200810227569A CN 101503062 A CN101503062 A CN 101503062A
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- distribution box
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- wire harness
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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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
Abstract
The invention relates to a vehicle electrical system of a fuel-cell-powered vehicle, belonging to the technical field of the fuel-cell-powered vehicle. The system comprises an electrodynamic braking system, a fuel cell engine and the like, the high-voltage electricity utilization parts of the electrodynamic braking system, the fuel cell engine and the like are connected with a high-voltage distribution box by high voltage wires, and the low-voltage electricity utilization parts thereof are connected with a low-voltage distribution box by low voltage wires; control parts such as a driving position and the like are connected with the distribution boxes of the electrical system; the low-voltage distribution box is connected with the high-voltage distribution box by the low voltage wires; after being connected in series, accumulator batteries are connected with the distribution boxes by the high voltage wires. The high-voltage distribution box and the low-voltage distribution box are respectively adopted by the high-voltage and the low-voltage parts of the vehicle electrical system, and the high voltage wires, the low voltage wires and control wires are strictly distinguished from each other, thus excluding power utilization interface among the electric equipment and improving the safety in the utilization of the equipment. Meanwhile, the system can realize that low voltage power supply and high voltage power supply are controlled separately, so as to improve the safety and the controllability of the system. Therefore, the safety and the controllability of the system are considerably remarkable.
Description
Technical field
The present invention relates to a kind of vehicle-mounted electrical system of fuel cell powered vehicle, belong to the fuel cell powered vehicle technical field.
Background technology
Because fuel cell powered vehicle has premium properties such as high efficiency, zero-emission and running noises be low, be widely regarded as the development tendency of following automobile.Country's Eleventh Five-Year Plan 863 Program energy-conservation with the new-energy automobile major project in, the research and development of fuel cell powered vehicle are important component parts.The correlation technique of vehicle-mounted electrical system for fuel cell automobile is one of important technology in the fuel cell powered vehicle research and development technology field.
Vehicle-mounted electrical system is the indispensable pith of fuel cell powered vehicle, the electric apparatus mounted on vehicle of fuel cell powered vehicle has fuel battery engines, main DC/DC changer, auxiliary DC/DC changer, battery pack, electric machine controller, motor, electric actuated brake system, electric power steering, a/c system, the body electrical system, control system, safety system etc., its electric apparatus mounted on vehicle quantity is more than conventional truck, and except low-voltage power supply system, also introduced high voltage power transmisson system, therefore the electric system of fuel cell powered vehicle is complicated more, to its safety, controllability, ease for maintenance also has higher requirement.
Summary of the invention
The objective of the invention is for electric apparatus mounted on vehicle provides the high and low pressure power supply, and to have controllable function preferably for a kind of vehicle-mounted electrical system of fuel cell powered vehicle is provided.
This vehicle-mounted electrical system major part comprises high-tension distribution box, low-tension distribution box, high pressure wire harness, low pressure wire harness, control wire harness and various electrical equipment, as electric actuated brake system, electric power steering, cooling system, storage hydrogen-feeding system, body electrical system, warm air system, defrost system, a/c system, safety system, auxiliary DC/DC changer, stand-by system, electric machine controller, battery pack, DC/DC changer, fuel battery engines etc.
The low pressure electricity consumption part of electrical equipment is connected to low-tension distribution box by the low pressure wire harness, low-voltage relay in the low-tension distribution box carries out corresponding actions according to the control signal that the control wire harness of driving position, safety system sends, and each equipment low-pressure section is connected with the 24V storage battery or disconnects.
The high-pressure section of electrical equipment is connected to high-tension distribution box by the high pressure wire harness, high-tension distribution box is connected by the low pressure wire harness with low-tension distribution box, make high-voltage relay in the high-tension distribution box according to the action of corresponding low-voltage relay and closed or disconnect, realize being connected and disconnection of electrical equipment high-pressure section and car load high voltage dc bus.
Description of drawings
Fig. 1 represents the structural representation of the vehicle-mounted electrical system for fuel cell automobile that the present invention proposes.
The specific embodiment
Further specify the present invention below in conjunction with accompanying drawing.
