CN113036180B - Fuel cell air subsystem test system - Google Patents
Fuel cell air subsystem test system Download PDFInfo
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- CN113036180B CN113036180B CN202110254379.9A CN202110254379A CN113036180B CN 113036180 B CN113036180 B CN 113036180B CN 202110254379 A CN202110254379 A CN 202110254379A CN 113036180 B CN113036180 B CN 113036180B
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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
- H01M8/04104—Regulation of differential pressures
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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
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04126—Humidifying
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04305—Modeling, demonstration models of fuel cells, e.g. for training purposes
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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
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Abstract
The invention relates to the field of fuel cells, and discloses a fuel cell air subsystem test system, which comprises: an air supply module, an air compressor; an outlet of the first water supply module is connected with an inlet of a first water flow channel in the air compressor, and an inlet of the first water supply module is connected with an outlet of the first water flow channel; an intercooler; an outlet of the second water supply module is connected with an inlet of a second water flow channel in the intercooler, and an inlet of the second water supply module is connected with an outlet of the second water flow channel; a dry gas inlet of the air humidifier is connected with an outlet of the second air flow channel; the saturated moisture outlet of the pile simulator is connected with the moisture inlet of the air humidifier; the humidified air inlet of the pile simulator is connected with the humidified air outlet of the air humidifier through a pipeline, and the pipeline is provided with a humidified air outlet pressure sensor, a humidified air outlet temperature sensor and a humidified air outlet humidity sensor. The system is used for completely simulating the actual operation process of the fuel cell air subsystem.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to a fuel cell air subsystem test system.
Background
The existing test bench for only parts related to the test of the fuel cell air subsystem, such as an air compressor test bench, a humidifier test bench and the like, can only independently test the performance of a certain part, and when all parts are integrated into a system, the effect has deviation.
When the performance of the main components of the fuel cell air subsystem is tested independently, whether the components meet the actual requirements after being integrated into the fuel cell air subsystem or not can not be reflected truly, and the reaction process of the fuel cell air subsystem can not be simulated completely.
Disclosure of Invention
The invention discloses a fuel cell air subsystem test system which is used for completely simulating the actual operation process of a fuel cell air subsystem.
In order to achieve the purpose, the invention provides the following technical scheme:
a fuel cell air subsystem test system comprising:
an air supply module for supplying air;
the air compressor is provided with a first air flow channel and a first water flow channel; the inlet of the first air flow channel is connected with the air supply module through a pipeline;
the outlet of the first water supply module is connected with the inlet of the first water flow channel through a pipeline, and the inlet of the first water supply module is connected with the outlet of the first water flow channel through a pipeline;
the intercooler is provided with a second air flow channel and a second water flow channel, and the inlet of the second air flow channel is connected with the outlet of the first air flow channel through a pipeline;
an outlet of the second water supply module is connected with an inlet of the second water flow channel through a pipeline, and an inlet of the second water supply module is connected with an outlet of the second water flow channel through a pipeline;
the air humidifier is provided with a dry air inlet, a wet air inlet and a humidified air outlet, and the dry air inlet is connected with the outlet of the second air flow channel through a pipeline;
the electric pile simulator is used for storing deionized water and simulating an electric pile under a working condition to be tested; the electric pile simulator is provided with a saturated moisture outlet and a humidified air inlet, the saturated moisture outlet is connected with the moisture inlet through a pipeline, and the humidified air inlet is connected with the humidified air outlet through a pipeline;
the air supply module is provided with a first air channel, the first air channel is provided with a first air inlet, the second air channel is provided with a second air outlet, the first air channel is provided with a second air inlet, the second air channel is provided with a second air channel, the second air channel is provided with a third air channel, the third air channel is provided with a fourth air channel, the fourth air channel, and the fourth air channel is provided with a fourth air channel, and a fourth air channel, and a channel is provided with a channel, and a channel, wherein the fourth air channel, and a channel between the fourth air channel is provided with a channel, and a channel between the fourth air channel, and a channel between the fourth air channel, and a channel between the fourth air channel, and a channel between the fourth air channel, and a channel between the fourth air channel, and a channel between the fourth air channel, and a channel between the fourth air channel, and a channel.
In the fuel cell air subsystem test system, the air compressor can suck out and pressurize air in the air supply module to complete pressure adjustment of the air, and the air passing through the first air flow channel and the water passing through the first water flow channel exchange heat to realize pressurization and heat exchange of the air. The intercooler can carry out the heat transfer with the air through the second air runner and the water through the second water runner, makes the medium temperature in second air runner and the second water runner neutralize each other, accomplishes the temperature regulation of air, realizes the heat transfer. The air humidifier is mainly used for humidifying dry air entering from the dry air inlet so as to finish humidity adjustment before the air enters the pile simulator. In the test system of the fuel cell air subsystem, the simulation of the pressure regulation function, the heat exchange function and the humidification function can be realized through the cooperation of the air compressor, the intercooler, the air humidifier and the like, the air flow, air temperature and air pressure data in the testing device are recorded through the air flow meter, the temperature sensor and the pressure sensor, and the pressure, temperature and humidity data of the humidified air in the testing device are recorded by a humidified air outlet pressure sensor, a humidified air outlet temperature sensor and a humidified air outlet humidity sensor which are arranged on an inlet pipeline of the pile simulator, thereby realizing the simulation analysis of the pressurization function and the heat exchange function in the fuel cell air subsystem, therefore, the actual operation process of the fuel cell air subsystem is completely simulated, and the efficiency and the reliability of the function analysis of the fuel cell air subsystem are improved.
Optionally, the air supply module comprises an air filter, an inlet of the air filter is connected with the external environment, and an outlet of the air filter is connected with the inlet of the first air flow passage through a pipeline.
Optionally, an air compressor inlet throttle valve is arranged on a pipeline between the air supply module and the inlet of the first air flow channel, and the air compressor inlet throttle valve is located between the air flow meter and the inlet of the first air flow channel;
the fuel cell air subsystem test system further comprises a controller and a power supply module, wherein the air compressor inlet throttle valve, the air compressor, the first water supply module and the second water supply module are all connected with the power supply module through the controller, or the power supply module is directly connected with the air compressor inlet throttle valve, the air compressor, the first water supply module and the second water supply module respectively;
the controller is used for sending an instruction to the air compressor inlet throttle valve to control the opening of the air compressor inlet throttle valve, sending an instruction to the air compressor to control the rotating speed of the air compressor, sending an instruction to the first water supply module to control the temperature of the air compressor, and sending an instruction to the second water supply module to control the temperature of the intercooler.
Optionally, an air compressor inlet pressure sensor is arranged on a pipeline between the air compressor inlet throttle valve and the inlet of the first air flow channel;
and an air compressor outlet pressure sensor is arranged on a pipeline between the outlet of the first air flow channel and the inlet of the second air flow channel.
