Heat conduction assembly of air-cooled radiator and air-cooled radiator comprising heat conduction assembly

Abstract

The utility model discloses a heat conduction assembly of an air-cooled radiator and the air-cooled radiator comprising the heat conduction assembly. A heat conduction assembly of an air cooling radiator comprises a heat transfer base and a fin assembly. The fin assembly is arranged on the heat transfer base and is in heat transfer connection with the heat transfer base, a heat dissipation cavity is formed in the fin assembly, the fin assembly comprises a plurality of heat dissipation fins which are sequentially arranged at intervals, a gap between every two adjacent heat dissipation fins is a heat dissipation gap, and the heat dissipation gaps communicate with the heat dissipation cavity and the external space of the fin assembly; the fin assembly is further provided with a first fan installation structure, the heat dissipation cavity is provided with an opening, and the first fan installation structure corresponds to the opening in position, so that when the heat conduction assembly is provided with a first fan through the first fan installation structure, the first fan abuts against the fin assembly, and an air outlet of the first fan directly faces the opening. The air-cooled radiator has the beneficial effects that the air volume utilization rate is increased, the radiating efficiency is improved, the energy consumption of the air-cooled radiator is reduced, and the service lives of the air-cooled radiator and a radiating object are prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a heat sink technical field, especially a kind of heat conduction subassembly of air-cooled heat sink and including its air-cooled heat sink. BACKGROUND

[0002] The existing air-cooled heat sink generally uses axial fan or centrifugal fan as heat dissipation fan. Among them, axial fan is often selected as heat dissipation fan due to large air volume. The air-cooled heat sink using axial fan as heat dissipation fan has the arrangement direction of the air inlet and air outlet of the axial fan perpendicular to the arrangement direction of the plurality of heat dissipation fins, and the air outlet directly faces the gap between the heat dissipation fins.

[0003] The air-cooled heat sink described above separates the axial fan from the heat dissipation fins to avoid excessive noise generated by the operation of the axial fan for heat dissipation. However, such arrangement easily causes part of the air volume blown out from the axial fan to flow out from the gap between the axial fan and the heat dissipation fins, which reduces the air volume actually entering the heat dissipation fin assembly for heat dissipation, and is not conducive to improving air volume utilization rate and heat dissipation efficiency. SUMMARY

[0004] The main purpose of the utility model is to provide a kind of heat conduction subassembly of air-cooled heat sink, to solve the technical problem of low air volume utilization rate in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides a kind of heat conduction subassembly of air-cooled heat sink, including heat transfer base and fin assembly;Fin assembly is arranged on heat transfer base and is in heat transfer connection with heat transfer base, and heat dissipation cavity is arranged in fin assembly, and fin assembly includes a plurality of heat dissipation fins arranged in sequence and interval, and the gap between adjacent two heat dissipation fins is referred to as heat dissipation gap, and heat dissipation gap is communicated with heat dissipation cavity and the external space of fin assembly;First fan mounting structure is further arranged on fin assembly, and heat dissipation cavity is provided with opening, and first fan mounting structure corresponds to the position of opening, so that: when heat conduction subassembly is installed with first fan through first fan mounting structure, first fan is abutted on fin assembly and its air outlet directly faces opening.

[0006] The utility model has the beneficial effects that: in the utility model, first fan mounting structure is arranged on fin assembly, so that first fan is abutted on fin assembly when being installed on fin assembly, and its air outlet directly faces heat dissipation cavity, which makes most or even all of the air volume blown out from first fan enter heat dissipation cavity for heat dissipation of heat dissipation fin, and the air volume enters the external space of fin assembly through heat dissipation gap after entering heat dissipation cavity, which improves air volume utilization rate and heat dissipation efficiency, is conducive to reducing the energy consumption of air-cooled heat sink, and prolongs the service life of air-cooled heat sink and its heat dissipation object.

