CN108233512A - A kind of fuel cell hybrid power system - Google Patents
A kind of fuel cell hybrid power system Download PDFInfo
- Publication number
- CN108233512A CN108233512A CN201611156912.3A CN201611156912A CN108233512A CN 108233512 A CN108233512 A CN 108233512A CN 201611156912 A CN201611156912 A CN 201611156912A CN 108233512 A CN108233512 A CN 108233512A
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- China
- Prior art keywords
- energy storage
- storage component
- charging
- fuel cell
- contactor
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of fuel cell hybrid power systems, it is specially a kind of for the fuel cell hybrid power system of the load discontinuously to work, pass through the series and parallel structure of the management of charging and discharging the regulation of electrical circuit energy storage component in system, it is charged under parallel connection by fuel cell by charger for energy storage component, energy storage component is load supplying under series connection.The present invention is according to the working characteristics of load, adjust the structure of energy storage component, it reduces to charger requirement, the electric energy for realizing fuel cell output is output to the conversion of short time high-power output by continuous low power, realizes matching of the low-voltage without using DC/DC modules to high voltage, the loss of electric energy is reduced, improves fuel utilization efficiency.
Description
Technical field
The present invention relates to a kind of fuel cell hybrid power systems, are particularly suitable for load discontinuous operation and rated power
Far above the fuel cell hybrid power system of fuel cell rated output power.
Background technology
Fuel cell system is a kind of electrochemical reaction dress that the chemical energy being stored in fuel is converted into electric energy
It puts.Due to fuel cell system dynamic response deficiency, power characteristic is not as good as the energy storage components such as lithium battery, super capacitor, usual feelings
Hybrid power system is formed under condition together with the energy storage components such as fuel cell and lithium battery, then is by devices such as DC/DC modules
Load supplying.This hybrid power system is in most cases load supplying by fuel cell, when there is peak power by
Fuel cell and energy storage component are load supplying together.It discontinuously works for those, once the power that works together is again very big,
And the load that dwell time is more many than longevity of service, common hybrid power system obviously do not apply to.
Invention content
For what is discontinuously worked, once the power that works together is again very big, and the time stopped is longer than the time of work
Many loads, present invention offer is a kind of for loading the fuel cell hybrid power system discontinuously to work, by system
Management of charging and discharging the regulation of electrical circuit energy storage component series and parallel structure, under parallel connection by fuel cell by charger for storage
Energy component charging, energy storage component is load supplying under series connection.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of fuel cell hybrid power system, including fuel cell, charger, management of charging and discharging circuit, M contactor
With M+1 energy storage component, wherein M is the natural number more than or equal to 1；
The electricity output end of the fuel cell simultaneously with the input terminal of the charger and the management of charging and discharging circuit
Input terminal is electrically connected；The output terminal of the charger is electrically connected through the management of charging and discharging circuit with energy storage component；
M coil of M contactor is electrically connected respectively with management of charging and discharging circuit contactor coil control terminal；M-th
The cathode of energy storage component and the anode of the M+1 energy storage component are electrically connected with the contact of m-th contactor；The M energy storage part
The anode and cathode of part are electrically connected respectively with charge and discharge pipeline circuit energy storage component charging terminal；
When the anode and cathode of the M+1 energy storage component are disconnected with the contact of the M contactor, the M+1 storage
Energy component is parallel connection, and the fuel cell is charged simultaneously by the charger for M+1 energy storage component；
When the contact closure of the anode and cathode and the M contactor of the M+1 energy storage component, the M+1
Energy storage component is series connection, and M+1 energy storage component after series connection directly provides electric energy for a load.
The management of charging and discharging circuit controls the charging circuit of the M+1 energy storage component by electromagnetic relay, passes through
D.C. contactor controls the discharge circuit of the M+1 energy storage component.
The fuel cell hybrid power system has the function of to show charging and discharging state；Energy storage component is secondary cell.
The present invention adjusts the structure of energy storage component, reduces to charger requirement, realize according to the working characteristics of load
The electric energy of fuel cell output is output to the conversion of short time high-power output by continuous low power, realizes without using DC/DC
Low-voltage to the matching of high voltage, reduce the loss of electric energy, improve fuel utilization efficiency.
Description of the drawings
Fig. 1 is a kind of structure of the fuel cell hybrid power system of load for discontinuously working provided by the invention
Schematic diagram.
