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Vehicle anti-theft tracking circuit based on LoRa (long range) radio frequency technology

A technology of vehicle anti-theft and radio frequency technology, which is applied to anti-theft vehicle accessories, vehicle parts, transportation and packaging, etc. It can solve the problems of poor real-time data transmission, potential safety hazards, and high cost of use

Active Publication Date: 2017-05-31
ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing anti-theft tracking products are embedded vehicle anti-theft systems based on GPS+GPRS technology, which rely heavily on the GPRS wireless mobile communication network. Indirectly cause many security risks

Method used

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  • Vehicle anti-theft tracking circuit based on LoRa (long range) radio frequency technology
  • Vehicle anti-theft tracking circuit based on LoRa (long range) radio frequency technology
  • Vehicle anti-theft tracking circuit based on LoRa (long range) radio frequency technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] Such as figure 1 As shown, the vehicle anti-theft tracking circuit based on LoRa radio frequency technology consists of STM8L151C8 low-power processor module, GPS / Beidou dual-star positioning circuit, ACC ignition detection circuit, cut-off relay control circuit, SX1278 radio frequency power amplifier circuit, CC2541 Bluetooth communication circuit, alarm horn Control circuit, low voltage conversion circuit, vibration switch circuit, high voltage conversion circuit.

[0029] Such as figure 2 As shown, the high-voltage conversion circuit mainly includes a fuse F1, capacitors C1, C2, C3, and C4, a step-down power management chip U1, a voltage regulator tube D1, resistors R1, R2, and an inductor L1. The step-down power supply chip U1 adopts the LM2596HV-5V chip. One end of the fuse F1 is connected to the 48V lithium battery input voltage SOURCE, and the other end of the fuse F1 is connected to the pin 1 of the step-down power management chip U1 and the positive pole of t...

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Abstract

The invention relates to a vehicle anti-theft tracking circuit based on a LoRa (long range) radio frequency technology. A power supply part of the vehicle anti-theft tracking circuit is divided into a high voltage transformation circuit and a low voltage transformation circuit, and after a vibration switch detects vibration, the low voltage transformation circuit is switched on to provide low-voltage power supply for a system. STM8L151C8 microcontroller is taken as the core to perform information interaction with a GPS / beidou double-star positioning circuit through a UART serial port and communicates with an SX1278 radio frequency circuit through an SPI, status information of the system is sent to a LoRa base station, and long-distance transmission with low power consumption is realized. An alarm interface is used for accessing a vehicle control terminal, and the terminal initiatively uploads alarm data once a vehicle is stolen. The latest vehicle position and alarm lamp status data are sent with a LoRa wireless transmission technology, so that the effects of real-time vehicle tracking, theft alarm and the like are realized, and vehicle losing is prevented.

Description

technical field [0001] The invention relates to a vehicle anti-theft tracking system based on a new type of long-range LoRa (Long Range) radio frequency technology, specifically a vehicle anti-theft tracking alarm circuit that can realize GPS / Beidou dual-star positioning, remote alarm data upload, low power consumption and low cost . Background technique [0002] With the increase of vehicles, automobiles and electric vehicles have been frequently stolen in recent years, and vehicle safety has become a social problem that needs to be solved urgently. The existing vehicle anti-theft technology can no longer meet the needs of users. As a mobile anti-theft system, the vehicle anti-theft tracking system is widely used in commercial transportation, logistics distribution, enterprise fleets, car rental, intelligent transportation, shipping, emergency command, emergency rescue, military and police safety supervision and other fields. Most of the existing anti-theft tracking produc...

Claims

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Application Information

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IPC IPC(8): B60R25/33
CPCB60R25/33B60R2325/101
Inventor 张美燕周莉萍彭学虎陈丽莉
Owner ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER
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