CN103527445A - Air conditioner and noise elimination method thereof - Google Patents
Air conditioner and noise elimination method thereof Download PDFInfo
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Abstract
The invention discloses an air conditioner and a noise elimination method of the air conditioner. The air conditioner comprises a compressor, a draught fan, two noise elimination modules arranged for the compressor and the draught fan which serve as noise sources, and a noise processing module. Each noise elimination module comprises a noise detection module, an analog-to-digital conversion module, a digital-to-analog conversion module and a sound generation module. For each noise source, the corresponding noise detection module is used for collecting noise emitted by the noise source, converting the collected sound into an analog electric signal and outputting the analog electric signal, the corresponding analog-to-digital conversion module is used for converting the analog electric signal into a digital signal value, the noise processing module is used for working out a digital output signal value according to the obtained digital signal value and outputting the digital output signal value, the corresponding digital-to-analog conversion module is used for converting the received digital output signal value into an analog electric signal and outputting the analog electric signal, the corresponding sound generation module is used for converting the analog electric signal output by the digital-to-analog conversion module into sound and outputting the sound which is used for counteracting the noise of the noise source, and therefore the purpose that the operation noise of the air conditioner is lowered is achieved.
Description
Technical field
The present invention relates to appliance field, relate in particular to a kind of air-conditioning and noise cancellation method thereof.
Background technique
Along with the raising of socioeconomic development and people's living standard, air-conditioning has entered huge numbers of families, is widely used.
Air-conditioning is in running, and compressor operating, blower fan rotate, refrigerant flows in pipeline and the switch of various valves etc. all can produce certain noise (claiming again noise); Wherein, the noise that compressor operating and blower fan rotate generation is larger, and therefore, compressor and blower fan are the Main Noise Sources in operation of air conditioner process.Noise may make user produce uncomfortable sensation, or makes user produce irritated mood; The larger noise of intensity of some frequency band, even can affect the healthy of user.Therefore, be necessary air-conditioning to carry out noise reduction.
At present, the noise cancellation method conventional to air-conditioning has: research and develop and use the compressor of low mechanical vibration, improve shape and the structure of blower fan and rotate to reduce blower fan the noise producing; Mechanical vibration and resonance that the structure of Tube improvement produces to reduce pipeline; Between compressor and support, install elastic material additional; Install the material of sound insulation, sound absorption etc. additional.
Although above-mentioned, to the conventional noise cancellation method of air-conditioning, can reduce the noise that air-conditioning produces in running, need to improve the structure of the critical piece of air-conditioning or pipeline etc., extend the R&D cycle, increase cost, reduce the competitive ability of air-conditioning products.
In addition, disclose a kind of technological scheme, by reducing the rotating speed of blower fan in indoor apparatus of air conditioner, reduced air-conditioning noise; Although this technological scheme can reduce the noise of air-conditioning, affected this major function of adjusting temperature of air-conditioning, reduced user's experience.
In sum, the existing technological scheme that air-conditioning noise is eliminated, or need to improve parts or the structure of air-conditioning, or can affect the normal operation of air-conditioning.
Summary of the invention
The defect existing for above-mentioned prior art, the invention provides a kind of air-conditioning and noise cancellation method thereof, can be in the situation that the parts of air-conditioning inside or pipeline structure are not changed the noise producing in reduction air-conditioning normal course of operation.
Technological scheme of the present invention, from an aspect, provides a kind of air-conditioning, comprising:
Compressor and blower fan, and be respectively compressor and two the set noise elimination module groups of blower fan as noise source, and noise processed module; Described noise elimination module group comprises: noise detection module, analog-to-digital conversion module, D/A converter module and sound generation module;
For each noise source, the noise detection module in the noise elimination module group of this noise source is for gathering the noise that this noise source is sent, and exports after the sound collecting is converted to analog electric signal;
Analog-to-digital conversion module in this noise elimination module group is for converting the analog electric signal of described noise detection module output to digital signal value;
Described noise processed module, for obtaining after the digital signal value that described analog-to-digital conversion module is converted to, calculates digital output signal value according to the digital signal value obtaining, and exports to the D/A converter module in this noise elimination module group;
This D/A converter module is exported for after the digital output signal value of reception is converted to analog electric signal;
Sound generation module in this noise elimination module group is exported the noise sending in order to offset this noise source after the analog electric signal of described D/A converter module output is converted to sound.
