CN108626963A - A kind of refrigerator DNR dynamic noise reduction control method - Google Patents
A kind of refrigerator DNR dynamic noise reduction control method Download PDFInfo
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- CN108626963A CN108626963A CN201810355419.7A CN201810355419A CN108626963A CN 108626963 A CN108626963 A CN 108626963A CN 201810355419 A CN201810355419 A CN 201810355419A CN 108626963 A CN108626963 A CN 108626963A
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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
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- Devices That Are Associated With Refrigeration Equipment (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a kind of refrigerator DNR dynamic noise reduction control methods.In the present invention：Whether there is or not human body and controller is transmitted a signal to around infrared sensor of the human body detection refrigerator；Sensor noise acquires the level of noise around refrigerator and transmits a signal to controller；There are three compressor parameter, three condenser fan parameters and three timer parameters for controller setting, according to environmental noise grade and human infrared signal, whether analysis compressor and condenser fan adjust rotating speed operation, compressor and the running speed of condenser fan are determined when user is not near refrigerator, then by the analysis of control program.The present invention by be arranged infrared sensor of the human body incude refrigerator nearby whether someone, refrigerator ambient noise is acquired by sensor noise, controls the operation power of freezer compressor and condenser fan according to the signal of infrared sensor of the human body and sensor noise by controller；Refrigerator DNR dynamic noise reduction is realized, user experience is improved.
Description
Technical field
The invention belongs to refrigerator manufacturing fields, more particularly to a kind of refrigerator DNR dynamic noise reduction control method.
Background technology
With the developing of society, the progress of science and technology, refrigerator not only reached very high level in aspect of performance, in structure and
Also seem more and more beautiful air in appearance, but the user feedback the problem of on, noise of refrigerator problem still occupies certain
Complaint ratio, and caused the attention of major producer.
Chinese invention patent CN201610766539.7 discloses a kind of based on infrared refrigerator noise-reduction method, and utilization is infrared
Human body is close near sensor detection refrigerator, is turned to reduce the operation of compressor by the logic operation of display board and master control borad
Speed, to reduce noise.But the technology does not account for the influence of environmental noise, in fact, in a noisy environment, refrigerator
Influence of the noise to user it is minimum, noise need not be reduced, and when night quietness, although without user in refrigerator week
It encloses, but still needs to keep lower operation noise.
The noise of refrigerator is concentrated mainly on noise when freezer compressor and condenser fan operation, goes out from user experience angle
Hair is based on environmental noise grade and the location of user and refrigerator relationship, and actively dynamic reduces freezer compressor and condensating wind
Noise is fanned, can not only promote user experience, and will not make a big impact to refrigerator performance.
Invention content
The purpose of the present invention is to provide a kind of refrigerator DNR dynamic noise reduction control methods, by the way that infrared sensor of the human body sense is arranged
Answer refrigerator nearby whether someone, by sensor noise acquire refrigerator ambient noise, by controller according to human body infrared
The signal of sensor and sensor noise controls the operation power of freezer compressor and condenser fan；Refrigerator dynamic is realized to drop
It makes an uproar, improves user experience.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention is a kind of refrigerator DNR dynamic noise reduction control method, by infrared sensor of the human body, sensor noise, controller
In the noise-reduction control system of composition, carry out as follows：
Step 1, the infrared sensor of the human body incude refrigerator surrounding body's signal；The sensor noise acquires refrigerator
Ambient noise Value Data information；The infrared sensor transmits a signal to controller with sensor noise, is installed in controller
There is analysis and Control program；
Wherein, controller is divided into noise shelves according to the size of level of noise, respectively " noisy " shelves, " peace and quiet " shelves and " sleep "
Shelves；Controller controls frequency-changeable compressor by three rotary speed parameter N0, N1, N2 operations, and controller controls condenser fan and turns by three
Fast parameter F0, F1, F2 operation；Controller is additionally provided with timer T1, T2, T3；
Wherein, N0 and F0 is to meet refrigerator normally to freeze the current compressor and condenser fan rotating speed of requirement, and N1 and N2 are
It is to be made an uproar according to environment to need the compressor rotary speed value increased or decreased, F1 and F2 according to environmental noise grade and human infrared signal
Sound grade and human infrared signal need the condenser fan tachometer value increased or decreased；
Step 2, the controller control the frequency conversion of refrigerator according to the signal value of infrared sensor of the human body and sensor noise
The rotating speed of compressor and condensation wind speed；Including following sub-step：
SS01, when environmental noise is " noisy " shelves, controller controls compressor and condenser fan by rated speed operation,
I.e. compressor is run by N0 rotating speeds, and condenser fan is run by F0 rotating speeds；
SS02, when environmental noise be " peace and quiet " shelves when, whether controller has detected human body according to infrared sensor of the human body
Compressor rotary speed is controlled near refrigerator；
When there is human body near refrigerator, compressor rotary speed reduces N1 rotating speeds on the basis of N0, and condenser fan is F0's
On the basis of reduce F1 rotating speeds；
When can't detect human body near refrigerator, timer starts timing, the infrared sensor of the human body one within the T1 times
After human body directly is not detected, then after the T1 times, compressor and condenser fan are returned to rated speed, i.e. compressor is transported with N0 rotating speeds
Row, condenser fan rotating speed are run with F0 rotating speeds；
SS03, when environmental noise is " sleep " shelves, and when infrared sensor of the human body has detected human body nearby, compress
Machine reduces N2 rotating speeds again on the basis of decreased N1 rotating speeds, and condenser fan reduces F2 on the basis of reducing F1 rotating speeds and turns again
Speed；
When can't detect human body nearby, timer starts timing, and infrared sensor of the human body is not always within the T1 times
Detect human body, then after the T1 times, compressor rotary speed increases the operation of N2 rotating speeds, and condenser fan increases the operation of F2 rotating speeds；
Step 3, in the case where environmental noise is " peace and quiet ", if compressor has run always the T3 times and do not go out from being switched on
It now shuts down, then after the T3 times, compressor is run with N0 rotating speeds, and condenser fan is run with F0 rotating speeds, until there is compressor shutdown
After restart circulation step two；
Step 4, in the case where environmental noise is " sleep ", when infrared sensor of the human body detects human body, controller control
Timer processed starts timing；
If infrared sensor of the human body detects always human body nearby within the T2 times, and environmental noise is constantly in and " sleeps
Sleep " when, then after the T2 times, compressor rotary speed increases the operation of N2 rotating speeds, and condenser fan rotating speed increases the operation of F2 rotating speeds；
In the case where environmental noise is " sleep ", if compressor has run always the T3 times and has not shut down from being switched on,
Then after the T3 times, compressor is run with N0 rotating speeds, and condenser fan is run with F0 rotating speeds, is restarted after there is compressor shutdown
Circulation step two.
Preferably, the infrared sensor of the human body is mounted on the display board of refrigerator door, and infrared sensor of the human body
Usage quantity be at least one；The sensor noise is mounted at the top of refrigerator.
Preferably, the level of noise in step 1 is ZY；It is " sleep " shelves as ZY≤Z1；It is " peace as Z2 ＞ ZY ＞ Z1
It is quiet " shelves；It is " noisy " shelves as ZY >=Z2；
Wherein, the ranging from 25-35dB (A) of Z1；The ranging from 45-55dB (A) of Z2.
