CN207190818U - Electric power supply system of fuel cell and fuel cell system - Google Patents
Electric power supply system of fuel cell and fuel cell system Download PDFInfo
- Publication number
- CN207190818U CN207190818U CN201720940316.8U CN201720940316U CN207190818U CN 207190818 U CN207190818 U CN 207190818U CN 201720940316 U CN201720940316 U CN 201720940316U CN 207190818 U CN207190818 U CN 207190818U
- Authority
- CN
- China
- Prior art keywords
- fuel cell
- power supply
- 24vdc
- low
- converters
- 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
Landscapes
- Fuel Cell (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
It the utility model is related to a kind of electric power supply system of fuel cell and fuel cell system, the low-voltage power supply system includes fuel cell pile, 24VDC/DC converters and fuel cell controller, the high voltage input terminal connection fuel cell pile of 24VDC/DC converters, the low-voltage output of 24VDC/DC converters connects a fuel cell low-voltage bus bar, the fuel cell low-voltage bus bar power supply connection fuel cell controller and a fuel cell battery.The utility model increases a 24V accumulator jar in the low-voltage output of 24VDC/DC converters, power supply of the voltage pulsation on fuel cell controller and fuel cell system electricity annex can be eliminated as far as possible to be influenceed, and in 24VDC/DC catastrophic failures, it can still ensure the safety of fuel cell system by fuel cell storage battery power supply.
Description
Technical field
Electric power supply system of fuel cell and fuel cell system are the utility model is related to, belongs to Fuel Cell Vehicle Powertrain
Technical field.
Background technology
Course continuation mileage is long, hydrogenation time is short and relatively plug-in because its relative pure electric automobile has for fuel cell car
The characteristic of no pollution is considered as the ultimate developing direction of new-energy automobile, and fuel battery passenger car is as the important of fuel cell
Application field, vigorously supported by national policy, and as the important force of promotion fuel cell development.
At present, the fuel battery passenger car of in the market application passes through 24VDC/ by the accumulator jar of vehicle or by vehicle high pressure
DC gives fuel cell system low-voltage power supply.Low-voltage power supply structure for fuel cell system is carried out to fuel cell by vehicle
Simply, but following two shortcomings be present：1. the discharge capability of current vehicle accumulator jar can not meet growing fuel cell
Power, and different fuel cell system low pressure requirements power differences cause vehicle do energy distribution can not accomplish scale；2.
Vehicle is by 24VDC/DC to fuel cell-powered, and 24VDC/DC input high pressures are derived from the boosting DC/DC warps of fuel cell
Two-stage DC/DC is crossed, power attenuation is larger, and energy interest rate efficiency is low.
Publication No. CN1663838A Chinese patent document discloses a kind of hybrid power system for automobile driven by fuel cell,
In the dynamical system, the electric energy of fuel cell pile output is entered after line translation to Fuel Cell Control by 24VDC/DC converters
Device is powered, and solving the problems, such as that the low pressure and low power of fuel cell demand is excessive causes to influence the distribution of vehicle energy.But due to
There is fluctuation in 24VDC/DC output voltage, can greatly reduce fuel cell controller etc. to the electronic component of voltage-sensitive
Life-span, and when 24VDC/DC fails fuel cell system can be caused to power off suddenly, it is irreversible that fuel system can be caused
Injury.
Utility model content
The purpose of this utility model is to provide a kind of electric power supply system of fuel cell and fuel cell system, for solving fuel
Battery pile can not provide reliable and stable low-tension supply this technical problem for fuel cell system.
In order to solve the above technical problems, the utility model provides a kind of electric power supply system of fuel cell, including fuel cell
Pile, 24VDC/DC converters and fuel cell controller, the 24VDC/DC converters high voltage input terminal connection described in
Fuel cell pile, the low-voltage output of the 24VDC/DC converters connect a fuel cell low-voltage bus bar, the fuel
The power supply of battery low-voltage bus bar connects the fuel cell controller and a fuel cell battery.
Further, the fuel cell is provided with protective relay, the fuel cell control with the output end of battery
Device control processed connects the protective relay.
Further, boosting DC/DC, the boosting DC/DC low pressure, input end connection fuel cell electricity are included
Heap, the high-voltage output end of the boosting DC/DC are used for connection vehicle high voltage electric equipment of powering.
