CN107940716A - A kind of wind-guiding grate and air-conditioning - Google Patents
A kind of wind-guiding grate and air-conditioning Download PDFInfo
- Publication number
- CN107940716A CN107940716A CN201711080050.5A CN201711080050A CN107940716A CN 107940716 A CN107940716 A CN 107940716A CN 201711080050 A CN201711080050 A CN 201711080050A CN 107940716 A CN107940716 A CN 107940716A
- Authority
- CN
- China
- Prior art keywords
- air
- wind
- conditioning
- guiding grate
- silencing groove
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/082—Grilles, registers or guards
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention discloses a kind of wind-guiding grate and air-conditioning, is related to apparatus of air conditioning technical field, to solve the problems, such as the larger invention of downward blowing air-cooled ducted air conditioner noise in the prior art.A kind of wind-guiding grate of the present invention, for being arranged at the return air inlet of air-conditioning, including multiple grille strips and installing frame, the grille strip is tilted and is installed on the installing frame, and the upper surface of the grille strip and/or lower surface are equipped with silencing groove.A kind of wind-guiding grate of the present invention is used to guide inlet air or outlet air.
Description
Technical field
The present invention relates to apparatus of air conditioning technical field, more particularly to a kind of wind-guiding grate and air-conditioning.
Background technology
The noise source of air-conditioning has a variety of, and mechanicalness noise and air pertormance noise are divided into from air-flow producing method, its
In, mechanicalness noise is mainly as caused by the vibrations of compressor and wind turbine, and aerodynamic noise is mainly by induction noise, fan blade
Noise, duct noise and air outlet noise etc..
In the relatively low house ornamentation occasion of floor height, the installation of many air-cooled ducted air conditioners is both needed to by the way of lower return air.Transported in air-conditioning
During row, because fan section region be directly facing room, the sound of fan operation can be directly transferred in room, because lower return air inlet distance is used
Family is nearer so that the noise that user receives air-conditioning is larger, than air-cooled ducted air conditioner 5~10dB of high noise of rear air return type, so as to sky
The user experience of tune is poor.
The content of the invention
The embodiment of the present invention provides a kind of wind-guiding grate and air-conditioning, can solve downward blowing air-cooled ducted air conditioner in the prior art and make an uproar
The problem of sound is larger.
To reach above-mentioned purpose, the embodiment of the present invention adopts the following technical scheme that：
A kind of wind-guiding grate, for being arranged at the return air inlet of air-conditioning, including multiple grille strips and installing frame, the grid
Bar is tilted and is installed on the installing frame, and the upper surface of the grille strip and/or lower surface are equipped with silencing groove.
The embodiment of the invention also discloses a kind of air-conditioning, including shell, return air inlet and air outlet are offered on the shell,
Wind-guiding grate described in above-mentioned technical proposal is installed at the return air inlet.
Wind-guiding grate and air-conditioning provided in an embodiment of the present invention, since air-conditioning in return air inlet is provided with wind-guiding grate, and should
The upper surface of grille strip and/or lower surface are equipped with silencing groove in wind-guiding grate, when the sound of fan operation in air-conditioning passes to grid
During bar, silencing groove is by sound reflection, because each grille strip is different to the reflection angle of sound so that the sound meeting after reflection
Cancel out each other, weaken, and when between by grille strip, sound passes through different alternating faces, its propagation angle changes, makes
Cancel out each other between sound, weaken, therefore, the noise spread out of from the return air inlet of air-conditioning (especially downward blowing air-cooled ducted air conditioner) is bright
It is aobvious to reduce, improve user experience.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is one of structure diagram of wind-guiding grate in the embodiment of the present invention；
Fig. 2 is the second structural representation of wind-guiding grate in the embodiment of the present invention；
Fig. 3 is the P portions enlarged drawing of Fig. 2；
Fig. 4 is the Section A-A figure of Fig. 2；
Fig. 5 is the M portions enlarged drawing of Fig. 4；
Fig. 6 is the section B-B figure of Fig. 2；
Fig. 7 is the N portions enlarged drawing of Fig. 6；
Fig. 8 is the structure diagram of air-cooled ducted air conditioner in the embodiment of the present invention；
Fig. 9 is that the return air inlet of air-cooled ducted air conditioner in inventive embodiments does not install the schematic cross-section of wind-guiding grate；
Figure 10 is that the return air inlet of air-cooled ducted air conditioner in inventive embodiments is provided with the schematic cross-section of wind-guiding grate.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
In the description of the present invention, it is to be understood that term " " center ", " on ", " under ", "front", "rear", " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are based on shown in the drawings
Orientation or position relationship, are for only for ease of the description present invention and simplify description, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Wind-guiding grate is a kind of wind guide component for being usually used in the apparatuses of air conditioning such as air-conditioning, air purifier, is generally included
Multiple grid bars and installing frame, multiple grid bars are disposed in an evenly spaced relation in installing frame, and installing frame is fixedly connected with return air inlet, tool
There is the effect such as protection safety and wind-guiding drainage.
Embodiment 1, Fig. 1~3 are a specific embodiment of wind-guiding grate 1 in the embodiment of the present invention, in the present embodiment
Wind-guiding grate 1 is used to be arranged at the return air inlet of air-conditioning, including multiple grille strips 11 and installing frame 12, and grille strip 11 tilts installation
In on installing frame 12, and the upper surface of grille strip 11 and/or lower surface are equipped with silencing groove 111.In addition, multiple grille strips 11 can be put down
Between-line spacing is arranged on above-mentioned installing frame 12.
Wind-guiding grate 1 provided in an embodiment of the present invention is arranged on the return air inlet of air-conditioning, grille strip 11 in the wind-guiding grate 1
Upper surface and/or lower surface are equipped with silencing groove 111, when the sound of fan operation in air-conditioning passes to grille strip 11, silencing groove 111
By sound reflection, because each grille strip 11 is different to the reflection angle of sound so that the sound after reflection can cancel out each other,
Weaken, and sound pass through grille strip 11 between when, sound passes through different alternating faces, its propagation angle changes so that sound
Cancel out each other, weaken between sound, therefore, the noise spread out of from the return air inlet of air-conditioning (especially downward blowing air-cooled ducted air conditioner) substantially drops
It is low, improve user experience.
Alternatively, the shape of above-mentioned silencing groove 111 can be cylinder, cone, spheric etc..Because noise need to pass through entrance
The constantly reflection of silencing groove 111 is so as to obtain the effect of noise reduction, and silencing groove 111 uses spheric, surface area in the embodiment of the present invention
It is larger, and surface is round and smooth, windage is small, excellent noise reduction effect.
In addition, in order to further improve the noise reduction of silencing groove 111, the embodiment of the present invention is at the edge of silencing groove 111
Rounded corner 112 is set, as seen in figures 3-5, improves the round and smooth degree of silencing groove 111 and 11 surface joint of grille strip.
If the radius R of silencing groove 111 is too big, reaching the noise transmission path at this tends to be parallel, and noise reduction is poor；If
The radius R of silencing groove 111 is too small, is mutated by noise transmission path herein, and noise superposition can be produced at the mutation of path, is produced
Abnormal sound and increase noise.It is therefore preferred that the radius R of silencing groove 111 is 3~6 times of the depth D of silencing groove.Reference Fig. 5,
111 radius R of silencing groove is 5 times of 111 depth D of silencing groove in the embodiment of the present invention, produced by the air-conditioning using the wind-guiding grate 1
Noise it is smaller.
Similarly, if silencing groove 111 is too deep, cause that the side wall of silencing groove is too thin, and noise easily penetrates, cause noise reduction compared with
Difference；If silencing groove 111 is too shallow, reaching the noise transmission path at this tends to be parallel, and noise cannot be reduced effectively, just directly
Incoming interior.It is therefore preferred that the depth D of silencing groove 111 is the 1/5~1/3 of the thickness T of grille strip 11.The embodiment of the present invention
The depth D of middle silencing groove 11 is the 1/4 of the thickness T of grille strip 11, to ensure that the air intake efficiency of air-conditioning and noise reduction are preferable.
With reference to shown in Fig. 5, the upper and lower surface of grille strip 11 is equipped with silencing groove 11 in the embodiment of the present invention.It is optional
Ground, has been evenly spaced on multiple silencing grooves 111 on the grid bar 11 on wind-guiding grate 1, per two neighboring silencing groove 111 between
Away from can be equal, can not also wait.Preferably, the spacing during the present invention is implemented per two neighboring silencing groove 111 is equal, such as Fig. 2~7
Shown, the section of silencing groove is in wavy shown in Fig. 5, and each region noise reduction is preferable, and is processed also more convenient.
If what silencing groove 111 was distributed on grid bar 11 is overstocked, the rated wind velocity of grille strip 11 is poor；If disappear on grid bar 11
Sound groove 111 is distributed excessively loose, and the noise reduction of return air inlet is poor, it is therefore preferred that the center of two neighboring silencing groove 111
Value range away from E is 2T≤E≤3T.In addition, with reference to Fig. 3 and Fig. 5, two neighboring silencing groove 111 in the embodiment of the present invention
Centre-to-centre spacing E is 3 times of the thickness T of grille strip 11, to ensure that grille strip 11 has enough structural strength and excellent noise reduction effect.
Similarly, on the basis of ensureing that 11 windage of grille strip is less, the noise reduction of silencing groove 111 is further improved, is disappeared
The value range of the radius r of the edge rounded corner of sound groove 111 is 0.5R≤r≤1.5R.Preferably, disappear in the embodiment of the present invention
The radius r of 111 edge rounded corner of sound groove is equal with the radius R of silencing groove 111, its noise reduction is preferable, wind-guiding grate it is strong
Degree is also higher.
By adjusting the setting angle of grille strip 11 and the spacing of adjacent gate glazing bar 11 in the embodiment of the present invention so that adjacent
Two grille strips 11 installing frame 12 projection in the plane intersect or edge connects, as shown in Figure 2 and Figure 5 so that wind-guiding
For grid 1 when applied to downward blowing air-cooled ducted air conditioner, wind turbine will not region be directly facing user, reduce the operation noise of air-conditioning, improve and use
The comfort level at family.
If the thickness of grille strip 11 is excessive, effective incoming air area of the return air inlet of air-conditioning reduces, and influences air quantity；If grid
The thickness of bar 11 is too small, and the structural strength of wind-guiding grate 1 is relatively low, and antiwind resistance ability is poor.It is therefore preferred that the present invention is implemented
The value range of the thickness T of grille strip 11 is 2~3mm in example.
Alternatively, grille strip 11 and the value range of the angle α of 12 place plane of installing frame are 30 °~45 °, if angle α
It is larger to the air intake resistance of air-conditioning more than 45 °；If angle α is less than 30 °, the various noises in air-conditioning can directly be spread out of so that empty
The noise of tune is larger.Preferably, the angle α of 12 place plane of grille strip 11 and installing frame is 45 ° in the embodiment of the present invention, is such as schemed
Shown in 4.
The embodiment of the present invention further includes a kind of air-conditioning, which includes shell 110, and return air inlet is offered on shell 110
101 and air outlet 102, the wind-guiding grate 1 described in above-mentioned technical proposal is installed, as shown in figs. 8-10 at the return air inlet 101
(arrow show the flow direction of air in figure).Since the wind-guiding grate in the air-conditioning 100 of the present embodiment and above-mentioned are led
The structure provided in each embodiment of style grid is identical, therefore the two can solve identical technical problem, and reaches identical
Expected Results.
Air-conditioning in the embodiment of the present invention can be central air-conditioning or air-cooled ducted air conditioner.By taking air-cooled ducted air conditioner as an example, led when by above-mentioned
When style grid are applied to the air-cooled ducted air conditioner of downward blowing, its excellent noise reduction effect.With reference to Fig. 9~10, offered on the shell of air-cooled ducted air conditioner
Return air inlet and air outlet, are equipped with wind turbine 120, heat exchanger 130 etc. in shell, the installing frame and shell of wind-guiding grate by screw or
The modes such as buckle connect, and installing frame is identical with the shapes and sizes of return air inlet.
In order to further avoid the operation sound of wind turbine from directly directly spreading out of (the especially air hose of downward blowing through grille strip
Machine), by adjusting the setting angle of grille strip in the embodiment of the present invention so that two neighboring grille strip is sitting in plane in installing frame
On projection compare or edge connects, i.e., most of noise is not easy to directly spread out of through return air inlet.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of wind-guiding grate, for being arranged at the return air inlet of air-conditioning, it is characterised in that including multiple grille strips and installation
Frame, the grille strip is tilted and is installed on the installing frame, and the upper surface of the grille strip and/or lower surface are equipped with noise reduction
Groove.
2. wind-guiding grate according to claim 1, it is characterised in that the surface of the silencing groove is sphere.
3. wind-guiding grate according to claim 2, it is characterised in that the edge of the silencing groove is equipped with rounded corner.
4. wind-guiding grate according to claim 1, it is characterised in that the radius of the silencing groove is the depth of the silencing groove
3~6 times of degree.
5. wind-guiding grate according to claim 1, it is characterised in that the depth of the silencing groove is the thickness of the grille strip
The 1/5~1/3 of degree.
6. according to wind-guiding grate according to any one of claims 1 to 5, it is characterised in that uniform intervals on the grid bar
Multiple silencing grooves are distributed with, the centre-to-centre spacing of the two neighboring silencing groove is 2~3 times of the thickness of the grid bar.
7. according to wind-guiding grate according to any one of claims 1 to 5, it is characterised in that the two neighboring grid bar exists
The installing frame projection in the plane intersect or edge connects.
8. wind-guiding grate according to claim 3, it is characterised in that the radius of the edge rounded corner of the silencing groove is
0.5~1.5 times of the radius of the silencing groove.
9. a kind of air-conditioning, including shell, return air inlet and air outlet are offered on the shell, it is characterised in that the return air inlet
Place is provided with the wind-guiding grate any one of the claims 1~8.
10. air-conditioning according to claim 9, it is characterised in that the air-conditioning is air-cooled ducted air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711080050.5A CN107940716A (en) | 2017-11-06 | 2017-11-06 | A kind of wind-guiding grate and air-conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711080050.5A CN107940716A (en) | 2017-11-06 | 2017-11-06 | A kind of wind-guiding grate and air-conditioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107940716A true CN107940716A (en) | 2018-04-20 |
Family
ID=61934468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711080050.5A Pending CN107940716A (en) | 2017-11-06 | 2017-11-06 | A kind of wind-guiding grate and air-conditioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107940716A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917007A (en) * | 2018-09-12 | 2018-11-30 | 珠海格力电器股份有限公司 | Air guide structure and air conditioner with same |
| CN109159882A (en) * | 2018-10-10 | 2019-01-08 | 珠海格力电器股份有限公司 | Noise elimination mixes bellows and air conditioner |
| CN109281853A (en) * | 2018-11-26 | 2019-01-29 | 珠海格力电器股份有限公司 | Tower fan |
| CN111010849A (en) * | 2019-12-05 | 2020-04-14 | 青岛海信电子设备股份有限公司 | Outdoor integrated cabinet |
| CN112160926A (en) * | 2020-11-06 | 2021-01-01 | 广东美的环境电器制造有限公司 | Ceiling fan |
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| US20030098200A1 (en) * | 2001-11-29 | 2003-05-29 | Allied International Corporation | Acoustical absorptive splitter |
| CN201138041Y (en) * | 2007-11-30 | 2008-10-22 | 陈耀乾 | Sound eliminating louver construction |
| CN203068752U (en) * | 2013-01-28 | 2013-07-17 | 广新海事重工股份有限公司 | Ventilation grille with sound-insulation air conditioner |
| CN203489448U (en) * | 2013-09-11 | 2014-03-19 | 珠海格力电器股份有限公司 | Air conditioner |
| CN203518178U (en) * | 2013-09-11 | 2014-04-02 | 珠海格力电器股份有限公司 | Silencer and air duct machine with same |
| CN205876812U (en) * | 2016-08-03 | 2017-01-11 | 广东美的制冷设备有限公司 | Snail tongue, wind channel structure and split air conditioner |
-
2017
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20030098200A1 (en) * | 2001-11-29 | 2003-05-29 | Allied International Corporation | Acoustical absorptive splitter |
| CN201138041Y (en) * | 2007-11-30 | 2008-10-22 | 陈耀乾 | Sound eliminating louver construction |
| CN203068752U (en) * | 2013-01-28 | 2013-07-17 | 广新海事重工股份有限公司 | Ventilation grille with sound-insulation air conditioner |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917007A (en) * | 2018-09-12 | 2018-11-30 | 珠海格力电器股份有限公司 | Air guide structure and air conditioner with same |
| CN108917007B (en) * | 2018-09-12 | 2024-04-26 | 珠海格力电器股份有限公司 | Air guide structure and air conditioner with same |
| CN109159882A (en) * | 2018-10-10 | 2019-01-08 | 珠海格力电器股份有限公司 | Noise elimination mixes bellows and air conditioner |
| CN109281853A (en) * | 2018-11-26 | 2019-01-29 | 珠海格力电器股份有限公司 | Tower fan |
| CN111010849A (en) * | 2019-12-05 | 2020-04-14 | 青岛海信电子设备股份有限公司 | Outdoor integrated cabinet |
| CN111010849B (en) * | 2019-12-05 | 2021-08-27 | 青岛海信电子设备股份有限公司 | Outdoor integrated cabinet |
| CN112160926A (en) * | 2020-11-06 | 2021-01-01 | 广东美的环境电器制造有限公司 | Ceiling fan |
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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 | ||
| CB02 | Change of applicant information |
Address after: 266100 Zhuzhou Road, Laoshan District, Qingdao, Shandong Province, No. 151 Applicant after: Hisense (Shandong) Air-conditioning Co., Ltd. Address before: 266736 Hisense Road 1, South Village Town, Pingdu City, Qingdao, Shandong Applicant before: Hisense (Shandong) Air-conditioning Co., Ltd. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180420 |
|
| RJ01 | Rejection of invention patent application after publication |