Optionally, the first water supply module includes a water tank, a first heat dissipation circulation pump and a first heat sink, the first heat dissipation circulation pump is connected between an outlet of the water tank and an inlet of the first heat sink through a pipeline, an outlet of the first heat sink is connected with an inlet of the first water flow channel through a pipeline, and an inlet of the water tank is connected with an outlet of the first water flow channel through a pipeline;
a flow regulating electromagnetic valve and a liquid flowmeter are arranged on a pipeline between the outlet of the water tank and the first heat dissipation circulating pump;
the first heat dissipation circulating pump and the flow regulating electromagnetic valve are both connected with the power supply module through the controller, or the power supply module is directly connected with the first heat dissipation circulating pump and the flow regulating electromagnetic valve respectively;
the controller is also used for sending a rotating speed instruction to the first heat dissipation circulating pump so as to control the rotating speed of the first heat dissipation circulating pump and sending an adjusting instruction to the flow adjusting electromagnetic valve.
Optionally, the stack simulator further has a first water outlet and a water inlet;
the second water supply module comprises a second heat dissipation circulating pump and a second radiator, the second heat dissipation circulating pump is connected between a water outlet of the pile simulator and an inlet of the second radiator through a pipeline, and an outlet of the second radiator is connected with an inlet of the second water flow channel through a pipeline;
a first switch valve used for controlling the on-off of a pipeline is arranged on the pipeline between the first water outlet and the second heat dissipation circulating pump, a water replenishing and draining pipeline is connected to the pipeline between the first switch valve and the second heat dissipation circulating pump, and a water replenishing and draining valve used for controlling the on-off of the water replenishing and draining pipeline is arranged on the water replenishing and draining pipeline;
an outlet of the second water flow channel is connected with the water inlet through a pipeline, and a second switch valve used for controlling the on-off of the pipeline is arranged on the pipeline between the outlet of the second water flow channel and the water inlet;
the second heat dissipation circulating pump is connected with the power supply module through the controller, or the second heat dissipation circulating pump is directly connected with the power supply module;
the controller is also used for sending a rotating speed instruction to the second heat dissipation circulating pump so as to control the rotating speed of the second heat dissipation circulating pump.
Optionally, an intercooler front-end temperature sensor is arranged on a pipeline between an inlet of the second air flow channel and an outlet of the first air flow channel, and the intercooler front-end temperature sensor is located between the air compressor outlet pressure sensor and the inlet of the second air flow channel;
and an intercooler rear end pressure sensor and an intercooler rear end temperature sensor are arranged on a pipeline between the outlet of the second air flow channel and the dry gas inlet.
Optionally, the intercooler rear end pressure sensor is located between the outlet of the second air flow passage and the intercooler rear end temperature sensor; a pipeline between the rear end temperature sensor of the intercooler and the dry gas inlet forms a main pipeline, and a main pipeline air flow meter and a main pipeline switch valve for controlling the on-off of the main pipeline are arranged on the main pipeline;
the rear end temperature sensor of the intercooler is connected with the humidified air outlet through a bypass pipeline, and a bypass air flow meter, a bypass backpressure throttle valve and a bypass switch valve for controlling the on-off of the bypass pipeline are arranged on the bypass pipeline;
the bypass backpressure throttle valve is connected with the power supply module through the controller, or the bypass backpressure throttle valve is directly connected with the power supply module;
the controller is also used for sending instructions to the bypass back pressure throttle valve to control the opening of the bypass back pressure throttle valve.
Optionally, a humidifier dry air inlet temperature sensor and a humidifier dry air inlet pressure sensor are further arranged on the main pipeline.
Optionally, the air humidifier further comprises a wet air outlet, the wet air outlet is connected with a backpressure pipeline connected with the bypass pipeline, and the backpressure pipeline is provided with a wet air outlet pressure sensor, a wet air outlet backpressure throttle valve, an exhaust port and a third switch valve for controlling on-off of the backpressure pipeline;
a fourth switch valve used for controlling the on-off of the bypass pipeline is further arranged on the bypass pipeline, and the connection position of the back pressure pipeline and the bypass pipeline is located between the bypass back pressure throttle valve and the fourth switch valve;
the wet air outlet backpressure throttle valve is connected with the power supply module through the controller, or the wet air outlet backpressure throttle valve is directly connected with the power supply module;
the controller is further configured to send a command to the humid air outlet back pressure throttle valve to control an opening of the humid air outlet back pressure throttle valve.
Optionally, a heater for heating deionized water in the stack simulator, a stack pressure sensor for detecting internal pressure of the stack simulator, and a water temperature sensor for detecting deionized water in the stack simulator are arranged in the stack simulator;
the heater is connected with the power supply module through the controller, or the heater is directly connected with the power supply module;
the controller is also used for sending instructions to the heater to control the working state of the heater.
Optionally, the pile simulator further comprises a second water outlet and a plurality of water inlets, the second water outlet is connected with a vortex pump, an outlet of the vortex pump is connected with the plurality of water inlets through a pipeline, nozzles corresponding to the water inlets in one-to-one correspondence are arranged in the pile simulator, and a nozzle valve for controlling the on-off of the water inlets is arranged on each water inlet;
each nozzle valve is connected with the power supply module through the controller, or each nozzle valve is directly connected with the power supply module; the controller is further used for sending instructions to the nozzle valve to control the opening degree of the nozzle valve;
wherein the nozzle is used for atomizing water entering from the water inlet.
Optionally, the stack simulator further comprises a pressure relief port communicated with the inside, and a pressure relief valve is arranged at the pressure relief port.
Optionally, a wet air inlet humidity sensor, a wet air inlet temperature sensor, a wet air inlet pressure sensor and a moisture regulating valve for controlling the amount of wet air in the pipeline are arranged on the pipeline between the saturated wet air outlet and the wet air inlet.
Optionally, a humidified air adjusting valve for controlling the flow rate of humidified air in the pipe is further provided on the pipe between the humidified air inlet and the humidified air outlet.
Drawings
Fig. 1 is a flow chart of a fuel cell air subsystem test system according to an embodiment of the present invention.
