CN110173805A - Air conditioner and its communication control method, device - Google Patents

Air conditioner and its communication control method, device Download PDF

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Publication number
CN110173805A
CN110173805A CN201910390470.6A CN201910390470A CN110173805A CN 110173805 A CN110173805 A CN 110173805A CN 201910390470 A CN201910390470 A CN 201910390470A CN 110173805 A CN110173805 A CN 110173805A
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CN
China
Prior art keywords
communication
voltage
module
air conditioner
communication module
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Granted
Application number
CN201910390470.6A
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Chinese (zh)
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CN110173805B (en
Inventor
向兴华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea Refrigeration Equipment Co Ltd
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Priority to CN201910390470.6A priority Critical patent/CN110173805B/en
Publication of CN110173805A publication Critical patent/CN110173805A/en
Application granted granted Critical
Publication of CN110173805B publication Critical patent/CN110173805B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32Responding to malfunctions or emergencies
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/49Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/54Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56Remote control
    • F24F11/58Remote control using Internet communication
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/65Electronic processing for selecting an operating mode
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00Control inputs relating to system states
    • F24F2140/50Load

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

This application discloses a kind of air conditioner and its communication control methods, device, which comprises detection current power voltage;According to current power voltage control the communication mode of indoor and outdoor machine carry out communicating by current ring communication module communicated with by spare communication module between switch.The control method of the application carries out indoor and outdoor machine communication by current ring communication mode in the normal situation of supply voltage;In the case that supply voltage is very low, indoor and outdoor communication is carried out using spare communication mode, the deficiency that current ring communication supply voltage reduces caused by so as to make up because of network voltage reduction, power grid is effectively prevented in the case where low-voltage the problem of air conditioning chamber's communication failures of indoor unit and outdoor unit, guarantees that air conditioner can work normally at low voltage.

