CN110190300A - The control system and its control method of fuel cell - Google Patents
The control system and its control method of fuel cell Download PDFInfo
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- CN110190300A CN110190300A CN201910407704.3A CN201910407704A CN110190300A CN 110190300 A CN110190300 A CN 110190300A CN 201910407704 A CN201910407704 A CN 201910407704A CN 110190300 A CN110190300 A CN 110190300A
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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
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
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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
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04126—Humidifying
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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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
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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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04746—Pressure; Flow
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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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04828—Humidity; Water content
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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
- 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
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- General Chemical & Material Sciences (AREA)
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Abstract
The present invention provides a kind of control system of fuel cell and its control methods.The control system includes gas conveying main line, humidification branch, main road flow controller and bypass flow controller, and gas conveying main line is connected to battery pile；The both ends of the humidifier that humidification branch has reflux pipeline and is set on reflux pipeline, reflux pipeline are connected to gas conveying main line；Main road flow controller is set on gas conveying main line, and is located at the upstream of humidification branch；Bypass flow controller is set to humidification branch road, and is located at the upstream of humidifier.Flow control independently is carried out to different media (reaction gas and humidification medium) by above-mentioned main road flow controller and bypass flow controller, the relatively independent control of multivariable is achieved the purpose that, avoid the coupling of heat between gas with various, improve the flexibility of regulation, to increase test process system run all right, the temperature and humidity speed of response and measuring accuracy are improved.
Description
Technical field
The present invention relates to field of fuel cell technology, in particular to the control system and its control of a kind of fuel cell
Method processed.
Background technique
Growth and not scientifical use with global energy usage amount, the non-renewable energy resources such as fossil fuel will be increasingly withered
It exhausts, and is seriously affected to environment generation, the new energy such as Hydrogen Energy, solar energy are developed to cope with energy crisis with regard to an urgent demand people
And problem of environmental pollution.Hydrogen Energy abundance, can be with Efficient Conversion, load of the use process without exhaust emission, as secondary energy sources
Body has important prospect in the fields such as industry, traffic.
Hydrogen fuel cell is to provide the energy conversion device in electrochemical reaction place for hydrogen and oxygen.With chemical energy storage electricity
Pond is different, and reaction medium (the hydrogen and air/oxygen) storage of hydrogen fuel cell is independently of reacting environment's (pile), in hydrogen
In fuel cell operations, reaction medium needs specific conveying equipment/component endlessly to convey to pile.In pile
Portion's design has anode flow field and cathode flow field is respectively that hydrogen and air/oxygen provide flow channel, also sets up and carries out for reaction
Membrane electrode (being mainly made of proton exchange membrane, catalyst and porous media etc.).Reaction process, hydrogen are sent to the anode of pile
(design has design in hydrogen supply flow of air channel or bipolar plates anode-side to have hydrogen supply flow of air on anode plate for plate or bipolar plates anode-side
Channel), the anode-side of membrane electrode is reached, under the effect of the catalyst, an electronics in hydrogen atom is separated, and loses electricity
The hydrogen ion (proton) of son passes through proton exchange membrane, reaches membrane electrode cathode side, and electronics cannot pass through proton exchange membrane, Zhi Nengjing
External circuit, reaches membrane electrode cathode side, this process produces electric current in external circuit.Proton and electronics and process cathode plate stream
(design has to flow to design to have on channel or bipolar plates anode-side for air/oxygen and lead to for air/oxygen flowing on cathode plate for field
Road) reach membrane electrode cathode side oxygen (or oxygen in air) be combined into water.When reaction carries out, the chemical energy of reaction medium
While being converted into electric energy, thermal energy can be also generated, most of thermal energy needs that pile is discharged by cooling medium in time, utilizes pile
External cooling device transfer or consumption.Pile reaction product is pure water, a part of membrane material for soaking inside pile, one
Divide and pile is taken out of by reaction end gas (the complete anode exhaust gas of unreacted and cathode exhaust gas).The electricity that fuel cell issues, it is transformed
The devices such as device, controller can be utilized targetedly.
To guarantee that fuel cell reaction is gone on smoothly, in addition to endlessly reaction medium is supplied, electric energy, thermal energy balance are defeated
Out etc. outside conditions, reacting environment also needs to guarantee that a certain amount of moisture exists, so that proton exchange membrane is in certain aquation shape
State, because the conducting power of proton is related with the water content of proton exchange membrane, water content is too low, and proton conductivity is weak, aqueous
It measures excessively high, membrane electrode water logging can be caused, lead to coupled gas diffusion or transmission channel water slug.Therefore, it is necessary to guarantee
One good water balance relationship.
The present invention provides a kind of control system of fuel cell and control methods, for solving fuel cell overdrying or water
The problems such as system performance caused by flooding is low, stability is poor.
