CN209706228U - A kind of fan coil of efficient noise abatement - Google Patents
A kind of fan coil of efficient noise abatement Download PDFInfo
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- CN209706228U CN209706228U CN201920424087.3U CN201920424087U CN209706228U CN 209706228 U CN209706228 U CN 209706228U CN 201920424087 U CN201920424087 U CN 201920424087U CN 209706228 U CN209706228 U CN 209706228U
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- casing
- cavity
- motor
- silencing cavity
- noise
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Abstract
The utility model proposes a kind of fan coils of efficient noise abatement, including casing, casing is divided into two layers of soundproof plate, positioned at one layer of casing of coil pipe and air outlet, positioned at another layer of centrifugal blower of casing, motor, purification system and sound attenuator, another layer of casing is divided into four confined spaces by demarcation plate, including blower lock chamber, motor lock chamber, purify cavity and silencing cavity, the air outlet of centrifugal blower is connected to purify cavity, the perforation screen of purification system front end is set in purify cavity, sound attenuator includes the first silencing cavity and the second silencing cavity, it is connected to the first expansion pipe of the second silencing cavity and purify cavity, it is connected to the second expansion pipe of the first silencing cavity and the second silencing cavity and the wind conveying pipe of connection the first silencing cavity and distributor, casing inner wall surface has porous sound-absorbing material layer；The fan coil can efficient absorption, reflection, interference and the internal noise of isolation, reduce the noise leakage amount for reaching air outlet, keep fan coil indoor quiet environment when working.
Description
Technical field
The utility model relates to fan coil technical group field more particularly to a kind of fan coils of efficient noise abatement.
Background technique
Fan coil is the end equipment of air-conditioning system, runs noise mainly by mechanical noise and aerodynamic noise two parts
Composition, mechanical noise are mainly generated by the operation of motor, and aerodynamic noise is related to the internal structure of coil pipe unit, especially enters the wind
Region and outlet air region, since fan coil is located at interior, the aerodynamic noise of mechanicalness noise and air-flow flowing when operation is direct
Interior is passed to, therefore, sound insulation value is one of the important performance of user's concern, and existing fan coil is all using sound insulation material
The shell of material realizes sound insulation, and since air outlet is opening form, the mechanicalness noise and aerodynamic noise inside fan coil are still had
Part is revealed from air outlet, influences indoor environment, and therefore, fan coil not only needs external whole sound insulation, meanwhile, in casing
The noise in portion is absorbed, is reflected, and the noise revealed by air outlet is reduced, and realizes that the internal structure of efficient noise abatement is also especially heavy
It wants.
Utility model content
To solve the above the deficiencies in the prior art, the utility model provides a kind of fan coil of efficient noise abatement, passes through
Is carried out by closed isolation and is fully absorbed for mechanical noise, while aerodynamic noise is reflected and absorbed, reduces its leakage.
The utility model is to be achieved by the following technical programs:
A kind of fan coil of efficient noise abatement is divided into two layers of soundproof plate including casing, by casing, is located at one layer of casing
Coil pipe and coil pipe duct outlet air outlet and positioned at coil pipe duct outlet air outlet between distributor, be located at
Centrifugal blower, motor, purification system and the sound attenuator that another layer of casing, motor provide power, another layer of casing to centrifugal blower
Four confined spaces are divided by demarcation plate, including be respectively used to installation centrifugal blower, motor, purification system and sound attenuator blower
Lock chamber, motor lock chamber, purify cavity and anechoic chamber, the air outlet of centrifugal blower are connected to purify cavity, are additionally provided in purify cavity
Perforation screen positioned at purification system front end, sound attenuator include the first silencing cavity being separated to form by partition and the second silencing cavity,
The the first expansion pipe for being connected to the second silencing cavity and purify cavity, the second expansion for be connected to the first silencing cavity and the second silencing cavity manage and
The wind conveying pipe of the first silencing cavity and distributor is connected, casing inner wall surface has porous sound-absorbing material layer.
Preferably, heat sink material is filled in motor lock chamber, and is located on the outer wall outside casing outside motor lock chamber and is set
The heat dissipation porous plate for having cooling fin and being connect with cooling fin.
Preferably, the air inlet of centrifugal blower is equipped with wind collecting unit.
Preferably, the connecting portion of motor, centrifugal blower and coil pipe and casing is equipped with resilient cushion.
Preferably, the input terminal of coil pipe and output end are equipped with bending section, and the side of heat exchange layer is equipped with heat-insulation chamber, bending section
Both ends be fixed in heat-insulated cavity wall, heat-barrier material is filled in heat-insulation chamber.
Compared with prior art, the utility model has the beneficial effects that
The fan coil of the efficient noise abatement in casing by being arranged layering soundproof plate and more lattice sealed internal chambers, to each portion
Noise absorbent and sound insulation are carried out point respectively, largely reduces noise leakage, while respectively arranged near the noise source being worn
Kong Ping and sound attenuator improve noise elimination effect, in addition, casing inner wall is with sound-absorbing material layer, to fully absorb and completely cut off inside
Noise, therefore, fan coil can efficient absorption, reflection, interference and the internal noise of isolation, the noise for reducing arrival air outlet let out
Leakage quantity, holding fan coil indoor quiet environment when working.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the fan coil of the efficient noise abatement of the utility model；
Fig. 2 is another layer of casing in Fig. 1 of distributed architecture schematic diagram
In figure: 1, casing, 11, heat exchange layer, 111, heat-insulation chamber, 12, blower lock chamber, 13, purify cavity, 14, anechoic chamber,
15, motor lock chamber, 2, coil pipe, 3, centrifugal blower, 31, wind collecting unit, 4, perforation screen, 5, high efficiency particulate air, 6, active carbon net, 7,
Distributor, 8, air outlet, 9, motor, 10, sound attenuator, the 101, first silencing cavity, the 102, second silencing cavity, 103, partition, 104,
First expansion pipe, the 105, second expansion pipe, 106, wind conveying pipe.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
The noise that fan coil generates mainly includes the whirlpool of the operation noise of motor 9, fan blade and air-flow interaction
Flow noise and air-flow pass through the aerodynamic noise that purification system generates, and therefore, the utility model provides a kind of wind of efficient noise abatement
Machine coil pipe carries out realizing efficient noise abatement for the mode of local noise abatement and comprehensive noise abatement according to noise source, as shown in Figs. 1-2, should
Fan coil include casing 1, casing 1 is divided into two layers soundproof plate, positioned at 1 one layers of casing of coil pipes 2, with 2 air duct of coil pipe
The air outlet 8 of outlet and distributor 7 between coil pipe duct outlet and air outlet, positioned at 1 another layer of casing from
Heart blower 3, motor 9, purification system and sound attenuator 10, noise source focus primarily upon another layer of casing 1, pass through soundproof plate point
Layer noise abatement encapsulation can reduce noise leakage, and air quantity can be uniformly distributed in coil pipe 2 by distributor 7；
Another layer of casing 1 is by dividing demarcation plate to be divided into four confined spaces, including is respectively used to installation centrifugal blower 3, motor
9, the blower lock chamber 12 of purification system and sound attenuator 10,9 lock chamber 15 of motor, purify cavity 13 and anechoic chamber 14, purification system
Including high efficiency particulate air 5 and active carbon net 6, motor 9 provides power to centrifugal blower 3, passes through the transmission being fixed on casing 1
Axis connection, transmission shaft are connected with casing 1 by low noise bearing, motor 9 and centrifugal blower 3 are separately packaged in respectively Bu Tong close
Inner cavity is sealed, the main source because of motor 9 as mechanicalness noise is sealed in 9 lock chamber 15 of motor, and the porosity on cavity wall surface is inhaled
Sound material layer can fully absorb its noise, and prevent noise from revealing by casing 1, due to being sealed in 9 lock chamber 15 of motor
The heat that motor 9 generates is not easy to be discharged in time, influences its service life, and interior filling dissipates between 9 lock chamber 15 of motor and motor 9
Hot material, i.e. heat dissipation glue film, are coated on it completely outside motor 9, and heat dissipation glue film not only can efficiently transmit 9 heat of motor, and also
Have the function of sound insulation, reduce vibration and fixed motor 9, the outer wall outside 9 lock chamber 15 of motor outside casing 1, which is equipped with, to be dissipated
Backing and the heat dissipation porous plate connecting with cooling fin, heat dissipation porous plate are used for fixing cooling fins, the air outside fan coil with
Cooling fin contact, takes away 9 heat of motor；The air outlet 8 of centrifugal blower 3 is connected to purify cavity 13, is additionally provided with position in purify cavity 13
Perforation screen 4 in purification system front end, perforation screen 4 carry out reflection in fact by the gas noise to 3 air outlet of centrifugal blower
Existing primary noise elimination, screen 4 that n piece can be perforated are superposed on 3 air outlet of centrifugal blower；And sound attenuator 10 can be by reflecting and doing
The mode for relating to sound wave carries out noise reduction by the aerodynamic noise that purification system generates to air-flow, and referring again to Fig. 2, sound attenuator 10 includes
The first silencing cavity 101 and the second silencing cavity 102 that are formed by divides are connected to the second silencing cavity 102 and purify cavity 13
The first expansion pipe 104, the first silencing cavity 101 of connection and the second silencing cavity 102 the second expansion pipe 105 and connection first disappear
The wind conveying pipe 106 of sound chamber 101 and distributor 7, sound wave by the first silencing cavity 101 and the second silencing cavity 102 it is unexpected expand or
It shrinks, Acoustic Wave Propagation direction is made to change, to interfere and reflect, and inhaled by the porous sound-absorbing material layer of cavity wall
It receives, reduces noise leakage；
In addition, 1 inner wall surface of casing, i.e., each chamber inner wall has porous sound-absorbing material layer, preferably acoustical cotton, can
Sound absorption and sound insulation are carried out to all noises inside fan coil.
Therefore, the fan coil in casing 1 by being arranged layering soundproof plate and more lattice sealed internal chambers, to various pieces point
Not carry out noise absorbent and sound insulation, largely reduce noise leakage, while respectively arranged perforation shields 4 near the noise source
With sound attenuator 10, noise elimination effect is improved, in addition, 1 inner wall of casing is to make an uproar with sound-absorbing material layer to fully absorb and completely cut off inside
Sound, therefore, fan coil can efficient absorption, reflection, interference and the internal noise of isolation, the noise for reducing arrival air outlet 8 let out
Leakage quantity, holding fan coil indoor quiet environment when working.
As further technical solution, the air inlet of centrifugal blower 3 is equipped with wind collecting unit 31, to reduce air inlet section
Aerodynamic noise caused by being mutated.
As further technical solution, the connecting portion of motor 9, centrifugal blower 3 and coil pipe 2 and casing 1, which is equipped with, to be subtracted
Shake pad reduces the noise that vibration generates, and reduces noise source.
As further technical solution, referring again to Fig. 1, the input terminal and output end of coil pipe 2 are equipped with bending section, change
The side of thermosphere 11 is equipped with heat-insulation chamber 111, and the both ends of bending section are fixed on 111 wall of heat-insulation chamber by cushion rubber, in heat-insulation chamber 111
Filled with heat-barrier material, the thermal loss of 2 bending section of coil pipe is reduced, the bending section being arranged in heat-insulation chamber 111 can reduce casing 1
The vibration of inner coil pipe 2 or fine motion along 2 input terminal of coil pipe and output end drive to the external world, to reduce noise to a certain extent, simultaneously
It is equipped with sound-deadening louver, on air outlet 8 to absorb a small amount of noise of 1 internal leakage of casing.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of fan coil of efficient noise abatement, it is characterised in that: be divided into two layers of soundproof plate, position including casing, by casing
In one layer of casing of coil pipe and the air outlet of coil pipe duct outlet and point between coil pipe duct outlet and air outlet
Cloth device, positioned at another layer of casing of centrifugal blower, motor, purification system and sound attenuator, motor gives centrifugal blower to provide power, institute
State another layer of casing and four confined spaces be divided by demarcation plate, including be respectively used to installation centrifugal blower, motor, purification system and
Blower lock chamber, motor lock chamber, purify cavity and the anechoic chamber of sound attenuator, the air outlet of centrifugal blower are connected to purify cavity, institute
The perforation screen being additionally provided in purify cavity positioned at the purification system front end is stated, the sound attenuator includes being separated to form by partition
First silencing cavity and the second silencing cavity are connected to the second silencing cavity and the first expansion pipe of purify cavity, are connected to the first silencing cavity and the
Second expansion pipe of two silencing cavities and the wind conveying pipe of connection the first silencing cavity and distributor, the casing inner wall surface has more
Permeability sound-absorbing material layer.
2. a kind of fan coil of efficient noise abatement according to claim 1, it is characterised in that: filled out in the motor lock chamber
It fills heat sink material, and is located at the outer wall outside casing outside the motor lock chamber and is equipped with cooling fin and is connect with cooling fin
Radiate porous plate.
3. a kind of fan coil of efficient noise abatement according to claim 2, it is characterised in that: the air inlet of the centrifugal blower
Mouth is equipped with wind collecting unit.
4. a kind of fan coil of efficient noise abatement according to claim 3, it is characterised in that: the motor, the centrifugation
The connecting portion of blower and the coil pipe and casing is equipped with resilient cushion.
5. a kind of fan coil of efficient noise abatement according to claim 4, it is characterised in that: the input terminal of the coil pipe and
Output end is equipped with bending section, and the side of the heat exchange layer is equipped with heat-insulation chamber, and the both ends of the bending section are fixed on described heat-insulated
In cavity wall, heat-barrier material is filled in the heat-insulation chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920424087.3U CN209706228U (en) | 2019-04-01 | 2019-04-01 | A kind of fan coil of efficient noise abatement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920424087.3U CN209706228U (en) | 2019-04-01 | 2019-04-01 | A kind of fan coil of efficient noise abatement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209706228U true CN209706228U (en) | 2019-11-29 |
Family
ID=68648333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920424087.3U Expired - Fee Related CN209706228U (en) | 2019-04-01 | 2019-04-01 | A kind of fan coil of efficient noise abatement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209706228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997934A (en) * | 2020-09-04 | 2020-11-27 | 安徽康居人健康科技有限公司 | Carry on miniature air-blower's heat dissipation wind channel that gives sound insulation |
-
2019
- 2019-04-01 CN CN201920424087.3U patent/CN209706228U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997934A (en) * | 2020-09-04 | 2020-11-27 | 安徽康居人健康科技有限公司 | Carry on miniature air-blower's heat dissipation wind channel that gives sound insulation |
| CN111997934B (en) * | 2020-09-04 | 2021-11-30 | 安徽康居人健康科技有限公司 | Carry on miniature air-blower's heat dissipation wind channel that gives sound insulation |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20191129 Termination date: 20200401 |