CN207466389U - A kind of fuel cell hybrid system and its power supply unit - Google Patents
A kind of fuel cell hybrid system and its power supply unit Download PDFInfo
- Publication number
- CN207466389U CN207466389U CN201721159987.7U CN201721159987U CN207466389U CN 207466389 U CN207466389 U CN 207466389U CN 201721159987 U CN201721159987 U CN 201721159987U CN 207466389 U CN207466389 U CN 207466389U
- Authority
- CN
- China
- Prior art keywords
- fuel cell
- hybrid system
- motor inverter
- contact
- power supply
- 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.)
- Active
Links
Classifications
-
- 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
-
- 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
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
- Fuel Cell (AREA)
Abstract
The utility model is related to a kind of fuel cell hybrid system and its power supply units, including fuel cell module and power battery module, fuel cell module is by DC/DC converters and power battery module and connects, simultaneously contact is used to connect motor inverter for it, and contact is used to connect motor inverter by anti-circnit NOT, the electric current of the anti-circnit NOT flows into end connection and contact, and electric current outflow end is used to connect motor inverter.The utility model the braking of motor and slides feedback energy not enter power battery, avoids motor braking or slides the excessive service life for reducing power battery of feedback current；Fuel cell constant power output is controlled without variable load, and fuel battery service life can ensure.
Description
Technical field
The utility model belongs to fuel cell car technical field, and in particular to a kind of fuel cell hybrid system and
Its power supply unit.
Background technology
In recent years, problem of environmental pollution getting worse.The problems such as in order to cope with global energy shortage and environmental pollution, starts
It is energy automobile that promotion, which is greatly developed, and sight has been shipped on the fuel-cell vehicle of zero-emission by more and more people.
The dynamical system of fuel cell car is that fuel cell car is different from other types vehicle (including I. C. engine steam
Vehicle, battery electric vehicle and oil-electricity mixed power automobile) outstanding feature.And under normal conditions, the dynamic of fuel cell
Characteristic is difficult to meet the frequent variation of vehicle load, therefore fuel cell is not the unique power source of the system, is generally required
The power source of auxiliary is supplemented and is improved to it in terms of power output, so as to form fuel cell hybrid system
System, these auxiliary power units include accumulator and super capacitor.Material battery charges to secondary power system, and then extends
The service life of fuel cell becomes the hot spot competitively chased.
The hybrid power system of fuel cell car common are pattern as shown in Figure 1.Fuel cell module passes through one
A DC/DC converters are connected to the entrance of electric machine controller, and power battery module is directly connected to the entrance of electric machine controller.The type
Under formula, braking is in or during sliding state in vehicle, the output power of fuel cell and the feedback energy of motor can be superimposed into
Enter power battery, influence power battery service life；If fuel cell is reduced by DC/DC at this time or stopping power is defeated
Go out, power battery it is unaffected, but there is variable load, the service life is difficult to ensure that.
Utility model content
The purpose of this utility model is to provide a kind of fuel cell hybrid system and its power supply unit, to solve
The braking of power battery is slided the problem of feedback current is excessive to cause the service life of power battery to reduce；Simultaneously so that fuel
Battery is controlled without variable load, and the service life is guaranteed and extends.
In order to solve the above technical problems, the technical solution of the utility model is：
The power supply unit of a kind of fuel cell hybrid system of the utility model, including fuel cell module and power
Battery module, fuel cell module is by DC/DC converters and power battery module and connects, and contact is inverse for connecting motor
Becoming device, and contact is used to connect motor inverter by anti-circnit NOT, the electric current of the anti-circnit NOT flows into end connection and contact,
Electric current outflow end is used to connect motor inverter.
Further, the anti-circnit NOT is a diode, and simultaneously contact, cathode are used for for the anode connection of the diode
Connect motor inverter.
Further, it is gone back between the electric current outflow end of the anti-circnit NOT and motor inverter and is connected to super capacitor mould
Block.
Further, the DC/DC converters are boosting DC/DC converters.
A kind of fuel cell hybrid system of the utility model, the power supply list including fuel cell hybrid system
Member and motor inverter, the power supply unit of the fuel cell hybrid system are described for being electrically connected the motor inverter
The power supply unit of fuel cell hybrid system includes fuel cell module and power battery module, and fuel cell module passes through
DC/DC converters and power battery module simultaneously connect, and contact is for connecting motor inverter, and contact is used by anti-circnit NOT
In connection motor inverter, the electric current of the anti-circnit NOT flows into end connection and contact, and electric current outflow end is inverse for connecting motor
Become device.
Further, the anti-circnit NOT is a diode, and simultaneously contact, cathode are used for for the anode connection of the diode
Connect motor inverter.