[0007] Preferably, the heat conduction assembly further comprises a heat conduction piece arranged on the heat conduction base, a plurality of heat dissipation fins are arranged in sequence and spaced apart in a direction close to and away from the heat conduction base, the heat dissipation fins are connected with the heat conduction piece, the plurality of heat dissipation fins are fixed with each other and fixed relative to the heat conduction base through the heat conduction piece, the middle part of the heat dissipation fin is provided with a heat dissipation hole, and a plurality of heat dissipation holes are arranged in sequence to form a heat dissipation cavity, and the first fan mounting structure is arranged on the heat dissipation fin farthest from the heat conduction base. By such arrangement, the area of the heat dissipation fin swept by the wind blown by the fan is larger, and the heat dissipation efficiency is further improved.

[0008] Preferably, one end of the heat conduction piece is arranged on the heat conduction base, and the other end penetrates through the plurality of heat dissipation fins and is flush with or protrudes from the side of the fin assembly away from the heat conduction base, which facilitates the full contact of the heat conduction piece with each heat dissipation fin, the heat transfer is more sufficient, and the heat dissipation efficiency is further improved.

[0009] Preferably, the heat conduction piece comprises a heat pipe arranged on the fin assembly, which can further improve the heat dissipation speed and efficiency.

[0010] Preferably, the first fan mounting structure comprises a plurality of first fan mounting holes arranged around the opening.

[0011] Preferably, the heat conduction base is provided with a second fan mounting structure corresponding to the position of the heat dissipation cavity, so that when the second fan is mounted on the heat conduction assembly through the second fan mounting structure, the second fan is located in the heat dissipation cavity, and the heat conduction assembly can be installed with both axial flow fans and centrifugal fans, which is beneficial to expand the application range of the heat conduction assembly and improve the compatibility.

[0012] Preferably, the heat conduction base is provided with a heat source connecting position to ensure that the functional part corresponding to the heat source can work normally for a long time.

[0013] The utility model discloses still disclose a kind of air-cooled radiator, including above-mentioned heat conduction assembly.

[0014] Preferably, the air-cooled radiator further comprises an axial flow fan and a first fan mounting member. The axial flow fan is the first fan. The axial flow fan is provided with a first fan connecting structure matching the first fan mounting structure. The axial flow fan is installed on the fin assembly through the first fan mounting structure, the first fan connecting structure and the first fan mounting member.

[0015] Preferably, the air-cooled radiator further comprises a centrifugal fan and a second fan mounting member. The centrifugal fan is the second fan. The centrifugal fan is provided with a second fan connecting structure matching the second fan mounting structure. The centrifugal fan is installed on the heat conduction base and located in the heat dissipation cavity through the second fan mounting structure, the second fan connecting structure and the second fan mounting member. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without any creative effort.

[0017] Figure 1 The structure diagram of the air-cooled radiator composed of the first fan and the heat conduction assembly in the embodiment of the present application is shown.

[0018] Figure 2 The front view of the heat conduction assembly in the embodiment of the present application is shown.

[0019] Figure 3 The structure diagram of the heat conduction assembly in the embodiment of the present application is shown. Figure 2 The local enlarged view of A in the embodiment of the present application is shown.

[0020] Figure 4 The top view of the heat conduction assembly in the embodiment of the present application is shown.

[0021] Figure 5 The top view of the fin assembly and the heat transfer base when the plurality of heat dissipation fins are arranged in a coil in the embodiment of the present application is shown.

[0022] Figure 6 The top view of the heat dissipation fin in the embodiment of the present application is shown.

[0023] Figure 7 The structure diagram of the heat conduction assembly in the embodiment of the present application is shown.

[0024] Figure 8 The structure diagram of the heat conduction assembly in the embodiment of the present application is shown.

[0025] Figure 9 The top view of the air-cooled radiator composed of the second fan and the heat conduction assembly in the embodiment of the present application is shown.

[0026] In the drawings: 1-heat transfer base, 11-second fan mounting structure, 12-heat source connecting position, 2-fin assembly, 21-heat dissipation fin, 211-first fan mounting structure, 22-heat dissipation gap, 23-heat dissipation cavity, 231-heat dissipation hole, 232-opening, 3-heat conduction piece, 31-heat pipe, 10-first fan, 101-first fan connecting structure, 20-second fan, 201-second fan connecting structure.

[0027] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the drawings. DETAILED DESCRIPTION

[0028] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0029] It should be noted that if the present application embodiments involve directional indications, such as up, down, left, right, front, back, etc., the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture, and if the certain posture changes, the directional indications will also change accordingly.

[0030] In addition, if the present application embodiments involve descriptions of "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features with "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, and when the combination of technical solutions contradicts each other or cannot be realized, it should be considered that the combination of technical solutions does not exist and is not within the scope of protection required by the present application.

[0031] As shown in Figures 1 to 9 A heat conduction assembly of an air-cooled radiator, comprising a heat transfer base 1 and a fin assembly 2; the fin assembly 2 is arranged on the heat transfer base 1 and is in heat transfer connection with the heat transfer base 1, the fin assembly 2 is internally provided with a heat dissipation cavity 23, the fin assembly 2 comprises a plurality of heat dissipation fins 21 arranged in sequence and at intervals, the gap between two adjacent heat dissipation fins 21 is referred to as a heat dissipation gap 22, the heat dissipation gap 22 communicates the heat dissipation cavity 23 and the external space of the fin assembly 2; the fin assembly 2 is further provided with a first fan mounting structure 211, the heat dissipation cavity 23 is provided with an opening 232, the first fan mounting structure 211 corresponds in position to the opening 232, so that when the heat conduction assembly is installed with a first fan 10 through the first fan mounting structure 211, the first fan 10 abuts against the fin assembly 2 and its air outlet is directly opposite to the opening 232.

[0032] In the embodiment, the fin assembly 2 is provided with the first fan mounting structure 211, so that when the first fan 10 is mounted on the fin assembly 2, the first fan 10 abuts against the fin assembly 2, and the air outlet is opposite to the heat dissipation cavity 23, so that most or even all of the air blown out from the first fan 10 enters the heat dissipation cavity 23 for heat dissipation of the heat dissipation fins 21, and after the air enters the heat dissipation cavity 23, the air flows to the external space of the fin assembly 2 through the heat dissipation gap 22, thereby improving the air utilization rate and improving the heat dissipation efficiency, which is conducive to reducing the energy consumption of the air-cooled radiator and prolonging the service life of the air-cooled radiator and the heat dissipation object.

[0033] In addition, the air outlet is opposite to the heat dissipation cavity 23, and the air blown out can flow to the external space of the fin assembly 2 through the heat dissipation gap 22 without being blocked during air outlet, so that the air-cooled radiator using the heat conduction assembly has smaller noise during use, and the adverse effects on the user's hearing are reduced. The heat conduction assembly in the embodiment cooperates with the first fan 10 to improve the air utilization rate with smaller noise, improve the heat dissipation efficiency, reduce the adverse effects on the user, and is conducive to optimizing the user experience.

[0034] In some specific embodiments, referring to Figure 2 and Figure 3 , the heat conduction assembly further comprises a heat conduction piece 3 arranged on the heat conduction base 1, a plurality of heat dissipation fins 21 are arranged in sequence in the direction close to and away from the heat conduction base 1, the heat dissipation fins 21 are connected with the heat conduction piece 3, the plurality of heat dissipation fins 21 are fixed with each other and fixed relative to the heat conduction base 1 through the heat conduction piece 3, the middle part of the heat dissipation fin 21 is provided with a heat dissipation hole 231, a plurality of heat dissipation holes 231 are arranged in sequence to form a heat dissipation cavity 23, and the first fan mounting structure 211 is arranged on the heat dissipation fin 21 farthest from the heat conduction base 1.

