CN117537454A - Communication mode determining method of air conditioner, controller, air conditioner and storage medium - Google Patents
Communication mode determining method of air conditioner, controller, air conditioner and storage medium Download PDFInfo
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- CN117537454A CN117537454A CN202210920709.8A CN202210920709A CN117537454A CN 117537454 A CN117537454 A CN 117537454A CN 202210920709 A CN202210920709 A CN 202210920709A CN 117537454 A CN117537454 A CN 117537454A
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- 238000004891 communication Methods 0.000 title claims abstract description 291
- 238000000034 method Methods 0.000 title claims abstract description 83
- 238000012545 processing Methods 0.000 claims description 12
- 238000004590 computer program Methods 0.000 claims description 7
- 230000008054 signal transmission Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 21
- 238000010438 heat treatment Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 description 8
- 238000005057 refrigeration Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000003507 refrigerant Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a communication mode determining method of an air conditioner, a controller, the air conditioner and a storage medium, wherein the communication mode determining method of the air conditioner comprises the steps of receiving an electronic signal, determining a signal type according to the electronic signal, determining a target communication mode according to the signal type, wherein the target communication mode comprises a first communication mode or a second communication mode, determining a communication control mode of a current air conditioner outdoor unit according to the received electronic signal, automatically selecting a specific communication mode by the air conditioner outdoor unit, and further sending signals such as starting, refrigerating, heating and the like to the outer unit through the inner unit to control the operation of the outer unit, thereby improving the convenience of air conditioner installation, avoiding the problem that the air conditioner outdoor unit cannot normally operate due to the fact that the specific communication mode is not selected by dialing codes when the air conditioner outdoor unit is installed, and improving the installation reliability of the air conditioner outdoor unit and the use experience of users.
Description
Technical Field
The present invention relates to the field of air conditioner communication control, and in particular, to a method for determining a communication mode of an air conditioner, a controller, an air conditioner, and a storage medium.
Background
There are a variety of communication control modes at the outdoor unit of an air handling unit, including but not limited to: under the condition that the air conditioner external unit and the air conditioner internal unit are produced by the same manufacturer, the communication protocol and the indoor unit can be used for communication, and the operation of the air conditioner external unit is controlled according to the communication signal; or under the condition that the air conditioner external unit and the air conditioner internal unit cannot communicate through a communication protocol, controlling the air processing unit external unit to operate according to the level of the level signal;
however, in the prior art, when the outdoor unit of the air conditioner is installed, a specific communication mode needs to be manually selected through a dial switch, so that the operation is troublesome, the convenience of air conditioner installation is affected, and meanwhile, the problem that the outdoor unit of the air conditioner cannot normally operate due to the fact that the specific communication mode is not selected through dial codes when the outdoor unit of the air conditioner is installed exists, and the user experience is affected.
Disclosure of Invention
The following is a summary of the subject matter described in detail herein.
The embodiment of the application provides a communication mode determining method of an air conditioner, a controller, the air conditioner and a storage medium, which at least can ensure that an air conditioner outdoor unit in the scheme of the application automatically determines the communication mode of the air conditioner outdoor unit according to a control signal through identifying the control signal without performing a dial operation, and improves the convenience of air conditioner installation.
An embodiment of a first aspect of the present invention provides a method for determining a communication mode of an air conditioner, which is applied to an outdoor unit of the air conditioner, where the outdoor unit is configured to perform electronic signal transmission through a first communication mode or perform electronic signal transmission through a second communication mode, and the method includes:
receiving an electronic signal;
determining a signal type according to the electronic signal;
and determining a target communication mode according to the signal type, wherein the target communication mode comprises the first communication mode or the second communication mode.
The communication mode determining method of the air conditioner according to the embodiment of the first aspect of the invention has at least the following beneficial effects: the control signal is identified and processed by receiving the electronic signal, the signal type is determined according to the electronic signal, the target communication mode is determined according to the signal type, the target communication mode comprises a first communication mode or a second communication mode and operates according to the communication mode, wherein the communication control mode of the current air conditioner outdoor unit is determined according to the received electronic signal, a dial switch is replaced, the specific communication mode is automatically selected by the air conditioner outdoor unit, and then the signals of starting, refrigerating, heating and the like are sent to the outer unit through the inner unit to control the operation of the outer unit, so that the convenience of air conditioner installation is improved, the problem that the air conditioner outdoor unit cannot normally operate due to the fact that the specific communication mode is not selected by dialing codes when the air conditioner outdoor unit is installed is avoided, and the installation reliability of the air conditioner outdoor unit and the use experience of a user are improved.
In some embodiments, the determining the signal type from the electronic signal comprises:
performing identification processing on the electronic signals to obtain a first identification result;
and determining that the signal type is the communication data type under the condition that the first identification result is the indoor unit communication data sent by the indoor unit of the air conditioner.
In some embodiments, the determining the target communication mode according to the signal type includes:
and determining the target communication mode as a first communication mode when the signal type is the communication data type.
In some embodiments, the first communication mode is 485 communication mode.
In some embodiments, the determining the signal type from the electronic signal:
carrying out recognition processing on the electronic signals to obtain a second recognition result;
and determining that the signal type is the high-low level control signal type in the case that the second identification result is the high-low level signal.
In some embodiments, the determining the target communication mode according to the signal type includes:
and under the condition that the signal type is the high-low level control signal type, determining the target communication mode as a second communication mode.
In some embodiments, the second communication mode is a high-low level communication mode.
In some embodiments, the outdoor unit is provided with a display device, and after determining the target communication mode according to the signal type, the method further includes:
and displaying whether the outdoor unit of the air conditioner is in the first communication mode or the second communication mode through the display equipment.
In some embodiments, before the displaying, by the display device, that the outdoor unit of the air conditioner is in the first communication mode or the second communication mode, the method further includes:
and under the condition that the outdoor unit is electrified, the display equipment displays that the outdoor unit of the air conditioner is in the second communication mode.
An embodiment of the second aspect of the present invention provides a controller, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor, where the processor executes the computer program to implement a method for determining a communication mode of an air conditioner according to any one of the embodiments of the first aspect.
An embodiment of a third aspect of the present invention provides an air conditioner comprising a controller according to the second aspect of the present invention.
An embodiment of a fourth aspect of the present invention provides a computer-readable storage medium storing computer-executable instructions for performing the communication mode determining method of an air conditioner according to any one of the embodiments of the first aspect.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
Fig. 1 is a flowchart of a method for determining a communication mode of an air conditioner according to an embodiment of the present invention;
fig. 2 is a flowchart of a communication mode determination method for an air conditioner according to a first recognition result in the communication mode determination method for an air conditioner according to an embodiment of the present invention;
fig. 3 is a flowchart of determining a target communication mode according to the signal type in the communication mode determining method of an air conditioner according to the embodiment of the present invention;
fig. 4 is a flowchart of determining a signal type according to the electronic signal in the method for determining a communication mode of an air conditioner according to the embodiment of the present invention;
fig. 5 is a schematic structural view of an air conditioner according to an embodiment of the present invention;
fig. 6 is a diagram illustrating an example of a communication method of an air conditioner according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a controller according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. Furthermore, the described features, operations, or characteristics of the description may be combined in any suitable manner in various embodiments. Also, various steps or acts in the method descriptions may be interchanged or modified in a manner apparent to those of ordinary skill in the art. Thus, the various orders in the description and drawings are for clarity of description of only certain embodiments, and are not meant to be required orders unless otherwise indicated.
In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "coupled" and "connected," as used herein, are intended to encompass both direct and indirect coupling (coupling), unless otherwise indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
In the related art, an air conditioner needs to adjust a communication mode of an air conditioner outdoor unit and an air conditioner indoor unit through a dial switch main, so as to control the air conditioner outdoor unit to receive operation data from the air conditioner outdoor unit according to the communication mode, and to operate according to the operation data, perform operations of detecting and displaying data and faults in corresponding states, changing a working mode and the like.
In the related art, in the control process of the outdoor unit of the air handling unit, two communication control modes exist, namely, the mode one can communicate with the indoor unit through a communication protocol under the condition that the indoor unit and the outdoor unit of the air conditioner are produced by the same manufacturer, the operation of the outdoor unit of the air handling unit is controlled according to a communication signal, and the mode two can control the operation of the outdoor unit of the air handling unit according to the level of a level signal under the condition that the communication cannot be carried out through the communication protocol, however, in the prior art, when the outdoor unit of the air conditioner is installed, a specific communication mode is required to be manually selected through a dial switch, the operation is troublesome, the convenience of the installation of the air conditioner is affected, meanwhile, the problem that the outdoor unit of the air conditioner cannot normally operate due to the fact that the dial switch is not carried out when the outdoor unit of the air conditioner is installed is solved, and the user experience is affected.
