CN217589137U

CN217589137U - Mobile charging device

Info

Publication number: CN217589137U
Application number: CN202221033904.0U
Authority: CN
Inventors: 何亚飞
Original assignee: Envision Power Technology Jiangsu Co Ltd; Envision Ruitai Power Technology Shanghai Co Ltd
Current assignee: Envision Power Technology Jiangsu Co Ltd; Envision Ruitai Power Technology Shanghai Co Ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-10-14
Anticipated expiration: 2032-04-29

Abstract

The utility model relates to a battery technology field especially relates to a mobile charging device. The battery charging device comprises a shell, a battery module and an air cooling assembly, wherein the shell comprises a bearing part with a charging surface, the bearing part is at least provided with a plurality of accommodating spaces arranged in parallel, the bearing part is provided with an air inlet and an air outlet, and the air inlet and the air outlet are both communicated with the accommodating spaces; the battery modules are arranged in the accommodating space and are in one-to-one correspondence with the accommodating space; the air-cooling assembly includes heat-conducting fins configured to dissipate heat of the battery module. The heat of battery module is absorbed to the heat conduction fin, because the surface area of heat conduction fin increases for the surface area of battery module, can improve the heat radiating area of battery module like this, can make more effluviums of heat, has improved refrigeration effect, makes the heat that the battery module produced can in time effluvium.

Description

Mobile charging device

Technical Field

The utility model relates to a battery technology field especially relates to a mobile charging device.

Background

The electric power is an energy source using electric energy as power, and is an electric power production and consumption system composed of links of power generation, power transmission, power transformation, power distribution, power utilization and the like. When power is cut off or power is insufficient, an energy storage device is often needed to meet the requirements of people.

The mobile charging trolley can be moved to different positions according to the requirement to realize the charging requirement, and comprises a plurality of battery modules. Most of mobile charging trolleys adopt a liquid cooling mode to cool the battery module, the liquid cooling mode needs to be externally connected with a water cooler, the water cooler needs to be manually connected when the mobile charging trolleys are used, the automation degree is low, and the running cost of the charging trolleys can be increased; a small number of mobile charging trolleys adopt an air cooling mode to cool the battery module, but the mobile charging trolleys adopting the air cooling mode to cool directly blow air to the surface of the module to realize heat dissipation when cooling, so that the heat dissipation area is not enough, and the heat dissipation effect is not good.

Therefore, a mobile charging device is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a remove charging device can improve the heat radiating area on battery module surface, improves the radiating effect.

To achieve the purpose, the utility model adopts the following technical proposal:

a mobile charging device, comprising:

the shell comprises a bearing part with a charging surface, wherein the bearing part is at least provided with a plurality of accommodating spaces arranged in parallel, the bearing part is provided with an air inlet and an air outlet, and the air inlet and the air outlet are both communicated with the accommodating spaces;

the battery modules are arranged in the accommodating space and are in one-to-one correspondence with the accommodating space;

and the air cooling assembly comprises heat conducting fins which are configured to dissipate heat of the battery module.

As a preferable technical solution of the above mobile charging device, the heat conducting fins are disposed at the top and the bottom of each battery module.

As a preferable technical solution of the above mobile charging device, the heat conducting fin includes a base body and a plurality of heat radiating fins, the plurality of heat radiating fins are arranged on the base body at intervals, and a heat radiating channel is formed between two adjacent heat radiating fins.

As a preferable technical solution of the mobile charging device, a heat conducting pad is disposed between the heat conducting fin and the battery module.

As a preferable technical scheme of the mobile charging device, a fireproof heat insulation layer is arranged between the adjacent heat conduction fins.

As a preferable technical solution of the above mobile charging device, the heat conducting fin is connected to the battery module through a bolt or a heat conducting glue.

As a preferable technical solution of the above mobile charging device, the air-cooled component further includes an air-extracting fan, the air-extracting fan is disposed at the air outlet, and the bearing portion is provided with the air outlet along a length direction of the heat dissipation channel.

As a preferred technical scheme of the above mobile charging device, the air-cooled assembly further comprises an air supply fan, and the air supply fan is arranged at the air inlet.

As a preferable technical solution of the above mobile charging device, the air outlet is disposed on a front side wall of the carrying portion, and the air inlet is disposed on a bottom wall of the carrying portion.

As a preferable technical solution of the mobile charging device, a rear side wall of the carrying portion is provided with a wind shielding foam.

As a preferable aspect of the mobile charging device, the battery module includes:

an outer frame is arranged on the outer frame,

the battery core assembly comprises a plurality of battery cores, the battery cores are stacked, and the battery core assembly is arranged in the outer frame;

and the heat conduction structure adhesive is arranged between the electric core assembly and the outer frame.

The utility model discloses beneficial effect:

the heat of battery module is absorbed to the heat conduction fin, because the surface area of heat conduction fin increases for the surface area of battery module, can improve the heat radiating area of battery module like this, can make more effluviums of heat, has improved refrigeration effect, makes the heat that the battery module produced can in time effluvium. Compare with the removal charging device who uses the liquid cooling among the prior art, the utility model provides a removal charging device need not extra water-cooled generator, coolant liquid and manual operation in the use, reduces the operation cost.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a mobile charging device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a positional relationship between a battery module and a heat-conducting fin according to an embodiment of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

In the figure:

1. a bearing part; 2. a battery module; 3. a heat conductive fin; 31. a substrate; 32. a heat sink; 4. a thermally conductive pad; 5. a fireproof heat-insulating layer; 6. an exhaust fan; 7. and (5) wind shielding foam.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected", "connected" and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The mobile charging device in the prior art mainly comprises a plurality of battery modules, and the heat dissipation of the battery modules mainly depends on directly blowing wind to the surfaces of the modules to realize heat dissipation, so that the heat dissipation area is insufficient, and the heat dissipation effect is poor.

In order to solve the problem, the utility model provides a can increase heat radiating area's removal charging device can improve the radiating effect of battery module.

As shown in fig. 1, the mobile charging device includes a housing, a battery module 2 and an air-cooling assembly, wherein the housing includes a bearing portion 1 having a charging surface, the bearing portion 1 is at least formed with a plurality of accommodating spaces arranged in parallel, the bearing portion 1 has an air inlet and an air outlet, and both the air inlet and the air outlet are communicated with the accommodating spaces; the battery modules 2 are arranged in the accommodating space, and the battery modules 2 and the accommodating space are arranged in a one-to-one correspondence manner; the air-cooled component includes heat-conducting fins 3, and the heat-conducting fins 3 are configured to dissipate heat from the battery module 2. The heat of battery module 2 is absorbed to heat conduction fin 3, because heat conduction fin 3's surface area increases for battery module 2's surface area, can improve battery module 2's heat radiating area like this, can make more effluviums of heat, has improved refrigeration effect, makes the heat that battery module 2 produced can in time effluvium. Compare with the removal charging device who uses liquid cooling among the prior art, the removal charging device that this embodiment provided need not extra water-cooled generator, coolant liquid and manual operation in the use, reduces the operation cost.

In order to further increase the heat dissipation area of the battery modules 2, in the present embodiment, the top and bottom of each battery module 2 are provided with heat conductive fins 3. The heat-conducting fins 3 can increase the heat-radiating area by about 160%, namely the heat-radiating area is about 2.6 times of the heat-radiating area of the battery module 2, so that the heat-radiating effect of the battery module 2 can be increased, and the use operating condition of the charging trolley can be met by using an air-cooling heat-radiating mode.

In order to further improve the heat dissipation effect of the battery module 2, in the present embodiment, as shown in fig. 1, a heat conduction pad 4 is disposed between the heat conduction fin 3 and the battery module 2. The thermal pad 4 can accelerate the absorption of heat generated from the battery module 2 and transfer the absorbed heat to the thermal fin 3.

Further, as shown in fig. 2 and 3, the heat conducting fin 3 includes a base 31 and a plurality of heat dissipating fins 32, the plurality of heat dissipating fins 32 are disposed on the base 31 at intervals, and a heat dissipating channel is formed between two adjacent heat dissipating fins 32. The formation of the heat dissipation channel can regulate the circulation direction for air and reduce the loss of air volume. For example, the heat dissipation fins 32 may have a plate-like or circular arc-like structure, and in order to facilitate the manufacturing of the heat dissipation fins 32, the heat dissipation fins 32 are formed in a plate-like structure in the present embodiment, a plurality of heat dissipation fins 32 are disposed in parallel and at intervals on the base 31, and the base 31 is connected to the battery module 2. In detail, the base 31 and the battery module 2 can be connected by a bolt connection method, and the assembly structure is simple. Of course, the base 31 and the battery module 2 may be connected by heat-conducting adhesive. That is, the heat conductive fins 3 are connected to the battery module 2 by bolts or heat conductive paste. The whole heat conduction fin 3 is an extruded section, so that the working clothes are simple, and the manufacturing cost is low.

Because heat conduction fin 3 sets up at the top and the bottom of battery module 2, in order to avoid heat mutual transmission between the adjacent heat conduction fin 3, be provided with fire prevention insulating layer 5 between the adjacent heat conduction fin 3. Increase fire prevention insulating layer 5 between the heat conduction fin about being located, fire prevention insulating layer 5 plays the separation effect, can prevent that the hot gas that battery module 2 produced from up erupting, and fire prevention insulating layer 5 possesses thermal-insulated function, can prevent thermal transmission, effectively prevents the heat diffusion between battery module 2. The fireproof and heat-insulating layer 5 is a mica layer or a foam layer, for example.

