CN209859941U - Water-cooling radiator - Google Patents

Abstract

The utility model belongs to the technical field of the radiator technique and specifically relates to a water-cooling radiator is related to. Including first framework and the second framework of locating first framework lower part, set firmly crooked superimposed first pipeline in the first framework, set firmly crooked superimposed second pipeline in the second framework, first pipeline constitutes rivers passageway return circuit with the second pipeline intercommunication, be equipped with spiral winding's recess on the inner wall of first pipeline, the internal diameter of second pipeline is greater than the internal diameter of first pipeline. The utility model discloses the water-cooling radiator improves the endothermic homogeneity of rivers greatly, is showing the heat absorption efficiency who improves the radiator.

Description

Water-cooling radiator

Technical Field

The utility model belongs to the technical field of the radiator and specifically relates to a water-cooling radiator is related to.

Background

Modern electronic equipment further improves the requirements on reliability, performance indexes, power density and the like, and the thermal design of the electronic equipment is more and more important. The power device is a key device in most electronic equipment, and the reliability, safety and service life of the whole machine are directly affected by the working state of the power device. In addition to the efficient dissipation of heat, reliability is also critical in the heat dissipation scheme of the power device. When an IGBT element is in work, conduction and switching loss can be generated, so that cooling equipment needs to be installed for heat dissipation, the temperature of a power device is reduced, and normal and reliable operation of the IGBT element at an allowable temperature is ensured. At present, the cooling modes of power devices mainly include air cooling, water cooling, heat pipes and the like, and along with the further improvement of the performance requirements and power density of the devices, the requirements on heat dissipation are increasingly strict. From the reliability consideration, generally select for use the water-cooling heat dissipation device to cool off, when cold water flows through the pipeline among the current water-cooling heat dissipation device, rivers are comparatively gentle when passing through the pipeline, and the water absorption's of being close to the pipeline heat is many, and the rivers absorptive heat at pipeline center is few to cause the heat absorption inequality of rivers, the heat absorption inefficiency.

Chinese patent publication No. CN207602555 discloses a channel type water-cooling radiator, which comprises a fan and a heat dissipation body, wherein the fan is arranged on the radiator body, the heat dissipation channel is arranged on the radiator body, an air outlet of the fan is connected with an air inlet of the heat dissipation channel, a water absorbing material is arranged in the heat dissipation channel, the radiator body is provided with an air inlet and an air outlet corresponding to the heat dissipation channel, and the radiator body is provided with a water inlet communicated with the heat dissipation channel. When rivers flow through the pipeline among this technical scheme, rivers are comparatively gentle to cause the heat absorption inequality of rivers, the heat absorption efficiency is lower.

Disclosure of Invention

The utility model relates to an overcome among the prior art radiator rivers heat absorption inequality, the problem that heat absorption efficiency is low provides a water-cooling radiator, the utility model discloses water-cooling radiator improves the endothermic homogeneity of rivers greatly, and heat absorption efficiency is higher.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a water-cooling radiator, includes first framework and the second framework of locating first framework lower part, first framework internal stability has crooked superimposed first pipeline, second framework internal stability has crooked superimposed second pipeline, first pipeline and second pipeline intercommunication constitute the rivers passageway return circuit, be equipped with spiral winding's recess on the inner wall of first pipeline, the internal diameter of second pipeline is greater than the internal diameter of first pipeline.

The utility model discloses a first framework and the second framework of superpose about setting up, the inside first pipeline that sets up of first framework, the inside second pipeline that sets up of second framework, set up the recess that spirals on the inner wall of first pipeline, the recess that spirals plays the effect of vortex, the internal diameter of second pipeline is greater than the internal diameter of first pipeline, in the process of rivers flow through first pipeline and second pipeline, the water pressure of first pipeline is greater than the water pressure of second pipeline, thereby make the inside rivers of first pipeline appear and strongly roll, the rivers in first pipeline center and the rivers that are close to the pipe wall appear inside and outside alternately, increase the endothermic homogeneity of rivers, improve the heat absorption efficiency of rivers; in addition, the first pipeline is communicated with the second pipeline, so that the length of a water flow channel is increased, the time of water flow in the water flow pipeline is prolonged, more heat can be absorbed by cold water, and the heat absorption efficiency is further improved.

Preferably, a rib is arranged inside the groove.

The rib inside the groove can increase the disturbance degree of the groove to water flow, so that the water flow rolls in the pipeline more violently, the uniformity of water flow heat absorption is further improved, and the heat absorption efficiency of the water flow is improved.

Preferably, the first frame has a top cover fitted to the first frame at an upper portion thereof, and the second frame has a bottom cover fitted to the second frame at a lower portion thereof.

The top cover at the upper part of the first frame body and the bottom cover at the lower part of the second frame body play a role in sealing the whole first frame body and the second frame body, and prevent foreign matters such as dust from entering the first frame body and the second frame body and covering the surfaces of the pipelines to influence the heat transfer of the pipelines.

Preferably, the top cover is made of metal copper or metal aluminum.

The top cap adopts the better metal copper or the metal aluminium of heat conduction effect, can improve the heat transfer effect of top cap greatly to avoid the rivers heat absorption effect variation that the thermal-insulated effect of top cap leads to.

Preferably, a water inlet is formed in the first frame body, a water outlet is formed in the second frame body, one end of the water flow channel loop is communicated with the water inlet, and the other end of the water flow channel loop is communicated with the water outlet.

