CN106152389B - Air-conditioner control method, apparatus and system - Google Patents
Air-conditioner control method, apparatus and system Download PDFInfo
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- CN106152389B CN106152389B CN201510195713.2A CN201510195713A CN106152389B CN 106152389 B CN106152389 B CN 106152389B CN 201510195713 A CN201510195713 A CN 201510195713A CN 106152389 B CN106152389 B CN 106152389B
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Abstract
The invention discloses a kind of air-conditioner control method, the air-conditioner control method is the following steps are included: obtain the stress value of the pipeline of the outdoor unit of the air conditioner；When the stress value reaches preset standard, the stress value is sent to server, and receive the adjusting parameter returned by the server, wherein the preset standard is that the stress value is more than default stress threshold and predetermined hold-time；The running frequency of the compressor of the air conditioner is adjusted according to the adjusting parameter.The invention also discloses a kind of air conditioner controlling device and systems.The present invention adjusts the stress value of outdoor unit pipeline by adjusting the mode of compressor operating frequency, reduces the probability of the fracture of outdoor unit pipeline, improves the stability of air conditioner operation.
Description
Technical field
The present invention relates to air-conditioner field more particularly to air-conditioner control methods, device and system.
Background technique
Due to the difference of region, weather, use environment and use habit, air conditioner need in the process of running according to
The needs at family adjust the coolant quantity of input indoor unit, and the coolant quantity in use environment and pipeline influences outdoor unit conduit acceptor
The stress arrived, when the stress that outdoor unit conduit acceptor arrives is excessive, it may appear that the problem of outdoor unit pipeline break, lead to air conditioner
The stability of operation is lower.And in the prior art, and there is no the stress values by monitoring outdoor unit pipeline, to guarantee air-conditioning
The technical solution of the stability of device operation.
Summary of the invention
It is a primary object of the present invention to propose a kind of air-conditioner control method and system, it is intended to guarantee the outdoor of air conditioner
The reliability operation of the pipeline of machine, and then guarantee the stable operation of outdoor unit.
To achieve the above object, a kind of air-conditioner control method provided by the invention, the air-conditioner control method include
Following steps:
Obtain the stress value of the pipeline of the outdoor unit of the air conditioner；
When the stress value reaches preset standard, the stress value is sent to server, and receive by the service
The adjusting parameter that device returns, wherein the preset standard is that the stress value is more than default stress threshold and predetermined hold-time；
The running frequency of the compressor of the air conditioner is adjusted according to the adjusting parameter.
Preferably, described when the stress value reaches preset standard, the stress value is sent to server, and receive
The step of adjusting parameter returned by the server includes:
When the stress value got reaches preset standard, current outdoor environment temperature and the compressor are obtained
The variation tendency of working frequency；
The stress value, the outdoor environment temperature and the variation tendency are sent to the server, and received
By the adjusting parameter of server feedback.
Preferably, the step of adjusting parameter of the server return includes:
When the outdoor environment temperature is between preset temperature range, the server according to the compressor work
The variation tendency of frequency obtains corresponding adjusting parameter, and feeds back the adjusting parameter got；
When the outdoor environment temperature is less than the minimum value of the preset temperature range, the server, which returns, to be increased
The adjusting parameter of compressor frequency；
When the outdoor environment temperature is greater than the maximum value of the preset temperature range, the server, which returns, to be reduced
The adjusting parameter of compressor frequency；
Preferably, the server executes following steps after the pressure value that the air conditioner received is sent:
The corresponding frequency values of the stress value received are recorded as shielding frequency point by the server；
When the number of the shielding frequency point is greater than preset threshold, the server sends failure to preset communication terminal
Prompt information.
In addition, to achieve the above object, the present invention also proposes a kind of air conditioner controlling device, the air conditioner controlling device
Include:
Stress mornitoring module, the stress value of the pipeline for obtaining the outdoor unit of the air conditioner；
Sending module, for when the stress value reaches preset standard, the stress value to be sent to server,
In, the preset standard is that the stress value is more than default stress threshold and predetermined hold-time；
Receiving module, for receiving the adjusting parameter returned by the server；
Adjust module, the running frequency of the compressor for adjusting the air conditioner according to the adjusting parameter.
