CN203642432U - Noise-reduction cabinet volute and cabinet air conditioner - Google Patents
Noise-reduction cabinet volute and cabinet air conditioner Download PDFInfo
- Publication number
- CN203642432U CN203642432U CN201320831725.6U CN201320831725U CN203642432U CN 203642432 U CN203642432 U CN 203642432U CN 201320831725 U CN201320831725 U CN 201320831725U CN 203642432 U CN203642432 U CN 203642432U
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- cabinet
- spiral case
- air conditioner
- noise
- deflector
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 230000009467 reduction Effects 0.000 claims description 15
- 230000007704 transition Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 241000237858 Gastropoda Species 0.000 description 1
- 206010047924 Wheezing Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model provides a noise-reduction cabinet volute and a cabinet air conditioner. The problem that an existing cabinet volute is provided with a guiding plate for air flow stall and easily produces air flow noise can be solved. The arc-shaped guiding plate is arranged at the position of an air flow outlet of the cabinet volute, the guiding plate is located on a base plate of the volute, and guiding concave holes are distributed in at least the outer plate face in oppositely-arranged inner and outer plate faces of the guiding plate. The guiding concave holes are added in the guiding plate in the volute, so that sound wave superposition can be effectively prevented, the noise can be reduced. In addition, certain improvement effect is played on small eddy produced locally, the noise produced by the guiding plate is reduced, the purpose of reducing the whole machine noise is achieved, and the whole machine performance is optimized.
Description
Technical field
The utility model relates to the structure member of air-conditioner, is specifically related to a kind of cabinet-type air conditioner spiral case preventing from reducing in air-flow stall phenomenon from producing pneumatic noise.
Background technology
Cabinet-type air conditioner centrifugal fan is after motor drives, under the effect of spiral case, recover static pressure, because spiral case blower fan top is large to this section of regional gas stream VELOCITY DIFFUSION angle of air outlet, cause pressure to increase fast, part air velocity is unbalance, the speed in this region and circumferential velocity are obviously inconsistent, cause air-flow to have some setbacks, easily form eddy current, be called air-flow stall, air-flow stall meeting make cabinet-type air conditioner spiral case around send " z z z " wheeze or other more ear-piercing sound, be called different sound, different sound is different from general noise, it is more ear-piercing, human body can not be accepted, cause user discontented, numerous and confused complaint complained.
For addressing the above problem, normally set up the deflector of arc at spiral case air outlet place, deflector is connected on spiral case base plate and along air-flow air-out direction and extends, and between its front end and air-flow air-out direction, forms zero-incidence.Can prevent air-flow stall by deflector is set, eliminate different sound.But because air deflector is in spiral case air outlet place, wind speed is higher herein, deflector is set and makes airflow diversion, the large (crushing Pt=a × V of crushing
bwherein a, b are that constant and a, b are all greater than 0, V is windward side speed, so near deflector, the large crushing of wind speed is also high), easily produce sound wave stack at the outer plate surface place of deflector, form eddy current, produce pneumatic noise, although arrange that deflector has been eliminated different sound but the pneumatic noise of its generation can not be ignored, affect cabinet-type air conditioner overall performance.
Utility model content
The utility model provides a kind of noise reduction cabinet-type air conditioner spiral case and cabinet air-conditioner, can solve existing cabinet-type air conditioner spiral case and deflector is set prevents that air-flow stall from easily producing the problem of pneumatic noise.
For reaching the object solving the problems of the technologies described above, the cabinet-type air conditioner spiral case that the utility model proposes is achieved by the following technical solutions: a kind of noise reduction cabinet-type air conditioner spiral case, the air-flow air outlet place of described spiral case is provided with the deflector of arc, described deflector is positioned on the base plate of described spiral case, in the inside and outside plate face that described deflector is oppositely arranged, at least in outer plate surface, is laid with water conservancy diversion shrinkage pool.
In the technical solution of the utility model, also comprise following additional technical feature: the percent opening of described water conservancy diversion shrinkage pool is 20～80%.
The aperture of described water conservancy diversion shrinkage pool is 5～18mm.
The degree of depth of described water conservancy diversion shrinkage pool is 1/10～4/5 of described deflector thickness.
Described water conservancy diversion shrinkage pool is uniformly distributed.
Described water conservancy diversion shrinkage pool is straight hole or inclined hole.
Arc transition between the two ends of described water conservancy diversion shrinkage pool and described deflector.
The utility model has also proposed a kind of cabinet air-conditioner, and above-mentioned noise reduction cabinet-type air conditioner spiral case is installed.
Due near deflector, can produce flow boundary layer air, flow boundary layer air is the one of the main reasons that produces sound wave stack, eddy current and noise, the utility model by setting up water conservancy diversion shrinkage pool on the inner arc deflector of spiral case, air-flow is when the water conservancy diversion shrinkage pool, and the disturbance that can produce a series of different frequencies, reaches the object in attenuate boundary layer, can effectively prevent sound wave stack, reduce noise; Meanwhile, the little eddy current producing for part has some improvement, and reduces the noise being produced by deflector, reaches the object of complete machine noise reduction, has optimized overall performance.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment noise reduction cabinet-type air conditioner spiral case;
Fig. 2 is the structural representation of deflector in the utility model embodiment;
Fig. 3 is the structural representation in the time that the inside and outside plate face of deflector all arranges water conservancy diversion shrinkage pool.
Detailed description of the invention
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
See figures.1.and.2, the present embodiment noise reduction cabinet-type air conditioner spiral case 1, spiral case 1 has base plate 1.1, the side plate 1.2 of base plate 1.1 both sides and by base plate 1.1, the air-flow air outlet 1.3 that the side plate 1.2 of both sides surrounds, air-flow air outlet 1.3 places are provided with the deflector 2 of arc in case locate here air-flow stall, deflector 2 is positioned on base plate 1.1, because deflector 1.3 mainly produces sound wave stack at its outer plate surface place, form eddy current, produce pneumatic noise, for preventing the generation of above-mentioned phenomenon, deflector 2 be oppositely arranged in, outer plate surface 2.2, 2.3 in, at least in its outer plate surface 2.3, be laid with water conservancy diversion shrinkage pool 2.1.In the present embodiment, taking the inner concave of arc deflector 2 as its inner plate surface 2.2, relative another side is outer plate surface 2.3, and the inner concave of the deflector 2 of arc is towards the snail tongue place side of spiral case 1.
The number of water conservancy diversion shrinkage pool 2.1 is according to the different operating modes of spiral case 1 and difference, and in general, its percent opening scope is 20～80%, and concrete numerical value determine according to concrete operating mode, and by evidence, percent opening is advisable with 50%, inhales the best results of loose eddy current, absorption sound wave; Described percent opening is the ratio of single lateral plates (being a plate face in its inside and outside plate face) area of the gross area and the deflector 2 of all water conservancy diversion shrinkage pools 2.1 on deflector 2.
The aperture d of water conservancy diversion shrinkage pool 2.1 is advisable with 5～18mm, and the concrete operating mode of same basis is determined.Meanwhile, its degree of depth is 1/10～4/5 of deflector 2 thickness.
Water conservancy diversion shrinkage pool 2.1 can be uniformly distributed or irregular distribution, to be uniformly distributed as optimum arrangement mode.
Water conservancy diversion shrinkage pool 2.1 is specially straight hole or inclined hole is unrestricted, can be one-body molded with deflector 2.
Windage when water conservancy diversion shrinkage pool 2.1 is taken away eddy current while faling apart for reducing eddy current suction, adopts arc transition between the two ends of water conservancy diversion shrinkage pool 2.1 and deflector 2.
Certainly, also can in the inner plate surface of deflector 2 2.2 and outer plate surface 2.3, water conservancy diversion shrinkage pool 2.1 be all set, as shown in Figure 3, further to strengthen the effect that prevents sound wave stack, the loose eddy current of suction, reduces pneumatic noise.
The present embodiment has also proposed a kind of cabinet air-conditioner, and cabinet-type air conditioner spiral case is installed, and the concrete structure of cabinet-type air conditioner spiral case, referring to the description of embodiment and the accompanying drawing 1 to 3 of the utility model cabinet-type air conditioner spiral case, does not repeat them here.
The above, it is only preferred embodiment of the present utility model, be not the restriction of the utility model being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (8)
1. a noise reduction cabinet-type air conditioner spiral case, the air-flow air outlet place of described spiral case is provided with the deflector of arc, described deflector is positioned on the base plate of described spiral case, it is characterized in that: in the inside and outside plate face that described deflector is oppositely arranged, at least in outer plate surface, be laid with water conservancy diversion shrinkage pool.
2. noise reduction cabinet-type air conditioner spiral case according to claim 1, is characterized in that: the percent opening of described water conservancy diversion shrinkage pool is 20～80%.
3. noise reduction cabinet-type air conditioner spiral case according to claim 1 and 2, is characterized in that: the aperture of described water conservancy diversion shrinkage pool is 5～18mm.
4. noise reduction cabinet-type air conditioner spiral case according to claim 1 and 2, is characterized in that: the degree of depth of described water conservancy diversion shrinkage pool is 1/10～4/5 of described deflector thickness.
5. noise reduction cabinet-type air conditioner spiral case according to claim 1 and 2, is characterized in that: described water conservancy diversion shrinkage pool is uniformly distributed.
6. noise reduction cabinet-type air conditioner spiral case according to claim 1 and 2, is characterized in that: described water conservancy diversion shrinkage pool is straight hole or inclined hole.
7. noise reduction cabinet-type air conditioner spiral case according to claim 1 and 2, is characterized in that: arc transition between the two ends of described water conservancy diversion shrinkage pool and described deflector.
8. a cabinet air-conditioner, is characterized in that: the noise reduction cabinet-type air conditioner spiral case described in claim 1 to 7 any one is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320831725.6U CN203642432U (en) | 2013-12-17 | 2013-12-17 | Noise-reduction cabinet volute and cabinet air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320831725.6U CN203642432U (en) | 2013-12-17 | 2013-12-17 | Noise-reduction cabinet volute and cabinet air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203642432U true CN203642432U (en) | 2014-06-11 |
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ID=50873671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320831725.6U Expired - Lifetime CN203642432U (en) | 2013-12-17 | 2013-12-17 | Noise-reduction cabinet volute and cabinet air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203642432U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435979A (en) * | 2017-08-16 | 2017-12-05 | 珠海格力电器股份有限公司 | Air outlet structure and air conditioner |
| CN107940585A (en) * | 2017-12-26 | 2018-04-20 | 海信（广东）空调有限公司 | Air duct bottom plate structure, air duct device and air conditioner indoor unit |
| CN111022381A (en) * | 2020-01-03 | 2020-04-17 | 宁波方太厨具有限公司 | Flow guide noise reduction device and range hood applying same |
-
2013
- 2013-12-17 CN CN201320831725.6U patent/CN203642432U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435979A (en) * | 2017-08-16 | 2017-12-05 | 珠海格力电器股份有限公司 | Air outlet structure and air conditioner |
| CN107940585A (en) * | 2017-12-26 | 2018-04-20 | 海信（广东）空调有限公司 | Air duct bottom plate structure, air duct device and air conditioner indoor unit |
| CN111022381A (en) * | 2020-01-03 | 2020-04-17 | 宁波方太厨具有限公司 | Flow guide noise reduction device and range hood applying same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |
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| CX01 | Expiry of patent term |