CN220652221U - Lithium battery BMS fast-assembling heat dissipation casing - Google Patents

Abstract

The utility model relates to the technical field of lithium battery shells, in particular to a lithium battery BMS fast-assembling heat dissipation shell, which comprises a box body with an opening at the top, a box cover hinged with the box body, a plurality of L-shaped heat dissipation fins arranged on the inner wall of the box body, and a liquid cooling circulation unit, wherein the liquid cooling circulation unit is arranged in the box body and comprises a plurality of cooling branch pipes, a main flow pipe and a circulation pump arranged on the outer side of the box body, the cooling branch pipes are connected with the main flow pipe, the circulation pump is connected with two ends of the main flow pipe, the structure of the heat dissipation shell is improved, the liquid cooling circulation unit is additionally arranged, the cooling branch pipes are arranged in each L-shaped heat dissipation fin, and the main flow pipe is matched with the circulation pump to enable the fluid in the cooling branch pipes to circulate, so that the heat dissipation capacity of the L-shaped heat dissipation fins is improved, and the problem of heat accumulation caused by insufficient natural heat dissipation efficiency is avoided.

Description

Lithium battery BMS fast-assembling heat dissipation casing

Technical Field

The utility model relates to the technical field of lithium battery shells, in particular to a lithium battery BMS fast-assembling heat dissipation shell.

Background

The chemical characteristics of lithium metal are very active, so that the processing, storage and use of lithium metal have very high requirements on environment. Along with the development of science and technology, the lithium battery has become mainstream, and the lithium battery has the advantages of energy saving and environmental protection, and aiming at the existing lithium battery, a protective shell is generally arranged outside the lithium battery, so that the protection effect of the lithium battery is realized, but a plurality of existing protective shells only play a role in protecting the lithium battery, do not have a heat dissipation function, and can emit a large amount of heat after being used for a long time, if the heat cannot be timely emitted, the lithium battery is easy to damage, and the service life of the lithium battery is reduced;

the traditional Chinese patent of the utility model with the document number of CN 218548677U discloses a quick-mounting heat dissipation shell of a lithium battery BMS, which comprises a box body with an opening at the top, a box cover hinged with the box body and a plurality of L-shaped heat dissipation fins arranged on the inner wall of the box body, wherein the lithium battery is arranged on the L-shaped heat dissipation fins, so that the heat dissipation of the lithium battery can be realized;

however, in the use process of the device, the device is mainly dependent on a heat dissipation channel formed between the heat dissipation fins to realize heat dissipation, but the heat generated by the lithium battery is higher, and the heat accumulation easily occurs due to natural heat dissipation.

Disclosure of Invention

The utility model aims to provide a quick-mounting heat dissipation shell of a lithium battery BMS, which aims to solve the problem that the heat dissipation shell depends on natural heat dissipation and has insufficient heat dissipation efficiency in the prior art.

In order to achieve the above purpose, the utility model provides a lithium battery BMS fast-assembling heat dissipation shell, which comprises a box body with an opening at the top, a box cover hinged with the box body, a plurality of L-shaped cooling fins arranged on the inner wall of the box body, and a liquid cooling circulation unit, wherein the liquid cooling circulation unit is arranged in the box body and comprises a plurality of cooling branch pipes, a main flow pipe and a circulation pump, wherein the cooling branch pipes are arranged in the L-shaped cooling fins in a one-to-one correspondence manner, the circulation pump is arranged on the outer side of the box body, the cooling branch pipes are all connected with the main flow pipe, and the circulation pump is connected with two ends of the main flow pipe.

Each cooling branch pipe comprises a liquid inlet end and an output end, wherein the liquid inlet ends are arranged on one side of the cooling branch pipe and are connected with the main flow pipe, and the output ends are also communicated with the main flow pipe.

The main flow pipe comprises a rubber pipe section and a circulating pipe, wherein the rubber pipe section is arranged at two ends of the circulating pipe, the rubber pipe section is connected with the circulating pump, and a plurality of alternating current ports connected with the liquid inlet end and the output end are arranged along the length extending direction of the circulating pipe.

The circulating pipe comprises a placement support and a pipe body, wherein the placement support is arranged on one side of a plurality of L-shaped radiating fins, the placement support is welded with the L-shaped radiating fins, and the pipe body is placed on the placement support.

The connecting columns are uniformly distributed on the other side of the placement support and welded on the corresponding L-shaped cooling fins.

According to the lithium battery BMS fast-assembly heat dissipation shell, the structure of the heat dissipation shell is improved on the basis of the prior art, the liquid cooling circulation units are additionally arranged, the cooling branch pipes are arranged in the L-shaped heat dissipation fins, and the main flow pipes are matched with the circulation pump to enable fluid in the cooling branch pipes to circulate, so that the heat dissipation capacity of the L-shaped heat dissipation fins is improved, and the problem of heat accumulation caused by insufficient natural heat dissipation efficiency is solved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic view of an internal structure of a case of a fast-assembled heat dissipation case of a lithium battery BMS according to the present utility model.

Fig. 2 is a schematic overall sectional structure of a fast-assembled heat dissipation case of a lithium battery BMS according to the present utility model.

Fig. 3 is a schematic diagram of an axial structure of an L-shaped heat sink and a part of liquid cooling circulation unit of a fast-assembled heat dissipation housing of a lithium battery BMS according to the present utility model.

101-box body, 102-box cover, 103-L-shaped cooling fin, 104-cooling branch pipe, 105-main flow pipe, 106-circulating pump, 107-liquid inlet end, 108-output end, 109-rubber pipe section, 110-circulating pipe, 201-installation support, 202-pipe body, 203-containing protrusion and 204-connecting column.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

First embodiment

Referring to fig. 1 to 2, fig. 1 is a schematic diagram of an internal structure of a case of a fast-assembling heat dissipation case of a lithium battery BMS according to the present utility model, and fig. 2 is a schematic diagram of an overall sectional structure of a fast-assembling heat dissipation case of a lithium battery BMS according to the present utility model.

The utility model provides a lithium battery BMS fast-assembling heat dissipation shell, which comprises a box body 101 with an opening at the top, a box cover 102 hinged with the box body 101, a plurality of L-shaped heat dissipation fins 103 arranged on the inner wall of the box body 101, and a liquid cooling circulation unit, wherein the liquid cooling circulation unit is arranged in the box body 101 and comprises a plurality of cooling branch pipes 104, a main flow pipe 105 and a circulation pump 106 arranged on the outer side of the box body 101, the cooling branch pipes 104 are correspondingly arranged in the L-shaped heat dissipation fins 103 one by one, each cooling branch pipe 104 comprises a liquid inlet end 107 and an output end 108, the main flow pipe 105 comprises a rubber pipe section 109 and a circulation pipe 110, the cooling branch pipes 104 are connected with the main flow pipe 105, and the circulation pump 106 is connected with two ends of the main flow pipe 105.

In this embodiment, the top opening of the box 101 is used to mount the box cover 102 and the L-shaped cooling fins 103, and the lithium battery is mounted on the L-shaped cooling fins 103, so as to dissipate heat by using a heat dissipation channel formed between the L-shaped cooling fins 103.

Wherein, the liquid inlet end 107 is arranged at one side of the cooling branch pipe 104, the liquid inlet end 107 is connected with the main flow pipe 105, and the output end 108 is also communicated with the main flow pipe 105.

The liquid inlet end 107 is adapted to the outlet end 108 so that the cooling liquid is discharged after circulating in the L-shaped cooling fins 103.

Secondly, the rubber pipe section 109 is disposed at two ends of the circulation pipe 110, and the rubber pipe section 109 is connected to the circulation pump 106, and a plurality of ac ports connected to the liquid inlet 107 and the liquid outlet 108 are disposed along the extending direction of the length of the circulation pipe 110.

