CN104296497A - Control method and control device of refrigerator - Google Patents
Control method and control device of refrigerator Download PDFInfo
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- CN104296497A CN104296497A CN201410610277.6A CN201410610277A CN104296497A CN 104296497 A CN104296497 A CN 104296497A CN 201410610277 A CN201410610277 A CN 201410610277A CN 104296497 A CN104296497 A CN 104296497A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Air Conditioning Control Device (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention provides a control method and a control device of the refrigerator. The control method comprises the steps of respectively measuring first noise information of a compressor of the refrigerator and second noise information of a fan of the refrigerator, analyzing the first noise information and the second noise information, so as to obtain a first noise frequency and a first noise sound pressure level corresponding to the first noise information and a second noise frequency and a second noise sound pressure level corresponding to the second noise information, judging whether the first noise frequency and the second noise frequency, and the first noise sound pressure level and the second noise sound pressure level meet preset conditions or not, and determining whether to perform noise verification on the refrigerator or not according to judging results. Through the adoption of the technical scheme, purposes of reducing the noise of the whole refrigerator, preventing abnormal noise and improving the sound quality can be achieved.
Description
Technical field
The present invention relates to refrigerator technical field, in particular to a kind of control method of refrigerator and a kind of control device of refrigerator.
Background technology
Wind cooling refrigerator is owing to having compressor and blower fan two noise sources, and compare direct cooling refrigerator, total noise of centrifuge is higher.At present mainly through reducing the method for compressor and fan noise respectively to reduce total noise of centrifuge.And less to aspect researchs such as the frequency characteristics of noise, not by regulating the means of single product noise frequency characteristic to carry out noise reduction and sound quality improving.
Due to continual improvement and optimization, current compressor and fan noise are in reduced levels all, the difficulty being reduced total noise of centrifuge by the method reducing compressor and fan noise is respectively increasing, and under some condition, the reduction of noise figure not necessarily can realize the improvement to sound quality.In the past owing to being that compressor and blower fan are improved, when during the two noise generation coupled relation, may even cause new problem to weakening noise reduction in refrigerator system as two relatively independent systems.
Therefore, how to reduce the noise of refrigerator complete machine better, become technical problem urgently to be resolved hurrily at present.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art or correlation technique.
For this reason, one object of the present invention is the control method proposing a kind of refrigerator.
Another object of the present invention is the control device proposing a kind of refrigerator.
For achieving the above object, embodiment according to a first aspect of the invention, proposes a kind of control method of refrigerator, comprising: the second noise information measuring the first noise information of the compressor of described refrigerator and the blower fan of described refrigerator respectively; Described first noise information and described second noise information are resolved, to obtain the first noise frequency corresponding to described first noise information and the first noise sound, and the second noise frequency corresponding to described second noise information and the second noise sound; Judge described first noise frequency and described second noise frequency, whether described first noise sound and described second noise sound meet pre-conditioned; Determine whether to carry out noise checking to described refrigerator according to judged result.
According to the control method of the refrigerator of the embodiment of the present invention, by detecting the noise of compressor and blower fan, obtain compressor and noise frequency corresponding to blower fan and sound pressure level, thus according to its frequency characteristic and sound pressure level, determine whether to carry out noise checking to refrigerator complete machine, thus reduction total noise of centrifuge, improve the sound quality of refrigerator, promote the experience of user.
In addition, the control method of refrigerator according to the above embodiment of the present invention, can also have following additional technical characteristic:
According to one embodiment of present invention, describedly pre-conditionedly to comprise: the absolute value of the difference of described first noise frequency and described second noise frequency is greater than predeterminated frequency difference, and the absolute value of the difference of described first noise sound and described second noise sound is greater than default sound pressure level difference.
According to the control method of the refrigerator of the embodiment of the present invention, preset pre-conditioned by arranging, namely difference and the sound pressure level difference value of the noise frequency of compressor noise and fan noise are set, can realize avoiding compressor and fan noise narrow-band peak to overlap, thus realize reducing complete machine noise, prevent abnormal sound, the object of improvement sound quality.