Icon: 1-an air filter; 2-an air flow meter; 3-air compressor inlet throttle; 4-air compressor inlet pressure sensor; 5, an air compressor; 6-air compressor controller; 7-air compressor outlet pressure sensor; 8-a front end temperature sensor of the intercooler; 9-an intercooler; 10-an intercooler rear end pressure sensor; 11-a rear end temperature sensor of the intercooler; 12-a bypass switch valve; 13-bypass air flow meter; 14-bypass back pressure throttle; 15-main way switching valve; 16-main path air flow meter; 17-humidifier dry air inlet temperature sensor; 18-humidifier dry air inlet pressure sensor; 19-an air humidifier; 20-a fourth switch valve; 21-a humidified air outlet pressure sensor; 22-a humidified air outlet temperature sensor; 23-a humidified air outlet humidity sensor; 24-a humidified air regulating valve; 25-a stack simulator; 26-moisture regulating valve; 27-a humid air inlet humidity sensor; 28-humid air inlet temperature sensor; 29-humid air inlet pressure sensor; 30-a humid air outlet pressure sensor; 31-humid air outlet back pressure throttle; 32-a third on/off valve; 33-silencer, nozzle valve number 34-1; nozzle valve number 35-2; 36-a pressure relief valve; nozzle valve number 37-3; nozzle valve number 38-4; 39-a nozzle; 40-stack pressure sensor; 41-deionized water; 42-water temperature sensor; 43-a filter; 44-a vortex pump; 45-a heater; 46-water replenishing and draining valve; 47-a first on-off valve; 48-a second on-off valve; 49-second heat dissipation circulation pump; 50-a second heat sink; 51-a water tank; 52-flow regulating solenoid valve; 53-air compressor controller outlet temperature sensor; 54-turbine flow meter; 55-air compressor controller outlet pressure sensor; 56-first heat rejection circulation pump; 57-a first heat sink; 58-air compressor cooling circuit inlet temperature sensor; 59-air compressor cooling circuit inlet pressure sensor; 60-a controller; 61-power supply module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a fuel cell air subsystem test system, including:
an air supply module for supplying air;
an air compressor 5 having a first air flow passage and a first water flow passage; the inlet of the first air flow channel is connected with the air supply module through a pipeline;
the outlet of the first water supply module is connected with the inlet of the first water flow channel through a pipeline, and the inlet of the first water supply module is connected with the outlet of the first water flow channel through a pipeline;
an intercooler 9 having a second air flow passage and a second water flow passage, an inlet of the second air flow passage being connected to an outlet of the first air flow passage through a pipe;
an outlet of the second water supply module is connected with an inlet of the second water flow channel through a pipeline, and an inlet of the second water supply module is connected with an outlet of the second water flow channel through a pipeline;
an air humidifier 19 having a dry air inlet, a wet air inlet and a humidified air outlet, the dry air inlet being connected to the outlet of the second air flow passage through a pipe;
the galvanic pile simulator 25 is used for storing the deionized water 41 and simulating the galvanic pile under the working condition to be tested; the electric pile simulator 25 is provided with a saturated moisture outlet and a humidified air inlet, the saturated moisture outlet is connected with the moisture inlet through a pipeline, and the humidified air inlet is connected with the humidified air outlet through a pipeline;
wherein, the air flow path and the water flow path are both provided with at least one temperature sensor and at least one pressure sensor, an air flow meter 2 is arranged between the air supply module and the inlet of the first air flow channel, and a humidified air outlet pressure sensor 21, a humidified air outlet temperature sensor 22 and a humidified air outlet humidity sensor 23 are arranged on a pipeline between the humidified air inlet and the humidified air outlet.
In the fuel cell air subsystem test system, the air compressor mainly has the function of providing sufficient oxygen for the cathode of the fuel cell stack to perform chemical reaction with the hydrogen at the anode, and is a main part of the fuel cell air subsystem; the intercooler has the main function that the temperature of air rapidly rises after passing through the air compressor, and the requirement of the air inlet temperature of the fuel cell stack is met through the temperature adjusting function of the intercooler; the air humidifier is mainly used for humidifying the air supplied to the cathode of the fuel cell stack.
In this scheme, air compressor machine 5 can accomplish the pressure adjustment of air with the air suction and the pressure boost in the air supply module to carry out the heat transfer with the air through first air runner and the water through first water runner, realize the pressure boost and the heat transfer of air. The intercooler 9 can exchange heat between the air passing through the second air flow passage and the water passing through the second water flow passage, so that the temperatures of the media in the second air flow passage and the second water flow passage are neutralized, the temperature adjustment of the air is completed, and the heat exchange is realized. The air humidifier 19 is used to humidify the dry air entering from the dry air inlet, and to perform humidity adjustment before the air enters the stack simulator. In the fuel cell air subsystem test system, the simulation of the pressure regulation function, the heat exchange function and the humidification function can be realized through the cooperation of the air compressor 5, the intercooler 9, the air humidifier 19 and the like, the air flow, air temperature and air pressure data in the testing device are recorded through the air flow meter 2, the temperature sensor and the pressure sensor, and records the pressure, temperature and humidity data of the humidified air in the test device through the humidified air outlet pressure sensor 21, the humidified air outlet temperature sensor 22 and the humidified air outlet humidity sensor 23 provided on the inlet line of the stack simulator 25, thereby realizing the simulation analysis of the pressurization function and the heat exchange function in the fuel cell air subsystem, and the actual operation process of the fuel cell air subsystem is completely simulated, and the efficiency and the reliability of the function analysis of the fuel cell air subsystem are improved.
Optionally, the air supply module comprises an air filter 1, an inlet of the air filter 1 is connected to the external environment, and an outlet of the air filter 1 is connected to an inlet of the first air flow passage by a pipe.
In this scheme, air filter 1's effect is mainly filtered the air that air compressor machine 5 inhaled, gets rid of impurity, makes the air quality who gets into the galvanic pile reach the requirement of fuel cell system reaction.
Optionally, an air compressor inlet throttle valve 3 is arranged on a pipeline between the air supply module and the inlet of the first air flow channel, and the air compressor inlet throttle valve 3 is located between the air flow meter and the inlet of the first air flow channel;
the fuel cell air subsystem test system further comprises a controller 60 and a power supply module 61, wherein the air compressor inlet throttle valve 3, the air compressor 5, the first water supply module and the second water supply module are all connected with the power supply module 61 through the controller 60, or the power supply module 61 is directly connected with the air compressor inlet throttle valve 3, the air compressor 5, the first water supply module and the second water supply module respectively;
the controller 60 is configured to send an instruction to the air compressor inlet throttle 3 to control the opening degree of the air compressor inlet throttle 3, send an instruction to the air compressor 5 to control the rotation speed of the air compressor 5, send an instruction to the first water supply module to control the temperature of the air compressor 5, and send an instruction to the second water supply module to control the temperature of the intercooler 9.
In the scheme, the air compressor inlet throttle 3 is mainly used for adjusting the air pressure and flow at the inlet of the air compressor 5 so as to meet the requirement of an air subsystem of the fuel cell system; when the air compressor inlet throttle 3 receives an opening instruction, filtered air can be conveyed to the inlet of a first air flow channel in the air compressor 5 through the air compressor inlet throttle 3; the pressure regulation of the air is further adjusted by adjusting the rotating speed instruction received by the air compressor 5; the temperature of the water supplied by the first water supply module can be adjusted by adjusting the instruction received by the first water supply module; the temperature of the water supplied by the second water supply module can be adjusted by adjusting the instruction received by the second water supply module. Wherein, the power supply module 61 supplies power for the whole system.