Preferably, described noise detection module is specially MIC microphone, and described MIC microphone has single directivity, and it points to noise source corresponding to this MIC microphone place noise elimination module group; And
Described sound generation module is specially loudspeaker, and described loudspeaker points to noise source corresponding to this loudspeaker place noise elimination module group; And
Described MIC microphone is between described noise source and described loudspeaker, and three is on same straight line.
Preferably, described noise processed module specifically for described noise processed module when each sampling period arrives, obtain the digital signal value being converted in described analog-to-digital conversion module, and according to the digital signal value obtaining, according to following formula 1, calculate the digital output signal value in this sampling period:
Y (n)=W (n) [X (n)]
t(formula 1)
In formula 1, W (n) is weight vector, is designated as [w
0(n), w
1(n) ..., w
n-1(n)]; X (n) is input vector, be designated as X (n)=[x (n), x (n-1) ..., x (n-j), ..., x (n-N+1)], wherein, x (n-j) is the digital signal value that noise processed module is obtained described in n-j sampling period, j is the nonnegative integer that is not more than N-1, and N is that parameter preset is specially a natural number; The digital output signal value that y (n) is n sampling period calculating, as the digital output signal value that calculates this sampling period; And
Described noise processed module also calculates e (n) according to following formula 2:
E (n)=d (n)-y (n) (formula 2)
In formula 2, d (n) is the predefined numeral output of described noise processed module expected value, is specially the positive number of a fixed numbers; The described d (n) that described e (n) is n sampling period and the error amount between described y (n);
If described noise processed module is judged described e (n) and is not less than default error threshold, according to following 3 couples of described W of formula (n), adjust, obtain being applied to the weight vector W (n+1) in next sampling period:
W (n+1)=W (n)+μ X (n) e (n) (formula 3)
In formula 3, the convergence factor of μ for setting.
Preferably, described noise processed module specifically comprises central processor CPU, or micro-control unit MCU;
And described analog-to-digital conversion module is specially analog-digital converter ADC device;
And described D/A converter module is specially digital to analog converter DAC device.
Preferably, described data/address bus is specially intergrated circuit iic bus, or serial peripheral equipment interface SPI bus.
Technological scheme of the present invention, from another aspect, provides a kind of noise cancellation method of air-conditioning, comprising:
For each noise source in described air-conditioning, for the noise detection module in the noise elimination module group of this noise source setting gathers the noise that this noise source is sent, after being converted to analog electric signal, exports the sound collecting;
Analog-to-digital conversion module in this noise elimination module group converts the analog electric signal of described noise detection module output to digital signal value;
Noise processed module in described air-conditioning is obtained after the digital signal value being converted in described analog-to-digital conversion module, according to the digital signal value obtaining, calculates digital output signal value, exports to the D/A converter module in this noise elimination module group;
This D/A converter module is exported after the digital output signal value of reception is converted to analog electric signal;
Sound generation module in this noise elimination module group is exported the noise sending in order to offset this noise source after the analog electric signal of described D/A converter module output is converted to sound.
Preferably, described noise processed module is obtained after the digital signal value being converted in described analog-to-digital conversion module, calculates digital output signal value be specially according to the digital signal value obtaining:
Described noise processed module, when each sampling period arrives, is obtained the digital signal value being converted in described analog-to-digital conversion module, and according to the digital signal value obtaining, calculates the digital output signal value in this sampling period according to following formula 1:
Y (n)=W (n) [X (n)]
t(formula 1)
In formula 1, W (n) is weight vector, is designated as [w
0(n), w
1(n) ..., w
n-1(n)]; X (n) is input vector, be designated as X (n)=[x (n), x (n-1) ..., x (n-j), ..., x (n-N+1)], wherein, x (n-j) is the digital signal value that noise processed module is obtained described in n-j sampling period, j is the nonnegative integer that is not more than N-1, and N is that parameter preset is specially a natural number; The digital output signal value that y (n) is n sampling period calculating, as the digital output signal value that calculates this sampling period.
