CN109167085A - One kind being based on fuel cell hybrid power source energy flow control device - Google Patents
One kind being based on fuel cell hybrid power source energy flow control device Download PDFInfo
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- CN109167085A CN109167085A CN201810868079.8A CN201810868079A CN109167085A CN 109167085 A CN109167085 A CN 109167085A CN 201810868079 A CN201810868079 A CN 201810868079A CN 109167085 A CN109167085 A CN 109167085A
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- Prior art keywords
- fuel cell
- capacity
- module
- control device
- power source
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The present invention provides one kind based on fuel cell hybrid power source energy flow control device, belongs to field of fuel cell technology.It should include fuel cell module and savings battery module based on fuel cell hybrid power source energy flow control device, fuel cell module is equipped with power control part, and savings battery module is equipped with battery capacity part.Power control part in the present invention reduces output power when real time capacity is greater than the first capacity, power control part increase when real time capacity is less than the second capacity output power and meanwhile be load supplying and be save battery module charge so that battery capacity part detection real time capacity be preset capacity, guarantee that fuel cell module tends towards stability operation, improve the service life of fuel cell module, the state of optimization savings battery module, it is set to avoid overshoot over-discharge, it works under preferably state, in conjunction with the advantage of fuel cell module and savings battery module respectively, the reliability of raising system.
Description
Technical field
The invention belongs to field of fuel cell technology, are related to a kind of based on fuel cell hybrid power source energy flow control dress
It sets.
Background technique
Fuel cell has many advantages, such as power supply system, but its dynamic response has certain time lag.Work as load
When power swing, the output power of fuel cell need to just adapt to the variation of load through adjustment after a period of time.Therefore, it is necessary to
Energy density and all biggish auxiliary power supply of power density are complementary with fuel cell, are jointly load supplying, are guaranteeing to transport
Under the premise of row performance, energy utilization rate is improved.Fuel cell performance power-on time is long, the advantages such as high-efficient；Auxiliary power supply dress
Setting performance, it responds the features such as fast, energy feedback is easy, to make up the slow defect of fuel cell dynamic responding speed.
Fuel cell is in actual application environment, and there are the various workings such as load, load shedding, stabilization, leads to AC-battery power source function
The fluctuation of rate is uncontrollable.Fuel cell makes typical multiple input/multiple output, a close coupling nonlinear system, output voltage
It is in serious non-linear relation with parameters such as load, hydrogen flowing quantity, air mass flow, temperature, humidity.When load frequent fluctuation,
The performance of fuel cell, service life can be greatly reduced.The input characteristics of auxiliary power supply is more complicated, state-of-charge (SOC)
Also it is in non-linear relation with parameters such as voltage, electric current, temperature, SOC is caused to be difficult to measurement and control.In addition, in order to reduce volume
And weight, auxiliary power supply answer it is as small as possible, which again increases system control difficulty.Therefore, design controller improves combustion
Expect the dynamic response capability of battery, and rationally control fuel cell, the energy stream between auxiliary power supply and load guarantees power supply
System is continuous, even running, and the durability for improving fuel cell is a critical issue.
In the application, it is typically chosen energy-storage battery and fuel cell together constitutes with AC-battery power source, comprehensively utilize fuel cell
The advantage that power-on time is long, energy-storage battery chugging characteristic is strong, energy density is big, meets loading demand.Both energy sources
With different changed power gradients, continuous charge and discharge time response and constraint condition, and because output-power fluctuation is violent, cause
Make the long-term work of the electric devices such as DC/DC in power-supply system in unstable condition, system operating point is in dynamic change, is protected
Demonstrate,prove hybrid power source system in severe working environment still can high-quality stable operation will face the challenge.
Summary of the invention
The present invention addresses the above problems in the prior art, provides a kind of based on fuel cell hybrid power source energy stream
Control device, the technical problems to be solved by the present invention are: how to provide a kind of control that can guarantee stable fuel cell operation
Device processed.
Object of the invention can be realized by the following technical scheme:
One kind being based on fuel cell hybrid power source energy flow control device, to powering load, including fuel cell module and
Battery module is saved, the fuel cell module is equipped with the function to control fuel cell module output power within a preset time
Rate control piece, the savings battery module are equipped with the battery capacity part to detect savings battery module real time capacity, the function
Rate control piece the real time capacity that battery capacity part detects be greater than the first capacity when reduce fuel cell module output power,
Battery capacity part detection real time capacity less than the second capacity when increase fuel cell module output power be load supplying and
It is charged for savings battery module so that the real time capacity of battery capacity part detection is preset capacity.