Further, the first load-relay is additionally provided between fuel cell pile and the 24VDC/DC converter,
The second load-relay, the Fuel Cell Control are additionally provided between the fuel cell pile and boosting DC/DC converters
Device control connects first load-relay and the second load-relay.
Further, it is provided between fuel cell controller and the 24VDC/DC converter and fuel cell pile
CAN.
The utility model additionally provide a kind of fuel cell system, including vehicle end equipment, electric power supply system of fuel cell with
And fuel cell battery accessories system, the electric power supply system of fuel cell include fuel cell pile, 24VDC/DC converters and combustion
Expect battery controller, the high voltage input terminal of the 24VDC/DC converters connects the fuel cell pile, the 24VDC/DC
The low-voltage output of converter connects a fuel cell low-voltage bus bar, and the fuel cell low-voltage bus bar power supply connects the combustion
Expect battery controller, fuel cell battery accessories system and a fuel cell battery.
Further, the fuel cell is provided with protective relay, the fuel cell control with the output end of battery
Device control processed connects the protective relay.
Further, the electric power supply system of fuel cell also includes boosting DC/DC, and it is high that the vehicle end equipment includes vehicle
Electrical equipment is pressed, the high-voltage output end power supply of the boosting DC/DC connects the vehicle high voltage electric equipment.
Further, the first load-relay is additionally provided between fuel cell pile and the 24VDC/DC converter,
The second load-relay, the Fuel Cell Control are additionally provided between the fuel cell pile and boosting DC/DC converters
Device control connects first load-relay and the second load-relay.
Further, the vehicle end equipment includes also including entire car controller and vehicle low-voltage power supply equipment, described whole
Vehicle controller communicates to connect the fuel cell controller, and the vehicle low-voltage power supply equipment power supply connects the fuel cell control
Device processed.
The beneficial effects of the utility model are：
By the output end of the low-voltage output of 24VDC/DC converters and fuel cell battery with a fuel electricity
Pond is connected with low-voltage bus bar, using the fuel cell low-voltage bus bar to fuel cell controller and fuel cell battery accessories system
System, there are two effects due to connecting a fuel cell battery on fuel cell low-voltage bus bar：(1) electricity can be stablized
Pressure, fluctuated because DC/DC output end voltages are present, voltage pulsation can be eliminated as far as possible with battery by increasing the fuel cell
The influence of power supply to fuel cell controller and fuel cell system electricity annex；(2) 24VDC/DC failure mode can be avoided
Under to caused by low-voltage power supply system influence, even if 24VDC/DC catastrophic failures, can still be supplied by fuel cell with battery
Electricity ensures the safety of fuel cell system.
Further, protective relay, fuel cell controller are set by the output end in fuel cell battery
Fuel cell is protected to avoid power shortage with battery by controlling the break-make of the protective relay.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model fuel cell system.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and specifically
The utility model is further elaborated embodiment.
As shown in figure 1, fuel cell system of the present utility model include vehicle end equipment, electric power supply system of fuel cell and
Fuel cell battery accessories system, electric power supply system of fuel cell power supply connection vehicle end equipment and fuel cell battery accessories system.Wherein, fire
Expecting battery package system includes other low-voltage equipments such as water pump, fan, magnetic valve, and vehicle end equipment includes entire car controller, whole
Overall height pressure electrical equipment, vehicle low-voltage power supply equipment and other vehicle equipment.Electric power supply system of fuel cell includes fuel cell
Other fuel electricity such as pile, 24VDC/DC converters, fuel cell battery, fuel cell controller and boosting DC/DC
Pool equipment.
Specifically, 24VDC/DC converters high voltage input terminal connection fuel cell pile, 24VDC/DC converters it is low
Output end is pressed to connect a fuel cell low-voltage bus bar, fuel cell low-voltage bus bar power supply connection fuel cell controller, combustion
Expect battery package system and fuel cell battery.Fuel cell pile is also connected with boosting DC/DC low pressure, input end, rises
Press DC/DC high-voltage output end power supply connection vehicle high voltage electric equipment.Vehicle low-voltage power supply equipment, which is also powered, connects fuel electricity
Pool controller, entire car controller control connection fuel cell controller by CAN.
