阅读说明：本技术 基于声磁检测的防盗装置及系统 (Anti-theft device and system based on acoustic magnetic detection ) 是由 郑敏 魏劲超 魏爽 于 2019-09-06 设计创作，主要内容包括：本发明涉及物品防盗技术,解决了现有防盗装置及系统的防盗效果较差的问题。技术方案概括为：基于声磁检测的防盗装置及系统,用户发现物品被盗后,通过手机等终端设备向防盗装置发送一信号,防盗装置接收到该信号后,从谐振频率库中获取附近的声磁检测仪的谐振频率,然后通过产生相应频率的振动,使附近的声磁检测仪能够检测到自身的存在,附近的声磁检测仪在检测到与自身的谐振频率相匹配的振动频率时进行报警。有益效果是：本发明的防盗效果更好。(the invention relates to an article anti-theft technology, and solves the problem of poor anti-theft effect of the existing anti-theft device and system. The technical scheme is summarized as follows: according to the anti-theft device and the system based on the acousto-magnetic detection, after a user finds that an article is stolen, a signal is sent to the anti-theft device through terminal equipment such as a mobile phone, after the anti-theft device receives the signal, the resonant frequency of a nearby acousto-magnetic detector is obtained from a resonant frequency library, then the nearby acousto-magnetic detector can detect the existence of the acousto-magnetic detector by generating vibration with corresponding frequency, and the nearby acousto-magnetic detector gives an alarm when detecting the vibration frequency matched with the resonant frequency of the acousto-magnetic detector. The beneficial effects are that: the invention has better anti-theft effect.)

1. The anti-theft device based on the acoustic-magnetic detection is installed on an article needing anti-theft, comprises a control module, a communication module and a positioning module, and is characterized by also comprising an acoustic-magnetic label analog circuit module, wherein the control module is respectively connected with the communication module, the positioning module and the acoustic-magnetic label analog circuit module;

A resonant frequency library is prestored in the control module, and the resonant frequency library comprises mounting positions and resonant frequencies corresponding to at least 1 acousto-magnetic detector;

the control module is used for acquiring the corresponding current position through the positioning module after receiving the first control signal through the communication module, searching the resonant frequency of each acousto-magnetic detector with the distance between the current position and the mounting position of each acousto-magnetic detector within a preset range from the resonant frequency library according to the current position and the mounting position corresponding to each acousto-magnetic detector in the resonant frequency library, and controlling the acousto-magnetic label analog circuit module to generate vibration with the frequency matched with the resonant frequency of each acousto-magnetic detector according to the resonant frequency of each searched acousto-magnetic detector.

2. The acoustic-magnetic detection-based anti-theft device according to claim 1, further comprising an alarm module, wherein the control module is connected with the alarm module; the control module is also used for controlling the alarm module to give an alarm after receiving the first control signal through the communication module.

3. The acoustic-magnetic detection-based anti-theft device according to claim 1, wherein the control module is further configured to store the current position obtained each time, process the current position according to the stored historical position to obtain corresponding track information, and then send the track information and the current position to the corresponding terminal device through the communication module.

4. An anti-theft system based on acousto-magnetic detection, characterized by comprising at least 1 terminal device, at least 1 acousto-magnetic detector and at least 1 anti-theft device based on acousto-magnetic detection according to any one of claims 1-3;

The terminal equipment is used for sending a first control signal to a corresponding anti-theft device based on acoustic magnetic detection;

The acousto-magnetic detector is used for sending alarm information after detecting vibration with frequency matched with the resonant frequency of the acousto-magnetic detector.

5. The acousto-magnetic detection based anti-theft system according to claim 4, wherein the terminal device is further configured to receive and display the track information and the current position of the anti-theft device transmitted by the corresponding acousto-magnetic detection based anti-theft device.

Technical Field

the invention relates to an article anti-theft technology, in particular to an article anti-theft technology based on acoustic magnetic detection.

background

The existing anti-theft device is installed on an article needing anti-theft, a user is connected to a short-distance wireless communication module of the anti-theft device through terminal equipment such as a mobile phone, and when the connection state of the short-distance wireless communication module of the anti-theft device is changed from connected to unconnected, the anti-theft device can give an alarm prompt so as to achieve the anti-theft purpose. However, if the user forgets to connect the short-range wireless communication module of the anti-theft device in advance, the anti-theft device cannot give an alarm prompt after the article is lost, and in addition, the current anti-theft device generally adopts an audible and visual alarm mode, the alarm effect is not obvious in places where people are crowded, and the anti-theft device can be further blocked by people, for example, lawless persons can cover an alarm lamp and the like. It can be seen that the existing anti-theft device and system have poor anti-theft effect.

Disclosure of Invention

The invention provides an anti-theft device and an anti-theft system based on acoustic magnetic detection, aiming at solving the problem that the anti-theft effect of the existing anti-theft device and system is poor.

