CN210324093U

CN210324093U - Noiseless computer heat radiator

Info

Publication number: CN210324093U
Application number: CN201921963988.6U
Authority: CN
Inventors: 汤少珍; 乔娟
Original assignee: Zhengzhou Information Engineering Vocational College
Current assignee: Zhengzhou Information Engineering Vocational College
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-04-14
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a noiseless computer heat dissipation device, which comprises a case and a circuit board module, wherein the case comprises an air inlet plate and an air outlet plate; one side of the circuit board module is provided with a main ventilation pipe, and the other side of the circuit board module is provided with an auxiliary ventilation pipe; a plurality of groups of heat conducting pieces are arranged on two sides of the main ventilating pipe, the main ventilating pipe is connected with an air inlet of the main fan, and an air outlet of the main fan is connected with a main air outlet pipe; the auxiliary ventilation pipe is connected with an air inlet of an auxiliary fan, and an air outlet of the auxiliary fan is connected with an auxiliary air outlet pipe; the main air outlet pipe and the auxiliary air outlet pipe penetrate through the air outlet plate. Rubber gaskets are arranged between the main fan, the auxiliary fan and the base, sealing covers are arranged outside the main fan and the auxiliary fan, and inorganic fiber rings cover the surfaces of the sealing covers, so that the sound of air flow and the vibration sound of fan blades are effectively absorbed, and the noise is reduced.

Description

Noiseless computer heat radiator

Technical Field

The utility model belongs to computer heat abstractor field especially relates to a noiseless formula computer heat abstractor.

Background

The computer is used as an intelligent and efficient information transmission medium, is widely used in life, and is increasingly popular with people due to the characteristics of strong functions and more purposes. The computer uses integrated circuits in a large number, and in the use process, the circuit board generates heat, electronic devices are easily burnt out by the circuit board in a high-temperature state, and in addition, the high temperature easily causes unstable system operation. In order to improve the service life and stability of the computer, the computer is generally subjected to heat dissipation treatment, so that the circuit device is ensured to operate in a lower environment. In the related art, a computer is provided with a certain number of heat dissipation windows, and physical heat dissipation is performed by ventilation of a fan.

In the prior art, chinese patent application 201710583472.8 discloses a computer heat dissipation structure, which improves the current simple copper tube surrounding heat dissipation structure, and can effectively improve the heat dissipation effect, and three heat dissipation frames with special structural shapes are arranged around the fan, and the heat exchange of the three heat dissipation frames can quickly and efficiently transfer and gather the heat of the computer heat source device to the heat dissipation fan, and the heat dissipation fan can discharge the air flow out of the computer by high-speed rotation, and a special heat absorption component is arranged at the computer heat source device, so that the heat of the heat source device can be absorbed and taken away, and the heat is discharged by the fan.

In the prior art, chinese patent application No. 201910020209.7 discloses a computer heat dissipation device, which comprises a chassis, a ventilation assembly, an auxiliary heat sink, a heat dissipation hole plate, a dust guard, and a main heat sink, wherein the heat dissipation structure of a simple copper tube is modified into a special heat dissipation channel, the heat dissipation channel constructed by a heat exchange fin assembly is utilized, and the ventilation assembly is utilized for ventilation, so that the heat exchange effect at the CPU and the circuit board module can be greatly increased.

However, in the prior art, when the heat dissipation device works, noise is easily generated due to the flowing of air flow and the vibration of the fan, the heat dissipation effect of the heat dissipation device is poor, the working efficiency is low, the heat dissipation device needs to be improved, the heat dissipation effect is ensured, and meanwhile, the noise generated during working is reduced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims at providing a noiseless computer heat dissipation device, which utilizes the air near the carriage to form a negative pressure region when a motor car runs at high speed by arranging a cold box and a liquid cooling device, the air temperature is low, the flow speed is high, the temperature of the liquid medium in the cold box is reduced, and then the carriage is effectively cooled by a return pipe and a liquid cooling mechanism; the energy is saved, and the temperature in the compartment of the motor car is effectively reduced.

The utility model provides a following technical scheme:

a noiseless computer heat sink comprises a case and a circuit board module, wherein the case comprises an air inlet plate and an air outlet plate; one side of the circuit board module is provided with a main ventilation pipe, and the other side of the circuit board module is provided with an auxiliary ventilation pipe; a plurality of groups of heat conducting pieces are arranged on two sides of the main ventilating pipe, the main ventilating pipe is connected with an air inlet of the main fan, and an air outlet of the main fan is connected with a main air outlet pipe; the auxiliary ventilation pipe is connected with an air inlet of an auxiliary fan, and an air outlet of the auxiliary fan is connected with an auxiliary air outlet pipe; the main air outlet pipe and the auxiliary air outlet pipe penetrate through the air outlet plate.

Preferably, the main ventilation pipe extends to the top end of the circuit board module in the case, a plurality of branch pipes are arranged on two sides of the main ventilation pipe, the distance between every two adjacent branch pipes is equal, and the branch pipes on two sides are symmetrically arranged.

Preferably, the heat conducting part is of a U-shaped structure, the lower end of the heat conducting part is spiral, one end of the heat conducting part is provided with a heat transfer metal strip, the heat transfer metal strip is a copper pipe, the heat transfer metal strip extends to the circuit board module, the heat conducting part is arranged between the two branch pipes, and the two sides of the main ventilation pipe are uniformly distributed on the heat conducting part.

Preferably, the other end of the heat conducting piece is provided with a main heat dissipation fin and an auxiliary heat dissipation fin, and the main heat dissipation fin and the auxiliary heat dissipation fin are vertically arranged.

Preferably, the surfaces of the chassis adjacent to the circuit board modules are provided with through holes.

Preferably, dust filter plates are arranged at the through holes on the surface of the case.

Preferably, the main ventilation pipe is of a hollow structure, and the cross section of the main ventilation pipe is in a plum blossom shape.

Preferably, the air inlet plate and the air outlet plate are provided with a plurality of through holes.

Preferably, the main fan is arranged on a base, the base is fixed on the case, and a rubber gasket is arranged between the main fan and the base.

Preferably, the auxiliary fan is arranged on a base, the base is fixed on the case, and a rubber gasket is arranged between the auxiliary fan and the base.

Preferably, the base is made of metal, especially a metal aluminum block.

Preferably, the main ventilation pipe, the auxiliary ventilation pipe and the branch pipe are all metal pipes, in particular copper pipes.

Preferably, the main fan and the auxiliary fan are both provided with sealing covers, and the surfaces of the sealing covers are covered with inorganic fiber rings.

Preferably, the auxiliary ventilation pipe is arranged between the circuit board module and the chassis, and one side of the adjacent circuit board module of the auxiliary ventilation pipe is provided with a plurality of ventilation branch pipes.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model relates to a noiseless formula computer heat abstractor, through setting up the heat-conducting piece, the heat-conducting piece is the U-shaped structure, and the lower extreme is the heliciform, has increased the area of contact of heat-conducting piece with main ventilation pipe, has improved heat transfer efficiency.

(2) The utility model relates to a noiseless formula computer heat abstractor through setting up vice fan, in time gets rid of the heat that main fan did not give off, has improved the heat extraction volume, has improved the radiating effect.

(3) The utility model relates to a noiseless formula computer heat abstractor, main ventilation pipe is hollow structure with vice ventilation pipe, main ventilation pipe is the plum blossom shape with vice ventilation pipe cross sectional shape, increased with heat-conducting piece area of contact, the effectual work efficiency that has improved.

(4) The utility model relates to a noiseless formula computer heat abstractor, be equipped with the rubber gasket between main fan, vice fan and the base, main fan is equipped with the sealed cowling with vice fan outside, and the sealed cowling surface covering has inorganic fiber circle, and the effectual sound of having absorbed the air current and the vibrations sound of flabellum have reduced the noise.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a main schematic diagram of the present invention.

Fig. 2 is a schematic view of the connection of the main fan according to the present invention.

Figure 3 is a schematic cross-sectional view of the primary vent pipe of the present invention.

Fig. 4 is a schematic view of the connection between the heat-conducting member and the heat-conducting metal strip according to the present invention.

In the figure: 1. a chassis; 2. a secondary vent pipe; 3. a branch pipe; 4. a heat conductive member; 5. a primary vent pipe; 6. an auxiliary fan; 7. an air outlet plate; 8. an auxiliary air outlet pipe; 9. a main air outlet pipe; 10. a main fan; 11. a circuit board module; 12. an air inlet plate; 13. a rubber gasket; 14. a base; 15. a heat transfer metal strip; 16. and (4) inorganic fiber rings.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined to clearly and completely describe the technical solutions of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, a noiseless computer heat sink comprises a case 1 and a circuit board module 11, wherein the case 1 comprises an air inlet plate 12 and an air outlet plate 7; a main ventilation pipe 5 is arranged on one side of the circuit board module 1, and an auxiliary ventilation pipe 2 is arranged on the other side of the circuit board module; a plurality of groups of heat conducting pieces 4 are arranged on two sides of the main ventilating pipe 5, the main ventilating pipe 5 is connected with an air inlet of a main fan 10, and an air outlet of the main fan 10 is connected with a main air outlet pipe 9; the auxiliary ventilation pipe 2 is connected with an air inlet of an auxiliary fan 6, and an air outlet of the auxiliary fan 6 is connected with an auxiliary air outlet pipe 8; the main air outlet pipe 9 and the auxiliary air outlet pipe 8 penetrate through the air outlet plate 7.

The main ventilation pipe 5 extends to the top end of the circuit board module 11 in the case 1, a plurality of branch pipes 3 are arranged on two sides of the main ventilation pipe 5, the distance between every two adjacent branch pipes 3 is equal, and the branch pipes 3 on the two sides are symmetrically arranged.

The heat conducting piece 4 is of a U-shaped structure, the lower end of the heat conducting piece is spiral, a plurality of heat transfer metal strips 15 are arranged at one end of the heat conducting piece 4, the heat transfer metal strips 15 extend to the circuit board module 11 and are fixed on the case 1, the heat conducting piece 4 is arranged between the two branch pipes 3, and the heat conducting piece 4 is uniformly arranged on two sides of the main ventilating pipe 5.

The main ventilation pipe 5 is of a hollow structure, the cross section of the main ventilation pipe 5 is in a plum blossom shape or a regular hexagon shape, the contact area of the main ventilation pipe and the heat conducting piece is enlarged, and the working efficiency is improved.

The air inlet plate 12 is provided with a plurality of through holes, so that air can enter conveniently, the air outlet plate 7 is provided with a plurality of through holes for air outflow, and redundant heat which is not discharged in time in the air can be discharged.

And dust filter plates are arranged at the through holes on the surface of the case 1 and used for filtering dust in air and keeping the internal environment of the case 1 clean.

The main fan 10 is arranged on the base 14, the base 14 is fixed on the case 1, and the rubber gasket 13 is arranged between the main fan 10 and the base 14, so that the buffering effect is achieved, and the noise generated by the fan due to vibration is reduced.

The main fan 10 and the auxiliary fan 6 are externally provided with a sealing cover, and the surface of the sealing cover is covered with an inorganic fiber ring 16 to absorb noise generated by air flow and fan blade rotation.

The auxiliary ventilation pipe 2 is arranged between the circuit board modules 11 and the case 1, a plurality of ventilation branch pipes 3 are arranged on one side of the auxiliary ventilation pipe 2 adjacent to the circuit board modules 11, and the ventilation branch pipes 3 are used for air circulation to enter the ventilation pipes.

The other end of the heat conducting piece 4 is provided with a main heat dissipation fin and an auxiliary heat dissipation fin which are vertically arranged. The heat which cannot be removed in time is emitted, and the computer heat dissipation device is prevented from being damaged due to excessive heat.

The surface of the case 1 adjacent to the circuit board module 11 is provided with through holes for natural heat dissipation and improving heat dissipation efficiency.

The base 14 is made of metal, especially a metal aluminum block. The main ventilation pipe 5, the auxiliary ventilation pipe 2 and the branch pipe 3 are all metal pipes, in particular copper pipes.

The working principle is as follows: in the working process of the device, heat generated by the circuit board module 11 is transmitted to the heat conducting piece 4 through the heat conducting metal strip 15, the heat conducting piece 4 transmits the heat to the main ventilation pipe 5, the main ventilation pipe 5 has flowing air in the pipe under the action of the main fan 10, and the air transmits the heat to the outside of the case 1, so that the cooling effect is achieved. In the same way, the auxiliary ventilation pipe 2 removes heat which cannot be timely discharged by the main ventilation pipe 5 to the outside of the case 1 through the auxiliary fan 6, so that the cooling effect is improved. A rubber gasket 13 is arranged between the main fan 10, the auxiliary fan 6 and the base 14, the rubber gasket 13 absorbs energy generated by the rotation of the fans, and meanwhile, the fans are provided with inorganic fiber rings 16 which absorb sound generated by air flow and sound generated by fan vibration, so that the noise of the computer heat dissipation device is effectively reduced.

The device obtained by the technical scheme is a noise-free computer heat radiating device, the heat radiating effect is improved by arranging the main ventilating pipe 5 and the auxiliary ventilating pipe 2, and the noise-free work of the computer heat radiating device is realized by arranging the rubber gasket 13 and the inorganic fiber ring 16.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A noiseless computer heat sink comprises a case (1) and a circuit board module (11), and is characterized in that the case (1) comprises an air inlet plate (12) and an air outlet plate (7); a main ventilation pipe (5) is arranged on one side of the circuit board module (11), and an auxiliary ventilation pipe (2) is arranged on the other side of the circuit board module; a plurality of groups of heat conducting pieces (4) are arranged on two sides of the main ventilation pipe (5), the main ventilation pipe (5) is connected with an air inlet of a main fan (10), and an air outlet of the main fan (10) is connected with a main air outlet pipe (9); the auxiliary ventilation pipe (2) is connected with an air inlet of an auxiliary fan (6), and an air outlet of the auxiliary fan (6) is connected with an auxiliary air outlet pipe (8); the main air outlet pipe (9) and the auxiliary air outlet pipe (8) penetrate through the air outlet plate (7).

2. The noiseless computer heat sink according to claim 1, wherein the main ventilation pipe (5) extends to the top end of the circuit board module (11) in the chassis (1), a plurality of branch pipes (3) are arranged on both sides of the main ventilation pipe (5), the distance between two adjacent branch pipes (3) is equal, and the branch pipes (3) on both sides are symmetrically arranged.

3. The noiseless computer heat sink according to claim 1, wherein the heat conducting member (4) has a U-shaped structure and a spiral lower end, one end of the heat conducting member (4) is provided with a plurality of heat conducting metal strips (15), the heat conducting metal strips (15) extend to the circuit board module (11), the heat conducting member (4) is disposed in the middle of the two branch pipes (3), and the heat conducting member (4) is uniformly arranged on both sides of the main ventilation pipe (5).

4. A noiseless computer heat sink according to claim 1 or 2, characterised in that the primary ventilation pipe (5) is of hollow structure and the cross section of the primary ventilation pipe (5) is in the shape of a plum blossom.

5. The noiseless computer heat sink according to claim 1, wherein the air inlet plate (12) and the air outlet plate (7) are provided with a plurality of through holes.

6. The noiseless computer heat sink according to claim 1, wherein the main fan (10) is disposed on a base (14), the base (14) is fixed on the chassis (1), and a rubber gasket (13) is disposed between the main fan (10) and the base (14).

7. The noiseless computer heat sink according to claim 1 or 6, characterized in that the main fan (10) is externally provided with a sealed cover, and the surface of the sealed cover is covered with inorganic fiber rings (16).

8. The noiseless computer heat sink according to claim 1 or 6, wherein the secondary ventilation pipe (2) is disposed between the circuit board module (11) and the chassis (1), and a plurality of ventilation branch pipes (3) are disposed on the side of the secondary ventilation pipe (2) adjacent to the circuit board module (11).