The invention has the advantages that：
The present invention be arranged infrared sensor of the human body incude refrigerator nearby whether someone, pass through sensor noise acquire refrigerator week
Ambient noise is enclosed, freezer compressor and condensation are controlled according to the signal of infrared sensor of the human body and sensor noise by controller
The operation power of fan；Refrigerator DNR dynamic noise reduction is realized, user experience is improved.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of control flow chart of refrigerator DNR dynamic noise reduction control method of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Refering to Figure 1, the present invention is a kind of refrigerator DNR dynamic noise reduction control method, it is included in by human-body infrared sensing
In the noise-reduction control system that device, sensor noise, controller form, carry out as follows：
Step 1, the infrared sensor of the human body incude refrigerator surrounding body's signal；The sensor noise acquires refrigerator
Ambient noise Value Data information；The infrared sensor transmits a signal to controller with sensor noise, is installed in controller
There is analysis and Control program；
Wherein, controller is divided into noise shelves according to the size of level of noise, respectively " noisy " shelves, " peace and quiet " shelves and " sleep "
Shelves；Controller controls frequency-changeable compressor by three rotary speed parameter N0, N1, N2 operations, and controller controls condenser fan and turns by three
Fast parameter F0, F1, F2 operation；Controller is additionally provided with timer T1, T2, T3；
Wherein, N0 and F0 is to meet refrigerator normally to freeze the current compressor and condenser fan rotating speed of requirement, and N1 and N2 are
It is to be made an uproar according to environment to need the compressor rotary speed value increased or decreased, F1 and F2 according to environmental noise grade and human infrared signal
Sound grade and human infrared signal need the condenser fan tachometer value increased or decreased；
Step 2, the controller control the frequency conversion of refrigerator according to the signal value of infrared sensor of the human body and sensor noise
The rotating speed of compressor and condensation wind speed；Including following sub-step：
SS01, when environmental noise is " noisy " shelves, controller controls compressor and condenser fan by rated speed operation,
I.e. compressor is run by N0 rotating speeds, and condenser fan is run by F0 rotating speeds；
SS02, when environmental noise be " peace and quiet " shelves when, whether controller has detected human body according to infrared sensor of the human body
Compressor rotary speed is controlled near refrigerator；
When there is human body near refrigerator, compressor rotary speed reduces N1 rotating speeds on the basis of N0, and condenser fan is F0's
On the basis of reduce F1 rotating speeds；
When can't detect human body near refrigerator, timer starts timing, the infrared sensor of the human body one within the T1 times
After human body directly is not detected, then after the T1 times, compressor and condenser fan are returned to rated speed, i.e. compressor is transported with N0 rotating speeds
Row, condenser fan rotating speed are run with F0 rotating speeds；
SS03, when environmental noise is " sleep " shelves, and when infrared sensor of the human body has detected human body nearby, compress
Machine reduces N2 rotating speeds again on the basis of decreased N1 rotating speeds, and condenser fan reduces F2 on the basis of reducing F1 rotating speeds and turns again
Speed；
When can't detect human body nearby, timer starts timing, and infrared sensor of the human body is not always within the T1 times
Detect human body, then after the T1 times, compressor rotary speed increases the operation of N2 rotating speeds, and condenser fan increases the operation of F2 rotating speeds；
Step 3, in the case where environmental noise is " peace and quiet ", if compressor has run always the T3 times and do not go out from being switched on
It now shuts down, then after the T3 times, compressor is run with N0 rotating speeds, and condenser fan is run with F0 rotating speeds, until there is compressor shutdown
After restart circulation step two；
Step 4, in the case where environmental noise is " sleep ", when infrared sensor of the human body detects human body, controller control
Timer processed starts timing；
If infrared sensor of the human body detects always human body nearby within the T2 times, and environmental noise is constantly in and " sleeps
Sleep " when, then after the T2 times, compressor rotary speed increases the operation of N2 rotating speeds, and condenser fan rotating speed increases the operation of F2 rotating speeds；
In the case where environmental noise is " sleep ", if compressor has run always the T3 times and has not shut down from being switched on,
Then after the T3 times, compressor is run with N0 rotating speeds, and condenser fan is run with F0 rotating speeds, is restarted after there is compressor shutdown
Circulation step two.