Summary of the invention
The main purpose of the present invention is to provide a kind of control system of fuel cell and its control methods, existing to solve
The problem that the humid control precision of fuel cell is low in technology, the response time is long and stability is poor.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of control system of fuel cell, with
Battery pile connection, comprising: gas conveys main line, is connected to battery pile, for conveying fuel gas or oxic gas to battery pile；Humidification
Branch, with reflux pipeline and the humidifier being set on reflux pipeline, the both ends of reflux pipeline and gas conveying main line connect
It is logical；Main road flow controller is set on gas conveying main line, and is located at the upstream of humidification branch；Bypass flow controller, if
It is placed in humidification branch road, and is located at the upstream of humidifier.
Further, control system further include: Temperature and Humidity Control component is set to the gas conveying master of humidification downstream branch
On line, or it is set to humidification branch road, is adjusted for the temperature and humidity to fuel gas or oxic gas.
Further, humidifier has gas access, humidification medium inlet, gas vent and humidification media outlet, adds
Wet branch further include humidification medium circulation pipeline, humidification medium circulation pipeline respectively with humidification medium inlet and humidify media outlet
Connection, Temperature and Humidity Control component includes: humidification dielectric heater, is set on humidification medium circulation pipeline；And/or humidification medium
Condenser is set on humidification medium circulation pipeline.
Further, Temperature and Humidity Control component further includes humidification medium temperature detector, and humidification medium temperature detector is set
It is placed on humidification medium circulation pipeline, and is located at humidification dielectric heater and humidifies the downstream of medium condenser.
Further, Temperature and Humidity Control component includes: gas heater, is set on gas conveying main line, and be located at and add
The downstream of wet branch；And/or gas condenser, it is set on gas conveying main line, and be located at the downstream of humidification branch.
Further, control system further include: gas temperature detector is set on gas conveying main line, and is located at temperature
The downstream of humid control component；Gas humidity detector is set on gas conveying main line, and is located at Temperature and Humidity Control component
Downstream.
Further, control system further includes master controller, master controller respectively with Temperature and Humidity Control component, gas temperature
Detector and the electrical connection of gas moisture detector, for the testing result according to gas temperature detector and gas moisture detector
Adjust Temperature and Humidity Control component.
According to another aspect of the present invention, a kind of control method of fuel cell is provided, using above-mentioned control system,
Control system is connected to battery pile, and be provided in control system gas conveying main line, humidification branch, main road flow controller and
Bypass flow controller, humidification branch have reflux pipeline and humidifier, and method is led the following steps are included: conveying simultaneously to gas
Reaction gas is passed through in line and reflux pipeline, reaction gas is fuel gas or oxic gas；By main road flow controller adjust into
Enter gas flow in gas conveying main line, while the gas flow in reflux pipeline be adjusted by bypass flow controller,
And humidification process is carried out to the reaction gas in reflux pipeline using humidifier, to be conveyed in main line and reflux pipeline according to gas
The temperature and humidity of the reaction gas entered in battery pile is adjusted in the flow proportional of reaction gas.
Further, humidifier has gas access, humidification medium inlet, gas vent and humidification media outlet, adds
Wet branch further include humidification medium circulation pipeline, humidification medium circulation pipeline respectively with humidification medium inlet and humidify media outlet
Connection, Temperature and Humidity Control component include the humidification dielectric heater being set on humidification medium circulation pipeline and humidification medium condensation
Device, method reduce humidification the following steps are included: when the humidity of reaction gas is higher than the operating humidity setting range of control system
The heating power of dielectric heater, or increase the cold fluid flow of humidification medium condenser, to reduce the humidity of reaction gas；When
When the humidity of reaction gas is lower than operating humidity setting range, increase the heating power of humidification dielectric heater, or reduce humidification
The cold fluid flow of medium condenser, to improve the humidity of reaction gas；When the humidity of reaction gas meets operating humidity setting
When range, the heating power state of humidification dielectric heater is kept, or keep the cold fluid flow status of humidification medium condenser.
Further, Temperature and Humidity Control component includes gas heater and gas condenser, and gas heater and gas are cold
Condenser is respectively positioned on the gas conveying main line of humidification downstream branch, and method is the following steps are included: the temperature when reaction gas is higher than
When the running temperature setting range of control system, reduce the heating power of gas heater, or increase the cold flow of gas condenser
Body flow, to reduce the temperature of reaction gas；When the temperature of reaction gas is lower than the running temperature setting range of control system,
Increase the heating power of gas heater, or reduce the cold fluid flow of gas condenser, to improve the temperature of reaction gas；When
When the temperature of reaction gas meets running temperature setting range, the heating power state of gas heater is kept, or keep gas
The cold fluid flow status of condenser.
Apply the technical scheme of the present invention, provide a kind of control system of fuel cell, including gas conveying main line and
Branch is humidified, the gas conveying main line that humidification branch has reflux pipeline and is set on gas conveying main line reflux pipeline adds
Wet device, the control system further include main road flow controller and bypass flow controller, pass through above-mentioned main road flow controller
And bypass flow controller independently carries out flow control to different media (reaction gas and humidification medium), has reached more
The purpose of the relatively independent control of variable, avoids the coupling of heat between gas with various, improves the flexibility of regulation, thus
Increase test process system run all right, improves the temperature and humidity speed of response and measuring accuracy.
