CN110500762A - A kind of noise reduction components and air-cooled ducted air conditioner for air-cooled ducted air conditioner - Google Patents

A kind of noise reduction components and air-cooled ducted air conditioner for air-cooled ducted air conditioner Download PDF

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Publication number
CN110500762A
CN110500762A CN201910606287.5A CN201910606287A CN110500762A CN 110500762 A CN110500762 A CN 110500762A CN 201910606287 A CN201910606287 A CN 201910606287A CN 110500762 A CN110500762 A CN 110500762A
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CN
China
Prior art keywords
noise
air
detection device
air conditioner
cooled ducted
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
CN201910606287.5A
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Chinese (zh)
Inventor
张强
刘敏
杜明龙
赵鹏飞
王庆杰
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.)
Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Original Assignee
Qingdao Hisense Hitachi Air Conditioning System Co Ltd
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.)
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Publication date
Application filed by Qingdao Hisense Hitachi Air Conditioning System Co Ltd filed Critical Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Priority to CN201910606287.5A priority Critical patent/CN110500762A/en
Publication of CN110500762A publication Critical patent/CN110500762A/en
Priority to CN202010130828.4A priority patent/CN111059753A/en
Priority to CN202020227870.3U priority patent/CN211695344U/en
Priority to CN202020227020.3U priority patent/CN211823082U/en
Priority to CN202010129724.1A priority patent/CN111059752A/en
Priority to PCT/CN2020/091199 priority patent/WO2021004166A1/en
Priority to PCT/CN2020/091202 priority patent/WO2021004167A1/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • F24F2013/247Active noise-suppression

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Duct Arrangements (AREA)

Abstract

The present invention discloses a kind of noise reduction components and air-cooled ducted air conditioner for air-cooled ducted air conditioner, is related to air-cooled ducted air conditioner technical field.It is too big for solving existing air-cooled ducted air conditioner noise, lead to user experience degree and the lower problem of comfort level.Provided by the present invention for the noise reduction components of air-cooled ducted air conditioner, including controller, and noise detection device, noise cancellation apparatus and the noise error detection device being connect with the controller, the noise cancellation apparatus is between the noise detection device and the noise error detection device, first noise signal of the air-cooled ducted air conditioner that the controller is used to be detected according to the noise detection device, controls the antiphase noise reduction sound that the noise cancellation apparatus issues first noise signal;And according to the second noise signal of the air-cooled ducted air conditioner after the noise reduction of noise error detection device detection, the antiphase noise reduction sound for first noise signal that the noise cancellation apparatus issues is adjusted.The present invention can be used for air supply duct machine noise reduction.

Description

A kind of noise reduction components and air-cooled ducted air conditioner for air-cooled ducted air conditioner
Technical field
The present invention relates to air-conditioning technical field more particularly to a kind of noise reduction components and air-cooled ducted air conditioner for air-cooled ducted air conditioner.
Background technique
With the continuous improvement of economic development and quality of the life, air-conditioning has become a kind of common household electrical appliance, tradition The noise that can be generated during carrying out heating refrigeration of air-conditioning, noise transmission seriously affected people into air Daily life, then, more stringent requirements are proposed to the comfort that air-conditioning uses by user, meets the tendency of with the air-conditioning of decrease of noise functions And it gives birth to.
The method for usually reducing noise has passive noise reduction and two kinds of active noise reduction.Passive noise reduction be mainly utilize material every Sound and sound absorbing performance reduce noise, more effective for medium-high frequency noise, but low frequency noise decaying is slow, and penetration power is strong, easy diffraction, It is hard to work that low frequency noise is reduced using passive means.Active noise reduction is generated and ambient noise phase by active noise reduction system Opposite noise reduction sound wave, noise is neutralized, and realizes the effect for reducing noise, and for low-frequency noise, active noise reduction is easier to control System, relative to passive noise reduction technology, active noise reduction is more efficient to low frequency noise is reduced.
A kind of existing active noise reducing device suitable for central air-conditioning, including detection device, loudspeaker and noise reduction mould Block.Wherein, detection device and loudspeaker are installed on the inside of central air conditioner blast tube, and noise reduction module is installed on the outside of air supply tube, should Noise reduction module can be generated that the noise signal amplitude detected with detection device is equal, noise cancellation signal of opposite in phase, de-noising letter It number is issued by loudspeaker, in this way, the noise cancellation signal that noise and loudspeaker that detection device detects issue is cancelled out each other, with this Come realize noise eliminate, still, the noise by the central air-conditioning of above-mentioned active noise reducing device is still larger, noise eliminate effect Fruit is bad.
