CN215834591U

CN215834591U - Battery BMS heat dissipation shell

Info

Publication number: CN215834591U
Application number: CN202121874739.7U
Authority: CN
Inventors: 方荣辉; 许叶洪
Original assignee: Longhai Tev Automotive Electronic Research Institute Co ltd
Current assignee: Longhai Tev Automotive Electronic Research Institute Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-02-15
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses a battery BMS heat dissipation shell, which belongs to the technical field of battery shells and comprises a lower shell and an upper shell, wherein a plurality of groups of heat dissipation grooves are arranged on the lower end surface of the lower shell at equal intervals, a heat dissipation outlet is arranged at the bottom of an inner cavity of the lower shell, positioning assemblies are arranged on two side walls of the inner cavity of the lower shell, a battery BMS assembly is arranged between the two groups of positioning assemblies, a fan is arranged on one side of the lower shell, an air outlet port of the fan is connected with a main air pipe, a plurality of groups of air outlet pipes with different lengths are arranged on one side of the main air pipe, heat dissipation meshes are arranged on one side of the lower shell, a supporting assembly is arranged on the top side of the inner cavity of the upper shell, heat conduction insulating elastic rubber is arranged on the upper end surface and the lower end surface of the battery BMS assembly, and sealing installation assemblies are arranged on two sides of the lower shell and the upper shell.

Description

Battery BMS heat dissipation shell

Technical Field

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

Background

The battery management system is called BMS for short, is a core part of a power battery pack, is a link between a battery and a user, and plays important roles of protecting the safety of the battery, prolonging the service life of the battery, monitoring the state of the battery in real time and the like; because BMS battery management system uses and places in quick-witted incasement portion often, the calorific capacity of during operation can influence the uniformity of battery to influence battery life-span.

Chinese patent publication No. CN202021035222.4 discloses a power lithium battery BMS protection device with diathermanous property, which includes a protection box, a lithium battery body is placed inside the protection box, a heat dissipation mechanism is installed at one side of the protection box, a through groove is included inside the heat dissipation mechanism, the through groove is fixedly connected with one side of the protection box, a heat dissipation fan is fixedly installed inside the through groove, a partition plate is connected to one side of the through groove, a dust screen is connected to the inside of the partition plate in an embedded manner, a first screwing bolt is connected to the inside of the partition plate in a threaded manner, and the first screwing bolt penetrates through the partition plate and is connected with one side of the through groove in an embedded manner; although the utility model discloses a through the heat dissipation fan with heat discharge, realize the radiating effect, nevertheless through second hand screw and thread groove cooperation, install the lithium cell, lead to the installation hard and time-consuming again.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide the heat dissipation shell which has the advantages of good heat dissipation effect, improved energy efficiency and prolonged service life of the power battery and convenient installation.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a battery BMS heat dissipation shell, which is characterized in that: the solar heat collector comprises a lower shell and an upper shell, wherein a plurality of groups of heat dissipation grooves are formed in the lower end face of the lower shell at equal intervals, heat dissipation outlets are correspondingly formed between the bottom of an inner cavity of the lower shell and the heat dissipation grooves, positioning assemblies are arranged on two side walls of the inner cavity of the lower shell, a battery BMS assembly is installed between the two groups of positioning assemblies, a fan is arranged on one side of the lower shell, an air outlet port of the fan is connected with a main air pipe, a plurality of groups of air outlet pipes with different lengths are arranged on one side of the main air pipe, and heat dissipation meshes are formed in one side of the lower shell corresponding to the air outlet pipes;

the battery pack is characterized in that a supporting assembly is arranged on the top side of an inner cavity of the upper shell, heat-conducting and insulating elastic rubber is arranged on the upper end face and the lower end face of the battery BMS assembly and is respectively connected with the supporting assembly and the positioning assembly, and sealing installation assemblies are arranged on the two sides of the lower shell and the upper shell.

In a preferred embodiment of the present invention, the positioning assembly includes a fixing plate disposed inside the lower housing, one side of the fixing plate is connected to a spring, and one side of the spring, which is away from the fixing plate, is provided with positioning pressing members mounted on both sides of the battery BMS assembly.

The utility model has the preferable technical scheme that the heat-conducting insulating elastic rubber is formed by connecting a plurality of groups of rubber bodies through supporting rods, and supporting rods at two ends of the heat-conducting insulating elastic rubber penetrate through the positioning pressing piece to be connected with the fixing plate.

