CN221486549U - Heavy-duty truck cooling device for hydrogen fuel cell - Google Patents

Abstract

The utility model provides a cooling device for a hydrogen fuel cell heavy truck, comprising a fixedly connected outer cover body and an outer mounting frame at both sides of the bottom end thereof, a liquid cooling plate structure fixedly connected to the inner side of the outer mounting frame, a recovery pipe fixedly opened at the surface end angle position of the outer cover body, a heat conduction structure fixedly connected to the inner side of the outer cover body, a fin penetrating the top of the heat conduction structure, a heat exchanger and a connecting pipe head fixedly connected to the inner side of the outer cover body, the outer end of the connecting pipe head simultaneously penetrates the outer side of the outer cover body, and supports fixedly connected to the two sides of the bottom end of the heat conduction structure. The heat conduction plate body cooperates with the supports at both sides of the bottom end to form an enclosure at the bottom of the outer cover body, which is convenient for concentrating the heat of the external battery, and the mounting frame of the fan mechanism is matched with the inner side to achieve the effect of air cooling and heat dissipation of the fins protruding from the heat conduction plate body.

Description

A cooling device for a hydrogen fuel cell heavy truck

Technical Field

The utility model relates to the field of hydrogen fuel cells, and more specifically, to a cooling device for a hydrogen fuel cell heavy truck.

Background technique

Hydrogen fuel cells have the advantages of high energy density, fast hydrogen charging, and pollution-free emissions. As a power source for automobiles, they will become one of the important directions for the sustainable development of the automobile industry. Hydrogen fuel cells are the main power source for fuel cell vehicles. They are power generation devices that convert the chemical energy of hydrogen fuel into electrical energy. However, while the electric vehicle industry is developing rapidly, it has also exposed a series of prominent problems. For example, the existing thermal management systems of components such as batteries, electric drives and electronic controls have poor performance, resulting in serious heat accumulation in the operating environment, which has been recognized as the main cause of the above-mentioned industry difficulties.

The cooling device for the battery mechanism in the existing hydrogen fuel cell heavy trucks, when in use, mostly uses a water cooling or air cooling structure to heat treat the generated heat. The problems are:

First, the heat generated by the battery is not discharged through the heat-conducting structure. When it is cooled by the water cooling or air cooling structure, its heat dissipation cooling unit is relatively simple, which leads to unsatisfactory cooling efficiency and effect.

Therefore, the utility model proposes a cooling device for a hydrogen fuel cell heavy truck.

Utility Model Content

The utility model aims to solve the technical problems raised by the above-mentioned background technology and provides a cooling device for a hydrogen fuel cell heavy truck. When in use, the heat generated by the battery is first concentratedly discharged, and then quickly discharged outwardly through air cooling and a fin structure. At the same time, the heat generated by the battery body and the surrounding area is directly contacted by a liquid cooling plate to take away the heat for cooling, thereby having a good heat dissipation and cooling effect.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydrogen fuel cell heavy truck cooling device, comprising a fixedly connected outer cover body and outer mounting frames at both sides of its bottom end, a liquid cooling plate structure fixedly connected to the inner side of the outer mounting frame, a recovery pipe fixedly opened at the surface end corner position of the outer cover body, a heat-conducting structure fixedly connected to the inside of the outer cover body, a fin penetrating the top of the heat-conducting structure, a matching heat exchanger and a connecting pipe head fixedly connected to one side of the inner side of the outer cover body, the outer end of the connecting pipe head also penetrates the outer side of the outer cover body, and supports are fixedly connected to both sides of the bottom end of the heat-conducting structure.

A further preferred solution: the heat-conducting structure includes a heat-conducting plate main body fixedly connected and a mounting frame at its top end, a dust-proof net is fixedly connected to one side of the surface of the mounting frame, and the liquid cooling plate structure includes a support plate fixedly connected and a liquid cooling plate main body, and a transversely arranged outer protective layer is fixedly connected to the surface of the liquid cooling plate main body.

A further preferred solution is that a heat conducting layer is fixedly connected to the bottom surface of the heat conducting plate body.

A further preferred solution is that the fins are vertically embedded in the surface of the heat conducting plate body in a "Z" shape, and multiple groups of fins are distributed laterally along the surface of the heat conducting plate body, and the bottom ends of the fins are connected to the heat conducting layer.

A further preferred solution is that the heat-conducting layer is laterally embedded along the bottom surface of the heat-conducting plate body and is configured as a copper heat-conducting layer.

A further preferred solution is that the heat conducting plate body is arranged as a trapezoidal plate as a whole, with "Z"-shaped protrusions at both ends, the mounting frame is located on the top side of the heat conducting plate body, and a fan mechanism is arranged inside, and the support is arranged as a whole in an "L" shape.

A further preferred solution is that the support plate is configured as a trapezoidal plate as a whole, with both ends protruding outward in a "Z" shape, and the liquid cooling plate body is arranged horizontally and vertically connected to the top of the support plate.

A further preferred solution is that a cooling chamber with a "U"-shaped circulation distribution is provided inside the liquid cooling plate body, one end of the cooling chamber is connected to a connecting pipe head through an external pipe, and the other end is connected to a recovery pipe through an external pipe.

A further preferred solution is that the inner side of the liquid cooling plate body is protruded in a trapezoidal shape.

Beneficial effects:

1. The heat dissipated by the external battery can be concentratedly conducted through the heat conductive layer and the connected fins.

2. The heat conducting plate body cooperates with the supports on both sides of the bottom to form an enclosure at the bottom of the outer cover body, which is convenient for concentrating the heat of the external battery. The mounting frame of the fan mechanism is provided on the inner side to achieve the effect of air cooling and heat dissipation of the fins protruding from the heat conducting plate body.

3. The liquid cooling plate body is used to conduct external cooling liquid, and the support plate is used to facilitate the connection and installation of the entire liquid cooling plate structure and the external mounting frame.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a front view of the overall structure of the utility model;

FIG2 is a front view of the internal structure connection of the device of the utility model;

FIG3 is a schematic diagram of the connection between the heat conduction structure and the liquid cooling plate structure of the present invention;

FIG4 is an enlarged view of the structure at A in FIG3 of the present utility model;

FIG5 is an enlarged view of the structure at B in FIG3 of the present utility model.

In Figures 1-5: 1. Outer cover; 2. Outer mounting frame; 3. Liquid cooling plate structure; 4. Recovery pipe; 5. Heat conduction structure; 6. Fins; 7. Heat exchanger; 8. Connecting pipe head; 9. Support; 10. Heat conduction plate body; 11. Mounting frame; 12. Dustproof net; 13. Heat conduction layer; 14. Support plate; 15. Liquid cooling plate body; 16. Outer protective layer.

Detailed ways

The technical solution in the embodiment of the present utility model will be clearly and completely described below in conjunction with Figures 1 to 5 in the embodiment of the present utility model.

Please refer to Figures 1-5. In the embodiment of the utility model, a cooling device for a hydrogen fuel cell heavy truck includes a fixedly connected outer cover body 1 and an outer mounting frame 2 at both sides of the bottom end thereof, a liquid cooling plate structure 3 is fixedly connected to the inner side of the outer mounting frame 2, a recovery pipe 4 is fixedly opened at the surface end corner position of the outer cover body 1, a heat conducting structure 5 is fixedly connected to the inside of the outer cover body 1, a fin 6 is penetrated through the top of the heat conducting structure 5, a matching heat exchanger 7 and a connecting pipe head 8 are fixedly connected to one side of the inner side of the outer cover body 1, and the outer end of the connecting pipe head 8 penetrates the outer side of the outer cover body 1 at the same time. The bottom ends of the heat-conducting structure 5 are fixedly connected with supports 9. When the device is in use, the liquid cooling plate structure 3 is first removed, and the outer cover 1 and the outer mounting frame 2 are directly covered above the external battery. At this time, the outer cover 1 surrounds the external battery from the upper position, and then the liquid cooling plate structure 3 is connected and fixed to the outer mounting frame 2 through the support plate 14, and the bottom open position of the outer cover 1 is blocked to facilitate the concentration of heat on the inner side of the outer cover 1, and then the overall device is connected to the frame structure of the external battery position through the external mounting frame 2.

In the embodiment of the utility model, the heat-conducting structure 5 includes a fixedly connected heat-conducting plate body 10 and a mounting frame 11 at the top thereof, a dust-proof net 12 is fixedly connected to one side of the surface of the mounting frame 11, the liquid-cooling plate structure 3 includes a fixedly connected support plate 14 and a liquid-cooling plate body 15, a transversely arranged outer protective layer 16 is fixedly connected to the surface of the liquid-cooling plate body 15, a heat-conducting layer 13 is fixedly connected to the bottom surface of the heat-conducting plate body 10, the fins 6 are vertically embedded in the surface of the heat-conducting plate body 10 in a "Z" shape as a whole, and a plurality of groups of fins 6 are laterally distributed along the surface of the heat-conducting plate body 10, and the bottom ends of the fins 6 are connected to the heat-conducting layer 13, the heat-conducting layer 13 is transversely embedded along the bottom surface of the heat-conducting plate body 10, and is arranged as a copper heat-conducting layer 13, and the heat-conducting layer 13 cooperates with the connected fins 6 to achieve the effect of centralized heat conduction of the heat emitted by the external battery.

When the external battery is located inside the outer cover 1, the heat conductive layer 13 adheres to the surface of the external battery, and cooperates with the vertically arranged fins 6 to conduct the heat in a centralized manner, thereby completing the heat dissipation and cooling.

The heat conducting plate body 10 is arranged in a trapezoidal plate as a whole, and the two ends are arranged in a "Z"-shaped protrusion. The mounting frame 11 is located on the top side of the heat conducting plate body 10, and a fan mechanism is arranged inside. The support 9 is arranged in an "L" shape as a whole. The heat conducting plate body 10 cooperates with the supports 9 on both sides of the bottom to form an enclosure at the bottom of the outer cover 1, which is convenient for concentrating the heat of the external battery. The mounting frame 11 with a fan mechanism is arranged inside to achieve the effect of air cooling and heat dissipation of the fins 6 protruding from the heat conducting plate body 10.