Summary of the invention
The present invention provides a kind of noise reduction components and air-cooled ducted air conditioner for air-cooled ducted air conditioner, for solving existing air-cooled ducted air conditioner noise too Greatly, lead to user experience degree and the lower problem of comfort level.
In order to achieve the above objectives, the present invention provides a kind of noise reduction components for air-cooled ducted air conditioner, including controller, Yi Jijun Noise detection device, noise cancellation apparatus and the noise error detection device connecting with the controller, the noise cancellation apparatus are located at Between the noise detection device and the noise error detection device, the controller is used for according to the noise detection device First noise signal of the air-cooled ducted air conditioner of detection, controls the reverse phase potential drop that the noise cancellation apparatus issues first noise signal Noise sound;And according to the second noise signal of the air-cooled ducted air conditioner after the noise reduction of noise error detection device detection, institute is adjusted State the antiphase noise reduction sound of first noise signal of noise cancellation apparatus sending.
On the other hand, the present invention also provides a kind of air-cooled ducted air conditioner, including shell and installation on the housing above-mentioned The noise reduction components of air-cooled ducted air conditioner are used for described in embodiment.
Noise reduction components and air-cooled ducted air conditioner provided in an embodiment of the present invention for air-cooled ducted air conditioner, air-cooled ducted air conditioner include above-mentioned for air hose The noise reduction components of machine, noise reduction components include controller, noise detection device, noise cancellation apparatus and noise error detection device, In, noise detection device, noise cancellation apparatus and noise error detection device are connect with controller.Process of the air-cooled ducted air conditioner in operation In will necessarily generate noise, noise detection device detects the first noise signal that air-cooled ducted air conditioner generates, and will test first Noise signal feeds back to controller, and the first noise signal that controller is detected according to noise detection device obtains the first noise The antiphase de-noising signal of signal, is then transferred to noise cancellation apparatus for obtained antiphase de-noising signal, and noise cancellation apparatus issues anti- Phase noise reduction sound, the first noise signal and antiphase noise reduction sound offset each other, to reduce the noise of air-cooled ducted air conditioner generation. At this moment, the second noise that noise error detection device detects the second noise signal of the air-cooled ducted air conditioner after noise reduction, and will test Signal feeds back to controller, and controller is adjusted according to antiphase noise reduction sound of second noise signal to the first noise signal It is whole, to further reduced the noise of air-cooled ducted air conditioner generation.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of air-cooled ducted air conditioner;
Fig. 2 is the structural schematic diagram of noise reduction components in the embodiment of the present invention;
Fig. 3 is that the schematic perspective view for extending air duct is had additional in the embodiment of the present invention;
Fig. 4 is the explosive view that shape set casing, noise cancellation apparatus and entrant sound lid are split in the embodiment of the present invention;
Fig. 5 is that the structural schematic diagram for extending air duct is had additional in the embodiment of the present invention;
Fig. 6 is the partial enlarged view of part A in above-mentioned Fig. 5;
Fig. 7 is the structural schematic diagram for being equipped with noise reduction components in the embodiment of the present invention at air outlet and return air inlet;
Fig. 8 is the structural schematic diagram of the first arrangement of noise reduction components in the embodiment of the present invention;
Fig. 9 is the structural schematic diagram of second of arrangement of noise reduction components in the embodiment of the present invention;
Figure 10 is the structural schematic diagram of the third arrangement of noise reduction components in the embodiment of the present invention;
Figure 11 is the structural schematic diagram of the 4th kind of arrangement of noise reduction components in the embodiment of the present invention;
Figure 12 is the schematic perspective view of air-cooled ducted air conditioner in the embodiment of the present invention;
Figure 13 is the structural schematic diagram in the embodiment of the present invention with multiple noise cancellation apparatus;
Figure 14 is that the schematic perspective view extended on the upside of air duct is arranged in noise cancellation apparatus in the embodiment of the present invention;
Figure 15 is that the structural schematic diagram extended on the upside of air duct is arranged in noise cancellation apparatus in the embodiment of the present invention;
Figure 16 is that the schematic perspective view extended on the downside of air duct is arranged in noise cancellation apparatus in the embodiment of the present invention;
Figure 17 is that the structural schematic diagram extended on the downside of air duct is arranged in noise cancellation apparatus in the embodiment of the present invention;
Figure 18 is that air-cooled ducted air conditioner is mounted on the structural schematic diagram in furred ceiling in the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " 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 To be mechanical connection;It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary It is logical.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The orientation of the instructions such as term " center ", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outside" or Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not It can be interpreted as limitation of the present invention.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply Ground includes one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or It is more than two.