The rubber tube segment 109 may deform to allow the circulation tube 110 to accommodate the displacement of the L-shaped fin 103.

Second embodiment

Referring to fig. 3, fig. 3 is a schematic axial view of an L-shaped heat sink and a part of liquid cooling circulation unit of a fast-assembled heat dissipation housing of a lithium battery BMS according to the present utility model.

On the basis of the first embodiment, the circulating pipe 110 of the present utility model comprises a placement bracket 201 and a pipe body 202, wherein the placement bracket 201 is arranged at one side of a plurality of the L-shaped cooling fins 103, the placement bracket 201 is welded with a plurality of the L-shaped cooling fins 103, and the pipe body 202 is placed on the placement bracket 201;

the accommodating protrusion 203 and the connecting columns 204 welded with the L-shaped cooling fins 103 are arranged on the accommodating support 201, the accommodating protrusion 203 is arranged on one side of the accommodating support 201, and the connecting columns 204 are uniformly distributed on the other side of the accommodating support 201 and welded on the corresponding L-shaped cooling fins 103.

The positioning bracket 201 is welded to the plurality of L-shaped heat dissipation fins 103, the pipe 202 is disposed on the positioning bracket 201, the pipe 202 is positioned on the accommodating protrusion 203 by using the cooperation of the pipe 202 and the positioning bracket 201, so that the positioning of the pipe 202 can be achieved, and the connecting column 204 is used for positioning the positioning bracket 201.

According to the lithium battery BMS fast-assembly heat dissipation shell, the structure of the heat dissipation shell is improved on the basis of the prior art, the liquid cooling circulation units are additionally arranged, the cooling branch pipes 104 are arranged in the L-shaped heat dissipation fins 103, and the main flow pipes 105 are arranged to be matched with the circulation pump 106 so that fluid in the cooling branch pipes 104 can circulate, and therefore the heat dissipation capacity of the L-shaped heat dissipation fins 103 is improved, and the problem of heat accumulation caused by insufficient natural heat dissipation efficiency is avoided.

The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present utility model.

Claims (5)

1. The lithium battery BMS fast-assembling heat dissipation shell comprises a box body with an opening at the top, a box cover hinged with the box body and a plurality of L-shaped heat dissipation fins arranged on the inner wall of the box body, and is characterized in that,

the cooling device is characterized by further comprising a liquid cooling circulation unit, wherein the liquid cooling circulation unit is arranged in the box body and comprises a plurality of cooling branch pipes, a main flow pipe and a circulation pump, the cooling branch pipes and the main flow pipe are arranged in the L-shaped cooling fins in a one-to-one correspondence mode, the circulation pump is arranged outside the box body, the cooling branch pipes are all connected with the main flow pipe, and the circulation pump is connected with two ends of the main flow pipe.

2. The lithium battery BMS quick-assembling heat dissipation case of claim 1, wherein,

each cooling branch pipe comprises a liquid inlet end and an output end, wherein the liquid inlet end is arranged on one side of the cooling branch pipe and is connected with the main flow pipe, and the output end is also communicated with the main flow pipe.

3. The lithium battery BMS fast-assembling heat dissipation case of claim 2, wherein,

the main flow pipe comprises a rubber pipe section and a circulating pipe, wherein the rubber pipe section is arranged at two ends of the circulating pipe, the rubber pipe section is connected with the circulating pump, and a plurality of alternating current ports connected with the liquid inlet end and the output end are arranged along the length extending direction of the circulating pipe.

4. The lithium battery BMS fast-assembling heat dissipation case of claim 3, wherein,

the circulating pipe comprises a placement bracket and a pipe body, wherein the placement bracket is arranged on one side of a plurality of L-shaped radiating fins, the placement bracket is welded with the L-shaped radiating fins, and the pipe body is placed on the placement bracket.

5. The lithium battery BMS quick-assembling heat dissipation case of claim 4, wherein,

the connecting columns are uniformly distributed on the other side of the placement support and welded on the corresponding L-shaped cooling fins.