CN211417466U - Electric vehicle anti-theft alarm system based on NB-IOT - Google Patents

Abstract

The utility model provides an NB-IOT-based anti-theft alarm system for electric vehicles, comprising a main control module, an early warning prompt module, an anti-pry alarm module, an NB-IOT communication module and a GPS module; the early warning prompt module includes an infrared pyroelectric sensor And vibration sensor, infrared pyroelectric sensor is used to monitor the infrared signal of surrounding objects, and transmit the infrared signal to the main control module; vibration sensor is used to detect whether there is continuous vibration, if there is continuous vibration, it will send vibration The signal is sent to the main control module; the tamper-proof alarm module includes a tamper-proof switch and an audible and visual alarm. When the tamper-proof switch is triggered, an alarm signal is sent to the main control module, and the audible and visual alarm is triggered at the same time, and the audible and visual alarm is sent out. Sound and light for warning; the main control module sends the warning level information and positioning information to the mobile terminal through the NB-IOT module.

Description

An electric vehicle anti-theft alarm system based on NB-IOT

technical field

The utility model relates to the field of equipment anti-theft, in particular to an NB-IOT-based anti-theft alarm system for electric vehicles.

Background technique

At present, electric vehicles play an important role in people's daily life. However, while bringing convenience to people's lives, its safety issues are also a real headache. Cases such as theft of electric vehicles and the theft of batteries of electric vehicles are not uncommon. Moreover, there are still many electric vehicles without license plates, which brings challenges to the police's work in solving cases and recovering stolen goods. However, traditional anti-theft locks and anti-theft alarms are easy to be cracked by cunning thieves, and some anti-theft alarms use GPRS to transmit data, but GPRS has low reliability of data transmission, poor penetration of transmitted data, and higher cost. high.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide an electric vehicle anti-theft alarm system based on NB-IOT technology to solve the technical problems of poor data penetration and high cost of the existing anti-theft alarm devices. The above technical defects.

An anti-theft alarm system for electric vehicles based on NB-IOT, comprising a main control module, an early warning prompt module, an anti-piracy alarm module, an NB-IOT communication module and a GPS module; the early warning prompt module, the anti-piracy alarm module, the NB-IOT The communication module and the GPS module are respectively electrically connected with the main control module, and the main control module performs wireless communication with the remote mobile terminal through the NB-IOT communication module;

The early warning module includes an infrared pyroelectric sensor and a vibration sensor. The infrared pyroelectric sensor is used to monitor the infrared signal of the activity of surrounding objects and transmit the infrared signal to the main control module; the vibration sensor is used to detect whether there is continuous vibration. If there is continuous vibration, send a vibration signal to the main control module;

The tamper-proof alarm module includes a tamper-proof switch and an acousto-optic alarm. When the tamper-proof switch is triggered, an alarm signal is sent to the main control module, and the audible and visual alarm is triggered at the same time. The audible and visual alarm emits sound and light for warning ;

The GPS module is used to locate the current position of the electric vehicle and send the positioning information to the main control module;

The main control module determines the current warning level according to the received infrared signal, vibration signal and alarm signal, and sends the warning level information and positioning information to the mobile terminal through the NB-IOT module; the main control module is also connected to the electric motor. The battery of the car is used to send the battery power information and battery charge and discharge status information to the mobile terminal through the NB-IOT module; the mobile terminal is used to receive the warning level in real time, view the location of the electric vehicle and the power information of the electric vehicle online, and also The current warning level can be reset manually, and the sound and light alarm can be manually turned off.

Further, the sound and light alarm includes a tweeter and LED lights.

Further, the warning level includes four levels of "normal", "general", "dangerous" and "very dangerous". When the main control module does not receive infrared signals, vibration signals or alarm signals, the current warning level is judged to be "normal". ” and sent to the mobile terminal through the NB-IOT module; when the main control module only receives the infrared signal, it is judged that the current warning level is “general” and sent to the mobile terminal through the NB-IOT module; when the main control module When receiving the infrared signal and the vibration signal at the same time, it judges that the current warning level is "dangerous" and sends it to the mobile terminal through the NB-IOT module; when the main control module receives the infrared signal, the vibration signal and the alarm signal at the same time, it judges the current warning level. The warning level is "very dangerous" and sent to the mobile terminal through the NB-IOT module.

Further, when the warning level is upgraded to "normal", it means that a creature is approaching the electric vehicle, and when the warning level is further upgraded to "dangerous", the electric vehicle is being moved, and when the highest level is "very dangerous" When the signal is sent to the mobile terminal, it indicates that the electric vehicle or the battery of the electric vehicle is being disassembled by the thief.

Further, the mobile terminal can also remotely control and cut off the power supply of the electric vehicle through the NB-IOT communication module.

