CN201061173Y

CN201061173Y - Anti-theft device of apparatus

Info

Publication number: CN201061173Y
Application number: CNU2007201432281U
Authority: CN
Inventors: 孙剑灵; 霍伟
Original assignee: HENGJIWEIYE INVESTMENT DEVELOPMENT Co Ltd BEIJING
Current assignee: HENGJIWEIYE INVESTMENT DEVELOPMENT Co Ltd BEIJING
Priority date: 2007-04-13
Filing date: 2007-04-13
Publication date: 2008-05-14
Anticipated expiration: 2017-04-13

Abstract

The utility model relates to an equipment antitheft device remote controlled through a mobile phone, which belongs to the technical field of the vehicle mobile phone equipment. The motor vehicle antitheft alarm system remote controlled through mobile communication terminals, for example, a mobile phone, comprises the mobile phone and an antitheft apparatus. The antitheft apparatus is positioned at any position in the motor vehicle. The antitheft device mainly comprises a motor vehicle monitoring circuit, a GSM/GPRS transmitting circuit, and other circuits. The utility model is characterized in that the working state of the vehicle is monitored by utilizing a sensor technology, the antitheft device exchanges information with a corresponding host machine through an SMS/GPRS form, and thereby the antitheft monitoring, the listening, and other functions of the motor vehicle can be realized. The utility model can accurately identify various working states of the vehicle, and can reduce the assembly cost of the antitheft device.

Description

Equipment anti-theft device

Technical Field

The utility model belongs to the technical field of mobile phone equipment, a equipment anti-theft device is related to, be applicable to remote real-time burglar alarm and control and localization tracking to equipment such as motor vehicles.

Background

With the development of economy and technology, people have more and more demands on remote anti-theft alarm of equipment. For example: safes, critical equipment, motor vehicles, etc. However, the conventional anti-theft alarm device has some obvious disadvantages, one is that the device cannot give an alarm at a long distance, and although some anti-theft devices can give out sound and light alarms, when the user is far away from the device, the warning function is difficult to realize. Secondly, the alarm device is complex to install, the circuit, the oil circuit or the mechanical structure of the equipment need to be changed, and the circuit cost is higher. Thirdly, theft tracking and querying cannot be achieved. Fourthly, the traditional burglar alarm has limitation on the distance, and although some burglar alarms realize remote alarm by additionally arranging a GSM module, the burglar alarms are still not satisfactory in use, and the main performance of false alarm is too much. The utility model discloses the most advanced cell-phone technique of make full use of and sensor technology solve above-mentioned problem.

Since the anti-theft feature of the motor vehicle is obvious, the following description uses the motor vehicle as a main imaginary discussion device, and other devices are similar to the anti-theft device.

At present, the patents of anti-theft devices, especially anti-theft devices of motor vehicles, are many, such as: chinese patent 02209945.X mentions a method of enhancing a conventional alarm circuit using a mobile phone, chinese patent 00224196.X proposes a method of identifying a vehicle owner of a motor vehicle, and chinese patent 03225029.0 introduces a mobile phone based anti-theft alarm device for a motor vehicle remotely controlled by a mobile phone. In all the above patents, a mobile phone module is added on the basis of the original motor vehicle anti-theft system to realize the remote communication function. Essentially, the anti-theft measures are based on the traditional method. The utility model discloses in, we have used new sensor technology and cell-phone location technique to reduce the implementation degree of difficulty of product, enlarged application.

SUMMERY OF THE UTILITY MODEL

The utility model discloses based on neotype sensor technology and GSM CDMA GPRS network, provide a remote control's motor vehicle burglar alarm, provide accurate vehicle local or remote alarm, the environment pronunciation that can long-range monitoring alarm pass back to utilize mobile network and/or GPS location technique, realize the location of vehicle.

The utility model provides an equipment anti-theft device, including cell-phone and alarm, the alarm includes sensor, microprocessor and communication module, the output of the said sensor links to each other with the input of the said microprocessor, the output of the said microprocessor links to each other with the input of the said communication module; wherein,

the sensor collects data representing vibration or movement of equipment where the anti-theft device is located, and transmits the collected data to the microprocessor;

the microprocessor judges that the equipment belongs to an intrusion state according to the received data collected by the sensor, generates alarm information and transmits the alarm information to the communication module;

the communication module sends the received alarm information generated by the microprocessor to the mobile phone through a wireless network.

In the anti-theft device for the equipment, the communication module is a GSM/GPRS/CDMA baseband module.

In the above device theft prevention apparatus, the sensor is an acceleration sensor, a velocity sensor, or a vibration sensor.

The above-mentioned device theft protection installation, the burglar alarm further comprises: and the voice processing module is connected with the communication module, acquires voice information in the environment where the burglar alarm is positioned after the communication module receives a call request of a specific number, and sends the acquired voice information to the handheld device through the communication module.

According to the anti-theft device of the equipment, the anti-theft device can be selectively provided with the GPS module, so that the high-precision automobile positioning and anti-theft tracking capabilities are realized.

The utility model has the characteristics that:

1) the implementation is simple and the cost is low. Due to the adoption of the latest sensor technology, a user can select a traditional mode and install the burglar alarm at a specific position of the automobile in a modified mode. Can also be randomly placed at any position of the vehicle. Moreover, the utility model discloses the data point that needs monitoring is few. Therefore, compared with the traditional burglar alarm, the utility model has lower cost.

2) Can be combined with a traditional burglar alarm at will. The utility model discloses both can the exclusive use, also can use with traditional alarm supplement.

3) And the intelligence is higher. By means of accurate data of the sensors and an intelligent algorithm, the state of the vehicle can be judged more accurately, and false alarms are reduced.

4) The remote alarm and control capability, because of using the mobile phone network, the burglar alarm can remotely alarm, reflect the alarm property on the side of the mobile phone of the user in time, and can receive the control of the mobile phone of the user and set at a proper level.

5) The location technology of the network such as GSM can be used to help confirm the location of the stolen vehicle.

6) The accuracy of the anti-theft function is improved by utilizing the base station positioning information. When the carrier of the mobile phone starts the automobile, the position information of the mobile phone is completely the same as that of the automobile, the burglar alarm detects that the position information of the master control mobile phone is consistent with the position information of the burglar alarm, and the burglar alarm does not give an alarm at the moment. If other people invade the automobile, the burglar alarm gives an alarm at the moment, and the probability of false alarm can be reduced.

Drawings

Fig. 1 is a block diagram of the present invention.

Fig. 2 shows a message format for transferring information between the burglar alarm and the mobile phone.

FIG. 3 is a flow chart of the algorithm of the present invention

Detailed Description

Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Fig. 1 is a block diagram of the present invention, and as can be seen from fig. 1, the present embodiment is composed of a microprocessor, a GSM/CDMA/GPRS baseband module, an acceleration detection module, a power management module, and the like. The sensors may be placed in any hidden location in the car. Causes of vibration of the automobile include: vibration caused by external environment such as sound, vibration caused by collision, vibration caused by opening a door, and vibration caused by moving an automobile.

Sensors we have selected vibration, velocity, acceleration sensors based on the latest MEMS technology design. The sensor can detect data in three coordinate axes under the condition of high sensitivity, the data comprises vibration intensity, speed, acceleration and the like, and the sampling speed can reach millisecond level. The sensor can set different working modes, such as a high-sensitivity mode and a common mode, and filters data on hardware.

The utility model discloses the cooperation cell-phone is used, by detecting, the communication, module such as speech processing constitutes. The monitoring module operates when the vehicle is intruded or detects a collision, movement, or the like. The reason causing the automobile state change is analyzed by utilizing the algorithm, meanwhile, the sensitivity setting of the auxiliary sensor can accurately realize the automobile alarm, and meanwhile, the problem of common false alarm in the process is avoided. The alarm information of the burglar alarm can be transmitted through a common GSM/CDMA/GPRS network, can be transmitted in a mode of SMS and the like, can also be directly accessed into the network to realize the alarm function, and realizes remote alarm by utilizing the reliable communication capability of a mobile phone network. The wireless network is utilized, the burglar alarm is set through the mobile phone, the parameters of the burglar alarm can be adjusted, and the parameters are set to the working state required by a user. When the user suspects that the automobile is stolen or needs the automobile, the user can monitor the surrounding voice transmitted back by the burglar alarm by dialing the burglar alarm, so that the user can be helped to further know the automobile condition and recover the automobile in the case of theft. On the burglar alarm, by utilizing the positioning capability of the mobile phone network, a user can position the vehicle, further help the automobile to prevent theft and track the vehicle after theft. And simultaneously, the utility model provides a to GPS's support, the user can the optional cooperation GPS module, the warning of reinforcing alarm and the accuracy of pursuit.

