CN202574129U - Anti-theft alarm for vehicle - Google Patents

Abstract

The utility model discloses a vehicle anti-theft alarm, which comprises a vehicle-mounted system and a mobile phone of a user. The vehicle-mounted system includes a processor, a system switch for controlling the opening of the vehicle-mounted system, and a power supply unit for supplying power to each power-consuming unit of the vehicle-mounted system. The system switch and the Both the power supply unit and the processor are connected, and the input terminal of the processor is connected to the wheel signal acquisition unit for collecting the running state of the wheel and the radar probe for detecting the appearance of the vehicle behind the vehicle. The wheel signal acquisition unit is installed on the wheel, and the radar probe is installed on the wheel. At the rear of the vehicle, the output terminal of the processor is connected to a mobile phone transmitting module for transmitting alarm information to the user's mobile phone and a first display unit and a second display unit for displaying pre-stored alarm information. The mobile phone transmitting module is wirelessly connected to the user's mobile phone. The first display unit is installed on the exterior rearview mirror of the vehicle, and the second display unit is installed on the rear window of the vehicle. The utility model has reasonable design, convenient realization and simple operation, high reliability and low cost.

Description

A vehicle anti-theft alarm

technical field

The utility model relates to an alarm, in particular to a vehicle anti-theft alarm.

Background technique

The vehicle alarms currently on the market are mainly based on sound alarms. For example, if the vehicle is hit, moved or illegally entered, the voice alarm system can be activated and a sharp alarm sound will be issued to intimidate the thieves and attract the attention of pedestrians. . But, because most of the present alarms belong to additional equipment, that is, the car owner installs them after buying the car, so the circuit is easy to be damaged, and the thieves can drive away the vehicle after entering. Moreover, after the present alarm sounds, the thieves can be made to have a sense of fear, so they run away at full speed, which brings certain danger to vehicles normally running on the road and passers-by who walk.

Utility model content

The technical problem to be solved by the utility model is to provide a vehicle anti-theft alarm for the above-mentioned deficiencies in the prior art. The device adopts the sound alarm, which is easy to cause the thieves to scream after they have a sense of fear and turn on the flashing lights to bring danger to other vehicles and pedestrians when fleeing at high speed. At the same time, it has high reliability, low cost and wide application range.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: a vehicle anti-theft alarm, which is characterized in that it includes a vehicle-mounted system and a user's mobile phone, and the vehicle-mounted system includes a processor and a system switch for controlling the vehicle-mounted system to open and a power supply unit for supplying power to each power consumption unit of the vehicle-mounted system, the system switch is connected to the power supply unit and the processor, and the input terminal of the processor is connected to the wheel signal acquisition unit for collecting the running state of the wheel and for detecting the vehicle There is a radar probe appearing in the vehicle at the rear, the wheel signal acquisition unit is installed on the wheel, the radar probe is installed at the rear of the vehicle, the output terminal of the processor is connected to the mobile phone transmitting module for transmitting alarm information to the user's mobile phone and A first display unit and a second display unit for displaying pre-stored alarm information, the mobile phone transmitter module is wirelessly connected to the user's mobile phone, the first display unit is installed on the vehicle exterior rearview mirror, and the second display unit is installed On the rear window of the vehicle.

The above-mentioned anti-theft alarm for vehicles is characterized in that: both the first display unit and the second display unit are LED display screens.

The above-mentioned vehicle anti-theft alarm is characterized in that: the mobile phone transmitting module is a 3G module or a GPRS module.

The above-mentioned vehicle anti-theft alarm is characterized in that the wheel signal acquisition unit is a position sensor.

The above-mentioned vehicle anti-theft alarm is characterized in that: the processor is a single-chip microcomputer.

The above-mentioned vehicle anti-theft alarm is characterized in that: the single-chip microcomputer is a chip Atmega8.

Compared with the prior art, the utility model has the following advantages:

1. Reasonable design, convenient implementation, easy operation and high use value.

2. The utility model can effectively solve the problem that the existing vehicle anti-theft alarm uses sound alarm to make the thieves feel fear and scream and turn on the flashing lights to bring danger to other vehicles and pedestrians when fleeing at high speed. At the same time, it is reliable. High reliability and low cost.

3. It has a wide range of applications. The utility model can be used for anti-theft alarms for vehicles such as cars, vans, taxis and off-road vehicles.

Below by accompanying drawing and embodiment, the utility model is described in further detail.

Description of drawings

Fig. 1 is the block diagram of circuit principle of the utility model.

Explanation of reference signs:

1-processor; 2-system switch; 3-power supply unit;

4-Wheel signal acquisition unit; 5-First display unit; 6-Mobile phone transmitter module;

7-radar probe; 8-second display unit; 9-user mobile phone.

Detailed ways

As shown in Figure 1, the utility model comprises a vehicle-mounted system and a user mobile phone 9, the vehicle-mounted system includes a processor 1 and a system switch 2 for controlling the opening of the vehicle-mounted system and a power supply unit 3 for supplying power to each power-consuming unit of the vehicle-mounted system, The system switch 2 is connected to the power supply unit 3 and the processor 1, and the input terminal of the processor 1 is connected to the wheel signal acquisition unit 4 for collecting the running state of the wheel and the radar probe 7 for detecting the presence of a vehicle behind the vehicle. , the wheel signal acquisition unit 4 is installed on the wheel, the radar probe 7 is installed at the rear of the vehicle, the output terminal of the processor 1 is connected to the mobile phone transmitting module 6 for transmitting alarm information to the user's mobile phone 9 and for Display the first display unit 5 and the second display unit 8 of pre-stored alarm information, the mobile phone transmitting module 6 is wirelessly connected with the user's mobile phone 9, the first display unit 5 is installed on the vehicle exterior rearview mirror, the second The display unit 8 is mounted on the rear window of the vehicle.

In this embodiment, both the first display unit 5 and the second display unit 8 are LED display screens.

In this embodiment, the mobile phone transmitting module 6 is a 3G module or a GPRS module.

In this embodiment, the wheel signal acquisition unit 4 is a position sensor.

In this embodiment, the processor 1 is a single-chip microcomputer.

In this embodiment, the single-chip microcomputer is a chip Atmega8.

In this embodiment, the power supply unit 3 can be a vehicle battery, or can be equipped with a battery by itself.

The working principle of the utility model is as follows: before the user gets off the vehicle, the vehicle-mounted system is turned on through the system switch 2, so that the vehicle-mounted system is in a working state, and when the wheel signal acquisition unit 4 detects that the wheel is changed due to illegal rotation such as theft, the detected signal is transmitted Give the processor 1, control the mobile phone transmitting module 6 to transmit alarm information to the user's mobile phone 9 after being processed by the processor 1, so that the user knows that his vehicle is stolen at the first time, and controls the first display unit 5 to display the prestored alarm information, For example, alarm information such as "vehicle is stolen, please intercept" is convenient for community security to intercept; at the same time, the radar probe 7 detects whether there is a vehicle within 10 meters behind the vehicle, and if there is a vehicle, the detected information is passed to the processor 1 After being processed by the processor 1, the second display unit 8 is controlled to display pre-stored alarm information, such as alarm information such as "the vehicle is stolen, please report to the police", so that vehicles or pedestrians behind can know that the vehicle is stolen and need to report to the police.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any simple modifications, changes and equivalent structural changes made to the above embodiments according to the technical essence of the present utility model still belong to Within the scope of protection of the technical solution of the utility model.

Claims (6)

1. A vehicle anti-theft alarm is characterized in that: comprise vehicle-mounted system and user's mobile phone (9), described vehicle-mounted system comprises processor (1) and is used to control the system switch (2) that vehicle-mounted system is opened and is vehicle-mounted system The power supply unit (3) powered by each power consumption unit, the system switch (2) is connected to the power supply unit (3) and the processor (1), and the input terminal of the processor (1) is used to collect wheel running The wheel signal acquisition unit (4) of state and the radar probe (7) that is used to detect vehicle rear to have vehicle to appear, described wheel signal acquisition unit (4) is installed on the wheel, and described radar probe (7) is installed in the vehicle rear part, the output terminal of the processor (1) is connected to the mobile phone transmission module (6) for transmitting alarm information to the user's mobile phone (9) and the first display unit (5) and the second display unit (5) for displaying pre-stored alarm information unit (8), the mobile phone transmitter module (6) is wirelessly connected to the user's mobile phone (9), the first display unit (5) is installed on the vehicle exterior rearview mirror, and the second display unit (8) is installed On the rear window of the vehicle. 2. A vehicle anti-theft alarm according to claim 1, characterized in that: both the first display unit (5) and the second display unit (8) are LED display screens. 3. A vehicle anti-theft alarm according to claim 1 or 2, characterized in that: the mobile phone transmitting module (6) is a 3G module or a GPRS module. 4. A vehicle anti-theft alarm according to claim 1 or 2, characterized in that: the wheel signal acquisition unit (4) is a position sensor. 5. A vehicle anti-theft alarm according to claim 1 or 2, characterized in that: said processor (1) is a single-chip microcomputer. 6. A vehicle anti-theft alarm according to claim 5, characterized in that: said single-chip microcomputer is a chip Atmega8.

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