CN212667175U - Cooling liquid circulating system of hydrogen fuel cell engine - Google Patents
Cooling liquid circulating system of hydrogen fuel cell engine Download PDFInfo
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- CN212667175U CN212667175U CN202021029279.3U CN202021029279U CN212667175U CN 212667175 U CN212667175 U CN 212667175U CN 202021029279 U CN202021029279 U CN 202021029279U CN 212667175 U CN212667175 U CN 212667175U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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Abstract
The utility model relates to the technical field of hydrogen fuel cell vehicles, in particular to a cooling liquid circulating system of a hydrogen fuel cell engine, which can detect the temperature and the pressure of cooling liquid in real time by arranging a first temperature sensor, a second temperature sensor, a first pressure sensor and a second pressure sensor, and ensure that the temperature and the pressure of the cooling liquid are in the normal working range of a fuel cell stack; the circulating water pump is respectively connected with the fuel cell stack and the radiator and can circularly drive the liquid in the whole cooling pipeline and the preheating pipeline; the intercooler is arranged on the air pipeline, and meanwhile, the intercooler is connected with the heat exchange pipe to heat air entering the fuel cell stack, and meanwhile, heat generated by the fuel cell stack can be utilized to reduce the heat dissipation capacity of the radiator and reduce the power consumed by the radiator; the cooling liquid circulating system of the hydrogen fuel cell engine designed by the scheme has a simple structure and low system power consumption.
Description
Technical Field
The utility model relates to a hydrogen fuel cell car technical field, in particular to coolant liquid circulation system of hydrogen fuel cell engine.
Background
The coolant circulation system of a hydrogen fuel cell engine has two characteristics: firstly, the temperature of air supplied to the galvanic pile by the air supply system is easily influenced by the environment and is difficult to quickly reach the temperature required by the working of the galvanic pile; secondly, the cooling liquid circulating system has low heat dissipation efficiency; aiming at the two characteristics, the following solutions are mainly available in the market at present:
according to the scheme I, air is heated through an intercooler;
the second scheme is that cooling liquid is cooled by air through a radiator fan;
according to the third scheme, the heat dissipation efficiency is improved through the cooperation of the temperature detection device, the control device and the heat radiator;
however, the first scheme in the three schemes has poor adjustability and cannot accurately control the air temperature; the system of the second scheme consumes large power; and the pipeline of the third scheme is complex and is complex to control.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problems that: provided is a coolant circulation system for a hydrogen fuel cell engine, which has a simple structure and consumes less power.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a cooling liquid circulation system of a hydrogen fuel cell engine comprises a fuel cell stack, a first temperature sensor, a first pressure sensor, a circulating water pump, a thermostat, an expansion water tank, a radiator, a heater, a second pressure sensor, a second temperature sensor, an air filter, an air compressor and a intercooler, wherein the input end of the circulating water pump is respectively connected with the output end of the fuel cell stack, the output end of the first temperature sensor, the output end of the first pressure sensor, the output end of the intercooler and the output end of the expansion water tank, the input end of the intercooler is respectively connected with the output end of the radiator, the output end of the heater and the output end of the air compressor, the input end of the fuel cell stack is respectively connected with the output end of the second temperature sensor, the output end of the radiator, the output end of the heater and the output end of the intercooler, the output end of the thermostat is respectively connected with the input end of, the output end of the circulating water pump is connected with the input end of the thermostat, the input end of the expansion water tank is connected with the output end of the radiator, and the output end of the air filter is connected with the input end of the air compressor.
And the control device is electrically connected with the first temperature sensor, the second temperature sensor, the first pressure sensor, the second pressure sensor, the circulating water pump, the radiator, the heater and the air compressor respectively.
Further, a liquid level sensor is arranged inside the expansion water tank and electrically connected with the control device.
And the air compressor further comprises a third temperature sensor, and the third temperature sensor is respectively connected with the input end of the air compressor and the output end of the air filter.
And the fourth temperature sensor is respectively connected with the output end of the intercooler and the input end of the fuel cell stack.
