CN203586511U - Silencing structure of air-conditioner and air-conditioner - Google Patents

Silencing structure of air-conditioner and air-conditioner Download PDF

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Publication number
CN203586511U
CN203586511U CN201320594906.1U CN201320594906U CN203586511U CN 203586511 U CN203586511 U CN 203586511U CN 201320594906 U CN201320594906 U CN 201320594906U CN 203586511 U CN203586511 U CN 203586511U
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CN
China
Prior art keywords
noise
air
acoustical panel
conditioner
reducing structure
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.)
Expired - Fee Related
Application number
CN201320594906.1U
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Chinese (zh)
Inventor
程方慰
迟亚玲
夏飞
何伟光
何相萍
范恒毓
李志海
高棋彬
张燕清
赵晓静
冯琴香
陈业成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201320594906.1U priority Critical patent/CN203586511U/en
Application granted granted Critical
Publication of CN203586511U publication Critical patent/CN203586511U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a silencing structure of an air-conditioner. The silencing structure is used at the air outlet of the air-conditioner and comprises silencing plates which are wave-shaped, wherein more than two silencing plates are provided and all arranged in the longitudinal direction, and a channel is formed between two adjacent silencing plates. The invention also relates to an air-conditioner. The silencing structure of the air-conditioner and the air-conditioner have the advantages that the airflow region is divided into a plurality of small regions by the wave-shaped silencing plates arranged longitudinally, direct transmission of noises is prevented through the silencing plates and the noises are reflected multiple times in an air outlet channel, and as a result, the purpose of noise reduction is achieved.