Preferably, the sending module includes:
Acquiring unit, when for reaching preset standard in the stress value got, obtain current outdoor environment temperature with
And the variation tendency of the working frequency of the compressor；
Transmission unit, it is described for the stress value, the outdoor environment temperature and the variation tendency to be sent to
Server.
In addition, to achieve the above object, the present invention also proposes a kind of air conditioner control system, the air conditioner control system
Including air conditioner and server, the air conditioner includes air conditioner controlling device as described above, and the server includes
Feedback module, the feedback module are used for:
When the outdoor environment temperature is between preset temperature range, according to the variation of the working frequency of the compressor
Trend obtains corresponding adjusting parameter, and feeds back the adjusting parameter got；
When the outdoor environment temperature is less than the minimum value of the preset temperature range, returns and increase compressor frequency
Adjusting parameter；
When the outdoor environment temperature is greater than the maximum value of the preset temperature range, returning reduces compressor frequency
Adjusting parameter.
Preferably, the server exists further include:
Logging modle, the corresponding frequency values of the stress value for will receive are recorded as shielding frequency point；
Cue module, for being sent to preset communication terminal when the number of the shielding frequency point is greater than preset threshold
Fault cues information.
Air-conditioner control method, device and system proposed by the present invention, air conditioner in real time or timing acquisition outdoor unit pipe
The stress value in road, and when the stress value got is greater than default stress threshold, the operation frequency of the air conditioner adjustment compressor
Rate adjusts the stress value of outdoor unit pipeline by adjusting the mode of compressor operating frequency, reduces the fracture of outdoor unit pipeline
Probability, guarantee the reliability operation of the pipeline of outdoor unit of the air conditioner, and then guarantee the stable operation of outdoor unit.
Detailed description of the invention
Fig. 1 is the flow diagram of the air condition of that present invention control method preferred embodiment；
Fig. 2 is the refinement flow diagram of step S20 in Fig. 1；
Fig. 3 is the functional block diagram of the air condition of that present invention control device preferred embodiment；
Fig. 4 is the refinement the functional block diagram of sending module in Fig. 3；
Fig. 5 is the functional block diagram of the air condition of that present invention control system preferred embodiment.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of air-conditioner control method.
Referring to Fig.1, Fig. 1 is the flow diagram of the air condition of that present invention control method preferred embodiment.
The present embodiment proposes that a kind of air-conditioner control method, the air-conditioner control method include:
Step S10 obtains the stress value of the pipeline of the outdoor unit of the air conditioner；
The stress value of outdoor unit pipeline can be detected by the way that strain gauge is arranged on outdoor unit pipeline, in detection stress
When value, the stress value of a direction can be only detected, as the direction of radial stress value, the stress value can be by producers according to experiment
Data determine.The strain gauge is preferably provided with multiple, is greater than in the stress value that a certain strain gauge detects and preset answers
When force threshold, then it is assumed that the current stress value of outdoor unit pipeline is greater than default stress threshold.The stress value of the outdoor unit pipeline with
The vibration of outdoor unit and pressure in outdoor unit pipeline are related, in the vibration and bigger pipeline pressure value of outdoor unit, pipe
The stress in road is bigger.
The stress value is sent to server when the stress value reaches preset standard by step S20, and receive by
The adjusting parameter that the server returns, wherein the preset standard is that the stress value is more than default stress threshold and continues
Predetermined time；
Since there may be fluctuations for the stress value that gets, such as when outdoor unit shakes suddenly, is likely to occur pipe stress value
The case where increasing suddenly, the preferably described preset standard of preset standard are that the stress value is more than default stress threshold and continues pre-
It fixes time, which can be set as needed by developer, preferably 3min.