Further, it is gone back between the electric current outflow end of the anti-circnit NOT and motor inverter and is connected to super capacitor mould
Block.
Further, the DC/DC converters are boosting DC/DC converters.
The beneficial effects of the utility model：
The power supply unit of the fuel cell hybrid system of the utility model in fuel cell and power battery and connects
Afterwards, and contact connects motor inverter by anti-circnit NOT so that the braking of motor and feedback energy only enter super electricity
Hold, it is impossible into power battery；Fuel cell can be controlled with constant power output without variable load.The fuel cell of the utility model
Hybrid power system is powered using the power supply unit of the fuel cell hybrid system of above-mentioned introduction, not only extended dynamic
The service life of power battery, but also the service life of fuel cell has arrived guarantee, so that the fuel cell hybrid
System is relatively reliable.
Description of the drawings
Fig. 1 is fuel cell hybrid system block diagram of the prior art；
Fig. 2 is the fuel cell hybrid system block diagram of the utility model.
Specific embodiment
To make the purpose of this utility model, technical solution and advantage clearer, with reference to the accompanying drawings and embodiments, to this
Utility model is described in further detail.
The fuel cell hybrid system block diagram of the utility model is as shown in Fig. 2, including fuel cell hybrid system
The power supply unit and motor inverter of system, the power supply unit of fuel cell hybrid system is for electrical connection motor inverter.
The power supply unit of fuel cell hybrid system includes fuel cell, power battery pack and super capacitor group.
Fuel cell DC/DC converters and power battery pack and is connect, and contact passes through a counnter attack diode by boosting
Connect motor inverter.The high-pressure side and power battery pack of the anode connection boosting DC/DC converters of diode (that is to say it simultaneously
Contact), cathode connection motor inverter.Between the cathode and motor inverter of diode and it is connected to super capacitor group.
The terminal voltage of fuel cell by the DC/DC converters that boost boosting come the voltage class with system dc busbar into
Row matching, there is no coupled relations, boosting DC/DC between the voltage of system dc busbar and fuel battery power fan-out capability to become
The voltage of dc bus is maintained the electrical voltage point or range of optimum electric system work by parallel operation.
When automobile occurs braking and slides, driving motor is in the working condition of generator.Drive motor means will be used
In the braking energy of the mechanical type of feedback for generating electricity, the electric current of generation is exported from motor inverter.Due to unilateral diode
Effect, which only flows into super capacitor group and charges for it, the braking energy of feedback is stored in super capacitor,
Without entering in fuel cell and power battery pack.So, the service life of power battery is not only extended, but also combustion
The service life of material battery is guaranteed.
In this embodiment, counnter attack diode is employed to realize that the feedback energy that will be braked and slide only enters super electricity
Hold, without entering power battery pack, in order to realize the program, other anti-reverse circuits of the prior art can also be used and come in fact
Existing, being only possible to circuit structure can be comparatively more more complicated, as long as the program can be realized.
Although the content of the utility model is discussed in detail by above preferred embodiment, but it should be appreciated that on
The description stated is not considered as the limitation to the utility model.After those skilled in the art have read the above, for
A variety of modifications and substitutions of the utility model all will be apparent.Therefore, the scope of protection of the utility model should be by appended
Claim limit.
Claims (8)
1. a kind of power supply unit of fuel cell hybrid system, including fuel cell module and power battery module, fuel
Battery module is by DC/DC converters and power battery module and connects, and contact, for connecting motor inverter, feature exists
In, and contact is used to connect motor inverter by anti-circnit NOT, the electric current of the anti-circnit NOT flows into end connection and contact, electricity
Stream outflow end is used to connect motor inverter.
2. the power supply unit of fuel cell hybrid system according to claim 1, which is characterized in that the counnter attack electricity
Lu Weiyi diode, the anode connection of the diode and contact, cathode are used to connect motor inverter.
3. the power supply unit of fuel cell hybrid system according to claim 1, which is characterized in that the counnter attack electricity
It is gone back between the electric current outflow end and motor inverter on road and is connected to super-capacitor module.
4. according to the power supply unit of claims 1 to 3 any one of them fuel cell hybrid system, which is characterized in that
The DC/DC converters are boosting DC/DC converters.
5. a kind of fuel cell hybrid system, power supply unit and motor inversion including fuel cell hybrid system
Device, the power supply unit of the fuel cell hybrid system is for being electrically connected the motor inverter, the fuel cell mixing
The power supply unit of dynamical system includes fuel cell module and power battery module, and fuel cell module passes through DC/DC converters
With power battery module and connecing, and contact is for connecting motor inverter, which is characterized in that and contact is used by anti-circnit NOT
In connection motor inverter, the electric current of the anti-circnit NOT flows into end connection and contact, and electric current outflow end is inverse for connecting motor
Become device.
