CN209418661U - A kind of control system of fuel cell - Google Patents
A kind of control system of fuel cell Download PDFInfo
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- CN209418661U CN209418661U CN201920232417.9U CN201920232417U CN209418661U CN 209418661 U CN209418661 U CN 209418661U CN 201920232417 U CN201920232417 U CN 201920232417U CN 209418661 U CN209418661 U CN 209418661U
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- fuel cell
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- control device
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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 utility model relates to field of fuel cell technology, specifically disclose a kind of control system of fuel cell, wherein, the control system of the fuel cell includes: hydrogen end Water, steam circulation device, air end air feeder, pile moisture monitoring device, pile cooling and low-temperature heating device and control device, the anode tap of fuel cell pile is arranged in the hydrogen end Water, steam circulation device, the cathode terminal of fuel cell pile is arranged in the air end air feeder, the pile moisture monitoring device and pile cooling and low-temperature heating device are connect with the fuel cell pile, the hydrogen end Water, steam circulation device, air end air feeder, pile moisture monitoring device and pile cooling and low-temperature heating device are communicated to connect with the control device.The control system of fuel cell provided by the utility model can effectively remove liquid water excessive in fuel cell, extend the pile service life.
Description
Technical field
The utility model relates to field of fuel cell technology more particularly to a kind of control systems of fuel cell.
Background technique
With the development of fuel cell technology, fuel cell become after solving cost and service life its it is commercialized it is crucial because
Its environmental suitability after element, and the low-temperature storage and starting of the pile of fuel cell and its system be its key performance it
One.
After operation of fuel cells, combustion can be worked as in pile and its system there are a large amount of liquid waters and water vapour
Battery is expected when ambient temperature is lower than zero degree, and staying in water in pile and its system can freeze, and the ice tied can be in pile
Membrane electrode assembly cause mortal injury, sometimes pierce through battery in proton exchange membrane；Secondly gas pipeline and stream can be blocked
Field flow road keeps cell fluid circulation unsmooth, impacts to battery performance and service life.
Summary of the invention
The utility model aims to solve at least one of the technical problems existing in the prior art, provides a kind of fuel cell
Control system, to solve the problems of the prior art.
As the one aspect of the utility model, a kind of control system of fuel cell is provided, wherein the fuel cell
Control system include: that hydrogen end Water, steam circulation device, air end air feeder, pile moisture monitoring device, pile are cold
But and the anode tap of fuel cell pile is arranged in low-temperature heating device and control device, the hydrogen end Water, steam circulation device,
The cathode terminal of fuel cell pile, the pile moisture monitoring device and the electricity is arranged in the air end air feeder
Heap is cooling and low-temperature heating device is connect with the fuel cell pile, and the hydrogen end Water, steam circulation device, air end are empty
Air feed system, pile moisture monitoring device and pile are cooling and low-temperature heating device is communicated to connect with the control device；
The hydrogen end Water, steam circulation device is used under the control of the control device to every in fuel cell pile
The anode tap of a fuel cell carries out Water, steam circulation or vacuum suction；
The air end air feeder is used under the control of the control device to every in fuel cell pile
The cathode terminal of a fuel cell carries out air purging；
The pile moisture monitoring device is used under the control of the control device to the moisture in fuel cell pile
It is monitored；
The pile is cooling and low-temperature heating device under the control of the control device to fuel cell pile into
Row cooling or low-temperature heat.
Preferably, the hydrogen end Water, steam circulation device include high pressure hydrogen tank, hydrogen co-rail ejector, threeway buffer,
Hydrogen gas circulating pump and steam-water separator, pressure reducing valve is provided on the high pressure hydrogen tank, and the high pressure hydrogen tank is subtracted by described
Pressure valve is successively connect with the entrance of the anode tap of the hydrogen co-rail ejector, threeway buffer and fuel cell, the carbonated drink
The outlet of the anode tap of one end and fuel cell of separator connects, the other end of the steam-water separator successively with the hydrogen
Circulating pump is connected with check valve, and the check valve is connect with the threeway buffer, the hydrogen co-rail ejector and hydrogen circulation
Pump is connect with the control device, and the hydrogen in the high pressure hydrogen tank passes through hydrogen co-rail ejector, threeway buffer and combustion
Expect that the entrance of the anode tap of battery enters the anode tap of fuel cell pile, the steam-water separator is used for the fuel electricity
The carbonated drink of the outlet discharge of the anode tap in pond carries out hydrogen and aqueous water from the hydrogen gas circulating pump is used to fill in the control
The hydrogen after steam-water separator separation is recycled to the check valve under the control set, the check valve is used for the hydrogen
Gas is delivered to the threeway buffer.
