CN212874484U

CN212874484U - MOS pipe multichannel heat radiation structure of program control power supply box

Info

Publication number: CN212874484U
Application number: CN202022349115.5U
Authority: CN
Inventors: 马啸; 王居进; 张豪
Original assignee: Shenzhen Cjh Precision Machinery Co ltd
Current assignee: Shenzhen Cjh Precision Machinery Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-04-02
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a multichannel heat dissipation structure of MOS (metal oxide semiconductor) tube of a programmable power supply box.A control panel is arranged in the box body of the programmable power supply box, and the MOS tube is arranged on the control panel and comprises a ventilation component for discharging heat in the box body and a radiator for installing the MOS tube on the control panel; the ventilation assembly is electrically connected with the control panel; the radiators comprise at least one pair, each pair of radiators are arranged back to back, and the radiators are used for radiating the MOS tubes; the surface of the box body is provided with a plurality of first concave grooves; the fan sucks air into the box body from the air inlet mesh holes to form a circulation air channel with the heat dissipation holes, the fan quickly discharges hot air in the box body, and the radiator dissipates heat of the MOS tube; the first concave groove on the box body can not only play a role in sharing heat dissipation, but also reduce the weight of the box body; through the combination of fan blowing heat dissipation, radiator heat conduction, box body heat conduction and the like, multichannel heat dissipation is carried out to the MOS pipe, and the temperature can not be too high when making the MOS pipe work.

Description

MOS pipe multichannel heat radiation structure of program control power supply box

Technical Field

The utility model relates to a MOS manages heat dissipation technical field, especially relates to a MOS pipe multichannel heat radiation structure of programmable power supply box.

Background

A large number of MOS (metal oxide semiconductor) tubes are required to work in the conventional programmable power supply, the heat dissipation problem of the MOS tubes is very important, the heat dissipation performance of the MOS tubes directly influences the performance of the programmable power supply, and even the MOS tubes are damaged due to overhigh working temperature, so that the programmable power supply cannot work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a MOS pipe multichannel heat radiation structure of programme-controlled power pack.

In order to realize the purpose, the following technical scheme is adopted:

a multi-channel heat dissipation structure of an MOS tube of a program control power supply box is characterized by comprising a ventilation assembly and a heat sink, wherein a control panel is arranged in the box body of the program control power supply box, and the MOS tube is arranged on the control panel; the ventilation assembly is electrically connected with the control panel; the radiators comprise at least one pair, each pair of radiators is arranged back to back, and the radiators are used for radiating the MOS tubes; the surface of the box body is provided with a plurality of first concave grooves.

Preferably, the radiators are of an inverted L-shaped structure, and the outsides of the L-shaped vertical ends of each pair of radiators are arranged closely; the MOS tube is arranged on the inner side of the L-shaped vertical end of the radiator.

Preferably, a plurality of second concave grooves are formed in the outer side of the L-shaped vertical end of the radiator, and the L-shaped transverse end of the radiator is abutted to the top of the inner wall of the box body.

Preferably, a heat conducting glue is arranged between each MOS tube and the heat sink.

Preferably, the ventilation assembly comprises at least one fan, and each fan is arranged corresponding to a pair of the radiators and is positioned at the same horizontal position of the box body.

Preferably, the ventilation assembly further comprises a plurality of air inlet meshes and a plurality of heat dissipation holes; the plurality of air inlet meshes are arranged on the position, corresponding to each fan, of the box body, and the radiating holes and the air inlet meshes are located at the same horizontal position.

Preferably, the bottom of the radiator is provided with a plurality of fixing pieces for fixing the radiator on the control panel.

Preferably, the radiator is further provided with a screw hole for locking the MOS tube, and the MOS tube is fixed on the radiator through a screw.

Preferably, the box body and the radiator are both made of aluminum alloy materials.

Adopt above-mentioned scheme, the beneficial effects of the utility model are that:

the utility model relates to a multichannel heat radiation structure of MOS tube of program control power supply, the fan sucks the air into the box body from the air inlet mesh, and forms a circulation air duct with the heat radiation holes, the fan rapidly discharges the hot air in the box body, and the radiator radiates the heat of the MOS tube; the first concave groove on the box body can not only play a role in sharing heat dissipation, but also reduce the weight of the box body; through the combination of fan blowing heat dissipation, radiator heat conduction, box body heat conduction and the like, multichannel heat dissipation is carried out to the MOS pipe, and the temperature can not be too high when making the MOS pipe work.

Drawings

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

FIG. 2 is a schematic structural view of the inside of the case body of the present invention;

fig. 3 is a schematic structural diagram of the heat sink and the MOS transistor of the present invention;

fig. 4 is a schematic view of the air flow direction of the MOS tube heat dissipation of the present invention.

Wherein the figures identify the description:

1-a box body, 2-a control panel,

3-MOS tube, 4-ventilation component,

5-a heat sink, 11-a first concave groove,

41-a fan, 42-air inlet meshes,

43 heat dissipation holes, 51 second concave grooves,

52-fixing piece, 53-screw hole.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 4, the utility model provides a multi-channel MOS tube heat dissipation structure of a programmable power supply box, a control panel 2 is arranged in a box body 1 of the programmable power supply box, and a MOS tube 3 is arranged on the control panel 2, and comprises a ventilation assembly 4 for discharging heat in the box body 1 and a radiator 5 for installing the MOS tube 3 on the control panel 2; the ventilation assembly 4 is electrically connected with the control panel 2; the radiators 5 comprise at least one pair, each pair of radiators 5 is arranged back to back, and the radiators 5 are used for radiating the MOS tubes 3; the surface of the box body 1 is provided with a plurality of first concave grooves 11.

The radiators 5 are of an inverted L-shaped structure, and the outer sides of the L-shaped vertical ends of each pair of radiators 5 are arranged close to each other; the MOS tube 3 is arranged on the inner side of the L-shaped vertical end of the radiator 5; a plurality of second concave grooves 51 are formed in the outer side of the L-shaped vertical end of the radiator 5, so that the radiating area of the radiator 5 is increased; the L-shaped transverse end of the radiator 5 is abutted against the top of the inner wall of the box body 1, and the heat received by the radiator 5 is guided into the box body 1 for radiating; and the upper surface of the box body 1 is also provided with a plurality of first concave grooves 11, so that the heat dissipation effect can be shared, and meanwhile, the weight of the box body 1 can be reduced.

The ventilation assembly 4 comprises at least one fan 41, each fan 41 is arranged corresponding to a pair of radiators 5 and is positioned at the same horizontal position of the box body 1; the ventilation component 4 also comprises a plurality of air inlet meshes 42 and a plurality of heat dissipation holes 43; the plurality of air inlet mesh holes 42 are arranged at the position of the box body 1 corresponding to each fan 41, and the heat dissipation holes 43 and the air inlet mesh holes 42 are at the same horizontal position. The fan 41 can more rapidly discharge the hot wind in the case 1.

The bottom of the radiator 5 is provided with a plurality of fixing pieces 52 for fixing the radiator 5 on the control panel 2; the radiator 5 is also provided with a screw hole 53 for locking the MOS tube 3, and the MOS tube 53 is fixed on the radiator 5 through a screw to radiate heat; a heat conducting adhesive (not shown) is disposed between each MOS tube 3 and the heat sink 5, so that the heat of the MOS tube 3 can be rapidly transferred to the heat sink 5 for heat dissipation.

The box body 1 and the radiator 5 are both made of aluminum alloy materials, and the aluminum materials have good heat dissipation performance and good oxidation corrosion resistance.

In one embodiment, the air inlet holes 42 are formed on the front surface of the case 1, the heat dissipating holes 43 are formed on the back surface of the case 1, and the first concave groove 11 is formed on the upper surface of the case 1. As shown by the arrows in FIG. 4, the fan 41 draws air from the air inlet holes 42, passes through the heat sink 5, and the heat is dissipated from the heat dissipating holes 43.

The utility model discloses the theory of operation: the fan 41 starts to work, and sucks external air from the air inlet mesh 42, and blows the air to the MOS tube 3 to dissipate heat of the MOS tube 3; the heat-dissipated hot air is discharged from the heat dissipating holes 43, the heat in the box body 1 is taken out of the box body 1, the heat of the MOS tube 3 is led into the heat dissipater 5, the heat dissipater 5 is abutted against the top of the inner wall of the box body 1, and the heat is led into the box body 1 by the heat dissipater 5 for heat dissipation; the multichannel heat dissipation is carried out on the MOS tube 3 through the combination of the fan 41 for air blowing heat dissipation, the heat conduction of the heat radiator 5, the heat conduction of the box body 1 and the like; the temperature of the MOS tube 3 is not too high when the MOS tube works.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A multi-channel heat dissipation structure of an MOS tube of a program control power supply box is characterized by comprising a ventilation assembly and a heat sink, wherein a control panel is arranged in the box body of the program control power supply box, and the MOS tube is arranged on the control panel; the ventilation assembly is electrically connected with the control panel; the radiators comprise at least one pair, each pair of radiators is arranged back to back, and the radiators are used for radiating the MOS tubes; the surface of the box body is provided with a plurality of first concave grooves.

2. The multi-channel MOS tube heat dissipation structure of the programmable power supply box as claimed in claim 1, wherein the heat sinks are in an inverted L-shaped structure, and the outer sides of the L-shaped vertical ends of each pair of heat sinks are arranged closely; the MOS tube is arranged on the inner side of the L-shaped vertical end of the radiator.

3. The MOS tube multichannel heat dissipation structure of the program-controlled power supply box according to claim 2, wherein a plurality of second concave grooves are formed outside the L-shaped vertical end of the heat sink, and the L-shaped transverse end of the heat sink abuts against the top of the inner wall of the box body.

4. The multi-channel MOS tube heat dissipation structure of claim 2, wherein a heat conductive adhesive is disposed between each MOS tube and the heat sink.

5. The MOS tube multichannel heat dissipation structure of program control power supply box according to claim 1, wherein said ventilation assembly comprises at least one fan, each fan is arranged corresponding to a pair of said heat sinks and is located at the same horizontal position of said box body.

6. The MOS tube multichannel heat dissipation structure of the program-controlled power supply box according to claim 5, wherein the ventilation assembly further comprises a plurality of air inlet meshes and a plurality of heat dissipation holes; the plurality of air inlet meshes are arranged on the position, corresponding to each fan, of the box body, and the radiating holes and the air inlet meshes are located at the same horizontal position.

7. The MOS tube multichannel heat dissipation structure of the program-controlled power supply box according to claim 1, wherein a plurality of fixing members are disposed at the bottom of the heat sink for fixing the heat sink to the control board.

8. The multichannel heat dissipation structure for the MOS tubes of the program-controlled power supply box according to claim 1, wherein the heat sink is further provided with screw holes for locking the MOS tubes, and the MOS tubes are fixed to the heat sink through screws.

9. The MOS tube multichannel heat dissipation structure of the program-controlled power supply box as claimed in claim 1, wherein the box body and the heat sink are both made of aluminum alloy.