CN211125844U - Simulation device for proton exchange membrane hydrogen fuel cell engine system - Google Patents
Simulation device for proton exchange membrane hydrogen fuel cell engine system Download PDFInfo
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- CN211125844U CN211125844U CN201921676248.4U CN201921676248U CN211125844U CN 211125844 U CN211125844 U CN 211125844U CN 201921676248 U CN201921676248 U CN 201921676248U CN 211125844 U CN211125844 U CN 211125844U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a proton exchange membrane hydrogen fuel cell engine system analogue means includes galvanic pile analog module, thermal management system, air system and hydrogen system and is used for monitoring galvanic pile analog module, thermal management system, air system and hydrogen system's controlling means. And the pile simulation module is provided with a cooling water pipeline, at least two hydrogen pipelines and an air pipeline. This application is through adjusting the gas pressure who gets into in the hydrogen pipeline, and then detects different states in the simulation fuel cell working process through controlling means, and then realizes the system simulation. Because the air is adopted to replace the hydrogen, the condition of gas leakage in the fuel cell in the experimental process is avoided, and the simulation safety of the fuel cell is effectively improved.
Description
Technical Field
The utility model relates to a fuel cell system simulation technology field, in particular to proton exchange membrane hydrogen fuel cell engine system analogue means.
Background
In proton exchange membrane hydrogen fuel cells, proton exchange membranes are polymers with protons as the conductive charges. The proton exchange membrane hydrogen fuel cell is a fuel cell using proton exchange membrane as electrolyte. Fuel cells are electrochemical devices that convert the chemical energy of an externally supplied fuel and oxidant directly into electrical energy (direct current) and generate heat and reaction products. The electric pile is composed of two or more single cells and other necessary structural components, and has a combination body with uniform electric output (the necessary structural components comprise a polar plate, a current rush plate, an end plate, a sealing member and the like).
The proton exchange membrane of the electrolyte membrane hydrogen fuel cell is expensive and easy to be polluted to cause failure, the mechanical strength and the pressure resistance are far weaker than those of the traditional metal parts, and in addition, hydrogen used by a real fuel cell engine is flammable and explosive. If the real hydrogen is adopted for simulation test, cleaning leakage is easy to generate explosion, and the simulation safety of the fuel cell is reduced.
Therefore, how to improve the simulation safety of the fuel cell is a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a proton exchange membrane hydrogen fuel cell engine system analogue means to improve fuel cell simulation security.
In order to achieve the above object, the present invention provides a simulation device for proton exchange membrane hydrogen fuel cell engine system, comprising:
the fuel cell stack simulation system comprises a fuel cell stack simulation module, a fuel cell stack simulation module and a fuel cell stack simulation module, wherein the fuel cell stack simulation module is provided with a cooling water pipeline, at least two hydrogen pipelines and an air pipeline;
the two ends of the heat management system are respectively communicated with the water inlet end and the output end of the cooling water pipeline and are used for conveying cooling liquid to the cooling water pipeline;
the two ends of the air system are respectively connected with the air inlet end and the air outlet end of the air pipeline and are used for inputting air with preset flow and temperature into the air channel;
the hydrogen system comprises a hydrogen inlet assembly connected with the hydrogen pipeline air inlet and a hydrogen outlet assembly connected with the hydrogen pipeline air outlet, and the hydrogen inlet assembly comprises a simulated hydrogen source device for delivering air with preset flow to the hydrogen pipeline;
and the control device is used for monitoring the electric pile simulation module, the thermal management system, the air system and the hydrogen system.
Preferably, the air system comprises an air inlet assembly connected with the air inlet of the air pipeline and an air outlet assembly connected with the air outlet of the air pipeline;
an air system actuator, an air inlet measuring sensor, an air inlet adjusting device, a pressure sensor, an intercooler and a reactor inlet temperature and humidity sensor are sequentially arranged on an air inlet pipeline of the air inlet assembly along the air flow direction;
the air outlet pipeline of the air outlet assembly is sequentially provided with an outlet stack temperature and humidity pressure sensor and an outlet air adjusting device along the air flow direction, and the inlet air measuring sensor, the inlet stack temperature and humidity pressure sensor and the outlet stack temperature and humidity pressure sensor are connected with the control device.
Preferably, the inlet air adjusting device and the outlet air adjusting device both comprise an air compressor and a pressure sensor, and the pressure sensor is connected with the control device;
the air inlet pipeline and the air outlet pipeline share the same air humidity adjusting device;
the air system actuator comprises a heating device for heating the temperature of the intake air and a manual adjusting valve for adjusting the air intake amount.
Preferably, an outlet pressure sensor, a first regulating valve, a second regulating valve, a first pressure sensor, a second pressure sensor, a third regulating valve and a pile inlet pressure sensor are sequentially arranged on an inlet pipeline of the hydrogen inlet assembly along the gas flow direction, and the simulated hydrogen source device is arranged at the inlet end of the outlet pressure sensor;
the hydrogen gas outlet assembly is characterized in that a stack outlet pressure sensor, a pump body and a one-way valve for preventing gas from flowing backwards are sequentially arranged on a gas outlet pipeline of the hydrogen gas outlet assembly along the gas flow direction, and the stack inlet pressure sensor and the stack outlet pressure sensor are connected with the control device.
Preferably, a pipeline between the pump body and the one-way valve is communicated with an air outlet pipeline of the air system through a branch pipe, and a fourth regulating valve is arranged on the branch pipe;
an exhaust pipeline communicated with atmosphere is arranged between the first pressure sensor and the second pressure sensor of the gas inlet pipeline of the hydrogen system, a fifth regulating valve is arranged on the exhaust pipeline, and the first pressure sensor and the second pressure sensor are both connected with the control device.
Preferably, thermal management system include both ends respectively with the circulating water runner that cooling water pipeline both ends are connected, the feed liquor end of circulating water runner with cooling water pipe goes out the liquid end and connects, the play liquid end of circulating water runner with cooling water pipe feed liquor end is connected, the circulating water runner is equipped with first reservation sensor interface, expansion tank, water pump, radiator unit and second in proper order along water flow direction and reserves the sensor interface, radiator unit includes that sensor interface, radiator and fourth are reserved to the third that sets gradually along water flow direction, first reservation sensor interface the second is reserved the sensor interface the third is reserved the sensor interface and the fourth is reserved the sensor interface can pass through pressure or temperature sensor with controlling means connects.
Preferably, thermal management system still include with the parallelly connected heating element who sets up of radiator unit, heating element includes that the sensor interface is reserved to the fifth that sets gradually along water flow direction, heater and sixth reservation sensor interface, the radiator unit feed liquor end with the heating element feed liquor end is connected through the tee bend ball valve, the fifth reservation sensor interface with the sixth reservation sensor interface can pass through pressure or temperature sensor with controlling means connects.
Preferably, the thermal management system further comprises a heating device, a seventh reserved sensor interface and an eighth reserved sensor interface, the seventh reserved sensor interface is positioned on the circulating water flow channel between the first reserved sensor interface and the expansion water tank, the eighth reserved sensor interface is positioned on the circulating water flow channel between the second reserved sensor interface and the heating component, the liquid inlet end of a heating water flow pipeline of the heating device is connected with the circulating water flow channel between the first reserved sensor interface and the seventh reserved sensor interface, the liquid outlet end of the heating water flow pipeline of the heating device is connected with the circulating water flow channel between the second reserved sensor interface and the eighth reserved sensor interface, the seventh reserved sensor interface and the eighth reserved sensor interface can be connected with the control device through a pressure or temperature sensor.
Preferably, the electric pile simulation module still includes differential pressure sensor, heater strip, gas mixing cabin and sets up the hydrogen pipeline with guide plate in the air conduit, differential pressure sensor is used for measuring the hydrogen pipeline with pressure differential in the air conduit, the heater strip is followed cooling water pipeline arranges, the hydrogen pipeline with the end of giving vent to anger of air conduit with gas mixing cabin intercommunication, the end of giving vent to anger of air conduit is equipped with first proportional valve, the end of giving vent to anger of gas mixing cabin is equipped with the second proportional valve.
Preferably, a control display for integrated display of the measurement data is also included.
