CN218030727U

CN218030727U - High-speed fan

Info

Publication number: CN218030727U
Application number: CN202222385719.4U
Authority: CN
Inventors: 陈彬; 黄俊豪; 张鑫宇
Original assignee: Foshan Nanhai Songgang Junfeng Electrical Appliance Co ltd
Current assignee: Foshan Nanhai Songgang Junfeng Electrical Appliance Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2022-12-13
Anticipated expiration: 2032-09-08

Abstract

The utility model provides a high-speed fan, which comprises a casing, a first air guide sheet and a second air guide sheet; the shell is formed by connecting a first shell and a second shell; the first casing is provided with a first bearing chamber, and the first air guide sheet is obliquely arranged between the first casing and the first bearing chamber, so that an oblique first air duct is formed between the first casing and the first bearing chamber; the second casing is provided with a second bearing chamber, and the second air guide sheet is obliquely arranged between the second casing and the second bearing chamber, so that an oblique second air duct is formed between the second casing and the second bearing chamber; the first air duct and the second air duct are communicated to form an air flow channel. The utility model discloses high-speed fan can make the rotatory flow of air current and the dispersible amount of wind to reduce high-speed fan's noise, in addition, this high-speed fan heat dispersion is good, thereby can effectively improve high-speed fan's rotational speed and power density.

Description

High-speed fan

Technical Field

The utility model relates to a fan technical field, more specifically say, relate to a high-speed fan.

Background

The problem that the existing high-speed fan has large noise is mainly solved because in the prior art, the air duct of the high-speed fan is integrally formed by die casting, the whole demoulding cannot be realized due to the structural limitation, the air duct inclination and the number of air holes cannot be increased, and the noise cannot be effectively reduced.

In addition, the bearing chamber of the high-speed fan in the existing market is in a closed state, and heat generated when the bearing runs at a high speed is radiated by the bearing and conducted by the bearing chamber, so that the heat is difficult to dissipate, a motor coil and the bearing are difficult to dissipate heat, and the bearing is limited to be incapable of increasing the rotating speed. Meanwhile, the motor stator and the rotor of the existing high-speed fan are also in a closed state, so that the heat of the motor stator and the rotor cannot be dissipated out of the motor, the temperature rise of the motor is too high, and the power density of the motor is limited.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the shortcoming and not enough among the prior art, provide a high-speed fan that can effectively noise reduction. The utility model also provides a high-speed fan that can improve heat dispersion to can effectively improve high-speed fan's rotational speed and power density.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a high-speed fan which is characterized in that: the air conditioner comprises a shell, a first air guide sheet and a second air guide sheet; the shell is formed by connecting a first shell and a second shell; the first casing is provided with a first bearing chamber, and the first air guide sheet is obliquely arranged between the first casing and the first bearing chamber, so that an oblique first air duct is formed between the first casing and the first bearing chamber; the second casing is provided with a second bearing chamber, and the second air guide sheet is obliquely arranged between the second casing and the second bearing chamber, so that an oblique second air channel is formed between the second casing and the second bearing chamber; the first air duct and the second air duct are communicated to form an air flow channel.

In the above technical scheme, the utility model discloses high-speed fan's wind channel divide into two parts: the first air channel and the second air channel are formed by connecting the first casing and the second casing, so that the lengths of the first air channel and the second air channel are shortened by 1 time, and compared with the traditional structure with only one air channel, the utility model can not only increase the inclination of the first air channel and the second air channel, but also correspondingly increase the number of the air channels, so that the air flow can more effectively rotate and flow along the first air channel and the second air channel, and the air speed noise is reduced; in addition, the number of the air channels is increased, so that the air quantity is more dispersed, the air pressure noise is reduced, and the noise of the whole high-speed fan is effectively reduced.

The first air channel and the second air channel are arranged in a staggered mode.

The first air guide sheets are uniformly distributed along the circumferential direction of the outer wall of the first bearing chamber; the second air guide sheets are uniformly distributed along the circumferential direction of the outer wall of the second bearing chamber.

The first bearing chamber and the second bearing chamber are both provided with heat dissipation gaps facilitating heat dissipation of the bearings. When the high-speed fan works, high-speed wind can flow through the bearing by the design, the heat of the bearing is dissipated along with the high-speed wind, the heat dissipation effect can be improved, the rotating speed of the bearing can be increased, and the rotating speed of the high-speed fan is increased.

The first bearing chamber and the second bearing chamber are provided with ventilation openings convenient for internal heat dissipation. The utility model discloses a first bearing chamber and second bearing chamber are located both ends tip, and open at both ends tip has the vent, and the vent can be so that the air current circulation of high-speed fan to make the inside radiating effect of high-speed wind that reaches of high-speed fan, effectively reduced inside temperature rise, thereby can improve the power density of high-speed fan.

