KR20140050805A - Transmission system for mirror integrated camera of vehicle and control method thereof - Google Patents

Abstract

The present invention relates to a transmission and reception system for a mirror integrated camera of a vehicle and a control method thereof and, more specifically, to a transmission and reception system for a mirror integrated camera of a vehicle and a control method thereof which comprises: a plurality of camera units for photographing images; at least one wireless terminal unit for wirelessly transmitting image signals of the plurality of camera units; an image control unit for the vehicle which processes the received signal of the wireless terminal unit; and an image display unit for displaying the image signal of the image control unit for the vehicle. [Reference numerals] (100) Camera unit; (200) Wireless terminal unit; (300) Image control unit for a vehicle; (400) Image display unit; (500) Alarm unit

Description

TECHNICAL FIELD [0001] The present invention relates to a mirror-integrated camera transmission / reception system for a vehicle, and a control method thereof. BACKGROUND OF THE INVENTION < RTI ID =

More particularly, the present invention relates to a mirror-integrated camera transmission / reception system for a vehicle, and more particularly, to a mirror-integrated camera transmission / reception system for a vehicle, And more particularly, to a mirror-integrated camera transmission / reception system for a vehicle and a control method thereof.

Generally, the out-side mirror installed in the vehicle is a device for the driver to check the situation of both side and rear of the vehicle during driving and parking, and for the purpose of safety driving and prevention of traffic accident. A blind spot is generated due to its characteristics and it is difficult for the driver to precisely check and judge the situation and distance of the side and rear of the vehicle with a narrow viewing angle.

Recently, a technique for installing a small camera on the side and rear of a vehicle to identify a blind spot by a driver has been commercialized. This enables the driver to eliminate blind spots by checking images taken by each camera.

However, since a conventional camera is connected to a separate monitor, i.e., a display device, by wired lines, when a plurality of cameras are attached, wiring for video transmission and reception becomes complicated and installation thereof is troublesome. In addition, since a plurality of regions are displayed on a single monitor, the driver may not be able to determine the risk of the real image. Also, existing systems can not record because they show simple real time images. As a result, there is a disadvantage that an accident can not be confirmed after an accident, so that there is a need to additionally install a separate black box.

SUMMARY OF THE INVENTION The present invention has been conceived to solve the above-mentioned problems, and it is an object of the present invention to provide a wireless camera with an outside mirror, which can solve the problem of limited viewing angle and blind spot caused by the mirror of the outsider mirror, The present invention aims to provide a safe driving by capturing an image of a front lower side, a lateral side, and a rear side of the vehicle in real time using a camera having the camera.

It is a further object of the present invention to provide a vehicle wireless NVR system in which a video captured in real time by a camera is transmitted to a vehicle wireless NVR system installed in a vehicle through a wireless interface, It can help the driver to drive safely by displaying and recording, and it is easy to install, it can save cost by not purchasing a separate camera device, and it can reduce the cost of video, tachometer information and information recorded in the car wireless NVR system And to monitor the occurrence of an accident through the Internet.

Another object of the present invention is to provide a user with a risk that the user can not check the image through comparison and analysis between the stored image and the real-time image.

The present invention provides a camera-mirror integrated camera transmission / reception system for a vehicle, comprising: a plurality of camera units for capturing an image; at least one wireless terminal unit for wirelessly transmitting video signals of the plurality of camera units; And an image display unit for displaying a video signal of the vehicle image control unit. The present invention provides a camera-mirror-integrated camera transmission / reception system,

And an alarm unit for informing the driver of the danger according to the control signal of the vehicle image control unit.

The vehicle image control unit includes a power supply unit, an interface unit receiving the signal of the wireless terminal unit, providing the signal to the image display unit, controlling an external input / output, an image storage unit storing a video signal of the wireless terminal unit, A processor unit for controlling the operation of the entire system by controlling signals provided from the interface unit, and a plurality of control wireless modules for performing wireless communication with the outside under the control of the processor unit.

The vehicle image control unit stores the parking image photographed at the moment the vehicle is parked and compares the parking image with the startup image photographed by the camera unit when power is applied to the vehicle. And generates a notification signal to inform the driver of the difference.

The camera unit is mounted on the lower end of the side outside mirror and the lower end of the side outboard mirror support, and mounted on the lower end of the rear outside mirror so as to monitor the front, side, and rear of the vehicle .

The wireless camera transmitter mounted on the outside mirror uses a power source with a DC-DC converter that uses a 12V-24V vehicle power source and converts it to a constant voltage of 12V, an IP camera module with an IR LED, a multi- And a wireless CPE for wireless communication.

The vehicle image control unit outputs the image outside the vehicle, GPS, and tachometer information to the external image display unit in real time, and automatically and manually controls the wireless backup using the USB backup device or Wi-Fi. do.

The vehicle image control unit may include a pairing system for automatically detecting and registering an IP address of a wireless IP camera mounted on the outside mirror.

In the method of controlling a camera-mirror-integrated camera transmitting and receiving system according to the present invention, there is provided a method of controlling a camera-mirror-integrated camera transmitting and receiving system according to the present invention, the method comprising: transmitting an image photographed by a camera unit to a wireless terminal unit; And the vehicle image control unit displays the image on the display unit, wherein the vehicle image control unit stores the parking image photographed at the moment the vehicle is parked, and when the power is applied to the vehicle, When the difference between the start image and the parking image is compared, a separate notification signal is generated to notify the driver of the difference.

In this way, the present invention can incorporate a wireless camera in the outside mirror to solve the problem of limited viewing angle and blind spot caused by the reflecting mirror (mirror) of the outsider mirror. In the present invention, a video captured in real time in a camera is transmitted to a vehicle wireless NVR system installed in a vehicle through a wireless interface, and a car wireless NVR system installed in a vehicle displays and displays a received real- It is easy to install, it does not require purchase of separate camera device and it can lead to cost reduction. In case of an accident during operation, it is possible to use the video, tachometer information and information recorded in the car wireless NVR system Can be monitored. In addition, the present invention can inform the user of a risk that the user can not check the image through comparison analysis between the stored image and the real-time image.

1 is a block diagram of a camera mirror-integrated camera transmission / reception system according to an embodiment of the present invention.
2 is a block diagram of a camera unit and a wireless terminal unit according to an embodiment;
3 is a block diagram of a vehicle image control unit according to an embodiment.
4 to 8 are views of an outside mirror equipped with a camera unit and a wireless terminal unit according to an embodiment.
9 to 11 are diagrams for explaining a surveillance region according to an embodiment.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It will be apparent to those skilled in the art that the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, It is provided to let you know. Wherein like reference numerals refer to like elements throughout.

It is to be clarified that the division of components in this specification is merely a division by main function which each component is responsible for. That is, two or more constituent parts to be described below may be combined into one constituent part, or one constituent part may be divided into two or more functions according to functions that are more subdivided. In addition, each of the constituent units described below may additionally perform some or all of the functions of other constituent units in addition to the main functions of the constituent units themselves, and that some of the main functions, And may be carried out in a dedicated manner. Accordingly, the presence or absence of each component described in this specification should be interpreted as a function. For this reason, it is clarified that the constitution of the constituent parts of the camera-mirror-integrated camera transmission / reception system and the control method thereof according to the present invention can be varied within the scope of achieving the object of the present invention.

1 is a block diagram of a camera-mirror-integrated camera transmission / reception system according to an embodiment of the present invention. FIG. 2 is a block diagram of a camera unit and a wireless terminal unit according to an embodiment, and FIG. 3 is a block diagram of a vehicle image control unit according to an embodiment. FIGS. 4 to 8 are views showing an outside mirror equipped with a camera unit and a wireless terminal unit according to an embodiment, and FIGS. 9 to 11 are views for explaining a surveillance region according to an embodiment.

As shown in FIGS. 1 to 11, the camera-mirror-integrated camera-transmission / reception system according to the present embodiment includes a plurality of camera units 100 for capturing images, a plurality of camera units 100, And a video display unit 400 for displaying a video signal of the vehicle image control unit 300. The image display unit 400 displays the image signal of the vehicle image control unit 300, . And may further include an alarm unit 500 for informing the driver of the danger in accordance with the control signal of the vehicle image control unit 400.

The camera unit 100 includes a camera module 110 for capturing an image and a camera network unit 120 for transmitting the captured image through a network, as shown in FIG.

Although not shown, the camera module 110 includes a camera and a light source for imaging. At this time, the camera uses a lens having an angle of view of 90 to 150 degrees to minimize the occurrence of blind spots. It is effective to use an IR LED capable of illuminating 10 to 15 meters in the light source portion. Through this, it is possible to secure clear images even at night, so that safe operation of the driver is possible.

Also, though not shown, the camera module 110 has moving means capable of moving the camera back and forth, right and left, and up and down. Such movement means operates according to whether the camera network unit 120 receives the control signal generated from the control unit and whether the camera network unit 120 generates a signal.

The camera network unit 120 controls the operation of the camera module 110 according to a signal of the wireless terminal unit 200 and transmits the video signal transmitted from the camera module 110 to the wireless terminal unit 200 in real time .

The camera unit 100 of this embodiment includes a power supply unit 130 that receives DC power from a vehicle. Accordingly, the camera unit 100 can use the power of the vehicle as it is or can be used internally.

In this embodiment, one wireless terminal unit 200 processes data of one or more camera units 100. [ Of course, the present invention is not limited to this, and data of one camera unit 100 may be processed by one wireless terminal unit 200. It is preferable that the wireless terminal unit 200 uses a wireless CPE.

The wireless terminal unit 200 includes a power application unit 210 receiving power from a vehicle, a sharing unit 220 receiving information from a plurality of camera units 100, A network / processor unit 230 for controlling the entire operation, and a terminal radio module 240 for encoding the information for wireless communication and transmitting the information through wireless communication.

In this embodiment, a vehicle image control unit 300 for receiving and processing signals from one or more wireless terminal units 200 is provided. The vehicle video controller 300 uses the vehicle NVR.

The vehicle image control unit 300 includes a power unit 310 and an interface unit 320 receiving signals from the wireless terminal unit 200 and providing the signals to the image display unit 400 and controlling external input and output, A processor unit 340 for controlling the operation of the entire system by controlling signals provided from the interface unit 320, And a plurality of control wireless modules 350 for performing wireless communication with the outside according to the control.

In addition, the vehicle image control unit 300 is equipped with a G sensor, a remote controller, and internal dedicated software for performing the functions.

The interface unit 320 communicates with an external monitor, that is, the video display unit 400, and performs image backup or input / output of digital input, GPS input / output, tachometer input / output, or LAN port. Of course, it carries out input and output with various signals inside the vehicle.

In this embodiment, the display unit 400 includes a video display unit 400 for displaying a video signal of the vehicle image control unit 300. The image display unit 400 may be a video display device installed in the vehicle, or may be a navigation device or a separate display device.

The notification unit 500 informs the driver of the danger according to the processor unit 340 of the vehicle image control unit 300. The notification unit 500 is capable of visual notification, auditory notification, and tactile notification. A visual notification can be a separate lamp, or audible notification can be a notification by a speaker. And, a tactile alert can be a motor that applies vibration to the steering wheel of the vehicle.

In the present embodiment, the camera unit 100 may be integrally formed with an external mirror.

As shown in FIG. 4, the camera unit 100 includes an outside-side mirror-integrated wireless camera transmission device, which includes a side-front surveillance camera 112, a rear-side surveillance camera 113, a bottom- And includes a wireless antenna 111 and an outside mirror 102, which are wireless interfaces of three surveillance cameras.

5 to 7 are a side view, a front view, and a bottom view of the outside-mirror-integrated wireless camera transmitting apparatus.

8 is a rear view monitoring integrated wireless camera transmitting apparatus 104 including a rear monitoring camera 500, a wireless antenna 101 as a wireless interface, and a rear outside mirror.

The outside-mirror-integrated wireless camera transmission apparatus includes a front-side monitoring camera 112, a rear-side monitoring camera 113, a front-end-side monitoring camera 114, and three monitoring cameras 112, 113, And a wireless terminal unit 200 for wirelessly transmitting real-time image data.

Since the surveillance cameras 112, 113 and 114 and the wireless terminal unit 200 are supplied with power from the vehicle power source and a DC 12 V to 24 V power source is supplied to the power source supplied from the vehicle, 113, and 114 and the wireless terminal unit 200 are converted to a constant voltage of 12 V through a power unit having a built-in DC-to-DC converter, and then used as a power source of each internal module. The surveillance cameras 112, 113 and 114 take a real-time image of the outside of the vehicle with the built-in camera module and are sent to the network / processor 120. The video data is transmitted to the router 220, encodes the data into wireless transmission data through the network / processor 120 and the wireless module 240, and transmits the wireless transmission data to the vehicle image controller 300 through the wireless antenna.

The surveillance cameras 112, 113, and 114 use a lens having an angle of view of 90 to 150 degrees to minimize the occurrence of blind spots and provide clear images even at night by applying an IR LED capable of 10 to 15 meters of illumination So that safe operation of the driver is possible.

As shown in FIG. 7, the outside-mirror-integrated wireless camera transmission apparatus includes a rear monitoring camera 115 and a wireless terminal unit 200 for wirelessly transmitting real-time image data of the monitoring camera 115.

The surveillance camera 115 and the wireless terminal unit 200 are supplied with power from the vehicle power source and a DC 12 V to 24 V power source is supplied to the power source supplied from the vehicle depending on the vehicle. DC converter 200 is converted to a constant voltage of 12 V through a power supply unit 210 in which a DC to DC converter is installed, and is used as a power source of each internal module.

The surveillance camera 115 captures a real-time image of the outside of the vehicle using the built-in camera module and then sends it to the network / processor 120. The video data is sent to the router 220 of the wireless terminal 200, Encoded into wireless transmission data through the network / processor 120 and the wireless module 240, and then transmitted to the vehicle image controller 300 through the wireless antenna.

The surveillance camera 115 minimizes the occurrence of blind spots by using a lens having an angle of view of 90 to 150 degrees and employs an IR LED capable of illuminating 10 to 15 meters to secure a clear image even at night, Make it possible to operate.

The internal configuration of the vehicle wireless video controller 300 includes a storage unit 330, an NVR processor 340, a power unit 310, a wireless module 350 for in-vehicle wireless communication and wireless communication outside the vehicle, A sensor and an interface (320).

The power supply unit 710 includes a DC to DC converter to convert a 12V to 24V power supplied from the vehicle to a 12V constant voltage to supply power to an internal module of the wireless image control unit 300 of the vehicle.

The storage device 330 uses an SSD card storage device that is resistant to shocks due to vibration of a vehicle, a traffic accident, and the like, and other storage devices such as a HDD can be used depending on the usage and environment.

The storage device 330 stores video data photographed by the surveillance cameras 112, 113, 114, and 115, tachometer data of a digital trainer, GPS data, and the like.

The NVR processor 340 performs a triplex operation function to display, store, and retrieve images of an 8-channel IP camera. The NVR processor 340 includes a viewer program, It is a processor that can recover and communicate with various interfaces.

The wireless module 350 for in-vehicle wireless communication receives real-time image data transmitted through the wireless antennas of the monitoring cameras 112, 113, 114, and 115 via a wireless antenna.

The wireless module 350 for wireless communication outside the vehicle can transmit video and measurement data (event storage, tachometer data, GPS data, etc.) stored in the storage 330 when the vehicle enters a Wi-Fi zone of a car, To a server in the garage via a wireless antenna.

