CN221067791U - Vehicle fuel cell power generation system - Google Patents
Vehicle fuel cell power generation system Download PDFInfo
- Publication number
- CN221067791U CN221067791U CN202323433011.2U CN202323433011U CN221067791U CN 221067791 U CN221067791 U CN 221067791U CN 202323433011 U CN202323433011 U CN 202323433011U CN 221067791 U CN221067791 U CN 221067791U
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- China
- Prior art keywords
- water
- hydrogen storage
- heat exchange
- fuel cell
- power generation
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- 239000000446 fuel Substances 0.000 title claims abstract description 30
- 238000010248 power generation Methods 0.000 title claims abstract description 18
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000001257 hydrogen Substances 0.000 claims abstract description 54
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 239000007787 solid Substances 0.000 claims description 27
- 239000002184 metal Substances 0.000 claims description 3
- 230000004308 accommodation Effects 0.000 claims 1
- 239000000498 cooling water Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 7
- 238000011161 development Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000005984 hydrogenation reaction Methods 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004083 survival effect 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 vehicle fuel cell power generation system comprises a vehicle-mounted hydrogen storage system and a main electric pile system, wherein the main electric pile system is connected with the vehicle-mounted hydrogen storage system; the hydrogen storage system is characterized by further comprising an auxiliary pile system which is arranged in parallel with the main pile system, wherein a hydrogen gas inlet of the auxiliary pile system is connected to the vehicle-mounted hydrogen storage system, and rated power is smaller than rated power of the main pile system. The utility model has the advantages of reasonable configuration, capability of improving the energy efficiency utilization rate of the parking use condition, and the like.
Description
Technical Field
The utility model relates to the technical field of fuel cells, in particular to a vehicle fuel cell power generation system.
Background
Energy and environment are the material basis for survival and development of human society, and development and utilization of new energy and environmental protection are the most important problems faced by human beings at present. In more than twenty years, as petroleum crisis and environmental pollution occur successively, development of electric vehicle technology is promoted and accelerated, and competition for development and research of electric vehicle technology is carried out in various countries in the world. Fuel cell automobiles are widely regarded as green and environment-friendly automobiles which can solve the problems of energy and emission at the same time, and are the main direction of automobile development in the future.
In addition to supplying power to a motor and an electric appliance of a vehicle body, a fuel cell power generation system for a fuel cell vehicle needs to supply power to system accessories of the fuel cell vehicle, and the larger the power of a pile is, the higher the energy consumption of the system accessories is. In the using process of the vehicle, a driving working condition and a parking working condition often exist, under the parking working condition, because high-power equipment such as a motor and the like stops working, the fuel cell system only needs to meet the power supply requirement of a vehicle body electric appliance, and the fuel cell system still has higher energy consumption, so that the energy efficiency utilization rate under the parking using condition is lower.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model aims to solve the technical problems that: how to provide a reasonable configuration, can improve the automobile-used fuel cell power generation system of parking operating mode's energy efficiency utilization.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The vehicle fuel cell power generation system comprises a vehicle-mounted hydrogen storage system and a main electric pile system, wherein the main electric pile system is connected with the vehicle-mounted hydrogen storage system; the hydrogen storage system is characterized by further comprising an auxiliary pile system which is arranged in parallel with the main pile system, wherein a hydrogen gas inlet of the auxiliary pile system is connected to the vehicle-mounted hydrogen storage system, and rated power is smaller than rated power of the main pile system.
Therefore, the auxiliary pile system which is arranged in parallel with the main pile system and has rated power smaller than that of the main pile system can be independently adopted by the main pile system or the main pile system and the auxiliary pile system can jointly meet the electric energy demand under the running working condition, and the auxiliary pile system is independently used under the parking use condition to meet the electric energy demands of other electric appliances, so that the energy consumption of the pile system per se under the parking use condition is reduced, and the energy efficiency utilization rate is improved.
Further, the rated power of the main pile system is more than 10 times of the rated power of the auxiliary pile system.
Further, the auxiliary pile system comprises a water-cooled pile, a water-cooled radiator and a circulating water pump, wherein a water outlet of the water-cooled pile is connected to a water inlet of the water-cooled radiator through a pipeline, a water outlet of the water-cooled radiator is connected to a water inlet of the circulating water pump through a pipeline, and a water outlet of the circulating water pump is connected to a water inlet of the water-cooled pile; the hydrogen gas inlet of the water-cooled electric pile is connected to the vehicle-mounted hydrogen storage system.
Further, an air inlet of the water-cooled pile is connected with a blower through a pipeline, and an air filter is arranged at an air inlet of the blower.
Further, a pressure sensor is arranged on a pipeline between the blower and the water-cooled pile.
Further, the water-cooled radiator comprises a cooling fan and an expansion tank.
Furthermore, temperature sensors are arranged on the pipelines of the water inlet and the water outlet of the water-cooled radiator.
Further, the vehicle-mounted hydrogen storage system comprises a detachable solid hydrogen storage bottle and a heat exchange device, wherein the heat exchange device comprises an outer frame body which is integrally columnar, a containing cavity for containing the solid hydrogen storage bottle is axially arranged in the middle of the outer frame body, the outer frame body is made of heat conducting metal, a heat exchange flow passage flowing through the outer wall of the containing cavity is formed in the outer frame body, and two ends of the heat exchange flow passage penetrate out of the outer frame body outwards and are provided with an inlet and an outlet; the water outlet of the water-cooled electric pile is connected with the inlet of the heat exchange device through a pipeline, and the outlet of the heat exchange device is connected with the water inlet of the water-cooled radiator through a pipeline; the inner diameter of the accommodating cavity is matched with the outer diameter of the solid-state hydrogen storage bottle, so that the outer frame body is mutually attached to the solid-state hydrogen storage bottle placed in the accommodating cavity.
When the hydrogenation device is used, the solid hydrogen storage bottle is placed in the accommodating cavity, the inlet and the outlet are respectively connected with circulating low-temperature fluid during hydrogenation operation, and after the low-temperature fluid flows into the heat exchange flow channel, heat exchange is formed between the outer frame body and the solid hydrogen storage bottle through contact between the outer frame body and the solid hydrogen storage bottle, so that the solid hydrogen storage bottle is always in a low-temperature environment, and hydrogenation is more efficient. When in hydrogen discharge operation, the inlet and the outlet are connected in series on circulating water between the electric pile and the radiator of the water-cooled fuel cell, hot water heated after heat dissipation of the electric pile flows through the heat exchange flow channel, heat exchange is formed between the electric pile and the solid hydrogen storage bottle through contact between the outer frame body and the solid hydrogen storage bottle, so that the solid hydrogen storage bottle is always in a high-temperature environment, on one hand, the hydrogen discharge efficiency of the solid hydrogen storage bottle can be ensured, on the other hand, the cooling of the circulating water can be accelerated, thereby reducing the power of the radiator at the rear end, reducing the consumption of extra electric quantity and improving the energy efficiency utilization rate of the fuel cell.
Further, the heat exchange flow channel is spirally and circumferentially arranged around the accommodating cavity.
Therefore, the heat exchange flow channel can be arranged in a limited space as long as possible, so that more sufficient heat exchange is realized between the fluid in the heat exchange flow channel and the outer frame body, and finally the heat exchange efficiency is improved.
Further, the heat exchange flow channel comprises a main flow channel which is axially arranged along the outer frame body, a plurality of main flow channels are uniformly distributed along the circumferential direction of the accommodating cavity, and the main flow channels are in serpentine shape and are sequentially connected to form the heat exchange flow channel.
Therefore, the heat exchange flow channel can be arranged in a limited space as long as possible, so that more sufficient heat exchange is realized between the fluid in the heat exchange flow channel and the outer frame body, and finally the heat exchange efficiency is improved.
Further, the outer frame body comprises a heat exchange tube wound around the circumferential direction, an inner hole of the heat exchange tube is the heat exchange flow channel, and a space surrounded by the middle part forms the accommodating cavity.
Therefore, the flow direction of the heat exchange flow channel can be controlled through the winding direction of the heat exchange tube, so that the processing difficulty of the heat exchange flow channel is reduced, and the production cost is reduced.
In conclusion, the parking control system has the advantages of being reasonable in configuration, capable of improving the energy efficiency utilization rate of parking use conditions and the like.
Drawings
Fig. 1 is a schematic block diagram of embodiment 1.
Fig. 2 is a schematic diagram of the structure of the auxiliary pile system of embodiment 1.
Fig. 3 is a schematic diagram of the structure of the auxiliary pile system of embodiment 2.
Fig. 4 is a schematic structural view of the outer frame body of embodiment 2.
Fig. 5 is a schematic structural diagram of the outer frame body of embodiment 3.
Fig. 6 is a schematic structural diagram of the heat exchange flow channel in fig. 5.
Description of the embodiments
The present utility model will be described in further detail with reference to examples.
Example 1
A fuel cell power generation system for a vehicle, as shown in fig. 1, includes a vehicle-mounted hydrogen storage system 1 and a main stack system 2 (power output fuel cell system in the figure) connected to the vehicle-mounted hydrogen storage system; the power rating of the auxiliary pile system 3 is smaller than the power rating of the main pile system, and generally, the power rating of the main pile system is more than 10 times of the power rating of the auxiliary pile system 3. As shown in fig. 2, the auxiliary pile system 3 includes a water-cooled pile 31, a water-cooled radiator 32 and a circulating water pump 33, wherein a water outlet of the water-cooled pile 31 is connected to a water inlet of the water-cooled radiator 32 through a pipe, a water outlet of the water-cooled radiator 32 is connected to a water inlet of the circulating water pump 33 through a pipe, and a water outlet of the circulating water pump 33 is connected to a water inlet of the water-cooled pile 31; the hydrogen gas inlet of the water-cooled stack 31 is connected to the on-vehicle hydrogen storage system.
The air inlet of the water-cooled stack 31 is connected with a blower 34 through a pipeline, and an air filter 35 is arranged at the air inlet of the blower 34. The water-cooled radiator 32 includes a radiator fan and an expansion tank. A pressure sensor is provided on the pipe between the blower 34 and the water-cooled stack 31. Temperature sensors are arranged on the pipelines of the water inlet and the water outlet of the water-cooling radiator 32.
Therefore, the auxiliary pile system which is arranged in parallel with the main pile system and has rated power smaller than that of the main pile system can be independently adopted by the main pile system or the main pile system and the auxiliary pile system can jointly meet the electric energy demand under the running working condition, and the auxiliary pile system is independently used under the parking use condition to meet the electric energy demands of other electric appliances, so that the energy consumption of the pile system per se under the parking use condition is reduced, and the energy efficiency utilization rate is improved.
Example 2
The main difference between this embodiment and embodiment 1 is that, as shown in fig. 3, the vehicle-mounted hydrogen storage system 1 includes a detachable solid hydrogen storage bottle 19 and a heat exchange device, the heat exchange device includes an overall cylindrical outer frame 11, a containing cavity 12 for placing the solid hydrogen storage bottle 19 is axially disposed in the middle of the outer frame 11, the outer frame 11 is made of heat conducting metal, and a heat exchange flow channel 13 flowing through the outer wall of the containing cavity 12 is provided inside, and two ends of the heat exchange flow channel 13 penetrate out of the outer frame 11 outwards and are formed with an inlet 15 and an outlet 16; the water outlet of the water-cooled electric pile 31 is connected with the inlet 15 of the heat exchange device through a pipeline, and the outlet 16 of the heat exchange device is connected with the water inlet of the water-cooled radiator 32 through a pipeline; the inner diameter of the accommodating cavity 12 is matched with the outer diameter of the solid hydrogen storage bottle 19, so that the outer frame 11 is mutually attached to the solid hydrogen storage bottle placed in the accommodating cavity 12.
During operation, the water pump pumps cooling water into the water-cooled electric pile, the electric pile works to generate heat to heat the cooling water with lower temperature through heat exchange, the heated cooling water enters the heat exchange device, and the solid hydrogen storage bottle is heated through contact between the outer frame and the solid hydrogen storage bottle, so that continuous release of hydrogen is promoted. In this process, the high temperature cooling water carries out the first cooling, carries out the second cooling after the cooling water after the cooling gets into the radiator, because the heat that the cooling water contains of first cooling greatly reduced for the power demand of secondary heat dissipation reduces, thereby can dispose the less radiator of power, reduce the electric quantity consumption of fuel cell system self, promote energy efficiency utilization ratio.
The heat exchange flow channel 13 is spirally wound around the circumference of the accommodating cavity 12, as shown in fig. 4, in this embodiment, the outer frame 11 includes a heat exchange tube wound around the circumferential direction, an inner hole of the heat exchange tube is the heat exchange flow channel 13, and a space surrounded by the middle part forms the accommodating cavity 12.
Therefore, on one hand, the heat exchange flow channel can be arranged in a limited space as long as possible, so that more sufficient heat exchange is realized between the fluid in the heat exchange flow channel and the outer frame body, and finally the heat exchange efficiency is improved. On the other hand, the flow direction of the heat exchange flow channel is controlled through the winding direction of the heat exchange pipe, so that the processing difficulty of the heat exchange flow channel can be reduced, and the production cost is reduced.
By adopting the fuel cell system of the embodiment, the heat exchange device is utilized to exchange heat with the solid-state hydrogen storage bottle, compared with the prior art, the fuel cell system has the following advantages:
1. The cooling water heated by the electric pile heats the solid hydrogen storage bottle without additional electric energy consumption, so that continuous and stable output of hydrogen can be ensured, heat dissipation can be performed on the cooling water, and the power requirement of a radiator is reduced.
2. The radiator with smaller power can be selected, so that the cost can be reduced, the size of the radiator can be reduced, and the arrangement of a vehicle body is facilitated.
Example 3
The main difference between this embodiment and embodiment 2 is that, as shown in fig. 5, the outer frame 11 in this embodiment is cylindrical as a whole, and has a shrinkage groove 17 penetrating axially, and the shrinkage groove 17 is connected with the accommodating cavity 12 in a penetrating manner in the radial direction; the heat exchange flow channel 13 includes the edge the axial setting of the outer frame body 11 main flow channel, the main flow channel is followed hold the circumference equipartition of chamber 12 and be provided with a plurality of, a plurality of the main flow channel is snakelike and connects gradually and form the heat exchange flow channel 13, as shown in fig. 6.
The shrinkage groove 17 is positioned between the main flow channels where the two ends of the heat exchange flow channel 13 are positioned; the inner diameter of the accommodating cavity 12 is matched with the outer diameter of the solid hydrogen storage bottle to be placed, so that the outer frame 11 and the solid hydrogen storage bottle placed in the accommodating cavity 12 form interference fit.
Because the main runners are connected in a serpentine manner in sequence, connection can not be formed between the main runners at the two ends of the heat exchange runner, and the shrinkage groove is arranged between the two main runners which are not connected with each other, so that a notch can be formed on the outer frame body. Meanwhile, the outer frame body and the solid hydrogen storage bottle are in interference fit, when the solid hydrogen storage bottle is placed in the accommodating cavity, the shrinkage groove can be slightly expanded under the extrusion of the solid hydrogen storage bottle, and the outer frame body and the solid hydrogen storage bottle form good contact by utilizing the elasticity of the shrinkage groove, so that heat exchange can be carried out more.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The vehicle fuel cell power generation system comprises a vehicle-mounted hydrogen storage system (1) and a main electric pile system, wherein the main electric pile system is connected with the vehicle-mounted hydrogen storage system (1); the hydrogen storage system is characterized by further comprising an auxiliary pile system (3) which is arranged in parallel with the main pile system, wherein a hydrogen gas inlet of the auxiliary pile system (3) is connected to the vehicle-mounted hydrogen storage system (1), and rated power is smaller than rated power of the main pile system.
2. The vehicular fuel cell power generation system according to claim 1, wherein the rated power of the main pile system is 10 times or more the rated power of the auxiliary pile system (3).
3. The vehicular fuel cell power generation system according to claim 1 or 2, wherein the auxiliary electric pile system (3) includes a water-cooled electric pile (31), a water-cooled radiator (32), and a circulating water pump (33), a water outlet of the water-cooled electric pile (31) is connected to a water inlet of the water-cooled radiator (32) through a pipe, a water outlet of the water-cooled radiator (32) is connected to a water inlet of the circulating water pump (33) through a pipe, and a water outlet of the circulating water pump (33) is connected to a water inlet of the water-cooled electric pile (31); the hydrogen gas inlet of the water-cooled electric pile (31) is connected to the vehicle-mounted hydrogen storage system (1).
4. A fuel cell power generation system for vehicles according to claim 3, wherein an air inlet of the water-cooled electric pile (31) is connected with a blower (34) through a pipe, and an air filter (35) is installed at an air inlet of the blower (34).
5. The vehicular fuel cell power generation system according to claim 4, wherein a pressure sensor is provided on a pipe between the blower (34) and the water-cooled pile (31).
6. A vehicular fuel cell power generation system according to claim 3, wherein the water-cooled radiator (32) includes a radiator fan and an expansion tank.
7. A vehicle fuel cell power generation system according to claim 3, wherein temperature sensors are provided on both the water inlet and water outlet pipes of the water-cooled radiator (32).
8. A vehicle fuel cell power generation system according to claim 3, wherein the vehicle-mounted hydrogen storage system (1) comprises a detachable solid hydrogen storage bottle (19) and a heat exchange device, the heat exchange device comprises an outer frame body (11) which is integrally columnar, a containing cavity (12) for placing the solid hydrogen storage bottle (19) is axially arranged in the middle of the outer frame body (11), the outer frame body (11) is made of heat conducting metal, a heat exchange flow channel (13) flowing through the outer wall of the containing cavity (12) is arranged in the outer frame body, and two ends of the heat exchange flow channel (13) outwards penetrate out of the outer frame body (11) and are provided with an inlet (15) and an outlet (16); the water outlet of the water-cooled electric pile (31) is connected with the inlet (15) of the heat exchange device through a pipeline, and the outlet (16) of the heat exchange device is connected with the water inlet of the water-cooled radiator (32) through a pipeline; the inner diameter of the accommodating cavity (12) is matched with the outer diameter of the solid hydrogen storage bottle (19), so that the outer frame body (11) is mutually attached to the solid hydrogen storage bottle placed in the accommodating cavity (12).
9. The vehicular fuel cell power generation system according to claim 8, wherein the heat exchanging flow passage (13) is provided in a spiral around a circumference of the accommodation chamber (12).
10. The vehicle fuel cell power generation system according to claim 8, wherein the heat exchange flow passage (13) includes a main flow passage provided along an axial direction of the outer frame body (11), and a plurality of main flow passages are uniformly provided along a circumferential direction of the accommodating chamber (12), and the plurality of main flow passages are connected in a serpentine shape in order to form the heat exchange flow passage (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323433011.2U CN221067791U (en) | 2023-12-16 | 2023-12-16 | Vehicle fuel cell power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323433011.2U CN221067791U (en) | 2023-12-16 | 2023-12-16 | Vehicle fuel cell power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221067791U true CN221067791U (en) | 2024-06-04 |
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ID=91254402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323433011.2U Active CN221067791U (en) | 2023-12-16 | 2023-12-16 | Vehicle fuel cell power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221067791U (en) |
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2023
- 2023-12-16 CN CN202323433011.2U patent/CN221067791U/en active Active
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