The beneficial effects of the utility model reside in that:
the temperature and the pressure of the cooling liquid can be detected in real time by arranging the first temperature sensor, the second temperature sensor, the first pressure sensor and the second pressure sensor, so that the temperature and the pressure of the cooling liquid are ensured to be within the normal working range of the fuel cell stack; the circulating water pump is respectively connected with the fuel cell stack and the radiator and can circularly drive the liquid in the whole cooling pipeline and the preheating pipeline; the air pipe is provided with the intercooler, the intercooler is connected with the heat exchange pipe, the cooling liquid heats the air in the intercooler through the heat exchange pipe, the air entering the fuel cell stack is heated, and meanwhile, the heat generated by the fuel cell stack can be utilized, so that the heat dissipation capacity of the radiator is reduced, and the power consumed by the radiator is reduced; by arranging the radiator, air contained in the cooling liquid can be discharged into the expansion water tank through the exhaust pipe of the radiator, and then discharged out of the cooling liquid circulating system; the cooling liquid circulating system of the hydrogen fuel cell engine designed by the scheme has a simple structure and low system power consumption.
Drawings
Fig. 1 is a system connection block diagram showing a coolant circulation system of a hydrogen fuel cell engine according to the present invention;
description of reference numerals:
1. a fuel cell stack; 2. a first temperature sensor; 3. a second temperature sensor; 4. a third temperature sensor; 5. a fourth temperature sensor; 6. a first pressure sensor; 7. a second pressure sensor; 8. a water circulating pump; 9. a thermostat; 10. an expansion tank; 11. a heat sink; 12. a heater; 13. an air filter; 14. an air compressor; 15. and an intercooler.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, the technical solution provided by the present invention is:
a cooling liquid circulation system of a hydrogen fuel cell engine comprises a fuel cell stack, a first temperature sensor, a first pressure sensor, a circulating water pump, a thermostat, an expansion water tank, a radiator, a heater, a second pressure sensor, a second temperature sensor, an air filter, an air compressor and a intercooler, wherein the input end of the circulating water pump is respectively connected with the output end of the fuel cell stack, the output end of the first temperature sensor, the output end of the first pressure sensor, the output end of the intercooler and the output end of the expansion water tank, the input end of the intercooler is respectively connected with the output end of the radiator, the output end of the heater and the output end of the air compressor, the input end of the fuel cell stack is respectively connected with the output end of the second temperature sensor, the output end of the radiator, the output end of the heater and the output end of the intercooler, the output end of the thermostat is respectively connected with the input end of, the output end of the circulating water pump is connected with the input end of the thermostat, the input end of the expansion water tank is connected with the output end of the radiator, and the output end of the air filter is connected with the input end of the air compressor.
From the above description, the beneficial effects of the present invention are:
the temperature and the pressure of the cooling liquid can be detected in real time by arranging the first temperature sensor, the second temperature sensor, the first pressure sensor and the second pressure sensor, so that the temperature and the pressure of the cooling liquid are ensured to be within the normal working range of the fuel cell stack; the circulating water pump is respectively connected with the fuel cell stack and the radiator and can circularly drive the liquid in the whole cooling pipeline and the preheating pipeline; the air pipe is provided with the intercooler, the intercooler is connected with the heat exchange pipe, the cooling liquid heats the air in the intercooler through the heat exchange pipe, the air entering the fuel cell stack is heated, and meanwhile, the heat generated by the fuel cell stack can be utilized, so that the heat dissipation capacity of the radiator is reduced, and the power consumed by the radiator is reduced; by arranging the radiator, air contained in the cooling liquid can be discharged into the expansion water tank through the exhaust pipe of the radiator, and then discharged out of the cooling liquid circulating system; the cooling liquid circulating system of the hydrogen fuel cell engine designed by the scheme has a simple structure and low system power consumption.
And the control device is electrically connected with the first temperature sensor, the second temperature sensor, the first pressure sensor, the second pressure sensor, the circulating water pump, the radiator, the heater and the air compressor respectively.
Further, a liquid level sensor is arranged inside the expansion water tank and electrically connected with the control device.
It can be known from the above description that at inside level sensor that sets up of expansion tank, level sensor is connected with controlling means electricity, can the total capacity of cooling liquid in the coolant circulation system of real-time detection like this, when the capacity drops to a definite value, feeds back controlling means's signal according to level sensor, and the suggestion needs annotate the coolant liquid for whole coolant circulation system.
And the air compressor further comprises a third temperature sensor, and the third temperature sensor is respectively connected with the input end of the air compressor and the output end of the air filter.
As can be seen from the above description, the third temperature sensor is provided for detecting the temperature of the air in the pipeline in real time.
And the fourth temperature sensor is respectively connected with the output end of the intercooler and the input end of the fuel cell stack.
As can be seen from the above description, the fourth temperature sensor is provided for detecting the temperature of the air in the pipeline in real time.
Referring to fig. 1, a first embodiment of the present invention is:
a coolant circulation system of a hydrogen fuel cell engine comprises a fuel cell stack 1, a first temperature sensor 2, a first pressure sensor 6, a circulating water pump 8, a thermostat 9, an expansion water tank 10, a radiator 11, a heater 12, a second pressure sensor 7, a second temperature sensor 3, an air filter 13, an air compressor 14 and an intercooler 15, wherein the input end of the circulating water pump 8 is respectively connected with the output end of the fuel cell stack 1, the output end of the first temperature sensor 2, the first pressure sensor 6, the output end of the intercooler 15 and the output end of the expansion water tank 10, the input end of the intercooler 15 is respectively connected with the output end of the radiator 11, the output end of the heater 12 and the output end of the air compressor 14, the input end of the fuel cell stack 1 is respectively connected with the output end of the second temperature sensor 3, the second pressure sensor 7, the output end of the radiator 11, The output of heater 12 is connected with intercooler 15's output, thermostat 9's output is connected with radiator 11's input and heater 12's input respectively, circulating water pump 8's output is connected with thermostat 9's input, expansion tank 10's input is connected with radiator 11's output, air cleaner 13's output is connected with air compressor machine 14's input.
The air compressor control system is characterized by further comprising a control device, wherein the control device can be a controller, a control chip is arranged in the controller, the model of the control chip is FCU-30-1A-SNE, and the control device is electrically connected with the first temperature sensor 2, the second temperature sensor 3, the first pressure sensor 6, the second pressure sensor 7, the circulating water pump 8, the radiator 11, the heater 12 and the air compressor 14 respectively.
And a liquid level sensor is arranged in the expansion water tank 10 and is electrically connected with the control device.
And the air conditioner also comprises a third temperature sensor 4, wherein the third temperature sensor 4 is respectively connected with the input end of the air compressor 14 and the output end of the air filter 13.
The fuel cell stack further comprises a fourth temperature sensor 5, wherein the fourth temperature sensor 5 is respectively connected with the output end of the intercooler 15 and the input end of the fuel cell stack 1.
On the air pipeline, the pressure of air passing through the air filter 13 and the intercooler 15 is reduced, the sectional area of the whole air pipeline is not changed greatly, but the pipeline has certain angle change due to the influence of the installation positions of the air compressor 14, the intercooler 15 and the air filter 13, according to aerodynamics, the flow line can be bent due to the bending of the pipeline, and the pressure of the outer side of the pipeline wall of the fluid is higher than that of the inner side of the fluid under the action of centripetal force; in the outer side of the pipe wall, the pressure intensity is increased firstly and then reduced, and meanwhile, the pressure intensity in the inner side is reduced firstly and then increased, so that fluid forms spiral alternate flow in the pipe, the flow speed and the flow are greatly influenced, after the test, the scheme adopts a certain angle to be installed in an inclined mode, and the angle of the pipe is reduced as much as possible, so that the purpose of reducing the pressure loss of the air pipeline is achieved; according to the air pressure required by the fuel cell stack 1, the control device adjusts the rotating speed of the air compressor 14, and after the air pressure detection signal is fed back, the control device adjusts the rotating speed of the air compressor 14 to ensure that the stack inlet air pressure is within the range of the required pressure of the stack.
The working principle of the cooling liquid circulating system of the hydrogen fuel cell engine is as follows:
air firstly passes through an air filter 13 to be physically and chemically filtered, the air temperature detected by a third temperature sensor 4 is transmitted to a control device, in the preheating stage, the control device adjusts a heater 12 according to a feedback signal, at the moment, a branch water outlet of a thermostat 9 is communicated with the heater 12, a main path water outlet of the thermostat 9 is closed, an intercooler 15 and a fuel cell stack 1 are connected to two ends of a circulating water pump 8 in parallel, heated cooling liquid flows into the intercooler 15, after the air is heated in the intercooler 15, the cooling liquid flows out of the intercooler 15 and then enters the circulating water pump 8; when the fuel cell stack 1 enters normal operation, the control device turns off the heater 12 according to the feedback signal, the heater 12 stops working, the branch water outlet of the thermostat 9 is closed, the main path water outlet of the thermostat 9 is communicated with the water inlet of the radiator 11, the cooling liquid flows into the radiator 11, the cooling fan in the radiator 11 carries out air cooling on the cooling liquid, the cooling liquid cooled by the radiator 11 enters the fuel cell stack 1 and the intercooler 15, and the cooling liquid entering the intercooler 15 heats air.
In order to shorten the time required by the system to reach the optimal working temperature when the fuel cell stack 1 is started, the heater 12 is adjusted by the control device to heat the cooling liquid; when the fuel cell stack 1 is started, the temperature and pressure sensors are arranged on the cooling pipeline, the temperature and pressure of cooling liquid at the inlet and the outlet of the fuel cell stack 1 are detected in real time and fed back to the input end of the control device, the control device receives signals and then timely adjusts the rotating speed of the circulating water pump 8 to ensure the pressure of the cooling liquid, and meanwhile, the heater 12 works to heat the cooling liquid; when the temperature sensor detects that the temperature of the coolant reaches the normal working temperature of the fuel cell stack 1, the control device receives the signal, then the heater 12 is turned off, meanwhile, the branch of the thermostat 9 is gradually turned off, the preheating pipeline stops working, the main pipeline orifice of the thermostat 9 is opened, and the coolant flows into the radiator 11.
The cooling pipeline comprises a pipeline for connecting the output end of the fuel cell stack 1 with the input end of the circulating water pump 8, a pipeline for connecting the output end of the circulating water pump 8 with the input end of the thermostat 9, a pipeline for connecting one output end of the thermostat 9 with the input end of the radiator 11, a pipeline for connecting the output end of the radiator 11 with the input end of the fuel cell stack 1, and a temperature sensor and a pressure sensor which are contained in the pipelines;
the preheating pipeline comprises a pipeline for connecting the output end of the fuel cell stack 1 with the input end of the circulating water pump 8, a pipeline for connecting the output end of the circulating water pump 8 with the input end of the thermostat 9, a pipeline for connecting one output end of the thermostat 9 with the input end of the heater 12, and a pipeline for connecting the output end of the heater 12 with the input end of the fuel cell stack 1;
the heat exchange pipeline comprises a pipeline for connecting the output end of the intercooler 15 with the input end of the circulating water pump 8, a pipeline for connecting the output end of the circulating water pump 8 with the input end of the thermostat 9, a pipeline for connecting the output end of the thermostat 9 with the input end of the heater 12, a pipeline for connecting the output end of the thermostat 9 with the input end of the radiator 11, a pipeline for connecting the output end of the heater 12 with the input end of the intercooler 15 and a pipeline for connecting the output end of the radiator 1 with the input end of the intercooler 15.
The fuel cell stack 1 can generate a large amount of heat during operation, the heat is taken away by the cooling liquid, the liquid in the cooling pipeline is cooled by air through the cooling fan of the radiator 11, the cooling liquid is pumped into the fuel cell stack 1 from the radiator 11 by the circulating water pump 8, and most of the heat in the fuel cell stack 1 is taken away and then returns to the radiator 11.
The fuel cell stack 1 has strict requirements on the temperature of cooling liquid, the temperature difference of the cooling liquid entering and exiting the fuel cell stack 1 and the flow rate of the cooling liquid, in order to ensure the uniformity of the temperature distribution of the fuel cell, the temperature difference of the cooling liquid at an inlet and an outlet is generally not more than 10 ℃, and the control precision requirement is high and is generally required to be within the range of +/-1 ℃ of a specified value; in the cooling liquid circulating system, the temperature sensor and the pressure sensor detect the temperature and the pressure of the cooling liquid at the inlet and the outlet of the fuel cell stack 1 in real time and feed the temperature and the pressure back to the input end of the control device, and after the control device receives a signal, when the temperature of the cooling liquid is too high, the control device adjusts the cooling fan of the radiator 11 and increases the rotating speed of the cooling fan; when the temperature of the cooling liquid is low, the control device adjusts the cooling fan of the radiator 11 to reduce the rotating speed of the cooling fan; in the whole cooling liquid circulating system, the temperature of the cooling liquid is effectively ensured to be always maintained within the normal working temperature range of the fuel cell stack 1 through negative feedback regulation.
In the cooling liquid circulation process of the cooling liquid circulation system of the scheme, air contained in the cooling liquid circulation process is discharged to the expansion water tank 10 together with the cooling liquid through the exhaust port of the radiator 11, and then the air is discharged from the cooling liquid circulation system; the expansion water tank 10 is located at the highest point of the whole system, a liquid level sensor is arranged in the expansion water tank 10 and connected with a control device, when the liquid level in the expansion water tank 10 is lowered, the liquid level sensor feeds back a signal to the control device after receiving the signal, and when the liquid level is lowered to a certain degree, the cooling liquid is required to be added into the whole cooling liquid circulating system according to the feedback signal.
To sum up, the utility model provides a coolant circulating system of hydrogen fuel cell engine, through setting up first temperature sensor, second temperature sensor, first pressure sensor and second pressure sensor, can detect the temperature and the pressure of coolant in real time, ensure that the temperature and the pressure of coolant are in fuel cell pile normal operating range; the circulating water pump is respectively connected with the fuel cell stack and the radiator and can circularly drive the liquid in the whole cooling pipeline and the preheating pipeline; the air pipe is provided with the intercooler, the intercooler is connected with the heat exchange pipe, the cooling liquid heats the air in the intercooler through the heat exchange pipe, the air entering the fuel cell stack is heated, and meanwhile, the heat generated by the fuel cell stack can be utilized, so that the heat dissipation capacity of the radiator is reduced, and the power consumed by the radiator is reduced; by arranging the radiator, air contained in the cooling liquid can be discharged into the expansion water tank through the exhaust pipe of the radiator, and then discharged out of the cooling liquid circulating system; the cooling liquid circulating system of the hydrogen fuel cell engine designed by the scheme has a simple structure and low system power consumption.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (5)
1. A cooling liquid circulation system of a hydrogen fuel cell engine is characterized by comprising a fuel cell stack, a first temperature sensor, a first pressure sensor, a circulating water pump, a thermostat, an expansion water tank, a radiator, a heater, a second pressure sensor, a second temperature sensor, an air filter, an air compressor and a intercooler, wherein the input end of the circulating water pump is respectively connected with the output end of the fuel cell stack, the output end of the first temperature sensor, the output end of the first pressure sensor, the output end of the intercooler and the output end of the expansion water tank, the input end of the intercooler is respectively connected with the output end of the radiator, the output end of the heater and the output end of the air compressor, the input end of the fuel cell stack is respectively connected with the output ends of the second temperature sensor, the second pressure sensor, the radiator, the heater and the intercooler, the output of thermostat is connected with the input of radiator and the input of heater respectively, circulating water pump's output is connected with the input of thermostat, expansion tank's input is connected with the output of radiator, air cleaner's output is connected with the input of air compressor machine.
2. The coolant circulation system for a hydrogen fuel cell engine according to claim 1, further comprising a control device electrically connected to the first temperature sensor, the second temperature sensor, the first pressure sensor, the second pressure sensor, the circulating water pump, the radiator, the heater, and the air compressor, respectively.
3. The coolant circulation system of a hydrogen fuel cell engine according to claim 2, wherein a liquid level sensor is provided inside the expansion tank, and the liquid level sensor is electrically connected to a control device.
