WO2019196468A1

WO2019196468A1 - Air conditioning unit, air conditioning unit control method, and central coordinator

Info

Publication number: WO2019196468A1
Application number: PCT/CN2018/120657
Authority: WO
Inventors: 邓忠文; 屈成康; 唐杰; 玉维友; 王文灿; 叶铁英; 赖东锋; 张景博
Original assignee: 珠海格力电器股份有限公司
Priority date: 2018-04-13
Filing date: 2018-12-12
Publication date: 2019-10-17
Also published as: CN108800455B; CN108800455A

Abstract

An air conditioning unit, an air conditioning unit control method, and a central coordinator. The air conditioning unit comprises a plurality of air conditioner indoor units and an air conditioner outdoor unit, each of the air conditioner indoor units being provided with a station. The control method comprises: receiving state change data sent by a plurality of stations, the state change data referring to state data recorded when the operation state of the air conditioner indoor units is changed; and if it is determined that the stations corresponding to all the air conditioner indoor units all transmit the state change data, transmitting the state change data of all the air conditioner indoor units to the air conditioner outdoor unit.

Description

Air conditioning unit, air conditioning unit control method and central coordinator

This application claims priority to the Chinese Patent Application of the Chinese Patent Office, Application No. 201810333831.9, and the application name "Air Conditioning Unit, Air Conditioning Unit Control Method and Central Coordinator" on April 13, 2018, the entire contents of which are incorporated by reference. In this application.

Technical field

The invention relates to the field of air conditioning control, and in particular to an air conditioning unit, a control method of an air conditioning unit and a central coordinator.

Background technique

In the related art, for an air conditioning unit, a plurality of communication devices are included, for example, an air conditioner external unit, an air conditioner internal unit, a line controller, a coordinator, and the like, and if the status data of the air conditioner internal unit changes during communication When a status data is sent to the air conditioner, if the status data of multiple internal machines changes at the same time, multiple data will be transmitted simultaneously on the communication line, which will cause a large increase in the amount of data transmission on the bus. The bandwidth of the network is constant. When the amount of data reaches a certain level, communication congestion will occur, the data transmission will be delayed, and even the transmission will not be successful, which will cause the real-time performance of the unit to deteriorate.

At the same time, when analyzing the operation data of the air conditioning system, the air conditioner internal machines often query each other for data, which will cause the communication burden of each air conditioner internal machine, and the data cannot be issued in time.

In view of the above-mentioned related art, since a plurality of data are simultaneously transmitted on a communication line, resulting in an increase in the amount of transmission on the bus and causing communication congestion, an effective solution has not been proposed yet.

Summary of the invention

The embodiment of the invention provides an air conditioning unit, a control method of the air conditioning unit and a central coordinator, so as to at least solve the technical problem that the transmission amount on the bus increases and the communication congestion occurs due to the simultaneous transmission of multiple pieces of data on the communication line.

According to an aspect of an embodiment of the present invention, a control method of an air conditioning unit is provided. The air conditioning unit includes a plurality of air conditioner internal units and an air conditioner external unit, each of the air conditioner internal units is provided with a station, and the control method includes Receiving state change data transmitted by a plurality of stations, wherein the state change data refers to state data recorded when a running state of the air conditioner internal machine changes; if all stations corresponding to the air conditioner internal machine are determined Sending the state change data, the state change data of all the air conditioners are transmitted to the air conditioner.

Optionally, the method further includes: receiving a query instruction sent by the preset station, where the query instruction is used to query air conditioning operation data of the air conditioner internal machine corresponding to the target station, where the preset site and the target site correspond to The air conditioner internals are different; according to the query instruction, the air conditioning operation data of the air conditioner internal unit corresponding to the target station is sent to the preset station.

Optionally, the air conditioning unit further includes a control device and a display device, each of the control device and the display device is correspondingly provided with a site, and the state control method further includes: if it is determined that all the air conditioners are internal The stations all transmit the status change data, and send status change data of all the air conditioners to the control device and/or the display device.

Optionally, the control device includes at least one of the following: a wire controller, a centralized controller, and the display device includes at least: a liquid crystal display.

Optionally, the state change data includes at least one of the following: boot data, shutdown data, and windshield change data.

Optionally, the air conditioning unit uses a power line carrier communication PLC communication network to transmit communication signals.

According to another aspect of the present invention, there is further provided a central coordinator of an air conditioning unit, the central coordinator performing the control method of the air conditioning unit according to any one of the above.

Optionally, the air conditioning unit includes a plurality of air conditioner internal units and an air conditioner external unit, each of the air conditioner internal units is provided with a station, and the station records status change data of the air conditioner internal unit, and the central coordinator and A plurality of said stations perform network communication through a target information bus.

Optionally, the central coordinator is deployed on an air conditioner external unit of the air conditioning unit.

According to another aspect of an embodiment of the present invention, there is also provided an air conditioning unit comprising the central coordinator of any of the above.

In the embodiment of the present invention, the state change data sent by the plurality of stations may be received first, wherein the state change data refers to the state data recorded when the operating state of the air conditioner internal machine changes, and all the air conditioners are determined. When the corresponding stations send the status change data, all the state change data of the air conditioner is sent to the outside air conditioner. That is, in the embodiment of the present invention, the state change data is sent to the air conditioner outside the machine after the state data of all the air conditioners are changed, instead of the transmission status data of the original single strip, so that The number of data transmissions on the communication line is reduced, thereby solving the technical problem that the transmission amount on the bus is increased due to the simultaneous transmission of multiple pieces of data on the communication line, resulting in communication congestion.

DRAWINGS

The drawings described herein are intended to provide a further understanding of the invention, and are intended to be a part of the invention. In the drawing:

1 is a flow chart showing a control method of an air conditioning unit according to an embodiment of the present invention;

2 is a schematic diagram of a state transmission mechanism of an optional air conditioning unit in accordance with the present invention.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is an embodiment of the invention, but not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of the present invention.

It is to be understood that the terms "first", "second" and the like in the specification and claims of the present invention are used to distinguish similar objects, and are not necessarily used to describe a particular order or order. It is to be understood that the data so used may be interchanged where appropriate, so that the embodiments of the invention described herein can be implemented in a sequence other than those illustrated or described herein. In addition, the terms "comprises" and "comprises" and "the" and "the" are intended to cover a non-exclusive inclusion, for example, a process, method, system, product, or device that comprises a series of steps or units is not necessarily limited to Those steps or units may include other steps or units not explicitly listed or inherent to such processes, methods, products or devices.

To facilitate the user's understanding of the present invention, some of the terms or nouns involved in the various embodiments of the present invention are explained below:

PLC, Power Line Communication, power line carrier communication, is a unique communication method for power systems. Power line carrier communication refers to a technology that uses an existing power line to transmit analog or digital signals at high speed through a carrier wave.

CCO, Central Coordinator, central coordinator, used for communication management of PLC communication network.

STA, Station, site, used to record the status data of the device to realize the transmission of status data.

The following embodiments of the present invention can be applied to various air conditioning units. The air conditioning unit can include a plurality of air conditioner internal units and an air conditioner external unit. The number of external units of the air conditioner is not limited, for example, one or more air conditioner units. Each air conditioner in the air conditioning unit may be provided with a station STA, which can record the operation data of the air conditioner internal unit, and send the changed status data to the central coordination when the operating state of the air conditioner internal machine changes. In the device. The central coordinator in the present application can be deployed in an air conditioner external unit, and is connected to the communication bus between the central coordinator and a plurality of stations. In the embodiment of the present invention, the environment for using the air conditioning unit is not specifically limited. For example, in an office area, a factory building, a community, etc., the communication mode of the air conditioning unit in the present application may be performed through a PLC communication network, that is, through an air conditioning unit. The power line between them establishes a communication network and transmits data efficiently. The various embodiments of the present invention are described in detail below.

Embodiment 1

According to an embodiment of the present invention, there is provided an embodiment of a method of controlling an air conditioning unit, and it is noted that the steps illustrated in the flowchart of the accompanying drawings may be performed in a computer system such as a set of computer executable instructions, and Although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in a different order than the ones described herein.

The air conditioning unit in the following embodiments of the present invention uses a power line carrier communication PLC communication network to transmit communication signals.

1 is a flow chart of a control method of an air conditioning unit according to an embodiment of the present invention. The air conditioning unit includes a plurality of air conditioner internal units and an air conditioner external unit, and each air conditioner internal machine is provided with a station, as shown in FIG. step:

Step S102, receiving state change data sent by a plurality of stations, wherein the state change data refers to state data recorded when a running state of the air conditioner internal machine changes.

The site in the present application may refer to a control module, which can be used to record the operation data of each corresponding device, for example, the state data of the air conditioner internal machine, the control command of the wire controller, the control data of the centralized controller, and the present In the invention, the specific content that the site needs to record is not limited, and may include, but is not limited to, status data (including power on, power off, gear position, temperature and humidity, etc.), running time, and the like. After the state change data of the air conditioner is changed, the station corresponding to the air conditioner may send the state change data to the controller or the coordinator. The central coordinator is used as the center of data processing in the present invention, but is not limited to the central coordinator as the center of data processing.

In addition, the data transmitted by the station of the present invention is not limited to the above state change data, and may include, but is not limited to, the model of the air conditioner, the environmental data (including temperature and humidity, gas concentration) detected by the air conditioner.

In an optional implementation manner, the foregoing state change data includes at least one of the following: boot data, shutdown data, and windshield change data.

In step S104, if it is determined that all the stations corresponding to the air conditioners are transmitting status change data, all the state change data of the air conditioners are transmitted to the air conditioners.

In the present invention, when data is transmitted, after all the states of the air conditioners are changed, the state change data of all the air conditioners is transmitted, and the transmission of the individual lines is not performed, and the communication pressure of the communication lines is reduced.

Through the above steps, the state change data sent by the plurality of stations may be received first, wherein the state change data refers to the state data recorded when the operating state of the air conditioner internal machine changes, and determines all the corresponding air conditioners. When the station transmits the status change data, all the status change data of the air conditioner is sent to the outside air conditioner. That is, in the embodiment of the present invention, the state change data is sent to the air conditioner outside the machine after the state data of all the air conditioners are changed, instead of the transmission status data of the original single strip, so that The number of data transmissions on the communication line is reduced, thereby solving the technical problem that the transmission amount on the bus is increased due to the simultaneous transmission of multiple pieces of data on the communication line, resulting in communication congestion.

Optionally, the control method in the embodiment of the present invention further includes: receiving a query instruction sent by the preset station, where the query instruction is used to query air conditioning operation data of the air conditioner internal machine corresponding to the target site, the preset site and the target site. The corresponding air conditioner internal machine is different; according to the query instruction, the air conditioning operation data of the air conditioner internal machine corresponding to the target station is sent to the preset station.

That is, when the corresponding station of the air conditioner internal machine needs to query the status data of other air conditioner internal machines, the query command can be directly sent to the central coordinator, and the central coordinator can receive the query instruction sent by the station, and according to the query instruction, the target is The air conditioning operation data of the air conditioner internal unit corresponding to the station is sent to the preset station. The specific location of the preset site and the target site in the present invention is not limited, and may also be the first site and the second site. These are only descriptions of the site, and do not limit the location and model of the site.

Preferably, the air conditioning unit further includes a control device and a display device, and each control device and the display device are correspondingly provided with a site, and the state control method further includes: if it is determined that all the sites corresponding to the air conditioner are transmitting state change data, All state change data of the air conditioner is sent to the control device and/or the display device.

The control device includes at least one of the following: a wire controller and a centralized controller, and the display device includes at least: a liquid crystal display.

In the embodiment of the present invention, the state change data is sent to the control device and/or the display device, so that the state change data of the air conditioner internal device is notified to the control device or the display device in time, and the control device is notified by the display device.

According to another aspect of an embodiment of the present invention, there is also provided a central coordinator of an air conditioning unit, the central coordinator performing the control method of the air conditioning unit of any of the above.

Optionally, the air conditioning unit comprises a plurality of air conditioner internal units and an air conditioner external unit, each air conditioner internal machine is provided with a site, the site records the state change data of the air conditioner internal machine, and the central coordinator communicates with the plurality of stations through the target information bus. .

Among them, the central coordinator is deployed on the air conditioner outside the air conditioning unit.

Embodiment 2

The following describes the specific arrangement of the air conditioning unit.

2 is a schematic diagram of a state transmission mechanism of an optional air conditioning unit according to the present invention. As shown in FIG. 2, the air conditioning unit may include a plurality of air conditioner internal units, an air conditioner external unit, and a line controller (corresponding to the above Control device), wherein each air conditioner and the line controller correspond to one station, for example, the air conditioner internal machine 1 corresponds to the station 1, the air conditioner internal machine 2 corresponds to the station 2, and the air conditioner internal machine 3 corresponds to the station 4, and the air conditioner The internal machine 4 corresponds to the station 5.

Optionally, in the multi-connected air conditioning system, the central coordinator CCO is deployed on the air conditioner external unit, and the station STA is deployed on the air conditioner internal machine. When the state data of the air conditioner internal machine changes, such as power on, power off, wind speed change, etc., the state change data of the air conditioner internal machine is sent to the central coordinator through the station, and the central coordinator sends the state change to the air conditioner. Control devices and display devices such as the machine and the line controller connected to the station. The control device may be a wire controller. As shown in FIG. 2, the wire controller also corresponds to the site 3.

The multiple stations and the central coordinator in the embodiment of the present invention are connected on the same bus, and perform data transmission through the bus. Optionally, in the control, when all the stations of the air conditioning unit send the state change data, the data of all the stations will be sent out, and if there is no change, the data will not be sent.

In addition, the status data of all the stations in the embodiment of the present invention is stored in the central coordinator CCO. When a certain STA needs some status data, the CCO sends the query command to the CCO (sends the query content), and reads the status data in the CCO. can.

In addition, in the multi-connected air conditioning system in the embodiment of the present invention, the central coordinator can record the status data of all stations STAs. When a certain station wants to acquire data of other stations, it only needs to send a query command to the central coordinator, and then the central The coordinator returns the state data stored in the queried target site to the query site according to the query command, so that the replies of the queried site are no longer needed, the data interaction between the sites is reduced, and the data between the power lines is reduced. Communication, thereby reducing communication pressure.

Optionally, the air conditioner external device in the embodiment of the present invention needs to frequently check the status of each air conditioner internal machine, and record the state data of the air conditioner internal machine stored in each station through the central coordinator, so that the air conditioner external machine can be very convenient to pass. The bus ground obtains the state data of the air conditioner, which greatly reduces the bus load.

The serial numbers of the embodiments of the present invention are merely for the description, and do not represent the advantages and disadvantages of the embodiments.

In the above-mentioned embodiments of the present invention, the descriptions of the various embodiments are different, and the parts that are not detailed in a certain embodiment can be referred to the related descriptions of other embodiments.

In the several embodiments provided by the present application, it should be understood that the disclosed technical contents may be implemented in other manners. The device embodiments described above are only schematic. For example, the division of the unit may be a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, unit or module, and may be electrical or otherwise.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.

The above description is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can also make several improvements and retouchings without departing from the principles of the present invention. It should be considered as the scope of protection of the present invention.

Industrial applicability

The solution provided by the embodiment of the present application can be used to send the state change data of all the air conditioners to the air conditioner. In the technical solution provided by the embodiment of the present application, the state data of all the air conditioners are changed. After that, the state change data is sent to the air conditioner outside, instead of the transmission status data of the original single strip, so that the number of data transmissions on the communication line can be reduced, thereby solving the problem that multiple data are simultaneously transmitted on the communication line. This causes technical problems that increase the amount of transmission on the bus and cause communication congestion.

Claims

A control method for an air conditioning unit, the air conditioning unit includes a plurality of air conditioner internal units and an air conditioner external unit, each of the air conditioner internal units is provided with a station, and the control method includes:

Receiving state change data transmitted by a plurality of stations, wherein the state change data refers to state data recorded when a running state of the air conditioner internal machine changes;

If it is determined that all the stations corresponding to the air conditioners are transmitting the state change data, the state change data of all the air conditioners are transmitted to the air conditioners.
The control method according to claim 1, further comprising:

Receiving a query instruction sent by the preset station, where the query instruction is used to query air conditioning operation data of the air conditioner internal machine corresponding to the target station, and the preset station and the air conditioner internal machine corresponding to the target station are different;

And sending, according to the query instruction, air conditioning operation data of the air conditioner internal unit corresponding to the target station to the preset station.
The control method according to claim 1, wherein the air conditioning unit further comprises a control device and a display device, each of the control device and the display device being correspondingly provided with a site, the state control method further comprising:

If it is determined that all the stations corresponding to the air conditioners transmit the state change data, the state change data of all the air conditioners are sent to the control device and/or the display device.
The control method according to claim 3, wherein the control device comprises at least one of a wire controller and a centralized controller, the display device comprising at least: a liquid crystal display.
The control method according to any one of claims 1 to 4, wherein the state change data includes at least one of: boot data, shutdown data, windshield change data.
The control method according to claim 1, wherein the air conditioning unit uses a power line carrier communication PLC communication network to transmit communication signals.
A central coordinator of an air conditioning unit, the central coordinator performing the control method of the air conditioning unit according to any one of claims 1 to 6.
The central coordinator according to claim 7, wherein said air conditioning unit comprises a plurality of air conditioner internal units and an air conditioner external unit, each of said air conditioner internal units being provided with a station, said station recording said air conditioner internal unit status The data is changed, and the central coordinator communicates with a plurality of the stations via a target information bus.
The central coordinator of claim 7 wherein said central coordinator is deployed on an air conditioning unit of an air conditioning unit.
An air conditioning unit comprising the central coordinator of any one of claims 7 to 9.