What provide as Fig. 1 is the structural representation of the vehicle-mounted electrical system for fuel cell automobile that proposes of the present invention.This system comprises high-tension distribution box, low-tension distribution box, high pressure wire harness, low pressure wire harness, control wire harness and electrical equipment.Electrical equipment comprises electric actuated brake system, electric power steering, cooling system, storage hydrogen-feeding system, body electrical system, warm air system, defrost system, a/c system, safety system, auxiliary DC/DC changer, stand-by system, electric machine controller, battery pack, DC/DC changer, fuel battery engines etc.
(1) the high pressure electricity consumption part of electric actuated brake system, electric power steering, a/c system, body electrical system, auxiliary DC/DC changer, warm air system, defrost system, stand-by system, electric machine controller, battery pack, DC/DC changer and fuel battery engines all is connected with high-tension distribution box by the high pressure wire harness, carries out the conveying of high voltage electric energy;
(2) the low pressure electricity consumption part of electric actuated brake system, electric power steering, cooling system, storage hydrogen-feeding system, body electrical system, warm air system, defrost system, a/c system, safety system, electric machine controller, battery pack observation circuit, DC/DC changer, auxiliary DC/DC changer, 24V storage battery, stand-by system and fuel battery engines all is connected with low-tension distribution box by the low pressure wire harness, realizes low-voltage power supply;
(3) control part of driving position, safety system is connected with the electric system switch box, and transmission of control signals carries out the control of electric system;
(4) be connected by the low pressure wire harness between low-tension distribution box and the high-tension distribution box, realize control the high-tension distribution box mode of operation;
(5) be electrically connected between electric machine controller and the motor, by electric machine controller to the motor transmission of electric energy;
(6) after battery pack I, battery pack II, battery pack III, the battery pack IV series connection, be connected with switch box by the high pressure wire harness.
The system low-voltage part is by the 24V storage battery power supply, storage battery is connected to low-tension distribution box by the low pressure wire harness, low-voltage relay in the switch box produces corresponding actions according to the control signal that driving position, safety system transmit, the low-pressure section of each consumer is connected with the 24V storage battery, for each equipment provides low-voltage electric energy.
Cooresponding relay is connected by the low pressure wire harness in low-tension distribution box and the high-tension distribution box, according to the state of low-voltage relay high-voltage relay is moved.The electric energy that fuel battery engines sends is served high voltage dc bus via main DC/DC changer, in the high-tension distribution box, each high-voltage relay moves under the control of corresponding low-voltage relay, the high-pressure section of electrical equipment is connected with high voltage dc bus, for each equipment provides high voltage electric energy.
Because the high and low pressure of this electric system part has adopted high-tension distribution box and low-tension distribution box respectively, simultaneously high pressure wire harness, low pressure wire harness, the strictness of control wire harness are distinguished, each consumer is connected with switch box by special-purpose wire harness, got rid of each consumer each other use electric noise, improved the equipment safety in utilization.Simultaneity factor realizes that low-voltage power supply separates control with high voltage supply, can control, monitor the state of electrical equipment by the control wire harness between driving position, safety system and the low-tension distribution box, has improved system safety, has improved the controllability of system again.The safety of this system, controllability are all quite outstanding.