Description

Air conditioner and its communication control method, device
Technical field
This application involves air-conditioning technical field, in particular to a kind of air conditioner and its communication control method, device.
Background technique
Currently, the communication mode between the indoor unit and outdoor unit of convertible frequency air-conditioner is typically all that electric current loop is used to carry out in real time Communication, and indoor unit and outdoor unit it is outer between communication be also typically all using the fixed commitment defini interval of slave mode and communication Frequency.In power grid under low-voltage state, air-conditioning will appear electric current loop supply voltage deficiency, communicate event so as to cause indoor and outdoor machine Barrier.
Summary of the invention
The application is intended to solve at least some of the technical problems in related technologies.
For this purpose, first purpose of the application is to propose a kind of air conditioner and its communication control method, according to current electricity Source voltage control indoor and outdoor machine communication mode by current ring communication module carry out communication with pass through spare communication module into Switch between row communication, compensates for the deficiency that current ring communication supply voltage reduces caused by reducing because of network voltage, it is effectively anti- Only power grid is in the case where low-voltage the problem of air conditioning chamber's communication failures of indoor unit and outdoor unit, guarantees that air conditioner can normal work at low voltage Make.
Second purpose of the application is to propose a kind of communication control unit of air conditioner.
The third purpose of the application is to propose a kind of air conditioner.
The 4th purpose of the application is to propose a kind of computer readable storage medium.
In order to achieve the above objectives, the application first aspect embodiment provides a kind of communication control method of air conditioner, packet It includes: detection current power voltage;The communication mode of indoor and outdoor machine is controlled logical by electric current loop according to the current power voltage Letter module carry out communication with by spare communication module communicated between switch.
In addition, the communication control method of the air conditioner proposed according to the above embodiments of the present application can also have following add Technical characteristic:
In one embodiment of the application, the communication mode that indoor and outdoor machine is controlled according to the current power voltage If carried out by current ring communication module communication communicated with by spare communication module between switching include: described work as Preceding supply voltage is greater than predetermined voltage threshold, then controls the indoor and outdoor machine communication mode and be switched to through the current ring communication Module is communicated.
In one embodiment of the application, the communication mode that indoor and outdoor machine is controlled according to the current power voltage If carried out by current ring communication module communication communicated with by spare communication module between switching include: described work as Preceding supply voltage is less than or equal to predetermined voltage threshold, then controls the indoor and outdoor machine communication mode and be switched to by described spare Communication module is communicated.
In one embodiment of the application, the spare communication module be 485 communication modules or WiFi communication module or Bluetooth communication or zigbee module.
In one embodiment of the application, the supply voltage is the voltage of the input ac power of the air conditioner, Alternatively, the supply voltage is the output voltage of the power supply module for communication of the current ring communication module.
In order to achieve the above objectives, the application second aspect embodiment provides a kind of communication control unit of air conditioner, packet It includes: detection module, for detecting current power voltage;Switching module, for by current ring communication module carry out communication with Communication is carried out by spare communication module to switch over;Control module is used for according to the current power voltage to the switching Module is controlled, so that the communication mode of indoor and outdoor machine is carrying out communication by current ring communication module and passing through spare communication Module switches between being communicated.
In addition, the communication control unit of the air conditioner proposed according to the above embodiments of the present application can also have following add Technical characteristic:
In one embodiment of the application, the control module is used for, and is greater than default electricity in the current power voltage When pressing threshold value, controls the indoor and outdoor machine communication mode and be switched to and communicated by the current ring communication module.
In one embodiment of the application, the control module is used for, and is less than or equal in the current power voltage When predetermined voltage threshold, controls the indoor and outdoor machine communication mode and be switched to and communicated by the spare communication module.
In one embodiment of the application, the spare communication module be 485 communication modules or WiFi communication module or Bluetooth communication or zigbee module.
In one embodiment of the application, the supply voltage is the voltage of the input ac power of the air conditioner, Alternatively, the supply voltage is the output voltage of the power supply module for communication of the current ring communication module.
In order to achieve the above objectives, the application third aspect embodiment provides a kind of air conditioner, comprising: above-mentioned air conditioner Communication control unit.
In order to achieve the above objectives, the application fourth aspect embodiment provides a kind of computer readable storage medium, thereon It is stored with computer program, which realizes the communication control method of above-mentioned air conditioner when being executed by processor.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
The communication mode that the application can control indoor and outdoor machine according to current power voltage is passing through current ring communication module Carry out communication with by spare communication module communicated between switch, it is logical to compensate for electric current loop caused by reducing because of network voltage Believe the deficiency that supply voltage reduces, effectively prevent power grid in the case where low-voltage the problem of air conditioning chamber's communication failures of indoor unit and outdoor unit, Guarantee that air conditioner can work normally at low voltage.
Detailed description of the invention
Fig. 1 is the flow chart of the communication control method of the air conditioner of the embodiment of the present application one;
Fig. 2 is the block diagram of the communication control unit of the air conditioner of the embodiment of the present application two;And
Fig. 3 is the block diagram of the air conditioner of the embodiment of the present application three.
Specific embodiment