Optionally, an air compressor inlet pressure sensor 4 is arranged on a pipeline between the air compressor inlet throttle 3 and the inlet of the first air flow channel; an air compressor outlet pressure sensor 7 is arranged on a pipeline between the outlet of the first air flow channel and the inlet of the second air flow channel.
In this embodiment, the controller 60 collects values corresponding to the air flow meter 2 at the inlet of the air compressor, the inlet pressure sensor 4 of the air compressor, and the outlet pressure sensor 7 of the air compressor, so as to send corresponding control instructions to the air compressor 5 and the inlet throttle 3 of the air compressor.
Optionally, the first water supply module includes a water tank 51, a first heat dissipation circulation pump 56 and a first radiator 57, the first heat dissipation circulation pump 56 is connected between an outlet of the water tank 51 and an inlet of the first radiator 57 through a pipeline, an outlet of the first radiator 57 is connected with an inlet of the first water flow passage through a pipeline, and an inlet of the water tank 51 is connected with an outlet of the first water flow passage through a pipeline;
a flow regulating electromagnetic valve 52 and a liquid flowmeter are arranged on a pipeline between the outlet of the water tank 51 and the first heat dissipation circulating pump 56;
the first heat dissipation circulating pump 56 and the flow regulating solenoid valve 52 are both connected with the power supply module 61 through the controller 60, or the power supply module 61 is directly connected with the first heat dissipation circulating pump 56 and the flow regulating solenoid valve 52 respectively;
the controller 60 is also configured to send a rotational speed command to the first heat-dissipation circulation pump 56 to control the rotational speed of the first heat-dissipation circulation pump 56, and to send an adjustment command to the flow rate adjustment solenoid valve 52.
In this embodiment, the liquid flow meter may be a turbine flow meter 54. The air compressor 5 is also provided with an air compressor controller 6 connected thereto. The water outlet of a water tank 51 of the air compressor cooling path is connected with the inlet of a flow regulating electromagnetic valve 52, the outlet of the flow regulating electromagnetic valve 52 is connected to the inlet of a first heat dissipation circulating pump 56, the outlet of the first heat dissipation circulating pump 56 is connected to the inlet of a first radiator 57, the outlet of the first radiator 57 is connected to the inlet of the air compressor cooling path, the outlet of the air compressor cooling path is connected to the inlet of a cooling path of an air compressor controller 6, and the outlet of the cooling path of the air compressor controller 6 is connected to a water return port of the water tank 51; a turbine flowmeter 54 is arranged between the outlet of the flow regulating electromagnetic valve 52 and the inlet of the first heat dissipation circulating pump 56, an air compressor cooling path inlet temperature sensor 58 and an air compressor cooling path inlet pressure sensor 59 are arranged between the outlet of the first radiator 57 and the air compressor cooling path inlet, and an air compressor controller outlet temperature sensor 53 and an air compressor controller outlet pressure sensor 55 are arranged between the cooling path outlet of the air compressor controller 6 and the water return port of the water tank 51; the water tank 51 mainly functions to store the cooling liquid; the flow regulating solenoid valve 52 is mainly used for regulating the opening according to a command sent by the controller 60 so as to control the flow of the cooling liquid; the first heat dissipation circulation pump 56 mainly functions to pump out the coolant in the water tank 51 and return the coolant to the water tank 51 through the heat dissipation pipeline; the first radiator 57 mainly functions to cool the coolant pumped out by the first heat-dissipation circulation pump 56. The controller 60 collects numerical values corresponding to the air compressor controller outlet temperature sensor 53, the turbine flow meter 54, the air compressor controller outlet pressure sensor 55, the air compressor cooling passage inlet temperature sensor 58, the air compressor cooling passage inlet pressure sensor 59, and the like.
Optionally, the stack simulator 25 further has a first water outlet and a water inlet;
the second water supply module comprises a second heat dissipation circulating pump 49 and a second radiator 50, the second heat dissipation circulating pump 49 is connected between the water outlet of the pile simulator 25 and the inlet of the second radiator 50 through a pipeline, and the outlet of the second radiator 50 is connected with the inlet of the second water flow channel through a pipeline;
a first switch valve 47 for controlling the on-off of the pipeline is arranged on the pipeline between the first water outlet and the second heat dissipation circulating pump 49, a water replenishing and draining pipeline is connected to the pipeline between the first switch valve 47 and the second heat dissipation circulating pump 49, and a water replenishing and draining valve 46 for controlling the on-off of the water replenishing and draining pipeline is arranged on the water replenishing and draining pipeline;
the outlet of the second water flow channel is connected with the water inlet through a pipeline, and a second switch valve 48 for controlling the on-off of the pipeline is arranged on the pipeline between the outlet of the second water flow channel and the water inlet;
the second heat-dissipation circulating pump 49 is connected with the power supply module 61 through the controller 60, or the second heat-dissipation circulating pump 49 is directly connected with the power supply module 61;
the controller 60 is also configured to send a rotational speed command to the second heat-dissipation circulation pump 49 to control the rotational speed of the second heat-dissipation circulation pump 49.
In the scheme, a first switch valve 47 at an outlet at the bottom of the stack simulator 25 is respectively connected with a water replenishing drain valve 46 and an inlet of a second heat dissipation circulating pump 49 through a three-way pipe, an outlet of the second heat dissipation circulating pump 49 is connected with an inlet of a second radiator 50, an outlet of the second radiator 50 is connected with a cooling circuit of the intercooler 9, namely an inlet of a second water flow passage, and an outlet of the cooling circuit of the intercooler 9, namely the second water flow passage, is connected with a third switch valve 32 and then returns to the stack simulator 25; the water replenishing and discharging valve 46 is mainly used for replenishing or discharging deionized water to the cell stack simulator 25; the second heat dissipation circulating pump 49 mainly functions to pump out deionized water in the stack simulator 25 and return the deionized water to the stack simulator 25 through a heat dissipation pipeline; the second radiator 50 mainly cools the deionized water pumped by the second heat-dissipation circulation pump 49.
Optionally, an intercooler front end temperature sensor 8 is arranged on a pipeline between the inlet of the second air flow channel and the outlet of the first air flow channel, and the intercooler front end temperature sensor 8 is located between the air compressor outlet pressure sensor 7 and the inlet of the second air flow channel;
and an intercooler rear end pressure sensor 10 and an intercooler rear end temperature sensor 11 are arranged on a pipeline between the outlet of the second air flow channel and the dry gas inlet.
