TWM613344U - Water block with varied dense fins - Google Patents

Abstract

This creation provides a water cooling head with sparse and dense fins, including a main body, a first fin group and a second fin group, wherein the inside of the main body forms a chamber, and the main body has a first plate portion And a second plate, the main body forms an inlet and an outlet, according to which cooling water passes through the chamber, the first fin group and the second fin group are respectively arranged in the chamber, and the first fin group A fin group and the second fin group are respectively connected to the first plate portion, the first fin group is mainly composed of a plurality of first fins arranged at intervals, and each of the first fins separates the chamber to form A plurality of first runners, the second fin group is mainly composed of a plurality of second fins arranged at intervals, each of the second fins separates the chamber to form a plurality of second runners, this creation can improve the overall heat dissipation efficiency.

Description

Water block with dense fins

This creation relates to a component of a water-cooled heat sink, especially to the revealer of an innovative structure of a water-cooled head with dense fins.

Various devices that easily generate a large amount of heat energy, including electronic devices, can use water-cooled heat sinks to cool the electronic devices. The water-cooled head is a component of the water-cooled heat sink. The conventional water-cooled head includes a housing, An input pipe and an output pipe, wherein the housing has a bottom plate and a top plate, the bottom plate and the top plate are opposed to each other, an accommodating space is formed inside the housing, and the input pipe and the output pipe are respectively connected to the accommodating space , According to the cooling water flowing through the accommodating space, a first fin group and a second fin group are arranged in the accommodating space up and down, and the first fin group is arranged by a plurality of first fins at intervals The second fin group is composed of a plurality of second fins arranged at intervals, each of the first fins is connected to the bottom plate, each of the second fins is connected to the top plate, and the first fin The thickness of is greater than the thickness of the second fin, and the arrangement density of each of the first fins is smaller than the arrangement density of each of the second fins.

When the conventional water-cooling head is arranged on a heat source, the bottom plate abuts against the heat source, heat energy is transferred to the first fin set through the bottom plate, and the first fin set is further used to transfer heat energy to the second fin set , The cooling water enters the accommodating space through the input pipe, the cooling water contacts the first fin group and the second fin group to form heat exchange, the cooling water absorbs heat energy and then leaves the accommodating space through the output pipe The cooling water leaving the accommodating space can use other heat dissipation components (for example, cooling fans) of the water-cooled heat dissipation device to release heat energy to the outside.

However, this type of structure has been found in actual use experience to still have the following problems: the water block uses the bottom plate to absorb the heat energy of the heat source, and the first fin group and the second fin group are opposite each other. And the first fin group is connected to the bottom plate, the second fin group is connected to the top plate, the heat absorbed by the bottom plate must be indirectly transferred to the second fin group through the first fin group, and the When heat energy passes through the first fin group, the cooling water and the first fin group form heat exchange, so that the heat energy transferred to the second fin group is reduced, and the heat dissipation effect of the second fin group is low , The overall heat dissipation efficiency of the water block is low.

Therefore, how to develop a more ideal and practical innovative structure in response to the problems of the above-mentioned conventional water-cooled heads is what users expect, and it is also the goal and direction for the relevant industry to work hard to develop breakthroughs; in view of this The creator has been engaged in the manufacturing, development and design of related products for many years, and after detailed design and careful evaluation for the above goals, he finally has a practical creation.

The main purpose of this creation is to provide a water block with sparse and dense fins. The technical problem to be solved is how to develop a new type of water block with dense and sparse fins and more ideal practicality. Make innovations and breakthroughs as the goal.

Based on the foregoing objective, the present invention provides a water block with sparse and dense fins, which includes:

A main body forming a chamber inside the main body, the main body having a first plate portion and a second plate portion, the first plate portion and the second plate portion are opposite to each other, and the containing chamber is located in the first plate portion Between the main body and the second plate portion, the main body forms an inlet and an outlet. The inlet and the outlet respectively communicate with the chamber, so that the cooling water enters the chamber through the inlet and passes through the outlet. The waterway leaves the chamber;

A first fin group, the first fin group is disposed in the chamber, the first fin group is mainly composed of a plurality of first fins arranged at intervals, and the first fin group and the first plate portion Are connected to each other to absorb and guide the thermal energy of the first plate portion, and each of the first fins separates the chamber to form a plurality of first flow channels; and

