CN218240754U - Fuel cell test platform steam rapid humidification temperature regulating device - Google Patents
Fuel cell test platform steam rapid humidification temperature regulating device Download PDFInfo
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- CN218240754U CN218240754U CN202221893870.2U CN202221893870U CN218240754U CN 218240754 U CN218240754 U CN 218240754U CN 202221893870 U CN202221893870 U CN 202221893870U CN 218240754 U CN218240754 U CN 218240754U
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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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Abstract
The utility model discloses a quick humidification temperature regulating device of fuel cell test platform steam, including gas flow controller, one side and the fixed intercommunication of three-way valve of gas flow controller, the three-way valve is the normal atmospheric temperature dry gas input mechanism who is used for normal atmospheric temperature dry gas to carry and is used for the overheated high-pressure gas input mechanism that overheated high-pressure gas carried with the gaseous reposition of redundant personnel of gas flow controller transport. The utility model discloses utilize venturi effect and high temperature atomizer, under overheated high-pressure gas's drawing effect, realize the mixture of overheated high-pressure gas and overheated saturated vapor, mix with the normal atmospheric temperature dry gas again, accomplish three routes gas flow, temperature, humidity control, afterwards alright according to the different operating condition of fuel cell pile, quick, accurate regulation gas flow, pressure, temperature and humidity solve fuel cell test rack air feed humiture response slow, control accuracy is poor, the untimely problem of gas pressure response.
Description
Technical Field
The utility model relates to a fuel cell technical field specifically is a quick humidification temperature regulating device of fuel cell test platform steam.
Background
A fuel cell system refers to a system that is used for vehicles, yachts, aerospace and underwater power equipment, etc., as a driving power source or auxiliary power, and converts chemical energy of reactants (fuel and oxidant) into electric energy and heat energy through an electrochemical reaction process. The proton exchange membrane fuel cell is most widely used, and in order to ensure that a proton exchange membrane fuel cell system operates efficiently in an optimal environment, the provided reaction gas needs to be heated, humidified and the like, so that how to accurately and rapidly control the temperature and the humidity of the reaction gas is particularly important, and the generation of liquid water needs to be prevented in the aspect of humidity control.
When the fuel cell utilizes the test platform to test the fuel cell, the temperature, the humidity and the conveying pressure in the test platform need to be accurately controlled, single-strand steam conveying is utilized in the process of traditional temperature and humidity control, the conveying mode has slow reaction and relatively long adjusting time in the process of temperature and humidity adjustment, and therefore normal operation of the fuel cell test platform is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a quick humidification temperature regulating device of fuel cell test platform steam to solve the problem that provides in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a quick humidification temperature regulating device of fuel cell test platform steam, includes gas flow controller, three-way valve, ejector and overheated saturated vapor input mechanism, one side and the fixed intercommunication of three-way valve of gas flow controller, the three-way valve is the normal atmospheric temperature dry gas input mechanism that is used for the normal atmospheric temperature dry gas to carry and is used for the overheated high-pressure gas input mechanism that the overheated high-pressure gas carried with the gas reposition of redundant personnel that gas flow controller carried, the one end of overheated high-pressure gas input mechanism extends to the incident point department of ejector, the one end of normal atmospheric temperature dry gas input mechanism extends to the back end hybrid tube of ejector, the backward flow mouth position of ejector with be used for carrying out the fixed intercommunication of overheated saturated vapor input mechanism that carries out the transport to overheated saturated vapor, the back end hybrid tube and the fixed intercommunication of output tube of ejector, overheated saturated vapor input mechanism is including deionization water holding vessel and evaporating pot, evaporating pot and plasma water holding vessel intercommunication each other, and the top of evaporating pot and the backward flow mouth position of ejector are fixed to be communicated, the inside of evaporating pot is provided with multiunit water heater.
Further, one side of deionized water holding vessel has first conveyer pipe through the fixed intercommunication of measuring pump, the one end of first conveyer pipe has the second conveyer pipe through the fixed intercommunication of water flowmeter, the one end that water flowmeter was kept away from to the second conveyer pipe extends to the inside of evaporating pot, the fixed intercommunication in bottom of deionized water holding vessel has the drain pipe, the external fixed surface intercommunication of drain pipe has the third conveyer pipe, the one end of third conveyer pipe has the fourth conveyer pipe through the fixed intercommunication of solenoid valve, the one end that the solenoid valve was kept away from to the fourth conveyer pipe runs through the inside that extends to the evaporating pot, the top of evaporating pot and the fixed intercommunication of backward flow mouth of ejector.
Further, normal atmospheric temperature dry gas input mechanism includes fifth conveyer pipe, sixth conveyer pipe and proportion control valve, the one end of fifth conveyer pipe and the fixed intercommunication in one end gas outlet of three-way valve, the one end that the three-way valve was kept away from to the fifth conveyer pipe is through the fixed intercommunication of proportion control valve and sixth conveyer pipe, the one end that the proportion control valve was kept away from to the sixth conveyer pipe extends to the rear portion mixing tube of ejector inside.
Further, overheated high-pressure gas input mechanism includes seventh conveyer pipe, gaseous electric heater and eighth conveyer pipe, the one end of seventh conveyer pipe and the other end gas outlet of three-way valve are fixed to be communicated, the one end that the three-way valve was kept away from to the seventh conveyer pipe is passed through gaseous electric heater and is fixed to be communicated with the eighth conveyer pipe, the one end that gaseous electric heater was kept away from to the eighth conveyer pipe extends to the incident department of ejector.
Further, the inside of evaporating pot is provided with the shunt tubes, the one end and the fixed intercommunication of second conveyer pipe of shunt tubes, the fixed intercommunication in bottom of shunt tubes has multiunit atomizer.
Further, the junction of evaporating pot and ejector is provided with temperature sensor, eighth conveyer pipe surface is provided with temperature sensor and pressure sensor, the surface of output tube is provided with pressure regulating valve, the surface of output tube and the one side that is located pressure regulating valve have set gradually temperature sensor, pressure sensor and humidity transducer.
Furthermore, the outer surfaces of the normal-temperature dry gas input mechanism, the superheated saturated steam input mechanism, the deionized water storage tank, the evaporating tank, the first conveying pipe, the second conveying pipe, the third conveying pipe and the fourth conveying pipe are all wrapped with heat insulation layers.
Furthermore, the bottom of one side of the deionized water storage tank is provided with a water replenishing pipe.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses utilize venturi effect and high temperature atomizer, under overheated high-pressure gas's injection effect, realize the mixture of overheated high-pressure gas and overheated saturated vapor, mix with normal atmospheric temperature dry gas again, accomplish three routes gas flow, temperature, humidity control, afterwards alright according to the different operating condition of fuel cell pile, it is quick, the accurate gas flow of adjusting, pressure, temperature and humidity, solve fuel cell test rack air feed humiture response slow, control accuracy is poor, the untimely problem of gas pressure response.
Drawings
Fig. 1 is a schematic view of the front view structure of the present invention.
In the figure: 1 gas flow controller, 2 three-way valve, 3 ejector, 4 normal temperature dry gas input mechanism, 5 overheated high pressure gas input mechanism, 6 overheated saturated vapor input mechanism, 7 output tube, 8 deionized water storage tank, 9 evaporating pot, 10 electric water heater, 11 shunt tubes, 12 atomizer, 13 metering pump, 14 first delivery pipe, 15 second delivery pipe, 16 water flowmeter, 17 drain pipe, 18 third delivery pipe, 19 fourth delivery pipe, 20 electromagnetic valve, 21 fifth delivery pipe, 22 sixth delivery pipe, 23 proportion regulating valve, 24 seventh delivery pipe, 25 gas electric heater, 26 eighth delivery pipe, 27 pressure regulating valve, 28 temperature sensor, 29 pressure sensor, 30 humidity sensor, 31 moisturizing pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a quick humidification temperature regulating device of fuel cell test platform steam, includes gas flow controller 1, three-way valve 2, ejector 3 and overheated saturated vapor input mechanism 6, one side and the fixed intercommunication of three-way valve 2 of gas flow controller 1, three-way valve 2 is the gas reposition of redundant personnel that gas flow controller 1 carried for the normal atmospheric temperature dry gas input mechanism 4 that is used for the normal atmospheric temperature dry gas to carry and is used for overheated high-pressure gas input mechanism 5 that carries, the incident department that one end of overheated high-pressure gas input mechanism 5 extends to ejector 3, the one end of normal atmospheric temperature dry gas input mechanism 4 extends to ejector 3's back end hybrid tube, ejector 3's backward flow mouth position with be used for carrying out the overheated saturated vapor input mechanism 6 fixed intercommunication that carry out, ejector 3's back end hybrid tube and the fixed intercommunication of output tube 7.
Under the action of the ejector 3, the superheated high-pressure gas input mechanism 5 for conveying the superheated high-pressure gas is mixed with the superheated saturated steam input mechanism 6 for conveying the superheated saturated steam under the ejection action of the ejector 3 of the superheated high-pressure gas, and then the superheated high-pressure gas input mechanism and the normal-temperature dry gas input mechanism 4 for conveying the normal-temperature dry gas are mixed in a rear-section mixing pipe of the ejector 3, so that three paths of gas flow, temperature and humidity control can be completed, the gas flow, pressure, temperature and humidity can be quickly and accurately adjusted according to different operation conditions of a fuel cell stack, and the problems of slow temperature and humidity response, poor control precision and untimely gas pressure response of gas supply of a fuel cell test bench are solved.
Referring to fig. 1, the superheated saturated steam input mechanism 6 includes a deionized water storage tank 8 and an evaporating tank 9, the inside of the evaporating tank 9 is provided with a plurality of groups of hydroelectric heaters 10, one side of the deionized water storage tank 8 is fixedly communicated with a first delivery pipe 14 through a metering pump 13, one end of the first delivery pipe 14 is fixedly communicated with a second delivery pipe 15 through a water flow meter 16, one end of the second delivery pipe 15, which is far away from the water flow meter 16, extends to the inside of the evaporating tank 9, the bottom of the deionized water storage tank 8 is fixedly communicated with a drain pipe 17, the outer surface fixing communication of the drain pipe 17 is communicated with a third delivery pipe 18, one end of the third delivery pipe 18 is fixedly communicated with a fourth delivery pipe 19 through a solenoid valve 20, one end of the fourth delivery pipe 19, which is far away from the solenoid valve 20, extends to the inside of the evaporating tank 9, the top of the evaporating tank 9 is fixedly communicated with a backflow port of the ejector 3, the inside of the evaporating tank 9 is provided with a diversion pipe 11, one end of the diversion pipe 11 is fixedly communicated with the second delivery pipe 15, and the bottom of the diversion pipe 11 is fixedly communicated with a plurality of groups of atomizing nozzles 12.
Wherein, the inside of evaporating pot 9 is provided with a plurality of electric heater 10 and atomizer 12, and the inside deionized water of deionized water holding vessel 8 can be carried to the inside of evaporating pot 9 through measuring pump 13 and first conveyer pipe 14 and second conveyer pipe 15, and the steam volume inside of evaporating pot 9 accessible test required gas dew point temperature and relative humidity calculate and get, and the little liquid drop of atomizing through atomizer 12 is evaporated into superheated saturated vapor by electric heater 10 high temperature rapidly, then alright mix with the high temperature dry gas in the inside of being inhaled ejector 3 because ejector 3's pressure differential.
Referring to fig. 1, the superheated high-pressure gas input mechanism 5 includes a seventh delivery pipe 24, an electric gas heater 25, and an eighth delivery pipe 26, wherein one end of the seventh delivery pipe 24 is fixedly communicated with the gas outlet at the other end of the three-way valve 2, one end of the seventh delivery pipe 24 away from the three-way valve 2 is fixedly communicated with the eighth delivery pipe 26 through the electric gas heater 25, and one end of the eighth delivery pipe 26 away from the electric gas heater 25 extends to the incident port of the ejector 3.
Normal atmospheric temperature dry gas input mechanism 4 includes fifth conveyer pipe 21, sixth conveyer pipe 22 and proportional control valve 23, the one end of fifth conveyer pipe 21 and the fixed intercommunication of one end gas outlet of three-way valve 2, the one end that three-way valve 2 was kept away from to fifth conveyer pipe 21 is through proportional control valve 23 and the fixed intercommunication of sixth conveyer pipe 22, the one end that proportional control valve 23 was kept away from to sixth conveyer pipe 22 extends to the rear portion mixing tube of ejector 3 inside.
The gas flow required by the detection platform is provided by the gas flow controller 1, one path of normal-temperature dry gas is branched out by the three-way valve 2, the normal-temperature dry gas is processed by the proportion adjusting valve 23 and then directly enters the mixing pipe at the rear section of the ejector 3, then the other path of dry gas conveyed by the three-way valve 2 is heated by the electric heater 25, then the overheated high-pressure gas heated by the electric heater 25 enters the incident port of the ejector 3, the overheated saturated water vapor in the evaporation tank 9 connected with the return port is sucked into the ejector 3 by the negative pressure generated by the high-pressure incident gas flow in the ejector 3, then the three paths of gas are fully mixed in the mixing pipe at the rear section of the ejector 3, wherein the normal-temperature dry gas can adjust the flow according to the gas temperature required by the proportion adjusting valve 23 test so as to achieve the purpose of quickly adjusting the rest two paths of overheated gas, and the subsequent pressure adjusting valve can be used for controlling the gas pressure required by the test.
The junction of evaporating pot 9 and ejector 3 is provided with temperature sensor 28, eighth conveyer pipe 26 surface is provided with temperature sensor 28 and pressure sensor 29, the surface of output tube 7 is provided with pressure regulating valve 27, the surface of output tube 7 just is located one side of pressure regulating valve 27 and has set gradually temperature sensor 28, pressure sensor 29 and humidity transducer 30.
Normal atmospheric temperature dry gas input mechanism 4, overheated saturated vapor input mechanism 6, deionized water storage tank 8, evaporating pot 9, first conveyer pipe 14, second conveyer pipe 15, third conveyer pipe 18 and fourth conveyer pipe 19's surface all wraps up there is the heat preservation, the heat preservation is chooseed for use and is kept warm cotton, and the setting up of heat preservation cotton can prevent that the gas circulation in-process heat scatters and disappears and lead to gas cooling, the vapor condensation.
The bottom of 8 one sides of deionized water holding vessel is provided with moisturizing pipe 31, and the setting of moisturizing pipe 31 can in time carry out timely replenishment to the inside deionized water of deionized water holding vessel 8.
When in use, firstly, under the action of the ejector 3, the overheated high-pressure gas input mechanism 5 for conveying the overheated high-pressure gas is mixed with the overheated saturated steam input mechanism 6 for conveying the overheated saturated steam under the ejection action of the ejector 3 of the overheated high-pressure gas, and then the overheated high-pressure gas is mixed with the normal-temperature dry gas input mechanism 4 for conveying the normal-temperature dry gas in the rear-section mixing pipe of the ejector 3, so that three-way gas flow, temperature and humidity control can be completed, then the gas flow, pressure, temperature and humidity can be quickly and accurately adjusted according to different operation conditions of a fuel cell stack, the problems of slow temperature and humidity response, poor control precision and untimely gas pressure response of a fuel cell test gas supply rack are solved, and a plurality of electric heaters 10 and atomizing nozzles 12 are arranged in the evaporation tank 9, deionized water in the deionized water storage tank 8 can be conveyed to the interior of the evaporation tank 9 through a metering pump 13, a first conveying pipe 14 and a second conveying pipe 15, the steam quantity in the evaporation tank 9 can be calculated through testing the required gas dew point temperature and relative humidity, the tiny liquid drops atomized by the atomizing nozzle 12 are quickly evaporated into superheated saturated steam at high temperature through the electric heater 10, then the superheated saturated steam can be sucked into the ejector 3 due to the pressure difference of the ejector 3 to be mixed with high-temperature dry gas, the gas flow required by the detection platform is provided by the gas flow controller 1, one path of normal-temperature dry gas is branched out by the three-way valve 2 and directly enters a mixing pipe at the rear section of the ejector 3 after being processed by the proportion adjusting valve 23, then the dry gas conveyed by the three-way valve 2 is heated by the electric heater 25, and then the superheated high-pressure gas heated by the electric heater 25 enters an incident port of the ejector 3, and the overheated saturated vapor in the evaporating pot 9 that will be connected with the backward flow mouth is inhaled inside ejector 3 to the negative pressure that produces because high-pressure incident air current in the ejector 3, and then three gas then can carry out intensive mixing in the inside of the back end mixing tube of ejector 3, and wherein the flow size can be adjusted according to the required gas temperature of ratio control valve 23 test to the dry gas of normal atmospheric temperature to reach the purpose of the quick adjustment of other two ways superheated gas, and subsequent pressure regulating valve then can be used for controlling the required gas pressure of test.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (8)
1. The utility model provides a quick humidification temperature regulating device of fuel cell test platform steam, includes gas flow controller (1), three-way valve (2), ejector (3) and overheated saturated vapor input mechanism (6), its characterized in that: one side and three-way valve (2) fixed intercommunication of gas flow controller (1), three-way valve (2) are the gaseous reposition of redundant personnel of gas flow controller (1) transport for being used for normal atmospheric temperature dry gas input mechanism (4) and be used for overheated high-pressure gas input mechanism (5) that the overheated high-pressure gas carried, the one end of overheated high-pressure gas input mechanism (5) extends to the incident opening department of ejector (3), the one end of normal atmospheric temperature dry gas input mechanism (4) extends to the back end hybrid tube of ejector (3), the backward flow mouth position of ejector (3) with be used for carrying out overheated saturated vapor input mechanism (6) fixed intercommunication of carrying out the overheated saturated vapor, the back end hybrid tube and output tube (7) fixed intercommunication of ejector (3), overheated saturated vapor input mechanism (6) are including going ionized water storage tank (8) and evaporating pot (9), evaporating pot (9) and deionized water storage tank (8) communicate with each other, and the top of evaporating pot (9) and the fixed intercommunication of ejector (3) the entrance position of ejector (9), evaporating pot (10) are provided with multiunit water and electricity.
2. The fuel cell test platform rapid humidification and temperature control device of claim 1, wherein: the fixed intercommunication of measuring pump (13) is passed through to one side of deionized water holding vessel (8) has first conveyer pipe (14), the one end of first conveyer pipe (14) is passed through water flowmeter (16) fixed intercommunication and is had second conveyer pipe (15), the one end that water flowmeter (16) were kept away from in second conveyer pipe (15) extends to the inside of evaporating pot (9), the fixed intercommunication in bottom of deionized water holding vessel (8) has drain pipe (17), the external fixed surface intercommunication of drain pipe (17) has third conveyer pipe (18), the one end of third conveyer pipe (18) is passed through solenoid valve (20) fixed intercommunication and is had fourth conveyer pipe (19), the one end that solenoid valve (20) were kept away from in fourth conveyer pipe (19) runs through the inside that extends to evaporating pot (9), the top of evaporating pot (9) and the fixed intercommunication of backward flow mouth of ejector (3).
3. The fuel cell test platform rapid humidification and temperature control device of claim 2, wherein: normal atmospheric temperature dry gas input mechanism (4) include fifth conveyer pipe (21), sixth conveyer pipe (22) and proportion control valve (23), the one end of fifth conveyer pipe (21) and the fixed intercommunication of the one end gas outlet of three-way valve (2), the one end that three-way valve (2) were kept away from in fifth conveyer pipe (21) is passed through proportion control valve (23) and is fixed the intercommunication with sixth conveyer pipe (22), the one end that proportion control valve (23) were kept away from in sixth conveyer pipe (22) extends to the back end mixing tube of ejector (3) inside.
4. The fuel cell test platform steam rapid humidification temperature control device of claim 3, wherein: the superheated high-pressure gas input mechanism (5) comprises a seventh conveying pipe (24), a gas electric heater (25) and an eighth conveying pipe (26), one end of the seventh conveying pipe (24) is fixedly communicated with a gas outlet at the other end of the three-way valve (2), one end, far away from the three-way valve (2), of the seventh conveying pipe (24) is fixedly communicated with the eighth conveying pipe (26) through the gas electric heater (25), and one end, far away from the gas electric heater (25), of the eighth conveying pipe (26) extends to a light incident opening of the ejector (3).
5. The fuel cell test platform steam rapid humidification temperature control device of claim 2, wherein: the inside of evaporating pot (9) is provided with shunt tubes (11), the fixed intercommunication of one end and second conveyer pipe (15) of shunt tubes (11), the fixed intercommunication in bottom of shunt tubes (11) has multiunit atomizer (12).
6. The fuel cell test platform steam rapid humidification temperature control device of claim 4, wherein: the junction of evaporating pot (9) and ejector (3) is provided with temperature sensor (28), eighth conveyer pipe (26) surface is provided with temperature sensor (28) and pressure sensor (29), the surface of output tube (7) is provided with pressure regulating valve (27), one side that the surface of output tube (7) just is located pressure regulating valve (27) has set gradually temperature sensor (28), pressure sensor (29) and humidity transducer (30).
7. The fuel cell test platform steam rapid humidification temperature control device of claim 6, wherein: and the outer surfaces of the normal-temperature dry gas input mechanism (4), the superheated saturated steam input mechanism (6), the deionized water storage tank (8), the evaporating tank (9), the first conveying pipe (14), the second conveying pipe (15), the third conveying pipe (18) and the fourth conveying pipe (19) are all wrapped with heat-insulating layers.
8. The fuel cell test platform steam rapid humidification temperature control device of claim 6, wherein: and a water replenishing pipe (31) is arranged at the bottom of one side of the deionized water storage tank (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221893870.2U CN218240754U (en) | 2022-07-21 | 2022-07-21 | Fuel cell test platform steam rapid humidification temperature regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221893870.2U CN218240754U (en) | 2022-07-21 | 2022-07-21 | Fuel cell test platform steam rapid humidification temperature regulating device |
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| Publication Number | Publication Date |
|---|---|
| CN218240754U true CN218240754U (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221893870.2U Active CN218240754U (en) | 2022-07-21 | 2022-07-21 | Fuel cell test platform steam rapid humidification temperature regulating device |
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| CN (1) | CN218240754U (en) |
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2022
- 2022-07-21 CN CN202221893870.2U patent/CN218240754U/en active Active
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