CN111525163A - Fuel cell cooling water diversion device and control method thereof - Google Patents
Fuel cell cooling water diversion device and control method thereof Download PDFInfo
- Publication number
- CN111525163A CN111525163A CN202010357188.0A CN202010357188A CN111525163A CN 111525163 A CN111525163 A CN 111525163A CN 202010357188 A CN202010357188 A CN 202010357188A CN 111525163 A CN111525163 A CN 111525163A
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- Prior art keywords
- shell
- cooling water
- pipe
- tail gas
- radiating pipe
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Classifications
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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
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0662—Treatment of gaseous reactants or gaseous residues, e.g. cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/265—Drying gases or vapours by refrigeration (condensation)
-
- 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
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04828—Humidity; Water content
- H01M8/04843—Humidity; Water content of fuel cell exhausts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The invention discloses a cooling water distribution device of a fuel cell and a control method thereof. The invention comprises a shell, a radiating pipe and a primary water catcher, wherein the shell is in a cylindrical hollow structure, the shell is in a closed structure, and the radiating pipe is arranged in the shell; the bottom of the shell is provided with a condensate water drainage electromagnetic valve, the outer wall surface of the bottom of the shell is provided with a tail gas inlet pipe, the tail gas inlet pipe is communicated with the shell, the tail gas inlet pipe is close to the bottom of the shell, a radiating pipe is arranged in the shell, and the radiating pipe is formed by spirally winding a round pipe; both ends of the radiating pipe penetrate out from the bottom of the inner part of the shell to the outside.
Description
Technical Field
The invention relates to the technical field of chemical equipment, in particular to a cooling water distribution device of a fuel cell and a control method thereof.
Background
The fuel cell is a novel clean energy, only a few enterprises and scientific research institutions exist before 2019, the technology is mastered by military industry and aerospace, and a testing device and testing equipment are relatively simple, mainly have main functions, and are not controlled in place, inaccurate and imperfect in the whole testing process. Considering the purity of hydrogen products and the grade requirements of equipment, all equipment should be made of corrosion-resistant materials, and impurities cannot be generated after long-term use, so that the existing industrial products do not have the products. The tail gas generated in the test is basically not treated, and most of the tail gas is directly discharged out of the room. Hydrogen is combustible gas and needs to be discharged from high altitude, tail gas is humidified by 100 percent and contains a large amount of moisture, water needs to be separated, otherwise, the water drops or flows backwards through the exhaust port, and serious results are caused.
Chinese patent publication No. CN101323247 discloses a dilution device for hydrogen discharged from a fuel cell bus, which comprises a cylindrical main body, staggered baffles in the cylindrical main body, a photoelectric sensor, a fan, a hydrogen tail exhaust pipe and the like, wherein a plurality of baffles can make the hydrogen-air mixture more uniform, thereby avoiding that the concentration of hydrogen in the mixture is locally too large, but the scheme does not have a cooling and water distributing mechanism. Chinese patent publication No. CN110124436 discloses a water-dividing heating device to be installed at a low point of hydrogen, but without a cooling function, hydrogen enters from the upper opening of the device, and exits from the upper opening, and only part of the liquefied water vapor can be removed. And on the premise of large flow, the effect is worse. Chinese patent No. CN109361003 discloses a humidity control water separator for a fuel cell, aiming at providing a water separator for the fuel cell which has the functions of gas pressurization and cooling, can automatically adjust the water separation amount and control the gas humidity according to the requirement, and the device is suitable for a hydrogen water separation part before the backflow of a galvanic pile and is internally provided with a pressurization part. The device cannot be used in a galvanic pile test bench aiming at providing the best test condition of the galvanic pile, and the experimental temperature reduction can not be controlled.
