CN110165244A - The temperature and humidity control system and temperature/humidity control method of fuel cell - Google Patents
The temperature and humidity control system and temperature/humidity control method of fuel cell Download PDFInfo
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- CN110165244A CN110165244A CN201910411529.5A CN201910411529A CN110165244A CN 110165244 A CN110165244 A CN 110165244A CN 201910411529 A CN201910411529 A CN 201910411529A CN 110165244 A CN110165244 A CN 110165244A
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- temperature
- cooling medium
- line
- humidity
- gas
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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
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04029—Heat exchange using liquids
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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
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04067—Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
- H01M8/04074—Heat exchange unit structures specially adapted for fuel cell
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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
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
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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
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0432—Temperature; Ambient temperature
- H01M8/04328—Temperature; Ambient temperature of anode reactants at the inlet or inside the fuel cell
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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
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04492—Humidity; Ambient humidity; Water content
- H01M8/045—Humidity; Ambient humidity; Water content of anode reactants at the inlet or inside the fuel cell
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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
Abstract
The present invention provides a kind of temperature and humidity control system of fuel cell and temperature/humidity control methods.The temperature and humidity control system is connected to battery pile, including gas conveying main line and humidification branch, the humidifier that humidification branch has reflux pipeline and is set on reflux pipeline, the entrance and exit of reflux pipeline is connected to gas conveying main line, humidifying branch further includes temperature control device for storing liquid, temperature control device for storing liquid is connected to the humidification medium inlet of humidifier and humidification media outlet respectively, cooling medium and heat are separately conveyed into temperature control device for storing liquid by above-mentioned cooling medium feed-line and heat source feed-line to realize to humidification branch equalized temperature, effectively improve heat utilization ratio, reduce energy consumption；Simultaneously by hot and cold water method for supplementing water, pile humidity regulation range can be widened, the precision and the speed of response of humidity regulation are improved.
Description
Technical field
The present invention relates to field of fuel cell technology, in particular to a kind of temperature and humidity control system of fuel cell
And temperature/humidity control method.
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 temperature and humidity control system of fuel cell and temperature/humidity control methods, for solving fuel
The problems such as system performance caused by battery overdrying or water logging is low, stability is poor.
Summary of the invention
The main purpose of the present invention is to provide a kind of temperature and humidity control system of fuel cell and temperature/humidity control method,
Humid control precision to solve the problems, such as fuel cell in the prior art is low, 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 Temperature and Humidity Control of fuel cell
System is connected to battery pile, comprising: gas conveys main line, is connected to cooling medium feed-line battery pile, for being situated between to cooling
Matter feed-line battery pile conveys fuel gas or oxic gas；Branch is humidified, there is reflux pipeline and to be set to cooling medium defeated
The humidifier on pipeline reflux pipeline is sent, the entrance and exit of cooling medium feed-line reflux pipeline is conveyed with cooling medium
Line gas conveys main line connection, and cooling medium feed-line humidifier has gas access, humidification medium inlet, gas vent
And humidification media outlet, it further includes temperature control device for storing liquid, cooling medium feed-line that cooling medium feed-line, which humidifies branch,
Medium inlet is humidified with cooling medium feed-line respectively for temperature control device for storing liquid and cooling medium feed-line humidifies media outlet
Connection；Cooling medium feed-line is connected to cooling medium feed-line temperature control device for storing liquid, is used for cooling medium delivery pipe
Cooling medium is conveyed in line temperature control device for storing liquid；Heat source feed-line is connected to cooling medium feed-line temperature control device for storing liquid,
For conveying heat into cooling medium feed-line temperature control device for storing liquid.
Further, cooling medium feed-line temperature and humidity control system further include: cooling medium container is situated between with cooling
The connection of matter feed-line cooling medium feed-line；Cooling medium regulating valve is set to cooling medium feed-line cooling medium
It is cooling for adjusting the cooling medium feed-line conveyed into cooling medium feed-line temperature control device for storing liquid on feed-line
The flow of medium.
Further, there is cooling medium feed-line battery pile cooling medium entrance and cooling medium to export, cooling to be situated between
Matter feed-line temperature and humidity control system further include: cooling medium pipeloop is situated between with the cooling of cooling medium feed-line respectively
Matter entrance, the outlet of cooling medium feed-line cooling medium and the connection of cooling medium feed-line heat source feed-line；Heat source
Regulating valve is set on cooling medium feed-line heat source feed-line, is stored up for adjusting to cooling medium feed-line temperature control
The size of the cooling medium feed-line heat conveyed in liquid device.
Further, cooling medium feed-line temperature and humidity control system further include: circulatory mediator container has circulation
Medium inlet and circulatory mediator outlet, cooling medium feed-line circulatory mediator entrance and cooling medium feed-line cooling medium
Outlet, cooling medium feed-line circulatory mediator outlet respectively with cooling medium feed-line cooling medium entrance and cooling
The connection of medium delivery pipe line heat source feed-line；Radiating subassembly, cooling medium feed-line radiating subassembly respectively with cooling medium
The outlet of feed-line circulatory mediator is connected to cooling medium feed-line cooling medium entrance.