The interface 320 displays various status information of the receiving device of the wireless NVR system for the vehicle in cooperation with the display part 400 and outputs the images of the monitoring cameras 112, 113, 114 and 115 via the video output port, Back up via a backup port, connects information received through a GPS port and a tachometer input port to an NVR processor 340, and connects a LAN port, a backup switch (back up switch), a pairing switch And the like.

The display 400 includes a power LED, a wireless link LED, a back up / REC LED, a pairing LED, and a remote control sensor. The display 400 displays various status information of the wireless video controller 300.

The video output port is composed of a DVI port and is connected to a display device and outputs a real time image of the monitoring cameras 112, 113, 114, and 115.

The image backup port is constituted by a USB interface and enables backup of image and measurement data (event storage, tachometer data, GPS data, etc.) stored in the storage device 330 through a USB memory.

The GPS port is connected to an external GPS module to receive the GPS information of the vehicle and transmit it to the NVR processor 340 via the interface 320 to display the location information of the vehicle.

The tachometer input port receives tachometer data (time, speed, RPM, brake operation status, operation analysis information) of the external digital running system and transmits the data to the NVR processor 340 via the interface 320 to calculate a driver's operation pattern Analysis, and verification.

The LAN port is used for upgrading the vehicle wireless NVR system and for backing up stored data without disconnecting the system from the vehicle. In addition, when connected to the external 2G / 3G / 4G router, it is possible to transmit the GPS position information of the vehicle stored in the storage device 330, the tachometer data of the vehicle, and the event situation to the car garage and the vehicle management center through the data communication network, .

When the button is pressed in conjunction with the image backup port, the backup switch performs backup of image and measurement data (event storage, tachometer data, GPS data, etc.) stored in the storage device 330.

The pairing switch automatically registers the IP address of the IP camera installed in the vehicle.

The remote controller (not shown) provides a function for remotely controlling the function of the vehicle wireless NVR system receiving apparatus 300.

The G.Senor is an acceleration sensor that detects the speed of the vehicle using GPS and notifies the driver of the speed.

The digital I / O terminal receives status information of the vehicle in cooperation with various sensors (fire sensor, door open / close sensor, gear sensor, acceleration sensor, brake sensor) in the vehicle and transmits the status information to the NVR processor 702, .

The vehicle wireless NVR system receiving apparatus 300 can receive image data from up to eight IP cameras and the received image data is transmitted to the vehicle wireless NVR system receiving apparatus 300 through a dedicated S / Channel, 8 channels of 4 channels can be displayed.

9 shows a surveillance area of the front-end-end surveillance IP camera 114 installed in the outside mirror of the vehicle. The lower-end monitoring IP camera 114 captures an area of the lower front end which is difficult for the driver to check, thereby allowing the user to identify an object entering the front lower end of the vehicle during driving or during a main / stop.

10 and 11 show surveillance areas of the IP camera 112 for front-side surveillance, the IP camera 113 for rear-side surveillance, and the IP camera 115 for surveillance, which are installed on the outside mirror of the vehicle.

The front-side surveillance IP camera 112 is mounted on the left and right out-side mirrors of the vehicle so as to allow the passengers to get on and off safely during the main / This helps to ensure safe driving by minimizing the blind spot of the driver during driving.

The IP camera 113 for rearward and rearward surveillance is mounted on the left and right outboard mirrors of the vehicle to photograph the both sides of the rear wheels of the vehicle and the rear portion of the door so that the passengers can safely get on and off during the main / This helps to ensure safe driving by minimizing the blind spot of the driver during driving.

The rear monitoring IP camera 115 is mounted on the rear outside mirror of the vehicle to photograph the rear surface of the vehicle so that the driver can check the situation behind the vehicle when the vehicle is parked, parked or backed up. It helps to safe operation.

Also, in this embodiment, the vehicle image control unit stores the parking image photographed through the camera unit at the moment when the vehicle is parked, that is, when the power is turned off. Thereafter, a startup image photographed by the camera unit is supplied to the vehicle image control unit as soon as power is applied to the vehicle. In this way, the vehicle image controller generates a separate notification signal when a difference occurs between the two images through comparison of the parking image and the startup image, and notifies the driver of the difference. At this time, the difference between the two images may be displayed on the display unit. At this time, it is effective that a difference signal is generated when the pixel difference in the image is 5 to 20% or more.

Accordingly, when the vehicle is parked after the vehicle is parked, it can be known that the situation around the vehicle is changed or the vehicle is moved.

In addition, when the vehicle is in the lane of the photographed image according to the setting of the user, it can detect a violation of the lane through image analysis and generate a notification signal to the user. That is, when the user sets a lane on the lower front of the vehicle through a separate setting for the photographed image, a notification signal may be generated when the lane departs from the photographed image range. This allows the driver to be notified when the driver leaves the lane due to drowsiness driving, thereby reducing the risk of accidents.

Further, in the present embodiment, a plurality of camera units are disposed as an integral unit of the outside mirror of the vehicle. However, the present invention is not limited to this, and the camera portion may be positioned on the upper side or the rear side of the vehicle front side. Further, the camera section is installed so as to be rotatable by 360 degrees. Through this, the camera unit rotates to take an image of the entire periphery of the vehicle, thereby shooting an invisible area around the vehicle.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention.

100: camera unit 110: camera module
120: network unit 200: wireless terminal unit
210: power applying unit 220:
230: Network / processor unit 240: Terminal radio module
300: vehicle image control unit 310: power source unit
320: interface unit 330: image storage unit
340: processor unit 350: control wireless module
400: image display unit 500: alarm unit

Claims (9)

In a mirror-integrated camera transmission / reception system for a vehicle,
A plurality of camera sections for capturing an image;
At least one wireless terminal unit for wirelessly transmitting video signals of the plurality of camera units;
A vehicle image control unit for receiving and processing the signal of the wireless terminal unit; And
And a video display unit for displaying a video signal of the vehicle image control unit.
The method according to claim 1,
Further comprising an alarm unit for informing a driver of a danger according to a control signal of the vehicle image control unit.
3. The image pickup apparatus according to claim 2,
An interface unit for receiving a signal of the wireless terminal unit, providing the signal to the image display unit, and controlling an external input / output; an image storage unit for storing a video signal of the wireless terminal unit; And a plurality of control wireless modules for performing wireless communication with the outside according to the control of the processor unit.
The method of claim 3,
The vehicle image control unit stores a parking image photographed at the moment the vehicle is parked, compares the parked image photographed by the camera unit at the moment when power is applied to the vehicle and the parking image, And a notification signal is generated to inform the driver of the difference.
The method according to claim 1,
The camera unit is mounted on the lower end of the side outside mirror and the lower end of the side outboard mirror support, and mounted on the lower end of the rear outside mirror so as to monitor the front, side, and rear of the vehicle Wherein the camera-mounted mirror-mounted camera transmission / reception system is mounted on the vehicle.
The method according to claim 1,
The wireless camera transmitter mounted on the outside mirror uses a power source with a DC-DC converter that uses a 12V-24V vehicle power source and converts it to a constant voltage of 12V, an IP camera module with an IR LED, a multi- And a wireless CPE for wireless communication.
The method of claim 3,
The vehicle image control unit outputs the image outside the vehicle, GPS, and tachometer information to the external image display unit in real time, and automatically and manually controls the wireless backup using the USB backup device or Wi-Fi. A camera mirror-integrated camera transmission / reception system.
The method of claim 3,
Wherein the vehicle image control unit includes a pairing system for automatically detecting and registering an IP address of a wireless IP camera mounted on the outside mirror. A control method of a camera-mirror-integrated camera transmission / reception system,
Transmitting an image photographed by the camera unit to the wireless terminal unit;
Wherein the wireless terminal unit transmits a corresponding image to a vehicle image control unit through wireless communication; And
Wherein the vehicle image control unit displays the image on a display unit,
The vehicle image control unit stores the parking image photographed at the moment the vehicle is parked and compares the parking image with the startup image photographed by the camera unit when power is applied to the vehicle. And a notification signal is generated to inform the driver of the difference.

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