CN211427168U - Gas humidifying device of fuel cell test board - Google Patents
Gas humidifying device of fuel cell test board Download PDFInfo
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- CN211427168U CN211427168U CN201922264587.8U CN201922264587U CN211427168U CN 211427168 U CN211427168 U CN 211427168U CN 201922264587 U CN201922264587 U CN 201922264587U CN 211427168 U CN211427168 U CN 211427168U
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Abstract
The utility model provides a fuel cell testboard gas humidifying device. The device comprises a humidifying tank, a heating device, a water inlet unit, an air inlet unit, a temperature and humidity sensor and a spraying device; the humidifying tank is provided with a water inlet, an air inlet and an air outlet which are communicated with the interior of the humidifying tank, the water inlet and the air inlet are arranged at the lower end of the humidifying tank, the air inlet is positioned below the water surface in the humidifying tank, and the air outlet is arranged at the top end of the humidifying tank; heating device installs under the humidification jar surface of water to water in the heating humidification jar, the unit that admits air is linked together with the air inlet through the inlet line, installs the air inlet valve on the inlet line, and the unit that admits water is linked together through the water inlet of inlet line with the humidification jar, installs the inlet valve on the inlet line, and atomizer sets up at the humidification tank top, to the spraying in the humidification jar, and temperature and humidity sensor installs in gas outlet department. The device has high heating and humidifying efficiency and good effect, and the temperature and the humidity of the gas can be measured after humidification, thereby being beneficial to the performance test of the subsequent fuel cell.
Description
Technical Field
The utility model relates to a fuel cell technical field especially relates to a fuel cell testboard gas humidification device.
Background
The proton exchange membrane type fuel cell is a device for generating electricity by directly utilizing hydrogen and oxygen through electrochemical reaction, and the fuel cell technology is developed and popularized successively in various countries in the world due to low operation temperature, quick start, high energy density, low pollution and wide application range. Fuel cell water management is extremely important to the performance, efficiency, cold start, and life of the fuel cell. Proton exchange membrane need combine water just can keep the conductivity of proton in fuel cell operation in-process, consequently, humidify reaction gas, guarantee the moist of proton membrane, be indispensable to the proton conductivity ability of membrane, to reaction gas's humidification, to testing fuel cell pile performance, efficiency etc. crucial, how high-efficient to reaction gas heat and the humidification, especially important to testing fuel cell's performance index.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the above-mentioned not enough of current, provide one kind and heat humidification efficient, effectual a be used for fuel cell testboard gas humidification device.
The purpose of the utility model can be realized through the following technical scheme:
a gas humidifying device of a fuel cell test board comprises a humidifying tank, a heating device, a water inlet unit, an air inlet unit, a temperature and humidity sensor and a spraying device; the humidifying tank is provided with a water inlet, an air inlet and an air outlet which are communicated with the interior of the humidifying tank, the water inlet and the air inlet are arranged at the lower end of the humidifying tank, the air inlet is positioned below the water surface in the humidifying tank, and the air outlet is arranged at the top end of the humidifying tank; heating device installs under the humidification jar surface of water for the heating water in the humidification jar, the unit of admitting air pass through the air inlet pipeline with the air inlet is linked together, install the air inlet valve of opening or closing it on the air inlet pipeline, the unit of admitting air pass through the water inlet pipeline with the humidification jar the water inlet is linked together, install the water inlet valve of opening or closing it on the water inlet pipeline, atomizer sets up the humidification tank deck portion, to the inside spraying of humidification jar, temperature and humidity sensor installs gas outlet department.
Preferably, the humidifying tank is provided with a water outlet communicated with the interior of the humidifying tank, the spraying device comprises a water pump and a spray head, the water inlet end of the water pump is communicated with the water outlet through a pipeline, the water outlet end of the water pump is communicated with the spray head through a pipeline, and the spray head is arranged in the humidifying tank.
Preferably, a filler layer is uniformly paved at the bottom of the humidifying tank, and the air inlet is positioned at the bottom end of the humidifying tank.
Preferably, the filler layer is filled with glass beads.
Preferably, the glass beads have a particle size of 8 to 10 mm.
Preferably, a liquid level sensor for detecting the liquid level of the humidifying tank is further arranged in the humidifying tank.
Preferably, the air inlet valve and the water inlet valve are electromagnetic valves.
Preferably, the humidifying device further comprises a controller, and the controller is electrically connected with the air inlet valve, the water pump, the heating device, the temperature and humidity sensor and the liquid level sensor respectively.
Preferably, the controller includes data analysis module, water pump control module, valve control module and heating control module, valve control module, water pump control module and heating control module all with the data analysis module electricity is connected, data analysis module respectively with temperature and humidity sensor and level sensor electricity are connected, valve control module respectively with air inlet valve and intake valve electricity are connected, heating control module with the heating device electricity is connected, water pump control module with the water pump electricity is connected.
Preferably, the gas input into the humidification tank by the gas input unit is air or hydrogen.
The utility model discloses a fuel cell testboard gas humidifying device, simple structure, gas heat with humidification efficient, effectual, gaseous after the humidification device humidification, temperature and humidity can be measured, for follow-up mixing arrangement's humidity control provides accurate measurement, do benefit to follow-up performance test to fuel cell.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a gas humidifying device of a fuel cell test board of the present invention;
fig. 2 is a control schematic block diagram of a fuel cell test board gas humidifying device of the present invention.
The notation in the figure is:
1. a humidifying tank; 2. a heating device; 3. a water inlet unit; 4. an air intake unit; 5. a temperature and humidity sensor; 6. a water inlet pipeline; 7. a water inlet; 8. an air intake line; 9. an intake valve; 10. an air inlet; 11. an air outlet; 12. a liquid level sensor; 13. a filler layer; 14. a spraying device; 141. a water pump; 142. a spray head; 15. a water outlet; 16. a controller; 161. a data analysis module; 162. a water pump control module; 163. a valve control module; 164. a heating control module; 17. an alarm device; 18. a water inlet valve.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, the utility model discloses a fuel cell test board gas humidifying device, including humidification jar 1, heating device 2, water inlet unit 3, air inlet unit 4, temperature and humidity sensor 5 and atomizer 14, humidification jar 1 is equipped with water inlet 7, air inlet 10 and gas outlet 11 that communicate with its inside, and water inlet 7 and air inlet 10 all set up the lower extreme at humidification jar 1, and air inlet 10 is located the surface of water below in humidification jar 1, and gas outlet 11 sets up the top at humidification jar 1; heating device 2 installs under the 1 surface of water of humidification jar for heat the water in the humidification jar 1, it is linked together with air inlet 10 through air inlet pipeline 8 to admit air unit 4, install the air inlet valve 9 of opening or closing it on the air inlet pipeline 8, water inlet unit 3 is linked together through water inlet pipeline 6 and the water inlet 7 of humidification jar 1, install the water inlet valve 18 of opening or closing it on the water inlet pipeline 6, atomizer 14 sets up at humidification jar 1 top, to the inside spraying of humidification jar 1, temperature and humidity sensor 5 installs in gas outlet 11 departments, with the temperature and the humidity of detecting the 1 inside gas of humidification jar.
In practical application, the water inlet valve 18 on the water inlet pipeline 6 is opened, the water inlet unit 3 adds water into the humidification tank 1 through the water inlet pipeline 6, the liquid level of the humidification tank 1 rises, when the liquid level rises to a certain value, the water inlet valve 18 is closed, the air inlet valve 9 on the air inlet pipeline 8 is opened, and the air inlet unit 4 conveys gas into the humidification tank 1; the heating device 2 is turned on, the heating device 2 heats water in the humidifying tank 1, the spraying device 14 sprays fine water mist into the humidifying tank 1, the water mist is preheated and evaporated into water vapor, the humidifying effect on the gas in the humidifying tank 1 is strengthened, the temperature and the humidity of the gas are detected by the temperature and humidity sensor 5 after the gas is heated and humidified, the power and the heating time of the heating device are adjusted, the temperature of the gas in the humidifying tank 1 is controlled at a temperature set value, the relative humidity is controlled at a humidity set value, the liquid level of the humidifying tank 1 is reduced along with the evaporation of the moisture, when the liquid level is reduced to a certain value, the water inlet valve 18 on the water inlet pipeline 6 is opened, the moisture is supplemented into the humidifying tank 1, and the liquid level of the humidifying tank 1 is kept in a certain range.
The types of the temperature and humidity sensor 5 may be various, and are not limited herein, and the temperature and humidity sensor 5 used in this embodiment may be a commercially available product in the existing market, for example, the temperature and humidity sensor with the type TH 10S-B.
The utility model discloses a fuel cell testboard gas humidifying device, simple structure, gas heat with humidification efficient, effectual, gaseous after the humidification device humidification, temperature and humidity can be measured, for follow-up mixing arrangement's humidity control provides accurate measurement, do benefit to follow-up performance test to fuel cell.
The bottom of the humidifying tank 1 can be uniformly paved with a filler layer 13, the air inlet 7 is positioned at the bottom end of the humidifying tank 1, and the air introduced into the humidifying tank 1 can penetrate through the filler layer 13 from bottom to top to form small bubbles in water, so that heat conduction is accelerated, the heating efficiency can be improved, a good heating effect is generated, and energy is saved; and the gas can be fully mixed with water in the upward movement process, so that the gas is wetted by the water, and the humidity of the gas is increased.
The filler in the filler layer 13 can be glass beads, and the particle size can be 8-10mm, so that a sufficient number of small bubbles are generated in the process of gas passing through the filler layer 13, and the heating effect and efficiency are improved.
The gas humidifying device may further include a liquid level sensor 12 disposed in the humidifying tank 1 to detect the liquid level of the humidifying tank 1, the type of the liquid level sensor 12 may be various, and is not limited herein, and the liquid level sensor 12 used in the present embodiment may be a commercially available product, for example, a liquid level sensor of type SIN-P260.
The gas input into the humidifying tank 1 by the gas inlet unit 4 can be air, and the gas humidifying device heats and humidifies the air to obtain saturated humid air for subsequent testing of the performance and indexes of the anode of the fuel cell; in another possible implementation manner, the gas introduced into the humidification tank 1 may be hydrogen, and the gas humidification device heats and humidifies the hydrogen to obtain saturated wet hydrogen at a certain temperature for subsequent testing of the performance and the index of the cathode of the fuel cell.
As shown in fig. 2, in order to realize the automatic control function of the gas humidifying device, both the air inlet valve 9 and the water inlet valve 18 may be electromagnetic valves, and the gas humidifying device may further include a controller 16, wherein the controller 16 is electrically connected to the air inlet valve 9, the water inlet valve 18, the water pump 141, the heating device 2, the temperature and humidity sensor 5, and the liquid level sensor 12, respectively.
The controller 16 may include a data analysis module 161, a water pump control module 162, a valve control module 163, and a heating control module 164, where the valve control module 163 and the heating control module 164 are both electrically connected to the data analysis module 161, the data analysis module 161 is electrically connected to the temperature and humidity sensor 5 and the liquid level sensor 12, respectively, the valve control module 163 is electrically connected to the intake valve 9 and the intake valve 18, the heating control module 164 is electrically connected to the heating device 2, and the water pump control module 162 is electrically connected to the water pump 141.
The gas humidifying device can further comprise an alarm device 17, the alarm device 17 is electrically connected with the data analysis module 161, when the temperature detected by the data analysis module 161 exceeds a temperature set value, or the humidity exceeds a humidity set value, or the liquid level is not in a liquid level range formed by a low liquid level set value and a high liquid level set value, the data analysis module 161 sends an instruction to the alarm device 17, the alarm device 17 sends an alarm signal, in the embodiment, an audible and visual alarm can be used, and people can be reminded to pay attention to the liquid level of the gas humidifying tank 1 and the temperature and the humidity of the gas in the humidifying tank 1 by sending sound and light.
In practical application, the data analysis module 161 receives a liquid level value detected by the liquid level sensor 12, and sends an instruction to the valve control module 163, the valve control module 163 opens the water inlet valve 18 on the water inlet pipeline 6, water flows into the humidification tank 1 through the water inlet pipeline 6, the liquid level of the humidification tank 1 rises, when the liquid level value received by the data analysis module 161 reaches a high liquid level set value, the valve control module 163 sends an instruction to the valve control module 163, the valve control module 163 closes the water inlet valve 18 on the water inlet pipeline 6, when the liquid level value reaches a low liquid level set value, the valve control module 163 opens the water inlet valve 18 on the water inlet pipeline 6, the liquid level of the humidification tank 1 rises, and the valve control module 163 controls the opening or closing of the water inlet valve 18 on the water inlet pipeline 6 to keep the liquid level of the humidification tank 1 within a range formed by the low liquid; the valve control module 163 opens the inlet valve 9 on the inlet line 8 to let the gas into the humidification tank 1; the data analysis module 161 receives the temperature and humidity of the gas in the humidification tank 1 detected by the temperature and humidity sensor 5, and sends an instruction to the water pump control module 162 and the heating control module 164, the water pump 141 is started by the water pump control module 162, the water at the bottom of the humidification tank 1 flows to the spray head 142 through a pipeline, the spray head 142 sprays fine water mist, the water mist is preheated and evaporated into water vapor, the humidification effect on the gas in the humidification tank 1 is strengthened, the heating control module 164 starts the heating device 2, and the water in the humidification tank 1 is heated by controlling the power and the heating time of the heating device 2, so that the temperature of the gas in the humidification tank 1 is controlled at a temperature set value, and the relative humidity is controlled at a humidity set value.
The controller 16 may be a commercially available PLC controller 16, the model of the controller 16 may be various, and is not limited herein, and the model of the PLC controller 16 in this embodiment may be FX 3U.
The above is not relevant and is applicable to the prior art.
Although certain specific embodiments of the present invention have been described in detail by way of illustration, it will be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention, which is to be construed as broadly as the present invention will suggest themselves to those skilled in the art to which the invention pertains and which is susceptible to various modifications or additions and similar arrangements to the specific embodiments described herein without departing from the scope of the invention as defined in the appended claims. It should be understood by those skilled in the art that any modifications, equivalent substitutions, improvements and the like made to the above embodiments according to the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. A gas humidifying device for a fuel cell test board is characterized by comprising a humidifying tank (1), a heating device (2), a water inlet unit (3), a gas inlet unit (4), a temperature and humidity sensor (5) and a spraying device (14); the humidifying tank (1) is provided with a water inlet (7), an air inlet (10) and an air outlet (11) which are communicated with the interior of the humidifying tank, the water inlet (7) and the air inlet (10) are both arranged at the lower end of the humidifying tank (1), the air inlet (10) is positioned below the water surface in the humidifying tank (1), and the air outlet (11) is arranged at the top end of the humidifying tank (1); heating device (2) are installed humidification jar (1) underwater for heat water in humidification jar (1), intake unit (4) through inlet line (8) with air inlet (10) are linked together, install on inlet line (8) and open or close its inlet valve (9), intake unit (3) through inlet line (6) with humidification jar (1) water inlet (7) are linked together, install inlet valve (18) of opening or closing it on inlet line (6), atomizer (14) set up humidification jar (1) top, to humidification jar (1) inside spraying, install temperature and humidity sensor (5) gas outlet (11) department.
2. A fuel cell test bench gas humidifying device as recited in claim 1, wherein the humidifying tank (1) is provided with a water outlet (15) communicated with the inside thereof, the spraying device (14) comprises a water pump (141) and a nozzle (142), the water inlet end of the water pump (141) is communicated with the water outlet (15) through a pipeline, the water outlet end of the water pump (141) is communicated with the nozzle (142) through a pipeline, and the nozzle (142) is arranged in the humidifying tank (1).
3. A fuel cell test stand gas humidification device according to claim 2, characterized in that the bottom of the humidification tank (1) is evenly spread with a filler layer (13), and the gas inlet (10) is located at the bottom end of the humidification tank (1).
4. A fuel cell test stand gas humidification device according to claim 3 characterised in that the filler layer (13) is filled with glass beads.
5. A fuel cell test stand gas humidification device as claimed in claim 4 in which the glass beads have a particle size of 8 to 10 mm.
6. A fuel cell test bench gas humidification device according to claim 3 characterized in that a level sensor (12) is also provided in the humidification tank (1) to detect the liquid level of the humidification tank (1).
7. A fuel cell test stand gas humidification device as claimed in claim 6 characterised in that the inlet valve (9) and inlet valve (18) are solenoid valves.
8. A fuel cell test bench gas humidification device as claimed in claim 7 further comprising a controller (16), said controller (16) being electrically connected to said inlet valve (9), inlet valve (18), water pump (141), heating device (2), temperature and humidity sensor (5) and level sensor (12) respectively.
9. The fuel cell test bench gas humidification device as claimed in claim 8, wherein the controller (16) comprises a data analysis module (161), a water pump control module (162), a valve control module (163) and a heating control module (164), the valve control module (163), the water pump control module (162) and the heating control module (164) are all electrically connected with the data analysis module (161), the data analysis module (161) is respectively electrically connected with the temperature and humidity sensor (5) and the liquid level sensor (12), the valve control module (163) is respectively electrically connected with the air inlet valve (9) and the water inlet valve (18), the heating control module (164) is electrically connected with the heating device (2), and the water pump control module (162) is electrically connected with the water pump (141).
10. A fuel cell test stand gas humidification device as in claim 1 wherein the gas input into the humidification tank (1) by the gas inlet unit (4) is air or hydrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922264587.8U CN211427168U (en) | 2019-12-16 | 2019-12-16 | Gas humidifying device of fuel cell test board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922264587.8U CN211427168U (en) | 2019-12-16 | 2019-12-16 | Gas humidifying device of fuel cell test board |
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| CN211427168U true CN211427168U (en) | 2020-09-04 |
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| CN201922264587.8U Active CN211427168U (en) | 2019-12-16 | 2019-12-16 | Gas humidifying device of fuel cell test board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114883603A (en) * | 2022-01-29 | 2022-08-09 | 上海神力科技有限公司 | Spraying humidifying device applied to fuel cell testing equipment |
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2019
- 2019-12-16 CN CN201922264587.8U patent/CN211427168U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114883603A (en) * | 2022-01-29 | 2022-08-09 | 上海神力科技有限公司 | Spraying humidifying device applied to fuel cell testing equipment |
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