In order to use a mobile phone network, the burglar alarm comprises a communication module. The communication module mainly completes the data communication function between the mobile phone and the burglar alarm, a set of complete protocols are arranged between the mobile phone and the burglar alarm, the protocols are irrelevant to the connection mode carried by the protocols, and messages can be transmitted based on the networking modes of short messages, GPRS (general packet radio service) and even WIFI (wireless fidelity), WIMAX (worldwide interoperability for microwave access) and the like. Based on the message, the system completes the actions of alarm setting and the like.

When equipment reports to the police, the utility model discloses support to get into the monitoring mode. The anti-theft device is provided with a circuit of the voice acquisition part, when an owner suspects that the vehicle is stolen, the owner can monitor the sound acquired by the anti-theft device by dialing the anti-theft device, confirm whether the theft happens or not and help to recover the stolen vehicle. Because the anti-theft device is set to only accept the call request of the specific number, the use safety of the anti-theft device is ensured, and other unauthorized users can not illegally access the anti-theft device.

The utility model discloses detect the step of the stolen condition of car as follows:

1) when vibration occurs, the sensor detects the change of the acceleration, quantifies the change on the XYZ axes and transmits the quantified change to the microprocessor.

2) The microprocessor processes the detection value:

the most likely vehicle motion pattern is calculated using a built-in algorithm as shown in figure 3. The algorithm is based on pattern recognition techniques. Whether the automobile is normally driven, the door is opened and closed, illegal invasion is caused, or environmental interference is caused, all as a result of the vibration of the automobile. The utility model discloses utilize the sensor to obtain the vibration of the car that obtains in the three coordinate system of XYZ, speed, acceleration data to according to the pattern recognition algorithm, finally obtain the mode of car.

3) After the vehicle motion mode at a certain moment is obtained, the microprocessor continues to operate, and the processor completes operation once every period, so that whether the vehicle is disturbed to vibrate or whether a person is in contact with the vehicle is continuously confirmed. After a certain time, if the vehicle is still found to be in a special state, judging whether the motor vehicle is in a state invaded by people or not according to an intelligent discrimination algorithm based on pattern recognition used by people.

4) If the vehicle is judged to be in the intrusion state, whether the control host is in the position consistent with the burglar alarm or not is judged, and if the control host is in the position consistent with the burglar alarm, the vehicle enters the working state. If not, an alarm is given.

5) When the utility model discloses when reporting to the police, alarm information sends for the cell phone number of settlement through modes such as SMS or GPRS. The message uses a text-based defined format, the definition of which is shown in fig. 2.

The mobile phone can set alarm parameters of the alarm, and can select a non-alarm, low-sensitivity mode, a default mode and a sensitive mode. This mainly meets different user requirements. According to different alarm modes, alarms are selected under different levels according to data and algorithms transmitted by the sensors. The sensor can set the sensitivity, and the internal software can also correct the alarm condition according to the setting.

The utility model discloses a monitoring data of sensor is suitable for self-adaptation intelligent algorithm, obtains the control result of vehicle behaviour in service. When a person steals the vehicle, the sensor monitors data, the change mode of the vehicle can be calculated according to the data, and the frequency characteristic, the time characteristic and the signal change modes of the three acceleration axes are different due to the fact that the vibration generated by the vehicle stealing is different from the vibration generated by the change of the external environment, so that the difference between the environmental interference and the vehicle stealing behavior can be judged. This improves the reliability of the alarm, and in addition, the characteristic values of the sensor characteristic variables of the motor vehicle are different when the motor vehicle is moving or vibrating. Therefore, according to the intelligent algorithm, whether the automobile is in a driving state or a vibration state can be distinguished. This may further enhance the reliability of the alarm.

While the present invention has been described in detail with reference to the embodiments, the present invention is not limited to the embodiments, and various modifications and changes can be made by those skilled in the art without departing from the spirit and scope of the claims of the present application.

Claims

1. An equipment anti-theft device is characterized by comprising a mobile phone and an anti-theft device, wherein the anti-theft device comprises a sensor, a microprocessor and a communication module, the output end of the sensor is connected with the input end of the microprocessor, and the output end of the microprocessor is connected with the input end of the communication module; wherein,

2. The device theft protection device of claim 1, wherein said communication module is a GSM/GPRS/CDMA baseband module.

3. The device theft protection device of claim 1, wherein said sensor is an acceleration sensor, or a velocity sensor, or a vibration sensor.

4. The device theft prevention apparatus according to claim 1, wherein said theft preventer further comprises: and the voice processing module is connected with the communication module, acquires voice information in the environment where the burglar alarm is positioned after the communication module receives a call request of a specific number, and sends the acquired voice information to the handheld device through the communication module.

5. The device theft protection device of claim 1, wherein said theft protection device is optionally equipped with a GPS module.