The bearing mounting openings of the first bearing chamber and the second bearing chamber are protruded towards the outside. This design makes first bearing room and second bearing room can adopt concentricity positioning jig to fix a position the processing to improve the concentricity of first bearing room and second bearing room, with the vibrations and the noise that reduce high-speed fan.

Specifically, the first bearing chamber and the second bearing chamber are both provided with a mounting plate and a plurality of supporting pieces; the bearing mounting port is arranged on the mounting plate, one end of each support piece is connected with the inner wall of the first bearing chamber or the second bearing chamber, the other end of each support piece is connected with the mounting plate, and the end parts of the support pieces connected with the mounting plate enclose a containing space which is opposite to the bearing mounting port.

The mounting plates are located outside the first and second bearing chambers such that the bearing mounting ports each project outwardly.

The heat dissipation gap is a gap between adjacent supporting pieces and the accommodating space.

The ventilation openings are through holes communicated with the outside between the adjacent supporting pieces.

Compared with the prior art, the utility model has the advantages of as follows and beneficial effect:

1. the utility model discloses high-speed fan can make the rotatory flow of air current and the dispersible amount of wind to reduce high-speed fan's noise.

2. The utility model discloses high-speed fan heat dispersion is good to can effectively improve high-speed fan's rotational speed and power density.

3. The utility model discloses high-speed fan can improve the concentricity of first bearing room and second bearing room to reduce high-speed fan's vibrations and noise.

Drawings

Fig. 1 is a first schematic view of a high-speed fan according to the present invention;

FIG. 2 is a second schematic view of the high-speed fan of the present invention;

fig. 3 is a schematic view of a first casing in the high-speed fan of the present invention;

fig. 4 is a schematic view of a second casing in the high-speed fan of the present invention;

fig. 5 is a first internal schematic view of the high-speed fan of the present invention;

fig. 6 is a second schematic internal view of the high-speed fan of the present invention;

wherein, the first and the second end of the pipe are connected with each other, the structure comprises a first air guide plate 1, a second air guide plate 2, a first casing 3, a second casing 4, a first bearing chamber 5, a first air duct 6, a second bearing chamber 7, a second air duct 8, a mounting plate 9, a support member 10, a heat dissipation gap 11, a ventilation opening 12, a bearing mounting opening 13, a first bearing 15, a second bearing 16, a rotating shaft 17, a magnetic ring 18, a stator core 19 and fan blades 20.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Examples

As shown in fig. 1 to 6, the high-speed fan of the present invention includes a casing, a first wind-guiding plate 1 and a second wind-guiding plate 2, wherein the casing is formed by connecting a first casing 3 and a second casing 4, the first casing 3 is provided with a first bearing chamber 5, the first wind-guiding plate 1 is obliquely arranged between the first casing 3 and the first bearing chamber 5, so that an oblique first wind channel 6 is formed between the first casing 3 and the first bearing chamber 5; the second housing 4 is provided with a second bearing chamber 7, the second air guiding sheet 2 is obliquely arranged between the second housing 4 and the second bearing chamber 7, so that an oblique second air duct 8 is formed between the second housing 4 and the second bearing chamber 7, and the first air duct 6 is communicated with the second air duct 8 to form an air flow channel.

Specifically, the first air duct 6 and the second air duct 8 are arranged in a staggered manner, and both the inclination angle of the first air guiding sheet 1 obliquely arranged on the first housing 3 and the inclination angle of the second air guiding sheet 2 obliquely arranged on the second housing 4 are 30-50 degrees. The first air guiding sheets 1 are uniformly distributed along the circumferential direction of the outer wall of the first bearing chamber 5, and the second air guiding sheets 2 are uniformly distributed along the circumferential direction of the outer wall of the second bearing chamber 7.

The utility model discloses a first bearing room 5 and second bearing room 7 all are provided with the radiating heat dissipation clearance 11 of the bearing of being convenient for and the inside radiating vent 12 of being convenient for, and in addition, the bearing installing port 13 of first bearing room 5 and second bearing room 7 all protrudes to the outside. Specifically speaking, the utility model discloses a first bearing room 5 and second bearing room 7 all are provided with mounting panel 9 and a plurality of support piece 10, and bearing installing port 13 sets up on mounting panel 9, and a plurality of support piece 10's one end and the interior wall connection of first bearing room 5 or second bearing room 7, the other end are connected with mounting panel 9, and the tip that a plurality of support piece 10 and mounting panel 9 are connected encloses into accommodation space, and accommodation space is relative with bearing installing port 13.

