CN113137718B - Air conditioner and zone control method - Google Patents

Air conditioner and zone control method Download PDF

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Publication number
CN113137718B
CN113137718B CN202110243365.7A CN202110243365A CN113137718B CN 113137718 B CN113137718 B CN 113137718B CN 202110243365 A CN202110243365 A CN 202110243365A CN 113137718 B CN113137718 B CN 113137718B
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Prior art keywords
air valve
air
current
target
controller
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Chinese (zh)
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CN113137718A (en
Inventor
王晏
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Hisense Air Conditioning Co Ltd
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Hisense Air Conditioning Co Ltd
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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
    • 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
    • F24F11/62—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
    • F24F11/64—Electronic processing using pre-stored data
    • 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
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • 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
    • 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
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/30—Velocity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention discloses an air conditioner and a zone control method, wherein a main controller of the air conditioner is configured to: acquiring the state of each air valve, and controlling the compressor and/or the indoor fan according to the target area temperature corresponding to the target air valve in the open state, so that the difference between the target area temperature and the set temperature of the air conditioner is not greater than a preset difference; the target air valve is opened by the main controller when a preset opening condition is met, the preset opening condition comprises that a target line controller corresponding to an air valve group to which the target air valve belongs is in a starting state and detects that a user is in the starting state of the target line controller, the target line controller inputs an opening instruction of the target air valve, so that the air conditioner performs regional control, the temperature of a specific region can be accurately controlled, the power consumption of the air conditioner is reduced, and the user experience is improved.

Description

Air conditioner and zone control method
Technical Field
The present disclosure relates to the field of air conditioner control, and more particularly, to an air conditioner and a partition control method.
Background
In the prior art, when an air conditioner runs, cold/hot air is blown through a single air outlet and then slowly diffused into the whole room, so that the indoor temperature reaches the set temperature. For the occasion with larger indoor area, the activity range of people may be only limited to a certain area or a plurality of areas, if the temperature of the whole room reaches the set temperature, the power consumption of the air conditioner is increased, and the air conditioner cannot reach the temperature set by the user quickly.
Therefore, how to provide an air conditioner capable of performing control by different areas is a technical problem to be solved at present.
Disclosure of Invention
The invention provides an air conditioner, which is used for solving the technical problems that the prior art cannot effectively perform regional control and the power consumption of the air conditioner is high.
The air conditioner includes:
an indoor unit including an indoor fan;
an outdoor unit including a compressor;
further comprising:
the air ducts are used for conveying the air outlet of the indoor fan to different indoor areas, and air valves are respectively arranged in the air ducts;
the line controller corresponds to an air valve group at least comprising an air valve and is used for receiving an instruction input by a user and sending the instruction to the main controller;
the temperature sensor corresponds to the at least one air valve and is used for detecting the area temperature of the area where the corresponding air valve is located;
the master controller configured to:
acquiring the state of each air valve, and controlling the compressor and/or the indoor fan according to the target area temperature corresponding to the target air valve in the open state, so that the difference between the target area temperature and the set temperature of the air conditioner is not greater than a preset difference;
the target air valve is opened by the main controller when a preset opening condition is met, wherein the preset opening condition comprises that a target line controller corresponding to the air valve group to which the target air valve belongs is in an on state and an instruction input by a user in the target line controller to open the target air valve is detected.
In some embodiments of the present application, the master controller is further configured to:
when the air conditioner is powered on, controlling all the air valves to be opened to the maximum opening degree and then to be closed, and powering off and powering on the air conditioner again;
and if the air conditioner is not powered on for the first time, recovering the state of each air valve according to the state information of each air valve prestored in the EEPROM of the air conditioner, and sending the state of each air valve to the wire controller according to the air valve group to which each air valve belongs.
In some embodiments of the present application, the master controller is further configured to:
if the air conditioner is powered on for the first time and setting information input by a user at the current wire controller is detected, controlling the state of each air valve in the current air valve group corresponding to the current wire controller according to the setting information, and storing the setting information into the EEPROM;
the setting information comprises air valves contained in the current air valve group, default opened air valves in the current air valve group and air valves corresponding to the temperature sensors in the current air valve group.