Furthermore, none of the known devices and apparatuses meet the functional requirements of a fuel cell stack test stand. The performance test and the service life test of the fuel cell require a fuel cell test bench which is generally used for indoor test, the tail row is discharged at high altitude as required, and a certain distance is required to be away from a human contactable area. The tail gas of the testing equipment can be low pressure or high pressure, the flow rate can be 1 liter/MIN or 5000 liters/MIN or more, and the smooth discharge of the gas must be ensured without detention or other, so as to prevent the influence on the front-end test. The treatment of tail gas mainly involves high temperature, water liquefaction and hydrogen emission. Aiming at the temperature reduction and the dehydration of the tail gas, the tail gas water-diversion cooling system is finally developed and invented after several experimental adjustments. The tail gas can be discharged from high altitude through the treatment of the system, and the moisture can be removed and the temperature can be reduced.
Disclosure of Invention
The invention aims to provide a fuel cell cooling and water distributing device, which is a special tail gas water distributing and cooling device for a fuel cell stack test bench aiming at the functional requirements of a test stack and the actual conditions in the test process.
In order to achieve the purpose, the invention provides the following technical scheme:
the fuel cell cooling water distribution device comprises a shell, a radiating pipe and a primary water catcher; the shell is a cylindrical hollow structure, the shell is a closed structure, and a radiating pipe is arranged in the shell; a main drainage pipeline is arranged at the bottom of the shell, a condensate water drainage electromagnetic valve is arranged on the main drainage pipeline, a tail gas inlet pipe is arranged on the outer wall surface close to the bottom of the shell and communicated with the shell, the tail gas inlet pipe is close to the bottom of the shell, a radiating pipe is arranged in the shell and is formed by circling a round pipe; two ends of the radiating pipe penetrate out of the bottom of the inner part of the shell, two ends of the radiating pipe are respectively provided with a cooling water outlet and a cooling water inlet, the radiating pipe is divided into a long radiating pipe and a short radiating pipe, the upper part of the short radiating pipe is provided with a primary water catcher, the primary water catcher is of an annular net-shaped structure, and the primary water catcher is sleeved on the long radiating pipe and is arranged on the upper part of the short radiating pipe; an electronic liquid level meter is arranged on the outer wall surface of the first cooling module; the second-stage water catcher is in a circular net structure and is arranged at the top of the long radiating pipe, a distance is reserved between the second-stage water catcher and the top of the first temperature module, and a tail gas exhaust pipe is arranged at the upper part of the shell and communicated with the shell; the two ends of the radiating pipe respectively extend out of the shell from the bottom of the shell, the outlets of the external radiating pipe at the bottom of the shell are respectively a cooling water outlet and a cooling water inlet, and the pipelines where the cooling water outlet and the cooling water inlet are located are respectively provided with a cooling water outlet electromagnetic valve and a cooling water inlet electromagnetic valve; a first temperature sensor is installed at the edge of the upper end of the tail gas exhaust pipe, a pressure sensor is installed on the tail gas exhaust pipe, the pressure sensor is arranged on the lower portion of the first temperature sensor, and a second temperature sensor is installed on the tail gas inlet pipe.
The control method of the fuel cell cooling water diversion device comprises the following steps:
firstly, the air is charged into the galvanic pile and the tail gas is discharged from the galvanic pile outlet.
Step two, temperature judgment: when the temperature of the tail gas inlet pipe exceeds 45 ℃, the electromagnetic valve of the cooling water inlet is opened; when the duty ratio is 4/16, starting a cold water circulation, performing cooling, and entering a third step; when the temperature of the tail gas inlet pipe does not exceed 45 ℃, the electromagnetic valve 17 of the cooling water inlet is closed;
thirdly, pressure judgment: a pressure sensor is arranged at the cooling water inlet, and when the pressure detected by the pressure sensor on the tail gas exhaust pipe exceeds 10Kpa, the exhaust pressure is judged to be abnormal, and an alarm is given; when the detected pressure does not exceed 10Kpa, entering a fourth step;
fourthly, temperature judgment: when a temperature sensor on the exhaust pipe of the tail gas detects that the temperature of the outlet of the tail gas is not over 55 ℃, the electromagnetic valve of the outlet of the cooling water is normally opened, and when the duty ratio is 4/16, cooling is executed; when the temperature exceeds 55 ℃, and the high-frequency duty ratio of the cooling water outlet electromagnetic valve is 10/16, the cold water circulation is opened or normally opened, and the opening of the ball valve is automatically prompted to be adjusted.
Compared with the prior art, the invention has the beneficial effects that: the fuel cell water-diversion cooling system realizes the effect of tail gas temperature reduction and water diversion, and intensively processes liquid condensate water, thereby reducing the requirement of outdoor facilities. The temperature of the tail gas can be reduced to more than 15 ℃ by a test board or test equipment provided with the system, and the relative humidity in the tail gas can be reduced to about 60% from 100%. The test board with the system can discharge hydrogen tail gas and air tail gas at high altitude, and an external pipeline does not need special treatment and has no high-temperature risk.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of the primary water trap of the present invention;
FIG. 4 is a schematic structural view of a two-stage water trap according to the present invention;
FIG. 5 is a schematic view of the heat pipe of the present invention;
fig. 6 is a diagram showing the control principle of the present invention.
In the figure: 1. tail gas intake pipe, 2, cooling water outlet, 3, cooling water inlet, 4, condensate water drainage solenoid valve, 5, electronic level gauge, 6, elementary hydrophone of catching, 7, second grade water catcher, 8, tail gas blast pipe, 9, long cooling tube, 10, short cooling tube, 16, cooling water outlet solenoid valve, 17, cooling water inlet solenoid valve, 18, shell, 19, PLC, 20, temperature sensor one, 21, pressure sensor, 22, temperature sensor two, 23, main drainage pipeline.
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.
Referring to fig. 1-6, the present invention provides a technical solution: the fuel cell water diversion cooling system mainly comprises a tail gas inlet pipe 1, a cooling water outlet 2, a cooling water inlet 3, a condensed water drainage electromagnetic valve 4, an electronic liquid level meter 5, a primary water catcher 6, a secondary water catcher 7 and the like. The PLC19 is respectively connected with the condensed water drainage electromagnetic valve 4, the electronic liquid level meter 5, the first temperature sensor 20, the pressure sensor 21, the second temperature sensor 22, the cooling water outlet electromagnetic valve 16 and the cooling water inlet electromagnetic valve 17, and the connection relationship between the PLC19 and other components is not shown in figures 1-2. The radiating pipe is formed by winding a circular pipe, and is divided into a long radiating pipe 9 and a short radiating pipe 10, and the structure of the radiating pipe is conventional and will not be described in detail. The PLC19 controls the operation of the whole test system, signals sent by the first temperature sensor 20, the pressure sensor 21 and the second temperature sensor 22, and controls the actions of functional devices such as the cooling water outlet electromagnetic valve 16, the cooling water inlet electromagnetic valve 17 and the like. After tail gas gets into tail gas intake pipe 1, through long cooling tube 9 and short cooling tube 10 cooling back, through elementary hydrophone 6 of catching, most water can be got rid of at this step, and tail gas is once more behind second grade water catcher 7, carries out the secondary cooling and divides water. When the tail gas enters the cavity connected with the outdoor space, the temperature is reduced and the water is separated again. The temperature and pressure of the exhaust gas at the exhaust outlet can be controlled by the control system, and the PLC19 will open the solenoid valve according to the setting, specifically, when the fuel cell test platform inputs the command to load, the temperature of the fuel cell stack reaches the target temperature. When the test bench is required to cool and radiate, the PLC19 is automatically turned on, the first temperature sensor 20, the pressure sensor 21, the second temperature sensor 22, the cooling water outlet electromagnetic valve 16 and the cooling water inlet electromagnetic valve 17 allow cooling water to enter the long radiating pipe 9 and the short radiating pipe 10, the temperature of inlet and outlet air is monitored, the flow of inlet and outlet water is adjusted, and the distribution flow of the cooling water can be adjusted according to a manual ball valve. When the top level in the diversion tank is reached, the PLC19 will open the condensate drain solenoid valve 4 and the condensate drain will drain into the test stand main drain line 23. The cooling water outlet 2 is provided with a cooling water outlet electromagnetic valve 16, if the exhaust is not smooth, the pressure can be increased, the PLC19 can give an alarm, the exhaust abnormality is prompted, and the test is stopped.
The control method of the fuel cell cooling water distribution device specifically comprises the following steps:
firstly, the air is charged into the galvanic pile and the tail gas is discharged from the galvanic pile outlet.
Step two, temperature judgment: when the temperature of the tail gas inlet pipe 1 exceeds 45 ℃, the cooling water inlet electromagnetic valve 17 is opened; when the duty ratio is 4/16, starting a cold water circulation, performing cooling, and entering a third step; when the temperature of the tail gas inlet pipe 1 is not more than 45 ℃, the electromagnetic valve 17 of the cooling water inlet is closed;
thirdly, pressure judgment: the cooling water inlet 3 is provided with a pressure sensor, when the pressure detected by the pressure sensor 21 on the exhaust pipe 8 exceeds 10Kpa, the exhaust pressure is judged to be abnormal, and an alarm is given; when the detected pressure does not exceed 10Kpa, entering a fourth step;
fourthly, temperature judgment: when the first temperature sensor 20 on the exhaust pipe 8 detects that the temperature of the exhaust outlet does not exceed 55 ℃, the cooling water outlet electromagnetic valve is normally opened, and when the duty ratio is 4/16, cooling is performed; when the temperature exceeds 55 ℃, and the high-frequency duty ratio of the cooling water outlet electromagnetic valve 16 is 10/16, the cold water circulation is opened or normally opened, and the adjustment of the opening degree of the ball valve is automatically prompted.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. Fuel cell cooling water diversion device, including shell (18), cooling tube and elementary water trap (6), its characterized in that: the shell (18) is a cylindrical hollow structure, the shell (18) is a closed structure, and a radiating pipe is arranged in the shell (18); a main drainage pipeline (23) is arranged at the bottom of the shell (18), a condensed water drainage electromagnetic valve (4) is arranged on the main drainage pipeline (23), a tail gas inlet pipe (1) is arranged on the outer wall surface of the bottom close to the shell (18), the tail gas inlet pipe (1) is communicated with the shell (18), the tail gas inlet pipe (1) is close to the bottom of the shell (18), a radiating pipe is arranged in the shell (18), and the radiating pipe is formed by spirally winding a round pipe; two ends of the radiating pipe penetrate out of the bottom of the interior of the shell (18), two ends of the radiating pipe are respectively provided with a cooling water outlet (2) and a cooling water inlet (3), the radiating pipe is divided into a long radiating pipe (9) and a short radiating pipe (10), the upper part of the short radiating pipe (10) is provided with a primary water catcher (6), the primary water catcher (6) is of an annular net-shaped structure, and the primary water catcher (6) is sleeved on the long radiating pipe (9) and is arranged on the upper part of the short radiating pipe (10); an electronic liquid level meter (5) is arranged on the outer wall surface of the first cooling module (11); the secondary water catcher (7) is of a circular net structure, the secondary water catcher (7) is arranged at the top of the long radiating pipe (9), a distance is reserved between the secondary water catcher (7) and the top of the first temperature module (11), a tail gas exhaust pipe (8) is arranged at the upper part of the shell (18), and the tail gas exhaust pipe (8) is communicated with the shell (18); two ends of the radiating pipe respectively extend out of the shell (18) from the bottom of the shell (18), outlets of the radiating pipe outside the bottom of the shell (18) are a cooling water outlet (2) and a cooling water inlet (3), and pipelines where the cooling water outlet (2) and the cooling water inlet (3) are located are respectively provided with a cooling water outlet electromagnetic valve (16) and a cooling water inlet electromagnetic valve (17); a first temperature sensor (20) is installed at the edge of the upper end of the tail gas exhaust pipe (8), a pressure sensor (21) is installed on the tail gas exhaust pipe (8), the pressure sensor (21) is arranged on the lower portion of the first temperature sensor (20), and a second temperature sensor (22) is installed on the tail gas inlet pipe (1).
2. The method for controlling the cooling water diversion apparatus of the fuel cell according to claim 1, characterized in that: the method comprises the following steps:
firstly, the air is charged into the galvanic pile and the tail gas is discharged from the galvanic pile outlet.
Step two, temperature judgment: when the temperature of the tail gas inlet pipe (1) exceeds 45 ℃, the cooling water inlet electromagnetic valve (17) is opened; when the duty ratio is 4/16, starting a cold water circulation, performing cooling, and entering a third step; when the temperature of the tail gas inlet pipe 1 is not more than 45 ℃, the electromagnetic valve 17 of the cooling water inlet is closed;
thirdly, pressure judgment: a pressure sensor is arranged at the cooling water inlet (3), when the pressure detected by the pressure sensor (21) on the tail gas exhaust pipe 8 exceeds 10Kpa, the exhaust pressure is judged to be abnormal, and an alarm is given; when the detected pressure does not exceed 10Kpa, entering a fourth step;
fourthly, temperature judgment: when a temperature sensor I (20) on the exhaust pipe (8) detects that the temperature of the exhaust outlet does not exceed 55 ℃, the cooling water outlet electromagnetic valve is normally opened, and when the duty ratio is 4/16, cooling is performed; when the temperature exceeds 55 ℃, and the high-frequency duty ratio of the cooling water outlet electromagnetic valve (16) is 10/16, the cold water circulation is opened or normally opened, and the opening of the ball valve is automatically prompted to be adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010357188.0A CN111525163A (en) | 2020-04-29 | 2020-04-29 | Fuel cell cooling water diversion device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010357188.0A CN111525163A (en) | 2020-04-29 | 2020-04-29 | Fuel cell cooling water diversion device and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111525163A true CN111525163A (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010357188.0A Withdrawn CN111525163A (en) | 2020-04-29 | 2020-04-29 | Fuel cell cooling water diversion device and control method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN111525163A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114335608A (en) * | 2020-09-29 | 2022-04-12 | 宝能汽车集团有限公司 | Condensation humidifier, condensation humidification component and control method for fuel cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005183117A (en) * | 2003-12-18 | 2005-07-07 | Toshiba Home Technology Corp | Fuel cell device |
| CN1815788A (en) * | 2005-02-01 | 2006-08-09 | 上海神力科技有限公司 | Fuel cell with high operation stability |
| CN2859508Y (en) * | 2006-01-23 | 2007-01-17 | 魏东 | Assembled microminiature water cooler |
| US20070212582A1 (en) * | 2004-08-06 | 2007-09-13 | Matsushita Electric Industrial Co., Ltd. | Fuel Cell System |
| CN109768307A (en) * | 2019-03-14 | 2019-05-17 | 中山大洋电机股份有限公司 | The detection of fuel cell last row density of hydrogen and mixed diluting device and new-energy automobile |
| CN110336056A (en) * | 2019-08-16 | 2019-10-15 | 南通百应能源有限公司 | Steam-water separator and its fuel cell system |
-
2020
- 2020-04-29 CN CN202010357188.0A patent/CN111525163A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005183117A (en) * | 2003-12-18 | 2005-07-07 | Toshiba Home Technology Corp | Fuel cell device |
| US20070212582A1 (en) * | 2004-08-06 | 2007-09-13 | Matsushita Electric Industrial Co., Ltd. | Fuel Cell System |
| CN1815788A (en) * | 2005-02-01 | 2006-08-09 | 上海神力科技有限公司 | Fuel cell with high operation stability |
| CN2859508Y (en) * | 2006-01-23 | 2007-01-17 | 魏东 | Assembled microminiature water cooler |
| CN109768307A (en) * | 2019-03-14 | 2019-05-17 | 中山大洋电机股份有限公司 | The detection of fuel cell last row density of hydrogen and mixed diluting device and new-energy automobile |
| CN110336056A (en) * | 2019-08-16 | 2019-10-15 | 南通百应能源有限公司 | Steam-water separator and its fuel cell system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114335608A (en) * | 2020-09-29 | 2022-04-12 | 宝能汽车集团有限公司 | Condensation humidifier, condensation humidification component and control method for fuel cell |
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Application publication date: 20200811 |
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