CN207741323U - Central air-conditioning intelligence noise reduction system - Google Patents
Central air-conditioning intelligence noise reduction system Download PDFInfo
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- CN207741323U CN207741323U CN201721530038.5U CN201721530038U CN207741323U CN 207741323 U CN207741323 U CN 207741323U CN 201721530038 U CN201721530038 U CN 201721530038U CN 207741323 U CN207741323 U CN 207741323U
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Abstract
The utility model discloses a kind of central air-conditioning intelligence noise reduction system, including the first mounting bracket, the first acoustic element, the second mounting bracket and the second acoustic element；First mounting bracket is installed in outdoor machine of air-conditioner, including the first mounting base and the first installation part, first installation part is pierced by out of outdoor machine of air-conditioner, first acoustic element is installed in the first mounting base, and form the first cavity with the inner wall of outdoor machine of air-conditioner, second mounting bracket is installed on outside outdoor machine of air-conditioner shell wall, including the second mounting base and the second installation part, and two second installation parts connect one to one with two first installation parts；Second acoustic element is installed in the second mounting base, and forms the second cavity with the outer wall of outdoor machine of air-conditioner.Effect：It can play the role of multiple sound-deadening and noise-reducing by being set to the first, second acoustic element inside and outside outdoor machine of air-conditioner, to reduce influence of the noise inside outdoor machine of air-conditioner to external environment, and second mounting bracket can also be thermally shielded effect, to reduce the temperature inside outer machine, the service life of outdoor machine of air-conditioner is improved.
Description
Technical field
The utility model is related to field of air conditioning more particularly to a kind of central air-conditioning intelligence noise reduction systems.
Background technology
Requirement with people to quality of the life is continuously improved, and the noise of air-conditioning is increasingly paid attention to by consumer, at
For the big Consideration for choosing air-conditioning.The noise of air-conditioner outdoor unit is mainly derived from compressor noise, fan noise and refrigerant
Pipeline noise caused by pipeline is impacted in flowing.Traditional outdoor unit noise reduction is poor, so that propagates outward makes an uproar
Sound is larger, has seriously affected the work and life of people.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
It is to propose a kind of central air-conditioning intelligence noise reduction system with novel purpose.
To achieve the above object, according to the central air-conditioning intelligence noise reduction system of the utility model embodiment, including：
First mounting bracket, first mounting bracket are installed on the inside of outdoor machine of air-conditioner shell wall, including the first mounting base and set
It is placed in the first installation part of first mounting base both sides, first installation part is suitable for from the first peace on outdoor machine of air-conditioner shell wall
Dress is pierced by hole；
First acoustic element, first acoustic element are installed in the first mounting base, and with the inner wall of the outdoor machine of air-conditioner it
Between be formed with the first cavity, first acoustic element includes the first sound absorbing layer set gradually from the inside to the outside, the first polyurethane foam
Foam noise reduction layer and the second sound absorbing layer are provided with multiple perforative sound-absorption holes up and down on first sound absorbing layer and the second sound absorbing layer,
And the middle part horizontal direction side of multiple sound-absorption holes on first sound absorbing layer is bent, multiple sound-absorbings on second sound absorbing layer
The middle part horizontal direction other side in hole is bent, and forms the sound-absorption hole of v-shaped structure；
Second mounting bracket, second mounting bracket are installed on the outside of outdoor machine of air-conditioner shell wall, including the second mounting base and set
Be placed in the second installation part of second mounting base both sides, two second installation parts respectively with two first installation parts one by one
It is correspondingly connected with；
Second acoustic element, second acoustic element are installed in second mounting base, and outer with the outdoor machine of air-conditioner
The second cavity is formed between wall, the second sound-absorbing part includes the second polyurethane foam noise reduction layer set gradually from the inside to the outside
And puigging.
According to the central air-conditioning intelligence noise reduction system that the utility model embodiment provides, including the first mounting bracket, first disappears
Sound part, the second mounting bracket and the second acoustic element, the first acoustic element are installed on the inside of outdoor machine of air-conditioner by the first mounting bracket, to
Attenuation processing is carried out to the noise of the generations such as compressor, wind turbine inside outdoor machine of air-conditioner, to play the role of first noise reduction, the
Two acoustic elements are installed on opposite with the first acoustic element position outside outdoor machine of air-conditioner by the second mounting bracket, so as to from outer
The noise propagated out in machine is further decayed, and secondary noise reduction is played the role of, in this way, can reduce by compressor, wind turbine
Influence of the noise transmission of equal generations to external environment；In addition, the second installation part and the second noise reduction layer are installed on outdoor machine of air-conditioner
On outer wall, it is thus possible to light direct projection outdoor machine of air-conditioner is enough avoided, to play the role of reducing the temperature inside outdoor machine of air-conditioner,
It is excessively high to avoid outdoor machine of air-conditioner internal temperature.
