CN210640317U - Fuel cell cooling system capable of automatically monitoring liquid level of cooling liquid and preventing leakage - Google Patents
Fuel cell cooling system capable of automatically monitoring liquid level of cooling liquid and preventing leakage Download PDFInfo
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- CN210640317U CN210640317U CN201921667420.XU CN201921667420U CN210640317U CN 210640317 U CN210640317 U CN 210640317U CN 201921667420 U CN201921667420 U CN 201921667420U CN 210640317 U CN210640317 U CN 210640317U
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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 belongs to the technical field of the fuel cell cooling technique and specifically relates to indicate an automatic monitoring coolant liquid level and prevent fuel cell cooling system who leaks, it includes galvanic pile, liquid reserve tank, returns kettle, coolant liquid pump and a plurality of pipeline, return the inside level sensor that is equipped with of kettle, galvanic pile is via pipeline and liquid reserve tank intercommunication, the liquid reserve tank is via pipeline and return water kettle intercommunication, and the coolant liquid pump sets up on the pipeline between galvanic pile and liquid reserve tank, the liquid reserve tank is used for storing the coolant liquid. The utility model discloses a to the automatic monitoring of coolant liquid level, prevent effectively that the coolant liquid from preventing leaking, at the operation of fuel cell system and the loss that stops the in-process and effectively reduce the coolant liquid, the refrigerated frequency of significantly reduced replenishment guarantees that fuel cell system can be normal, the efficient operation.
Description
Technical Field
The utility model belongs to the technical field of the fuel cell cooling technique and specifically relates to indicate an automatic monitoring coolant liquid level and prevent fuel cell cooling system that leaks.
Background
The electric pile is formed by stacking and combining a plurality of single cells in a series connection mode, the bipolar plates and the membrane electrode are overlapped alternately, sealing elements are embedded between the single cells, and the single cells are tightly pressed by the front end plate and the rear end plate and then are fastened and fastened by screws, so that the fuel cell electric pile is formed. The electric pile is a site where electrochemical reaction occurs, and is a core part of a power system of the fuel cell. When the electric pile works, hydrogen and oxygen are respectively introduced from the inlet, distributed to the bipolar plates of the monocells through the main gas channel of the electric pile, uniformly distributed to the electrodes through the diversion of the bipolar plates, and contacted with the catalyst through the electrode support body to carry out electrochemical reaction to generate electric energy.
At present water-cooling fuel cell system radiating part all has the coolant liquid to circulate radiating, and the coolant liquid temperature height can appear hot rising in equipment working process and lead to the coolant liquid can follow the outflow of radiator leakage fluid dram, and after equipment stopped, coolant liquid temperature is low can shrink again, leads to the coolant liquid in the coolant tank to use less more, and the frequency of replenishing the coolant liquid also can increase, influences the in-service use effect of equipment.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide an automatic monitoring coolant liquid level and prevent fuel cell cooling system that leaks, realized the automatic monitoring to the coolant liquid level, effectively prevent that the coolant liquid from preventing to leak, at the operation of fuel cell system and the loss that stops the in-process and effectively reduce the coolant liquid, the supply refrigerated frequency that significantly reduces guarantees that fuel cell system can be normal, the efficient operation.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides an automatic monitor coolant liquid level and prevent fuel cell cooling system who leaks, it includes galvanic pile, liquid reserve tank, returns kettle, coolant pump and a plurality of pipeline, return the inside level sensor that is equipped with of kettle, the galvanic pile is via pipeline and liquid reserve tank intercommunication, the liquid reserve tank is via pipeline and return water kettle intercommunication, and the coolant pump sets up on the pipeline between galvanic pile and liquid reserve tank, the liquid reserve tank is used for storing the coolant liquid.
Further, the cooling system further comprises a control circuit board.
Further, the liquid storage tank is provided with a plurality of radiators.
Furthermore, the cooling system further comprises a cooling liquid pump controller electrically connected with the control circuit board, and the cooling liquid pump controller is electrically connected with the cooling liquid pump.
Furthermore, the top of the water returning kettle is provided with an exhaust hole.
Further, the liquid storage tank is provided with a liquid outlet, one end of the pipeline is communicated with the liquid outlet, and the other end of the pipeline is communicated with the water return kettle.
The utility model has the advantages that: when the whole fuel cell system operates, the cooling liquid in the liquid storage tank of the utility model can flow into the water return kettle due to high-temperature expansion; when whole fuel cell system shut down, the coolant liquid temperature reduces, and the coolant liquid in the kettle can flow back in the liquid reserve tank, carries out the replenishment of coolant liquid to the liquid reserve tank through expend with heat and contract with cold's principle, effectively avoids the coolant liquid to run off under high fever state and can't obtain the phenomenon of replenishment during normal temperature, can also avoid the coolant liquid to leak the pollution equipment, cause risks such as short circuit, the utility model discloses a to the automatic monitoring of coolant liquid level, effectively prevent that the coolant liquid from leaking, effectively reduce the loss of coolant liquid in fuel cell system's operation and the stop process, the greatly reduced replenishment refrigerated frequency guarantees that fuel cell system can be normal, efficient operation.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Description of reference numerals:
1-electric pile; 2-a liquid storage tank; 21-a heat sink; 22-a liquid drain port; 3-returning the kettle; 31-a liquid level sensor; 32-vent holes; 4-a coolant pump; 5-pipeline; 6-a control circuit board; 7-Coolant pump controller.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
As shown in fig. 1, the utility model provides a pair of automatic monitoring coolant liquid level and prevent fuel cell cooling system who leaks, it includes galvanic pile 1, liquid reserve tank 2, return water kettle 3, coolant pump 4 and a plurality of pipeline 5, 3 inside level sensor 31 that are equipped with of return water kettle, galvanic pile 1 is via pipeline 5 and liquid reserve tank 2 intercommunication, liquid reserve tank 2 is via pipeline 5 and return water kettle 3 intercommunication, and coolant pump 4 sets up on pipeline 5 between galvanic pile 1 and liquid reserve tank 2, liquid reserve tank 2 is used for storing the coolant liquid. Preferably, the pipeline 5 is a silica gel pipeline made of silica gel material.
In practical application, the cooling system is installed in a fuel cell system, when the whole fuel cell system runs, cooling liquid in the liquid storage tank 2 can flow into the water returning kettle 3 due to high-temperature expansion, when the whole fuel cell system is shut down, the temperature of the cooling liquid is reduced, the cooling liquid in the water returning kettle 3 can flow back into the liquid storage tank 2, the cooling liquid is supplemented to the liquid storage tank 2 through the principle of expansion with heat and contraction with cold, the phenomenon that the cooling liquid is lost in a high-temperature state and cannot be supplemented at normal temperature is effectively avoided, the risks of equipment pollution caused by leakage of the cooling liquid, short circuit and the like can be avoided, the normal and efficient running of the fuel cell system is further ensured, and better use experience is provided for a user; the cooling system is mainly used for cooling the galvanic pile of the fuel cell, so that the galvanic pile works in a reasonable temperature range, and the galvanic pile can be ensured to normally and efficiently run, thereby outputting the maximum electric quantity and power; the cooling liquid pump 4 is used for controlling the flow and the flow speed of the cooling liquid; the liquid storage tank 2 is used for supplying cooling liquid to the whole cooling system; the water return kettle 3 is used for supplementing cooling liquid to the liquid storage tank 2 by the principle of expansion with heat and contraction with cold; the pipe 5 is used for providing a fixed path for the return flow of the cooling liquid of the whole system; the liquid level sensor 31 is used for monitoring the height of the liquid level in the water returning kettle 3 and judging whether the cooling liquid needs to be supplemented or not. The utility model discloses a to the automatic monitoring of coolant liquid level, prevent effectively that the coolant liquid from preventing leaking, at the operation of fuel cell system and the loss that stops the in-process and effectively reduce the coolant liquid, the refrigerated frequency of significantly reduced replenishment guarantees that fuel cell system can be normal, the efficient operation.
In this embodiment, the cooling system further includes a control circuit board 6, the cooling system further includes a coolant pump controller 7 electrically connected to the control circuit board 6, and the coolant pump controller 7 is electrically connected to the coolant pump 4. The control circuit board 6 is used for collecting heat of the galvanic pile and comprehensively evaluating information in the aspect of reaction, the control circuit board 6 is also used for controlling the motion frequency, the output power and the like of the cooling liquid pump 4, and the cooling liquid pump controller 7 receives the information of the control circuit board 6 and simultaneously transmits related information of the cooling liquid pump 4 to the control circuit board 6.
In this embodiment, the liquid storage tank 2 is provided with a plurality of radiators 21. Radiator 21 is used for distributing away the heat of coolant liquid, strengthens the cooling effect to the pile, makes the pile work in a reasonable temperature range, guarantees that the pile can normal, efficient operation to can export biggest electric quantity and power.
In this embodiment, the top of the water returning kettle 3 is provided with an air vent 32. The vent hole 32 is used to vent the gas back into the kettle 3.
In this embodiment, the liquid storage tank 2 is provided with a liquid outlet 22, one end of the pipeline 5 is communicated with the liquid outlet 22, and the other end of the pipeline 5 is communicated with the water return kettle 3.
All the technical features in the embodiment can be freely combined according to actual needs.
The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.
Claims (6)
1. The utility model provides an automatic monitor coolant liquid level and prevent fuel cell cooling system who leaks which includes the pile, its characterized in that: still include the liquid reserve tank, return kettle, coolant pump and a plurality of pipeline, return the inside level sensor that is equipped with of kettle, the thermopile is via pipeline and liquid reserve tank intercommunication, the liquid reserve tank is via pipeline and return kettle intercommunication, and the coolant pump sets up on the pipeline between thermopile and liquid reserve tank, the liquid reserve tank is used for storing the coolant liquid.
2. The fuel cell cooling system for automatically monitoring the level of coolant and preventing leakage according to claim 1, wherein: the cooling system further includes a control circuit board.
3. The fuel cell cooling system for automatically monitoring the level of coolant and preventing leakage according to claim 1, wherein: the liquid storage tank is provided with a plurality of radiators.
4. The fuel cell cooling system for automatically monitoring the level of coolant and preventing leakage according to claim 2, wherein: the cooling system further comprises a cooling liquid pump controller electrically connected with the control circuit board, and the cooling liquid pump controller is electrically connected with the cooling liquid pump.
5. The fuel cell cooling system for automatically monitoring the level of coolant and preventing leakage according to claim 1, wherein: and the top of the water return kettle is provided with an exhaust hole.
6. The fuel cell cooling system for automatically monitoring the level of coolant and preventing leakage according to claim 1, wherein: the liquid storage tank is provided with a liquid outlet, one end of the pipeline is communicated with the liquid outlet, and the other end of the pipeline is communicated with the water return kettle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921667420.XU CN210640317U (en) | 2019-09-30 | 2019-09-30 | Fuel cell cooling system capable of automatically monitoring liquid level of cooling liquid and preventing leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921667420.XU CN210640317U (en) | 2019-09-30 | 2019-09-30 | Fuel cell cooling system capable of automatically monitoring liquid level of cooling liquid and preventing leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210640317U true CN210640317U (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921667420.XU Active CN210640317U (en) | 2019-09-30 | 2019-09-30 | Fuel cell cooling system capable of automatically monitoring liquid level of cooling liquid and preventing leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210640317U (en) |
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2019
- 2019-09-30 CN CN201921667420.XU patent/CN210640317U/en active Active
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