CN111720903A - Air conditioner soundproof cotton and manufacturing method thereof - Google Patents

Air conditioner soundproof cotton and manufacturing method thereof Download PDF

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Publication number
CN111720903A
CN111720903A CN202010620932.1A CN202010620932A CN111720903A CN 111720903 A CN111720903 A CN 111720903A CN 202010620932 A CN202010620932 A CN 202010620932A CN 111720903 A CN111720903 A CN 111720903A
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China
Prior art keywords
soundproof
air conditioner
soundproof cotton
sound
sound absorption
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
Application number
CN202010620932.1A
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Chinese (zh)
Inventor
罗云
王九飙
秦远
陈龙
庄培
秦邦保
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
Zhuhai Gree Green Resources Recycling Co Ltd
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Green Resources Recycling Co Ltd
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Application filed by Gree Electric Appliances Inc of Zhuhai, Zhuhai Gree Green Resources Recycling Co Ltd filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202010620932.1A priority Critical patent/CN111720903A/en
Publication of CN111720903A publication Critical patent/CN111720903A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/40—Vibration or noise prevention at outdoor units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1207—Heat-activated adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials
    • G10K11/168—Plural layers of different materials, e.g. sandwiches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1207—Heat-activated adhesive
    • B32B2037/1215—Hot-melt adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

The invention provides air conditioner soundproof cotton which comprises a soundproof board and a sound absorption layer arranged on the soundproof board, wherein the outer surface of the soundproof board is provided with a groove so that a cavity structure is formed between the sound absorption layer and the soundproof board. According to the air conditioner soundproof cotton provided by the invention, the soundproof plate with the groove on the outer surface is used as the soundproof layer, so that a cavity structure is generated between the sound absorption layer and the soundproof plate, the sound absorption effect is improved, and on the premise of meeting the soundproof effect, the material consumption of the sound absorption layer and the soundproof plate can be reduced, so that the production cost is effectively reduced.