In order to accelerate the heat dissipation of the battery module 2 and increase the air circulation speed, in this embodiment, referring to fig. 1, the air-cooling assembly further includes an air-extracting fan 6, the air-extracting fan 6 is disposed at the air outlet, and the bearing portion 1 is provided with the air outlet along the length direction of the heat dissipation channel. Namely, the air directly flows out from the air outlet after exchanging heat with the radiating fins 32 from the radiating channel, so that the influence on the performance caused by the temperature rise of other structures in the shell by hot air can be avoided. Preferably, the air outlet is disposed on a side wall of the carrying portion 1, so as to guide the hot air in the heat dissipation channel.

In order to improve the total amount of cold air entering casing, air cooling subassembly still includes the blower fan in this embodiment, and the blower fan sets up in the air intake. The air supply fan is mutually matched with the exhaust fan 6, so that the circulation speed of air can be increased, the air is prevented from staying for too long in the shell, and the heat dissipation efficiency of the battery module 2 is improved. The air inlet is arranged on the bottom wall of the bearing part 1. Air can be circulated according to a set path, and it can be ensured that each battery module 2 has cool air flowing through, compared with the case where the air inlet is provided in the rear side wall of the carrier portion 1.

It should be noted that both the suction fan 6 and the blowing fan belong to standard fans, and a separate design is not required, thereby reducing the development cost. The number of the extraction fans 6 and the blowing fans is not particularly limited, and is specifically arranged according to the size of the bearing part 1.

As shown in fig. 1, the bearing part 1 is formed by welding a plurality of square pipes, and has a simple structure and high manufacturability. Because heat dissipation channel's length direction is two-way, the air probably flows from heat dissipation channel's both ends at actual circulation in-process like this, in order to prevent that the cold air amount of wind from losing, in this embodiment, be provided with on the rear side wall of bearing part 1 and keep out the wind bubble cotton 7, keep out the wind bubble cotton 7 and prevent that the cold air from flowing from rear side wall department. The fins and the wind shielding foam 7 are matched with each other, so that the circulation direction of air is regulated, and the refrigeration effect is enhanced.

The shell further comprises walking wheels, and the walking wheels are arranged below the bearing part 1, so that the whole charging device can be conveniently moved.

The battery module 2 comprises an outer frame, an electric core assembly and heat-conducting structural adhesive, wherein the electric core assembly is arranged in the outer frame and comprises a plurality of electric cores which are stacked; the heat-conducting structural adhesive is arranged between the electric core assembly and the outer frame. The heat conducting structure glue can transfer the heat generated by the electric core component to the outer frame.

The heat dissipation path of the mobile charging device is electric core → heat conducting structural adhesive → shell → heat conducting pad 4 → heat conducting fin 3 → air, and the air supply fan and the air extraction fan 6 work in coordination to accelerate the flow speed of the air, so that the time for the air to stay in the shell is short, the speed for taking away the heat can be accelerated, and the heat dissipation effect is improved.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A mobile charging apparatus, comprising:

the shell comprises a bearing part (1) with a charging surface, wherein at least a plurality of accommodating spaces arranged in parallel are formed in the bearing part (1), the bearing part (1) is provided with an air inlet and an air outlet, and the air inlet and the air outlet are both communicated with the accommodating spaces;

the battery modules (2) are arranged in the accommodating space, and the battery modules (2) and the accommodating space are arranged in a one-to-one correspondence manner;

an air-cooled assembly comprising heat conducting fins (3), the heat conducting fins (3) being configured to dissipate heat from the battery module (2).

2. The mobile charging device according to claim 1, wherein the heat conductive fins (3) are provided at the top and bottom of each battery module (2).

3. The mobile charging device according to claim 2, wherein the heat-conducting fin (3) comprises a base body (31) and a plurality of heat-radiating fins (32), the plurality of heat-radiating fins (32) are arranged on the base body (31) at intervals, and heat-radiating channels are formed on two adjacent heat-radiating fins (32).

4. The mobile charging device according to claim 2, wherein a heat conducting pad (4) is disposed between the heat conducting fin (3) and the battery module (2).

5. Mobile charging arrangement according to claim 2, characterized in that a fire-proof thermal insulation layer (5) is arranged between adjacent heat conducting fins (3).

6. The mobile charging device according to claim 2, wherein the heat-conducting fin (3) is connected to the battery module (2) by a bolt or a heat-conducting glue.

7. The mobile charging device according to claim 3, wherein the air-cooled assembly further comprises an air extracting fan (6), the air extracting fan (6) is disposed at the air outlet, and the bearing portion (1) is disposed with the air outlet along a length direction of the heat dissipation channel.

8. The mobile charging apparatus of claim 2, wherein the air-cooled assembly further comprises a blower fan disposed at the air inlet.

9. The mobile charging device according to claim 1, wherein the air outlet is provided on a front side wall of the carrying portion (1) and the air inlet is provided on a bottom wall of the carrying portion (1).

10. Mobile charging device according to any of claims 1-9, characterized in that a wind-shielding foam (7) is arranged on the rear side wall of the carrier part (1).