CN104092280B - Fuel cell standby power source system based on super capacitor starting - Google Patents
Fuel cell standby power source system based on super capacitor starting Download PDFInfo
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- CN104092280B CN104092280B CN201410270536.5A CN201410270536A CN104092280B CN 104092280 B CN104092280 B CN 104092280B CN 201410270536 A CN201410270536 A CN 201410270536A CN 104092280 B CN104092280 B CN 104092280B
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- super capacitor
- fuel cell
- galvanic pile
- power source
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/10—Applications of fuel cells in buildings
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Abstract
The invention relates to the technical field of fuel cells, in particular to a fuel cell standby power source system based on super capacitor starting. The fuel cell standby power source system comprises an electric piling module, a DCDC converter, an auxiliary energy storage module, a fuel cell control/assisting system module, a mains supply rectification module and a load module. The auxiliary energy storage module is a super capacitor, the output end of the electric piling module is in parallel connection with the DCDC converter and the super capacitor, and switches are arranged between the electric piling module and the DCDC converter and between the electric piling module and the super capacitor respectively. The output end of the super capacitor is connected to the ground. The DCDC converter is connected with the fuel cell control/assisting system module, the mains supply rectification module and the load module respectively in parallel. A lead wire is arranged between the input end of the super capacitor and the input end of the fuel cell control/assisting system module for connecting, and the lead wire is provided with a switch. The fuel cell standby power source system based on super capacitor starting is small in size, low in cost, long in cycle life, high in safety, and capable of well meeting the application demand of the fuel cell standby power source system.
Description
Technical field
The present invention relates to field of fuel cell technology is and in particular to a kind of fuel cell based on super capacitor startup is standby
Power-supply system.
Background technology
The starting characteristic of fuel cell material battery backup power source system determines it and must be equipped with an auxiliary energy storage unit,
The initial stage starting at it is that the aid system (comprising control system, cooling system, fuel feed system) of fuel cell system supplies
Electricity, undertakes load supplying simultaneously.In general, fuel cell reaches operating point from startup needs the time of 30 seconds about, this
Stage auxiliary energy storage unit is low-voltage, heavy-current discharge state, and this requires that auxiliary energy storage unit has preferable high magnification
Discharge performance.
Conventional use of auxiliary energy storage unit mainly has lead-acid batteries and ferric phosphate lithium cell group at present.Lead acid storage battery
The high-rate discharge ability in pond is poor, and under conditions of voltage is constant, in order to obtain larger discharge current, we must improve
Its capacity, which results in steeply rising of cost, and its volume also mutually strains big, is unfavorable for the overall layout of system and small-sized
Change.In addition, the cycle life of lead-acid accumulator is poor, need to carry out regularly within cycle projected life of fuel cell system
Safeguard and change, this undoubtedly increased the use cost in system later stage.For ferric phosphate lithium cell is relative to lead-acid accumulator, it is high
Preferably, under the conditions of identical voltage and discharge current, its capacity requirement does not have lead-acid accumulator so big to multiplying power discharging property,
Can significantly reduce in volume, be easy to layout designs and the small form factor requirements of system.But it is limited by price and the battery of monomer
The cost of management system, the cost advantage of whole set of cells is less obvious relative to lead-acid accumulator.Its cycle life aspect relatively stores
Battery has big advantage, and the expense of later maintenance aspect is relatively low, but is limited to the characteristic of lithium ion battery, its environmental suitability
And safety is not so good as accumulator, for some extreme environments, it needs to carry out special design protection.
Content of the invention
For not enough present on prior art, the present invention provide a kind of small volume, low cost, have extended cycle life, safety
Property the high backup power system of fuel cell being started based on super capacitor.
To achieve these goals, the present invention is to realize by the following technical solutions:
A kind of backup power system of fuel cell based on super capacitor startup, is converted into electric energy including by hydrogen and oxygen
The galvanic pile module that power supply is provided, dcdc transducer galvanic pile module out-put supply being adjusted to direct current electricity output, auxiliary energy storage mould
Block, Fuel Cell Control/aid system module, commercial power rectification module and load blocks are it is characterised in that described auxiliary energy storage
Module is super capacitor,
Described galvanic pile module outfan parallel connection dcdc transducer and super capacitor are galvanic pile module and dcdc transducer, super
It is respectively provided with switch between level electric capacity；
Described super capacitor output head grounding；
Described dcdc transducer respectively with Fuel Cell Control/aid system module, commercial power rectification module and load mould
Block is in parallel；
Wire phase is set between the input of described super capacitor and Fuel Cell Control/aid system module input
Even, setting switch on described wire.
A kind of above-mentioned backup power system of fuel cell based on super capacitor startup, its described fuel cell control
System/aid system module includes controlling the normal control system run of whole system and provides hydrogen, oxygen fuel to being for pile
System runs the aid system being cooled down.
A kind of above-mentioned backup power system of fuel cell based on super capacitor startup, its described commercial power rectification module
For simulating actual condition, simulation externally fed is normal and the module of blackout condition.
A kind of above-mentioned backup power system of fuel cell based on super capacitor startup, its described load blocks is mould
Intend the equipment of the power consumption of actual condition.
Beneficial effect:
The present invention adopts super capacitor as auxiliary energy storage module, and super capacitor, as emerging auxiliary energy storage unit, is gathered around
Some advantages having can meet the application in backup power system of fuel cell very well.Firstly, since its energy density is big, non-
Often it is suitable for high current charge-discharge, and the discharge and recharge time is short, efficiency high, this meets opening of backup power system of fuel cell very well
Dynamic demand.Secondly, disclosure satisfy that the capacitance group capacity requirement of design requirement is less, with regard to the current super capacitor market price
Speech, its cost is suitable with Li-ion batteries piles, and along with the continuous expansion of super capacitor application, its cost has larger
Decline space, and its volume aspect is advantageous compared with accumulator and lithium battery, is easy to layout designs and the small form factor requirements of system.?
Afterwards, its cycle life, environmental suitability and safety aspect have obvious advantage compared with accumulator and lithium battery, standby in fuel cell
With, in power-supply system cycle projected life, super capacitor is substantially non-maintaining, the decay of its energy density is also less, need not do more
Change, greatly reduce later maintenance and use cost.Its environment subject range is well more a lot of than lithium battery, and due to lead acid storage battery
Pond, both have larger advantage relatively for safety.
Brief description
To describe the present invention with reference to the accompanying drawings and detailed description in detail；
Fig. 1 is the structural framing figure of the present invention.
Specific embodiment
Technological means, creation characteristic, reached purpose and effect for making the present invention realize are easy to understand, with reference to
Specific embodiment, is expanded on further the present invention.
With reference to Fig. 1, the present invention includes galvanic pile module 1, dcdc transducer 2, auxiliary energy storage module are super capacitor 3, fuel
Battery control/aid system module 4, commercial power rectification module 5 and load blocks 6, described galvanic pile module 1 outfan dcdc in parallel
Transducer 2 and super capacitor 3, setting switch k3, galvanic pile module 1 and super capacitor 3 between galvanic pile module 1 and dcdc transducer 2
Between be respectively provided with switch k2, galvanic pile module 1 by hydrogen and oxygen be converted into electric energy provide power supply.Dcdc transducer 2 respectively with
Fuel Cell Control/aid system module 4, commercial power rectification module 5 and load blocks 6 are in parallel, and dcdc transducer is by galvanic pile module 1
The power supply of output is adjusted to direct current electricity output.The input of super capacitor 3 is inputted with Fuel Cell Control/aid system module 4
Between end, setting wire is connected, setting switch k1, super capacitor 3 output head grounding on described wire.Fuel Cell Control/auxiliary
Auxiliary system module 4 includes controlling the normal control system run of whole system and provides hydrogen, oxygen fuel for pile and system transported
The aid system that row is cooled down.Commercial power rectification module 5 is simulation actual condition, and simulation externally fed is normal and blackout condition
Module.Load blocks 6 are the equipment of the power consumption of simulation actual condition.
The working condition of the present invention is as follows:
When civil power is normal, commercial power rectification module 5 is output as load blocks 6 and powers, now in figure k1 closure, and k2, k3 disconnect,
In Fuel Cell Control/aid system module 4, electricity, is in holding state, super capacitor 3 is in charged state.
During city's electrical anomaly, commercial power rectification module 5 stops output, now in figure k2 closure, and k1 disconnects, and super capacitor 3 provides
Electric energy is system start-up and load supplying after dcdc transducer 2 adjustment, the control of Fuel Cell Control/aid system module 4
System start-up fuel cell processed, aid system starts to supply hydrogen and oxygen, provides fuel for pile.
When galvanic pile module 1 starts to the state being suitable for output, k3 closes, and k2 disconnects, and k1 closes, fuel cell pile 1
Output electric energy, supply load module 6 and Fuel Cell Control/aid system module 4 after dcdc transducer 2 adjustment, give simultaneously
Super capacitor 3 charges.
When civil power recovers normal again, k3 disconnects, and k2 disconnects, and k1 closes, and commercial power rectification module 5 is output as load blocks 6
Power supply, in Fuel Cell Control/aid system module 4, electricity, is in holding state, super capacitor 3 is in charged state.
Some advantages that super capacitor has, firstly, since its energy density is big, are especially suitable for high current charge-discharge, and
The discharge and recharge time is short, efficiency high, and this meets the startup demand of backup power system of fuel cell very well.Secondly, disclosure satisfy that
The capacitance group capacity requirement of design requirement is less, and its cost has larger decline space, and its volume aspect is easy to system
Layout designs and small form factor requirements.Finally, its cycle life, environmental suitability and safety aspect have compared with accumulator and lithium battery
Significantly advantage, within backup power system of fuel cell cycle projected life, super capacitor is substantially non-maintaining, its energy density
Decay also less, need not change, greatly reduce later maintenance and use cost, safety relatively both have larger excellent
Gesture.The application in backup power system of fuel cell can be met very well.