The utility model has the preferable technical scheme that the supporting assembly comprises a sliding rod connected with the heat-conducting insulating elastic rubber, the outer side wall of the sliding rod is connected with a supporting plate in a sliding manner, two ends of the supporting plate are connected with fixing rods connected with the top side of the inner cavity of the upper shell in a sliding manner, and the outer side wall of each fixing rod is provided with a limiting spring.

The utility model has the preferable technical scheme that the sealing installation component comprises installation parts arranged at two sides of the lower shell, sealing parts corresponding to the installation parts are rotatably connected at two sides of the upper shell, and an installation groove sleeved at the end part of the installation part is formed in one side of each sealing part.

The utility model has the preferable technical scheme that a compression spring is connected to the bottom side of the mounting groove, and a pressing plate which is abutted to the mounting part is arranged at one end of the compression spring.

The utility model has the preferable technical scheme that a plurality of groups of guide elements are arranged on two side walls of the inner cavity of the lower shell, and guide rods are arranged on the side walls of the inner cavity of the upper shell corresponding to the guide elements in a sliding manner.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the battery BMS assembly is arranged among the plurality of groups of heat-conducting insulating elastic rubbers, the traditional installation mode between the plates is replaced, the contact area with the battery BMS assembly is reduced, the heat dissipation of the battery BMS assembly is more facilitated, the speed of heat discharging outwards can be improved through the matching of the bottom heat dissipation outlet and the heat dissipation groove, the fan distributes air into the plurality of groups of air outlet pipes through the main air pipe, the heat dissipation effect of the battery BMS assembly in multiple directions is realized, the heat dissipation efficiency of the battery BMS assembly is improved, the heat dissipation effect is reported, the installation of the upper shell and the lower shell replaces the labor-consuming and time-consuming installation of a hand screw and a thread groove through the matching of the installation part and the sealing part, the installation speed of the upper shell and the lower shell is improved under the matching of the guide rod and the guide part, the installation convenience is improved, and the time and labor are saved.

The heat dissipation shell provided by the utility model has the advantages that the heat dissipation effect is good, the energy efficiency of the power battery is improved, the service life of the power battery is prolonged, and the installation is convenient.

Drawings

Fig. 1 is a schematic view illustrating a structure of a heat dissipation case for a battery BMS according to the present invention;

FIG. 2 is a schematic view of the position structure of an air outlet pipe according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

fig. 4 is a schematic view of the installation and matching structure of the guide piece and the guide rod.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a lower housing; 11. a heat dissipation groove; 12. a heat dissipation outlet; 13. a fan; 14. a main air duct; 15. an air outlet pipe; 16. radiating meshes; 2. an upper housing; 3. a positioning assembly; 31. a fixing plate; 32. a spring; 33. positioning the pressing piece; 4. a battery BMS assembly; 5. a support assembly; 51. a slide bar; 52. a support plate; 53. fixing the rod; 54. a limiting spring; 6. heat-conductive insulating elastic rubber; 61. a support rod; 7. a seal mounting assembly; 71. an installation part; 72. a sealing part; 73. mounting grooves; 74. a compression spring; 75. pressing a plate; 8. a guide member; 9. a guide rod.

Detailed Description

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

The utility model provides a battery BMS heat dissipation shell which characterized in that: the solar battery pack comprises a lower shell 1 and an upper shell 2, wherein a plurality of groups of heat dissipation grooves 11 are arranged on the lower end face of the lower shell 1 at equal intervals, heat dissipation outlets 12 are correspondingly arranged between the bottom of an inner cavity of the lower shell 1 and the heat dissipation grooves 11, positioning assemblies 3 are arranged on two side walls of the inner cavity of the lower shell 1, battery BMS assemblies 4 are arranged between the two groups of positioning assemblies 3, a fan 13 is arranged on one side of the lower shell 1, an air outlet port of the fan 13 is connected with a main air pipe 14, a plurality of groups of air outlet pipes 15 with different lengths are arranged on one side of the main air pipe 14, heat dissipation meshes 16 are arranged on one side of the lower shell 1 corresponding to the air outlet pipes 15, a supporting assembly 5 is arranged on the top side of the inner cavity of the upper shell 2, heat conduction insulating elastic rubber 6 is arranged on the upper end face and the lower end face of the battery BMS assembly 4, and the heat conduction insulating elastic rubber 6 is respectively connected with the supporting assembly 5 and the positioning assemblies 3, the both sides of lower shell 1 and upper shell 2 are provided with seal installation components 7, place battery BMS subassembly 4 on the upper end face of heat conduction insulation elastic rubber 6, and fix the position through locating component 3 on both sides, install upper shell 2 on lower shell 1, through the seal installation components 7 on both sides installation and sealing, prevent dust and the like from entering, influence the work of battery BMS subassembly 4, simultaneously the supporting component 5 on the top side of the inner cavity of upper shell 2 makes heat conduction insulation elastic rubber 6 compress the upper end face of battery BMS subassembly 4, improve the stability of compressing battery BMS subassembly 4 in lower shell 1, guarantee the normal working performance of compressing battery BMS subassembly 4, and heat conduction insulation elastic rubber 6 reduces the contact area between the traditional mounting plate and battery BMS subassembly 4, more help the discharge of heat, improve the speed and effect of heat dissipation, part of heat leads to heat dissipation groove 11 through heat dissipation outlet 12 on the bottom, finally arrange to the outside, and fan 13 cooperates air-out pipe 15 different in size in coordination with main tuber pipe 14 and further improves the heat from 16 exhaust efficiency of heat dissipation mesh, and air-out pipe 15 different in size is put by main tuber pipe 14 central point and is reduced to both sides in proper order, guarantees that fan 13 can carry out the radiating action to battery BMS subassembly 4 from many aspects through a plurality of air-out pipes 15 simultaneously, has guaranteed battery BMS subassembly 4's radiating effect, has improved power battery efficiency and life-span.

As a possible embodiment of this embodiment, it is preferable that the positioning assembly 3 includes a fixing plate 31 disposed inside the lower housing 1, a spring 32 is connected to one side of the fixing plate 31, positioning pressing members 33 mounted on both sides of the battery BMS assembly 4 are disposed on a side of the spring 32 away from the fixing plate 31, and the spring 32 is engaged with the positioning pressing members 33 to position the position of the battery BMS assembly 4 from two directions, so that the positioning and mounting of the battery BMS assembly 4 are facilitated and the stability is good.

As a possible embodiment of the present disclosure, preferably, the heat conducting insulating elastic rubber 6 is formed by connecting a plurality of sets of rubber bodies through supporting rods 61, and the supporting rods 61 at both ends of the heat conducting insulating elastic rubber 6 penetrate through the positioning pressing member 33 and are connected to the fixing plate 31, so that the battery BMS assembly 4 is mounted on the heat conducting insulating elastic rubber 6 through the plurality of sets of supporting rods 61 and the heat conducting insulating elastic rubber 6, thereby reducing the contact area with the battery BMS assembly 4, being more beneficial to the heat dissipation speed and effect of the battery BMS assembly 4, and further providing a stable guarantee for the mounting of the battery BMS assembly 4 due to the connection of the supporting rods 61.

As a possible embodiment of this solution, preferably, the supporting assembly 5 includes a sliding rod 51 connected to the heat conducting insulating elastic rubber 6, a supporting plate 52 is slidably connected to an outer side wall of the sliding rod 51, fixing rods 53 connected to a top side of an inner cavity of the upper housing 2 are slidably connected to two ends of the supporting plate 52, a limiting spring 54 is disposed on an outer side wall of the fixing rods 53, and the sliding rod 51 presses the heat conducting insulating elastic rubber 6 against an upper end of the battery BMS assembly 4 under the elastic force of the limiting spring 54 to cooperate with the heat conducting insulating elastic rubber 6 at a lower end, so that the stability of the battery BMS assembly 4 is increased under the action of a plurality of pressing forces under the condition of reducing the contact area, the heat dissipation effect of the battery BMS assembly 4 is improved, and the service life of the battery BMS assembly 4 is ensured.

As a possible implementation manner of this scheme, it is preferred, seal installation subassembly 7 including set up in lower shell 1 both sides installation department 71, go up shell 2 both sides rotate be connected with the sealing 72 that installation department 71 corresponds, the cover has been seted up to sealing 72 one side is located the mounting groove 73 of installation department 71 tip rotates sealing 72 and makes its cover locate installation department 71 lateral wall, then with last shell 2 stable and with lower shell 1 seal installation, prevent that the dust from getting into the use that influences battery BMS subassembly 4, and it is convenient to install, labour saving and time saving.