Based on the above situation, the embodiment of the invention provides a communication mode determining method of an air conditioner, a controller, an air conditioner and a storage medium, and according to the technical scheme of the embodiment of the invention, at least the air conditioner outdoor unit can ensure that the control signal is identified and processed by receiving the control signal, the control signal is determined to be a communication protocol signal or a high-low level signal, the communication mode is determined to be a communication protocol communication mode or a high-low level communication mode according to the control signal, and the air conditioner is operated according to the communication mode, wherein the communication control mode of the current air conditioner outdoor unit is determined according to the received control signal, the air conditioner outdoor unit is used for automatically selecting a specific communication mode instead of a dial switch, and then signals such as start-up, refrigeration, heating and the like are sent to the external unit by the internal unit to control the operation of the external unit, so that the convenience of air conditioner installation is improved, the problem that the air conditioner outdoor unit cannot normally operate due to the fact that the dial selection of the specific communication mode is not carried out when the air conditioner outdoor unit is installed is avoided, and the installation reliability of the air conditioner outdoor unit and the use experience of users is improved.
Embodiments of the present invention will be further described below with reference to the accompanying drawings.
As shown in fig. 1, fig. 1 is a flowchart of a communication mode determining method of an air conditioner according to an embodiment of the present invention, where the communication mode determining method of an air conditioner according to an embodiment of the present invention includes, but is not limited to, step S110, step S120, and step S130.
Step S110, receiving an electronic signal;
in some embodiments, the electronic signal is a control signal for controlling a communication mode of the air conditioner outdoor unit, the control signal is sent to the air conditioner outdoor unit by the air conditioner indoor unit, or the control signal is sent to the air conditioner outdoor unit by the temperature controller, the air conditioner outdoor unit can receive the control signals sent by different devices through corresponding interfaces, and in a subsequent step, the communication mode is determined according to the control signals, wherein the temperature controller refers to a series of automatic control elements which generate physical deformation inside the switch according to temperature change of a working environment, thereby generating certain special effects and generating on or off actions.
In some embodiments, in the prior art, when the outdoor unit equipment of the air conditioner is damaged by a user or the outdoor unit equipment of the air conditioner needs to be exchanged for other reasons, in the installation process of the outdoor unit of the air conditioner, a constructor is required to switch the communication mode of the outdoor unit of the air conditioner through a dial switch on the outdoor unit of the air conditioner, so that the outdoor unit of the air conditioner and the indoor unit of the air conditioner can communicate in the same communication mode, and the normal operation of the outdoor unit of the air conditioner is ensured.
Step S120, determining the signal type according to the electronic signal;
in some embodiments, the electronic signal is determined to be a communication protocol signal by performing identification processing on the electronic signal, where the communication protocol signal is a digital signal generated according to a specific communication protocol, and the communication protocol includes, but is not limited to, 485 communication protocols and UART serial communication protocols, and the microprocessor MCU in the outdoor unit of the air conditioner can parse the communication protocol signal according to the specific protocol built in, and if parsing is successful, that is, the communication protocol signal accords with a specific protocol format, it is determined that the control signal is the communication protocol signal, and in a subsequent process, operating parameters such as an ambient temperature, a working mode, and the like can be bidirectionally transmitted between the outdoor unit of the air conditioner and the indoor unit of the air conditioner according to the communication protocol.
In some embodiments, the type of the signal is determined according to the electronic signal, that is, the control signal is identified, the control signal is determined to be a high-low level signal, specifically, the outdoor unit of the air conditioner includes a plurality of power line interfaces, the high-low level signal includes level values of the power line interfaces, when the level values of the power line interfaces conform to a level range preset by an MCU in the outdoor unit of the air conditioner, the received control signal is determined to be the high-low level signal, in a subsequent process, a working mode of the outdoor unit of the air conditioner is determined according to specific level signals in the high-low level signal, specifically, the level signal includes Y1, Y2, W, and the like, when Y1 is a high level, the cooling low-energy requirement mode is turned on, when Y2 is a high level, the cooling high-energy requirement mode is turned on, when W is a high level, and a person skilled in the related art can set a working mode represented by each level value in the high-low level signal according to a specific model and a working scene of the air conditioner.
Step S130, determining a target communication mode according to the signal type, wherein the target communication mode comprises a first communication mode or a second communication mode.
In some embodiments, the control signal is identified, the signal type of the control signal is determined, and meanwhile, the target communication mode is determined to be the first communication mode or the second communication mode according to the signal type, wherein the specific first communication mode is the communication protocol communication mode, the specific second communication mode is the communication protocol communication mode or the high-low level communication mode, the communication mode is determined to be the communication protocol communication mode or the high-low level communication mode according to the control signal, and the communication control mode of the current air conditioner outdoor unit is determined according to the communication mode and operates according to the received control signal, so that the specific communication mode is automatically selected instead of a dial switch by the air conditioner outdoor unit, and then signals such as startup, refrigeration, heating and the like are sent to the outer unit through the inner unit to control the outer unit to operate, the convenience of air conditioner installation is improved, the problem that the air conditioner outdoor unit cannot normally operate due to the fact that the dial code selection is not carried out when the air conditioner outdoor unit is installed is avoided, and the installation reliability of the air conditioner outdoor unit and the use experience of users are improved.
In some embodiments, the specific type of the air conditioner is an air handling unit AHU (Air handling unit), one air handling unit external unit corresponds to one air handling unit internal unit, and two schemes for controlling the operation of the air conditioning external unit exist for the air handling unit external unit, namely, the external unit and the internal unit are produced by the same manufacturer and can communicate normally through 485 or a current loop, and signals of starting, refrigerating, heating and the like are sent to the external unit through the internal unit to control the operation of the external unit; in the prior art, the external air treatment unit is provided with a dial switch, the dial switch is used for controlling the communication mode of the external air treatment unit to be 485 or a current loop and other normal communication modes or to be a high-low level communication mode, and the external air treatment unit can only operate in one communication mode at the same time, so that the external air treatment unit can only receive communication signals corresponding to the dial switch, and the situation that the external air treatment unit cannot operate due to mismatching of the communication mode and the communication signals when the external air treatment unit forgets to switch the dial switch is caused.
In some embodiments, when the external unit of the air handling unit of the user is damaged, if the external unit of the air handling unit of the user is ready to be replaced by the external unit of the air handling unit produced by the same manufacturer as the internal unit of the air handling unit, the communication mode of the newly replaced external unit of the air handling unit is set to be 485 communication mode, and at the moment, the communication mode determining method of the air conditioner in the application can complete the installation of the external unit of the air handling unit without setting a dial, so that the convenience of the air conditioner installation is improved; when the external unit of the air treatment unit of the user is damaged, if the external unit of the air treatment unit produced by a manufacturer different from the internal unit of the air treatment unit is prepared for replacement by the user, under normal conditions, the communication mode of the external unit of the air treatment unit which is replaced by the user is set to be a high-low level communication mode because the configuration of the external unit of the air treatment unit which is replaced by the user is different from that of the internal unit of the air treatment unit, and at the moment, the communication mode of the external unit of the air treatment unit can be automatically set to be a high-low level communication mode without dial setting, so that the installation of the external unit of the air treatment unit is completed, and the convenience of air conditioner installation is improved.
As shown in fig. 2, fig. 2 is a flowchart of determining a communication mode according to a first recognition result in the communication mode determining method of an air conditioner according to the embodiment of the present invention, where the communication mode determining method of an air conditioner according to the embodiment of the present invention includes, but is not limited to, step S210 and step S220.
Step S210, carrying out recognition processing on the electronic signals to obtain a first recognition result;
in step S220, in the case that the first identification result is the indoor unit communication data sent by the indoor unit of the air conditioner, the signal type is determined to be the communication data type.
In some embodiments, the electronic signal is identified to obtain a first identification result, and when the first identification result is the indoor unit communication data sent by the indoor unit of the air conditioner, the signal type is determined to be the communication data type, wherein the first identification result is that the signal type of the electronic signal is 485 communication signal, and when the control signal is 485 communication signal, the communication mode is 485 communication mode, namely a remote weighing data acquisition method of a communication interface, the RS-485 serial bus standard is adopted to perform balanced transmission and differential reception to realize communication, and the method has the capacity of inhibiting common mode interference and is a main communication mode of an external unit of the air processing unit.
In some embodiments, when the control signal is a high-low level signal, the communication mode is determined to be a high-low level communication mode, that is, the high-low level communication mode is to monitor level values on a plurality of power line interfaces of the air handling unit external unit, determine a specific working mode of the air handling unit external unit according to the specific level values, and the high-low level communication is another main communication mode of the air handling unit external unit other than 485 communication.