Further, described noise processed module is obtained after the digital signal value being converted in described analog-to-digital conversion module, according to the digital signal value obtaining, calculates digital output signal value, also comprises:
According to following formula 2, calculate e (n):
E (n)=d (n)-y (n) (formula 2)
In formula 2, d (n) is the predefined numeral output of described noise processed module expected value, is specially the positive number of a fixed numbers; The described d (n) that described e (n) is n sampling period and the error amount between described y (n);
If described noise processed module is judged described e (n) and is not less than default error threshold, according to following 3 couples of described W of formula (n), adjust, obtain being applied to the weight vector W (n+1) in next sampling period:
W (n+1)=W (n)+μ X (n) e (n) (formula 3)
In formula 3, the convergence factor of μ for setting.
Preferably, described noise source specifically comprises: the compressor in described air-conditioning and blower fan.
Preferably, described noise detection module is specially MIC microphone, and described MIC microphone has single directivity, and it points to noise source corresponding to this MIC microphone place noise elimination module group; And
Described sound generation module is specially loudspeaker, and described loudspeaker points to noise source corresponding to this loudspeaker place noise elimination module group; And
Described MIC microphone is between described noise source and described loudspeaker, and three is on same straight line.
In technological scheme of the present invention, for each noise source in air-conditioning, noise processed module, when each sampling period arrives, according to the input vector obtaining, with weight vector, calculates the output signal value in this sampling period; And according to the input vector in this sampling period, and the error amount between output expected value and the output signal value in this sampling period, adjust the weight vector in next sampling period, output signal value that subsequent calculations goes out and the error amount between output expected value are progressively reduced until be less than error threshold.Afterwards, error amount between the lasting output of noise processed module and output expected value is less than the output signal value of error threshold, the noise elimination module group of this noise source continues to produce the sound corresponding with this output signal value, so that the noise of this noise source offsets in the sound producing and air-conditioning, thereby realize in the situation that do not change parts and the structure of air-conditioning and do not affect the normal operation of air-conditioning, reduction operation of air conditioner noise.
Accompanying drawing explanation
Fig. 1 a is the internal structure schematic diagram of the air-conditioning of the embodiment of the present invention;
Fig. 1 b is the spatial relation schematic diagram of noise source in the air-conditioning of the embodiment of the present invention, MIC microphone and loudspeaker;
Fig. 2 is the algorithm principle block diagram that the noise processed module of embodiments of the invention is calculated digital output signal value.
Embodiment
For making object of the present invention, technological scheme and advantage clearer, referring to accompanying drawing and enumerate preferred embodiment, the present invention is described in more detail.Yet, it should be noted that, many details of listing in specification are only used to make reader to have a thorough understanding to one or more aspects of the present invention, even if do not have these specific details also can realize these aspects of the present invention.
The terms such as " module " used in this application, " system " are intended to comprise the entity relevant to computer, such as but not limited to hardware, firmware, combination thereof, software or executory software.For example, module can be, but be not limited in: the thread of the process of moving on processor, processor, object, executable program, execution, program and/or computer.For instance, the application program of moving on calculating equipment and this calculating equipment can be modules.One or more modules can be positioned at an executory process and/or thread, and module also can and/or be distributed on a computer between two or more computers.
The present inventor considers, the intensity of noise is mainly that the amplitude by noise determines; If there is a kind of device, can produce the sound of the identical and single spin-echo of frequency spectrum (comprising amplitude) with noise, after the sound that this device produces superposes with noise, both amplitudes can produce counteracting, thereby have reduced the intensity of noise.If this device is installed on to air-conditioning inside, both can, not needing to change the decline noise of low air-conditioning of the parts of air-conditioning and the situation of pipeline structure, can not affect the normal operation of air-conditioning yet.
Below in conjunction with accompanying drawing, describe technological scheme of the present invention in detail.The internal structure schematic diagram of a kind of air-conditioning that embodiments of the invention provide, as shown in Figure 1a, can comprise: as compressor and the blower fan (not marking in figure) of noise source, noise processed module 103, and be respectively compressor and two set noise elimination module groups of blower fan;
A noise elimination module group, comprise: noise detection module 101, analog-to-digital conversion module 102, D/A converter module 104 and sound generation module 105.