In the description of the present invention, "and/or", only a kind of incidence relation for describing affiliated partner, expression can deposit In three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B. In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
Air-cooled ducted air conditioner is the abbreviation of concealed air-conditioning, is referred to as air conditioning wind pipe machine or air hose air conditioner.Due to air hose Machine solves the problems, such as that on-hook, cabinet-type air conditioner are exposed influences beauty outside, and demand is also increasing.Referring to Fig.1, air-cooled ducted air conditioner 1 Be internally provided with blower 11, when blower 11 run when, blower 11 generate noise and air flowed in air-cooled ducted air conditioner pipeline 12 Dynamic noise can all be propagated along air-cooled ducted air conditioner pipeline 12, and noise travels to interior through air-cooled ducted air conditioner pipeline 12, to influence people's Quality of life.
Referring to fig. 2, a kind of noise reduction components 2 for air-cooled ducted air conditioner that the embodiment of the present invention provides, including noise measuring dress Set 21, noise cancellation apparatus 22, noise error detection device 23 and controller, wherein noise detection device 21, noise cancellation apparatus 22 And noise error detection device 23 is connect with controller, noise cancellation apparatus 22 is located at noise detection device 21 and noise error is examined It surveys between device 23, the first noise signal of the air-cooled ducted air conditioner 1 that controller is used to be detected according to noise detection device 21 controls de-noising Device 22 issues the antiphase noise reduction sound of the first noise signal;And according to wind after the noise reduction of the detection of noise error detection device 23 Second noise signal of pipe machine 1, the antiphase noise reduction sound for the first noise signal that adjustment noise cancellation apparatus 22 issues.
Noise reduction components 2 provided in an embodiment of the present invention for air-cooled ducted air conditioner, including noise detection device 21, noise cancellation apparatus 22, noise error detection device 23 and controller, wherein noise detection device 21, noise cancellation apparatus 22 and noise error inspection Device 23 is surveyed to connect with controller.When air-cooled ducted air conditioner 100 is run, noise detection device 21 is able to detect the generation of air-cooled ducted air conditioner 100 Operation noise, the first noise signal that obtains the first noise signal, and will test feeds back to controller, and controller is according to making an uproar The first noise signal that sound detection device 21 detects, processing obtain the antiphase de-noising signal of the first noise signal, then will Obtained antiphase de-noising signal is transferred to noise cancellation apparatus 22, and noise cancellation apparatus 22 issues antiphase noise reduction sound, and air-cooled ducted air conditioner 100 produces Raw operation noise and antiphase noise reduction sound can offset each other, to reduce the noise of the generation of air-cooled ducted air conditioner 100;Compared to The prior art, noise error detection device 23 are able to detect that the operation noise in the air-cooled ducted air conditioner 100 after noise reduction, obtain second and make an uproar Sound signal, and the second noise signal that will test feeds back to controller, controller is according to the second noise signal to the first noise The antiphase noise reduction sound of signal is adjusted, to reduce the detection error of noise detection device 21 and the letter of controller Number processing error, match antiphase de-noising signal more with the first noise signal, further improve the noise reduction to air-cooled ducted air conditioner 100 Effect.
Further, above controller includes filter circuit, filter circuit noise detection device 21 can be detected One noise signal is filtered, to obtain the antiphase de-noising signal of the first noise signal.
Optionally, in noise reduction components 2 there are many fixed forms of each component.In some embodiments, noise reduction components 2 also wrap It includes and splits shape set casing 19, noise detection device 21, which is fixed on, splits the lesser one end of 19 sectional area of shape set casing (lower to be known as front end) Interior, noise cancellation apparatus 22, which is mounted on, splits the biggish one end of 19 upper section of shape set casing product (lower to be known as rear end), as seen in figures 3-6.Phase Be rectangular scheme compared with set casing, the front elevational sectional product for splitting shape set casing 19 is smaller, and split the sectional area of shape set casing 19 from Front end is gradually increased to rear end, when the front end that noise reduction components 2 are applied to air-cooled ducted air conditioner and split shape set casing 19 is windward side When, air is after the front end of shape set casing 19 is split in arrival, and the front end for splitting shape set casing 19 is small to the resistance of air, the direction of air-flow It will not have greatly changed, the flow velocity of air is still very fast, biggish aerodynamic noise will not be generated, to the wind field in air-cooled ducted air conditioner It influences smaller.