Further, there is cooling medium feed-line circulatory mediator container medium to supplement entrance, cooling medium conveying
Pipeline temperature and humidity control system further include: cooling medium container, respectively with cooling medium feed-line cooling medium delivery pipe
Line is connected to cooling medium feed-line medium supplement entrance；Medium regulating valve is supplemented, it is cold to be set to cooling medium feed-line
But on the pipeline that medium container is connected to cooling medium feed-line medium supplement entrance.
Further, cooling medium feed-line temperature and humidity control system further includes gas humidity detector, cooling medium
Feed-line gas humidity detector is set on cooling medium feed-line gas conveying main line, and is located at cooling medium and is conveyed
The downstream of pipeline humidification branch.
Further, cooling medium feed-line temperature and humidity control system further includes master controller, cooling medium delivery pipe
Line master controller is detected with cooling medium feed-line cooling medium regulating valve and cooling medium feed-line gas humidity respectively
Device electrical connection, for adjusting cooling medium feed-line cooling medium tune according to cooling medium feed-line gas humidity detector
Save valve.
Further, cooling medium feed-line humidifies branch further include: humidification medium circulation pipeline is situated between with cooling respectively
Matter feed-line humidifies medium inlet and is connected to cooling medium feed-line humidification media outlet, cooling medium feed-line temperature control
Device for storing liquid is set on cooling medium feed-line humidification medium circulation pipeline；Medium temperature detector is humidified, is set to cold
But on media-carrying lines humidification medium circulation pipeline, and it is located at the downstream of cooling medium feed-line temperature control device for storing liquid.
Further, temperature and humidity control system further includes Temperature and Humidity Control component, and Temperature and Humidity Control component includes: that humidification is situated between
Matter heater is set on humidification medium circulation pipeline；And/or humidification medium condenser, it is set to humidification medium circulation pipeline
On.
Further, temperature and humidity control system further includes Temperature and Humidity Control component, and Temperature and Humidity Control component includes: that gas adds
Hot device is set on gas conveying main line, and is located at the downstream of humidification branch；And/or gas condenser, it is set to gas conveying
On main line, and it is located at the downstream of humidification branch.
Further, temperature and humidity control system further include: gas temperature detector is set on gas conveying main line, and
Positioned at the downstream of Temperature and Humidity Control component；Gas humidity detector is set on gas conveying main line, and is located at Temperature and Humidity Control
The downstream of component.
According to another aspect of the present invention, a kind of temperature/humidity control method of fuel cell is provided, using above-mentioned temperature
Humidity control system, cooling medium feed-line temperature and humidity control system are connected to battery pile, and cooling medium feed-line temperature
Gas conveying main line, humidification branch, cooling medium feed-line and heat source feed-line are provided in humidity control system, it is cooling
Media-carrying lines, which humidify branch, has reflux pipeline, humidifier and temperature control device for storing liquid, cooling medium feed-line method packet
Include following steps: while conveying in main line and cooling medium feed-line reflux pipeline and being passed through to cooling medium feed-line gas
Reaction gas, cooling medium feed-line reaction gas are fuel gas or oxic gas；Using cooling medium feed-line humidifier
Humidification process is carried out to the cooling medium feed-line reaction gas in cooling medium feed-line reflux pipeline, and passes through cooling
Media-carrying lines cooling medium feed-line conveys cooling medium to cooling medium feed-line temperature control device for storing liquid, or passes through
Cooling medium feed-line heat source feed-line conveys heat to cooling medium feed-line temperature control device for storing liquid, is situated between according to cooling
The flow or cooling medium feed-line amount of heat of matter feed-line cooling medium are to entrance cooling medium feed-line battery
The temperature and humidity of cooling medium feed-line reaction gas in heap is adjusted.
Further, cooling medium feed-line temperature and humidity control system further includes cooling medium container and cooling medium
Regulating valve, cooling medium feed-line cooling medium container are connected to cooling medium feed-line cooling medium feed-line,
Cooling medium feed-line cooling medium regulating valve is set on cooling medium feed-line cooling medium feed-line, cooling to be situated between
Matter feed-line method is the following steps are included: the humidity when cooling medium feed-line reaction gas is higher than cooling medium delivery pipe
When the operating humidity setting range of line temperature and humidity control system, increased using cooling medium feed-line cooling medium regulating valve cold
But in media-carrying lines cooling medium feed-line cooling medium feed-line cooling medium flow, to reduce cooling medium
The temperature and humidity of feed-line reaction gas；When the humidity of cooling medium feed-line reaction gas is lower than cooling medium feed-line
When operating humidity setting range, it is cooling to reduce cooling medium feed-line using cooling medium feed-line cooling medium regulating valve
The flow of cooling medium feed-line cooling medium in media-carrying lines, to improve cooling medium feed-line reaction gas
Temperature and humidity；When the humidity of cooling medium feed-line reaction gas meets cooling medium feed-line operating humidity setting range
When, keep the flow of cooling medium feed-line cooling medium in cooling medium feed-line cooling medium feed-line.
