CN115332563A - Double-effect heat dissipation structure based on multi-stack fuel cells - Google Patents

Double-effect heat dissipation structure based on multi-stack fuel cells Download PDF

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Publication number
CN115332563A
CN115332563A CN202210955967.XA CN202210955967A CN115332563A CN 115332563 A CN115332563 A CN 115332563A CN 202210955967 A CN202210955967 A CN 202210955967A CN 115332563 A CN115332563 A CN 115332563A
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CN
China
Prior art keywords
heat dissipation
battery
heat
battery box
plate
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Withdrawn
Application number
CN202210955967.XA
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Chinese (zh)
Inventor
沈伟
张骏
王�锋
赵千里
钟文涛
贺敬国
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Shanghai Tongxin Jishi Engineering Technology Co ltd
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Shanghai Tongxin Jishi Engineering Technology Co ltd
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Priority to CN202210955967.XA priority Critical patent/CN115332563A/en
Publication of CN115332563A publication Critical patent/CN115332563A/en
Withdrawn legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04007Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04007Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04014Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04007Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04029Heat exchange using liquids
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/24Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465Details of groupings of fuel cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/24Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465Details of groupings of fuel cells
    • H01M8/247Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

Abstract

The invention discloses a double-effect heat dissipation structure based on a multi-stack fuel cell, which relates to the technical field of cells and comprises a cell box and a plurality of cell main bodies arranged in the cell box, wherein support members are arranged at four corners of the plurality of cell main bodies and form point contact with the cell main bodies, and the plurality of support members are arranged in the cell box and are used for supporting and fixing the cell main bodies.

Description

Double-effect heat dissipation structure based on multi-stack fuel cell
Technical Field
The invention relates to the technical field of batteries, in particular to a double-effect heat dissipation structure based on a multi-stack fuel cell.
Background
The fuel cell is a chemical device which directly converts the chemical energy of the fuel into the electric energy, also called electrochemical generator, and is the fourth power generation technology after the hydroelectric power generation, the thermal power generation and the atomic power generation, because the fuel cell converts the gibbs free energy part in the chemical energy of the fuel into the electric energy through the electrochemical reaction, and is not limited by the carnot cycle effect, so the efficiency is high, in addition, the fuel cell uses the fuel and the oxygen as the raw materials, and has no mechanical transmission parts, so the discharged harmful gas is very little, the service life is long, therefore, the fuel cell is the most promising power generation technology from the viewpoint of saving energy and protecting ecological environment.
Chinese utility model patent No. CN210349946U discloses a binary channels group battery air cooling structure, this patent is at the fixed mounting heat dissipation fan all around of shell, by the heat dissipation fan with the heat effluvium, it piles up at the inside of group battery to have reduced the heat, avoided because the heat piles up the problem that makes the temperature rise, and then solved the production heat and piled up, make the temperature rise, reduce the work efficiency and the life's of group battery problem, but because the battery forms the face contact relation between the box and the box in the box, firstly influence the air flow when the forced air cooling, and then cause the radiating effect variation, secondly the battery piles up with the local heat of box contact easily, cause the local high temperature of battery, influence battery life.
Chinese patent No. CN108815946B discloses a car radiator filter screen device with adjustable filter hole size, which makes the filter area of the first filter hole larger or smaller to meet the requirement of filtering during heat dissipation, and plays a role in effectively avoiding the blockage of impurities, and when the first filter hole is far away from the cone, the impurities can be cleaned conveniently, but the size of the heat dissipation hole can not be adjusted according to the amount of heat generated by the fuel cell during use, if the heat dissipation hole is too large, the impurities and dust are easy to enter, and if the heat dissipation hole is too small, the heat dissipation performance is also affected.
Chinese patent No. CN108448017B discloses a method for controlling a battery box of an electric vehicle, which generally cools a battery pack through natural air cooling, water cooling and heat pipe cooling, and controls a cooling fan at an exhaust outlet of a main body of the battery box and a cooling fan at a cover plate of a water-cooled box body to start up if a temperature controller monitors that the temperature of the battery pack exceeds an optimal threshold, so as to enhance a cooling effect.
Disclosure of Invention
The present invention aims at providing a double-effect heat dissipation structure based on multi-stack fuel cells to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the double-effect heat dissipation structure based on the multi-stack fuel cell comprises a cell box and a plurality of cell main bodies arranged in the cell box, wherein support members are arranged at four corners of each cell main body and form point contact with the cell main body, and the support members are arranged in the cell box and used for supporting and fixing the cell main bodies;
the battery box is internally provided with a water cooling assembly connected with the side walls of the plurality of battery main bodies and used for providing a water cooling function for the battery main bodies;
the battery box is characterized in that a plurality of heat dissipation fans are further mounted on the inner side wall of the battery box, a movable plate is attached to the inner wall, away from the heat dissipation fans, of the battery box in a sliding mode, a plurality of groups of through holes are formed in the movable plate, a plurality of groups of heat dissipation holes with the positions consistent with the positions of the through holes are formed in the side wall, corresponding to the movable plate, of the battery box, and the battery box is used for providing an air cooling function for the battery main body;
the battery box is also internally provided with an aperture adjusting component connected between the battery main body and the movable plate, and the movable plate can be moved according to the temperature of the battery main body, so that the aperture of a pore passage formed by staggering the through hole and the radiating hole is adjusted;
the aperture adjusting component assembly is also provided with a sliding rheostat, and the outer wall of the battery box is provided with a switch.
Preferably, the support component comprises a first fixing frame and a second fixing frame, the inner walls of the first fixing frame and the second fixing frame, which are contacted with the battery main body, are semicircular, and connecting pieces are arranged at two ends of the first fixing frame and the second fixing frame and are detachably connected through connecting bolts; can make the unsettled placing of battery main part, do benefit to the heat that produces in order to take away battery main part of air flow, simultaneously because battery main part and support component are the point contact, battery main part can not produce the heat with the place of battery box contact and pile up easily, and then make the outside temperature of battery main part more even, can not cause the local high temperature of battery main part, improve battery main part's life.
Preferably, the water cooling component comprises a water tank arranged in the battery box, a circulating liquid pump is arranged on the side wall of the water tank, the water inlet end of the circulating liquid pump is communicated with the inside of the water tank through a connecting pipe, the water outlet end of the circulating liquid pump is connected with one end of a water inlet pipe, the water inlet pipe is respectively connected with one end of a plurality of heat exchange pipes, the other ends of the plurality of heat exchange pipes are all connected with a water return pipe, one end of the water return pipe is connected with the water inlet end of the plate heat exchanger, and the water outlet end of the plate heat exchanger is communicated with the inside of the water tank; the circulation of the cooling liquid can be formed by utilizing the working of the circulating liquid pump, and the water cooling is realized.
Preferably, the heat exchange tube is snakelike and is embedded in the heat conduction plate, the heat conduction plate is positioned on one side of the side wall of the battery body, and heat conduction fins are fixedly arranged on the side wall of the heat conduction plate; the heat conducting plate is convenient to absorb the heat generated by the battery main body from two sides.
Preferably, the top and the bottom of the movable plate are both arranged in the fixing strips in a sliding manner, and the two fixing strips are both fixedly connected to the inner wall of the battery box; the stability of the movable plate in the transverse moving process is maintained.
Preferably, the aperture adjusting assembly comprises a support frame fixedly connected inside the battery box, a fixed cylinder is mounted on the support frame through two support blocks, one end of the fixed cylinder is fixedly connected with one end of a heat conducting copper pipe, one end of the heat conducting copper pipe extends into the fixed cylinder, the other end of the heat conducting copper pipe sequentially penetrates through a plurality of heat conducting blocks, the heat conducting blocks are respectively mounted at the bottom of the battery main body, the other end of the fixed cylinder is movably connected with a movable column, heat conducting liquid is placed in a cavity formed between the inside of the fixed cylinder and the movable column, a lower toothed plate is fixedly connected at one end of the movable column, which is positioned outside the fixed cylinder, the bottom of the lower toothed plate is connected with a sliding rheostat, the sliding rheostat is mounted on the support frame, the top of the lower toothed plate is meshed with an upper toothed plate through a gear, the gear is rotatably connected to the side wall of a side plate, the side plate is fixedly connected to the support frame, and one end of the upper toothed plate is fixedly connected with the side wall of a movable plate; the through hole on the movable plate is staggered with the heat dissipation holes in the outer wall of the battery box, the size of the heat dissipation holes can be adjusted according to the amount of heat generated by the fuel battery, when the heat is higher, the heat dissipation holes are larger, the heat dissipation effect is better, and when the fuel battery is not used, the heat dissipation holes are blocked by the movable plate, so that the dustproof function can be realized.
Preferably, the slide rheostat is electrically connected with the heat dissipation fan and a motor in the circulating liquid pump respectively; the power of the heat dissipation fan and the circulating liquid pump can be automatically adjusted according to the heat condition of the fuel cell, and the service lives of the heat dissipation fan and the circulating liquid pump can be greatly prolonged.
Preferably, a return spring fixedly connected with one end of the fixed cylinder is sleeved on the side wall of the movable column outside the fixed cylinder; after the heat-conducting liquid in the fixed cylinder is liquefied and cooled, the movable column is driven to reset under the action of the reset spring, so that the movable plate is reset and the heat dissipation holes are completely shielded.
Compared with the prior art, the invention has the beneficial effects that:
1. the battery main body can be suspended through the support component, so that air flow is facilitated to take away heat generated on the battery main body, meanwhile, as the battery main body is in point contact with the support component, heat is not generated at the contact part of the battery main body and the battery box and is easy to accumulate, the temperature outside the battery main body is more uniform, the local temperature of the battery main body is not overhigh, and the service life of the battery main body is prolonged;
2. through the arrangement of the water cooling assembly and the heat dissipation fan, double-effect heat dissipation of water cooling and air cooling is realized, and the heat dissipation efficiency is higher;
3. through the arrangement of the aperture adjusting assembly, the through holes in the movable plate are staggered with the heat dissipation holes in the outer wall of the battery box, the size of the heat dissipation holes can be adjusted according to the amount of heat generated by the fuel battery, when the heat is higher, the heat dissipation holes are larger, the heat dissipation effect is better, and when the fuel battery is not used, the heat dissipation holes are blocked by the movable plate, so that the dustproof function can be realized;
4. through the setting of slide rheostat, can enough reach better radiating effect, also can be according to fuel cell's heat condition automatically regulated heat dissipation fan and circulating liquid pump's power simultaneously, improvement heat dissipation fan that can be very big and circulating liquid pump's life.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic sectional view of the battery box according to the present invention;
FIG. 3 is a schematic structural view of the components inside the battery box according to the present invention;
FIG. 4 is a schematic view of the structure of the heat dissipation fan inside the battery box according to the present invention;
FIG. 5 is a schematic structural view of a single cell body of the present invention;
FIG. 6 is a schematic structural view of a single bracket member of the present invention;
FIG. 7 is a schematic view of the heat conductive plate and heat exchange tube of the present invention;
FIG. 8 is a schematic view of the aperture adjustment assembly of the present invention;
FIG. 9 is a schematic sectional view of the fixing cylinder of the present invention;
fig. 10 is a circuit diagram for controlling the power of the heat dissipation fan and the circulating liquid pump by using the slide rheostat according to the present invention.
In the figure: 1. a battery case; 2. a battery main body; 3. a bracket member; 31. a first fixing frame; 32. a second fixing frame; 33. connecting sheets; 34. a connecting bolt; 4. a water-cooling assembly; 41. a water tank; 42. a circulating liquid pump; 43. a connecting pipe; 44. a water inlet pipe; 45. a heat exchange pipe; 46. a heat conducting plate; 47. heat-conducting fins; 48. a water return pipe; 49. a plate heat exchanger; 5. a heat dissipation fan; 6. a movable plate; 7. a fixing strip; 8. heat dissipation holes; 9. an aperture adjustment assembly; 91. a support frame; 92. a supporting block; 93. a fixed cylinder; 94. a heat conducting copper tube; 95. a heat conducting block; 96. a movable post; 97. a return spring; 98. a lower toothed plate; 99. a gear; 910. a side plate; 911. an upper toothed plate; 10. a slide rheostat; 11. and (4) switching.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-10, the present invention provides a technical solution: the double-effect heat dissipation structure based on the multi-stack fuel cell comprises a cell box 1 and a plurality of cell main bodies 2 arranged inside the cell box 1, wherein support members 3 are arranged at four corners of each cell main body 2 and form point contact with the cell main bodies 2, and the support members 3 are arranged in the cell box 1 and used for supporting and fixing the cell main bodies 2; the bracket component 3 comprises a first fixed frame 31 and a second fixed frame 32, the inner walls of the first fixed frame 31 and the second fixed frame 32, which are contacted with the battery main body 2, are semicircular, and connecting sheets 33 are arranged at two ends of the first fixed frame 31 and the second fixed frame 32 and are detachably connected through connecting bolts 34; can make the unsettled placement of battery main part 2, do benefit to the heat that the air flow produced in order to take away on the battery main part 2, simultaneously because battery main part 2 and support component 3 are the point contact, the place of battery main part 2 and battery box 1 contact can not produce the heat and piles up easily, and then makes the outside temperature of battery main part 2 more even, can not cause the local high temperature of battery main part 2, improves the life of battery main part 2.
The inside of the battery box 1 is also provided with a water cooling component 4 connected with the side walls of the plurality of battery main bodies 2 and used for providing a water cooling function for the battery main bodies 2; the water cooling component 4 comprises a water tank 41 arranged inside the battery box 1, a circulating liquid pump 42 is arranged on the side wall of the water tank 41, the water inlet end of the circulating liquid pump 42 is communicated with the inside of the water tank 41 through a connecting pipe 43, the water outlet end of the circulating liquid pump 42 is connected with one end of a water inlet pipe 44, the water inlet pipe 44 is respectively connected with one end of a plurality of heat exchange pipes 45, the other ends of the plurality of heat exchange pipes 45 are all connected with a water return pipe 48, one end of the water return pipe 48 is connected with the water inlet end of a plate type heat exchanger 49, and the water outlet end of the plate type heat exchanger 49 is communicated with the inside of the water tank 41; the circulation of the cooling liquid can be formed by the operation of the circulating liquid pump 42, and the water-cooling temperature reduction is realized.
The heat exchange tube 45 is snakelike and is embedded in a heat conduction plate 46, the heat conduction plate 46 is positioned at one side of the side wall of the battery body 2, and heat conduction fins 47 are fixedly arranged on the side wall of the heat conduction plate 46; the heat-conducting plate 46 is facilitated to absorb the heat generated from the battery main body 2 from both sides.
The inner side wall of the battery box 1 is also provided with a plurality of heat dissipation fans 5, the inner wall of the battery box 1, which is far away from the heat dissipation fans 5, is attached with a movable plate 6 in a sliding manner, the movable plate 6 is provided with a plurality of groups of through holes, and the side wall of the battery box 1, which corresponds to the movable plate 6, is provided with a plurality of groups of heat dissipation holes 8 with the positions consistent with the positions of the through holes, so as to provide an air cooling function for the battery body 2; the top and the bottom of the movable plate 6 are arranged in the fixed strips 7 in a sliding manner, and the two fixed strips 7 are fixedly connected to the inner wall of the battery box 1; maintaining the stability of the movable plate 6 during the lateral movement.
The battery box 1 is also internally provided with an aperture adjusting component 9 connected between the battery main body 2 and the movable plate 6, and the position of the movable plate 6 can be moved according to the temperature of the battery main body 2, so that the aperture of a pore passage formed by staggering the through hole and the heat dissipation hole 8 can be adjusted; the aperture adjusting assembly 9 comprises a support frame 91 fixedly connected inside the battery box 1, a fixed cylinder 93 is mounted on the support frame 91 through two support blocks 92, one end of the fixed cylinder 93 is fixedly connected with one end of a heat conduction copper pipe 94, one end of the heat conduction copper pipe 94 extends into the fixed cylinder 93, the other end of the heat conduction copper pipe 94 sequentially penetrates through a plurality of heat conduction blocks 95, the plurality of heat conduction blocks 95 are respectively mounted at the bottom of the battery main body 2, the other end of the fixed cylinder 93 is movably connected with a movable column 96, heat conduction liquid is placed in a cavity formed between the inside of the fixed cylinder 93 and the movable column 96, one end of the movable column 96, which is positioned outside the fixed cylinder 93, is fixedly connected with a lower toothed plate 98, the bottom of the lower toothed plate 98 is connected with a sliding rheostat 10, the sliding rheostat 10 is mounted on the support frame 91, the top of the lower toothed plate 98 is meshed with an upper toothed plate 911 through a gear 99, the gear 99 is rotatably connected to the side wall of a side plate 910, the side plate 910 is fixedly connected on the support frame 91, and one end of the upper toothed plate 911 is fixedly connected with the side wall of the movable plate 6; make the through-hole on the fly leaf 6 stagger with louvre 8 on the battery box 1 outer wall, can adjust the size of louvre 8 according to how much fuel cell produced heat, when the heat is higher, louvre 8 is big more, and the radiating effect is better, and when fuel cell did not use, louvre 8 is blocked by fly leaf 6 to can realize dirt-proof function.
A return spring 97 fixedly connected with one end of the fixed cylinder 93 is sleeved on the side wall of the movable column 96 outside the fixed cylinder 93; after the heat-conducting liquid in the fixed cylinder 93 is liquefied and cooled, the movable column 96 is pulled to reset under the action of the reset spring 97, so that the movable plate 6 is reset and the heat dissipation holes 8 are completely shielded.
The aperture adjusting component 9 is also provided with a sliding rheostat 10, and the outer wall of the battery box 1 is provided with a switch 11; the slide rheostat 10 is electrically connected with the heat dissipation fan 5 and the motor in the circulating liquid pump 42 respectively; the power of the heat dissipation fan 5 and the power of the circulating liquid pump 42 can be automatically adjusted according to the heat condition of the fuel cell, and the service lives of the heat dissipation fan 5 and the circulating liquid pump 42 can be greatly prolonged.
In the scheme, when in use, the first fixing frame 31 and the second fixing frame 32 in the single support component 3 are connected through the connecting sheet 33 and the connecting bolt 34 by the arrangement of the support component 3, the installed single support component 3 is clamped at the corner of the battery main body 2, the battery main body 2 is installed in the battery box 1, and then the battery main body 2 can be placed in the air, so that the air flow is facilitated to take away the heat generated on the battery main body 2, meanwhile, because the battery main body 2 and the support component 3 are in point contact, the heat is not easily accumulated at the contact position of the battery main body 2 and the battery box 1, the temperature outside the battery main body 2 is more uniform, the local temperature of the battery main body 2 is not too high, the service life of the battery main body 2 is prolonged, and then the water cooling component 4 and the heat dissipation fan 5 are arranged, the circulating liquid pump 42 is started to work, the cooling liquid in the water tank 41 enters the heat exchange tube 45 through the water inlet tube 44, the heat conducting plate 46 conducts the heat generated at the two sides of the battery body 2 to the heat exchange tube 45 and absorbs the heat of the cooling liquid, the cooling liquid absorbing the heat enters the plate type heat exchanger 49 and dissipates the heat, the cooled cooling liquid flows back to the water tank 41 again, the circulation is reciprocated, the water cooling can be realized, meanwhile, the heat radiating fan 5 works to blow the air in the battery box 1 to flow, the air with the heat in the battery box 1 is blown out, the air cooling can be realized, the aperture adjusting assembly 9 is arranged, when the battery body 2 generates the heat and is transmitted to the heat conducting copper tube 94 through the heat conducting block 95, the other end of the heat conducting copper tube 94 can be heated to evaporate the heat conducting liquid in the fixed cylinder 93, the heat conducting liquid vaporizes to generate the air pressure and pushes the movable column 96 to move, the movable column 96 drives the toothed plate 98 to move, the lower toothed plate 98 enables the upper toothed plate 911 to move through the meshing action of the gear 99, the upper toothed plate 911 drives the movable plate 6 to move, so that the through hole in the movable plate 6 is staggered with the heat dissipation hole 8 in the outer wall of the battery box 1, the size of the heat dissipation hole 8 can be adjusted according to the amount of heat generated by the fuel battery, when the heat is higher, the heat dissipation hole 8 is larger, the heat dissipation effect is better, when the fuel battery is not used, the heat dissipation hole 8 is blocked by the movable plate 6, so that the dustproof function can be realized, finally, through the arrangement of the sliding rheostat 10, when the lower toothed plate 98 moves, the rotating speeds of the motor in the heat dissipation fan 5 and the circulating liquid pump 42 can be changed through the sliding rheostat 10, when the service life of the fuel battery is longer, the generated heat can be gradually accumulated and increased, the temperature becomes higher, the heat dissipation fan 5 and the circulating liquid pump 42 operate at high power, when the service life is shorter, the generated heat is less, the heat dissipation fan 5 and the circulating liquid pump 42 operate at low power, the heat dissipation effect can be achieved, and the service life of the heat dissipation fan 5 and the circulating liquid pump 42 can be greatly prolonged.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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. Double-effect heat radiation structure based on multi-stack fuel cell, including battery box (1) and set up a plurality of battery main parts (2) inside battery box (1), its characterized in that: the four corners of the battery main bodies (2) are provided with support members (3) which are in point contact with the battery main bodies (2), and the support members (3) are arranged in the battery box (1) and used for supporting and fixing the battery main bodies (2);
the battery box (1) is also internally provided with a water cooling component (4) connected with the side walls of the plurality of battery main bodies (2) and used for providing a water cooling function for the battery main bodies (2);
the battery box is characterized in that a plurality of heat dissipation fans (5) are further mounted on the inner side wall of the battery box (1), a movable plate (6) is attached to the inner wall, away from the heat dissipation fans (5), of the battery box (1) in a sliding mode, a plurality of groups of through holes are formed in the movable plate (6), a plurality of groups of heat dissipation holes (8) with the positions consistent with those of the through holes are formed in the side wall, corresponding to the movable plate (6), of the battery box (1), and the battery box is used for providing an air cooling function for the battery body (2);
the battery box (1) is also internally provided with an aperture adjusting component (9) connected between the battery main body (2) and the movable plate (6), and the position of the movable plate (6) can be moved according to the temperature of the battery main body (2), so that the aperture of a pore passage formed by staggering between the through hole and the heat dissipation hole (8) can be adjusted;
the aperture adjusting assembly (9) is also provided with a sliding rheostat (10), and the outer wall of the battery box (1) is provided with a switch (11).
2. The multi-stack fuel cell based dual effect heat dissipation structure of claim 1, wherein: the support component (3) comprises a first fixing frame (31) and a second fixing frame (32), the inner walls, contacting the battery main body (2), of the first fixing frame (31) and the second fixing frame (32) are semicircular, and connecting pieces (33) are arranged at two ends of the first fixing frame (31) and the second fixing frame (32) and detachably connected through connecting bolts (34).
3. The multi-stack fuel cell based dual effect heat dissipation structure of claim 1, wherein: water-cooling subassembly (4) is including installing water tank (41) in battery box (1) inside, install circulating liquid pump (42) on the lateral wall of water tank (41), the end of intaking of circulating liquid pump (42) passes through the inside intercommunication of connecting pipe (43) and water tank (41), the play water end of circulating liquid pump (42) is connected with the one end of inlet tube (44), inlet tube (44) are connected with the one end of a plurality of heat exchange tubes (45) respectively, the other end of a plurality of heat exchange tubes (45) all is connected with wet return (48), the one end of wet return (48) is connected with the end of intaking of plate heat exchanger (49), the play water end of plate heat exchanger (49) and the inside intercommunication of water tank (41).
4. The multi-stack fuel cell based dual effect heat dissipation structure of claim 3, wherein: the heat exchange tube (45) is snakelike and is embedded in the heat conduction plate (46), the heat conduction plate (46) is positioned on one side of the side wall of the battery main body (2), and heat conduction fins (47) are fixedly arranged on the side wall of the heat conduction plate (46).
5. The multi-stack fuel cell based dual effect heat dissipation structure of claim 1, wherein: the top and the bottom of the movable plate (6) are arranged in the fixing strips (7) in a sliding mode, and the two fixing strips (7) are fixedly connected to the inner wall of the battery box (1).
6. The double-effect heat dissipation structure based on multiple stacks of fuel cells of claim 1, wherein: the aperture adjusting assembly (9) comprises a support frame (91) fixedly connected to the inside of the battery box (1), a fixed cylinder (93) is installed on the support frame (91) through two support blocks (92), one end of the fixed cylinder (93) is fixedly connected with one end of a heat conduction copper pipe (94), one end of the heat conduction copper pipe (94) extends to the inside of the fixed cylinder (93), the other end of the heat conduction copper pipe (94) sequentially penetrates through a plurality of heat conduction blocks (95), the plurality of heat conduction blocks (95) are respectively installed at the bottom of the battery main body (2), the other end of the fixed cylinder (93) is movably connected with a movable column (96), heat conduction liquid is placed in a cavity formed between the inside of the fixed cylinder (93) and the movable column (96), the movable column (96) is fixedly connected with a lower toothed plate (98) at one end outside of the fixed cylinder (93), the bottom of the lower toothed plate (98) is connected with a sliding rheostat (10), the sliding rheostat (10) is installed on the support frame (91), the top of the lower toothed plate (98) is meshed with an upper toothed plate (911) through a gear (99), the side wall of the movable plate (910) is fixedly connected with an upper toothed plate (910).
7. The multi-stack fuel cell based dual effect heat dissipation structure of claim 6, wherein: the slide rheostat (10) is electrically connected with the heat dissipation fan (5) and a motor in the circulating liquid pump (42) respectively.
8. The multi-stack fuel cell based dual effect heat dissipation structure of claim 6, wherein: the side wall of the movable column (96) outside the fixed cylinder (93) is sleeved with a return spring (97) fixedly connected with one end of the fixed cylinder (93).
CN202210955967.XA 2022-08-10 2022-08-10 Double-effect heat dissipation structure based on multi-stack fuel cells Withdrawn CN115332563A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116247238A (en) * 2023-05-12 2023-06-09 北京新研创能科技有限公司 Cooling device for fuel cell

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116247238A (en) * 2023-05-12 2023-06-09 北京新研创能科技有限公司 Cooling device for fuel cell
CN116247238B (en) * 2023-05-12 2023-08-04 北京新研创能科技有限公司 Cooling device for fuel cell

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Application publication date: 20221111