Detailed description of the invention
The Figure of description for constituting a part of the invention is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows a kind of connection structure signal of the control system of fuel cell provided by embodiment of the present invention
Figure.
Wherein, the above drawings include the following reference numerals:
1, fuel gas gas source；101, first flow controller；102, second flow controller；103, third flow control
Device；104, the 4th flow controller；11, battery pile；111, first switch valve；112, second switch valve；113, third switch valve；
114, the 4th switch valve；12, it loads；121, first gas temperature detector；122, second gas temperature detector；123, first
Humidify medium temperature detector；124, the second humidification medium temperature detector；125, into heap coolant temperature detector；126, go out
Heap coolant temperature detector；131, the first moisture detector；132, the second moisture detector；2, oxic gas gas source；21, first
Humidifier；22, the first delivery pump；23, primary heater；24, the first condenser；25, secondary heater；26, the second condenser；
3, anode exhaust gas；31, the second humidifier；32, the second delivery pump；33, third heater；34, third condenser；35, the 4th adds
Hot device；36, the 4th condenser；4, cathode exhaust gas；42, coolant pump；43, coolant heater；44, cooling water radiator.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein.In addition, term " includes " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of steps or units
Process, method, system, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include without clear
Other step or units listing to Chu or intrinsic for these process, methods, product or equipment.
As described in background technique, humid control precision generally existing in the test process of fuel cell at present
Low, the problems such as response time is long, stability is poor.The present inventor studies regarding to the issue above, proposes a kind of combustion
The control system for expecting battery, is connected to battery pile, including gas conveying main line, humidification branch, main road flow controller and branch
Flow controller, gas conveying main line is connected to battery pile, for conveying fuel gas or oxic gas to battery pile；Humidify branch tool
The both ends of the humidifier for having reflux pipeline and being set on reflux pipeline, reflux pipeline are connected to gas conveying main line；Main road
Flow controller is set on gas conveying main line, and is located at the upstream of humidification branch；Bypass flow controller is set to humidification
Branch road, and it is located at the upstream of humidifier.
The present invention independently reacts different media by above-mentioned main road flow controller and bypass flow controller
Gas and humidification medium carry out flow control, have achieved the purpose that the relatively independent control of multivariable, avoid heat between gas with various
The coupling of amount, improves the flexibility of regulation, to increase test process system run all right, improves temperature and humidity response
Rate and measuring accuracy.
By above-mentioned gas conveying main line be fuel gas feed-line for, as shown in Figure 1, fuel gas feed-line respectively with
Fuel gas gas source 1 is connected to the anode of battery pile 11, and above-mentioned humidification branch has the first reflux pipeline and is set to first time
The first humidifier 21 on flow tube line, the entrance and exit of the first reflux pipeline are connected to fuel gas feed-line, at this point, on
Stating control system further includes first flow controller 101 and second flow controller 102, and first flow controller 101 is set to
On fuel gas feed-line, and it is located at the upstream of fuel dilution with steam branch；Second flow controller 102 is set to the first return pipe
On line, and it is located at the upstream of the first humidifier 21.
It is also provided with first switch valve 111 on the fuel gas feed-line in above-mentioned 101 downstream of first flow controller,
To control flowing of the fuel gas adjusted by first flow controller 101 to battery pile 11.Above-mentioned second flow controller
Second switch valve 112 also can be set on first reflux pipeline in 102 downstreams, passed through second flow controller for controlling
Flowing of 102 fuel gas adjusted to battery pile 11.
By taking above-mentioned gas conveying main line is oxic gas feed-line as an example, as shown in Figure 1, oxic gas feed-line distinguishes oxygen
Change gas gas source 2 to be connected to the cathode of battery pile 11, above-mentioned humidification branch has the second reflux pipeline and is set to the second reflux
The second humidifier 31 on pipeline, the entrance and exit of the second reflux pipeline is connected to oxic gas feed-line, at this point, above-mentioned
Control system further includes third flow controller 103 and the 4th flow controller 104, and third flow controller 103 is set to oxygen
Change on letter shoot line, and is located at the upstream of oxic gas humidification branch；4th flow controller 104 is set to the second reflux pipeline
On, and it is located at the upstream of the second humidifier 31.
It is also provided with third switch valve 113 on the oxic gas feed-line in above-mentioned 103 downstream of third flow controller,
To control flowing of the oxic gas adjusted by third flow controller 103 to battery pile 11.Above-mentioned 4th flow controller
The 4th switch valve 114 also can be set on second reflux pipeline in 104 downstreams, passed through the 4th flow controller for controlling
Flowing of 104 oxic gas adjusted to battery pile 11.
Above-mentioned control system of the invention can also include Temperature and Humidity Control component, which, which is set to, adds
Wet downstream branch gas conveying main line on, or be set to humidification branch road, for the temperature and humidity to fuel gas or oxic gas into
Row is adjusted.
Above-mentioned humidifier has gas access, humidification medium inlet, gas vent and humidification media outlet, humidifies branch
It further include humidification medium circulation pipeline, humidification medium circulation pipeline is connected to humidification medium inlet and humidification media outlet respectively,
Preferably, above-mentioned Temperature and Humidity Control component includes that humidification dielectric heater and/or humidification medium condenser, above-mentioned humidification medium add
Hot device and above-mentioned humidification medium condenser are all set on humidification medium circulation pipeline.
It is further preferable that above-mentioned Temperature and Humidity Control component further includes humidification medium temperature detector, humidification medium temperature inspection
It surveys device to be set on humidification medium circulation pipeline, and is located at humidification dielectric heater and humidifies the downstream of medium condenser.
By taking above-mentioned gas conveying main line is fuel gas feed-line as an example, above-mentioned Temperature and Humidity Control component is set to fuel gas
On feed-line, and it is located at the downstream of humidification branch, is adjusted for the temperature and humidity to fuel gas；As shown in Figure 1, plus
The first humidifier 21 in wet branch has fuel gas entrance, the first humidification medium inlet, fuel gas outlet and adds first wet
Media outlet, fuel dilution with steam branch further include first circulation pipeline, and first circulation pipeline humidifies medium inlet with first respectively
With first humidification media outlet be connected to, at this point, above-mentioned Temperature and Humidity Control component including the first delivery pump 22, primary heater 23,
First condenser 24 and the first humidification medium temperature detector 123, primary heater 23 and the first condenser 24 are all set in the
On one humidification medium circulation pipeline, the first delivery pump 22 is set to above-mentioned primary heater 23 and above-mentioned first condenser, 24 upstream
First humidification medium circulation pipeline on, first humidification medium temperature detector 123 be set to above-mentioned primary heater 23 with it is upper
It states on the first humidification medium circulation pipeline in 24 downstream of the first condenser, wherein primary heater 23 and the first condenser 24 are used for
The temperature of balance humidification medium, and then indirect adjustments and controls humidity.
By taking above-mentioned gas conveying main line is oxic gas feed-line as an example, above-mentioned Temperature and Humidity Control component is set to oxic gas
On feed-line, and it is located at the downstream of humidification branch, is adjusted for the temperature and humidity to oxic gas；As shown in Figure 1, plus
The second humidifier 31 in wet branch has oxic gas entrance, the second humidification medium inlet, oxic gas outlet and the second humidification
Media outlet, oxic gas humidification branch further includes second circulation pipeline, and second circulation pipeline humidifies medium inlet with second respectively
With second humidification media outlet be connected to, at this point, above-mentioned Temperature and Humidity Control component including the second delivery pump 32, third heater 33,
Third condenser 34 and the second humidification medium temperature detector 124, third heater 33 and third condenser 34 are all set in the
On two humidification medium circulation pipelines, the second delivery pump 32 is set to above-mentioned third heater 33 and above-mentioned 34 upstream of third condenser
The second humidification medium circulation pipeline on, the second humidification medium temperature detector 124 is set to above-mentioned third heater 33 and upper
It states on the second humidification medium circulation pipeline in 34 downstream of third condenser, wherein third heater 33 and third condenser 34 are used for
The temperature of balance humidification medium, and then indirect adjustments and controls humidity.
Preferably, above-mentioned Temperature and Humidity Control component includes gas heater and/or gas condenser, above-mentioned gas heater
It is all set on gas conveying main line with above-mentioned gas condenser, and is located at the downstream of humidification branch.Above-mentioned gas heater with
The fuel gas or oxic gas that above-mentioned gas condenser is respectively used to convey gas in main line are heated and are cooled down.
By taking above-mentioned gas conveying main line is fuel gas feed-line as an example, as shown in Figure 1, above-mentioned Temperature and Humidity Control component packet
Secondary heater 25 and the second condenser 26 are included, secondary heater 25 and the second condenser 26 are all set in fuel gas feed-line
On, and it is located at the downstream of the first humidifying unit.
By taking above-mentioned gas conveying main line is oxic gas feed-line as an example, as shown in Figure 1, above-mentioned Temperature and Humidity Control component packet
The 4th heater 35 and the 4th condenser 36 are included, the 4th heater 35 and the 4th condenser 36 are all set in oxic gas feed-line
On, and it is located at the downstream of the second humidifying unit
In order to realize the monitoring to Temperature and Humidity Control component, it is preferable that control system of the invention includes gas temperature inspection
Device and gas moisture detector are surveyed, gas temperature detector and gas humidity detector are all set on gas conveying main line, and
Positioned at the downstream of Temperature and Humidity Control component.
It is further preferable that above-mentioned control system of the invention further includes master controller, master controller respectively with temperature and humidity control
Component, gas temperature detector and the electrical connection of gas moisture detector processed, for according to gas temperature detector and gas humidity
Detector adjusts Temperature and Humidity Control component.
By taking above-mentioned gas conveying main line is fuel gas feed-line as an example, as shown in Figure 1, above-mentioned Temperature and Humidity Control component packet
First gas temperature detector 121 and the first moisture detector 131 are included, first gas temperature detector 121 and the first humidity are examined
It surveys device 131 to be all set on fuel gas feed-line, and is located at the downstream of Temperature and Humidity Control component；At this point, above-mentioned master controller
It is electrically connected respectively with Temperature and Humidity Control component, first gas temperature detector 121 and the first moisture detector 131, is used for basis
Gas temperature detector and gas moisture detector adjust Temperature and Humidity Control component.
By taking above-mentioned gas conveying main line is oxic gas feed-line as an example, as shown in Figure 1, above-mentioned Temperature and Humidity Control component packet
Second gas temperature detector 122 and the second moisture detector 132 are included, second gas temperature detector 122 and the second humidity are examined
It surveys device 132 to be all set on oxic gas feed-line, and is located at the downstream of Temperature and Humidity Control component；At this point, above-mentioned master controller
It is electrically connected respectively with Temperature and Humidity Control component, second gas temperature detector 122 and the second moisture detector 132, is used for basis
Gas temperature detector and gas moisture detector adjust Temperature and Humidity Control component.
Above-mentioned control system of the invention is connected to battery pile 11, and battery pile 11 is electrically connected with load 12, and battery pile 11 has
Have cooling medium entrance and cooling medium outlet, cooling medium entrance and cooling medium outlet respectively with cooling medium pipeloop
Connection, coolant pump 42, coolant heater 43, cooling water radiator 44, heap is cold into heap coolant temperature detector 125 and out
But liquid temperature detector 126 is set on above-mentioned cooling medium pipeloop, as shown in Figure 1.Into the fuel gas of battery pile 11
Electricity, water, heat are generated with oxidation solid/liquid/gas reactions, electric for loading 12 consumption, water section, which resides in inside battery pile 11, soaks proton friendship
Change film, partially as anode exhaust gas 3 and cathode exhaust gas 4 discharge, heat by cooling medium take out of after pile through coolant pump convey into
Enter the completion one cycle of battery pile 11 again after entering coolant heater 43 and the completion equalized temperature of cooling water radiator 44, it is cooling
Circuit is provided with tank for coolant and is used for fluid infusion and pressure buffer.
According to another aspect of the present invention, a kind of control method of fuel cell is additionally provided, using above-mentioned control system
System is passed through reaction gas method includes the following steps: conveying simultaneously to gas in main line and reflux pipeline, reaction gas is combustion
Expect gas or oxic gas；Gas is adjusted by main road flow controller and conveys gas flow in main line, while passing through branch stream
Amount controller is adjusted into the gas flow in reflux pipeline, and is added using humidifier to the reaction gas in reflux pipeline
Wet process, to convey the flow proportional of reaction gas in main line and reflux pipeline according to gas to the reaction gas entered in battery pile
The temperature and humidity of body is adjusted.
In a preferred embodiment, to the method being adjusted into heap gas humidity the following steps are included: when anti-
When the humidity of gas being answered to be higher than the operating humidity setting range of control system, reduce the heating power of humidification dielectric heater, or
Increase the cold fluid flow of humidification medium condenser, to reduce the humidity of reaction gas；When the humidity of reaction gas is lower than operation
When humidity set range, increase the heating power of humidification dielectric heater, or reduce the cold fluid flow of humidification medium condenser,
To improve the humidity of reaction gas；When the humidity of reaction gas meets operating humidity setting range, humidification medium heating is kept
The heating power state of device, or keep the cold fluid flow status of humidification medium condenser.
Above-mentioned control method of the invention can use control system as shown in Figure 1, with the first moisture detector 131
Detection humidity is judgment basis, by the cold fluid flow control pile humidity for adjusting the first condenser 24 in humidification branch.System
When system operation, master controller receives the operating parameters such as system temperature, pressure, humidity, when the humidity of the first moisture detector 131 is big
When the setting value upper limit, increasing the cold fluid flow of the first condenser 24, circulation humidification medium temperature reduces, and humidification amount reduces,
Humidity reduces, and when the humidity of the first moisture detector 131 is less than preset lower limit, and does not receive stopping signal, master control
Device continues to be monitored each operating parameter, otherwise terminates program；Master controller receives the fortune such as system temperature, pressure, humidity
Row parameter reduces the cold fluid flow of the first condenser 24 when the humidity of the first moisture detector 131 is less than setting value lower limit
Amount, circulation humidification medium temperature increase, and humidification amount increases, and humidity increases, when the humidity of the first moisture detector 131 is greater than setting
When upper limit value, and stopping signal is not received, master controller continues to be monitored each operating parameter, otherwise terminates program.
Above-mentioned control method of the invention can also use control system as shown in Figure 1, with the first moisture detector 131
Detection humidity be judgment basis, pass through adjust humidification branch in primary heater 23 heating power control pile humidity.System
When system operation, master controller receives the operating parameters such as system temperature, pressure, humidity, when the humidity of the first moisture detector 131 is big
When the setting value upper limit, reduce the heating power of primary heater 23, circulation humidification medium temperature reduces, and humidification amount reduces, wet
Degree reduces, and when the humidity of the first moisture detector 131 is less than preset lower limit, and does not receive stopping signal, master controller
Continue to be monitored each operating parameter, otherwise terminates program；Master controller receives the operation such as system temperature, pressure, humidity
Parameter increases the heating power of primary heater 23, follows when the humidity of the first moisture detector 131 is less than setting value lower limit
Ring humidifies medium temperature and increases, and humidification amount increases, and humidity increases, when the humidity of the first moisture detector 131 is greater than the setting upper limit
When value, and stopping signal is not received, master controller continues to be monitored each operating parameter, otherwise terminates program.
Above-mentioned control method of the invention can use control system as shown in Figure 1, with the second moisture detector 132
Detection humidity is judgment basis, by the cold fluid flow control pile humidity for adjusting third condenser 34 in humidification branch.System
When system operation, master controller receives the operating parameters such as system temperature, pressure, humidity, when the humidity of the second moisture detector 132 is big
When the setting value upper limit, increasing the cold fluid flow of third condenser 34, circulation humidification medium temperature reduces, and humidification amount reduces,
Humidity reduces, and when the humidity of the second moisture detector 132 is less than preset lower limit, and does not receive stopping signal, master control
Device continues to be monitored each operating parameter, otherwise terminates program；Master controller receives the fortune such as system temperature, pressure, humidity
Row parameter reduces the cold fluid flow of third condenser 34 when the humidity of the second moisture detector 132 is less than setting value lower limit
Amount, circulation humidification medium temperature increase, and humidification amount increases, and humidity increases, when the humidity of the second moisture detector 132 is greater than setting
When upper limit value, and stopping signal is not received, master controller continues to be monitored each operating parameter, otherwise terminates program.
Above-mentioned control method of the invention can also use control system as shown in Figure 1, with the second moisture detector 132
Detection humidity be judgment basis, pass through adjust humidification branch in third heater 33 heating power control pile humidity.System
When system operation, master controller receives the operating parameters such as system temperature, pressure, humidity, when the humidity of the second moisture detector 132 is big
When the setting value upper limit, reduce the heating power of third heater 33, circulation humidification medium temperature reduces, and humidification amount reduces, wet
Degree reduces, and when the humidity of the second moisture detector 132 is less than preset lower limit, and does not receive stopping signal, master controller
Continue to be monitored each operating parameter, otherwise terminates program；Master controller receives the operation such as system temperature, pressure, humidity
Parameter increases the heating power of third heater 33, follows when the humidity of the second moisture detector 132 is less than setting value lower limit
Ring humidifies medium temperature and increases, and humidification amount increases, and humidity increases, when the humidity of the second moisture detector 132 is greater than the setting upper limit
When value, and stopping signal is not received, master controller continues to be monitored each operating parameter, otherwise terminates program.
In a preferred embodiment, to the method being adjusted into heap gas temperature the following steps are included: when anti-
When the temperature of gas being answered to be higher than the running temperature setting range of control system, reduce the heating power of gas heater, or increase
The cold fluid flow of gas condenser, to reduce the temperature of reaction gas；When the temperature of reaction gas is lower than the fortune of control system
When trip temperature setting range, increase the heating power of gas heater, or reduce the cold fluid flow of gas condenser, to improve
The temperature of reaction gas；When the temperature of reaction gas meets running temperature setting range, the heating function of gas heater is kept
Rate state, or keep the cold fluid flow status of gas condenser.
Above-mentioned control method of the invention can use control system as shown in Figure 1, with first gas temperature detector
121 detection temperature is judgment basis, by the cold fluid flow control for adjusting the second condenser 26 on fuel gas feed-line
Fuel gas enters heap temperature.When system is run, master controller receives the operating parameters such as system temperature, pressure, humidity, works as first gas
When the temperature of temperature detector 121 is greater than the set value the upper limit, increase the cold fluid flow of the second condenser 26, fuel gas enters heap temperature
Degree reduces, and when the temperature of first gas temperature detector 121 is less than preset lower limit, and does not receive stopping signal, master control
Device processed continues to be monitored each operating parameter, otherwise terminates program；Master controller receives system temperature, pressure, humidity etc.