Further, there is cooling medium feed-line battery pile cooling medium entrance and cooling medium to export, cooling to be situated between
Matter feed-line temperature and humidity control system further includes cooling medium pipeloop and heat source regulating valve, and cooling medium feed-line is cold
But medium circulation pipeline is exported with cooling medium feed-line cooling medium entrance, cooling medium feed-line cooling medium respectively
And the connection of cooling medium feed-line heat source feed-line, cooling medium feed-line heat source regulating valve are set to cooling medium
On feed-line heat source feed-line, cooling medium feed-line method is the following steps are included: when cooling medium feed-line is anti-
When the humidity of gas being answered to be lower than the operating humidity setting range of cooling medium feed-line temperature and humidity control system, it is situated between using cooling
Matter feed-line heat source regulating valve increases the cooling medium feed-line heat in cooling medium feed-line heat source feed-line,
To improve the temperature and humidity of cooling medium feed-line reaction gas；When the humidity of cooling medium feed-line reaction gas is higher than cold
But when media-carrying lines operating humidity setting range, it is defeated to reduce cooling medium using cooling medium feed-line heat source regulating valve
The cooling medium feed-line heat in pipeline heat source feed-line is sent, to reduce the temperature of cooling medium feed-line reaction gas
Humidity；When the humidity of cooling medium feed-line reaction gas meets cooling medium feed-line operating humidity setting range,
Keep the size of cooling medium feed-line heat in cooling medium feed-line heat source feed-line.
It applies the technical scheme of the present invention, provides a kind of temperature and humidity control system of fuel cell, including gas conveying
Main line and humidification branch, the humidifier that humidification branch has reflux pipeline and is set on reflux pipeline, reflux pipeline enter
Mouthful and outlet be connected to gas conveying main line, humidifying branch further includes temperature control device for storing liquid, temperature control device for storing liquid respectively with add
The humidification medium inlet of wet device is connected to humidification media outlet, passes through above-mentioned cooling medium feed-line and heat source feed-line point
Cooling medium and heat are not conveyed into temperature control device for storing liquid independently to realize to humidification branch equalized temperature, effectively improved
Heat utilization ratio reduces energy consumption；Simultaneously by hot and cold water method for supplementing water, pile humidity regulation range can be widened, improves humidity
The precision and the speed of response of regulation.
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 of the temperature and humidity control system of fuel cell provided by embodiment of the present invention
Schematic diagram.
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；141, medium regulating valve is supplemented；
142, the first cooling medium regulating valve；143, the second cooling medium regulating valve；144, circulatory mediator regulating valve；145, the first heat source
Regulating valve；146, Secondary Heat Source regulating valve；2, oxic gas gas source；21, the first humidifier；22, the first delivery pump；23, first adds
Hot device；24, the first condenser；25, secondary heater；26, the second condenser；27, the first temperature control reservoir；3, anode exhaust gas；
31, the second humidifier；32, the second delivery pump；33, third heater；34, third condenser；35, the 4th heater；36, the 4th
Condenser；37, the second temperature control reservoir；4, cathode exhaust gas；41, circulatory mediator container；42, the first coolant pump；43, cooling
Liquid heater；44, cooling water radiator；45, cooling medium container；46, the second coolant pump.
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 temperature and humidity control system for expecting battery, is connected to battery pile, including gas conveying main line, humidification branch, cooling medium delivery pipe
Line and heat source feed-line, gas conveying main line is connected to battery pile, for conveying fuel gas or oxic gas to battery pile；Humidification
The humidifier that branch has reflux pipeline and is set on reflux pipeline, the entrance and exit of reflux pipeline are conveyed with gas
Main line connection, humidifier have gas access, humidification medium inlet, gas vent and humidification media outlet, and humidification branch is also
Including temperature control device for storing liquid, temperature control device for storing liquid is connected to humidification medium inlet and humidification media outlet respectively；Cooling medium is defeated
Pipeline is sent to be connected to temperature control device for storing liquid, for conveying cooling medium into temperature control device for storing liquid；Heat source feed-line and temperature control
Device for storing liquid connection, for conveying heat into temperature control device for storing liquid.
The present invention is by above-mentioned cooling medium feed-line and heat source feed-line separately to temperature control device for storing liquid
Middle conveying cooling medium and heat effectively improve heat utilization ratio, reduce energy consumption to realize to humidification branch equalized temperature；
Simultaneously by hot and cold water method for supplementing water, pile humidity regulation range can be widened, the precision and the speed of response of humidity regulation are improved.
Preferably, above-mentioned temperature and humidity control system of the invention further includes that cooling medium container and cooling medium are adjusted
Valve, cooling medium container are connected to cooling medium feed-line；Cooling medium regulating valve is set to cooling medium feed-line
On, for adjusting the flow of the cooling medium conveyed into temperature control device for storing liquid.
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, above-mentioned to add
Wet branch further includes the first temperature control reservoir 27, the humidification medium inlet of the first temperature control reservoir 27 and the first humidifier 21 and is added
Humid medium outlet, at this point, above-mentioned first temperature control reservoir 27 passes through cooling medium feed-line and cooling medium container
45 connections, the first cooling medium regulating valve 142 are set on cooling medium feed-line, for adjusting cooling medium into first
The flow of temperature control reservoir 27, to be adjusted according to temperature and humidity of the flow of cooling medium to the fuel gas entered in battery pile
Section.
By above-mentioned gas conveying main line be oxic gas feed-line for, as shown in Figure 1, oxic gas feed-line respectively with
Oxic gas gas source 2 is connected to the cathode of battery pile 11, and above-mentioned humidification branch has the second reflux pipeline and is set to second time
The second humidifier 31 on flow tube line, the entrance and exit of the second reflux pipeline are connected to oxic gas feed-line, above-mentioned to add
Wet branch further includes the second temperature control reservoir 37, the humidification medium inlet of the second temperature control reservoir 37 and the second humidifier 31 and is added
Humid medium outlet, at this point, above-mentioned second temperature control reservoir 37 passes through cooling medium feed-line and cooling medium container
45 connections, the second cooling medium regulating valve 143 are set on cooling medium feed-line, for adjusting cooling medium into second
The flow of temperature control reservoir 37, to be adjusted according to temperature and humidity of the flow of cooling medium to the oxic gas entered in battery pile
Section.
Preferably, above-mentioned temperature and humidity control system of the invention further includes gas humidity detector and master controller, gas
Moisture detector is set on gas conveying main line, and is located at the downstream of humidification branch, for detecting into heap humidity；Always
Controller is electrically connected with cooling medium regulating valve and gas moisture detector respectively, cold for being adjusted according to gas humidity detector
But medium regulating valve.
By taking above-mentioned gas conveying main line is fuel gas feed-line as an example, as shown in Figure 1, fuel gas feed-line and battery
The anode of heap 11 is connected to, and temperature and humidity control system includes the first moisture detector 131 and master controller, the first moisture detector
131 are set on fuel gas feed-line, and are located at the downstream of humidification branch, the first temperature control reservoir in above-mentioned humidification branch
27 are connected to by cooling medium feed-line with cooling medium container 45, and the first cooling medium regulating valve 142 is set to cooling
On media-carrying lines；At this point, above-mentioned master controller respectively with the first moisture detector 131 and the first cooling medium regulating valve
142 electrical connection, for according to the first moisture detector 131 adjust the first cooling medium regulating valve 142, with realize to fuel gas into
The control of heap temperature and humidity.
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 and battery
The cathode of heap 11 is connected to, and temperature and humidity control system includes the second moisture detector 132 and master controller, the second moisture detector
132 are set on oxic gas feed-line, and are located at the downstream of humidification branch, the second temperature control reservoir in above-mentioned humidification branch
37 are connected to by cooling medium feed-line with cooling medium container 45, and the second cooling medium regulating valve 143 is set to cooling
On media-carrying lines；At this point, above-mentioned master controller respectively with the second moisture detector 132 and the second cooling medium regulating valve
143 electrical connection, for according to the second moisture detector 132 adjust the second cooling medium regulating valve 143, with realize to oxic gas into
The control of heap temperature and humidity.
Preferably, above-mentioned temperature and humidity control system of the invention further includes cooling medium pipeloop and heat source regulating valve,
There is battery pile cooling medium entrance and cooling medium to export, cooling medium pipeloop respectively with cooling medium entrance, cooling
Media outlet and the connection of heat source feed-line；Heat source regulating valve is set on heat source feed-line, is stored up for adjusting to temperature control
The size of the heat conveyed in liquid device.
By taking above-mentioned gas conveying main line is fuel gas feed-line as an example, as shown in Figure 1, fuel gas feed-line and battery
The anode of heap 11 is connected to, and above-mentioned humidification branch includes the first reflux pipeline, the first humidifier 21 and the first temperature control reservoir 27, the
One temperature control reservoir 27 is connected to the humidification medium inlet of the first humidifier 21 and humidification media outlet, at this point, above-mentioned cooling Jie
The cooling medium entrance and cooling medium of matter pipeloop and battery pile 11 export, and circulation has cooling in cooling medium pipeloop
Medium, for taking away the heat for reacting generation in above-mentioned battery pile, above-mentioned first temperature control reservoir 27 passes through heat source feed-line
It is connected to cooling medium pipeloop, the heat that cooled medium is taken away passes through cooling medium pipeloop and heat source feed-line
Into, to realize heat supply, the first heat source regulating valve 145 is set on heat source feed-line in above-mentioned first temperature control reservoir 27, use
In adjusting size of the heat source into the first temperature control reservoir 27, thus according to the size of heat to the fuel gas entered in battery pile
Temperature and humidity be adjusted.
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 and battery
The anode of heap 11 is connected to, and above-mentioned humidification branch includes the second reflux pipeline, the second humidifier 31 and the second temperature control reservoir 37, the
Two temperature control reservoirs 37 are connected to the humidification medium inlet of the second humidifier 31 and humidification media outlet, at this point, above-mentioned cooling Jie
The cooling medium entrance and cooling medium of matter pipeloop and battery pile 11 export, and circulation has cooling in cooling medium pipeloop
Medium, for taking away the heat for reacting generation in above-mentioned battery pile, above-mentioned second temperature control reservoir 37 passes through heat source feed-line
It is connected to cooling medium pipeloop, the heat that cooled medium is taken away passes through cooling medium pipeloop and heat source feed-line
Into, to realize heat supply, Secondary Heat Source regulating valve 146 is set on heat source feed-line in above-mentioned second temperature control reservoir 37, use
In adjusting size of the heat source into the second temperature control reservoir 37, thus according to the size of heat to the oxic gas entered in battery pile
Temperature and humidity be adjusted.