Preferably, the hydrogen end Water, steam circulation device further includes hydrogen gas pressure sensor and exhaust valve, the hydrogen pressure
Force snesor and the exhaust valve are connect with the control device, and the exhaust valve is arranged in the check valve and the hydrogen
Between circulating pump, the hydrogen gas pressure sensor is used to monitor the pressure signal of the hydrogen in the fuel cell pile, and will
The pressure signal monitored is sent to the control device, and the control device is used to judge the combustion according to the pressure signal
Expect whether the pressure in battery stack is more than preset threshold, the exhaust valve is more than pre- for the pressure in the battery stack
If hydrogen is discharged when threshold value under the control of the control device.
Preferably, the hydrogen end Water, steam circulation device includes hydrogen Temperature Humidity Sensor, the hydrogen temperature and humidity sensing
Device is connect with the control device, and the inlet of the anode tap of the fuel cell is arranged in the hydrogen Temperature Humidity Sensor,
The hydrogen Temperature Humidity Sensor is used to monitor the temperature-humidity signal in the fuel cell pile, and the temperature that will be monitored
Room degree signal is sent to the control device.
Preferably, the air end air feeder includes air cleaner, air pump, air flow controller and back
Press adjuster, the air cleaner successively cathode with the air pump, air flow controller and the fuel cell
The entrance at end connects, and the back pressure regulator is connect with the outlet of the cathode terminal of the fuel cell, the air flow control
Device is connect with the control device, and the air cleaner is used for through the air pump and the air flow controller to institute
The cathode terminal for stating fuel cell is blown into air, and the back pressure regulator is used for the sky of the outlet of the cathode terminal of the fuel cell
Gas discharge, the air flow controller are used to control the cathode terminal of the fuel cell under the control of the control device
The air mass flow of entrance.
Preferably, the air end air feeder further includes air pressure flow sensor, the air pressure stream
Quantity sensor is arranged between the entrance of the cathode terminal of the air flow controller and the fuel cell, the air pressure
Flow sensor is connect with the control device, and the air pressure flow sensor is used to monitor the cathode of the fuel cell
The air pressure flow of the entrance at end.
Preferably, the air end air feeder further includes air temperature sensor, the air temperature sensor
Be arranged between the entrance of the cathode terminal of the air flow controller and the fuel cell, the air temperature sensor with
The control device connection, the air temperature sensor are used to monitor the Air Temperature of the entrance of the cathode terminal of the fuel cell
Degree.
Preferably, the pile moisture monitoring device includes internal resistance of cell monitor, the internal resistance of cell monitor setting
It is connect with the fuel cell pile, the internal resistance of cell monitor is also connect with the control device, the internal resistance of cell prison
Visual organ is used to monitor the internal resistance data of the fuel cell pile.
Preferably, the pile is cooling and low-temperature heating device includes water tank, water pump, heat exchanger and starting battery, institute
Water tank is stated to connect with the fuel cell pile, the water pump is connect with the water tank, the heat exchanger respectively with the water
Pump connected with the fuel cell pile, the water tank and the water pump are connect with the starting battery, the water pump with open
Dynamic battery is connect with the control device, and the water tank, water pump and heat exchanger under the control of the control device can
Low-temperature heat is carried out to the fuel cell pile.
Preferably, the pile is cooling and low-temperature heating device includes cooling fan, the cooling fan respectively with it is described
Starting battery is connected with the control device, and the cooling fan can under the control of the control device can be to the combustion
Material battery stack is cooled down.
The control system of fuel cell provided by the utility model, by hydrogen end Water, steam circulation device to fuel cell hydrogen
Gas side is evacuated, and air end air feeder carries out air purging to fuel battery air side, removes fuel cell
Liquid water and steam in pile makes the water removal synchronous with hydrogen gas side of the air side inside pile, can reach in the short time and remove
The purpose of excessive liquid water inside pile, and it is provided with pile moisture monitoring device and pile cooling and low-temperature heating device,
It avoids under cold low temperature condition, battery is damaged because of water freezing inside pile and because is managed in the duct simultaneously
Road freezes and can not start.
