CN210068523U

CN210068523U - Low-noise cooling fan

Info

Publication number: CN210068523U
Application number: CN201920730018.5U
Authority: CN
Inventors: 吕武毅
Original assignee: Guangzhou Yiyou Qi Electronics Co Ltd
Current assignee: Guangzhou Yiyou Qi Electronics Co Ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-02-14
Anticipated expiration: 2029-05-21

Abstract

The utility model belongs to the technical field of radiator fan, especially, be a low noise radiator fan, including first fixed plate, second fixed plate, flabellum and biological membrane filter screen that receives, first fixed plate outer wall fixedly connected with first connecting plate, first fixed plate four corners outer wall all is equipped with the bolted connection board, the bolted connection board with first fixed plate integrated into one piece, second fixed plate outer wall fixedly connected with second connecting plate; this device drives the flabellum through the motor when using and rotates when carrying out the heat dissipation to the device, receive the membrane filter screen through the outside biology of motor and can carry out an absorption to the dust because the flabellum is rotatory to be attracted, prevent that it from entering into the inside of motor, thereby motor and flabellum can send the vibration noise production in the operation, thereby can play an absorptive effect to the noise that the flabellum sent through foamed aluminum protection board and foamed aluminum strengthening rib in addition, make the great reduction of noise of fan.

Description

Low-noise cooling fan

Technical Field

The utility model belongs to the technical field of radiator fan, concretely relates to low noise radiator fan.

Background

The CPU can generate a large amount of heat when working, if the heat is not dissipated in time, the heat is easy to crash, the CPU can be burnt out, and the CPU radiator is used for radiating the CPU. The radiator plays decisive effect to CPU's steady operation, and it is very important to choose a good radiator of a section when the equipment computer, and radiator fan is the indispensable partly on the radiator, and the radiating fan that cools down through the forced air cooling, what the forced air cooling heat dissipation was most painful is that the fan during operation produces huge noise, and the factor of deciding radiator fan noise degree has a lot, including fan rotational speed, fan size, the dynamic balance of fan, service environment etc.. The most important factor is the type of fan bearing, which is various, such as a hydraulic bearing, a ball bearing, a magnetic suspension bearing, and the like.

The inside of the motor of the existing heat dissipation fan can adsorb a lot of dust when the use time is long, and especially when the dust is adsorbed near the output shaft of the motor, the resistance of the fan blades of the fan is increased when the fan blades rotate, so that great noise can be generated, and the use of people is influenced.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a low noise radiator fan has convenient to detach and noise reduction's characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: a low-noise heat dissipation fan comprises a first fixing plate, a second fixing plate, fan blades and a biological nano-membrane filter screen, wherein the outer wall of the first fixing plate is fixedly connected with a first connecting plate, the outer walls of four corners of the first fixing plate are respectively provided with a bolt connecting plate, the bolt connecting plates are integrally formed with the first fixing plate, the outer wall of the second fixing plate is fixedly connected with a second connecting plate, the second connecting plate is in sliding connection with the first connecting plate, a fixing bolt is arranged in the second connecting plate, the fixing bolt penetrates through the second connecting plate and the first connecting plate and is fixedly connected with the first connecting plate in a screwed manner, the outer wall of the second fixing plate is fixedly connected with a foamed aluminum protection plate, the inner wall of the second fixing plate is fixedly connected with one end of a foamed aluminum reinforcing rib, the other end of the foamed aluminum reinforcing rib is, the connecting hole has been seted up in second fixed plate four corners, the flabellum with motor output fixed connection, motor outer wall fixedly connected with the membrane filter screen is received to the biology, the biology is received fixedly connected with wearing layer on the membrane filter screen, the wearing layer with the output shaft fixed connection of motor, motor and external power source electric connection.

Preferably, the first fixing plate and the second fixing plate are rectangular, have the same size, and have a thickness of three millimeters.

Preferably, the number of the first connecting plates and the second connecting plates is four, and the first connecting plates and the second connecting plates are symmetrically distributed on the first fixing plate and the second fixing plate.

Preferably, the first connecting plate is fixed at a central position of each side of the first fixing plate, and the second connecting plate is fixed at a central position of each side of the second fixing plate.

Preferably, the bolt connecting plate and the connecting hole are circular, and the circle centers of the bolt connecting plate and the connecting hole are on the same straight line.

Preferably, the angle between the foamed aluminum reinforcing rib and the motor fixing seat is forty-five degrees, and the contact surface between the foamed aluminum reinforcing rib and the motor fixing seat is larger than the contact surface between the foamed aluminum reinforcing rib and the second fixing plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this device drives the flabellum through the motor when using and rotates when carrying out the heat dissipation to the device, receive the membrane filter screen through the outside biology of motor and can carry out an absorption to the dust because the flabellum is rotatory to be attracted, prevent that it from entering into the inside of motor, thereby motor and flabellum can send the vibration noise production in the operation, thereby can play an absorptive effect to the noise that the flabellum sent through foamed aluminum protection board and foamed aluminum strengthening rib in addition, make the great reduction of noise of fan.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is a schematic structural view of a middle motor and a biological nano-film filter screen of the present invention;

fig. 4 is a schematic structural diagram of the middle motor and the second fixing plate of the present invention.