According to one embodiment of present invention, also comprise: according to the setting command received, described predeterminated frequency difference and described default sound pressure level difference are set.
According to the control method of the refrigerator of the embodiment of the present invention, manufacturer can arrange predeterminated frequency difference and default sound pressure level difference based on experience value, thus make compressor and blower fan meet pre-conditioned under, complete machine noise can be reduced, thus make this refrigerator meet designing requirement.
According to one embodiment of present invention, described predeterminated frequency difference is 5HZ, and described default voltage-boosting stage difference is 6dB.
According to the control method of the refrigerator of the embodiment of the present invention, preferably, predeterminated frequency difference is 5HZ, and presetting voltage-boosting stage difference is 6dB.Now, complete machine noise is relatively minimum.Certainly, it will be appreciated by those skilled in the art that this predeterminated frequency difference and the default sound pressure level difference difference along with actual conditions, may be different, being not limited to above-mentioned two values, can also be other values.
According to one embodiment of present invention, describedly determine whether to carry out noise checking to described refrigerator according to judged result, specifically comprise: judged result for meet described pre-conditioned time, noise checking is carried out to described refrigerator; And judge whether described refrigerator is verified by described noise; When judged result is not for meeting described pre-conditioned or described refrigerator not by described noise checking, regulate the rotating speed of the rotating speed of described compressor, described blower fan and/or the number of blade of described blower fan, with the second noise information of the first noise information and described blower fan that adjust described compressor.
According to the control method of the refrigerator of the embodiment of the present invention, when judged result is for meeting pre-conditioned, noise checking is carried out to refrigerator, but do not meet above-mentioned pre-conditioned time, can by regulating compressor rotary speed, rotation speed of fan, fan blade number realize to compressor noise frequency adjustment, thus avoid Compressors and Fans noise narrow-band peak to overlap, realizes reduction complete machine noise, prevent abnormal sound, the object of improvement sound quality.
Embodiment according to a second aspect of the present invention proposes a kind of control device of refrigerator, comprising: measuring unit, measures the second noise information of the first noise information of the compressor of described refrigerator and the blower fan of described refrigerator respectively; Resolution unit, described first noise information and described second noise information are resolved, to obtain the first noise frequency corresponding to described first noise information and the first noise sound, and the second noise frequency corresponding to described second noise information and the second noise sound; Condition judgment unit, judges described first noise frequency and described second noise frequency, and whether described first noise sound and described second noise sound meet pre-conditioned; Determining unit, determines whether to carry out noise checking to described refrigerator according to judged result.
According to the control device of the refrigerator of the embodiment of the present invention, by detecting the noise of compressor and blower fan, obtain compressor and noise frequency corresponding to blower fan and sound pressure level, thus according to its frequency characteristic and sound pressure level, determine whether to carry out noise checking to refrigerator complete machine, thus reduction total noise of centrifuge, improve the sound quality of refrigerator, promote the experience of user.
According to one embodiment of present invention, describedly pre-conditionedly to comprise: the absolute value of the difference of described first noise frequency and described second noise frequency is greater than predeterminated frequency difference, and the absolute value of the difference of described first noise sound and described second noise sound is greater than default sound pressure level difference.
According to the control device of the refrigerator of the embodiment of the present invention, preset pre-conditioned by arranging, namely difference and the sound pressure level difference value of the noise frequency of compressor noise and fan noise are set, can realize avoiding compressor and fan noise narrow-band peak to overlap, thus realize reducing complete machine noise, prevent abnormal sound, the object of improvement sound quality.
According to one embodiment of present invention, also comprise: setting unit, according to the setting command received, described predeterminated frequency difference and described default sound pressure level difference are set.
According to the control device of the refrigerator of the embodiment of the present invention, manufacturer can arrange predeterminated frequency difference and default sound pressure level difference based on experience value, thus make compressor and blower fan meet pre-conditioned under, complete machine noise can be reduced, thus make this refrigerator meet designing requirement.
According to one embodiment of present invention, described predeterminated frequency difference is 5HZ, and described default voltage-boosting stage difference is 6dB.
