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A two-bus communication and power supply MCU system

A two-bus communication and bus technology, applied in the direction of bus network, transmission system, digital transmission system, etc., can solve the problems of inconvenient detection methods and unsatisfactory detection accuracy, and achieve easy construction and wiring, save isolation costs, and save construction and cost. The effect of cable cost

Active Publication Date: 2020-12-18
HANGZHOU BINGJIAN TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, in order to protect people's safe and effective life and work, fire emergency lighting and evacuation indication system, fire fire door monitoring system, fire power supply monitoring system, fire electrical fire system, fire alarm system and intelligent lighting control system etc. Widely used in production and life, all kinds of fire monitoring systems are controlled by MCU, and the existing equipment runs self-test to realize the detection function, the detection method is very inconvenient, and the detection accuracy is not ideal

Method used

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  • A two-bus communication and power supply MCU system
  • A two-bus communication and power supply MCU system
  • A two-bus communication and power supply MCU system

Examples

Experimental program
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Embodiment

[0025] Embodiment: a kind of two bus lines communication and power supply MCU system, as Figure 1-4As shown, it includes an intermediate control module 2, a terminal module 3 and a bus power communication circuit 4, the intermediate control module 2 communicates with the external device 1 through serial port communication, and the intermediate control module 2 communicates with the terminal module through the bus power communication circuit 4 3. Perform communication and power supply connections; the intermediate control module 2 includes a first drive circuit module 5, a first decoding circuit module 6 and a first MCU module 8 with a serial communication module 7;

[0026] The first MCU module 8 is communicatively connected with the external device 1 through the serial port communication module 7, and is used to receive the device instruction of the external device 1, and transmit instruction information to the external device 1 at the same time;

[0027] The first decoding ...

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Abstract

The invention discloses a two-bus communication and power supply MCU system, comprising an intermediate control module, a terminal module and a bus power communication circuit, the intermediate control module communicates with external equipment through serial port communication, and the intermediate control module communicates through the bus power supply The circuit is connected to the terminal module for communication and power supply; the intermediate control module includes a first drive circuit module, a first decoding circuit module and a first MCU module with a serial communication module; the first MCU module communicates with the serial communication module The communication connection of the external equipment is used to receive the equipment instruction of the external equipment, and send the control instruction to the external equipment at the same time; the terminal module includes a RX-TX circuit module, a DC-DC circuit module, an open circuit short circuit detection module, a second drive circuit module and The second MCU module. The invention has the characteristics of high detection precision and good stability.

Description

technical field [0001] The invention relates to the technical field of fire protection, in particular to a two-bus communication and power supply MCU system. Background technique [0002] MCU is called a micro control unit, also known as a single-chip microcomputer or a single-chip microcomputer. It appropriately reduces the frequency and specifications of the central processing unit, and integrates memory, counters, USB, A / D conversion, UART, PLC, DMA and other peripherals. The interface and even the LCD drive circuit are integrated on a single chip to form a chip-level computer, which can be used for different combination controls for different applications. Such as mobile phones, PC peripherals, remote controls, automotive electronics, industrial stepping motors, control of robotic arms, etc., can all be seen with MCUs. In addition, in order to protect people's safe and effective life and work, fire emergency lighting and evacuation indication system, fire fire door moni...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/40H04L12/10
CPCH04L12/40045H04L12/10
Inventor 罗绍仪丁柱颜胜罗圣江
Owner HANGZHOU BINGJIAN TECH CO LTD
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