In addition, being additionally provided with protective relay with the output end of battery in fuel cell, the protective relay is by fuel
Battery controller control connection, fuel cell controller protect fuel cell to store by controlling the break-make of the protective relay
Battery avoids power shortage.The first load-relay is additionally provided between fuel cell pile and 24VDC/DC converters, in fuel electricity
The second load-relay, fuel cell controller control connection first are additionally provided between pond pile and boosting DC/DC converters
Load-relay and the second load-relay.Between fuel cell controller and 24VDC/DC converters and fuel cell pile
CAN is provided with, fuel cell controller is led to by CAN and 24VDC/DC converters and fuel cell pile
Letter.
The course of work of above-mentioned fuel cell system is as follows：
(1) on vehicle after electricity, powered by vehicle low-tension supply to fuel cell controller core, fuel cell
Controller does System self-test, and self-test starts to normally receive the control command of entire car controller by fuel cell controller afterwards,
In this course there is still a need for vehicle provides necessary low-voltage power supply.
(2) after fuel cell controller can normally receive entire car controller order, fuel cell controller judges combustion
Expect the current working condition of battery pile, then fuel cell controller control closure pile end load-relay, i.e. pile arrive
Second load-relay of 24VDC/DC the first load-relay and pile to boosting DC/DC.
(3) after load-relay adhesive, fuel cell controller power meter according to needed for system electricity annex calculates mesh
Electric current is marked, send target current order by CAN lines draws the electric current for carrying pile to pass through voltage conversion to 24VDC/DC, 24VDC/DC
Fuel cell system use is supplied for 24V low tension.
Under normal operating condition, supplied by fuel cell 24VDC/DC to the electric annex of fuel cell controller and fuel cell
Electricity, while increase a 24V fuel cell battery in 24VDC/DC output ends, for ensureing the stabilization in low-voltage power supply source,
And it can ensure that short-duration power ensures the safety of fuel cell system under 24VD/CDC failure conditions.
Claims (10)
1. a kind of electric power supply system of fuel cell, including fuel cell pile, 24VDC/DC converters and fuel cell controller,
The high voltage input terminal of the 24VDC/DC converters connects the fuel cell pile, it is characterised in that the 24VDC/DC becomes
The low-voltage output of parallel operation connects a fuel cell low-voltage bus bar, and the fuel cell low-voltage bus bar power supply connects the fuel
Battery controller and a fuel cell battery.
2. electric power supply system of fuel cell according to claim 1, it is characterised in that the fuel cell battery it is defeated
Go out end and be provided with protective relay, the fuel cell controller control connects the protective relay.
3. electric power supply system of fuel cell according to claim 1 or 2, it is characterised in that also include the DC/DC that boosts, it is described
Boosting DC/DC low pressure, input end connects the fuel cell pile, and the high-voltage output end of the boosting DC/DC is used for the company of power supply
Connect vehicle high voltage electric equipment.
4. electric power supply system of fuel cell according to claim 3, it is characterised in that the fuel cell pile and 24VDC/
The first load-relay is additionally provided between DC converters, is also set between the fuel cell pile and boosting DC/DC converters
The second load-relay is equipped with, the fuel cell controller control connects first load-relay and the second load relay
Device.
5. electric power supply system of fuel cell according to claim 1 or 2, it is characterised in that the fuel cell controller with
CAN is provided between 24VDC/DC converters and fuel cell pile.
6. a kind of fuel cell system, including vehicle end equipment, electric power supply system of fuel cell and fuel cell battery accessories system, institute
Stating electric power supply system of fuel cell includes fuel cell pile, 24VDC/DC converters and fuel cell controller, described
The high voltage input terminal of 24VDC/DC converters connects the fuel cell pile, it is characterised in that the 24VDC/DC converters
Low-voltage output connect a fuel cell low-voltage bus bar, fuel cell low-voltage bus bar power supply connects the fuel cell
Controller, fuel cell battery accessories system and a fuel cell battery.
7. fuel cell system according to claim 6, it is characterised in that the output end of the fuel cell battery
Protective relay is provided with, the fuel cell controller control connects the protective relay.
8. the fuel cell system according to claim 6 or 7, it is characterised in that the electric power supply system of fuel cell also wraps
Boosting DC/DC is included, the vehicle end equipment includes vehicle high voltage electric equipment, the high-voltage output end power supply of the boosting DC/DC
Connect the vehicle high voltage electric equipment.
9. fuel cell system according to claim 8, it is characterised in that the fuel cell pile and 24VDC/DC become
The first load-relay is additionally provided between parallel operation, is additionally provided between the fuel cell pile and boosting DC/DC converters
Second load-relay, the fuel cell controller control connect first load-relay and the second load-relay.
