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Multi-node temperature monitoring system

A monitoring system and multi-node technology, applied in thermometers, transmission systems, signal transmission systems, etc., can solve the problems of complex data processing, poor real-time performance, and difficult application.

Inactive Publication Date: 2018-12-04
FUZHOU ZHUNDIAN INFORMATION TECH CO LTD
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Problems solved by technology

[0004] The detection of TW ACS signals is mainly based on time-domain difference technology. Most of these methods have complex data processing, poor real-time performance, and high equipment costs. Determine whether the signal bit is "1" or "0". Due to the rigor of the calculation, the interference signal will seriously affect the judgment result of the detected signal, so the original method is difficult to apply in our country

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Embodiment Construction

[0051] The circuit structure block diagram of a multi-node temperature monitoring system is as follows: figure 2 shown. It consists of a centralized controller and multiple temperature measuring instruments. The centralized controller is composed of a signal sending end A, a signal receiving end B, a 4G wireless router 2 , a keyboard display module 10 and a microcontroller module 1 . The temperature measuring instrument is composed of a signal sending terminal A, a signal receiving terminal B, a platinum resistance temperature sensor 7 and a microcontroller module 1 . The centralized controller communicates with the temperature measuring instrument through the power line. The terminal is the computer management system located on the top layer, which is composed of 4G wireless router, microcontroller module and computer.

[0052] The hardware structures of the power line communication signal sending end A, signal receiving end B, microcontroller module 1 and power supply mo...

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Abstract

The invention is a multi-node temperature monitoring system and relates to the technical field of communication. In some large breeding seedling experimental bases, it is necessary to observe the temperature change for a long time, and it is necessary to promptly give an alarm if there is a temperature anomaly. Each monitoring area is equipped with a centralized controller. A temperature measuringinstrument uploads measured data to the centralized controller through power line communication. The centralized controller gets access to a mobile wireless communication network through a 4G wireless router. A management worker can understand the temperature in each monitoring area by a mobile phone app wherever he / her is.

Description

(1) Technical field: [0001] The invention relates to a multi-node temperature monitoring system, which includes a centralized controller and various temperature measuring instruments, and uses a power line communication method to send a wide pulse signal to a specific point in the grid cycle voltage crossing 0 area to generate a sudden change current, which is used as a bit value of the signal, The centralized controller receives the data collected by each temperature measuring instrument, and connects to the 4G mobile wireless communication network through a wireless router, so that no matter where you are, you can use mobile phones, computers and handheld mobile devices to realize wireless networking. (two) background technology: [0002] Current power line communication mainly refers to power line carrier communication and two-way power frequency communication. Power line carrier communication PLC uses the existing power line to transmit signals through carrier wave. How...

Claims

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Application Information

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IPC IPC(8): G01K7/18H04B3/54H04L29/08
CPCG01K7/18G01K1/024G08C19/16H04L67/025H04B3/54
Inventor 张金木
Owner FUZHOU ZHUNDIAN INFORMATION TECH CO LTD
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