CN219761714U - Low-thermal-resistance heat conducting fin with corrosion resistance function for power module - Google Patents

Abstract

The utility model discloses a low-thermal-resistance heat conducting sheet with a corrosion-resistant function for a power module, which comprises a heat conducting plate and a connecting plate, wherein a plurality of fins are arranged between the heat conducting plate and the connecting plate, the outer surface of each fin is fixedly connected with the heat conducting plate and the connecting plate respectively, the heat conducting plate comprises a base material layer, a heat conducting silicone grease layer, a heat conducting layer, an anti-rust coating and a corrosion-resistant layer, the heat conducting silicone grease layer is arranged outside the base material layer, the heat conducting layer is connected to the outside of the heat conducting silicone grease layer, and the anti-rust coating is coated on the outer surface of the heat conducting layer. The device utilizes the heat of fin dispersion heat-conducting plate, and the fin is inside to set up the ventilation pipe, can accelerate the heat dissipation, sets up heat dissipation fan and louvre moreover on the connecting plate, conveniently dispels the heat, and the heat-conducting plate adopts corrosion-resistant substrate layer and heat-conducting layer to connect to set up rust-resistant coating and corrosion-resistant layer in the outside, play good corrosion-resistant effect, can not cause corrosion when long-time use, influence power module radiating problem.

Description

Low-thermal-resistance heat conducting fin with corrosion resistance function for power module

Technical Field

The utility model relates to the field of power modules, in particular to a low-thermal-resistance heat conducting fin with a corrosion resistance function for a power module.

Background

The power module is a power supply which can be directly mounted on a printed circuit board, and is characterized by being capable of providing power for an application specific integrated circuit, a digital signal processor, a microprocessor, a memory, a field programmable gate array and other digital or analog loads, and generally, the module is called a load power supply system or a point-of-use power supply system, and the module 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 due to the great advantages of the module structure.

In order to facilitate heat dissipation in the power module, the power module is connected with the low-thermal-resistance heat conducting strip, but the current low-thermal-resistance heat conducting strip is influenced by air for a long time, corrosion is easy to occur, and the heat conducting effect of the heat conducting strip is influenced.

Disclosure of Invention

The utility model aims to provide a low-thermal-resistance heat conducting sheet with a corrosion resistance function for a power module, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a power module is with having corrosion-resistant function low thermal resistance conducting strip, includes heat-conducting plate and connecting plate, be equipped with a plurality of fins between heat-conducting plate and the connecting plate, every the surface of fin respectively with heat-conducting plate and connecting plate fixed connection, the heat-conducting plate includes substrate layer, heat conduction silicone grease layer, heat conduction layer, rust-resistant coating and corrosion-resistant layer, the outside of substrate layer is equipped with the heat conduction silicone grease layer, the outside on heat conduction silicone grease layer is connected with the heat conduction layer, the surface of heat conduction layer scribbles rust-resistant coating, rust-resistant coating's outside is equipped with corrosion-resistant layer.

In a further embodiment, four mounting holes are formed in the front face of the heat conducting plate, and four threaded holes are formed in the front face of the heat conducting plate.

In a further embodiment, a ventilation pipe is fixedly connected to the inside of the plurality of fins.

In a further embodiment, the back of the connecting plate is fixedly provided with a heat dissipation fan, and the back of the connecting plate is provided with heat dissipation holes which are arranged at equal intervals.

In a further embodiment, each set of said heat dissipating holes is located between two fins.

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

the device is provided with the threaded hole on the heat conducting plate, so that the power module and the heat conducting plate can be conveniently connected, a plurality of fins are arranged between the heat conducting plate and the connecting plate, the fins are used for dispersing heat of the heat conducting plate, the ventilating pipe is arranged inside the fins, heat dissipation can be accelerated, the heat radiating fan and the heat radiating holes are formed in the connecting plate, heat dissipation is convenient, the heat conducting plate is connected with the heat conducting layer through the corrosion-resistant base material layer, the rust-resistant coating and the corrosion-resistant layer are arranged outside, good corrosion-resistant effect is achieved, and corrosion of the heat conducting plate cannot be caused when the heat conducting plate is used for a long time, so that the heat dissipation problem of the power module is affected.

Drawings

Fig. 1 is a schematic perspective view of a low thermal resistance heat conductive sheet with corrosion resistance for a power module.

Fig. 2 is a plan view of a heat conductive plate in a low thermal resistance heat conductive sheet having a corrosion resistance function for a power module.

Fig. 3 is a front view of a connecting plate in a low thermal resistance heat conductive sheet with corrosion resistance for a power module.

Fig. 4 is a cross-sectional view of a heat conductive plate in a low thermal resistance heat conductive sheet having a corrosion resistance function for a power module.

In the figure: 1. a heat conductive plate; 101. a substrate layer; 102. a thermally conductive silicone grease layer; 103. a heat conducting layer; 104. an anti-rust coating; 105. a corrosion resistant layer; 2. a threaded hole; 3. a mounting hole; 4. a fin; 5. a connecting plate; 6. a heat dissipation fan; 7. a ventilation pipe; 8. and the heat dissipation holes.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-4, in the utility model, a low thermal resistance heat conducting sheet with corrosion resistance for a power module comprises a heat conducting plate 1 and a connecting plate 5, wherein a plurality of fins 4 are arranged between the heat conducting plate 1 and the connecting plate 5, the outer surface of each fin 4 is fixedly connected with the heat conducting plate 1 and the connecting plate 5 respectively, the heat conducting plate 1 comprises a base material layer 101, a heat conducting silicone grease layer 102, a heat conducting layer 103, an anti-rust coating 104 and a corrosion resistant layer 105, the heat conducting silicone grease layer 102 is arranged outside the base material layer 101, the heat conducting silicone grease layer 102 is externally connected with the heat conducting layer 103, the anti-rust coating 104 is coated on the outer surface of the heat conducting layer 103, and the corrosion resistant layer 105 is arranged outside the anti-rust coating 104.

Four mounting holes 3 have been seted up in the front of heat-conducting plate 1, four screw holes 2 have been seted up in the front of heat-conducting plate 1, make things convenient for heat-conducting plate 1 to install fixedly through mounting hole 3, screw hole 2 makes things convenient for the fixed power module of installation, the inside fixedly connected with ventilation pipe 7 jointly of a plurality of fins 4, conveniently cooperate fin 4 to dispel the heat through ventilation pipe 7, the back fixed mounting of connecting plate 5 has heat dissipation fan 6, equidistant louvre 8 have been seted up at the back of connecting plate 5, heat dissipation fan 6 and louvre 8 cooperation can play supplementary radiating effect, every group louvre 8 all is located between two fins 4.

The working principle of the utility model is as follows:

when the heat conducting plate is used, the low-thermal resistance heat conducting plate is firstly arranged in a power supply shell, a power supply module is fixedly arranged on the heat conducting plate 1 through the threaded hole 2, heat is conducted to the heat conducting plate 1 in the operation process of the power supply module, the heat conducting plate 1 utilizes the fins 4 to enlarge the heat radiating area, and meanwhile, the fins 4 and the heat conducting plate 1 are radiated by the heat radiating fan 6 arranged behind the connecting plate 5, and as the heat conducting plate 1 is connected by the corrosion-resistant base material layer 101 and the heat conducting layer 103, the anti-rust coating 104 and the corrosion-resistant layer 105 are arranged outside, so that a good corrosion-resistant effect is achieved.

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 (5)

1. The utility model provides a power module is with having corrosion-resistant function low thermal resistance conducting strip which characterized in that: including heat-conducting plate (1) and connecting plate (5), be equipped with a plurality of fins (4) between heat-conducting plate (1) and connecting plate (5), every the surface of fin (4) respectively with heat-conducting plate (1) and connecting plate (5) fixed connection, heat-conducting plate (1) include substrate layer (101), heat-conducting silicone grease layer (102), heat-conducting layer (103), rust-resistant coating (104) and corrosion-resistant layer (105), the outside of substrate layer (101) is equipped with heat-conducting silicone grease layer (102), the outside of heat-conducting silicone grease layer (102) is connected with heat-conducting layer (103), the outward appearance of heat-conducting layer (103) scribbles rust-resistant coating (104), the outside of rust-resistant coating (104) is equipped with corrosion-resistant layer (105).

2. The low-thermal-resistance heat conductive sheet with corrosion resistance for a power module according to claim 1, wherein: four mounting holes (3) are formed in the front face of the heat conducting plate (1), and four threaded holes (2) are formed in the front face of the heat conducting plate (1).

3. The low-thermal-resistance heat conductive sheet with corrosion resistance for a power module according to claim 1, wherein: the inside of a plurality of fins (4) is fixedly connected with a ventilation pipe (7) together.

4. The low-thermal-resistance heat conductive sheet with corrosion resistance for a power module according to claim 1, wherein: the back of the connecting plate (5) is fixedly provided with a heat dissipation fan (6), and the back of the connecting plate (5) is provided with heat dissipation holes (8) which are arranged at equal intervals.

5. The low-thermal-resistance heat conductive sheet with corrosion resistance for a power module according to claim 4, wherein: each group of radiating holes (8) is positioned between two fins (4).