CN117685255A - Air conditioner fan spiral case structure of making an uproar falls - Google Patents
Air conditioner fan spiral case structure of making an uproar falls Download PDFInfo
- Publication number
- CN117685255A CN117685255A CN202410043012.6A CN202410043012A CN117685255A CN 117685255 A CN117685255 A CN 117685255A CN 202410043012 A CN202410043012 A CN 202410043012A CN 117685255 A CN117685255 A CN 117685255A
- Authority
- CN
- China
- Prior art keywords
- volute
- side wall
- air conditioner
- mounting plate
- noise reduction
- 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.)
- Pending
Links
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a noise reduction structure of an air conditioner fan volute, which comprises a fan volute (1), wherein the fan volute (1) comprises a first side wall (11); a first buffer structure is arranged on the first side wall (11); and a second buffer structure is arranged at an air outlet of the fan volute (1). The device is provided with the first noise reduction structure which is arranged on the first side wall of the volute, so that the rotating path of vortex in the volute can be changed, the vortex can rotate more uniformly, and the generation of turbulent flow is reduced; meanwhile, the strength of vortex rotation can be reduced, the negative pressure in the volute is reduced, and the occurrence of whistle of the vortex when the vortex passes through the first side wall and the second side wall of the volute is effectively avoided; meanwhile, the second buffer structure is arranged at the air inlet of the volute, the second buffer structure can strengthen the air flow in the volute to guide, the exhaust efficiency is improved, the exhaust path is optimized, the negative pressure in the volute can be effectively reduced, and noise similar to whistle is avoided.
Description
Technical Field
The invention belongs to the technical field of automobile air conditioners, and particularly relates to a volute noise reduction structure of an air conditioner fan.
Background
The air conditioner fan is a power device which drives the turbine to rotate through the motor, and when in operation, air near the turbine also rotates, so that centrifugal motion is generated, and under the blocking action of a fan volute, the centrifugal motion can be converted into fan pressure, and certain air flow is generated. The air flow generated by the rotation of the turbine forms vortex in the volute structure, so that whistle is generated; and the wind pressure in the spiral case is stronger, can produce whistle-like noise when the wind passes through the inner wall surface of fan spiral case, greatly influence user's use experience.
The applicant has found through the search that chinese patent document with publication number CN206889349U discloses a spiral case of making an uproar falls in 2018 1 month 16 days, including spiral case bounding wall, curb plate and first sound subassembly that inhale, the curb plate set up in the both sides of spiral case bounding wall, the top of spiral case bounding wall, curb plate forms the air outlet, the air intake has been seted up on the curb plate, first sound subassembly is located between arbitrary side and the curb plate of spiral case bounding wall.
The device can not realize effectively making an uproar falls to the air conditioner fan spiral case.
Disclosure of Invention
The invention aims to provide an air conditioner fan volute noise reduction structure capable of effectively reducing noise of an air conditioner fan volute.
In order to solve the technical problems, the invention adopts the following technical scheme: the invention comprises a fan volute, wherein the fan volute comprises a first side wall; a first buffer structure is arranged on the first side wall; and a second buffer structure is arranged at an air outlet of the fan volute.
The first buffer structure includes a first flared surface.
The first flaring face is arranged on the side face of the first side wall.
The first flaring surface is of a stepped structure.
The end part of the first flaring surface is provided with a second flaring surface; the second flaring surface is arranged on the side surface of the first side wall and is an inclined surface.
The second buffer structure includes a first mounting plate and a second mounting plate.
The fan volute comprises a second side wall; the first mounting plate is connected with the end part of the first side wall, and the second mounting plate is connected with the end part of the second side wall.
The first mounting plate and the second mounting plate are arranged in a V-shaped inclined manner; one end of the first mounting plate far away from the first side wall and one end of the second mounting plate far away from the second side wall extend outwards respectively.
The fan volute comprises a mounting bottom plate; the mounting bottom plate is connected with the first flaring surface and the second flaring surface respectively.
The mounting bottom plate is provided with a volute air outlet heat dissipation hole; the first side wall and the first mounting plate are arranged on the periphery of the volute air outlet heat dissipation hole.
The beneficial effects of this application are:
the air conditioner motor drives the turbine to rotate, the turbine rotates in the volute to form vortex, and the first buffer structure arranged on the first side wall can change the rotating path of the vortex, so that the airflow rotates more uniformly, and the generation of turbulent flow is reduced; meanwhile, the strength of vortex rotation can be reduced, negative pressure in the volute is reduced, vortex whistle is effectively avoided, and accordingly noise in the volute is reduced.
The air intake of spiral case is equipped with the second buffer structure, can optimize the structure of the air outlet of spiral case, can strengthen to the air current in the spiral case is led, will the air current is led to the air outlet of spiral case, has increased the efficiency of airing exhaust, has optimized the route of airing exhaust, can effectively reduce the inside negative pressure of spiral case, avoids producing the noise of similar whistle sound, effectively promotes user's use experience.
The air conditioner fan volute noise reduction structure is provided with a first noise reduction structure, and the first noise reduction structure is arranged on the first inner wall of the volute, so that the rotating path of vortex in the volute can be changed, the vortex is more uniform in rotation, and the generation of turbulence is reduced; meanwhile, the strength of vortex rotation can be reduced, the negative pressure in the volute is reduced, and the occurrence of whistle of the vortex when the vortex passes through the first inner wall and the second inner wall of the volute is effectively avoided; meanwhile, the air inlet of the volute is provided with a second buffer structure, the second buffer structure can strengthen the air flow in the volute to guide, the exhaust efficiency is improved, the exhaust path is optimized, the negative pressure in the volute can be effectively reduced, and noise similar to whistle is avoided.
Drawings
The invention is described in further detail below with reference to the attached drawing figures, wherein:
fig. 1 is a schematic structural diagram of a noise reduction structure of a volute of an air conditioner fan.
Fig. 2 is a top view of the noise reduction structure of the volute of the air conditioner fan.
Fig. 3 is a schematic diagram of the working state of the noise reduction structure of the volute of the air conditioner fan.
The labels in the above figures are:
marked in the figure as: 1. a fan volute 11, a first side wall 12, a first flaring surface 13, a second flaring surface 14 and a first mounting plate,
2. a second side wall, 21, a second mounting plate,
3. a mounting bottom plate 31, a volute air outlet heat dissipation hole,
4. an impeller.
Detailed Description
The following detailed description of the embodiments of the invention, given by way of example only, is presented in the accompanying drawings to aid those skilled in the art in a more complete, accurate and thorough understanding of the inventive concepts and aspects of the invention, and to facilitate their practice.
The air conditioner fan volute noise reduction structure shown in fig. 1 comprises a fan volute 1, wherein the fan volute 1 comprises a first side wall 11; the first side wall 11 is provided with a first buffer structure; the air outlet of the fan volute 1 is provided with a second buffer structure.
The first noise reduction structure can change the rotating path of the vortex in the volute 1, so that the vortex rotates more uniformly, and the generation of turbulent flow is reduced; meanwhile, the strength of vortex rotation can be reduced, the negative pressure in the volute 1 is reduced, and howling of the vortex when passing through the first side wall 11 and the second side wall 2 of the volute 1 is effectively avoided; the second buffer structure can strengthen the air flow in the spiral case 1 and guide, so that the exhaust efficiency is increased, the exhaust path is optimized, the negative pressure in the spiral case 1 can be effectively reduced, and noise similar to whistle is avoided.
The first cushioning structure includes a first flared surface 12. The first flaring surface 12 can optimize the rotating path of the vortex, so that the airflow rotates more uniformly, and the generation of turbulent flow is reduced; meanwhile, the strength of vortex rotation can be further reduced, so that the negative pressure in the volute 1 is reduced, and squeal generated by airflow vibration is reduced.
The first flare 12 is provided on a side of the first sidewall 11. The first flaring face 12 is annularly arranged along the first sidewall 11; so that the first flaring surface 12 can be matched with the rotation direction of vortex generated by the air conditioner impeller 4; the vortex rotating air duct can be effectively modified, so that the effects of reducing turbulence and uniform gas flow are achieved, and noise generated by the vortex is reduced.
The first flare surface 12 is of a stepped configuration. The first flaring surface 12 is a stepped surface gradually decreasing along the airflow rotation direction, so that the airflow rotation direction can be guided, the vortex air duct is effectively improved, the rotation resistance is reduced, and the negative pressure in the volute 1 is reduced.
The end part of the first flaring surface 12 is provided with a second flaring surface 13; the second flared surface 13 is provided on the side of the first sidewall 11 and is a slope. The second flaring surface 13 is an inclined slope surface, and the slope of the second flaring surface gradually decreases along the air flow rotating direction; the high point of the second flaring surface 13 is connected with the low point of the stepped surface of the first flaring surface 12; the second flaring surface 13 is matched with the first flaring surface 12, and the strength of vortex generated by the air conditioner fan impeller 4 is weakened through changing the air channel of the vortex, so that the wind pressure in the volute 1 is reduced, and the technical effect of reducing the noise of the volute 1 is achieved.
The second cushioning structure includes a first mounting plate 14 and a second mounting plate 21. The first mounting plate 14 and the second mounting plate 21 can change the air duct structure of the air outlet of the volute 1; the air flow in the volute 1 can be strengthened to be guided, the exhaust efficiency is improved, the exhaust path is optimized, the negative pressure in the volute 1 can be effectively reduced, and accordingly noise similar to whistle is avoided.
The fan volute 1 comprises a second side wall 2; the first mounting plate 14 is connected to an end of the first side wall 11 and the second mounting plate 21 is connected to an end of the second side wall 2. The first mounting plate 14 and the second mounting plate 21 extend along the end parts of the first side wall 11 and the second side wall 2, so that an air channel is formed, air flow in the volute 1 can be effectively guided to an air outlet of the volute 1, the air exhaust efficiency is increased, and negative pressure in the housing 1 is reduced.
The first mounting plate 14 and the second mounting plate 21 are arranged in a V-shaped inclined manner; the end of the first mounting plate 14 remote from the first side wall 11 and the end of the second mounting plate 21 remote from the second side wall 2 project outwardly, respectively. The air duct passage formed by the first mounting plate 14 and the second mounting plate 21 is gradually enlarged along the air outlet direction, so that the air outlet quantity can be effectively increased, and the air pressure difference between the inside and the outside of the volute 1 is balanced, thereby achieving the effect of reducing noise.
The fan volute 1 comprises a mounting bottom plate 3; the mounting base plate 3 is connected to a first flared surface 12 and a second flared surface 13, respectively. The mounting baseplate 3 is provided with mounting holes of the turbine 4, so that a mounting position can be provided for the fan turbine 4; the mounting bottom plate 3 and the first flaring surface 12 and the second flaring surface 13 can form an air channel together, and the movement path of air flow in the volute 1 is optimized, so that noise is reduced.
The mounting bottom plate 3 is provided with a volute air outlet radiating hole 31; the first side wall 11 and the first mounting plate 14 are both arranged on the periphery of the volute air outlet heat dissipation hole 31. The first side wall 11 and the first mounting plate 14 separate the volute air outlet heat dissipation hole 31 from the interior of the volute 1, so that noise generated by overlarge flow velocity of air from the volute air outlet heat dissipation hole 31 is effectively avoided.
The specific working procedure of the invention is as follows:
after the air conditioner motor drives the turbine 4 arranged on the mounting bottom plate 3 to start, the turbine 4 rotates in the volute 1 to form vortex, and the first flaring surface 12 and the second flaring surface 13 arranged on the first side wall 11 can change the rotating path of the vortex, so that the airflow rotates more uniformly and the generation of the turbulence is reduced; meanwhile, the strength of vortex rotation can be reduced, and the negative pressure in the volute is reduced.
The first mounting plate 14 and the second mounting plate 21 that become V-arrangement setting can constitute the wind channel passageway, enlarges gradually along the air-out direction, can strengthen the air current to in the spiral case 1 and lead to the air outlet of spiral case 1 with the air current, can effectively increase the air-out volume, balances the inside and outside air pressure difference of spiral case 1 to play noise reduction's effect.
The invention is described above by way of example with reference to the accompanying drawings. It will be clear that the invention is not limited to the embodiments described above. As long as various insubstantial improvements are made using the method concepts and technical solutions of the present invention; or the invention is not improved, and the conception and the technical scheme are directly applied to other occasions and are all within the protection scope of the invention.
Claims (10)
1. The utility model provides a structure of making an uproar falls in air conditioner fan spiral case which characterized in that: the fan comprises a fan volute (1), wherein the fan volute (1) comprises a first side wall (11); a first buffer structure is arranged on the first side wall (11); and a second buffer structure is arranged at an air outlet of the fan volute (1).
2. The air conditioner fan volute noise reduction structure according to claim 1, wherein: the first cushioning structure includes a first flared surface (12).
3. The air conditioner fan volute noise reduction structure according to claim 2, wherein: the first flaring surface (12) is arranged on the side surface of the first side wall (11).
4. The air conditioner fan volute noise reduction structure according to claim 3, wherein: the first flaring surface (12) is of a stepped structure.
5. The air conditioner fan volute noise reduction structure according to claim 4, wherein: the end part of the first flaring surface (12) is provided with a second flaring surface (13); the second flaring surface (13) is arranged on the side surface of the first side wall (11) and is an inclined surface.
6. The air conditioner fan volute noise reduction structure according to claim 5, wherein: the second buffer structure comprises a first mounting plate (14) and a second mounting plate (21).
7. The air conditioner fan volute noise reduction structure according to claim 6, wherein: the fan volute (1) comprises a second side wall (2); the first mounting plate (14) is connected with the end part of the first side wall (11), and the second mounting plate (21) is connected with the end part of the second side wall (2).
8. The air conditioner fan volute noise reduction structure according to claim 7, wherein: the first mounting plate (14) and the second mounting plate (21) are obliquely arranged in a V shape; one end of the first mounting plate (14) far away from the first side wall (11) and one end of the second mounting plate (21) far away from the second side wall (2) respectively extend outwards.
9. The air conditioner fan volute noise reduction structure according to any one of claims 6 to 8, characterized in that: the fan volute (1) comprises a mounting bottom plate (3); the mounting bottom plate (3) is respectively connected with the first flaring surface (12) and the second flaring surface (13).
10. The air conditioner fan volute noise reduction structure according to claim 9, wherein: the mounting bottom plate (3) is provided with a volute air outlet heat dissipation hole (31); the first side wall (11) and the first mounting plate (14) are arranged on the periphery of the volute air outlet heat dissipation hole (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410043012.6A CN117685255A (en) | 2024-01-11 | 2024-01-11 | Air conditioner fan spiral case structure of making an uproar falls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410043012.6A CN117685255A (en) | 2024-01-11 | 2024-01-11 | Air conditioner fan spiral case structure of making an uproar falls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117685255A true CN117685255A (en) | 2024-03-12 |
Family
ID=90130315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410043012.6A Pending CN117685255A (en) | 2024-01-11 | 2024-01-11 | Air conditioner fan spiral case structure of making an uproar falls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117685255A (en) |
-
2024
- 2024-01-11 CN CN202410043012.6A patent/CN117685255A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201535267U (en) | Fan structure of range hood | |
| JPH01302045A (en) | Airconditioner | |
| CN100366918C (en) | Blower fan | |
| CN201588817U (en) | Centrifugal fan for range hood | |
| CN207920915U (en) | Spiral case, wind turbine and gas heater | |
| CN209228714U (en) | A kind of noise abatement aerofoil fan | |
| CN201810588U (en) | Centrifugal fan volute | |
| CN117685255A (en) | Air conditioner fan spiral case structure of making an uproar falls | |
| CN2442142Y (en) | Streamline low noise air conditioner | |
| CN214007551U (en) | Air-out water diversion noise reduction structure of bladeless fan and bladeless fan using same | |
| CN212959185U (en) | Mounting structure of fan and dust catcher of using thereof | |
| CN209041189U (en) | A kind of bladeless fan | |
| CN211474520U (en) | Axial flow wind wheel and air conditioner | |
| CN210623197U (en) | Air inlet structure of centrifugal fan | |
| CN112628179A (en) | Air supply device | |
| CN214465021U (en) | Air duct shell and bladeless fan | |
| CN212959186U (en) | Moving impeller cover body of fan | |
| CN211599061U (en) | Turbo fan and bladeless fan | |
| CN209195763U (en) | A kind of diagonal flow fan | |
| CN219795669U (en) | Silent air duct structure of bladeless fan | |
| CN2327739Y (en) | Acoustic silencer | |
| CN220135708U (en) | Air inlet cover and fresh air module | |
| CN218672574U (en) | Window type air conditioner air duct assembly and window type air conditioner | |
| CN215832232U (en) | Condenser cover of motor home air conditioner | |
| CN218943197U (en) | Noise reduction mechanism of dust collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |