CN205908520U - Spiral case, fan and air conditioning equipment - Google Patents
Spiral case, fan and air conditioning equipment Download PDFInfo
- Publication number
- CN205908520U CN205908520U CN201620836220.2U CN201620836220U CN205908520U CN 205908520 U CN205908520 U CN 205908520U CN 201620836220 U CN201620836220 U CN 201620836220U CN 205908520 U CN205908520 U CN 205908520U
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- spiral case
- inner panel
- absorbent treatment
- noise
- utility
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Abstract
The utility model relates to a fan field provides a spiral case, fan and air conditioning equipment, wherein, spiral case (100) include along bounding wall (10) that the spiral case gradually bursts at the seams and extends, the bounding wall is bilayer structure and includes inner panel (11) and planking (12), the inboard of planking is provided with noise -absorbing layer (13), noise -absorbing layer with it has cavity (14) to prescribe a limit to between the inner panel. When the air current impactes the inner panel and make the inner panel take place the vibration, the vibration will be transmitted to noise -absorbing layer through the cavity to energy consumption takes place. The noise can show the vibration that the planking was finally transmitted in the reduction that lands through above -mentioned energy consumption to effectively reduce the noise in the spiral case.
Description
Technical field
This utility model is related to blower fan technical field, the blower fan particularly to a kind of spiral case and including this spiral case and air-conditioning
Equipment.
Background technology
In the air-conditioning equipment needing good muting function, fan noise is always the main of consumer experience feedback complaint
Problem.There are various noises in blower fan, wherein, especially can produce larger noise in spiral case in use.
Because air flows under the guiding of impeller in the spiral case with special molded line, air-flow leads to the shock of spiral case
The spiral case of thin-walled vibrates, and then produces larger noise.In addition, air quantity is bigger, the air motion in spiral case is more violent, on
State noise also bigger.
Therefore, the larger problem of spiral case noise urgently to be resolved hurrily in prior art.
Utility model content
In view of this, this utility model is directed to a kind of spiral case, to reduce the noise producing because of spiral case vibration.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that
This utility model provides a kind of spiral case, and wherein, described spiral case includes the coaming plate extending along spiral case involute, described encloses
Plate is double-decker include inner panel and outside plate, and the inner side of described outside plate is provided with absorbent treatment, described absorbent treatment and described inner panel
Between define cavity.
Preferably, described absorbent treatment includes porous fibrous structure.
Preferably, described absorbent treatment is homosphere.
Preferably, described absorbent treatment is spongy layer.
Preferably, the thickness of described spongy layer is h, and the distance of described inner panel to described spongy layer is d, wherein: 2/3h≤d
≤1.5h.
Preferably, h is 5-12mm.
Preferably, described spiral case includes main body, and described main body includes described coaming plate and is arranged on described coaming plate both sides
Front and rear panels.
Preferably, described main body is integrated part.
This utility model also provides a kind of blower fan, and wherein, described blower fan includes spiral case of the present utility model.
This utility model also provides a kind of air-conditioning equipment, and wherein, described air-conditioning equipment includes blower fan of the present utility model.
By technique scheme, when airflow strikes inner panel and when making inner panel vibrate (i.e. noise), vibration will be passed through
Cavity is transferred to absorbent treatment, and this vibration is occurring loss through during cavity and consuming through during absorbent treatment
Dissipate, reduce energy.In addition, when vibration reaches absorbent treatment through cavity, absorbent treatment makes another by allowing partial vibration to enter
Part vibration returns towards inner panel, and this partial vibration returning will by inner panel again towards absorbent treatment return so that portion
Divide and vibrate between inner panel and absorbent treatment repeatedly back and forth, and thus repeatedly pass through cavity, thus creating more in the cavities
Loss.Noise, through above-mentioned energy expenditure, can significantly decrease the vibration being eventually transferred to outside plate, thus effectively reducing spiral case
Interior noise.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Brief description
The accompanying drawing constituting a part of the present utility model is used for providing further understanding to of the present utility model, and this practicality is new
The schematic description and description of type is used for explaining this utility model, does not constitute to improper restriction of the present utility model.?