Compared with the prior art, the beneficial effect of the present utility model is that the utility model adopts the NB-IOT data transmission technology to establish a communication connection between the alarm device and the mobile terminal, and transmits the NB-IOT communication module adopted by the alarm signal and the GPS global positioning signal. , its network signal is excellent, the anti-interference ability is strong, and the cost is low, which solves the problems of high power consumption and weak penetration ability of the traditional GPRS communication method.

Description of drawings

The utility model will be further described below in conjunction with the accompanying drawings and embodiments, in the accompanying drawings:

Fig. 1 is a kind of electric vehicle anti-theft alarm system structure diagram based on NB-IOT technology of the present invention;

Fig. 2 is the composition schematic diagram of the early warning prompt module of the present invention;

FIG. 3 is a schematic diagram of the composition of the anti-prying alarm module of the present invention.

Detailed ways

In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

An electric vehicle anti-theft alarm system based on NB-IOT, as shown in Figure 1, includes a main control module, an early warning prompt module, an anti-prying alarm module, an NB-IOT communication module and a GPS module; The alarm module, the NB-IOT communication module and the GPS module are respectively electrically connected with the main control module, and the main control module performs wireless communication with the remote mobile terminal through the NB-IOT communication module.

As shown in Figure 2, the early warning module includes an infrared pyroelectric sensor and a vibration sensor. The infrared pyroelectric sensor is used to monitor the infrared signal of the activities of surrounding objects, and transmit the infrared signal to the main control module; the vibration sensor is used to detect whether There is continuous vibration, if there is continuous vibration, a vibration signal is sent to the main control module.

As shown in Figure 3, the tamper-proof alarm module includes an tamper-proof switch and an audible and visual alarm. When the tamper-proof switch is triggered, an alarm signal is sent to the main control module, and the audible and visual alarm is triggered at the same time, and the audible and visual alarm is sent out. Sound and light for warning.

The GPS module is used to locate the current position of the electric vehicle and send the positioning information to the main control module.

The main control module determines the current warning level according to the received infrared signal, vibration signal and alarm signal, and sends the warning level information and positioning information to the mobile terminal through the NB-IOT module; the main control module is also connected to the electric motor. The battery of the car is used to send the battery power information and battery charge and discharge status information to the mobile terminal through the NB-IOT module; the mobile terminal is used to receive the warning level in real time, view the location of the electric vehicle and the power information of the electric vehicle online, and also The current warning level can be reset manually, and the sound and light alarm can be manually turned off.

Sound and light alarms include tweeters and LED lights.

The warning level includes four levels: "normal", "general", "dangerous" and "very dangerous". When the main control module does not receive infrared signals, vibration signals or alarm signals, the current warning level is judged to be "normal" and passed The NB-IOT module is sent to the mobile terminal; when the main control module only receives the infrared signal, it is judged that the current warning level is "general" and sent to the mobile terminal through the NB-IOT module; when the main control module simultaneously receives When the infrared signal and the vibration signal are used, the current warning level is judged to be "dangerous" and sent to the mobile terminal through the NB-IOT module; when the main control module receives the infrared signal, the vibration signal and the alarm signal at the same time, it is judged that the current warning level is "Very dangerous" and sent to the mobile through the NB-IOT module.

When the warning level is upgraded to "normal", it means that a creature is approaching the electric vehicle, and when the warning level is further upgraded to "dangerous", the electric vehicle is being moved, and when the highest level "very dangerous" signal is sent to When moving, it indicates that the electric vehicle or the battery of the electric vehicle is being disassembled by the thief.

The mobile terminal can also remotely control and cut off the power supply of the electric vehicle through the NB-IOT communication module.

A specific embodiment of the NB-IOT-based electric vehicle anti-theft alarm system of the present invention is as follows:

The system is installed on the electric vehicle. The main control module collects the battery status information and GPS positioning information of the electric vehicle in real time, and transmits the battery status information and GPS positioning information to the mobile terminal in real time through the NB-IOT communication module. The mobile terminal can be used at any time. View the location, battery level and other status of the electric vehicle. When there is no activity around the electric vehicle, the infrared pyroelectric sensor cannot detect the infrared signal. At this time, the main control module judges that the current warning level is "normal" and transmits the warning level to the remote mobile terminal through the NB-IOT communication module. The terminal shows that the current warning level is in the "normal" state. When there is human or animal activity around the electric vehicle, the infrared pyroelectric sensor can detect infrared signals. If the main control module only receives infrared signals, the main control module judges the current warning level as "normal" and passes the warning level through NB - The IOT communication module is transmitted to the remote mobile terminal, and the mobile terminal shows that the current warning level is in the "normal" state, because at this time, it is possible that the infrared pyroelectric sensor has detected ordinary passers-by or small animals around the electric vehicle. If the infrared pyroelectric sensor can detect the infrared signal and the vibration sensor detects the vibration signal, it means that the electric vehicle is being moved at this time. After the main control module receives the infrared signal and the vibration signal at the same time, the NB-IOT communication module Send the "dangerous" warning level to the mobile terminal, and the mobile terminal will display that the current warning level is in the "dangerous" state. If the thief steals the battery of the electric vehicle, he will inevitably use violent means to disassemble the battery box. At this time, the tamper-proof switch and the sound and light alarm composed of the tweeter and LED lights will be triggered, and the infrared pyroelectric sensor will be triggered. And the vibration sensor must be able to detect the infrared signal and the vibration signal respectively. At this time, the main control module receives the infrared signal, the vibration signal and the early warning signal at the same time, then the main control module passes the NB-IOT communication module to the "very dangerous" warning level through the NB - The IOT communication module is sent to the mobile terminal, and the mobile terminal shows that the current warning level is in a "very dangerous" state. According to the current warning level, mobile terminal users can choose solutions such as remotely powering off the power supply of the electric vehicle, rushing to the scene of the accident to check the situation, and directly reporting the alarm on the mobile terminal. The GPS module is on the user's mobile terminal. The location information of the electric vehicle can be checked at any time, which is very helpful for the first time positioning of the electric vehicle.

The embodiments of the present utility model have been described above in conjunction with the accompanying drawings, but the present utility model is not limited to the above-mentioned specific embodiments, which are only illustrative rather than restrictive, and the common technology in the field Under the inspiration of the present utility model, personnel can make many forms without departing from the scope of protection of the present utility model and the claims, which all belong to the protection of the present utility model.

Claims (5)

1. An electric vehicle anti-theft alarm system based on NB-IOT is characterized by comprising a main control module (1), an early warning prompt module (2), a prying prevention alarm module (3), an NB-IOT communication module (4) and a GPS module (5); the early warning prompting module (2), the pick-proof alarming module (3), the NB-IOT communication module (4) and the GPS module (5) are respectively electrically connected with the main control module (1), and the main control module (1) is in wireless communication with the remote mobile terminal (6) through the NB-IOT communication module (4);

the early warning prompt module (2) comprises an infrared pyroelectric sensor and a vibration sensor, wherein the infrared pyroelectric sensor is used for monitoring an infrared signal of the activity of a surrounding object and transmitting the infrared signal to the main control module (1); the vibration sensor is used for detecting whether continuous vibration exists or not, and if the continuous vibration exists, a vibration signal is sent to the main control module (1);

the anti-prying alarm module (3) comprises an anti-prying switch and an audible and visual alarm, when the anti-prying switch is triggered, an alarm signal is sent to the main control module (1), the audible and visual alarm is triggered at the same time, and the audible and visual alarm gives out sound and light to warn;

the GPS module (5) is used for positioning the current position of the electric vehicle and sending positioning information to the main control module (1);

the main control module (1) judges the current early warning level according to the received infrared signal, vibration signal and alarm signal, and sends early warning level information and positioning information to the mobile terminal (6) through the NB-IOT module; the main control module (1) is also connected to a battery of the electric vehicle and used for sending the electric quantity information and the battery charge-discharge state information of the battery to the mobile terminal (6) through the NB-IOT module; the mobile terminal (6) is used for receiving the early warning level in real time, checking the position and the electric quantity information of the electric vehicle on line, and can also be used for manually resetting the current early warning level and manually turning off the audible and visual alarm.

2. The NB-IOT based electric vehicle burglar alarm system of claim 1, wherein the audible and visual alarm comprises a tweeter and an LED light.

3. The NB-IOT based electric vehicle anti-theft alarm system according to claim 1, wherein the early warning levels include four levels of "normal", "general", "dangerous" and "extremely dangerous", and when the main control module (1) does not receive the infrared signal, the vibration signal or the alarm signal, the current early warning level is judged to be "normal" and is sent to the mobile terminal (6) through the NB-IOT module; when the main control module (1) only receives the infrared signals, judging that the current early warning level is 'normal' and sending the current early warning level to the mobile terminal (6) through the NB-IOT module; when the main control module (1) receives the infrared signal and the vibration signal at the same time, judging that the current early warning level is dangerous, and sending the dangerous early warning level to the mobile terminal (6) through the NB-IOT module; when the main control module (1) receives the infrared signal, the vibration signal and the alarm signal at the same time, the current early warning level is judged to be 'dangerous' and is sent to the mobile terminal (6) through the NB-IOT module.

4. The NB-IOT based burglar alarm system for electric vehicle as claimed in claim 3, wherein when said early warning level is upgraded to "normal", it means that there is a living being approaching the electric vehicle, and when the early warning level is further upgraded to "dangerous", the electric vehicle is being moved, and when the highest level "dangerous" signal is sent to the moving terminal (6), it means that the electric vehicle or the battery of the electric vehicle is being detached by the thief.

5. The NB-IOT based burglar alarm system for electric vehicles according to claim 1, wherein the mobile terminal (6) is further capable of remotely controlling the power supply of the electric vehicle to be powered off through the NB-IOT communication module (4).

Images