CN113915912A - Refrigerator and refrigerator noise reduction method - Google Patents
Refrigerator and refrigerator noise reduction method Download PDFInfo
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- CN113915912A CN113915912A CN202111238154.0A CN202111238154A CN113915912A CN 113915912 A CN113915912 A CN 113915912A CN 202111238154 A CN202111238154 A CN 202111238154A CN 113915912 A CN113915912 A CN 113915912A
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- 230000009467 reduction Effects 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000007710 freezing Methods 0.000 claims description 28
- 238000005057 refrigeration Methods 0.000 claims description 6
- 230000006872 improvement Effects 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 5
- 230000008447 perception Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- XOFYZVNMUHMLCC-ZPOLXVRWSA-N prednisone Chemical compound O=C1C=C[C@]2(C)[C@H]3C(=O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 XOFYZVNMUHMLCC-ZPOLXVRWSA-N 0.000 description 2
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Classifications
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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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
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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
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
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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
- F25D29/005—Mounting of control 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
- F25D2201/00—Insulation
- F25D2201/30—Insulation with respect to sound
Abstract
The invention discloses a refrigerator and a refrigerator noise reduction method, which are characterized in that a noise signal is obtained; when the voice adjusting signal is not received, comparing the noise signal with a preset noise threshold value; wherein the noise threshold comprises a sound pressure level threshold and a loudness threshold; when the noise signal is greater than or equal to the noise threshold, determining an operating mode of the refrigerator; when the refrigerator works in a real-time adjusting mode, adjusting the rotating speeds of the compressor and the fan according to the difference value between the noise signal and the noise threshold value; and when the refrigerator works in a fixed adjusting mode, acquiring a preset rotating speed data packet to adjust the rotating speeds of the compressor and the fan. By adopting the embodiment of the invention, the rotating speeds of the compressor and the fan can be automatically adjusted according to the set threshold value, and the purpose of reducing noise is achieved.
Description
Technical Field
The invention relates to the technical field of refrigerators, in particular to a refrigerator and a refrigerator noise reduction method.
Background
With the rapid development of user demands and markets, the sales duty of large-volume high-end refrigerators is increasing. The existing large-volume multi-system refrigerator has various series of operation modes such as a cross four-door refrigerator, a French multi-door refrigerator and the like, and compartments are classified clearly, so that the refrigerator generally has a complex refrigeration cycle system, wherein devices with larger noise of a compressor and a fan are designed. In the daily use process, when the refrigerator is in the operation process, the noise of compressor is great relatively and user's subjective perception is obvious, and the operation of fan then the noise is more increased. The existing refrigerator cannot achieve the purpose of noise reduction by automatically adjusting the rotating speeds of the compressor and the fan, and is easy to cause trouble of users when the noise of the refrigerator is too large.
Disclosure of Invention
The embodiment of the invention aims to provide a refrigerator and a noise reduction method of the refrigerator, which can automatically adjust the rotating speeds of a compressor and a fan according to a set threshold value so as to achieve the purpose of noise reduction.
To achieve the above object, an embodiment of the present invention provides a refrigerator, including:
a cabinet serving as a support structure of the refrigerator and having a plurality of storage compartments therein;
a refrigeration system including a compressor and a fan;
a noise sensor for detecting a noise signal of the refrigerator; wherein the noise signal comprises a sound pressure level signal and a loudness signal;
the controller is configured to:
acquiring the noise signal;
when the voice adjusting signal is not received, comparing the noise signal with a preset noise threshold value; wherein the noise threshold comprises a sound pressure level threshold and a loudness threshold;
when the noise signal is greater than or equal to the noise threshold, determining an operating mode of the refrigerator;
when the refrigerator works in a real-time adjusting mode, adjusting the rotating speeds of the compressor and the fan according to the difference value between the noise signal and the noise threshold value;
and when the refrigerator works in a fixed adjusting mode, acquiring a preset rotating speed data packet to adjust the rotating speeds of the compressor and the fan.
As an improvement of the above, the controller is further configured to:
when a voice adjusting signal is received, identifying the voice adjusting signal to obtain a rotating speed adjusting instruction corresponding to the voice adjusting signal;
and adjusting the rotating speeds of the compressor and the fan according to the rotating speed adjusting instruction.
