Communication system and communication method for household electrical appliance and household electrical appliance

Abstract

The invention discloses a communication system and communication method for a household electrical appliance and the household electrical appliance. The communication system comprises a plurality of slave modules, wherein each slave module is equipped with a communication interface, and each communication port is equipped with a receiving end and a transmitting end; and a host module, wherein thehost module is equipped with a communication interface, and the communication port is equipped with the receiving end and the transmitting end. The receiving ends in the communication interfaces of the plurality of slave modules are connected with the transmitting end in the communication interface of the host module. The transmitting ends in the communication interfaces of the plurality of slavemodules are connected with the receiving end in the communication interface of the host module. The host module is used for transmitting broadcast messages to the plurality of slave modules when a system is changed, transmitting triggering messages to the plurality of slave modules and receiving feedback messages fed back by at least one slave module in the plurality of slave modules. On the premise of not improving the production cost, the networking communication between the single host and the plurality of slaves is realized, moreover, the event type communication among the modules is established at the same time, and the communication efficiency is ensured to the greatest extent.

Description

technical field [0001] The present invention relates to the technical field of household appliances, in particular to a communication system of a household appliance, a household appliance and a communication method of the household appliance. Background technique [0002] UART (Universal Asynchronous Receiver / Transmitter, Universal Asynchronous Receiver Transmitter) communication is gradually widely used in control, short-distance interaction and other usage scenarios due to its low physical layer cost, high communication rate and relatively complete verification mechanism. In related technologies, UART communication is usually only used for point-to-point communication. When a system requires information interaction between multiple devices, the information needs to be converted into bus information through a bus transceiver, such as 485, CAN, etc., or through multiple The master unit of each UART resource is connected point-to-point to multiple slave units. However, ther...

AI Technical Summary

Problems solved by technology

However, the problem is that the use of bus transceivers or the use of multiple UART resources in the master unit will cause an increase in production costs

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