CN215819207U

CN215819207U - Aluminum profile shell of general high-power electronic controller

Info

Publication number: CN215819207U
Application number: CN202121848201.9U
Authority: CN
Inventors: 祝超
Original assignee: Jidao Electronic Technology Wuxi Co ltd
Current assignee: Jidao Electronic Technology Wuxi Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-02-11
Anticipated expiration: 2031-08-09

Abstract

The utility model discloses an aluminum profile shell of a general high-power electronic controller, which comprises a mounting box, wherein the mounting box is a rectangular aluminum alloy hollow shell, heat dissipation strips are arranged on the upper end surface and the outer end surfaces of two sides of the mounting box, a first reed is arranged on the upper end surface of the bottom of the mounting box, a second reed is arranged on the inner end surface of the side wall of the mounting box, heat dissipation holes are formed in the back surface of the mounting box, the heat dissipation strips are rectangular aluminum alloy strips, the first reed and the second reed are L-shaped copper plates, the first reed and the second reed are made of beryllium bronze, and the height of the upper end surface of the first reed is lower than that of the lower end surface of the second reed. According to the utility model, the controller is pressed on the inner end surface of the mounting box through the matching of the first reed and the second reed, so that the attaching degree between the controller and the mounting box is enhanced, the heat conduction effect is enhanced, the heat dissipation effect of the controller is improved, and the first reed and the second reed have good elasticity, so that the anti-seismic effect of the controller can be enhanced.

Description

Aluminum profile shell of general high-power electronic controller

Technical Field

The utility model belongs to the technical field of shells of electric automobile control devices, and particularly relates to an aluminum profile shell of a general high-power electronic controller.

Background

The DC/DC converter controller is a converter controller loaded with a switching power supply chip, and can store input electric energy in a capacitor (inductor), and when the switch is turned off, the electric energy is released to a load to perform a high-frequency switching operation. The conversion controller is usually provided with a VMOS power tube group, which not only inherits the high input impedance (not less than 108W) and small drive current (about 0.1 muA) of the MOS field effect tube, but also has the excellent characteristics of high withstand voltage (the highest withstand voltage is 1200V), large working current (1.5-100A), high output power (1-250W), good transconductance linearity, high switching speed and the like, and also has relatively high requirements on heat dissipation because of the large current and the high power.

The traditional electric vehicle arranges the VMOS power tube group on the inner wall of the DC/DC conversion controller, and the generated heat can be emitted only through a short and narrow side wall, which easily causes the overhigh temperature at the periphery of the VMOS power tube group in the controller and the abnormal work.

Although the aluminium alloy of current controller installation usefulness is provided with the heat dissipation fin in the outer end, the laminating degree does not exist the clearance all the time between controller and the aluminium alloy mounting box, leads to controlling the heat of its production and can't conduct away through the aluminium alloy mounting box to greatly reduced the life of controller.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an aluminum profile shell of a general high-power electronic controller, which aims to solve the problem that the heat dissipation effect is influenced due to insufficient fitting degree between a controller and the aluminum profile shell in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a general high-power electronic controller's aluminium alloy casing, includes the mounting box, the mounting box is the hollow casing of aluminum alloy of rectangle form, the up end of mounting box and the outer terminal surface in both sides are provided with the heat dissipation strip, the bottom up end of mounting box is provided with first reed, the terminal surface is provided with the second reed in the lateral wall of mounting box, the back of mounting box is provided with the louvre.

Preferably, the heat dissipation strip is a rectangular aluminum alloy strip, and the heat dissipation strip increases the heat dissipation area of the mounting box, so that the heat dissipation effect is increased.

Preferably, the first reed and the second reed are L-shaped copper plates, the first reed and the second reed are made of beryllium bronze, the beryllium bronze has good wear resistance, elasticity and thermal conductivity, and the L-shaped structure enables the reeds to have a certain displacement space.

Preferably, the distance between the upper end surface of the first reed and the lower end surface of the top of the mounting box and the distance between the outer end surface of the second reed and the inner end surface of the side wall of the mounting box are slightly smaller than the side length of the controller, so that the controller is attached to the inner end surface of the mounting box by the first reed and the second reed, and the large heat dissipation effect is enhanced.

Preferably, the height of the upper end surface of the first reed is lower than that of the lower end surface of the second reed, so that the first reed and the second reed are prevented from interfering with each other.

Preferably, the included angle between the front end surfaces of the first reed and the second reed and the side end surface is an oblique angle, and the oblique angle structure facilitates the insertion of the controller into the mounting box.

Preferably, the heat dissipation holes are three groups of arc-shaped through holes, and the air flowing speed in the mounting box is enhanced through the arc-shaped heat dissipation holes.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the controller is pressed on the inner end surface of the mounting box through the matching of the first reed and the second reed, so that the attaching degree between the controller and the mounting box is enhanced, the heat conduction effect is enhanced, the heat dissipation effect of the controller is improved, and the first reed and the second reed have good elasticity, so that the anti-seismic effect of the controller can be enhanced.

Drawings

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

FIG. 2 is a side cross-sectional view of the present invention;

fig. 3 is a rear view of the present invention.

In the figure: 1 mounting box, 11 heat dissipation strips, 12 first reeds, 13 second reeds and 14 heat dissipation holes.

Detailed Description

Referring to fig. 1, an aluminum profile shell of a general high-power electronic controller includes a mounting box 1, the mounting box 1 is a rectangular aluminum alloy hollow shell, heat dissipation strips 11 are welded on the upper end surface and the outer end surfaces of two sides of the mounting box 1, a first reed 12 is embedded on the upper end surface of the bottom of the mounting box 1, a second reed 13 is embedded on the inner end surface of the side wall of the mounting box 1, and heat dissipation holes 14 are formed in the back surface of the mounting box 1.

Referring to fig. 1 and 2, the heat dissipation strip 11 is a rectangular aluminum alloy strip, the heat dissipation strip 11 increases the heat dissipation area of the mounting box 1, so as to increase the heat dissipation effect, an included angle between the front end surfaces of the first spring leaf 12 and the second spring leaf 13 and the side end surface is an oblique angle, and the oblique angle structure facilitates the controller to be inserted into the mounting box 1.

Referring to fig. 2, the first reed 12 and the second reed 13 are L-shaped copper plates, the first reed 12 and the second reed 13 are made of beryllium bronze, the beryllium bronze has good wear resistance, elasticity and thermal conductivity, the L-shaped structure enables the reeds to have a certain displacement space, a distance between an upper end surface of the first reed 12 and a lower end surface of the top of the mounting box 1 and a distance between an outer end surface of the second reed 13 and an inner end surface of a side wall of the mounting box 1 are slightly smaller than a side length of the controller, the controller is attached to the inner end surface of the mounting box 1 by the first reed 12 and the second reed 13, so that a large heat dissipation effect is enhanced, the height of the upper end surface of the first reed 12 is lower than that of the second reed 13, and mutual interference between the first reed 12 and the second reed 13 is avoided.

Referring to fig. 3, the heat dissipation holes 14 are three sets of arc-shaped through holes, and the arc-shaped heat dissipation holes 14 enhance the air flow speed in the mounting box 1.

The working principle of the scheme is as follows: when the controller is used, the controller is inserted into the mounting box 1 from the front end of the mounting box 1, the controller is attached to the inner end face of the mounting box 1 under the action of the first reed 12 and the second reed 13, so that the heat conduction effect between the controller and the mounting box 1 is improved, the heat dissipation efficiency is improved, and when the mounting box 1 is vibrated, the controller extrudes the first reed 12 and the second reed 13 to buffer and unload force, so that the impact on the controller is reduced.

Claims

1. The utility model provides a general high-power electronic controller's aluminium alloy casing, includes mounting box (1), its characterized in that: the mounting box (1) is a rectangular aluminum alloy hollow shell, the upper end face and the outer end faces of two sides of the mounting box (1) are provided with heat dissipation strips (11), the upper end face of the bottom of the mounting box (1) is provided with a first reed (12), the inner end face of the side wall of the mounting box (1) is provided with a second reed (13), and heat dissipation holes (14) are formed in the back of the mounting box (1).

2. The aluminum profile shell of the universal high-power electronic controller as claimed in claim 1, wherein: the heat dissipation strip (11) is a rectangular aluminum alloy strip.

3. The aluminum profile shell of the universal high-power electronic controller as claimed in claim 1, wherein: the first reed (12) and the second reed (13) are L-shaped copper plates, and the first reed (12) and the second reed (13) are made of beryllium bronze.

4. The aluminum profile shell of the universal high-power electronic controller as claimed in claim 1, wherein: the distance between the upper end face of the first reed (12) and the lower end face of the top of the mounting box (1) and the distance between the outer end face of the second reed (13) and the inner end face of the side wall of the mounting box (1) are slightly smaller than the side length of the controller.

5. The aluminum profile shell of the universal high-power electronic controller as claimed in claim 1, wherein: the height of the upper end surface of the first reed (12) is lower than that of the lower end surface of the second reed (13).

6. The aluminum profile shell of the universal high-power electronic controller as claimed in claim 1, wherein: the included angle between the front end surfaces of the first reed (12) and the second reed (13) and the side end surface is an oblique angle.

7. The aluminum profile shell of the universal high-power electronic controller as claimed in claim 1, wherein: the heat dissipation holes (14) are three groups of arc-shaped through holes.