CN110686368B - Communication control device, internal machine, external machine, temperature controller, communication method and air conditioner - Google Patents

Communication control device, internal machine, external machine, temperature controller, communication method and air conditioner Download PDF

Info

Publication number
CN110686368B
CN110686368B CN201910917903.9A CN201910917903A CN110686368B CN 110686368 B CN110686368 B CN 110686368B CN 201910917903 A CN201910917903 A CN 201910917903A CN 110686368 B CN110686368 B CN 110686368B
Authority
CN
China
Prior art keywords
air conditioner
communication
communication control
control mode
outdoor unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201910917903.9A
Other languages
Chinese (zh)
Other versions
CN110686368A (en
Inventor
许云峰
张赛超
杨华生
温东彪
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.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201910917903.9A priority Critical patent/CN110686368B/en
Publication of CN110686368A publication Critical patent/CN110686368A/en
Application granted granted Critical
Publication of CN110686368B publication Critical patent/CN110686368B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56Remote control
    • 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
    • F24F11/38Failure diagnosis
    • 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
    • F24F11/52Indication arrangements, e.g. displays
    • 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
    • F24F11/61Control or safety arrangements characterised by user interfaces or communication using timers
    • 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

Abstract

The application provides a communication control device, interior machine, outer machine, temperature controller, communication method and air conditioner, wherein communication control device for machine, air conditioner controller or air condensing units in the air conditioner include: the first communication interface is used for carrying out communication with a communication control mode; the second communication interface is used for carrying out communication without a communication control mode; the first communication control module is used for communicating with the first equipment in a communication control mode when the first equipment is in communication connection with the first communication interface; and the second communication control module is used for communicating with the first equipment in a non-communication control mode when the first equipment is in communication connection with the second communication interface. The communication control device provided by the application is compatible with the indoor units and the indoor units with different control modes, solves the problem of incompatibility, and improves the development efficiency.

