CN111124091B

CN111124091B - CPU radiator

Info

Publication number: CN111124091B
Application number: CN202010101116.XA
Authority: CN
Inventors: 冷元媛
Original assignee: Zhenjiang Yuanpu Electronic Technology Co ltd
Current assignee: Zhenjiang Yuanpu Electronic Technology Co ltd
Priority date: 2020-02-19
Filing date: 2020-02-19
Publication date: 2022-03-18
Anticipated expiration: 2040-02-19
Also published as: CN111124091A

Abstract

The invention relates to a CPU radiator, which comprises a radiating fin and a radiating fan, wherein the radiating fin comprises a plurality of radiating bodies, the end parts of arc ribs of the radiating bodies are connected in an inserting and matching way to form a ring shape, bottom sleeves are arranged inside the arc ribs, radiating fins of the radiating bodies are arc-shaped, two sides of the radiating fins are respectively provided with a first hook-shaped supporting sheet and a second hook-shaped supporting sheet which are arranged in a staggered way, the outer wall of the first supporting sheet is provided with a plurality of first fins which are arranged at intervals, the radiating fins positioned at one side of the second supporting sheet are provided with a plurality of second fins which are arranged in a staggered way with the first fins, the top of the radiating body is provided with a first groove which is positioned at the arc ribs and the second supporting sheets and is internally provided with the radiating fan, the bottom of the side of the radiating bodies is provided with a ring groove, the ring groove is provided with an installation support which is connected with the radiating bodies, so that strong cooling air passes through the first fins and the second fins which are staggered way on the first supporting sheets and the radiating fins, and the second supporting sheets between the adjacent radiating fins are baffled to increase the air resistance, the noise reduction is ensured, the heat exchange efficiency is improved, the whole size is compact, and the limitation of the applicable space is reduced.

Description

CPU radiator

Technical Field

The invention relates to a CPU radiator, and belongs to the technical field of electronic radiators.

Background

The CPU is in operation to generate high heat to cause the CPU to be halted and even burnt, and a radiator is required to be additionally arranged for cooling. The CPU radiator includes the air-cooled type according to the heat dissipation mode, heat pipe type and water-cooled type, wherein the air-cooled radiator is because of its convenient manufacture, there is not the pollution risk of revealing and is used widely, the air-cooled CPU radiator generally includes a fin and fin top or inside radiator fan, take away the heat with the rotatory compulsory cold wind that produces of fan after heat transfer through the fin contact, however current fin generally adopts square or cylindricality overall structure, need whole change after the deformation damages, the overall dimension is great, lead to the cost higher, simultaneously the radiating fin single structure, cold wind is shorter with the contact time of radiating fin when circulating in the radiating air duct, heat exchange efficiency is not high, lead to only can improving the efficiency through increasing the fan size, and increased manufacturing cost and installation space restriction, treat to improve urgently.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a CPU radiator, which causes strong cooling air to flow back through first fins and second fins which are staggered on first fins and radiating fins, and the second fins between adjacent radiating fins flow back to increase the wind resistance, ensure noise reduction, improve the heat exchange efficiency, compact the whole size and reduce the limitation of applicable space.

The invention is realized by the following technical scheme:

a CPU radiator comprises a radiating fin and a radiating fan, wherein the radiating fin comprises a plurality of radiators, the radiators comprise arc-shaped ribs and a plurality of radiating fins on the arc-shaped ribs, the end parts of the arc-shaped ribs of the radiators are connected in an inserting and matching mode to form an annular shape, a bottom sleeve is arranged inside the arc-shaped ribs of the radiators, a wire hole communicated with the bottom sleeve is formed in the arc-shaped rib of at least one radiator, the radiating fins are arc-shaped, a first support piece and a second support piece are arranged on two sides of each radiating fin respectively, the first support piece and the second support piece are arranged in a staggered mode and are of hook-shaped structures, and a plurality of first fins arranged at intervals are arranged on the outer wall of the first support piece;

a plurality of second fins which are staggered with the first fins are arranged on the radiating fins on one side of the second supporting piece, first grooves which are arranged at the arc-shaped ribs and the second supporting piece are arranged at the tops of the radiating bodies, the first grooves of the plurality of radiating bodies form a cylindrical structure, a radiating fan connected with the bottom sleeve is arranged in the first grooves, annular grooves are formed in the side bottoms of the plurality of radiating bodies, and mounting supports connected with the radiating bodies are arranged on the annular grooves;

second grooves are formed in the radiating fins and the first support pieces of the plurality of radiating bodies, circular rings matched in shape are arranged in the second grooves of the plurality of radiating bodies, and first arc-shaped plates which are connected and located at the bottom of the radiating fan are arranged at the top end parts of the second support pieces of the plurality of radiating fins of each radiating body;

the annular inner wall comprises a vertical wall located on the second support piece and the heat dissipation rib pieces, an arc-shaped wall located on the second support piece, the first support piece and the heat dissipation rib pieces, and a horizontal wall located on the first support piece and the heat dissipation rib pieces, and a second arc-shaped plate connected with the second support piece and the heat dissipation rib pieces and located on the annular vertical wall is arranged on the second support piece and the heat dissipation rib pieces of each heat dissipation body.

The invention has the beneficial effects that:

(1) the split heat sinks are spliced into an integral heat sink through insertion fit, and the integral heat sink is fixed with the heat sink and the CPU case through the mounting bracket, so that the replacement cost is reduced;

(2) when the cooling fan generates strong cooling wind, a plurality of arc-shaped cooling fins with first support fins and second support fins fully utilize space and have larger cooling surface area, a cooling wind channel formed between the adjacent cooling fins is baffled by the first support fins and the second fins staggered on the cooling fins, and the second support fins between the adjacent cooling fins are baffled to increase wind resistance and improve the effective contact and heat exchange time of cold wind and cooling fins, so that the heat exchange efficiency is improved, the overall size is compact, and the limitation of applicable space is reduced;

(3) through setting up ring, first arc and second arc, avoid the fin, produce under radiator fan's forced cold wind effect and rock, play and improve stability and fall the effect of making an uproar.

Drawings

Fig. 1 is a top perspective view of the present invention.

Fig. 2 is a front view of the present invention.

FIG. 3 is a top view of the present invention.

Fig. 4 is a bottom perspective view of the present invention.

Fig. 5 is a bottom view of the present invention.

The labels in the figure are: the heat radiation device comprises a heat radiation sheet 1, a heat radiation fan 2, a heat radiation body 3, an arc rib 31, a heat radiation fin 32, a plug column 4, a C-shaped plug board 5, a positioning block 6, a positioning groove 7, a bottom sleeve 8, a wire hole 9, a first fin 10, a second fin 11, a first fin 12, a second fin 13, a first groove 14, an annular groove 15, a mounting support 16, a second groove 17, a circular ring 18, a first arc-shaped plate 19, a vertical wall 151, an arc-shaped wall 152, a horizontal wall 153, a positioning column 20, a positioning plate 21, a positioning hole 22, a screw 23, a winding frame 24, a limiting plate 25, a connecting hole plate 26 and a second arc-shaped plate 27.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

A CPU radiator comprises a radiating fin 1 and a radiating fan 2, wherein the radiating fin 1 comprises a plurality of radiating bodies 3, each radiating body 3 comprises an arc rib 31 and a plurality of radiating fins 32 on the arc rib 31, the end parts of the arc ribs 31 of the plurality of radiating bodies 3 are connected in an inserting and matching manner to form an annular shape, one end of each arc rib 31 is provided with an inserting column 4, the other end of each arc rib 31 is provided with a C-shaped inserting plate 5 matched with the outer wall of the inserting column 4 in shape, a bottom sleeve 8 is arranged inside each arc rib 31 of the plurality of radiating bodies 3, the arc rib 31 of at least one radiating body 3 is provided with a wire hole 9 communicated with the bottom sleeve 8, the inner wall of each arc rib 31 is provided with a plurality of positioning blocks 6, and the outer wall of the bottom sleeve 8 is provided with positioning grooves 7 matched with the positioning blocks 6 in an inserting and matching manner;

the radiating fins 32 are arc-shaped, a first support piece 10 and a second support piece 11 are respectively arranged on two sides of each radiating fin 32, the first support piece 10 and the second support piece 11 are arranged in a staggered mode and are of hook-shaped structures, and a plurality of first fins 12 arranged at intervals are arranged on the outer wall of each first support piece 10;

a plurality of second fins 13 which are staggered with the first fins 12 are arranged on the heat dissipation fin 32 positioned on one side of the second supporting piece 11, the top of the heat dissipation body 3 is provided with first grooves 14 positioned at the arc-shaped ribs 31 and the second supporting piece 11, the first grooves 14 of the heat dissipation bodies 3 form a cylindrical structure, a heat dissipation fan 2 connected with the bottom sleeve 8 is arranged in the cylindrical structure, annular grooves 15 are arranged at the bottoms of the side of the heat dissipation bodies 3, and mounting brackets 16 connected with the heat dissipation bodies 3 are arranged on the annular grooves 15;

second grooves 17 are formed in the heat dissipation fins 32 and the first support pieces 10 of the plurality of heat dissipation bodies 3, circular rings 18 in matched shapes are arranged in the second grooves 17 of the plurality of heat dissipation bodies 3, and first arc-shaped plates 19 which are connected and located at the bottom of the heat dissipation fan 2 are arranged at the top end parts of the second support pieces 11 of the plurality of heat dissipation fins 32 of each heat dissipation body 3;

the inner wall of the ring groove 15 comprises a vertical wall 151 positioned on the second supporting piece 11 and the heat dissipation fins 32, an arc wall 152 positioned on the second supporting piece 11, the first supporting piece 10 and the heat dissipation fins 32, and a horizontal wall 153 positioned on the first supporting piece 10 and the heat dissipation fins 32, and the second supporting piece 11 and the heat dissipation fins 32 of each heat radiator 3 are provided with second arc plates 27 connected with each other and positioned on the vertical wall 151 of the ring groove 15;

the mounting bracket 16 top is equipped with a plurality of reference columns 20, be equipped with on the heat dissipation fin 32 with reference column 20 connect the cooperation and be the locating plate 21 of C shape structure, be equipped with two at least locating holes 22 on a plurality of heat dissipation fin 32, the mounting bracket 16 bottom be equipped with pass mounting bracket 16 and with locating hole 22 screw-thread fit's screw 23, be equipped with bobbin 24, a plurality of limiting plate 25 and a plurality of connection hole board 26 that are L shape on the mounting bracket 16.

The working mode of the invention is as follows:

the radiating fin 1 is connected by a plurality of split type radiating bodies 3 in a plugging fit manner, the replacement is convenient, the replacement cost is reduced, after the radiating fin 1 is spliced into a whole, a bottom sleeve 8 is installed, fan blades of a radiating fan 2 are arranged in a first groove 14, a motor driving structure of the radiating fan 2 is arranged in the bottom sleeve 8 and is fixed, a power line extends out of a wire hole 9 for power distribution and is fixed with the radiating fin 1 and a case through a mounting bracket 16, the bottom of the radiating fin 1 and the bottom sleeve 8 are in contact with a CPU (central processing unit) for heat transfer, an upward air flow or a downward air flow is generated when the radiating fan 2 is started, the air flows pass through a plurality of arc-shaped radiating fins 32 with first branch fins 10 and second branch fins 11, the space is fully utilized, the radiating surface area is large, and when cold air is forced to pass through a radiating air duct formed between the adjacent radiating fins 32, the cold air flows pass through the first branch fins 12 and the second branch fins 13 staggered on the first branch fins 10 and the radiating fins 32, and then the second branch fins 11 between the adjacent radiating fins 32 deflect to increase the wind resistance and improve the effective contact and heat exchange time of the cold wind and the radiating fins 1, thereby improving the heat exchange efficiency, compacting the whole size and reducing the limitation of the applicable space.

The insertion column 4 of the arc rib 31 is inserted and connected with the C-shaped insertion panel 5 of the arc rib 31 of the adjacent heat radiation body 3 in a shape matching way, and the connection is rapid and annular, so that the bottom sleeve 8 is fixedly supported and fixedly installed through the positioning groove 7 and the positioning block 6 in an insertion and connection way;

the ring 18 is embedded into the heat dissipation fins 32 of the heat dissipation body 3 and the second grooves 17 on the first support pieces 10 to form limiting, so that the structural stability is improved, the heat dissipation fins 32 and the first support pieces 10 are prevented from shaking under the influence of forced wind power, the noise is reduced, and the stability is improved;

the top end surfaces of the arc-shaped fins between the adjacent second supporting pieces 11 are connected through the top ends of the first arc-shaped plates 19 and the second supporting pieces 11 and are positioned at the bottom of the cooling fan 2, so that the connection and support performance of the hook-shaped second supporting pieces 11 is improved, the second supporting pieces 11 are prevented from shaking under the action of forced cold air of the cooling fan 2, the impact deformation of wind pressure is avoided, and the noise reduction effect is realized;

the annular groove 15 structure including the vertical wall 151, the arc wall 152 and the horizontal wall 153 is adopted to make full use of space, the installation of the mounting bracket 16 on the horizontal wall 153 is facilitated, the surface area of the heat radiation body 3 is large, and meanwhile, the side bottom of the heat radiation body 3 is provided with an acting air circulation space, so that the flowing-in of cold air or the discharging of hot air are facilitated.

The second arc-shaped plate 27 is connected with the second supporting piece 11 and the radiating fins 32 of each radiator 3, the second arc-shaped plate 27 is located on the vertical wall 151 of the annular groove 15, the connection performance of the end face structure of the second supporting piece 11 of each radiator 3 and the radiating fins 32 is improved, the second supporting piece 11 is prevented from being affected by wind force to shake, and the effects of improving stability and reducing noise are achieved.

The positioning column 20 and the C-shaped positioning plate 21 are in quick insertion fit, so that the mounting bracket 16 is connected with the radiating fin 1 in a positioning mode, and the end portion of the screw 23 can penetrate through the mounting bracket 16 and is connected and reinforced with the positioning hole 22 at the side bottom of the radiating fin 32, so that stable connection is guaranteed, and the mounting structure is saved.

The wire of the cooling fan 2 can be wound by the winding frame 24, and the limit plate 25 and the connection pore plate 26 are respectively used for limiting and hole position connection when the CPU radiator is connected with the case, so that the installation is convenient and the structure is compact.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A CPU radiator comprises a radiating fin and a radiating fan, and is characterized in that the radiating fin comprises a plurality of radiators, the radiators comprise arc-shaped ribs and a plurality of radiating fins on the arc-shaped ribs, the end parts of the arc-shaped ribs of the radiators are connected in an inserting and matching manner to form an annular shape, a bottom sleeve is arranged inside the arc-shaped ribs of the radiators, a wire hole communicated with the bottom sleeve is formed in the arc-shaped rib of at least one radiator, the radiating fins are arc-shaped, a first support piece and a second support piece are arranged on two sides of each radiating fin respectively, the first support piece and the second support piece are arranged in a staggered manner and are of hook-shaped structures, and a plurality of first fins arranged at intervals are arranged on the outer wall of the first support piece;

the heat dissipation device comprises a plurality of heat dissipation fins and a plurality of annular grooves, wherein the heat dissipation fins are arranged on one side of a second support piece and provided with a plurality of second fins which are arranged in a staggered mode with the first fins, the top of each heat dissipation body is provided with a first groove located at the arc-shaped rib and the second support piece, the first grooves of the plurality of heat dissipation bodies form a cylindrical structure, a heat dissipation fan connected with a bottom sleeve is arranged in the first grooves of the plurality of heat dissipation bodies, annular grooves are formed in the side bottoms of the plurality of heat dissipation bodies, and mounting supports connected with the heat dissipation bodies are arranged on the annular grooves.

2. The CPU radiator according to claim 1, wherein one end of the arc rib is provided with a socket post, the other end of the arc rib is provided with a C-shaped socket plate matched with the outer wall of the socket post in shape, the inner wall of the arc rib is provided with a plurality of positioning blocks, and the outer wall of the bottom sleeve is provided with positioning grooves matched with the positioning blocks in socket connection.

3. The CPU heat sink as claimed in claim 1, wherein the plurality of fins and the first fin have second grooves, and the plurality of fins have circular rings with matching shapes in the second grooves.

4. The CPU heat sink as recited in claim 1, wherein the top end portion of the second branch piece of the plurality of heat dissipating fins of each heat dissipating body is provided with a first arc-shaped plate connected to and located at the bottom of the heat dissipating fan.

5. The CPU heat sink of claim 1, wherein the inner walls of the annular groove include a vertical wall on the second leg and the heat dissipating fin, an arc-shaped wall on the second leg, the first leg and the heat dissipating fin, and a horizontal wall on the first leg and the heat dissipating fin.

6. The CPU radiator of claim 5, wherein the second branch piece and the radiating rib of each radiator body are provided with second arc-shaped plates connected on the vertical wall of the ring groove.

7. The CPU heat sink according to any one of claims 1 to 6, wherein the top of the mounting bracket is provided with a plurality of positioning posts, the heat dissipating fins are provided with positioning plates which are inserted and matched with the positioning posts and have a C-shaped structure, the plurality of heat dissipating fins are provided with at least two positioning holes, and the bottom of the mounting bracket is provided with screws which pass through the mounting bracket and are in threaded fit with the positioning holes.

8. The CPU radiator of claim 7, wherein the mounting bracket is provided with a bobbin, a plurality of L-shaped limiting plates and a plurality of connecting hole plates.