In this scheme, controller 60 still is used for gathering the numerical value that intercooler front end temperature sensor 8, intercooler rear end pressure sensor 10, intercooler rear end temperature sensor 11 etc. correspond. The temperature of the intercooler 9 is controlled by adjusting the second heat dissipation circulation pump 49 and the second radiator 50.
Optionally, an intercooler rear end pressure sensor 10 is located between the outlet of the second air flow passage and an intercooler rear end temperature sensor 11; a main pipeline is formed by a pipeline between the temperature sensor 11 at the rear end of the intercooler and the dry gas inlet, and a main pipeline air flow meter 16 and a main pipeline switch valve 15 for controlling the on-off of the main pipeline are arranged on the main pipeline;
the rear end temperature sensor 11 of the intercooler is connected with the humidified air outlet through a bypass pipeline, and the bypass pipeline is provided with a bypass air flow meter 13, a bypass backpressure throttle valve 14 and a bypass switch valve 12 for controlling the on-off of the bypass pipeline;
the bypass back pressure throttle valve 14 is connected with the power supply module 61 through the controller 60, or the bypass back pressure throttle valve 14 is directly connected with the power supply module 61;
the controller 60 is also configured to send a command to the bypass back-pressure throttle valve 14 to control the opening degree of the bypass back-pressure throttle valve 14.
In this embodiment, the function of the bypass back pressure throttle 14 is mainly to adjust the pressure and flow rate of the dry air by a pressure adjusting command sent by the controller 60.
Optionally, a humidifier dry air inlet temperature sensor 17 and a humidifier dry air inlet pressure sensor 18 are also provided on the main pipeline.
Optionally, the air humidifier 19 further has a wet air outlet, the wet air outlet is connected to a backpressure pipeline connected to the bypass pipeline, and the backpressure pipeline is provided with a wet air outlet pressure sensor 30, a wet air outlet backpressure throttle valve 31, an exhaust port, and a third on-off valve 32 for controlling on-off of the backpressure pipeline;
a fourth switch valve 20 for controlling the on-off of the bypass pipeline is further arranged on the bypass pipeline, and the connection position of the back pressure pipeline and the bypass pipeline is located between the bypass back pressure throttle valve 14 and the fourth switch valve 20;
the wet air outlet backpressure throttle valve 31 is connected with the power supply module 61 through the controller 60, or the wet air outlet backpressure throttle valve 31 is directly connected with the power supply module 61;
the controller 60 is also configured to send a command to the humid air outlet back pressure throttle valve 31 to control the opening degree of the humid air outlet back pressure throttle valve 31.
In the present embodiment, the function of the wet air outlet back pressure throttle valve 31 is mainly to complete the function of adjusting the pressure and flow rate of the wet air outlet of the air humidifier through the pressure adjusting command sent by the controller 60.
Optionally, a heater 45 for heating deionized water 41 in the stack simulator 25, a stack pressure sensor 40 for detecting the internal pressure of the stack simulator 25, and a water temperature sensor 42 for detecting deionized water in the stack simulator 25 are arranged in the stack simulator 25;
the heater 45 is connected with the power supply module 61 through the controller 60, or the heater 45 is directly connected with the power supply module 61;
the controller 60 is also used to send commands to the heater 45 to control the operating state of the heater 45.
In the scheme, a pile pressure sensor 40 is arranged above the liquid level on the side surface of the pile simulator 25 body, a water temperature sensor 42 is arranged below the liquid level, and a heater 45 is also arranged at the bottom of the pile simulator 25; the heater 45 mainly heats the deionized water 41 in the stack simulator 25, and is matched with a heat dissipation pipeline to keep the temperature of the deionized water 41 constant to a specified temperature. The controller 60 is also used for collecting the values of the stack pressure sensor 40 and the water temperature sensor 42, and heating the medium in the stack simulator 25 by controlling the heater 45.
Optionally, the stack simulator 25 further has a second water outlet and a plurality of water inlets, the second water outlet is connected with a vortex pump 44, an outlet of the vortex pump 44 is connected with the plurality of water inlets through a pipeline, nozzles 39 corresponding to the water inlets in one-to-one correspondence are arranged inside the stack simulator 25, and each water inlet is provided with a nozzle valve for controlling the on-off of the water inlet;
each nozzle valve is connected with the power supply module 61 through the controller 60, or each nozzle valve is directly connected with the power supply module 61; the controller 60 is also used to send instructions to the nozzle valves to control the opening of the nozzle valves;
wherein the nozzle 39 is used to atomize the water entering from the water inlet.
Optionally, the stack simulator 25 further has a pressure relief port communicating with the inside, and a pressure relief valve 36 is provided at the pressure relief port.
Referring to fig. 1, a side water path outlet of the stack simulator 25 is connected to an inlet of a vortex pump 44, an outlet of the vortex pump 44 is connected to inlets of a nozzle valve No. 1 34, a nozzle valve No. 2 35, a nozzle valve No. 3 37, and a nozzle valve No. 4 38 through a filter 43, and outlets of the nozzle valve No. 1 34, the nozzle valve No. 2 35, the nozzle valve No. 3, and the nozzle valve No. 4 are connected to respective nozzles 39 through the top of the stack simulator 25; the top exhaust port of the pile simulator 25 is connected with the inlet of a pressure release valve 36, and the outlet of the pressure release valve 36 is directly emptied; the relief valve 36 mainly functions to prevent overpressure inside the stack simulator 25 and automatically evacuate gas exceeding its limit pressure; the nozzle 39 is mainly used to spray high-pressure deionized water through the fine holes of the outlet thereof and atomize the deionized water, and the atomized deionized water contacts with the humidified air entering the stack simulator 25 to form mixed wet air. The vortex pump 44 is mainly used for pumping out the deionized water 41 stored in the stack simulator 25, pressurizing the deionized water to a specified pressure, discharging the deionized water to the corresponding nozzles 39 of the nozzle valves through the nozzle valve No. 1 34, the nozzle valve No. 2 35, the nozzle valve No. 3 37 and the nozzle valve No. 4 respectively, and spraying the deionized water back to the stack simulator 25.
Optionally, a wet air inlet humidity sensor 27, a wet air inlet temperature sensor 28, a wet air inlet pressure sensor 29, and a moisture regulating valve 26 for controlling the amount of wet air in the pipeline are provided on the pipeline between the saturated wet air outlet and the wet air inlet.
Optionally, a humidified-air regulating valve 24 for controlling the flow rate of humidified air in the conduit is further provided in the conduit between the inlet of humidified air and the outlet of humidified air.
The fuel cell air subsystem test system provided by the embodiment of the invention is explained in detail in the following with specific test modes.