In the above technical solution, the utility model provides a proton exchange membrane hydrogen fuel cell engine system simulation device includes galvanic pile simulation module, thermal management system, air system and hydrogen system and is used for monitoring galvanic pile simulation module, thermal management system, air system and hydrogen system's controlling means, is equipped with cooling water pipeline, hydrogen pipeline and air conduit on the galvanic pile simulation module, and the hydrogen pipeline is two at least; two ends of the heat management system are respectively communicated with the water inlet end and the output end of the cooling water pipeline and are used for conveying cooling liquid to the cooling water pipeline; two ends of the air system are respectively connected with the air inlet end and the air outlet end of the air pipeline and are used for inputting air with flow and temperature to the air channel; the hydrogen system comprises a hydrogen inlet component connected with the hydrogen pipeline air inlet and a hydrogen outlet component connected with the hydrogen pipeline air outlet, and the hydrogen inlet component comprises a simulated hydrogen source device used for conveying preset flow air to the hydrogen pipeline. When carrying out the simulation experiment, can adjust hydrogen as required and admit air pressure regulating valve on the subassembly, different pressure in the simulation pile replaces hydrogen through compressed air. The flow of the gas thermometer into the air duct is regulated according to the actual temperature requirement.
According to the description, in the simulation device of the proton exchange membrane hydrogen fuel cell engine system, the pressure of gas entering a hydrogen pipeline is adjusted, and then different states in the working process of the simulated fuel cell are detected through the control device, so that system simulation is realized. Because the air is adopted to replace the hydrogen, the condition of gas leakage in the fuel cell in the experimental process is avoided, and the simulation safety of the fuel cell is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a simulation apparatus of an engine system of a proton exchange membrane hydrogen fuel cell according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a thermal management system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a hydrogen system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a stack simulation module according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an air system according to an embodiment of the present invention.
Wherein in FIGS. 1-5: 1. a thermal management system; 1-1, a first reserved sensor interface; 1-2, a second reserved sensor interface; 1-3, a heating device; 1-4, an eighth reserved sensor interface; 1-5, a ninth reserved sensor interface; 1-6, a sixth reserved sensor interface; 1-7, a fourth reserved sensor interface; 1-8, a heater; 1-9, a radiator; 1-10, a fifth reserved sensor interface; 1-11, a third reserved sensor interface; 1-12, a three-way ball valve; 1-13, a water pump; 1-14, an expansion water tank; 1-15, a seventh reserved sensor interface;
2. a pile simulation module; 2-1, a cooling water pipeline; 2-2, hydrogen pipeline; 2-3, an air pipeline; 2-4, a differential pressure sensor; 2-5, a deflector; 2-6, a first proportional valve; 2-7, a gas mixing cabin; 2-8, a second proportional valve; 2-9, heating wires;
3. a hydrogen system; 3-1, a pile feeding pressure sensor; 3-2, a stack discharge pressure sensor; 3-3, a third regulating valve; 3-4, a second pressure sensor; 3-5, a first pressure sensor; 3-6, a second regulating valve; 3-7, a first regulating valve; 3-8, an air outlet pressure sensor; 3-9, a simulated hydrogen source device; 3-10, pump body; 3-11, a fourth regulating valve; 3-12, a fifth regulating valve;
4. an air system; 4-1, entering a pile temperature and humidity pressure sensor; 4-2, discharging a pile temperature and humidity pressure sensor; 4-3, a humidity adjusting device; 4-4, an intercooler; 4-5, an air outlet adjusting device; 4-6, a pressure sensor; 4-7, an air inlet adjusting device; 4-8, an air intake measurement sensor; 4-9, and an air system actuator.
Detailed Description
The core of the utility model is to provide a proton exchange membrane hydrogen fuel cell engine system simulation device to improve fuel cell simulation security.
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
Please refer to fig. 1 to 5.
In a specific implementation manner, the present invention provides a simulation apparatus for a pem hydrogen fuel cell engine system, which includes a stack simulation module 2, a thermal management system 1, an air system 4, a hydrogen system 3, and a control device for monitoring the stack simulation module 2, the thermal management system 1, the air system 4, and the hydrogen system 3.
Wherein, the pile simulation module 2 is provided with a cooling water pipeline 2-1, a hydrogen pipeline 2-2 and an air pipeline 2-3, and the number of the hydrogen pipelines 2-2 is at least two, specifically three or four lamps. Specifically, the hydrogen pipe 2-2 is located between the air pipe 2-3 and the cooling water pipe 2-1. Wherein the air of the hydrogen pipeline 2-2 simulates the hydrogen entering condition, and the air pipe simulates the air entering condition.
