CN114447368A - Portable hydrogen fuel cell stack radiator - Google Patents
Portable hydrogen fuel cell stack radiator Download PDFInfo
- Publication number
- CN114447368A CN114447368A CN202210111921.XA CN202210111921A CN114447368A CN 114447368 A CN114447368 A CN 114447368A CN 202210111921 A CN202210111921 A CN 202210111921A CN 114447368 A CN114447368 A CN 114447368A
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- installation cavity
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- cell stack
- fuel cell
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0432—Temperature; Ambient temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
- H01M8/2475—Enclosures, casings or containers of fuel cell stacks
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a portable hydrogen fuel cell stack radiator. The battery electric pile installation structure comprises an electric pile encapsulation box, wherein the interior of the electric pile encapsulation box is divided into a first installation cavity and a second installation cavity through a partition plate, a battery electric pile is installed in the first installation cavity, a first air hole communicated with the first installation cavity and the second installation cavity is formed in the partition plate, and an air channel adjusting device is arranged in the second installation cavity; an air exhaust device is arranged on the side wall of the first mounting cavity, and the air duct adjusting device can drive the air exhaust device to adjust the size of an air outlet while sliding in the second mounting cavity. The air duct adjusting device is arranged, so that the cross section area of the air duct can be reduced and the air speed can be increased when the wind power of the fan is small, hot air can be rapidly discharged, and the cross section area of the air duct can be increased when the wind power of the fan is increased, so that a large amount of wind can pass through the air duct. The invention has good heat dissipation effect and is environment-friendly and energy-saving.
Description
Technical Field
The invention relates to the technical field of hydrogen fuel cells, in particular to a portable hydrogen fuel cell stack radiator.
Background
In order to improve the working temperature environment of the hydrogen fuel cell stack, the patent number is CN207705318U, and the name is a packaging structure for improving the ventilation of a fuel cell stack module, and a ventilation baffle plate component is mentioned in the patent application document, which can effectively control the possibility that ventilation airflow forms vortex at the top of the stack, thereby effectively preventing the possibility that hydrogen leaked from the stack can be accumulated at the local position at the top, effectively controlling the flowing path of the ventilation air and avoiding the possibility of ventilation short circuit. However, this structure still has some disadvantages:
1. the size of the opening of the air duct cannot be adjusted in time according to the heat dissipation requirement of the galvanic pile;
2. when the power of the fan is increased, the area of the air outlet hole on the surface of the packaging Pack cannot be increased, so that heat inside the mounting shell cannot be discharged in time, and the heat dissipation effect is affected.
Disclosure of Invention
The invention aims to provide a portable hydrogen fuel cell stack radiator, which can adjust the sizes of an air duct and an air outlet in time according to the radiating requirement.
In order to achieve the purpose, the invention provides the following technical scheme: a portable hydrogen fuel cell stack radiator comprises a stack packaging box, wherein the inside of the stack packaging box is divided into a first mounting cavity and a second mounting cavity by a partition plate, a cell stack is mounted in the first mounting cavity, a temperature sensor for detecting temperature is fixed on the side wall of the first mounting cavity, a first air hole communicated with the first mounting cavity and the second mounting cavity is formed in the partition plate, an air channel adjusting device is arranged in the second mounting cavity, a first connecting hole used for connecting an air blowing end of a fan is formed in the side wall of the second mounting cavity, and when the power of the fan is increased and wind power is enhanced, the wind power entering from the first connecting hole can push the air channel adjusting device to slide in the second mounting cavity, so that the air channel section in the second mounting cavity is increased;
an air exhaust device is arranged on the side wall of the first mounting cavity, and the air duct adjusting device can drive the air exhaust device to adjust the size of an air outlet while sliding in the second mounting cavity.
Preferably, the air duct adjusting device comprises a sliding shell, the sliding shell is formed by processing a rectangular cube, the size of the cross section of the rectangular cube is equal to that of the cross section of the second mounting cavity, the sliding shell is arranged inside the second mounting cavity in a sliding mode, and the sliding shell comprises a top plate, a bottom plate, supporting plates on two sides and a first baffle on the rear side, wherein the top plate, the bottom plate, the supporting plates on two sides and the first baffle are integrally connected.
Preferably, the air duct adjusting device further comprises a push plate, the push plate is equal to the cross section of the inner cavity of the sliding shell in size, the push plate is slidably arranged between the top plate and the bottom plate of the sliding shell, the back of the push plate is hinged with one end of a connecting rod, the other end of the connecting rod is hinged to the side wall of the second installation cavity, a first torsion spring is clamped at the hinged position of the connecting rod, second baffles are fixed to two sides of the push plate, the push plate and the inner wall, the top plate and the bottom plate of the second installation cavity enclose a first air duct, the end face of the sliding shell located on one side of the first air hole and the inner wall of the second installation cavity enclose a second air duct, and the first air duct is communicated with the second air duct.
Preferably, the end face of the sliding shell, far away from one side of the first air hole, is connected with an infrared distance sensor, the infrared distance sensor is used for measuring the distance between the end face and the inner wall of the opposite second mounting cavity, and a second connecting hole used for connecting an air blowing end of an air conditioner is formed in the side wall of the opposite second mounting cavity.
Preferably, be U type linear arrangement and seted up a plurality of air outlets on first installation cavity not all the other three lateral walls adjacent with the second installation cavity, exhaust device includes the deep bead, and the quantity of deep bead is corresponding with the air outlet, and the deep bead rotates and sets up in air outlet department, overlaps in the pivot of deep bead to be equipped with the second torsional spring, makes the deep bead be the contained angle that is not more than 15 degrees with the inside wall of first installation cavity all the time under ordinary state.
Preferably, the exhaust device further comprises a pull rope with elasticity, one end of the pull rope penetrates through the first air hole to be fixedly connected with the sliding shell, and the other end of the pull rope is sequentially and fixedly connected with the end part of each wind deflector along the U-shaped arrangement route of the wind deflectors.
Preferably, a plurality of air partitions are fixed on the top wall of the first mounting cavity, and the lower ends of the air partitions are attached to the upper surface of the cell stack.
Preferably, a stop block for limiting the wind deflector is fixed in the middle of the lower edge of the air outlet.
Compared with the prior art, the invention has the following beneficial effects:
the air duct adjusting device is arranged, so that the cross section area of the air duct can be reduced and the air speed can be improved when the wind power of the fan is small, hot air can be rapidly discharged, and the cross section area of the air duct can be increased when the wind power of the fan is increased, so that a large amount of wind can pass through the air duct;
the air exhaust device capable of adjusting the size of the air outlet is arranged, so that the opening of the air outlet can be reduced when the wind power of the fan is small, external dust can be prevented from entering, and the opening of the air outlet can be enlarged when the wind power of the fan is large, and hot air in the packaging box can be exhausted in time;
and thirdly, by arranging the air conditioner, the heat dissipation effect can be further supplemented when the cooling effect of the fan is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention with the lid open;
FIG. 3 is a schematic view of the present invention without a cell stack;
FIG. 4 is an enlarged view of A in FIG. 3;
FIG. 5 is a top view of FIG. 3;
FIG. 6 is a schematic view of the sliding housing of the present invention;
FIG. 7 is a schematic view of FIG. 6 from another perspective;
FIG. 8 is a schematic structural diagram of an air duct adjusting device according to the present invention;
FIG. 9 is a schematic view of another state of FIG. 8;
in the figure: 1-a galvanic pile packaging box, 2-a first connecting hole, 3-a second connecting hole, 4-an exhaust outlet, 5-a wind shield, 6-a battery galvanic pile, 7-a clapboard, 8-a sliding shell, 801 top plate, 802-a bottom plate, 803-a supporting plate, 804-a first baffle, 9-an infrared distance sensor, 10-a wind shield, 11-a pull rope, 12-a stop block, 13-a first wind hole, 14-a connecting rod, 15-a push plate and 16-a second baffle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 to 9, the present invention provides a technical solution: the utility model provides a portable hydrogen fuel cell pile radiator, includes pile packaging box 1, first installation cavity and second installation cavity are separated into through baffle 7 to pile packaging box 1 is inside, and the battery pile 6 is installed in first installation cavity, is fixed with the temperature sensor who is used for detecting the temperature on the lateral wall of first installation cavity for real-time detection battery pile 6 ambient temperature at the during operation, and feed back to the controller with it, when ambient temperature risees, through controller increase fan power.
Set up the first wind hole 13 of first installation cavity of intercommunication and second installation cavity on baffle 7 be provided with wind channel adjusting device in the second installation cavity, offer the first connecting hole 2 that is used for connecting the fan end of blowing on the lateral wall of second installation cavity, when fan power increase wind-force reinforcing, the wind energy of following the entering of first connecting hole 2 department can promote wind channel adjusting device and slide in the second installation cavity, makes the wind channel cross-section increase in the second installation cavity.
Specifically, air duct adjusting device includes sliding shell 8, sliding shell 8 is formed by processing a rectangle cube, and the cross-sectional size of this rectangle cube equals with the cross-sectional size of second installation cavity, and sliding shell 8 slides and sets up in the inside of second installation cavity, sliding shell 8 includes roof 801, bottom plate 802, the backup pad 803 of both sides and the first baffle 804 of rear side of body coupling. The air duct adjusting device further comprises a push plate 15, the cross section of the inner cavity of the push plate 15 is equal to that of the inner cavity of the sliding shell 8 in size, the push plate 15 is arranged between the top plate 801 and the bottom plate 802 of the sliding shell 8 in a sliding mode, the back of the push plate 15 is hinged to one end of a connecting rod 14, the other end of the connecting rod 14 is hinged to the side wall of the second installation cavity, a first torsion spring is clamped at the hinged position of the connecting rod, second baffles 16 are fixed to two sides of the push plate 15, the push plate 15 and the inner wall of the second installation cavity, the top plate 801 and the bottom plate 802 enclose a first air duct, the end face of the sliding shell 8 located on one side of the first air hole 13 and the inner wall of the second installation cavity enclose a second air duct, and the first air duct is communicated with the second air duct. When the wind power is enhanced, the pressure acting on the surface of the push plate 15 is increased, so that the force of the push plate 15 on the connecting rod 14 is increased, when the force is increased enough to overcome the torsion of the first torsion spring, the connecting rod 14 can swing, the connecting rod 14 drives the push plate 15 to move rightwards and downwards at the same time, the push plate 15 drives the sliding shell 8 to move rightwards together, and at the moment, the cross sections of the first air channel and the second air channel are increased.
Be provided with exhaust device on the lateral wall of first installation cavity, be U type linear arrangement and seted up a plurality of air outlets 4 on all the other three lateral walls that first installation cavity is not adjacent with the second installation cavity, air duct adjusting device can drive exhaust device when gliding in the second installation cavity and adjust air outlet 4 size.
Particularly, exhaust device includes deep bead 5, and deep bead 5's quantity is corresponding with air exit 4, and deep bead 5 rotates and sets up in air exit 4 department, and the cover is equipped with the second torsional spring in deep bead 5's pivot, makes deep bead 5 be the contained angle that is not more than 15 degrees with the inside wall of first installation cavity all the time under ordinary state. A stopper 12 for limiting the wind deflector 5 is fixed in the middle of the lower edge of the air outlet 4. The air exhaust device further comprises an elastic pull rope 11, one end of the pull rope 11 penetrates through the first air hole 13 to be fixedly connected with the sliding shell 8, and the other end of the pull rope 11 is sequentially and fixedly connected with the end part of each wind deflector 5 along the U-shaped arrangement route of the wind deflectors 5. As shown in fig. 8 and 9, when the sliding shell 8 moves rightwards, the wind deflector 5 can be driven to rotate through the pull rope 11, when the wind deflector 5 forms a 90-degree included angle with the inner side wall of the first installation cavity, the wind deflector 5 is not rotated due to the action of the stop block 12, the pull rope 11 can continue to be elongated due to elasticity, and the air outlet 4 can reach the maximum opening at the moment.
In order to improve the radiating effect, still be provided with the air conditioner that can provide cold wind, in order to the energy can be saved, the air conditioner only can open when the temperature surpasses the default, specifically includes following part: the end face of the sliding shell 8 far away from one side of the first air hole 13 is connected with an infrared distance sensor 9 which is used for measuring the distance between the end face and the inner wall of the opposite second mounting cavity, and the side wall of the opposite second mounting cavity is provided with a second connecting hole 3 used for connecting an air blowing end of an air conditioner. When the working temperature of the cell stack 6 rises, firstly, the fan starts to work to perform air cooling, the power of the fan rises along with the rise of the working temperature, so that the pressure acting on the surface of the push plate 15 is increased, the distance for moving the sliding shell 8 rightwards is increased, when the distance value detected by the infrared distance sensor 9 is smaller than or equal to a preset value, the effect of cooling is difficult to improve only by the fan at the moment, the controller starts to control the air conditioner to work at the moment, cold air is introduced into the second mounting cavity, the cold air and the wind of the fan enter the first mounting cavity together to perform cooling and heat dissipation work, the smaller the distance value detected by the infrared distance sensor 9 is, the higher the power of the air conditioner is, and the cooling effect is improved.
Be fixed with many air partitions 10 on the roof of first installation cavity, the lower extreme of air partition 10 and the laminating of the upper surface of battery pile 6 can make wind evenly distributed to the surface of battery pile 6, improve the cooling radiating effect.
The working principle is as follows: at the beginning, the temperature sensor detects that the working temperature of the cell stack 6 is not very high, the power of the fan is low at the moment, the wind speed is low, and the sections of the first air channel and the second air channel are small at the moment, so that the wind speed is improved, and hot air in the first installation cavity can be quickly discharged;
after the battery electric pile 6 works for a period of time, the temperature in the first installation cavity is gradually increased, the power of the fan is gradually increased, the wind power is strengthened, the pressure acting on the surface of the push plate 15 is increased, the force of the push plate 15 on the connecting rod 14 is further increased, when the force is increased enough to overcome the torsion of the first torsion spring, the connecting rod 14 can swing, the connecting rod 14 drives the push plate 15 to move rightwards and downwards simultaneously, the push plate 15 drives the sliding shell 8 to move rightwards together, and at the moment, the cross sections of the first air channel and the second air channel are increased, so that a large amount of wind can pass through;
when 8 right movements of slip shell, can drive deep bead 5 through stay cord 11 simultaneously and rotate, make air exit 4 crescent, can make a large amount of hot-air in time discharge, when deep bead 5 is 90 degrees contained angles with the inside wall of first installation cavity, because the effect of dog 12 makes deep bead 5 not rotating, stay cord 11 can continue to be elongated owing to having elasticity, and air exit 4 can reach the biggest opening this moment.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a portable hydrogen fuel cell pile radiator, includes pile packaging box (1), first installation cavity and second installation cavity are separated into through baffle (7) to pile packaging box (1) inside, and install in first installation cavity battery pile (6), are fixed with the temperature sensor who is used for detecting the temperature on the lateral wall of first installation cavity, its characterized in that: the partition plate (7) is provided with a first air hole (13) communicated with the first installation cavity and the second installation cavity, an air duct adjusting device is arranged in the second installation cavity, the side wall of the second installation cavity is provided with a first connecting hole (2) used for connecting the air blowing end of the fan, and when the power of the fan is increased and the wind power is enhanced, the wind entering from the first connecting hole (2) can push the air duct adjusting device to slide in the second installation cavity, so that the section of the air duct in the second installation cavity is increased;
an air exhaust device is arranged on the side wall of the first mounting cavity, and the air duct adjusting device can drive the air exhaust device to adjust the size of the air outlet (4) while sliding in the second mounting cavity.
2. A portable hydrogen fuel cell stack radiator according to claim 1, wherein: air duct adjusting device includes slip shell (8), slip shell (8) are formed by the processing of a rectangle cube, and the cross-section size of this rectangle cube equals with the cross-section size of second installation cavity, and slip shell (8) slide and set up the inside at the second installation cavity, slip shell (8) are including the first baffle (804) of roof (801), bottom plate (802), backup pad (803) and the rear side of body coupling.
3. A portable hydrogen fuel cell stack radiator according to claim 2, wherein: air duct adjusting device still includes push pedal (15), push pedal (15) and the inner chamber cross-section size of slip shell (8) equal, push pedal (15) slide to set up between roof (801) and bottom plate (802) of slip shell (8), the back of push pedal (15) articulates the one end that has connecting rod (14), the other end of connecting rod (14) articulates on the lateral wall of second installation cavity and has first torsional spring in its articulated department joint, the both sides of push pedal (15) are fixed with second baffle (16), the inner wall of push pedal (15) and second installation cavity, roof (801), bottom plate (802) enclose into first wind channel, the inner wall that is located slide shell (8) terminal surface and the second installation cavity of first wind hole (13) one side encloses into the second wind channel, first wind channel and second wind channel intercommunication.
4. A portable hydrogen fuel cell stack radiator according to claim 2, wherein: keep away from and be connected with infrared distance sensor (9) on the slip shell (8) terminal surface of first wind hole (13) one side, it is used for measuring this terminal surface and offside second installation intracavity wall between the distance, and offer on offside second installation intracavity lateral wall and be used for connecting air conditioner blowing end second connecting hole (3).
5. A portable hydrogen fuel cell stack radiator according to claim 2, wherein: be U type linear arrangement and seted up a plurality of air outlets (4) on first installation cavity all the other three lateral walls not adjacent with the second installation cavity, exhaust device includes deep bead (5), and the quantity of deep bead (5) is corresponding with air outlet (4), and deep bead (5) rotate and set up in air outlet (4) department, and the cover is equipped with the second torsional spring in the pivot of deep bead (5), makes deep bead (5) be the contained angle that is not more than 15 degrees with the inside wall of first installation cavity all the time under normal condition.
6. A portable hydrogen fuel cell stack radiator according to claim 5, wherein: the air exhaust device further comprises an elastic pull rope (11), one end of the pull rope (11) penetrates through the first air hole (13) to be fixedly connected with the sliding shell (8), and the other end of the pull rope is sequentially and fixedly connected with the end portion of each wind deflector (5) along the U-shaped arrangement route of the wind deflectors (5).
7. A portable hydrogen fuel cell stack radiator according to claim 1, wherein: a plurality of air partition plates (10) are fixed on the top wall of the first mounting cavity, and the lower ends of the air partition plates (10) are attached to the upper surface of the cell stack (6).
8. A portable hydrogen fuel cell stack radiator according to claim 5, wherein: a stop block (12) for limiting the wind shield (5) is fixed in the middle of the lower edge of the air outlet (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210111921.XA CN114447368B (en) | 2022-01-27 | 2022-01-27 | Portable hydrogen fuel cell pile radiator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210111921.XA CN114447368B (en) | 2022-01-27 | 2022-01-27 | Portable hydrogen fuel cell pile radiator |
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| CN114447368A true CN114447368A (en) | 2022-05-06 |
| CN114447368B CN114447368B (en) | 2023-09-15 |
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| CN202210111921.XA Active CN114447368B (en) | 2022-01-27 | 2022-01-27 | Portable hydrogen fuel cell pile radiator |
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| Publication number | Publication date |
|---|---|
| CN114447368B (en) | 2023-09-15 |
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