CN101445095B - Networking automobile anti-theft alarm method and alarm system thereof - Google Patents

Abstract

An automobile anti-theft alarm system comprises a control system (20), and a vehicle theft induction device (10), an audible and visual alarm device (30) and a wireless signal transmitting device (40) which are connected with the control system, wherein the wireless signal transmitting device (40) is a radio frequency transmitting module or a mobile communication short message transmitting module. The alarm method comprises the following steps: pre-storing alarm information in a control system of the automobile anti-theft alarm system; when the automobile anti-theft alarm system senses that the automobile is stolen, the alarm information is called and is sent to the surrounding wireless terminal users according with the receiving conditions in a radio frequency or short message mode. The alarm system adopting the technical scheme can not only utilize the alarm system to alarm, but also utilize a radio frequency or mobile communication short message mode to send the stolen information of the vehicle to people around the stolen vehicle, thereby being convenient for preventing crimes in time, catching thieves in time and the like.

Description

Networked car anti-theft alarm method and alarm system

technical field

The invention relates to an alarm device, in particular to a car anti-theft wireless alarm method and an alarm system.

Background technique

Car anti-theft alarms in the prior art generally adopt their own sound and light alarm, and also have the information sent to the car owner and the monitoring center to send the stolen information of the car, but this alarm method is only sent to a few people. The people of information can't rush to the vicinity of stolen vehicle in time, just can't stop crime in time. The crowd around the stolen vehicle does not know that there is a stolen vehicle, let alone the relevant information of the stolen vehicle, and it is also impossible to stop the crime.

Contents of the invention

The invention provides a networked car anti-theft alarm method and its alarm system, which uses the alarm system of the stolen vehicle to send the stolen information to the surrounding people who have the conditions to know, and solves the problem of the surrounding people who do not know that the vehicle is stolen in the prior art. The technical problem of not being able to stop the crime in time.

The automobile anti-theft alarm system that the present invention provides for solving the above-mentioned technical problem comprises: control system and the car theft induction device that is connected with it, sound and light alarm device and wireless signal transmitting device, described control system includes microprocessor CPU, memory chip and information input device. The control system also includes a wireless signal receiving unit connected to the microprocessor CPU and a function command input device, and the alarm system also includes an original remote controller of a car wirelessly connected with the wireless signal receiving unit, and the wireless signal transmitting device is a radio frequency transmitting module or Mobile communication short message sending module.

The anti-theft alarm method of the alarm system of the present invention comprises the following steps:

A. Install the above-mentioned alarm system on the car;

B. Pre-store alarm information in the control system of the automobile anti-theft alarm system; the alarm information includes vehicle identity information and stolen notification information;

C. Identify the remote control command of the original remote control of the car. When the original remote control of the car sends out the command of arming, the car anti-theft alarm system will control the alarm system to be in the alarm state according to the command; when the original remote control of the car sends out the command of disarming, the car anti-theft alarm The alarm system corresponds to the instruction to control the alarm system to be in the non-alarm state. This step C can be further divided into the following sub-steps:

C1. First, the main engine of the car anti-theft alarm system receives the signal code of a function command of the original remote control of the car, and at the same time operates the machine to input the function command corresponding to the above command, and then receives the function commands of the original remote control of the car in sequence according to the above procedure Signal coding and operation of local function instructions;

C2. The host of the alarm system distinguishes the address code in the signal code of the original remote control of the car and the data codes of various instructions, stores the address code in a designated location in its own storage unit, and stores different data codes in its own storage unit respectively Each data code in the original remote control signal code of the car memory corresponds to each function command of the alarm system;

C3. When the remote control command from the original remote control of the car is received again, compare the received address code with the stored address code, and then execute according to the function command of the alarm system corresponding to the data code in this segment of code.

D. When the car anti-theft alarm system senses that the car is stolen, it calls the above-mentioned alarm information and sends the information to surrounding wireless terminal users who meet the receiving conditions through the wireless signal transmission system. The alarm information is sent to the surrounding users with radio frequency receiving capability in the form of radio frequency, or the alarm information is sent to the short message center of the mobile communication in the form of a short message, and the mobile communication measures the user's position and sends the short message to the surrounding mobile phone users.

The alarm system adopting the above-mentioned technical scheme can not only use its own alarm system to carry out the alarm, but also can use radio frequency or mobile communication short message to send the vehicle stolen information to the crowd around the stolen vehicle, so as to stop the crime in time and catch the thief in time etc.

Description of drawings

Fig. 1 is a schematic diagram of the working principle of the automobile anti-theft networked alarm system of the present invention.

Detailed ways

Specific embodiments of the present invention are described with reference to the above drawings.

As can be seen from Fig. 1, the automobile anti-theft alarm system provided by the present invention comprises a control system 20 and a car theft sensing device 10 connected thereto, an audible and visual alarm device 30 and a wireless signal transmitting device 40, and the control system 20 includes a microprocessor processor CPU, memory chip 21 and information input device 22. The control system 20 also includes a wireless signal receiving unit 23 connected to the microprocessor CPU and a function command input device 24, and the alarm system also includes an original remote controller 50 of a car connected wirelessly with the wireless signal receiving unit 23, and the wireless signal transmitting device 40 is a radio frequency transmitting module or a mobile communication short message sending module.

The alarm system networking alarm method comprises the following steps:

A. Install the above-mentioned alarm system on the car;

B. Pre-store alarm information in the control system of the car anti-theft alarm system;

D. When the car anti-theft alarm system senses that the car is stolen, it calls the above-mentioned alarm information and sends the information to surrounding wireless terminal users who meet the receiving conditions through the wireless signal transmission system.

The invention sends the alarm information to surrounding crowds or other car owners, which is beneficial to discovering stolen vehicles in time, stopping crimes and catching thieves in time.

A further embodiment of the present invention is: the alarm information described in step B includes vehicle identity information and stolen notification information, for example: vehicle identity information includes vehicle model, color and license plate number, and the stolen notification information can be "stolen, The thief is driving" and so on.

A still further embodiment of the present invention is: the alarm information in step D is sent to surrounding users with radio frequency receiving capability, such as radios on surrounding vehicles or radios on mobile phones of surrounding people, etc. in the form of radio frequency. Or the alarm information described in the step D is sent to the short message center of the mobile communication in the form of a short message, and the position of the user is measured by the mobile communication, and the short message is sent to the mobile phones of the surrounding mobile communication users.

In order to prevent the alarm system from reporting to the police at an inappropriate time, the alarm system in the present invention is more capable of identifying the state of the anti-theft system installed on the car. Therefore, the following steps are also set between step B and step D:

C. Identify the remote control command of the original remote control of the car. When the original remote control of the car sends out the command of arming, the car anti-theft alarm system responds to the command and controls the alarm system to be in the alarm state; when the original remote control of the car sends out the command of disarming, the car anti-theft alarm system The alarm system controls the alarm system to be in a non-alarm state in response to the instruction.

How to identify whether the automobile anti-theft system is in an alarm state, the code learning technology is utilized in the present invention, and the specific method includes the following sub-steps:

C1. First, the main engine of the car anti-theft alarm system receives the signal code of a function command of the original remote control of the car, and at the same time operates the machine to input the function command corresponding to the above command, and then receives the function commands of the original remote control of the car in sequence according to the above procedure Signal coding and operation of local function instructions;

C2. The host of the alarm system distinguishes the address code in the signal code of the original remote control of the car and the data codes of various instructions, stores the address code in a designated location in its own storage unit, and stores different data codes in its own storage unit respectively Each data code in the original remote control signal code of the car memory corresponds to each function command of the alarm system;

C3. When the remote control command from the original remote control of the car is received again, compare the received address code with the stored address code, and then execute according to the function command of the alarm system corresponding to the data code in this segment of code.

When the address code in the signal code of the original remote controller of the car received by the alarm system host in step C1 is a fixed code, and when the remote control instruction of the original remote controller of the car is received again in step C3, the received address code and the stored The address code is compared with the whole segment; when the address code in the signal code of the original remote controller of the car received by the alarm system host in step C1 is a rolling code composed of a fixed segment and a random segment code, the original remote controller of the car is received again in step C3 When the remote control command is used, the received fixed segment address code will be compared with the corresponding stored fixed segment address code separately, and the random segment address code will be discarded.

The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. For those of ordinary skill in the technical field of the present invention, without departing from the concept of the present invention, some simple deduction or replacement can be made, which should be regarded as belonging to the protection scope of the present invention.

Claims (6)

1. A networked car anti-theft alarm method, characterized in that: the method may further comprise the steps: A. Install a car anti-theft alarm system on the car, which includes a car theft sensing device, a control system, an audible and visual alarm device and a wireless signal transmitter; B. Pre-store alarm information in the control system of the car anti-theft alarm system; C. Identify the remote control command of the original remote control of the car. When the original remote control of the car sends out the command of arming, the car anti-theft alarm system responds to the command and controls the alarm system to be in the alarm state; when the original remote control of the car sends out the command of disarming, the car anti-theft alarm system The alarm system responds to the instruction to control the alarm system to be in a non-alarm state; this step further includes the following sub-steps: C1. First, the main engine of the car anti-theft alarm system receives the signal code of a function command of the original remote control of the car, and at the same time operates the machine to input the function command corresponding to the above command, and then receives the function commands of the original remote control of the car in sequence according to the above procedure Signal coding and operation of local function instructions; C2. The host of the alarm system distinguishes the address code in the signal code of the original remote control of the car and the data codes of various instructions, stores the address code in a designated location in its own storage unit, and stores different data codes in its own storage unit respectively Each data code in the original remote control signal code of the car memory corresponds to each function command of the alarm system; C3. When the remote control instruction of the original remote controller of the car is received again, compare the received address code with the stored address code, and then execute according to the function instruction of the alarm system corresponding to the data code in this segment of code; when step C1 When the host of the central alarm system receives the signal code of the original remote control of the car, the address code is a fixed code, and when it receives the remote control command from the original remote control of the car again, it will compare the received address code with the stored address code ; When the address code in the original remote controller signal coding of the car received by the alarm system host in the step C1 is the rolling code formed by the fixed segment and the random segment code, when receiving the remote control command of the original remote controller of the car again in the step C3, the The received fixed segment address code is compared separately with the corresponding stored fixed segment address code, and the random segment address code is discarded; D. When the car anti-theft alarm system senses that the car is stolen, it calls the above-mentioned alarm information and sends the information to surrounding wireless terminal users who meet the receiving conditions through the wireless signal transmission system. 2. The alarm method according to claim 1, characterized in that: the alarm information in step B includes vehicle identity information and stolen notification information. 3. The alarm method according to claim 1 or 2, characterized in that: the alarm information in step D is sent by radio frequency to surrounding users with radio frequency reception capability. 4. according to claim 1 or 2 described alarm methods, it is characterized in that: the alarm information described in the step D is sent to the short message center of mobile communication with short message mode, records the bearing of this user by mobile communication, and this short message Send to mobile phones of surrounding mobile communication users. 5. adopt the automobile anti-theft alarm system that the described alarm method of claim 1 is made, it is characterized in that: comprise control system (20) and the car theft induction device (10) that is connected with it, sound and light alarm device (30) and wireless signal The transmitting device (40), the control system (20) includes a microprocessor CPU, a storage chip (21) and information input equipment (22). 6. automobile anti-theft alarm system according to claim 5, is characterized in that: described control system (20) also comprises the wireless signal receiving unit (23) that connects microprocessor CPU and function instruction input device (24), reports to the police The system also includes a car original remote controller (50) wirelessly connected with the wireless signal receiving unit (23).

Images