As an improvement of the above, the controller is further configured to:
after the rotating speeds of the compressor and the fan are adjusted, judging whether a quick-freezing instruction is received or not;
if so, adjusting the rotating speed of the compressor to a preset compressor quick-freezing rotating speed, and adjusting the rotating speed of the fan to a preset fan quick-freezing rotating speed; and if not, maintaining the current rotating speeds of the compressor and the fan.
As an improvement of the above, the controller is further configured to:
and after the noise signal is acquired, displaying the noise signal in a display area in the refrigerator.
In order to achieve the above object, an embodiment of the present invention further provides a refrigerator noise reduction method, including:
acquiring a noise signal of the refrigerator; wherein the noise signal comprises a sound pressure level signal and a loudness signal;
when the voice adjusting signal is not received, comparing the noise signal with a preset noise threshold value; wherein the noise threshold comprises a sound pressure level threshold and a loudness threshold;
when the noise signal is greater than or equal to the noise threshold, determining an operating mode of the refrigerator;
when the refrigerator works in a real-time adjusting mode, adjusting the rotating speeds of a compressor and a fan in the refrigerator according to the difference value between the noise signal and the noise threshold value;
and when the refrigerator works in a fixed adjusting mode, acquiring a preset rotating speed data packet to adjust the rotating speeds of the compressor and the fan.
As an improvement of the above, the method further comprises:
when a voice adjusting signal is received, identifying the voice adjusting signal to obtain a rotating speed adjusting instruction corresponding to the voice adjusting signal;
and adjusting the rotating speeds of the compressor and the fan according to the rotating speed adjusting instruction.
As an improvement of the above, the method further comprises:
after the rotating speeds of the compressor and the fan are adjusted, judging whether a quick-freezing instruction is received or not;
if so, adjusting the rotating speed of the compressor to a preset compressor quick-freezing rotating speed, and adjusting the rotating speed of the fan to a preset fan quick-freezing rotating speed; and if not, maintaining the current rotating speeds of the compressor and the fan.
As an improvement of the above, the method further comprises:
and after the noise signal is acquired, displaying the noise signal in a display area in the refrigerator.
Compared with the prior art, the refrigerator and the noise reduction method of the refrigerator disclosed by the embodiment of the invention have the advantages that the noise signals in the refrigerator are obtained in real time, the noise signals comprise the sound pressure level signal and the loudness signal, when the refrigerator does not receive the voice adjusting signal, the working mode of the refrigerator needs to be determined, and then the rotating speeds of the compressor and the fan are adjusted according to the working mode of the refrigerator. Further, when the refrigerator is in a real-time adjusting mode, the rotating speed is adjusted according to the difference value between the noise signal and the noise threshold value, and when the refrigerator is in a fixed adjusting mode, the rotating speed is adjusted according to a preset rotating speed data packet. In the embodiment of the invention, the rotating speeds of the compressor and the fan can be automatically adjusted according to the set threshold value, the purpose of noise reduction is achieved, meanwhile, a voice adjusting instruction of a user can be received, the rotating speed is adjusted according to the voice of the user, compared with a mode of automatically adjusting the rotating speed of a refrigerator, the noise reduction requirement of the user is reflected more intuitively, and the user experience is further improved.
Drawings
Fig. 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention;
fig. 2 is a flowchart of a refrigerator noise reduction method according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention, where the refrigerator includes:
a cabinet 10 serving as a support structure of the refrigerator and having a plurality of storage compartments therein;
a refrigeration system 20 including a compressor and a fan;
a noise sensor 30 for detecting a noise signal of the refrigerator; wherein the noise signal comprises a sound pressure level signal and a loudness signal;
the controller 40 is configured to:
acquiring the noise signal;
when the voice adjusting signal is not received, comparing the noise signal with a preset noise threshold value; wherein the noise threshold comprises a sound pressure level threshold and a loudness threshold;
when the noise signal is greater than or equal to the noise threshold, determining an operating mode of the refrigerator;
when the refrigerator works in a real-time adjusting mode, adjusting the rotating speeds of the compressor and the fan according to the difference value between the noise signal and the noise threshold value;
and when the refrigerator works in a fixed adjusting mode, acquiring a preset rotating speed data packet to adjust the rotating speeds of the compressor and the fan.
It is worth noting that loudness and sound pressure level are two concepts used to characterize the size of a sound. The loudness is a subjective quantity, is the human perception of the loudness of sound, and has the unit of square Sone; the sound pressure level is an objective physical quantity, which is the pressure of sound to unit area, in dB SPL. When the sounds with different frequencies are at the same sound pressure level, the loudness of the sound felt by human ears is different; conversely, when the human ear senses that sounds with different frequencies have the same loudness, the required sound pressure level is different.
The noise sensor 30 is used to detect a noise signal of the refrigerator, and since noise of the refrigerator is mostly generated by a compressor and a blower fan while operating, the noise sensor 30 may be installed at a position close to the compressor and the blower fan. Further, considering the influence caused by the environmental noise, such as sudden construction at a construction site, the environmental noise caused at this time may be relatively large, and in order to avoid the influence of the suddenly increased environmental noise on the noise reduction process of the refrigerator, the noise sensor 30 may automatically identify the environmental noise and the refrigerator noise, so as to filter the influence caused by the environmental noise.
Specifically, the refrigerator collects a sound pressure level signal and a noise signal in real time during operation. The refrigerator provided by the embodiment of the invention can receive a voice adjusting signal from a user, and when the voice adjusting signal is not received, the rotating speeds of the compressor and the fan are adjusted according to the comparison result of the noise signal and the noise threshold value.
Illustratively, the sound pressure level signal is compared to a preset sound pressure level threshold and the loudness signal is compared to a preset loudness threshold polarity. When the sound pressure level signal is greater than or equal to the sound pressure level threshold value and the loudness signal is greater than or equal to the loudness threshold value, it is indicated that the noise of the refrigerator is too large at the moment, and the rotating speeds of the compressor and the fan need to be adjusted to achieve the purpose of reducing the noise. At this time, the operation mode of the refrigerator needs to be determined. When the refrigerator works in a real-time adjusting mode, adjusting the rotating speeds of the compressor and the fan according to the difference value between the noise signal and the noise threshold value; and when the refrigerator works in a fixed adjusting mode, acquiring a preset rotating speed data packet to adjust the rotating speeds of the compressor and the fan.
It can be understood that, the larger the difference value is, the lower the rotation speed adjustment of the compressor and the fan is required to be, and several difference value ranges and the rotation speed reference value of the compressor and the rotation speed reference value of the fan, which are required to be reduced and correspond to the difference value ranges, may be preset. After the difference value is obtained through calculation, a corresponding target difference value range is searched in the difference value range, then the rotating speed reference value of the compressor and the rotating speed reference value of the fan corresponding to the target difference value range are obtained, the compressor is adjusted based on the rotating speed reference value of the compressor, and the fan is adjusted according to the rotating speed reference value of the fan (the current rotating speed and the rotating speed reference value are subtracted). And the fixed rotating speeds of the compressor and the fan are recorded in the rotating speed data packet.
Further, if a voice adjusting signal is received, identifying the voice adjusting signal to acquire a rotating speed adjusting instruction corresponding to the voice adjusting signal; and adjusting the rotating speeds of the compressor and the fan according to the rotating speed adjusting instruction.
For example, when the display values of the sound pressure level signal and the loudness signal are shown as 40dB and 38Sone, respectively, the user may wake up the voice recognition module in the refrigerator first, and then adjust the sound pressure level to 35dB (or any value such as 36dB and 34 dB), and the controller 40 obtains the proper rotation speed of the compressor and the fan at 35 dB. Or, when the display values of the sound pressure level signal and the loudness signal are respectively displayed as 38dB and 36Sone, although the noise is not large at this time, the subjective annoyance of the user is large, the voice recognition module may be awakened first, then the noise sound pressure level is adjusted to 35dB (or any value of 36dB and 34 dB), and at this time, the controller obtains the rotating speed suitable for the compressor and the fan when the sound pressure level is 35 dB. The voice recognition module recognizes voice information of a user, the user can wake up the voice recognition module through special voice, and the special voice can be set by the user.
Further, after the rotating speeds of the compressor and the fan are adjusted, whether a quick-freezing instruction is received or not is judged;
if so, adjusting the rotating speed of the compressor to a preset compressor quick-freezing rotating speed, and adjusting the rotating speed of the fan to a preset fan quick-freezing rotating speed; and if not, maintaining the current rotating speeds of the compressor and the fan.
Illustratively, when a quick-freezing instruction is received, it is indicated that emergency refrigeration is required to be performed on the refrigerator, at this time, noise reduction is not required to be performed on the refrigerator, preset compressor quick-freezing rotating speed and fan quick-freezing rotating speed are directly obtained, and the rotating speed of the compressor is adjusted according to the compressor quick-freezing rotating speed and the rotating speed of the fan is adjusted according to the fan quick-freezing rotating speed.
Further, in the embodiment of the present invention, after the noise signal is acquired, the noise signal is displayed in the display area of the refrigerator, so that a user can directly know the current noise signal of the refrigerator.
Compared with the prior art, the refrigerator disclosed by the embodiment of the invention obtains the noise signals in the refrigerator in real time, wherein the noise signals comprise the sound pressure level signal and the loudness signal, when the refrigerator does not receive the voice adjusting signal, the working mode of the refrigerator needs to be determined, and then the rotating speeds of the compressor and the fan are adjusted according to the working mode of the refrigerator. Further, when the refrigerator is in a real-time adjusting mode, the rotating speed is adjusted according to the difference value between the noise signal and the noise threshold value, and when the refrigerator is in a fixed adjusting mode, the rotating speed is adjusted according to a preset rotating speed data packet. In the embodiment of the invention, the rotating speeds of the compressor and the fan can be automatically adjusted according to the set threshold value, the purpose of noise reduction is achieved, meanwhile, a voice adjusting instruction of a user can be received, the rotating speed is adjusted according to the voice of the user, compared with a mode of automatically adjusting the rotating speed of a refrigerator, the noise reduction requirement of the user is reflected more intuitively, and the user experience is further improved.
Referring to fig. 2, it is a flowchart of a refrigerator noise reduction method according to an embodiment of the present invention, where the refrigerator noise reduction method includes:
s1, acquiring a noise signal of the refrigerator; wherein the noise signal comprises a sound pressure level signal and a loudness signal;
s2, comparing the noise signal with a preset noise threshold value when the voice adjusting signal is not received; wherein the noise threshold comprises a sound pressure level threshold and a loudness threshold;
s3, when the noise signal is larger than or equal to the noise threshold, determining the working mode of the refrigerator;
s4, when the refrigerator works in a real-time adjusting mode, adjusting the rotating speed of a compressor and a fan in the refrigerator according to the difference value between the noise signal and the noise threshold value;
and S5, when the refrigerator works in a fixed adjusting mode, acquiring a preset rotating speed data packet to adjust the rotating speeds of the compressor and the fan.
It should be noted that the refrigerator noise reduction method according to the embodiment of the present invention is implemented by a controller in the refrigerator. Loudness and sound pressure level are two concepts used to characterize the size of a sound. The loudness is a subjective quantity, is the human perception of the loudness of sound, and has the unit of square Sone; the sound pressure level is an objective physical quantity, which is the pressure of sound to unit area, in dB SPL. When the sounds with different frequencies are at the same sound pressure level, the loudness of the sound felt by human ears is different; conversely, when the human ear senses that sounds with different frequencies have the same loudness, the required sound pressure level is different.
Specifically, the refrigerator collects a sound pressure level signal and a noise signal in real time during operation. The refrigerator provided by the embodiment of the invention can receive a voice adjusting signal from a user, and when the voice adjusting signal is not received, the rotating speeds of the compressor and the fan are adjusted according to the comparison result of the noise signal and the noise threshold value.
Illustratively, the sound pressure level signal is compared to a preset sound pressure level threshold and the loudness signal is compared to a preset loudness threshold polarity. When the sound pressure level signal is greater than or equal to the sound pressure level threshold value and the loudness signal is greater than or equal to the loudness threshold value, it is indicated that the noise of the refrigerator is too large at the moment, and the rotating speeds of the compressor and the fan need to be adjusted to achieve the purpose of reducing the noise. At this time, the operation mode of the refrigerator needs to be determined. When the refrigerator works in a real-time adjusting mode, adjusting the rotating speeds of the compressor and the fan according to the difference value between the noise signal and the noise threshold value; and when the refrigerator works in a fixed adjusting mode, acquiring a preset rotating speed data packet to adjust the rotating speeds of the compressor and the fan.
It can be understood that, the larger the difference value is, the lower the rotation speed adjustment of the compressor and the fan is required to be, and several difference value ranges and the rotation speed reference value of the compressor and the rotation speed reference value of the fan, which are required to be reduced and correspond to the difference value ranges, may be preset. After the difference value is obtained through calculation, a corresponding target difference value range is searched in the difference value range, then the rotating speed reference value of the compressor and the rotating speed reference value of the fan corresponding to the target difference value range are obtained, the compressor is adjusted based on the rotating speed reference value of the compressor, and the fan is adjusted according to the rotating speed reference value of the fan (the current rotating speed and the rotating speed reference value are subtracted). And the fixed rotating speeds of the compressor and the fan are recorded in the rotating speed data packet.
Further, if a voice adjusting signal is received, identifying the voice adjusting signal to acquire a rotating speed adjusting instruction corresponding to the voice adjusting signal; and adjusting the rotating speeds of the compressor and the fan according to the rotating speed adjusting instruction.
For example, when the display values of the sound pressure level signal and the loudness signal are respectively shown as 40dB and 38Sone, the user may wake up the voice recognition module in the refrigerator first and then adjust the sound pressure level to 35dB (or any value such as 36dB and 34 dB), and then obtain the proper rotation speed of the compressor and the fan at 35 dB. Or, when the display values of the sound pressure level signal and the loudness signal are respectively displayed as 38dB and 36Sone, although the noise is not large at this time, the subjective annoyance of the user is large, the voice recognition module may be awakened first, and then the noise sound pressure level may be adjusted to 35dB (or any value of 36dB and 34 dB). The voice recognition module recognizes voice information of a user, the user can wake up the voice recognition module through special voice, and the special voice can be set by the user.
Further, after the rotating speeds of the compressor and the fan are adjusted, whether a quick-freezing instruction is received or not is judged;
if so, adjusting the rotating speed of the compressor to a preset compressor quick-freezing rotating speed, and adjusting the rotating speed of the fan to a preset fan quick-freezing rotating speed; and if not, maintaining the current rotating speeds of the compressor and the fan.
Illustratively, when a quick-freezing instruction is received, it is indicated that emergency refrigeration is required to be performed on the refrigerator, at this time, noise reduction is not required to be performed on the refrigerator, preset compressor quick-freezing rotating speed and fan quick-freezing rotating speed are directly obtained, and the rotating speed of the compressor is adjusted according to the compressor quick-freezing rotating speed and the rotating speed of the fan is adjusted according to the fan quick-freezing rotating speed.
Further, in the embodiment of the present invention, after the noise signal is acquired, the noise signal is displayed in the display area of the refrigerator, so that a user can directly know the current noise signal of the refrigerator.
Compared with the prior art, the refrigerator noise reduction method disclosed by the embodiment of the invention obtains the noise signals in the refrigerator in real time, wherein the noise signals comprise the sound pressure level signal and the loudness signal, when the refrigerator does not receive the voice adjusting signal, the working mode of the refrigerator needs to be determined, and then the rotating speeds of the compressor and the fan are adjusted according to the working mode of the refrigerator. Further, when the refrigerator is in a real-time adjusting mode, the rotating speed is adjusted according to the difference value between the noise signal and the noise threshold value, and when the refrigerator is in a fixed adjusting mode, the rotating speed is adjusted according to a preset rotating speed data packet. In the embodiment of the invention, the rotating speeds of the compressor and the fan can be automatically adjusted according to the set threshold value, the purpose of noise reduction is achieved, meanwhile, a voice adjusting instruction of a user can be received, the rotating speed is adjusted according to the voice of the user, compared with a mode of automatically adjusting the rotating speed of a refrigerator, the noise reduction requirement of the user is reflected more intuitively, and the user experience is further improved.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (8)
1. A refrigerator, characterized by comprising:
a cabinet serving as a support structure of the refrigerator and having a plurality of storage compartments therein;
a refrigeration system including a compressor and a fan;
a noise sensor for detecting a noise signal of the refrigerator; wherein the noise signal comprises a sound pressure level signal and a loudness signal;
the controller is configured to:
acquiring the noise signal;
when the voice adjusting signal is not received, comparing the noise signal with a preset noise threshold value; wherein the noise threshold comprises a sound pressure level threshold and a loudness threshold;
when the noise signal is greater than or equal to the noise threshold, determining an operating mode of the refrigerator;
when the refrigerator works in a real-time adjusting mode, adjusting the rotating speeds of the compressor and the fan according to the difference value between the noise signal and the noise threshold value;
and when the refrigerator works in a fixed adjusting mode, acquiring a preset rotating speed data packet to adjust the rotating speeds of the compressor and the fan.
2. The refrigerator of claim 1, wherein the controller is further configured to:
when a voice adjusting signal is received, identifying the voice adjusting signal to obtain a rotating speed adjusting instruction corresponding to the voice adjusting signal;
and adjusting the rotating speeds of the compressor and the fan according to the rotating speed adjusting instruction.
3. The refrigerator of claim 1, wherein the controller is further configured to:
after the rotating speeds of the compressor and the fan are adjusted, judging whether a quick-freezing instruction is received or not;
if so, adjusting the rotating speed of the compressor to a preset compressor quick-freezing rotating speed, and adjusting the rotating speed of the fan to a preset fan quick-freezing rotating speed; and if not, maintaining the current rotating speeds of the compressor and the fan.
4. The refrigerator of claim 1, wherein the controller is further configured to:
and after the noise signal is acquired, displaying the noise signal in a display area in the refrigerator.
5. A refrigerator noise reduction method is characterized by comprising the following steps:
acquiring a noise signal of the refrigerator; wherein the noise signal comprises a sound pressure level signal and a loudness signal;
when the voice adjusting signal is not received, comparing the noise signal with a preset noise threshold value; wherein the noise threshold comprises a sound pressure level threshold and a loudness threshold;
when the noise signal is greater than or equal to the noise threshold, determining an operating mode of the refrigerator;
when the refrigerator works in a real-time adjusting mode, adjusting the rotating speeds of a compressor and a fan in the refrigerator according to the difference value between the noise signal and the noise threshold value;
and when the refrigerator works in a fixed adjusting mode, acquiring a preset rotating speed data packet to adjust the rotating speeds of the compressor and the fan.
6. The method of reducing noise in a refrigerator of claim 5, further comprising:
when a voice adjusting signal is received, identifying the voice adjusting signal to obtain a rotating speed adjusting instruction corresponding to the voice adjusting signal;
and adjusting the rotating speeds of the compressor and the fan according to the rotating speed adjusting instruction.
7. The method of reducing noise in a refrigerator of claim 5, further comprising:
after the rotating speeds of the compressor and the fan are adjusted, judging whether a quick-freezing instruction is received or not;
if so, adjusting the rotating speed of the compressor to a preset compressor quick-freezing rotating speed, and adjusting the rotating speed of the fan to a preset fan quick-freezing rotating speed; and if not, maintaining the current rotating speeds of the compressor and the fan.
8. The method of reducing noise in a refrigerator of claim 5, further comprising:
and after the noise signal is acquired, displaying the noise signal in a display area in the refrigerator.
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| CN202111238154.0A CN113915912A (en) | 2021-10-25 | 2021-10-25 | Refrigerator and refrigerator noise reduction method |
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| CN202111238154.0A CN113915912A (en) | 2021-10-25 | 2021-10-25 | Refrigerator and refrigerator noise reduction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115493355A (en) * | 2022-09-20 | 2022-12-20 | 海信冰箱有限公司 | Refrigerator and mute control method thereof |
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| EP3842718A1 (en) * | 2019-12-27 | 2021-06-30 | Zhou, Shaowei | Refrigerator light-sensing system capable of saving energy and reducing noise |
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