In order to solve the problems, the invention adopts the technical scheme that:

The anti-theft device based on the acoustic-magnetic detection is installed on an article needing to be prevented from being stolen and comprises a control module, a communication module, a positioning module and an acoustic-magnetic label analog circuit module, wherein the control module is respectively connected with the communication module, the positioning module and the acoustic-magnetic label analog circuit module;

A resonant frequency library is prestored in the control module, and the resonant frequency library comprises mounting positions and resonant frequencies corresponding to at least 1 acousto-magnetic detector;

The control module is used for acquiring the corresponding current position through the positioning module after receiving the first control signal through the communication module, searching the resonant frequency of each acousto-magnetic detector with the distance between the current position and the mounting position of each acousto-magnetic detector within a preset range from the resonant frequency library according to the current position and the mounting position corresponding to each acousto-magnetic detector in the resonant frequency library, and controlling the acousto-magnetic label analog circuit module to generate vibration with the frequency matched with the resonant frequency of each acousto-magnetic detector according to the resonant frequency of each searched acousto-magnetic detector.

As a further optimization, the anti-theft device based on the acoustic magnetic detection further comprises an alarm module, and the control module is connected with the alarm module; the control module is also used for controlling the alarm module to give an alarm after receiving the first control signal through the communication module.

As a further optimization, the control module is further configured to store the current position obtained each time, process the current position according to the stored historical position to obtain corresponding track information, and then send the track information and the current position to the corresponding terminal device through the communication module.

The anti-theft system based on the acoustic magnetic detection comprises at least 1 piece of terminal equipment, at least 1 piece of acoustic magnetic detector and at least 1 piece of anti-theft device based on the acoustic magnetic detection;

The terminal equipment is used for sending a first control signal to a corresponding anti-theft device based on acoustic magnetic detection;

The acousto-magnetic detector is used for sending alarm information after detecting vibration with frequency matched with the resonant frequency of the acousto-magnetic detector.

as a further optimization, the terminal device is further configured to receive and display the track information and the current position of the anti-theft device sent by the corresponding anti-theft device based on the acousto-magnetic detection.

the beneficial effects are that: based on the acousto-magnetic detection technology, after a user sends a corresponding control signal to the anti-theft device, the anti-theft device can acquire the resonant frequency of the nearby acousto-magnetic detector from the resonant frequency library, and then the nearby acousto-magnetic detector can detect the existence of the anti-theft device by generating vibration with corresponding frequency, so that the nearby acousto-magnetic detector gives an alarm. The short-distance wireless communication module can trigger alarm when a user forgets to connect the short-distance wireless communication module of the anti-theft device in advance, and the alarm is given through the nearby acoustic-magnetic detector, so that the alarm is stronger, and lawless persons dare not to destroy the acoustic-magnetic detector to block the alarm, and the anti-theft effect is better.

Detailed Description

The technical solution of the present invention is further explained below.

On one hand, the invention provides an anti-theft device based on acoustic magnetic detection, which is arranged on an article needing to be prevented from being stolen and comprises a control module, a communication module, a positioning module and an acoustic magnetic label analog circuit module, wherein the control module is respectively connected with the communication module, the positioning module and the acoustic magnetic label analog circuit module;

A resonance frequency library is prestored in the control module, and the resonance frequency library comprises installation positions and resonance frequencies corresponding to at least 1 acousto-magnetic detector;

The control module is used for acquiring a corresponding current position through the positioning module after receiving the first control signal through the communication module, searching the resonant frequency of each acousto-magnetic detector with the distance between the current position and the mounting position of the acousto-magnetic detector within a preset range from the resonant frequency library according to the current position and the mounting position corresponding to each acousto-magnetic detector in the resonant frequency library, and controlling the acousto-magnetic label analog circuit module to generate vibration with the frequency matched with the resonant frequency of each acousto-magnetic detector according to the resonant frequency of each searched acousto-magnetic detector.

on the other hand, the invention provides an anti-theft system based on acoustic-magnetic detection, which comprises at least 1 terminal device, at least 1 acoustic-magnetic detector and at least 1 anti-theft device based on acoustic-magnetic detection;

The terminal equipment is used for sending a first control signal to a corresponding anti-theft device based on acoustic magnetic detection;

the acousto-magnetic detector is used for sending alarm information after detecting vibration with frequency matched with the resonant frequency of the acousto-magnetic detector.

the working principle of the invention is as follows: after finding that the article is stolen, a user sends a signal to the anti-theft device through terminal equipment such as a mobile phone, the anti-theft device receives the signal and obtains the resonant frequency of the nearby acoustic-magnetic detector from the resonant frequency library, then the nearby acoustic-magnetic detector can detect the existence of the user through generating vibration with corresponding frequency, and the nearby acoustic-magnetic detector gives an alarm when detecting the vibration frequency matched with the resonant frequency of the user.

The anti-theft device and the system based on the acoustic magnetic detection are further optimized, and specifically, the following steps are performed:

on one hand, the anti-theft device based on the acoustic magnetic detection can also comprise an alarm module, and the control module is connected with the alarm module; the control module is also used for controlling the alarm module to give an alarm after receiving the first control signal through the communication module. The alarm module of the anti-theft device can give an alarm, so that the anti-theft effect can be further improved.

On one hand, the control module of the anti-theft device based on the acoustic magnetic detection can also be used for storing the current position acquired each time, processing the current position according to the stored historical position to obtain corresponding track information, and then sending the track information and the current position to corresponding terminal equipment through the communication module. Correspondingly, the terminal equipment is also used for receiving and displaying the track information and the current position of the anti-theft device sent by the corresponding anti-theft device based on the acousto-magnetic detection. Through the scheme, the user can check the track information and the current position information of the stolen goods through the terminal equipment such as the mobile phone, and the stolen goods can be conveniently tracked.