The vibration generated when the frequency of compressor is lower is larger, causes the stress of outdoor unit pipeline larger, in compressor
Frequency it is higher when outdoor unit shake larger and outdoor unit pipeline in refrigerant pressure it is larger, lead to the stress of outdoor unit pipeline
Also larger, then compressor present operating frequency can be determined based on outdoor temperature, and determine corresponding adjusting parameter.
In the present embodiment, compressor can be adjusted based on the variation tendency of the working frequency of compressor, to guarantee
According to present mode of operation normal operation, (air conditioner is likely to improve cooling capacity output there are raising frequency air conditioner, it is also possible to high
The lower frequency reducing protection of temperature), i.e., include: referring to Fig. 2, the step S20
Step S21 obtains current outdoor environment temperature and described when the stress value got reaches preset standard
The variation tendency of the working frequency of compressor；
The stress value, the outdoor environment temperature and the variation tendency are sent to the service by step S22
Device, and receive the adjusting parameter by server feedback.
For server when receiving stress value, the step of returning to corresponding adjusting parameter, is as follows:
When the outdoor environment temperature is between preset temperature range, the server according to the compressor work
The variation tendency of frequency obtains corresponding adjusting parameter, and feeds back the adjusting parameter got；
When the outdoor environment temperature is less than the minimum value of the preset temperature range, the server, which returns, to be increased
The adjusting parameter of compressor frequency；
When the outdoor environment temperature is greater than the maximum value of the preset temperature range, the server, which returns, to be reduced
The adjusting parameter of compressor frequency.
For example, then when outdoor environment temperature is greater than 43 DEG C, needing to lower when preset temperature range is 35 DEG C~43 DEG C
The running frequency of cooler compressor, that is, return reduce compressor frequency adjusting parameter, such as return adjusting parameter be-
2HZ can then be adjusted compressor current operation frequency based on adjusting parameter then when the current running frequency of compressor is 70HZ
The reliability service of pipeline is protected for 68HZ to avoid the exceeded point of pipeline stress；When detecting external environment temperature lower than 35 DEG C,
It needs to raise the running frequency of the compressor of air conditioner at this time, that is, returns to the adjusting parameter for increasing compressor frequency, such as return
Adjusting parameter be 2HZ, then the current running frequency of compressor be 70HZ when, then can based on adjusting parameter compressor is current
Running frequency is adjusted to 72HZ, while avoiding, the cooling capacity of air conditioner is kept to export at pipeline stress exceeded；It is outer when detecting
(air conditioner is likely to improve cooling capacity output there are raising frequency, it is also possible under high temperature when environment temperature is between 35 DEG C~43 DEG C
Frequency reducing protection), then according to the running frequency of the down or up compressor of variation tendency of the working frequency of the compressor, such as
Current running frequency is 70HZ, and the variation tendency of current operation frequency is ascendant trend, then returns to raising compressor frequency
Adjusting parameter, the adjusting parameter such as returned is 2HZ, and compressor current operation frequency is adjusted to 72HZ, super to avoid stress
Punctuate.
Step S30 adjusts the running frequency of the compressor of the air conditioner according to the adjusting parameter.
The present embodiment propose air-conditioner control method, air conditioner in real time or timing acquisition outdoor unit pipeline stress value,
And when the stress value got is greater than default stress threshold, the running frequency of the air conditioner adjustment compressor, by adjusting
The mode of compressor operating frequency reduces the probability of the fracture of outdoor unit pipeline to adjust the stress value of outdoor unit pipeline, guarantees
The reliability operation of the pipeline of outdoor unit of the air conditioner, and then guarantee the stable operation of outdoor unit.
It further, is the stability for further increasing air conditioner operation, the service executes after receiving pressure value
Following steps:
The corresponding frequency values of the stress value received are recorded as shielding frequency point by the server；
When the number of the shielding frequency point is greater than preset threshold, the server sends failure to preset communication terminal
Prompt information.