Description

Communication control device, internal machine, external machine, temperature controller, communication method and air conditioner
Technical Field
The application relates to the field of air conditioners, in particular to a communication control device, an internal unit, an external unit, a temperature controller, a communication method and an air conditioner.
Background
Two common air conditioning units exist in the market, one air conditioning unit adopts a non-communication control mode, for example, a 24V non-communication control mode air conditioning unit popular in the North America market, for the air conditioning unit adopting the non-communication control mode, an indoor temperature controller unidirectionally sends control data to an indoor unit, and the indoor temperature controller unidirectionally sends the control data to the indoor unit; the other air conditioning unit adopts a communication control mode, bidirectional communication data are sent between the indoor manual operator and the indoor unit, bidirectional communication data are also sent between the indoor manual operator and the outdoor unit, and bidirectional communication data are also sent between the indoor unit and the outdoor unit.
The air conditioning unit with two different control modes exists in the market, indoor units with different control modes cannot be compatible with each other due to different connection modes, development efficiency is greatly influenced due to the incompatibility problem, and after-sale and user experience are also influenced.
Therefore, it is an urgent problem to be solved in the art to be compatible with the non-communication control method and the communication control method.
Disclosure of Invention
The application provides a communication control device, an internal machine, an external machine, a temperature controller, a communication method and an air conditioner, which are used for solving the problems.
In order to solve the above problems, as an aspect of the present application, there is provided a communication control device for an indoor unit, a controller, or an outdoor unit of an air conditioner, including:
the first communication interface is used for carrying out communication with a communication control mode;
the second communication interface is used for carrying out communication without a communication control mode;
the first communication control module is used for communicating with the first equipment in a communication control mode when the first equipment is in communication connection with the first communication interface;
and the second communication control module is used for communicating with the first equipment in a non-communication control mode when the first equipment is in communication connection with the second communication interface.
Optionally, the first communication interface is an RS485 communication interface, a CAN communication interface, a UART communication interface or an IIC communication interface;
and/or the second communication interface is a 24V communication interface.
The application also provides an air-conditioning indoor unit, which comprises the communication control device provided by the application.
The application also provides an air conditioner controller, which comprises any one of the communication control devices provided by the application.
The present application further provides an air conditioner communication method, which is used for the indoor unit of the air conditioner provided by the present application, or, is used for the air conditioner controller provided by the present application, the first device is an air conditioner outdoor unit, and includes:
an obtaining step, namely determining a control mode of an air conditioner outdoor unit connected with the communication control device, wherein the control mode comprises a communication control mode and a non-communication control mode;
a communication step, when the control mode of the air conditioner outdoor unit is a communication control mode, calling the first communication control module to communicate with the air conditioner outdoor unit in the communication control mode through a first communication interface; and when the control mode of the air conditioner outdoor unit is a non-communication control mode, calling the second communication control module to communicate with the air conditioner outdoor unit through a second communication interface in the non-communication control mode.
Optionally, determining a control mode of the air conditioner outdoor unit connected to the communication control device includes:
after the communication control device is started and powered on, communication data with a communication control mode is continuously sent through the first communication interface, and whether reply data returned by the air conditioner outdoor unit is received or not is determined within a first time length;
if so, determining that the control mode of the air conditioner outdoor unit is a communication control mode;
and if not, determining that the control mode of the air conditioner outdoor unit is a non-communication control mode.
Optionally, the method further includes:
a self-checking step, namely judging whether the air conditioner runs abnormally or not after the communication control device is powered on for a second time; if the air conditioner is not abnormal in operation, determining that the communication with the air conditioner outdoor unit is normal; if the air conditioner is abnormal in operation, a prompt message is sent to prompt that the air conditioner is abnormal in operation.
Optionally, the method further includes:
after the time length after prompting the abnormal operation of the air conditioner reaches a third time length, if the abnormal operation of the air conditioner still exists, the detection step, the communication step and the self-checking step are repeatedly executed until the abnormal operation of the air conditioner disappears;
alternatively, the first and second electrodes may be,
after the time length after prompting the abnormal operation of the air conditioner reaches a third time length, if the abnormal operation of the air conditioner still exists, the detection step, the communication step and the self-checking step are repeatedly executed, and if the abnormal operation of the air conditioner still exists after N times of repetition, the repeated execution of the detection step, the communication step and the self-checking step is stopped;
and/or the presence of a gas in the gas,
judging whether the air conditioner runs abnormally or not, comprising the following steps: in a refrigeration mode, if the temperature of an inner pipe of the air conditioner is lower than a first threshold value and the temperature of outlet air is higher than the temperature of indoor environment, the abnormal operation of the air conditioner does not exist, otherwise, the abnormal operation of the air conditioner is determined to exist; or in the heating mode, if the temperature of the inner pipe of the air conditioner is higher than a second threshold value, determining that the air conditioner is abnormal in operation, otherwise, determining that the air conditioner is abnormal in operation; or during the operation of the air conditioner, if the change value of the indoor environment temperature is greater than the first preset value, determining that the air conditioner is not operated abnormally, otherwise, determining that the air conditioner is operated abnormally.
Optionally, the acquiring step includes: and receiving the input or selected control mode of the air conditioner outdoor unit.
Optionally, when the control mode of the outdoor unit of the air conditioner is a communication control mode, the first communication control module continuously sends communication data with the communication control mode to the outdoor unit of the air conditioner through the first communication interface, tries to receive reply data returned by the outdoor unit of the air conditioner, and prompts communication abnormality if the reply data returned by the outdoor unit of the air conditioner is not received within a fourth time period;
and/or the presence of a gas in the gas,
when the control mode of the air conditioner outdoor unit is a non-communication control mode, the second communication control module sends communication data of the non-communication control mode to the air conditioner outdoor unit through the second communication interface, after the communication control device is powered on for a fifth time, whether the air conditioner is abnormal or not is judged according to the running mode and the running state of the air conditioner, and if the air conditioner is abnormal, the air conditioner is prompted to be abnormal.
The present application further provides an air conditioner communication method, which is used for the air conditioner indoor unit provided by the present application or the air conditioner controller provided by the present application, wherein the first device is an air conditioner outdoor unit, and includes:
when the air conditioner outdoor unit is connected with the communication control device, the first communication control module is called to carry out communication with a communication control mode through the first communication interface, and the second communication control module is called to carry out communication without the communication control mode through the second communication interface.
The application also provides an air conditioner outdoor unit, which comprises the communication control device provided by any one of the applications.
The present application further provides an air conditioner communication method, which is used for the air conditioner outdoor unit provided by the present application, wherein the first device is an air conditioner indoor unit or an air conditioner controller, and the method includes:
an acquisition step, namely determining a control mode of first equipment connected with the communication control device, wherein the control mode comprises a communication control mode and a non-communication control mode;
a communication step, when the control mode of the first equipment is a communication control mode, calling the first communication control module to receive communication data sent by the first equipment through the first communication interface, calling the first communication control module after receiving the communication data, and sending the complex data back to the first equipment through the first communication interface; and when the control mode of the first equipment is a non-communication control mode, calling a second communication control module to receive communication data sent by the first equipment through the second communication interface.
Optionally, determining a control mode of the first device connected to the communication control apparatus includes:
calling a first communication control module after the communication control device is powered on, trying to receive communication data through the first communication interface, and determining whether the communication data is received within a sixth time period; if the first communication control module receives communication data through a first communication interface, determining that the control mode of the first equipment is a communication control mode; if the first communication control module does not receive the communication data through the first communication interface, calling a second communication control module to try to receive the communication data through the second communication interface; if the second communication interface receives communication data, determining that the control mode of the first equipment is a non-communication control mode;
alternatively, the first and second electrodes may be,
setting a communication control mode as a priority control mode, and after the communication control device is powered on, if the first communication control module receives communication data through the first communication interface, determining that the control mode of the first equipment is a communication control mode;
alternatively, the first and second electrodes may be,
and setting a non-communication control mode as a priority control mode, and after the communication control device is powered on, if the second communication control module receives communication data through the second communication interface, determining that the control mode of the first equipment is the non-communication control mode.
Optionally, the acquiring step includes: receiving an input or selected control mode of the first device.
Optionally, the method further includes:
when the control mode of the first equipment is a communication control mode, the first communication control module continuously tries to receive communication data through the first communication interface, and if the communication data of the first equipment are not received within a seventh time, abnormal communication is prompted;
and/or the presence of a gas in the gas,
and when the control mode of the air conditioner outdoor unit is a non-communication control mode, the second communication control module receives communication data through the second communication interface, judges whether the abnormality exists according to the operation parameters of the air conditioner outdoor unit, and prompts the abnormality if the abnormality exists.
The application also provides an air conditioner, including the air conditioner indoor set that this application provided, and/or, including the air conditioner controller that this application provided, and/or, including the air conditioner outdoor set that this application provided.
The application provides a communication control device, an inner unit, an outer unit, a temperature controller, a communication method and an air conditioner, a first communication control module with a communication control mode and a second communication control module without the communication control mode can be arranged, so that the original two incompatible connection control modes are universal, the air conditioner inner unit and the air conditioner controller which are compatible with different control modes solve the problem that different control modes are incompatible in the prior art, and the development efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of an air conditioning unit employing a non-communication control scheme according to the prior art;
FIG. 2 is a schematic diagram of an air conditioning unit employing a communication control scheme according to the prior art;
fig. 3 is a block diagram of a communication control apparatus according to an embodiment of the present disclosure;
FIG. 4 is a flowchart illustrating an air conditioner communication method according to an embodiment of the present disclosure;
fig. 5 is a flowchart illustrating another air conditioner communication method according to an embodiment of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1, for an air conditioning unit adopting a non-communication control mode in the prior art, the air conditioning unit generally includes a thermostat, an indoor air conditioning unit and an outdoor air conditioning unit, for this type of air conditioning unit, a 24V communication interface is generally adopted, for the unit adopting the non-communication control mode, the thermostat can send a unidirectional thermostat control signal to the indoor air conditioning unit or the outdoor air conditioning unit, after the indoor air conditioning unit receives the thermostat control signal, the indoor air conditioning unit control module calls the non-communication indoor air conditioning unit control module to control the indoor air conditioning unit according to the thermostat control signal, and after the outdoor air conditioning unit receives the thermostat control signal, the outdoor air conditioning unit control module calls the non-communication outdoor unit control module. For the unit adopting the non-communication control mode, the air conditioner indoor unit and the air conditioner outdoor unit only receive communication signals (control signals) of the temperature controller, but do not send back reply signals to the temperature controller.
For an air conditioning unit with a communication control mode, as shown in fig. 2, a temperature controller (for example, a manual controller), an indoor air conditioning unit, and an outdoor air conditioning unit send two-way communication signals, the temperature controller can send communication signals to the indoor air conditioning unit and the outdoor air conditioning unit and can receive the communication signals sent from the indoor air conditioning unit and the outdoor air conditioning unit, the indoor air conditioning unit can receive the communication signals sent from the temperature controller and the outdoor air conditioning unit, the indoor air conditioning unit can also send communication signals to the temperature controller and the outdoor air conditioning unit, and the outdoor air conditioning unit can receive the communication signals sent from the temperature controller and the indoor air conditioning unit and can send communication signals to the temperature controller and the indoor. For any two devices of a temperature controller, an indoor air conditioner and an outdoor air conditioner, a sender sends a communication signal to a receiver for roll calling, and the receiver sends a reply signal to the sender after receiving the roll calling communication signal, namely, bidirectional communication is carried out.
In the prior art, the air conditioning unit adopts a communication control mode or a non-communication control mode, and the air conditioning equipment adopting the communication control mode cannot be paired with the air conditioning equipment adopting the non-communication control mode and is not compatible with each other, so that developers need to respectively develop the air conditioning equipment adopting two different control modes, and the use experience of users is also influenced.
In order to solve the above problems, improve compatibility, facilitate development, and improve user experience, as shown in fig. 1, the present application provides a communication control device for an indoor unit of an air conditioner, an air conditioner controller, or an outdoor unit of an air conditioner, including:
a first communication interface 11 for performing communication with a communication control method;
a second communication interface 12 for performing communication without a communication control mode;
the first communication control module 21 is configured to communicate with the first device 11 in a communication control manner when the first device is in communication connection with the first communication interface 11;
the second communication control module 22 is configured to communicate with the first device in a non-communication control manner when the first device is in communication connection with the second communication interface 12.
When the communication control device provided by the application is used for the air conditioner outdoor unit, the first equipment can be the air conditioner indoor unit or the air conditioner controller. Specifically, taking the communication control device proposed in the present application as an example of an air conditioning indoor unit, the air conditioning outdoor unit connected to the air conditioning indoor unit may be a first device, the air conditioning outdoor unit may be a communication control type or a non-communication control type, when the air conditioning outdoor unit adopts the communication control type, the communication control device in the air conditioning indoor unit is connected to a first communication interface in the air conditioning indoor unit, at this time, the communication control device in the air conditioning indoor unit will communicate with the air conditioning outdoor unit by adopting the communication control type, when the air conditioning outdoor unit adopts the non-communication control type, the communication control device is connected to a second communication interface in the air conditioning indoor unit, the air conditioning indoor unit communicates with the air conditioning outdoor unit by using the non-communication control type, that is, when the communication control device proposed in the present application is mounted on the air conditioning indoor unit, the air conditioning indoor unit may also, also can compatible no communication control mode's air condensing units, equally, no matter air conditioner controller (for example temperature controller) adopts no communication control mode or has communication control mode, the indoor set of air conditioner that adopts the controlling means that this application provided can both carry out the adaptation with the temperature controller. Similarly, when the control device provided by the application is used for the air conditioner outdoor unit, the air conditioner outdoor unit can be compatible with a communication control mode and a non-communication control mode, and the temperature controller provided by the application can be compatible with the communication control mode and the non-communication control mode.
The control device that this application provided has the first communication control module who is used for having the communication control mode simultaneously, has the second communication control mode who is used for not having the communication control mode simultaneously, and consequently the control device that this application provided can have communication control mode and not have the communication control mode concurrently, has improved the commonality of product, and the development of being convenient for, can be fine and current air conditioner be compatible each other, therefore user experience is also higher.
In some optional embodiments, the first communication interface is an RS485 communication interface, a CAN communication interface, a UART communication interface, or an IIC communication interface; and/or the second communication interface is a 24V communication interface.
In the prior art, for an air conditioning unit adopting a non-communication control mode, a 24V communication interface is generally adopted between an indoor unit and an outdoor unit of the air conditioner, and for an air conditioning unit adopting a communication control mode, an RS485 communication interface, a CAN communication interface, a UART communication interface or an IIC communication interface is generally adopted between the indoor unit and the outdoor unit of the air conditioner. In this embodiment, by adopting the communication interface with the widest application range, the air conditioner is compatible with most of the indoor units, the outdoor units and the temperature controllers of the air conditioners in the market.
The application also provides an air-conditioning indoor unit, which comprises the communication control device provided by the application. The application also provides an air conditioner controller, which comprises the communication control device provided by any one of the applications.
The application provides an air conditioner indoor unit and an air conditioner controller, because have first communication control module and second communication control module simultaneously, can adopt and have communication control mode or no communication control mode, consequently, can be compatible simultaneously adopt the air condensing units that have communication control mode and adopt no communication control mode's air condensing units.
The present application further provides an air conditioner communication method, for use in any one of the air conditioner indoor units proposed in the present application or in any one of the air conditioner controllers proposed in the present application, where the first device is an air conditioner outdoor unit, as shown in fig. 4, the air conditioner communication method proposed in the present application includes:
the method comprises the steps of obtaining, determining control modes of an air conditioner outdoor unit connected with a communication control device, wherein the control modes comprise a communication control mode and a non-communication control mode;
a communication step, when the control mode of the air conditioner outdoor unit is a communication control mode, calling a first communication control module to communicate with the air conditioner outdoor unit in the communication control mode through a first communication interface; and when the control mode of the air conditioner outdoor unit is a non-communication control mode, calling a second communication control module to communicate with the air conditioner outdoor unit through a second communication interface by adopting the non-communication control mode.