Preferably, the infrared sensor of the human body is mounted on the display board of refrigerator door, and infrared sensor of the human body
Usage quantity be at least one；The sensor noise is mounted at the top of refrigerator.
Preferably, the level of noise in step 1 is ZY；It is " sleep " shelves as ZY≤Z1；It is " peace as Z2 ＞ ZY ＞ Z1
It is quiet " shelves；It is " noisy " shelves as ZY >=Z2；
Wherein, the ranging from 25-35dB (A) of Z1；The ranging from 45-55dB (A) of Z2.
Specific embodiment one：
In this implementation, sensor noise is sent to control to perceive refrigerator ambient noise value, by collected level of noise
Device, judges the order of magnitude of noise, is provided with Z1 and Z2 values in the controller, and Z1 values are arranged in the present embodiment
For 30dB (A), Z2 values are set as 50dB (A).
Adjustable based on frequency-changeable compressor rotating speed, compressor rotary speed when N0 is normal refrigerating operaton in the present embodiment, F0 is
Condenser fan rotating speed when normal refrigerating operaton, citing compressor rotary speed is 3000rpm in the present embodiment, and condenser fan rotating speed is
1320rpm；N1 is 900rpm, N2 600rpm, F1 120rpm, F2 100rpm, and T1 is set as 1 minute, and T2 is set as 30
Minute, T3 is set as 240 minutes.
Control rules of order in this example is as follows：
A) when environmental noise is " noisy " (ZY >=50dB (A)), no matter whether infrared sensor, which is determined with human body, approaches,
Compressor is run with 3000rpm, and condenser fan is run with 1320rpm.
B) when environmental noise is " peace and quiet " (50dB (A) ＞ ZY ＞ 30dB (A)), compressor rotary speed is passed according to human body infrared
Whether sensor has detected that human body is judged near refrigerator；
When there is human body near refrigerator, compressor is run with 2100rpm, and condenser fan adjustment of rotational speed to 1200rpm is transported
Row；
When infrared sensor of the human body can't detect human body near refrigerator more than 1 minute when, compressor rotary speed is with 3000rpm
Rotating speed is run, and condenser fan rotating speed is run with 1200rpm rotating speeds；
Particularly, in the case where environmental noise is " peace and quiet ", if compressor has run always 240 minutes not go out from booting
It now shuts down, then compressor is run with 3000rpm rotating speeds, and condenser fan is run with 1320rpm rotating speeds, until there is compressor shutdown
Restart the control rule of noise reduction in the present invention afterwards.
C) when environmental noise is " sleep " (ZY≤30dB (A)), and when having detected human body nearby, compressor with
1500rpm rotating speeds are run, and condenser fan is run with 1100rpm rotating speeds；
When can't detect human body nearby, timer starts timing, and human body is not detected always in 1 minute, then 1 point
Zhong Hou, compressor rotary speed are run with 2100rpm rotating speeds, and condenser fan rotating speed is run with F1=1200rpm rotating speeds；
Particularly, in the case where environmental noise is " sleep ", when detecting human body, if being examined always in T2=30 minutes
Measure human body nearby, and when environmental noise is constantly in " sleep ", then after T2=30 minutes, compressor rotary speed is with 2100rpm
Rotating speed is run, and condenser fan is run with 1200rpm rotating speeds.In the case where environmental noise is " sleep ", if compressor is from booting
It has run always 240 minutes and has not shut down, then compressor is run with 3000rpm rotating speeds, and condenser fan is transported with 1320rpm rotating speeds
Row restarts the control rule of noise reduction in the present invention after there is compressor shutdown.
Table 1 is the control rules of order table in embodiment one：
It is worth noting that, in above system embodiment, included each unit is only drawn according to function logic
Point, but it is not limited to above-mentioned division, as long as corresponding function can be realized；In addition, each functional unit is specific
Title is also only to facilitate mutually distinguish, the protection domain being not intended to restrict the invention.
In addition, one of ordinary skill in the art will appreciate that realizing all or part of step in the various embodiments described above method
It is that relevant hardware can be instructed to complete by program, corresponding program can be stored in a computer-readable storage and be situated between
In matter, the storage medium, such as ROM/RAM, disk or CD.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the present invention
Principle and practical application, to enable skilled artisan to be best understood by and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (3)
1. a kind of refrigerator DNR dynamic noise reduction control method, which is characterized in that by infrared sensor of the human body, sensor noise, control
In the noise-reduction control system of device composition, carry out as follows：
Step 1, the infrared sensor of the human body incude refrigerator surrounding body's signal；Around the sensor noise acquisition refrigerator
Level of noise data information；The infrared sensor and sensor noise transmit a signal to controller, are equipped in controller point
Analysis control program；
Wherein, controller is divided into noise shelves according to the size of level of noise, respectively " noisy " shelves, " peace and quiet " shelves and " sleep " shelves；
Controller controls frequency-changeable compressor by three rotary speed parameter N0, N1, N2 operations, and controller controls condenser fan is joined by three rotating speeds
Number F0, F1, F2 operation；Controller is additionally provided with timer T1, T2, T3；
Wherein, N0 and F0 is to meet refrigerator normally to freeze the current compressor and condenser fan rotating speed of requirement, according to N1 and N2
It is according to environmental noise etc. that environmental noise grade and human infrared signal, which need the compressor rotary speed value increased or decreased, F1 and F2,
Grade and human infrared signal need the condenser fan tachometer value increased or decreased；
Step 2, the frequency conversion that the controller controls refrigerator according to the signal value of infrared sensor of the human body and sensor noise are compressed
The rotating speed of machine and condensation wind speed；Including following sub-step：
SS01, when environmental noise is " noisy " shelves, controller controls compressor and condenser fan by rated speed operation, that is, presses
Contracting machine is run by N0 rotating speeds, and condenser fan is run by F0 rotating speeds；
SS02, when environmental noise be " peace and quiet " shelves when, whether controller has detected human body in ice according to infrared sensor of the human body
Case nearby controls compressor rotary speed；
When there is human body near refrigerator, compressor rotary speed reduces N1 rotating speeds on the basis of N0, and condenser fan is on the basis of F0
Upper reduction F1 rotating speeds；
When can't detect human body near refrigerator, timer starts timing, and infrared sensor of the human body is not always within the T1 times
After detecting human body, then after the T1 times, compressor and condenser fan are returned to rated speed, i.e. compressor is run with N0 rotating speeds,
Condenser fan rotating speed is run with F0 rotating speeds；
SS03, when environmental noise is " sleep " shelves, and when infrared sensor of the human body has detected human body nearby, compressor exists
Reduce N2 rotating speeds on the basis of decreased N1 rotating speeds again, condenser fan reduces F2 rotating speeds again on the basis of reducing F1 rotating speeds；
When can't detect human body nearby, timer starts timing, and infrared sensor of the human body does not detect always within the T1 times
To human body, then after the T1 times, compressor rotary speed increases the operation of N2 rotating speeds, and condenser fan increases the operation of F2 rotating speeds；
Step 3, in the case where environmental noise is " peace and quiet ", if compressor has run always the T3 times and do not stop from being switched on
Machine, then after the T3 times, compressor is run with N0 rotating speeds, and condenser fan is run with F0 rotating speeds, after there is compressor shutdown again
Start circulation step two；
Step 4, in the case where environmental noise is " sleep ", when infrared sensor of the human body detects human body, controller control meter
When device start timing；
If infrared sensor of the human body detects always human body nearby within the T2 times, and environmental noise is constantly in " sleep "
When, then after the T2 times, compressor rotary speed increases the operation of N2 rotating speeds, and condenser fan rotating speed increases the operation of F2 rotating speeds；
In the case where environmental noise is " sleep ", if compressor has run always the T3 times and has not shut down from being switched on, T3
After time, compressor is run with N0 rotating speeds, and condenser fan is run with F0 rotating speeds, restarts cycle after there is compressor shutdown
Step 2.
2. a kind of refrigerator DNR dynamic noise reduction control method according to claim 1, which is characterized in that the human-body infrared sensing
Device is mounted on the display board of refrigerator door, and the usage quantity of infrared sensor of the human body is at least one；The noise passes
Sensor is mounted at the top of refrigerator.
3. a kind of refrigerator DNR dynamic noise reduction control method according to claim 1, which is characterized in that the level of noise in step 1
For ZY；It is " sleep " shelves as ZY≤Z1；It is " peace and quiet " shelves as Z2 ＞ ZY ＞ Z1；It is " noisy " shelves as ZY >=Z2；
Wherein, the ranging from 25-35dB (A) of Z1；The ranging from 45-55dB (A) of Z2.
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| CN110411035A (en) * | 2019-08-05 | 2019-11-05 | 珠海格力电器股份有限公司 | Method and equipment for adjusting running noise of electric appliance and electric appliance system |
| CN110425793A (en) * | 2019-08-14 | 2019-11-08 | 合肥美菱物联科技有限公司 | A kind of semiconductor freezer and its refrigerating method |
| CN110671885A (en) * | 2019-10-08 | 2020-01-10 | 长虹美菱股份有限公司 | Frequency conversion energy-saving low-noise refrigerator |
| CN111426491A (en) * | 2020-03-12 | 2020-07-17 | 长虹美菱股份有限公司 | Noise detection control method and system for multi-system air-cooled refrigerator |
| CN111998605A (en) * | 2019-05-27 | 2020-11-27 | 博西华电器（江苏）有限公司 | Control method of refrigeration equipment and refrigeration equipment |
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| CN112455302A (en) * | 2020-12-14 | 2021-03-09 | 广东英得尔实业发展有限公司 | Refrigerator noise reduction method and refrigerator noise reduction system |
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| CN114877614A (en) * | 2022-06-07 | 2022-08-09 | 四川虹美智能科技有限公司 | Control system and method for intelligent noise reduction refrigerator |
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| CN111426491B (en) * | 2020-03-12 | 2021-08-31 | 长虹美菱股份有限公司 | Noise detection control method and system for multi-system air-cooled refrigerator |
| CN111426491A (en) * | 2020-03-12 | 2020-07-17 | 长虹美菱股份有限公司 | Noise detection control method and system for multi-system air-cooled refrigerator |
| CN112393490A (en) * | 2020-11-17 | 2021-02-23 | 安徽康佳同创电器有限公司 | Refrigerator noise control method, refrigerator and storage medium |
| CN112455302A (en) * | 2020-12-14 | 2021-03-09 | 广东英得尔实业发展有限公司 | Refrigerator noise reduction method and refrigerator noise reduction system |
| CN113074488A (en) * | 2021-05-05 | 2021-07-06 | 广东奥马冰箱有限公司 | Refrigeration appliance with intelligent silencing function and control method |
| CN114877614A (en) * | 2022-06-07 | 2022-08-09 | 四川虹美智能科技有限公司 | Control system and method for intelligent noise reduction refrigerator |
| CN115444335A (en) * | 2022-09-20 | 2022-12-09 | 宁波方太厨具有限公司 | Cleaning control method of cleaning machine and cleaning machine |
| CN115444335B (en) * | 2022-09-20 | 2024-08-16 | 宁波方太厨具有限公司 | Cleaning control method of cleaning machine and cleaning machine |
| CN116164493A (en) * | 2023-03-02 | 2023-05-26 | 四川虹美智能科技有限公司 | Intelligent refrigerator capable of automatically adjusting rotation speed of compressor through WiFi channel detection |
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