CN220528454U - Radiator and water cooling system - Google Patents

Abstract

The utility model discloses a radiator and a water cooling system for radiating purposes of an electronic device, wherein the radiator comprises an evaporator, a water cooler, at least one condensing pipe and the like, and the condensing pipe obliquely stretches into the water cooler upwards and is immersed in cooling water; the water cooling system comprises the heat exchanger, a water pump and a heat exchanger; through adopting condenser pipe and independent water cooler that the slope set up, make the medium in this evaporating chamber evaporate into the gaseous state from the liquid state, cool off this condenser pipe upper end by the cooling water in this cold water chamber again, make this gaseous state medium condensation be liquid after, fall back to this evaporating chamber again in the slope, so multiple circulation heat dissipation to make the radiating effect better.

Description

Radiator and water cooling system

Technical field

The utility model relates to the technical field of heat dissipation for providing heat dissipation for electronic devices, and in particular to the field of a radiator and a water cooling system.

Background technique

"Phase change heat dissipation" uses a liquid medium that can change phase to absorb heat and evaporate into a gaseous medium at a certain temperature, and then the gaseous medium condenses, liquefies, and releases heat into the liquid medium at other locations, thereby realizing heat transfer. It is a heat dissipation method, so the "phase change heat dissipation device" is generally installed on the heat source, such as the GPU (Graphics Processing Unit) on the computer's graphics card or the CPU (Central Processing Unit) on the motherboard.

The traditional phase change heat dissipation device 90 is provided on the top surface of a heat source 80, as shown in Figure 10. It generally includes an evaporator 91, a condenser 92 and a condensation tube 93, wherein the condensation tube 93 and the The evaporation chamber 911 in the evaporator 91 is connected, and the evaporation chamber 911 is filled with liquid medium a, and a condensation chamber 921 provided in the condenser 92 is filled with cooling water c, and the liquid medium a absorbs the heat of the heat source 80 Finally, it evaporates into a gaseous medium b, and the gaseous medium b rises through the condensation tube 93 into the condensation chamber 921 of the condenser 92 for exothermic condensation.

Since the condensation tube 93 is generally arranged vertically perpendicular to the evaporator 91 and the condenser 92, it is not conducive to the condensation of the gaseous medium b into the liquid medium a and backflow into the evaporation chamber 911 (as shown by the dotted arrow in Figure 10). This further affects the heat dissipation efficiency; at the same time, because the evaporation chamber 911 is directly connected to the condensation chamber 921 in the condenser 92 through the condensation tube 93, such a structure results in a slow condensation speed of the gaseous medium b and poor heat dissipation effect.

Utility model content

In view of the shortcomings of the above-mentioned prior art, the purpose of the present utility model is to provide a radiator and water cooling system, which uses at least one condensation tube and an independent water cooler arranged at an angle, which is conducive to the return of the condensed liquid medium to The evaporation cavity in the evaporator accelerates the condensation speed of the gaseous medium, thereby making the heat dissipation effect better and better.

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

The utility model provides a radiator, which includes: an evaporator, which is provided with an evaporation cavity, and the evaporation cavity is filled with a liquid medium; a water cooler, which is provided with a water cooling cavity, and the water cooling cavity is filled with Water; at least one condenser tube, the lower end of the at least one condenser tube is connected with the evaporation chamber, and the at least one condenser tube is arranged upwardly inclined, and the upper end of the at least one condenser tube extends into the water cooling chamber; through the at least one condenser tube The part of the condensation tube extending into the water-cooling cavity is immersed in the cooling water, and the liquid medium in the evaporation cavity absorbs the heat of the heat source and forms a gaseous medium that rises and enters the at least one condensation tube, causing cooling in the water-cooling cavity. The water causes the gaseous medium in the at least one condensation tube to form the liquid medium and then falls into the evaporation chamber to circulate and cool the heat source again.

Wherein, the upward-inclined angle θ of the at least one condenser tube is 8 to 16 degrees.

Wherein, the upper end of the evaporator is provided with a first opening communicating with the evaporation chamber, and the first opening cover is provided with a first cover plate that is inclined, and the at least one condenser tube is installed on the first cover plate. In the corresponding first installation hole, the length direction of the at least one condensation tube is perpendicular to the plane of the first cover plate.

Wherein, an annular positioning groove is formed on the inner wall of the first opening, and an annular positioning protrusion is formed on the lower surface of the first cover, so that the annular positioning protrusion is embedded in the annular positioning recess during assembly. on the trough.

Wherein, the length of the at least one condensation tube extending into the water-cooling cavity is greater than 1/2 of its total length, and a capillary radiator strip is also installed in the evaporation cavity.

Wherein, the upper surface of the evaporator and the lower surface of the water cooler are connected in a non-contact manner to form a separation area, and the at least one condensation tube is passed through the separation area, and the height h of the separation area is smaller than the at least one condensation tube. 1/2 of the total length.

The utility model also provides a water cooling system using the aforementioned radiator, which includes: a first outlet and a first inlet provided on the outer wall of the water cooler of the radiator; a heat exchanger provided with a second An inlet and a second outlet, wherein the first outlet and the second inlet are connected through a first pipe, and the first inlet and the second outlet are connected through a second pipe; a water pump located in the first pipe or on the second pipe.

There are several partitions spaced in the water-cooling cavity, and the several partitions separate the water-cooling cavity to form a meandering water channel, and there are several condensation tubes, and the upper ends of the several condensation tubes extend into the meandering water channel. , and the entrance and exit ends of the meandering water channel are provided with external pipes.

The upper end of the at least one condensation tube is provided with a laterally protruding condensation block, and the condensation block is located in the water-cooling cavity, and an inner cavity is provided in the condensation block, and the cross-sectional area of the inner cavity is larger than that of the at least one condensation tube. The cross-sectional area of the condensation tube, the inner cavity communicates with the evaporation chamber through the at least one condensation tube.

Among them, several partitions are spaced in the water-cooling cavity of the radiator, and the several partitions separate the water-cooling cavity to form a tortuous water channel, and there are several condensation tubes, and the upper ends of the several condensation tubes extend into In the meandering water channel, one end of the meandering water channel is connected to the first inlet, and the other end of the meandering water channel is connected to the first outlet.

Compared with the existing technology, this utility model has the following effects:

By arranging the at least one condensation tube that tilts upward, the utility model facilitates the liquid medium formed after condensation of the gaseous medium to flow downward along the inner wall of the at least one condensation tube, so that the liquid medium quickly falls to the evaporation chamber and is sucked again. heat and evaporate to improve heat dissipation efficiency;

At the same time, another aspect of the present utility model adopts an independent water cooler. The upper end of the at least one condenser tube extends into the water cooling cavity, and the part of the at least one condenser tube that extends into the water cooling cavity is immersed in the cooling water, so that the water cooling The cooling water in the cavity cools the at least one condensation tube to speed up the condensation speed of the gaseous medium, so that the heat dissipation effect of the present invention is better and better.

Description of drawings

Figure 1 is a schematic diagram of the assembly structure of the radiator according to the first embodiment of the present invention;

Figure 2 is an exploded schematic diagram of the first embodiment of the radiator of the present invention;

Figure 3 is a schematic diagram of the internal structure of the water-cooling chamber of the radiator according to the first embodiment of the present invention;

Figure 4 is a cross-sectional view of the first embodiment of the radiator of the present invention;

Figure 5 is a cross-sectional view of the first embodiment of the radiator of the present invention from another perspective;

Figure 6 is a cross-sectional view of the second embodiment of the radiator of the present invention;

Figure 7 is an exploded schematic diagram of a third embodiment of the radiator of the present invention;

Figure 8 is a cross-sectional view of the third embodiment of the radiator of the present invention;

Figure 9 is a schematic diagram of the assembly structure of the water cooling system according to the embodiment of the present invention.