Ultimate principle and principal character and the advantages of the present invention of the present invention have been shown and described above.The technology of the industry
, it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description is originally for personnel
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and its
Equivalent thereof.
Claims (4)
1. a kind of backup power system of fuel cell based on super capacitor startup, carries including hydrogen and oxygen are converted into electric energy
The galvanic pile module of power supply source, the dcdc transducer that galvanic pile module out-put supply is adjusted to direct current electricity output, auxiliary energy storage module,
Fuel Cell Control/aid system module, commercial power rectification module and load blocks are it is characterised in that described auxiliary energy storage mould
Block is super capacitor,
Described galvanic pile module outfan parallel connection dcdc transducer and super capacitor, galvanic pile module and dcdc transducer, super electricity
It is respectively provided with switch (k2, k3) between appearance；
Described super capacitor output head grounding；
Described dcdc transducer is respectively with Fuel Cell Control/aid system module, commercial power rectification module and load blocks simultaneously
Connection；
Between the input of described super capacitor and Fuel Cell Control/aid system module input, setting wire is connected,
Setting switch (k1) on described wire；
When civil power is normal, k1 closes, and k2, k3 disconnect, and super capacitor 3 charges；
During city's electrical anomaly, k2 close, k1 disconnect, by super capacitor power galvanic pile module start, when galvanic pile module start to suitable
During the state of output, k3 closes, and k2 disconnects, and k1 closes, and galvanic pile module 1 output electric energy is powered, and charges to super capacitor simultaneously；
When civil power is back to normal again, k3 disconnects, and k2 disconnects, and k1 closes mains-supplied, and super capacitor charges.
2. a kind of backup power system of fuel cell based on super capacitor startup according to claim 1, its feature exists
In described Fuel Cell Control/aid system module includes the normal control system run of control whole system and is pile
Hydrogen, oxygen fuel the aid system that system operation is cooled down are provided.
3. a kind of backup power system of fuel cell based on super capacitor startup according to claim 1, its feature exists
In described commercial power rectification module is simulation actual condition, and simulation externally fed is normal and the module of blackout condition.
4. a kind of backup power system of fuel cell based on super capacitor startup according to claim 1, its feature exists
In described load blocks are the equipment of the power consumption of simulation actual condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410270536.5A CN104092280B (en) | 2014-06-17 | 2014-06-17 | Fuel cell standby power source system based on super capacitor starting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410270536.5A CN104092280B (en) | 2014-06-17 | 2014-06-17 | Fuel cell standby power source system based on super capacitor starting |
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| Publication Number | Publication Date |
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| CN104092280A CN104092280A (en) | 2014-10-08 |
| CN104092280B true CN104092280B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410270536.5A Active CN104092280B (en) | 2014-06-17 | 2014-06-17 | Fuel cell standby power source system based on super capacitor starting |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047968B (en) * | 2015-08-26 | 2018-08-10 | 苏州弗尔赛能源科技股份有限公司 | A kind of auxiliary energy storage device of fuel cell emergency power generation vehicle |
| CN110071570A (en) * | 2018-01-24 | 2019-07-30 | 湖州师范学院 | A kind of elevator emergency power-supply system and control method based on fuel cell and super capacitor |
| CN113561802B (en) * | 2021-09-22 | 2021-12-21 | 北京亿华通科技股份有限公司 | Operation auxiliary device of vehicle-mounted fuel cell and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1263618C (en) * | 2002-08-14 | 2006-07-12 | 上海燃料电池汽车动力系统有限公司 | Power system of electric-electric mixed fuel battery automobile |
| CN102013503B (en) * | 2010-11-04 | 2012-09-05 | 北京万瑞讯通科技有限公司 | Fuel cell standby power supply control system and control method thereof |
| KR101979052B1 (en) * | 2011-12-09 | 2019-05-15 | 인텔리전트 에너지 리미티드 | Systems and methods for managing a fuel cell |
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Address after: Yushan Zhen Shan song road Kunshan city Suzhou city Jiangsu province 215316 No. 66 Applicant after: SUZHOU FORESIGHT ENERGY TECHNOLOGY CO.,LTD. Address before: Yushan Zhen Shan song road Kunshan city Suzhou city Jiangsu province 215316 No. 66 Applicant before: The game of Suzhou energy science and technology Ltd. Address after: Yushan Zhen Shan song road Kunshan city Suzhou city Jiangsu province 215316 No. 66 Applicant after: The game of Suzhou energy science and technology Ltd. Address before: Yushan Zhen Shan song road Kunshan city Suzhou city Jiangsu province 215316 No. 66 Applicant before: KUNSHAN FUERSAI ENERGY Co.,Ltd. |
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