Description

The noise-reducing structure of air-conditioner and air-conditioner
Technical field
The utility model relates to refrigeration ventilation field, relates in particular to a kind of noise-reducing structure and air-conditioner of air-conditioner.
Background technology
The noise elimination structure that existing air conditioner with blower and coiled tube adopts, generally be arranged on return air inlet, the vertical sectional shape of noise elimination structure arrival end and the port of export is bell mouth shape, the longitudinal section of arrival end and the port of export be two back to horn mouth, in the bell mouth shape port of export, be horizontally arranged with cylindrical parts, in order to change air-out wind direction, this noise-reducing structure noise reduction is limited, goes out wind noise higher.
Utility model content
In view of the present situation of prior art, the purpose of this utility model is to provide a kind of noise-reducing structure and air-conditioner of air-conditioner, and flow area is divided into a plurality of little regions, stops the direct projection of noise to spread out of, and reaches and falls low noise object.For achieving the above object, the technical solution of the utility model is as follows:
A noise-reducing structure for air-conditioner, is used in the air outlet place of air-conditioner, comprises acoustical panel, the quantity of described acoustical panel is more than two, two the above acoustical panels all longitudinally arrange, and two adjacent described acoustical panel left and right arrange, and make to form passage between two adjacent described acoustical panels;
Described acoustical panel is multi-fold structure, the cross section undulate of described acoustical panel.
More preferably, the described acoustical panel of multi-fold structure, wherein the cross-section lengths of middle part one folding is greater than the cross-section lengths of each folding of its both sides.
More preferably, the outermost folding in described acoustical panel one end and the outermost folding of the other end are all horizontally disposed with.
More preferably, two adjacent described acoustical panel in the vertical directions are partly overlapping, and the sight line on vertical direction is blocked in described passage.
More preferably, two adjacent described acoustical panels be arranged in parallel.
More preferably, on described acoustical panel, be provided with quieter material.
More preferably, the cross section of described acoustical panel is symmetrical structure.
More preferably, described noise-reducing structure also comprises locating support;
The quantity of described locating support is two, is respectively the first locating support and the second locating support, and one end correspondence of described acoustical panel is arranged on described the first locating support, and other end correspondence is arranged on described the second locating support.
Also relate to a kind of air-conditioner, comprise housing, fan assembly, heat exchanger and noise-reducing structure, described housing is used for holding described fan assembly, heat exchanger and noise-reducing structure, the noise-reducing structure that described noise-reducing structure is above-mentioned arbitrary technical scheme.
More preferably, described inner walls is provided with quieter material.
The beneficial effects of the utility model are:
The noise-reducing structure of air-conditioner of the present utility model and air-conditioner, by the waveform acoustical panel of longitudinal setting, flow area is divided into a plurality of little regions, allow in the air-out passage of noise between acoustical panel and carry out multiple reflections, by acoustical panel, stop the direct projection of noise to spread out of, reach and fall low noise object.
Accompanying drawing explanation
The perspective view of a kind of muffler assembly that Fig. 1 provides for the utility model embodiment;
Fig. 2 is that the master of Fig. 1 looks cutaway view;
Fig. 3 is the half sectional view of overlooking of Fig. 1;
The structural representation of the fan coil that Fig. 4 provides for the utility model embodiment.
In upper Fig. 1-4:
The direction of arrow refers to airflow direction;
1 housing; 2 noise-reducing structures; 10 first locating supports; 11 second locating supports; 12 acoustical panels; 13 quieter materials; 3 heat exchangers; 4 fan assemblies.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the noise-reducing structure of air-conditioner of the present utility model and air-conditioner are further elaborated.Should be appreciated that specific embodiment described herein is only for explaining the utility model, and be not used in restriction the utility model.
With reference to Fig. 4, air-conditioner one embodiment of the present utility model comprises housing 1, fan assembly 4, heat exchanger 3 and noise-reducing structure 2, housing 1 is for holding fan assembly 4, heat exchanger 3 and noise-reducing structure 2, noise-reducing structure 2 is arranged on the air outlet place of air-conditioner, in Fig. 4, the direction of arrow represents the flow direction of air-flow, air-flow enters housing 1 from fan assembly 4, from noise-reducing structure 2, flows out housing 1.
Referring to figs. 1 through Fig. 4, the noise-reducing structure 2 of air-conditioner of the present utility model comprises acoustical panel 12, and acoustical panel 12 is multi-fold structure, makes the cross section undulate of acoustical panel 12; The quantity of acoustical panel 12 is more than two, and two above acoustical panels 12 all longitudinally arrange, and adjacent two acoustical panels, 12 left and right arrange, and make to form air-supply passage between two adjacent acoustical panels 12.Preferably, acoustical panel 12 is made by metal material, the preferred sheet metal component of acoustical panel 12.By the waveform acoustical panel 12 of longitudinal setting, flow area is divided into a plurality of little regions, allow in the passage of noise between acoustical panel 12 and carry out multiple reflections, by acoustical panel 12, stop the direct projection of noises to spread out of, reach and fall low noise object.
More preferably, as a kind of embodiment, the acoustical panel 12 of multi-fold structure, wherein the cross-section lengths of middle part one folding is greater than the cross-section lengths of each folding of its both sides.Preferably, the outermost folding in acoustical panel 12 one end and the outermost folding of the other end are all horizontally disposed with.Acoustical panel 12 is 5 foldings, and wherein middle part one folding just becomes a middle folding, and certainly, the broken number of acoustical panel 12 also can be even number.The cross-section lengths of acoustical panel 12 middle part one foldings is greater than the cross-section lengths of each folding of its both sides, has increased the refraction number of times of noise in passage, reduces noise; The outermost folding in acoustical panel 12 one end and the outermost folding of the other end are all horizontally disposed with, and convenient installation fixed, and the air-flow of passage turnover is played to guide effect.
More preferably, as a kind of embodiment, two adjacent acoustical panel 12 in the vertical directions are partly overlapping, sight line on vertical direction is blocked in passage, from air-conditioner outside, the air outlet by noise elimination structure vertically looks in, can not see other part outside this noise elimination structure itself of removing of air-conditioner unit the inside, two adjacent acoustical panel 12 in the vertical directions are partly overlapping, noise can not direct projection in passage and is gone out, can only, through repeatedly spreading out of after refraction, make noise attentuation from passage.
On acoustical panel 12, be provided with quieter material 13, quieter material 13 has the material of sound-absorbing effect for sponge, Sound-proof material or other, and preferably, housing 1 inwall is provided with quieter material 13.When air flow stream is crossed this noise elimination structure, quieter material is understood the noise of cancellation part air-flow, reaches the object of noise reduction.
More preferably, noise-reducing structure 2 also comprises locating support, and the quantity of described locating support is two, is respectively the first locating support 10 and the second locating support 11, one end correspondence of acoustical panel 12 is arranged on the first locating support 10, and the other end is arranged on the second locating support 11.Acoustical panel 12 is fixed by screws on described locating support, easy disassembly.
More preferably, as a kind of embodiment, the cross section of acoustical panel 12 is symmetrical structure.Preferably, two adjacent acoustical panels 12 be arranged in parallel.
Adopt the acoustical panel 12 of a plurality of longitudinal settings that flow area is divided into a plurality of little regions, and acoustical panel 12 is done to waviness, improve and wind flow field, stop noise directly to spread out of.The acoustical panel of longitudinal arrangement is divided into a plurality of passages by flow area, noise is when by passage, and partial noise is inner through multiple reflections at air-conditioner unit, cannot spread out of at all, the part that can spread out of is after the repeatedly refraction and reflection of passage, and noise figure also can reduce greatly.
The comparative test result that installs noise elimination structure front and back additional is as shown in the table:
As can be seen from the above table, install after noise elimination structure 2, under equal air quantity, the noise of air-conditioner unit can reduce noise 5-7dB (A), and noise reduction is obvious.
The noise-reducing structure of the air-conditioner of above embodiment and air-conditioner, by the waveform acoustical panel of longitudinal setting, flow area is divided into a plurality of little regions, improve and wind flow field, stop noise directly to spread out of, on acoustical panel and housing, quieter material is set, make to carry out multiple reflections in the air-out passage of noise between quieter material, by deadener, absorb pneumatic noise, and stop the direct projection of noise to spread out of, reach and fall low noise object.The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims (10)

