Cooling device of air-cooled fuel cell stack

Abstract

The utility model discloses a heat dissipation device of an air-cooled fuel cell stack, which relates to the technical field of heat dissipation devices, and comprises a device supporting table, an inner loading groove is arranged at the central position inside the device supporting table, two inner sliding grooves are arranged inside the inner loading groove, and assembling slots are arranged at the front ends of the inner sliding grooves. The assembling slot and the inner sliding chute are integrated with the device supporting table; the side baffles are arranged on the outer walls of the two sides of the inner carrying groove, the two side baffles are both connected with the device supporting table in a welded mode, ventilation holes are formed in the two side baffles, and a rear seat plate is arranged at the rear ends of the two side baffles; the cooling device for the fuel cell stack solves the problem that the cooling effect of the fuel cell stack is poor due to the fact that an air cooling mechanism of an existing cooling device is matched with a water tank to cool and dissipate heat of the fuel cell stack, but the air cooling mechanism can only cool one face of the fuel cell stack and cannot dissipate heat of the fuel cell stack in all directions.

Description

TECHNICAL FIELD

[0001] The utility model relates to a heat dissipation device technical field, concretely to a heat dissipation device of air -cooled fuel cell stack. BACKGROUND

[0002] Fuel cell stack is a kind of device that the chemical energy of hydrogen fuel is directly converted into electric energy, also be called electrochemical generator. It is the core part of hydrogen fuel cell power system, generates electric energy by electrochemical reaction, fuel cell stack needs to be assisted by heat dissipation device in the process of use to carry out heat dissipation treatment.

[0003] For example, the announcement number is: CN210443624U (named a cooling device of air -cooled fuel cell stack), including the fan being located at fuel cell stack cooling wind inlet, the air inlet side of fan is equipped with cooling mechanism, the cooling mechanism includes water tank, the shell being located at water tank upper portion and one end is connected the fan, the filter screen being located at the other end of shell, the cooling structure being located in the water tank, the humidification structure being located in the shell and being connected to the water tank, the water temperature in water tank is greatly reduced by cooling structure, then low-temperature water forms water mist by the action of humidification structure, to increase the contact area with the cooling wind entering from outside, improve the heat exchange efficiency of cooling wind and water mist, to ensure the cooling of fuel cell to the effective temperature under hot environment, cooling wind also carries part of water mist, enters the cathode side of fuel cell stack, to wet membrane electrode, assists the water management system of fuel cell stack, so that air -cooled fuel cell stack can reach good cooling effect even in hot environment, especially for open air -cooled fuel cell stack, and also can take water mist to assist the water management system of fuel cell stack while cooling.

[0004] The cooling device described above is cooled by the air-cooled mechanism cooperating with the water tank, but the air-cooled mechanism can only cool one side of the fuel cell stack, and cannot achieve full-range cooling of the fuel cell stack, resulting in poor cooling effect of the fuel cell stack. Therefore, we provide a heat dissipation device for air-cooled fuel cell stack. Utility model content

[0005] The utility model aims at providing a heat dissipation device for air-cooled fuel cell stack to solve the problem of poor cooling effect of the fuel cell stack caused by the cooling device described above, which can only cool one side of the fuel cell stack and cannot achieve full-range cooling of the fuel cell stack.

[0006] To achieve the above object, the utility model provides the following technical scheme: A heat dissipation device of air-cooled fuel cell stack, including device support, the inside center position of device support is provided with inner loading groove, the inside of inner loading groove is provided with two inner sliding slots, the front end position of inner sliding slot is provided with assembly slot, and assembly slot and inner sliding slot are integral structure with device support;

[0007] Further comprising:

[0008] Side baffle, which is arranged on the two side walls of the inner loading groove, is welded and connected with the device support, and the inside of the two side baffle is provided with a ventilation hole, and the rear end position of the two side baffle is provided with a rear seat plate, which is welded and connected with the device support;

[0009] The bearing wind cover is integrally formed on the rear end surface of the rear seat plate, and the inside of the bearing wind cover and the rear seat plate is provided with a hollow square groove, and the inside of the hollow square groove is provided with a cooling fan;

[0010] The supporting platform is arranged above the two inner sliding slots, and the upper end of the supporting platform is integrally provided with a circular frame, the inside of the circular frame is rotatably provided with an inner turntable, the upper end center position of the inner turntable is integrally provided with a supporting column, and the top of the supporting column is welded with a loading frame;

[0011] The top seat plate is welded between the two side baffle, and the upper end of the top seat plate is provided with a temperature digital display.

[0012] Preferably, the upper end of the circular frame is welded with a limiting stopper, the inside of the inner turntable is provided with four positioning insertion holes, the spacing between adjacent two positioning insertion holes is equal, and a positioning insertion pin is inserted into one positioning insertion hole and the limiting stopper.

[0013] Preferably, the connecting plug is inserted into the access end of the temperature digital display, and the temperature sensor is arranged at one end of the connecting plug.

[0014] Preferably, the bottom of the supporting platform is integrally provided with four roller seats, and the four roller seats are guidingly and movably connected with the device support through the two inner sliding slots.

[0015] Preferably, the inside of the assembly slot is inserted with a gear plate, the supporting platform and the gear plate abut each other, and a grabbing handle is welded on one side wall of the gear plate.

[0016] Preferably, a threaded stop rod is movably arranged in the screw hole of the loading frame, and a steering handle is welded at one end of the threaded stop rod.

[0017] Preferably, the rear end surface of the bearing wind cover is provided with a driving motor fixed by screws, and the output shaft of the driving motor penetrates the bearing wind cover and is welded with the center position of the cooling fan.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] The utility model discloses a driving motor drives cooling fan rotation, makes cooling fan to the face of fuel cell stack wind -cooled heat dissipation processing, carries out temperature detection to fuel cell stack through temperature digital display and temperature sensor, when the temperature of this face falls, through the rotary connection of inner rotating disc and round frame, make loading frame can carry out 360 degree rotation adjustment, rotates ninety every time, and through the corresponding connection of positioning bolt and positioning insert hole and limiting stop, the position after rotating ninety every time is positioned, so that the heat dissipation device can carry out wind -cooled heat dissipation processing to four faces of fuel cell stack, improve the heat dissipation effect of fuel cell stack, overcome the cooling device of existing cooling device through the setting of wind -cooled mechanism cooperation water tank and carry out cooling heat dissipation to fuel cell stack, but the wind -cooled mechanism can only cool the face of fuel cell stack, cannot realize the all -round heat dissipation of fuel cell stack, lead to the poor heat dissipation effect of fuel cell stack. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the front view of the heat dissipation device structure of the wind -cooled fuel cell stack of the utility model;

[0021] Figure 2 It is the rear view of the heat dissipation device structure of the wind -cooled fuel cell stack of the utility model;

[0022] Figure 3 It is the split structure schematic drawing of the heat dissipation device of the wind -cooled fuel cell stack of the utility model;

[0023] Figure 4 It is the internal structure schematic drawing of the heat dissipation device of the wind -cooled fuel cell stack of the utility model;

[0024] Figure 5 It is the enlarged schematic drawing of the structure of part A of the utility model;

[0025] In the figure: 1, device support table; 2, side baffle; 3, ventilation hole; 4, inner loading groove; 5, gear plate; 6, grabbing handle; 7, loading platform; 8, round frame; 9, inner rotating disc; 10, positioning socket; 11, loading frame; 12, threaded resistance rod; 13, rotating handle; 14, rear seat plate; 15, hollow square groove; 16, cooling fan; 17, top seat plate; 18, temperature digital display; 19, temperature sensor; 20, bearing wind cover; 21, driving motor; 22, connecting plug; 23, assembly slot; 24, inner sliding groove; 25, roller seat; 26, support column; 27, limiting stop block; 28, positioning bolt. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0027] Please refer to Figures 1-5 An embodiment provided by the utility model: a heat dissipation device of an air-cooled fuel cell stack, comprising a device support table 1, an inner loading groove 4 is arranged at the inner center position of the device support table 1, two inner sliding grooves 24 are arranged in the inner loading groove 4, an assembly slot 23 is arranged at the front end position of the inner sliding groove 24, and the assembly slot 23 and the inner sliding groove 24 are integrated structures with the device support table 1.

[0028] Further comprising: a side baffle 2 arranged on the two side outer walls of the inner loading groove 4, both the side baffles 2 are welded and connected with the device support table 1, the inner part of both the side baffles 2 is provided with a ventilation hole 3, a rear seat plate 14 is arranged at the rear end position of both the side baffles 2, and the rear seat plate 14 is welded and connected with the device support table 1.

[0029] A bearing wind cover 20 is integrally formed on the rear end surface of the rear seat plate 14, and the inner part of the bearing wind cover 20 and the rear seat plate 14 is provided with a hollow square groove 15, and the inner part of the hollow square groove 15 is provided with a cooling fan 16.

[0030] A loading platform 7 is arranged at the upper position of the two inner sliding grooves 24, and the upper end of the loading platform 7 is integrally formed with a round frame 8, the inner part of the round frame 8 is rotatably provided with an inner rotating disc 9, the upper end center position of the inner rotating disc 9 is integrally formed with a support column 26, and the top of the support column 26 is welded with a loading frame 11.

[0031] A top seat plate 17 is welded at the position between the two side baffles 2, and the upper end of the top seat plate 17 is provided with a temperature digital display 18.

[0032] In use, the fuel cell stack is placed on the upper end of the loading frame 11, and then the threaded stopper 12 is driven by the rotating handle 13 to abut and clamp the fuel cell stack, then the loading platform 7 is pushed into the upper end of the inner loading groove 4 through the movable connection of the roller seat 25 and the inner sliding groove 24, and the loading platform 7 is installed on the upper end of the inner loading groove 4, and the stop plate 5 is installed to limit the position, then the cooling fan 16 is driven to rotate by the driving motor 21, so that the cooling fan 16 performs air cooling heat dissipation treatment on one face of the fuel cell stack, and the temperature of the fuel cell stack is detected by the temperature digital display 18 and the temperature sensor 19, when the temperature of the face decreases, the inner rotating disc 9 is rotatably connected with the circular frame 8, so that the loading frame 11 can be adjusted by 360 degrees, and each time the loading frame 11 is rotated by 90 degrees, and the position after each rotation by 90 degrees is positioned through the corresponding connection of the positioning pin 28, the positioning hole 10 and the limiting block 27, so that the cooling device can perform air cooling heat dissipation treatment on the four faces of the fuel cell stack, and the heat dissipation effect of the fuel cell stack is improved.

[0033] Please refer to Figure 1 , the upper end of the circular frame 8 is welded with a limiting block 27, the inner portion of the inner rotating disc 9 is provided with four positioning holes 10, the spacing between adjacent two positioning holes 10 is equal, one positioning hole 10 is inserted into the inner hole of the limiting block 27 and is provided with a positioning pin 28, the limiting block 27 welded on the upper end of the circular frame 8 plays a role of facilitating the positioning pin 28 to pass through and be installed for positioning, please refer to Figure 1 and Figure 2 , the connecting plug 22 is inserted on the access end of the temperature digital display 18, one end of the connecting plug 22 is provided with a temperature sensor 19, the connecting plug 22 inserted on the access end of the temperature digital display 18 plays a role of assisting the connection of the temperature sensor 19 and the temperature digital display 18, the model of the temperature digital display 18 and the temperature sensor 19 is A10T, please refer to Figure 4 , the bottom of the loading platform 7 is integrally formed with four roller seats 25, the four roller seats 25 are movably connected with the device support 1 through two inner sliding grooves 24, the four roller seats 25 integrally formed on the bottom of the loading platform 7 play a role of assisting the loading platform 7 to be movably installed on the device support 1, please refer to Figure 1 and Figure 3 , the stop plate 5 is inserted and installed in the assembly slot 23, the loading platform 7 and the stop plate 5 abut each other, the stop plate 5 is welded with a grabbing handle 6 on one side of the outer wall, the stop plate 5 inserted and installed in the assembly slot 23 plays a role of limiting the loading platform 7, please refer to Figure 1 , the threaded stopper 12 is movably inserted in the screw hole of the loading frame 11, one end of the threaded stopper 12 is welded with a rotating handle 13, the threaded stopper 12 movably inserted in the screw hole of the loading frame 11 plays a role of movably adjusting the position to clamp the fuel cell stack, please refer toFigure 1 and Figure 2 The driving motor 21 is fixed on the rear end surface of the bearing wind cover 20 by screw, the output shaft of the driving motor 21 penetrates the bearing wind cover 20 and is welded with the center position of the cooling fan 16, the driving motor 21 fixed on the rear end surface of the bearing wind cover 20 by screw plays a role of driving the cooling fan 16 to rotate.

[0034] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but rather can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the above description, and it is intended that all changes and modifications which come within the meaning and range of equivalency of the claims are embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A heat dissipation device for an air-cooled fuel cell stack, comprising a device support (1), an inner loading groove (4) is provided at the center of the device support (1), two inner sliding grooves (24) are provided inside the inner loading groove (4), an assembly slot (23) is provided at the front end of the inner sliding groove (24), and the assembly slot (23) and the inner sliding groove (24) are both integrally formed with the device support (1); Its features are: Also includes: Side baffles (2) are provided on the outer walls of both sides of the inner loading groove (4). Both side baffles (2) are welded to the device support (1). Both side baffles (2) are provided with ventilation holes (3). A rear seat plate (14) is provided at the rear end of the two side baffles (2). The rear seat plate (14) is welded to the device support (1). The support shroud (20) is integrally formed on the rear end face of the rear seat plate (14), and the support shroud (20) and the rear seat plate (14) are provided with a hollow square groove (15), and a cooling fan (16) is provided inside the hollow square groove (15). The loading platform (7) is positioned above the two inner slides (24), and the upper end of the loading platform (7) is integrally formed with a circular frame (8). The inner turntable (9) is rotatably arranged inside the circular frame (8). A support column (26) is integrally formed at the upper center of the inner turntable (9), and a loading frame (11) is welded to the top of the support column (26). The top plate (17) is welded between the two side baffles (2), and a temperature digital display (18) is provided at the upper end of the top plate (17).

2. The heat dissipation device for an air-cooled fuel cell stack according to claim 1, characterized in that: The upper end of the circular frame (8) is welded with a limit block (27), and the inner turntable (9) is provided with four positioning holes (10). The distance between two adjacent positioning holes (10) is equal. A positioning pin (28) is inserted into the hole inside the limit block (27) of one positioning hole (10).

3. The heat dissipation device for an air-cooled fuel cell stack according to claim 1, characterized in that: The temperature digital display (18) is connected to a connector (22), and a temperature sensor (19) is provided at one end of the connector (22).

4. The heat dissipation device for an air-cooled fuel cell stack according to claim 1, characterized in that: The bottom of the support platform (7) is integrally formed with four roller seats (25), and the four roller seats (25) are guided and movably connected to the device support platform (1) through two inner sliding grooves (24).

5. The heat dissipation device for an air-cooled fuel cell stack according to claim 1, characterized in that: A stop plate (5) is inserted into the assembly slot (23), and the support platform (7) abuts against the stop plate (5). A gripping handle (6) is welded to one side of the outer wall of the stop plate (5).

6. The heat dissipation device for an air-cooled fuel cell stack according to claim 1, characterized in that: A threaded abutment (12) is movably connected through the internal threaded hole of the loading frame (11), and a throttle (13) is welded to one end of the threaded abutment (12).

7. The heat dissipation device for an air-cooled fuel cell stack according to claim 1, characterized in that: A drive motor (21) is fixedly mounted on the rear end face of the bearing shroud (20) by screws. The output shaft of the drive motor (21) passes through the bearing shroud (20) and is welded to the center of the cooling fan (16).

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