CN217721821U

CN217721821U - Copper pipe heat dissipation heat sink

Info

Publication number: CN217721821U
Application number: CN202220843900.2U
Authority: CN
Inventors: 宋进凯; 陈长青; 李文明; 郭清茂
Original assignee: Hebei Dongsen Electronic Technology Co ltd
Current assignee: Hebei Dongsen Electronic Technology Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-11-01
Anticipated expiration: 2032-04-12

Abstract

The utility model relates to a copper pipe heat dissipation heat sink, include: the heat dissipation tooth comprises a heat dissipation tooth base contacted with the heating element and a heat dissipation tooth surface contacted with cooling air, a plurality of air channels are formed on the heat dissipation tooth surface, and the surface of the heat dissipation tooth base opposite to the heat dissipation tooth is a contact surface contacted with the high-temperature element; copper pipe cooling system is inlayed by the several copper pipe and is located in the slot of contact surface, it becomes to extend even cover to the periphery by the high temperature point on heat dissipation tooth base surface, just the exposed surface of copper pipe is rather than the contact surface parallel and level of place heat dissipation tooth base to on the leading-in heat dissipation tooth base of contact surface through heat dissipation tooth base in making the heat budget, rethread heat dissipation tooth base, even distribution is to heat dissipation tooth flank, and the wind that is formed by the fan at last takes away the heat. The method can be applied to a heat dissipation system of a large-scale chip with high power consumption, and the application range can be 8-10KW.

Description

Copper pipe heat dissipation heat sink

Technical Field

The utility model belongs to the heat transfer field especially relates to a copper pipe heat dissipation heat sink for making high power components and parts reach the cooling rapidly, improve the radiating effect.

Background

As the performance requirements of customers on electronic products are higher and higher, the performance, number and power of corresponding chips are higher and higher, and the requirements on a heat dissipation system are correspondingly improved, the requirements of new products are difficult to meet by the existing heat dissipation means.

At present, the common existing heat dissipation technology is a solution for heat dissipation of core components, namely, a high-power (high-temperature) component is mounted on a mounting surface of a heat dissipation tooth, heat is transferred to the tooth surface of the heat dissipation tooth through the mounting surface, air is blown by a fan to form air convection, the heat is blown to the outside of equipment from the tooth surface of the heat dissipation tooth, the equipment is cooled, and the application range of the equipment can reach 1-5KW.

The heat dissipation device has the disadvantages that if the heat of components needing heat dissipation is concentrated or excessive, most of the heat of the device can not be dissipated by a heat dissipation method which only depends on solid heat dissipation and air convection.

The reason for the defects in the prior art is that the heat is too concentrated and is transmitted by the solid, so that the heat cannot be rapidly and uniformly distributed on the tooth surface of the heat dissipation tooth, and the heat is only concentrated on the heat dissipation tooth surface around the component, so that the heat dissipation area is too small, and the cooling efficiency is insufficient.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a simple structure, with low costs, can solve the power amplifier components and parts and generate heat the problem of concentrating, and effectively reduce the copper pipe heat dissipation heat sink of the operating temperature of components and parts.

The utility model discloses a main idea lies in, through passing through copper pipe cooling system with too concentrated heat, on even distribution arrived heat dissipation tooth base, rethread heat dissipation tooth base, even distribution took away the heat of flank of tooth through the fan on the heat dissipation tooth flank of tooth to reach the purpose that improves the radiating efficiency.

In order to solve the technical problem, the present application provides the following technical solutions:

the utility model discloses copper pipe heat dissipation heat sink, include: the heat dissipation tooth comprises a heat dissipation tooth base contacted with the heating element and a heat dissipation tooth surface contacted with cooling air, a plurality of air channels are formed on the heat dissipation tooth surface, and the surface of the heat dissipation tooth base opposite to the heat dissipation tooth is a contact surface contacted with the high-temperature element; copper pipe cooling system is inlayed by the several copper pipe and is located in the slot of contact surface, it becomes to extend even cover to the periphery by the high temperature point on heat dissipation tooth base surface, just the exposed surface of copper pipe is rather than the contact surface parallel and level of place heat dissipation tooth base to on the leading-in heat dissipation tooth base of contact surface through heat dissipation tooth base in making the heat budget, rethread heat dissipation tooth base, even distribution is to heat dissipation tooth flank, and the wind that is formed by the fan at last takes away the heat.

The utility model discloses copper pipe heat dissipation heat sink, wherein the copper pipe both ends are sealed, and inside is equipped with heat-conducting medium, through copper intraductal liquid vaporization condensation, quick transmission heat reaches the requirement that improves the radiating efficiency.

Preferably, the copper pipe extends from the high temperature point to the periphery, and the copper pipe can uniformly cover the contact surface of the heat dissipation tooth base in a U-shaped or L-shaped extension manner, and a plurality of high temperature points can be arranged.

Preferably, the heat dissipation teeth and the copper pipe are connected by adopting a welding and brazing process, and further, the exposed surface of the copper pipe is higher than the contact surface of the heat dissipation tooth base where the copper pipe is located, and redundant parts are removed after welding to form a complete plane.