In addition, can also be had according to the central air-conditioning intelligence noise reduction system of the utility model above-described embodiment following additional
Technical characteristic：
In one embodiment according to the present utility model, first mounting base is square structure, including opposite first
Surface and second surface are recessed inwardly in the middle part of the first surface and are formed with the first mounting groove, the bottom of first mounting groove
The first through hole for being through to second surface is offered on wall, first acoustic element is installed in the first mounting groove, and with it is described
First cavity is formed between the inner wall of outdoor machine of air-conditioner.
In one embodiment according to the present utility model, second mounting base is square structure, including opposite interior table
Face and outer surface, the outer surface, which is recessed inwardly, is formed with the second mounting groove, offers and passes through on the bottom wall of second mounting groove
Wear to the second through-hole of inner surface, second acoustic element is installed in second mounting groove, and with the outdoor machine of air-conditioner
Second cavity is formed between outer wall.
In one embodiment according to the present utility model, the first fixing groove is offered on first installation part, described
The second fixing groove is offered on two installation parts, and the second mounting hole, second peace are offered on the bottom wall of second fixing groove
Piece installing is connected by the fastener being arranged in second mounting hole and the first fixing groove with first installation part.
In one embodiment according to the present utility model, the edge placement of the second surface and inner surface is both provided with soft
Property layer.
In one embodiment according to the present utility model, one side of first sound absorbing layer back to the outdoor machine of air-conditioner inner wall
On be evenly provided with it is multiple can reflection sound wave conical structure protrusion, and offer an institute between two adjacent protrusions
State sound-absorption hole.
Further include reflection substrate in one embodiment according to the present utility model, the reflection substrate is set to the sky
Adjust the position of the first acoustic element described in face on outer machine inner wall, be convexly equipped on the reflection substrate it is multiple can reflection sound wave circular cone
Second protrusion of shape structure.
In one embodiment according to the present utility model, sealing-plug is provided in second fixing groove.
Description of the drawings
Fig. 1 is the sectional view under the utility model embodiment use state；
Fig. 2 is the structural schematic diagram of the utility model embodiment the first mounting bracket and the second mounting bracket；
Fig. 3 is the structural schematic diagram of the first acoustic element of the utility model embodiment.
Reference numeral：
First mounting bracket 10；
First mounting base 11；
First mounting groove 111；
First through hole 1111；
First installation part 12；
First mounting plate 121；
Mounting blocks 122；
First fixing groove 1221；
First acoustic element 20；
First cavity 21；
First sound absorbing layer 22；
Sound-absorption hole 221；
First protrusion 222；
First polyurethane foam noise reduction layer 23；
Second sound absorbing layer 24；
Second mounting bracket 30；
Second mounting base 31；
Second through-hole 311；
Second installation part 32；
Second mounting plate 321；
Second fixing groove 3211；
Locating slot 322；
Second acoustic element 40；
Second cavity 41；
Outdoor machine of air-conditioner 50；
Reflection substrate 51；
Fastener 60.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the utility model and simplify description, specific side must be had by not indicating or implying the indicated device or element
Position, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
Shown in Fig. 3, the utility model embodiment provides a kind of central air-conditioning intelligence noise reduction system, including
First mounting bracket 10, the first acoustic element 20, the second mounting bracket 30 and the second acoustic element 40.
First mounting bracket 10 is installed on the inside of 50 shell wall of outdoor machine of air-conditioner, including the first mounting base 11 and is set to the first peace
The first installation part 12 of 11 both sides of seat is filled, the first mounting base 11 and the first installation part 12 are integrally formed, and the first installation part 12 is suitable for
It is pierced by out of the first mounting hole on 50 shell wall of outdoor machine of air-conditioner, specifically, the first installation part 12 can be mounted to the first installation
The first of 11 sides of seat mounting plate 121 and the mounting blocks 122 that are set on the first mounting plate 121, the size of mounting blocks 122 and the
One mounting hole size is adapted to, so as to be stretched out out of first mounting hole.Certainly, the first installation part 12 can also use others
Mounting structure.