Specifically, taking the air conditioner communication method proposed by itself as an example for the air conditioner indoor unit proposed by itself, a connecting line interface of the air conditioner outdoor unit with a communication control mode is adopted, the interface is different from the interface of the connecting line of the outdoor unit of the air conditioner adopting the non-communication control mode, the communication interface adopting the communication control mode is mostly an RS485 interface, the communication interface adopting the non-communication control mode is usually a 24V communication interface, the two interfaces are not compatible with each other (the shapes of the two interfaces are different), when any outdoor unit is connected with the indoor unit, the connection wire of the outdoor unit is connected to one of the first communication interface or the second communication interface, but the indoor unit does not determine which communication interface the outdoor unit is connected with, the control mode of the outdoor unit can be determined through a communication interface connected with the indoor unit (or an air conditioner controller). Of course, the control mode of the outdoor unit of the air conditioner, which is manually input by a user or is selected to be connected to, may be determined, and then the communication control mode is obtained by matching with the outdoor unit, so that the indoor unit of the air conditioner (or the air conditioner controller) provided by the present application can communicate with any control mode adopted by the outdoor unit of the air conditioner.
In some optional embodiments, determining a control manner of an outdoor unit of an air conditioner connected to the communication control device includes: after the communication control device is started and powered on, communication data with a communication control mode are continuously sent through the first communication interface, and whether reply data returned by the air conditioner outdoor unit is received or not is determined within a first time length; if so, determining that the control mode of the air conditioner outdoor unit is a communication control mode; and if not, determining that the control mode of the air conditioner outdoor unit is a non-communication control mode.
Specifically, in this embodiment, it is equivalent to that a communication control mode is adopted by the default air conditioner outdoor unit, that is, the default air conditioner outdoor unit is connected to the first communication interface, at this time, the air conditioner indoor unit (or the air conditioner controller) provided by the present application continuously sends communication data (for example, sends a control signal every 1 s) through the first communication control module according to the communication control mode, if the air conditioner outdoor unit is connected to the first communication interface (that is, a communication control mode is adopted), the air conditioner outdoor unit may return reply data after receiving the communication data sent by the air conditioner indoor unit (or the air conditioner controller), if the air conditioner indoor unit (or the air conditioner controller) receives the reply data, it is indicated that the air conditioner outdoor unit really adopts the communication control mode, and if the reply data is not received, it is indicated that the air conditioner outdoor unit.
In some optional embodiments, the communication method provided in the present application further includes: a self-checking step, namely judging whether the air conditioner runs abnormally or not after the communication control device is powered on for a second time; if the air conditioner is not abnormal in operation, determining that the communication with the air conditioner outdoor unit is normal; if the air conditioner is abnormal in operation, a prompt message is sent to prompt that the air conditioner is abnormal in operation.
Specifically, the determining whether the air conditioner is abnormal includes: in a refrigeration mode, if the temperature of an inner pipe of the air conditioner is lower than a first threshold value and the temperature of outlet air is higher than the temperature of indoor environment, the abnormal operation of the air conditioner does not exist, otherwise, the abnormal operation of the air conditioner is determined to exist; or in the heating mode, if the temperature of the inner pipe of the air conditioner is higher than a second threshold value, determining that the air conditioner is abnormal in operation, otherwise, determining that the air conditioner is abnormal in operation; or during the operation of the air conditioner, if the change value of the indoor environment temperature is greater than the first preset value, determining that the air conditioner is not operated abnormally, otherwise, determining that the air conditioner is operated abnormally.
In some optional embodiments, the air conditioner communication method further includes:
after the time length after prompting the abnormal operation of the air conditioner reaches the third time length, if the abnormal operation of the air conditioner still exists, the detection step, the communication step and the self-checking step are repeatedly executed until the abnormal operation of the air conditioner disappears;
or after the time length after prompting the abnormal operation of the air conditioner reaches a third time length, if the abnormal operation of the air conditioner still exists, the detection step, the communication step and the self-checking step are repeatedly executed, and if the abnormal operation of the air conditioner still exists after the operation is repeated for N times, the repeated execution of the detection step, the communication step and the self-checking step is stopped; where N may be 3, for example.
In some optional embodiments, the obtaining step comprises: and receiving the input or selected control mode of the air conditioner outdoor unit. In this embodiment, the user may input the control mode of the outdoor unit of the air conditioner by means of an input of the remote controller.
In some optional embodiments, when the control mode of the outdoor unit of the air conditioner is a communication control mode, the first communication control module continuously sends communication data with the communication control mode to the outdoor unit of the air conditioner through the first communication interface, tries to receive reply data returned by the outdoor unit of the air conditioner, and prompts communication abnormality if the reply data returned by the outdoor unit of the air conditioner is not received within a fourth time period.
Specifically, taking the air conditioning indoor unit and the air conditioning outdoor unit as an example, when both of them adopt a communication control mode, the air conditioning indoor unit continuously sends communication data (the communication signal may include a control signal) to the air conditioning outdoor unit, for example, the communication data is sent every 1 second, and the air conditioning outdoor unit needs to feed back to the air conditioning indoor unit after receiving the communication data sent by the air conditioning indoor unit.
In some optional embodiments, when the control mode of the air conditioner outdoor unit is the non-communication control mode, the second communication control module sends communication data of the non-communication control mode to the air conditioner outdoor unit through the second communication interface, and after the communication control device is powered on for a fifth time period, whether the air conditioner is abnormal is judged according to the operation mode and the operation state of the air conditioner, and if the air conditioner is abnormal, the existence of the air conditioner is prompted.
Specifically, when the non-communication control mode is adopted, the outdoor air conditioner unit does not send back a plurality of data to the indoor air conditioner unit or the air conditioner controller, and therefore, whether the communication is normal or not cannot be determined through the reply data, if the operation mode and the operation state of the outdoor air conditioner unit meet the requirement of a control signal sent by the indoor air conditioner unit (or the air conditioner controller), the communication is determined to be normal, for example, the control signal sent by the indoor air conditioner unit (sent in the form of communication data) requires a cooling mode, and the temperature of an inner pipe of the indoor air conditioner unit is obviously higher than the indoor temperature, it is determined that the air conditioner is abnormal, and if the temperature of the inner pipe of the indoor air conditioner unit is lower than the.
The present application also provides another air conditioner communication method, which is used for the indoor unit of the air conditioner or the air conditioner controller provided by the present application, and the first device is an outdoor unit of the air conditioner, and includes:
when the air conditioner outdoor unit is connected with the communication control device, the first communication control module is called to carry out communication with a communication control mode through the first communication interface, and the second communication control module is called to carry out communication without the communication control mode through the second communication interface.
Specifically, in this embodiment, after the air conditioner outdoor unit is connected to the air conditioner indoor unit (or the air conditioner controller), the air conditioner indoor unit (or the air conditioner controller) does not detect which communication interface the air conditioner outdoor unit is connected to, nor detect the control mode of the air conditioner outdoor unit, but simultaneously uses the first communication control module and the second communication control module to send out communication data, so that, as long as the air conditioner outdoor unit is connected to the air conditioner indoor unit (or the air conditioner controller), the air conditioner indoor unit (or the air conditioner controller) can normally communicate with the air conditioner outdoor unit regardless of whether the air conditioner outdoor unit uses the communication control mode or the non-communication control mode.
In order to better explain the technical content of the communication method proposed by the present application, another embodiment is proposed as follows.
The communication method in the embodiment is used for the air conditioner indoor unit or the air conditioner controller provided in the application, wherein the upper computer is used for representing the air conditioner indoor unit or the air conditioner controller, and three communication modes including an automatic mode, a communication control mode and a non-communication control mode are set for the upper computer. And executing corresponding communication according to the selected communication mode, and selecting the communication mode by a jumper cap, a dial switch, a common switch and the like arranged on the upper computer.
When the automatic mode is selected, steps 1-1 to 1-5 are performed:
step 1-1: the upper computer is identified as an 'automatic mode' after being electrified "
Step 1-2: the data is sent from the communication port first and waits for the lower computer to reply. Specifically, data is sent from a first communication interface (for example, RS485 interface), where the lower computer is an outdoor unit of an air conditioner,
step 1-3: if the upper computer continuously sends the legal reply data of the lower computer in 30s, calling the first communication control module to carry out a communication control mode.
Step 1-4: if the upper computer continuously sends the communication data for 30s and still does not receive the reply data of the lower computer, the communication control mode is switched to the non-communication control mode, and the second communication control module is called to communicate through a second communication interface (for example, a 24V communication interface).
Step 1-5: if the non-communication control mode is selected in the automatic mode, judging after the upper computer is powered on for T min (for example, 5min), and judging whether the temperature of an inner pipe of the air-conditioning indoor unit is lower than a threshold value and the temperature of an air outlet of the air-conditioning indoor unit is higher than the indoor environment temperature during refrigeration; when heating, whether the temperature of an inner pipe of the indoor unit of the air conditioner is higher than a threshold value or not; or whether the ambient temperature change deltat is greater than a preset value. If the judgment result is yes, the unit normally works, the 24V control is effective, if the judgment result is not met, the unit is abnormal, the possible reason is abnormal connection (other abnormal conditions are possible), and at the moment, the machine can be shut down manually, and manual fault removal can be carried out.