Figure 10 is a schematic diagram of a traditional phase change heat dissipation device.

Explanation of reference signs: A-water cooling system; 10-radiator; 20-evaporator; 201-wing plate; 21-evaporation chamber; 22-medium; 23-charging tube; 24-first opening; 241-annular positioning Groove; 25-first cover plate; 251-first mounting hole; 252-annular positioning convex portion; 26-interval area; 27-capillary radiator belt; 30-water cooler; 31-water cooling cavity; 32-cooling water ;33-Second opening; 34-Second cover; 341-Second installation hole; 35-First outlet; 36-First inlet; 37-Partition plate; 38-Zigzag water channel; 39-Installation slot; 40- Condensation tube; 41-condensation block; 42-inner cavity; 50-heat exchanger; 51-second inlet; 52-second outlet; 53-first pipe; 54-second pipe; 60-water pump; 80-heating Source; 90-traditional phase change heat dissipation device; 91-evaporator; 911-evaporation chamber; 92-condenser; 921-condensation chamber; 93-condensation tube; a-liquid medium; b-gaseous medium; c-cooling water .

Detailed ways

The utility model provides a radiator 10 and a water cooling system A. As shown in Figures 1 to 8, the radiator 10 includes an evaporator 20, a water cooler 30 and one or several condensation tubes 40 arranged side by side at intervals. The following is an example of several condensation tubes 40 , which are arranged in a flat shape. The evaporator 20 is provided with an evaporation chamber 21 , and the evaporation chamber 21 is equipped with a capillary radiator strip 27 (Fig. 5) and a phase-changeable medium 22, wherein the medium 22 is a refrigerant, and the outer wall of the evaporator 20 is provided with a charging tube 23 connected with the evaporation chamber 21, through which the charging tube 23 can The medium 22 is injected into the evaporation chamber 21 , and the lower ends of the plurality of condensation tubes 40 are connected with the evaporation chamber 21 . A pair of wing plates 201 are laterally disposed on opposite outsides of the evaporator 20 .

In the first embodiment of the present invention, the water cooler 30 is provided with a water cooling cavity 31, as shown in Figure 2, and the water cooling cavity 31 is filled with cooling water 32, and the plurality of condensation tubes 40 are arranged upwardly inclined, and The upper ends of the plurality of condenser tubes 40 extend into the water cooling cavity 31, as shown in Figure 4, and the portions of the plurality of condenser tubes 40 extending into the water cooling cavity 31 are immersed in the cooling water 32, and in After absorbing heat from the heat source, the liquid medium 22 in the evaporation chamber 21 will evaporate into a gaseous medium 22 and rise into the condensation tubes 40 , and the cooling water 32 in the water cooling chamber 31 will condense the condensation tubes 40 . The gaseous medium 22 in the tube 40 is condensed into the liquid medium 22 and then falls into the evaporation chamber 21 to cool the heat source again, and thus performs multiple cooling cycles.

Furthermore, the upward-inclined angle θ of the plurality of condenser tubes 40 is 8 to 16 degrees, as shown in FIG. 4 , and the preferred included angle θ is 10 to 12 degrees, with the optimum included angle θ being 10 degrees. Preferably, by setting the upward tilt angle θ of the plurality of condensation tubes 40 to 8 to 16 degrees, the liquid medium 22 formed after condensation of the gaseous medium 22 will flow downward along the inner walls of the plurality of condensation tubes 40, so that The liquid medium 22 falls relatively easily and smoothly to the evaporation chamber 21 to absorb heat again and evaporate, thereby improving its heat dissipation efficiency.