Two ends of the heat management system 1 are respectively communicated with the water inlet end and the output end of the cooling water pipeline 2-1 and used for conveying cooling liquid to the cooling water pipeline 2-1. Preferably, a guide plate 2-5 is arranged in the hydrogen pipeline 2-2 and the air pipeline 2-3, and the flow state of the gas in the real electric pile is simulated by guiding the air and the hydrogen pipelines through the guide plate 2-5 in the figure by arranging the guide plate 2-5.
Two ends of the air system 4 are respectively connected with the air inlet end and the air outlet end of the air pipelines 2-3 and used for inputting air with flow and temperature to the air channel.
The hydrogen system 3 comprises a hydrogen inlet component connected with an air inlet of the hydrogen pipeline 2-2 and a hydrogen outlet component connected with an air outlet of the hydrogen pipeline 2-2, and the hydrogen inlet component comprises a simulated hydrogen source device 3-9 used for delivering air with preset flow to the hydrogen pipeline.
When carrying out the simulation experiment, can adjust hydrogen as required and admit air pressure regulating valve on the subassembly, different pressure in the simulation pile replaces hydrogen through compressed air. The flow of the gas thermometer into the air duct 2-3 is adjusted according to the actual temperature requirement.
As can be seen from the above description, in the simulation apparatus for an engine system of a proton exchange membrane hydrogen fuel cell provided in the embodiment of the present application, the system simulation is implemented by adjusting the pressure of the gas entering the hydrogen pipeline 2-2 to simulate different states of the fuel cell during the operation process. Because the air is adopted to replace the hydrogen, the condition of gas leakage in the fuel cell in the experimental process is avoided, and the simulation safety of the fuel cell is effectively improved.
Specifically, the air system 4 comprises an air inlet assembly connected with an air inlet of the air pipeline 2-3 and an air outlet assembly connected with an air outlet of the air pipeline 2-3.
An air system 4 actuator, an air inlet measuring sensor 4-8, an air inlet adjusting device 4-7, a pressure sensor 4-6, an intercooler 4-4 and a reactor temperature and humidity sensor 4-1 are sequentially arranged on an air inlet pipeline of the air inlet assembly along the air flow direction.
The stack temperature and humidity sensor 4-2 and the air outlet adjusting device 4-5 are sequentially arranged on the air outlet pipeline of the air outlet assembly along the air flow direction. The air inlet measuring sensor 4-8, the reactor inlet temperature and humidity sensor 4-1 and the reactor outlet temperature and humidity sensor 4-2 are connected with a control device.
Further, the air inlet adjusting device 4-7 and the air outlet adjusting device 4-5 both comprise an air compressor and a pressure sensor 4-6, and the pressure sensor 4-6 is connected with the control device.
The air inlet pipeline and the air outlet pipeline share the same air humidity adjusting device 4-3.
The air system actuators 4-9 include heating devices for heating the intake air temperature and manual regulating valves for regulating the intake air amount.
Specifically, the air inlet adjusting device 4-7 and the air outlet adjusting device 4-5 both comprise an air compressor and a pressure sensor 4-6.
The air inlet pipeline and the air outlet pipeline share the same air humidity adjusting device 4-3;
the air system actuators 4-9 include heating devices for heating the intake air temperature and manual regulating valves for regulating the intake air amount.
The air inlet adjusting device 4-7 and the air outlet adjusting device 4-5 are used as air compressor and throttle valve components in a common control system, and the components determined or to be tested by the type selection of the system components can be used. The heating device can be a heating resistance wire and is used for simulating working conditions such as high inlet air temperature, unsmooth inlet air and the like through the heating device and a manual regulating valve, the air humidity regulating device 4-3 can be used for simulating working conditions with overlarge or undersize humidity through humidification and dehumidification, and the intercooler 4-4 is used for regulating the reactor temperature.
When the device is used specifically, the quantity and the type of the sensors can be adjusted according to requirements, main parameters in the operation of the system can be visually seen through the configuration, and in addition, the sensors are connected to data acquisition equipment and are connected into MCU calibration measurement software, so that real-time display and recording can be realized.
Preferably, the pipeline of the air system 4 is provided with a quick-mounting mechanism, and the quick-mounting mechanism is also configured on the air actuator, so that different parts can be quickly replaced or the pipeline arrangement structure can be quickly changed for test verification.
