CN210628296U

CN210628296U - Cooling device for heat exchange of CPU radiator

Info

Publication number: CN210628296U
Application number: CN201921809153.5U
Authority: CN
Inventors: 李伟超
Original assignee: Beijing Deepcool Industries Co ltd
Current assignee: Beijing Deepcool Industries Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-05-26
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a cooling device for CPU radiator heat exchange, this cooling device for CPU radiator heat exchange includes: the heat dissipation copper bottom is arranged at the bottom of the cooling device; the shell is arranged above the heat dissipation copper bottom, a composite cavity is formed in the shell, the composite cavity comprises an impeller cavity and a heat exchange cavity which are vertically arranged and are separated by a horizontal wall, and the impeller cavity is positioned above the heat exchange cavity; the impeller is arranged in the impeller cavity, and an impeller cover is arranged above the shell; and a motor line group provided on the impeller cover; wherein the heat exchange chamber and the impeller chamber are communicated by at least one pipe provided on a sidewall of the heat exchange chamber, and the sidewall of the heat exchange chamber is separated from the horizontal wall by a step. The utility model discloses a cooling device provides sufficient space for the intercommunication pipeline, makes the coolant liquid carry out the heat exchange more high-efficiently.

Description

Cooling device for heat exchange of CPU radiator

Technical Field

The utility model relates to a CPU radiator technical field especially relates to a cooling device for CPU radiator heat exchange.

Background

With the rapid development of electronic technology and information network technology, computers have become an essential part of people's daily life. With the rapid development of electronic technology, the performance of computers is also rapidly improved. The performance improvement is accompanied with the increase of the heat productivity of the internal parts of the computer, which has serious influence on the performance and the service life of the computer.

The water-cooled radiator commonly used for radiating computer processors dissipates heat through circulation of cooling liquid. The water-cooled radiator comprises a water-cooled pump head, a pipeline, a radiating fin and the like. The water-cooling pump head in the prior art comprises a heat exchange cavity and a pump cavity, a horizontal wall is arranged between the heat exchange cavity and the pump cavity for dividing, and cooling liquid is communicated with a heat dissipation cavity and the pump cavity through a pipeline vertically arranged on the horizontal wall so as to achieve the purpose of circulating heat dissipation. However, there is a limit to the way of the pump chamber and the heat exchange chamber that are communicated through the horizontal wall, which may cause problems such as a narrow communication pipe portion, and further affect the heat dissipation effect.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cooling device for CPU radiator heat exchange, it can overcome prior art's above-mentioned problem.

In order to achieve the above object, the present invention provides a cooling device for heat exchange of a CPU heat sink, the cooling device for heat exchange of a CPU heat sink comprising: the heat dissipation copper bottom is arranged at the bottom of the cooling device; the shell is arranged above the heat dissipation copper bottom, a composite cavity is formed in the shell, the composite cavity comprises an impeller cavity and a heat exchange cavity which are vertically arranged and are separated by a horizontal wall, and the impeller cavity is positioned above the heat exchange cavity; the impeller is arranged in the impeller cavity, and an impeller cover is arranged above the shell; and a motor line group provided on the impeller cover; wherein the heat exchange chamber and the impeller chamber are communicated by at least one pipe provided on a sidewall of the heat exchange chamber, and the sidewall of the heat exchange chamber is separated from the horizontal wall by a step.

In a preferred embodiment, the impeller chamber and the heat exchange chamber are injection molded as a unitary structure, the impeller chamber is provided with a water supply port and a water discharge port, wherein the water supply port is communicated with one of the pipes arranged on the side wall of the heat exchange chamber, the water discharge port is communicated with the other pipe arranged on the side wall of the heat exchange chamber, and the water supply port inlet and the water discharge port are respectively arranged on the side wall of the heat exchange chamber.

In a preferred embodiment, a first water inlet and a first water outlet are arranged on the outer side surface of the shell, and the first water inlet and the first water outlet are respectively connected with an external water inlet nozzle and an external water outlet nozzle.

In a preferred embodiment, the cooling device further includes a guide plate disposed in the heat exchange cavity, the front surface of the guide plate is provided with a water inlet channel, a water outlet channel and a first water outlet channel, the center of the back surface of the guide plate is provided with a second water outlet channel, and the two sides of the guide plate are respectively provided with a second water inlet, wherein the water inlet channel is communicated with the first water inlet, the water outlet channel is communicated with the first water outlet, the water inlet channel is communicated with the second water outlet channel, and the first water outlet channel is provided with two second water outlets.

In a preferred embodiment, the cooling liquid can flow in from the first water inlet, and flow into the heat absorbing plate on the heat dissipation copper bottom through the water inlet channel and the second water outlet channel to perform heat exchange, the cooling liquid after heat exchange is respectively converged into one of the two pipelines from the two second water inlets, the first water outlet channel and the upper water inlet to enter the impeller cavity, and the cooling liquid can flow into the lower water channel through the lower water inlet, the other pipeline and the lower water outlet after the impeller is pressurized, and flow out from the first water outlet.

In a preferred embodiment, a groove is formed in the middle of the impeller cavity and used for storing cooling liquid, a water baffle is arranged in the groove, a through hole is formed in the center of the water baffle, and the water baffle is used for guiding the inflow water at the side to the center.

In a preferred embodiment, the water stop plate is shielded above the water feeding port, and a vertical baffle plate is arranged on one side of the water stop plate close to the water feeding port.

In a preferred embodiment, the impeller cover is internally provided with a central shaft, one end of the central shaft is connected with the top inner wall of the impeller cover, and the other end of the central shaft is used for penetrating through the center of the impeller and is arranged in the through hole of the water-stop plate.

In a preferred embodiment, the diameter of the through hole is larger than the diameter of the central shaft.

In a preferred embodiment, a soft rubber sheet is arranged between the guide plate and the heat absorbing plate on the heat dissipation copper bottom, sealing rings are arranged between the impeller cover and the shell and between the shell and the heat dissipation copper bottom, and a sealing threaded ring is arranged at the bottom of the heat dissipation copper bottom.

Compared with the prior art, according to the utility model discloses a cooling device for CPU radiator heat exchange has following advantage: the utility model discloses a horizontal wall has obvious partition with the lateral wall, has right angle switching and step, and fundamentally has distinguished horizontal wall and lateral wall, the utility model discloses a intercommunication pipeline setting between heat exchange cavity and the impeller cavity is on the lateral wall in heat exchange cavity to avoid prior art's drawback, provide sufficient space for the intercommunication pipeline, make the coolant liquid carry out the heat exchange more high-efficiently.

Drawings

Fig. 1 is a schematic front view of a cooling device according to an embodiment of the present invention;

fig. 2 is an internal perspective view of a cooling device according to an embodiment of the present invention;

fig. 3 is a view showing an internal perspective of a cooling device according to an embodiment of the present invention in another direction;

fig. 4 is an exploded view of a cooling device according to an embodiment of the present invention;

fig. 5 is a perspective view of a housing according to an embodiment of the present invention;

fig. 6 is a front view of a housing according to an embodiment of the present invention;

fig. 7 is a top view of a housing according to an embodiment of the present invention;

FIG. 8 is a cross-sectional view taken along line B-B of FIG. 6;

FIG. 9 is a cross-sectional view taken along A-A of FIG. 6;

fig. 10 is a bottom perspective view of a housing according to an embodiment of the present invention;

fig. 11 is a perspective view of a baffle according to an embodiment of the present invention;

fig. 12 is a schematic front view of a baffle according to an embodiment of the present invention;

fig. 13 is a schematic back view of a baffle according to an embodiment of the present invention;

fig. 14 is a perspective view of a water stop sheet according to an embodiment of the present invention;

fig. 15 is a perspective view of the inside of an impeller cover according to an embodiment of the present invention.

Description of the main reference numerals:

1-radiating copper bottom, 2-shell, 3-impeller, 4-impeller cover, 5-motor wire group, 6-composite chamber, 7-horizontal wall, 8-impeller cavity, 9-heat exchange cavity, 10-side wall of heat exchange cavity, 11-water feeding port, 12-water discharging port, 13-water feeding port inlet, 14-first water inlet, 15-first water outlet, 16-guide plate, 17-water inlet channel, 18-water discharging channel, 19-first water outlet channel, 20-second water outlet channel, 21-second water inlet, 22-second water outlet, 23-groove, 24-water baffle, 25-soft rubber sheet, 29-heat absorbing plate and 30-vertical baffle.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

As shown in fig. 1 to 4, a cooling apparatus for heat exchange of a CPU heat sink according to a preferred embodiment of the present invention includes: the cooling device comprises a heat dissipation copper bottom 1, a shell 2, an impeller 3, an impeller cover 4 and a motor line group 5, wherein the heat dissipation copper bottom 1 is arranged at the bottom of the cooling device, the shell 2 is arranged above the heat dissipation copper bottom 1 and is fixedly connected with the heat dissipation copper bottom 1, a composite chamber 6 is formed inside the shell 2, the composite chamber 6 comprises an impeller cavity 8 and a heat exchange cavity 9 which are vertically arranged and are separated through a horizontal wall 7, and the impeller cavity 8 is positioned above the heat exchange cavity 9; the impeller 3 is arranged in the impeller cavity 8, the impeller cover 4 is arranged above the shell, and the motor line group 5 is arranged on the impeller cover 4. Wherein the heat exchange chamber 9 and the impeller chamber 8 are in communication through at least one conduit provided in the side wall 10 of the heat exchange chamber, and wherein there is a distinct separation between the side wall 10 of the heat exchange chamber and the horizontal wall 7, as shown by the step 33 in figure 1.

Preferably, the impeller cavity and the heat exchange cavity are molded into an integral structure, and the split structure is optimized into an integral structure, so that the risk of connection leakage is avoided, and the cost is saved. Referring to fig. 5-10, an upper nozzle 11 and a lower nozzle 12 are arranged in the impeller chamber 8, the upper nozzle 11 and the lower nozzle 12 are not on the same horizontal plane, and the lower nozzle 12 is located at a position higher than the upper nozzle 11, wherein the upper nozzle 11 is communicated with one of the pipes arranged on the side wall 10 of the heat exchange chamber, the lower nozzle 12 is communicated with the other pipe arranged on the side wall 10 of the heat exchange chamber, and an inlet 13 of the upper nozzle and an outlet of the lower nozzle are respectively arranged on the side wall 10 of the heat exchange chamber. A first water inlet 14 and a first water outlet 15 are arranged on the outer side surface of the shell 2, and the first water inlet 14 and the first water outlet 15 are respectively connected with an external water inlet nozzle and an external water outlet nozzle.

Referring to fig. 11 to 13, the cooling device further includes a guide plate 16 disposed in the heat exchange chamber, a water inlet channel 17, a water outlet channel 18 and a first water outlet channel 19 are disposed on a front surface of the guide plate 16, a second water outlet channel 20 is disposed in a center of a back surface of the guide plate 16, and second water inlets 21 are disposed on two sides of the guide plate respectively, wherein the water inlet channel 17 is communicated with the first water inlet 14, the water outlet channel 18 is communicated with the first water outlet 15, the water inlet channel 17 is communicated with the second water outlet channel 20, and two second water outlets 22 are disposed on the first water outlet channel.

Referring again to fig. 1-13, the working process of the cooling device of the present invention is: the cooling liquid can flow in from the first water inlet 14, and flow into the heat absorbing plate 29 on the heat dissipation copper bottom through the water inlet flow passage 17 and the second water outlet flow passage 20 to exchange heat, the cooling liquid after heat exchange is respectively converged into one of the pipelines on the side wall of the heat exchange cavity by the two second water inlets 21, the first water outlet flow passage 19 and the upper water inlet 13 to enter the impeller cavity 8, and the cooling liquid after impeller pressurization can flow into the lower water flow passage 18 through the lower water inlet 12, the other pipeline on the side wall of the heat exchange cavity and the lower water inlet outlet and flow out from the first water outlet 15.

Referring to fig. 4 and 14, a groove 23 is formed at a middle position of the impeller cavity, the groove 23 is used for storing the coolant, a water stop plate 24 is formed above the groove 23, and a through hole 32 is formed at the center of the water stop plate 24. The water stop plate 24 is shielded above the water feeding port 11, and a vertical baffle 30 is arranged on one side of the water stop plate 24 close to the water feeding port. Referring to fig. 14 to 15, the impeller cover 4 is provided with a center shaft 31 inside, one end of the center shaft 31 is connected to the top inner wall of the impeller cover, and the other end of the center shaft 31 is used to pass through the center of the impeller and is disposed in a through hole 32 of the water stop plate. The diameter of the through hole 32 is larger than that of the central shaft 31, and the water stop sheet 24 can guide the inflow water on the side to the center.

Referring to fig. 4, a flexible film 25 is arranged between the guide plate 16 and a heat absorbing plate 29 on the heat dissipation copper bottom, a first sealing ring 26 is arranged between the impeller cover 4 and the casing 2, a second sealing ring 27 is arranged between the casing 2 and the heat dissipation copper bottom 1, and a sealing threaded ring 28 is arranged at the bottom of the heat dissipation copper bottom 1, so that the sealing performance and reliability of the water cooling head are obviously improved.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. A cooling apparatus for CPU heat exchange, characterized in that the cooling apparatus for CPU heat exchange comprises:

the heat dissipation copper bottom is arranged at the bottom of the cooling device;

the shell is arranged above the heat dissipation copper bottom, a composite cavity is formed inside the shell, the composite cavity comprises an impeller cavity and a heat exchange cavity which are vertically arranged and are separated by a horizontal wall, and the impeller cavity is positioned above the heat exchange cavity;

the impeller is arranged in the impeller cavity, and an impeller cover is arranged above the shell; and

a motor line group provided on the impeller cover;

wherein the heat exchange chamber and the impeller chamber are communicated by at least one pipe provided on a sidewall of the heat exchange chamber, and the sidewall of the heat exchange chamber is separated from the horizontal wall by a step.

2. The cooling apparatus for heat exchange of a CPU radiator as claimed in claim 1, wherein said impeller chamber and said heat exchange chamber are molded as a single structure, said impeller chamber is provided with a water supply port and a water discharge port, wherein said water supply port is communicated with one of said pipes provided on the side wall of said heat exchange chamber, said water discharge port is communicated with the other of said pipes provided on the side wall of said heat exchange chamber, and a water supply port inlet and a water discharge port are respectively provided on the side wall of said heat exchange chamber.

3. The cooling device for heat exchange of the CPU radiator according to claim 2, wherein a first water inlet and a first water outlet are arranged on the outer side surface of the shell, and the first water inlet and the first water outlet are respectively connected with an external water inlet nozzle and an external water outlet nozzle.

4. The cooling device for heat exchange of a CPU heat sink as claimed in claim 3, wherein the cooling device further comprises a flow guiding plate disposed in the heat exchange chamber, the flow guiding plate has a front surface provided with a water inlet channel, a water outlet channel and a first water outlet channel, the flow guiding plate has a back surface provided with a second water outlet channel at the center and two sides provided with second water inlets respectively, wherein the water inlet channel is communicated with the first water inlet, the water outlet channel is communicated with the first water outlet, the water inlet channel is communicated with the second water outlet channel, and the first water outlet channel is provided with two second water outlets.

5. The cooling device for heat exchange of a CPU heat sink as claimed in claim 4, wherein the cooling fluid can flow in from the first water inlet, through the water inlet channel and the second water outlet channel, and flow into the heat absorbing plate on the heat dissipating copper base for heat exchange, the cooling fluid after heat exchange is collected into one of the pipes from the two second water inlets, the first water outlet channel and the water inlet to enter the impeller cavity, and after the impeller is pressurized, the cooling fluid can flow into the water outlet channel through the water outlet, the other pipe and the water outlet, and flow out from the first water outlet.

6. The cooling device for heat exchange of CPU radiator according to claim 2, wherein the impeller cavity is provided with a groove at a middle position thereof, the groove is used for storing the cooling liquid, and a water stop plate is provided in the groove, the center of the water stop plate is provided with a through hole, and the water stop plate is used for guiding the incoming water at the side to the center.

7. The cooling device for CPU heat exchanger as claimed in claim 6, wherein said water stop plate is shielded above said water supply port, and a vertical baffle is provided on a side of said water stop plate close to said water supply port.

8. The cooling device for CPU heat exchanger as claimed in claim 6, wherein the impeller cover is provided with a central shaft inside, one end of the central shaft is connected to the top inner wall of the impeller cover, and the other end of the central shaft is adapted to pass through the center of the impeller and is disposed in the through hole of the water stop plate.

9. The cooling apparatus for CPU heat sink heat exchange as recited in claim 8, wherein said through hole has a diameter larger than a diameter of said central shaft.

10. The cooling device for heat exchange of a CPU radiator as claimed in claim 4, wherein a soft rubber sheet is disposed between the flow guide plate and the heat absorbing plate on the heat dissipating copper bottom, sealing rings are disposed between the impeller cover and the casing and between the casing and the heat dissipating copper bottom, and a sealing thread ring is disposed at the bottom of the heat dissipating copper bottom.