[0035] The first fan mounting structure 211 is arranged on the heat dissipation fin 21 farthest from the heat conduction base 1, which is conducive to the heat conduction assembly in the embodiment to be assembled into an air-cooled radiator, and the first fan 10 is arranged on the side of the fin assembly 2 away from the heat conduction base 1. After the first fan 10 blows air into the heat dissipation cavity 23, the air will blow out from the circumferential side of the fin assembly 2 through the heat dissipation gap 22. Such arrangement is conducive to making the area of the heat dissipation fin 21 swept by the air blown out by the fan larger, and further improving the heat dissipation efficiency.

[0036] In some specific embodiments, referring to Figure 5 , the plurality of heat dissipation fins 21 are arranged in a ring, and the heat dissipation cavity 23 is formed on the inner side of the fin assembly 2.

[0037] In some specific embodiments, referring to Figure 2 and Figure 3One end of the heat conducting member 3 is arranged on the heat transfer base 1, and the other end penetrates through the plurality of heat dissipation fins 21 and protrudes from the side of the fin assembly 2 away from the heat transfer base 1.

[0038] As arranged above, the heat conducting member 3 penetrates through each of the heat dissipation fins 21, and completely penetrates through the heat dissipation fin 21 farthest from the heat transfer base 1, which is conducive to making the heat conducting member 3 fully contact each of the heat dissipation fins 21, and heat transfer is more sufficient, further improving the heat dissipation efficiency.

[0039] Further, the heat conducting assembly includes a plurality of heat conducting members 3, and each of the heat conducting members 3 completely penetrates through each of the heat dissipation fins 21, which is conducive to improving the heat transfer speed.

[0040] In some specific embodiments, referring to Figure 2 and Figure 3 , the heat conducting member 3 includes a heat pipe 31, and the heat pipe 31 is arranged on the fin assembly 2.

[0041] The heat pipe 31 has the advantage of high-efficiency heat transfer, and its heat conducting capacity exceeds any known metal. Arranging the heat pipe 31 on each of the heat dissipation fins 21 of the fin assembly 2 can further improve the heat dissipation speed and the heat dissipation efficiency.

[0042] In some other embodiments, the heat conducting member 3 can be a strip-shaped member made of a heat conducting metal material such as copper, aluminum, iron, etc., such as a copper pipe or an aluminum rod, as long as it can transfer heat from the heat transfer base 1 to the heat dissipation fins 21.

[0043] In some specific embodiments, referring to Figure 4 , the first fan mounting structure 211 includes a plurality of first fan mounting holes arranged around the opening 232.

[0044] In the present embodiment, the first fan mounting holes are arranged on the heat dissipation fin 21 farthest from the heat transfer base 1, and the first fan 10 can be mounted on the heat dissipation fin 21 through screws and the first fan mounting holes.

[0045] Specifically, the first fan 10 is an axial fan.

[0046] In some other embodiments, the first fan mounting structure 211 includes a first fan mounting surface arranged around the opening 232, and the first fan 10 can be adhered to the first fan mounting surface.

[0047] In some specific embodiments, referring to Figure 4 , the heat transfer base 1 is provided with a second fan mounting structure 11, and the second fan mounting structure 11 corresponds to the position of the heat dissipation cavity 23, so that when the heat conducting assembly is mounted with the second fan 20 through the second fan mounting structure 11, the second fan 20 is located in the heat dissipation cavity 23.

[0048] Specifically, the heat dissipation cavity 23 is enclosed by the heat transfer base 1 and the hole walls of the plurality of heat dissipation holes 231, and the second fan mounting structure is arranged on the heat transfer base 1 at the bottom of the heat dissipation cavity 23. The second fan 20 is a centrifugal fan. According to the working principle of the centrifugal fan, a position for mounting the centrifugal fan is reserved in the heat dissipation cavity 23, so that the heat conduction assembly of the embodiment can install both the axial flow fan and the centrifugal fan, which is beneficial to expand the application range of the heat conduction assembly and improve the compatibility.

[0049] In some other embodiments, the second fan mounting structure 11 includes a second fan mounting surface arranged on the heat transfer base 1, and the second fan can be directly bonded on the second fan mounting surface.

[0050] In some specific embodiments, referring to Figure 7 , the heat transfer base 1 is provided with a heat source connecting position 12.

[0051] In use, the heat transfer base 1 is connected in heat transfer with the heat source through the heat source connecting position 12, and the heat transfer base 1, the heat conduction piece 3 and the heat dissipation fin 21 quickly conduct the heat of the heat source out, dissipate heat for the heat source, and ensure that the functional part corresponding to the heat source can work normally for a long time.

[0052] The embodiment also discloses a forced air cooling heat sink, which comprises the heat conduction assembly.

[0053] In some specific embodiments, referring to Figure 1 , the forced air cooling heat sink further comprises an axial flow fan and a first fan mounting piece, the axial flow fan is the first fan 10, the axial flow fan is provided with a first fan connecting structure 101 matched with the first fan mounting structure 211, and the axial flow fan is mounted on the fin assembly 2 through the first fan mounting structure 211, the first fan connecting structure 101 and the first fan mounting piece.

[0054] Specifically, the first fan mounting piece is a first screw, the first fan mounting structure 211 includes a plurality of first fan mounting holes, the first fan connecting structure 101 includes a plurality of first fan connecting holes, the first fan mounting holes and the first fan connecting holes are screw holes, the plurality of first fan mounting holes and the plurality of first fan connecting holes are one-to-one corresponding, and the first screw is screwed into the corresponding first fan mounting hole and first fan connecting hole to mount the axial flow fan on the fin assembly 2.

[0055] After the axial flow fan is installed on the fin assembly 2, the air outlet of the axial flow fan is opposite to the opening 232 of the heat dissipation cavity 23, and the axial flow fan abuts against the fin assembly 2, that is, the axial flow fan is close to the fin assembly 2, so that most or even all of the air blown out of the air outlet of the axial flow fan blows into the heat dissipation cavity 23 for heat dissipation of the heat dissipation fins 21, which is beneficial to improve the air volume utilization rate. Moreover, since the air outlet of the axial flow fan is opposite to the opening 232 of the heat dissipation cavity 23, the air blown out of the air outlet of the axial flow fan is not directly blocked when it comes out of the air outlet, so the noise is relatively small, reducing the adverse effect on the user's hearing and optimizing the user experience.

[0056] In some embodiments, with reference to Figure 9 , the air-cooled radiator further comprises a centrifugal fan and a second fan mounting member, the centrifugal fan being the second fan 20, the centrifugal fan being provided with a second fan connecting structure 201 matched with the second fan mounting structure 11, the centrifugal fan being mounted on the heat transfer base 1 and located in the heat dissipation cavity 23 through the second fan mounting structure 11, the second fan connecting structure 201 and the second fan mounting member.

[0057] Specifically, the second fan mounting member is a second screw, the second fan mounting structure 11 comprises a plurality of second fan mounting holes, the second fan connecting structure 201 comprises a plurality of second fan connecting holes, the second fan mounting holes and the second fan connecting holes are screw holes, the plurality of second fan mounting holes and the plurality of second fan connecting holes are one-to-one corresponding, and the second screw is screwed into the corresponding second fan mounting hole and the second fan connecting hole to mount the centrifugal fan on the heat transfer base 1.

[0058] The above only describes the preferred embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation or direct / indirect application in other related technical fields within the inventive concept of the present application is included in the patent protection scope of the present application.

Claims

1. A heat conducting assembly of an air-cooled heat sink, characterized by: The heat transfer base (1) and the fin assembly (2) are provided. The fin assembly (2) is arranged on the heat transfer base (1) and is in heat transfer connection with the heat transfer base (1), and the fin assembly (2) is internally provided with a heat dissipation cavity (23), and the fin assembly (2) comprises a plurality of heat dissipation fins (21) arranged in sequence and at intervals, and the gap between two adjacent heat dissipation fins (21) is referred to as a heat dissipation gap (22), and the heat dissipation gap (22) is in communication with the heat dissipation cavity (23) and the external space of the fin assembly (2). The fin assembly (2) is further provided with a first fan mounting structure (211), and the heat dissipation cavity (23) is provided with an opening (232), and the first fan mounting structure (211) corresponds to the position of the opening (232), so that when the heat transfer assembly is mounted with a first fan (10) through the first fan mounting structure (211), the first fan (10) abuts against the fin assembly (2) and its air outlet is opposite to the opening (232).

2. A thermally conductive assembly for an air-cooled heat sink according to claim 1, wherein: Further comprising a heat conduction member (3) arranged on the heat transfer base (1), and a plurality of heat dissipation fins (21) are arranged in sequence and at intervals along the direction close to and away from the heat transfer base (1), the heat dissipation fins (21) are connected with the heat conduction member (3), and a plurality of heat dissipation fins (21) are fixed with each other and fixed relative to the heat transfer base (1) through the heat conduction member (3), and the middle part of the heat dissipation fin (21) is provided with a heat dissipation hole (231), and a plurality of heat dissipation holes (231) are arranged in sequence to form the heat dissipation cavity (23), and the first fan mounting structure (211) is arranged on the heat dissipation fin (21) farthest from the heat transfer base (1).

3. A thermally conductive assembly for an air-cooled heat sink according to claim 2, wherein: One end of the heat conduction member (3) is arranged on the heat transfer base (1), and the other end penetrates through a plurality of heat dissipation fins (21) and is flush with or protrudes from the side of the fin assembly (2) away from the heat transfer base (1).

4. A thermally conductive assembly for a fan-cooled heat sink according to claim 2 or 3, characterised in that: The heat conduction member (3) comprises a heat pipe (31) penetrating through the fin assembly (2).

5. The thermally-conductive assembly of a convection-cooled heat sink of claim 1, wherein: The first fan mounting structure (211) comprises a plurality of first fan mounting holes arranged around the opening (232).

6. The thermally-conductive assembly of a convection-cooled heat sink of claim 1, wherein: The heat transfer base (1) is provided with a second fan mounting structure (11) corresponding to the position of the heat dissipation cavity (23), so that when the heat transfer assembly is mounted with a second fan (20) through the second fan mounting structure (11), the second fan (20) is located in the heat dissipation cavity (23).

7. The thermally-conductive assembly of a convection-cooled heat sink of claim 1, wherein: The heat transfer base (1) is provided with a heat source connecting position (12).

8. A fan-cooled heat sink, characterized by: The heat transfer assembly comprises the heat transfer assembly according to any one of claims 1 to 7. The heat transfer assembly comprises the heat transfer assembly according to any one of claims 1 to 7.

9. The air-cooled heat sink of claim 8, wherein: Also comprising an axial fan and a first fan mounting member, the axial fan being the first fan (10), the axial fan being provided with a first fan connecting structure (101) matching the first fan mounting structure (211), the axial fan being mounted on the fin assembly (2) through the first fan mounting structure (211), the first fan connecting structure (101) and the first fan mounting member.

10. The air-cooled heat sink of claim 8, wherein: The heat transfer base (1) is provided with a second fan mounting structure (11) corresponding to the position of the heat dissipation cavity (23); Also comprising a centrifugal fan and a second fan mounting member, the centrifugal fan being the second fan (20), the centrifugal fan being provided with a second fan connecting structure (201) matching the second fan mounting structure (11), the centrifugal fan being mounted on the heat transfer base (1) and located in the heat dissipation cavity (23) through the second fan mounting structure (11), the second fan connecting structure (201) and the second fan mounting member.

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