Automobile intelligent alarm system

An intelligent alarm and automobile technology, applied in alarms, vehicle parts, anti-theft vehicle accessories, etc., can solve problems such as installation, high service costs, few applications in ordinary families, easy to be intercepted or crack passwords, etc., to achieve Save the cost of use, improve intelligence and safety, and facilitate the application

Inactive Publication Date: 2010-01-20
DALIAN JIAOTONG UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The products in the first stage are mainly mechanical locks, which are the most primitive anti-theft products; the second stage is electronic anti-theft locks, whose passwords are transmitted by infrared rays, which are easy to be intercepted or cracked; the third stage is intelligent anti-theft products, such as Digital anti-theft locks, fingerprint anti-theft locks, etc., have made great progress compared with previous products, but because the anti-theft initiative is n

Method used

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  • Automobile intelligent alarm system
  • Automobile intelligent alarm system
  • Automobile intelligent alarm system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Such as figure 1 As shown, an automobile intelligent alarm system is composed of a keyboard circuit 1, an auxiliary control center 2, a main control center 4, a three-axis acceleration signal detection circuit 5, a GSM communication module 6, a voltage adjustment circuit 7 and a power supply circuit 8; the main control The center 4 is connected with the auxiliary control center 2, the triaxial acceleration signal detection circuit 5 and the GSM communication module 6, the auxiliary control center 2 is connected with the keyboard circuit 1, the input end of the voltage adjustment circuit 7 is connected with the power supply circuit 8, and the output The terminals are connected with each circuit and module, the main control center 4 and the auxiliary control center 2. The system can also be provided with a loudspeaker circuit 3 which is connected to the auxiliary control center 2 . The main control center 4 is provided with a main control program, and the auxiliary contr...

Embodiment 2

[0040] The working method of the intelligent alarm system described in embodiment 1 is: the vibration signal of triaxial acceleration signal detection circuit 5 gathering car body, as Figure 8 As shown, the main control program of the main control center 4 analyzes and processes the vibration signal according to the following steps:

[0041] Step 1: Receive the vibration signal input by the triaxial acceleration signal detection circuit 5 .

[0042] Step 2: Power on the auxiliary control center 2 and the GSM communication module 6 by applying a high level to the base of the switching transistor in the voltage adjustment circuit 7 .

[0043] Step 3: Digitally filter the vibration signal to eliminate various interferences added to the signal.

[0044] Step 4: Analyze the direction of each axis on the vibration signal to determine the force direction of the car body. The main control program defines 26 directions, and Figure 9 shows a schematic diagram of 19 directions, and the ...

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Abstract

The invention relates to an automobile intelligent alarm system, and provides an automobile alarm system with more complete functions, more humanization and low use cost, aiming at the defects of low intelligence, security and convenience and high price of the traditional alarm device. The system comprises a power circuit, a main control center, an auxiliary control center, a signal detection circuit, a GSM communication module, a keyboard circuit, a loudspeaker circuit and a voltage regulation circuit. The signal detector circuit can collect vibration signals of three axial directions, namely X axis, Y axis and Z axis; the main control center judges the state of a vehicle body and the danger level by analyzing and processing the signals, and control the GSM communication module to send alarm short message to the user and call the user, thereby significantly improving the security. Alarm products using the automobile intelligent alarm system of the invention do not need special installation, and also do not need to set monitoring centers and service agencies, thereby saving use cost and being applicable to the utilization of general ordinary users.

Description

technical field [0001] The invention relates to an automobile alarm system, in particular to an automobile alarm system using GSM technology. Background technique [0002] Car alarm products have gone through several stages of development according to different technologies and targets. The products in the first stage are mainly mechanical locks, which are the most primitive anti-theft products; the second stage is electronic anti-theft locks, whose passwords are transmitted by infrared rays, which are easy to be intercepted or cracked; the third stage is intelligent anti-theft products, such as Digital anti-theft locks, fingerprint anti-theft locks, etc., have made great progress compared with previous products, but because the anti-theft initiative is not strong enough, the owner cannot timely understand the status of the vehicle; the fourth stage is to use GPS satellite positioning technology and GSM technology , to provide car owners with a full range of proactive servi...

Claims

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Application Information

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IPC IPC(8): B60R25/00B60R25/10G08B25/00B60R25/102
Inventor 姚世选李宝良苑宇李夏
Owner DALIAN JIAOTONG UNIVERSITY
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