For example, the preset threshold is 10, when the frequency masks frequency accumulation of compressor is more than 10, either when secondary tune
It is whole to be accumulated over 10 more than 10, or repeatedly, that is, indicate to be not only that the variation of environment or system affects pipeline
Vibration stress is exceeded, it may be possible to which the problems such as deformation clump weight of pipeline itself falls or designs existing defects takes at this time
Fault message is sent directly to department after sale, enterprise by business device, the information for needing on-site maintenance is prompted, to guarantee the steady of air conditioner
Fixed operation.
The present invention further provides a kind of air conditioner controlling devices.
It is the functional block diagram of the air condition of that present invention control device preferred embodiment referring to Fig. 3, Fig. 3.
It is emphasized that it will be apparent to those skilled in the art that functional block diagram shown in Fig. 3 is only one preferably real
The exemplary diagram of example is applied, those skilled in the art surrounds the functional module of air conditioner controlling device shown in Fig. 3, can carry out easily
The supplement of new functional module；The title of each functional module is self-defined title, is only used for auxiliary and understands air conditioner control dress
The each program function block set is not used in restriction technical solution of the present invention, and the core of technical solution of the present invention is, each customized
The function to be reached of the functional module of title.
The present embodiment proposes that a kind of air conditioner control system, the air conditioner control system include:
Stress mornitoring module 10, the stress value of the pipeline for obtaining the outdoor unit of the air conditioner；
The stress value of outdoor unit pipeline can be detected by the way that strain gauge is arranged on outdoor unit pipeline, in detection stress
When value, the stress value of a direction can be only detected, as the direction of radial stress value, the stress value can be by producers according to experiment
Data determine.The strain gauge is preferably provided with multiple, is greater than in the stress value that a certain strain gauge detects and preset answers
When force threshold, then it is assumed that the current stress value of outdoor unit pipeline is greater than default stress threshold.The stress value of the outdoor unit pipeline with
The vibration of outdoor unit and pressure in outdoor unit pipeline are related, in the vibration and bigger pipeline pressure value of outdoor unit, pipe
The stress in road is bigger.
Sending module 20, for when the stress value reaches preset standard, the stress value to be sent to server,
In, the preset standard is that the stress value is more than default stress threshold and predetermined hold-time；
Since there may be fluctuations for the stress value that gets, such as when outdoor unit shakes suddenly, is likely to occur pipe stress value
The case where increasing suddenly, the preferably described preset standard of preset standard are that the stress value is more than default stress threshold and continues pre-
It fixes time, which can be set as needed by developer, preferably 3min.
The vibration generated when the frequency of compressor is lower is larger, causes the stress of outdoor unit pipeline larger, in compressor
Frequency it is higher when outdoor unit shake larger and outdoor unit pipeline in refrigerant pressure it is larger, lead to the stress of outdoor unit pipeline
Also larger, then compressor present operating frequency can be determined based on outdoor temperature, and determine corresponding adjusting parameter.
In the present embodiment, compressor can be adjusted based on the variation tendency of the working frequency of compressor, to guarantee
According to present mode of operation normal operation, (air conditioner is likely to improve cooling capacity output there are raising frequency air conditioner, it is also possible to high
The lower frequency reducing protection of temperature), i.e., referring to Fig. 4, the sending module 20 includes:
Acquiring unit 21 obtains current outdoor environment temperature when for reaching preset standard in the stress value got
And the variation tendency of the working frequency of the compressor；
Transmission unit 22, for the stress value, the outdoor environment temperature and the variation tendency to be sent to institute
State server.
Receiving module 30, for receiving the adjusting parameter returned by the server；
Adjust module 40, the running frequency of the compressor for adjusting the air conditioner according to the adjusting parameter, wherein
The preset standard is that the stress value is more than default stress threshold and predetermined hold-time.
The present embodiment propose air conditioner controlling device, air conditioner in real time or timing acquisition outdoor unit pipeline stress value,
And when the stress value got is greater than default stress threshold, the running frequency of the air conditioner adjustment compressor, by adjusting
The mode of compressor operating frequency reduces the probability of the fracture of outdoor unit pipeline to adjust the stress value of outdoor unit pipeline, guarantees
The reliability operation of the pipeline of outdoor unit of the air conditioner, and then guarantee the stable operation of outdoor unit.
The present invention further provides a kind of air conditioner control systems.
It is the functional block diagram of the air condition of that present invention control system preferred embodiment referring to Fig. 5, Fig. 5.
The air conditioner control system that the present embodiment proposes includes air conditioner 1 and server 2, which includes above real
Air conditioner controlling device described in example is applied, the server includes feedback module 50, and the feedback module 50 is used for:
When the outdoor environment temperature is between preset temperature range, according to the variation of the working frequency of the compressor
Trend obtains corresponding adjusting parameter, and feeds back the adjusting parameter got；
When the outdoor environment temperature is less than the minimum value of the preset temperature range, returns and increase compressor frequency
Adjusting parameter；
When the outdoor environment temperature is greater than the maximum value of the preset temperature range, returning reduces compressor frequency
Adjusting parameter.
For example, then when outdoor environment temperature is greater than 43 DEG C, needing to lower when preset temperature range is 35 DEG C~43 DEG C
The running frequency of cooler compressor, that is, return reduce compressor frequency adjusting parameter, such as return adjusting parameter be-
2HZ can then be adjusted compressor current operation frequency based on adjusting parameter then when the current running frequency of compressor is 70HZ
The reliability service of pipeline is protected for 68HZ to avoid the exceeded point of pipeline stress；When detecting external environment temperature lower than 35 DEG C,
It needs to raise the running frequency of the compressor of air conditioner at this time, that is, returns to the adjusting parameter for increasing compressor frequency, such as return
Adjusting parameter be 2HZ, then the current running frequency of compressor be 70HZ when, then can based on adjusting parameter compressor is current
Running frequency is adjusted to 72HZ, while avoiding, the cooling capacity of air conditioner is kept to export at pipeline stress exceeded；It is outer when detecting
(air conditioner is likely to improve cooling capacity output there are raising frequency, it is also possible under high temperature when environment temperature is between 35 DEG C~43 DEG C
Frequency reducing protection), then according to the running frequency of the down or up compressor of variation tendency of the working frequency of the compressor, such as
Current running frequency is 70HZ, and the variation tendency of current operation frequency is ascendant trend, then returns to raising compressor frequency
Adjusting parameter, the adjusting parameter such as returned is 2HZ, and compressor current operation frequency is adjusted to 72HZ, super to avoid stress
Punctuate.
It further, is the stability for further increasing air conditioner operation, the server exists further include:
Logging modle, the corresponding frequency values of the stress value for will receive are recorded as shielding frequency point；
Cue module, for being sent to preset communication terminal when the number of the shielding frequency point is greater than preset threshold
Fault cues information.
For example, the preset threshold is 10, when the frequency masks frequency accumulation of compressor is more than 10, either when secondary tune
It is whole to be accumulated over 10 more than 10, or repeatedly, that is, indicate to be not only that the variation of environment or system affects pipeline
Vibration stress is exceeded, it may be possible to which the problems such as deformation clump weight of pipeline itself falls or designs existing defects takes at this time
Fault message is sent directly to department after sale, enterprise by business device, the information for needing on-site maintenance is prompted, to guarantee the steady of air conditioner
Fixed operation.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, computer, clothes
Business device, air conditioner or the network equipment etc.) execute method described in each embodiment of the present invention.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (6)
1. a kind of air-conditioner control method, which is characterized in that the air-conditioner control method the following steps are included:
Obtain the stress value of the pipeline of the outdoor unit of the air conditioner；
When the stress value reaches preset standard, the change of the working frequency of current outdoor environment temperature and compressor is obtained
Change trend；
The stress value, the outdoor environment temperature and the variation tendency are sent to server, and received by server
The adjusting parameter of feedback；Wherein, it is more than default stress threshold and predetermined hold-time that the preset standard, which is the stress value,；
The running frequency of the compressor of the air conditioner is adjusted according to the adjusting parameter.