4. The coolant circulation system for a hydrogen fuel cell engine according to claim 1, further comprising a third temperature sensor connected to an input of the air compressor and an output of the air filter, respectively.
5. The coolant circulation system for a hydrogen fuel cell engine according to claim 1, further comprising a fourth temperature sensor connected to an output of the intercooler and an input of the fuel cell stack, respectively.
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| CN202021029279.3U CN212667175U (en) | 2020-06-08 | 2020-06-08 | Cooling liquid circulating system of hydrogen fuel cell engine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113258097A (en) * | 2021-04-22 | 2021-08-13 | 四川荣创新能动力系统有限公司 | Control method of marine hydrogen fuel cell cooling system |
| CN113611898A (en) * | 2021-08-09 | 2021-11-05 | 潍柴动力股份有限公司 | Fuel cell engine coolant temperature control method and fuel cell engine |
| CN113793947A (en) * | 2021-08-03 | 2021-12-14 | 广东电网有限责任公司广州供电局 | Fuel cell waste heat utilization system and energy system |
| CN113937325A (en) * | 2021-09-08 | 2022-01-14 | 佛山仙湖实验室 | Thermal management control method for fuel cell engine |
| CN115249828A (en) * | 2022-09-21 | 2022-10-28 | 苏州中车氢能动力技术有限公司 | Fuel cell inlet air and inlet water temperature control system and method and new energy automobile |
| CN115579492A (en) * | 2022-10-31 | 2023-01-06 | 上海汉翱新能源科技有限公司 | Method and system for controlling working temperature of hydrogen fuel cell |
| CN116014175A (en) * | 2022-12-27 | 2023-04-25 | 中国航天空气动力技术研究院 | Expansion water tank structure for fuel cell heat dissipation system and heat dissipation system |
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2020
- 2020-06-08 CN CN202021029279.3U patent/CN212667175U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113258097A (en) * | 2021-04-22 | 2021-08-13 | 四川荣创新能动力系统有限公司 | Control method of marine hydrogen fuel cell cooling system |
| CN113793947A (en) * | 2021-08-03 | 2021-12-14 | 广东电网有限责任公司广州供电局 | Fuel cell waste heat utilization system and energy system |
| CN113793947B (en) * | 2021-08-03 | 2023-11-14 | 广东电网有限责任公司广州供电局 | Fuel cell waste heat utilization system and energy system |
| CN113611898A (en) * | 2021-08-09 | 2021-11-05 | 潍柴动力股份有限公司 | Fuel cell engine coolant temperature control method and fuel cell engine |
| CN113937325A (en) * | 2021-09-08 | 2022-01-14 | 佛山仙湖实验室 | Thermal management control method for fuel cell engine |
| CN115249828A (en) * | 2022-09-21 | 2022-10-28 | 苏州中车氢能动力技术有限公司 | Fuel cell inlet air and inlet water temperature control system and method and new energy automobile |
| CN115249828B (en) * | 2022-09-21 | 2022-12-27 | 苏州中车氢能动力技术有限公司 | Fuel cell inlet air and inlet water temperature control system and method and new energy automobile |
| CN115579492A (en) * | 2022-10-31 | 2023-01-06 | 上海汉翱新能源科技有限公司 | Method and system for controlling working temperature of hydrogen fuel cell |
| CN115579492B (en) * | 2022-10-31 | 2023-12-22 | 上海汉翱新能源科技有限公司 | Method and system for controlling working temperature of hydrogen fuel cell |
| CN116014175A (en) * | 2022-12-27 | 2023-04-25 | 中国航天空气动力技术研究院 | Expansion water tank structure for fuel cell heat dissipation system and heat dissipation system |
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Effective date of registration: 20210526 Address after: 350000 No.8, Dongjiang West Road, Liren Industrial Zone, Hangcheng street, Changle District, Fuzhou City, Fujian Province Patentee after: Fujian Snowman Hydrogen Technology Co.,Ltd. Address before: 350000 No.8, Dongjiang West Road, Liren Industrial Zone, Hangcheng street, Changle District, Fuzhou City, Fujian Province Patentee before: Fuzhou Snowman New Energy Technology Co.,Ltd. |