CN1706695A - Car anti-theft device with video feedback function - Google Patents

Abstract

The invention is a car theft-proof device with video signal repayment function, it is while starting the alarm system of the car, drive a video signal selective circuit to scan the capture image of the image pick-up head locating inside and outside the car of multicomponent by a control unit, and send to a mobile phone unit, transmit to the mobile phone of the car owner through the mobile phone network; therefore, when the automobile alarm system is started, the image of the driver inside the automobile is captured and transmitted to the automobile owner for judging whether to alarm or not, and the image of the environment outside the automobile is also captured and transmitted to the automobile owner, so that the related information of the current position of the automobile is provided, and the lost automobile can be conveniently and quickly retrieved.

Description

Car anti-theft device with video feedback function

technical field

The present invention relates to an anti-theft device, especially a video report that can capture images inside and outside the car when the car alarm is triggered and send it back to the car owner for him to judge whether to call the police and provide relevant information on the location of the car to facilitate rapid retrieval. Functional car anti-theft device.

Background technique

Because automobiles are personal property with a high unit price, their theft rate is relatively high, so car alarms have become an indispensable basic equipment for cars. However, existing car alarms usually only have sound/light alarm functions. When the thief invades the car in an illegal way and touches the anti-theft device, it will generate sound/light or both alarm information, but this kind of anti-theft device is only limited to negative deterrence, and if the owner is at the time of the incident If you are not nearby and cannot hear/see the alarm message, the anti-theft device will be useless. Especially, once the car is stolen and driven away, the anti-theft device will not be able to provide any assistance to the car owner, causing great loss and distress to the car owner.

From the above, it can be seen that the existing anti-theft device with only sound/light warning function does not have a positive anti-theft function, so it is necessary to further review and seek a feasible solution.

Contents of the invention

Therefore, the technical problem to be solved by the present invention is to provide a car anti-theft device with a video report function, which mainly captures images inside and outside the car when the car alarm is triggered and sends it back to the car owner for him to judge whether to call the police and provide the location of the car Relevant information is convenient for rapid retrieval, so as to achieve the purpose of active anti-theft.

For this reason, the technical solution of the present invention is: a kind of car anti-theft device with video feedback function, image capture heads are respectively installed inside and outside the car, to capture the local environmental images of the driver and the car at that time; each image capture Take the heads and connect them to a control device respectively, the control device includes:

A control unit, which can be composed of a microprocessor, has a sensor connected to one input end for anti-theft detection; an audible/optical alarm unit is provided at an output end to generate a traditional audible/optical alarm;

A video signal selection circuit, whose input terminals are respectively connected to each image capture head, and controlled by the aforementioned control unit, to switch and select one group of image outputs;

A mobile phone unit, a mobile phone with a camera function, its input terminal is connected to the output terminal selected by the aforementioned video signal, and is controlled by the control unit to capture its output image and convert it into a picture form, and then transmit the picture through the mobile phone network to another mobile phone;

The aforementioned mobile phone unit can be composed of an image processing circuit and a general mobile phone.

The aforementioned sensors may be vibration sensors, ultrasonic sensors, infrared sensors and the like.

The aforementioned video signal selection circuit can be constituted by a multiplexer.

The features and advantages of the present invention are: after the sound/light alarm unit is touched by the aforementioned device, the control unit drives the video signal selection circuit to switch and select the images captured by each image capture head, and output them to the mobile phone unit respectively for conversion into The picture is then sent to the mobile phone of the car owner; in this case, the car owner can use the returned image to know who the person who drove away is as a basis for whether to call the police; if it is indeed a thief, the returned environmental image can be used Know the current location of the car to facilitate police pursuit and search.

Description of drawings

FIG. 1 is a schematic diagram of a usage state of the present invention.

Fig. 2 is a schematic diagram of another usage state of the present invention.

Fig. 3 is a schematic diagram of yet another usage state of the present invention.

Fig. 4 is a circuit diagram of a preferred embodiment of the present invention.

FIG. 5 is a circuit diagram of another preferred embodiment of the present invention.

Explanation of reference numbers:

10. Automobile 20. Control unit 11～14. Image capture head

21. Sensing head 22. Sound/light alarm unit 30. Video signal selection circuit

40. Mobile phone unit 41. Image processing circuit 42. Mobile phone

Detailed ways

Concerning the specific structure aspect of the present invention, first please refer to shown in Fig. 1, mainly set up an image capture head 11～14 in the appropriate position inside and outside the car 10, wherein the image capture head 11 that is positioned at the car is to capture driver's seat image , that is to obtain the image of the driver at that time; the image capture heads 12 and 13 positioned outside the car are used to capture the environmental image of the car's current location; It is also possible to add an image capture head to other positions, such as setting the image capture head 14 at the rear of the car (please refer to Figure 2), or use the existing image capture device on the car as a tool for obtaining environmental images , such as the camera that the photographic reversing radar is located at the rear of the car.