For each noise source, in the noise elimination module group of this noise source, the output terminal of noise detection module 101 is connected with the analog electric signal input end of analog-to-digital conversion module 102, and the input end of sound generation module 103 is connected with the analog electric signal output terminal of D/A converter module 104.
The digital signal input end of the digital signal output end of the analog-to-digital conversion module 102 in the input/output terminal of noise processed module 103, each noise elimination module group and D/A converter module 104 in each noise elimination module group is all connected with data/address bus;
Data/address bus can be IIC(Inter-Integrated Circuit, intergrated circuit) bus or SPI(Serial Peripheral Interface, Serial Peripheral Interface (SPI)) bus.
For each noise source, the noise detection module 101 in the noise elimination module group of this noise source can be MIC microphone; MIC microphone can have single directivity, and it points to this noise source in air-conditioning as shown in Figure 1 b.Noise detection module 101 comprises noise that this noise source produces at interior sound for gathering, and the sound collecting is converted to analog electric signal exports to the analog-to-digital conversion module 102 in this noise elimination module group.
Analog-to-digital conversion module 102 in this noise elimination module group can be ADC(Analog-to-Digital Converter, A/D converter) device; Analog-to-digital conversion module 102, by being converted to digital signal value from the analog electric signal of analog electric signal input end input, is stored in this locality by the digital signal value being converted to.
Noise processed module 103 can comprise CPU(Central Processing Unit, central processing unit (CPU)) or MCU(Micro Control Unit, micro-control unit); Noise processed module 103, for the analog-to-digital conversion module 102 in each noise elimination module group, is obtained the digital signal value of storing in this analog-to-digital conversion module by data/address bus; Noise processed module 103 calculates after digital output signal value according to the digital signal value obtaining, store into locally in should the storage area of noise elimination module group, and the digital output signal value calculating is sent to the D/A converter module 104 in this noise elimination module group by data/address bus.
D/A converter module 104 in this noise elimination module group can be DAC(Digital-to-Analog Converter, D/A converter) device; D/A converter module 104, by being converted to analog electric signal from the digital signal value of digital signal input end input, is exported to the sound generation module 105 this noise elimination module group by the analog electric signal being converted to from analog electric signal output terminal.
For each noise source, the MIC microphone in the noise elimination module group of this noise source and this noise source and loudspeaker can be as shown in Figure 1 b on same straight lines, and MIC microphone is between this noise source and loudspeaker.
The theory diagram that in embodiments of the invention, noise processed module 103 calculates digital output signal value according to the digital signal value obtaining as shown in Figure 2, wherein
Noise processed module 103, when each sampling period arrives, is obtained the digital signal value being converted in analog-to-digital conversion module 102, and according to the digital signal value obtaining, can be calculated according to following formula 1 the digital output signal value in this sampling period:
Y (n)=W (n) [X (n)]
t(formula 1)
The weight vector that W in formula 1 (n) is n sampling period, as the weight vector in this sampling period, W (n) can expand into [w
0(n), w
1(n) ..., w
n-1(n)]; X (n) is input vector, can expand into X (n)=[x (n), x (n-1) ..., x (n-j), ..., x (n-N+1)], wherein, x (n-j) is n-j the digital signal value that sampling period noise processed module 301 is obtained, j is the nonnegative integer that is not more than N-1, and N is that parameter preset is specially a natural number; [X (n)]
tfor the matrix after X (n) transposition; The digital output signal value that y (n) is n sampling period calculating, as the digital output signal value that calculates this sampling period.
Noise processed module 103 can also calculate e (n) according to following formula 2:
E (n)=d (n)-y (n) (formula 2)
In formula 2, d (n) is the default numeral output expected value of noise processed module 103, can be the positive number of a fixed numbers; The d (n) that e (n) is n sampling period and the error amount between y (n).
Noise processed module 103 is compared the e calculating (n) with default error threshold, if judge e (n), be less than error threshold, y (n) is stored in behind this locality, and y (n) is continued to output;
If noise processed module 103 is judged e, (n) is not less than error threshold, according to following 3 couples of W of formula (n), adjusts, and obtains being applied to the weight vector W (n+1) in next sampling period:
W (n+1)=W (n)+μ X (n) e (n) (formula 3)
In formula 3, μ is convergence factor, and it is a constant that noise processed module 103 can be set.
Noise processed module 103 is according to the input vector in subsequent sampling cycle with the weight vector of progressively adjusting, continue to calculate digital output signal value, make digital output signal value progressively approach numeral output expected value, until the error amount between the digital output signal value calculating and numeral output expected value expected value is less than error threshold, the digital output signal value that error with numeral output expected value is less than to error threshold is stored in behind this locality, continues the digital output signal value of output storage.
In technological scheme of the present invention, for each noise source in air-conditioning, noise processed module, when each sampling period arrives, according to the input vector obtaining, with weight vector, calculates the output signal value in this sampling period; And according to the input vector in this sampling period, and the error amount between output expected value and the output signal value in this sampling period, adjust the weight vector in next sampling period, output signal value that subsequent calculations goes out and the error amount between output expected value are progressively reduced until be less than error threshold.Afterwards, error amount between the lasting output of noise processed module and output expected value is less than the output signal value of error threshold, the noise elimination module group of this noise source continues to produce the sound corresponding with this output signal value, so that the noise of this noise source offsets in the sound producing and air-conditioning, thereby realize in the situation that do not change parts and the structure of air-conditioning and do not affect the normal operation of air-conditioning, reduction operation of air conditioner noise.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. an air-conditioning, is characterized in that, comprising: compressor and blower fan, and be respectively compressor and two the set noise elimination module groups of blower fan as noise source, and noise processed module; Described noise elimination module group comprises: noise detection module, analog-to-digital conversion module, D/A converter module and sound generation module;
For each noise source, the noise detection module in the noise elimination module group of this noise source is for gathering the noise that this noise source is sent, and exports after the sound collecting is converted to analog electric signal;
Analog-to-digital conversion module in this noise elimination module group is for converting the analog electric signal of described noise detection module output to digital signal value;
Described noise processed module, for obtaining after the digital signal value that described analog-to-digital conversion module is converted to, calculates digital output signal value according to the digital signal value obtaining, and exports to the D/A converter module in this noise elimination module group;
This D/A converter module is exported for after the digital output signal value of reception is converted to analog electric signal;
Sound generation module in this noise elimination module group is exported the noise sending in order to offset this noise source after the analog electric signal of described D/A converter module output is converted to sound.
2. air-conditioning as claimed in claim 1, is characterized in that, described noise detection module is specially MIC microphone, and described MIC microphone has single directivity, and it points to noise source corresponding to this MIC microphone place noise elimination module group; And
Described sound generation module is specially loudspeaker, and described loudspeaker points to noise source corresponding to this loudspeaker place noise elimination module group; And
Described MIC microphone is between described noise source and described loudspeaker, and three is on same straight line.
3. air-conditioning as claimed in claim 1 or 2, is characterized in that,
Described noise processed module specifically for described noise processed module when each sampling period arrives, obtain the digital signal value being converted in described analog-to-digital conversion module, and according to the digital signal value obtaining, according to following formula 1, calculate the digital output signal value in this sampling period:
Y (n)=W (n) [X (n)]
t(formula 1)
In formula 1, W (n) is weight vector, is designated as [w
0(n), w
1(n) ..., w
n-1(n)]; X (n) is input vector, be designated as X (n)=[x (n), x (n-1) ..., x (n-j), ..., x (n-N+1)], wherein, x (n-j) is the digital signal value that noise processed module is obtained described in n-j sampling period, j is the nonnegative integer that is not more than N-1, and N is that parameter preset is specially a natural number; The digital output signal value that y (n) is n sampling period calculating, as the digital output signal value that calculates this sampling period; And
Described noise processed module also calculates e (n) according to following formula 2:
E (n)=d (n)-y (n) (formula 2)
In formula 2, d (n) is the predefined numeral output of described noise processed module expected value, is specially the positive number of a fixed numbers; The described d (n) that described e (n) is n sampling period and the error amount between described y (n);
If described noise processed module is judged described e (n) and is not less than default error threshold, according to following 3 couples of described W of formula (n), adjust, obtain being applied to the weight vector W (n+1) in next sampling period:
W (n+1)=W (n)+μ X (n) e (n) (formula 3)
In formula 3, the convergence factor of μ for setting.
4. air-conditioning as claimed in claim 3, is characterized in that, described noise processed module specifically comprises central processor CPU, or micro-control unit MCU;
And described analog-to-digital conversion module is specially analog-digital converter ADC device;
And described D/A converter module is specially digital to analog converter DAC device.
5. air-conditioning as claimed in claim 3, is characterized in that, described data/address bus is specially intergrated circuit iic bus, or serial peripheral equipment interface SPI bus.
6. a noise cancellation method for air-conditioning, is characterized in that, comprising:
For each noise source in described air-conditioning, for the noise detection module in the noise elimination module group of this noise source setting gathers the noise that this noise source is sent, after being converted to analog electric signal, exports the sound collecting;
Analog-to-digital conversion module in this noise elimination module group converts the analog electric signal of described noise detection module output to digital signal value;
Noise processed module in described air-conditioning is obtained after the digital signal value being converted in described analog-to-digital conversion module, according to the digital signal value obtaining, calculates digital output signal value, exports to the D/A converter module in this noise elimination module group;
This D/A converter module is exported after the digital output signal value of reception is converted to analog electric signal;
Sound generation module in this noise elimination module group is exported the noise sending in order to offset this noise source after the analog electric signal of described D/A converter module output is converted to sound.
7. method as claimed in claim 6, is characterized in that, described noise processed module is obtained after the digital signal value being converted in described analog-to-digital conversion module, calculates digital output signal value be specially according to the digital signal value obtaining:
Described noise processed module, when each sampling period arrives, is obtained the digital signal value being converted in described analog-to-digital conversion module, and according to the digital signal value obtaining, calculates the digital output signal value in this sampling period according to following formula 1:
Y (n)=W (n) [X (n)]
t(formula 1)
In formula 1, W (n) is weight vector, is designated as [w
0(n), w
1(n) ..., w
n-1(n)]; X (n) is input vector, be designated as X (n)=[x (n), x (n-1) ..., x (n-j), ..., x (n-N+1)], wherein, x (n-j) is the digital signal value that noise processed module is obtained described in n-j sampling period, j is the nonnegative integer that is not more than N-1, and N is that parameter preset is specially a natural number; The digital output signal value that y (n) is n sampling period calculating, as the digital output signal value that calculates this sampling period.
8. method as claimed in claim 6, is characterized in that, described noise processed module is obtained after the digital signal value being converted in described analog-to-digital conversion module, according to the digital signal value obtaining, calculates digital output signal value, also comprises:
According to following formula 2, calculate e (n):
E (n)=d (n)-y (n) (formula 2)
In formula 2, d (n) is the predefined numeral output of described noise processed module expected value, is specially the positive number of a fixed numbers; The described d (n) that described e (n) is n sampling period and the error amount between described y (n);
If described noise processed module is judged described e (n) and is not less than default error threshold, according to following 3 couples of described W of formula (n), adjust, obtain being applied to the weight vector W (n+1) in next sampling period:
W (n+1)=W (n)+μ X (n) e (n) (formula 3)
In formula 3, the convergence factor of μ for setting.
9. the method as described in as arbitrary in claim 6-8, is characterized in that, described noise source specifically comprises: the compressor in described air-conditioning and blower fan.
10. method as claimed in claim 9, is characterized in that, described noise detection module is specially MIC microphone, and described MIC microphone has single directivity, and it points to noise source corresponding to this MIC microphone place noise elimination module group; And
Described sound generation module is specially loudspeaker, and described loudspeaker points to noise source corresponding to this loudspeaker place noise elimination module group; And
Described MIC microphone is between described noise source and described loudspeaker, and three is on same straight line.
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|---|---|---|---|---|
| CN105299828A (en) * | 2015-10-13 | 2016-02-03 | 珠海格力电器股份有限公司 | Method and system for noise treatment and air conditioner |
| CN105318490A (en) * | 2014-07-10 | 2016-02-10 | 珠海格力电器股份有限公司 | Control method and device for noise reduction of air conditioner |
| CN105840462A (en) * | 2016-05-23 | 2016-08-10 | 苏州艾柏特精密机械有限公司 | Active noise-eliminating and noise-reducing system of compressor |
| EP3258183A1 (en) * | 2016-06-13 | 2017-12-20 | Robert Bosch GmbH | Method and control unit for detection of faults in a heating system and/or in an air conditioning system and a heating system and/or an air conditioning system |
| CN109630379A (en) * | 2018-12-06 | 2019-04-16 | 珠海凌达压缩机有限公司 | Noise reduction system, noise-reduction method and electrical equipment |
| CN110017260A (en) * | 2019-03-29 | 2019-07-16 | 长虹美菱股份有限公司 | Active noise reduction system and its control method for refrigerator |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04260775A (en) * | 1991-02-14 | 1992-09-16 | Toshiba Corp | Noise suppressor for cooler |
| JPH08248964A (en) * | 1995-03-13 | 1996-09-27 | Nippon Sharyo Seizo Kaisha Ltd | Active noise reduction device |
| JPH09184499A (en) * | 1995-12-28 | 1997-07-15 | Daikin Ind Ltd | Cross-flow fan |
| JPH10171469A (en) * | 1996-12-14 | 1998-06-26 | Sanyo Electric Co Ltd | Silencer for electrical equipment |
| US20090180637A1 (en) * | 2008-01-15 | 2009-07-16 | Asia Vital Components Co., Ltd. | Fan noise canceling system |
| CN101498321A (en) * | 2008-02-02 | 2009-08-05 | 奇鋐科技股份有限公司 | Noise abatement system of fan |
| WO2011077602A1 (en) * | 2009-12-25 | 2011-06-30 | 三菱電機株式会社 | Air conditioner |
| CN103244465A (en) * | 2013-05-03 | 2013-08-14 | 湖北文理学院 | Active noise control system for fan of portable computer |
-
2013
- 2013-08-30 CN CN201310390258.2A patent/CN103527445A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04260775A (en) * | 1991-02-14 | 1992-09-16 | Toshiba Corp | Noise suppressor for cooler |
| JPH08248964A (en) * | 1995-03-13 | 1996-09-27 | Nippon Sharyo Seizo Kaisha Ltd | Active noise reduction device |
| JPH09184499A (en) * | 1995-12-28 | 1997-07-15 | Daikin Ind Ltd | Cross-flow fan |
| JPH10171469A (en) * | 1996-12-14 | 1998-06-26 | Sanyo Electric Co Ltd | Silencer for electrical equipment |
| US20090180637A1 (en) * | 2008-01-15 | 2009-07-16 | Asia Vital Components Co., Ltd. | Fan noise canceling system |
| CN101498321A (en) * | 2008-02-02 | 2009-08-05 | 奇鋐科技股份有限公司 | Noise abatement system of fan |
| WO2011077602A1 (en) * | 2009-12-25 | 2011-06-30 | 三菱電機株式会社 | Air conditioner |
| CN102686951A (en) * | 2009-12-25 | 2012-09-19 | 三菱电机株式会社 | Air conditioner |
| CN103244465A (en) * | 2013-05-03 | 2013-08-14 | 湖北文理学院 | Active noise control system for fan of portable computer |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318490A (en) * | 2014-07-10 | 2016-02-10 | 珠海格力电器股份有限公司 | Control method and device for noise reduction of air conditioner |
| CN105299828A (en) * | 2015-10-13 | 2016-02-03 | 珠海格力电器股份有限公司 | Method and system for noise treatment and air conditioner |
| CN105840462A (en) * | 2016-05-23 | 2016-08-10 | 苏州艾柏特精密机械有限公司 | Active noise-eliminating and noise-reducing system of compressor |
| EP3258183A1 (en) * | 2016-06-13 | 2017-12-20 | Robert Bosch GmbH | Method and control unit for detection of faults in a heating system and/or in an air conditioning system and a heating system and/or an air conditioning system |
| CN109630379A (en) * | 2018-12-06 | 2019-04-16 | 珠海凌达压缩机有限公司 | Noise reduction system, noise-reduction method and electrical equipment |
| CN109630379B (en) * | 2018-12-06 | 2020-04-24 | 珠海凌达压缩机有限公司 | Noise reduction system, noise reduction method and electrical equipment |
| CN110017260A (en) * | 2019-03-29 | 2019-07-16 | 长虹美菱股份有限公司 | Active noise reduction system and its control method for refrigerator |
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Application publication date: 20140122 |