6. fuel cell hybrid system according to claim 5, which is characterized in that the anti-circnit NOT is one two
Pole pipe, the anode connection of the diode and contact, cathode are used to connect motor inverter.
7. fuel cell hybrid system according to claim 5, which is characterized in that the electric current stream of the anti-circnit NOT
It is gone back between outlet and motor inverter and is connected to super-capacitor module.
8. according to claim 5~7 any one of them fuel cell hybrid system, which is characterized in that the DC/DC becomes
Parallel operation is boosting DC/DC converters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721159987.7U CN207466389U (en) | 2017-09-11 | 2017-09-11 | A kind of fuel cell hybrid system and its power supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721159987.7U CN207466389U (en) | 2017-09-11 | 2017-09-11 | A kind of fuel cell hybrid system and its power supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207466389U true CN207466389U (en) | 2018-06-08 |
Family
ID=62268740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721159987.7U Active CN207466389U (en) | 2017-09-11 | 2017-09-11 | A kind of fuel cell hybrid system and its power supply unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207466389U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588939A (en) * | 2019-10-29 | 2019-12-20 | 中船动力研究院有限公司 | Hybrid power battery device and hybrid power system |
| CN112297888A (en) * | 2020-10-22 | 2021-02-02 | 武汉格罗夫氢能汽车有限公司 | Hydrogen energy automobile power system containing auxiliary energy |
| CN117261697A (en) * | 2023-10-20 | 2023-12-22 | 佛山市清极能源科技有限公司 | Energy control method and system for fuel cell vehicle |
-
2017
- 2017-09-11 CN CN201721159987.7U patent/CN207466389U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588939A (en) * | 2019-10-29 | 2019-12-20 | 中船动力研究院有限公司 | Hybrid power battery device and hybrid power system |
| CN112297888A (en) * | 2020-10-22 | 2021-02-02 | 武汉格罗夫氢能汽车有限公司 | Hydrogen energy automobile power system containing auxiliary energy |
| CN117261697A (en) * | 2023-10-20 | 2023-12-22 | 佛山市清极能源科技有限公司 | Energy control method and system for fuel cell vehicle |
| CN117261697B (en) * | 2023-10-20 | 2024-04-05 | 佛山市清极能源科技有限公司 | Energy control method and system for fuel cell vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107776416B (en) | Rail transit hybrid power circuit, energy storage power pack and power supply method thereof | |
| CN206135505U (en) | Little electric wire netting suitable for electric automobile difference demand of charging | |
| JP6956470B2 (en) | Energy storage system with range extender and energy management control method | |
| CN206544473U (en) | Electric car electric power system | |
| CN104163111B (en) | Battery-driven car compound energy based on two-way DC/DC increases journey system | |
| TWI433427B (en) | Battery power system | |
| CN207466389U (en) | A kind of fuel cell hybrid system and its power supply unit | |
| CN204055403U (en) | A kind of redundant circuit structure of accessory feed of electric-vehicle-mounted DC/DC device | |
| CN110015192B (en) | Fuel cell hybrid power system, power supply unit and charging control method | |
| CN102983608A (en) | Composite lithium battery and supercapacitor power supply control device for electromobile | |
| CN109895759A (en) | A kind of hybrid vehicle and its integrated form controller | |
| CN101593985A (en) | A kind of charging device of self power generation | |
| CN213619646U (en) | Car as a house power management system | |
| CN102555825A (en) | High-voltage power distribution unit of hybrid electric bus | |
| CN205901433U (en) | On -vehicle power take -off generate electricity power supply system | |
| CN209448482U (en) | A kind of OBC wake-up vehicle VCU circuit of included short-circuit protection | |
| CN204687856U (en) | A kind of highly reliable electronlmobil electric system without low tension battery | |
| CN207853760U (en) | A kind of major-minor low-tension supply for electric machine controller master control borad | |
| CN203423605U (en) | Integrated module of new energy automobile motor controller and DCDC converter | |
| TWI587617B (en) | Two - way power converter and its operation method | |
| CN2915592Y (en) | DC busbar voltage active control type electric machine drive system for pure electric automobile | |
| CN102820688A (en) | Automobile power system | |
| CN207750162U (en) | A kind of dumper self-start circuit | |
| CN204623190U (en) | For the electric power system of electronlmobil | |
| CN202541340U (en) | High-voltage distribution device for hybrid electric bus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |