CN215582448U

CN215582448U - High heat conducting plate with good heat conducting performance

Info

Publication number: CN215582448U
Application number: CN202121963757.2U
Authority: CN
Inventors: 唐晓荣; 宋小凡; 陈晓峰
Original assignee: JIANGSU DIFEIDA ELECTRONICS CO LTD
Current assignee: JIANGSU DIFEIDA ELECTRONICS CO LTD
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-01-18
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses a high-heat-conducting plate with good heat conducting property, which comprises an aluminum substrate, wherein a copper-based rectangular frame is arranged at the top end of the aluminum substrate, a plurality of plastic heat conducting strips are arranged inside the copper-based rectangular frame, a copper-based strip is arranged between every two adjacent plastic heat conducting strips, the plastic heat conducting strips are made of heat conducting PP plastics, the thicknesses of the copper-based rectangular frame, the plastic heat conducting strips and the copper-based strips are the same, two first movable holes are formed in the top end of the copper-based rectangular frame, two second movable holes are formed in the top end of the aluminum substrate, and connecting pipes are movably and alternately connected with the inner walls of the first movable holes and the second movable holes in the adjacent positions. The utility model utilizes the arrangement of the copper-based rectangular frame, the copper-based strip and the plastic heat conducting strip, the cost of the plastic heat conducting strip is low, so that the cost of the composite heat conducting plate is reduced, meanwhile, the plastic heat conducting strip cannot conduct electricity, the thermoelectric separation is realized in the copper-based rectangular frame, and the heat conducting performance of the composite heat conducting plate is effectively improved.

Description

High heat conducting plate with good heat conducting performance

Technical Field

The utility model relates to the field of heat-conducting plates, in particular to a high heat-conducting plate with good heat-conducting property.

Background

The heat conducting plate is a component used for increasing the heat conducting performance, generally, the heat conducting plate is a copper substrate and an aluminum substrate, the copper substrate is more expensive than the aluminum substrate, a composite plate is used for saving the cost, the thinner copper substrate is covered on the aluminum substrate for use, the cost is saved while the heat conducting performance is improved, but the volume of the copper substrate covering the whole surface of the aluminum substrate is still too large, the cost is still certain, and the heat conducting performance of the composite plate is lower than that of the copper substrate used alone.

SUMMERY OF THE UTILITY MODEL

The present invention aims to provide a high thermal conductive plate with good thermal conductivity to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the high-heat-conducting plate with good heat conducting performance comprises an aluminum substrate, wherein a copper-based rectangular frame is arranged at the top end of the aluminum substrate, a plurality of plastic heat conducting strips are arranged inside the copper-based rectangular frame, a copper-based strip is arranged between every two adjacent plastic heat conducting strips, and the plastic heat conducting strips are made of heat conducting PP plastics.

Preferably, the thicknesses of the copper-based rectangular frame, the plastic heat conduction strip and the copper-based strip are the same.

Preferably, the top end of the copper-based rectangular frame is provided with two first movable holes, the top end of the aluminum substrate is provided with two second movable holes, and connecting pipes are movably inserted and connected to the inner walls of the first movable holes and the second movable holes at adjacent positions.

Preferably, the inner walls of the first movable hole and the second movable hole at adjacent positions are provided with a first inner thread groove, the outer wall of the connecting pipe is provided with a first outer thread groove, the outer wall of the first inner thread groove is in threaded connection with the outer wall of the first outer thread groove, and the top end of the inner wall of the first movable hole is provided with a first chamfer.

Preferably, the top of the outer wall of the connecting pipe is fixedly sleeved with a limiting ring, and the bottom end of the limiting ring is attached to the top end of the copper-based rectangular frame.

Preferably, the inner wall of the connecting pipe is provided with a second inner thread groove, and the top of the inner wall of the connecting pipe is provided with a second chamfer.

The utility model has the technical effects and advantages that:

(1) according to the utility model, the copper-based rectangular frame, the copper-based strip and the plastic heat conducting strip are arranged, the cost of the plastic heat conducting strip is low, so that the cost of the composite heat conducting plate is reduced, meanwhile, the plastic heat conducting strip cannot conduct electricity, thermoelectric separation is realized in the copper-based rectangular frame, and the heat conducting performance of the composite heat conducting plate is effectively improved;

(2) according to the utility model, by means of the arrangement of the first chamfer, the opening of the first movable hole is enlarged through the first chamfer, so that the connecting pipe can be conveniently inserted into the first movable hole, and the convenience of connecting the connecting pipe and the copper-based rectangular frame is improved.

Drawings

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

FIG. 2 is a side sectional structural schematic view of the present invention.

Fig. 3 is a schematic view of the enlarged structure at a of fig. 2 according to the present invention.

In the figure: 1. an aluminum substrate; 2. a copper-based rectangular frame; 3. a plastic heat conducting strip; 4. a copper base strip; 5. a connecting pipe; 6. a first internally threaded groove; 7. a first external thread groove; 8. a first chamfer; 9. a limiting ring; 10. a second internally threaded groove; 11. and (7) second chamfering.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a high heat conducting plate with good heat conducting property as shown in figures 1-3, which comprises an aluminum substrate 1, wherein the top end of the aluminum substrate 1 is provided with a copper-based rectangular frame 2, a plurality of plastic heat conducting strips 3 are arranged inside the copper-based rectangular frame 2, a copper-based strip 4 is arranged between every two adjacent plastic heat conducting strips 3, the plastic heat conducting strips 3 are heat conducting PP plastics, the heat conducting PP plastics are modified plastics which are prepared by taking PP plastics as a base material and adding heat conducting fillers to improve the heat conducting property of the PP plastics, so that the heat-conducting PP plastic has good heat-conducting effect and excellent comprehensive performance, and simultaneously has much cheaper price than copper, thereby replacing part of copper with heat-conducting PP plastic in the composite heat-conducting plate, reducing the cost of the composite heat-conducting plate, simultaneously, the heat-conducting PP material is not conductive, local thermoelectric separation can be realized in the copper-based rectangular frame 2, so that the heat conducting performance of the composite heat conducting plate is greatly improved;

the copper-based rectangular frame 2, the plastic heat conducting strips 3 and the copper-based strips 4 are the same in thickness, so that the uneven phenomenon at the top end of the composite heat conducting plate can be avoided, and the phenomenon that the hands of a worker wear when the composite heat conducting plate is taken up by the worker is avoided;

the top end of the copper-based rectangular frame 2 is provided with two first movable holes, the top end of the aluminum substrate 1 is provided with two second movable holes, the inner walls of the first movable holes and the second movable holes at adjacent positions are movably connected with connecting pipes 5 in an inserting mode, and the connecting pipes 5 are convenient to connect with the composite heat conducting plate for use;

the inner walls of the first movable hole and the second movable hole which are positioned at adjacent positions are provided with a first inner thread groove 6, the outer wall of the connecting pipe 5 is provided with a first outer thread groove 7, the outer wall of the first inner thread groove 6 is in threaded connection with the outer wall of the first outer thread groove 7, the connecting pipe 5 is fixedly connected with the composite heat-conducting plate through the arrangement of the first inner thread groove 6 and the first outer thread groove 7, the top end of the inner wall of the first movable hole is provided with a first chamfer 8, the opening area of the first movable hole is increased through the first chamfer 8, and the connecting pipe 5 can be conveniently inserted into the first movable hole;

the top of the outer wall of the connecting pipe 5 is fixedly sleeved with a limiting ring 9, the bottom end of the limiting ring 9 is attached to the top end of the copper-based rectangular frame 2, and when the limiting ring 9 abuts against the top end of the copper-based rectangular frame 2, the connecting pipe 5 is connected with the copper-based rectangular frame 2;

the inner wall of the connecting pipe 5 is provided with a second inner thread groove 10, the top of the inner wall of the connecting pipe 5 is provided with a second chamfer 11, and the connecting pipe 5 is conveniently connected with the outside through the second inner thread groove 10.

The working principle of the utility model is as follows:

aim at first activity hole and insert first activity hole with the one end of connecting pipe 5, clockwise rotation spacing ring 9 simultaneously, under the cooperation of first internal thread groove 6 and first external thread groove 7, make connecting pipe 5 move down in first activity hole, until spacing ring 9 supports the top of copper base rectangle frame 2, accomplish connecting pipe 5 and copper base rectangle frame 2 be connected, when using, two connecting pipes of pin accessible 5 in the circuit are connected with compound heat-conducting plate, after the circular telegram, alright carry out work through compound heat-conducting plate.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The high-heat-conducting plate with good heat conducting performance comprises an aluminum substrate (1) and is characterized in that a copper-based rectangular frame (2) is arranged at the top end of the aluminum substrate (1), a plurality of plastic heat conducting strips (3) are arranged inside the copper-based rectangular frame (2), a copper-based strip (4) is arranged between every two adjacent plastic heat conducting strips (3), and the plastic heat conducting strips (3) are heat conducting PP plastics.

2. The high thermal conductivity plate according to claim 1, characterized in that the copper-based rectangular frame (2), the plastic thermal conductivity strip (3) and the copper-based strip (4) have the same thickness.

3. The high heat-conducting plate according to claim 1, wherein the copper-based rectangular frame (2) has two first holes formed at the top end thereof, the aluminum substrate (1) has two second holes formed at the top end thereof, and the connecting pipes (5) are movably inserted and connected to the inner walls of the first holes and the second holes at adjacent positions.

4. The high heat-conducting plate according to claim 3, characterized in that the inner walls of the first and second movable holes at adjacent positions are formed with a first inner thread groove (6), the outer wall of the connecting pipe (5) is formed with a first outer thread groove (7), the outer wall of the first inner thread groove (6) is in threaded connection with the outer wall of the first outer thread groove (7), and the top end of the inner wall of the first movable hole is formed with a first chamfer (8).

5. The high heat-conducting plate with good heat-conducting property according to claim 3, characterized in that a limiting ring (9) is fixedly sleeved on the top of the outer wall of the connecting pipe (5), and the bottom end of the limiting ring (9) is attached to the top end of the copper-based rectangular frame (2).

6. The high heat-conducting plate according to claim 3, characterized in that the inner wall of the connecting pipe (5) is provided with a second inner thread groove (10), and the top of the inner wall of the connecting pipe (5) is provided with a second chamfer (11).