USB-electrified grain condition detection host with multiple communication manners

Abstract

The invention relates to a USB-electrified grain condition detection host with multiple communication manners. According to the technical scheme, the host comprises an extension set shell and a circuit board mounted in the shell, wherein a control circuit is mounted on the circuit board and comprises a USB power supply module, a CPU processing unit, a serial port communication module, a signal indication module and a host and slave communication module, and the CPU processing unit is connected with the USB power supply module, the serial port communication module, the signal indication moduleand the host and slave communication module respectively. The USB-electrified grain condition detection host is simple in power supply manner and communication manner, easy to operate, strong in adaptive capacity, economical and practical.

Description

technical field [0001] The invention relates to the technical field of grain storage detection, in particular to a USB-powered grain detection host with multiple communication modes. Background technique [0002] Take the grain situation measurement and control system in the grain storage industry as an example. The communication mode between the main machine and the slave machine in the current market is relatively simple, and the power supply method is also relatively complicated. [0003] Power supply mode: the host needs an independent power supply, plus 220V power supply and supporting power adapter; [0004] Communication method: use an independent port, using RS232 communication, but most of the current computers do not have corresponding ports, need to add a USB to RS232 converter; [0005] High power and high cost: At present, other extensions on the market use point-to-point communication with the host, and the power of a single node is relatively large, and the c...

AI Technical Summary

Problems solved by technology

[0005] High power and high cost: At present, other extensions on the market use point-to-point communication with the host, and the power of a single node is relatively large, and the communication is unstable, and the external wiring of the host is complicated, the equipment is relatively large, and the cost is high;

[0006] The master-slave communication mode is single: there is only a single communication mode, which cannot match different devices and has poor adaptability;

[0007] Poor anti-interference ability: When point-to-point wireless communication is used, when external signal interference occurs or the distance between the host and the extension is relatively far, the transmission data will be abnormal

Complicated installation: the wiring between the master and slave is complicated, and the installation of equipment is inconvenient;

Images