2. air-conditioner control method as described in claim 1, which is characterized in that the step for the adjusting parameter that the server returns
Suddenly include:
When the outdoor environment temperature is between preset temperature range, the server according to the compressor working frequency
Variation tendency obtain corresponding adjusting parameter, and feed back the adjusting parameter got；
When the outdoor environment temperature is less than the minimum value of the preset temperature range, the server, which returns, increases compression
The adjusting parameter of unit frequency；
When the outdoor environment temperature is greater than the maximum value of the preset temperature range, the server, which returns, reduces compression
The adjusting parameter of unit frequency.
3. air-conditioner control method as claimed in claim 1 or 2, which is characterized in that the server is described in receive
After the stress value that air conditioner is sent, following steps are executed:
The corresponding frequency values of the stress value received are recorded as shielding frequency point by the server；
When the number of the shielding frequency point is greater than preset threshold, the server sends fault cues to preset communication terminal
Information.
4. a kind of air conditioner controlling device, which is characterized in that the air conditioner controlling device includes:
Stress mornitoring module, the stress value of the pipeline for obtaining the outdoor unit of the air conditioner；
Sending module, for obtaining current outdoor environment temperature and compressor when the stress value reaches preset standard
Working frequency variation tendency；The stress value, the outdoor environment temperature and the variation tendency are sent to service
Device；Wherein, it is more than default stress threshold and predetermined hold-time that the preset standard, which is the stress value,；
Receiving module, for receiving the adjusting parameter returned by the server；
Adjust module, the running frequency of the compressor for adjusting the air conditioner according to the adjusting parameter, wherein described pre-
Quasi- bidding is the stress value more than default stress threshold and predetermined hold-time.
5. a kind of air conditioner control system, which is characterized in that the air conditioner control system includes air conditioner and server, institute
Stating air conditioner includes air conditioner controlling device as claimed in claim 4, and the server includes feedback module, the feedback mould
Block is used for:
When the outdoor environment temperature is between preset temperature range, according to the variation tendency of the working frequency of the compressor
Corresponding adjusting parameter is obtained, and feeds back the adjusting parameter got；
When the outdoor environment temperature is less than the minimum value of the preset temperature range, the tune for increasing compressor frequency is returned
Whole parameter；
When the outdoor environment temperature is greater than the maximum value of the preset temperature range, the tune for reducing compressor frequency is returned
Whole parameter.
6. air conditioner control system as claimed in claim 5, which is characterized in that the server exists further include:
Logging modle, the corresponding frequency values of the stress value for will receive are recorded as shielding frequency point；
Cue module, for sending failure to preset communication terminal when the number of the shielding frequency point is greater than preset threshold
Prompt information.
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| CN201510195713.2A CN106152389B (en) | 2015-04-22 | 2015-04-22 | Air-conditioner control method, apparatus and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109520070B (en) * | 2018-09-30 | 2023-05-30 | 珠海格力电器股份有限公司 | Unit pipeline protection method, system and equipment |
| CN110562008A (en) * | 2019-09-19 | 2019-12-13 | 珠海格力电器股份有限公司 | Vehicle-mounted air conditioning method and device, storage medium and vehicle-mounted air conditioner |
| CN111141012A (en) * | 2019-12-24 | 2020-05-12 | 宁波奥克斯电气股份有限公司 | Pipeline stress control method and air conditioner control system |
| CN111397171A (en) * | 2020-04-14 | 2020-07-10 | 宁波奥克斯电气股份有限公司 | Compressor frequency control method and device and air conditioner |
| CN112460773B (en) * | 2020-12-07 | 2021-11-23 | 珠海格力电器股份有限公司 | Control method and device of air conditioning system, storage medium and air conditioner |
| CN113324328B (en) * | 2021-05-11 | 2022-12-13 | Tcl空调器(中山)有限公司 | Method and device for determining shielding frequency of refrigeration equipment and storage medium |
| CN113587390A (en) * | 2021-07-26 | 2021-11-02 | Tcl空调器(中山)有限公司 | Pipeline protection method and device, air conditioner and computer readable storage medium |
| CN115325656B (en) * | 2022-08-22 | 2024-06-11 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device, air conditioner and storage medium |
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