CN-116192197-B - Carrier communication method, device and system

CN116192197BCN 116192197 BCN116192197 BCN 116192197BCN-116192197-B

Abstract

The application discloses a carrier combiner, a carrier communication method, a carrier communication device and a carrier communication system. The carrier combiner comprises a first power carrier module, a second power carrier module and a master control, wherein the first power carrier module is connected with a sub power line and is used for transmitting a first carrier signal through the sub power line, the first carrier signal is obtained by modulating communication information into a carrier signal with a first frequency, the first frequency is the communication frequency of the sub power line, the second power carrier module is connected with a main power line and is used for transmitting a second carrier signal through the main power line, the second carrier signal is obtained by modulating the communication information into a carrier signal with a second frequency, the second frequency is the communication frequency of the main power line, and the master control is respectively connected with the first power carrier module and the second power carrier module and is used for controlling the power carrier module to demodulate and modulate the communication information. The application can solve the technical problem of higher communication complexity in industrial application.

Inventors

Tan Jinmo
CHEN HAIWEI
WEI GUOQUAN

Assignees

珠海格力电器股份有限公司

Dates

Publication Date: 20260505
Application Date: 20221220

Claims (11)

1. A carrier communication system, comprising: The system comprises a first communication terminal, a second communication terminal and a communication terminal, wherein the first communication terminal is one of a host machine and a slave machine; The sub-power line is connected with the first communication end and is used for transmitting a first carrier signal, wherein the first carrier signal is obtained by modulating communication information into a carrier signal with a first frequency, and the first frequency is the communication frequency of the sub-power line; The first carrier wave confluence device is connected with the first communication end through a sub-power line; The main power line is connected with the first carrier combiner and is used for transmitting a second carrier signal, wherein the second carrier signal is obtained by modulating the communication information into a carrier signal with a second frequency, and the second frequency is the communication frequency of the main power line; The first carrier combiner includes: The first power line carrier module is connected with the sub power line and is used for transmitting a first carrier signal through the sub power line, wherein the first carrier signal is obtained by modulating communication information into a carrier signal with a first frequency, and the first frequency is the communication frequency of the sub power line; the second power line carrier module is connected with the main power line and is used for transmitting a second carrier signal through the main power line, wherein the second carrier signal is obtained by modulating the communication information into a carrier signal with a second frequency, and the second frequency is the communication frequency of the main power line; and the main control is respectively connected with the first power carrier module and the second power carrier module and is used for controlling demodulation and modulation of the communication information.
2. The carrier communication system of claim 1, wherein the master is further configured to: Modulating the communication information demodulated from the first carrier signal to obtain the second carrier signal under the condition that the first power carrier module receives the first carrier signal through the sub-power line, and indicating the second power carrier module to send the second carrier signal through the main power line; and under the condition that the second power carrier module receives the second carrier signal through the main power line, modulating the communication information demodulated from the second carrier signal to obtain the first carrier signal, and indicating the first power carrier module to send the first carrier signal through the sub power line.
3. The carrier communication system according to claim 1 or 2, wherein the first carrier combiner further comprises: the clock module is connected with the master control and is used for performing clock synchronization; The storage module is connected with the main control and used for caching the communication information, and the cached communication information is taken out according to a preset sending priority and sent out through the sub power line or the main power line after being modulated; And the power supply module is connected with the main control and is used for supplying power.
4. The carrier communication system of claim 1, wherein, The first communication end, the sub-power lines and the first carrier wave converging devices are all multiple, and each first carrier wave converging device is connected with one first communication end through one sub-power line.
5. The carrier communication system of claim 1, wherein the carrier communication system further comprises: The system comprises a plurality of second communication terminals and a plurality of second carrier wave converging devices, wherein each second carrier wave converging device is connected with one second communication terminal through one sub-power line, each second carrier wave converging device is also connected with the main power line, the second communication terminal is the other one of the host computer and the slave computer, and the second carrier wave converging device has the same structure as the first carrier wave converging device.
6. The carrier communication system of claim 5, wherein the first communication terminal is a master and the second communication terminal is a slave, Each host sends an information matching frame to the corresponding first carrier converging device, and the first carrier converging device returns a matching response frame under the condition that the information matching frame is received, wherein the matching response frame is used for indicating that sub-power line communication between the host and the first carrier converging device is normal; One first carrier confluence device sends a time synchronization frame to other first carrier confluence devices, and the first carrier confluence device which receives the time synchronization frame returns a synchronization response frame so as to complete clock synchronization; And one first carrier converging device sends a link detection frame to the second carrier converging device, the second carrier converging device which receives the link detection frame returns a detection response frame, the first carrier converging device sends communication link information frames to the other first carrier converging devices, and the first carrier converging device which receives the communication link information frames returns a link information response frame.
7. A carrier communication method applied to the carrier communication system according to any one of claims 1 to 6, the method comprising: Receiving a first carrier signal of a first communication terminal through a sub-power line, wherein the first carrier signal is obtained by modulating communication information into a carrier signal with a first frequency, the first frequency is the communication frequency of the sub-power line, and the first communication terminal is one of a host machine and a slave machine; modulating the communication information demodulated from the first carrier signal into a carrier signal of a second frequency to obtain a second carrier signal, wherein the second frequency is the communication frequency of the main power line; And transmitting the second carrier signal to a second communication terminal through the main power line, wherein the second communication terminal is the other one of the host and the slave.
8. The carrier communication method according to claim 7, wherein modulating the communication information demodulated from the first carrier signal into a carrier signal of a second frequency to obtain a second carrier signal, comprises: caching the communication information demodulated from the first carrier signal to a storage module; and reading the communication information from the storage module according to a preset sending priority, and modulating the communication information into a carrier signal of a second frequency to obtain the second carrier signal.
9. A carrier communication apparatus applied to the carrier communication system according to any one of claims 1 to 6, the apparatus comprising: The receiving unit is used for receiving a first carrier signal of a first communication end through a sub-power line, wherein the first carrier signal is obtained by modulating communication information into a carrier signal with a first frequency, the first frequency is the communication frequency of the sub-power line, and the first communication end is one of a master machine and a slave machine; A modulating unit, configured to modulate the communication information demodulated from the first carrier signal into a carrier signal with a second frequency, to obtain a second carrier signal, where the second frequency is a communication frequency of the main power line; And the transmitting unit is used for transmitting the second carrier signal to a second communication end through the main power line, wherein the second communication end is the other one of the host and the slave.
10. A computer readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements the method according to any of claims 7 to 8.
11. An electronic device, comprising: One or more processors; Storage means for storing one or more programs which when executed by the one or more processors cause the one or more processors to implement the method of any of claims 7 to 8.