Slave side is generally used in order to solve the communication in the prior art between the indoor unit and outdoor unit of convertible frequency air-conditioner Formula fixed commitment defini interval and communication frequency, there are power grids under low-voltage state, and electric current loop supply voltage deficiency occur causes The technical issues of indoor and outdoor machine communication failure, present applicant proposes a kind of communication control methods of air conditioner, according to current power The communication mode of voltage control indoor and outdoor machine is carried out with by spare communication module communicate by current ring communication module Switch between communication, compensates for the deficiency that current ring communication supply voltage reduces caused by reducing because of network voltage, effectively prevent Power grid guarantees that air conditioner can normal work at low voltage in the case where low-voltage the problem of air conditioning chamber's communication failures of indoor unit and outdoor unit Make.
In order to better understand the above technical scheme, the exemplary reality of the application is more fully described below with reference to accompanying drawings Apply example.Although showing the exemplary embodiment of the application in attached drawing, it being understood, however, that may be realized in various forms this Shen Please and should not be limited by the embodiments set forth herein.It is to be able to thoroughly understand this on the contrary, providing these embodiments Application, and scope of the present application can be fully disclosed to those skilled in the art.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper Technical solution is stated to be described in detail.
Embodiment one
Fig. 1 is the flow chart of the communication control method of the air conditioner of the embodiment of the present application one.
As shown in Figure 1, the communication control method of the air conditioner of the embodiment of the present application can comprise the following steps that
S11 detects current power voltage.
In one embodiment of the application, supply voltage can be the voltage of the input ac power of air conditioner, alternatively, Supply voltage can be the output voltage of the power supply module for communication of current ring communication module.
S12 is led to according to the communication mode that current power voltage controls indoor and outdoor machine by current ring communication module Letter with by spare communication module communicated between switch.Wherein, spare communication module can for 485 communication modules or WiFi (Wireless Fidelity, wireless network) communication module or bluetooth communication or zigbee module (completely new wireless network Data communication technology).
In one embodiment of the application, electric current is being passed through according to the communication mode that current power voltage controls indoor and outdoor machine Ring communication module carry out communication with by spare communication module communicated between switching include: if that current power voltage is greater than Predetermined voltage threshold, then control indoor and outdoor machine communication mode and be switched to and communicated by current ring communication module.Wherein, it presets Voltage threshold can be demarcated according to the actual situation.
In one embodiment of the application, electric current is being passed through according to the communication mode that current power voltage controls indoor and outdoor machine Ring communication module carry out communication with by spare communication module communicated between switching include: if that current power voltage is less than Or be equal to predetermined voltage threshold, then it controls indoor and outdoor machine communication mode and is switched to and communicated by spare communication module.
Specifically, after air conditioner works on power, current power supply voltage (voltage of such as input ac power) is detected, And it is judged.When current power voltage is greater than predetermined voltage threshold, illustrates that current power voltage is larger, be not in Communication abnormality problem caused by undertension is controlled communicated between indoor unit and outdoor unit with normal communication mode at this time, The communication between indoor unit and outdoor unit is realized by current ring communication module.When current power voltage is less than or equal in advance If when voltage threshold, illustrating that current voltage is smaller, in order to avoid occurring reducing because of voltage, current ring communication supply voltage is caused to drop Low deficiency, the problem of preventing air conditioning chamber's communication failures of indoor unit and outdoor unit in the case where low-voltage, control at this time indoor unit with It is communicated, i.e., is realized by spare communication module logical between indoor unit and outdoor unit with low voltage mode between outdoor unit Letter.
In one embodiment of the application, control indoor and outdoor machine communication mode is switched to be carried out by spare communication module After communication, further includes:
S21 is detected in air conditioner and is occurred communication abnormality between indoor unit and outdoor unit.
For example, after indoor unit sends communication connection signal to outdoor unit, if after a period of time (the first preset duration), Indoor unit does not receive the reply data of outdoor unit feedback yet, then judges the appearance communication abnormality between indoor unit and outdoor unit.
S22, control are adjusted the messaging parameter between indoor unit and outdoor unit.For example, control increase is adjusted Commitment defini interval in messaging parameter;And/or control increases the communication frequency in messaging parameter adjusted.
It should be noted that communicate by current ring communication module and carrying out communicating it by spare communication module Between when switching, messaging parameter (commitment defini interval and communication frequency) can also adjust accordingly.
In one embodiment of the application, the communication control method of above-mentioned air conditioner, further includes: obtain indoor unit with Occurs the duration of communication abnormality between outdoor unit, identification duration is more than or equal to third preset duration, determines room There is communication failure in interior machine and outdoor unit;And/or appearance communication is different between indoor unit and outdoor unit in the second preset duration of acquisition Normal frequency of abnormity, identification frequency of abnormity are more than or equal to the second preset times, determine that indoor unit and outdoor unit communicate Failure.Wherein, the second preset duration, third preset duration and the second preset times can be demarcated according to the actual situation.
Specifically, in order to guarantee to judge communication whether normal accuracy, judging occur between indoor unit and outdoor unit When communication abnormality, duration and/or frequency of abnormity also according to communication abnormality determine between indoor unit and outdoor unit whether There is communication abnormality.For example, when judging communication abnormality occur between indoor unit and outdoor unit, obtain indoor unit and outdoor unit it Between there is the duration of communication abnormality, and it is judged, if the duration is greater than or equal to third preset duration, It can determine occur communication abnormality between indoor unit and outdoor unit;If the duration is less than third preset duration, further It is default to judge whether the number for occurring communication abnormality in the second preset duration between indoor unit and outdoor unit is greater than or equal to second Number, wherein if it is, communication abnormality occurs in judgement, if it is not, then illustrating to be likely to occur between indoor unit and outdoor unit logical Letter delay.For another example, can also only according to occur the duration of communication abnormality between indoor unit and outdoor unit to determine whether go out It is now abnormal, or only judge according to occurring the frequency of abnormity of communication abnormality between indoor unit and outdoor unit in the second preset duration Whether exception is occurred.
Technical solution in above-mentioned the embodiment of the present application, has at least the following technical effects or advantages:
The communication mode that the application can control indoor and outdoor machine according to current power voltage is passing through current ring communication module Carry out communication with by spare communication module communicated between switch, it is logical to compensate for electric current loop caused by reducing because of network voltage Believe the deficiency that supply voltage reduces, effectively prevent power grid in the case where low-voltage the problem of air conditioning chamber's communication failures of indoor unit and outdoor unit, Guarantee that air conditioner can work normally at low voltage.
Based on same design, the embodiment of the present application also provides the corresponding devices of method in embodiment one, see embodiment two.
Embodiment two
Fig. 2 is the block diagram of the communication control unit of the air conditioner of the embodiment of the present application two.
As shown in Fig. 2, the communication control unit of the air conditioner of the application, it may include: detection module 201, switching module 202 With control module 203.
Wherein, detection module 201 is for detecting current power voltage.Switching module 202 is used for passing through current ring communication Module carries out communication and communicate switching over by spare communication module.Control module 203 is used for according to current power electricity Pressure controls switching module, so that the communication mode of indoor and outdoor machine is being communicated and passed through by current ring communication module Spare communication module switches between being communicated.
In one embodiment of the application, control module 203 is used for, and is greater than predetermined voltage threshold in current power voltage When, control indoor and outdoor machine communication mode is switched to be communicated by current ring communication module.
In one embodiment of the application, control module 203 is used for, and is less than or equal to default electricity in current power voltage When pressing threshold value, control indoor and outdoor machine communication mode is switched to be communicated by spare communication module.
In one embodiment of the application, spare communication module can for 485 communication modules or WiFi communication module or Bluetooth communication or zigbee module.
In one embodiment of the application, supply voltage is the voltage of the input ac power of air conditioner, alternatively, power supply Voltage is the output voltage of the power supply module for communication of current ring communication module.
It should be noted that undisclosed details in the communication control unit of the air conditioner in the embodiment of the present application, please join Details disclosed in communication control method according to the air conditioner in the embodiment of the present application, specific which is not described herein again.
Technical solution in above-mentioned the embodiment of the present application, has at least the following technical effects or advantages:
The communication mode that the application can control indoor and outdoor machine according to current power voltage is passing through current ring communication module Carry out communication with by spare communication module communicated between switch, it is logical to compensate for electric current loop caused by reducing because of network voltage Believe the deficiency that supply voltage reduces, effectively prevent power grid in the case where low-voltage the problem of air conditioning chamber's communication failures of indoor unit and outdoor unit, Guarantee that air conditioner can work normally at low voltage.
Embodiment three
Based on same design, the embodiment of the present application also provides the corresponding air conditioners of device in embodiment two, see embodiment Three.
Fig. 3 is the block diagram of the air conditioner of the embodiment of the present application three.
As shown in figure 3, the air conditioner 300 of the embodiment of the present application can include: the communication control unit of above-mentioned air conditioner 200。
Technical solution in above-mentioned the embodiment of the present application, has at least the following technical effects or advantages:
The communication mode that the application can control indoor and outdoor machine according to current power voltage is passing through current ring communication module Carry out communication with by spare communication module communicated between switch, it is logical to compensate for electric current loop caused by reducing because of network voltage Believe the deficiency that supply voltage reduces, effectively prevent power grid in the case where low-voltage the problem of air conditioning chamber's communication failures of indoor unit and outdoor unit, Guarantee that air conditioner can work normally at low voltage.
Example IV
The application also proposed a kind of computer readable storage medium, be stored thereon with computer program, which is located Reason device realizes the communication control method of above-mentioned air conditioner when executing.
Technical solution in above-mentioned the embodiment of the present application, has at least the following technical effects or advantages:
The communication mode that the application can control indoor and outdoor machine according to current power voltage is passing through current ring communication module Carry out communication with by spare communication module communicated between switch, it is logical to compensate for electric current loop caused by reducing because of network voltage Believe the deficiency that supply voltage reduces, effectively prevent power grid in the case where low-voltage the problem of air conditioning chamber's communication failures of indoor unit and outdoor unit, Guarantee that air conditioner can work normally at low voltage.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more, The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.
It should be noted that in the claims, any reference symbol between parentheses should not be configured to power The limitation that benefit requires.Word "comprising" does not exclude the presence of component or step not listed in the claims.Before component Word "a" or "an" does not exclude the presence of multiple such components.The application can be by means of including several different components It hardware and is realized by means of properly programmed computer.In the unit claims listing several devices, these are filled Several in setting, which can be, to be embodied by the same item of hardware.The use of word first, second, and third is not Indicate any sequence.These words can be construed to title.
Although the preferred embodiment of the application has been described, it is created once a person skilled in the art knows basic Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as It selects embodiment and falls into all change and modification of the application range.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies Within, then the application is also intended to include these modifications and variations.

Claims (12)

1. a kind of communication control method of air conditioner, which comprises the following steps:
Detect current power voltage;
According to the current power voltage control indoor and outdoor machine communication mode by current ring communication module carry out communication and By spare communication module communicated between switch.
2. the communication control method of air conditioner according to claim 1, which is characterized in that described according to the current power The communication mode of voltage control indoor and outdoor machine is carried out with by spare communication module communicate by current ring communication module Switch between communication and includes:
Pass through if the current power voltage greater than predetermined voltage threshold, controls the indoor and outdoor machine communication mode and is switched to The current ring communication module is communicated.
3. the communication control method of air conditioner according to claim 1, which is characterized in that described according to the current power The communication mode of voltage control indoor and outdoor machine is carried out with by spare communication module communicate by current ring communication module Switch between communication and includes:
If the current power voltage is less than or equal to predetermined voltage threshold, the indoor and outdoor machine communication mode switching is controlled To be communicated by the spare communication module.
4. the communication control method of air conditioner according to claim 1 or 3, which is characterized in that the spare communication module For 485 communication modules or WiFi communication module or bluetooth communication or zigbee module.
5. the communication control method of air conditioner according to any one of claim 1-3, which is characterized in that the power supply electricity Pressure is the voltage of the input ac power of the air conditioner, alternatively, the supply voltage is the logical of the current ring communication module Believe the output voltage of power module.
6. a kind of communication control unit of air conditioner characterized by comprising
Detection module, for detecting current power voltage;
Switching module, for by spare communication module communicate cutting to carrying out communication by current ring communication module It changes;
Control module, for being controlled according to the current power voltage the switching module, so that indoor and outdoor machine is logical Letter mode carried out by current ring communication module communication communicated with by spare communication module between switch.
7. the communication control unit of air conditioner according to claim 6, which is characterized in that the control module is used for, When the current power voltage is greater than predetermined voltage threshold, controls the indoor and outdoor machine communication mode and be switched to through the electric current Ring communication module is communicated.
8. the communication control unit of air conditioner according to claim 6, which is characterized in that the control module is used for, When the current power voltage is less than or equal to predetermined voltage threshold, controls the indoor and outdoor machine communication mode and be switched to and pass through institute Spare communication module is stated to be communicated.
9. the communication control unit of the air conditioner according to claim 6 or 8, which is characterized in that the spare communication module For 485 communication modules or WiFi communication module or bluetooth communication or zigbee module.
10. the communication control unit of air conditioner a method according to any one of claims 6-8, which is characterized in that the power supply Voltage is the voltage of the input ac power of the air conditioner, alternatively, the supply voltage is the current ring communication module The output voltage of power supply module for communication.
11. a kind of air conditioner characterized by comprising such as the communication control of the described in any item air conditioners of claim 6-10 Device.
12. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor The communication control method of air conditioner according to any one of claims 1 to 5 is realized when execution.
CN201910390470.6A 2019-05-10 2019-05-10 Air conditioner and communication control method and device thereof Active CN110173805B (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN110762742A (en) * 2019-10-18 2020-02-07 Tcl空调器(中山)有限公司 Air conditioner control method and device, air conditioner and storage medium

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