CN212563850U

CN212563850U - Mute fan assembly and electronic equipment

Info

Publication number: CN212563850U
Application number: CN202021649745.8U
Authority: CN
Inventors: 康培; 张艳彬; 朱坤
Original assignee: Taicang Huaying Electronic Material Co ltd
Current assignee: Taicang Huaying Electronic Material Co ltd
Priority date: 2020-07-17
Filing date: 2020-08-10
Publication date: 2021-02-19
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a silence fan unit spare and electronic equipment, its structural design is simple reasonable, but noise reduction, improvement fan's radiating efficiency, but the energy saving reduces the input cost simultaneously, and it includes that a plurality of even interval arrangement's of base circumference blade, circumference run through every the silence ring of blade, the silence ring bit is in the position of base one end is kept away from to the blade, the silence ring along the radial extending width of base with the ratio scope of blade length does: 0.01 to 0.2.

Description

Mute fan assembly and electronic equipment

Technical Field

The utility model relates to a heat dissipation equipment technical field specifically is a fan assembly that can effectively reduce fan noise.

Background

The fan is a device for accelerating air circulation by driving blades to rotate by using a motor, and can be used for heat dissipation of families, offices, electronic components and the like, for example, the fan is used for heat dissipation of a computer notebook to prevent the electronic components in the computer notebook from being burnt due to overheating.

The fan blade with the mute ring is provided in the prior art, the problems of large vibration amplitude and large noise can be solved, but the problem of unreasonable matching between the mute ring and the blade structure exists, and under the condition of certain blade thickness, if the blade is short in length and large in width, the noise is increased easily, the blowing capacity of the blade is weakened easily, and the heat dissipation, ventilation or heat exchange efficiency of the fan is seriously influenced; the width of the mute ring is large, so that the blade bears the gravity and is increased, the motor needs to consume more energy to drive the blade to rotate effectively, the energy consumption of the computer notebook is increased, and the service life of the battery is seriously influenced by the increase of the energy consumption for the computer notebook with certain battery capacity.

SUMMERY OF THE UTILITY MODEL

The blade that exists among the prior art is unreasonable with silence ring configuration structure, easily leads to the fan noise big, influences fan radiating efficiency, and easily increases the energy consumption, makes the problem that the input cost is high, the utility model provides a fan assembly, its structural design is simple reasonable, but the noise reduction, the radiating efficiency who improves the fan, but the energy saving reduces the input cost simultaneously.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a silence fan unit spare, its includes a plurality of blades along the even interval arrangement of base circumference, circumference run through every the silence ring of blade, its characterized in that, silence ring is located the position that the base one end was kept away from to the blade, silence ring along the radial extension width of base with the ratio range of blade length is: 0.01 to 0.2.

It is further characterized in that:

the blades are in a straight plate shape or an arc shape;

the mute ring is positioned at the top end, the middle part or the bottom end of the inner side of the blade tip;

the mute ring is positioned at the top end, the middle part or the bottom end of the edge of the blade tip;

the mute ring and the base are coaxially distributed;

the middle part of the base is fixed with a rotor of the motor, and the rotor is driven by the motor to drive the base and the blades to rotate;

one end of each blade is fixed with the base through a connecting piece, the base comprises a top wall and a peripheral wall surrounding the edge of the top wall for one circle, the top wall and the peripheral wall surround to form an accommodating space, a through hole penetrates through the peripheral wall or the connecting position of the peripheral wall and the top wall, the connecting piece comprises an annular fixed disc matched with the base structure, a clamping piece with one end perpendicular to the inner edge of the top end of the fixed disc and the other end perpendicular to the base, the fixed disc is sleeved on the periphery of the base, the blades are fixed on the outer side end of the fixed disc, the outer edge of the top end of the base is provided with through holes corresponding to the clamping pieces, the clamping pieces are embedded in the through holes, and the fixed disc and the clamping;

the silent ring, the blades and the connecting pieces are all made of plastic or metal and are integrally formed;

the mute ring is in a flat sheet shape along the axial direction of a rotating shaft of the mute fan assembly, and is in a circular ring shape along the circumferential direction of the base;

the thickness of the mute ring along the axial direction of the rotating shaft of the mute fan assembly is smaller than the extension width of the mute ring along the radial direction of the base, so that the weight of the whole fan assembly is further reduced, and the light and thin requirements of electronic equipment on the heat dissipation module are met;

the silent fan assembly is provided with at least two silent rings which are arranged at intervals along the axial direction of a rotating shaft of the silent fan assembly; the at least two silencing rings are arranged, so that the silencing effect of the fan assembly is further improved;

the mute ring and the blades are integrally formed;

the bottom of the connecting piece is provided with a soil supplementing groove for supplementing soil so as to adjust the balance of the fan conveniently.

The electronic equipment is internally provided with the heat dissipation module, and is characterized in that the heat dissipation module comprises the mute fan assembly.

Adopt the utility model discloses above-mentioned structure can reach following beneficial effect: (1) the mute ring is arranged on the inner side of the blade tip or the edge of the blade tip, and the blade tip of the blade is fixed through the mute ring, so that the vibration amplitude of the blade can be reduced, and the noise generated by the vibration of the blade is reduced.

(2) For the fan blades with different widths, the ratio range of the width of the mute ring to the length of the fan blades is set as: 0.01 ~ 0.2, in this interval, can realize blade and silence ring optimal allocation, avoid leading to the problem that blade blast capacity weakens to appear because of the silence ring width broad, consequently can effectively improve the heat dissipation of fan, ventilate or heat exchange efficiency. And the ratio range of the width of the mute ring to the length of the blade is set in the range, so that the problem that the gravity borne by the blade is increased due to the excessively wide width of the mute ring can be avoided, and the heat dissipation energy consumption and the use cost are reduced.

Drawings

Fig. 1 is a schematic top view of an embodiment of the mute ring of the present invention located inside the blade tip;

fig. 2 is a schematic top view of two embodiments of the mute ring of the present invention located inside the blade tip;

fig. 3 is a schematic top view of the mute ring of the present invention located at the edge of the blade tip;

fig. 4 is a schematic top view of two embodiments of the mute ring of the present invention located inside the blade tip;

fig. 5 is a schematic sectional structural view of a front view of a part of the structure of an embodiment of the mute ring in fig. 1 or fig. 2;

fig. 6 is a schematic sectional structural view of a front view of a part of the structure of the second embodiment of the mute ring in fig. 1 or fig. 2;

fig. 7 is a schematic sectional structural view of a front view of a part of the structure of the third embodiment of the mute ring in fig. 1 or fig. 2;

fig. 8 is a schematic sectional structural view of a front view of a part of the structure of the fourth embodiment of the mute ring in fig. 3 or fig. 4;

fig. 9 is a schematic sectional structural view of a front view of a part of the structure of the fifth embodiment of the mute ring in fig. 3 or 4;

fig. 10 is a schematic sectional structural view of a front view of a part of the structure of the six embodiments of the mute ring in fig. 3 or fig. 4.

Detailed Description

Referring to fig. 1 to 10, a silent fan assembly comprises a plurality of blades 2 uniformly arranged along the circumferential direction of a base 1 at intervals, a silent ring 3 circumferentially penetrating through each blade 2, the silent ring 3 is in a flat sheet shape along the axial direction of a rotating shaft of the silent fan assembly, the silent ring 2 is in a circular ring shape along the circumferential direction of the base 1, the base 1 is driven by a motor (not shown in the figure) to rotate to drive the blades 2 and the silent ring 3 to rotate along with the blades 2, the width of the silent ring 3 is smaller than the length of the blades 2, the width of the silent ring 3 is set to be a, the length of the blades 2 is set to be B, the ratio range of the a to the B is 0.01-0.2, namely 0.01: b is less than or equal to 0.2, the ratio of A to B in the application can be 0.18, and the thickness of the mute ring 2 along the axial direction of the rotating shaft of the mute fan component is less than the extension width of the mute ring 2 along the radial direction of the base 1;

the blade 3 is fixed with the base 1 through the connecting piece 4, in this embodiment, the connecting piece 4 is a fan blade HUB coated enclosure, the blade root of the blade 3 is fixed with the outer side end of the connecting piece 4, the base 1 comprises a top wall and a peripheral wall enclosing the periphery of the edge of the top wall, the top wall and the peripheral wall enclose to form an accommodating space, a through hole penetrates through the connecting position of the peripheral wall or the peripheral wall and the top wall, the connecting piece 4 comprises an annular fixed disk 41 matched with the structure of the base 1, a clamping piece 42 with one end vertical to the top inner edge of the fixed disk 41 and the other end vertical to the inner side of the fixed disk, the fixed disk 41 is sleeved on the periphery of the base 1, the blade 3 is fixed on the outer side end of the fixed disk 41, the outer edge of the top end of the base 1 is provided with a through hole correspondingly matched with the clamping piece 42, the clamping piece 41 is embedded in, the blade 3 is ensured to be stably connected with the base 1, and the connecting piece 4 and the base 1 are clamped and fixed through the clamping piece 42 and the through groove, so that the blade 3 is convenient to detach or replace; in the embodiment, the number of the blades is twenty-nine, and the mute rings 3 are coaxially distributed with the base 1;

the silent ring, the blades and the connecting pieces are all made of plastic or metal and are integrally formed.

After the structure of the silent fan assembly is adopted, the blades and the silent ring can be optimally combined and configured in the following ways:

in the first embodiment, the silent ring 3 is located at the inner side of the blade tip, and is combined with the first embodiment of the silent ring, the blade 2 is in a straight plate shape (see fig. 1) or an arc shape (see fig. 2), and the silent ring 3 is located at the upper end of the inner side of the blade tip (see fig. 5);

in the second embodiment, the silent ring 3 is located at the inner side of the blade tip, and is combined with the second embodiment of the silent ring, the blade 2 is in a straight plate shape (see fig. 1) or an arc shape (see fig. 2), and the silent ring 3 is located at the middle part of the inner side of the blade tip (see fig. 6);

in the third embodiment, in the combined structure of the embodiment in which the silent ring 3 is located on the inner side of the blade tip and the third embodiment of the silent ring, the blade 2 is in a straight plate shape (see fig. 1) or an arc shape (see fig. 2), and the silent ring 3 is located at the lower end of the inner side of the blade tip (see fig. 7);

in the fourth embodiment, the silent ring 3 is located at the edge of the blade tip, and is combined with the fourth embodiment of the silent ring, the blade 2 is in a straight plate shape (see fig. 3) or an arc shape (see fig. 4), and the silent ring 3 is located at the upper end of the edge of the blade tip (see fig. 8);

in the fifth embodiment, the two embodiments of the mute ring 3 located at the edge of the blade tip and the combined structure of the five embodiments of the mute ring are that the blade 2 is straight (see fig. 3) or arc (see fig. 4), and the mute ring 3 is located in the middle of the edge of the blade tip (see fig. 9);

sixth embodiment, the two embodiments of the silent ring 3 located at the edge of the blade tip, and the combined structure of the six embodiments of the silent ring, the blade 2 is straight (see fig. 3) or arc (see fig. 4), and the silent ring 3 is located at the lower end of the edge of the blade tip (see fig. 10).

In the first to sixth embodiments, when the blade 2 is curved, the edges of the two sides of the blade 2 are both arc-shaped, which can increase the airflow contact surface of the blade, so as to increase the air volume of the fan, thereby further improving the heat dissipation efficiency of the blade; compared with the structure that the mute ring 3 is located at the edge of the blade tip in the fourth to sixth embodiments, the mute ring 3 in the first to third embodiments is located at the inner side of the blade tip, so that the edge of the blade tip of the blade 3 is more fully contacted with the airflow, the mute ring 3 is located at the inner side of the blade tip, and the ratio range of a to B is set to be 0.01-0.2, so that the rotating blade 2 can be prevented from being excessively large in vibration amplitude, noise can be reduced, and the heat dissipation efficiency of the blade can be further improved compared with the first to third embodiments. The ratio range of the width of the mute ring to the length of the blade is set as: 0.01-0.2, the problem that the energy consumption is large because the gravity of the blade is heavy due to the fact that the width of the mute ring is too wide can be avoided, and therefore the energy consumption and the use cost can be reduced, and the requirement of lightness and thinness of the fan is met.

What has been described above is only a preferred embodiment of the present application, and the present invention is not limited to the above embodiments. It is to be understood that other modifications and variations directly derivable or suggested by those skilled in the art without departing from the spirit and scope of the present invention are to be considered as included within the scope of the present invention.

Claims

1. A silent fan component comprises a base, a plurality of blades circumferentially arranged along the base at intervals, and a silent ring circumferentially connecting the blades, wherein the silent ring is positioned at the position where one end of the blade is far away from the base, and the ratio range of the extension width of the silent ring along the radial direction of the base to the length of the blade is as follows: 0.01 to 0.2.

2. A quiet fan assembly as claimed in claim 1, wherein: the blade is in a shape of a straight plate or an arc.

3. A quiet fan assembly as claimed in claim 1, wherein: the silent ring is positioned at the top end, the middle part or the bottom end of the inner side of the blade tip at one end of the blade far away from the base.

4. A quiet fan assembly as claimed in claim 2, wherein: the silent ring is positioned at the top end, the middle part or the bottom end of the edge of the blade tip at one end of the blade, which is far away from the base.

5. A quiet fan assembly as claimed in claim 1, wherein: the one end of blade passes through the connecting piece with the base is fixed, the base includes the roof and encloses the perisporium of establishing roof edge a week, the roof encloses with the perisporium and establishes and form an accommodation space, the perisporium or the hookup location of perisporium and roof run through there is the through-hole, the connecting piece including combine in the fixed disk of perisporium outer peripheral face and pass the through-hole and with the fastener of the internal surface combination of roof, fixed disk and fastener integrated into one piece, perhaps fixed disk, fastener and blade integrated into one piece.

6. A quiet fan assembly as claimed in claim 1, wherein: the silence ring is flat slice along the rotation axis axial of silence fan unit spare, the silence ring is the ring shape along base circumference.

7. A quiet fan assembly as claimed in claim 1, wherein: the thickness of the mute ring along the axial direction of the rotating shaft of the mute fan component is smaller than the extension width of the mute ring along the radial direction of the base.

8. A quiet fan assembly as claimed in claim 1, wherein: the mute fan assembly is provided with at least two mute rings which are arranged at intervals along the axial direction of a rotating shaft of the mute fan assembly.

9. A quiet fan assembly as claimed in claim 1, wherein: the mute ring and the blades are integrally formed.

10. An electronic device, wherein a heat dissipation module is disposed inside the electronic device, and the heat dissipation module comprises the mute fan assembly according to any one of claims 1 to 9.