CN115711461A - Air conditioning system and control method thereof - Google Patents

Air conditioning system and control method thereof Download PDF

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Publication number
CN115711461A
CN115711461A CN202211497853.1A CN202211497853A CN115711461A CN 115711461 A CN115711461 A CN 115711461A CN 202211497853 A CN202211497853 A CN 202211497853A CN 115711461 A CN115711461 A CN 115711461A
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China
Prior art keywords
communication
power line
phase
phase coupler
line carrier
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CN202211497853.1A
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Chinese (zh)
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石磊
徐铭
孙鹏飞
李健
张宗法
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Qingdao Hisense Hitachi Air Conditioning System Co Ltd
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Qingdao Hisense Hitachi Air Conditioning System Co Ltd
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Priority to CN202211497853.1A priority Critical patent/CN115711461A/en
Publication of CN115711461A publication Critical patent/CN115711461A/en
Priority to PCT/CN2023/078833 priority patent/WO2024045523A1/en
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Abstract

The application provides an air conditioning system and a control method thereof, relates to the technical field of household appliances, and aims to realize cross-phase communication between the air conditioning system and other equipment by using a three-phase coupler and improve the communication quality between the air conditioning system and other equipment. This air conditioning system includes: the outdoor unit, power line carrier communication gateway, three-phase coupler and controller, the controller is configured as: obtaining a plurality of communication qualities between any two of a power line carrier communication gateway, a three-phase coupler and intelligent equipment; controlling the three-phase coupler to be in a first working state under the condition that the communication qualities respectively meet preset quality conditions; in a first working state, the three-phase coupler is used for respectively informing the power line carrier communication gateway and the intelligent device and enhancing the transmitting power of the transmitted communication signal.

Description

Air conditioning system and control method thereof
Technical Field
The application relates to the technical field of household appliances, in particular to an air conditioning system and a control method thereof.
Background
A Power Line Carrier (PLC) communication technology is a communication technology commonly used in current intelligent devices. The air conditioning system based on the power carrier communication technology can realize communication between an outdoor unit and an indoor unit, and also can realize communication between the outdoor unit and intelligent equipment (such as an intelligent light switch, an intelligent curtain switch, an intelligent socket and the like).
However, the air conditioning system adopting the power carrier communication technology often adopts a three-phase PLC module or a hardware coupling mode without a PLC module to realize three-phase PLC communication. No matter which way is adopted to realize the three-phase PLC communication, the problem of poor communication quality can be caused.
Disclosure of Invention
The embodiment of the application provides an air conditioning system and a control method thereof, which utilize a three-phase coupler to realize cross-phase communication between the air conditioning system and other equipment and improve the communication quality between the air conditioning system and other equipment.
In a first aspect, the present application provides an air conditioning system located on any one of three phase power lines, the system comprising: the indoor unit is used for absorbing heat of a refrigerant output by the outdoor unit in a refrigeration mode and dissipating heat of the refrigerant compressed by the compressor in a heating mode;
the outdoor unit is used for dissipating heat of the refrigerant compressed by the compressor in the refrigeration mode and absorbing heat of the refrigerant output by the indoor unit in the heating mode;
the power line carrier communication gateway is positioned in the outdoor unit and is used for communicating with the intelligent equipment positioned on any phase in the three-phase power line;
the three-phase coupler is used for forwarding the communication signal of the power line carrier communication gateway to the intelligent equipment on any phase of the three-phase power line and forwarding the communication signal of the intelligent equipment to the power line carrier communication gateway;
a controller configured to:
obtaining a plurality of communication qualities between any two of a power line carrier communication gateway, a three-phase coupler and intelligent equipment;
controlling the three-phase coupler to be in a first working state under the condition that the communication qualities respectively meet preset quality conditions; in a first working state, the three-phase coupler is used for respectively informing the power line carrier communication gateway and the intelligent device and enhancing the transmitting power of the transmitted communication signal.
The technical scheme provided by the application at least brings the following beneficial effects: under the condition that a plurality of communication qualities between any two of the power line carrier communication gateway, the three-phase coupler and the intelligent device meet preset quality conditions, the three-phase coupler is controlled to be in a first working state. In the first working state, the three-phase coupler can forward communication signals between the power line carrier communication gateway and the intelligent device and inform the power line carrier communication gateway and the intelligent device of the communication signals, and the transmitting power of the communication signals is enhanced.
In some embodiments, the plurality of communication qualities includes a first communication quality between the power line carrier communication gateway and the smart device, a second communication quality between the three-phase coupler and the smart device, and a third communication quality between the three-phase coupler and the power line carrier communication gateway.
In some embodiments, the preset quality condition indicates that the first communication quality is less than a preset quality threshold, and the second communication quality and the third communication quality are both greater than or equal to the preset quality threshold.
In some embodiments, the controller of the air conditioning system is further configured to: and in the first working state, the three-phase coupler is controlled to enhance the transmitting power of the forwarded communication signals. In this embodiment, in the first operating state, the transmission power of the forwarding communication signal is enhanced by controlling the three-phase coupler, so that the quality of the communication signal between the forwarding power line carrier communication gateway and the intelligent device is improved.
In some embodiments, before obtaining the plurality of communication qualities between any two of the power line carrier communication gateway, the three-phase coupler, and the smart device, the controller is further configured to: controlling the three-phase coupler to be in a second working state; and under the condition that the three-phase coupler is in the second working state, controlling the three-phase coupler to forward the communication signal of the power line carrier communication gateway to the intelligent equipment on any phase of the three-phase power line, and forwarding the communication signal of the intelligent equipment to the power line carrier communication gateway. In this embodiment, the three-phase coupler is controlled to be in the second working state, and when the three-phase coupler is in the second working state, the signal controls the three-phase coupler to forward the communication signal between the power line carrier communication gateway and the intelligent device, so that the power line carrier communication gateway on different phases and the intelligent device can establish communication link.
In some embodiments, the controller of the air conditioning system is further configured to: and controlling the three-phase coupler to be in a second working state under the condition that the plurality of communication qualities do not meet the preset quality condition. In this embodiment, when the initial operating state of the three-phase coupler is the second operating state and the plurality of communication qualities do not satisfy the preset quality condition, the three-phase coupler is controlled to be in the second operating state, that is, the state of initially forwarding the communication signal between the power line carrier communication gateway and the intelligent device is maintained.
In some embodiments, prior to controlling the operating state of the three-phase coupler to the second operating state, the controller is further configured to: responding to the operation that the mobile terminal scans the two-dimensional code of the three-phase coupler, and controlling the three-phase coupler and the power line carrier communication gateway to establish an association relation; and the incidence relation represents that the three-phase coupler is trusted by the power line carrier communication network and is communicated with the three-phase coupler. The method enables the process of establishing the incidence relation between the three-phase coupler and the power line carrier communication gateway to be more convenient and more intelligent.
In some embodiments, the controller of the air conditioning system is further configured to: sending notification information to the mobile terminal; the mobile terminal is used for displaying the notification information; the notification information comprises a plurality of communication qualities between any two of the power line carrier communication gateway, the three-phase coupler and the intelligent equipment, the working state of the three-phase coupler and the transmitting power of the three-phase coupler for transmitting the communication signals. In this embodiment, the mobile terminal may display the communication quality between any two of the power line carrier communication gateway, the three-phase coupler, and the intelligent device, the operating state of the three-phase coupler, and the transmission power of the three-phase coupler for transmitting the communication signal, so that a user of the air conditioning system may obtain information related to the operation of the air conditioning system in real time. Under the condition that the air conditioning system breaks down, users and technical support personnel can conveniently find out the problem of the air conditioning system faults according to the notification information, and then the use experience of the users is improved.
In some embodiments, the three-phase coupler comprises a power line carrier communication module; the power line carrier communication module is used for detecting a plurality of communication qualities between any two of the power line carrier communication gateway, the three-phase coupler and the intelligent device when the three-phase coupler is in any working state, and is used for adjusting the transmitting power of the communication signals forwarded by the three-phase coupler when the three-phase coupler is in a first working state. In this embodiment, the application of the power line carrier communication module can improve the communication quality between any two of the power line carrier communication gateway, the three-phase coupler and the intelligent device, solve the problem of communication quality reduction caused by a long distance between the power line carrier communication gateway and the intelligent device, ensure the reliability of the whole power line carrier communication network, and further improve the use experience of a user.
In a second aspect, the present application provides a control method for an air conditioning system, which is applied to the air conditioning system of the first aspect. The method comprises the following steps: obtaining a plurality of communication qualities between any two of a power line carrier communication gateway, a three-phase coupler and intelligent equipment; the intelligent equipment is positioned on any phase of the three-phase power line; controlling the three-phase coupler to be in a first working state under the condition that the communication qualities respectively meet preset quality conditions; in the first working state, the three-phase coupler is used for forwarding the communication signal of the power line carrier communication gateway to the intelligent device and forwarding the communication signal of the intelligent device to the power line carrier communication gateway, and the three-phase coupler is also used for informing the power line carrier communication gateway and the intelligent device and enhancing the transmitting power for transmitting the communication signal.
In a third aspect, the present application provides a controller comprising: one or more processors; one or more memories; wherein the one or more memories are configured to store computer program code comprising computer instructions which, when executed by the one or more processors, cause the controller to perform the method of controlling an air conditioning system as provided in the second aspect and possible implementations.
In a fourth aspect, the present application provides a computer-readable storage medium including computer instructions that, when executed on a computer, cause the computer to perform the control method of the air conditioning system provided in the second aspect and possible implementations.
In a fifth aspect, the present application provides a computer program product, which is directly loadable into a memory and contains software codes, and which, when loaded and executed by a computer, is capable of implementing the control method of the air conditioning system as provided in the second aspect and possible implementations.
It should be noted that all or part of the computer instructions may be stored on the computer readable storage medium. The computer readable storage medium may be packaged with or separately from a processor of the controller, which is not limited in this application.
The beneficial effects described in the second aspect to the fifth aspect in the present application may refer to the beneficial effect analysis of the first aspect, and are not described herein again.
Drawings
Fig. 1 is a schematic diagram of an air conditioning system according to an embodiment of the present disclosure;
fig. 2 is a schematic hardware structure diagram of a three-phase coupler according to an embodiment of the present disclosure;
fig. 3 is a block diagram of a hardware configuration of an air conditioning system according to an embodiment of the present disclosure;
fig. 4 is a schematic diagram of an air conditioning system according to an embodiment of the present disclosure;
fig. 5 is a schematic diagram illustrating a control method of an air conditioning system according to an embodiment of the present disclosure;
fig. 6 is a schematic diagram illustrating a control method of another air conditioning system according to an embodiment of the present disclosure;
fig. 7 is a schematic diagram illustrating a control method of another air conditioning system according to an embodiment of the present disclosure;
fig. 8 is a schematic diagram illustrating a control method of another air conditioning system according to an embodiment of the present disclosure;
fig. 9 is a schematic diagram illustrating a control method of another air conditioning system according to an embodiment of the present disclosure;
fig. 10 is a schematic hardware structure diagram of a controller according to an embodiment of the present disclosure.
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.
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 implicitly indicating 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, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise. 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. In addition, when a pipeline is described, the terms "connected" and "connected" are used in this application to have a meaning of conducting. The specific meaning is to be understood in conjunction with the context.
In the embodiments of the present application, words such as "exemplary" or "for example" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
A Power Line Carrier (PLC) communication technology is a communication technology commonly used in current intelligent devices. The air conditioning system based on the power carrier communication technology can realize communication between an outdoor unit and an indoor unit, and also can realize communication between the outdoor unit and intelligent equipment (such as an intelligent light switch, an intelligent curtain switch, an intelligent socket and the like).
An air conditioning system adopting the power carrier communication technology usually adopts a three-phase PLC module or a hardware coupling mode without the PLC module to realize three-phase PLC communication. Wherein, the scheme cost of the realization communication that adopts the three-phase PLC module is higher relatively to can't solve the PLC gateway and be far away with the intelligent equipment based on PLC technique within a definite time, and cause the unable communication problem that signal attenuation leads to. The hardware coupling scheme without the PLC module is greatly influenced by network environment, and the communication quality cannot be guaranteed.
The embodiment of the application provides an air conditioning system and a control method thereof, which are characterized in that a plurality of communication qualities between any two of a power line carrier communication gateway, a three-phase coupler and intelligent equipment are obtained; and under the condition that the communication qualities meet the preset quality condition, the three-phase coupler is controlled to be in a first working state. In the first working state, the three-phase coupler can forward communication signals between the power line carrier communication gateway and the intelligent device, and informs the power line carrier communication gateway and the intelligent device of the transmission of the communication signals, and the method can improve the communication quality between any two of the power line carrier communication gateway, the three-phase coupler and the intelligent device, and can solve the problem of reduction of the communication quality caused by long distance when the distance between the power line carrier communication gateway and the intelligent device is long, ensure the reliability of the whole power line carrier communication network, and further improve the use experience of a user.
Fig. 1 is a schematic diagram of an air conditioning system 11 according to an embodiment of the present disclosure. As shown in fig. 1, the air conditioning system 11 includes an outdoor unit 101, an indoor unit 102, and a three-phase coupler 103.
The power transmission line of the air conditioning system 11 is a three-phase four-wire system (four wires may be denoted as L1, L2, L3, and N, where N is a neutral line, such as a zero line), the outdoor unit 101, the indoor unit 102, and the three-phase coupler 103 all use PLC technology, and a power line carrier communication gateway (PLC gateway) is disposed inside the outdoor unit 101.
The outdoor unit 101 and the indoor unit 102 can be located on power lines in the same phase or different phases, and the three-phase coupler 103 forwards communication signals between the PLC gateway and the indoor unit 102, so that the outdoor unit 101 and the indoor unit 102 are networked and a communication connection is established.
In other embodiments, other PLC-based intelligent devices may be disposed on the power line, and these intelligent devices may be disposed on different phases or on the same phase power line. The three-phase coupler 103 may forward a communication signal between the PLC gateway and other PLC-based smart devices (e.g., smart sockets, scene panels, smart switches, smart curtains, etc.), so that the outdoor unit 101 is networked with the other PLC-based smart devices, and a communication connection is established.
In general, the outdoor unit 101 of the air conditioning system 11 dissipates heat from a refrigerant compressed by a compressor in a cooling mode and absorbs heat from a refrigerant output from an indoor unit in a heating mode. The indoor unit 102 absorbs heat from the refrigerant output from the outdoor unit in the cooling mode, and dissipates heat from the refrigerant compressed by the compressor in the heating mode.
In some embodiments, a three-phase coupler 103 is mounted within the customer premises, which may have a two-dimensional code printed thereon. The user may scan the two-dimensional code of the three-phase coupler through a corresponding application program (e.g., an application program corresponding to the air conditioning system 11, an application program corresponding to the user home device) in the mobile terminal, add the three-phase coupler to the user home device, and send the device type and the device code of the three-phase coupler 103 to the PLC gateway in the outdoor unit 101 by the application program, so as to establish an association relationship between the three-phase coupler and the gateway, where the association relationship indicates that the three-phase coupler is trusted by the power line carrier communication network and communicates with the three-phase coupler.
In some embodiments, the three-phase coupler 103 includes a first operating state (relay state) and a second operating state (mute state).
In some embodiments, as shown in fig. 2, the outdoor unit 101 is located on L1 of a three-phase power line, and the three-phase coupler 103 includes a first power line carrier communication module 201, a coupling transformer 202, and a three-phase coupling circuit 203.
The first power line carrier communication module 201 is configured to detect communication quality between any two of the power line carrier communication gateway, the three-phase coupler, and the intelligent device when the three-phase coupler is in any working state.
When the communication qualities do not meet the preset quality condition, the three-phase coupler is in a first working state. And a first power line carrier communication module 201, configured to detect, when the three-phase coupler is in the first operating state (relay state), communication quality between any two of the PLC gateway, the three-phase coupler, and the smart device, notify the PLC gateway and the smart device to enhance transmission power of the transmission communication signal, and adjust transmission power of the three-phase coupler for forwarding the communication signal.
And the coupling transformer 202 is used for sending the received communication signal of the PLC gateway or the intelligent device on any phase power line into the three-phase coupling circuit 203.
And the three-phase coupling circuit 203 is used for coupling the communication signal on any phase power line into three-phase power, so that communication between the PLC gateway and the intelligent device is realized.
In some embodiments, the three-phase coupling circuit 203 may be composed of a three-way safety-regulating capacitor, and the present embodiment is not particularly limited.
Fig. 3 exemplarily shows a hardware configuration block diagram of the air conditioning system 11 described above. As shown in fig. 3, the air conditioning system 11 includes a controller 301, a second power line carrier communication module 302, a communication module 303, and a power supply source 304. The second power line carrier communication module 302, the communication module 303, and the power supply 304 are all connected to the controller 301.
In some embodiments, the controller 301 may obtain a plurality of communication qualities between any two of the power line carrier communication gateway, the three-phase coupler, and the smart device; controlling the three-phase coupler to be in a first working state under the condition that the communication qualities respectively meet preset quality conditions; in a first working state, the three-phase coupler is used for respectively informing the power line carrier communication gateway and the intelligent device and enhancing the transmitting power of the transmitted communication signal.
In some embodiments, the controller 301 may control the three-phase coupler to increase the transmission power of the repeating communication signal in the first operating state.
In some embodiments, the controller 301 may control the three-phase coupler to be in the second operating state; and under the condition that the three-phase coupler is in the second working state, controlling the three-phase coupler to forward the communication signal of the power line carrier communication gateway to the intelligent equipment on any phase of the three-phase power line, and forwarding the communication signal of the intelligent equipment to the power line carrier communication gateway.
In some embodiments, the controller 301 may control the three-phase coupler to be in the second operating state if the preset quality condition is not satisfied.
In some embodiments, the controller 301 may control the association relationship between the three-phase coupler and the power line carrier communication gateway in response to an operation of the mobile terminal scanning the two-dimensional code of the three-phase coupler; and the incidence relation represents that the three-phase coupler is trusted by the power line carrier communication network and is communicated with the three-phase coupler.
In some embodiments, the controller 301 may send notification information to the mobile terminal; the mobile terminal is used for displaying the notification information; the notification information comprises a plurality of communication qualities between any two of the power line carrier communication gateway, the three-phase coupler and the intelligent equipment, the working state of the three-phase coupler and the transmitting power of the three-phase coupler for transmitting the communication signals.
In some embodiments, the air conditioning system 11 includes a plurality of second power line carrier communication modules 302, and the second power line carrier communication modules 302 may be power line carrier communication gateways, for example, a power line carrier communication gateway (PLC gateway) is disposed inside the outdoor unit 101, and a power line carrier communication module is disposed inside the indoor unit. The power line carrier communication technology is a special communication mode for voice or data transmission by using a power line as an information transmission medium.
In some embodiments, the communication module 303 is used to receive signals transmitted by a user's mobile device, and the communication module 303 is a component used to communicate with external devices or servers according to various communication protocol types. For example: the communication module 303 may include at least one of a wireless communication technology (WIFI) module, a bluetooth module, a wired ethernet module, a Near Field Communication (NFC) module, and other network communication protocol chips or near field communication protocol chips, and an infrared receiver. The communication module 303 may be used for communicating with other devices (user mobile terminals) or communication networks (e.g., ethernet, radio Access Network (RAN), wireless Local Area Networks (WLAN), etc.).
In some embodiments, the PLC gateway may utilize the communication module 303 to connect to the cloud platform through communication manners such as Narrow Band Internet of Things (NB-IoT), fourth generation mobile communication technology (4G), fifth generation mobile communication technology (5G), and the like, so as to establish a connection with the user mobile terminal.
In some embodiments, the power supply 304 is used to provide operating power support for the various electrical components of the air conditioning system 11 under the control of the controller 301. The power supply 304 may include a battery and associated control circuitry.
As shown in fig. 4, a schematic diagram of an air conditioning system is provided, in which a household power transmission line of the air conditioning system adopts a three-phase four-wire system (four wires may be denoted as L1, L2, L3, N, where N is a neutral line). The air conditioning system mainly comprises a root node, a relay node and a child node.
A root node: a power line carrier communication gateway (PLC gateway) is arranged in the outdoor unit, the PLC gateway is used as a root node of the whole PLC communication, is connected to the L1 power line, and is in contact with a mobile terminal of a user through a cloud platform (or a server);
a relay node: be provided with the three-phase coupler in the user's block terminal, the three-phase coupler is as relay node, wherein, still includes three-phase circuit breaker and single-phase circuit breaker in the user's block terminal, and three-phase circuit breaker and single-phase circuit breaker all are used for cutting off rapidly and put through load circuit to and cut off the fault circuit, guarantee whole air conditioning system's normal operating, reduce the potential safety hazard.
And (3) child nodes: the intelligent device is used as a sub-node, wherein the intelligent device comprises one or more of an outdoor unit, an intelligent socket, a scene panel, an intelligent switch, an intelligent curtain and the like, and the intelligent device can be connected to power lines of different phases and can also be connected to power lines of the same phase.
Based on the air conditioning system, as shown in fig. 5, an embodiment of the present application provides a control method of an air conditioning system, which includes the following steps S101 to S102.
S101, the air conditioning system obtains a plurality of communication qualities between any two of the power line carrier communication gateway, the three-phase coupler and the intelligent device.
The intelligent equipment and the three-phase coupler are both based on PLC technology.
The three-phase coupler can transmit power carrier signals sent by equipment on any phase of power line in the three-phase power line, namely the three-phase coupler can transmit communication signals of the power line carrier communication gateway to intelligent equipment on any phase of the three-phase power line and transmit communication signals of the intelligent equipment to the power line carrier communication gateway, so that communication quality exists between the three-phase coupler and any two of the power line carrier communication gateway and the intelligent equipment.
In some embodiments, the plurality of communication qualities, i.e., channel qualities between any two of the power line carrier communication gateway, the three-phase coupler, and the smart device, wherein the channel qualities may include signal-to-noise of the communication signal between any two of them, and attenuation strength of the communication signal).
In some embodiments, the communication quality includes a first communication quality between the power line carrier communication gateway and the smart device, a second communication quality between the three-phase coupler and the smart device, and a third communication quality between the three-phase coupler and the power line carrier communication gateway.
In some embodiments, the PLC technology based smart device may include a plurality of devices, such as an indoor unit, a smart socket, a smart switch, a smart window curtain, and the like. In the case of including a plurality of intelligent devices, the intelligent devices may set a device number, and the communication quality includes a first communication quality between the power line carrier communication gateway and the intelligent device, which is denoted as D i (i represents the serial number of the intelligent equipment), and the second communication quality between the three-phase coupler and the intelligent equipment is recorded as S i And the third communication quality between the three-phase coupler and the power line carrier communication gateway is recorded as Q i
When the intelligent device is an indoor unit, the PLC gateway can inform the indoor unit to start an operation mode (a cooling mode or a heating mode) or stop the operation mode; when the intelligent equipment is an intelligent socket, the PLC gateway can inform the intelligent socket to turn on or turn off power supply; when the intelligent equipment is an intelligent switch, the PLC gateway can inform the intelligent socket to be turned on or turned off; when the intelligent device is an intelligent curtain, the PLC gateway can inform the intelligent curtain to be pulled open or pulled up.
Illustratively, the device number of the indoor unit is 1, the device number of the intelligent socket is 2, the device number of the intelligent curtain is 3, and the communication quality comprises three groups:
first set of communication qualities: first communication quality D between power line carrier communication gateway and indoor unit 1 And a second communication quality S between the three-phase coupler and the indoor unit 1 Third communication quality Q between three-phase coupler and power line carrier communication gateway 1
Second group communication quality: first communication quality D between power line carrier communication gateway and intelligent socket 2 And a second communication quality S between the three-phase coupler and the smart jack 2 Third communication quality Q between three-phase coupler and power line carrier communication gateway 2
Third group communication quality: first communication quality D between power line carrier communication gateway and intelligent curtain 3 Second communication quality S between three-phase coupler and intelligent curtain 3 Third communication quality Q between three-phase coupler and power line carrier communication gateway 3
S102, the air conditioning system controls the three-phase coupler to be in a first working state under the condition that the communication qualities meet preset quality conditions.
The first operating state may also be referred to as a relay state. In the first working state, the three-phase coupler can forward the communication signal of the power line carrier communication gateway to the intelligent device on any phase of the three-phase power line, and forward the communication signal of the intelligent device to the power line carrier communication gateway, and the three-phase coupler can also inform the power line carrier communication gateway and the intelligent device, so as to enhance the transmitting power for transmitting the communication signal.
In some embodiments, the three-phase coupler may send a notification signal to the power line carrier communication gateway and the smart device, the notification signal being used to notify the power line carrier communication gateway and the smart device to enhance the transmission power of the sent communication signal.
In some embodiments, in the first operating state, the air conditioning system may control the three-phase coupler to enhance the transmission power of the forwarding communication signal, so as to improve the quality of the communication signal between the three-phase coupler enhanced forwarding power line carrier communication gateway and the smart device.
In some embodiments, in the case that the communication quality includes a first communication quality between the power line carrier communication gateway and the smart device, a second communication quality between the three-phase coupler and the smart device, and a third communication quality between the three-phase coupler and the power line carrier communication gateway, the preset quality condition may be that the first communication quality is less than a preset quality threshold, and both the second communication quality and the third communication quality are greater than or equal to the preset quality threshold.
The first communication quality is smaller than a preset quality threshold value, which indicates that the communication quality between the PLC gateway and the intelligent equipment is poor; the second communication quality and the third communication quality are both greater than or equal to a preset quality threshold, which indicates that the communication quality between the three-phase coupler and the intelligent device and the communication quality between the three-phase coupler and the power line carrier communication gateway are better. Therefore, in this case, it is necessary to control the three-phase coupler to notify the power line carrier communication gateway and the intelligent device to enhance the transmission power of the transmitted communication signal, that is, to notify the enhancement of the first communication quality, so that the communication quality of the entire PLC network can be optimized, and the reliability of communication between the PLC gateway and the intelligent device can be ensured.
Illustratively, the first communication quality is denoted as D i And the second communication quality is recorded as S i And the third communication quality is recorded as Q i And recording a preset quality threshold value as B, wherein the preset quality condition comprises the following steps:
the condition 1, di < B, indicates that the communication quality between the PLC gateway and the intelligent device (the intelligent device with the device number i) is poor;
and 2, si is greater than or equal to B and Qi is greater than or equal to B, which shows that the communication quality between the three-phase coupler and the intelligent equipment and the communication quality between the three-phase coupler and the power line carrier communication gateway are better.
And under the condition that the condition 1 and the condition 2 are met, the three-phase coupler forwards the communication signal of the power line carrier communication gateway to the intelligent device (the intelligent device with the device number i) on any phase of the three-phase power line, forwards the communication signal of the intelligent device to the power line carrier communication gateway and enhances the transmission power of the self-forwarded communication signal.
In still other embodiments, the preset quality condition may further include that the first communication quality is less than or equal to a preset quality threshold, and the second communication quality and the third communication quality are both greater than the preset quality threshold. This is not particularly limited by the embodiments of the present application.
The above embodiment includes at least the following advantageous effects: obtaining a plurality of communication qualities between any two of a power line carrier communication gateway, a three-phase coupler and intelligent equipment; and the communication qualities control the three-phase coupler to be in a first working state under the condition of meeting a preset quality condition. In the first working state, the three-phase coupler can forward communication signals between the power line carrier communication gateway and the intelligent device and inform the power line carrier communication gateway and the intelligent device of the communication signals, and the transmitting power of the communication signals is enhanced.
In some embodiments, as shown in fig. 6, in the case that the air conditioning system establishes a communication connection with the mobile terminal of the user, step S103 may also be performed.
And S103, the air conditioning system sends notification information to the mobile terminal.
The notification information includes communication quality between any two of the power line carrier communication gateway, the three-phase coupler and the intelligent device, working state of the three-phase coupler and transmitting power of communication signals forwarded by the three-phase coupler.
In some embodiments, the mobile terminal may notify the user in a short message manner when receiving the notification information, or display the notification information through a corresponding application program of the air conditioning system in the mobile terminal, or display the notification information through a corresponding application program of the user home device in the mobile terminal, so that a user using the air conditioning system may obtain information related to the operation of the air conditioning system in real time, which is not limited in this embodiment.
The above embodiment includes at least the following advantageous effects: by sending notification information to the mobile terminal, the notification information comprises communication quality between any two of the power line carrier communication gateway, the three-phase coupler and the intelligent device, the working state of the three-phase coupler and the transmitting power of the three-phase coupler for transmitting the communication signal, so that a user of the air conditioning system can obtain relevant information of the operation of the air conditioning system in real time. Under the condition that the air conditioning system breaks down, users and technical support personnel can conveniently find out the problem of the air conditioning system faults according to the notification information, and then the use experience of the users is improved.
In some embodiments, as shown in fig. 7, before the communication quality between any two of the power line carrier communication gateway, the three-phase coupler and the smart device is obtained, steps Sa1 to Sa2 may be further performed.
Sa1, the air conditioning system responds to the operation that the mobile terminal scans the two-dimensional code of the three-phase coupler, and the association relation is established between the three-phase coupler and the power line carrier communication gateway.
And the incidence relation represents that the three-phase coupler is trusted by the power line carrier communication network and is communicated with the three-phase coupler.
In some embodiments, a user may scan the two-dimensional code of the three-phase coupler through a corresponding application program (e.g., an application program corresponding to an air conditioning system, an application program corresponding to a user home device) in the mobile terminal, add the three-phase coupler to the user home device, and the application program sends the device type and the device code of the three-phase coupler to the PLC gateway, so as to establish an association relationship between the three-phase coupler and the PLC gateway, where the association relationship is used for the three-phase coupler to forward a communication signal between the PLC gateway and the smart device.
Sa2, the air conditioning system controls the three-phase coupler to be in a second working state.
The second working state can also be called a silent state, and when the three-phase coupler is in the second working state, the communication signal of the power line carrier communication gateway can be forwarded to the intelligent device on any phase of the three-phase power line, and the communication signal of the intelligent device can be forwarded to the power line carrier communication gateway, so that the power line carrier communication gateway and the intelligent device cannot be informed, the transmission power for transmitting the communication signal is enhanced, and the transmission power of the intelligent device cannot be adjusted.
In some embodiments, after the association relationship between the three-phase coupler and the PLC gateway is established, the initial working state is a silent state, and in the silent state, the air conditioning system controls the three-phase coupler to forward a communication signal between the power line carrier communication gateway and the intelligent device.
The above embodiment includes at least the following advantageous effects: and the air conditioning system responds to the operation of scanning the two-dimensional code of the three-phase coupler by the mobile terminal, and controls the three-phase coupler and the power line carrier communication gateway to establish an association relation, and controls the three-phase coupler to be in a second working state. And when the three-phase coupler is in the second state, the air conditioning system controls the three-phase coupler to forward communication signals between the power line carrier communication gateway and the intelligent equipment. The method enables the process of establishing the association relation between the three-phase coupler and the power line carrier communication gateway to be more convenient and more intelligent. And the three-phase coupler is utilized to forward communication signals between the power line carrier communication gateway and the intelligent equipment, so that the power line carrier communication gateway positioned between different phases can establish communication connection with the intelligent equipment.
In some embodiments, as shown in fig. 8, the operation state of the three-phase coupler includes a silent state and a relay state, and the air conditioning system may perform steps Sb1 to Sb5.
And Sb1, responding to the operation that the mobile terminal scans the two-dimensional code of the three-phase coupler, and adding the three-phase coupler into the household equipment of the user.
And Sb2, controlling the PLC gateway to record relevant information of the three-phase coupler.
And Sb3, controlling the PLC gateway to communicate with the intelligent equipment, wherein the working state of the three-phase coupler is a silent state.
And Sb4, acquiring the communication quality between any two of the PLC gateway, the three-phase coupler and the intelligent equipment, and judging whether to switch the working state of the three-phase coupler according to the communication quality.
Sb5, sending notification information to the mobile terminal; the notification information comprises communication quality between any two of the power line carrier communication gateway, the three-phase coupler and the intelligent device, the working state of the three-phase coupler and the transmitting power of the three-phase coupler for transmitting the communication signal.
The above embodiment includes at least the following advantageous effects: obtaining the communication quality between any two of a power line carrier communication gateway, a three-phase coupler and intelligent equipment; judging whether to switch the working state of the three-phase coupler according to the communication quality, and sending notification information to the mobile terminal; the method can improve the communication quality between any two of the PLC gateway, the three-phase coupler and the intelligent equipment, solve the problems of long distance and low communication quality between the PLC gateway and the intelligent equipment, and ensure the reliability of the whole PLC network communication. And the user of the air conditioning system can acquire the relevant information of the operation of the air conditioning system in real time. Under the condition that the air conditioning system breaks down, users and technical support personnel can conveniently find out the problem of the air conditioning system faults according to the notification information, and then the use experience of the users is improved.
In some embodiments, as shown in fig. 9, when determining whether to switch the operating state of the three-phase coupler, that is, performing step Sb4, the air conditioning system may further perform steps Sc1 to Sc8.
Sc1, controlling the PLC gateway, and enabling the first communication quality D between the PLC gateway and the intelligent equipment i To the three-phase coupler.
Sc2, controlling the three-phase coupler to record second communication quality S between the three-phase coupler and the intelligent equipment i
Sc3, controlling the three-phase coupler to record third communication quality Q between the three-phase coupler and the power line carrier communication gateway i
Sc4, judgment D i 、S i 、Q i Whether a preset quality condition is met or not is D i <B and S i Not less than B and Q i B is more than or equal to B, wherein B is a preset quality threshold.
And Sc5, if the preset quality condition is not met, controlling the working state of the three-phase coupler to be a silent state.
And if the Sc6 meets the preset quality condition, controlling the working state of the three-phase coupler to be a relay state.
And Sc7, in a relay state, controlling the three-phase coupler to forward a communication signal between the PLC gateway and the intelligent equipment with the equipment number i, informing the intelligent equipment with the equipment number i and the power line carrier communication gateway, and enhancing the transmitting power of the sent communication signal and the transmitting power of the self-forwarded communication signal.
Sc8, continuing to execute the step Sc4.
The above embodiment includes at least the following advantageous effects: obtaining the communication quality between any two of a power line carrier communication gateway, a three-phase coupler and intelligent equipment; controlling the three-phase coupler to be in a relay state under the condition that the communication quality meets a preset quality condition; in a relay state, the three-phase coupler can be used for forwarding communication signals between the power line carrier communication gateway and the intelligent device and informing the power line carrier communication gateway and the intelligent device of enhancing the transmitting power for sending the communication signals.
It can be seen that the foregoing describes the solution provided by the embodiments of the present application primarily from a methodological perspective. In order to implement the functions, the embodiments of the present application provide corresponding hardware structures and/or software modules for performing the respective functions. Those of skill in the art will readily appreciate that the various illustrative modules and algorithm steps described in connection with the embodiments disclosed herein may be implemented as hardware or combinations of hardware and computer software. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiment of the present application, the controller may be divided into function modules according to the method example, for example, each function module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. Optionally, the division of the modules in the embodiment of the present application is schematic, and is only a logic function division, and there may be another division manner in actual implementation.
The embodiment of the present application further provides a schematic diagram of a hardware structure of a controller, as shown in fig. 10, the controller 301 includes a processor 401, and optionally, a memory 402 and a communication interface 403, which are connected to the processor 401. The processor 401, memory 402 and communication interface 403 are connected by a bus 404.
The processor 401 may be a Central Processing Unit (CPU), a Network Processor (NP), a Digital Signal Processor (DSP), a microprocessor, a microcontroller, a Programmable Logic Device (PLD), or any combination thereof. The processor 401 may also be any other device with processing functionality such as a circuit, a device or a software module. The processor 401 may also include a plurality of CPUs, and the processor 401 may be a single-core (single-CPU) processor or a multi-core (multi-CPU) processor. A processor herein may refer to one or more devices, circuits, or processing cores that process data (e.g., computer program instructions).
The memory 402 may be a read-only memory (ROM) or other types of static storage devices that can store static information and instructions, a Random Access Memory (RAM) or other types of dynamic storage devices that can store information and instructions, an electrically erasable programmable read-only memory (EEPROM), a compact disk read-only memory (CD-ROM) or other optical disk storage, optical disk storage (including compact disk, laser disk, optical disk, digital versatile disk, blu-ray disk, etc.), a magnetic disk storage medium or other magnetic storage device, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, which are not limited in this embodiment. The memory 402 may be separate or integrated with the processor 401. The memory 402 may have computer program code embodied therein. The processor 401 is configured to execute the computer program code stored in the memory 402, so as to implement the control method provided by the embodiment of the present application.
Communication interface 403 may be used for communicating with other devices or communication networks (e.g., ethernet, radio Access Network (RAN), wireless Local Area Networks (WLAN), etc.).
The bus 404 may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The bus 404 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in FIG. 10, but this is not intended to represent only one bus or type of bus.
The embodiment of the present application further provides a computer-readable storage medium, which includes computer-executable instructions, and when the computer-readable storage medium runs on a computer, the computer is caused to execute any one of the control methods provided by the above embodiments.
The embodiment of the present application further provides a computer program product containing computer executable instructions, which when run on a computer, causes the computer to execute any one of the control methods provided by the above embodiments.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented using a software program, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer-executable instructions. The processes or functions according to the embodiments of the present application are generated in whole or in part when the computer-executable instructions are loaded and executed on a computer. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer executable instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, the computer executable instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). Computer-readable storage media can be any available media that can be accessed by a computer or can comprise one or more data storage devices, such as servers, data centers, and the like, that can be integrated with the media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid State Disk (SSD)), among others.