In some embodiments of the present application, the master controller is further configured to:
if the target air valve meets a preset closing condition, closing the target air valve;
the preset closing condition comprises that the target line controller is in a shutdown state, or an instruction for closing the target air valve, which is input by a user in the target line controller, is detected.
In some embodiments of the present application, the master controller is further configured to:
if all air valves in the current air valve group are detected to be closed, sending a shutdown state to the current line controller;
if detecting that at least one air valve in the current air valve group is opened, sending a starting state to the current line controller;
if all the air valves meet the preset closing condition, sending a shutdown signal to the indoor unit;
and if at least one air valve meets the preset opening condition, sending a starting signal to the indoor unit.
In some embodiments of the present application, the master controller is further configured to:
if a shutdown instruction input by a user at the current line controller is detected, closing all air valves in the current air valve group;
and if a starting instruction input by a user in the current wire controller is detected, opening an air valve preset to be in an opening state or a default opening air valve in the current air valve group.
In some embodiments of the present application, the master controller is further configured to:
and if the setting information input by the current wire controller when the current wire controller is in a shutdown state by a user is detected, storing the setting information into the EEPROM, and controlling the state of each air valve in the current air valve group according to the setting information when the next startup instruction input by the current wire controller by the user is detected.
In some embodiments of the present application, the master controller is further configured to:
when indoor unit information sent by the indoor unit every other first preset time is received, feeding back the indoor unit information to the indoor unit;
and broadcasting the indoor unit information to the line controller, and sending preset inquiry information to the line controller based on a second preset time interval.
In some embodiments of the present application, the indoor unit further includes a communication module, and the main controller is further configured to:
if a remote control instruction for a current air valve sent by the indoor unit is received, opening or closing the current air valve, and sending the air valve state of the current air valve to a wire controller corresponding to the current air valve;
if remote setting information for the current wire controller sent by the indoor unit is received, controlling the state of each air valve in the current air valve group according to the remote setting information, and storing the remote setting information into the EEPROM;
the remote setting information comprises the setting information, and the remote control instruction and the remote setting information are sent to the indoor unit through the communication module after being input by a user at a client.
Correspondingly, the invention also provides a zone control method of the air conditioner, which is applied to the air conditioner and comprises the following steps:
acquiring the state of each air valve, and controlling the compressor and/or the indoor fan according to the target area temperature corresponding to the target air valve in the opening state, so that the difference between the target area temperature and the set temperature of the air conditioner is not greater than a preset difference;
the target air valve is opened by the main controller when a preset opening condition is met, wherein the preset opening condition comprises that a target line controller corresponding to the air valve group to which the target air valve belongs is in a starting state and an instruction input by a user in the target line controller to open the target air valve is detected.
Compared with the prior art, the invention has the following beneficial effects:
the invention discloses an air conditioner and a zone control method, wherein a main controller of the air conditioner is configured to: acquiring the state of each air valve, and controlling the compressor and/or the indoor fan according to the target area temperature corresponding to the target air valve in the open state, so that the difference between the target area temperature and the set temperature of the air conditioner is not greater than a preset difference; the target air valve is opened by the main controller when a preset opening condition is met, the preset opening condition comprises that a target line controller corresponding to an air valve group to which the target air valve belongs is in a starting state and a user is detected to be in an instruction input by the target line controller to open the target air valve, so that the air conditioner can perform regional control, the temperature of a specific region can be accurately controlled, the power consumption of the air conditioner is reduced, and the user experience is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view illustrating an air conditioner according to an embodiment of the present invention;
fig. 2 is a timing chart illustrating communication of an air conditioner according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating initialization of an air conditioner according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating a zone control method for an air conditioner according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part 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.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The air conditioner performs a refrigeration cycle by using a compressor, a condenser, an expansion valve, and an evaporator in the present application. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies refrigerant to the air that has been conditioned and heat-exchanged.
The compressor compresses a refrigerant gas in a high temperature and high pressure state and discharges the compressed refrigerant gas, the discharged refrigerant gas flows into a condenser, the condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through a condensation process.
The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve, and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.
An outdoor unit (i.e., an outdoor unit) of an air conditioner refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, an indoor unit (i.e., an indoor unit) of the air conditioner includes an indoor heat exchanger and an indoor fan, and an expansion valve may be provided in the indoor unit or the outdoor unit.
