CN105843046B

CN105843046B - Intelligent household electrical appliance master control communication method and system

Info

Publication number: CN105843046B
Application number: CN201610154295.7A
Authority: CN
Inventors: 周永健
Original assignee: Sichuan Changhong Electric Co Ltd
Current assignee: Sichuan Changhong Electric Co Ltd
Priority date: 2016-03-17
Filing date: 2016-03-17
Publication date: 2020-03-17
Anticipated expiration: 2036-03-17
Also published as: CN105843046A

Abstract

The invention discloses an intelligent household electrical appliance master control communication method and a system, comprising the following steps: the intelligent chip sends a device judgment instruction to a traditional chip, the traditional chip returns parameter data of the traditional chip to the intelligent chip according to the judgment instruction, and the intelligent chip determines to adopt a corresponding serial port protocol according to the data returned by the traditional chip; the intelligent chip sends an inquiry instruction to the traditional chip at regular time to inquire the running state of the equipment; the traditional chip sends the current equipment running state to the intelligent chip after receiving the query instruction; and the intelligent chip sends information for processing the intelligent instruction into a basic control instruction to the traditional chip according to the running state of the equipment and then the information is executed by the traditional chip. The invention solves the technical problem of larger communication difference between the traditional chip and the intelligent chip, enables the master control communication of the intelligent household electrical appliance equipment of each manufacturer to be compatible, and is beneficial to the development of intelligent technology.

Description

Intelligent household electrical appliance master control communication method and system

Technical Field

The invention relates to the technical field of serial port communication, in particular to a method and a system for master control communication in intelligent household electrical appliance equipment.

Background

More and more products of the internet of things are going into our lives, and intelligent household appliances and the like become a part of our lives.

Air conditioners, refrigerators and various small household appliances are added to large intelligent household appliances at a time, but at present, master control communication among household appliances of various manufacturers, namely communication between a traditional chip and an intelligent chip is greatly different and incompatible, so that development of intelligent products is hindered.

The country also proposes a related national standard draft to standardize the way of master control communication and promote the development of intelligent household appliance technology, but as the national standard, a compatible parallel package is needed, and in actual conditions, a compatible but non-redundant communication protocol conforming to the national standard needs to be formulated.

Disclosure of Invention

The invention overcomes the defects of the prior art, provides an intelligent household appliance master control communication method and system, and is used for solving the technical problems that the communication difference between the traditional chip and the intelligent chip is large and the traditional chip and the intelligent chip are incompatible.

In view of the above problems of the prior art, according to one aspect of the present disclosure, the following technical solutions are adopted in the present invention:

an intelligent household electrical appliance master control communication method comprises the following steps:

the intelligent chip sends a device judgment instruction to a traditional chip, the traditional chip returns parameter data of the traditional chip to the intelligent chip according to the judgment instruction, and the intelligent chip determines to adopt a corresponding serial port protocol according to the data returned by the traditional chip;

the intelligent chip sends an inquiry instruction to the traditional chip at regular time to inquire the running state of the equipment;

the traditional chip sends the current equipment running state to the intelligent chip after receiving the query instruction;

and the intelligent chip sends information for processing the intelligent instruction into a basic control instruction to the traditional chip according to the running state of the equipment and then the information is executed by the traditional chip.

In order to better realize the invention, the further technical scheme is as follows:

according to one embodiment of the invention, the intelligent chip and the traditional chip judge whether the running state and the communication of the other side are normal or not through a timed query instruction.

According to another embodiment of the invention, the intelligent chip sends the query instruction to the traditional chip at a timing of 0.5 s.

The invention can also be:

the utility model provides an intelligence household electrical appliances master control communication system which characterized in that it includes intelligent chip and traditional chip, the instruction that is used for the operation between intelligent chip and the traditional chip contains master control communication protocol, master control communication protocol includes:

the device judgment protocol module is used for controlling the intelligent chip to send a judgment instruction to the traditional chip in the main control communication initialization process, and the traditional chip returns the type and the model of the device to the intelligent chip according to the received judgment instruction;

the control protocol module is used for packaging a control instruction into a communication packet according to the national standard protocol standard under the condition that the intelligent chip needs to change the state of the household appliance, and sending the communication packet to the traditional chip through a serial port, and the state of the household appliance is changed after the traditional chip is analyzed;

the query protocol module is used for packaging the query instruction into a communication packet according to the national standard protocol standard and sending the communication packet to the traditional chip through a serial port;

and the reporting protocol module is used for packaging the running state of the household appliance into a communication packet by the traditional chip according to the national standard protocol standard, sending the communication packet to the intelligent chip through the serial port, and storing the state of the household appliance after the intelligent chip analyzes the communication packet.

Compared with the prior art, the invention has the following beneficial effects:

the intelligent household appliance master control communication method and system are suitable for intelligent products such as air conditioners, refrigerators, smoke stoves and various small household appliances, solve the technical problem of large communication difference between the traditional chip and the intelligent chip, enable the master control communication of the intelligent household appliance equipment of various manufacturers to be compatible and are beneficial to the development of intelligent technology.

Drawings

For a clearer explanation of the embodiments or technical solutions in the prior art of the present application, the drawings used in the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only references to some embodiments in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic diagram illustrating a master communication workflow according to an embodiment of the present invention.

Fig. 2 is a schematic diagram illustrating a master communication command protocol according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.

Example 1

As shown in fig. 1, a method for intelligent home appliance master control communication includes:

initializing a serial port, and automatically selecting serial port configuration corresponding to a traditional chip by an intelligent chip;

secondly, the intelligent chip sends a device judgment instruction to the traditional chip, and the configuration and instruction protocol of the corresponding product are determined according to the data returned by the traditional chip;

step three, the intelligent chip processes the intelligent instruction into a basic control instruction to be sent to a traditional chip for execution;

step four, the intelligent chip sends an inquiry instruction to the traditional chip at regular time (0.5s) to inquire the running state of the equipment;

step five, the traditional chip sends the current equipment running state to the intelligent chip after receiving the query instruction;

and step six, the intelligent chip and the traditional chip judge whether the running state and the communication of the opposite side are normal or not through the timing query instruction, and if the fault is monitored, the fault processing operation such as restarting or reconnection is carried out.

Example 2

The intelligent household appliance master control communication protocol conforming to the national standard is a serial communication protocol between an intelligent control chip and a traditional control chip, and comprises an equipment judgment protocol, a control protocol, an inquiry protocol and a reporting protocol.

The intelligent control Chip, namely a System On Chip (SOC), is mainly used for storing and processing the running state, control logic and intelligent logic of the household electrical appliance.

The conventional control chip, i.e. a Micro Controller Unit (MCU), is mainly used for processing the basic control of the home appliance and the running state of the home appliance.

Device determination protocol: the SOC sends a specific format instruction to the MCU in the process of main control communication initialization, and the MCU returns the type and model of equipment to the SOC so as to facilitate the next communication to adopt a corresponding protocol.

The control protocol comprises the following steps: the SOC encapsulates the state of the household appliance needing to be changed into a communication packet according to the national standard protocol standard, the communication packet is sent to the MCU through the serial port, and the MCU changes the state of the household appliance after analysis.

And (3) query protocol: the SOC encapsulates a specific instruction state into a communication packet according to the national standard protocol standard, and sends the communication packet to the MCU through the serial port.

Reporting protocol: after the behaviors, the MCU encapsulates all the running states of the household appliance into communication packets according to the national standard protocol standard, and sends the communication packets to the SOC through the serial port, and the SOC stores the states of the household appliance after analysis.

Serial port communication: serial communication technology established according to the requirements of national standard hardware and software.

Example 3

As shown in fig. 2, the specific communication protocol content of the technical solution of the present invention is further elaborated:

frame head: byte1+ Byte2 indicates the start of a frame with content 0xF 40 xF5 and a header length of 2 bytes.

Frame type: a frame indicating the type of the frame, and the query instruction is used for querying the current operation state of the equipment; setting instructions for controlling command sending and state returning; the device determination is used to determine the current device type and model.

Frame length: the number of bytes of the length of the whole frame, the query instruction is 7 bytes, the device judges that the instruction is 5 bytes, and the setting instruction is determined according to the situation.

Equipment type, specific model: and after the SOC terminal sends the query instruction, the type and the specific model of the current equipment are obtained from the MCU terminal.

The instruction type: setting the type of the instruction, and setting the type of the instruction into a single state, a multi-state and a full state.

Number of instructions: and setting the number of basic control commands in the command.

The content is as follows: and setting the content of the basic control command in the instruction. The single-state instruction comprises a command unit, namely a command serial number (1 byte), a byte n (1 byte) occupied by a command code and the command code (n byte); the multi-state instruction includes a plurality of command units; the full state instruction contains all command units.

Checking: all previous bytes are added and no overflow is calculated.

The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure and claims of this application. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. An intelligent household electrical appliance master control communication method is characterized by comprising the following steps:

the intelligent chip sends information for processing the intelligent instruction into a basic control instruction to the traditional chip according to the running state of the equipment and then the information is executed by the traditional chip;

the intelligent chip and the traditional chip judge whether the running state and the communication of the other side are normal or not through a timed query instruction;

the main control communication protocol content between the intelligent chip and the traditional chip specifically comprises the following steps: frame head, frame type, frame length, equipment type, specific model, instruction type, instruction number, control command content in the instruction and verification.

2. The intelligent household appliance master control communication method according to claim 1, wherein the intelligent chip sends the query instruction to the traditional chip at a timing of 0.5 s.

3. The utility model provides an intelligence household electrical appliances master control communication system which characterized in that it includes intelligent chip and traditional chip, the instruction that is used for the operation between intelligent chip and the traditional chip contains master control communication protocol, master control communication protocol includes:

the reporting protocol module is used for packaging the running state of the household appliance into a communication packet according to the national standard protocol standard by the traditional chip, sending the communication packet to the intelligent chip through a serial port, and storing the state of the household appliance after the intelligent chip analyzes the communication packet;