In the figure: 1. a first fixing plate; 11. a first connecting plate; 12. a bolt connecting plate; 2. a second fixing plate; 21. a second connecting plate; 211. fixing the bolt; 22. a foamed aluminum protective plate; 23. foamed aluminum reinforcing ribs; 24. a motor fixing seat; 241. a motor; 25. connecting holes; 3. a fan blade; 4. a biological nano-film filter screen; 41. and a wear-resistant layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Example 1

Referring to fig. 1-4, the present invention provides the following technical solutions: a low-noise heat radiation fan comprises a first fixing plate 1, a second fixing plate 2, fan blades 3 and a biological nano-membrane filter screen 4, wherein the outer wall of the first fixing plate 1 is fixedly connected with a first connecting plate 11, the outer walls of four corners of the first fixing plate 1 are respectively provided with a bolt connecting plate 12, the bolt connecting plates 12 are integrally formed with the first fixing plate 1, the outer wall of the second fixing plate 2 is fixedly connected with a second connecting plate 21, the second connecting plate 21 is connected with the first connecting plate 11 in a sliding manner, a fixing bolt 211 is arranged in the second connecting plate 21, the fixing bolt 211 penetrates through the second connecting plate 21 and is fixedly connected with the first connecting plate 11 in a threaded manner, the outer wall of the second fixing plate 2 is fixedly connected with a foamed aluminum protection plate 22, the inner wall of the second fixing plate 2 is fixedly connected with one end of a foamed aluminum reinforcing rib 23, the other, connecting holes 25 are formed in four corners of the second fixing plate 2, the fan blades 3 are fixedly connected with the output end of the motor 241, the outer wall of the motor 241 is fixedly connected with a biological membrane containing filter screen 4, a biological wear-resistant layer 41 is fixedly connected onto the membrane containing filter screen 4, the wear-resistant layer 41 is fixedly connected with an output shaft of the motor 241, and the motor 241 is electrically connected with an external power supply.

In this embodiment: the outer wall of the first fixing plate 1 is fixedly connected with a first connecting plate 11, the outer walls of four corners of the first fixing plate 1 are respectively provided with a bolt connecting plate 12, the bolt connecting plates 12 and the first fixing plate 1 are integrally formed, the outer wall of the second fixing plate 2 is fixedly connected with a second connecting plate 21, the second connecting plate 21 is in sliding connection with the first connecting plate 11, a fixing bolt 211 is arranged in the second connecting plate 21, the fixing bolt 211 penetrates through the second connecting plate 21 and the first connecting plate 11 and is fixedly connected in a threaded manner, the first connecting plate 11 can be inserted into the second connecting plate 21 during installation, then the fixing is carried out through the fixing bolt 211, so that the connection between the first fixing plate 1 and the second fixing plate 2 is firmer, the outer wall of the second fixing plate 2 is fixedly connected with a foamed aluminum protection plate 22, and external impurities can be placed into the device during operation of, and the foamed aluminum protection plate 22 is made of foamed aluminum, which can achieve a good noise absorption effect, the inner wall of the second fixing plate 2 is fixedly connected with one end of a foamed aluminum reinforcing rib 23, the other end of the foamed aluminum reinforcing rib 23 is fixedly connected with a motor fixing seat 24, the outer wall of the motor fixing seat 24 is fixedly connected with a motor 241, the motor fixing seat 24 and the second fixing plate 2 are connected through the foamed aluminum reinforcing rib 23, which can play a role of supporting the motor fixing seat 24, and the foamed aluminum reinforcing rib 23 can absorb noise through the foamed aluminum reinforcing rib 23 when vibration generated when the motor 241 operates is transmitted to the motor fixing seat 24, the four corners of the second fixing plate 2 are provided with connecting holes 25, the bolt connecting plate 12 is penetrated through an external bolt to be screwed and fixed with the connecting holes 25, so that the connection between the first fixing plate 1 and the second fixing plate 2 is firmer, flabellum 3 and motor 241 output fixed connection, drive the rotation of flabellum 3 through motor 241, motor 241 outer wall fixedly connected with biology receives membrane filter screen 4, the biology receives the hydrone in little granule and the air in the membrane filter screen 4 can the adsorbed air, the biology receives fixedly connected with wearing layer 41 on the membrane filter screen 4, wearing layer 41 and motor 241's output shaft fixed connection, can carry out an absorption to the dust because the rotatory attraction of flabellum 3 through motor 241 outside biology receiving membrane filter screen 4, prevent that it from entering into motor 241's inside.

Specifically, the first fixing plate 1 and the second fixing plate 2 are rectangular, have the same size and are three millimeters thick; the overall stability is increased to make the device more stable in use.

Specifically, the number of the first connecting plates 11 and the second connecting plates 21 is four, and the first connecting plates and the second connecting plates are symmetrically distributed on the first fixing plate 1 and the second fixing plate 2; facilitating the connection between the first connecting plate 11 and the second connecting plate 21.

Specifically, the first connecting plate 11 is fixed at the center position of each side of the first fixing plate 1, and the second connecting plate 21 is fixed at the center position of each side of the second fixing plate 2; the connection between the first fixing plate 1 and the second fixing plate 2 through the first connecting plate 11 and the second connecting plate 21 is more firm, and the center of gravity is not shifted.

Specifically, the bolt connecting plate 12 and the connecting hole 25 are circular, and the centers of the bolt connecting plate 12 and the connecting hole 25 are on the same straight line; facilitating the external bolts to pass through the bolt-connecting plate 12 and the connecting holes 25.

Specifically, the angle between the foamed aluminum reinforcing rib 23 and the motor fixing seat 24 is forty-five degrees, and the contact surface between the foamed aluminum reinforcing rib 23 and the motor fixing seat 24 is larger than the contact surface between the foamed aluminum reinforcing rib 23 and the second fixing plate 2; the firmness between the foamed aluminum reinforcing ribs 23 and the motor fixing seat 24 is increased, and the noise generated by the motor fixing seat 24 due to the vibration of the motor 241 is conveniently absorbed.

The utility model discloses a theory of operation and use flow: insert second connecting plate 21 to first connecting plate 11 earlier when using this device, then fix through fixing bolt 211 again, pass bolted connection board 12 and connecting hole 25 spiro union are fixed to outside bolt again, so can make the connection between first fixed plate 1 and the second fixed plate 2 more firm, and be convenient for people's dismantlement, then drive flabellum 3 through opening motor 241 and rotate when carrying out the heat dissipation to the device, receive membrane filter screen 4 can carry out an absorption to the dust because the rotatory attraction of flabellum 3 through the outside biology of motor 241, prevent that the dust from entering into the inside of motor 241, thereby motor 241 and flabellum 3 can send the vibration and produce the noise, and can play an absorptive effect to the noise that flabellum 3 sent through foam aluminum protection board 22 and foam aluminum strengthening rib 23, the noise that the device sent has been reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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. The utility model provides a low noise radiator fan, includes first fixed plate (1), second fixed plate (2), flabellum (3) and biology and receives membrane filter screen (4), its characterized in that: the outer wall of the first fixing plate (1) is fixedly connected with a first connecting plate (11), the outer walls of four corners of the first fixing plate (1) are respectively provided with a bolt connecting plate (12), the bolt connecting plates (12) and the first fixing plate (1) are integrally formed, the outer wall of the second fixing plate (2) is fixedly connected with a second connecting plate (21), the second connecting plate (21) is in sliding connection with the first connecting plate (11), a fixing bolt (211) is arranged in the second connecting plate (21), the fixing bolt (211) penetrates through the second connecting plate (21) and the first connecting plate (11) and is fixedly connected with the first connecting plate in a threaded manner, the outer wall of the second fixing plate (2) is fixedly connected with a foamed aluminum protective plate (22), the inner wall of the second fixing plate (2) is fixedly connected with one end of a foamed aluminum reinforcing rib (23), and the other end of the foamed aluminum reinforcing rib (23) is fixedly connected, motor fixing base (24) outer wall fixedly connected with motor (241), connecting hole (25) have been seted up in second fixed plate (2) four corners, flabellum (3) with motor (241) output fixed connection, motor (241) outer wall fixedly connected with membrane filter screen (4) is received to the biology, fixedly connected with wearing layer (41) are gone up in membrane filter screen (4) to the biology, wearing layer (41) with the output shaft fixed connection of motor (241), motor (241) and external power source electric connection.

2. A low noise heat dissipating fan as claimed in claim 1, wherein: the first fixing plate (1) and the second fixing plate (2) are rectangular in shape, identical in size and three millimeters in thickness.

3. A low noise heat dissipating fan as claimed in claim 1, wherein: the number of the first connecting plates (11) and the second connecting plates (21) is four, and the first connecting plates and the second connecting plates are symmetrically distributed on the first fixing plate (1) and the second fixing plate (2).

4. A low noise heat dissipating fan as claimed in claim 1, wherein: the first connecting plate (11) is fixed at the middle position of the edge of the first fixing plate (1), and the second connecting plate (21) is fixed at the center position of each edge of the second fixing plate (2).

5. A low noise heat dissipating fan as claimed in claim 1, wherein: the bolt connecting plate (12) and the connecting hole (25) are circular, and the circle centers of the bolt connecting plate (12) and the connecting hole (25) are on the same straight line.

6. A low noise heat dissipating fan as claimed in claim 1, wherein: the angle between foamed aluminum reinforcing rib (23) and motor fixing base (24) is forty-five degrees, just foamed aluminum reinforcing rib (23) with the contact surface of motor fixing base (24) is than foamed aluminum reinforcing rib (23) with the contact surface of second fixed plate (2) is big.