The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater in a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler in a cooling mode.
As shown in fig. 1, the air conditioner includes:
an indoor unit including an indoor fan;
an outdoor unit (not shown in fig. 1) including a compressor;
in this embodiment, the indoor unit and the main controller communicate with each other through a general control interface of the air conditioner, such as a CAN, an H-link, etc., so that the main controller CAN perform on-off, mode control (such as a cooling mode, a heating mode, a dehumidification mode, etc.), temperature control, and control of preset auxiliary functions (such as a self-cleaning function, a mold removal function, a cold light source function, etc.) on the air conditioner. The indoor fan is used for introducing airflow through the suction port, sending the airflow through the indoor heat exchanger and sending the airflow out through the blow port. The outdoor unit and the indoor unit can communicate through the air conditioner general control interface, and the compressor can be a variable frequency compressor or a fixed frequency compressor.
Further comprising:
a plurality of air ducts (not shown in fig. 1) for conveying the outlet air of the indoor fan to different indoor areas, wherein each air duct is provided with an air valve;
the line controller corresponds to an air valve group at least comprising an air valve and is used for receiving an instruction input by a user and sending the instruction to the main controller;
the temperature sensor corresponds to the air valve and is used for detecting the area temperature of the area where the corresponding air valve is located;
in this embodiment, the air valve is controlled by the main controller, and after the main controller receives control information of the air valve from the online controller of the user, the opening or closing of the air valve is controlled based on the relay.
The air conditioner comprises one or more wire controllers, each wire controller can receive instructions of a user, the instructions comprise switching on and off, mode control, temperature control, control of each air valve and control of the preset auxiliary function of the air conditioner, and the instructions are sent to the main controller. In a specific application scenario of the application, the main controller is connected with at least one wire controller in series through an RS485 bus. The user can group the air valves by the online controllers, each line controller controls one air valve group, each group comprises at least one air valve, and the group serial number of each air valve group is respectively recorded in an EEPROM (Electrically Erasable and Programmable read only memory) of the corresponding line controller.
A user can distribute temperature sensors for the air valves through the wire controller, each air valve corresponds to at most one temperature sensor, each temperature sensor corresponds to at least one air valve and serves as an environment temperature collector of an area corresponding to the air valve. In order to enable the air conditioner to normally operate, in some embodiments of the present application, if a current air valve is not configured with a temperature sensor, an ambient temperature collected by a line controller corresponding to the current air valve is used as an area temperature corresponding to the current air valve.
A master controller configured to:
and acquiring the state of each air valve, and controlling the compressor and/or the indoor fan according to the target area temperature corresponding to the target air valve in the open state, so that the difference between the target area temperature and the set temperature of the air conditioner is not greater than a preset difference.
In this embodiment, the target air valve is opened by the main controller when a preset opening condition is met, where the preset opening condition includes that a target line controller corresponding to an air valve group to which the target air valve belongs is in an on state and an instruction for opening the target air valve input by a user at the target line controller is detected.
For example, if the target air valve t belongs to the air valve group n, the requirement for opening the target air valve t needs to be satisfied: and the target line controller corresponding to the air valve group n is in a starting state and detects an instruction for opening the target air valve t input by a user at the target line controller.
After the state of the air valve is obtained, because only the area where the target air valve in the open state is located needs to be subjected to temperature control, the compressor and/or the indoor fan are controlled according to the target area temperature corresponding to the target air valve, and the difference value between the target area temperature and the set temperature of the air conditioner is not larger than the preset difference value.
Specifically, if the compressor is a fixed-frequency compressor and the difference value is greater than a preset difference value, starting the compressor and/or increasing the rotating speed of the indoor fan; and if the compressor is a fixed-frequency compressor and the difference value is not greater than the preset difference value, stopping the compressor and/or reducing the rotating speed of the indoor fan.
If the compressor is a variable frequency compressor and the difference value is greater than the preset difference value, increasing the working frequency of the compressor and/or increasing the rotating speed of the indoor fan; and if the compressor is a variable frequency compressor and the difference value is not greater than the preset difference value, reducing the working frequency of the compressor and/or reducing the rotating speed of the indoor fan.