Step 1-6: and under the condition that manual access is not available all the time, repeating the steps 1-2 to 1-5 until the control on the outdoor unit is successful. In the automatic mode, once the control mode is detected to be effective, the control mode is maintained in the power-on period of the upper computer.
When the communication control mode is selected, executing steps 2-1 to 2-3:
step 2-1: after the upper computer is started and powered on, a communication control mode is identified;
step 2-2: continuously sending communication data to a lower computer by adopting a first communication control module to roll the name of the lower computer, and trying to carry out a communication control mode;
step 2-3: if the reply data of the lower computer is not received for 30s, alarming communication failure and waiting for the reply data of the lower computer;
and during the period of adopting the communication control mode, when the selected mode is not changed, only adopting the second communication control module to carry out the communication control mode.
When the non-communication control mode is selected, executing steps 3-1 to 3-3:
step 3-1: after the upper computer is powered on, recognizing that the selected 'no communication control mode' is selected;
step 3-2: using a second communication control module to control the lower computer in a mode without a communication mode;
step 3-3: after starting up for T min (for example, 5min), the following judgment is made: during refrigeration, whether the temperature of an inner pipe of an indoor unit of the air conditioner is lower than a threshold value or not and whether the temperature of an air outlet is higher than the temperature of an inner environment or not are judged; when heating, whether the temperature of an inner pipe of the indoor unit of the air conditioner is higher than a threshold value or not; or whether the ambient temperature change deltat is greater than a preset value. If the result is yes, the normal work of the air conditioning unit is indicated, the control without the communication control mode is effective, if the result is no, the abnormality of the air conditioning unit is reported, the possible reason is abnormal connection, and the air conditioning unit can be shut down manually and manually troubleshoot at the moment.
And when the selected control mode is the non-communication control mode, controlling the lower computer only by adopting the non-communication control mode, and calling the related program of the non-communication control mode to run.
The application also provides an air conditioner outdoor unit, which comprises the communication control device provided by the application.
The present application further provides an air conditioner communication method, which is used for the air conditioner outdoor unit provided by the present application, where the first device is an air conditioner indoor unit or an air conditioner controller, and the air conditioner communication method provided by the present application, as shown in fig. 5, includes:
the method comprises the steps of obtaining, namely determining a control mode of first equipment connected with a communication control device, wherein the control mode comprises a communication control mode and a non-communication control mode;
a communication step, wherein when the control mode of the first equipment is a communication control mode, a first communication control module is called to receive communication data sent by the first equipment through a first communication interface, and after the communication data are received, the first communication control module is called to send back complex data to the first equipment through the first communication interface; and when the control mode of the first equipment is a non-communication control mode, calling a second communication control module to receive communication data sent by the first equipment through a second communication interface.
Specifically, for the air conditioning outdoor unit provided by the present application, the air conditioning indoor unit (or the air conditioning controller) connected thereto may be in a communication control mode or a non-communication control mode, and the air conditioning outdoor unit correspondingly executes communication in the communication control mode or communication in the non-communication control mode according to the control mode of the air conditioning indoor unit (or the air conditioning controller) connected thereto, so that the air conditioning indoor unit and the air conditioning controller in different control modes can be compatible.
In some optional embodiments, determining a control mode of a first device connected to the communication control apparatus includes:
calling a first communication control module after the communication control device is powered on, trying to receive communication data through a first communication interface, and determining whether the communication data is received within a sixth time period; if the first communication control module receives communication data through the first communication interface, determining that the control mode of the first equipment is a communication control mode; if the first communication control module does not receive the communication data through the first communication interface, calling the second communication control module to try to receive the communication data through the second communication interface; if the second communication interface receives the communication data, determining that the control mode of the first equipment is a non-communication control mode;
or, the communication control mode is set as a priority control mode, and after the communication control device is powered on, if the first communication control module receives communication data through the first communication interface, the control mode of the first device is determined to be the communication control mode;
or, the non-communication control mode is set as a priority control mode, and after the communication control device is powered on, if the second communication control module receives communication data through the second communication interface, the control mode of the first device is determined to be the non-communication control mode.
In some optional embodiments, further comprising: the acquisition step comprises: a control mode of the first device that is input or selected is received.
In some optional embodiments, further comprising: when the control mode of the first equipment is a communication control mode, the first communication control module continuously tries to receive communication data through the first communication interface, and if the communication data of the first equipment are not received within the seventh time, communication abnormity is prompted;
in some optional embodiments, further comprising: and when the control mode of the air conditioner outdoor unit is a non-communication control mode, the second communication control module receives communication data through the second communication interface, judges whether the abnormality exists according to the operation parameters of the air conditioner outdoor unit, and prompts the abnormality if the abnormality exists.
In the present embodiment, three control modules are provided for the outdoor unit of the air conditioner, namely, an automatic mode, a communication control mode and a non-communication control mode, and the carrier can be a jumper cap, a dial switch, a common switch, etc.
And communicating according to the selected control mode.
And when the automatic mode is selected by the air conditioner outdoor unit, executing the steps 4-1 to 4-5.
Step 4-1: after the outdoor unit of the air conditioner is powered on, the outdoor unit of the air conditioner is identified as an 'automatic mode';
step 4-2: calling a first communication control module, and waiting for roll call data of an upper computer through a first communication interface, wherein the upper computer is an air conditioner indoor unit or an air conditioner controller;
step 4-3: if legal roll call data of the upper computer are received, replying the roll call of the upper computer, simultaneously carrying out a control mode with communication, and calling a relevant program of a communication unit to run;
step 4-4: if legal roll call data are still not received after monitoring for 20s, closing the first communication control module, enabling the second communication control module, adopting a non-communication control mode, receiving a communication signal which is sent by an upper computer and is in the non-communication control mode, and calling a related module in the non-communication control mode; (in the automatic mode, only 20s before the outdoor unit of the air conditioner is started can enter the communication control mode, and then the outdoor unit of the air conditioner cannot enter the communication control mode)
And 4-5: and continuously detecting whether the second communication control module communicates with the second communication interface to receive communication data, and if the communication data is detected, determining that a non-communication control mode should be adopted. When the starting signal is received, the starting control is carried out in a non-communication control mode. And simultaneously judging whether each operation parameter is abnormal or not. If the abnormal condition does not exist, the normal work of the unit is indicated, the control without the communication control mode is effective, if the abnormal condition does not exist, the abnormal condition of the unit is reported, the possible reason is abnormal connection, and the machine can be shut down manually and the fault is eliminated manually.
In the automatic mode, once it is detected that which control mode is effective, the control mode is maintained in the whole power-on period of the air conditioner outdoor unit.
When the communication control mode is selected by the air conditioner outdoor unit, executing the step 5-1 to the step 5-4;
step 5-1: after the outdoor unit of the air conditioner is powered on, the outdoor unit of the air conditioner is identified as having a communication control mode;
step 5-2: calling a first communication control module, and continuously monitoring the roll call of the upper computer;
step 5-4: if the roll call of the upper computer is not received within 30s, alarming communication fault, simultaneously continuing monitoring, and waiting for communication reply;
under the communication control mode, only the communication control mode is adopted to call the relevant program of the air conditioner outdoor unit to operate.
When the air conditioner outdoor unit selects the non-communication control mode, executing the step 6-1 to the step 5-4;
step 6-1: after the outdoor unit of the air conditioner is powered on, identifying as a 'no communication control mode';
step 6-2: calling a second communication control module to receive a communication signal sent by an upper computer;
step 6-3: the step is an optional step, and when the air conditioner outdoor unit receives a starting signal, the air conditioner outdoor unit is controlled to start in a non-communication control mode. And simultaneously judging whether the operation parameters are abnormal or not. If no abnormity exists, the normal work of the unit is indicated, the communication control mode is effective, if the abnormal situation does not exist, the abnormal situation of the unit is reported, the possible reason is abnormal connection, and the machine can be shut down manually and the fault is removed manually.
Under the mode of no communication control, only the control of no communication is accepted, and the relevant program of the control module of no communication is called to run.
The application also provides an air conditioner, which is characterized by comprising any air conditioner indoor unit, any air conditioner controller and any air conditioner outdoor unit.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (6)

1. An air conditioner communication method is used for an air conditioner indoor unit or an air conditioner controller, the air conditioner indoor unit or the air conditioner controller comprises a communication control device, and the communication control device comprises:
the first communication interface is used for carrying out communication with a communication control mode;
the second communication interface is used for carrying out communication without a communication control mode;
the first communication control module is used for communicating with the first equipment in a communication control mode when the first equipment is in communication connection with the first communication interface;
the second communication control module is used for communicating with the first equipment in a non-communication control mode when the first equipment is in communication connection with the second communication interface,
the first equipment is air condensing units, its characterized in that includes:
the method comprises the steps of obtaining, determining a control mode of an air conditioner outdoor unit connected with a communication control device, wherein the control mode comprises a communication control mode and a non-communication control mode;
a communication step, when the control mode of the air conditioner outdoor unit is a communication control mode, calling the first communication control module to communicate with the air conditioner outdoor unit in the communication control mode through a first communication interface; when the control mode of the air conditioner outdoor unit is a non-communication control mode, calling the second communication control module to communicate with the air conditioner outdoor unit through a second communication interface in the non-communication control mode;
a self-checking step, namely judging whether the air conditioner runs abnormally or not after the communication control device is powered on for a second time; if the air conditioner is not abnormal in operation, determining that the communication with the air conditioner outdoor unit is normal; if the air conditioner is abnormal in operation, sending a prompt message to prompt that the air conditioner is abnormal in operation;
judging whether the air conditioner runs abnormally or not, comprising the following steps: in a refrigeration mode, if the temperature of an inner pipe of the air conditioner is lower than a first threshold value and the temperature of outlet air is higher than the temperature of indoor environment, the abnormal operation of the air conditioner does not exist, otherwise, the abnormal operation of the air conditioner is determined to exist; or in the heating mode, if the temperature of the inner pipe of the air conditioner is higher than a second threshold value, determining that the air conditioner is abnormal in operation, otherwise, determining that the air conditioner is abnormal in operation; or during the operation of the air conditioner, if the change value of the indoor environment temperature is greater than the first preset value, determining that the air conditioner is not operated abnormally, otherwise, determining that the air conditioner is operated abnormally.
2. The communication method of claim 1, wherein determining the control mode of the outdoor unit connected to the communication control device comprises:
after the communication control device is started and powered on, continuously sending communication data with a communication control mode through the first communication interface, and determining whether reply data returned by the air conditioner outdoor unit is received within a first time length;
if so, determining that the control mode of the air conditioner outdoor unit is a communication control mode;
and if not, determining that the control mode of the air conditioner outdoor unit is a non-communication control mode.
3. The air conditioner communication method according to claim 1, further comprising:
after the time length after prompting the abnormal operation of the air conditioner reaches a third time length, if the abnormal operation of the air conditioner still exists, the obtaining step, the communication step and the self-checking step are repeatedly executed until the abnormal operation of the air conditioner disappears;
alternatively, the first and second electrodes may be,
after the time length after prompting the abnormal operation of the air conditioner reaches a third time length, if the abnormal operation of the air conditioner still exists, the obtaining step, the communication step and the self-checking step are repeatedly executed, and if the abnormal operation of the air conditioner still exists after N times of repetition, the obtaining step, the communication step and the self-checking step are stopped being repeatedly executed.
4. The communication method of air conditioner according to claim 1,
the step of obtaining comprises: and receiving the input or selected control mode of the air conditioner outdoor unit.
5. The communication method of an air conditioner according to any one of claims 1 to 4,
when the control mode of the air conditioner outdoor unit is a communication control mode, a first communication control module continuously sends communication data with the communication control mode to the air conditioner outdoor unit through a first communication interface and tries to receive reply data returned by the air conditioner outdoor unit, and if the reply data returned by the air conditioner outdoor unit is not received within a fourth time period, abnormal communication is prompted;
and/or the presence of a gas in the gas,
when the control mode of the air conditioner outdoor unit is a non-communication control mode, the second communication control module sends communication data of the non-communication control mode to the air conditioner outdoor unit through the second communication interface, after the communication control device is powered on for a fifth time, whether the air conditioner is abnormal or not is judged according to the running mode and the running state of the air conditioner, and if the air conditioner is abnormal, the air conditioner is prompted to be abnormal.
6. The air conditioner communication method as claimed in claim 1, wherein the first communication interface is an RS485 communication interface, a CAN communication interface, a UART communication interface or an IIC communication interface;
and/or the second communication interface is a 24V communication interface.
CN201910917903.9A 2019-09-26 2019-09-26 Communication control device, internal machine, external machine, temperature controller, communication method and air conditioner Active CN110686368B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910917903.9A CN110686368B (en) 2019-09-26 2019-09-26 Communication control device, internal machine, external machine, temperature controller, communication method and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910917903.9A CN110686368B (en) 2019-09-26 2019-09-26 Communication control device, internal machine, external machine, temperature controller, communication method and air conditioner

Publications (2)

Publication Number Publication Date
CN110686368A CN110686368A (en) 2020-01-14
CN110686368B true CN110686368B (en) 2021-03-23

Family

ID=69110315

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910917903.9A Active CN110686368B (en) 2019-09-26 2019-09-26 Communication control device, internal machine, external machine, temperature controller, communication method and air conditioner

Country Status (1)

Country Link
CN (1) CN110686368B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113945002B (en) * 2020-07-17 2023-07-14 海信空调有限公司 Communication conversion circuit and air conditioner
CN112161386B (en) * 2020-09-25 2022-07-19 海信(山东)空调有限公司 Indoor unit, outdoor unit, temperature controller and method for controlling communication of air conditioner
CN112460747B (en) * 2020-11-19 2021-11-23 珠海格力电器股份有限公司 Communication control method and device of split air conditioner, storage medium and lower computer
CN112460849A (en) * 2020-12-01 2021-03-09 四川虹美智能科技有限公司 Ground source heat pump control system and upper computer communication method
CN112665167A (en) * 2020-12-21 2021-04-16 珠海格力电器股份有限公司 Electrical box and air conditioning system
CN114322233B (en) * 2021-12-17 2022-11-25 珠海格力电器股份有限公司 Air conditioning unit monitoring method, device and equipment and air conditioning system
CN114963477A (en) * 2022-06-07 2022-08-30 海信空调有限公司 Outdoor unit, communication control method thereof and air conditioner