Wherein, 101 be fuel cell, is produced electricl energy, the output of fuel cell and the input of charger, management of charging and discharging electricity
The input on road is connected, and powers for both parts.102 be charger, and the output of charger is connected with management of charging and discharging circuit, is led to
Discharging management circuit is overcharged to charge for energy storage component.103 be management of charging and discharging circuit, adjusts the series and parallel structure of energy storage component,
Show charging and discharging state.104 be first contactor, and contact connects the cathode of the first energy storage component, the second energy storage component respectively
Anode.105 be second contactor, and contact connects the anode of the cathode of the second energy storage component, third energy storage component respectively.106 are
Third contactor, contact connect the anode of the cathode of third energy storage component, the 4th energy storage component respectively.107 be the first energy storage part
Part.108 be the second energy storage component.109 be third energy storage component.110 be the 4th energy storage component.111 be energy storage component charging end
Son.112nd, 113,114 be contactor coil control terminal.Anode, the cathode of four energy storage components are electric with charge and discharge pipeline respectively
Road energy storage component charging terminal electrical connection, stores electric energy, is load supplying when loaded work piece.
Fig. 2 is a kind of energy storage of the fuel cell hybrid power system of load for discontinuously working provided by the invention
Component management of charging and discharging schematic diagram.
Wherein 104~106 be respectively first contactor, second contactor, third contactor.107~110 be respectively first
Energy storage component, the second energy storage component, third energy storage component, the 4th energy storage component.201 be the first energy storage component anode charging relay
Device.202 be the second energy storage component anode charge relay.203 be third energy storage component anode charge relay.204 be the 4th
Energy storage component anode charge relay.205 be the first energy storage component cathode charge relay.206 be the second energy storage component cathode
Charge relay.207 be third energy storage component cathode charge relay.208 be the 4th energy storage component cathode charge relay.When
When load does not work, management of charging and discharging circuit is disconnected 104~106, and 201~208 are closed, and each energy storage component is adjusted to shape in parallel
State charges together；201~208 disconnect after charging, and 104~106 are closed, and each energy storage component is adjusted to series-like
State is load supplying.
Fig. 3 is the management of charging and discharging circuit theory schematic diagram that the present invention uses.
Wherein 301 be microcontroller, using ATmega16 microcontrollers.302 be driver, using ULN2003.303 be N ditches
Road MOSFET, using Si4190ADY.104 be first contactor, using LEV100 type D.C. contactors.201 be the first energy storage part
Part anode charge relay, using G5V-1 type electromagnetic relays.The control mode of other contactors and 104 control mode
Similar, the control mode of other electromagnetic relays is similar to 201 control mode.Microcontroller sends out finger according in house software
It enables and passes through the working condition that driver controls 201~208 respectively, control 104~106 working condition respectively by MOSFET.
Microcontroller shows the state of charge and discharge by LCD MODULE.
The management of charging and discharging circuit control program circuit schematic diagram that Fig. 4 present invention uses.
Charge mode is introduced into after the work of management of charging and discharging circuit, liquid crystal display mode BOB(beginning of block) shows charged state, starts
Countdown.If the charging time enters discharge mode after reaching preset value, continue if the charging time does not reach preset value
Charging.Into after discharge mode, liquid crystal display mode BOB(beginning of block) discharge condition starts countdown.If discharge time reaches default
Enter charge mode after value, continue to keep discharge condition if the charging time does not reach preset value.So cycle.
Specific embodiment
To further illustrate the present invention, following embodiment is enumerated.
Embodiment 1
Use the DMFC systems that output power is 16~30V for 100W, output voltage.The specification of charger is 50V 2A,
Charging modes are CCCV.Using LEV100 type D.C. contactors, G5V-1 type electromagnetic relays.Use 4 nominal voltages for
The lithium battery group that 43.2V, nominal capacity are 1.6Ah is energy storage component.The model SMG12232ZK of Liquid Crystal Module.Charging time
It is set as 30 minutes, discharge time is set as 1 minute.
Claims (3)
1. a kind of fuel cell hybrid power system, it is characterised in that：Including fuel cell, charger, management of charging and discharging circuit,
M D.C. contactor and M+1 energy storage component, wherein M are the natural number more than or equal to 1；
The input with the input terminal and the management of charging and discharging circuit of the charger simultaneously of the electricity output end of the fuel cell
End electrical connection；The output terminal of the charger is electrically connected through the management of charging and discharging circuit with energy storage component；
M coil of M D.C. contactor is electrically connected respectively with management of charging and discharging circuit contactor coil control terminal；M-th
The cathode of energy storage component and the anode of the M+1 energy storage component are electrically connected with the contact of m-th contactor；The M energy storage part
The anode and cathode of part are electrically connected respectively with management of charging and discharging circuit energy storage component charging terminal；
When the anode and cathode of the M+1 energy storage component are disconnected with the contact of the M contactor, the M+1 energy storage part
Part is parallel connection, and the fuel cell is charged simultaneously by the charger for M+1 energy storage component；
When the contact closure of the anode and cathode and the M contactor of the M+1 energy storage component, the M+1 energy storage
Component is series connection, and M+1 energy storage component after series connection directly provides electric energy for a load.
2. fuel cell hybrid power system as described in claim 1, it is characterised in that：The management of charging and discharging circuit passes through
Electromagnetic relay controls the charging circuit of the M+1 energy storage component, and the M+1 energy storage component is controlled by D.C. contactor
Discharge circuit.
3. fuel battery combination power-supply system described in accordance with the claim 1, it is characterised in that：The fuel cell composite power source
System has the function of to show charging and discharging state；Energy storage component is secondary cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611156912.3A CN108233512A (en) | 2016-12-15 | 2016-12-15 | A kind of fuel cell hybrid power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611156912.3A CN108233512A (en) | 2016-12-15 | 2016-12-15 | A kind of fuel cell hybrid power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108233512A true CN108233512A (en) | 2018-06-29 |
Family
ID=62651312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611156912.3A Pending CN108233512A (en) | 2016-12-15 | 2016-12-15 | A kind of fuel cell hybrid power system |
Country Status (1)
| Country | Link |
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| CN (1) | CN108233512A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113595120A (en) * | 2021-07-30 | 2021-11-02 | 杭州蓝力电动科技有限公司 | Novel power supply control method and system |
| CN114649552A (en) * | 2020-12-17 | 2022-06-21 | 中国科学院长春应用化学研究所 | Fuel cell power output control method |
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| JPS60138854A (en) * | 1983-12-27 | 1985-07-23 | Toshiba Corp | Protection equipment of fuel cell |
| CN101544197A (en) * | 2008-03-26 | 2009-09-30 | 通用汽车环球科技运作公司 | Method of fully charging an electrical energy storage device using a lower voltage fuel cell system |
| CN101707387A (en) * | 2009-11-18 | 2010-05-12 | 李维民 | Intermittent charge control circuit and rapid charging method thereof |
| CN201821261U (en) * | 2010-03-11 | 2011-05-04 | 昆山弗尔赛能源有限公司 | Backup power supply system based on fuel battery |
| CN105790382A (en) * | 2016-05-04 | 2016-07-20 | 周哲明 | Energy storage and energy conversion separated power battery system |
| CN205565803U (en) * | 2016-04-06 | 2016-09-07 | 李志明 | Rechargeable domestic appliance operating voltage switches module |
-
2016
- 2016-12-15 CN CN201611156912.3A patent/CN108233512A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60138854A (en) * | 1983-12-27 | 1985-07-23 | Toshiba Corp | Protection equipment of fuel cell |
| CN101544197A (en) * | 2008-03-26 | 2009-09-30 | 通用汽车环球科技运作公司 | Method of fully charging an electrical energy storage device using a lower voltage fuel cell system |
| CN101707387A (en) * | 2009-11-18 | 2010-05-12 | 李维民 | Intermittent charge control circuit and rapid charging method thereof |
| CN201821261U (en) * | 2010-03-11 | 2011-05-04 | 昆山弗尔赛能源有限公司 | Backup power supply system based on fuel battery |
| CN205565803U (en) * | 2016-04-06 | 2016-09-07 | 李志明 | Rechargeable domestic appliance operating voltage switches module |
| CN105790382A (en) * | 2016-05-04 | 2016-07-20 | 周哲明 | Energy storage and energy conversion separated power battery system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114649552A (en) * | 2020-12-17 | 2022-06-21 | 中国科学院长春应用化学研究所 | Fuel cell power output control method |
| CN113595120A (en) * | 2021-07-30 | 2021-11-02 | 杭州蓝力电动科技有限公司 | Novel power supply control method and system |
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Application publication date: 20180629 |