CN210927435U

CN210927435U - Power module with heat dissipation mechanism

Info

Publication number: CN210927435U
Application number: CN201922217523.2U
Authority: CN
Inventors: 张慧英
Original assignee: Xi'an Xilei Pulse Power Research Institute Co ltd
Current assignee: Xi'an Xilei Pulse Power Research Institute Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-07-03
Anticipated expiration: 2029-12-12

Abstract

The utility model belongs to the technical field of power supply modules, and discloses a power supply module with a heat dissipation mechanism, which comprises a power supply module shell, wherein a rubber block is arranged above the power supply module shell, a protection plate is arranged above the rubber block, ventilating ducts are arranged on both sides of the power supply module shell in a penetrating way, two dust screens are arranged inside the ventilating ducts, a circuit board is arranged inside the power supply module shell, a heat dissipation port is arranged on the front surface wall of the power supply module shell, the inner surface wall of the heat dissipation port is provided with a heat dissipation fin, the power supply module with the heat dissipation mechanism can increase the air circulation inside the power supply module shell by arranging the ventilating ducts on both sides of the power supply module shell, so that the inside of the power supply module shell is kept dry, the dust screens can prevent external dust from entering the power supply module through the ventilating ducts, and the dust removal effect is effective, the service life of the power supply module is prolonged.

Description

Power module with heat dissipation mechanism

Technical Field

The utility model relates to a power module technical field specifically is a power module from area heat dissipation mechanism.

Background

The module power supply is a power supply which can be directly attached to a printed circuit board and is characterized by supplying power to an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a microprocessor, a memory, a Field Programmable Gate Array (FPGA) and other digital or analog loads. Generally, such modules are referred to as point-of-load (POL) power supply systems or point-of-use power supply systems (PUPS). Due to the advantages of the modular structure, the modular power supply is widely used in the communication fields of switching equipment, access equipment, mobile communication, microwave communication, optical transmission, routers and the like, and in automotive electronics, aerospace and the like.

At present, according to the power module with the heat dissipation mechanism, which is named as 201420656430.4, although the heat dissipation body is directly arranged in the power module and on the shell, the distance between the heat dissipation body and the power module is close to a heat source, so that the heat dissipation efficiency is improved, the ventilation effect is not good, the dehumidifying effect is not good, the service life of the power module is easily influenced, meanwhile, the power module is not convenient to protect, the damage of the power module is easily caused by external impact, and therefore, the power module with the heat dissipation mechanism is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a from power module who takes heat dissipation mechanism, through installing the both sides at the power module casing with the funnel, the inside air circulation nature of multiplicable power module casing, make the inside dry that keeps of power module casing, the dust screen prevents that outside dust from passing through the funnel and getting into power module, the dust removal effect is effective, power module's life has been increased, the guard plate prevents that outside article striking is on power module, cause power module's damage, when the block rubber receives the vibration of guard plate, produce and warp, the vibration that produces when having cushioned the guard plate striking when warping, power module's damage has been avoided in dual protection, the problem of proposing in the background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a from power module of taking heat dissipation mechanism, includes the power module casing, the top of power module casing is provided with the block rubber, the top of block rubber is provided with the guard plate, the funnel has all been run through to the both sides of power module casing, two the dust screen is all installed to the inside of funnel, the inside of power module casing is provided with the circuit board, and the preceding table wall of power module casing has seted up the thermovent, the interior table wall of thermovent is provided with the fin.

As a preferred embodiment of the present invention, an electrical connector is disposed below the circuit board.

As a preferred embodiment of the present invention, the top end of the protection plate is provided with a protrusion.

As a preferred embodiment of the present invention, the heat dissipation openings are provided with five heat dissipation openings, and the five heat dissipation openings are distributed at equal intervals.

As a preferred embodiment of the present invention, a shielding layer is disposed below the power module casing.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a from power module of taking heat dissipation mechanism, through installing the funnel in the both sides of power module casing, the inside air circulation nature of multiplicable power module casing makes the inside drying that keeps of power module casing, and the dust screen prevents that outside dust from getting into power module through the funnel, and dust removal effect is effective, has increased power module's life.

2. The utility model discloses a from power module of taking heat dissipation mechanism, the guard plate prevents that outside article striking from causing power module's damage on power module, and when the block rubber received the vibration of guard plate, the production warp, and the vibration that produces when having cushioned the guard plate striking when warping, power module's damage has been avoided in dual protection.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of the internal structure of a power module with a heat dissipation mechanism according to the present invention;

FIG. 2 is an external view of the power module with a heat dissipation mechanism of the present invention;

fig. 3 is a top view of the power module with a heat dissipation mechanism according to the present invention.

In the figure: 1 guard plate, 2 rubber blocks, 3 ventilation ducts, 4 dust screens, 5 power module casings, 6 shielding layers, 7 circuit boards, 8 radiating fins, 9 thermovents, 10 bulges.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a from power module of taking heat dissipation mechanism, including power module casing 5, power module casing 5's top is provided with block rubber 2, block rubber 2's top is provided with guard plate 1, funnel 3 has all been run through to power module casing 5's both sides, dust screen 4 is all installed to two funnel 3's inside, power module casing 5's inside is provided with circuit board 7, and power module casing 5's preceding table wall has seted up thermovent 9, thermovent 9's interior table wall is provided with fin 8.

In this embodiment (see fig. 1), an electrical connector is disposed below the circuit board 7.

In this embodiment (please refer to fig. 3), a protrusion 10 is disposed at the top end of the protection plate 1.

In this embodiment (see fig. 2), the heat dissipation ports 9 are provided with five heat dissipation ports 9, and the five heat dissipation ports 9 are distributed at equal intervals.

In this embodiment (please refer to fig. 1 and fig. 2), a shielding layer 6 is disposed below the power module housing 5.

It should be noted that the utility model relates to a power module with a heat dissipation mechanism, which comprises a protection plate 1, a rubber block 2, a ventilation funnel 3, a dust screen 4, a power module shell 5, a shielding layer 6, a circuit board 7, a heat sink 8, a heat dissipation port 9, a heat sink 10, and all parts are universal standard parts or parts known by technicians in the field, the structure and principle of the power module are known by technicians or conventional test methods, when the power module with the heat dissipation mechanism is used, an operator can fix the protection plate 1 on the rubber block 2 through glue, the protection plate 1 can prevent external objects from impacting on the power module to damage the power module, the rubber block 2 deforms when being vibrated by the protection plate 1, and the deformation and the vibration generated when the protection plate 1 impacts are buffered, the inside air circulation nature of 3 multiplicable power module casings 5 of ventilation funnel makes 5 inside dry that keep of power module casing, and dust screen 4 prevents that outside dust from passing through 3 entering power module of ventilation funnel, and dust removal effect is effective, has increased power module's life, and the heat dissipation of the power module of being convenient for of fin 8.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a from power module of taking heat dissipation mechanism, includes power module casing (5), its characterized in that: the top of power module casing (5) is provided with rubber block (2), the top of rubber block (2) is provided with guard plate (1), funnel (3) have all been run through to the both sides of power module casing (5), two dust screen (4) are all installed to the inside of funnel (3), the inside of power module casing (5) is provided with circuit board (7), and the preceding table wall of power module casing (5) has seted up thermovent (9), the interior table wall of thermovent (9) is provided with fin (8).

2. The power module with the heat dissipation mechanism as set forth in claim 1, wherein: and an electric connecting piece is arranged below the circuit board (7).

3. The power module with the heat dissipation mechanism as set forth in claim 1, wherein: the top end of the protection plate (1) is provided with a bulge (10).

4. The power module with the heat dissipation mechanism as set forth in claim 1, wherein: the number of the heat dissipation ports (9) is five, and the five heat dissipation ports (9) are distributed at equal intervals.

5. The power module with the heat dissipation mechanism as set forth in claim 1, wherein: and a shielding layer (6) is arranged below the power module shell (5).