In order to accurately control the target zone temperature, in some embodiments of the present application, the master controller is further configured to:
if the target area temperature is multiple, controlling the compressor and/or the indoor fan according to the average value of the target area temperatures, so that the difference value between the average value and the set temperature of the air conditioner is not larger than a preset difference value.
In order to accurately control the target zone temperature, in some embodiments of the present application, the master controller is further configured to:
if the target area temperatures are multiple, controlling the compressor and/or the indoor fan according to the area temperature to be controlled, so that the difference between the area temperature to be controlled and the set temperature of the air conditioner is not larger than a preset difference, wherein the area temperature to be controlled is the target area temperature with the largest difference between the target area temperatures and the set temperature of the air conditioner.
To improve the reliability of each damper, in some embodiments of the present application, the main controller is further configured to:
when the air conditioner is powered on, controlling all the air valves to be opened to the maximum opening degree and then to be closed, and powering off and powering on the air conditioner again;
and if the air conditioner is not powered on for the first time, recovering the state of each air valve according to the state information of each air valve prestored in the EEPROM of the air conditioner, and sending the state of each air valve to the wire controller according to the air valve group to which each air valve belongs.
In this embodiment, as shown in fig. 3, after the air conditioner is powered on, the air valves need to be initialized, all the air valves are controlled to be opened to the maximum opening degree and then closed, the air conditioner is powered off and powered on again, and by fully opening and fully closing each air valve after being powered on, whether each air valve is moving normally can be detected, and if an abnormal air valve exists, a maintainer can be timely contacted for processing.
Because the state information of each air valve is prestored in the EEPROM of the main controller when the air conditioner operates last time, if the air conditioner is not powered on for the first time, the state of each air valve is restored according to the state information of each air valve prestored in the EEPROM, and the state of each air valve is sent to the corresponding wire controller according to the air valve group to which each air valve belongs, optionally, the state of the indoor unit is restored, and the state of the indoor unit is sent to each wire controller.
In order to ensure the reliability of each air valve, in some embodiments of the present application, if the air conditioner is powered on for the first time and setting information input by a user at a current line controller is detected, controlling the state of each air valve in a current air valve group corresponding to the current line controller according to the setting information, and storing the setting information in the EEPROM;
the setting information comprises air valves contained in the current air valve group, default open air valves in the current air valve group and air valves corresponding to the temperature sensors in the current air valve group.
In this embodiment, as shown in fig. 3, since the air conditioner is powered on for the first time, the EEPROM of the main controller does not store the state information of each air valve, and therefore, a user needs to input corresponding setting information through the online controller, where the setting information may include an air valve included in the current air valve group, an air valve that is opened by default in the current air valve group, and an air valve that corresponds to the temperature sensor in the current air valve group, and then, the state of each air valve in the current air valve group is controlled according to the setting information, and the setting information is stored in the EEPROM. And then, the command sent by the user through the wire controller can be responded normally.
In addition, the user can set the group number of each air valve group by the online controller, and the group number of the current air valve group is recorded in the EEPROM of the current online controller.
In this embodiment, the states of the line controller include a general user state and a parameter setting state, and the air valve control and the air conditioner control can be performed in the general user state. The wire controller is powered on for the first time or can be enabled to enter a parameter setting state through preset operation, a user can set the group number of each air valve group and the setting information in the parameter setting state, and technicians in the field can flexibly select different setting information according to actual needs.
In addition, in order to prevent the air conditioner from blowing out after being started, a default open air valve needs to be preset, if the default open air valve in the current air valve group is not included in the setting information, the default open air valve in the current air valve group is used as the default open air valve in the current air valve group, and the default open air valve is the air valve with the lowest or the highest sequence number in the current air valve group.
In order to reliably close the damper, in some embodiments of the present application, the main controller is further configured to:
if the target air valve meets a preset closing condition, closing the target air valve;
the preset closing condition comprises that the target line controller is in a shutdown state, or an instruction for closing the target air valve, which is input by a user at the target line controller, is detected.
Specifically, for example, if the target air valve t belongs to the air valve group n, the requirement for closing the target air valve t needs to be satisfied: and the target line controller corresponding to the air valve group n is in a shutdown state, or an instruction for closing the target air valve t input by a user at the target line controller is detected.
To improve the reliability of the air conditioner, in some embodiments of the present application, the main controller is further configured to:
if all air valves in the current air valve group are detected to be closed, sending a shutdown state to the current line controller;
if detecting that at least one air valve in the current air valve group is opened, sending a starting state to the current line controller;
if all the air valves meet the preset closing condition, sending a shutdown signal to the indoor unit;
and if at least one air valve meets the preset opening condition, sending a starting signal to the indoor unit.
In this embodiment, if it is detected that all the air valves in the current air valve group are closed, which indicates that the current line controller is shut down, a shutdown state is sent to the current line controller; and if detecting that at least one air valve in the current air valve group is opened, indicating that the current wire controller is started, and sending a starting state to the current wire controller.
If all the air valves meet the preset closing condition, the closing of all the air valves is described, the indoor unit is shut down, and a shutdown signal is sent to the indoor unit; and if at least one air valve meets the preset opening condition, the indoor unit is started, and a starting signal is sent to the indoor unit.
For reliable drive-by-wire control, in some embodiments of the present application, the master controller is further configured to:
if a shutdown instruction input by a user at the current line controller is detected, closing all air valves in the current air valve group;
and if a starting instruction input by a user in the current wire controller is detected, opening an air valve preset to be in an opening state or a default opening air valve in the current air valve group.
In this embodiment, if a shutdown instruction input by a user at a current line controller is detected, which indicates that the user needs to close the current line controller, all air valves in the current air valve group are closed, where the line controller prompts the user that the current air valve group is in a shutdown state through an operation indicator and an operation interface prompt message.
If a starting instruction input by a user at the current wire controller is detected, which indicates that the user needs to start the current wire controller, an air valve preset to be in an open state in the current air valve group is started, and if the air valve preset to be in the open state does not exist in the current air valve group, a preset default open air valve is started.
To improve the reliability of the line controller, in some embodiments of the present application, the main controller is further configured to:
and if the setting information input by the current wire controller when the current wire controller is in a shutdown state by a user is detected, storing the setting information into the EEPROM, and controlling the state of each air valve in the current air valve group according to the setting information when the next startup instruction input by the current wire controller by the user is detected.
In this embodiment, if it is detected that the user inputs the setting information at the current line controller when the current line controller is in the shutdown state, the corresponding air valve is not controlled at this time, but the setting information is stored in the EEPROM of the main controller, when it is detected that the user inputs a power-on instruction at the current line controller next time, the setting information is obtained by reading the EEPROM, and then the state of each air valve in the current air valve group is controlled according to the setting information. That is, in the shutdown state of the line controller, the user can still set the air valve switch, and only at this time, the set air valve is not the current air valve state, but the air valve action when the line controller is started next time.
To improve the reliability of the air conditioner, in some embodiments of the present application, the main controller is further configured to:
when indoor unit information sent every other first preset time by the indoor unit is received, feeding back the indoor unit information to the indoor unit;
and broadcasting the indoor unit information to the line controller, and sending preset inquiry information to the line controller based on a second preset time interval.
In this embodiment, reliable communication among the indoor unit, the main controller, and the line controllers is ensured by sending corresponding information among the indoor unit, the main controller, and the line controllers, in a specific application scenario of the present application, as shown in fig. 2, a first preset duration is 300ms, a second preset duration is 30ms, the indoor unit sends indoor unit information (such as a state and a mode of the indoor unit) to the main controller every 300ms, the main controller feeds back the indoor unit information to the indoor unit when receiving the indoor unit information, performs state feedback, broadcasts the indoor unit information to the line controllers through an RS485 bus, and then sends preset inquiry information to the line controllers every 30ms in sequence.
Optionally, if the preset query message needs to be replied, the main controller may receive reply data corresponding to the address carried in the preset query message, which is sent by the corresponding line controller.
For more flexible control of the air conditioner, in some embodiments of the present application, the indoor unit further includes a communication module, and the main controller is further configured to:
if a remote control instruction for a current air valve sent by the indoor unit is received, opening or closing the current air valve, and sending the air valve state of the current air valve to a wire controller corresponding to the current air valve;
and if the remote setting information for the current wire controller sent by the indoor unit is received, controlling the state of each air valve in the current air valve group according to the remote setting information, and storing the remote setting information into the EEPROM.
