CN208444899U - A kind of high reliability fuel battery engines - Google Patents
A kind of high reliability fuel battery engines Download PDFInfo
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- CN208444899U CN208444899U CN201821183581.7U CN201821183581U CN208444899U CN 208444899 U CN208444899 U CN 208444899U CN 201821183581 U CN201821183581 U CN 201821183581U CN 208444899 U CN208444899 U CN 208444899U
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- pile
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- fuel cell
- cooling
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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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Abstract
The utility model relates to a kind of high reliability fuel battery engines, including pile, cabinet, anode assembly, cathode assembly, cooling device, electric device and fuel cell controller, the pile is fixed in cabinet, the anode assembly includes anode pressure sensor, proportioning valve, hydrogen circulating pump, anode inlet on pile and anode gas outlet are set, the cathode assembly includes cathode pressure sensors, air compressor machine, air throttle, intercooler, humidifier, cathode inlet mouth on pile and cathode gas outlet are set, the cooling device includes cooling water pump, thermostat, heater, radiator, cooling liquid outlet on pile and coolant inlet are set, the utility model accurately controls the pressure of reactant, humidity, temperature, flow, partial pressure, suitable stack temperature control, pile is operated in into suitable electric current In voltage range, so that the reliability of fuel battery engines is higher.
Description
Technical field
The utility model relates to a kind of high reliability fuel battery engines.
Background technique
Fuel battery engines are a kind of multiphase coupled systems, and the indices such as temperature, humidity, pressure, flow, partial pressure are all
The reliability that will affect fuel cell operation, there is following characteristics for parameters: lower anode intake air temperature can make it
With occur condensation in the saturation hydrogen mixed process of anode export, the water of liquid can block the influence of pile runner after entering pile
The operation of pile, and excessively high temperature will affect the service life of proton exchange membrane, so accurate to need pile reliability service
Control the temperature of anode hydrogen gas；
Lower humidity can make proton exchange membrane dry, and dry proton exchange membrane will affect proton passability to influence
Performance data, and higher humidity can be such that vapor condenses in runner, if the liquid water for failing to be discharged condensation in time can block up
Plug flow road influences pile and operates normally, and the humidity for controlling anode reaction gas is extremely important for the reliability of fuel cell；
Fuel cell piles up the difference of the requirement under different power outputs to anode and cathode pressure, and requires the anode pressure moment
It keeps being slightly above cathode so that the nitrogen for effectively reducing cathode penetrates into anode, pile is transported in accurate anode and cathode pressure difference control
Row safety is extremely important；The partial pressure of hydrogen can be reduced with the transmembranal penetration of cathode gas, and lower hydrogen partial pressure can make sun
The deficient gas in part occurs for pole, and deficient gas can corrode catalyst carbon support and cause catalyst loss, and effectively controlling hydrogen partial pressure can prolong
Long fuel battery service life；
After being pressurized by air compressor, the temperature of air can raising sharply, the air of higher temperature enters pile
After can shorten proton exchange membrane lifetime, effectively control intake air temperature catalyst activity can be improved and extend the pile service life；Air
Humidity from the point of view of one side air flow it is very big, if air when operation into heap is relatively dry, proton exchange membrane can be dried up
To influence Performance data and service life, pile is purged with more dry air when on the other hand shutting down, can be improved
The low temperature of pile stores and low-temperature startup performance, effective pile air humidity management are extremely important to the effectively operation of pile；
The partial pressure of cathode oxygen can be improved to improve the performance of fuel cell in the pressure for improving cathode, but excessively high
Pressure can make the load of air compressor machine excessively high to influence the efficiency of fuel battery engines, and reasonable air pressure is for pile
Performance and safe operation are all critically important；
Influence of the air mass flow to fuel battery performance shows that lower air metering ratio can be unable to satisfy fuel cell
Air inflow demand, and excessively high air metering influences Performance data and service life than that can dry up proton exchange membrane, effectively controls
Performance data and operational reliability can be improved in cathode metering ratio processed；Activity and electricity of the pile running temperature for pile catalyst
The heap service life is all critically important, and rationally controlling coolant temperature can be improved the reliability of pile, and cooling system coolant pressure mistake
Height can test the rigidity and sealing of bipolar plates, and coolant rate is too low will to make the pile entrance temperature difference larger to influence pile
Consistency, effectively control coolant pressure, pile inlet temperature, the pile coolant liquid entrance temperature difference for pile reliability service
It is extremely important.
Three regions of the polarization curve of fuel cell point, activation polarization, ohmic polarization, concentration polarization, if fuel cell
When running close to activation polarization region monolithic voltage higher than 0.85V, the carbon carrier of fuel-cell catalyst can be etched electrochemically
And cause catalyst loss, and when fuel cell operation is close to concentration polarization region, can make anode locally that part occurs is anti-for deficient gas
Pole influences pile reliability service, rationally controls fuel cell operation and does real-time monitoring for the reliable fortune of pile to monolithic voltage
Row is extremely important.
So how to pass through pressure, humidity, temperature, flow, the partial pressure for effectively controlling reactant, suitable stack temperature
Control, pile is operated within the scope of suitable Current Voltage, so that it is this field that the reliability of fuel battery engines is higher
The problem that technical staff faces.
Summary of the invention
In order to solve the above technical problems, the purpose of the utility model is to provide a kind of high reliability fuel cell powereds
Machine.
To achieve the goals above, the utility model uses technical solution below:
A kind of high reliability fuel battery engines, including pile, cabinet, anode assembly, cathode assembly, cooling device,
Electric device and fuel cell controller, the pile are fixed in cabinet,
The anode assembly includes anode pressure sensor, proportioning valve, hydrogen circulating pump, the anode air inlet being arranged on pile
Mouth and anode gas outlet, the proportioning valve is connected to by pipeline with anode inlet, and is set between proportioning valve and anode inlet
Proportional valve chamber, the hydrogen circulating pump is arranged between ratio valve chamber and anode gas outlet, and hydrogen circulating pump and proportioning valve
Preceding drip chamber is equipped between cavity, the preceding drip chamber is equipped with liquid level sensor；
The cathode assembly includes cathode pressure sensors, air compressor machine, air throttle, intercooler, humidifier, setting in pile
On cathode inlet mouth and cathode gas outlet, the air compressor machine, air throttle, intercooler, humidifier be sequentially connected by pipeline, and
The both ends of humidifier are connected to cathode inlet mouth and cathode gas outlet respectively；
The cooling device includes that cooling water pump, thermostat, heater, radiator, the coolant liquid being arranged on pile go out
Mouthful and coolant inlet, the cooling water pump, thermostat, heater by pipeline formation inner loop pipeline, the cooling water pump,
Thermostat, radiator form external circulation line by pipeline, and thermostat control inner loop pipeline and external circulation line are cut
It changes；The cooling device further includes cooling pressure sensor, and pile exports cooling-water temperature transmitter and pile entrance coolant liquid
Temperature sensor；
The electric device, which includes that distribution box, low-voltage interface, the high positive pressure interface of fuel cell and fuel cell high pressure are negative, to be connect
Mouthful, the distribution box is fixed on cabinet, the high positive pressure interface of low-voltage interface, fuel cell and the negative interface setting of fuel cell high pressure
In the side of cabinet；
Be additionally provided in the pile hydrogen gas concentration sensor, Current Voltage sensor, pile monolithic voltage acquisition connector,
Pile monolithic voltage collection plate, the fuel cell controller receives each sensor signal, and drives corresponding executing agency.
As a preferred solution: the cabinet includes the fuel cell case being fixed to each other and fuel cell cover board, the combustion
Pile mounting bracket is additionally provided in material Battery case, and the both ends of Battery case are additionally provided with pile entrance distribution valve body and pile goes out
Mouth distribution valve body.
As a preferred solution: be additionally provided with rear drip chamber between the hydrogen circulating pump and preceding drip chamber, the preceding drip chamber by
Front-seat solenoid-driven discharge, the rear drip chamber are discharged by heel row solenoid-driven.
The utility model is by pile, anode assembly, cathode assembly, and setting related sensor is accurately examined in cooling device
The state of each device is surveyed, and data acquisition is carried out to above-mentioned each sensor by fuel cell controller, then again
Corresponding executing agency is controlled, accurate pressure, humidity, temperature, flow, the partial pressure for controlling reactant, suitable pile
Temperature control, pile is operated within the scope of suitable Current Voltage, so that the reliability of fuel battery engines is higher.
Detailed description of the invention
Fig. 1 is the superstructure schematic diagram of the utility model.
Fig. 2 is the bottom substance schematic diagram of the utility model.
Fig. 3 is the structural schematic diagram of the cabinet of the utility model.
Fig. 4 is the mounting structure schematic diagram of the pile of the utility model, sensor and cabinet.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
A kind of high reliability fuel battery engines as shown in Figures 1 to 4, including pile, cabinet 6, anode assembly 1,
Cathode assembly 2, cooling device 3, electric device 4 and fuel cell controller 5, the pile are fixed in cabinet 6,
The anode assembly 1 includes anode pressure sensor 509, proportioning valve 102, hydrogen circulating pump 106, is arranged on pile
Anode inlet 101 and anode gas outlet, the proportioning valve 102 is connected to by pipeline with anode inlet 101, and proportioning valve
Ratio valve chamber 103 is equipped between 102 and anode inlet 101, the hydrogen circulating pump 106 is arranged in 103 He of ratio valve chamber
Between anode gas outlet, and preceding drip chamber 105, the preceding drip chamber are equipped between hydrogen circulating pump 106 and ratio valve chamber 103
105 are equipped with liquid level sensor 511；
The cathode assembly 2 includes cathode pressure sensors 510, air compressor machine, air throttle 203, intercooler 201, humidifier
202, the cathode inlet mouth on pile and cathode gas outlet, the air compressor machine, air throttle 203, intercooler 201, humidification are set
Device 202 is sequentially connected by pipeline, and the both ends of humidifier 202 are connected to cathode inlet mouth and cathode gas outlet respectively；
The cooling device 3 includes cooling water pump 301, thermostat 304, heater 305, radiator, setting on pile
Cooling liquid outlet and coolant inlet, the cooling water pump 301, thermostat 304, heater 305 by pipeline formed in follow
Endless tube road, the cooling water pump 301, thermostat 304, radiator form external circulation line by pipeline, and the thermostat 304 is controlled
The switching of inner loop pipeline and external circulation line processed；The cooling device 3 further includes cooling pressure sensor 503, pile outlet
Cooling-water temperature transmitter 507 and pile entrance cooling-water temperature transmitter 508；
The electric device 4 includes distribution box 401, low-voltage interface 402, the high positive pressure interface 403 of fuel cell and fuel electricity
The negative interface 404 of pond high pressure, the distribution box 401 are fixed on cabinet 6, the high positive pressure interface 403 of low-voltage interface 402, fuel cell
The side of cabinet 6 is set with the negative interface 404 of fuel cell high pressure；
Hydrogen gas concentration sensor 502, Current Voltage sensor 504, the acquisition of pile monolithic voltage are additionally provided in the pile
Connector 505, pile monolithic voltage collection plate 506, the fuel cell controller 501 receives each sensor signal, and drives
Move corresponding executing agency.
The cabinet 6 includes the fuel cell case 601 and fuel cell cover board 602 being fixed to each other, the fuel cell
Pile mounting bracket 605 is additionally provided in cabinet 601, and the both ends of Battery case 601 are additionally provided with pile entrance distribution 603 He of valve body
Pile outlet distribution valve body 604.