Detailed description of the invention
Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following
Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural block diagram of the control system of fuel cell provided by the utility model.
Fig. 2 is the structural schematic diagram of hydrogen end Water, steam circulation device provided by the utility model.
Fig. 3 is the structural schematic diagram of air end air feeder provided by the utility model.
Fig. 4 is the structural schematic diagram of pile moisture monitoring device provided by the utility model.
Fig. 5 is the structural schematic diagram of pile cooling provided by the utility model and low-temperature heating device.
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
As the one aspect of the utility model, a kind of control system of fuel cell is provided, wherein as shown in Figure 1, institute
The control system packet 10 for stating fuel cell includes: hydrogen end Water, steam circulation device 110, air end air feeder 120, pile water
Divide monitoring device 130, pile cooling and low-temperature heating device 140 and control device 150, the hydrogen end Water, steam circulation device
110 are arranged in the anode tap of fuel cell pile, and the yin of fuel cell pile is arranged in the air end air feeder 120
Extremely, the pile moisture monitoring device 130 and pile cooling and low-temperature heating device 140 are electric with the fuel cell
Heap connection, the hydrogen end Water, steam circulation device 110, air end air feeder 120,130 and of pile moisture monitoring device
Pile is cooling and low-temperature heating device 140 is communicated to connect with the control device 150；
The hydrogen end Water, steam circulation device 110 is used under the control of the control device 150 to fuel cell pile
In the anode tap of each fuel cell carry out Water, steam circulation or vacuum suction；
The air end air feeder 120 is used under the control of the control device 150 to fuel cell pile
In each fuel cell cathode terminal carry out air purging；
The pile moisture monitoring device 130 is used under the control of the control device 150 in fuel cell pile
Moisture be monitored；
The pile is cooling and low-temperature heating device 140 is used under the control of the control device 150 to fuel cell
Pile carries out cooling or low-temperature heat.
The control system of fuel cell provided by the utility model, by hydrogen end Water, steam circulation device to fuel cell hydrogen
Gas side is evacuated, and air end air feeder carries out air purging to fuel battery air side, removes fuel cell
Liquid water and steam in pile makes the water removal synchronous with hydrogen gas side of the air side inside pile, can reach in the short time and remove
The purpose of excessive liquid water inside pile, and it is provided with pile moisture monitoring device and pile cooling and low-temperature heating device, together
When avoided under cold low temperature condition in the duct, battery is damaged because of water freezing inside pile and because of pipeline
It freezes and can not start.
Preferably, the control device 150 includes single-chip microcontroller.
As the specific embodiment of hydrogen end Water, steam circulation device 110, as shown in Fig. 2, hydrogen end Water, steam circulation
Device 110 includes high pressure hydrogen tank 111, hydrogen co-rail ejector 112, threeway buffer 113, check valve 114, hydrogen gas circulating pump
115 and steam-water separator 116, pressure reducing valve is provided on the high pressure hydrogen tank 111, and the high pressure hydrogen tank 111 passes through described
Pressure reducing valve is successively connect with the entrance of the anode tap of the hydrogen co-rail ejector 112, threeway buffer 113 and fuel cell,
The outlet of the anode tap of one end and fuel cell of the steam-water separator 116 connects, the other end of the steam-water separator 116
Successively it is connect with the hydrogen gas circulating pump 115 and check valve 114, the check valve 114 is connect with the threeway buffer 113,
The hydrogen co-rail ejector 112 and hydrogen gas circulating pump 115 are connect with the control device 150, in the high pressure hydrogen tank 111
Hydrogen fuel cell is entered by the entrance of the anode tap of hydrogen co-rail ejector 112, threeway buffer 113 and fuel cell
The anode tap of pile, the steam-water separator 116 are used to carry out the carbonated drink of the outlet discharge of the anode tap of the fuel cell
Hydrogen and aqueous water are from the hydrogen gas circulating pump 115 is used for the steam-water separation under the control of the control device 150
Hydrogen after device separation is recycled to the check valve 114, and the check valve 114 delays for the hydrogen to be delivered to the threeway
Rush device 113.