In this embodiment, the in-vehicle image capture head 11 is hidden in the rearview mirror above the driver's seat, and the viewing angle is directed toward the driver's seat (as shown in FIG. 3 ) to capture the driver's image. In addition, the image capture heads 12 and 13 outside the car are separately arranged in the two rearview mirrors outside the front door; the foregoing is only a feasible embodiment of the installation positions of the image capture heads 11-14, and is not intended to limit their installation. The location, together first, Chen Ming.

And the aforementioned image capture heads 11-14 are respectively connected to a control device in the form of a circuit, the circuit structure of the control device is shown in Figure 4, which includes:

A control unit 20 is made up of a microprocessor, and its one input end is connected with a sensor 21, and is used as anti-theft detection; Its output end is provided with sound/light alarm unit 22, to produce traditional sound/light alarm ; Wherein, the sensor 21 can be a shock sensor, an ultrasonic sensor, an infrared sensor or other sensors with equivalent functions; the sound/light alarm unit 22 uses sound/light or both Information serving as an alert;

A video signal selection circuit 30, whose input terminals are respectively connected to each image capture head 11-14, and controlled by the aforementioned control unit 20, to switch and select one group of image outputs; it can be composed of a multiplexer;

A mobile phone unit 40, a mobile phone with a camera function, its input terminal is connected to the output terminal of the aforementioned video signal selection 30, and is controlled by the control unit 20 to capture its output image and convert it into a picture form, and then through the mobile phone The network transmits the picture to the mobile phone located on the vehicle owner's side.

Can find out the concrete structure of a preferred embodiment of the present invention by the above description, as for its mode of operation in detail as follows:

When the anti-theft device is in the standby state, the control unit 20 scans to determine whether the sensor 21 has obtained a detection signal. When the control unit 20 detects an abnormal situation through the sensor 21, it will trigger the sound/light alarm unit 22 , to generate an alarm signal of sound/light or both. At the same time, the control unit 20 also drives the video signal selection circuit 30 to switch and select the images captured by each image capture head 11-14, and output them to the mobile phone respectively. The unit 40 converts it into pictures, and then uses the mobile phone unit 40 to dial to the door number set by the car owner. After dialing, it is sent to the car owner's mobile phone through the mobile phone network; using the aforementioned functions, the car owner can use the returned image to see Find the person who drove away the car as a basis for judging whether to call the police; if it is indeed a thief, you can use the returned environmental image pictures to facilitate understanding of the current location of the car and provide it to the police, which can facilitate tracking And find the lost car as early as possible.

It can be seen from the above description that the present invention has a positive anti-theft function, and can use the returned image to provide the owner with specific clues for alarm confirmation and the location of the car when the theft does occur. Compared with traditional sound/light anti-theft devices It has excellent practicality and significant effect enhancement.

Furthermore, the present invention can also be implemented in another state in addition to the aforementioned embodiments, as shown in FIG. In the mobile phone unit 40 with camera function in the embodiment, the image processing circuit 41 mainly processes and converts the image signal output by the video signal selection circuit 30 , and then sends it to the mobile phone 42 for transmission.

In summary, the present invention can drive the video signal selection circuit by the control unit to switch and select the images captured by each image capture head after the traditional sound/light alarm unit is triggered, and output them to the mobile phone unit to convert them into pictures , and then sent to the mobile phone on the owner's side; in this way, the owner can confirm that the driver has obtained the relevant information about the current location of the car, so as to facilitate the police's pursuit and search. Compared with traditional anti-theft devices that only have passive sound/light alarm functions With significant efficacy enhancement.

Claims (5)

1. the alarms and security systems for automobiles of a tool video signal report-back function is characterized in that: respectively at the image capture head is installed respectively inside and outside the car, to capture the environmental images of steerman and locality, automobile place at that time; Each image capture head also is connected to a control setup respectively, and this control setup includes:

One control unit, one input end is connected with sensor, uses as burglar detection; The one mouth is provided with/the light alarm unit, to produce traditional sound/light alarm;

One vision signal is selected circuit, and its input end is connected with each image capture head respectively, and controlled by aforementioned control unit, selects wherein group image output to switch;

One mobile telephone unit, the vehicular telephone that possesses camera function, its input end is connected with the mouth that aforementioned vision signal is selected, and controlled unit controls, be converted to the picture form to absorb its image output, see through mobile telephone network again and transmit picture to another vehicular telephone.

2. have the alarms and security systems for automobiles of video signal report-back function according to claim 1, it is characterized in that: this control unit is made of a microprocessor.

3. have the alarms and security systems for automobiles of video signal report-back function according to claim 1, it is characterized in that: this mobile telephone unit can be made up of an image-processing circuit and general vehicular telephone.

4. have the alarms and security systems for automobiles of video signal report-back function according to claim 1, it is characterized in that: this sensor is vibrations sensor, ultrasonic sensing method, infrared sensor etc.

5. have the alarms and security systems for automobiles of video signal report-back function according to claim 1, it is characterized in that: this vision signal selects circuit to be made of a multiplexer.

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