1. a noise-reducing structure for air-conditioner, is used in the air outlet place of air-conditioner, it is characterized in that:
Comprise acoustical panel, the quantity of described acoustical panel is more than two, and two the above acoustical panels all longitudinally arrange, and two adjacent described acoustical panel left and right arrange, and make to form passage between two adjacent described acoustical panels;
Described acoustical panel is multi-fold structure, the cross section undulate of described acoustical panel.
2. noise-reducing structure according to claim 1, is characterized in that:
The described acoustical panel of multi-fold structure, wherein the cross-section lengths of middle part one folding is greater than the cross-section lengths of each folding of its both sides.
3. noise-reducing structure according to claim 2, is characterized in that:
The outermost folding in described acoustical panel one end and the outermost folding of the other end are all horizontally disposed with.
4. noise-reducing structure according to claim 1, is characterized in that:
Two adjacent described acoustical panel in the vertical directions are partly overlapping, and the sight line on vertical direction is blocked in described passage.
5. noise-reducing structure according to claim 4, is characterized in that:
Two adjacent described acoustical panels be arranged in parallel.
6. according to the noise-reducing structure described in claim 1-5 any one, it is characterized in that:
On described acoustical panel, be provided with quieter material.
7. noise-reducing structure according to claim 6, is characterized in that:
The cross section of described acoustical panel is symmetrical structure.
8. noise-reducing structure according to claim 6, is characterized in that:
Also comprise locating support;
The quantity of described locating support is two, is respectively the first locating support and the second locating support, and one end correspondence of described acoustical panel is arranged on described the first locating support, and other end correspondence is arranged on described the second locating support.
9. an air-conditioner, comprises housing, fan assembly, heat exchanger and noise-reducing structure, and described housing is used for holding described fan assembly, heat exchanger and noise-reducing structure, it is characterized in that:
Described noise-reducing structure is the noise-reducing structure described in claim 1-8 any one.
10. air-conditioner according to claim 9, is characterized in that:
Described inner walls is provided with quieter material.
CN201320594906.1U 2013-09-25 2013-09-25 Silencing structure of air-conditioner and air-conditioner Expired - Fee Related CN203586511U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320594906.1U CN203586511U (en) 2013-09-25 2013-09-25 Silencing structure of air-conditioner and air-conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320594906.1U CN203586511U (en) 2013-09-25 2013-09-25 Silencing structure of air-conditioner and air-conditioner

Publications (1)

Publication Number Publication Date
CN203586511U true CN203586511U (en) 2014-05-07

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104456905A (en) * 2013-09-25 2015-03-25 珠海格力电器股份有限公司 Silencing structure of air conditioner and air conditioner
CN108360842A (en) * 2018-01-24 2018-08-03 成都市工业设备安装公司 A method of the noise reduction for building is protected from light gravity-flow ventilation
CN109186069A (en) * 2018-09-27 2019-01-11 珠海格力电器股份有限公司 A kind of silencing means and air conditioner of air-conditioning
CN111059647A (en) * 2019-12-31 2020-04-24 江苏铁鑫能源科技有限公司 Design, planning and installation method of air source and ground source heat pump air conditioning system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104456905A (en) * 2013-09-25 2015-03-25 珠海格力电器股份有限公司 Silencing structure of air conditioner and air conditioner
CN108360842A (en) * 2018-01-24 2018-08-03 成都市工业设备安装公司 A method of the noise reduction for building is protected from light gravity-flow ventilation
CN109186069A (en) * 2018-09-27 2019-01-11 珠海格力电器股份有限公司 A kind of silencing means and air conditioner of air-conditioning
CN111059647A (en) * 2019-12-31 2020-04-24 江苏铁鑫能源科技有限公司 Design, planning and installation method of air source and ground source heat pump air conditioning system
CN111059647B (en) * 2019-12-31 2021-11-26 江苏铁鑫能源科技有限公司 Planning method for air source and ground source heat pump air conditioning system

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140507

Termination date: 20210925