CN116742039A - Fuel cell bipolar plate flow field structure and fuel cell - Google Patents

Abstract

The invention discloses a bipolar plate flow field structure of a fuel cell and the fuel cell, and relates to the technical field of cells. The bipolar plate flow field structure of the fuel cell and the fuel cell comprise bipolar plate units, wherein the bipolar plate units comprise a bottom plate, a top plate, bipolar plates and first cooling fans, the bipolar plates are fixedly arranged on the opposite surfaces of the bottom plate and the top plate, and the number of the first cooling fans is two. This fuel cell bipolar plate flow field structure and fuel cell can carry out the heat dissipation with bipolar plate to such heat dissipation mode increases radiating effect, and can also dismantle the processing with radiating box and bottom plate and roof, can be convenient for maintain or maintain first radiator fan when first radiator fan produces the damage like this, and can also be convenient for wash the ventilative net on the radiating box after dismantling the radiating box, avoid ventilative net to produce the circumstances of jam when using for a long time, improve ventilative effect of ventilative net.

Description

Fuel cell bipolar plate flow field structure and fuel cell

Technical Field

The invention relates to the technical field of batteries, in particular to a bipolar plate flow field structure of a fuel cell and the fuel cell.

Background

The utility model discloses a lithium cell convenient to installation of publication number CN115224343A opens through setting up the sealed shell upset, upwards moves push-and-pull rod and drives the connecting block motion, thereby drive connecting plate vertical motion, and then drive lithium cell body upward motion, the convenience is taken out the lithium cell fast, avoided because lithium cell weight is great, the battery groove depth is great, thereby the problem that the inconvenient follow battery inslot of operating personnel took out the lithium cell has been caused, through setting up couple and dead lever, after sealed shell upset is closed, rotate push-and-pull rod and drive couple and dead lever and combine, can carry out quick installation to the lithium cell body in the inner chamber of drain pan fixedly, traditional bolt fastening mode has been avoided, the operation step is loaded down with trivial details in the installation, thereby the problem that has led to the installation effectiveness low.

The above-mentioned lithium cell convenient to installation is when using, and although be convenient for carry out quick installation with the lithium cell, at the in-process that the lithium cell charges, is difficult to carry out the heat dissipation with the lithium cell and handles, and then probably can lead to the lithium cell to lead to its charging efficiency lower because of the reason that generates heat.

Disclosure of Invention

The invention aims to provide a bipolar plate flow field structure of a fuel cell and the fuel cell, which can solve the problem that the lithium cell is difficult to carry out heat dissipation treatment in the process of charging the lithium cell, and the charging efficiency of the lithium cell is low due to heating.

In order to achieve the above purpose, the present invention provides the following technical solutions: the bipolar plate flow field structure of the fuel cell comprises a bipolar plate unit, wherein the bipolar plate unit comprises a bottom plate, a top plate, bipolar plates and first cooling fans, the bipolar plates are fixedly arranged on the opposite surfaces of the bottom plate and the top plate, the number of the first cooling fans is two, and the two groups of the first cooling fans are respectively positioned on two sides of the bipolar plates.

Preferably, the bipolar plate unit further comprises a mounting plate, a heat dissipation box, a bidirectional screw rod, a fixed side rod, a first moving block, a moving limiting plate, a mounting block, a first rotating rod, a first bevel gear and a second bevel gear, wherein the heat dissipation box is fixedly mounted at the bottom of the mounting plate, the first heat dissipation fan is rotatably mounted on the inner walls of the two sides of the heat dissipation box, the bidirectional screw rod is rotatably mounted on the inner walls of the two sides of the bottom plate, the fixed side rod is fixedly mounted on the inner walls of the two sides of the bottom plate, the first moving block and the fixed side rod are in sliding mounting, the first moving block and the bidirectional screw rod are in threaded mounting, the moving limiting plate is fixedly mounted at the top of the bipolar plate unit of the first moving block, the mounting block is fixedly mounted on one side of the heat dissipation box, an opening for the moving limiting plate to move is formed in the opening, the first rotating rod is rotatably mounted at the top of the bottom plate, one end of the first rotating rod extends to the inside of the bottom plate and is fixedly mounted with the first bevel gear, the second bevel gear is fixedly mounted on the outer wall of the bidirectional screw rod, and the first bevel gear is meshed with the second bevel gear.

Preferably, the inner walls of the two sides of the heat dissipation box are embedded and provided with dustproof ventilation nets, the generated wind directions of the two groups of first heat dissipation fans are consistent, the top of the bottom plate is provided with an opening for the movable limiting plate to move, and the inside of the top plate is provided with an opening for the heat dissipation box to move.

The fuel cell comprises the fuel cell bipolar plate flow field structure, a cell box, a mounting unit and a heat dissipation unit;

the mounting unit is arranged on the battery box and comprises a threaded rod, a lifting plate and a battery body, wherein the threaded rod is used for driving the lifting plate to lift and fixedly mount the battery body;

the heat dissipation unit is arranged on the battery box and comprises a second heat dissipation fan, and the second heat dissipation fan is used for carrying out heat dissipation treatment on the battery body.

Preferably, the installation unit further comprises an installation diaphragm, a guide rod, a sliding block, a buffer bottom plate, a second moving block, a fixed diaphragm, a buffer spring, a buffer plate, an installation vertical plate, a second rotating rod, a third bevel gear, a fourth bevel gear, a limiting vertical plate, a sliding cross rod, a movable plate, a movable limiting block and a limiting spring, the bottom of the installation diaphragm is fixedly provided with the guide rod, the outer wall of the guide rod is slidably provided with the sliding block, the bottom of the guide rod is fixedly provided with the buffer bottom plate, the top of the buffer bottom plate and the bottom of the installation diaphragm are rotatably provided with threaded rods, the outer wall threads of the threaded rods are provided with the second moving block, adjacent side walls of the sliding block and the second moving block are fixedly provided with lifting plates, the bottom of the lifting plates and the top of the buffer bottom plate are fixedly provided with the fixed diaphragm, the buffer groove is formed in the fixed inside of the buffer groove, the buffer spring is fixedly arranged in the buffer groove, the bottom of the buffer spring is fixedly provided with a buffer plate, the top of the buffer bottom plate is fixedly provided with a mounting vertical plate, one side of the mounting vertical plate is rotatably provided with a second rotating rod, one end of the second rotating rod extends to the other side of the mounting vertical plate and is fixedly provided with a fourth bevel gear, the outer wall of the threaded rod is fixedly provided with a third bevel gear meshed with the fourth bevel gear, the bottom of the mounting horizontal plate is fixedly provided with a limiting vertical plate, one side of the battery box is slidably provided with a sliding cross rod, one end of the sliding cross rod extends to the inside of the battery box and is fixedly provided with a movable plate, one side of the movable plate is fixedly provided with a movable limiting block and a limiting spring, one side of the limiting spring is fixedly provided with an opening for the movable limiting block to move, one end of the movable limiting block extends into the opening, the quantity of fixed diaphragm is two sets of, and the battery body is located between two sets of fixed diaphragms.

Preferably, the radiating unit further comprises a net cage, a fixing frame, a supporting plate, a telescopic spring, a moving frame, a linkage rod and a filter plate, wherein the net cage is fixedly installed on the inner walls of the two sides of the battery box, a second radiating fan is rotatably installed on the inner wall of one side of the net cage and the inner wall of one side of the battery box, the fixing frame is fixedly installed on the two sides of the battery box, the supporting plate is fixedly installed on the two sides of the battery box, the telescopic spring is fixedly installed at the bottom of the supporting plate, the moving frame is fixedly installed at the bottom of the telescopic spring, the linkage rod is fixedly installed at the top of the moving frame, one end of the linkage rod extends to the top of the supporting plate and is fixedly installed with a handle, the linkage rod and the supporting plate are in sliding installation, and the filter plate is located between the fixing frame and the moving frame.

Preferably, the two sides of the buffer plate are fixedly provided with first sliding blocks, the inside of the fixed transverse plate is provided with first sliding grooves, the first sliding blocks are slidably arranged in the second sliding grooves, and the fixed transverse plate and the buffer plate are slidably arranged.

Preferably, a second sliding block is fixedly arranged on one side of the movable frame, a second sliding groove is formed in the battery box, the second sliding block is slidably arranged in the second sliding groove, and the movable frame and the battery box are slidably arranged.

Preferably, the air inlets are formed in the inner walls of the two sides of the battery box, the air inlets are arranged on one side fixing frames and the movable frames of the filter plates in an L-shaped mode, and the shock absorption pads are fixedly adhered to the bottoms of the buffer bottom plates.

Compared with the prior art, the invention has the beneficial effects that:

(1) This fuel cell bipolar plate flow field structure and fuel cell through bottom plate, roof, bipolar plate, mounting panel, radiator box, first radiator fan, bi-directional lead screw and the cooperation of fixed side lever are used, can carry out the heat dissipation with bipolar plate at bipolar plate work's in-process, and such heat dissipation mode, can increase the velocity of flow of wind direction, increase radiating effect, and can also dismantle the treatment with radiator box and bottom plate and roof, can be convenient for repair or maintain first radiator fan when first radiator fan produces the damage like this, and can also be convenient for wash the ventilative net on the radiator box after dismantling the radiator box, avoid producing the condition of jam when ventilative net uses for a long time, improve ventilative net's ventilation effect.

(2) This fuel cell bipolar plate flow field structure and fuel cell through the cooperation of installation diaphragm, the guide bar, the sliding block, the buffering bottom plate, the threaded rod, the second movable block, lifter plate and fixed diaphragm is used, on the one hand, such setting is convenient for install the battery body, simultaneously also be convenient for the manual work take out the battery body and change, reduce the time of manual work dismantlement and installation, improve workman's work efficiency, on the other hand can cushion the battery body through buffer spring's setting after the installation, like this can change the rigidity vibrations that the battery body received into flexible vibrations through buffer spring when removing the battery body and the battery body produces jolting, and then can protect the battery body, avoid the rigidity vibrations to cause the condition of damage to the battery body, increase the protectiveness to the battery body.

(3) This fuel cell bipolar plate flow field structure and fuel cell uses through the cooperation of box with a net, second radiator fan, mount, backup pad, extension spring, movable rack and trace, can carry out the heat dissipation with the battery body at the in-process that the battery body charges, can avoid the battery body like this when charging in summer high temperature weather, lead to the lower condition of charging efficiency because of the reason that generates heat, and then can improve the charging effect of battery body, improve the practicality of device.

Drawings

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a cross-sectional view of a base plate of the present invention;

FIG. 3 is an enlarged view of section A of the present invention;

FIG. 4 is an enlarged view of section B of the present invention;

FIG. 5 is an enlarged view of section C of the present invention;

fig. 6 is an enlarged view of the portion D of the present invention.

Reference numerals: 1. a bipolar plate unit; 101. a bottom plate; 102. a top plate; 103. a bipolar plate; 104. a mounting plate; 105. a heat radiation box; 106. a first heat radiation fan; 107. a bidirectional screw rod; 108. fixing a side rod; 109. a first moving block; 110. moving the limiting plate; 111. a mounting block; 112. a first rotating lever; 113. a first bevel gear; 114. a second bevel gear; 2. a battery box; 3. an installation unit; 301. mounting a transverse plate; 302. a guide rod; 303. a sliding block; 304. a buffer bottom plate; 305. a threaded rod; 306. a second moving block; 307. a lifting plate; 308. fixing the transverse plate; 309. a buffer spring; 310. a buffer plate; 311. a battery body; 312. installing a vertical plate; 313. a second rotating rod; 314. a third bevel gear; 315. a fourth bevel gear; 316. a limiting vertical plate; 317. a sliding cross bar; 318. a movable plate; 319. a movable limiting block; 320. a limit spring; 4. a heat radiation unit; 401. a cage; 402. a second heat radiation fan; 403. a fixing frame; 404. a support plate; 405. a telescopic spring; 406. a moving rack; 407. a linkage rod; 408. and (5) a filter plate.

Detailed Description

Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the bipolar plate flow field structure of the fuel cell comprises a bipolar plate unit 1, the bipolar plate unit 1 comprises a bottom plate 101, a top plate 102, a bipolar plate 103 and first cooling fans 106, the bipolar plate 103 is fixedly arranged on the opposite surface of the bottom plate 101 and the top plate 102, the number of the first cooling fans 106 is two, the two groups of the first cooling fans 106 are respectively positioned on two sides of the bipolar plate 103, the bipolar plate unit 1 further comprises a mounting plate 104, a cooling box 105, a bidirectional screw rod 107, a fixed side rod 108, a first moving block 109, a moving limiting plate 110, a mounting block 111, a first rotating rod 112, a first umbrella-shaped gear 113 and a second umbrella-shaped gear 114, the bottom of the mounting plate 104 is fixedly provided with a cooling box 105, two side inner walls of the cooling box 105 are rotatably provided with the first cooling fans 106, two side inner walls of the bottom plate 101 are rotatably provided with the bidirectional screw rod 107, two side inner walls of the bottom plate 101 are fixedly provided with the fixed side rod 108, the first moving block 109 is in sliding installation with the fixed side rod 108, the first moving block 109 is in threaded installation with the bidirectional screw rod 107, the moving limiting plate 110 is fixedly installed at the top of the bipolar plate unit 1 of the first moving block 109, the installation block 111 is fixedly installed at one side of the heat dissipation box 105, an opening for the moving limiting plate 110 to move is formed in the installation block 111, one end of the moving limiting plate 110 is positioned in the opening, the first rotating rod 112 is rotatably installed at the top of the bottom plate 101, one end of the first rotating rod 112 extends to the inside of the bottom plate 101 and is fixedly provided with the first umbrella-shaped gear 113, the second umbrella-shaped gear 114 is fixedly installed on the outer wall of the bidirectional screw rod 107, the first umbrella-shaped gear 113 is meshed with the second umbrella-shaped gear 114, dust-proof ventilation screens are embedded and installed on the inner walls of the two sides of the heat dissipation box 105, the generated wind directions of the two groups of the first heat dissipation fans 106 are consistent, the opening for the moving limiting plate 110 is formed at the top of the bottom plate 101, the opening that can supply radiator box 105 activity has been seted up to the inside of roof 102, control first radiator fan 106 starts, first radiator fan 106 starts can ventilate bipolar plate 103, can carry out the heat dissipation with bipolar plate 103 in the in-process of bipolar plate 103 work, and such heat dissipation mode, can increase the velocity of wind direction, increase radiating effect, and can also dismantle radiator box 105 and bottom plate 101 and roof 102 and handle, can be convenient for repair or maintain first radiator fan 106 when first radiator fan 106 produces the damage like this, and can also be convenient for wash the ventilative net on the radiator box 105 after dismantling radiator box 105, avoid producing the condition of jam when ventilative net uses for a long time, improve ventilative effect of ventilative net.

The fuel cell includes above fuel cell bipolar plate flow field structure, battery case 2, installation unit 3 and heat dissipation unit 4, and installation unit 3 locates on the battery case 2, and installation unit 3 includes threaded rod 305, lifter plate 307 and battery body 311, and threaded rod 305 is used for driving lifter plate 307 to go up and down and carries out fixed mounting with battery body 311, and heat dissipation unit 4 locates on battery case 2, and heat dissipation unit 4 includes second radiator fan 402, and second radiator fan 402 is used for carrying out the heat dissipation with battery body 311.

Further, the mounting unit 3 further comprises a mounting cross plate 301, a guide rod 302, a sliding block 303, a buffer bottom plate 304, a second moving block 306, a fixed cross plate 308, a buffer spring 309, a buffer plate 310, a mounting vertical plate 312, a second rotating rod 313, a third bevel gear 314, a fourth bevel gear 315, a limiting vertical plate 316, a sliding cross rod 317, a movable plate 318, a movable limiting block 319 and a limiting spring 320, wherein the guide rod 302 is fixedly mounted at the bottom of the mounting cross plate 301, the sliding block 303 is slidingly mounted at the outer wall of the guide rod 302, the buffer bottom plate 304 is fixedly mounted at the bottom of the guide rod 302, a threaded rod 305 is rotatably mounted at the top of the buffer bottom plate 304 and the bottom of the mounting cross plate 301, the second moving block 306 is mounted at the outer wall threads of the threaded rod 305, the lifting plate 307 is fixedly mounted at the adjacent side walls of the sliding block 303 and the second moving block 306, the fixed plate 308 is fixedly mounted at the bottom of the lifting plate 307 and the top of the buffer bottom plate 304, a buffer groove is formed in the fixed transverse plate 308, a buffer spring 309 is fixedly arranged in the buffer groove, a buffer plate 310 is fixedly arranged at the bottom of the buffer spring 309, a mounting vertical plate 312 is fixedly arranged at the top of the buffer bottom plate 304, a second rotating rod 313 is rotatably arranged at one side of the mounting vertical plate 312, one end of the second rotating rod 313 extends to the other side of the mounting vertical plate 312 and is fixedly provided with a fourth umbrella-shaped gear 315, a third umbrella-shaped gear 314 is fixedly arranged on the outer wall of the threaded rod 305, the third umbrella-shaped gear 314 is meshed with the fourth umbrella-shaped gear 315, a limiting vertical plate 316 is fixedly arranged at the bottom of the mounting transverse plate 301, a sliding cross rod 317 is slidably arranged at one side of the battery box 2, one end of the sliding cross rod 317 extends to the inside of the battery box 2 and is fixedly provided with a movable plate 318, a movable limiting block 319 and a limiting spring 320 are fixedly arranged at one side of the movable plate 318, one side of spacing spring 320 and one side inner wall fixed mounting of battery case 2, the opening that can supply activity stopper 319 activity is offered to the inside of spacing riser 316, the one end of activity stopper 319 extends to in the opening, the quantity of fixed diaphragm 308 is two sets of, battery body 311 is located between two sets of fixed diaphragms 308, control second radiator fan 402, second radiator fan 402 rotates and can dispel the heat to battery body 311, when dismantling filter 408, pulling trace 407, trace 407 removes and drives and remove the frame 406, and then can take out filter 408, set up so and be convenient for install battery body 311 simultaneously also be convenient for the manual work to take out the change, reduce the time of manual work dismantlement and installation, improve workman's work efficiency, on the other hand through buffer spring 309's setting up after the installation can cushion battery body 311, like this when moving battery body 311 and battery body 311 produce jolt, can change the rigidity vibrations that battery body 311 received into flexible vibrations through buffer spring 309, and then can protect battery body 311, avoid rigidity vibrations to cause the circumstances of damaging battery body 311, increase the protectiveness to battery body 311.

Still further, the heat dissipation unit 4 still includes box with a net 401, mount 403, backup pad 404, extension spring 405, remove the frame 406, interlock 407 and filter 408, the equal fixed mounting of both sides inner wall of battery box 2 has box with a net 401, one side inner wall bipolar plate unit 1 of box with a net 401 and one side inner wall rotation of battery box 2 install second radiator fan 402, both sides of battery box 2 all fixed mounting have mount 403, the equal fixed mounting of both sides of battery box 2 has backup pad 404, the bottom fixed mounting of backup pad 404 has extension spring 405, the bottom fixed mounting of extension spring 405 has remove the frame 406, the top fixed mounting of remove the frame 406 has interlock 407, the one end of interlock 407 extends to the top of backup pad 404 and fixed mounting has the handle, interlock 407 and backup pad 404 are slidable mounting, filter 408 is located between mount 403 and the removal frame 406, control second radiator fan 402, second radiator fan 402 can carry out the heat dissipation to battery body 311, when the filter needs to dismantle, when the filter, the interlock 407 is moved and is driven and is removed and is moved, and then can take out battery body 311, can charge the battery body 311, the high heat dissipation efficiency of battery 311 can be improved, and the practical device can be improved in the high-temperature charging device when the battery body is charged in the summer, and the high-temperature condition is avoided.

Still further, the first slider of equal fixed mounting in both sides of buffer board 310, the first spout has been seted up to the inside of fixed diaphragm 308, first slider slidable mounting is in the second spout, fixed diaphragm 308 is slidable mounting with buffer board 310, one side fixed mounting who removes frame 406 has the second slider, the second spout has been seted up to the inside of battery box 2, second slider slidable mounting is in the second spout, remove frame 406 and battery box 2 are slidable mounting, the air intake has all been seted up to the both sides inner wall of battery box 2, the air intake is located one side mount 403 of filter 408 and removes frame 406 and all is "L" setting, the bottom of buffering bottom plate 304 is pasted and is fixed with the shock pad.

Working principle: when the bipolar plate 103 is used, the first cooling fan 106 is controlled to be started, the first cooling fan 106 is started to ventilate the bipolar plate 103, so that the bipolar plate 103 can be subjected to cooling treatment, when the cooling box 105 needs to be disassembled, the first rotating rod 112 is rotated, the first rotating rod 112 rotates to drive the bidirectional screw rod 107 to rotate through the first bevel gear 113 and the second bevel gear 114, the bidirectional screw rod 107 rotates to drive the first moving block 109 to move, the first moving block 109 moves to drive the moving limiting plate 110 to move, further the limit of the mounting block 111 can be eliminated 100, then the mounting plate 104 is pulled, the mounting plate 104 moves to drive the cooling box 105 to move, the cooling box 105 can be taken out, when the battery body 311 needs to be mounted, the battery body 311 is firstly placed between two groups of fixed transverse plates 308, the second rotating rod 313 is rotated, the mounting vertical plate 312 rotates to drive the threaded rod 305 to rotate through the third bevel gear 314 and the fourth bevel gear 315, the threaded rod 305 rotates to drive the lifting plate 307 to move, the lifting plate 307 moves to drive one group of fixed transverse plates 308 to move, so that the battery body 311 can be clamped, after the battery body 311 is clamped, the sliding transverse rod 317 is pushed to drive the movable plate 318 and the movable limiting block 319 to move, after the battery body 311 is placed in the battery box 2, the sliding transverse rod 317 is loosened, the movable limiting block 319 can be moved into an opening on the limiting vertical plate 316 to limit the limiting vertical plate 316 by rebounding of the limiting spring 320, when the battery body 311 is charged, only the second heat dissipation fan 402 is required to be controlled, the second heat dissipation fan 402 rotates to dissipate heat of the battery body 311, when the filter plate 408 needs to be disassembled, the linkage rod 407 is pulled, the linkage rod 407 moves to drive the movable frame 406 to move, the filter plate 408 can be removed.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.

Claims (9)

1. The bipolar plate flow field structure of the fuel cell is characterized in that: comprising the following steps:

the bipolar plate unit (1), bipolar plate unit (1) include bottom plate (101), roof (102), bipolar plate (103) and first radiator fan (106), and opposite face fixed mounting of bottom plate (101) and roof (102) has bipolar plate (103), and the quantity of first radiator fan (106) is two sets of, and two sets of first radiator fan (106) are located the both sides of bipolar plate (103) respectively.

2. The fuel cell bipolar plate flow field structure of claim 1, wherein: the bipolar plate unit (1) further comprises a mounting plate (104), a heat dissipation box (105), a bidirectional screw rod (107), fixed side rods (108), a first moving block (109), a moving limiting plate (110), a mounting block (111), a first rotating rod (112), a first bevel gear (113) and a second bevel gear (114), the bottom of the mounting plate (104) is fixedly provided with the heat dissipation box (105), the inner walls of the two sides of the heat dissipation box (105) are rotatably provided with a first heat dissipation fan (106), the inner walls of the two sides of the bottom plate (101) are rotatably provided with the bidirectional screw rod (107), the inner walls of the two sides of the bottom plate (101) are fixedly provided with the fixed side rods (108), the first moving block (109) and the fixed side rods (108) are in sliding installation, the first moving block (109) and the bidirectional screw rod (107) are in threaded installation, the top of the bipolar plate unit (1) of the first moving block (109) is fixedly provided with the moving limiting plate (110), one side of the mounting block (111) is fixedly provided with the mounting block (111), the inside of the mounting block (111) is provided with an opening through which the moving limiting plate (110) is movably arranged, the top of the moving limiting plate (110) is arranged in the top of the first rotating rod (101), one end of the first rotating rod (112) extends to the inside of the bottom plate (101) and is fixedly provided with a first bevel gear (113), the outer wall of the bidirectional screw rod (107) is fixedly provided with a second bevel gear (114), and the first bevel gear (113) is meshed with the second bevel gear (114).

3. The fuel cell bipolar plate flow field structure of claim 2, wherein: dustproof ventilation nets are embedded and installed on the inner walls of the two sides of the radiating box (105), the generated wind directions of the two groups of first radiating fans (106) are identical, an opening capable of allowing the movable limiting plate (110) to move is formed in the top of the bottom plate (101), and an opening capable of allowing the radiating box (105) to move is formed in the top plate (102).

4. A fuel cell, characterized in that: a fuel cell bipolar plate flow field structure comprising any one of claims 1-3;

a battery box (2);

the mounting unit (3) is arranged on the battery box (2), the mounting unit (3) comprises a threaded rod (305), a lifting plate (307) and a battery body (311), and the threaded rod (305) is used for driving the lifting plate (307) to lift and fixedly mount the battery body (311);

and a heat radiation unit (4) arranged on the battery box (2), wherein the heat radiation unit (4) comprises a second heat radiation fan (402), and the second heat radiation fan (402) is used for carrying out heat radiation treatment on the battery body (311).

5. The fuel cell according to claim 4, wherein: the mounting unit (3) further comprises a mounting transverse plate (301), a guide rod (302), a sliding block (303), a buffer bottom plate (304), a second moving block (306), a fixed transverse plate (308), a buffer spring (309), a buffer plate (310), a mounting vertical plate (312), a second rotating rod (313), a third bevel gear (314), a fourth bevel gear (315), a limiting vertical plate (316), a sliding cross rod (317), a movable plate (318), a movable limiting block (319) and a limiting spring (320), the guide rod (302) is fixedly arranged at the bottom of the mounting transverse plate (301), the sliding block (303) is slidably arranged on the outer wall of the guide rod (302), the buffer bottom plate (304) is fixedly arranged at the bottom of the guide rod (302), the threaded rod (305) is rotatably arranged at the top of the buffer bottom plate (304) and the bottom of the mounting transverse plate (301), the second moving block (306) is arranged on the outer wall threads of the threaded rod (305), the lifting plate (307) is fixedly arranged on the adjacent side wall of the sliding block (303) and the second moving block (306), the bottom of the lifting plate (307) and the top of the buffer bottom plate (304) are fixedly arranged on the bottom of the buffer bottom plate (308), the buffer bottom (308) is fixedly arranged at the inner side of the buffer bottom (308), the buffer bottom (308) is fixedly arranged at the buffer bottom (308), the bottom fixed mounting of buffer spring (309) has buffer board (310), the top fixed mounting of buffer bottom plate (304) has installation riser (312), one side rotation of installation riser (312) installs second bull stick (313), one side fixed mounting of second bull stick (313) extends to the opposite side of installation riser (312) and fixed mounting has fourth bevel gear (315), the outer wall fixed mounting of threaded rod (305) has third bevel gear (314), third bevel gear (314) meshes with fourth bevel gear (315), the bottom fixed mounting of installation diaphragm (301) has spacing riser (316), one side slidable mounting of battery case (2) has sliding cross bar (317), one end of sliding cross bar (317) extends to the inside of battery case (2) and fixed mounting has fly leaf (318), one side fixed mounting of fly leaf (318) and spacing spring (320), one side of spacing spring (320) and one side inner wall fixed mounting of battery case (2), the inside of fly leaf (316) is opened and can be supplied the opening of fly leaf (319) to move about, the opening of stop block (319) is between two fixed group's (308), the fixed number of being located two in the diaphragm (308) of fixed group.

6. The fuel cell according to claim 5, characterized in that: the heat dissipation unit (4) still includes box with a net (401), mount (403), backup pad (404), telescopic spring (405), remove frame (406), interlock pole (407) and filter (408), the equal fixed mounting in both sides inner wall of battery case (2) has box with a net (401), one side inner wall bipolar plate unit (1) of box with a net (401) and one side inner wall rotation of battery case (2) install second radiator fan (402), both sides of battery case (2) all fixed mounting have mount (403), both sides of battery case (2) all fixed mounting have backup pad (404), the bottom fixed mounting of backup pad (404) has telescopic spring (405), the bottom fixed mounting of telescopic spring (405) has remove frame (406), the top fixed mounting of removal frame (406) has interlock pole (407), the one end of interlock pole (407) extends to the top and fixed mounting has the handle of backup pad (404), interlock pole (407) are slidable mounting with backup pad (404), filter (408) are located between mount (403) and remove frame (406).

7. The fuel cell according to claim 6, characterized in that: the two sides of the buffer plate (310) are fixedly provided with first sliding blocks, the inside of the fixed transverse plate (308) is provided with first sliding grooves, the first sliding blocks are slidably arranged in the second sliding grooves, and the fixed transverse plate (308) and the buffer plate (310) are slidably arranged.

8. The fuel cell according to claim 7, characterized in that: one side of the movable frame (406) is fixedly provided with a second sliding block, a second sliding groove is formed in the battery box (2), the second sliding block is slidably arranged in the second sliding groove, and the movable frame (406) and the battery box (2) are slidably arranged.

9. The fuel cell according to claim 8, characterized in that: air inlets are formed in the inner walls of the two sides of the battery box (2), the air inlets are arranged on one side fixing frame (403) of the filter plate (408) and the movable frame (406) and are all L-shaped, and a shock pad is fixedly adhered to the bottom of the buffer bottom plate (304).