Lora switch detector, device switch detection system and square root extraction method for detector

A detector and switch technology, applied in the transmission system, digital transmission system, forward error control, etc., can solve the problems of limited coverage, inability to take into account long-distance and low power consumption, short transmission distance, etc.

Pending Publication Date: 2018-08-17
沈磊
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these wireless technologies have short transmission distance and limited coverage, and cannot meet the requirements of long distance and low power consumption at the same time.

Method used

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  • Lora switch detector, device switch detection system and square root extraction method for detector
  • Lora switch detector, device switch detection system and square root extraction method for detector
  • Lora switch detector, device switch detection system and square root extraction method for detector

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0076] Such as figure 1 It is a structural diagram of the working principle of the present invention. In this specific embodiment, the present invention provides a Lora switch detector, and the switch detector includes a shell, an MCU circuit, a wireless radio frequency unit, a management circuit, a frequency compensation circuit, a Modbus Management control circuit, Bacnet management control circuit, watchdog circuit, external relay circuit, RS232 / RS485 interface, indicator light circuit and power management circuit.

[0077] In a specific embodiment, the housing is box-shaped, such as image 3 Shown is a housing version of the present invention.

[0078] Such as figure 2Shown is the composition diagram of the internal unit of the present invention. The MCU circuit is used to control and manage the normal operation of the entire invention; the wireless radio frequency unit is used for wireless data transmission between the switch detection terminal and the transfer contro...

Embodiment 2

[0111] In another specific embodiment, on the basis of the above-mentioned embodiments, the present invention provides a building intelligent manager that uses the above-mentioned Lora switch detector to detect and control equipment switches in buildings, such as Figure 14 A workflow diagram is shown. The building intelligent manager includes a Lora switch detector, a relay device, and a server; the Lora switch detector is used to obtain the device switch analog quantity and perform wireless data transmission at its detection end and the transfer control end; the relay device and the building The equipment in the object is connected. The purpose of controlling the switch of the device is achieved by controlling the switch of the relay; the server, namely the PC terminal, is connected to the detection terminal of the Lora switch detector, and is used to display and control the switch status transmitted from the device terminal.

[0112] The Lora switch detector includes a det...

Embodiment 3

[0115] In yet another embodiment, in the MCU circuit in the Lora switch detector, the MCU includes an internal processing unit, and the internal processing unit is a core component inside the MCU, and is composed of two parts: an operation component and a control component. The operation unit can complete the arithmetic logic operation of data, bit variable processing and data transmission operation, and the control unit coordinates work according to a certain time sequence, and is a unit for analyzing and executing instructions. Among them, it involves an optimized fast square root algorithm, which can reduce the time consumed by the square root on the MCU by at least 50%, and can process more signal analog quantities in a shorter time, greatly improving the performance of the MCU. work efficiency. The specific algorithm is as follows:

[0116] Use P(X,Y) to represent the Y power of X, and use S[0], S[1], ..., S[m-1] to represent a binary sequence (value 0 or 1), where [x] ...

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PUM

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Abstract

The invention provides a Lora switch detector, a device switch detection system, and a signal processing and signal separation method. The detector comprises a shell, an MCU circuit, a radio frequencyunit, a management circuit, a frequency compensation circuit, a Modbus management control circuit, a Bacnet management control circuit, a watchdog circuit, an external relay circuit, an RS232/RS485 interface, an indicator lamp circuit and power management circuit. The networking device of the Lora switch detector provided by the invention has the advantages of simple structure, stable transmission over a long distance, dynamic network, low power consumption and low cost.

Description

technical field [0001] The invention relates to the technical field of Lora wireless transmission, in particular to a Lora switch detector and a method for detecting and controlling equipment switches in buildings based on the detector. Background technique [0002] In recent years, with the continuous and stable development of my country's national economy and the continuous improvement of people's material living standards, the requirements for the safety, comfort, convenience and intelligence of office, home and entertainment environments have become higher and higher. The world's average building energy consumption accounts for 37% of the total energy consumption, and the energy consumption of people's livelihood, including heating, ventilation, air conditioning, and lighting, accounts for more than 80% of the energy consumption. my country's building energy consumption accounts for about 28% of the country's total energy consumption. , and with the continuous increase in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L1/00H04B1/707H04B1/12
CPCH04B1/12H04B1/707H04L1/004H04L67/125
Inventor 沈磊
Owner 沈磊
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