During the cooling and heat dissipation process, the heat concentrated by the fins 6 is brought out to one side of the inner part of the outer cover 1 through the fan mechanism provided inside the mounting frame 11 , and the brought out heat is recovered and conducted through the recovery pipe 4 .

The support plate 14 is configured as a trapezoidal plate as a whole, with both ends protruding outward in a "Z" shape. The liquid cooling plate body 15 is arranged horizontally and vertically connected to the top of the support plate 14. A cooling chamber with a "U"-shaped circulation distribution is opened inside the liquid cooling plate body 15. One end of the cooling chamber is connected to the connecting pipe head 8 through an external pipe, and the other end is connected to the recovery pipe 4 through an external pipe. The inner side of the liquid cooling plate body 15 is protruding in a trapezoidal shape. The effect of conducting external cooling liquid is achieved through the liquid cooling plate body 15, and the effect of facilitating the connection and installation of the entire liquid cooling plate structure 3 and the external mounting frame 2 is achieved through the support plate 14.

When cooling and dissipating heat, the external coolant is transported from one end of the liquid cooling plate body 15 to the inside of the liquid cooling plate body 15 through the connecting pipe head 8, and circulates along its internal cavity. The trapezoidal protrusion on the inner side of the liquid cooling plate body 15 fits the surface of the external battery to perform liquid cooling on the external battery. The circulating coolant flows back through the other end of the liquid cooling plate body 15 to the heat exchanger 7 for cooling treatment and then circulates again for cooling.

Claims (9)

1. A cooling device for a hydrogen fuel cell heavy truck, characterized in that it comprises a fixedly connected outer cover (1) and an outer mounting frame (2) at both sides of the bottom end thereof, a liquid cooling plate structure (3) is fixedly connected to the inner side of the outer mounting frame (2), a recovery pipe (4) is fixedly provided at the surface end corner position of the outer cover (1), a heat conducting structure (5) is fixedly connected to the inner side of the outer cover (1), a fin (6) is provided through the top of the heat conducting structure (5), a matching heat exchanger (7) and a connecting pipe head (8) are fixedly connected to one side of the inner side of the outer cover (1), the outer end of the connecting pipe head (8) is simultaneously provided through the outer side of the outer cover (1), and supports (9) are fixedly connected to both sides of the bottom end of the heat conducting structure (5). 2. A hydrogen fuel cell heavy truck cooling device according to claim 1, characterized in that: the heat-conducting structure (5) includes a fixedly connected heat-conducting plate body (10) and a mounting frame (11) at its top position, a dust-proof net (12) is fixedly connected to one side of the surface of the mounting frame (11), and the liquid cooling plate structure (3) includes a fixedly connected support plate (14) and a liquid cooling plate body (15), and a transversely arranged outer protective layer (16) is fixedly connected to the surface of the liquid cooling plate body (15). 3. A hydrogen fuel cell heavy truck cooling device according to claim 2, characterized in that a heat conducting layer (13) is fixedly connected to the bottom surface of the heat conducting plate body (10). 4. A hydrogen fuel cell heavy truck cooling device according to claim 1, characterized in that: the fins (6) are vertically embedded in the surface of the heat conducting plate body (10) in a "Z" shape as a whole, and the fins (6) are distributed in multiple groups laterally along the surface of the heat conducting plate body (10), and the bottom ends of the fins (6) are connected to the heat conducting layer (13). 5. A hydrogen fuel cell heavy truck cooling device according to claim 3, characterized in that: the heat conductive layer (13) is laterally embedded along the bottom surface of the heat conductive plate body (10), and is configured as a copper heat conductive layer (13). 6. A hydrogen fuel cell heavy truck cooling device according to claim 3, characterized in that: the heat conducting plate body (10) is arranged as a trapezoidal plate as a whole, with "Z"-shaped protrusions at both ends, the mounting frame (11) is located on the top side of the heat conducting plate body (10), and a fan mechanism is arranged inside, and the support (9) is arranged as an "L" shape as a whole. 7. A hydrogen fuel cell heavy truck cooling device according to claim 2, characterized in that: the support plate (14) is configured as a trapezoidal plate as a whole, with both ends protruding outward in a "Z" shape, and the liquid cooling plate body (15) is arranged horizontally and vertically connected to the top of the support plate (14). 8. A hydrogen fuel cell heavy truck cooling device according to claim 2, characterized in that: a cooling chamber with a "U"-shaped circulation distribution is opened inside the liquid cooling plate body (15), one end of the cooling chamber is connected to the connecting pipe head (8) through an external pipe, and the other end is connected to the recovery pipe (4) through an external pipe. 9. A hydrogen fuel cell heavy truck cooling device according to claim 8, characterized in that the inner side of the liquid cooling plate body (15) is arranged to protrude in a trapezoidal shape.