In some embodiments, when the outdoor unit of the air conditioner receives the control signal and determines that the control signal is a 485 communication signal or a high-low level signal, the control signal needs to be identified, whether the control signal is valid is determined, and when the control signal is valid, the communication mode is determined to be a communication protocol communication mode or a high-low level communication mode according to the fact that the control signal is the 485 communication signal or the high-low level signal.
In some embodiments, compared with the high-low level communication, the 485 communication mode can also transmit the ambient temperature of the indoor unit of the air conditioner or other operation parameters set in advance, so that whether the 485 communication mode is feasible or not is judged preferentially, specifically, in an initial state, the outdoor unit of the air processing unit keeps receiving the high-low level signal and the communication data of the indoor unit at the same time, whether the communication data of the indoor unit is received is judged first, if the communication data of the indoor unit is received, the 485 communication control state is judged, if the communication data of the indoor unit is received, whether the high-low level signal is received, and if the high-low level signal is received, the high-low level control state is judged.
As shown in fig. 3, fig. 3 is a flowchart illustrating a control signal being 485 communication signal by identifying the control signal in the communication mode determining method of the air conditioner according to the embodiment of the present invention, where the communication mode determining method of the air conditioner according to the embodiment of the present invention includes, but is not limited to, step S310.
In step S310, in the case that the signal type is the communication data type, it is determined that the target communication mode is the first communication mode.
In some embodiments, the first communication mode is a 485 communication mode, a control signal is received through a hardware communication interface, and the control signal is determined to be a 485 communication signal when the control signal accords with a 485 communication protocol, wherein the control signal is analyzed through the 485 communication protocol, and the control signal is determined to be the 485 communication signal when the control signal corresponds to a digital signal format corresponding to the 485 communication protocol when the control signal corresponds to the digital signal format corresponding to the 485 communication protocol, so that the air conditioner outdoor unit communicates with the air conditioner indoor unit according to the 485 communication protocol, and then signals such as startup, refrigeration, heating and the like are sent to the external unit through the internal unit to control the operation of the external unit
As shown in fig. 4, fig. 4 is a flowchart illustrating a process of identifying a control signal and determining that the control signal is a high-low level signal in the communication mode determining method of the air conditioner according to the embodiment of the present invention, where the communication mode determining method of the air conditioner includes, but is not limited to, step S410 and step S420.
Step S410, carrying out recognition processing on the electronic signals to obtain a second recognition result;
in step S420, in the case that the second identification result is the high-low level signal, the signal type is determined to be the high-low level control signal type.
In some embodiments, the second recognition result is that the signal type of the electronic signal is a high-low level control signal, the level values of the plurality of power line interfaces are obtained, the level values of the plurality of power line interfaces are determined to be high-low level signals under the condition that the level values of the plurality of power line interfaces are equal to a preset level value, specifically, the number of the power line interfaces is 4, the preset level value is 24V, the sequence formed by the level values of the 4 power line interfaces is determined to be high-low level signals under the condition that the level values of the 4 power line interfaces are equal to 24V, so that the air conditioner outdoor unit controls the working mode according to the high-low level signals, and then the external unit is controlled to operate by sending signals such as startup, refrigeration, heating and the like to the external unit through the internal unit.
In some embodiments, after determining that the communication mode is 485 communication mode, the method further includes: analyzing 485 communication signals according to a 485 communication protocol to obtain operation environment data and working mode data of the air conditioner indoor unit, wherein the air conditioner outdoor unit and the air conditioner indoor unit transmit data through the 485 communication protocol, so that the air conditioner outdoor unit can analyze the 485 communication signals according to the 485 communication protocol to obtain the operation environment data and the working mode data of the air conditioner indoor unit, further, the operation environment data comprise parameters such as superheat degree, environment temperature, condenser tube temperature, evaporator temperature, exhaust pressure and the like of the air conditioner indoor unit, and the working mode data comprise refrigeration, heating, low energy consumption and high energy consumption working modes of the air conditioner indoor unit.
In some embodiments, after determining that the communication mode is a high-low level communication mode, the method further includes obtaining working mode data of the indoor unit of the air conditioner according to level values of the plurality of power line interfaces, where in a case that 485 communication cannot be performed, working mode data of the indoor unit of the air conditioner can also be obtained according to the level values of the plurality of power line interfaces, so that normal operation of the outdoor unit of the air conditioner is ensured.
In some embodiments, after determining that the communication mode of the outdoor unit of the air conditioner is 485 communication mode or high-low level communication mode according to the control signal, the outdoor unit of the air conditioner further includes: the display device is used for displaying that the outdoor unit of the air conditioner is in a 485 communication mode or a high-low level communication mode, and when a worker installs the outdoor unit of the air conditioner, the current communication mode of the outdoor unit of the air conditioner can be effectively acquired according to the display device, and then corresponding line connection is carried out according to the current communication mode, so that the convenience of air conditioner installation is improved, and the installation difficulty can be effectively reduced.
In some embodiments, before receiving the control signal, further comprising: the display device displays that the outdoor unit of the air conditioner is in the high-low level communication mode, and it is conceivable that whether the 485 communication mode is communicated or not can not be intuitively judged in the installation process, so before a control signal is received, the display device displays that the outdoor unit of the air conditioner is in the high-low level communication mode, if the 485 communication mode is successfully configured, the display device displays that the outdoor unit of the air conditioner is in the 485 communication mode after the 485 communication wiring of constructors is finished, if the 485 communication mode is failed to be configured, the display device still displays that the outdoor unit of the air conditioner is in the high-low level communication mode after the 485 communication wiring of constructors is finished, and therefore whether the 485 communication mode is successfully configured can be intuitively judged; for a simpler high-low voltage control mode, whether the high-low voltage communication mode is configured successfully can be judged by checking the level value of the power line interface or checking a relay connected with the power line interface.
As shown in fig. 5, fig. 5 is a schematic structural diagram of an air conditioner according to an embodiment of the present invention.
In some embodiments, the external unit MCU controller represents an air conditioner outdoor unit, the temperature controller represents an air conditioner indoor unit, referring to the connection relationship in fig. 5, the air conditioner indoor unit may send 485 communication signals to the air conditioner outdoor unit through the internal unit MCU controller and 485 communication module, so as to establish a communication channel with the air conditioner outdoor unit based on 485 communication protocol, or the air conditioner indoor unit may send information such as working mode and operation parameters of the indoor unit to the air conditioner outdoor unit through the high-low level control communication module, so that the air conditioner outdoor unit may operate according to the information such as working mode and operation parameters of the indoor unit, meanwhile, the air conditioner outdoor unit is connected with an LED nixie tube, the communication control state of the air conditioner outdoor unit itself is sent to the LED nixie tube, the LED nixie tube may display the communication control state, so as to display the current air conditioner outdoor unit communication control state for an air conditioner installer or a maintainer, so that the air conditioner installer or maintainer may adjust a specific air conditioner wiring line according to the current air conditioner outdoor unit communication control state, thereby effectively reducing difficulty in installation and maintenance, and specific difficulty when the LED nixie tube displays the current air conditioner outdoor unit communication control state
As shown in fig. 6, fig. 6 is an example diagram of a communication mode determining method of an air conditioner according to an embodiment of the present invention, where the communication mode determining method of an air conditioner according to an embodiment of the present invention includes, but is not limited to, step S601 and step S608.
Step S601, powering on an external machine;
step S602, the external machine does not judge the mode, the nixie tube is displayed in a high-low level control state, and meanwhile, high-low level signals and internal machine communication data are kept to be received;
step S603, if the internal communication data is received, the process jumps to step S604, if the internal communication data is not received, the process jumps to step S605;
step S604, the external machine mode is judged to be 485 communication control state, the external machine nixie tube is displayed to be 485 communication control state, and the internal machine communication data is received;
step S605, if a high-low level signal is received, the process jumps to step S606, if a high-low level signal is not received, the process jumps to step S602;
step S606, the external machine mode is judged to be in a high-low level control state, and the external machine nixie tube is displayed to be in a high-low level control state;
step S607, the external machine operates according to the determined control state, and detects and displays the data and faults in the corresponding state;
step S608 ends.
In some embodiments, after the outdoor unit of the air conditioner is powered on, the outdoor unit of the air conditioner does not determine a mode, the nixie tube displays a high-low level control state, meanwhile, the high-low level signal and the internal unit communication data are received, and whether the internal unit communication data are received is determined, if the internal unit communication data are received, the outdoor unit mode is determined to be 485 communication control state, if the internal unit communication data are not received, whether the high-low level signal is received is continuously determined, if the high-low level signal is received, the outdoor unit mode is determined to be high-low level control state, the digital tube of the outdoor unit displays a high-low level control state, the outdoor unit operates according to the determined control state, and detects and displays data and faults in the corresponding state, if the high-low level signal is not received, the simultaneous reception of the high-low level signal and the internal unit communication data is continuously performed, and the determining step is performed on the received signal, wherein the air conditioner is an air processing unit, two schemes for controlling the operation of the outdoor unit of the air conditioner, namely, normal communication modes such as a high-low level signal and an electric current loop, and the like, and the high-low level signal are continuously determined, if the high-low level signal is not received, and the normal communication modes are respectively, and the high-low level signal are not received, and the normal operation modes are respectively, and the operation modes are required by the operation modes, and the operation modes can be forgotten by the user, and the user to install the control modes when the method and the user has to install the method.
In some embodiments, through the steps S601 to S608, after the external unit is powered on, the communication control mode of the current air conditioner outdoor unit is determined according to the received control signal, instead of the dial switch, the specific communication mode is automatically selected by the air conditioner outdoor unit, and then the external unit is controlled to operate by sending signals such as startup, refrigeration, heating and the like to the external unit through the internal unit, so that the convenience of air conditioner installation is improved, the problem that the air conditioner outdoor unit cannot operate normally due to the fact that the dial selection specific communication mode is not performed when the air conditioner outdoor unit is installed is avoided, and the installation reliability of the air conditioner outdoor unit and the use experience of users are improved.
As shown in fig. 7, fig. 7 is a schematic structural diagram of a controller according to an embodiment of the present invention.
Some embodiments of the present invention provide a controller including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor executes the computer program to implement the communication mode determining method of the air conditioner according to any one of the above embodiments, for example, to perform the method steps S110 to S130 in fig. 1, the method steps S210 to S220 in fig. 2, the method step S310 in fig. 3, the method steps S410 to S420 in fig. 4, and the method steps S601 to S608 in fig. 6 described above.
The controller 700 of the present embodiment includes one or more processors 701 and a memory 702, and one processor 701 and one memory 702 are illustrated in fig. 7.
The processor 701 and the memory 702 may be connected by a bus or otherwise, for example in fig. 7.
The memory 702, as a non-transitory computer readable storage medium, may be used to store non-transitory software programs as well as non-transitory computer executable programs. In addition, the memory 702 may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory 702 optionally includes memory 702 remotely located from the processor 701, which may be connected to the controller 700 via a network, examples of which include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
In some embodiments, the processor executes the computer program to perform the method for determining a communication mode of the air conditioner according to any one of the above embodiments at a preset interval.
Those skilled in the art will appreciate that the device structure shown in fig. 7 is not limiting of the controller 700 and may include more or fewer components than shown, or may combine certain components, or a different arrangement of components.
In the controller 700 shown in fig. 7, the processor 701 may be configured to call a control program of an air conditioner stored in the memory 702, thereby implementing a communication mode determining method of the air conditioner.
Based on the hardware structure of the controller 700 described above, various embodiments of the air conditioner of the present invention are presented.
Specifically, the air conditioner according to the embodiment of the present invention includes, but is not limited to, an indoor unit, an outdoor unit, and a controller, wherein the indoor unit is provided with an indoor heat exchange module and an indoor fan, the outdoor unit is provided with a compressor, a vapor-liquid separator, a refrigerant pipe switching module, an outdoor heat exchanger, a temperature sensor for detecting the outdoor heat exchanger, the outdoor fan, and a throttle valve, and the controller may include a processor 701 and a memory 702 as shown in fig. 7.
In some embodiments, the indoor heat exchanger may be an evaporator, or may be another device having heat exchange capability, which is not particularly limited in this embodiment. It can be understood that the indoor heat exchanger is used as a condensing end in a heating mode to play a role in heat dissipation of the refrigerant.
The outdoor heat exchanger may be an evaporator, or may be other devices having heat exchange capability, and is not particularly limited in this embodiment. It is understood that the outdoor heat exchanger serves as an evaporation end in a heating mode, and absorbs heat to the refrigerant.
In some embodiments, the refrigerant pipeline switching module may be a four-way valve or a five-way valve according to different setting conditions of the refrigerant pipeline, which is not limited in this embodiment.
The non-transitory software program and instructions required to implement the communication mode determining method of the air conditioner of the above embodiment are stored in the memory, and when executed by the processor, the communication mode determining method of the air conditioner of the above embodiment is performed.