In this embodiment, the communication module may perform communication based on a manner including but not limited to WiFi, 4G, and 5G, after the indoor unit establishes a connection with a client APP of a user through the communication module, if the user needs to control a current air valve, a remote control instruction of the current air valve is sent to the indoor unit after the client APP is input, the indoor unit sends the remote control instruction to the main controller, and the main controller opens or closes the current air valve and sends an air valve state of the current air valve to the line controller corresponding to the current air valve;
if the user needs to set the current wire controller, the remote setting information of the current wire controller is sent to the indoor unit after the client APP is input, the indoor unit sends the remote setting information to the main controller, and the main controller controls the state of each air valve in the current air valve group according to the remote setting information and stores the remote setting information into the EEPROM of the main controller. Wherein the remote setting information includes the above setting information.
By applying the above technical solution, in an air conditioner including an indoor unit, an outdoor unit, a plurality of air ducts, at least one line controller, at least one temperature sensor, and a main controller, the main controller is configured to: acquiring the state of each air valve, and controlling the compressor and the indoor fan according to the target area temperature corresponding to the target air valve in the opening state, so that the difference between the target area temperature and the set temperature of the air conditioner is not greater than a preset difference; the target air valve is opened by the main controller when a preset opening condition is met, the preset opening condition comprises that a target line controller corresponding to an air valve group to which the target air valve belongs is in a starting state and a user is detected to be in an instruction input by the target line controller to open the target air valve, so that the air conditioner can perform regional control, the temperature of a specific region can be accurately controlled, the power consumption of the air conditioner is reduced, and the user experience is improved.
Corresponding to the air conditioner in the embodiment of the present application, the embodiment of the present application further provides a partition control method of an air conditioner, where the method is applied to the air conditioner as described above, and as shown in fig. 4, the method includes:
step S101, acquiring the state of each air valve, and controlling the compressor and/or the indoor fan according to the target area temperature corresponding to the target air valve in the opening state, so that the difference between the target area temperature and the set temperature of the air conditioner is not greater than a preset difference;
the target air valve is opened by the main controller when a preset opening condition is met, wherein the preset opening condition comprises that a target line controller corresponding to the air valve group to which the target air valve belongs is in an on state and an instruction input by a user in the target line controller to open the target air valve is detected.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims (9)

1. An air conditioner comprising:
an indoor unit including an indoor fan;
an outdoor unit including a compressor;
it is characterized by also comprising:
the air ducts are used for conveying the outlet air of the indoor fan to different indoor areas, and air valves are respectively arranged in the air ducts;
the line controller corresponds to an air valve group at least comprising an air valve and is used for receiving an instruction input by a user and sending the instruction to the main controller;
the temperature sensor corresponds to the at least one air valve and is used for detecting the area temperature of the area where the corresponding air valve is located;
the master controller configured to:
acquiring the state of each air valve, and controlling the compressor and/or the indoor fan according to the target area temperature corresponding to the target air valve in the opening state, so that the difference between the target area temperature and the set temperature of the air conditioner is not greater than a preset difference;
the target air valve is opened by the main controller when a preset opening condition is met, wherein the preset opening condition comprises that a target line controller corresponding to an air valve group to which the target air valve belongs is in a starting state and an instruction input by a user in the target line controller to open the target air valve is detected;
the master controller is further configured to:
when the air conditioner is powered on, controlling all the air valves to be opened to the maximum opening degree and then to be closed, and powering off and powering on the air conditioner again;
and if the air conditioner is not powered on for the first time, recovering the state of each air valve according to the state information of each air valve prestored in the EEPROM of the air conditioner, and sending the state of each air valve to the wire controller according to the air valve group to which each air valve belongs.
2. The air conditioner of claim 1, wherein the master controller is further configured to:
if the air conditioner is powered on for the first time and setting information input by a user at the current wire controller is detected, controlling the state of each air valve in the current air valve group corresponding to the current wire controller according to the setting information, and storing the setting information into the EEPROM;
the setting information comprises air valves contained in the current air valve group, default opened air valves in the current air valve group and air valves corresponding to the temperature sensors in the current air valve group.
3. The air conditioner of claim 2, wherein the master controller is further configured to:
if the target air valve meets a preset closing condition, closing the target air valve;
the preset closing condition comprises that the target line controller is in a shutdown state, or an instruction for closing the target air valve, which is input by a user in the target line controller, is detected.