It is additionally provided with rear drip chamber 107 between the hydrogen circulating pump 106 and preceding drip chamber 105, the preceding drip chamber 105 is by preceding
The driving discharge of solenoid valve 108 is arranged, the rear drip chamber 107 is driven by heel row solenoid valve 109 to be discharged.
Anode inlet 101 is the connecting interface of fuel battery engines and on-board hydrogen system；Proportioning valve 102, proportioning valve
Effect be adjust anode hydrogen gas pressure, accomplish that anode pressure is more slightly higher than cathode pressure, and slowing down cathode nitrogen penetrates into sun
Pole；Ratio valve chamber 103, the hydrogen after proportioning valve pressure regulation form stable pressure in this cavity, and with hydrogen circulating pump
The high temperature and humidity hydrogen of 106 outlets is mixed；High Purity Hydrogen and circulating pump 106 after preceding drip chamber 105, proportioning valve 102 flow back
High temperature and humidity hydrogen mixing after have part vapor condensation, to prevent liquid water to be again introduced into pile, in the utility model
In devise before drip chamber 105, will into the hydrogen of heap carry out steam separation, reach liquid level sensor height in the liquid level of preceding drip chamber
Front row solenoid valve 108 carries out pulsatile once discharge when spending；Effect crucial there are two hydrogen circulating pumps 106 in the present invention,
One carries out warming and humidifying to entrance high-purity hydrogen using the high temperature and humidity hydrogen of fuel cell anode outlet, guarantees to enter pile
Mixing hydrogen temperature and humidity meet pile demand, the second is using hydrogen flowing by inside pile from cathode reverse osmosis to sun
The liquid water of pole takes pile out of, prevents blocking runner；The application is equipped with rear drip chamber 107, and the liquid water inside pile is carried over
For post-concentration product in the water chamber, heel row solenoid valve 109 carries out pulse discharge to liquid water and mixing hydrogen, carries out to mixing hydrogen
The purpose of pulse discharge is to control the purity of pile anode hydrogen gas, with the progress of electrochemical reaction, in pile cathode flow channels
Nitrogen can penetrate into anode, anode, which assembles excessively high nitrogen gas concn, can allow pile to generate the deficient gas in part, so as to cause catalysis
Electrochemical corrosion, which occurs, for the carbon carrier of agent influences the service life of pile, so needing to carry out gaseous mixture pulse discharge, control
The concentration of anode hydrogen gas.
Air temperature after air compressor machine is pressurized can rise, and the air of excessive temperature can shorten proton exchange after entering pile
Membrane lifetime, the utility model devise intercooler 201, coolant liquid and hot-air and exchange heat in intercooler 201, accurately control
Into the temperature of pile；Pile reaction condition all requires temperature, the humidity of air, cold in air process in the utility model
It after controlling temperature, still needs to be humidified into humidifier 202, it is ensured that all meet the requirements, increase into the temperature of pile air, humidification
The principle of wet device is to be increased in humidifier using the saturated gas of pile cathode outlet to the dry gas before pile entrance
It is wet；Fuel battery engines can have corresponding flow, pressure requirements to reaction gas in each power points, and the utility model exists
The actuator that tip designs air throttle 203 in air road is controlled as the back pressure on air road passes through control rotational speed of air compressor, solar term
The aperture of door 203 makes air meet flow, pressure requirements under each power points.It is logical that the application is additionally provided with pile cabinet
Wind entrance 204, pile cabinet draft outlet 205, by keeping cabinet ventilation to make it in fuel battery engines operational process
Meet safety requirements.
Temperature is affected to the electrochemical reaction in pile, for the high reliability of pile reaction, needs to accurately control
Pile coolant inlet temperature, the temperature difference of exit and entry are to guarantee that pile internal temperature meets best temperature needed for electrochemical reaction
The cooling water pump 301 of degree, the utility model design is the power unit of coolant liquid circulation, is controlled and is cooled down by cooling water pump 301
The flow of liquid can effectively control the temperature difference of pile coolant outlet entrance；Fuel cell is more sensitive to reaction temperature, too low
Reaction temperature can make catalytic activity low and be unable to satisfy the requirement of pile electrochemical reaction, and excessively high reaction temperature can make matter
The proton exchange lost of life is lower than reaction requirement temperature in coolant temperature so the utility model devises thermostat 304
When, heater 305 is cycled through inside by coolant liquid and is heated rapidly to reaction requirement temperature, reaches the mistake of demand temperature in temperature
Thermostat 304 can progressively close off interior circulation/opening outer circulation in journey, pass through external radiator, accurate control after outer circulation standard-sized sheet
Pile coolant inlet temperature processed, then cooling water pump 301 is cooperated to meet the requirements pile cooling liquid outlet, the entrance temperature difference.
The fuel battery engines of the utility model are a plurality of voltage platforms equipment, devise distribution box 401 as electricity
Power allocation unit.For fuel cell as a multiphase coupled equipment, there are many parameter for needing to control, and the utility model devises combustion
Expect central processing unit of the battery controller 501 as fuel battery engines；Hydrogen gas concentration sensor 502, real-time monitoring cabinet
Interior density of hydrogen, it is ensured that hydric safe；Cooling pressure sensor 503, real-time monitoring cooling pressure；Current Voltage sensor 504,
The electric current of acquisition pile, voltage output situation in real time；Fuel cell pile is to be formed by tens to several hundred section cells in series,
It needs to monitor the operating status of each batteries when fuel cell operation, the acquisition of pile monolithic voltage is devised in the utility model
Connector 505, pile monolithic voltage collection plate 506 acquire connector 505 by pile monolithic voltage, and pile monolithic voltage is adopted
Collection plate 506 can effectively monitor the voltage condition of each batteries, will be seen that each batteries by analyzing voltage condition
Operating status；Pile exports cooling-water temperature transmitter 507, pile entrance cooling-water temperature transmitter 508, passes through real-time monitoring
Pile cools down entrance temperature, can effectively control pile internal reaction temperature, pile is made to operate in efficient, reliable state；
Anode pressure sensor 509, cathode pressure sensors 510, fuel cell pile up under different power outputs to anode and cathode pressure
Requirement it is different, highly necessary ask the anode pressure moment to keep being slightly above cathode.The anode pressure sensor of the utility model design
509, cathode pressure sensors 510 can effectively monitor anode and cathode gas pressure.
Fuel battery engines need to meet the IP grade of automobile-used rank, the protection of the utility model as vehicular equipment
Grade is IP67, the fuel cell case 601 of design, fuel cell cover board 602, and sealing can satisfy IP67 requirement；Pile enters
Mouth distribution valve body 603, the air, hydrogen, coolant liquid that will enter pile will be allocated；Pile outlet distribution valve body 604, by pile
The air of outlet, hydrogen, coolant liquid are allocated.
It should be pointed out that above embodiments are only the representative examples of the utility model.The utility model can also there are many
Deformation.All essence any simple modification, equivalent change and modification to the above embodiments according to the utility model,
It is considered as belonging to the protection scope of the utility model.
Claims (3)
1. a kind of high reliability fuel battery engines, it is characterised in that: including pile, cabinet (6), anode assembly (1), cathode
Device (2), cooling device (3), electric device (4) and fuel cell controller (501), the pile are fixed in cabinet (6),
The anode assembly (1) includes anode pressure sensor (509), proportioning valve (102), hydrogen circulating pump (106), is arranged in electricity
Anode inlet (101) and anode gas outlet on heap, the proportioning valve (102) are connected by pipeline and anode inlet (101)
It is logical, and ratio valve chamber (103) are equipped between proportioning valve (102) and anode inlet (101), the hydrogen circulating pump (106) sets
It sets between ratio valve chamber (103) and anode gas outlet, and is equipped between hydrogen circulating pump (106) and ratio valve chamber (103)
Preceding drip chamber (105), the preceding drip chamber (105) are equipped with liquid level sensor (511)；
The cathode assembly (2) includes cathode pressure sensors (510), air compressor machine, air throttle (203), intercooler (201), increases
Wet device (202), the cathode inlet mouth being arranged on pile and cathode gas outlet, the air compressor machine, air throttle (203), intercooler
(201), humidifier (202) is sequentially connected by pipeline, and the both ends of humidifier (202) go out with cathode inlet mouth and cathode respectively
Port connection；
The cooling device (3) includes cooling water pump (301), thermostat (304), heater (305), radiator, setting in electricity
Cooling liquid outlet and coolant inlet on heap, the cooling water pump (301), thermostat (304), heater (305) pass through pipe
Road forms inner loop pipeline, and the cooling water pump (301), thermostat (304), radiator form external circulation line by pipeline,
The switching of thermostat (304) the control inner loop pipeline and external circulation line；The cooling device (3) further includes cooling pressure
Sensor (503), pile export cooling-water temperature transmitter (507) and pile entrance cooling-water temperature transmitter (508)；
The electric device (4) includes distribution box (401), low-voltage interface (402), the high positive pressure interface (403) of fuel cell and combustion
Expect the negative interface of battery high pressure (404), the distribution box (401) is fixed on cabinet (6), and low-voltage interface (402), fuel cell are high
Positive pressure interface (403) and the negative interface of fuel cell high pressure (404) are arranged in the side of cabinet (6)；
Hydrogen gas concentration sensor (502), Current Voltage sensor (504), the acquisition of pile monolithic voltage are additionally provided in the pile
Connector (505), pile monolithic voltage collection plate (506), the fuel cell controller (501) receive each sensor letter
Number, and drive corresponding executing agency.
2. a kind of high reliability fuel battery engines according to claim 1, it is characterised in that: cabinet (6) packet
The fuel cell case (601) and fuel cell cover board (602) being fixed to each other are included, is also set in the fuel cell case (601)
Have pile mounting bracket (605), and the both ends of Battery case (601) are additionally provided with pile entrance distribution valve body (603) and pile goes out
Mouth distribution valve body (604).
3. a kind of high reliability fuel battery engines according to claim 1, it is characterised in that: the hydrogen circulating pump
(106) it is additionally provided between preceding drip chamber (105) rear drip chamber (107), the preceding drip chamber (105) is by front-seat solenoid valve
(108) driving discharge, the rear drip chamber (107) is driven by heel row solenoid valve (109) to be discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821183581.7U CN208444899U (en) | 2018-07-25 | 2018-07-25 | A kind of high reliability fuel battery engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821183581.7U CN208444899U (en) | 2018-07-25 | 2018-07-25 | A kind of high reliability fuel battery engines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208444899U true CN208444899U (en) | 2019-01-29 |
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ID=65086482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821183581.7U Active CN208444899U (en) | 2018-07-25 | 2018-07-25 | A kind of high reliability fuel battery engines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208444899U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110085896A (en) * | 2019-05-21 | 2019-08-02 | 武汉雄韬氢雄燃料电池科技有限公司 | A kind of highly integrated property fuel battery engine system |
| CN116995266A (en) * | 2023-09-27 | 2023-11-03 | 北京英博新能源有限公司 | Fuel cell anode system capable of preventing single low fault during engine starting |
-
2018
- 2018-07-25 CN CN201821183581.7U patent/CN208444899U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110085896A (en) * | 2019-05-21 | 2019-08-02 | 武汉雄韬氢雄燃料电池科技有限公司 | A kind of highly integrated property fuel battery engine system |
| CN116995266A (en) * | 2023-09-27 | 2023-11-03 | 北京英博新能源有限公司 | Fuel cell anode system capable of preventing single low fault during engine starting |
| CN116995266B (en) * | 2023-09-27 | 2023-12-15 | 北京英博新能源有限公司 | Fuel cell anode system capable of preventing single low fault during engine starting |
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