In a first mode
Referring to the test system of the fuel cell air subsystem shown in fig. 1, the power supply module 61 is turned on to supply power to the controller 60, the air compressor inlet throttle valve 3, the air compressor 5, the air compressor controller 6, the bypass back pressure throttle valve 14, the wet air outlet back pressure electromagnetic valve 31, the nozzle valve No. 1 34, the nozzle valve No. 2, the nozzle valve No. 3, the nozzle valve No. 4, the vortex pump 44, the heater 45, the second heat dissipation circulation pump 49, the second heat sink 50, the flow rate regulation electromagnetic valve 52, the first heat dissipation circulation pump 56 and the first heat sink 57;
TABLE 1 operating conditions one
According to the requirements of each operating point in the operating conditions shown in table 1, the water temperature fed back by the water temperature sensor 42 is controlled to the water temperature value corresponding to each operating point by opening the first switch valve 47, the heater 45, the second switch valve 48, the second heat dissipation circulation pump 49 and the second radiator 50, and adjusting the heating power of the heater 45 and the rotation speed of the first radiator 50 by the controller 60. Meanwhile, the controller 60 gives an instruction to start the first heat dissipation circulating pump 56 and the first radiator 57, the opening degree of the flow regulating electromagnetic valve 52 is regulated according to the change of the water temperature, and the temperature of the air compressor 5 and the air compressor controller 6 is controlled according to the flow value fed back by the turbine flowmeter 54; controlling the temperature values fed back by the air compressor controller outlet temperature sensor 53 and the air compressor cooling path inlet temperature sensor 58 within a proper working range;
confirming that a main-path switch valve 15, a humidifying air regulating valve 24 and a moisture regulating valve 26 are fully opened, a bypass switch valve 12, a fourth switch valve 20 and a third switch valve 32 are fully closed, opening an air compressor inlet throttle valve 3 and a wet air outlet backpressure throttle valve 31 through a controller 60, then sending instructions to an air compressor controller 6 through the controller 60 according to the requirements of the working points of the table 1 to regulate the rotating speed of the air compressor 5, regulating the opening degrees of the wet air outlet backpressure throttle valve 31 and the humidifying air regulating valve 24, and matching the values fed back by an air flow meter 2 at the air compressor inlet, a humidified air outlet pressure sensor 21 and a wet air inlet pressure sensor 29 with the flow and pressure values corresponding to the working points of the table 1; the controller 60 adjusts the nozzle valve No. 1 34, the nozzle valve No. 2 35, the nozzle valve No. 3 37 and the nozzle valve No. 4 38 to match the number of nozzles required to be opened at each working point, and heats and humidifies the humidified air flowing through the pile simulator 25 to ensure that the value fed back by the humidity sensor 27 at the wet air inlet is saturated wet air, so as to match the humidity value fed back by the humidity sensor 23 at the humidified air outlet, namely the air inlet humidity of the meter 1;
if the humidity value fed back by the humidity sensor 23 at the outlet of the humidified air has deviation from the humidity value at the air inlet in table 1, when the humidity value is lower, the controller 60 can adjust the nozzle valve No. 1 34, the nozzle valve No. 2 35, the nozzle valve No. 3 37 and the nozzle valve No. 4 38, and the number of nozzles can be reduced according to the requirements of each working point; when the temperature is higher, the bypass switch valve 12 and the fourth switch valve 20 can be selectively opened, and the controller 60 sends a command to the bypass back pressure throttle valve 14 to adjust the opening degree, so that a part of dry air passing through the air flow meter 2 is branched and then is mixed with humid air at the humidified air outlet of the air humidifier 19 through a bypass, and the humidity value fed back by the humidified air outlet humidity sensor 23 is reduced, at this time, the air flow is equal to the sum of the indication of the air flow meter 13 and the indication of the air flow meter 16, so that the air flow and the pressure simulating the air flow entering the stack simulator 25 are basically kept unchanged, the operation process of the fuel cell stack air subsystem can be fully simulated, and the structural design of the fuel cell stack air subsystem can be further verified and improved.
Mode two
TABLE 2 operating conditions II
Referring to the test system of the fuel cell air subsystem shown in fig. 1, the power supply module 61 is turned on to supply power to the controller 60, the air compressor inlet throttle 3, the air compressor 5, the air compressor controller 6, the bypass back pressure throttle 14, the wet air outlet back pressure throttle 31, the nozzle valve No. 1 34, the nozzle valve No. 2 35, the nozzle valve No. 3 37, the nozzle valve No. 4 38, the vortex pump 44, the heater 45, the second heat dissipation circulation pump 49, the second radiator 50, the flow rate regulation electromagnetic valve 52, the first heat dissipation circulation pump 56 and the first radiator 57;
further, according to the requirements of each operating point in the operating conditions shown in table 2, the water temperature fed back by the water temperature sensor 42 is controlled to the water temperature value corresponding to each operating point by turning on the heater 45, the first on-off valve 47, the second on-off valve 48, the second heat-dissipation circulation pump 49, and the second radiator 50, and adjusting the heating power of the heater 45 and the rotation speed of the second radiator 50 by the controller 60. Meanwhile, the controller 60 sends an instruction to start the first heat dissipation circulating pump 56 and the first radiator 57, the opening degree of the flow regulating electromagnetic valve 52 is regulated according to the change of the water temperature, the temperature of the air compressor 5 and the air compressor controller 6 is controlled according to the flow value fed back by the turbine flowmeter 54, and the temperature values fed back by the air compressor controller outlet temperature sensor 53 and the air compressor cooling path inlet temperature sensor 58 are controlled in a proper working range;
further, confirming that the main-way switching valve 15, the humidifying air regulating valve 24 and the moisture regulating valve 26 are fully opened, the bypass switching valve 12, the fourth switching valve 20 and the third switching valve 32 are fully closed, giving an instruction to open the air compressor inlet throttle valve 3 and the wet air outlet backpressure throttle valve 31 through the controller 60, giving an instruction to the air compressor controller 6 through the controller 60 to regulate the rotating speed of the air compressor 5 according to the requirements of the working condition points of the table 2, and simultaneously regulating the opening degrees of the wet air outlet backpressure throttle valve 31 and the humidifying air regulating valve 24, so that the values fed back by the air flow meter 2 at the air compressor inlet, the humidified air outlet pressure sensor 21 and the wet air inlet pressure sensor 29 are matched with the flow and pressure values corresponding to the working condition points of the table 2; the controller 60 adjusts the nozzle valve No. 1 34, the nozzle valve No. 2 35, the nozzle valve No. 3 37 and the nozzle valve No. 4 38 to match the number of nozzles required to be opened at each working point, heats and humidifies the humidified air flowing through the pile simulator 25 to ensure that the value fed back by the wet air inlet humidity sensor 27 is saturated wet air, and records the values fed back by the humidifier dry air inlet temperature sensor 17, the humidifier dry air inlet pressure sensor 18, the humidified air outlet pressure sensor 21, the humidified air outlet temperature sensor 22, the humidified air outlet humidity sensor 23, the wet air inlet humidity sensor 27, the wet air inlet temperature sensor 28, the wet air inlet pressure sensor 29 and the wet air outlet pressure sensor 30 at each working point, so as to verify the performance of the humidifier.