Description

Air conditioner soundproof cotton and manufacturing method thereof
Technical Field
The invention relates to the technical field of sound elimination of an air conditioner outdoor unit, in particular to air conditioner sound-proof cotton and a manufacturing method thereof.
Background
The noise of the outdoor unit of the air conditioner mainly comes from the compressor and the fan, medium and high frequency electromagnetic noise is transmitted when a motor of a compressor body works, medium and low frequency mechanical noise is transmitted when a compressor rotor rotates, and the sound waves of all frequency sections are mutually superposed and radiated outwards in the transmission process. At present, in the technical field of noise elimination of an air conditioner external unit, soundproof cotton is mainly wrapped on a compressor body in a mode of adding soundproof cotton on an air conditioner compressor to prevent sound wave noise from being transmitted.
The PVC soundproof rubber plate that current air conditioner soundproof cotton adopted is plain noodles structure, adopts glue closely to laminate between felt and the offset plate, does not have extra air bed structure, inhales the sound, the syllable-dividing effect is limited.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides air conditioner soundproof cotton and a manufacturing method thereof.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the utility model provides an air conditioner soundproof cotton, includes the acoustic celotex board and arranges the sound absorbing layer on the acoustic celotex board, wherein, is equipped with the recess on the surface of acoustic celotex board and makes to form the cavity structure between sound absorbing layer and the acoustic celotex board.
According to the air conditioner soundproof cotton, the soundproof plate with the groove on the outer surface is used as the soundproof layer, so that a cavity structure is formed between the sound absorption layer and the soundproof plate, the sound absorption effect is improved, and on the premise of meeting the soundproof effect, the material consumption of the sound absorption layer and the soundproof plate can be reduced, so that the production cost is effectively reduced.
With respect to the above technical solution, further improvements as described below can be made.
According to the air conditioner soundproof cotton of the present invention, in a preferred embodiment, grooves are provided on one of the outer surfaces of the soundproof plate.
The air conditioner soundproof cotton with the structure can meet the soundproof effect and save the production and manufacturing cost as much as possible.
Further, in another preferred embodiment, grooves are provided on both outer surfaces of the baffle plate.
The air conditioner soundproof cotton with the structure can greatly improve the soundproof effect of the whole soundproof cotton.
Specifically, in a preferred embodiment, the grooves are evenly spaced on the baffle.
This kind of structural style is guaranteeing to improve under the prerequisite of whole soundproof cotton's the whole effect, can make the area of contact between sound-absorbing layer and the acoustic celotex board distribute evenly to be convenient for the acoustic celotex board and the stable connection between the sound-absorbing layer.
Further, in a preferred embodiment, the grooves are arranged in a grid on the baffle.
The sound insulation board with the structure can ensure stable and reliable connection between the sound insulation board and the sound absorption layer, and can increase the cavity structure between the sound insulation board and the sound absorption layer as much as possible, thereby improving the sound insulation effect to a great extent.
Further, in a preferred embodiment, the depth of the groove is 0.01mm to 2 mm.
The groove structure with the depth can avoid the quiet composite process operation of the sound absorption layer and the sound insulation board from becoming difficult.
Further, in a preferred embodiment, the depth of the groove is 0.1mm to 1 mm.
The groove structure in the depth range can further ensure that the gluing process between the sound absorption layer and the sound insulation board is easy to operate.
Specifically, in a preferred embodiment, the acoustical panel is a PVC rubber panel.
The sound insulation board made of the material has good sound insulation effect and low cost.
In particular, in a preferred embodiment, the sound-absorbing layer is felt or meltblown.
The felt and the melt-blown fabric have good sound absorption effect, and the common sound absorption materials are adopted, so that the production and the manufacture are convenient, and the cost is low.
The manufacturing method of the air conditioner soundproof cotton in the second aspect of the invention comprises the following steps: s01: the sound insulation board with the groove on the outer surface is directly attached to the sound absorption layer by spraying hot melt adhesive or other adhesives. S02: and cutting according to a preset size. S03: and (7) packaging and warehousing.
According to the manufacturing method, the sound insulation board with the groove on the outer surface is adopted, so that a cavity structure is formed between the sound absorption layer and the sound insulation board, the sound absorption effect can be effectively improved, the material consumption of the sound absorption layer and the sound insulation board can be reduced on the premise of meeting the sound insulation effect, and the production cost is effectively reduced.
Compared with the prior art, the invention has the advantages that: make and produce the cavity structure between sound absorbing layer and the acoustic celotex board, improve sound absorbing effect, under the prerequisite that satisfies sound insulating effect, can reduce the material quantity of sound absorbing layer and acoustic celotex board to effective reduction in production cost.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:
FIG. 1 is a view schematically showing the external appearance structure of a soundproof panel according to an embodiment of the invention;
FIG. 2 is a view schematically showing a combined structure of embodiment 1 of the present invention;
fig. 3 schematically shows a combined structure of embodiment 2 of the present invention.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
Detailed Description
The invention will be further explained in detail with reference to the figures and the embodiments without thereby limiting the scope of protection of the invention.
Fig. 1 schematically shows the external appearance structure of a soundproof panel 1 according to an embodiment of the present invention. Fig. 2 schematically shows a combined structure of embodiment 1 of the present invention. Fig. 3 schematically shows a combined structure of embodiment 2 of the present invention.
Example 1
As shown in fig. 1 and 2, an air conditioner soundproof cotton 10 according to an embodiment of the present invention includes a soundproof panel 1 and a sound absorption layer 2 disposed on the soundproof panel 1, wherein a groove 11 is formed on an outer surface of the soundproof panel 1 so that a cavity structure is formed between the sound absorption layer 2 and the soundproof panel 1.
According to the air conditioner soundproof cotton provided by the embodiment of the invention, the soundproof plate with the groove on the outer surface is used as the soundproof layer, so that a cavity structure is generated between the sound absorption layer and the soundproof plate, an air layer is additionally added, which is equivalent to increase of the effective thickness of the sound absorption layer, the noise absorption effect is improved, and on the premise of meeting the soundproof effect, the material consumption of the sound absorption layer and the soundproof plate can be reduced, so that the production cost is effectively reduced.
As shown in fig. 2, it is preferable that, in the present embodiment, the grooves 11 are provided only on one of the outer surfaces of the baffle board 1. The air conditioner soundproof cotton with the structure can meet the soundproof effect and save the production and manufacturing cost as much as possible.
Specifically, as shown in fig. 1, in the present embodiment, the grooves 11 are arranged on the baffle plate 1 at regular intervals. This kind of structural style is guaranteeing to improve under the prerequisite of whole soundproof cotton's the whole effect, can make the area of contact between sound-absorbing layer and the acoustic celotex board distribute evenly to be convenient for the acoustic celotex board and the stable connection between the sound-absorbing layer. Preferably, in this embodiment, the grooves 11 are arranged in a grid on the baffle. The sound insulation board with the structure can ensure stable and reliable connection between the sound insulation board and the sound absorption layer, and can increase the cavity structure between the sound insulation board and the sound absorption layer as much as possible, thereby improving the sound insulation effect to a great extent.
Further, in the present embodiment, the depth of the groove 11 is 0.01mm to 2 mm. The groove structure with the depth can avoid the quiet composite process operation of the sound absorption layer and the sound insulation board from becoming difficult. Further, the depth of the groove is particularly preferably 0.1mm to 1 mm. The groove structure in the depth range can further ensure that the gluing process between the sound absorption layer and the sound insulation board is easy to operate.
Specifically, in the present embodiment, the soundproof plate 1 is a PVC rubber plate. The sound insulation board made of the material has good sound insulation effect and low cost. Specifically, in the present embodiment, the sound absorbing layer 2 is felt or meltblown. The felt and the melt-blown fabric have good sound absorption effect, and the common sound absorption materials are adopted, so that the production and the manufacture are convenient, and the cost is low. In this embodiment, felt is particularly preferred, the thickness of felt is effectively 4mm, and the additional cavity brought by the groove structure on the sound insulation board increases the thickness of the air layer, and is closer to single 1/4 wavelength of sound wave, and the sound absorption effect is improved.
The following is a verification test of the air conditioner sound absorption cotton of the embodiment, which adopts a PVC single-sided grid plate and a PVC optical panel with the groove depth of 0.125mm and the density of 1.97 +/-0.02 g/cm 2:
test conditions Nominal refrigeration Maximum refrigeration Intermediate refrigeration Minimum refrigeration Free running Nominal mean value
PVC material Noise dB Noise dB Noise dB Noise dB Noise dB Noise dB
1.5mm light panel 46.3 46.9 40.0 48.3 48.4 45.98
1.0mm grid plate 45.3 45.7 39.7 47.1 47.7 45.1
Test results show that the 1.0 grid rubber plate with the concave-convex structure has the same sound insulation effect as a smooth rubber plate with the thickness of 1.5 mm.
In addition, the sound insulation cotton is wrapped outside the compressor for noise detection, and the following table is referred to:
Figure BDA0002563000720000041
test results show that by adopting the thin groove surface structure, the reduction range of the sound insulation effect is far smaller than the reduction ratio of the thickness of the PVC rubber plate, and feasible basis is provided for reducing the cost.
The sound insulation rubber plate with the groove structure on the outer surface is used as a sound insulation layer, and compared with a smooth surface sound insulation rubber plate with the same thickness, the sound insulation effect is improved by 10-15%; the sound insulation offset plate that the outward appearance has groove structure is as the puigging, and the outward appearance has groove structure's sound insulation offset plate thickness and plain noodles sound insulation offset plate to compare and can reduce 10% ~ 15% under the prerequisite of guaranteeing to reach equal syllable-dividing effect.
Example 2
As shown in fig. 1 and 3, an air conditioner soundproof cotton 10' according to an embodiment of the present invention includes a soundproof panel 1 and a sound absorbing layer 2 disposed on the soundproof panel 1, wherein a groove 11 is provided on an outer surface of the soundproof panel 1 so that a cavity structure is formed between the sound absorbing layer 2 and the soundproof panel 1. According to the air conditioner soundproof cotton provided by the embodiment of the invention, the soundproof plate with the groove on the outer surface is used as the soundproof layer, so that a cavity structure is generated between the sound absorption layer and the soundproof plate, an air layer is additionally added, which is equivalent to increase of the effective thickness of the sound absorption layer, the noise absorption effect is improved, and on the premise of meeting the soundproof effect, the material consumption of the sound absorption layer and the soundproof plate can be reduced, so that the production cost is effectively reduced.
Preferably, in the present embodiment, the soundproof plate 1 is provided with grooves 11 on both side outer surfaces. The air conditioner soundproof cotton with the structure can greatly improve the soundproof effect of the whole soundproof cotton.
Example 3
The manufacturing method of the air conditioner soundproof cotton provided by the embodiment of the invention comprises the following steps: s01: the sound insulation board with the groove on the outer surface is directly attached to the sound absorption layer by spraying hot melt adhesive or other adhesives. S02: and cutting according to a preset size. S03: and (7) packaging and warehousing. According to the manufacturing method provided by the embodiment of the invention, the sound insulation board with the groove on the outer surface is adopted, so that a cavity structure is formed between the sound absorption layer and the sound insulation board, the sound absorption effect can be effectively improved, the material consumption of the sound absorption layer and the sound insulation board can be reduced on the premise of meeting the sound insulation effect, and the production cost is effectively reduced.
According to the embodiment, the air conditioner soundproof cotton provided by the invention has the advantages that the cavity structure is formed between the sound absorption layer and the soundproof board, the sound absorption effect is improved, and the material consumption of the sound absorption layer and the soundproof board can be reduced on the premise of meeting the soundproof effect, so that the production cost is effectively reduced.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. The utility model provides an air conditioner soundproof cotton, its characterized in that includes the acoustic celotex board and arranges sound absorbing layer on the acoustic celotex board, wherein, be equipped with the recess on the surface of acoustic celotex board and make sound absorbing layer with form the cavity structure between the acoustic celotex board.
2. The soundproof cotton for air conditioners as claimed in claim 1, wherein the soundproof panel is provided with a groove on an outer surface of one side thereof.
3. The soundproof cotton for air conditioners as claimed in claim 1, wherein grooves are provided on both side outer surfaces of the soundproof plate.
4. The air conditioner soundproof cotton of any one of claims 1 to 3, wherein the grooves are arranged on the soundproof plate at regular intervals.
5. The air conditioner soundproof cotton of claim 4, wherein the grooves are arranged on the soundproof plate in a lattice shape.
6. The air conditioner soundproof cotton of any one of claims 1 to 3, wherein the depth of the groove is 0.01mm to 2 mm.
7. The air conditioner soundproof cotton of claim 6, wherein the depth of the groove is 0.1mm to 1 mm.
8. The air conditioner soundproof cotton of any one of claims 1 to 3, wherein the soundproof plate is a PVC rubber plate.
9. The air conditioner soundproof cotton of any one of claims 1 to 3, wherein the sound absorption layer is felt or meltblown.
10. The method for manufacturing the soundproof cotton for the air conditioner according to any one of claims 1 to 9, comprising the steps of:
s01: directly attaching the sound insulation board with the groove on the outer surface to the sound absorption layer by spraying hot melt adhesive or other adhesives;
s02: cutting according to a preset size;
s03: and (7) packaging and warehousing.
CN202010620932.1A 2020-06-30 2020-06-30 Air conditioner soundproof cotton and manufacturing method thereof Pending CN111720903A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114607060A (en) * 2022-03-25 2022-06-10 温州理工学院 Environment-friendly medical acoustic celotex board

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Publication number Priority date Publication date Assignee Title
JP2015169050A (en) * 2014-03-10 2015-09-28 積水化学工業株式会社 Sound absorbing panel and method of manufacturing the same
CN204757185U (en) * 2015-06-08 2015-11-11 广东美的暖通设备有限公司 Soundproof cotton and have this kind of soundproof cotton's air conditioner off -premises station
CN106142768A (en) * 2016-06-28 2016-11-23 海信（山东）空调有限公司 A kind of installation method of Sound-proof material, air-conditioner outdoor unit and sound-insulating structure
CN106801480A (en) * 2017-02-22 2017-06-06 佛山市蓝瑞欧特信息服务有限公司 A kind of sound-absorbing ceramic clad plate
CN110285495A (en) * 2019-06-28 2019-09-27 广东美的制冷设备有限公司 A kind of vibration isolation sound arrester and air-conditioner outdoor unit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015169050A (en) * 2014-03-10 2015-09-28 積水化学工業株式会社 Sound absorbing panel and method of manufacturing the same
CN204757185U (en) * 2015-06-08 2015-11-11 广东美的暖通设备有限公司 Soundproof cotton and have this kind of soundproof cotton's air conditioner off -premises station
CN106142768A (en) * 2016-06-28 2016-11-23 海信（山东）空调有限公司 A kind of installation method of Sound-proof material, air-conditioner outdoor unit and sound-insulating structure
CN106801480A (en) * 2017-02-22 2017-06-06 佛山市蓝瑞欧特信息服务有限公司 A kind of sound-absorbing ceramic clad plate
CN110285495A (en) * 2019-06-28 2019-09-27 广东美的制冷设备有限公司 A kind of vibration isolation sound arrester and air-conditioner outdoor unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114607060A (en) * 2022-03-25 2022-06-10 温州理工学院 Environment-friendly medical acoustic celotex board

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