Wherein the mounting plate 9 is located outside the first bearing chamber 5 and the second bearing chamber 7 such that the bearing mounting openings 13 each protrude to the outside. The design makes first bearing room 5 and second bearing room 7 can adopt the concentricity positioning jig to carry out the location processing to improve the concentricity of first bearing room 5 and second bearing room 7, with the vibrations and the noise that reduce high-speed fan. The utility model discloses a heat dissipation clearance 11 is between the adjacent support piece 10 and accommodation space's clearance. When the high-speed fan works, high-speed wind can flow through the bearing by the design, the heat of the bearing is dissipated along with the high-speed wind, the heat dissipation effect can be improved, the rotating speed of the bearing can be increased, and the rotating speed of the high-speed fan is increased. And the ventilation openings 12 are through holes communicating with the outside between the adjacent supports 10. The utility model discloses a first bearing room 5 and second bearing room 7 are the both ends tip that is located high-speed fan, and open at the both ends tip has vent 12, and vent 12 can be so that high-speed fan's air current circulates to make the inside radiating effect of high-speed wind that reaches of high-speed fan, effectively reduced inside temperature rise, thereby can improve high-speed fan's power density.

The utility model discloses a high-speed fan still includes first bearing 15, second bearing 16, pivot 17, magnetic ring 18, stator core 19, winding coil (not shown in the figure) and flabellum 20, and wherein, mounting panel 9 and accommodation space in first bearing room 5 are installed to first bearing 15, and mounting panel 9 and accommodation space in second bearing room 7 are installed to second bearing 16, and pivot 17 is connected with first bearing 15 and second bearing 16 respectively. The fan 20 is disposed on the rotating shaft 17 and located at a side of the first air duct 6 away from the second air duct 7. A magnetic ring 18 is disposed on the shaft 17 between the first bearing 15 and the second bearing 16. A stator core 19 made of magnetic conductive material is arranged outside the magnetic ring 18, and a winding coil is wound on the stator core 19 and is electrically connected with an external driver.

When the high-speed fan works, the driver is powered on, the magnetic ring 18 is driven by the lorentz force of the stator iron core 19 to rotate, and the rotating shaft is driven to rotate, so that the fan blades 20 rotate to generate air flow, and the air flow can sequentially flow out through the first air duct 6 and the second air duct 7. The utility model discloses the first wind channel 6 of tilting and the second wind channel 7 of tilting make the rotatory flow of air current and the dispersible amount of wind to reduce high-speed fan's noise. In addition, the heat dissipation gap 11 allows high-speed wind to flow through the first bearing 15 and the second bearing 16, and heat of the first bearing 15 and the second bearing 16 is dissipated with the high-speed wind, so that the first bearing 15 and the second bearing 16 can increase the rotating speed, and the rotating speed of the high-speed fan is increased. Meanwhile, the vent 12 is arranged, so that the airflow of the high-speed fan can circulate from the vent 12, the heat dissipation effect can be improved, the internal temperature rise is effectively reduced, and the power density of the high-speed fan can be improved.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. A high-speed fan which is characterized in that: the air conditioner comprises a shell, a first air guide sheet and a second air guide sheet; the shell is formed by connecting a first shell and a second shell; the first casing is provided with a first bearing chamber, and the first air guide sheet is obliquely arranged between the first casing and the first bearing chamber, so that an inclined first air channel is formed between the first casing and the first bearing chamber; the second casing is provided with a second bearing chamber, and the second air guide sheet is obliquely arranged between the second casing and the second bearing chamber, so that an oblique second air channel is formed between the second casing and the second bearing chamber; the first air duct and the second air duct are communicated to form an air flow channel.

2. The high-speed fan according to claim 1, wherein: the first air channel and the second air channel are arranged in a staggered mode.

3. The high-speed fan according to claim 1, wherein: the first air guide sheets are uniformly distributed along the circumferential direction of the outer wall of the first bearing chamber; the second air guide sheets are uniformly distributed along the circumferential direction of the outer wall of the second bearing chamber.

4. The high-speed fan according to claim 1, wherein: the first bearing chamber and the second bearing chamber are both provided with heat dissipation gaps facilitating heat dissipation of the bearings.

5. The high-speed fan according to claim 4, wherein: the first bearing chamber and the second bearing chamber are provided with ventilation openings convenient for internal heat dissipation.

6. The high-speed fan according to claim 5, wherein: the bearing mounting openings of the first bearing chamber and the second bearing chamber are protruded towards the outside.

7. The high-speed fan according to claim 6, wherein: the first bearing chamber and the second bearing chamber are both provided with a mounting plate and a plurality of supporting pieces; the bearing mounting port is formed in the mounting plate, one end of each support piece is connected with the inner wall of the first bearing chamber or the inner wall of the second bearing chamber, the other end of each support piece is connected with the mounting plate, and the end portions of the support pieces connected with the mounting plate enclose a containing space which is opposite to the bearing mounting port.

8. The high-speed fan according to claim 7, wherein: the mounting plates are located outside the first and second bearing chambers such that the bearing mounting ports each project outwardly.

9. The high-speed fan according to claim 7, wherein: the heat dissipation gap is a gap between adjacent supporting pieces and the accommodating space.

10. The high-speed fan according to claim 7, wherein: the ventilation openings are through holes communicated with the outside between the adjacent supporting pieces.