CN221141231U - Hydrogen fuel cell coolant filling system and new energy vehicle - Google Patents
Hydrogen fuel cell coolant filling system and new energy vehicle Download PDFInfo
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- CN221141231U CN221141231U CN202322507640.9U CN202322507640U CN221141231U CN 221141231 U CN221141231 U CN 221141231U CN 202322507640 U CN202322507640 U CN 202322507640U CN 221141231 U CN221141231 U CN 221141231U
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- fuel cell
- hydrogen fuel
- filling system
- cooling liquid
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- 239000000446 fuel Substances 0.000 title claims abstract description 70
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 239000001257 hydrogen Substances 0.000 title claims abstract description 69
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 69
- 239000002826 coolant Substances 0.000 title claims description 61
- 239000007788 liquid Substances 0.000 claims abstract description 165
- 239000000110 cooling liquid Substances 0.000 claims abstract description 79
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 230000001502 supplementing effect Effects 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 210000001503 joint Anatomy 0.000 claims abstract description 31
- 230000001960 triggered effect Effects 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims description 19
- 239000013589 supplement Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 40
- 238000002637 fluid replacement therapy Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 238000001802 infusion Methods 0.000 description 3
- 230000003020 moisturizing effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model discloses a hydrogen fuel cell cooling liquid filling system and a new energy vehicle, and relates to the technical field of new energy vehicles. The hydrogen fuel cell cooling liquid filling system comprises a cooling liquid container and an expansion water tank, wherein the cooling liquid container is used for containing cooling liquid, a liquid outlet is formed in the cooling liquid container, and the liquid outlet is connected with a liquid outlet pipe. The liquid level sensor in the expansion tank is used for detecting the liquid level of the cooling liquid in the expansion tank, so that maintenance personnel can know the liquid level condition in the expansion tank in time. The expansion water tank is provided with a liquid inlet connected with a liquid supplementing pipe, the liquid supplementing pipe or the liquid outlet pipe is provided with a butt joint sensor, and the butt joint sensor can be triggered when the liquid supplementing pipe is connected with the liquid outlet pipe; the liquid supplementing pipe is connected with a water pump, the top of the expansion water tank is provided with an air outlet, and the driving mechanism is arranged at the top of the expansion water tank and used for driving the sealing cover to open or close the air outlet. The filling system of the hydrogen fuel cell cooling liquid can realize automatic liquid filling of the expansion tank, and the maintenance efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of new energy vehicles, in particular to a hydrogen fuel cell cooling liquid filling system and a new energy vehicle.
Background
The new energy vehicle using the hydrogen fuel cell to provide electric energy can generate a great amount of heat after the hydrogen fuel cell works for a long time, and the performance of the hydrogen fuel cell can be influenced by the overhigh temperature of the hydrogen fuel cell, so that a cooling liquid pipeline is usually arranged in the hydrogen fuel cell, and the cooling liquid in the cooling liquid pipeline cools the hydrogen fuel cell.
Currently, the radiator and expansion tank of the hydrogen fuel cell of many new energy vehicles are arranged on the roof of the vehicle, and since the roof of some vehicles is higher from the ground, it is inconvenient to fill the coolant, for example: heavy trucks and buses, etc. The maintenance personnel need climb to the roof, open the moisturizing lid at expansion tank top, observe the coolant liquid level in the expansion tank, when need the moisturizing, still need carry the coolant liquid to the roof and carry out the moisturizing, and the coolant liquid is heavier, and such overhead operation has certain danger.
Disclosure of utility model
The utility model aims to provide a hydrogen fuel cell cooling liquid filling system and a new energy vehicle, so as to realize timely understanding of the liquid level condition of the cooling liquid in an expansion water tank, and when the cooling liquid is filled in the expansion water tank, no overhead operation is needed, thereby ensuring the safety of maintenance personnel.
To achieve the purpose, the utility model adopts the following technical scheme:
A hydrogen fuel cell coolant filling system comprising:
The cooling liquid container is used for containing cooling liquid, a liquid outlet is formed in the cooling liquid container, and the liquid outlet is connected with a liquid outlet pipe;
The expansion water tank is internally provided with a liquid level sensor which is used for detecting the liquid level of cooling liquid in the expansion water tank; the expansion water tank is provided with a liquid inlet, the liquid inlet is connected with a liquid supplementing pipe, a butt joint sensor is arranged on the liquid supplementing pipe or the liquid outlet pipe, and the butt joint sensor can be triggered when the liquid supplementing pipe is connected with the liquid outlet pipe; the liquid supplementing pipe is connected with a water pump, the top of the expansion water tank is provided with an air outlet, and the air outlet is provided with a sealing cover;
The driving mechanism is arranged at the top of the expansion water tank and connected with the sealing cover and used for driving the sealing cover to open or close the air outlet.
As an alternative scheme of the hydrogen fuel cell cooling liquid filling system, the driving mechanism comprises an electric push rod, the sealing cover comprises a cover body and a connecting part, the cover body is matched with the air outlet and is used for sealing the air outlet, the connecting part is arranged in the circumferential direction of the cover body, and the driving end of the electric push rod is connected with the connecting part.
As an alternative to the hydrogen fuel cell coolant filling system, a sealing ring is further provided between the cover and the air outlet.
As an alternative scheme of the hydrogen fuel cell cooling liquid filling system, one end of the liquid supplementing pipe, which is far away from the liquid inlet, is provided with a liquid supplementing valve, and the butt joint sensor is arranged on the liquid supplementing valve.
As an alternative to the hydrogen fuel cell coolant filling system, the outlet pipe and the fluid replenishment valve are connected by a quick connect fitting.
As an alternative to the hydrogen fuel cell coolant filling system, a particulate filter is further disposed on the fluid replacement pipe, and the particulate filter is disposed between the fluid replacement valve and the water pump.
As an alternative to the hydrogen fuel cell coolant filling system, the hydrogen fuel cell coolant filling system further includes a support frame, the coolant container can be provided on the support frame, and a weight detecting member is provided on the support frame, and the weight detecting member is used for detecting the weight of the coolant in the coolant container.
As an alternative to the hydrogen fuel cell coolant filling system, the weight sensing element comprises a pressure sensor.
As an alternative to the hydrogen fuel cell coolant filling system, the top of the expansion tank is also provided with a pressure protection valve.
The new energy vehicle comprises a hydrogen fuel cell and the hydrogen fuel cell cooling liquid filling system according to any one of the schemes, wherein the hydrogen fuel cell is connected with the hydrogen fuel cell cooling liquid filling system, the expansion water tank is arranged on the roof of the new energy vehicle and communicated with a cooling liquid pipeline of the hydrogen fuel cell, and the cooling liquid container is arranged on a frame of the new energy vehicle and can supplement cooling liquid for the expansion water tank.
The utility model has the beneficial effects that:
According to the hydrogen fuel cell cooling liquid filling system, the liquid level sensor is arranged in the expansion water tank and used for detecting the liquid level of cooling liquid in the expansion water tank, and when the liquid level in the expansion water tank is lower than the lowest liquid level, a maintenance person is reminded of the need of liquid supplementing in the expansion water tank; when the liquid level in the expansion tank reaches the highest liquid level, reminding maintenance personnel to stop liquid supplementing. After a liquid supplementing pipe connected with a liquid inlet of the expansion water tank is in butt joint with a liquid outlet pipe of a liquid outlet of the cooling liquid container, the butt joint sensor is triggered, and after the butt joint sensor is triggered, a water pump on the liquid supplementing pipe is controlled to supplement liquid into the expansion water tank from the cooling liquid container. After the fluid infusion is completed, the driving mechanism is controlled to drive the sealing cover to close the air outlet, so that the tightness of the expansion water tank is ensured. The filling system of the hydrogen fuel cell cooling liquid can timely know the liquid level condition of the cooling liquid in the expansion tank, can automatically supplement the liquid for the expansion tank, does not need maintenance personnel working aloft, ensures the safety of the maintenance personnel, reduces the labor intensity of the maintenance personnel, and improves the maintenance efficiency.
The new energy vehicle comprises the hydrogen fuel cell and the hydrogen fuel cell cooling liquid filling system, when the expansion tank is positioned on the roof and the cooling liquid container is positioned on the frame, the liquid level condition in the expansion tank can be fed back in time through the liquid level sensor, so that a maintenance person can know the liquid level condition of the expansion tank on the ground, when the liquid level in the expansion tank is lower than the lowest liquid level and liquid supplementing is needed, the maintenance person only needs to butt joint the liquid supplementing pipe with the liquid outlet pipe on the ground, after the butt joint is finished, the butt joint sensor feeds back a butt joint finishing signal, then the driving mechanism is controlled to drive the sealing cover to open the air outlet, the water pump is controlled to work, the cooling liquid in the cooling liquid container is supplemented into the expansion tank, when the liquid level in the expansion tank reaches the highest liquid level, the water pump is controlled to stop working, then the driving mechanism is controlled to drive the sealing cover to close the air outlet, the maintenance person can know the liquid level condition in the expansion tank on the ground, and when the liquid supplementing is needed by the expansion tank, high-altitude operation is not needed, the safety of the maintenance person is ensured, the labor intensity of the maintenance person is reduced, and the maintenance efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a hydrogen fuel cell coolant filling system on a new energy vehicle according to an embodiment of the present utility model;
Fig. 2 is a schematic structural view of a connection between a driving mechanism and a sealing cover according to an embodiment of the present utility model.
100. New energy vehicles;
1. A cooling liquid container; 11. a liquid outlet pipe;
2. An expansion tank; 21. a fluid supplementing pipe; 22. an air outlet; 23. sealing cover; 231. a cover body; 232. a connection part; 24. an electric push rod; 25. a seal ring;
3. A low level sensor; 4. a high level sensor; 5. a water pump; 6. a fluid supplementing valve; 7. a particulate filter; 8. a support frame; 9. a pressure protection valve; 10. and a control unit.
Detailed Description
In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, the present embodiment provides a new energy vehicle including a hydrogen fuel cell and a coolant filling system for the hydrogen fuel cell, wherein the hydrogen fuel cell can convert chemical energy into electric energy required for the operation of the new energy vehicle 100, but the hydrogen fuel cell generates a large amount of heat during the operation, and heat dissipation is usually required for the hydrogen fuel cell through a radiator and a coolant pipe, so as to avoid the performance of the hydrogen fuel cell from being affected by too high temperature of the hydrogen fuel cell. The hydrogen fuel cell is connected with a hydrogen fuel cell coolant filling system, the hydrogen fuel cell coolant filling system comprises an expansion water tank 2, the expansion water tank 2 is arranged on the roof of the new energy vehicle 100 and is communicated with a coolant pipeline of the hydrogen fuel cell, and the coolant is improved for cooling the hydrogen fuel cell.
For a new energy vehicle 100 with a roof at a high distance from the ground, such as a heavy truck, a bus, and the like, maintenance personnel need to climb to the roof to observe the liquid level of the cooling liquid in the expansion tank 2, and supplement the liquid in the expansion tank 2 when the liquid level in the expansion tank 2 is lower than the lowest liquid level, but such overhead operation has a certain danger, and the safety of the maintenance personnel is affected.
In order to solve the above-mentioned problems, the present embodiment also provides a hydrogen fuel cell coolant filling system applied to the above-mentioned new energy vehicle 100, the hydrogen fuel cell coolant filling system includes a coolant container 1 and an expansion tank 2, the coolant container 1 is disposed on a frame of the new energy vehicle 100 and is used for containing coolant, and the coolant container 1 can supplement the coolant required for cooling the hydrogen fuel cell in the expansion tank 2.
Specifically, the cooling liquid container 1 is provided with a liquid outlet, and the liquid outlet is connected with a liquid outlet pipe 11. A liquid level sensor is arranged in the expansion tank 2 and is used for detecting the liquid level of the cooling liquid in the expansion tank 2. In this embodiment, the liquid level sensor includes a low liquid level sensor 3 and a high liquid level sensor 4, the lowest liquid level of the expansion tank 2 is provided with the low liquid level sensor 3, the highest liquid level is provided with the high liquid level sensor 4, the low liquid level sensor 3 can be triggered when the liquid level in the expansion tank 2 is lower than the lowest liquid level, and the high liquid level sensor 4 can be triggered when the liquid level in the expansion tank 2 reaches the highest liquid level.
The bottom of expansion tank 2 is provided with the inlet, and the inlet is connected with the fluid replacement pipe 21, and fluid replacement pipe 21 extends to the position that coolant liquid container 1 is located, is provided with the butt joint sensor on fluid replacement pipe 21 or drain pipe 11, and when fluid replacement pipe 21 and drain pipe 11 are connected, can trigger the butt joint sensor. In this embodiment, the end of the fluid infusion tube 21 remote from the fluid inlet is provided with a docking sensor.
The liquid supplementing pipe 21 is connected with a water pump 5, the top of the expansion water tank 2 is provided with an air outlet 22, and the air outlet 22 is provided with a sealing cover 23. The driving mechanism is arranged at the top of the expansion water tank 2, is connected with the sealing cover 23 and is used for driving the sealing cover 23 to open or close the air outlet 22.
By arranging the low liquid level sensor 3 at the lowest liquid level in the expansion water tank 2, arranging the high liquid level sensor 4 at the highest liquid level, triggering the low liquid level sensor 3 when the liquid level in the expansion water tank 2 is lower than the lowest liquid level, and reminding maintenance personnel of the need of liquid supplementation in the expansion water tank 2; the high liquid level sensor 4 is triggered when the liquid level in the expansion tank 2 reaches the highest liquid level, and reminds maintenance personnel to stop liquid supplementing. After the liquid supplementing pipe 21 connected with the liquid inlet at the bottom of the expansion water tank 2 is in butt joint with the liquid outlet pipe 11 of the cooling liquid container 1, the butt joint sensor is triggered, and after the butt joint sensor is triggered, the water pump 5 on the liquid supplementing pipe 21 is controlled to supplement liquid into the expansion water tank 2 from the cooling liquid container 1, in order to prevent that the gas pressure in the expansion water tank 2 is too high to supplement liquid when the liquid is supplemented into the expansion water tank 2, the driving mechanism is controlled to open the sealing cover 23 on the gas outlet 22 at the top of the expansion water tank 2 before the water pump 5 is opened. After the fluid infusion is completed, the driving mechanism is controlled to drive the sealing cover 23 to close the air outlet 22, so that the tightness of the expansion water tank 2 is ensured. The hydrogen fuel cell cooling liquid filling system can timely know the liquid level condition of cooling liquid in the expansion tank 2, can automatically supplement liquid for the expansion tank 2, does not need maintenance personnel working aloft, ensures the safety of the maintenance personnel, reduces the labor intensity of the maintenance personnel, and improves the maintenance efficiency.
Further, the top of the expansion tank 2 is further provided with a pressure protection valve 9, and since gas exists in the coolant pipeline of the hydrogen fuel cell, the gas can flow back into the expansion tank 2, so that the gas pressure in the expansion tank 2 is continuously increased, the pressure protection valve 9 can be automatically opened when the gas pressure in the expansion tank 2 is greater than or equal to the maximum set pressure, and the gas in the expansion tank 2 is released, so that the pressure in the expansion tank 2 is prevented from being too high, and the expansion tank 2 is prevented from being damaged. When the gas in the expansion tank 2 is lower than the maximum set pressure, the expansion tank is automatically closed, and the tightness of the expansion tank 2 is ensured.
The hydrogen fuel cell cooling liquid filling system further comprises a control unit 10, wherein the low liquid level sensor 3, the high liquid level sensor 4 and the butt joint sensor are all in communication connection with the control unit 10, namely, the low liquid level sensor 3, the high liquid level sensor 4 and the butt joint sensor all send signals to the control unit 10 when triggered. The driving mechanism and the water pump 5 are electrically connected with the control unit 10, and the control unit 10 can control the water pump 5 to be turned on or off and control the driving mechanism to act after receiving the feedback signal.
The new energy vehicle 100 further comprises a vehicle controller, when the liquid level in the expansion tank 2 is lower than the lowest liquid level, the low liquid level sensor 3 sends a signal to the control unit 10, the control unit 10 sends a fault that the liquid level of the cooling liquid is low to the vehicle controller through a CAN line, and the vehicle controller sends an audible and visual warning through an instrument desk to remind maintenance personnel of cooling liquid filling. After the maintenance personnel receives the acousto-optic warning, the liquid supplementing pipe 21 is in butt joint with the liquid outlet pipe 11, after the butt joint is finished, a signal is sent to the control unit 10 by the butt joint sensor, the control unit 10 controls the driving mechanism to start the sealing cover 23, then the water pump 5 is controlled to start working, cooling liquid in the cooling liquid container 1 enters the expansion water tank 2 through the liquid outlet pipe 11 and the liquid supplementing pipe 21, when the liquid level in the expansion water tank 2 reaches the highest liquid level position, the signal is sent to the control unit 10 by the high liquid level sensor 4, the control unit 10 controls the water pump 5 to stop working, and then the driving mechanism is controlled to connect the sealing cover 23 with the air outlet 22 so as to seal the expansion water tank 2.
Specifically, as shown in fig. 2, the driving mechanism includes two electric push rods 24, the sealing cover 23 includes a cover body 231 and a connecting portion 232, the cover body 231 is adapted to the air outlet 22 for sealing the air outlet 22, the connecting portion 232 is disposed in a circumferential direction of the cover body 231, the two electric push rods 24 are symmetrically disposed in a circumferential direction of the air outlet 22, and a driving end of the electric push rod 24 is connected with the connecting portion 232. The two electric push rods 24 are electrically connected with the control unit 10, the connecting portion 232 is a connecting plate arranged on the periphery of the cover 231, and the driving ends of the two electric push rods 24 are respectively connected to two opposite ends of the connecting portion 232, so that the sealing cover 23 is always kept in a horizontal state when the sealing cover 23 is opened or closed, and the sealing cover 23 can be ensured to smoothly open or close the air outlet 22.
Further, a sealing ring 25 is also provided between the cover 231 and the air outlet 22. The sealing performance of the sealing cover 23 after being connected with the air outlet 22 is ensured by arranging the sealing ring 25.
Further, a fluid supplementing valve 6 is arranged at one end of the fluid supplementing pipe 21 far away from the fluid inlet, and a butt joint sensor is arranged on the fluid supplementing valve 6. The liquid outlet pipe 11 is connected with the liquid supplementing valve 6 through a quick connector. The liquid outlet is arranged at the bottom of the cooling liquid container 1, and the liquid outlet pipe 11 is a hose. The quick connector comprises a first quick connector and a second quick connector, one end of the hose is connected with the liquid outlet, the other end of the hose is provided with the first quick connector, one end of the liquid supplementing valve 6 is connected with the liquid supplementing pipe 21, the other end of the liquid supplementing valve is provided with the second quick connector, the butt joint sensor is arranged in the second quick connector, and after the first quick connector is connected in place with the second quick connector, the butt joint sensor can be triggered and sends a signal to the control unit 10.
Further, a particulate filter 7 is further provided on the fluid replacement pipe 21, and the particulate filter 7 is provided between the fluid replacement valve 6 and the water pump 5. The cooling liquid in the cooling liquid container 1 is filtered by the particle filter 7 and then pumped into the expansion water tank 2, so that dust on parts such as the cooling liquid container 1, the liquid outlet pipe 11, the liquid supplementing valve 6 and the like is prevented from entering a cooling liquid pipeline of the fuel cell.
Specifically, the hydrogen fuel cell coolant filling system further includes a support frame 8, the support frame 8 is foldably provided on the vehicle frame, and the coolant container 1 can be provided on the support frame 8. When fluid replacement is needed, a maintenance person opens the support frame 8 and places the cooling fluid container 1 on the support frame 8.
The support frame 8 is provided with a weight detecting member for detecting the weight of the coolant in the coolant container 1. The weight detecting member is in communication with the control unit 10, and can send the detected weight of the cooling liquid in the cooling liquid container 1 to the control unit 10, the control unit 10 judges whether the cooling liquid exists in the cooling liquid container 1, and when judging that the cooling liquid exists in the cooling liquid container 1, the control unit 10 controls the driving mechanism to open the sealing cover 23 and controls the water pump 5 to work.
Specifically, the weight detecting member includes a pressure sensor. The coolant container 1 is provided on a pressure sensor, and the magnitude of the pressure detected by the pressure sensor reflects the weight of the coolant in the coolant container 1. Of course, in other embodiments, the weight detecting member may be a weight scale.
When the pressure sensor detects that the pressure of the coolant container 1 is smaller than the set pressure, which indicates that the coolant in the coolant container 1 is insufficient, the control unit 10 controls the water pump 5 to stop working, and then controls the driving mechanism to connect the sealing cover 23 with the air outlet 22. Meanwhile, the control unit 10 sends a signal of abnormal filling of the cooling liquid to the whole vehicle controller, the whole vehicle controller sends an audible and visual alarm through an instrument desk to remind maintenance personnel, and the maintenance personnel can select to stop filling the cooling liquid or fill the cooling liquid container 1 with the cooling liquid and then fill the expansion tank 2 with the cooling liquid again.
When the cooling liquid in the expansion tank 2 reaches the highest liquid level, the high-level hydraulic sensor sends a signal to the control unit 10, the control unit 10 controls the water pump 5 to stop working, and then controls the driving mechanism to close the air outlet 22 by the sealing cover 23 to seal the expansion tank 2. Meanwhile, the control unit 10 sends a signal of filling the cooling liquid to the whole vehicle controller, the whole vehicle controller sends an acousto-optic warning through the instrument desk to remind maintenance personnel of finishing the filling of the cooling liquid, the maintenance personnel take down the liquid outlet pipe 11 from the liquid supplementing valve 6, take the cooling liquid container 1 away, retract the supporting frame 8 and finish the filling work of the cooling liquid.
With the new energy vehicle 100 using the hydrogen fuel cell coolant filling system, when the expansion tank 2 is positioned on the roof and the coolant container 1 is positioned on the vehicle frame, the liquid level in the expansion tank 2 can be fed back in time through the high liquid level sensor 4 and the low liquid level sensor 3, so that a maintenance person can know the liquid level of the expansion tank 2 on the ground, when the liquid level in the expansion tank 2 is lower than the lowest liquid level, the maintenance person only needs to butt joint the fluid filling pipe 21 with the liquid outlet pipe 11 on the ground, after the butt joint is completed, the butt joint sensor feeds back a butt joint completion signal, the control unit 10 controls the driving mechanism to drive the sealing cover 23 to open the air outlet 22 and control the water pump 5 to work, the coolant in the coolant container 1 is supplemented into the expansion tank 2, when the liquid level in the expansion tank 2 reaches the highest liquid level, the high liquid level sensor 4 feeds back the completion of the coolant filling in the expansion tank 2, the control unit 10 controls the water pump 5 to stop working, then controls the driving mechanism to drive the air outlet 22 to close, the maintenance person to realize the automatic liquid level maintenance person in the expansion tank 2 on the ground, the maintenance person can know the liquid level in the expansion tank 2 on the ground, the maintenance person does not need to repair the liquid when the maintenance person needs to repair the liquid, the maintenance person has high safety, and the maintenance safety is guaranteed.
The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.
Claims (10)
1. A hydrogen fuel cell coolant filling system comprising:
the cooling liquid container (1) is used for containing cooling liquid, a liquid outlet is formed in the cooling liquid container (1), and the liquid outlet is connected with a liquid outlet pipe (11);
The expansion water tank (2), a liquid level sensor is arranged in the expansion water tank (2), and the liquid level sensor is used for detecting the liquid level of cooling liquid in the expansion water tank (2); the expansion water tank (2) is provided with a liquid inlet, the liquid inlet is connected with a liquid supplementing pipe (21), a butt joint sensor is arranged on the liquid supplementing pipe (21) or the liquid outlet pipe (11), and the butt joint sensor can be triggered when the liquid supplementing pipe (21) is connected with the liquid outlet pipe (11); the liquid supplementing pipe (21) is connected with a water pump (5), the top of the expansion water tank (2) is provided with an air outlet (22), and the air outlet (22) is provided with a sealing cover (23);
the driving mechanism is arranged at the top of the expansion water tank (2), is connected with the sealing cover (23) and is used for driving the sealing cover (23) to open or close the air outlet (22).
2. The hydrogen fuel cell coolant filling system according to claim 1, characterized in that the driving mechanism includes an electric push rod (24), the sealing cover (23) includes a cover body (231) and a connecting portion (232), the cover body (231) is adapted to the air outlet (22) for closing the air outlet (22), the connecting portion (232) is provided in a circumferential direction of the cover body (231), and a driving end of the electric push rod (24) is connected with the connecting portion (232).
3. The hydrogen fuel cell coolant filling system according to claim 2, characterized in that a sealing ring (25) is further provided between the cover body (231) and the air outlet (22).
4. The hydrogen fuel cell coolant filling system according to claim 1, characterized in that an end of the fluid replenishment pipe (21) away from the fluid inlet is provided with a fluid replenishment valve (6), and the docking sensor is provided on the fluid replenishment valve (6).
5. The hydrogen fuel cell coolant filling system according to claim 4, characterized in that the outlet pipe (11) and the fluid replenishment valve (6) are connected by a quick-connect joint.
6. The hydrogen fuel cell coolant filling system according to claim 4, characterized in that a particle filter (7) is further provided on the fluid replenishment pipe (21), the particle filter (7) being provided between the fluid replenishment valve (6) and the water pump (5).
7. Hydrogen fuel cell coolant filling system according to any of claims 1-6, characterized in that the hydrogen fuel cell coolant filling system further comprises a support frame (8), the coolant container (1) being able to be arranged on the support frame (8), the support frame (8) being provided with a weight detection element for detecting the weight of the coolant in the coolant container (1).
8. The hydrogen fuel cell coolant filling system according to claim 7, wherein the weight detecting member includes a pressure sensor.
9. Hydrogen fuel cell coolant filling system according to any of claims 1-6, characterized in that the top of the expansion tank (2) is further provided with a pressure protection valve (9).
10. A new energy vehicle, characterized by comprising a hydrogen fuel cell and the hydrogen fuel cell cooling liquid filling system according to any one of claims 1-9, wherein the hydrogen fuel cell is connected with the hydrogen fuel cell cooling liquid filling system, the expansion water tank (2) is arranged on the roof of the new energy vehicle and is communicated with a cooling liquid pipeline of the hydrogen fuel cell, and the cooling liquid container (1) is arranged on a frame of the new energy vehicle and can supplement cooling liquid in the expansion water tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322507640.9U CN221141231U (en) | 2023-09-15 | 2023-09-15 | Hydrogen fuel cell coolant filling system and new energy vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322507640.9U CN221141231U (en) | 2023-09-15 | 2023-09-15 | Hydrogen fuel cell coolant filling system and new energy vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221141231U true CN221141231U (en) | 2024-06-14 |
Family
ID=91416324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322507640.9U Active CN221141231U (en) | 2023-09-15 | 2023-09-15 | Hydrogen fuel cell coolant filling system and new energy vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221141231U (en) |
-
2023
- 2023-09-15 CN CN202322507640.9U patent/CN221141231U/en active Active
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