4. The air conditioner of claim 3, wherein the master controller is further configured to:
if all air valves in the current air valve group are detected to be closed, sending a shutdown state to the current line controller;
if detecting that at least one air valve in the current air valve group is opened, sending a starting state to the current line controller;
if all the air valves meet the preset closing condition, sending a shutdown signal to the indoor unit;
and if at least one air valve meets the preset opening condition, sending a starting signal to the indoor unit.
5. The air conditioner of claim 2, wherein the master controller is further configured to:
if a shutdown instruction input by a user at the current line controller is detected, closing all air valves in the current air valve group;
and if a starting instruction input by a user at the current wire controller is detected, opening an air valve which is preset to be in an opening state in the current air valve group or presetting a default opening air valve.
6. The air conditioner of claim 5, wherein the master controller is further configured to:
and if the setting information input by the current wire controller when the current wire controller is in a shutdown state by a user is detected, storing the setting information into the EEPROM, and controlling the state of each air valve in the current air valve group according to the setting information when the next startup instruction input by the current wire controller by the user is detected.
7. The air conditioner of claim 1, wherein the master controller is further configured to:
when indoor unit information sent by the indoor unit every other first preset time is received, feeding back the indoor unit information to the indoor unit;
and broadcasting the indoor unit information to the line controller, and sending preset inquiry information to the line controller based on a second preset time interval.
8. The air conditioner of claim 2, wherein the indoor unit further comprises a communication module, the main controller further configured to:
if a remote control instruction for a current air valve sent by the indoor unit is received, opening or closing the current air valve, and sending the air valve state of the current air valve to a wire controller corresponding to the current air valve;
if remote setting information for the current line controller sent by the indoor unit is received, controlling the state of each air valve in the current air valve group according to the remote setting information, and storing the remote setting information into the EEPROM;
the remote setting information comprises the setting information, and the remote control instruction and the remote setting information are sent to the indoor unit through the communication module after being input by a user at a client.
9. A zone control method of an air conditioner, wherein the method is applied to the air conditioner according to any one of claims 1 to 8, and the method comprises the following steps:
acquiring the state of each air valve, and controlling the compressor and/or the indoor fan according to the target area temperature corresponding to the target air valve in the opening state, so that the difference between the target area temperature and the set temperature of the air conditioner is not greater than a preset difference;
the target air valve is opened by the main controller when a preset opening condition is met, wherein the preset opening condition comprises that a target line controller corresponding to an air valve group to which the target air valve belongs is in a starting state and an instruction input by a user in the target line controller to open the target air valve is detected;
wherein the master controller is further configured to:
when the air conditioner is powered on, controlling all the air valves to be opened to the maximum opening degree and then to be closed, and powering off and powering on the air conditioner again;
and if the air conditioner is not powered on for the first time, restoring the state of each air valve according to the state information of each air valve prestored in the EEPROM of the air conditioner, and sending the state of each air valve to the wire controller according to the air valve group to which each air valve belongs.
CN202110243365.7A 2021-03-05 2021-03-05 Air conditioner and zone control method Active CN113137718B (en)

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KR900001875B1 (en) * 1985-02-20 1990-03-26 미쓰비시전기주식회사 Air-conditioner
CN108895624A (en) * 2018-05-10 2018-11-27 海信（山东）空调有限公司 A kind of one-to-one air-conditioner control system and control method
CN110454920A (en) * 2019-07-11 2019-11-15 海信（山东）空调有限公司 A kind of control method and device of air conditioner
CN110486904B (en) * 2019-08-19 2021-03-12 珠海格力电器股份有限公司 Air valve opening dynamic adjusting method and device and air conditioning equipment
CN110567132B (en) * 2019-09-29 2021-01-08 珠海格力电器股份有限公司 Regional control method, device and system and air conditioning system
CN111854061B (en) * 2020-07-16 2021-07-09 珠海格力电器股份有限公司 Air supply system control method and device and air supply system

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Address after: No.1, Hisense Road, Nancun Town, Pingdu City, Qingdao City, Shandong Province 266700

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Address before: No.1, Hisense Road, Nancun Town, Pingdu City, Qingdao City, Shandong Province 266700

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