First acoustic element 20 is installed in the first mounting base 11, and the first sky is formed between the inner wall of outdoor machine of air-conditioner 50
Chamber 21, the first acoustic element 20 include the first sound absorbing layer 22,23 and of the first polyurethane foam noise reduction layer set gradually from the inside to the outside
Multiple perforative sound-absorption holes 221 up and down, and first are provided on second sound absorbing layer 24, the first sound absorbing layer 22 and the second sound absorbing layer 24
The middle part horizontal direction side of multiple sound-absorption holes 221 on sound absorbing layer 22 is bent, multiple sound-absorption holes 221 on the second sound absorbing layer 24
The middle part horizontal direction other side is bent, and forms the sound-absorption hole 221 of v-shaped structure.First sound absorbing layer 22 and the second sound absorbing layer 24 are preferably adopted
It is made of glass fiber material, the first sound absorbing layer 22 and the second sound absorbing layer 24 made of glass fibre are by the first polyurethane as a result,
Foam noise reduction layer 23 is clamped in centre, takes full advantage of the decaying work that acoustic wave energy uploads sowing time in the interface of different medium
With sound wave repeatedly enters the entirely different medium of another density from a kind of medium, to make noise energy substantially decay, is formed
Good sound insulation and noise reduction effect, the first polyurethane foam noise reduction layer 23 using open-celled structure flexible polyurethane foam material, from
And sound wave is made to occur to overflow on porous dampening foams surface in the noise after the first sound absorbing layer 22 or the second sound absorbing layer 24
Reflection, and by expanding the principles such as noise reduction, micropore noise reduction, it is finally reached the effect of noise reduction.Noise passes through the suction hole of v-shaped structure
When 221, with the contact of the first sound absorbing layer 22 and the second sound absorbing layer 24 apart from elongated, the energy increase of consumption, and hence it is also possible into
One step consumes energy.That is, the first acoustic element 20 is installed on by the first mounting bracket 10 on 50 inner wall of outdoor machine of air-conditioner, preferably
Ground is installed on the position that face compressor, wind turbine etc. generate the component of noise, then, the noise warp of the generations such as compressor, wind turbine
When crossing on the first acoustic element 20, need to consume a large amount of energy so that it is reduced by the noise of the first acoustic element 20, and
And first is formed with the first cavity 21 between acoustic element 20 and the inner wall of outdoor machine of air-conditioner 50, in this way, the sound wave of noise causes first
The vibration of air molecule in cavity 21, it is empty other than air molecule itself phase mutual friction since air itself has viscosity resistance
Qi leel also with the 21 inner surface friction of the first cavity so that the acoustic energy of sound wave is further consumed, and in turn, can be further decreased and be made an uproar
Sound.
Second mounting bracket 30 is installed on the outside of 50 shell wall of outdoor machine of air-conditioner, including the second mounting base 31 and is set to the second peace
The second installation part 32 of 31 both sides of seat is filled, the second mounting base 31 and the second installation part 32 are integrally formed, and two second installation parts 32 divide
It does not connect one to one with two first installation parts 12.Specifically, the second installation part 32 can be mounted to 32 sides of the second installation
Second mounting plate 321 on side, and locating slot 322 is provided on the second mounting plate 321, locating slot 322 is suitable with 122 phase of mounting blocks
Match, mounting blocks 122 are inserted into locating slot 322, so that the first mounting base 11 and the second mounting base 31 are mounted on sky
Inside and outside a certain shell wall for adjusting outer machine 50.Certainly, the second installation part 32 can also use other mounting structures.
Second acoustic element 40 is installed in the second mounting base 31, and the second sky is formed between the outer wall of outdoor machine of air-conditioner 50
Chamber 41, the second acoustic element 40 include the second polyurethane foam noise reduction layer (not shown) set gradually from the inside to the outside and sound insulation
Layer (not shown), wherein the second polyurethane foam noise reduction layer and the first polyurethane foam noise reduction layer use identical material,
Filled with attractive material, such as acoustical cotton etc. in puigging, in this way, the second acoustic element 40 can be in noise transmission to extraneous ring
Noise reduction is carried out again before border, to play the effect of secondary noise reduction so that propagate to the noise smaller in external environment.
Also, the first mounting bracket 10 and the second acoustic element 40 are located on the outside of the shell wall of outdoor machine of air-conditioner 50, in this way, in summer height
Wen Shi can stop light, prevent light from shining directly into and be easier on the outdoor machine of air-conditioner 50 that heated metal plate makes, such as
This, effect that just can be heat-insulated.