Description

Carrier communication method, device and system Technical Field The present application relates to the field of communications technologies, and in particular, to a carrier combiner, a carrier communication method, a device, and a system. Background In industrial application, most wired communication still uses a mature bus communication mode based on RS485, CAN and the like, communication wires are required to be newly erected, wiring and development complexity and cost are increased, and the scheme is high in complexity and poor in compatibility. Aiming at the technical problem of high communication complexity in the industrial application, no effective solution is proposed at present. Disclosure of Invention The embodiment of the application provides a carrier combiner, a carrier communication method, a carrier communication device and a carrier communication system, which are used for solving the technical problem of high communication complexity in industrial application. In order to solve the technical problems, according to one aspect of the embodiment of the application, a carrier combiner is provided, which comprises a first power carrier module, a second power carrier module and a master control, wherein the first power carrier module is connected with a sub-power line and is used for transmitting a first carrier signal through the sub-power line, the first carrier signal is obtained by modulating communication information into a carrier signal with a first frequency, the first frequency is the communication frequency of the sub-power line, the second power carrier module is connected with a main power line and is used for transmitting a second carrier signal through the main power line, the second carrier signal is obtained by modulating the communication information into a carrier signal with a second frequency, the second frequency is the communication frequency of the main power line, and the master control is respectively connected with the first power carrier module and the second power carrier module and is used for controlling the power carrier module to demodulate and modulate the communication information. Optionally, the master control is further configured to modulate the communication information demodulated from the first carrier signal to obtain the second carrier signal and instruct the second power carrier module to transmit the second carrier signal through the main power line when the first power carrier module receives the first carrier signal through the sub power line, and modulate the communication information demodulated from the second carrier signal to obtain the first carrier signal and instruct the first power carrier module to transmit the first carrier signal through the sub power line when the second power carrier module receives the second carrier signal through the main power line. Optionally, the carrier wave converging device further comprises a clock module connected with the main control and used for clock synchronization, a storage module connected with the main control and used for caching the communication information, the cached communication information is taken out according to a preset sending priority and sent out through the sub power line or the main power line after being modulated, and a power supply module connected with the main control and used for supplying power. According to another aspect of the embodiment of the application, a carrier communication system is provided, which comprises a first communication end, a sub-power line, a first carrier combiner and a main power line, wherein the first communication end is one of a master machine and a slave machine, the sub-power line is connected with the first communication end and is used for transmitting a first carrier signal, the first carrier signal is obtained by modulating communication information into a carrier signal with a first frequency, the first frequency is the communication frequency of the sub-power line, the first carrier combiner is connected with the first communication end through the sub-power line and is the carrier combiner, and the main power line is connected with the first carrier combiner and is used for transmitting a second carrier signal, the second carrier signal is obtained by modulating the communication information into a carrier signal with a second frequency, and the second frequency is the communication frequency of the main power line. Optionally, the first communication end, the sub-power line and the first carrier wave converging device are all multiple, and each first carrier wave converging device is connected with one first communication end through one sub-power line. Optionally, the carrier communication system further comprises a plurality of second communication ends and a plurality of second carrier confluence devices, each second carrier confluence device is connected with one second communication end through one sub-power line, each second carrier