Specifically, as shown in Fig. 2, the hydrogen end Water, steam circulation device 110 further includes hydrogen gas pressure sensor 117 and row
Air valve 118, the hydrogen gas pressure sensor 117 and the exhaust valve 119 are connect with the control device 150, the exhaust
Valve 119 is set between the check valve 114 and the hydrogen gas circulating pump 115, and the hydrogen gas pressure sensor 117 is for monitoring institute
The pressure signal of the hydrogen in fuel cell pile is stated, and the pressure signal monitored is sent to the control device 150, institute
Control device 150 is stated for judging whether the pressure in the fuel cell pile is more than default threshold according to the pressure signal
Value, in the control of the control device 150 when the pressure that the exhaust valve 119 is used in the battery stack is more than preset threshold
System is lower to discharge hydrogen.
Specifically, as shown in Fig. 2, the hydrogen end Water, steam circulation device 110 includes hydrogen Temperature Humidity Sensor 118, institute
It states hydrogen Temperature Humidity Sensor 118 to connect with the control device 150, the hydrogen Temperature Humidity Sensor 118 is set in the combustion
Expect the inlet of the anode tap of battery, the hydrogen Temperature Humidity Sensor 118 is used to monitor the temperature in the fuel cell pile
Moisture signal, and the greenhouse degree signal monitored is sent to the control device 150.
Specifically, the hydrogen end Water, steam circulation device 110 includes the first pipeline, and the high pressure hydrogen tank 111 passes through institute
State pressure reducing valve and first pipeline successively with the hydrogen co-rail ejector 112, threeway buffer 113 and the fuel cell
Anode tap entrance connection, one end of the steam-water separator 116 passes through the sun of first pipeline and the fuel cell
Extreme outlet connection, the other end of the steam-water separator 116 pass sequentially through the first pipeline and the hydrogen gas circulating pump 115 and
Check valve 114 connects, and the check valve 114 passes through the first piping connection with the threeway buffer 113.
It is understood that high pressure hydrogen tank 111 by pressure reducing valve and the first pipeline successively with hydrogen co-rail ejector 112,
Threeway buffer 113 is connected with the hydrogen inlet of fuel cell pile, and the hydrogen outlet of pile and steam-water separator 116, hydrogen
Gas circulating pump 115, check valve 114, it is last to be connected to threeway buffer 113 again, carry out the recycling of hydrogen steam.Since proton is handed over
It changes membrane cell and needs aqueous vapor that film is made to keep wetting in anode, and cathode needs to exclude water, runs battery held stationary.Yin
The water penetration that pole generates carries out water management to anode of fuel cell by circulating pump to anode.
Specifically, as shown in figure 3, the air end air feeder 120 includes air cleaner 121, air pump
122, air flow controller 123 and back pressure regulator 124, the air cleaner 121 successively with the air pump 122, empty
The entrance of the cathode terminal of air-flow amount controller 123 and the fuel cell connects, the back pressure regulator 124 and the fuel
The outlet of the cathode terminal of battery connects, and the air flow controller 123 is connect with the control device 150, the air filter
Clear device 121 by the air pump 122 and the air flow controller 123 to the cathode terminal of the fuel cell for being blown into
Air, the back pressure regulator 124 are used to for the air of the outlet of the cathode terminal of the fuel cell being discharged, the air mass flow
Controller 123 is used to control the air stream of the entrance of the cathode terminal of the fuel cell under the control of the control device 150
Amount.
Specifically, the air end air feeder 120 further includes air pressure flow sensor 125, the air
Pressure flow sensor 125 is arranged between the entrance of the cathode terminal of the air flow controller 123 and the fuel cell,
The air pressure flow sensor 125 is connect with the control device 150, and the air pressure flow sensor 125 is used for
Monitor the air pressure flow of the entrance of the cathode terminal of the fuel cell.
Specifically, the air end air feeder 120 further includes air temperature sensor 126, the air themperature
Sensor 126 is arranged between the entrance of the cathode terminal of the air flow controller 123 and the fuel cell, the air
Temperature sensor 126 is connect with the control device 150, and the air temperature sensor 126 is for monitoring the fuel cell
Cathode terminal entrance air themperature.
Specifically, the air end air feeder 120 includes the second pipeline, and the air cleaner passes through the pipe
Road is successively connect with the entrance of the cathode terminal of the air pump 122, air flow controller 123 and the fuel cell, institute
The outlet for stating the cathode terminal of back pressure regulator 124 and the fuel cell passes through second piping connection.
Specifically, as shown in figure 4, the pile moisture monitoring device 130 includes internal resistance of cell monitor 131, the electricity
The setting of pond internal resistance monitor 131 is connect with the fuel cell pile, and the internal resistance of cell monitor 131 is also filled with the control
150 connections are set, the internal resistance of cell monitor 131 is used to monitor the internal resistance data of the fuel cell pile.
Specifically, as shown in figure 5, the pile is cooling and low-temperature heating device 140 includes water tank 141, water pump 142, heat
Exchanger 143 and starting battery 144, the water tank 141 are connect with the fuel cell pile, the water pump 142 and the water
Case 141 connects, and the heat exchanger 143 is connect with the water pump 142 and the fuel cell pile respectively, the water tank 141
Connect with the starting battery 144 with the water pump 142, the water pump 142 and starting battery 144 with the control device
150 connections, the water tank 141, water pump 142 and heat exchanger 143 can be to the combustions under the control of the control device 150
Expect that battery stack carries out low-temperature heat.
Specifically, described cold as shown in figure 5, the pile is cooling and low-temperature heating device 140 includes cooling fan 145
But fan 145 is connect with the starting battery 144 and the control device 150 respectively, and the cooling fan 145 can be described
The fuel cell pile can be cooled down under the control of control device 150.
The specific work process of the control system of fuel cell provided by the utility model is described in detail below.
The course of work of fuel cell cold-starting is specific as follows:
First, when pile starts, control device 150 passes through hydrogen Temperature Humidity Sensor 118 and air temperature sensor 126
Stack temperature is perceived, fuel cell pack is detected by air temperature sensor 126, obtains the temperature value of fuel cell pack
T1；When T≤- 5 DEG C of temperature value of fuel cell pile, pile enters cold-starting program；When the temperature of fuel cell pile
At T > -5 DEG C of value, pile enters normal start-up procedure.
Second, when T > -5 DEG C of temperature value of fuel cell pack, starting fluid battery pile, control device 150 is according to pile
Specified inertia load, required air mass flow is provided by the stoichiometric ratio of preset hydrogen and air, works as inlet flow rate
When the flow of meter instruction reaches required air mass flow, control device 150 controls air pump 122 and maintains revolution at this time constant,
Control device 150 opens 111 bottle-jack valve of high pressure hydrogen tank and hydrogen co-rail ejector 112, supplies hydrogen to pile, pile carries out 0-
3 minutes warming-ups；Control device 150 is given according to the size of required load by the stoichiometric ratio of preset hydrogen and air
Required air mass flow out, when the flow of inlet flow rate meter instruction reaches required air mass flow, control device 150 controls sky
Air pump 122 maintains revolution at this time constant, and 112 flow of hydrogen co-rail ejector is constant, while the starting of hydrogen gas circulating pump 115 is according to pre-
The stoichiometric ratio first set carries out Hui Qing, and pile externally provides stable Current Voltage output.
Third, when temperature value T > 45 DEG C of fuel cell pack, control device 150 controls water pump 142,145 work of cooling fan
Make, entire pile cooled down, the temperature of pile is made to be maintained at TW(operating temperature), TW value is at 65 DEG C ~ 85 DEG C.
4th, when -20 DEG C≤T≤- 5 DEG C of temperature value of fuel cell pile, starting fluid battery, control device 150
It is loaded according to pile cold-starting inertia, required air mass flow is provided by the stoichiometric ratio of preset hydrogen and air,
When the flow of inlet flow rate meter instruction reaches required air mass flow, control device 150 controls air pump 122 and maintains at this time
Revolution is constant, and 0-3 minutes low temperature warming-ups are carried out to pile, when the temperature value of fuel cell pile is higher than zero degree, by above-mentioned
Article 2 carries out.
5th, when T≤- 20 DEG C of temperature value of fuel cell pile, starting fluid battery stack, control device 150 is controlled
System starting battery 144 heats pile, when stack temperature T rises to -20 DEG C or more, carries out by Article 4.
The course of work that fuel cell low temperature is shut down is specific as follows:
First, when low temperature pile is shut down, control device 150 disconnects pile and externally exports, and control device 150 is according to pile volume
Determine inertia load, required air mass flow is provided by the stoichiometric ratio of preset hydrogen and air, when inlet flow rate meter
When the flow of instruction reaches required air mass flow, control device 150 controls air pump 122 and maintains revolution at this time constant；Control
Hydrogen gas tank bottle-jack valve is closed in the control of device 150 processed, is stopped to pile hydrogen supply；
Second, pile is provided when control device 150 according to pile inspection by the remaining hydrogen in inertia load consumption pile
When monolithic voltage is lower than 0.1V, control device 150 controls air pump 122 and purges cathode side, control device with nominal air flow
150 control hydrogen gas circulating pumps 115 are evacuated anode of fuel cell side, and pile internal resistance monitor 131 is to control device
150 feedback pile internal resistance delta datas, when the internal resistance of cell reaches certain numerical value, control device 150 controls air pump 122, hydrogen
Circulating pump 115 is shut down, and is then shut off the valve of air side and hydrogen gas side, pile stops working.
The control system of fuel cell provided by the utility model, air side air purging, hydrogen gas side in pile high temperature
Hydrogen circulating pump vacuum suction, it is synchronous to remove moisture content in fuel cell pile, the water content in pile is monitored by internal resistance, makes pile
Middle moisture content is down to reasonable level, and MEA will not generate nanometer ice crystal and dendrite in subzero in such pile, and nanometer ice crystal and
The generation of dendrite has mortal injury to the performance of fuel cell and service life.It is raw by reducing MEA nanometers of ice crystals and dendrite in pile
At being fuel cell pile in 40 degrees below zero, subzero 30 degree of fuel cell piles starting.
It is understood that embodiment of above is merely to illustrate that the principles of the present invention and uses exemplary
Embodiment, however the utility model is not limited thereto.For those skilled in the art, this is not being departed from
In the case where the spirit and essence of utility model, various changes and modifications can be made therein, these variations and modifications are also considered as this reality
With novel protection scope.
Claims (10)
1. a kind of control system of fuel cell, which is characterized in that the control system of the fuel cell includes: hydrogen end steam
Circulator, air end air feeder, pile moisture monitoring device, pile cooling and low-temperature heating device and control dress
It sets, the anode tap of fuel cell pile is arranged in the hydrogen end Water, steam circulation device, and the air end air feeder is set
Set the cathode terminal in fuel cell pile, the pile moisture monitoring device and the pile is cooling and low-temperature heating device with
The fuel cell pile connection, the hydrogen end Water, steam circulation device, air end air feeder, pile moisture monitoring dress
It sets and is communicated to connect with the control device with pile cooling and low-temperature heating device；
The hydrogen end Water, steam circulation device is used under the control of the control device to each combustion in fuel cell pile
Expect that the anode tap of battery carries out Water, steam circulation or vacuum suction；
The air end air feeder is used under the control of the control device to each combustion in fuel cell pile
Expect that the cathode terminal of battery carries out air purging；
The pile moisture monitoring device is under the control of the control device carrying out the moisture in fuel cell pile
Monitoring；
The pile is cooling and low-temperature heating device is for cold to fuel cell pile progress under the control of the control device
But or low-temperature heat.
2. the control system of fuel cell according to claim 1, which is characterized in that the hydrogen end Water, steam circulation device
Including high pressure hydrogen tank, hydrogen co-rail ejector, threeway buffer, hydrogen gas circulating pump and steam-water separator, the high pressure hydrogen tank
On be provided with pressure reducing valve, the high pressure hydrogen tank by the pressure reducing valve successively with the hydrogen co-rail ejector, threeway buffer
And the entrance connection of the anode tap of fuel cell, the outlet of the anode tap of one end and fuel cell of the steam-water separator connect
It connects, the other end of the steam-water separator is successively connect with the hydrogen gas circulating pump and check valve, the check valve and described three
Logical buffer connection, the hydrogen co-rail ejector and hydrogen gas circulating pump are connect with the control device, the high pressure hydrogen tank
Interior hydrogen enters fuel cell pile by the entrance of the anode tap of hydrogen co-rail ejector, threeway buffer and fuel cell
Anode tap, the steam-water separator is used to the carbonated drink of the outlet discharge of the anode tap of the fuel cell carrying out hydrogen and liquid
The separation of state water, the hydrogen gas circulating pump is under the control of the control device by the hydrogen after steam-water separator separation
It is recycled to the check valve, the check valve is used to the hydrogen being delivered to the threeway buffer.
3. the control system of fuel cell according to claim 2, which is characterized in that the hydrogen end Water, steam circulation device
It further include hydrogen gas pressure sensor and exhaust valve, the hydrogen gas pressure sensor and the exhaust valve connect with the control device
It connects, the exhaust valve is arranged between the check valve and the hydrogen gas circulating pump, and the hydrogen gas pressure sensor is for monitoring
The pressure signal of hydrogen in the fuel cell pile, and the pressure signal monitored is sent to the control device, institute
It states control device and is used for judging whether the pressure in the fuel cell pile is more than preset threshold according to the pressure signal, institute
It states when exhaust valve is more than preset threshold for the pressure in the battery stack and discharges hydrogen under the control of the control device
Gas.
4. the control system of fuel cell according to claim 2, which is characterized in that the hydrogen end Water, steam circulation device
Including hydrogen Temperature Humidity Sensor, the hydrogen Temperature Humidity Sensor is connect with the control device, and the hydrogen temperature and humidity passes
The inlet of the anode tap of the fuel cell is arranged in sensor, and the hydrogen Temperature Humidity Sensor is for monitoring the fuel electricity
Temperature-humidity signal in the pile of pond, and the greenhouse degree signal monitored is sent to the control device.
5. the control system of fuel cell according to claim 1, which is characterized in that the air end air feeder
Including air cleaner, air pump, air flow controller and back pressure regulator, the air cleaner successively with the air
The entrance connection of the cathode terminal of pump, air flow controller and the fuel cell, the back pressure regulator and the fuel
The outlet of the cathode terminal of battery connects, and the air flow controller is connect with the control device, and the air cleaner is used
In being blown into air, the back pressure tune to the cathode terminal of the fuel cell by the air pump and the air flow controller
It saves device to be used to for the air of the outlet of the cathode terminal of the fuel cell being discharged, the air flow controller is used in the control
The air mass flow of the entrance of the cathode terminal of the fuel cell is controlled under the control of device processed.
6. the control system of fuel cell according to claim 5, which is characterized in that the air end air feeder
It further include air pressure flow sensor, air pressure flow sensor setting is in the air flow controller and described
Between the entrance of the cathode terminal of fuel cell, the air pressure flow sensor is connect with the control device, the air
Pressure flow sensor is used to monitor the air pressure flow of the entrance of the cathode terminal of the fuel cell.
7. the control system of fuel cell according to claim 5, which is characterized in that the air end air feeder
It further include air temperature sensor, the air temperature sensor is arranged in the air flow controller and the fuel cell
Cathode terminal entrance between, the air temperature sensor is connect with the control device, and the air temperature sensor is used
In the air themperature of the entrance for the cathode terminal for monitoring the fuel cell.
8. the control system of fuel cell according to claim 1, which is characterized in that the pile moisture monitoring device packet
Internal resistance of cell monitor is included, the internal resistance of cell monitor setting is connect with the fuel cell pile, the internal resistance of cell prison
Visual organ is also connect with the control device, and the internal resistance of cell monitor is used to monitor the internal resistance number of the fuel cell pile
According to.
9. the control system of fuel cell according to claim 1, which is characterized in that the pile cooling and low-temperature heat
Device includes that water tank, water pump, heat exchanger and starting battery, the water tank are connect with the fuel cell pile, the water pump
It is connect with the water tank, the heat exchanger is connect with the water pump and the fuel cell pile respectively, the water tank and institute
It states water pump to connect with the starting battery, the water pump and starting battery are connect with the control device, the water tank, water
Pump and heat exchanger can carry out low-temperature heat to the fuel cell pile under the control of the control device.
10. the control system of fuel cell according to claim 9, which is characterized in that the pile is cooling and low temperature adds
Thermal includes cooling fan, and the cooling fan is connect with the starting battery and the control device respectively, the cooling
Fan can under the control of the control device can cool down the fuel cell pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920232417.9U CN209418661U (en) | 2019-02-18 | 2019-02-18 | A kind of control system of fuel cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920232417.9U CN209418661U (en) | 2019-02-18 | 2019-02-18 | A kind of control system of fuel cell |
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| Publication Number | Publication Date |
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| CN209418661U true CN209418661U (en) | 2019-09-20 |
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|---|---|---|---|
| CN201920232417.9U Active CN209418661U (en) | 2019-02-18 | 2019-02-18 | A kind of control system of fuel cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109713336A (en) * | 2019-02-18 | 2019-05-03 | 无锡威孚高科技集团股份有限公司 | A kind of control system of fuel cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713336A (en) * | 2019-02-18 | 2019-05-03 | 无锡威孚高科技集团股份有限公司 | A kind of control system of fuel cell |
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