Mode III
Referring to the test system of the fuel cell air subsystem shown in fig. 1, the power supply module 61 is turned on to supply power to the controller 60, the air compressor inlet throttle 3, the air compressor 5, the air compressor controller 6, the bypass back pressure throttle 14, the wet air outlet back pressure throttle 31, the nozzle valve No. 1 34, the nozzle valve No. 2 35, the nozzle valve No. 3 37, the nozzle valve No. 4 38, the vortex pump 44, the heater 45, the second heat dissipation circulation pump 49, the second radiator 50, the flow rate regulation electromagnetic valve 52, the first heat dissipation circulation pump 56 and the first radiator 57;
furthermore, the first switch valve 47, the second switch valve 48, the second heat-dissipation circulation pump 49, and the second radiator 50 are opened, and the rotational speed of the second radiator 50 is adjusted by the controller 60, so that the water temperature fed back by the water temperature sensor 42 is controlled to a lower water temperature value. The controller 60 gives an instruction to start the first heat dissipation circulating pump 56 and the first radiator 57, the opening degree of the flow regulating electromagnetic valve 52 is regulated according to the change of the water temperature, and the temperature of the air compressor 5 and the air compressor controller 6 is controlled according to the flow value fed back by the turbine flowmeter 54; controlling the temperature values fed back by the air compressor controller outlet temperature sensor 53 and the air compressor cooling path inlet temperature sensor 58 within a proper working range;
and further, confirming that the bypass switch valve 12 and the third switch valve 32 are fully opened, fully closing the fourth switch valve 20, the humidifying air regulating valve 24, the moisture regulating valve 26 and the wet air outlet back pressure throttle valve 31, commanding to open the air compressor inlet throttle valve 3 and the bypass back pressure throttle valve 14 through the controller 60, commanding to control the rotating speed of the air compressor 5 through the controller 60, starting from the lowest working rotating speed, regulating every integer to the highest working rotating speed, commanding to adjust the opening of the bypass back pressure throttle valve 14 through the controller 60 at each rotating speed, starting from fully opening, starting from the lowest working pressure to the highest working pressure according to the value fed back by the air compressor outlet pressure sensor 7, selecting at least 6 points for each rotating speed, recording the value of each sensor, and verifying the basic performance of the air compressor 5.
Compared with the prior art, the technical scheme provided by the embodiment of the invention is more perfect, has more comprehensive functions and pertinence, can meet the test requirements of different fuel cell air subsystems, can independently test each main part through the switching strategy of each switching valve, can quickly verify the characteristics of the main parts, and can further improve the structural design of the main parts.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (14)
1. A fuel cell air subsystem test system, comprising:
a controller and a power supply module;
an air supply module for supplying air;
the air compressor is provided with a first air flow channel and a first water flow channel; the inlet of the first air flow channel is connected with the air supply module through a pipeline;
the outlet of the first water supply module is connected with the inlet of the first water flow channel through a pipeline, and the inlet of the first water supply module is connected with the outlet of the first water flow channel through a pipeline;
the intercooler is provided with a second air flow channel and a second water flow channel, and the inlet of the second air flow channel is connected with the outlet of the first air flow channel through a pipeline;
an outlet of the second water supply module is connected with an inlet of the second water flow channel through a pipeline, and an inlet of the second water supply module is connected with an outlet of the second water flow channel through a pipeline;
the air humidifier is provided with a dry air inlet, a wet air inlet and a humidified air outlet, and the dry air inlet is connected with the outlet of the second air flow channel through a pipeline;
the galvanic pile simulator is used for storing deionized water and simulating a galvanic pile under a working condition to be tested; the electric pile simulator is provided with a saturated moisture outlet and a humidified air inlet, the saturated moisture outlet is connected with the moisture inlet through a pipeline, and the humidified air inlet is connected with the humidified air outlet through a pipeline;
the pile simulator is also provided with a second water outlet and a plurality of water inlets, the second water outlet is connected with a vortex pump, the outlet of the vortex pump is connected with the plurality of water inlets through pipelines, nozzles which correspond to the water inlets in a one-to-one mode are arranged in the pile simulator, and each water inlet is provided with a nozzle valve used for controlling the on-off of the water inlet;
each nozzle valve is connected with the power supply module through the controller, or each nozzle valve is directly connected with the power supply module; the controller is further used for sending instructions to the nozzle valve to control the opening degree of the nozzle valve;
the nozzle is used for atomizing water entering from the water inlet;
wherein, the air flow path and the water flow path are both provided with at least one temperature sensor and at least one pressure sensor, an air flow meter is arranged between the air supply module and the inlet of the first air flow channel, and a pipeline between the humidified air inlet and the humidified air outlet is provided with a humidified air outlet pressure sensor, a humidified air outlet temperature sensor and a humidified air outlet humidity sensor;
the rear end of the intercooler is connected with the humidified air outlet through a bypass pipeline, a bypass air flow meter, a bypass backpressure throttle valve and a bypass switch valve for controlling the on-off of the bypass pipeline are arranged on the bypass pipeline, and the bypass backpressure throttle valve is used for adjusting the pressure and the flow of dry air.
2. The fuel cell air subsystem test system of claim 1, wherein the air supply module includes an air filter having an inlet connected to an external environment and an outlet connected by a conduit to the inlet of the first air flow passage.
3. The fuel cell air subsystem test system of claim 1, wherein an air compressor inlet throttle is provided on a conduit between the air supply module and the inlet of the first air flow channel, and the air compressor inlet throttle is located between the air flow meter and the inlet of the first air flow channel;
the air compressor inlet throttle valve, the air compressor, the first water supply module and the second water supply module are all connected with the power supply module through the controller, or the power supply module is directly connected with the air compressor inlet throttle valve, the air compressor, the first water supply module and the second water supply module respectively;
the controller is used for sending an instruction to the air compressor inlet throttle valve to control the opening of the air compressor inlet throttle valve, sending an instruction to the air compressor to control the rotating speed of the air compressor, sending an instruction to the first water supply module to control the temperature of the air compressor, and sending an instruction to the second water supply module to control the temperature of the intercooler.
4. The fuel cell air subsystem test system of claim 3, wherein an air compressor inlet pressure sensor is provided on a conduit between the air compressor inlet throttle and the inlet of the first air flow passage;
and an air compressor outlet pressure sensor is arranged on a pipeline between the outlet of the first air flow channel and the inlet of the second air flow channel.