Preferably, a heat insulating sheet is provided at a lower portion of the bottom cover.

When the external environment is too high, the cold water in the radiator can absorb the heat of the external environment, the radiating effect of the radiator is reduced, and the external high-temperature environment can be isolated through the heat insulating sheets on the bottom cover, so that the radiating effect of the radiator on components is increased.

Preferably, the first pipeline and the second pipeline are made of metal copper or metal aluminum.

The first pipeline and the second pipeline are made of metal copper or metal aluminum with good heat conduction effect, and more heat can be absorbed by water flow flowing through the first pipeline and the second pipeline.

Therefore, the utility model discloses following beneficial effect has: (1) the water flow in the center of the first pipeline and the water flow close to the pipe wall are alternated inside and outside, so that the uniformity of water flow heat absorption is improved, and the heat absorption efficiency of the water flow is improved; (2) the time of water flow in the water flow pipeline is prolonged, cold water absorbs more heat, and the heat absorption efficiency is further improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the inner wall of the first pipeline of the present invention.

Fig. 3 is a schematic structural diagram of the bottom cover of the present invention.

Reference numerals

The water flow channel comprises a first frame body 1, a second frame body 2, a first pipeline 11, a second pipeline 21, a water flow channel loop 3, a groove 31, a convex rib 32, a top cover 12, a bottom cover 22, a water inlet 13, a first fixing rod 14, a water outlet 23, a heat insulation sheet 24 and a second fixing rod 25.

Detailed Description

The technical solution of the present invention is further explained by the following specific embodiments.

Example 1

Fig. 1 shows a schematic structural view of the water-cooled radiator of the present invention, which includes a first frame body 1 and a second frame body 2 disposed at a lower portion of the first frame body, a first pipe 11 stacked in a bending manner is disposed in the first frame body, fig. 2 is a schematic structural view of an inner wall of the first pipe of the present invention, a groove 31 coiled in a spiral manner is disposed on the inner wall of the first pipe, the groove is spirally coiled on the inner wall of the first pipe along a length direction of the first pipe, a rib 32 is disposed inside the groove, the first pipe is fixed in the first frame body by a first fixing rod 14, the first pipe is made of metal copper, a top cover 12 adapted to the first frame body is disposed at an upper portion of the first frame body, and the top cover is made of metal copper; a second pipeline 21 which is bent and overlapped is arranged in the second frame body, the second pipeline is made of metal aluminum, the inner diameter of the second pipeline is larger than that of the first pipeline, the second pipeline is fixed in the second frame body through a second fixing rod 25, a bottom cover 22 matched with the second frame body is arranged at the lower part of the second frame body, and fig. 3 is a schematic structural diagram of the bottom cover of the utility model, and a heat insulation sheet 24 is arranged at the lower part of the bottom cover; the first pipeline and the second pipeline are communicated to form a water flow channel loop 3, a water inlet 13 is arranged on the first frame, a water outlet 23 is arranged on the second frame, one end of the water flow channel loop is communicated with the water inlet, and the other end of the water flow channel loop is communicated with the water outlet.

Let in cold water in the water inlet in the use, cold water flows through first pipeline and second pipeline in proper order, flow out from the delivery port at last, set up spiral coiled's recess on the inner wall of first pipeline, spiral coiled's recess plays the effect of vortex, the internal diameter of second pipeline is greater than the internal diameter of first pipeline, rivers flow through first pipeline and second pipeline in-process, the water pressure of first pipeline is greater than the water pressure of second pipeline, thereby make first pipeline inside rivers appear strongly rolling, inside and outside alternation appears in rivers at first pipeline center and the rivers that are close to the pipe wall, increase the endothermic homogeneity of rivers, the heat absorption efficiency of rivers is improved.

Example 2

Embodiment 2 is different from embodiment 1 in that the first pipe is made of metal aluminum, the second pipe is made of metal copper, and the top cover is made of metal aluminum.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.

Claims (7)

1. The utility model provides a water-cooling radiator, its characterized in that includes first framework (1) and second framework (2) of locating first framework lower part, first pipeline (11) of crooked stack have set firmly in the first framework, second pipeline (21) of crooked stack have set firmly in the second framework, first pipeline constitutes rivers passageway return circuit (3) with second pipeline intercommunication, be equipped with spiral winding's recess (31) on the inner wall of first pipeline, the internal diameter of second pipeline is greater than the internal diameter of first pipeline.

2. A water-cooled heat sink according to claim 1, characterised in that the recess is internally provided with ribs (32).

3. The water-cooled heat sink as recited in claim 1 or 2, wherein the first frame body is provided at an upper portion thereof with a top cover (12) adapted to the first frame body, and the second frame body is provided at a lower portion thereof with a bottom cover (22) adapted to the second frame body.

4. The water-cooled heat sink as recited in claim 3, wherein the top cover is made of copper or aluminum.

5. The water-cooled radiator of claim 1, wherein the first frame body is provided with a water inlet (13), the second frame body is provided with a water outlet (23), and one end of the water flow channel loop is communicated with the water inlet while the other end is communicated with the water outlet.

6. A water-cooled radiator according to claim 3, wherein a heat insulating sheet (24) is provided on a lower portion of the bottom cover.

7. The water-cooled heat sink as recited in claim 1, wherein the first pipe and the second pipe are made of copper or aluminum.