CN208587323U - Axial flow fan - Google Patents
Axial flow fan Download PDFInfo
- Publication number
- CN208587323U CN208587323U CN201821202881.5U CN201821202881U CN208587323U CN 208587323 U CN208587323 U CN 208587323U CN 201821202881 U CN201821202881 U CN 201821202881U CN 208587323 U CN208587323 U CN 208587323U
- Authority
- CN
- China
- Prior art keywords
- axial flow
- baffle liner
- fan blade
- flow blower
- blower according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000463 material Substances 0.000 claims description 19
- 230000004308 accommodation Effects 0.000 claims description 6
- 239000011490 mineral wool Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an axial fan, include: the fan comprises a motor, fan blades and a flow guide ring, wherein the first ends of the fan blades are connected with the output part of the motor, and the second ends of the fan blades are fixedly connected with the flow guide ring. The utility model discloses with fan blade and water conservancy diversion circle integrated design, promoted the terminal rigidity of fan blade, including the fixed effect of the first end of fan blade, the vibration amplitude that produces when having reduced the fan blade and flowing air friction to reduce fan operating noise, promoted user experience and comfort.
Description
Technical field
The utility model relates to blower technical fields, in particular to a kind of axial flow blower.
Background technique
Axial flow blower uses widely in the fields such as air-conditioning, ventilation, but because its properity characteristic and installation
Mode is difficult to increase silencing means, therefore the noise problem of axial flow blower needs to seek new solution.
Utility model content
A kind of axial flow blower is provided in the utility model embodiment, to solve the problems, such as that noise of axial flow fan is big.
To achieve the above object, the utility model embodiment provides a kind of axial flow blower, comprising: motor, fan blade and water conservancy diversion
Circle, the first end of the fan blade are connect with the output section of the motor, the second end of the fan blade and the fixed company of the baffle liner
It connects.
Preferably, the baffle liner is provided with noise-reducing structure in the side of its air side far from the fan blade.
Preferably, the noise-reducing structure includes the quieter material being set in the circumferential side wall of the baffle liner.
Preferably, the noise-reducing structure further includes muffling hole plate, and the muffling hole plate is connect with the inner wall of the baffle liner,
The quieter material is set in the accommodation space that the muffling hole plate and the baffle liner are surrounded.
Preferably, the quieter material is mineral wool.
Preferably, the circumferential side wall of the baffle liner corresponded at the quieter material protrudes outward and is formed as cyclic annular
Male part, the accommodation space is formed between the male part and the muffling hole plate.
Preferably, the muffling hole plate is annular in shape.
Preferably, the main cross-sectional diameter of the air circulation of the baffle liner is D1, the cross section of the muffling hole plate
Diameter is D2, then D1 < D2.
Preferably, the maximum cross section diameter of the baffle liner is D3, then D2 < D3.
Preferably, the second end of the fan blade and the baffle liner are welded or are integrally formed.
Fan blade and baffle liner integrated design are improved the rigidity of fan blade end by the utility model, in addition fan blade first
Fixed effect is held, the vibration amplitude generated when fan blade and moving air friction is reduced, so that fan operation noise is reduced,
The user experience is improved and comfort.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model embodiment；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the A-A cross-sectional view of Fig. 2；
Fig. 4 is the variable cross-section principle of noise reduction diagram of the utility model embodiment.
Description of symbols: 1, motor；2, fan blade；3, baffle liner；4, quieter material；5, muffling hole plate；6, male part；7,
First amplification section；8, the second amplification section.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as practical to this
Novel restriction.
Axial flow blower is mainly made of motor, fan blade, baffle liner, it is found by the applicant that currently used axial flow blower all will
These three main components are separately assembled, and can thus make fan blade is a cantilever beam structure, i.e., only fix in fan blade root,
The fan blade other end (referred to as end) is vacant state.Therefore, when fan operation, the flow direction of air can be along fan blade root
The air of terminad flowing, fan blade and flowing generates friction, causes the Oscillation Amplitude of fan blade end will increase, to improve wind
The running noises of machine.
The studies above achievement based on applicant, the utility model have obtained the noise source of axial flow blower, propose to use group
Close the scheme of noise reduction.
For this purpose, the utility model embodiment provides a kind of axial flow blower, comprising: motor 1, fan blade 2 and baffle liner 3, it is described
The first end of fan blade 2 is connect with the output section of the motor 1, and the second end of the fan blade 2 is fixedly connected with the baffle liner 3.
Motor 1 preferably uses external rotor electric machine.
Please refer to figs. 1 to 4, and in the above-mentioned technical solutions, the utility model is by fan blade and baffle liner integrated design, example
Such as by the first end of four fan blades 2 of axial flow blower and 1 firm welding of motor, end and the baffle liner 3 of fan blade 2 are also made of one
Change design (for example, welding or integrally formed technique can be used), the end of four fan blades 2 is fixed on one by baffle liner 3
It rises, improves the rigidity of fan blade end, in addition the effect that 2 first end of fan blade is fixed, when reducing fan blade 2 and moving air friction
The vibration amplitude of generation, to reduce fan operation noise, the user experience is improved and comfort.
In addition, the integrated design of baffle liner 3 and fan blade 2, eliminates the fixation of baffle liner 3, it is only necessary to directly to motor 1
Motor shaft to carry out installation fixed, facilitate the assembling and assembly of axial flow blower.
Other than above-mentioned integrated design, the application has also carried out noise-reducing design to baffle liner.In one embodiment,
Preferably, the baffle liner 3 is provided with noise-reducing structure in the side of its air side far from the fan blade 2.In this way, passing through noise reduction
Structure can eliminate a part of wind noise.
Preferably, the noise-reducing structure includes the quieter material 4 being set in the circumferential side wall of the baffle liner 3.It is preferred that
Ground, the quieter material 4 is mineral wool.When air flows through noise-reducing structure, wind, which is made an uproar, to be absorbed by acoustical cotton, to reduce axis
The wind noise of flow fan.
It is highly preferred that the noise-reducing structure further includes muffling hole plate 5, the inner wall of the muffling hole plate 5 and the baffle liner 3
Connection, the quieter material 4 are set in the accommodation space that the muffling hole plate 5 is surrounded with the baffle liner 3.Preferably,
The muffling hole plate 5 is annular in shape.In this way, the fixation to quieter material 4 can be realized by muffling hole plate 5, when air flows through the section
When, wind, which is made an uproar, to be absorbed through muffling hole plate 5 by quieter material 4, to reduce the wind noise of axial flow blower.
Preferably, the circumferential side wall of the baffle liner 3 corresponded at the quieter material 4 protrudes outward and is formed as ring
The male part 6 of shape forms the accommodation space between the male part 6 and the muffling hole plate 5.Pass through this raised type structure
Design, provides space and convenience for the installation settings of quieter material 4, and can accommodate more quieter material.Male part 6
Outside can be formed as arc.
Other than carrying out noise reduction using above-mentioned quieter material, the utility model additionally uses variable cross-section hygrechema.In a reality
It applies in example, it is preferable that the main cross-sectional diameter of the air circulation of the baffle liner 3 is D1, the cross section of the muffling hole plate 5
Diameter is D2, then D1 < D2.As shown in Figures 3 and 4, when air flows through noise reduction section, the first amplification section 7 (D2) is encountered, using putting
Big section reduces the principle of noise, realizes first time noise reduction.Wherein, the arrow in Fig. 4 shows the direction of air flowing.
It is further preferred that the maximum cross section diameter of the baffle liner 3 is D3, then D2 < D3.In this way, such as the institute of Fig. 3 and 4
Show, when air, which continues flowing, exports (i.e. horn mouth, D3) up to flowing through baffle liner, encounters the second amplification section 8, realize second
Secondary noise reduction.By noise reduction twice, noise reduction effect is further improved.
It certainly, is preferred embodiments of the present invention above.It should be pointed out that for the ordinary skill of the art
For personnel, under the premise of not departing from the utility model basic principle, several improvements and modifications can also be made, these improvement
Also it is considered as the protection scope of the utility model with retouching.
Claims (10)
1. a kind of axial flow blower characterized by comprising motor (1), fan blade (2) and baffle liner (3), the of the fan blade (2)
One end is connect with the output section of the motor (1), and the second end of the fan blade (2) is fixedly connected with the baffle liner (3).
2. axial flow blower according to claim 1, which is characterized in that the baffle liner (3) is at it far from the fan blade (2)
The side of air side be provided with noise-reducing structure.
3. axial flow blower according to claim 2, which is characterized in that the noise-reducing structure includes being set to the baffle liner
(3) quieter material (4) in circumferential side wall.
4. axial flow blower according to claim 3, which is characterized in that the noise-reducing structure further includes muffling hole plate (5), institute
Muffling hole plate (5) is stated to connect with the inner wall of the baffle liner (3), the quieter material (4) be set to the muffling hole plate (5) with
In the accommodation space that the baffle liner (3) is surrounded.
5. axial flow blower according to claim 3, which is characterized in that the quieter material (4) is mineral wool.
6. axial flow blower according to claim 4, which is characterized in that the baffle liner (3) corresponds to the noise reduction material
Circumferential side wall at material (4) protrudes outward and is formed as cricoid male part (6), the male part (6) and the muffling hole plate
(5) accommodation space is formed between.
7. axial flow blower according to claim 4, which is characterized in that the muffling hole plate (5) is annular in shape.
8. axial flow blower according to claim 6, which is characterized in that the main cross of the air circulation of the baffle liner (3)
Diameter of section is D1, and the cross-sectional diameter of the muffling hole plate (5) is D2, then D1 < D2.
9. axial flow blower according to claim 8, which is characterized in that the maximum cross section diameter of the baffle liner (3) is
D3, then D2 < D3.
10. axial flow blower according to claim 1, which is characterized in that the second end of the fan blade (2) and the baffle liner
(3) it welds or is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821202881.5U CN208587323U (en) | 2018-07-26 | 2018-07-26 | Axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821202881.5U CN208587323U (en) | 2018-07-26 | 2018-07-26 | Axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208587323U true CN208587323U (en) | 2019-03-08 |
Family
ID=65541513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821202881.5U Active CN208587323U (en) | 2018-07-26 | 2018-07-26 | Axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208587323U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869361A (en) * | 2018-07-26 | 2018-11-23 | 珠海格力电器股份有限公司 | Axial flow fan |
-
2018
- 2018-07-26 CN CN201821202881.5U patent/CN208587323U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869361A (en) * | 2018-07-26 | 2018-11-23 | 珠海格力电器股份有限公司 | Axial flow fan |
| CN108869361B (en) * | 2018-07-26 | 2023-12-26 | 珠海格力电器股份有限公司 | Axial flow fan |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |