CN220191271U - Electric vehicle controller mos pipe fixing device - Google Patents

Abstract

The utility model discloses a mos tube fixing device of an electric vehicle controller, which comprises a T-shaped heat-conducting aluminum strip and an elastic pressing sheet arranged on the heat-conducting aluminum strip, wherein a boss is arranged at the top of the heat-conducting aluminum strip, a threaded hole is formed in the boss, the elastic pressing sheet is of a U-shaped structure, the elastic pressing sheet comprises a transverse plate and side plates which are arranged on two sides of the transverse plate and incline inwards, a through hole matched with the boss is formed in the transverse plate, a fixing hole is formed in the outer side of one end, far away from the transverse plate, of the side plate, and a first through groove is formed in one side, close to the side plate, of the fixing hole. The utility model can stably and firmly fix the mos tube on the heat-conducting aluminum strip, and the pressure is dispersed, the fixing is firm, the damage to the internal circuit of the mos tube is avoided, and the fixing bolt is arranged at the top of the T-shaped heat-conducting aluminum strip by adopting the U-shaped structure, thereby being convenient for installation and disassembly.

Description

Electric vehicle controller mos pipe fixing device

Technical Field

The utility model relates to a mos tube fixing device of an electric vehicle controller, and belongs to the technical field of mos tube fixing equipment.

Background

The electric vehicle controller is provided with a large number of mos tubes, and a large amount of heat is generated when the mos tubes work, so that the mos tubes are required to be clung to the heat dissipation module, and the mos tubes and the heat dissipation module are fixed by adopting a rigid plane pressing plate. When adopting the rigid plane clamp plate, the rigidity centre gripping is very big to the dynamics requirement, and the screw moment of torsion is little or fall down to be little, and all the centre gripping is not tight, has the gap between mos pipe and the radiator to whether press from both sides the nothing can know, the too big clamp plate that also can lead to of screw moment of torsion, easily damage the mos pipe, the easy smooth silk of screw hole leads to the mos pipe to laminate poorly with the heat dissipation module.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides the mos tube fixing device for the electric vehicle controller, which can stably and firmly fix the mos tube on the heat-conducting aluminum strip, has dispersed pressure and firm fixation, avoids damaging the internal circuit of the mos tube, and adopts a U-shaped structure to install the fixing bolt on the top of the T-shaped heat-conducting aluminum strip, thereby being convenient to install and detach.

In order to achieve the above-mentioned purpose, an electric vehicle controller mos pipe fixing device, heat conduction aluminium strip including T shape, the elasticity preforming of setting on heat conduction aluminium strip, the top of heat conduction aluminium strip is provided with the boss, be provided with the screw hole on the boss, the elasticity preforming is U type structure, the elasticity preforming includes the diaphragm, sets up the curb plate in diaphragm both sides and inward sloping, offer the through-hole that matches with the boss on the diaphragm, the outside that the one end of diaphragm was kept away from to the curb plate is provided with the fixed orifices, one side that the fixed orifices is close to the curb plate is provided with first logical groove.

Preferably, the thickness of the transverse plate is the same as the thickness of the boss.

Preferably, the side plate is provided with a plurality of second through grooves which are uniformly arranged from one end far away from the transverse plate to the direction close to the transverse plate.

Preferably, the inner side of the end of the side plate away from the cross plate is provided with a plane for increasing the contact area.

Compared with the prior art, the utility model has the beneficial effects that:

1. the permanent elasticity of the elastic pressing sheet is utilized to enable the surface of the mos tube heat conduction aluminum strip to be tightly attached and fixed, and the mos tube has good heat dissipation, so that the working performance is stable;

2. the elastic pressing piece has the advantage of high strength, can reliably fix one or more mos tubes, has stable holding force, ensures that the mos tubes are tightly attached to the heat-conducting aluminum strips, rapidly conducts heat and reduces temperature,

3. the elastic pressing sheet has good toughness, and pressure can be generated only by elastic deformation of the elastic pressing sheet, and the mos tube cannot relax no matter how the mos tube is expanded with heat or contracted with cold during working.

Drawings

FIG. 1 is a schematic view of a fixing device according to the present utility model;

FIG. 2 is an exploded view of the structure of the fixing device of the present utility model;

FIG. 3 is a schematic diagram of the structure of the present utility model;

FIG. 4 is a schematic view of a disassembling device according to the present utility model;

FIG. 5 is a schematic view of the installation of the present utility model;

fig. 6 is a schematic structural view of the elastic pressing sheet of the present utility model.

In the figure: 1. 1-1 parts of heat conduction aluminum strips, 1-2 parts of bosses, threaded holes, 2 parts of elastic pressing sheets, 2-1 parts of transverse plates, 2-2 parts of side plates, 2-3 parts of fixing holes, 2-4 parts of first through grooves, 2-5 parts of second through grooves, 2-6 parts of planes, 3 parts of dismounting devices, 3-1 parts of supporting plates, 3-2 parts of frames, 3-3 parts of baffle plates, 4 parts of insulating films, 5 parts of mos tubes, 6 parts of shells.

Detailed Description

The following description of the embodiments of the present utility model will be made more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 6, the mos tube fixing device for the electric vehicle controller provided by the embodiment of the utility model comprises a T-shaped heat conduction aluminum strip 1 and an elastic pressing sheet 2 arranged on the heat conduction aluminum strip 1, wherein a boss 1-1 is arranged at the top of the heat conduction aluminum strip 1, a threaded hole 1-2 is arranged on the boss 1-1, the elastic pressing sheet 2 is of a U-shaped structure, the elastic pressing sheet 2 comprises a transverse plate 2-1 and side plates 2-2 which are arranged on two sides of the transverse plate 2-1 and incline inwards, a through hole matched with the boss 1-1 is formed in the transverse plate 2-1, a fixing hole 2-3 is arranged on the outer side of one end, away from the transverse plate 2-1, of the side plate 2-2, and a first through groove 2-4 is arranged on one side, close to the side plate 2-2, of the fixing hole 2-3.

As shown in fig. 4, the dismounting device 3 comprises a support plate 3-1, a frame 3-2 rotatably provided on the support plate 3-1, and the frame 3-2 is rotatably mounted on the support plate 3-1 by a rotation shaft provided in the middle thereof.

Preferably, the thickness of the transverse plate 2-1 is the same as that of the boss 1-1, so that the transverse plate 2-1 and the boss 1-1 are conveniently attached to the shell 6, the contact area is conveniently increased, and the heat dissipation efficiency is conveniently improved.

Preferably, the baffle 3-3 is provided on the rod body of the frame 3-2 at one side of the rotating shaft thereof, so that the baffle 3-3 is conveniently pinched to rotate the frame 3-2, thereby opening the elastic pressing piece 2.

Preferably, an anti-slip layer for increasing friction is arranged on the side surface of the baffle plate 3-3, so that friction is increased, hand slip is prevented, and operation is facilitated.

Preferably, the side plate 2-2 is provided with a plurality of second through grooves 2-5 uniformly arranged from one end far away from the transverse plate 2-1 to the direction close to the transverse plate 2-1, and one end of the transverse plate 2-2 pressed on the mos tube 5 is equally divided into a plurality of pieces through the second through grooves 2-5, so that pressure can be generated on different mos tubes 5 more uniformly, and deformation of different mos tubes 5 can be dealt with.

Preferably, the inner side of the end of the side plate 2-2 away from the transverse plate 2-1 is provided with a plane 2-6 for increasing the contact area, so that the contact area is increased, the pressure is more balanced, the pressure is smaller, and the damage to the internal circuit of the mos tube 5 is avoided.

The working process comprises the following steps: the method comprises the steps of firstly coating silicone grease on two sides of a T-shaped heat conduction aluminum strip 1, then adhering an insulating film 4 on two sides of the heat conduction aluminum strip 1, then adhering a mos tube 5 on the insulating film, coating the heat conduction silicone grease on the contact part of the heat conduction aluminum strip 1 and an elastic pressing piece 2, inserting a rod body of one end of a frame 3-2 of a dismounting device 3 far away from the baffle 3-3 into a fixing hole 2-3 through a first through groove 2-4, opening the elastic pressing piece 2 through the extrusion baffle 3-3, clamping the elastic pressing piece 2 on the mos tube on two sides of the heat conduction aluminum strip 1, adhering a transverse plate of the elastic pressing piece 2 to the top of the heat conduction aluminum strip 1, taking down the dismounting device 3, coating the heat conduction silicone grease on one side, far away from the heat conduction aluminum strip 1-1, of a boss 1-1 of the heat conduction aluminum strip 1 and a threaded hole 1-1, fixedly mounting the heat conduction aluminum strip 1 on a shell 6 through a bolt, and the screw hole 1-1, and conducting heat generated by the mos tube 5 tightly clinging to the heat conduction aluminum strip 1 under the pressure of a side plate 2-2 to the heat conduction aluminum strip 1 to the shell 6.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (4)

1. The utility model provides an electric motor car controller mos pipe fixing device, its characterized in that, heat conduction aluminium strip (1) including T shape, set up elasticity preforming (2) on heat conduction aluminium strip (1), the top of heat conduction aluminium strip (1) is provided with boss (1-1), be provided with screw hole (1-2) on boss (1-1), elasticity preforming (2) are U type structure, elasticity preforming (2) include diaphragm (2-1), set up curb plate (2-2) in diaphragm (2-1) both sides and inward sloping, set up on diaphragm (2-1) with boss (1-1) matched through-hole, the outside that diaphragm (2-1) one end was kept away from to curb plate (2-2) is provided with fixed orifices (2-3), one side that fixed orifices (2-3) are close to curb plate (2-2) is provided with first logical groove (2-4).

2. The electric vehicle controller mos tube fixing device of claim 1, characterized in that the cross plate (2-1) has the same thickness as the boss (1-1).

3. The mos tube fixing device for the electric vehicle controller according to claim 1, wherein the side plate (2-2) is provided with a plurality of second through slots (2-5) which are uniformly arranged from one end far away from the transverse plate (2-1) to the direction close to the transverse plate (2-1).

4. The electric vehicle controller mos tube fixing device according to claim 1, characterized in that the inner side of the end of the side plate (2-2) away from the cross plate (2-1) is provided with a plane (2-6) for increasing the contact area.