When specifically used, the first acoustic element 20 and the second acoustic element 40 can pass through the first mounting base 11, the second mounting base
31 are installed on multiple shell walls of outdoor machine of air-conditioner, such as on upper shell wall, rear shell wall, left housing wall and right shell wall, it is preferred that for just
To the position of the sound source inside outdoor machine of air-conditioner 50, it so, it is possible the noise that opposite all directions are propagated and carry out multiple noise reduction, to
Reduce influence of the noise to external environment.
According to the central air-conditioning intelligence noise reduction system that the utility model embodiment provides, including the first mounting bracket 10, first
Acoustic element 20, the second mounting bracket 30 and the second acoustic element 40, the first acoustic element 20 are installed on by the first mounting bracket 10 outside air-conditioning
The inside of machine 50, to the noise of the generations such as compressor, wind turbine outdoor machine of air-conditioner 50 inside progress attenuation processing, to play
The effect of first noise reduction, the second acoustic element 40 are installed on 50 outside of outdoor machine of air-conditioner and the first acoustic element 20 by the second mounting bracket 30
Play the role of secondary noise reduction, such as so as to further decay to the noise propagated out out of outer machine in opposite position
This, can reduce the influence to external environment by the noise transmission of the generations such as compressor, wind turbine；In addition, 32 He of the second installation part
Second noise reduction layer 24 is installed on the outer wall of outdoor machine of air-conditioner 50, it is thus possible to light direct projection outdoor machine of air-conditioner 50 enough be avoided, to rise
It is excessively high and shorten the working life to avoid outdoor machine of air-conditioner internal temperature to the effect for reducing the temperature inside outdoor machine of air-conditioner 50.
Advantageous, in one embodiment of the utility model, the first mounting base 11 is square structure, including opposite
One surface and second surface are recessed inwardly in the middle part of first surface and are formed with the first mounting groove 111, the bottom of the first mounting groove 111
The first through hole 1111 for being through to second surface is offered on wall, the first acoustic element 20 is installed in the first mounting groove 111, and with
The first cavity 21 is formed between the inner wall of outdoor machine of air-conditioner 50.
That is, the first mounting base 11 is shape compatible with the shell wall of outdoor machine of air-conditioner 50, in this way, can be according to sky
The size of outer machine 50 is adjusted to design the size of the first mounting base 11, so that the first mounting base 11 can cover outdoor machine of air-conditioner 50
Shell wall inner surface.And the first through hole 1111 for being through to second surface is offered on 111 bottom wall of the first mounting groove of first surface,
Therefore, when the first mounting base 11 is installed in outdoor machine of air-conditioner 50, the edge placement of second surface, which supports, is affixed on 50 shell of outdoor machine of air-conditioner
The edge placement of the inner surface of wall, correspondingly, the medium position shape of the inner surface of 50 shell wall of the first acoustic element 20 and outdoor machine of air-conditioner
At first cavity 21, then, when in noise transmission to first cavity 21, the vibration of air molecule can be caused and consumed
The energy of sound wave, to be decayed according to the attenuation characteristic of sound wave so that noise is minimized.
Advantageous, in one embodiment of the utility model, the second mounting base 31 is square structure, including it is opposite in
Surface and outer surface, outer surface, which is recessed inwardly, is formed with the second mounting groove (not shown), is opened on the bottom wall of the second mounting groove
Equipped with the second through-hole 311 for being through to inner surface, the second acoustic element 40 is installed in the second mounting groove, and outer with outdoor machine of air-conditioner
The second cavity 41 is formed between wall.
Corresponding with above-mentioned first mounting base 11, the second mounting base 31 is shape compatible with the shell wall of outdoor machine of air-conditioner 50
Shape, in this way, the size of the second mounting base 31 can be designed according to the size of outdoor machine of air-conditioner 50, so that the second mounting base 31
The outer surface that 50 shell wall of outdoor machine of air-conditioner can be covered, when the second mounting base 31 be installed on outdoor machine of air-conditioner 50 it is outer when, the side of inner surface
The edge placement for the outer surface for being affixed on 50 shell wall of outdoor machine of air-conditioner is supported along position, correspondingly, the second acoustic element 40 and outer 50 shell of machine of tune
The medium position of the outer surface of wall forms first cavity 21, when in noise transmission to first cavity 21, can cause sky
Gas molecular vibration, to be decayed according to attenuation characteristic so that noise is minimized, meanwhile, noise is by the second polyurethane
Foam noise reduction layer and puigging filled with acoustic material carry out sound-absorbing noise reduction processing.
It is advantageous, in another embodiment of the utility model, the first fixing groove is offered on the first installation part 12
1221, the first fixing groove 1221 is located on mounting blocks 122, and the second fixing groove 3211 is offered on the second installation part 32, and second is solid
Determine to offer the second mounting hole on the bottom wall of slot 3211, the second installation part 32 is by being arranged in the second mounting hole (not marking in figure)
It is connected with the first installation part 12 with the fastener 60 in the first fixing groove 121.
That is, when mounted, the mounting blocks 122 of the first installation part 12 are inserted in the locating slot on the second installation part 32
It is positioned in 322, then, passes through the second mounting hole using the fastener 60 in the second fixing groove 3211 and be inserted into locating slot
First installation part 12 and the second installation part 32 can be fixed in the first mounting groove 1221 on mounting blocks 122 in 322.
Screw rod may be used in fastener 60, also, screw rod is set to inside the second fixing groove 3211, therefore screw rod can be made outer
Leakage, may be implemented the seamless property of technique and does not affect the appearance, when practical application, can also in the second fixing groove 3211 setting it is close
Blocking (not shown) keeps waterproof effect more preferable with the second fixing groove of better seal 3211.
Advantageous, in one embodiment of the utility model, the edge placement of second surface and inner surface is both provided with
Flexible layer.Flexible layer is set by the edge placement in second surface and inner surface, shell when can prevent outdoor machine of air-conditioner 50 from working
Vibrations between wall and the first mounting base 11 and the second mounting base 31 and generate additional noise.
It is advantageous, in one embodiment of the utility model, the first sound absorbing layer 22 back to 50 inner wall of outdoor machine of air-conditioner one
Be evenly provided on face it is multiple can reflection sound wave conical structure the first protrusion 222, and adjacent two first protrusions
A sound-absorption hole 221 is offered between 222.
So, when compressor etc. generates the noise transmission that sends out of component of noise to the first protrusion 222, a part can be with
It is reflected to all directions by the first protrusion 222, therefore, when being mounted on the first noise reduction on multiple wall surfaces in outdoor machine of air-conditioner 50
When part 20, then it is convex to pass through the sound wave that the first protrusion 222 reflects can be reflected into again on other first acoustic elements 20 first
It rises on 222, in this way, this partial noise can be made in the multiple reflection inside of outdoor machine of air-conditioner 50, to greatly consume it
Energy, and the sound wave without 222 reflection of the first protrusion can then pass through on the first sound absorbing layer 22 and at the progress noise reduction of suction hole 221
Reason, passes through the first protrusion 222, additionally it is possible to further function as the effect of noise reduction as a result,.First protrusion 222 uses conical structure,
So the sound wave that can be propagated to any direction on the first raised 222 outer walls reflects so that reflected range is big, reflection
Effect is good, correspondingly, noise reduction is more preferable.
It is advantageous, further include reflection substrate 51 in one embodiment of the utility model, reflection substrate 51 is set to sky
Adjust the position of the first acoustic element of face 20 on outer 50 inner wall of machine, be convexly equipped on reflection substrate 51 it is multiple can reflection sound wave cone
The raised (not shown) of the second of structure.
That is, reflection substrate 51 is installed in the first cavity 21, and on 50 inner wall of outdoor machine of air-conditioner, in this way, making an uproar
When sound propagates to 50 inner wall of outdoor machine of air-conditioner after the decaying of the first cavity 21, need into the second protrusion crossed on reflection substrate 51
Secondary reflection again propagates to outside air-conditioning as a result, to which noise is reflected back the second sound absorbing layer 24 and is absorbed by the second sound absorbing layer 24
Noise outside machine 50 can be further decreased, then, it can also further increase noise reduction.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiments or example.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are not departing from the utility model
Principle and objective in the case of above-described embodiment can be changed in the scope of the utility model, change, replace and
Modification.
Claims (8)
1. a kind of central air-conditioning intelligence noise reduction system, which is characterized in that including：
First mounting bracket, first mounting bracket are installed on the inside of outdoor machine of air-conditioner shell wall, including the first mounting base and are set to
First installation part of first mounting base both sides, first installation part are suitable for from the first mounting hole on outdoor machine of air-conditioner shell wall
Inside it is pierced by；
First acoustic element, first acoustic element is installed in the first mounting base, and the shape between the inner wall of the outdoor machine of air-conditioner
At there is the first cavity, first acoustic element includes that the first sound absorbing layer set gradually from the inside to the outside, the first polyurethane foam disappear
Sound-absorbing layer and the second sound absorbing layer are provided with multiple perforative sound-absorption holes, and institute up and down on first sound absorbing layer and the second sound absorbing layer
The middle part horizontal direction side bending of multiple sound-absorption holes on the first sound absorbing layer is stated, multiple sound-absorption holes on second sound absorbing layer
The middle part horizontal direction other side is bent, and forms the sound-absorption hole of v-shaped structure；
Second mounting bracket, second mounting bracket are installed on the outside of outdoor machine of air-conditioner shell wall, including the second mounting base and are set to
Second installation part of second mounting base both sides, two second installation parts are corresponded with two first installation parts respectively
Connection；
Second acoustic element, second acoustic element are installed in second mounting base, and with the outer wall of the outdoor machine of air-conditioner it
Between be formed with the second cavity, the second sound-absorbing part include the second polyurethane foam noise reduction layer set gradually from the inside to the outside and every
Sound-absorbing layer.
2. central air-conditioning intelligence noise reduction system according to claim 1, which is characterized in that first mounting base is square
Structure, including opposite first surface and second surface are recessed inwardly in the middle part of the first surface and are formed with the first mounting groove,
The first through hole for being through to second surface is offered on the bottom wall of first mounting groove, first acoustic element is installed on first
In mounting groove, and first cavity is formed between the inner wall of the outdoor machine of air-conditioner.
3. central air-conditioning intelligence noise reduction system according to claim 2, which is characterized in that second mounting base is square
Structure, including opposite the inner surface and the outer surface, the outer surface, which is recessed inwardly, is formed with the second mounting groove, second installation
The second through-hole for being through to inner surface is offered on the bottom wall of slot, second acoustic element is installed in second mounting groove,
And second cavity is formed between the outer wall of the outdoor machine of air-conditioner.
4. central air-conditioning intelligence noise reduction system according to claim 3, which is characterized in that opened up on first installation part
There is the first fixing groove, the second fixing groove is offered on second installation part, is offered on the bottom wall of second fixing groove
Two mounting holes, second installation part pass through the fastener that is arranged in second mounting hole and the first fixing groove and described the
One installation part is connected.
5. central air-conditioning intelligence noise reduction system according to claim 3, which is characterized in that the second surface and inner surface
Edge placement be both provided with flexible layer.
6. central air-conditioning intelligence noise reduction system according to claim 1, which is characterized in that first sound absorbing layer is back to institute
State be evenly provided in the one side of outdoor machine of air-conditioner inner wall it is multiple can reflection sound wave conical structure the first protrusion, and it is adjacent
Two the first protrusions between offer a sound-absorption hole.
7. central air-conditioning intelligence noise reduction system according to claim 6, which is characterized in that further include reflection substrate, it is described
Reflection substrate is set to the position of the first acoustic element described in face on the outdoor machine of air-conditioner inner wall, is convexly equipped on the reflection substrate
It is multiple can reflection sound wave conical structure second protrusion.
8. central air-conditioning intelligence noise reduction system according to claim 4, which is characterized in that setting in second fixing groove
There is sealing-plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721530038.5U CN207741323U (en) | 2017-11-14 | 2017-11-14 | Central air-conditioning intelligence noise reduction system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721530038.5U CN207741323U (en) | 2017-11-14 | 2017-11-14 | Central air-conditioning intelligence noise reduction system |
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| Publication Number | Publication Date |
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| CN207741323U true CN207741323U (en) | 2018-08-17 |
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| CN201721530038.5U Active CN207741323U (en) | 2017-11-14 | 2017-11-14 | Central air-conditioning intelligence noise reduction system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218065A (en) * | 2021-03-26 | 2021-08-06 | 深圳通利机电工程有限公司 | Noise-reduction adjustable central air conditioner |
| CN113958386A (en) * | 2021-12-22 | 2022-01-21 | 诸城市大路机械有限公司 | Exhaust device with silencing function |
-
2017
- 2017-11-14 CN CN201721530038.5U patent/CN207741323U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218065A (en) * | 2021-03-26 | 2021-08-06 | 深圳通利机电工程有限公司 | Noise-reduction adjustable central air conditioner |
| CN113958386A (en) * | 2021-12-22 | 2022-01-21 | 诸城市大路机械有限公司 | Exhaust device with silencing function |
| CN113958386B (en) * | 2021-12-22 | 2022-02-25 | 诸城市大路机械有限公司 | Exhaust device with silencing function |
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