In addition, the embodiment of the invention also provides an air conditioner which comprises the controller.
In some embodiments, since the air conditioner according to the embodiment of the present invention has the controller of the foregoing embodiment, and the controller of the foregoing embodiment is capable of executing the communication mode determining method of the air conditioner of the foregoing embodiment, the specific implementation and technical effect of the air conditioner according to the embodiment of the present invention may refer to the specific implementation and technical effect of the communication mode determining method of the air conditioner of any of the foregoing embodiments.
The embodiment of the present invention also provides a computer-readable storage medium storing computer-executable instructions for performing the above-described communication mode determining method of an air conditioner, for example, the one or more processors may be caused to perform the above-described communication mode determining method of an air conditioner in the method embodiment, for example, the above-described method steps S110 to S130 in fig. 1, the method steps S210 to S220 in fig. 2, the method step S310 in fig. 3, the method steps S410 to S420 in fig. 4, and the method steps S601 to S608 in fig. 6.
The above described apparatus embodiments are merely illustrative, wherein the units illustrated as separate components may or may not be physically separate, i.e. may be located in one place, or may be distributed over a plurality of network nodes. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
Those of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer readable storage media (or non-transitory media) and communication media (or transitory media). The term computer-readable storage medium includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information, such as computer-readable instructions, data structures, program modules or other data, as known to those skilled in the art. Computer-readable storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. Furthermore, as is well known to those of ordinary skill in the art, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media.
While the preferred embodiments of the present application have been described in detail, the present application is not limited to the above embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present application, and these equivalent modifications and substitutions are intended to be included in the scope of the present application as defined in the appended claims.
Claims (12)
1. The communication mode determining method of the air conditioner is applied to an outdoor unit of the air conditioner, and the outdoor unit is used for carrying out electronic signal transmission through a first communication mode or carrying out electronic signal transmission through a second communication mode, and is characterized by comprising the following steps:
receiving an electronic signal;
determining a signal type according to the electronic signal;
and determining a target communication mode according to the signal type, wherein the target communication mode comprises the first communication mode or the second communication mode.
2. The method for determining a communication mode of an air conditioner according to claim 1, wherein the determining a signal type according to the electronic signal comprises:
performing identification processing on the electronic signals to obtain a first identification result;
and determining that the signal type is the communication data type under the condition that the first identification result is the indoor unit communication data sent by the indoor unit of the air conditioner.
3. The communication mode determining method of an air conditioner according to claim 2, wherein the determining a target communication mode according to the signal type includes:
and determining the target communication mode as a first communication mode under the condition that the signal type is the communication data type.
4. The communication method of an air conditioner according to claim 3, wherein the first communication method is 485 communication method.
5. The communication method of an air conditioner according to claim 1, wherein the determining a signal type according to the electronic signal:
carrying out recognition processing on the electronic signals to obtain a second recognition result;
and determining that the signal type is a high-low level control signal type under the condition that the second identification result is a high-low level signal.
6. The method for determining a communication mode of an air conditioner according to claim 5, wherein the determining a target communication mode according to the signal type comprises:
and under the condition that the signal type is the high-low level control signal type, determining the target communication mode as a second communication mode.
7. The method for determining a communication scheme of an air conditioner according to claim 6, wherein the second communication scheme is a high-low level communication scheme.
8. The communication mode determining method of an air conditioner according to claim 1, wherein a display device is provided on the outdoor unit, and after the determination of the target communication mode according to the signal type, the method further comprises:
and displaying whether the outdoor unit is in a first communication mode or a second communication mode through the display equipment.
9. The communication method of an air conditioner according to claim 8, wherein before the displaying that the outdoor unit is in the first communication mode or the second communication mode by the display device, the method further comprises:
and under the condition that the outdoor unit is powered on, the display equipment displays that the outdoor unit is in a second communication mode.
10. A controller comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method of determining the communication mode of an air conditioner according to any one of claims 1 to 9 when executing the computer program.
11. An air conditioner comprising the controller of claim 10.
12. A computer-readable storage medium storing computer-executable instructions for performing the communication mode determining method of the air conditioner according to any one of claims 1 to 9.
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| CN202210920709.8A CN117537454A (en) | 2022-08-02 | 2022-08-02 | Communication mode determining method of air conditioner, controller, air conditioner and storage medium |
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