In one embodiment, the hydrogen system 3 comprises a hydrogen inlet component connected to the inlet of the hydrogen pipeline 2-2 and a hydrogen outlet component connected to the outlet of the hydrogen pipeline 2-2.
A simulated hydrogen source device 3-9, an outlet pressure sensor 3-8, a first regulating valve 3-7, a second regulating valve 3-6, a first pressure sensor 3-5, a second pressure sensor 3-4, a third regulating valve 3-3 and a pile inlet pressure sensor 3-1 are sequentially arranged on an inlet pipeline of the hydrogen inlet assembly along the gas flow direction, and the simulated hydrogen source device 3-9 is arranged at the inlet end of the outlet pressure sensor 3-8.
The stack outlet pressure sensor 3-2, the pump body 3-10 and the one-way valve for preventing gas backflow are sequentially arranged on the gas outlet pipeline of the hydrogen gas outlet assembly along the gas flow direction, and the stack inlet pressure sensor 3-1 and the stack outlet pressure sensor 3-2 are both connected with the control device.
Preferably, a pipeline between the pump body 3-10 and the one-way valve is communicated with an air outlet pipeline of the air system 4 through a branch pipe, and a fourth regulating valve 3-11 is arranged on the branch pipe;
an exhaust pipeline communicated with the atmosphere is arranged between the first pressure sensor 3-5 and the second pressure sensor 3-4 of the air inlet pipeline of the hydrogen system 3, a fifth regulating valve 3-12 is arranged on the exhaust pipeline, and the first pressure sensor 3-5 and the second pressure sensor 3-4 are both connected with a control device.
The compressed air is used for replacing the real hydrogen, the pressure of the gas source is adjustable, and meanwhile, the adjustment can be related. The sensor signal acquisition mode is the same as that of the air system 4.
Preferably, the interfaces of the sensors of the hydrogen system 3 are provided with fast-assembling mechanisms, and the actuators are also provided with the fast-assembling mechanisms, so that different parts can be replaced quickly or pipeline arrangement structures can be changed conveniently for test verification.
In a specific embodiment, the thermal management system 1 comprises a circulating water flow channel with two ends respectively connected with two ends of a cooling water pipeline 2-1, a liquid inlet end of the circulating water flow channel is connected with a liquid outlet end of the cooling water pipeline, a liquid outlet end of the circulating water flow channel is connected with a liquid inlet end of the cooling water pipeline, the circulating water flow channel is sequentially provided with a first reserved sensor interface 1-1, an expansion water tank 1-14, a water pump 1-13, a heat dissipation component and a second reserved sensor interface 1-2 along a water flow direction, the heat dissipation component comprises a third reserved sensor interface 1-11, a heat sink 1-9 and a fourth reserved sensor interface 1-7 which are sequentially arranged along the water flow direction, and the first reserved sensor interface 1-1, the second reserved sensor interface 1-2, the third reserved sensor interface 1-11 and the fourth reserved sensor interface 1-7 can be connected with a control device through a pressure or temperature .
Further, the heat management system 1 further comprises a heating assembly which is connected with the heat dissipation assembly in parallel, the heating assembly comprises a fifth reserved sensor interface 1-10, a heater 1-8 and a sixth reserved sensor interface 1-6 which are sequentially arranged along the water flowing direction, the liquid inlet end of the heat dissipation assembly is connected with the liquid inlet end of the heating assembly through a three-way ball valve 1-12, and the fifth reserved sensor interface 1-10 and the sixth reserved sensor interface 1-6 can be connected with a control device through pressure or temperature sensors.
In a specific embodiment, the thermal management system 1 further includes a heating device 1-3, a seventh reserved sensor interface 1-15, an eighth reserved sensor interface 1-4, and a ninth reserved sensor interface 1-5, the seventh reserved sensor interface 1-15 is located on a circulating water flow channel between the first reserved sensor interface 1-1 and the expansion tank 1-14, the eighth reserved sensor interface 1-4 is located on a circulating water flow channel between the second reserved sensor interface 1-2 and the heating component, the eighth reserved sensor interface 1-4 is connected in series with the ninth reserved sensor interface 1-5, and measurement operation can be performed by connecting different sensors. . The liquid inlet end of a heating water flow pipeline of the heating device 1-3 is connected with a circulating water flow channel between the first reserved sensor interface 1-1 and the seventh reserved sensor interface 1-15, the liquid outlet end of the heating water flow pipeline of the heating device 1-3 is connected with a circulating water flow channel between the second reserved sensor interface 1-2 and the eighth reserved sensor interface 1-4, and the seventh reserved sensor interface 1-15 and the eighth reserved sensor interface 1-4 can be connected with a control device through pressure or temperature sensors.
The reserved sensor interfaces can be used for installing temperature sensors, pressure sensors and flow sensors, and the sensor signal acquisition mode is the same as that of the air system 4. The heating devices 1-3 are used to simulate the thermal management system 1 in dissipating heat from other components in the system.
Each reserved sensor interface in the thermal management system 1 is provided with a quick-mounting mechanism, and the quick-mounting mechanism is also configured on the actuator, so that different parts can be quickly replaced or the arrangement structure of the pipeline can be changed for test verification.
In a specific embodiment, the pile simulation module 2 further comprises a differential pressure sensor 2-4, a heating wire 2-9, a gas mixing cabin 2-7 and a differential pressure sensor 2-4 for measuring the pressure difference between the hydrogen pipeline 2-2 and the air pipeline 2-3, the heating wire 2-9 is arranged along the cooling water pipeline 2-1, the gas outlet ends of the hydrogen pipeline 2-2 and the air pipeline 2-3 are communicated with the gas mixing cabin 2-7, the gas outlet end of the air pipeline 2-3 is provided with a first proportional valve 2-6, and the gas outlet end of the gas mixing cabin 2-7 is provided with a second proportional valve 2-8.
A differential pressure sensor 2-4 is arranged between the air pipeline 2-3 and the hydrogen pipeline 2-2 and used for measuring the differential pressure between the air pipeline and the hydrogen pipeline, so that the control effect of the control system on the differential pressure between the air pipelines can be verified conveniently, and the signal acquisition mode of the sensor is the same as that of the air system 4. The heating wires 2-9 are accompanied by heating resistance wires arranged around the coolant line for simulating the heat generated during the operation of the stack. The gas mixing cabin 2-7 is connected into three pipelines from one air side pipeline and two hydrogen side pipelines, the connecting pipe diameters are the same, SC4 on the air side pipeline simulates that 21% of oxygen in the air pipeline is consumed in a state that a proportional valve is opened by 21% in a normal state, and therefore consumption of air and hydrogen by electrochemical reaction in the electric pile is simulated under the combined action of SC3 and SC 2.
In order to facilitate reading of the values, the simulation device of the proton exchange membrane hydrogen fuel cell engine system preferably further comprises a control display for integrally displaying the measured data.
During simulation, the air system 4 supplies air required by electrochemical reaction to the electric pile according to power demand, and the control targets are air flow, pressure and inlet-outlet pressure difference of the air pipelines 2-3. The hydrogen system 3 controls the flow rate and pressure of hydrogen and the pressure difference at the inlet and outlet of the hydrogen pipeline 2-2 and controls the hydrogen discharge at the hydrogen side. The control target of the thermal management system 1 is the temperature of the cooling liquid and the temperature difference between the inlet and the outlet of the electric pile, the temperature of the electric pile can be controlled to reach the proper temperature required by chemical reaction and the temperature difference between the inlet and the outlet of the cooling pipeline through heating or heat dissipation, and meanwhile, the cooling liquid can also be used as a medium of an intercooler 4-4 of the air system 4.
By simulating the structural characteristics of the stack, the working characteristics of the gas circuit and the cooling liquid circuit, the main characteristics of the system are simulated by a safe, flexible and low-cost alternative means, and the closed-loop test verification and the part test of the fuel cell electric control system are met.
The method simulates the main characteristics of the system by safe, flexible and low-cost alternative means, such as simulation of high inlet air temperature and unsmooth inlet air of the air system 4, simulation of a hydrogen source, simulation of heat generation and radiation of a galvanic pile and simulation of consumption of electrochemical reaction gas.
In addition, the pressure difference sensors 2-4 are additionally arranged in the simulated galvanic pile to realize real-time measurement of the pressure difference control effect, so that the problem that the pressure difference between air and a hydrogen path in the real galvanic pile cannot be observed is solved.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A proton exchange membrane hydrogen fuel cell engine system simulation device is characterized by comprising:
the device comprises a pile simulation module (2), wherein the pile simulation module (2) is provided with a cooling water pipeline (2-1), at least two hydrogen pipelines (2-2) and at least two air pipelines (2-3);
the two ends of the thermal management system (1) are respectively communicated with the water inlet end and the output end of the cooling water pipeline (2-1) and used for conveying cooling liquid to the cooling water pipeline (2-1);
the two ends of the air system (4) are respectively connected with the air inlet end and the air outlet end of the air pipelines (2-3), and the air system (4) is used for inputting air with preset flow and temperature into the air pipelines;
the hydrogen system (3) comprises a hydrogen inlet component connected with the air inlet of the hydrogen pipeline (2-2) and a hydrogen outlet component connected with the air outlet of the hydrogen pipeline (2-2), and the hydrogen inlet component comprises a simulated hydrogen source device (3-9) used for conveying air with preset flow to the hydrogen pipeline;
and the control device is used for monitoring the electric pile simulation module (2), the thermal management system (1), the air system (4) and the hydrogen system (3).
2. The PEMFC engine system simulation device according to claim 1, wherein the air system (4) comprises an air inlet assembly connected to the air inlet of the air pipe (2-3) and an air outlet assembly connected to the air outlet of the air pipe (2-3);
an air system actuator (4-9), an air inlet measuring sensor (4-8), an air inlet adjusting device (4-7), a pressure sensor (4-6), an intercooler (4-4) and an inlet stack temperature and humidity pressure sensor (4-1) are sequentially arranged on an air inlet pipeline of the air inlet assembly along the air flow direction;
the air outlet pipeline of the air outlet assembly is sequentially provided with an outlet stack temperature and humidity pressure sensor (4-2) and an outlet air adjusting device (4-5) along the air flow direction, and the inlet air measuring sensor (4-8), the inlet stack temperature and humidity pressure sensor (4-1) and the outlet stack temperature and humidity pressure sensor (4-2) are connected with the control device.
3. The simulation device of the proton exchange membrane hydrogen fuel cell engine system according to claim 2, wherein the inlet air adjusting device (4-7) and the outlet air adjusting device (4-5) each comprise an air compressor and a pressure sensor (4-6), and the pressure sensors (4-6) are connected with the control device;
the air inlet pipeline and the air outlet pipeline share the same air humidity adjusting device (4-3);
the air system actuators (4-9) comprise heating devices for heating the temperature of the intake air and manual adjusting valves for adjusting the air intake amount.
4. The simulation device of the proton exchange membrane hydrogen fuel cell engine system according to claim 1, wherein an outlet pressure sensor (3-8), a first regulating valve (3-7), a second regulating valve (3-6), a first pressure sensor (3-5), a second pressure sensor (3-4), a third regulating valve (3-3) and a stack inlet pressure sensor (3-1) are sequentially arranged on an inlet pipeline of the hydrogen inlet assembly along a gas flow direction, and the simulated hydrogen source device (3-9) is arranged at an inlet end of the outlet pressure sensor (3-8);
the hydrogen gas outlet assembly is characterized in that a stack outlet pressure sensor (3-2), a pump body (3-10) and a one-way valve for preventing gas from flowing backwards are sequentially arranged on a gas outlet pipeline of the hydrogen gas outlet assembly along the gas flow direction, and the stack inlet pressure sensor (3-1) and the stack outlet pressure sensor (3-2) are connected with the control device.
5. The PEMFC engine system simulation device according to claim 4, wherein a pipeline between the pump body (3-10) and the one-way valve is communicated with an air outlet pipeline of the air system (4) through a branch pipe, and a fourth regulating valve (3-11) is arranged on the branch pipe;
an exhaust pipeline communicated with atmosphere is arranged between the first pressure sensor (3-5) and the second pressure sensor (3-4) of the air inlet pipeline of the hydrogen system (3), a fifth regulating valve (3-12) is arranged on the exhaust pipeline, and the first pressure sensor (3-5) and the second pressure sensor (3-4) are both connected with the control device.
6. The PEMFC engine system simulation device according to claim 1, wherein the thermal management system (1) comprises a circulating water flow channel with two ends respectively connected with two ends of the cooling water pipeline (2-1), the liquid inlet end of the circulating water flow channel is connected with the liquid outlet end of the cooling water pipeline, the liquid outlet end of the circulating water flow channel is connected with the liquid inlet end of the cooling water pipeline, the circulating water flow channel is sequentially provided with a first reserved sensor interface (1-1), an expansion water tank (1-14), a water pump (1-13), a heat dissipation assembly and a second reserved sensor interface (1-2) along the water flowing direction, the heat dissipation assembly comprises a third reserved sensor interface (1-11), a heat sink (1-9) and a fourth reserved sensor interface (1-7) sequentially arranged along the water flowing direction, the first reserved sensor interface (1-1), the second reserved sensor interface (1-2), the third reserved sensor interface (1-11) and the fourth reserved sensor interface (1-7) can be connected with the control device through pressure or temperature sensors.
7. The PEMFC engine system simulation device according to claim 6, wherein the thermal management system (1) further comprises a heating component arranged in parallel with the heat dissipation component, the heating component comprises a fifth reserved sensor interface (1-10), a heater (1-8) and a sixth reserved sensor interface (1-6) which are sequentially arranged along the water flow direction, the liquid inlet end of the heat dissipation component and the liquid inlet end of the heating component are connected through a three-way ball valve (1-12), and the fifth reserved sensor interface (1-10) and the sixth reserved sensor interface (1-6) can be connected with the control device through a pressure or temperature sensor.
8. The PEMFC engine system simulation device according to claim 7, wherein the thermal management system (1) further comprises a heating device (1-3), a seventh reserved sensor interface (1-15) and an eighth reserved sensor interface (1-4), the seventh reserved sensor interface (1-15) is located on the circulating water flow channel between the first reserved sensor interface (1-1) and the expansion tank (1-14), the eighth reserved sensor interface (1-4) is located on the circulating water flow channel between the second reserved sensor interface (1-2) and the heating element, and the inlet end of the heating water flow channel of the heating device (1-3) is connected with the circulating water flow channel between the first reserved sensor interface (1-1) and the seventh reserved sensor interface (1-15) The outlet end of the heating water flow pipeline of the heating device (1-3) is connected with the circulating water flow channel between the second reserved sensor interface (1-2) and the eighth reserved sensor interface (1-4), and the seventh reserved sensor interface (1-15) and the eighth reserved sensor interface (1-4) can be connected with the control device through a pressure or temperature sensor.
9. The PEMFC engine system simulation device according to claim 1, wherein the stack simulation module (2) further comprises a differential pressure sensor (2-4), a heater wire (2-9), a gas mixing chamber (2-7) and a flow guide plate (2-5) arranged in the hydrogen pipe (2-2) and the air pipe (2-3), the differential pressure sensor (2-4) is used for measuring the differential pressure in the hydrogen pipe (2-2) and the air pipe (2-3), the heater wire (2-9) is arranged along the cooling water pipe (2-1), the outlet ends of the hydrogen pipe (2-2) and the air pipe (2-3) are communicated with the gas mixing chamber (2-7), the air outlet end of the air pipeline (2-3) is provided with a first proportional valve (2-6), and the air outlet end of the air mixing cabin (2-7) is provided with a second proportional valve (2-8).
10. The pem-hydrogen fuel cell engine system simulation of any one of claims 1-9, further comprising a control display for integrated display of measurement data.
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| CN201921676248.4U CN211125844U (en) | 2019-09-30 | 2019-09-30 | Simulation device for proton exchange membrane hydrogen fuel cell engine system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290061A (en) * | 2020-10-29 | 2021-01-29 | 英飞腾(上海)氢能源发展有限公司 | Fuel cell simulation apparatus, method and storage medium |
| CN112786925A (en) * | 2021-01-28 | 2021-05-11 | 上海电气集团股份有限公司 | Heating and humidifying simulation system for hydrogen cavity of fuel cell stack |
| CN114497610A (en) * | 2021-11-16 | 2022-05-13 | 广州擎天实业有限公司 | PEMFC engine simulator |
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2019
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290061A (en) * | 2020-10-29 | 2021-01-29 | 英飞腾(上海)氢能源发展有限公司 | Fuel cell simulation apparatus, method and storage medium |
| CN112786925A (en) * | 2021-01-28 | 2021-05-11 | 上海电气集团股份有限公司 | Heating and humidifying simulation system for hydrogen cavity of fuel cell stack |
| CN114497610A (en) * | 2021-11-16 | 2022-05-13 | 广州擎天实业有限公司 | PEMFC engine simulator |
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