Claims (1)
1, a kind of vehicle-mounted electrical system of fuel cell powered vehicle is characterized in that, this system:
(1) the high pressure electricity consumption of electric actuated brake system, electric power steering, a/c system, body electrical system, auxiliary DC/DC changer, warm air system, defrost system, stand-by system, electric machine controller, battery pack, DC/DC changer and fuel battery engines partly is connected with high-tension distribution box by the high pressure wire harness;
(2) the low pressure electricity consumption of electric actuated brake system, electric power steering, cooling system, storage hydrogen-feeding system, body electrical system, warm air system, defrost system, a/c system, safety system, electric machine controller, battery pack observation circuit, DC/DC changer, auxiliary DC/DC changer, 24V storage battery, stand-by system and fuel battery engines partly is connected with low-tension distribution box by the low pressure wire harness;
(3) control part of driving position, safety system is connected with the electric system switch box;
(4) be connected by the low pressure wire harness between low-tension distribution box and the high-tension distribution box;
(5) be electrically connected between electric machine controller and the motor;
(6) after battery pack I, battery pack II, battery pack III, the battery pack IV series connection, be connected with switch box by the high pressure wire harness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102275696A CN101503062A (en) | 2008-11-28 | 2008-11-28 | Vehicle mounted electrical system of fuel cell automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102275696A CN101503062A (en) | 2008-11-28 | 2008-11-28 | Vehicle mounted electrical system of fuel cell automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101503062A true CN101503062A (en) | 2009-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102275696A Pending CN101503062A (en) | 2008-11-28 | 2008-11-28 | Vehicle mounted electrical system of fuel cell automobile |
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| CN (1) | CN101503062A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343830A (en) * | 2011-07-11 | 2012-02-08 | 联合汽车电子有限公司 | High voltage distributor for hybrid electric vehicles or pure electric vehicles |
| CN104309496A (en) * | 2014-09-29 | 2015-01-28 | 芜湖国氢能源股份有限公司 | Energy supply system capable of converting organic liquid hydrogen into gaseous hydrogen and suitable for hydrogen energy source automobile |
| WO2015010285A1 (en) * | 2013-07-24 | 2015-01-29 | 台湾立凯绿能移动股份有限公司 | Detachable high-voltage isolation structure of medium-sized electric vehicle |
| CN105172715A (en) * | 2015-10-10 | 2015-12-23 | 成都雅骏新能源汽车科技股份有限公司 | Multifunctional low-voltage distribution box for electric vehicle |
| CN108638878A (en) * | 2018-05-04 | 2018-10-12 | 佛山琴笙科技有限公司 | A kind of new energy vehicle charged delivery system |
| CN109017315A (en) * | 2018-08-23 | 2018-12-18 | 北京理工大学 | A kind of power supply Self-Protection Subsystem of hybrid vehicle and method |
| CN110015204A (en) * | 2017-07-28 | 2019-07-16 | 郑州宇通客车股份有限公司 | A kind of electric power supply system of fuel cell and fuel cell system |
-
2008
- 2008-11-28 CN CNA2008102275696A patent/CN101503062A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343830A (en) * | 2011-07-11 | 2012-02-08 | 联合汽车电子有限公司 | High voltage distributor for hybrid electric vehicles or pure electric vehicles |
| WO2015010285A1 (en) * | 2013-07-24 | 2015-01-29 | 台湾立凯绿能移动股份有限公司 | Detachable high-voltage isolation structure of medium-sized electric vehicle |
| US9630502B2 (en) | 2013-07-24 | 2017-04-25 | Aleees Eco Ark (Cayman) Co. Ltd. | Detachable high voltage isolation structure of medium-size electric vehicle |
| CN104309496A (en) * | 2014-09-29 | 2015-01-28 | 芜湖国氢能源股份有限公司 | Energy supply system capable of converting organic liquid hydrogen into gaseous hydrogen and suitable for hydrogen energy source automobile |
| CN105172715A (en) * | 2015-10-10 | 2015-12-23 | 成都雅骏新能源汽车科技股份有限公司 | Multifunctional low-voltage distribution box for electric vehicle |
| CN110015204A (en) * | 2017-07-28 | 2019-07-16 | 郑州宇通客车股份有限公司 | A kind of electric power supply system of fuel cell and fuel cell system |
| CN110015204B (en) * | 2017-07-28 | 2024-04-05 | 宇通客车股份有限公司 | Fuel cell power supply system and fuel cell system |
| CN108638878A (en) * | 2018-05-04 | 2018-10-12 | 佛山琴笙科技有限公司 | A kind of new energy vehicle charged delivery system |
| CN108638878B (en) * | 2018-05-04 | 2021-12-28 | 深圳市华海新电科技有限公司 | New energy vehicle charging and distributing system |
| CN109017315A (en) * | 2018-08-23 | 2018-12-18 | 北京理工大学 | A kind of power supply Self-Protection Subsystem of hybrid vehicle and method |
| CN109017315B (en) * | 2018-08-23 | 2020-07-14 | 北京理工大学 | Power supply self-protection system and method for hybrid power vehicle |
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Open date: 20090812 |