While the present application has been described in connection with various embodiments, other variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed application, from a review of the drawings, the disclosure, and the appended claims. In the claims, the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. A single processor or other unit may fulfill the functions of several items recited in the claims. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage.
Although the present application has been described in conjunction with specific features and embodiments thereof, it will be evident that various modifications and combinations can be made thereto without departing from the spirit and scope of the application. Accordingly, the specification and drawings are merely illustrative of the present application as defined in the appended claims and are intended to cover any and all modifications, variations, combinations, or equivalents within the scope of the application. It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
The above description is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. An air conditioning system, characterized in that the air conditioning system comprises:
the outdoor unit is used for dissipating heat of the refrigerant compressed by the compressor in the refrigeration mode and absorbing heat of the refrigerant output by the indoor unit in the heating mode;
the power line carrier communication gateway is positioned in the outdoor unit and is used for communicating with intelligent equipment positioned on any phase in the three-phase power line;
the three-phase coupler is used for forwarding the communication signal of the power line carrier communication gateway to the intelligent equipment on any phase of the three-phase power line and forwarding the communication signal of the intelligent equipment to the power line carrier communication gateway;
a controller configured to:
obtaining a plurality of communication qualities between any two of the power line carrier communication gateway, the three-phase coupler and the intelligent device;
under the condition that the communication qualities respectively meet preset quality conditions, controlling the three-phase coupler to be in a first working state; and in the first working state, the three-phase coupler is used for respectively informing the power line carrier communication gateway and the intelligent equipment to enhance the transmitting power for transmitting the communication signal.
2. The air conditioning system of claim 1, wherein the plurality of communication qualities includes a first communication quality between the power line carrier communication gateway and the smart device, a second communication quality between the three-phase coupler and the smart device, and a third communication quality between the three-phase coupler and the power line carrier communication gateway.
3. The air conditioning system of claim 2, wherein the preset quality condition indicates that the first communication quality is less than a preset quality threshold, and the second communication quality and the third communication quality are both greater than or equal to the preset quality threshold.
4. The air conditioning system of claim 1, wherein the controller is further configured to:
and in the first working state, controlling the three-phase coupler to enhance the transmitting power for forwarding the communication signal.
5. The air conditioning system of claim 1, wherein prior to obtaining the plurality of communication qualities between any two of the power line carrier communication gateway, the three-phase coupler, and the smart device, the controller is further configured to:
controlling the three-phase coupler to be in a second working state;
and under the condition that the three-phase coupler is in the second working state, controlling the three-phase coupler to forward the communication signal of the power line carrier communication gateway to the intelligent equipment on any phase of the three-phase power line, and forwarding the communication signal of the intelligent equipment to the power line carrier communication gateway.
6. The air conditioning system of claim 1, wherein the controller is further configured to:
and controlling the three-phase coupler to be in a second working state under the condition that the plurality of communication qualities do not meet the preset quality condition.
7. The air conditioning system of claim 5, wherein prior to the controlling the operating state of the three-phase coupler to the second operating state, the controller is further configured to:
responding to the operation that a mobile terminal scans the two-dimensional code of the three-phase coupler, and controlling the three-phase coupler and the power line carrier communication gateway to establish an association relation; the incidence relation represents that the three-phase coupler is trusted by the power line carrier communication network and is communicated with the three-phase coupler.
8. The air conditioning system of claim 7, wherein the controller is further configured to:
sending notification information to the mobile terminal; the mobile terminal is used for displaying the notification information; the notification information includes a plurality of communication qualities between any two of the power line carrier communication gateway, the three-phase coupler and the intelligent device, an operating state of the three-phase coupler, and transmission power of the three-phase coupler for forwarding the communication signal.
9. The air conditioning system of any of claims 1-8, wherein the three-phase coupler comprises a power line carrier communication module;
the power line carrier communication module is used for detecting a plurality of communication qualities between any two of the power line carrier communication gateway, the three-phase coupler and the intelligent device when the three-phase coupler is in any working state, and is used for adjusting the transmitting power of the three-phase coupler for transmitting the communication signals when the three-phase coupler is in a first working state.
10. A control method of an air conditioning system, comprising:
obtaining a plurality of communication qualities between any two of a power line carrier communication gateway, a three-phase coupler and intelligent equipment; the intelligent device is positioned on any phase of a three-phase power line;
controlling the three-phase coupler to be in a first working state under the condition that the communication qualities respectively meet preset quality conditions; in the first working state, the three-phase coupler is used for forwarding the communication signal of the power line carrier communication gateway to the intelligent device and forwarding the communication signal of the intelligent device to the power line carrier communication gateway, and the three-phase coupler is also used for informing the power line carrier communication gateway and the intelligent device to enhance the transmitting power for transmitting the communication signal.
CN202211497853.1A 2022-09-01 2022-11-25 Air conditioning system and control method thereof Pending CN115711461A (en)

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CN202211497853.1A CN115711461A (en) 2022-11-25 2022-11-25 Air conditioning system and control method thereof
PCT/CN2023/078833 WO2024045523A1 (en) 2022-09-01 2023-02-28 Air conditioning system and control method therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024045523A1 (en) * 2022-09-01 2024-03-07 青岛海信日立空调系统有限公司 Air conditioning system and control method therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024045523A1 (en) * 2022-09-01 2024-03-07 青岛海信日立空调系统有限公司 Air conditioning system and control method therefor

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