Based on the above embodiment, optionally, multiple entrant sounds are offered splitting the lesser one end of 19 upper section of shape set casing product Hole 24 can be such that the operation noise (noise of the noise, air that such as blower 11 generates by the generation of heat exchanger 16) of air-cooled ducted air conditioner enters It splits in shape set casing 19;It splits the biggish one end of 19 upper section of shape set casing product and is equipped with the first opening 25, noise cancellation apparatus 22 is loudspeaking Device, for the vibrating diaphragm of noise cancellation apparatus 22 towards the outside for splitting shape set casing 19, loudspeaker can obtain antiphase noise letter from controller Number, and the corresponding antiphase noise reduction sound of the antiphase noise signal is radiated in air.Optionally, shape set casing 19 is being split The lesser one end of upper section product and the biggish one end in section offer opening, split so that the operation noise of air-cooled ducted air conditioner be facilitated to enter Antiphase noise reduction sound is spread out of in shape set casing 19 in shape set casing 19 or from splitting.
Optionally, the noise reduction components 2 of the embodiment of the present invention further include entrant sound lid 26, and the lid of entrant sound lid 26 is closed in noise cancellation apparatus 22 Vibrating diaphragm on the outside of, entrant sound lid 26 can reduce the vapor in air and directly contact with the vibrating diaphragm of noise cancellation apparatus 22.
Further, above-mentioned entrant sound lid 26 and split that be enclosed with radix saposhnikoviae on the lesser one end of 19 upper section of shape set casing product anti- Damp acoustic window material, the vapor that windproof and moisture proof acoustic window material can further avoid in air enter noise detection device 21 and disappear It makes an uproar in device 22, to guarantee that noise detection device 21 and noise cancellation apparatus 22 also can be used normally in wet condition.
It should be understood that each surface of above-mentioned entrant sound lid 26 is provided with sound penetrating hole 24, what noise cancellation apparatus 22 issued Sound is spread out of from sound penetrating hole 24, is cancelled out each other with the operation noise generated in air-cooled ducted air conditioner 100, to realize reduction noise.It can Selection of land, the shell shape of entrant sound lid 26 can be rectangular or split shape, be not specifically limited at this to the shape of entrant sound lid 26.Cause The windage for splitting shape entrant sound lid is smaller, and the shell of the entrant sound lid 26 in the embodiment of the present invention is set as splitting shape.
Further, above-mentioned windproof and moisture proof acoustic window material is in melamine foam, general celo foam difficult to understand and polyurethane foam It is any, above-mentioned material all has the comprehensive performances such as preferable sound absorption properties, anti-flammability, thermal insulation, hydrothermal stability, not only Guarantee noise detection device 21 and noise cancellation apparatus 22 can normal use in wet condition, blower 11 and air can also be absorbed The partial noise generated through heat exchanger 16 further improves the noise reduction effect of noise reduction components 2.
In order to reduce influence of the noise reduction components 2 to wind field and controller be avoided to occupy additional space, the present invention is implemented Controller is mounted on by example to be split in shape set casing 19, and between noise detection device 21 and noise cancellation apparatus 22, controller energy It is enough to separate noise detection device 21 and noise cancellation apparatus 22, avoid the two from influencing each other.
Referring to Fig. 7, the embodiments of the present invention also provide a kind of air-cooled ducted air conditioner 100, including shell 13 and it is mounted on shell The above-mentioned noise reduction components 2 for air-cooled ducted air conditioner on 13.Since air-cooled ducted air conditioner 100 provided in an embodiment of the present invention includes described above For the noise reduction components 2 of air-cooled ducted air conditioner, so can also generate identical technical effect, identical technical problem is solved.Thus air hose The noise that machine 100 generates is reduced after above-mentioned noise reduction components 2, to further reduced the generation of air-cooled ducted air conditioner 100 Noise, improve user experience degree and comfort level.
Optionally, as shown in fig. 7, comprises offering return air inlet 14 on shell 13, shell 13 is interior to pacify the structure of air-cooled ducted air conditioner 100 Equipped with blower 11, noise detection device 21a, noise cancellation apparatus 22a and noise error detection device 23a are installed in blower 11 Between inlet side and return air inlet 14 and noise detection device 21a is located at noise cancellation apparatus 22a close to the side of blower 11, and noise misses Poor detection device 23a is located at side of the noise cancellation apparatus 22a far from blower 11.Since noise a part that blower 11 generates can be back The direction in air port 14 is propagated, and noise detection device 21a is set to noise cancellation apparatus 22a close to the side of blower 11, can be to wind Machine 11 is detected towards the noise that 14 direction of return air inlet is propagated, while noise error detection device 23a is set to noise cancellation apparatus Side of the 22a far from blower 11 can carry out second to the noise after 100 noise reduction of air-cooled ducted air conditioner and detect, obtain the second noise letter Number, and the second noise signal that will test feeds back to controller, the antiphase noise reducing that controller issues noise cancellation apparatus 22a Sound is adjusted, thus realize to before blower 11 aerodynamic noise and the noise propagated towards return air inlet direction of blower 11 carry out Noise reduction.
Correspondingly, it is also provided with air outlet 15 on above-mentioned shell 13, blower 11, noise detection device is installed in shell 13 21b, noise cancellation apparatus 22b and noise error detection device 23b be installed between the air side of blower 11 and air outlet 15 and Noise detection device 21b is located at noise cancellation apparatus 22b close to the side of blower 11, and noise error detection device 23b is located at de-noising dress Set side of the 22b far from blower 11, as shown in fig. 7, to after blower 11 aerodynamic noise and blower 11 towards direction of air outlet pass The noise broadcast carries out noise reduction.
It should be noted that " preceding " refers to that, close to the side of return air inlet 14, " rear " refers to close to the side of air outlet 15.It can Selection of land, above-mentioned noise reduction components include the first noise reduction components 2a and the second noise reduction components 2b, wherein the first noise reduction components 2a is mounted on Between the inlet side and return air inlet 14 of blower 11, the second noise reduction components 2b be mounted on blower 11 air side and air outlet 15 it Between, as shown in fig. 7, being respectively provided with noise reduction components at the return air inlet 14 and air outlet 15 of shell 13, compares and only set in side Set noise reduction components, this programme not only may be implemented to before blower 11 aerodynamic noise and blower 11 propagated towards return air inlet direction Noise carry out noise reduction, also may be implemented to after blower 11 aerodynamic noise and blower 11 towards the noise that direction of air outlet is propagated into Row noise reduction, noise reduction effect are more preferable.
Referring to Fig. 8, noise detection device 21, noise cancellation apparatus 22 and noise error detection device 23 are spaced setting.It examines The algorithmic delay for considering controller, when the distance between noise detection device 21 and noise cancellation apparatus 22 d are less than 5cm, noise inspection Survey the distance between device 21 and noise cancellation apparatus 22 d is too short, and noise cancellation apparatus 22 has enough time receiving controller sending not yet Antiphase de-noising signal and sending antiphase noise reduction sound, noise and air the making an uproar by heat exchanger 16 that blower 11 generates Sound has just propagated at noise error detection device 23, cannot achieve active noise reduction;When noise detection device 21 and noise cancellation apparatus When the distance between 22 d are greater than 30cm, the geometric dimension of noise reduction components is excessive, and may cause can not install to air-cooled ducted air conditioner.Cause This, the distance between noise detection device 21 and noise cancellation apparatus 22 d control are advisable in the range of 5cm~30cm.
Further, be also equipped with heat exchanger 16 in shell 13, the mountable inlet side in blower 11 of heat exchanger 16 with return It is also mountable between the air side and air outlet 15 of blower 11 between air port 14.In order to reach different noise reduction effects, noise reduction There are many arrangements for the opposite blower 11 of component 2 and heat exchanger 16.Air side and the outlet air of blower 11 are set with heat exchanger 16 For between mouth 15, the opposite noise reduction components 2 of several heat exchangers 16 are listed below in the arrangement of different location.
The first arrangement are as follows: heat exchanger 16 is between blower 11 and noise detection device 21, that is to say, that will make an uproar Sound detection device 21 is arranged in heat exchanger low-pressure side, as shown in Figure 8;Noise detection device 21 is able to detect that blower 11 generated Noise and the aerodynamic noise generated after heat exchanger 16, and blower 11 is generated by noise cancellation apparatus 22 noise and through heat exchanger The aerodynamic noise generated after 16 carries out noise reduction, obtains preferable noise reduction effect.
Second of arrangement are as follows: heat exchanger 16 is between noise detection device 21 and noise cancellation apparatus 22, such as Fig. 9 institute Show;Noise detection device 21 is able to detect that the aerodynamic noise before the noise and heat exchanger 16 that blower 11 generates, and passes through de-noising Aerodynamic noise before noise and heat exchanger 16 that device 22 generates blower 11 carries out noise reduction, obtains preferable noise reduction effect, And reduce the influence of wind field after 2 heat exchanging device 16 of noise reduction components, suitable for the aerodynamic noise that is generated after heat exchanger 16 compared with Low situation.
The third arrangement are as follows: heat exchanger 16 is such as schemed between noise cancellation apparatus 22 and noise error detection device 23 Shown in 10;Noise detection device 21 and noise cancellation apparatus 22 are all moved forward to heat exchanger high-voltage side by compared to second arrangement, It only needs by the air-flow that heat exchanger is blown out by noise error detection device 23, so that it is right to further reduce noise reduction components 2 The influence of wind field.In addition, upside or noise cancellation apparatus in 12 inner wall of air-cooled ducted air conditioner pipeline also can be set in above-mentioned noise cancellation apparatus 22 22 also can be set in the downside of 12 inner wall of air-cooled ducted air conditioner pipeline, be not specifically limited herein.
4th kind of arrangement are as follows: noise detection device 21 includes the first noise detection device 21a and the second noise measuring Device 21b, the second noise detection device 21b are between the first noise detection device 21a and noise cancellation apparatus 22, and 16, heat exchanger Between the first noise detection device 21a and the second noise detection device 21b, as shown in figure 11;When blower 11 is run, first Noise detection device 21a is used for the noise that detection blower fan 11 itself generates, and the second noise detection device 21b is for detecting air warp The noise that the noise and heat exchanger 16 for crossing blower 11 generation itself generate, the first noise detection device 21a and the inspection of the second noise It surveys the noise that device 21b is detected and feeds back to controller, thus can reduce blower 11 itself simultaneously by noise cancellation apparatus 22 The noise and air of generation pass through the noise that heat exchanger 16 generates, and testing result is more acurrate, and noise reduction effect is more preferable.
It should be understood that the high-pressure side of heat exchanger 16 refer to heat exchanger 16 close to the side of blower 11, heat exchanger 16 Low-pressure side refers to side of the heat exchanger 16 far from blower 11.Certainly, the inlet side of blower 11 is mounted on for heat exchanger 16 and returned Scheme between air port 14, by noise detection device 21, noise cancellation apparatus 22 and noise error detection device 23 and above-mentioned arrangement Mode is symmetrical, does not just repeat one by one herein.
In order to reach better noise reduction effect, noise detection device 21, noise cancellation apparatus 22 in above-mentioned noise reduction components 2 and The effect that the quantity of noise error detection device 23 can be tested according to noise reduction determines, can be one, can also be multiple.It can Selection of land, the quantity of noise detection device 21 can be 2~8, and the quantity of noise cancellation apparatus 22 can be 2~6, noise error inspection The quantity for surveying device 23 can be 2~10, noise detection device 21, noise cancellation apparatus 22 and noise error detection device 23 Particular number is not specifically limited herein.Further, referring to Fig.1 2, the length direction of shell 13 refers to the side X in Figure 12 To the width direction of shell 13 refers to that the Y-direction in Figure 12, the short transverse of shell 13 refer to the Z-direction in Figure 12.It is more A noise cancellation apparatus 22 can be arranged along the width direction interval of shell 13, can also set along the short transverse interval of shell 13 It sets or multiple noise cancellation apparatus 22 is located in the same section of X-direction, and be provided at circumferentially spaced around the inner wall of shell 13.Tool Body, as shown in figure 13, the quantity n of noise cancellation apparatus 22 is multiple, and multiple noise cancellation apparatus 22 are along the width direction of shell 13 Interval setting.
Compared to noise cancellation apparatus 22, the quantity of noise detection device 21 can be more, are able to detect in shell 13 different The noise signal in region, so that testing result is more accurate, the antiphase de-noising signal and the first noise signal that controller obtains It more matches, noise reduction effect is more preferable.Similarly, noise error detection device 23 compared to noise detection device 21 quantity more than one A bit.
Noise detection device 21, noise cancellation apparatus 22 and noise error inspection in order to realize noise reduction effect, in noise reduction components 2 It surveys device 23 and is required to interval setting.Scheme between blower 11 and noise detection device 21 is arranged in for heat exchanger 16, i.e., Noise reduction components 2 are respectively positioned between blower 11 and air outlet 15, need the spacing between blower 11 and air outlet 15 larger, so that on State the biggish air-cooled ducted air conditioner 100 of spacing that the scheme of embodiment is only applicable between blower 11 and air outlet 15.In order to expand noise reduction The application range of component, as seen in figures 3-6, for the small-pitch air-cooled ducted air conditioner between blower 11 and air outlet 15, in outlet air It is equipped at mouth 15 and extends air duct 18, noise detection device 21 and noise cancellation apparatus 22, which are mounted on, to be extended on air duct 18.
In some embodiments, noise reduction components 2 further include mounting bracket 27, mounting bracket 27 by noise detection device 21 with Shell 13 connects, and as shown in Figure 14~15, the structure of mounting bracket 27 is simpler so that the influence to the wind field of air-cooled ducted air conditioner compared with It is small.
In order to further decrease influence of the noise reduction components 2 to wind field, as shown in Figure 14~15, noise cancellation apparatus 22 is fixed on shell The outside of body 13, and the vibrating diaphragm of noise cancellation apparatus 22 is connected to the inside of shell 13.Optionally, noise cancellation apparatus 22 is arranged in shell 13 Upside, the vibrating diaphragm of noise cancellation apparatus downward, as shown in Figure 14~15;Or the downside of shell 13 is arranged in noise cancellation apparatus 22, disappears Make an uproar device 22 vibrating diaphragm upward, as shown in Figure 16~17;Or the left side of shell 13, noise cancellation apparatus 22 is arranged in noise cancellation apparatus 22 Vibrating diaphragm towards the right side;Or noise cancellation apparatus 22 is arranged in the right side of shell 13, the vibrating diaphragm of noise cancellation apparatus 22 is towards a left side;Or noise cancellation apparatus 22 have it is multiple, multiple noise cancellation apparatus 22 shell 13 appoint two sides, wantonly three side or four sides be respectively set, for noise cancellation apparatus 22 Specific location without limitation, as long as guarantee noise cancellation apparatus 22 vibrating diaphragm towards shell 13 inside and connect with the inside of shell 13 Leading to can.
In order to realize the installation of air-cooled ducted air conditioner 100, it is equipped with furred ceiling 200, entire air-cooled ducted air conditioner shell 13 on the ceiling of the room It is mounted in the furred ceiling 200, furred ceiling return air inlet 28 corresponding with shell return air inlet 14, and and shell is offered on furred ceiling 200 The corresponding furred ceiling air outlet 29 of air outlet 15, and grid 17 is mounted on furred ceiling return air inlet 28 and furred ceiling air outlet 29.It is optional Ground, noise error detection device 23 are mounted at the air outlet 15 of shell 13;Or noise error detection device 23 is mounted on and hangs On the grid 17 for ejecting air port 29, as shown in figure 18.
Optionally, noise error detection device 23 can also be fixed on the grid 17 of furred ceiling air outlet 29 by mounting bracket On.For noise detection device 21 and noise error detection device 23 are immobilized in the shell air duct above by mounting bracket Scheme is enclosed with windproof and moisture proof acoustic window material outside noise detection device 21 and noise error detection device 23, to guarantee In wet condition noise detection device 21 and noise error detection device 23 can be used normally.
In the description of this specification, particular features, structures, materials, or characteristics can be real in any one or more Applying can be combined in any suitable manner in example or example.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims It is quasi-.

Claims (15)

1. a kind of noise reduction components for air-cooled ducted air conditioner, which is characterized in that including controller, and connect with the controller Noise detection device, noise cancellation apparatus and noise error detection device, the noise cancellation apparatus be located at the noise detection device with Between the noise error detection device, the air-cooled ducted air conditioner of the controller for being detected according to the noise detection device First noise signal controls the antiphase noise reduction sound that the noise cancellation apparatus issues first noise signal;And according to described Second noise signal of the air-cooled ducted air conditioner after the noise reduction of noise error detection device detection, adjusts the institute that the noise cancellation apparatus issues State the antiphase noise reduction sound of the first noise signal.
2. the noise reduction components according to claim 1 for air-cooled ducted air conditioner, which is characterized in that the noise reduction components further include splitting Shape set casing, the noise detection device are fixed on the shape set casing upper section of splitting and accumulate in lesser one end, the de-noising dress It sets and splits the biggish one end of shape set casing upper section product described in being mounted on.
3. the noise reduction components according to claim 2 for air-cooled ducted air conditioner, which is characterized in that described to split shape set casing upper section The lesser one end of product offers multiple sound penetrating holes, and described biggish one end of shape set casing upper section product of splitting is equipped with the first opening, institute Stating noise cancellation apparatus is loudspeaker, and the vibrating diaphragm of the noise cancellation apparatus splits the outside of shape set casing described in.
4. the noise reduction components according to claim 3 for air-cooled ducted air conditioner, which is characterized in that the noise reduction components further include Sound lid, the entrant sound lid lid closes on the outside of the vibrating diaphragm of the noise cancellation apparatus and the entrant sound lid and described split are cut on shape set casing Area is enclosed with windproof and moisture proof acoustic window material on lesser one end.
5. the noise reduction components according to claim 2 for air-cooled ducted air conditioner, which is characterized in that the controller is mounted on described It splits in shape set casing.
6. a kind of air-cooled ducted air conditioner, which is characterized in that including in shell and installation the claims 1~5 on the housing Described in any item noise reduction components for air-cooled ducted air conditioner.
7. air-cooled ducted air conditioner according to claim 6, which is characterized in that return air inlet is offered on the shell, in the shell Blower is installed, the noise detection device, the noise cancellation apparatus and the noise error detection device are installed in described Between the inlet side of blower and the return air inlet and the noise detection device is located at the noise cancellation apparatus close to the blower Side, the error noise detection device are located at side of the noise cancellation apparatus far from the blower.
8. air-cooled ducted air conditioner according to claim 6, which is characterized in that air outlet is offered on the shell, in the shell Blower is installed, the noise detection device, the noise cancellation apparatus and the noise error detection device are installed in described Between the air side of blower and the air outlet and the noise detection device is located at the noise cancellation apparatus close to the blower Side, the error noise detection device are located at side of the noise cancellation apparatus far from the blower.
9. air-cooled ducted air conditioner according to claim 8, which is characterized in that be also equipped with heat exchanger, the heat exchange in the shell Device is between the blower and the noise detection device.
10. air-cooled ducted air conditioner according to claim 8, which is characterized in that be also equipped with heat exchanger, the heat exchange in the shell Device is between the noise detection device and the noise cancellation apparatus.
11. air-cooled ducted air conditioner according to claim 8, which is characterized in that be also equipped with heat exchanger, the heat exchange in the shell Device is between the noise cancellation apparatus and the noise error detection device.
12. air-cooled ducted air conditioner according to claim 8, which is characterized in that the noise detection device includes the first noise measuring Device and the second noise detection device, second noise detection device are located at first noise detection device and the de-noising Between device;It is also equipped with heat exchanger in the shell, the heat exchanger is located at first noise detection device and described the Between two noise detection devices.
13. the air-cooled ducted air conditioner according to any one of claim 6~12, which is characterized in that the noise reduction components further include peace Bracket is filled, the noise detection device is connect by the mounting bracket with the shell.
14. the air-cooled ducted air conditioner according to any one of claim 6~12, which is characterized in that the noise cancellation apparatus is fixed on institute The outside of shell is stated, and the vibrating diaphragm of the noise cancellation apparatus is connected to the inside of the shell.
15. air-cooled ducted air conditioner according to claim 6, which is characterized in that it is equipped at the air outlet of the shell and extends air duct, The noise detection device, the noise cancellation apparatus and the noise error detection device are installed on the extension air duct.
CN201910606287.5A 2019-07-05 2019-07-05 A kind of noise reduction components and air-cooled ducted air conditioner for air-cooled ducted air conditioner Pending CN110500762A (en)

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CN201910606287.5A CN110500762A (en) 2019-07-05 2019-07-05 A kind of noise reduction components and air-cooled ducted air conditioner for air-cooled ducted air conditioner
CN202010130828.4A CN111059753A (en) 2019-07-05 2020-02-28 Air duct machine
CN202020227870.3U CN211695344U (en) 2019-07-05 2020-02-28 Air duct machine
CN202020227020.3U CN211823082U (en) 2019-07-05 2020-02-28 Air duct machine
CN202010129724.1A CN111059752A (en) 2019-07-05 2020-02-28 Air duct machine
PCT/CN2020/091199 WO2021004166A1 (en) 2019-07-05 2020-05-20 Ducted air conditioner
PCT/CN2020/091202 WO2021004167A1 (en) 2019-07-05 2020-05-20 Ducted air conditioner

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CN202010130828.4A Pending CN111059753A (en) 2019-07-05 2020-02-28 Air duct machine
CN202010129724.1A Pending CN111059752A (en) 2019-07-05 2020-02-28 Air duct machine
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CN111059752A (en) 2020-04-24

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Application publication date: 20191126