As a possible embodiment of this embodiment, it is preferable that a compression spring 74 is connected to a bottom side of the mounting groove 73, a pressing plate 75 abutting against the mounting portion 71 is disposed at one end of the compression spring 74, the sealing portion 72 is mounted on an outer side wall of the mounting portion 71, and the compression spring 74 presses the pressing plate 75 to move toward the mounting portion 71, so that the pressing plate 75 presses an outer wall of the mounting portion 71, thereby improving firmness between the mounting portion 71 and the sealing portion 72, and further improving sealability between the lower housing 1 and the upper housing 2.

As a possible implementation manner of this scheme, it is preferred, lower shell 1 inner chamber both sides wall is provided with a plurality of groups of guide 8, the inner chamber lateral wall of going up shell 2 corresponds guide 8 and slides and is provided with guide bar 9, through the cooperation of guide bar 9 with guide 8, can be faster and accurate install last shell 2 on lower shell 1, has improved the convenience and the efficiency of installation.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. The utility model provides a battery BMS heat dissipation shell which characterized in that: the solar battery pack comprises a lower shell (1) and an upper shell (2), wherein a plurality of groups of heat dissipation grooves (11) are formed in the lower end face of the lower shell (1) at equal intervals, heat dissipation outlets (12) are correspondingly formed between the bottom of an inner cavity of the lower shell (1) and the heat dissipation grooves (11), positioning assemblies (3) are arranged on two side walls of the inner cavity of the lower shell (1), a battery BMS assembly (4) is installed between the two groups of positioning assemblies (3), a fan (13) is arranged on one side of the lower shell (1), an air outlet port of the fan (13) is connected with a main air pipe (14), a plurality of groups of air outlet pipes (15) with different lengths are arranged on one side of the main air pipe (14), and heat dissipation meshes (16) are formed in one side of the lower shell (1) corresponding to the air outlet pipes (15);

the battery pack is characterized in that a supporting assembly (5) is arranged on the top side of an inner cavity of the upper shell (2), heat-conducting and insulating elastic rubber (6) is arranged on the upper end face and the lower end face of the battery BMS assembly (4), the heat-conducting and insulating elastic rubber (6) is respectively connected with the supporting assembly (5) and the positioning assembly (3), and sealing installation assemblies (7) are arranged on the two sides of the lower shell (1) and the upper shell (2).

2. The battery BMS heat dissipation housing of claim 1, wherein:

the positioning assembly (3) comprises a fixing plate (31) arranged inside the lower shell (1), one side of the fixing plate (31) is connected with a spring (32), and one side, far away from the fixing plate (31), of the spring (32) is provided with positioning pressing parts (33) arranged on two sides of the battery BMS assembly (4).

3. The battery BMS heat dissipation housing of claim 2, wherein:

the heat-conducting insulating elastic rubber (6) is formed by connecting a plurality of groups of rubber bodies through supporting rods (61), and the supporting rods (61) at the two ends of the heat-conducting insulating elastic rubber (6) penetrate through the positioning pressing piece (33) to be connected with the fixing plate (31).

4. The battery BMS heat dissipation housing of claim 1, wherein:

the supporting assembly (5) comprises a sliding rod (51) connected with the heat-conducting insulating elastic rubber (6), the outer side wall of the sliding rod (51) is connected with a supporting plate (52) in a sliding mode, two ends of the supporting plate (52) are connected with fixing rods (53) connected with the top side of the inner cavity of the upper shell (2) in a sliding mode, and the outer side wall of each fixing rod (53) is provided with a limiting spring (54).

5. The battery BMS heat dissipation housing of claim 1, wherein:

seal installation subassembly (7) including set up in shell (1) both sides installation department (71) down, go up shell (2) both sides rotate be connected with sealing (72) that installation department (71) correspond, sealing (72) one side has been seted up the cover and has been located mounting groove (73) of installation department (71) tip.

6. The battery BMS heat dissipation housing of claim 5, wherein:

the bottom side of the mounting groove (73) is connected with a compression spring (74), and one end of the compression spring (74) is provided with a pressing plate (75) which is abutted to the mounting portion (71).

7. The battery BMS heat dissipation housing of claim 1, wherein:

the inner cavity side wall of the lower shell (1) is provided with a plurality of groups of guide pieces (8), and the inner cavity side wall of the upper shell (2) is provided with guide rods (9) corresponding to the guide pieces (8) in a sliding manner.