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1229205A (en) * 1998-03-16 1999-09-22 富士通株式会社 Simplex/duplex switching system
JP2001312459A (en) * 2000-05-01 2001-11-09 Sanyo Electric Co Ltd Control process group device
JP2003279111A (en) * 2002-03-22 2003-10-02 Mitsubishi Electric Corp Ventilation adjusting device and ventilation system
CN101188533A (en) * 2007-11-26 2008-05-28 海信集团有限公司 Network air-conditioner adapter
CN201954691U (en) * 2011-01-26 2011-08-31 中国建筑西北设计研究院有限公司 Series connection type refrigeration air-conditioner and tail end cold accumulation water system
KR20140141127A (en) * 2013-05-31 2014-12-10 삼성전자주식회사 Diagnosis method of air conditioner
CN104236025A (en) * 2013-06-06 2014-12-24 珠海格力电器股份有限公司 System and method for controlling air conditioner
CN104460332A (en) * 2014-11-17 2015-03-25 广东美的厨房电器制造有限公司 Household appliance, communication method for household appliance master control module and independent communication module and household appliance control system
CN104728988A (en) * 2013-12-18 2015-06-24 珠海格力电器股份有限公司 Air conditioner and communication method, device and equipment of inside and outside machines of air conditioner
CN105180383A (en) * 2015-10-26 2015-12-23 珠海格力电器股份有限公司 Communication mode control method and system and air conditioner debugging device
CN205091580U (en) * 2015-11-16 2016-03-16 珠海格力电器股份有限公司 Communication interface circuit and use its domestic appliance
CN106152415A (en) * 2016-08-05 2016-11-23 珠海格力电器股份有限公司 The fault determination method of air conditioning system connection wiring and device
CN109828537A (en) * 2018-07-17 2019-05-31 柳州钢铁股份有限公司 Iron-smelter gas alarm instrument centralized monitoring system and method
CN110160206A (en) * 2018-02-12 2019-08-23 青岛海尔空调器有限总公司 A kind of air-conditioning fault handling method, device and air-conditioning

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130201316A1 (en) * 2012-01-09 2013-08-08 May Patents Ltd. System and method for server based control

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1229205A (en) * 1998-03-16 1999-09-22 富士通株式会社 Simplex/duplex switching system
JP2001312459A (en) * 2000-05-01 2001-11-09 Sanyo Electric Co Ltd Control process group device
JP2003279111A (en) * 2002-03-22 2003-10-02 Mitsubishi Electric Corp Ventilation adjusting device and ventilation system
CN101188533A (en) * 2007-11-26 2008-05-28 海信集团有限公司 Network air-conditioner adapter
CN201954691U (en) * 2011-01-26 2011-08-31 中国建筑西北设计研究院有限公司 Series connection type refrigeration air-conditioner and tail end cold accumulation water system
KR20140141127A (en) * 2013-05-31 2014-12-10 삼성전자주식회사 Diagnosis method of air conditioner
CN104236025A (en) * 2013-06-06 2014-12-24 珠海格力电器股份有限公司 System and method for controlling air conditioner
CN104728988A (en) * 2013-12-18 2015-06-24 珠海格力电器股份有限公司 Air conditioner and communication method, device and equipment of inside and outside machines of air conditioner
CN104460332A (en) * 2014-11-17 2015-03-25 广东美的厨房电器制造有限公司 Household appliance, communication method for household appliance master control module and independent communication module and household appliance control system
CN105180383A (en) * 2015-10-26 2015-12-23 珠海格力电器股份有限公司 Communication mode control method and system and air conditioner debugging device
CN205091580U (en) * 2015-11-16 2016-03-16 珠海格力电器股份有限公司 Communication interface circuit and use its domestic appliance
CN106152415A (en) * 2016-08-05 2016-11-23 珠海格力电器股份有限公司 The fault determination method of air conditioning system connection wiring and device
CN110160206A (en) * 2018-02-12 2019-08-23 青岛海尔空调器有限总公司 A kind of air-conditioning fault handling method, device and air-conditioning
CN109828537A (en) * 2018-07-17 2019-05-31 柳州钢铁股份有限公司 Iron-smelter gas alarm instrument centralized monitoring system and method

Also Published As

Publication number Publication date
CN110686368A (en) 2020-01-14

Similar Documents

Publication Publication Date Title
CN110686368B (en) Communication control device, internal machine, external machine, temperature controller, communication method and air conditioner
WO2021082712A1 (en) Wireless network distribution method and apparatus, storage medium, and processor
CN104807147A (en) Controller, indoor environment regulating system and indoor environment regulation method
CN111474865A (en) Dormancy awakening test system for intelligent vehicle-mounted terminal controller
CN104932335B (en) A kind of control method and device of jack working condition
CN107604590B (en) Control method, control device and control system of washing machine based on Internet of things
CN109412912B (en) Remote control device and household appliance
CN108759032B (en) Air conditioner operation control method
CN108734307B (en) Maintenance method, home terminal, and computer-readable storage medium
CN106548610A (en) By the method and device of terminal control remote control
CN106033206A (en) Self-checking method used for cooking utensil, self-checking system and the cooking utensil
CN105423482B (en) A kind of temperature checking method and air-conditioning
US20160226673A1 (en) Terminal apparatus, control apparatus, installation-location-ascertainment support system, installation-location-setting support system, installation-location-ascertainment support method, installation-location-setting support method, and program
CN104951421A (en) Automatic numbering and type recognition method and device for serial bus communication devices
CN109474503B (en) Electric appliance control method and device, storage medium and electric appliance
CN109286455B (en) Communication method and communication system for preventing multi-machine interference
CN103092118A (en) Household appliance safety detection system and method
JP2007089897A5 (en)
CN110686369B (en) Conversion device, control method of conversion device and air conditioner
JP3525994B2 (en) Meter setting device with meter type identification function
CN113719980A (en) Oxygen-enriched air conditioner and control method for oxygen-enriched air conditioner
CN106210372A (en) Terminal control method and device
CN112629146B (en) Communication method for remotely monitoring refrigerator
CN109191816B (en) Electrical appliance fault detection method and device, storage medium and terminal
CN110749046B (en) Air conditioner control method and device, air conditioner and computer readable storage medium

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant