CN208238199U - Denoising device and air conditioner - Google Patents
Denoising device and air conditioner Download PDFInfo
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- CN208238199U CN208238199U CN201820709334.XU CN201820709334U CN208238199U CN 208238199 U CN208238199 U CN 208238199U CN 201820709334 U CN201820709334 U CN 201820709334U CN 208238199 U CN208238199 U CN 208238199U
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Abstract
The utility model provides a kind of denoising device and air conditioner, wherein denoising device includes: shell, and shell has inlet and outlet；First tube body, the first end and inlet communication of the first tube body, the second end and outlet of the first tube body；Second tube body, the first end and inlet communication of the second tube body, the second end and outlet of the second tube body；Wherein, there is the runner for passing through for medium in the second tube body, be arranged to the adjustable in length of runner.The technical solution of the utility model solves the problems, such as that air conditioner muffler in the prior art is not able to satisfy the asynchronous noise reduction demand of system frequency.
Description
Technical field
The utility model relates to technical field of refrigeration equipment, in particular to a kind of denoising device and air conditioner.
Background technique
Air conditioner muffler in the prior art generallys use resistant noise-reducing device to solve transmitting mail topic.Wherein, existing skill
Resistant noise-reducing device used in art has fixed noise elimination cavity length, therefore frequency of noise elimination and sound deadening capacity are fixed, cannot
Adapt to the demand of different frequency and different system sizes.Running to different frequency bands particularly with existing compressor assembly can go out
Existing different transmitting voice frequency, existing muffler specification are not able to satisfy the demand of various operating conditions.
Utility model content
The main purpose of the utility model is to provide a kind of denoising device and air conditioners, to solve sky in the prior art
The problem of adjusting muffler not to be able to satisfy the asynchronous noise reduction demand of system frequency.
To achieve the goals above, one aspect according to the present utility model provides a kind of denoising device, comprising: shell
Body, shell have inlet and outlet；First tube body, the first end and inlet communication of the first tube body, the second end of the first tube body with
Outlet；Second tube body, the first end and inlet communication of the second tube body, the second end and outlet of the second tube body；Wherein,
There is the runner for passing through for medium in second tube body, be arranged to the adjustable in length of runner.
Further, denoising device further include: regulating device, regulating device and the second tube body cooperate, and regulating device is matched
It is set to the length that can change the intracorporal runner of the second pipe.
Further, the second tube body includes the first pipeline section and the second pipeline section of setting nested against one another, and the fixation of the first pipeline section is set
It sets in shell, the second pipeline section can be mobile relative to the first pipeline section.
Further, denoising device further include: driving mechanism, driving mechanism is matched with the second pipeline section merges the second pipeline section of driving
It is mobile relative to the first pipeline section, wherein the second pipeline section and driving mechanism form regulating device.
Further, the first pipeline section includes: first segment, the first end and inlet communication of first segment, the second end of first segment
Second end relative to first segment bends setting；Second segment, the first end and outlet of second segment, the second end phase of second segment
Setting is bent for the second end of second segment；Wherein, the second pipeline section be in bending or bending, the first end of the second pipeline section with
The second end nesting of first segment is arranged, the second end of the second pipeline section and the nested setting of the second end of second segment.
Further, the second pipeline section is U-tube.
Further, the second end of first segment is 90 degree relative to the angle that the first end of first segment is bent.
Further, the second end of second segment is 90 degree relative to the angle that the first end of second segment is bent.
Further, driving mechanism is driving motor, and driving rack, the motor shaft of driving motor are provided on the second pipeline section
On be provided with transmission gear, transmission gear and driving rack are worked in coordination.
Further, the support flange extended towards enclosure interior is provided on shell, driving motor is fixed at branch
It supports on flange.
Further, the length of runner is obtained by following formula: L2=L1+0.5*c*N/f；Wherein, L2 is the length of runner
Degree, L1 are the length of the first tube body, and C is the speed that sound is propagated in the medium, and N is positive integer, and f is the frequency of noise signal.
Further, denoising device further includes setting in the intracorporal first noise measuring structure of shell, and f is examined by the first noise
Geodesic structure detects to obtain.
Further, denoising device further includes being spaced apart and arranged in the intracorporal first partition of shell and second partition, first every
Plate and second partition the intracorporal space of shell is divided into the first cavity, the second cavity and be located at the first cavity and the second cavity it
Between third cavity, import is connected to the first cavity, and outlet is connected to the second cavity, and the first tube body and the second tube body are arranged at
In third cavity, wherein the first end of the first tube body and the first end of the second tube body are both connected in first partition, the first tube body
Second end and the second end of the second tube body be both connected on second partition.
Further, the second noise measuring structure is provided on second partition.
Another aspect according to the present utility model, provides a kind of air conditioner, including denoising device, and denoising device is above-mentioned
Denoising device.
Work as using the technical solution of the utility model since the second intracorporal flow channel length of pipe is adjustably arranged
When system noise frequency difference, by changing above-mentioned flow channel length, so that original noise signal passes through the first tube body and second
It is broken down into that frequency is identical with amplitude after tube body, 180 ° of phase phase difference of two groups of signals are overlapped mutually counteracting by two groups of signals,
Realize the purpose of active noise reduction.Above structure can satisfy the need eliminated the noise when system frequency variation to the noise of different frequency
It asks.Therefore when the technical solution of the utility model solves air conditioner muffler in the prior art and is not able to satisfy system frequency difference
Noise reduction demand the problem of.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 shows the schematic diagram of internal structure of the embodiment of denoising device according to the present utility model；
Fig. 2 shows enlarged diagrams at A in Fig. 1；
Fig. 3 shows the schematic top plan view of denoising device in Fig. 1；
Fig. 4 shows the schematic cross-sectional view of the shell of denoising device in Fig. 1；
Fig. 5 shows the second pipeline section of denoising device in Fig. 1 and the structural schematic diagram of driving rack；
Fig. 6 shows the schematic cross-sectional view of the second pipeline section and driving rack in Fig. 5；And
Fig. 7 shows the flow diagram of the control method of denoising device in Fig. 1.
Wherein, the above drawings include the following reference numerals:
10, shell；11, import；12, it exports；13, flange is supported；14, first partition；15, second partition；16, the first chamber
Body；17, the second cavity；18, third cavity；20, the first tube body；30, the second tube body；31, the first pipeline section；311, first segment；
312, second segment；32, the second pipeline section；40, regulating device；50, driving mechanism；60, driving rack；70, transmission gear；80,
One noise measuring structure；90, the second noise measuring structure.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the application and its application or making
Any restrictions.Based on the embodiment in the application, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall in the protection scope of this application.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As depicted in figs. 1 and 2, the denoising device of the present embodiment includes shell 10, the first tube body 20 and the second tube body 30.Its
In, shell 10 has import 11 and outlet 12.The first end of first tube body 20 is connected to import 11, the second end of the first tube body 20
It is connected to outlet 12.The first end of second tube body 30 is connected to import 11, and the second end of the second tube body 30 is connected to outlet 12.The
There is the runner for passing through for medium in two tube bodies 30, be arranged to the adjustable in length of runner.
Work as using the technical solution of the present embodiment since the flow channel length in the second tube body 30 is adjustably arranged
When system noise frequency difference, by changing above-mentioned flow channel length, so that original noise signal passes through the first tube body 20 and the
It is broken down into that frequency is identical with amplitude after two tube bodies 30,180 ° of phase phase difference of two groups of signals are overlapped mutually by two groups of signals
It offsets, realizes the purpose of active noise reduction.Above structure disappears to the noise of different frequency when can satisfy system frequency variation
The demand of sound.Therefore the technical solution of the present embodiment solves air conditioner muffler in the prior art and is not able to satisfy system frequency not
Simultaneously noise reduction demand the problem of.
It should be noted that equally there is the runner for passing through medium in the first tube body 20, but first in the present embodiment
The length of tube body 20 is fixed.Certainly, in a not shown embodiment, the flow channel length of the first tube body 20 also can be set
To be adjustable, also the flow channel length in the flow channel length and the second tube body 30 in the first tube body 20 can be disposed as growing
Spend adjustable structure.
As depicted in figs. 1 and 2, in the technical scheme of this embodiment, denoising device further includes regulating device 40.Adjust dress
Set 40 and second tube body 30 cooperate, regulating device 40 be configured to change the second tube body 30 in runner length.Specifically
Ground, regulating device 40 can be changed the flow channel length in the second tube body 30 according to the frequency difference of noise, to realize
The effect of active noise reduction.
As depicted in figs. 1 and 2, in the technical scheme of this embodiment, the second tube body 30 includes the of setting nested against one another
One pipeline section 31 and the second pipeline section 32, the first pipeline section 31 are fixed in shell 10, and the second pipeline section 32 can be relative to the first pipe
Section 31 is mobile.Specifically, when the second pipeline section 32 is stretched out relative to the first pipeline section 31 namely the second pipeline section 32 and the first pipeline section 31
Between lap when tailing off, the length of 30 inner flow passage of the second tube body.Correspondingly, when the second pipeline section 32 is relative to first
When lap when pipeline section 31 retracts namely between the second pipeline section 32 and the first pipeline section 31 becomes more, 30 inner flow passage of the second tube body
Length reduce.Namely by when the second pipeline section 32 moved relative to the first pipeline section 31, can be realized and adjust the second tube body
The purpose of the length of 30 inner flow passages.
Certainly, the mesh for changing 30 inner flow passage length of the second tube body can also be realized using other structures in the application
's.Such as in a not shown embodiment, the second tube body 30 itself can be set by being made of elastic material, by
Two tube bodies 30, which stretch, can be realized the effect for adjusting 30 inner flow passage length of the second tube body.For another example the second tube body 30 includes
The circulation length of the branch of multiple parallel connections, each branch is different, and each road is respectively provided with valve mechanism, by controlling some
Valve mechanism opens the length of i.e. changeable second tube body, 30 inner flow passage.
As depicted in figs. 1 and 2, in the technical scheme of this embodiment, denoising device further includes driving mechanism 50.Driving machine
Structure 50 is mobile relative to the first pipeline section 31 with the second pipeline section 32 of driving is merged with the second pipeline section 32, wherein the second pipeline section 32 and drive
Motivation structure 50 forms regulating device 40.Specifically, the driving mechanism 50 in the present embodiment is capable of providing driving force, and manages to second
The position of section 32 is accurately adjusted.Certainly, in a not shown embodiment, the second pipeline section 32 obstructed can also overdrive machine
Structure 50 provides driving force to be moved, such as is operated and adjusted the position of the second pipeline section 32 to the second pipeline section 32 manually
It is feasible scheme.
As shown in Fig. 2, in the technical scheme of this embodiment, the first pipeline section 31 includes first segment 311 and second segment 312.
Wherein, the second end of the first end and inlet communication of first segment 311, first segment 311 is bent relative to the second end of first segment 311
Setting.The second end of the first end and outlet of second segment 312, second segment 312 is bent relative to the second end of second segment 312
Setting.Second pipeline section 32 is in bending or bending, and the first end of the second pipeline section 32 is nested with the second end of first segment 311 to be set
It sets, the setting nested with the second end of second segment 312 of the second end of the second pipeline section 32.It can be observed from fig. 2 that first segment 311 and
It is located at the left and right sides of the second pipeline section 32 for two section 312, the second end of the second end and second segment 312 of first segment 311 is prolonged
It is identical to stretch direction, consequently facilitating the second pipeline section 32 is moved.
As shown in Fig. 2, in the technical scheme of this embodiment, the second pipeline section 32 is U-tube.It can be observed from fig. 2 that second
Pipeline section 32 includes two vertical sections and the changeover portion for being connected to two vertical section bottoms.Further, the two of the second pipeline section 32
The second end of the second end and second segment 312 of a vertical section and first segment 311 extends towards vertical direction, so that
Second pipeline section 32 can be moved up and down relative to first segment 311 and second segment 312.
As shown in Fig. 2, in the technical scheme of this embodiment, the second end of first segment 311 relative to first segment 311
The angle of one end bending is 90 degree.Specifically, the first end of first segment 311 extends towards horizontal direction, and the second of first segment 311
End extends towards vertically downward direction.
As shown in Fig. 2, in the technical scheme of this embodiment, the second end of second segment 312 relative to second segment 312
The angle of one end bending is 90 degree.Specifically, the first end of second segment 312 extends towards horizontal direction, and the second of second segment 312
End extends towards vertically downward direction.Preferably, the first of the central axis and second segment 312 of the first end of first segment 311
The central axis at end is overlapped.
As shown in Figure 5 and Figure 6, in the technical scheme of this embodiment, driving mechanism 50 is driving motor, the second pipeline section 32
On be provided with driving rack 60, transmission gear 70, transmission gear 70 and driving rack 60 are provided on the motor shaft of driving motor
It works in coordination.Specifically, driving rack 60 is arranged on the horizontal segment of the second U-shaped pipeline section 32 and extends upward.When
Transmission gear 70 rotates forward or is able to drive when rotating backward the second pipeline section 32 and moves up or move down.It needs
Bright, showing driving rack in Fig. 5 and Fig. 6 includes two opposite rack structures, however, to ensure that the second pipeline section 32
It can move up and down, transmission gear 70 is only engaged with one of rack structure.
As shown in Figure 3 and Figure 4, in the technical scheme of this embodiment, it is provided on shell 10 towards prolonging inside shell 10
The support flange 13 stretched, driving motor are fixed on support flange 13.Specifically, it is located at the second pipeline section 32 in shell 10
Top position at be punched into a notch, and above-mentioned support flange 13 is formd after shell 10 is bent downward.Drive
The control device of dynamic motor and driving motor is fixed on support flange 13.Above structure makes 10 structure of shell simple
It is single, while need not other support constructions be set again to install driving motor inside shell 10.
Preferably, the length of 30 inner flow passage of the second tube body is obtained by following formula in the present embodiment:
L2=L1+0.5*c*N/f；
Wherein in above-mentioned formula, L2 is the length of 30 inner flow passage of the second tube body.L1 is the length of the first tube body 20, and C is
The speed that sound is propagated in the medium, N are positive integer, and f is the frequency of noise signal.It should be noted that above-mentioned parameter C is
Definite value, those skilled in the art can determine the numerical value of C according to the difference of medium type and operating temperature section.N is positive
Integer, and can see from above-mentioned formula, when N value is bigger, then the flow channel length in the second tube body 30 is longer.This field
Technical staff is appreciated that when N value is excessive, then will appear can occur when the second pipeline section 32 moves down with the first tube body 20
Interference.Therefore the value of N is to take positive integer in the case that space allows in shell 10.Above-mentioned parameter f is obtained by measurement.
As shown in Fig. 2, in the technical scheme of this embodiment, denoising device further includes that first be arranged in shell 10 is made an uproar
Sound detection structure 80, f are obtained by the detection of the first noise measuring structure 80.Specifically, the first noise measuring structure 80 can be surveyed
The frequency of noise signal that must be above-mentioned namely above-mentioned parameter f.
As illustrated in fig. 1 and 2, in the technical scheme of this embodiment, denoising device further includes being spaced apart and arranged in shell 10
Interior first partition 14 and second partition 15.Wherein, the space in shell 10 is divided by first partition 14 and second partition 15
First cavity 16, the second cavity 17 and the third cavity 18 between the first cavity 16 and the second cavity 17.Import 11 with
The connection of first cavity 16, outlet 12 are connected to the second cavity 17, and the first tube body 20 and the second tube body 30 are arranged at third cavity
In 18.The first end of first tube body 20 and the first end of the second tube body 30 are both connected in first partition 14, the first tube body 20
Second end and the second end of the second tube body 30 are both connected on second partition 15.Specifically, the first cavity 16,17 and of the second cavity
Third cavity 18 is individual cavity.When denoising device work, medium flows into the first cavity 16 from import 11, then medium
It is divided into two-way, a part of medium flows into the first tube body 20, and rest part medium flows into the second tube body 30.Due to first
The length of tube body 20 and the second tube body 30 is different, therefore the noise signal of two-way medium, the phase identical with amplitude that be broken down into frequency
180 ° of phase difference of two groups of signals.After medium enters to the second cavity 17, two groups of signals are overlapped mutually counteracting, to play drop
It makes an uproar effect.Further, actively the flow channel length in the second tube body 30 is carried out according to the difference of frequency noise in the application
Adjustment, to realize the purpose of active noise reduction.
As shown in Fig. 2, in the technical scheme of this embodiment, the second noise measuring structure is provided on second partition 15
90.Specifically, the second noise measuring structure 90 carries out the noise of the medium flowed out out of the first tube body 20 and the second tube body 30
Detection, if noise parameters decrease relative to the numerical value detected of the first noise measuring structure 80, illustrates denoising device energy
Enough play better noise reduction effect.
As shown in fig. 7, present invention also provides a kind of control methods of denoising device, specifically, denoising device is above-mentioned
Denoising device, control method includes: that regulating device 40 flows in the second tube body 30 according to the frequency shift medium of noise
Distance.
As shown in fig. 7, in the technical scheme of this embodiment, when complete machine booting is run, by the first noise measuring knot
Structure and the second noise measuring structure numerical value detected judge whether there is compressor noise in denoising device, if nothing, terminate
Control keeps the length of existing second tube body, 30 inner flow passage.If there is compressor noise, then according to the first noise measuring structure and
Second noise measuring structure numerical value detected, carry out spectrum analysis (mainly to the detection data of the first noise measuring structure into
Line frequency analysis), according to result of spectrum analysis, determine the length of 30 inner flow passage of the second tube body, the realization pair of controller driving motor
The control of second tube body, 30 inner flow passage length.
Present invention also provides a kind of air conditioner, the air conditioner according to the application includes denoising device, and denoising device is upper
The denoising device stated.
According to above structure, the denoising device of the application is had the following characteristics that
In the shell of denoising device design two partitions, between two partitions design have 2 channels, be respectively channel 1,
2.Original signal obtains two column frequencies behind channel 1,2 and amplitude same phase differs 180 ° of signals 1,2, and two groups of signals are mutual
Superposition is offset, and realizes the purpose of active noise reduction.Channel 2 can be adjusted according to the noise signal of different frequency sections, to adapt to not
The noise elimination demand of same frequency section.
Refrigerant in pipeline flows into the first tube body 20 and the second tube body 30 respectively.According to the first tube body 20 and the second tube body
30 length difference changes the pressure fluctuation and noise signal phase by the first tube body 20 and the second tube body 30.Pass through the first pipe
The signal of body 20 is original signal, by rationally designing the length of the second tube body 30, will be delayed by the signal of the second tube body 30
0.5N*T (T signal period, N=1,2,3 ...) is realized through the signal phase of the first tube body 20 and the second tube body 30 difference
180 °, and frequency and amplitude preservation are constant.
According to above structure, the denoising device of the application is had the advantage that
By the design of the active noise reduction muffler, solve the air-conditioning as caused by compressor transmitting mail topic, it can be achieved that
Full frequency band is eliminated the noise, and noise elimination effect is more excellent.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited scope of the present application processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present application, it is to be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System is merely for convenience of description the application and simplifies description, and in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is the limitation to the application protection scope；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
Apply for the limitation of protection scope.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (15)
1. a kind of denoising device characterized by comprising
Shell (10), the shell (10) have import (11) and outlet (12)；
The first end of first tube body (20), first tube body (20) is connected to the import (11), first tube body (20)
Second end be connected to the outlet (12)；
The first end of second tube body (30), second tube body (30) is connected to the import (11), second tube body (30)
Second end be connected to the outlet (12)；
Wherein, there is the runner for passing through for medium in second tube body (30), set to the adjustable in length of the runner
It sets.
2. denoising device according to claim 1, which is characterized in that the denoising device further include:
Regulating device (40), the regulating device (40) and second tube body (30) cooperate, and the regulating device (40) is matched
It is set to the length that can change the runner in second tube body (30).
3. denoising device according to claim 2, which is characterized in that second tube body (30) includes setting nested against one another
The first pipeline section (31) and the second pipeline section (32), first pipeline section (31) is fixed in the shell (10), described the
Two pipeline sections (32) can be mobile relative to first pipeline section (31).
4. denoising device according to claim 3, which is characterized in that the denoising device further include:
Driving mechanism (50), the driving mechanism (50) is matched with second pipeline section (32) merges driving second pipeline section (32)
It is mobile relative to first pipeline section (31),
Wherein, second pipeline section (32) and the driving mechanism (50) form the regulating device (40).
5. denoising device according to claim 4, which is characterized in that first pipeline section (31) includes:
First segment (311), the first end of the first segment (311) and the inlet communication, the second end of the first segment (311)
Second end relative to the first segment (311) bends setting；
Second segment (312), the first end of the second segment (312) and the outlet, the second end of the second segment (312)
Second end relative to the second segment (312) bends setting；
Wherein, second pipeline section (32) is in bending or bending, the first end of second pipeline section (32) and described the
One section (311) of second end nesting setting, the second end of second pipeline section (32) and the second end of the second segment (312) are embedding
Set setting.
6. denoising device according to claim 5, which is characterized in that second pipeline section (32) is U-tube.
7. denoising device according to claim 5 or 6, which is characterized in that the second end of the first segment (311) relative to
The angle of the first end bending of the first segment (311) is 90 degree.
8. denoising device according to claim 5 or 6, which is characterized in that the second end of the second segment (312) relative to
The angle of the first end bending of the second segment (312) is 90 degree.
9. denoising device according to claim 4, which is characterized in that the driving mechanism (50) is driving motor, described
It is provided on second pipeline section (32) driving rack (60), transmission gear (70), institute is provided on the motor shaft of the driving motor
It states transmission gear (70) and the driving rack (60) is worked in coordination.
10. denoising device according to claim 9, which is characterized in that be provided on the shell (10) towards the shell
The support flange (13) of body (10) internal stretch, the driving motor are fixed on the support flange (13).
11. denoising device according to claim 1, which is characterized in that the length of the runner is obtained by following formula:
L2=L1+0.5*c*N/f；
Wherein, the L2 is the length of the runner, and the L1 is the length of first tube body (20), and the C is that sound exists
The speed of the Propagation, the N are positive integer, and the f is the frequency of noise signal.
12. denoising device according to claim 11, which is characterized in that the denoising device further includes being arranged in the shell
The first noise measuring structure (80) in body (10), the f are obtained by the first noise measuring structure (80) detection.
13. denoising device according to claim 1, which is characterized in that the denoising device further includes being spaced apart and arranged in
First partition (14) and second partition (15) in the shell (10), the first partition (14) and the second partition (15)
Space in the shell (10) is divided into the first cavity (16), the second cavity (17) and is located at first cavity (16)
Third cavity (18) between second cavity (17), the import (11) is connected to first cavity (16), described
Outlet (12) is connected to second cavity (17), described in first tube body (20) and second tube body (30) are arranged at
In third cavity (18), wherein the first end of first tube body (20) and the first end of second tube body (30) are all connected with
On the first partition (14), the second end of first tube body (20) and the second end of second tube body (30) are all connected with
On the second partition (15).
14. denoising device according to claim 13, which is characterized in that be provided with second on the second partition (15) and make an uproar
Sound detection structure (90).
15. a kind of air conditioner, including denoising device, which is characterized in that the denoising device is any one of claims 1 to 14
The denoising device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820709334.XU CN208238199U (en) | 2018-05-10 | 2018-05-10 | Denoising device and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820709334.XU CN208238199U (en) | 2018-05-10 | 2018-05-10 | Denoising device and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208238199U true CN208238199U (en) | 2018-12-14 |
Family
ID=64579340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820709334.XU Active CN208238199U (en) | 2018-05-10 | 2018-05-10 | Denoising device and air conditioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626874A (en) * | 2018-05-10 | 2018-10-09 | 珠海格力电器股份有限公司 | Denoising device, the control method of denoising device and air conditioner |
| CN110848963A (en) * | 2019-10-30 | 2020-02-28 | 珠海格力电器股份有限公司 | Cavity length-adjustable formula muffler and air conditioner |
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2018
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626874A (en) * | 2018-05-10 | 2018-10-09 | 珠海格力电器股份有限公司 | Denoising device, the control method of denoising device and air conditioner |
| CN108626874B (en) * | 2018-05-10 | 2023-10-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Noise reduction device, control method of noise reduction device and air conditioner |
| CN110848963A (en) * | 2019-10-30 | 2020-02-28 | 珠海格力电器股份有限公司 | Cavity length-adjustable formula muffler and air conditioner |
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