Further, the upper end of the evaporator 20 is provided with a first opening 24 communicating with the evaporation chamber 21, as shown in Figure 2, and the first opening 24 is covered with a first cover plate 25 that is inclined, and The plurality of condensation tubes 40 are respectively installed in the first installation holes 251 corresponding to the first cover plate 25, and the length direction of the plurality of condensation tubes 40 is perpendicular to the plane of the first cover plate 25; The cover 25 is provided with first mounting holes 251 for installing the plurality of condensation tubes 40. The length direction of the plurality of condensation tubes 40 is perpendicular to the plane of the first cover 25. When assembling, the first installation holes 251 can be installed first. The first cover plate 25 is placed on the platform, and then the plurality of condenser tubes 40 are pressed into their corresponding first mounting holes 251 from top to bottom, and finally the first cover plate 25 is assembled to the evaporator 20 It can be installed on the first opening 24, and its installation is quite convenient.

An annular positioning groove 241 is formed on the inner wall of the first opening 24 , and an annular positioning protrusion 252 is formed on the lower surface of the first cover 25 . During assembly, the annular positioning protrusion 252 moves upward from top to bottom. The annular positioning groove 241 is inserted into the annular positioning groove 241; by providing the annular positioning protrusion 252 and the annular positioning groove 241, the installation accuracy of the first cover plate 25 and the evaporator 20 is improved.

In addition, the length L2 of each condensation tube 40 extending into the water cooling cavity 31 is greater than 1/2 of the total length L1 of each condensation tube 40, as shown in Figure 4, preferably 2/3; by setting each condensation tube 40 to extend into The length L2 of the water-cooling cavity 31 is greater than 1/2 of the total length L1 of each condensation tube 40 , so that more of each condensation tube 40 is immersed in the cooling water 32 to speed up the removal of the gaseous medium 22 in each condensation tube 40 . Cooling and improving heat dissipation efficiency.

Furthermore, the upper surface of the evaporator 20 is connected to the lower surface of the water cooler 30 in a non-contact manner, as shown in FIG. 4 , so that a separation area 26 is formed between the upper surface of the evaporator 20 and the lower surface of the water cooler 30 . , and the plurality of condensation tubes 40 are disposed in the separation area 26, and the height h of the separation area 26 is less than 1/2 of the total length L1 of each condensation tube 40. Preferably, the height h of the separation area 26 is less than 1/3 of the total length L1 of each condensation tube 40; by setting a spacing area 26 between the evaporator 20 and the water cooler 30 to prevent the lower surface of the water cooler 30 from cooling the upper surface of the evaporator 20, thereby To prevent the gaseous medium 22 from entering the condensation tubes 40 normally due to the temperature drop; by setting the height h of the separation area 26 to be less than 1/2 of the total length L1 of each condensation tube 40, the evaporator 20 and the water cooler 30 The structure is more compact and the volume is small.

In addition, a second opening 33 connected to the water cooling cavity 31 is provided at the lower end of the water cooler 30, as shown in Figures 2 to 4, and the inner cover of the second opening 33 is provided with a second cover that is inclined. The upper ends of the plurality of condenser tubes 40 pass through the second mounting holes 341 provided on the second cover plate 34 to extend into the water cooling cavity 31 .

Please refer to FIG. 6 . In the second embodiment of the present invention, the difference from the first embodiment is that the upper end of one or several condensation tubes 40 is provided with a transversely protruding condensation block 41 . In the embodiment, several condensation tubes 40 are cited for illustration, and the condensation block 41 is located in the water cooling cavity 31, and an inner cavity 42 is provided in the condensation block 41, and the inner cavity 42 communicates with the condensation tube 40 through the plurality of condensation tubes 40. The evaporation chamber 21 is connected; specifically, the upper ends of the plurality of condensation tubes 40 are integrally connected to a single condensation block 41; specifically, the cross-sectional area of the inner cavity 42 is larger than the cross-section of the plurality of condensation tubes 40. area; by arranging the condensation block 41 at the upper end of the plurality of condensation tubes 40, the inner cavity 42 of the condensation block 41 is connected to the evaporation chamber 21 through the plurality of condensation tubes 40, and the condensation block 41 is located at In the water cooling cavity 31, the contact area between the condensation tubes 40 and the cooling water 32 is increased, so that the gaseous medium 22 in the inner cavity 42 and the condensation tubes 40 is quickly cooled, thereby improving the cooling effect.

As shown in Figures 1 to 9, the present utility model also relates to a water cooling system A, which includes a heat exchanger 50, a water pump 60, the aforementioned radiator 10 and its components, wherein the heat exchanger 50 is preferably It is assumed that a fan is locked, a first outlet 35 and a first inlet 36 are provided on the outer wall of the water cooler 30, and a second inlet 51 and a second outlet 52 are provided on the heat exchanger 50. The first outlet 35 and the second inlet 51 are connected through a first pipe 53, and the first inlet 36 and the second outlet 52 are connected through a second pipe 54, and the water pump 60 is installed in the first pipe. 53 or the second pipe 54.

Furthermore, a plurality of partitions 37 are spaced in the water-cooling cavity 31, as shown in Figures 3 and 5, and the upper ends of the partitions 37 are integrally connected to the top wall of the water-cooling cavity 31, so that the partitions 37 are spaced apart. The plate 37 separates the water cooling cavity 31 to form a meandering water channel 38, and the upper ends of the plurality of condensation tubes 40 extend into the meandering water channel 38, and connect one end of the meandering water channel 38 with the first inlet 36, and The other end of the meandering water channel 38 is connected to the first outlet 35; by providing the meandering water channel 38, the upper ends of the plurality of condensation tubes 40 extend into the meandering water channel 38, so that the cooling water 32 in the water cooling cavity 31 Full circulation can better take heat away to the heat exchanger 50 .

It should be noted that in the radiator 10 of the third embodiment, in order to avoid the installation position of the condensation block 41, as shown in Figures 7 and 8, the lower end of the partition 37 is integrated with the second cover 34 A mounting groove 39 is formed between the upper end of the partition plate 37 and the top wall of the water-cooling cavity 31 so that the condensation block 41 is placed in the mounting groove 39 .

The working principle of the water cooling system A of the present invention is as follows: the lower surface of the evaporator 20 is attached to the surface of the heat source through the pair of wing plates 201, such as the upper surface of the GPU or CPU in the computer host, then the heat source will The heat is transferred to the evaporator 20, so that the liquid medium 22 in the evaporation chamber 21 absorbs the heat and the gaseous medium 22 formed rises to the upper end of the condensation tube 40, and the cooling water 32 in the water cooling chamber 31 reacts against the condensation tube. The upper end of the condensation tube 40 is cooled, so that the liquid medium 22 formed by condensing the gaseous medium 22 in the condensation tube 40 will fall along the inner wall of the condensation tube 40 into the evaporation chamber 21. At the same time, during the above process, the water pump 60 will work synchronously to make the cooling water 32 circulate in the water cooling cavity 31, the first outlet 35, the first pipe 53, the second inlet 51, the heat exchanger 50, the second outlet 52, and the second pipe. 54. Circulation flows between the water pump 60 and the first inlet 36, thereby taking the heat away from the radiator 10, and conducts and dissipates the heat to the air through the heat exchanger 50.

To sum up, by arranging the condensation tube 40 with an upward slope, the present invention facilitates the liquid medium 22 formed after the gaseous medium 22 is condensed to flow downward along the inner wall of the condensation tube 40, causing the liquid medium 22 to fall. The evaporation chamber 21 reabsorbs heat and evaporates, thereby improving the heat dissipation efficiency; at the same time, an independent water cooler 30 is used, the upper end of the condensation tube 40 extends into the water cooling chamber 31, and the condensation tube 40 extends into the water cooling chamber 31. Part of the cavity 31 is immersed in the cooling water 32, so that the cooling water 32 in the water cooling cavity 31 cools the condensation tube 40 to speed up the condensation speed of the gaseous medium 22 and achieve better heat dissipation effect.

Claims (10)

1. A heat sink, comprising:

the evaporator is internally provided with an evaporation cavity, and the inside of the evaporation cavity is filled with a liquid medium;

the water cooler is internally provided with a water cooling cavity, and water is filled in the water cooling cavity;

the lower end of the at least one condensing pipe is communicated with the evaporation cavity, the at least one condensing pipe is obliquely arranged upwards, and the upper end of the at least one condensing pipe extends into the water cooling cavity;

the part of the cooling water which is used for extending into the water cooling cavity through the at least one condensing pipe is immersed in cooling water, and a gaseous medium formed after the liquid medium in the evaporation cavity absorbs heat of the heat source rises and enters the at least one condensing pipe, so that the cooling water in the water cooling cavity enables the gaseous medium in the at least one condensing pipe to form the liquid medium and fall into the evaporation cavity to circularly cool the heat source again.

2. The heat sink of claim 1, wherein the at least one condenser tube is upwardly inclined at an angle θ of 8 to 16 degrees.

3. The heat sink of claim 2, wherein the evaporator has a first opening at an upper end thereof in communication with the evaporation chamber, the first opening cover has a first cover plate disposed obliquely, the at least one condenser tube is mounted in a corresponding first mounting hole on the first cover plate, and a length direction of the at least one condenser tube is perpendicular to a plane of the first cover plate.

4. The heat sink of claim 3, wherein the inner sidewall of the first opening is formed with an annular positioning groove, and the lower surface of the first cover plate is formed with an annular positioning protrusion, such that the annular positioning protrusion is embedded in the annular positioning groove when the first cover plate is assembled.

5. The heat sink of claim 1 wherein the at least one condenser tube extends into the water cooling chamber for a length greater than 1/2 of its total length and a capillary heat sink strip is also provided in the evaporation chamber.

6. The heat sink as claimed in claim 1, wherein the upper surface of the evaporator is in non-contact connection with the lower surface of the water cooler to form a space region, and the at least one condenser tube is disposed through the space region, and the height h of the space region is less than 1/2 of the total length of the at least one condenser tube.

7. The heat sink as claimed in claim 1, wherein a plurality of partitions are disposed in the water cooling chamber at intervals, the plurality of partitions divide the water cooling chamber into a plurality of tortuous channels, the plurality of condensing tubes are disposed, the upper ends of the plurality of condensing tubes extend into the tortuous channels, and the inlet and outlet ends of the tortuous channels are connected to external pipes.

8. The heat sink of claim 7 wherein the upper end of the at least one condenser tube is provided with a cold clot protruding laterally and the condenser block is located in the water cooling chamber, and an inner cavity is provided in the condenser block, and the cross-sectional area of the inner cavity is larger than the cross-sectional area of the at least one condenser tube, the inner cavity being in communication with the evaporation chamber through the at least one condenser tube.

9. A water cooling system, wherein the radiator as claimed in any one of claims 1 to 8 is used, comprising:

the radiator is provided with a first outlet and a first inlet on the outer side wall of the water cooler;

a heat exchanger provided with a second inlet and a second outlet, wherein the first outlet is communicated with the second inlet through a first pipeline, and the first inlet is communicated with the second outlet through a second pipeline;

and the water pump is arranged on the first pipeline or the second pipeline.

10. The water cooling system of claim 9, wherein a plurality of baffles are spaced apart in the water cooling chamber of the radiator, the plurality of baffles divide the water cooling chamber into a plurality of tortuous channels, the plurality of condensing tubes are arranged, the upper ends of the plurality of condensing tubes extend into the tortuous channels, one end of the tortuous channels is communicated with the first inlet, and the other end of the tortuous channels is communicated with the first outlet.