Compared with the prior art, the utility model discloses copper pipe heat dissipation heat sink has following beneficial effect at least:

1. the utility model discloses can be used to the heat source and concentrate, the heat consumption is higher, the more environment of heat source, has the coefficient of heat conductivity of superelevation because of copper pipe cooling system, can realize the remote heat-conduction of low thermal resistance, and the whole working face is propagated to the heat to the quick, reaches the radiating purpose of high efficiency.

2. The utility model discloses can also be used to the not enough operating mode of heat radiating area, because copper pipe cooling system can realize the long-distance conduction of low thermal resistance, so when heat radiating area is not enough, also can utilize this characteristic of heat pipe, increase heat exchange area.

The heat dissipation and cooling device for copper pipe of the present invention will be further described with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural view of the copper pipe heat dissipation and cooling device of the present invention;

fig. 2 is a thermal simulation diagram of the copper pipe heat dissipation and cooling device of the present invention.

Wherein:

a heat dissipation tooth 2.

Detailed Description

As shown in fig. 1, the utility model discloses copper pipe heat dissipation heat sink, include:

1. the heat dissipation tooth is formed by bending and welding a thin aluminum plate, so that the heat dissipation area is increased, the cooling speed of a heat dissipation plate is increased, and the overall weight of the heat dissipation tooth is reduced;

2. the copper pipe heat radiation system is embedded in a plurality of copper pipes in a groove of a contact surface of the heat radiation tooth base opposite to the heat radiation tooth, the copper pipe extends from a high-temperature point to the periphery, preferably extends in a U shape or an L shape to uniformly cover the surface of the heat radiation tooth base, the exposed surface of the copper pipe is flush with the contact surface of the heat radiation tooth base, so that the heat budget is led into the heat radiation tooth base through the contact surface of the heat radiation tooth base and then uniformly distributed to the tooth surface of the heat radiation tooth through the heat radiation tooth base, and finally, the heat is taken away by wind formed by a fan.

To sum up, the utility model discloses a through copper pipe cooling system, with the heat quick transfer to the opposite side of high temperature point, reach the purpose of high temperature point cooling, when being heated around copper pipe or copper pipe, the temperature is passed through the copper pipe outer wall, conducts the liquid of copper intraduct fast, liquid vaporization conversion through inside liquid to realize the transmission of temperature fast, because the heat pipe has extremely excellent heat conductivility, can greatly reduce the thermal resistance of totality, thereby obvious improvement radiating effect.

In order to firmly connect the heat dissipation teeth and the copper pipe, the structure of the embodiment adopts a welding and brazing process. Because the melting point of the brazing filler metal is low, the brazing filler metal melts but the weldment does not melt, the deformation damage of the welding process to the workpiece can be greatly reduced, and the technology is mature and reliable.

Meanwhile, in order to ensure that the copper pipe is in close contact with a heat dissipation device, the size of the copper pipe is 0.1 higher than that of the groove, and after the copper pipe is welded with the heat dissipation teeth, the copper pipe is processed to a designed size so as to ensure that a contact surface and the copper pipe are in a plane and reduce interface thermal resistance.

The utility model discloses a copper pipe cooling system relies on copper pipe cooling system, high temperature point on the tooth will dispel the heat, even transmission is to whole heat dissipation tooth on the surface to combine together with heat dissipation tooth and forced air cooling, through the evaporation of liquid condensation in the copper pipe, quick transmission heat reaches the requirement that improves the radiating efficiency, makes the high power components and parts reach the cooling rapidly, improves radiating effect's system application, can be applied to the cooling system of high-power consumption, extensive chip, and the range of application can be to 8-10KW.

From fig. 2 the utility model discloses copper pipe heat dissipation heat sink's thermal simulation picture can know, the utility model discloses can be quick propagate whole working face with the heat, reach the radiating purpose of high efficiency.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a copper pipe heat dissipation heat sink which characterized in that includes:

the heat dissipation tooth comprises a heat dissipation tooth base contacted with the heating element and a heat dissipation tooth surface contacted with cooling air, a plurality of air channels are formed on the heat dissipation tooth surface, and the surface of the heat dissipation tooth base opposite to the heat dissipation tooth is a contact surface contacted with the high-temperature element;

the copper pipe heat radiation system is embedded in the groove of the contact surface by a plurality of copper pipes, the copper pipes uniformly extend from a high-temperature point to the periphery and cover the surface of the heat radiation tooth base, and the exposed surface of each copper pipe is flush with the contact surface of the heat radiation tooth base where the copper pipe is located.

2. The copper tube heat dissipation and cooling device as recited in claim 1, wherein two ends of the copper tube are closed, and a heat conducting medium is disposed inside the copper tube.

3. A copper tube heat sink according to claim 1 or claim 2, wherein said copper tube extends from the high temperature point to the periphery.

4. The copper tube heat sink as recited in claim 3, wherein said copper tube is formed into a U-shape or L-shape extending uniformly over said heat sink base contact surface.

5. The copper tube heat dissipation and cooling device as recited in claim 4, wherein the heat dissipation teeth are connected to the copper tube by a welding and brazing process.

6. A copper tube heat dissipation and cooling device as claimed in claim 5, wherein the contact surface between the exposed surface of the copper tube and the heat dissipation tooth base is a plane that is removed after welding, and the copper tube is higher than the surface of the groove.

7. A copper tube heat sink according to claim 3, wherein the contact surface has a plurality of high temperature points.