Operating parameter reduces the cold flow of the second condenser 26 when the temperature of first gas temperature detector 121 is less than setting value lower limit
Body flow, fuel gas enter the raising of heap temperature, when the temperature of first gas temperature detector 121 is greater than setting upper limit value, and not
Stopping signal is received, master controller continues to be monitored each operating parameter, otherwise terminates program.
Above-mentioned control method of the invention can also use control system as shown in Figure 1, with first gas temperature detection
The detection temperature of device 121 is judgment basis, by the cold fluid flow control for adjusting secondary heater 25 on fuel gas feed-line
Fuel gas processed enters heap temperature.When system is run, master controller receives the operating parameters such as system temperature, pressure, humidity, when the first gas
When the temperature of temperature detector 121 is greater than the set value the upper limit, reduce the heating power of secondary heater 25, fuel gas enters heap temperature
Degree reduces, and when the temperature of first gas temperature detector 121 is less than preset lower limit, and does not receive stopping signal, master control
Device processed continues to be monitored each operating parameter, otherwise terminates program；Master controller receives system temperature, pressure, humidity etc.
Operating parameter increases secondary heater 25 and heats function when the temperature of first gas temperature detector 121 is less than setting value lower limit
Rate, fuel gas enter the raising of heap temperature, when the temperature of first gas temperature detector 121 is greater than setting upper limit value, and do not receive
To stopping signal, master controller continues to be monitored each operating parameter, otherwise terminates program.
Above-mentioned control method of the invention can use control system as shown in Figure 1, with second gas temperature detector
122 detection temperature is judgment basis, by the cold fluid flow control for adjusting the 4th condenser 36 on oxic gas feed-line
Oxic gas enters heap temperature.When system is run, master controller receives the operating parameters such as system temperature, pressure, humidity, works as second gas
When the temperature of temperature detector 122 is greater than the set value the upper limit, increase the cold fluid flow of the 4th condenser 36, oxic gas enters heap temperature
Degree reduces, and when the temperature of second gas temperature detector 122 is less than preset lower limit, and does not receive stopping signal, master control
Device processed continues to be monitored each operating parameter, otherwise terminates program；Master controller receives system temperature, pressure, humidity etc.
Operating parameter reduces the cold flow of the 4th condenser 36 when the temperature of second gas temperature detector 122 is less than setting value lower limit
Body flow, oxic gas enter the raising of heap temperature, when the temperature of second gas temperature detector 122 is greater than setting upper limit value, and not
Stopping signal is received, master controller continues to be monitored each operating parameter, otherwise terminates program.
Above-mentioned control method of the invention can also use control system as shown in Figure 1, with second gas temperature detection
The detection temperature of device 122 is judgment basis, by the cold fluid flow control for adjusting the 4th heater 35 on oxic gas feed-line
Oxygenerating gas enters heap temperature.When system is run, master controller receives the operating parameters such as system temperature, pressure, humidity, when the second gas
When the temperature of temperature detector 122 is greater than the set value the upper limit, reduce the heating power of the 4th heater 35, oxic gas enters heap temperature
Degree reduces, and when the temperature of second gas temperature detector 122 is less than preset lower limit, and does not receive stopping signal, master control
Device processed continues to be monitored each operating parameter, otherwise terminates program；Master controller receives system temperature, pressure, humidity etc.
Operating parameter increases the 4th heater 35 and heats function when the temperature of second gas temperature detector 122 is less than setting value lower limit
Rate oxic gas enters the raising of heap temperature, when the temperature of second gas temperature detector 122 is greater than setting upper limit value, and does not receive
Stopping signal, master controller continue to be monitored each operating parameter, otherwise terminate program.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
1, by above-mentioned main road flow controller and bypass flow controller independently to different medium (reaction gas
With humidification medium) flow control is carried out, achieve the purpose that the relatively independent control of multivariable, avoids heat between gas with various
Coupling, improves the flexibility of regulation, to increase test process system run all right, improves the temperature and humidity speed of response
And measuring accuracy；
2, by being all provided with the devices such as the heater that can independently regulate and control, condenser in different medium circuit, reached more
The purpose of the relatively independent control of variable reduces between fuel gas, oxic gas and humidification medium with parameters such as temperature, humidity as matchmaker
The coupling of Jie reduces the complexity of systematic procedure control.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of control system of fuel cell, which is characterized in that be connected to battery pile, comprising:
Gas conveys main line, is connected to the battery pile, for conveying fuel gas or oxic gas to the battery pile；
Branch is humidified, with reflux pipeline and the humidifier being set on the reflux pipeline, the both ends of the reflux pipeline
It is connected to gas conveying main line；
Main road flow controller is set on the gas conveying main line, and is located at the upstream of the humidification branch；
Bypass flow controller is set to the humidification branch road, and is located at the upstream of the humidifier.
2. control system according to claim 1, which is characterized in that the control system further include:
Temperature and Humidity Control component is set on the gas conveying main line of the humidification downstream branch, or is set to described add
Wet branch road, is adjusted for the temperature and humidity to the fuel gas or the oxic gas.
3. control system according to claim 2, which is characterized in that the humidifier has gas access, humidification medium
Entrance, gas vent and humidification media outlet, the humidification branch further include humidification medium circulation pipeline, the humidification medium
Pipeloop is connected to the humidification medium inlet and the humidification media outlet respectively, and the Temperature and Humidity Control component includes:
Dielectric heater is humidified, is set on the humidification medium circulation pipeline；And/or
Medium condenser is humidified, is set on the humidification medium circulation pipeline.
4. control system according to claim 3, which is characterized in that the Temperature and Humidity Control component further includes humidification medium
Temperature detector, the humidification medium temperature detector are set on the humidification medium circulation pipeline, and are located at the humidification
The downstream of dielectric heater and the humidification medium condenser.
5. control system according to claim 2, which is characterized in that the Temperature and Humidity Control component includes:
Gas heater is set on the gas conveying main line, and is located at the downstream of the humidification branch；And/or
Gas condenser is set on the gas conveying main line, and is located at the downstream of the humidification branch.
6. the control system according to any one of claim 2 to 5, which is characterized in that the control system further include:
Gas temperature detector is set on the gas conveying main line, and is located at the downstream of the Temperature and Humidity Control component；
Gas humidity detector is set on the gas conveying main line, and is located at the downstream of the Temperature and Humidity Control component.
7. control system according to claim 6, which is characterized in that the control system further includes master controller, described
Master controller is electrically connected with the Temperature and Humidity Control component, the gas temperature detector and the gas humidity detector respectively
It connects, for adjusting the Temperature and Humidity Control according to the testing result of the gas temperature detector and the gas humidity detector
Component.
8. a kind of control method of fuel cell, which is characterized in that using control system described in any one of claims 1 to 7
System, the control system are connected to battery pile, and gas conveying main line, humidification branch, main road are provided in the control system
Flow controller and bypass flow controller, the humidification branch have reflux pipeline and humidifier, and the method includes following
Step:
Conveyed simultaneously to the gas and be passed through reaction gas in main line and the reflux pipeline, the reaction gas be fuel gas or
Oxic gas；
The gas is adjusted by the main road flow controller and conveys gas flow in main line, while passing through the branch
Flow controller is adjusted into the gas flow in the reflux pipeline, and using the humidifier in the reflux pipeline
The reaction gas carries out humidification process, to convey reaction gas described in main line and the reflux pipeline according to the gas
The temperature and humidity of the reaction gas entered in the battery pile is adjusted in flow proportional.
9. control method according to claim 8, which is characterized in that the humidifier has gas access, humidification medium
Entrance, gas vent and humidification media outlet, the humidification branch further include humidification medium circulation pipeline, the humidification medium
Pipeloop is connected to the humidification medium inlet and the humidification media outlet respectively, and the Temperature and Humidity Control component includes setting
The humidification dielectric heater and humidification medium condenser being placed on the humidification medium circulation pipeline, the method includes following steps
It is rapid:
When the humidity of the reaction gas is higher than the operating humidity setting range of the control system, reduce the humidification medium
The heating power of heater, or increase the cold fluid flow of the humidification medium condenser, to reduce the wet of the reaction gas
Degree；
When the humidity of the reaction gas is lower than the operating humidity setting range, increase adding for the humidification dielectric heater
Thermal power, or reduce the cold fluid flow of the humidification medium condenser, to improve the humidity of the reaction gas；
When the humidity of the reaction gas meets the operating humidity setting range, kept for adding for the humidification dielectric heater
Thermal power state, or keep the cold fluid flow status of the humidification medium condenser.
10. control method according to claim 8, which is characterized in that the Temperature and Humidity Control component includes gas heating
Device and gas condenser, the gas heater and the gas condenser are respectively positioned on the gas of the humidification downstream branch
It conveys on main line, the described method comprises the following steps:
When the temperature of the reaction gas is higher than the running temperature setting range of the control system, reduce the gas heating
The heating power of device, or increase the cold fluid flow of the gas condenser, to reduce the temperature of the reaction gas；
When the temperature of the reaction gas is lower than the running temperature setting range of the control system, increase the gas heating
The heating power of device, or reduce the cold fluid flow of the gas condenser, to improve the temperature of the reaction gas；
When the temperature of the reaction gas meets the running temperature setting range, the heating function of the gas heater is kept
Rate state, or keep the cold fluid flow status of the gas condenser.
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| CN201910407704.3A CN110190300A (en) | 2019-05-16 | 2019-05-16 | The control system and its control method of fuel cell |
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| CN201910407704.3A CN110190300A (en) | 2019-05-16 | 2019-05-16 | The control system and its control method of fuel cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112713285A (en) * | 2020-12-29 | 2021-04-27 | 国科微城市智能科技(南京)有限责任公司 | Hydrogen fuel cell temperature regulation and control device |
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Application publication date: 20190830 |