A second fin group, the second fin group is disposed in the chamber, the second fin group is mainly composed of a plurality of second fins arranged at intervals, and the second fin group and the first plate portion Are connected to each other to absorb and guide the thermal energy of the first plate portion, and each of the second fins separates the chamber to form a plurality of second flow channels;

The first fin group is adjacent to the water inlet, the second fin group is located between the first fin group and the water outlet, and the chamber is located between the first fin group and the second fin group A communication zone is formed between each of the first flow passages and each of the second flow passages, so that the cooling water enters the chamber through the inlet passage, and sequentially passes through each of the first flow passages and the communication zone. , Each of the second flow channel and the outlet channel leave the chamber;

The thickness of the first fin is greater than the thickness of the second fin, and the total surface area of each of the first fins is smaller than the total surface area of each of the second fins.

With this innovative structure and technical features, compared with the previous technology, this creation can improve the overall heat dissipation efficiency and achieve practical progress.

The drawings illustrate the preferred embodiments of the water cooling head with dense fins in this creation, but these embodiments are for illustrative purposes only, and are not limited by this structure in the patent application.

As shown in FIGS. 1-9, the preferred embodiment of the present creation includes a main body 10, a first fin group 20, and a second fin group 30, wherein a chamber 40 is formed inside the main body 10, The main body 10 has a first plate portion 12 and a second plate portion 14. The first plate portion 12 and the second plate portion 14 are opposite to each other, and the chamber 40 is located between the first plate portion 12 and the second plate portion. Between the plate portions 14, the first plate portion 12 is used to abut a heat source 92, thereby absorbing and conducting the heat energy of the heat source 92. The heat source 92 can be a processor, arithmetic unit, or other heat-generating equipment or a uniform temperature. The above-mentioned specific examples of the heat source 92 cannot be used as a limitation for explaining the purpose of this creation. The main body 10 forms an inlet channel 16 and an outlet channel 18, and the inlet channel 16 and the outlet channel 18 respectively communicate with the chamber 40. According to this, the cooling water 94 enters the chamber 40 through the inlet channel 16 and leaves the chamber 40 through the outlet channel 18.

The first fin group 20 and the second fin group 30 are respectively disposed in the chamber 40, and the first fin group 20 and the second fin group 30 are respectively connected to the first plate portion 12, according to The first fin group 20 and the second fin group 30 are made to absorb and guide the heat energy of the first plate portion 12 respectively. The first fin group 20 is mainly composed of a plurality of first fins 22 arranged at intervals, And each of the first fins 22 is vertically arranged between the first plate portion 12 and the second plate portion 14, each of the first fins 22 separates the chamber 40 to form a plurality of first flow channels 42, the The second fin group 30 is mainly composed of a plurality of second fins 32 arranged at intervals, and each of the second fins 32 is arranged vertically between the first plate portion 12 and the second plate portion 14, and each The second fin 32 divides the chamber 40 to form a plurality of second flow passages 44.

The first fin group 20 is adjacent to the inlet channel 16, the second fin group 30 is located between the first fin group 20 and the outlet channel 18, and the chamber 40 is located between the first fin group 20 and the A communication area 46 is formed between the second fin group 30, and the communication area 46 communicates each of the first flow passages 42 and each of the second flow passages 44, so that the cooling water 94 enters the chamber 40 through the water inlet 16 , And leave the chamber 40 through each of the first flow passage 42, the communication area 46, each of the second flow passage 44 and the outlet passage 18 in sequence.

The thickness t1 of the first fin 22 is greater than the thickness t2 of the second fin 32, and the total surface area of each of the first fins 22 is smaller than the total surface area of each of the second fins 32.

Based on the above-mentioned structural composition and technical features, the use and operation of the preferred embodiment are described as follows: As shown in FIGS. 7-9, the first plate portion 12 abuts the heat source 92, and the heat energy is generated by the heat source 92. Is transferred to the first plate portion 12, the first plate portion 12 further transfers the heat energy to the first fin group 20 and the second fin group 30, and the cooling water 94 flows through each of the first runners in sequence 42 and each of the second flow passages 44, each of the first fins 22 and each of the second fins 32 respectively form a heat exchange phenomenon with the cooling water 94, the cooling water 94 is heated, and the cooling water 94 after the temperature rises passes through The outlet channel 18 leaves the chamber 40, the first fin group 20 and the second fin group 30 can continuously absorb the heat energy transferred from the heat source 92 through the first plate portion 12, and The cooling water 94 transfers the heat energy. Depending on the posture of the main body 10 in the three-dimensional space, when the cooling water 94 passes through the chamber 40, the cooling water 94 can contact the first plate portion 12 without contacting the first fin Part of the group 20 and the second fin group 30, at this time, the cooling water 94 also has to form heat exchange with the first plate portion 12, so as to absorb the heat source 92 transferred from the first plate portion 12 The thermal energy.

In a preferred embodiment, the first fin group 20 and the second fin group 30 are respectively connected to the first plate portion 12, so that the thermal energy passes through the first plate portion 12 to the first fin group 20, respectively. And the second fin set 30 is transferred. Compared with the prior art, the heat energy is transferred from the heat source 92 to the second fin set 30. The intermediate medium is reduced, and the second fin set 30 can fully play the role of transferring heat energy. Function to improve the overall heat dissipation efficiency.

When the cooling water 94 passes through the first fin group 20, the cooling water 94 heats up with the first fin group 20, and when the cooling water 94 subsequently passes through the second fin group 30, due to each of the first fin groups 30 The total surface area of the two fins 32 is greater than the total surface area of each of the first fins 22, so that the heat exchange effect between each of the second fins 32 and the cooling water 94 is maintained, and the temperature of the cooling water 94 is reduced. It can also improve the overall heat dissipation efficiency.

Along the flow direction of the cooling water 94 through the chamber 40, the first fin group 20 is located upstream relative to the second fin group 30. In conjunction with the formation of the communication area 46, the cooling water 94 passes Each of the first flow passages 42 merges into the communication area 46, and then splits from the communication area 46 into each of the second flow passages 44, and the cooling water 94 respectively passing through each of the first flow passages 42 is mixed in the communication area 46 to prevent Part of the cooling water 94 forms a relatively high temperature state and enters each of the second flow passages 44, resulting in a phenomenon of reduced heat exchange efficiency. The formation of the communication area 46 can also make the cooling water 94 evenly distributed into each of the second flows. The passage 44 improves the smoothness of the flow of the cooling water 94 and prevents part of the second flow passage 44 from forming a local high pressure or a local low pressure.

The cooling water 94 is not limited to only water, and the cooling water 94 may be water, a liquid coolant with good fluidity, or a mixture of coolant and water.

The side of the first plate portion 12 facing the chamber 40 is a first surface 122. The first fin set 20 and the second fin set 30 are in close contact with the first surface 122, respectively, and the first plate portion 12 There is a heat absorption side 124, the heat absorption side 124 and the first surface 122 are opposed to each other along the thickness direction of the first plate portion 12, so that the first plate portion 12 contacts the heat source 92 through the heat absorption side 124 and faces the The first fin group 20 and the second fin group 30 transfer the heat energy of the heat source 92.

Define the total volume of each first flow channel 42 as ΣV1, the total volume of each second flow channel 44 is ΣV2, and ΣV1 approaches ΣV2, so that the cooling water 94 smoothly passes through the first fin set 20 and the second fin set 30. Further, in a preferred embodiment, 0.9･ΣV1<ΣV2<1.1･ΣV1; ΣV1 approaches ΣV2, so that the cooling water 94 can flow through the first fin set The flow rate of 20 is close to the flow rate of the cooling water 94 passing through the second fin set 30, and the relative friction between the cooling water 94 and each of the first fins 22 and each of the second fins 32 is close to the same , To improve the smoothness of the flow of the cooling water 94.

The first fin set 20 further includes a first base 24, the first base 24 is in close contact with the first surface 122, each of the first fins 22 is respectively erected on the first base 24, and the second fins The set 30 further includes a second base plate 34, the second base plate 34 is in close contact with the first surface 122, and each of the second fins 32 is respectively erected on the second base plate 34; the first base plate 24 and the second base plate 34 are respectively in close contact with the first surface 122, which can improve the reliability of the thermal energy being transferred to the first base 24 and the second base 34 through the first plate portion 12, respectively, and the first fins 22 are respectively erected On the first base plate 24, the convenience of disposing the first fin group 20 can be improved. By each of the second fins 32 standing on the second base plate 34, the disposition of the second fin group 30 can be improved. Convenience.

The thickness direction of each of the first fins 22 and each of the second fins 32 is orthogonal to the flow direction of the cooling water 94, defining the width direction of the chamber 40 and each of the first fins 22 and each of the The thickness directions of the second fins 32 are parallel, each of the first fins 22 is arranged along the width direction of the chamber 40, and each of the second fins 32 is arranged along the width direction of the chamber 40, As shown in FIGS. 3 and 4, since the thickness t1 of the first fin 22 is greater than the thickness t2 of the second fin 32, the width W1 of each of the first flow passages 42 is greater than the width of each of the second flow passages 44, respectively. W2, the number of the first fins 22 is less than the number of the second fins 32; the width direction of the chamber 40 is directed to the upper or lower direction of FIGS. 3 and 4.

Furthermore, the second plate portion 14 has a heat-radiating side 142, a side of the second plate portion 14 facing the chamber 40 is a second surface 144, and the heat-radiating side 142 and the second surface 144 are along the first surface 144. The thickness directions of the two plate portions 14 are opposite, and each of the first fins 22 and each of the second fins 32 respectively abuts against the second surface 144, so that each of the first fins 22 and each of the second fins 32 Each of the first fins 22 and each of the second fins 32 can also choose to be connected to the second surface 144 respectively, and each of the first fins 22 and each of the second fins 32 can also be connected to the second surface 144, respectively. The means for connecting a fin 22 and each of the second fins 32 to the second surface 144 may be welding or bonding or other methods that enable each of the first fin 22 and the second fin 32 to be connected to the second plate respectively. Section 14 combined means.

Each of the first fins 22 and each of the second fins 32 selectively abuts or connects to the second surface 144, and the thermal energy can be transferred to the first fins 22 and each of the second fins 32 to the second surface 144. The second plate part 14, the heat energy is released through the heat release side 142 to further improve the heat dissipation efficiency. As shown in FIG. 9, the heat release side 142 may be provided with a radiator 96 as needed. The radiator 96 can be a uniform temperature plate or a cooling plate. For chips or other heat dissipation devices, another water cooling head as exemplified in the preferred embodiment can also be optionally provided on the heat-radiating side 142.

Each of the first fins 22 and each of the second fins 32 can also be selected to be close to the second surface 144 without contacting or not being connected, thereby constituting another embodiment not shown in the drawing. An embodiment is based on a variation of the preferred embodiment.

The main body 10 has a first pipe 17 and a second pipe 19 as needed, wherein the water inlet 16 extends from the first pipe 17, and the water outlet 18 extends from the second pipe 19. Accordingly, two connecting pipes 98 The first pipe 17 and the second pipe 19 can be connected respectively, so that the cooling water 94 is drained into the water inlet 16 by one of the connecting pipes 98, and the other connecting pipe 98 is used to draw out the cooling water that has absorbed the heat energy. 94.

10: main body 12: The first board 122: first surface 124: Endothermic side 14: The second board 142: Exothermic side 144: second surface 16: into the waterway 17: The first tube 18: Outlet 19: second tube 20: The first fin group 22: The first fin 24: The first base plate 30: The second fin group 32: second fin 34: The second base plate 40: Room 42: first runner 44: second runner 46: Connected area 92: heat source 94: cooling water 96: radiator 98: Takeover t1: thickness t2: thickness W1: width W2: width

Figure 1 is a perspective view of a preferred embodiment of this creation. Figure 2 is a cross-sectional view of a preferred embodiment of this creation. Fig. 3 is a cross-sectional view taken along line 3-3 of Fig. 2. Fig. 4 is a partial enlarged view of Fig. 3. Fig. 5 is a three-dimensional view of the first fin set of the preferred embodiment of this creation. Fig. 6 is a perspective view of the second fin set of the preferred embodiment of the present creation. Fig. 7 is a schematic cross-sectional view of a use state of the preferred embodiment of the present creation. Fig. 8 is a schematic cross-sectional view of another use state of the preferred embodiment of the present creation. Fig. 9 is a schematic cross-sectional view of another use state of the preferred embodiment of the present creation.

10: main body

12: The first board

122: first surface

124: Endothermic side

14: The second board

142: Exothermic side

144: second surface

16: into the waterway

17: The first tube

18: Outlet

19: second tube

20: The first fin group

22: The first fin

24: The first base plate

30: The second fin group

32: second fin

34: The second base plate

40: Room

46: Connected area

3-3: The 3-3 section is shown in Figure 3

Claims (10)

A water cooling head with sparse and dense fins, including: A main body forming a chamber inside the main body, the main body having a first plate portion and a second plate portion, the first plate portion and the second plate portion are opposite to each other, and the containing chamber is located in the first plate portion Between the main body and the second plate portion, the main body forms an inlet and an outlet. The inlet and the outlet respectively communicate with the chamber, so that the cooling water enters the chamber through the inlet and passes through the outlet. The waterway leaves the chamber; A first fin group, the first fin group is disposed in the chamber, the first fin group is mainly composed of a plurality of first fins arranged at intervals, and the first fin group and the first plate portion Are connected to each other to absorb and guide the thermal energy of the first plate portion, and each of the first fins separates the chamber to form a plurality of first flow channels; and A second fin group, the second fin group is disposed in the chamber, the second fin group is mainly composed of a plurality of second fins arranged at intervals, and the second fin group and the first plate portion Are connected to each other to absorb and guide the thermal energy of the first plate portion, and each of the second fins separates the chamber to form a plurality of second flow channels; The first fin group is adjacent to the water inlet, the second fin group is located between the first fin group and the water outlet, and the chamber is located between the first fin group and the second fin group A communication zone is formed between each of the first flow passages and each of the second flow passages, so that the cooling water enters the chamber through the inlet passage, and sequentially passes through each of the first flow passages and the communication zone. , Each of the second flow channel and the outlet channel leave the chamber; The thickness of the first fin is greater than the thickness of the second fin, and the total surface area of each of the first fins is smaller than the total surface area of each of the second fins. The water cooling head with sparse and dense fins according to claim 1, wherein the side of the first plate portion facing the chamber is a first surface, and the first fin group and the second fin group are respectively connected to the The first surface is in close contact, the first plate portion has a heat-absorbing side, and the heat-absorbing side and the first surface face each other along the thickness direction of the first plate portion, so that the first plate portion contacts a heat source through the heat-absorbing side, And transfer the heat energy of the heat source to the first fin group and the second fin group. The water block with sparse and dense fins as described in claim 1, wherein the total volume of each first flow channel is defined as ΣV1, the total volume of each second flow channel is ΣV2, and ΣV1 approaches or equals ΣV2, according to which the cooling water smoothly passes through the first fin group and the second fin group. The water block with dense fins as described in claim 3, where 0.9･ΣV1＜ΣV2＜1.1･ΣV1. The water-cooling head with sparse and dense fins according to claim 2, wherein the first fin set further includes a first base plate, the first base plate is in close contact with the first surface, and each first fin is separately erected On the first base plate. The water-cooling head with sparse and dense fins according to claim 2, wherein the second fin set further includes a second base plate, the second base plate is in close contact with the first surface, and each second fin is separately erected On the second base plate. The water cooling head with dense fins according to any one of claims 1 to 6, wherein the width of each of the first flow channels is larger than the width of each of the second flow channels, and the number of the first fins is less than The number of the second fin. The water cooling head with dense fins according to claim 7, wherein the second plate portion has a heat release side, the side of the second plate portion facing the chamber is a second surface, the heat release side and the first surface The two surfaces face each other along the thickness direction of the second plate portion, and each of the first fins and each of the second fins respectively abuts against the second surface, so that each of the first fins and each of the second fins The heat energy is respectively transferred to the second plate portion, and the heat energy is released to the outside through the heat release side. The water cooling head with dense fins according to claim 7, wherein the second plate portion has a heat release side, the side of the second plate portion facing the chamber is a second surface, the heat release side and the first surface The two surfaces face each other along the thickness direction of the second plate portion, and each of the first fins and each of the second fins are respectively connected to the second surface, so that each of the first fins and each of the second fins are respectively The heat energy is transferred to the second plate portion, and the heat energy is released to the outside through the heat release side. The water cooling head with sparse fins according to claim 1, wherein the main body has a first tube and a second tube, the inlet channel extends from the first tube, and the outlet channel extends from the second tube.

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