In accompanying drawing:
Fig. 1 is a kind of front view of embodiment of spiral case of the present utility model；
Fig. 2 is the sectional view that a-a line intercepts along along Fig. 1.
Description of reference numerals:
100- spiral case, 10- coaming plate, 11- inner panel, 12- outside plate, 13- absorbent treatment, 14- cavity, 20- header board, 30- back plate.
Specific embodiment
In utility model, in the case of illustrating on the contrary, the noun of locality such as " upper and lower, left and right " of use is typically
Refer to the upper and lower, left and right shown in refer to the attached drawing；" inside and outside " refers to inside and outside with respect to each part profile of itself.In addition,
" multiple " being previously mentioned in this utility model, refer at least two, including two and two or more.
To describe this utility model in detail below with reference to the accompanying drawings and with reference to embodiment.
According to one side of the present utility model, provide a kind of spiral case, wherein, described spiral case 100 includes gradually opening along spiral case
The coaming plate 10 that line extends, described coaming plate 10 is double-decker and includes inner panel 11 and outside plate 12, the inner side setting of described outside plate 12
There is absorbent treatment 13, between described absorbent treatment 13 and described inner panel 11, define cavity 14.
Using spiral case 100 of the present utility model, when airflow strikes inner panel 11 and when making inner panel 11 vibrate (i.e. noise),
Vibration will be transferred to absorbent treatment 13 by cavity 14, and this vibration is there occurs loss through during cavity 14, and is passing through
Dissipate during absorbent treatment 13, reduce energy.In addition, when vibration reaches absorbent treatment 13 through cavity 14, sound absorption
Layer 13 makes another part vibrate to return towards inner panel 11 by allowing partial vibration to enter, and this partial vibration returning will be by
Inner panel 11 return again towards absorbent treatment 13 so that partial vibration between inner panel 11 and absorbent treatment 13 repeatedly back and forth, and thus
Repeatedly pass through cavity 14, thus creating more losses in cavity 14.Noise, can be significantly through above-mentioned energy expenditure
Reduce the vibration being eventually transferred to outside plate 12, thus effectively reducing the noise in spiral case 100.
In this utility model, absorbent treatment 13 is used for unrestrained anti-to producing through the vibration that cavity 14 passes over from inner panel 11
Penetrate so that vibration can between inner panel 11 and absorbent treatment 13 multiple reflections dissipation energy.Wherein, absorbent treatment 13 can be each
Plant suitable form and structure, as long as can be to dissipation of vibrations to reduce its energy, to produce sound-absorbing effect.
Wherein, described absorbent treatment 13 can pass through energy conversion consumption acoustic energy.Specifically, acoustic energy (energy vibrating) can
To be converted into various energy, such as heat energy.For this reason, preferably, absorbent treatment 13 can include porous fibrous structure (such as fabric),
So that the vibration reaching absorbent treatment 13 can be entered in absorbent treatment 13 by the hole on porous fibrous structure, and the resistance in fiber
Under hindering, kinetic energy is passed to fiber, fiber can produce motion after obtaining kinetic energy and occur friction to be converted to heat energy each other, thus
Dissipation acoustic energy is changed by this energy.
Preferably, described absorbent treatment 13 is homosphere, i.e. continuously have sound absorption work(in the whole thickness of absorbent treatment 13
Energy.Wherein it is possible to select various suitable materials, as long as good diffuse-reflectance effect can be provided.And, according to institute's selection
Absorbent treatment 13 can be fixed on outside plate 12 in the way of selection is suitable by matter.
Preferably, described absorbent treatment 13 can be spongy layer.Thus, on the one hand can be unrestrained good using spongy layer offer
Sound absorption function, on the other hand can be conducted oneself with dignity with mitigating and be easy to be fixed on outside plate 12 by modes such as bondings.