5. The fuel cell air subsystem test system of claim 3, wherein the first water supply module comprises a water tank, a first heat rejection circulation pump, and a first heat sink, the first heat rejection circulation pump connected between an outlet of the water tank and an inlet of the first heat sink by a pipe, an outlet of the first heat sink connected to an inlet of the first water flow passage by a pipe, an inlet of the water tank connected to an outlet of the first water flow passage by a pipe;
a flow regulating electromagnetic valve and a liquid flowmeter are arranged on a pipeline between the outlet of the water tank and the first heat dissipation circulating pump;
the first heat dissipation circulating pump and the flow regulating electromagnetic valve are both connected with the power supply module through the controller, or the power supply module is directly connected with the first heat dissipation circulating pump and the flow regulating electromagnetic valve respectively;
the controller is also used for sending a rotating speed instruction to the first heat dissipation circulating pump so as to control the rotating speed of the first heat dissipation circulating pump and sending an adjusting instruction to the flow adjusting electromagnetic valve.
6. The fuel cell air subsystem test system of claim 3, wherein said stack simulator further has a first water outlet and a water inlet;
the second water supply module comprises a second heat dissipation circulating pump and a second radiator, the second heat dissipation circulating pump is connected between a water outlet of the pile simulator and an inlet of the second radiator through a pipeline, and an outlet of the second radiator is connected with an inlet of the second water flow channel through a pipeline;
a first switch valve used for controlling the on-off of a pipeline is arranged on the pipeline between the first water outlet and the second heat dissipation circulating pump, a water replenishing and draining pipeline is connected to the pipeline between the first switch valve and the second heat dissipation circulating pump, and a water replenishing and draining valve used for controlling the on-off of the water replenishing and draining pipeline is arranged on the water replenishing and draining pipeline;
an outlet of the second water flow channel is connected with the water inlet through a pipeline, and a second switch valve used for controlling the on-off of the pipeline is arranged on the pipeline between the outlet of the second water flow channel and the water inlet;
the second heat dissipation circulating pump is connected with the power supply module through the controller, or the second heat dissipation circulating pump is directly connected with the power supply module;
the controller is also used for sending a rotating speed instruction to the second heat dissipation circulating pump so as to control the rotating speed of the second heat dissipation circulating pump.
7. The fuel cell air subsystem test system of claim 3, wherein an intercooler front end temperature sensor is provided on a conduit between the inlet of the second air flow channel and the outlet of the first air flow channel, and the intercooler front end temperature sensor is located between the air compressor outlet pressure sensor and the inlet of the second air flow channel;
and an intercooler rear end pressure sensor and an intercooler rear end temperature sensor are arranged on a pipeline between the outlet of the second air flow channel and the dry gas inlet.
8. The fuel cell air subsystem test system of claim 7, wherein the intercooler rear end pressure sensor is located between the outlet of the second air flow passage and the intercooler rear end temperature sensor; a pipeline between the rear end temperature sensor of the intercooler and the dry gas inlet forms a main pipeline, and a main pipeline air flow meter and a main pipeline switch valve for controlling the on-off of the main pipeline are arranged on the main pipeline;
the bypass backpressure throttle valve is connected with the power supply module through the controller, or the bypass backpressure throttle valve is directly connected with the power supply module;
the controller is also used for sending instructions to the bypass back pressure throttle valve to control the opening of the bypass back pressure throttle valve.
9. The fuel cell air subsystem test system of claim 8, further comprising a humidifier dry air inlet temperature sensor and a humidifier dry air inlet pressure sensor on said main conduit.
10. The fuel cell air subsystem test system according to claim 8, wherein the air humidifier further comprises a wet air outlet, the wet air outlet is connected with a backpressure pipeline connected with the bypass pipeline, and a wet air outlet pressure sensor, a wet air outlet backpressure throttle valve, an exhaust port and a third on-off valve for controlling on-off of the backpressure pipeline are arranged on the backpressure pipeline;
a fourth switch valve used for controlling the on-off of the bypass pipeline is further arranged on the bypass pipeline, and the connection position of the back pressure pipeline and the bypass pipeline is located between the bypass back pressure throttle valve and the fourth switch valve;
the wet air outlet backpressure throttle valve is connected with the power supply module through the controller, or the wet air outlet backpressure throttle valve is directly connected with the power supply module;
the controller is further configured to send a command to the humid air outlet back pressure throttle valve to control an opening of the humid air outlet back pressure throttle valve.
11. The fuel cell air subsystem test system according to claim 3, wherein a heater for heating deionized water in the stack simulator, a stack pressure sensor for detecting internal pressure of the stack simulator, and a water temperature sensor for detecting deionized water in the stack simulator are provided in the stack simulator;
the heater is connected with the power supply module through the controller, or the heater is directly connected with the power supply module;
the controller is also used for sending instructions to the heater to control the working state of the heater.
12. The fuel cell air subsystem test system of claim 1, wherein said stack simulator further has a pressure relief port communicating with the interior, said pressure relief port having a pressure relief valve disposed therein.
13. The fuel cell air subsystem test system according to claim 1, wherein a wet air inlet humidity sensor, a wet air inlet temperature sensor, a wet air inlet pressure sensor, and a moisture regulating valve for controlling the amount of moisture flow in the conduit are provided on the conduit between the saturated moisture outlet and the moisture inlet.
14. The fuel cell air subsystem test system of claim 1, wherein a humidified air adjustment valve is further provided in the conduit between the humidified air inlet and the humidified air outlet for controlling the flow of humidified air in the conduit.
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|---|---|---|---|---|
| CN204439800U (en) * | 2015-03-16 | 2015-07-01 | 上海新源动力有限公司 | For the proving installation of air system in hydrogen fuel cell |
| KR20180070393A (en) * | 2016-12-16 | 2018-06-26 | 현대자동차주식회사 | Humidifier integrated stack |
| CN110620248A (en) * | 2019-09-25 | 2019-12-27 | 上海电气集团股份有限公司 | Fuel cell hydrogen test system and test method |
| CN111502972A (en) * | 2020-04-30 | 2020-08-07 | 深圳国氢新能源科技有限公司 | Testing device for fuel cell air system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111029622B (en) * | 2019-12-24 | 2021-03-30 | 中铁轨道交通装备有限公司 | Humidification control method of hydrogen fuel cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204439800U (en) * | 2015-03-16 | 2015-07-01 | 上海新源动力有限公司 | For the proving installation of air system in hydrogen fuel cell |
| KR20180070393A (en) * | 2016-12-16 | 2018-06-26 | 현대자동차주식회사 | Humidifier integrated stack |
| CN110620248A (en) * | 2019-09-25 | 2019-12-27 | 上海电气集团股份有限公司 | Fuel cell hydrogen test system and test method |
| CN111502972A (en) * | 2020-04-30 | 2020-08-07 | 深圳国氢新能源科技有限公司 | Testing device for fuel cell air system |
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