It is further preferable that above-mentioned temperature and humidity control system of the invention further includes circulatory mediator container and radiating subassembly,
There is circulatory mediator container circulatory mediator entrance and circulatory mediator to export, circulatory mediator entrance and cooling medium outlet,
Circulatory mediator outlet is connected to cooling medium entrance and heat source feed-line respectively；Radiating subassembly, radiating subassembly respectively with circulation
Media outlet is connected to cooling medium entrance.
Cooling medium in above-mentioned circulatory mediator container, which is recycled in battery pile, takes out of heat and heats up, heating it is cold
But medium after radiating subassembly cooling recycling into battery pile.Above-mentioned radiating subassembly can be include coolant heater and cold
But liquid radiator, above-mentioned cooling medium pipeloop are also provided with the first coolant pump and circulatory mediator regulating valve, are used for
Adjust the cooling medium consumption for entering battery pile.
It is further preferred that above-mentioned temperature and humidity control system of the invention further includes cooling medium container and supplement medium
Regulating valve, cooling medium container are connected to cooling medium feed-line and medium supplement entrance respectively；Supplement medium regulating valve
It is set on the pipeline that cooling medium container is connected to medium supplement entrance, is stored for controlling cooling medium to circulatory mediator
Supplement in case.
As shown in Figure 1, circulatory mediator container 41, coolant heater 43 and cooling water radiator 44 be set to it is above-mentioned cold
But on medium circulation pipeline, cooling medium container 45 supplement medium regulating valve 141 control under with circulatory mediator container
41 connections, for supplementing cooling medium into circulatory mediator container 41, by the cooling medium with heat of battery pile 11
Cool down by coolant heater 43 with cooling water radiator 44 under the drive of the first coolant pump 42, cooling medium is followed
Circulatory mediator regulating valve 144 is additionally provided on endless tube line, for adjusting the cooling medium consumption for entering battery pile.
Preferably, above-mentioned temperature and humidity control system of the invention further includes gas humidity detector and master controller, gas
Moisture detector is set on gas conveying main line, and is located at the downstream of humidification branch, for detecting into heap humidity；Always
Controller is electrically connected with heat source regulating valve and gas moisture detector respectively, for the adjusting according to humidification medium temperature detector
Heat source regulating valve.
By taking above-mentioned gas conveying main line is fuel gas feed-line as an example, as shown in Figure 1, fuel gas feed-line and battery
The anode of heap 11 is connected to, and temperature and humidity control system includes the first moisture detector 131 and master controller, the first moisture detector
131 are set on fuel gas feed-line, and are located at the downstream of humidification branch, the first temperature control reservoir in above-mentioned humidification branch
27 are connected to by heat source feed-line with cooling medium pipeloop, and the first heat source regulating valve 145 is set to heat source feed-line
On；At this point, above-mentioned master controller is electrically connected with the first moisture detector 131 and the first heat source regulating valve 145 respectively, it to be used for basis
First moisture detector 131 adjusts the first heat source regulating valve 145, to realize to fuel gas into the control of heap temperature and humidity.
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 and battery
The cathode of heap 11 is connected to, and temperature and humidity control system includes the second moisture detector 132 and master controller, the second moisture detector
132 are set on oxic gas feed-line, and are located at the downstream of humidification branch, the second temperature control reservoir in above-mentioned humidification branch
37 are connected to by heat source feed-line with cooling medium pipeloop, and Secondary Heat Source regulating valve 146 is set to heat source feed-line
On；At this point, above-mentioned master controller is electrically connected with the second moisture detector 132 and Secondary Heat Source regulating valve 146 respectively, it to be used for basis
Second moisture detector 132 adjusts Secondary Heat Source regulating valve 146, to realize to oxic gas into the control of heap temperature and humidity.
Above-mentioned temperature and humidity control system of the invention can also include main road flow controller and bypass flow controller, master
Road flow controller is set on gas conveying main line, and is located at the upstream of humidification branch；Bypass flow controller, which is set to, to be added
Wet branch road, and it is located at the upstream of humidifier.
By taking above-mentioned gas conveying main line is fuel gas feed-line as an example, as shown in Figure 1, fuel gas feed-line and battery
The anode of heap 11 is connected to, the first humidification that above-mentioned humidification branch has the first reflux pipeline and is set on the first reflux pipeline
Device 21, the entrance and exit of the first reflux pipeline are connected to fuel gas feed-line, at this point, above-mentioned temperature and humidity control system is also
Including first flow controller 101 and second flow controller 102, first flow controller 101 is set to fuel letter shoot
On line, and it is located at the upstream of fuel dilution with steam branch；Second flow controller 102 is set on the first reflux pipeline, and is located at
The upstream of 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 and battery
The cathode of heap 11 is connected to, the second humidification that above-mentioned humidification branch has the second reflux pipeline and is set on the second reflux pipeline
Device 31, the entrance and exit of the second reflux pipeline are connected to oxic gas feed-line, at this point, above-mentioned temperature and humidity control system is also
Including third flow controller 103 and the 4th flow controller 104, third flow controller 103 is set to oxidation letter shoot
On line, and it is located at the upstream of oxic gas humidification branch；4th flow controller 104 is set on the second reflux pipeline, and is located at
The upstream of 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 temperature and humidity control system of the invention can also include Temperature and Humidity Control component, which sets
It is placed on the gas conveying main line of humidification downstream branch, or is set to humidification branch road, for the temperature to fuel gas or oxic gas
Humidity 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 humidification dielectric heater, humidification medium condenser and humidification medium temperature detection
Device, above-mentioned humidification dielectric heater and above-mentioned humidification medium condenser are all set on humidification medium circulation pipeline, above-mentioned humidification
Medium temperature detector is set on humidification medium circulation pipeline, and is located at humidification dielectric heater and is humidified medium condenser
Downstream.
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.
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.
Preferably, above-mentioned Temperature and Humidity Control component includes gas heater and gas condenser, above-mentioned gas heater with
Above-mentioned gas condenser is all set on gas conveying main line, and is located at the downstream of humidification branch.Above-mentioned gas heater with it is upper
Fuel gas or oxic gas that gas condenser is respectively used to convey gas in main line is stated to be heated and 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 above-mentioned Temperature and Humidity Control component includes gas temperature
Detector, gas humidity detector and master controller, it is defeated that gas temperature detector with gas humidity detector is all set in gas
It send on main line, and is located at the downstream of Temperature and Humidity Control component；Master controller is detected with Temperature and Humidity Control component, gas temperature respectively
Device and the electrical connection of gas moisture detector, for adjusting Temperature and Humidity Control according to gas temperature detector and gas moisture detector
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
Include second gas temperature detector 122 and the second moisture detector 132, second gas temperature detector 122 and second gas degree
Detector 132 is 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 control
Device is electrically connected with Temperature and Humidity Control component, second gas temperature detector 122 and the second moisture detector 132 respectively, is used for root
Temperature and Humidity Control component is adjusted according to gas temperature detector and gas moisture detector.
Above-mentioned temperature and humidity control system of the invention is connected to battery pile 11, and battery pile 11 is electrically connected with load 12, cooling
The second coolant pump 46 is additionally provided on medium circulation pipeline, into heap coolant temperature detector 125 and out heap coolant temperature
Detector 126, as shown in Figure 1.Fuel gas and oxidation solid/liquid/gas reactions into battery pile 11 generate electricity, water, heat, and electricity is for loading 12
Consumption, water section, which resides in inside battery pile 11, soaks proton exchange membrane, partially as anode exhaust gas 3 and cathode exhaust gas 4 discharge,
Heat delivers into coolant heater 43 through coolant pump after taking pile out of by cooling medium and cooling water radiator 44 completes temperature
Enter battery pile 11 after degree balance again and complete one cycle, 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 temperature/humidity control method of fuel cell is additionally provided, using above-mentioned
Temperature and humidity control system is passed through reaction gas method includes the following steps: conveying in main line and reflux pipeline to gas simultaneously,
Reaction gas is fuel gas or oxic gas；Humidification process is carried out to the reaction gas in reflux pipeline using humidifier, and is passed through
Cooling medium feed-line conveys cooling medium to temperature control device for storing liquid, or defeated to temperature control device for storing liquid by heat source feed-line
Heat is sent, the temperature and humidity of the reaction gas entered in battery pile is adjusted according to the flow of cooling medium or amount of heat.
In a preferred embodiment, to the method being adjusted into heap gas temperature and humidity the following steps are included: working as
When the humidity of reaction gas is higher than the operating humidity setting range of temperature and humidity control system, increased using cooling medium regulating valve cold
But in media-carrying lines cooling medium flow, to reduce the temperature and humidity of reaction gas；When the humidity of reaction gas is lower than fortune
When row humidity set range, reduce the flow of cooling medium in cooling medium feed-line, using cooling medium regulating valve to mention
The temperature and humidity of high reaction gas；When the humidity of reaction gas meets operating humidity setting range, cooling medium delivery pipe is kept
The flow of cooling medium in line.
Above-mentioned temperature/humidity control method of the invention can use temperature and humidity control system as shown in Figure 1, wet with first
Spending detector 131 and the first humidification medium temperature detector 123 is criterion, enters slot cold water by adjusting the first temperature control reservoir 27
Flow direct regulation and control fuel dilution with steam coolant-temperature gage, and then indirectly control fuel gas enters heap humidity.When system is run, master controller
The operating parameters such as system temperature, pressure, humidity are received, when the humidity of the first moisture detector 131 is greater than the set value the upper limit, are led to
The first cooling medium regulating valve 142 to be overregulated to increase into slot cold water flow, 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, when the humidity of the first moisture detector 131 is less than setting value lower limit, by adjusting the first cooling medium regulating valve
142 reduce into slot cold water flow, and circulation humidification medium temperature increases, and humidification amount increases, and humidity increases, when the first moisture detector
When 131 humidity is greater than setting upper limit value, and stopping signal is not received, master controller continues to supervise each operating parameter
It surveys, otherwise terminates program.
Above-mentioned temperature/humidity control method of the invention can use temperature and humidity control system as shown in Figure 1, wet with second
Spending detector 132 and the second humidification medium temperature detector 124 is criterion, enters slot cold water by adjusting the second temperature control reservoir 37
Flow direct regulation and control oxic gas humidifies coolant-temperature gage, and then indirectly control oxic gas enters heap humidity.When system is run, master controller
The operating parameters such as system temperature, pressure, humidity are received, when the humidity of the second moisture detector 132 is greater than the set value the upper limit, are led to
The second cooling medium regulating valve 143 to be overregulated to increase into slot cold water flow, 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, when the humidity of the second moisture detector 132 is less than setting value lower limit, by adjusting the second cooling medium regulating valve
143 reduce into slot cold water flow, and circulation humidification medium temperature increases, and humidification amount increases, and humidity increases, when the second moisture detector
When 132 humidity is greater than setting upper limit value, and stopping signal is not received, master controller continues to supervise each operating parameter
It surveys, otherwise terminates program.
In another preferred embodiment, to the method being adjusted into heap gas temperature and humidity the following steps are included:
When the humidity of reaction gas is lower than the operating humidity setting range of temperature and humidity control system, increase heat source using heat source regulating valve
Heat in feed-line, to improve the temperature and humidity of reaction gas；When the humidity of reaction gas is higher than operating humidity setting range
When, reduce the heat in heat source feed-line using heat source regulating valve, to reduce the temperature and humidity of reaction gas；When reaction gas
When humidity meets operating humidity setting range, the size of heat in heat source feed-line is kept.
Above-mentioned temperature/humidity control method of the invention can use temperature and humidity control system as shown in Figure 1, wet with first
The detection temperature of the detection humidity and the first humidification medium temperature detector 123 of spending detector 131 is criterion, by adjusting first
Temperature control reservoir 27 enters slot hot water flow direct regulation and control first and humidifies the fuel dilution with steam water temperature that medium temperature detector 123 detects
Degree, and then indirectly control fuel gas enters heap humidity.When system is run, master controller receives the fortune such as system temperature, pressure, humidity
Row parameter is subtracted when the humidity of the first moisture detector 131 is greater than the set value the upper limit by adjusting the first heat source regulating valve 145
It is small enter slot hot water flow, circulation humidification medium temperature reduce, humidification amount reduce, humidity reduce, when the first moisture detector 131
When humidity is less than preset lower limit, and stopping signal is not received, master controller continues to be monitored each operating parameter, no
Then terminate program；Master controller receives the operating parameters such as system temperature, pressure, humidity, when the humidity of the first moisture detector 131
When less than setting value lower limit, increased by adjusting the first heat source regulating valve 145 into slot hot water flow, circulation humidification medium temperature liter
Height, humidification amount increase, and humidity increases, and when the humidity of the first moisture detector 131 is greater than setting upper limit value, and does not receive and stop
Machine signal, master controller continue to be monitored each operating parameter, otherwise terminate program.
Above-mentioned temperature/humidity control method of the invention can use temperature and humidity control system as shown in Figure 1, wet with second
Spending detector 132 and the second humidification medium temperature detector 124 is criterion, enters slot hot water by adjusting the second temperature control reservoir 37
Flow direct regulation and control oxic gas humidifies coolant-temperature gage, and then indirectly control oxic gas enters heap humidity.When system is run, master controller
The operating parameters such as system temperature, pressure, humidity are received, when the humidity of the second moisture detector 132 is greater than the set value the upper limit, are led to
It overregulates Secondary Heat Source regulating valve 146 to reduce into slot hot water flow, circulation humidification medium temperature reduces, and humidification amount reduces, humidity
Reduce, when the humidity of the second moisture detector 132 is less than preset lower limit, and do not receive stopping signal, master controller after
It is continuous that each operating parameter is monitored, otherwise terminate program；Master controller receives the operations such as system temperature, pressure, humidity ginseng
Number, when the humidity of the second moisture detector 132 be less than setting value lower limit when, by adjust Secondary Heat Source regulating valve 146 increase into
Slot hot water flow, circulation humidification medium temperature increase, and humidification amount increases, and humidity increases, when the humidity of the second moisture detector 132
When greater than setting upper limit value, and stopping signal is not received, master controller continues to be monitored each operating parameter, otherwise ties
Shu Chengxu.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
By the way that temperature control water storage device is arranged in humidification branch, the heat that pile cooling water is taken out of from pile is effectively used for
Loop temperature balance is humidified, heat utilization ratio is effectively improved, reduces energy consumption, while by hot and cold water method for supplementing water, can be opened up
Wide pile humidity regulation range improves the precision and the speed of response of humidity regulation.
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 (14)
1. a kind of temperature and humidity 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 entrance of the reflux pipeline
With outlet with the gas conveying main line be connected to, the humidifier have gas access, humidify medium inlet, gas vent with
And humidification media outlet, the humidification branch further includes temperature control device for storing liquid, the temperature control device for storing liquid respectively with the humidification
Medium inlet is connected to the humidification media outlet；
Cooling medium feed-line is connected to the temperature control device for storing liquid, for conveying cooling into the temperature control device for storing liquid
Medium；
Heat source feed-line is connected to the temperature control device for storing liquid, for conveying heat into the temperature control device for storing liquid.
2. temperature and humidity control system according to claim 1, which is characterized in that the temperature and humidity control system further include:
Cooling medium container is connected to the cooling medium feed-line；
Cooling medium regulating valve is set on the cooling medium feed-line, for adjusting into the temperature control device for storing liquid
The flow of the cooling medium of conveying.
3. temperature and humidity control system according to claim 1 or 2, which is characterized in that the battery pile has cooling medium
Entrance and cooling medium outlet, the temperature and humidity control system further include:
Cooling medium pipeloop is conveyed with the cooling medium entrance, cooling medium outlet and the heat source respectively
Pipeline connection；
Heat source regulating valve is set on the heat source feed-line, for adjusting the institute conveyed into the temperature control device for storing liquid
State the size of heat.
4. temperature and humidity control system according to claim 3, which is characterized in that the temperature and humidity control system further include:
Circulatory mediator container there is circulatory mediator entrance and circulatory mediator to export, the circulatory mediator entrance and the cooling
Media outlet connection, the circulatory mediator outlet are connected to the cooling medium entrance and the heat source feed-line respectively；
Radiating subassembly, the radiating subassembly export with the circulatory mediator be connected to the cooling medium entrance respectively.
5. temperature and humidity control system according to claim 4, which is characterized in that the circulatory mediator container has medium
Supplement entrance, the temperature and humidity control system further include:
Cooling medium container is connected to the cooling medium feed-line and medium supplement entrance respectively；
Medium regulating valve is supplemented, is set on the pipeline that the cooling medium container is connected to medium supplement entrance.
6. temperature and humidity control system according to claim 2, which is characterized in that the temperature and humidity control system further includes gas
Body moisture detector, the gas humidity detector are set on the gas conveying main line, and are located at the humidification branch
Downstream.
7. temperature and humidity control system according to claim 6, which is characterized in that the temperature and humidity control system further includes total
Controller, the master controller are electrically connected with the cooling medium regulating valve and the gas humidity detector respectively, are used for root
The cooling medium regulating valve is adjusted according to the gas humidity detector.
8. temperature and humidity control system according to claim 1, which is characterized in that the humidification branch further include:
Medium circulation pipeline is humidified, is connected to respectively with the humidification medium inlet and the humidification media outlet, the temperature control storage
Liquid device is set on the humidification medium circulation pipeline；
Medium temperature detector is humidified, is set on the humidification medium circulation pipeline, and is located at the temperature control device for storing liquid
Downstream.
9. temperature and humidity control system according to claim 8, which is characterized in that the temperature and humidity control system further includes temperature
Humid control component, the Temperature and Humidity Control component include:
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.
10. temperature and humidity control system according to claim 1, which is characterized in that the temperature and humidity control system further includes
Temperature and Humidity Control component, the Temperature and Humidity Control component include:
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.
11. temperature and humidity control system according to claim 9 or 10, which is characterized in that the temperature and humidity control system is also
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.
12. a kind of temperature/humidity control method of fuel cell, which is characterized in that using described in any one of claims 1 to 11
Temperature and humidity control system, the temperature and humidity control system is connected to battery pile, and is provided in the temperature and humidity control system
Gas, which conveys main line, humidification branch, cooling medium feed-line and heat source feed-line, the humidification branch, has return pipe
Line, humidifier and temperature control device for storing liquid, the described method comprises the following steps:
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；
Humidification process is carried out to the reaction gas in the reflux pipeline using the humidifier, and passes through cooling Jie
Matter feed-line conveys cooling medium to the temperature control device for storing liquid, or by the heat source feed-line to the temperature control liquid storage
Device conveys heat, the reaction according to the flow of the cooling medium or the amount of heat to entering in the battery pile
The temperature and humidity of gas is adjusted.
13. temperature/humidity control method according to claim 12, which is characterized in that the temperature and humidity control system further includes
Cooling medium container and cooling medium regulating valve, the cooling medium container are connected to the cooling medium feed-line,
The cooling medium regulating valve is set on the cooling medium feed-line, the described method comprises the following steps:
When the humidity of the reaction gas is higher than the operating humidity setting range of the temperature and humidity control system, using described cold
But medium regulating valve increases the flow of cooling medium described in the cooling medium feed-line, to reduce the reaction gas
Temperature and humidity；
When the humidity of the reaction gas is lower than the operating humidity setting range, reduced using the cooling medium regulating valve
The flow of cooling medium described in the cooling medium feed-line, to improve the temperature and humidity of the reaction gas；
When the humidity of the reaction gas meets the operating humidity setting range, keep in the cooling medium feed-line
The flow of the cooling medium.
14. temperature/humidity control method according to claim 12, which is characterized in that the battery pile enters with cooling medium
Mouthful and cooling medium outlet, the temperature and humidity control system further includes cooling medium pipeloop and heat source regulating valve, described cold
But medium circulation pipeline connects with the cooling medium entrance, cooling medium outlet and the heat source feed-line respectively
Logical, the heat source regulating valve is set on the heat source feed-line, the described method comprises the following steps:
When the humidity of the reaction gas is lower than the operating humidity setting range of the temperature and humidity control system, the heat is utilized
Source regulating valve increases the heat in the heat source feed-line, to improve the temperature and humidity of the reaction gas；
When the humidity of the reaction gas is higher than the operating humidity setting range, using described in heat source regulating valve reduction
The heat in heat source feed-line, to reduce the temperature and humidity of the reaction gas；
When the humidity of the reaction gas meets the operating humidity setting range, keep described in the heat source feed-line
The size of heat.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111063916A (en) * | 2019-12-27 | 2020-04-24 | 电子科技大学 | Fuel cell anode water management system and control method |
| 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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