In addition, being found according to the test of many times of inventor of the present utility model, the thickness h of spongy layer and inner panel 11 arrive sponge
Layer apart from d (i.e. the height of cavity) in particular range, using the teaching of the invention it is possible to provide optimal noise reduction.Preferably, 2/3h≤d≤
1.5h.
Additionally, inventor have studied the relation between the thickness h of spongy layer and the work efficiency of spiral case, and demonstrate,proved by test
Bright, when h is for 5-12mm, noise reduction and the best match of spiral case work efficiency can be taken into account.
In addition, as depicted in figs. 1 and 2, spiral case 100 includes main body, and described main body includes described coaming plate 10 and is arranged on
The header board 20 of described coaming plate 10 both sides and back plate 30.Wherein, as needed, main body can be split-type structural, that is, pass through individually
Coaming plate 10, header board 20 and back plate 30 assemble.Preferably, for simplifying structure, described main body can be integrated part.According to master
The material of body, can select suitable molding mode.For example, main body can be for working of plastics it is possible to be one by injection mo(u)lding
Body part.
According to another aspect of the present utility model, provide a kind of blower fan, wherein, described blower fan includes snail of the present utility model
Shell 100.Because spiral case 100 of the present utility model can provide noise reduction, it is little that blower fan of the present utility model also has noise
Advantage.
According to further aspect of the present utility model, provide a kind of air-conditioning equipment, wherein, described air-conditioning equipment includes this practicality
New blower fan, thus have good muting function.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means.In order to avoid unnecessary repetition, this utility model is to each
Plant possible compound mode no longer separately to illustrate.
Additionally, combination in any can also be carried out, as long as it is not disobeyed between various different embodiment of the present utility model
Carry on the back thought of the present utility model, it equally should be considered as content disclosed in the utility model.
Claims (10)
1. a kind of spiral case, it is characterised in that described spiral case (100) includes the coaming plate (10) extending along spiral case involute, described encloses
Plate (10) is double-decker and includes inner panel (11) and outside plate (12), the inner side of described outside plate (12) is provided with absorbent treatment (13),
Cavity (14) is defined between described absorbent treatment (13) and described inner panel (11).
2. spiral case according to claim 1 is it is characterised in that described absorbent treatment (13) includes porous fibrous structure.
3. spiral case according to claim 2 is it is characterised in that described absorbent treatment (13) is homosphere.
4. spiral case according to claim 3 is it is characterised in that described absorbent treatment (13) is spongy layer.
5. it is characterised in that the thickness of described spongy layer is h, described inner panel (11) arrives institute to spiral case according to claim 4
The distance stating spongy layer is d, wherein: 2/3h≤d≤1.5h.
6. spiral case according to claim 5 is it is characterised in that h is 5-12mm.
7. the spiral case according to any one in claim 1-6 is it is characterised in that described spiral case (100) includes main body, institute
State main body and include described coaming plate (10) and the header board (20) being arranged on described coaming plate (10) both sides and back plate (30).
8. spiral case according to claim 7 is it is characterised in that described main body is integrated part.
9. a kind of blower fan is it is characterised in that described blower fan includes the spiral case (100) described in any one in claim 1-8.
10. a kind of air-conditioning equipment is it is characterised in that described air-conditioning equipment includes the blower fan described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620836220.2U CN205908520U (en) | 2016-08-03 | 2016-08-03 | Spiral case, fan and air conditioning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620836220.2U CN205908520U (en) | 2016-08-03 | 2016-08-03 | Spiral case, fan and air conditioning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205908520U true CN205908520U (en) | 2017-01-25 |
Family
ID=57802787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620836220.2U Active CN205908520U (en) | 2016-08-03 | 2016-08-03 | Spiral case, fan and air conditioning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205908520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015101A (en) * | 2016-08-03 | 2016-10-12 | 广东美的制冷设备有限公司 | Volute, fan and air conditioning equipment, |
-
2016
- 2016-08-03 CN CN201620836220.2U patent/CN205908520U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015101A (en) * | 2016-08-03 | 2016-10-12 | 广东美的制冷设备有限公司 | Volute, fan and air conditioning equipment, |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |