CN218450977U

CN218450977U - Heat dissipation shell of electric vehicle controller

Info

Publication number: CN218450977U
Application number: CN202120017179.7U
Authority: CN
Inventors: 陈胜云
Original assignee: Chengdu Qigong Technology Co ltd
Current assignee: Chengdu Qigong Technology Co ltd
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2023-02-03
Anticipated expiration: 2031-01-05

Abstract

The utility model discloses an electric vehicle controller's heat dissipation shell, shell body and shell fragment including hollow structure, shell body inner chamber lower part is equipped with the circuit board draw-in groove, shell body inner chamber's upper portion is equipped with draw-in groove and lug, the lug is located the opening part of draw-in groove, the below of draw-in groove is equipped with the boss, the boss surface is equipped with the imine membrane, be equipped with heat conduction silicone grease between imine membrane and the boss, imine membrane surface is equipped with the MOS pipe, the MOS pipe passes through the shell fragment compresses tightly on the boss, the shell fragment is 7 font form, and the shell fragment includes joint portion and compresses tightly the portion, joint portion inlays to be located in the draw-in groove, compress tightly portion and MOS pipe connection contact, the surface of shell body is equipped with a plurality of heat radiation fins and packaging part. The utility model discloses the stability of each component is firm difficult not hard up after the installation, and heat radiating area is big simultaneously, and the radiating efficiency is high, the effectual component life that has increased has reduced use cost.

Description

Heat dissipation shell of electric vehicle controller

Technical Field

The utility model belongs to the technical field of the casing technique and specifically relates to an electric vehicle controller's heat dissipation shell that says so.

Background

At present, an electric vehicle controller is a central control part of an electric vehicle, components of the electric vehicle controller generate heat due to long-term work, and if good heat dissipation is not realized, the electric vehicle controller is easily damaged due to overhigh temperature; in addition, due to the outdoor working environment, the sealing and the water proofing of the device are also required. Most controllers in the current market have poor heat dissipation effects, the service life of the controllers is seriously influenced, the control elements are frequently replaced, and the use cost is increased. Application number 201520537013.2 discloses a heat dissipation housing of an electric vehicle controller, but the heat dissipation effect of the product is still poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome prior art not enough, provide an electric vehicle controller's heat dissipation shell, the utility model discloses the stable firm difficult not hard up of each component after the installation, heat radiating area is big simultaneously, and the radiating efficiency is high, the effectual component life that has increased has reduced use cost.

The purpose of the utility model is realized through the following technical scheme: a heat dissipation shell of an electric vehicle controller comprises a shell body and an elastic sheet, wherein the shell body is of a hollow structure, a circuit board clamping groove is formed in the lower portion of an inner cavity of the shell body and used for clamping a circuit board, a clamping groove and a protruding block are formed in the upper portion of the inner cavity of the shell body and comprise a guide section and a clamping section, the transverse cutting of the guide section is rectangular, the transverse cutting of the clamping section is wedge-shaped, the protruding block comprises an arc protruding portion and a platform protruding portion, the protruding block is located at an opening of the clamping groove, a boss is arranged below the clamping groove, an imine film is arranged on the surface of the boss, heat conduction silicone grease is arranged between the imine film and the boss, an MOS (metal oxide semiconductor) tube is arranged on the surface of the imine film and is pressed on the boss through the elastic sheet, the elastic sheet is 7-shaped, the elastic sheet comprises a clamping portion and a pressing portion, the clamping portion and the pressing portion are connected into a whole through a folding angle, the clamping portion is embedded in the clamping groove and matched with the clamping section, the folding angle is limited and pressed through the platform protruding portion, the pressing portion, and the pressing portion is contacted with the MOS tube and tightly pressed on the boss;

the outer surface of the shell body is provided with a plurality of radiating fins and a packaging piece, the outer surfaces of the radiating fins are corrugated, and the packaging piece is provided with an open circular mounting hole.

According to one preferable scheme, the outer shell is an integrally stretched cavity type aluminum shell.

In one preferable scheme, the lower end of the pressing part is provided with a U-shaped protruding part.

In one preferable scheme, a plurality of round holes are formed in the pressing part close to the folding corners.

According to one preferred scheme, the lower end of the pressing portion is provided with a plurality of separating grooves which are uniformly distributed along the length direction of the lower elastic sheet.

The utility model has the advantages that: the utility model has the advantages of simple structure, it is compact, it is reasonable, can protect the stability of installing the rear structure through the joint section and the lug of shell fragment and draw-in groove, it is difficult not hard up, the circular arc bellying also can be so that the installation of shell fragment simultaneously, compare in the arris can avoid losing the shell fragment surface, utilize the imine membrane to play effectual insulation and can not influence heat-conduction simultaneously, it protruding can further increase heat radiating area to be equipped with the ripple on the fin of shell body surface, the heat dissipation efficiency is improved, the life of increase component, and the use cost is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic view of the structure of the elastic sheet of the present invention.

In the figure, 1-outer shell, 11-radiating fin, 12-packaging piece, 2-elastic piece, 21-clamping part, 22-pressing part, 23-folded angle, 24-U-shaped lug boss, 25-round hole, 26-separating groove, 3-circuit board clamping groove, 4-clamping groove, 41-guiding section, 42-clamping section, 5-lug, 51-arc lug boss, 52-platform lug boss, 6-lug boss, 61-imine film and 62-heat-conducting silicone grease.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures must be perfectly parallel, but may be slightly tilted.

The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal, vertical or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

Furthermore, the terms "substantially", "essentially", and the like are intended to indicate that the relative terms are not required to be absolutely exact, but may have some deviation. For example: "substantially equal" does not mean absolute equality, but it is difficult to achieve absolute equality in actual production and operation, and certain deviations generally exist. Thus, in addition to absolute equality, "substantially equal" also includes the above-described case where there is some deviation. In this case, unless otherwise specified, terms such as "substantially", and the like are used in a similar manner to those described above.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1 and 2, the present invention provides a technical solution: the utility model provides a heat dissipation shell of electric vehicle controller, includes hollow structure's shell body 1 and shell fragment 2, 1 inner chamber lower part of shell body is equipped with circuit board draw-in groove 3, circuit board draw-in groove 3 is used for clamping the circuit board, the upper portion of 1 inner chamber of shell body is equipped with draw-in groove 4 and lug 5, draw-in groove 4 includes guide section 41 and joint section 42, the crosscut of guide section 41 is rectangular form, the crosscut of joint section 42 is the wedge form, lug 5 includes circular arc bellying 51 and platform bellying 52, just lug 5 is located the opening part of draw-in groove 4, the below of draw-in groove 4 is equipped with

boss

6, 6 surfaces of boss are equipped with imine membrane 61, be equipped with heat conduction silicone grease 62 between imine membrane 61 and the boss 6, imine membrane 61 surface is equipped with the MOS pipe, the MOS pipe passes through shell fragment 2 compresses tightly on boss 6, shell fragment 2 is 7 font form, shell fragment 2 includes joint portion 21 and compresses tightly portion 22, joint portion 21 with compressing tightly the joint portion 22 connects into an organic whole through dog-ear 23, joint portion 21 inlays to be located in the draw-in 4 to cooperate with joint section 42, the clamp presses tightly the platform 23 and compresses tightly the boss 6, the spacing boss 22 contact portion, MOS pipe contact the boss on the boss 2; the outer surface of the outer shell 1 is provided with a plurality of radiating fins 11 and a packaging piece 12, the outer surfaces of the radiating fins are corrugated, and the packaging piece 12 is provided with an open circular mounting hole. The utility model has the advantages of simple structure, it is compact, it is reasonable, the stability of installation back structure can be protected to joint section 42 and lug 5 through shell fragment 2 and draw-in groove 4, it is difficult not hard up, circular arc bellying 51 also can be convenient for the installation of shell fragment 2 simultaneously, compare in the arris can avoid losing shell fragment 2 surface, utilize imine film 61 to play effectual insulation and can not influence heat-conduction simultaneously, it is protruding to further increase heat radiating area to be equipped with the ripple on the fin of 1 surface of the shell body, the heat dissipation efficiency is improved, the service life of increase component, and the use cost is reduced.

Preferably, the outer shell 1 is an integrally-drawn hollow-cavity aluminum shell. The heat conduction effect is good, and the heat dissipation is faster.

Preferably, the lower end of the pressing portion 22 is provided with a U-shaped protrusion 24. The MOS tube can be better contacted with the MOS tube, and the MOS tube is better compressed.

Preferably, the pressing portion 22 is provided with a plurality of round holes 25 near the bevel 23. The elastic sheet 2 is embedded and combined tightly, is not easy to detach, and is convenient to apply force through the round hole 25, so that the elastic sheet 2 is more convenient to detach.

Preferably, a plurality of separation grooves 26 are formed at the lower end of the pressing portion 22, and the separation grooves 26 are uniformly distributed along the length direction of the lower spring plate 2. The uneven surface of the object to be compacted can achieve better compaction effect.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides an electric vehicle controller's heat dissipation shell which characterized in that: the clamping groove comprises a guide section and a clamping section, the transverse cutting of the guide section is rectangular, the transverse cutting of the clamping section is wedge-shaped, the lug comprises an arc bulge and a platform bulge, the lug is located at the opening of the clamping groove, a boss is arranged below the clamping groove, an imine film is arranged on the surface of the boss, heat-conducting silicone grease is arranged between the imine film and the boss, an MOS (metal oxide semiconductor) tube is arranged on the surface of the imine film, the MOS tube is pressed on the boss through the elastic sheet, the elastic sheet is 7-shaped and comprises a clamping part and a pressing part, the clamping part and the pressing part are connected into a whole through a folded angle, the clamping part is embedded in the clamping groove and matched with the clamping section, the folded angle is limited and pressed through the platform bulge, the pressing part is contacted with the MOS tube, and the MOS tube is pressed on the boss;

2. The heat dissipation case for electric vehicle controllers as claimed in claim 1, wherein: the shell body is a cavity type aluminum shell stretched integrally.

3. The heat dissipation case of electric vehicle controller according to claim 1, characterized in that: the lower end of the pressing part is provided with a U-shaped bulge.

4. The heat dissipation case of electric vehicle controller according to claim 1, characterized in that: the pressing portion is provided with a plurality of round holes close to the folding corners.

5. The heat dissipation case of electric vehicle controller according to claim 1, characterized in that: the lower end of the pressing portion is provided with a plurality of separation grooves which are evenly distributed along the length direction of the lower elastic sheet.