10. the fuel cell system according to claim 6 or 7, it is characterised in that the vehicle end equipment includes also including
Entire car controller and vehicle low-voltage power supply equipment, the entire car controller communicates to connect the fuel cell controller, described whole
The power supply of car low-voltage power supply equipment connects the fuel cell controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720940316.8U CN207190818U (en) | 2017-07-28 | 2017-07-28 | Electric power supply system of fuel cell and fuel cell system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720940316.8U CN207190818U (en) | 2017-07-28 | 2017-07-28 | Electric power supply system of fuel cell and fuel cell system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207190818U true CN207190818U (en) | 2018-04-06 |
Family
ID=61799588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720940316.8U Active CN207190818U (en) | 2017-07-28 | 2017-07-28 | Electric power supply system of fuel cell and fuel cell system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207190818U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357387A (en) * | 2018-04-17 | 2018-08-03 | 安徽安凯汽车股份有限公司 | A kind of control system of hydrogen-fueled system car |
| CN109572487A (en) * | 2018-12-12 | 2019-04-05 | 电子科技大学 | A kind of shutdown control method of fuel cell hybrid system |
| 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 |
| CN110936855A (en) * | 2019-11-27 | 2020-03-31 | 中国第一汽车股份有限公司 | Dual-energy-source system and fuel cell assembly power-on control method |
-
2017
- 2017-07-28 CN CN201720940316.8U patent/CN207190818U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108357387A (en) * | 2018-04-17 | 2018-08-03 | 安徽安凯汽车股份有限公司 | A kind of control system of hydrogen-fueled system car |
| CN109572487A (en) * | 2018-12-12 | 2019-04-05 | 电子科技大学 | A kind of shutdown control method of fuel cell hybrid system |
| CN110936855A (en) * | 2019-11-27 | 2020-03-31 | 中国第一汽车股份有限公司 | Dual-energy-source system and fuel cell assembly power-on control method |
| CN110936855B (en) * | 2019-11-27 | 2021-07-20 | 中国第一汽车股份有限公司 | Dual-energy-source system and fuel cell assembly power-on control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207190818U (en) | Electric power supply system of fuel cell and fuel cell system | |
| KR101715444B1 (en) | Battery device and method for installing and operating same | |
| CN108340856A (en) | A kind of new-energy automobile power supply system for cancelling A-battery | |
| CN202488178U (en) | Photovoltaic energy storage electric vehicle charging station system based on direct current bus | |
| CN206432772U (en) | A kind of electric vehicle low tension battery power shortage activation system | |
| US20090233129A1 (en) | Method of starting operation of fuel cell system | |
| CN204497336U (en) | Multikilowatt fuel cell lithium ion battery hybrid power device | |
| CN110165654A (en) | Rail traffic hydrogen fuel cell electrical system framework | |
| CN105280990B (en) | Multikilowatt fuel cell/lithium ion battery hybrid power device and its energy management method | |
| CN101593985B (en) | Self-powered charging device and charging method | |
| EP1692736B1 (en) | Electric storage augmentation of fuel cell system transient response | |
| CN207466761U (en) | Double source electric hydraulic power-assisted steering system and vehicle | |
| CN112606710B (en) | System and method for realizing output control of bidirectional DCDC (direct current) of fuel cell auxiliary energy system | |
| CN110015204A (en) | A kind of electric power supply system of fuel cell and fuel cell system | |
| CN207292115U (en) | Double source steering control system and the vehicle equipped with the system | |
| JP2020187845A (en) | Fuel cell system | |
| CN215322084U (en) | Energy storage type direct current charging pile | |
| CN109318980A (en) | A kind of double source steering control system and the vehicle equipped with the system | |
| CN109249986A (en) | A kind of double source electric hydraulic power-assisted steering system and vehicle | |
| CN113479104A (en) | Intelligent charging multilayer safety protection system | |
| CN202019140U (en) | Integrated maneuvering feeding device for cable-actuated manned underwater vehicle | |
| CN201405751Y (en) | Multi-functional movable environment-friendly power van | |
| KR101879646B1 (en) | System for fuel cell | |
| CN216773286U (en) | Tire crane hydrogen fuel cell system and power system | |
| CN110549885A (en) | Emergency rescue portable charger supporting multi-power input and output |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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. |
|
| CP03 | Change of name, title or address |