Communication circuit based on parallel connection of serial ports

A communication circuit and circuit technology, applied in the detection field, can solve problems such as difficult maintenance of power distribution room, untimely response, increased labor cost and risk factor, etc., and achieve the effect of novel design, reliable data and high accuracy

Pending Publication Date: 2018-02-09
河北新大长远电力科技股份有限公司
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Problems solved by technology

However, at present, the operating parameter detection structure of the switchgear in the power distribution room is all local monitoring, manual reading and management
This traditional super

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  • Communication circuit based on parallel connection of serial ports

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[0017] In order to describe in detail the technical content, structural features, achieved objectives and effects of the present invention, the following is a detailed description in conjunction with the embodiments and accompanying drawings.

[0018] Reference attached figure 1 , The present invention provides a communication circuit based on serial port parallel connection, including a power supply module 1, a voltage stabilizing module 2, a ttl-485 module 3, a master module 4, a slave module 5, a transmission wire 6 and a ttl-usb circuit 7; The power module 1 and the voltage stabilizing module 2 are connected by a transmission wire 6. The master module 4 and the slave module 5 are respectively connected with the voltage stabilizing module 2 by a transmission wire 6, and the ttl-usb circuit 7 and the main module 4 are connected by transmission The wire 6 is connected, the ttl-485 module 3 and the slave module 5 are connected by a transmission wire 6, and the master module 4 and...

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Abstract

The invention discloses a communication circuit based on parallel connection of serial ports. The communication circuit comprises a power supply module, a voltage stabilizing module, a ttl-485 module,a main module, a slave module, transmission wires and a ttl-usb circuit, wherein the power supply module is connected with the voltage stabilizing module through the transmission wire; the main module and the slave module are connected with the voltage stabilizing module through the transmission wires respectively; the ttl-usb circuit is connected with the main module through the transmission wire; the ttl-485 module is connected with the slave module through the transmission wire; and the main module and the slave module are connected through the transmission wire. The product designed in the invention can be automatically detected, manpower inspection is replaced, and most operation of an intelligent system is automatically completed by the system.

Description

technical field [0001] The invention relates to the technical field of detection, in particular to a communication circuit based on serial port parallel connection. Background technique [0002] In order to realize the remote monitoring of the basic parameters of the power distribution room (humidity, water immersion) and the operating parameters of the switchgear (phase voltage, line voltage, current on the high voltage side, phase voltage, line voltage, and current on the low voltage side), realize the operating parameters of the switchgear in the power distribution room In the power distribution room, "microcomputer protection device, three-phase multi-function power meter, water immersion detection, and humidity monitoring" are gradually being used in the management of the power distribution room. However, at present, the operating parameter detection structure of the switchgear in the power distribution room is all local monitoring, and manual reading and management. T...

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Application Information

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IPC IPC(8): H02J13/00
CPCH02J13/0062
Inventor 庞永新于源会李振国
Owner 河北新大长远电力科技股份有限公司
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