According to the control device of the refrigerator of the embodiment of the present invention, preferably, predeterminated frequency difference is 5HZ, and presetting voltage-boosting stage difference is 6dB.Now, complete machine noise is relatively minimum.Certainly, it will be appreciated by those skilled in the art that this predeterminated frequency difference and the default sound pressure level difference difference along with actual conditions, may be different, being not limited to above-mentioned two values, can also be other values.
According to one embodiment of present invention, described determining unit comprises: authentication unit, judged result for meet described pre-conditioned time, noise checking is carried out to described refrigerator; And judging unit, judge whether described refrigerator is verified by described noise; Regulon, when judged result is not for meeting described pre-conditioned or described refrigerator not by described noise checking, regulate the rotating speed of the rotating speed of described compressor, described blower fan and/or the number of blade of described blower fan, with the second noise information of the first noise information and described blower fan that adjust described compressor.
According to the control device of the refrigerator of the embodiment of the present invention, when judged result is for meeting pre-conditioned, noise checking is carried out to refrigerator, but do not meet above-mentioned pre-conditioned time, can by regulating compressor rotary speed, rotation speed of fan, fan blade number realize to compressor noise frequency adjustment, thus avoid Compressors and Fans noise narrow-band peak to overlap, realizes reduction complete machine noise, prevent abnormal sound, the object of improvement sound quality.
By technical scheme of the present invention, according to Compressors and Fans spectral characteristics of noise, by regulating compressor rotary speed, rotation speed of fan, fan blade number to avoid Compressors and Fans noise narrow-band peak to overlap, realize reducing complete machine noise, prevent abnormal sound, the object of improvement sound quality.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 shows the flow chart of the control method of refrigerator according to an embodiment of the invention;
Fig. 2 shows the block diagram of the control device of refrigerator according to an embodiment of the invention;
Fig. 3 with Fig. 4 shows and the two group noise schematic diagrames that spectral characteristic different identical with blower fan sound pressure level of compressor according to an embodiment of the invention;
Fig. 5 shows the particular flow sheet of the control method of refrigerator according to another embodiment of the invention.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
Fig. 1 shows the flow chart of the control method of refrigerator according to an embodiment of the invention.
As shown in Figure 1, the control method of refrigerator, comprising: step 102 according to an embodiment of the invention, measures the second noise information of the first noise information of the compressor of described refrigerator and the blower fan of described refrigerator respectively; Step 104, described first noise information and described second noise information are resolved, to obtain the first noise frequency corresponding to described first noise information and the first noise sound, and the second noise frequency corresponding to described second noise information and the second noise sound; Step 106, judges described first noise frequency and described second noise frequency, and whether described first noise sound and described second noise sound meet pre-conditioned; Step 108, determines whether to carry out noise checking to described refrigerator according to judged result.
According to the control method of the refrigerator of the embodiment of the present invention, by detecting the noise of compressor and blower fan, obtain compressor and noise frequency corresponding to blower fan and sound pressure level, thus according to its frequency characteristic and sound pressure level, determine whether to carry out noise checking to refrigerator complete machine, thus reduction total noise of centrifuge, improve the sound quality of refrigerator, promote the experience of user.
In addition, the control method of refrigerator according to the above embodiment of the present invention, can also have following additional technical characteristic:
According to one embodiment of present invention, describedly pre-conditionedly to comprise: the absolute value of the difference of described first noise frequency and described second noise frequency is greater than predeterminated frequency difference, and the absolute value of the difference of described first noise sound and described second noise sound is greater than default sound pressure level difference.
According to the control method of the refrigerator of the embodiment of the present invention, preset pre-conditioned by arranging, namely difference and the sound pressure level difference value of the noise frequency of compressor noise and fan noise are set, can realize avoiding compressor and fan noise narrow-band peak to overlap, thus realize reducing complete machine noise, prevent abnormal sound, the object of improvement sound quality.
According to one embodiment of present invention, also comprise: according to the setting command received, described predeterminated frequency difference and described default sound pressure level difference are set.
According to the control method of the refrigerator of the embodiment of the present invention, manufacturer can arrange predeterminated frequency difference and default sound pressure level difference based on experience value, thus make compressor and blower fan meet pre-conditioned under, complete machine noise can be reduced, thus make this refrigerator meet designing requirement.
According to one embodiment of present invention, described predeterminated frequency difference is 5HZ, and described default voltage-boosting stage difference is 6dB.
According to the control method of the refrigerator of the embodiment of the present invention, preferably, predeterminated frequency difference is 5HZ, and presetting voltage-boosting stage difference is 6dB.Now, complete machine noise is relatively minimum.Certainly, it will be appreciated by those skilled in the art that this predeterminated frequency difference and the default sound pressure level difference difference along with actual conditions, may be different, being not limited to above-mentioned two values, can also be other values.
According to one embodiment of present invention, describedly determine whether to carry out noise checking to described refrigerator according to judged result, specifically comprise: judged result for meet described pre-conditioned time, noise checking is carried out to described refrigerator; And judge whether described refrigerator is verified by described noise; When judged result is not for meeting described pre-conditioned or described refrigerator not by described noise checking, regulate the rotating speed of the rotating speed of described compressor, described blower fan and/or the number of blade of described blower fan, with the second noise information of the first noise information and described blower fan that adjust described compressor.
According to the control method of the refrigerator of the embodiment of the present invention, when judged result is for meeting pre-conditioned, noise checking is carried out to refrigerator, but do not meet above-mentioned pre-conditioned time, can by regulating compressor rotary speed, rotation speed of fan, fan blade number realize to compressor noise frequency adjustment, thus avoid Compressors and Fans noise narrow-band peak to overlap, realizes reduction complete machine noise, prevent abnormal sound, the object of improvement sound quality.
Fig. 2 shows the block diagram of the control device of refrigerator according to an embodiment of the invention.
As shown in Figure 2, the control device 200 of refrigerator according to an embodiment of the invention, comprising: measuring unit 202, measures the second noise information of the first noise information of the compressor of described refrigerator and the blower fan of described refrigerator respectively; Resolution unit 204, described first noise information and described second noise information are resolved, to obtain the first noise frequency corresponding to described first noise information and the first noise sound, and the second noise frequency corresponding to described second noise information and the second noise sound; Condition judgment unit 206, judges described first noise frequency and described second noise frequency, and whether described first noise sound and described second noise sound meet pre-conditioned; Determining unit 208, determines whether to carry out noise checking to described refrigerator according to judged result.
According to the control device of the refrigerator of the embodiment of the present invention, by detecting the noise of compressor and blower fan, obtain compressor and noise frequency corresponding to blower fan and sound pressure level, thus according to its frequency characteristic and sound pressure level, determine whether to carry out noise checking to refrigerator complete machine, thus reduction total noise of centrifuge, improve the sound quality of refrigerator, promote the experience of user.
According to one embodiment of present invention, describedly pre-conditionedly to comprise: the absolute value of the difference of described first noise frequency and described second noise frequency is greater than predeterminated frequency difference, and the absolute value of the difference of described first noise sound and described second noise sound is greater than default sound pressure level difference.
According to the control device of the refrigerator of the embodiment of the present invention, preset pre-conditioned by arranging, namely difference and the sound pressure level difference value of the noise frequency of compressor noise and fan noise are set, can realize avoiding compressor and fan noise narrow-band peak to overlap, thus realize reducing complete machine noise, prevent abnormal sound, the object of improvement sound quality.
According to one embodiment of present invention, also comprise: setting unit 210, according to the setting command received, described predeterminated frequency difference and described default sound pressure level difference are set.
According to the control device of the refrigerator of the embodiment of the present invention, manufacturer can arrange predeterminated frequency difference and default sound pressure level difference based on experience value, thus make compressor and blower fan meet pre-conditioned under, complete machine noise can be reduced, thus make this refrigerator meet designing requirement.
According to one embodiment of present invention, described predeterminated frequency difference is 5HZ, and described default voltage-boosting stage difference is 6dB.
According to the control device of the refrigerator of the embodiment of the present invention, preferably, predeterminated frequency difference is 5HZ, and presetting voltage-boosting stage difference is 6dB.Now, complete machine noise is relatively minimum.Certainly, it will be appreciated by those skilled in the art that this predeterminated frequency difference and the default sound pressure level difference difference along with actual conditions, may be different, being not limited to above-mentioned two values, can also be other values.
According to one embodiment of present invention, described determining unit 208 comprises: authentication unit 2082, judged result for meet described pre-conditioned time, noise checking is carried out to described refrigerator; And judging unit 2084, judge whether described refrigerator is verified by described noise; Regulon 2086, when judged result is not for meeting described pre-conditioned or described refrigerator not by described noise checking, regulate the rotating speed of the rotating speed of described compressor, described blower fan and/or the number of blade of described blower fan, with the second noise information of the first noise information and described blower fan that adjust described compressor.
According to the control device of the refrigerator of the embodiment of the present invention, when judged result is for meeting pre-conditioned, noise checking is carried out to refrigerator, but do not meet above-mentioned pre-conditioned time, can by regulating compressor rotary speed, rotation speed of fan, fan blade number realize to compressor noise frequency adjustment, thus avoid Compressors and Fans noise narrow-band peak to overlap, realizes reduction complete machine noise, prevent abnormal sound, the object of improvement sound quality.
Fig. 3 with Fig. 4 shows and the two group noise schematic diagrames that spectral characteristic different identical with blower fan sound pressure level of compressor according to an embodiment of the invention.
Overall sound pressure level computing formula after multi-acoustical superposition is:
As can be seen from computing formula, two noise source sound pressure level differences are larger, and after superposition, overall sound pressure level change is less.
From sound principle of stacking, the overall sound pressure level after the superposition of noise shown in Fig. 3 is greater than the overall sound pressure level after the superposition of noise shown in Fig. 4, and there will be sharp peaks after the superposition of noise shown in Fig. 3, makes complete machine sound quality severe exacerbation.
Compressor noise narrow band peak values frequency is generally: f1=r1/60*n (r1 is compressor rotary speed, and n is natural number);
Fan noise narrow band peak values frequency is generally: f2=r2/60*k*m (r2 is rotation speed of fan, and k is fan blade number, and m is natural number).
Concrete grammar of the present invention as shown in Figure 5, comprising:
Step 502, at the product design initial stage, the noise of test compression machine, blower fan, and spectrum analysis is carried out to noise.
Step 504, judge whether the spectral characteristics of noise of compressor, blower fan satisfies condition: | the noise frequency f2|>5HZ of the noise frequency f1-blower fan of compressor, and | the noise sound L2>6dB of the noise sound L1-blower fan of compressor, when judged result is for being, enter step 508, otherwise enter step 506.
Step 506, regulating parameter: the rotating speed r1 of compressor, the rotating speed r2 of blower fan and the also number of blade k of blower fan, thus whether the spectral characteristics of noise of compressor blower fan is satisfied condition: | the noise frequency f2|>5HZ of the noise frequency f1-blower fan of compressor, and | the noise sound L2>6dB of the noise sound L1-blower fan of compressor.
Step 508, judges whether the checking of air conditioner noise meets designing requirement, when judged result is for being, enters step 510, otherwise, enter step 506.
Step 510, design completes.
More than be described with reference to the accompanying drawings technical scheme of the present invention, by technical scheme of the present invention, according to Compressors and Fans spectral characteristics of noise, Compressors and Fans noise narrow-band peak is avoided to overlap by regulating compressor rotary speed, rotation speed of fan, fan blade number, realize reducing complete machine noise, prevent abnormal sound, the object of improvement sound quality.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a control method for refrigerator, is characterized in that, comprising:
Measure the second noise information of the first noise information of the compressor of described refrigerator and the blower fan of described refrigerator respectively;
Described first noise information and described second noise information are resolved, to obtain the first noise frequency corresponding to described first noise information and the first noise sound, and the second noise frequency corresponding to described second noise information and the second noise sound;
Judge described first noise frequency and described second noise frequency, whether described first noise sound and described second noise sound meet pre-conditioned;
Determine whether to carry out noise checking to described refrigerator according to judged result.
2. the control method of refrigerator according to claim 1, is characterized in that, describedly pre-conditionedly to comprise:
The absolute value of the difference of described first noise frequency and described second noise frequency is greater than predeterminated frequency difference, and the absolute value of the difference of described first noise sound and described second noise sound is greater than default sound pressure level difference.
3. the control method of refrigerator according to claim 2, is characterized in that, also comprises:
According to the setting command received, described predeterminated frequency difference and described default sound pressure level difference are set.
4. the control method of refrigerator according to claim 3, is characterized in that,
Described predeterminated frequency difference is 5HZ, and described default voltage-boosting stage difference is 6dB.
5. the control method of refrigerator according to any one of claim 1 to 4, is characterized in that, describedly determines whether to carry out noise checking to described refrigerator according to judged result, specifically comprises:
Judged result for meet described pre-conditioned time, noise checking is carried out to described refrigerator; And
Judge whether described refrigerator is verified by described noise;
When judged result is not for meeting described pre-conditioned or described refrigerator not by described noise checking, regulate the rotating speed of the rotating speed of described compressor, described blower fan and/or the number of blade of described blower fan, with the second noise information of the first noise information and described blower fan that adjust described compressor.
6. a control device for refrigerator, is characterized in that, comprising:
Measuring unit, measures the second noise information of the first noise information of the compressor of described refrigerator and the blower fan of described refrigerator respectively;
Resolution unit, described first noise information and described second noise information are resolved, to obtain the first noise frequency corresponding to described first noise information and the first noise sound, and the second noise frequency corresponding to described second noise information and the second noise sound;
Condition judgment unit, judges described first noise frequency and described second noise frequency, and whether described first noise sound and described second noise sound meet pre-conditioned;
Determining unit, determines whether to carry out noise checking to described refrigerator according to judged result.
7. the control device of refrigerator according to claim 6, is characterized in that, describedly pre-conditionedly to comprise:
The absolute value of the difference of described first noise frequency and described second noise frequency is greater than predeterminated frequency difference, and the absolute value of the difference of described first noise sound and described second noise sound is greater than default sound pressure level difference.
8. the control device of refrigerator according to claim 7, is characterized in that, also comprises:
Setting unit, according to the setting command received, arranges described predeterminated frequency difference and described default sound pressure level difference.
9. the control device of refrigerator according to claim 8, is characterized in that,
Described predeterminated frequency difference is 5HZ, and described default voltage-boosting stage difference is 6dB.
10. the control device of the refrigerator according to any one of claim 6 to 9, is characterized in that, described determining unit comprises:
Authentication unit, judged result for meet described pre-conditioned time, noise checking is carried out to described refrigerator; And
Judging unit, judges whether described refrigerator is verified by described noise;
Regulon, when judged result is not for meeting described pre-conditioned or described refrigerator not by described noise checking, regulate the rotating speed of the rotating speed of described compressor, described blower fan and/or the number of blade of described blower fan, with the second noise information of the first noise information and described blower fan that adjust described compressor.
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Cited By (5)
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CN106123242A (en) * | 2016-07-26 | 2016-11-16 | 海信(山东)空调有限公司 | Constant speed air-conditioning is clapped to shake and is determined method and apparatus |
CN106871527A (en) * | 2017-01-05 | 2017-06-20 | 青岛海尔智能技术研发有限公司 | The production method of refrigerator and the application method of refrigerator |
CN110220279A (en) * | 2019-05-13 | 2019-09-10 | 青岛海尔空调电子有限公司 | The control method of air-conditioner outdoor unit |
CN112378157A (en) * | 2020-11-06 | 2021-02-19 | 长虹美菱股份有限公司 | Variable frequency refrigerator and noise monitoring method thereof |
CN114440395A (en) * | 2022-02-24 | 2022-05-06 | 海信(山东)空调有限公司 | Air conditioner noise reduction control method and device, air conditioner and storage medium |
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