Preferably, the fuel cell module is equipped with to when power control part controls fuel cell module output power
Limited output is in the power limited part in the first power and the second power.
It preferably, further include to save the current detecting part for detecting charging current when battery module charging.
Preferably, further include to save battery module charging when constant charge electric current current stabilization part.
Preferably, the current stabilization part is flow straightener.
Preferably, the alarm of to further include to the real time capacity that detects in battery capacity part be preset capacity alarm.
It preferably, further include to disconnect fuel cell module and save the power-off part and use of the circuit between battery module
The controller of control power-off part when using the real time capacity detected in battery capacity part as preset capacity.
Preferably, the power-off part is electromagnetic relay.
Preferably, the power-off part is dry-reed relay.
Preferably, the controller is single-chip microcontroller.
Power control part in the present invention reduces fuel when the real time capacity that battery capacity part detects is greater than the first capacity
The output power of battery module, power control part increase fuel when the real time capacity that battery capacity part detects is less than the second capacity
The output power of battery module be simultaneously load supplying and be save battery module charge so that the detection of battery capacity part it is real-time
Capacity is preset capacity, guarantees that fuel cell module tends towards stability operation, improves the service life of fuel cell module, optimization savings electricity
The state of pond module makes it avoid overshoot over-discharge, works under preferably state, in conjunction with fuel cell module and savings battery
The advantage of module respectively, and complementation is carried out to disadvantage, improve the reliability of system.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
In figure: 1- saves battery module, 11- battery capacity part, 2- fuel cell module, 21- power control part, 22- function
Rate stopper, 3- current detecting part, 4- current stabilization part, 51- power off part, 52- controller, 6- alarm.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Referring to Fig. 1, in the present embodiment based on fuel cell hybrid power source energy flow control device, to be supplied to load
Electricity, including fuel cell module 2 and savings battery module 1, fuel cell module 2 are equipped with to control fuel within a preset time
The power control part 21 of 2 output power of battery module, savings battery module 1 is equipped with to be held in real time to detect savings battery module 1
The battery capacity part 11 of amount, power control part 21 reduce combustion when the real time capacity that battery capacity part 11 detects is greater than the first capacity
Expect the output power of battery module 2, increase fuel cell when the real time capacity that battery capacity part 11 detects is less than the second capacity
The output power of module 2 is load supplying and is to save battery module 1 to charge so that the real time capacity that battery capacity part 11 detects
For preset capacity.
Herein, power control part 21 can reduce combustion when the real time capacity that battery capacity part 11 detects is greater than the first capacity
Expect that the output power of battery module 2, the real time capacity that power control part 21 can be detected in battery capacity part 11 hold less than second
Increase the output power of fuel cell module 2 when amount, fuel cell module 2 is load supplying and is savings battery module 1 simultaneously
It charges so that the real time capacity that battery capacity part 11 detects is preset capacity, fuel cell module 2 is meeting load power demand
Under the premise of for savings battery module 1 charge, can choose the mode of constant current fast charge, with most fast speed battery capacity reached
To desired value.Guarantee that fuel cell module 2 tends towards stability operation, guarantees 2 internal chemical stable reaction of fuel cell module, raising
The service life of fuel cell module 2, the state of optimization savings battery module 1 make it avoid overshoot over-discharge, under preferably state
Work in conjunction with fuel cell module 2 and the respective advantage of savings battery module 1, and carries out disadvantage complementary, and that improves system can
By property.Power control part 21 can be thyristor power regulating eqiupment, silicon controlled rectifier regulation device or thyristor regulating depressor.
Fuel cell module 2 can be equipped with to control the 2 output power time limit of fuel cell module in power control part 21
Output power is determined in the power limited part 22 in the first power and the second power.Power limited part 22 can be power limit
Device, the first power can be greater than the second power, and the absolute value of the first power can be equal to the absolute value of the second power, thus
It can guarantee that fuel cell module 2 is run in rated power, avoid the output power fluctuation of fuel cell module 2, protect
2 stable operation of fuel cell module is demonstrate,proved, the service life of fuel cell module 2 is improved.
As in the present embodiment can also including to store up based on fuel cell hybrid power source energy flow control device
The current detecting part 3 of charging current is detected when battery module 1 charges, current detecting part 3 can be ammeter, thus can be with
Real-time detection saves the charging current of battery module 1, guarantees savings 1 safe charging of battery module.
As in the present embodiment can also including to store up based on fuel cell hybrid power source energy flow control device
The current stabilization part 4 of constant charge electric current when battery module 1 charges thus can guarantee to fill when saving battery module 1 and charging
Electric current maintains to stablize, and avoids savings 1 super-charge super-discharge of battery module, guarantees that savings battery module 1 is safely operated, improves savings electricity
The service life of pond module 1.
Current stabilization part 4 can be flow straightener.Flow straightener can be used to stabilizing circuit electric current, become in input voltage and load impedance
In the case where change, it is constant to be able to maintain load current.
As in the present embodiment can also including in electricity based on fuel cell hybrid power source energy flow control device
The real time capacity that tankage part 11 detects is the alarm 6 of preset capacity alarm, and alarm 6 can be combined aural and visual alarm 6, this
Sample, which can facilitate, reminds user's charging complete, disconnects charging circuit, and savings battery module 1 is avoided to overcharge, and improves savings battery
The service life of module 1.
As in the present embodiment can also including to disconnect based on fuel cell hybrid power source energy flow control device
The power-off part 51 of circuit between fuel cell module 2 and savings battery module 1 and the reality to be detected in battery capacity part 11
The controller 52 of control power-off part 51 when Shi Rongliang is preset capacity.
Powering off part 51 can be electromagnetic relay.Electromagnetic relay may include electromagnet, armature, spring, movable contact and
Stationary contact, the switch in closed low control circuit, electric current generate magnetic field by magnet spool, to draw to armature generation
Power contacts dynamic and static contact, makes fuel cell module 2 and saves the closing of circuit between battery module 1, opens when disconnecting low pressure
Guan Shi, the current vanishes in coil, armature under the action of the spring, disengage dynamic and static contact, make fuel cell module 2 and storage
Circuit between battery module 1 disconnects.
Powering off part 51 can be dry-reed relay.Dry-reed relay may include that Dry feed piece and magnet exciting coil form.
Dry feed piece (contact) be sealing, be made by iron-nickel alloy, the contact portion of tongue piece be typically coated with precious metal (as gold,
Rhodium, palladium etc.), contact is good, has excellent electric conductivity.After coil is powered, in pipe two account for the free end of reed respectively by
It is magnetized into the pole N and the pole S and attracts each other, thus connect fuel cell module 2 and save the circuit between battery module 1.Coil
After power-off, dry reed separates under the elastic force effect of itself, will be between fuel shutoff battery module 2 and savings battery module 1
Circuit.
Controller 52 can be single-chip microcontroller.Single-chip microcontroller can be STM32 single-chip microcontroller, thus can be in battery capacity part 11
Controller 52 accurately controls power-off part 51 and disconnects fuel cell module 2 and savings electricity when the real time capacity of detection is preset capacity
Circuit between pond module 1.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. one kind is based on fuel cell hybrid power source energy flow control device, to powering load, it is characterised in that: including combustion
Expect battery module (2) and savings battery module (1), the fuel cell module (2) is equipped with to control combustion within a preset time
Expect the power control part (21) of battery module (2) output power, the savings battery module (1) is equipped with to detect savings battery
The battery capacity part (11) of module (1) real time capacity, the power control part (21) are detected real-time in battery capacity part (11)
Capacity reduces the output power of fuel cell module (2), in the real-time appearance of battery capacity part (11) detection when being greater than the first capacity
The output power for increasing fuel cell module (2) when measuring less than the second capacity is load supplying and is that savings battery module (1) are filled
Electricity is so that the real time capacity of battery capacity part (11) detection is preset capacity.
2. as described in claim 1 a kind of based on fuel cell hybrid power source energy flow control device, it is characterised in that: described
Fuel cell module (2) is equipped with to limit output when power control part (21) control fuel cell module (2) output power
Power is in the power limited part (22) in the first power and the second power.
3. as claimed in claim 1 or 2 a kind of based on fuel cell hybrid power source energy flow control device, it is characterised in that:
It further include the current detecting part (3) to detect charging current when saving battery module (1) and charging.
4. as claimed in claim 1 or 2 a kind of based on fuel cell hybrid power source energy flow control device, it is characterised in that:
It further include the current stabilization part (4) to the constant charge electric current when saving battery module (1) and charging.
5. as claimed in claim 4 a kind of based on fuel cell hybrid power source energy flow control device, it is characterised in that: described
Current stabilization part (4) is flow straightener.
6. as claimed in claim 1 or 2 a kind of based on fuel cell hybrid power source energy flow control device, it is characterised in that:
The alarm (6) of to further include to the real time capacity that detects in battery capacity part (11) be preset capacity alarm.
7. as claimed in claim 1 or 2 a kind of based on fuel cell hybrid power source energy flow control device, it is characterised in that:
Further include to disconnect fuel cell module (2) and save battery module (1) between circuit power-off part (51) and to
The controller (52) of control power-off part (51) when the real time capacity of battery capacity part (11) detection is preset capacity.
8. as claimed in claim 7 a kind of based on fuel cell hybrid power source energy flow control device, it is characterised in that: described
Powering off part (51) is electromagnetic relay.
9. as claimed in claim 7 a kind of based on fuel cell hybrid power source energy flow control device, it is characterised in that: described
Powering off part (51) is dry-reed relay.
10. as claimed in claim 7 a kind of based on fuel cell hybrid power source energy flow control device, it is characterised in that: institute
Stating controller (52) is single-chip microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810868079.8A CN109167085A (en) | 2018-08-02 | 2018-08-02 | One kind being based on fuel cell hybrid power source energy flow control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810868079.8A CN109167085A (en) | 2018-08-02 | 2018-08-02 | One kind being based on fuel cell hybrid power source energy flow control device |
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| CN109167085A true CN109167085A (en) | 2019-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810868079.8A Pending CN109167085A (en) | 2018-08-02 | 2018-08-02 | One kind being based on fuel cell hybrid power source energy flow control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652794A (en) * | 2020-12-18 | 2021-04-13 | 福州大学 | Cathode open type fuel cell thermal management system and method using time lag information |
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| US4839574A (en) * | 1987-05-08 | 1989-06-13 | Fuji Electric Co., Ltd. | Generator system utilizing a fuel cell |
| US20020171397A1 (en) * | 2001-05-21 | 2002-11-21 | Cellex Power Products, Inc. | Hybrid energy storage device charge equalization system and method |
| CN102097669A (en) * | 2009-11-10 | 2011-06-15 | 巴莱诺斯清洁能源控股公司 | Method of operating a fuel cell/battery passive hybrid power supply |
| US20120308851A1 (en) * | 2010-12-17 | 2012-12-06 | Takashi Akiyama | Fuel cell system and method for controlling the same |
| CN104836319A (en) * | 2015-05-26 | 2015-08-12 | 武汉众宇动力系统科技有限公司 | Integrated fuel cell power supply system |
| CN107093756A (en) * | 2017-05-05 | 2017-08-25 | 浙江高成绿能科技有限公司 | A kind of fuel cell system and its control method based on chemical hydrogen manufacturing |
| CN208522031U (en) * | 2018-08-02 | 2019-02-19 | 浙江高成绿能科技有限公司 | One kind being based on fuel cell hybrid power source energy flow control device |
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2018
- 2018-08-02 CN CN201810868079.8A patent/CN109167085A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4839574A (en) * | 1987-05-08 | 1989-06-13 | Fuji Electric Co., Ltd. | Generator system utilizing a fuel cell |
| US20020171397A1 (en) * | 2001-05-21 | 2002-11-21 | Cellex Power Products, Inc. | Hybrid energy storage device charge equalization system and method |
| CN102097669A (en) * | 2009-11-10 | 2011-06-15 | 巴莱诺斯清洁能源控股公司 | Method of operating a fuel cell/battery passive hybrid power supply |
| US20120308851A1 (en) * | 2010-12-17 | 2012-12-06 | Takashi Akiyama | Fuel cell system and method for controlling the same |
| CN104836319A (en) * | 2015-05-26 | 2015-08-12 | 武汉众宇动力系统科技有限公司 | Integrated fuel cell power supply system |
| CN107093756A (en) * | 2017-05-05 | 2017-08-25 | 浙江高成绿能科技有限公司 | A kind of fuel cell system and its control method based on chemical hydrogen manufacturing |
| CN208522031U (en) * | 2018-08-02 | 2019-02-19 | 浙江高成绿能科技有限公司 | One kind being based on fuel cell hybrid power source energy flow control device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652794A (en) * | 2020-12-18 | 2021-04-13 | 福州大学 | Cathode open type fuel cell thermal management system and method using time lag information |
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