CN219778924U - Heat management device for integrated hydrogen fuel cell system and cell box - Google Patents
Heat management device for integrated hydrogen fuel cell system and cell box Download PDFInfo
- Publication number
- CN219778924U CN219778924U CN202320609007.8U CN202320609007U CN219778924U CN 219778924 U CN219778924 U CN 219778924U CN 202320609007 U CN202320609007 U CN 202320609007U CN 219778924 U CN219778924 U CN 219778924U
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- Prior art keywords
- fuel cell
- fixedly connected
- hydrogen fuel
- management device
- movable
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000001257 hydrogen Substances 0.000 title claims abstract description 42
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 42
- 239000000446 fuel Substances 0.000 title claims abstract description 26
- 239000000110 cooling liquid Substances 0.000 claims abstract description 33
- 239000002826 coolant Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 11
- 230000001276 controlling effect Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Fuel Cell (AREA)
Abstract
The utility model discloses a heat management device for an integrated hydrogen fuel cell system and a cell box, which comprises a hydrogen tank, a galvanic pile, a humidifier, a temperature control heat exchanger, an air compressor, a radiator, a cooling liquid storage tank and a water pump, wherein the heat management device is arranged on the hydrogen tank; the cooling medium output end of the temperature control heat exchanger is adjacent to the input end of the water pump. According to the utility model, the cooling liquid is conveyed into the temperature control heat exchanger to exchange heat with the compressed air, so that the cooling liquid can be preheated, a better cooling effect is provided in normal operation, the heat loss of the hydrogen fuel cell is reduced, the work efficiency transmission of the hydrogen fuel cell can be effectively improved, meanwhile, the compressed air can be cooled, and the damage of a membrane electrode caused by the fact that the compressed air enters a galvanic pile at an excessive temperature is prevented.
Description
Technical Field
The utility model relates to the technical field of hydrogen fuel cells, in particular to a heat management device integrating a hydrogen fuel cell system and a cell box.
Background
Hydrogen fuel cells are strictly speaking power generation devices, like power plants, electrochemical power generation devices that convert chemical energy directly into electrical energy. The basic principle is that the reverse reaction of electrolyzed water supplies hydrogen and oxygen to the anode and the cathode respectively, and after hydrogen diffuses outwards through the anode and reacts with electrolyte, electrons are released and reach the cathode through external load;
in the prior art, a common cooling mode for the hydrogen fuel cell stack is to directly introduce cooling liquid, if the temperature of the cooling liquid is in a normal temperature state, the influence on the hydrogen fuel cell is small, and if the temperature of the cooling liquid is too low, the heat loss of the hydrogen fuel cell can be increased, and the effective utilization rate of the hydrogen fuel cell is reduced.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a heat management device for integrating a hydrogen fuel cell system and a cell box.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a heat management device integrating a hydrogen fuel cell system and a cell box comprises a hydrogen tank, a galvanic pile, a humidifier, a temperature control heat exchanger, an air compressor, a radiator, a cooling liquid storage tank and a water pump;
the cooling medium output end of the temperature control heat exchanger is adjacent to the input end of a water pump, the output end of the water pump is connected with the cooling liquid input end of the electric pile, the air compressor is connected with the heating medium input end of the temperature control heat exchanger, the heating medium output end of the temperature control heat exchanger is connected with the input end of a humidifier, and the output end of the humidifier is connected with the air input end of the electric pile;
the temperature control heat exchanger comprises a tank body, wherein a heat exchange assembly is arranged in the tank body, and a regulating and controlling assembly is jointly arranged between the heat exchange assembly and the tank body.
Furthermore, the output end of the hydrogen tank is connected with the hydrogen input end of the electric pile, which is beneficial to inputting hydrogen.
Further, the heat exchange assembly comprises two air plates, the air plates are fixedly connected with the tank body, a plurality of copper pipes are fixedly communicated between the two air plates, the copper pipes are excellent in heat conduction, and heat exchange is facilitated.
Further, the regulation and control subassembly includes the piston, and sealing sliding connection between piston and the copper pipe and with sealing sliding connection between the inner wall of the jar body, the top fixedly connected with movable tube of piston, the movable tube runs through the interior top of the jar body and extends to top and with sealing sliding connection, the top fixedly connected with fly leaf of movable tube, bottom one side fixedly connected with movable rod of fly leaf, surface one side fixedly connected with fixed plate of the jar body, the bottom fixedly connected with motor of fixed plate, the drive shaft fixedly connected with lead screw of motor, and the outside surface at the lead screw is cup jointed to the movable rod screw thread, the position of the piston of being convenient for to control heat exchange space.
Further, the top fixedly connected with gag lever post of fixed plate, and sliding connection between gag lever post and the movable rod has spacing effect to the movable rod, guarantees the steady movement of movable rod.
Further, a through hole is formed in the center of the piston and is communicated with the movable pipe, a through hole is formed in the top of the movable plate, and the through hole is fixedly communicated with the movable pipe, so that the cooling liquid can flow out.
Further, the external surface fixed of the jar body has a perfect understanding the coolant input connecting pipe, the external surface fixed connection of the jar body has the heating medium output connecting pipe that is linked together with the top gas tray, the bottom fixedly connected with of the jar body is linked together with the heating medium input connecting pipe that is linked together of bottom gas tray, the top fixedly connected with of fly leaf is linked together with the coolant output connecting pipe that runs through the hole, coolant output connecting pipe inner wall fixed mounting has temperature sensor, and the setting of each connecting pipe is favorable to accuse temperature heat exchanger and outside required piping connection.
The utility model has the beneficial effects that:
when the integrated hydrogen fuel cell system and the heat management device of the cell box are used, the cooling liquid is conveyed into the temperature control heat exchanger to exchange heat with the compressed air, so that the cooling liquid can be preheated, a good cooling effect is provided during normal operation, the heat loss of the hydrogen fuel cell is reduced, the work efficiency transmission of the hydrogen fuel cell can be effectively improved, meanwhile, the compressed air can be cooled, and the damage of a membrane electrode caused by the fact that the compressed air enters a galvanic pile at too high temperature is prevented.
When the temperature control heat exchanger is used, the temperature control operation can be performed through the heat exchange assembly and the regulation assembly, so that the temperature of the discharged cooling liquid is prevented from being higher than a set value or lower than the set value, and the preheating effect is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a perspective view of a temperature controlled heat exchanger of the present utility model;
fig. 3 is a cross-sectional view of a temperature controlled heat exchanger of the present utility model.
Legend description:
1. a hydrogen tank; 2. a galvanic pile; 3. a humidifier; 4. a temperature-controlled heat exchanger; 5. an air compressor; 6. a heat sink; 7. a cooling liquid storage tank; 8. a water pump; 9. a movable plate; 10. a movable tube; 11. a cooling medium input connection pipe; 12. a heating medium output connection pipe; 13. a movable rod; 14. a limit rod; 15. a fixing plate; 16. a motor; 17. a tank body; 18. a heating medium input connecting pipe; 19. copper pipe; 20. an air tray; 21. a piston; 22. and a screw rod.
Detailed Description
As shown in fig. 1 to 3, a thermal management device for an integrated hydrogen fuel cell system and a cell box includes a hydrogen tank 1, a stack 2, a humidifier 3, a temperature-controlled heat exchanger 4, an air compressor 5, a radiator 6, a coolant storage tank 7, and a water pump 8.
The cooling liquid output end of the electric pile 2 is connected with the input end of the radiator 6, the output end of the radiator 6 is connected with the input end of the cooling liquid storage tank 7, the cooling liquid storage tank 7 is connected with the cooling medium input end of the temperature control heat exchanger 4, the cooling medium output end of the temperature control heat exchanger 4 is adjacent to the input end of the water pump 8, the output end of the water pump 8 is connected with the cooling liquid input end of the electric pile 2, the air compressor 5 is connected with the heating medium input end of the temperature control heat exchanger 4, the heating medium output end of the temperature control heat exchanger 4 is connected with the input end of the humidifier 3, and the output end of the humidifier 3 is connected with the air input end of the electric pile 2;
the temperature control heat exchanger 4 comprises a tank body 17, a heat exchange component is arranged in the tank body 17, and a regulating and controlling component is arranged between the heat exchange component and the tank body 17.
The output of the hydrogen tank 1 is connected to the hydrogen input of the stack 2, as shown in fig. 1.
The hydrogen gas is favorable to entering the electric pile 2, and a pressure regulating valve is further arranged in a connecting pipeline of the hydrogen tank 1 and the electric pile 2, so that the pressure value of the hydrogen gas can be conveniently input.
As shown in fig. 2, the heat exchange assembly comprises two air plates 20, the air plates 20 are fixedly connected with the tank 17, and a plurality of copper pipes 19 are fixedly connected between the two air plates 20.
The compressed hot air enters the bottom air disc 20 and then is conveyed into the copper tubes 19, and heat exchange is carried out between the copper tubes 19 and the cooling liquid, so that the cooling liquid is preheated.
The top air disk 20 is annular to facilitate the up and down movement of the movable tube 10.
As shown in fig. 2 and 3, the regulating and controlling component comprises a piston 21, the piston 21 is in sealing sliding connection with the copper pipe 19 and in sealing sliding connection with the inner wall of the tank 17, the top of the piston 21 is fixedly connected with a movable pipe 10, the movable pipe 10 penetrates through the inner top of the tank 17 and extends to the top and is in sealing sliding connection with the inner top, the top of the movable pipe 10 is fixedly connected with a movable plate 9, one side of the bottom of the movable plate 9 is fixedly connected with a movable rod 13, one side of the outer surface of the tank 17 is fixedly connected with a fixed plate 15, the bottom of the fixed plate 15 is fixedly connected with a motor 16, a driving shaft of the motor 16 is fixedly connected with a screw rod 22, and threads of the movable rod 13 are sleeved on the outer surface of the screw rod 22.
The motor 16 drives the screw rod 22 to rotate, and the screw rod 22 drives the movable rod 13 to ascend, so that the movable plate 9 drives the movable pipe 10 to move, and the movable pipe 10 drives the piston 21 to move while moving.
The piston 21 is a porous piston, two sealing rings are arranged in each hole, and the sealing rings are sleeved on the outer surface of the copper pipe 19, so that the tightness of the joint of the piston 21 and the copper pipe 19 is ensured.
The top of the fixed plate 15 is fixedly connected with a limiting rod 14, and the limiting rod 14 is in sliding connection with the movable rod 13.
The bottom of movable rod 13 has seted up the straight hole, and straight hole and gag lever post 14 assorted for gag lever post 14 carries out spacingly to movable rod 13, guarantees that movable rod 13 can stably remove under the drive of lead screw 22.
A through hole is formed in the center of the piston 21 and is communicated with the movable pipe 10, a through hole is formed in the top of the movable plate 9 and is fixedly communicated with the movable pipe 10.
Is favorable for discharging the cooling liquid.
The external surface of the tank 17 is fixedly communicated with a cooling medium input connecting pipe 11, the external surface of the tank 17 is fixedly connected with a heating medium output connecting pipe 12 communicated with a top air disk 20, the bottom of the tank 17 is fixedly connected with a heating medium input connecting pipe 18 communicated with a bottom air disk 20, the top of the movable plate 9 is fixedly connected with a cooling medium output connecting pipe communicated with a through hole, and the inner wall of the cooling medium output connecting pipe is fixedly provided with a temperature sensor.
The temperature sensor adopts a thermocouple, so that the outflow temperature of the cooling liquid can be conveniently detected, and the control valve can be conveniently used for controlling the opening and closing of the cooling medium output connecting pipe.
When the heat management device integrating the hydrogen fuel cell system and the cell box is used, the air compressor 5 conveys compressed hot air into the temperature control heat exchanger 4, the water pump 8 pumps cooling liquid in the cooling liquid storage tank 7 into the temperature control heat exchanger 4, the cooling liquid exchanges heat with the compressed hot air, then the water pump 8 conveys the preheated cooling liquid into the electric pile 2, and the cooled compressed air enters the electric pile 2 through the humidifier 3;
compressed hot air enters the bottom air tray 20 through the heating medium output connecting pipe 12, is then conveyed into each copper pipe 19, is finally output through the top air tray 20 and the heating medium output connecting pipe 12, cooling liquid enters the tank 17 through the cooling medium input connecting pipe 11, exchanges heat with the compressed hot air through the copper pipes 19, is then discharged through the through holes, the movable pipe 10, the through holes and the cooling medium output connecting pipes, and the temperature sensor detects the temperature of the discharged cooling liquid;
according to the operation of the discharge temperature control motor 16, the motor 16 drives the screw rod 22 to rotate, the screw rod 22 drives the movable rod 13 to ascend, so that the movable pipe 10 is driven to move through the movable plate 9, and the movable pipe 10 drives the piston 21 to move while moving, so that the space in the bottom of the tank 17 is changed, and the heat exchange distance is changed until the temperature of the discharged cooling liquid reaches the required temperature.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. A thermal management device for an integrated hydrogen fuel cell system and cell box, characterized by: comprises a hydrogen tank (1), a galvanic pile (2), a humidifier (3), a temperature control heat exchanger (4), an air compressor (5), a radiator (6), a cooling liquid storage tank (7) and a water pump (8);
the cooling liquid output end of the electric pile (2) is connected with the input end of the radiator (6), the output end of the radiator (6) is connected with the input end of the cooling liquid storage tank (7), the cooling liquid storage tank (7) is connected with the cooling medium input end of the temperature control heat exchanger (4), the cooling medium output end of the temperature control heat exchanger (4) is adjacent to the input end of the water pump (8), the output end of the water pump (8) is connected with the cooling liquid input end of the electric pile (2), the air compressor (5) is connected with the heating medium input end of the temperature control heat exchanger (4), the heating medium output end of the temperature control heat exchanger (4) is connected with the input end of the humidifier (3), and the output end of the humidifier (3) is connected with the air input end of the electric pile (2);
the temperature control heat exchanger (4) comprises a tank body (17), a heat exchange component is arranged in the tank body (17), and a regulating and controlling component is arranged between the heat exchange component and the tank body (17).
2. A thermal management device for an integrated hydrogen fuel cell system and battery case according to claim 1, wherein: the output end of the hydrogen tank (1) is connected with the hydrogen input end of the electric pile (2).
3. A thermal management device for an integrated hydrogen fuel cell system and battery case according to claim 1, wherein: the heat exchange assembly comprises two air plates (20), the air plates (20) are fixedly connected with the tank body (17), and a plurality of copper pipes (19) are fixedly communicated between the two air plates (20).
4. A thermal management device for an integrated hydrogen fuel cell system and battery case according to claim 3, wherein: the regulating and controlling assembly comprises a piston (21), the piston (21) is in sealing sliding connection with the copper pipe (19) and in sealing sliding connection with the inner wall of the tank body (17), the top of the piston (21) is fixedly connected with a movable pipe (10), the movable pipe (10) penetrates through the inner top of the tank body (17) to extend to the top and in sealing sliding connection with the top, the top of the movable pipe (10) is fixedly connected with a movable plate (9), one side of the bottom of the movable plate (9) is fixedly connected with a movable rod (13), one side of the outer surface of the tank body (17) is fixedly connected with a fixed plate (15), the bottom of the fixed plate (15) is fixedly connected with a motor (16), a driving shaft of the motor (16) is fixedly connected with a screw rod (22), and threads of the movable rod (13) are sleeved on the outer surface of the screw rod (22).
5. The thermal management device for an integrated hydrogen fuel cell system and battery case according to claim 4, wherein: the top of the fixed plate (15) is fixedly connected with a limiting rod (14), and the limiting rod (14) is in sliding connection with the movable rod (13).
6. The thermal management device for an integrated hydrogen fuel cell system and battery case according to claim 4, wherein: the center of the piston (21) is provided with a through hole which is communicated with the movable tube (10), the top of the movable plate (9) is provided with a through hole, and the through hole is fixedly communicated with the movable tube (10).
7. The thermal management device for an integrated hydrogen fuel cell system and battery case according to claim 6, wherein: the external surface fixed of the tank body (17) is communicated with a cooling medium input connecting pipe (11), the external surface fixed of the tank body (17) is connected with a heating medium output connecting pipe (12) communicated with a top air disc (20), the bottom of the tank body (17) is fixedly connected with a heating medium input connecting pipe (18) communicated with a bottom air disc (20), the top of the movable plate (9) is fixedly connected with a cooling medium output connecting pipe communicated with a through hole, and the inner wall of the cooling medium output connecting pipe is fixedly provided with a temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320609007.8U CN219778924U (en) | 2023-03-25 | 2023-03-25 | Heat management device for integrated hydrogen fuel cell system and cell box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320609007.8U CN219778924U (en) | 2023-03-25 | 2023-03-25 | Heat management device for integrated hydrogen fuel cell system and cell box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219778924U true CN219778924U (en) | 2023-09-29 |
Family
ID=88136958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320609007.8U Active CN219778924U (en) | 2023-03-25 | 2023-03-25 | Heat management device for integrated hydrogen fuel cell system and cell box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219778924U (en) |
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2023
- 2023-03-25 CN CN202320609007.8U patent/CN219778924U/en active Active
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