KR102027220B1 - Communication apparatus for vehicle - Google Patents

Abstract

A vehicle communication device is provided. The vehicle communication apparatus of the present invention includes a wired camera data receiver for receiving an image signal from a first camera, which is a wired camera mounted on a vehicle, and light received from a second camera, which is a wireless camera, using visible light communication. Detects an image corresponding to the captured image and transmits the image signal received from the first camera and the image signal converted from the light detector to a specific storage. A first data transmitter, wherein the first data transmitter and the particular reservoir are connected by a single conductive line capable of transmitting electrical signals.

Description

Automotive communication device {COMMUNICATION APPARATUS FOR VEHICLE}

The present invention relates to a communication device for a vehicle.

In order to determine the exact cause of the accident when contacting or colliding with another vehicle or person during driving and stopping of a vehicle, an increasing number of drivers are equipped with a vehicle black box.

Such a vehicle black box stores data detected from them by using various sensors, and is generally mounted at the front of the vehicle (1 channel), but recently, not only the front but also the rear (2 channel) and the side (3, In the case of 4 channels), the use of car black boxes is increasing.

However, in order to mount the vehicle black box on the rear side and the side surface except the front side of the vehicle, there is a problem in that the installation cost and time increase as the wiring becomes complicated and the length of the wiring increases.

Meanwhile, as the communication system develops, communication services provided through vehicles are also diversified.

Conventional vehicles generally used to receive FM / AM signals, but recently, various types of communication services such as DMB, GPS, WIFI, and 3G / 4G mobile communication are provided through the vehicle.

As the service provided by the vehicle is diversified, the antenna for receiving signals of various service bands has also changed. The existing antenna for receiving FM.AM signals is coupled to the glass of the vehicle, but as the service band is increased, the glass antenna External antennas are used because they cannot support various service bands alone.

A typical external antenna is a shark fin antenna having a shark fin shape. In addition to the shark fin antenna, various external antennas mounted on a roof of a vehicle are used.

However, while the external antenna is mounted on the roof of the vehicle, an A / V (Audio / Video) device that outputs signals of various service bands received through the external antenna is mounted on the dashboard of the front of the vehicle, thus providing a relatively long length. RF cable is required.

RF cable has a complex structure to transmit the RF signal is very expensive, and the longer the length, there is a problem that the signal quality is degraded.

Accordingly, there is a demand for a vehicle communication device that can solve all the above problems.

The present invention is to solve the above-mentioned problems of the prior art, to provide a device that can save the installation cost and time when mounting the vehicle black box on the rear or side.

In addition, while providing a communication service having excellent signal quality through an external antenna to provide a device that can minimize the use of expensive RF cable.

In order to achieve the above object, a vehicle communication apparatus according to an embodiment of the present invention, a wired camera data receiving unit for receiving an image signal from a first camera which is a wired camera mounted on a vehicle, by using a visible light communication, wireless A light detector for detecting light received from a second camera, which is a camera, corresponding to an image captured by the second camera, and converting the detected light into an electrical signal; and an image signal received from the first camera and the And a first data transmitter for transmitting the image signal converted from the light detector to a specific reservoir, wherein the first data transmitter and the specific reservoir are connected by a single conductive line capable of transmitting an electrical signal.

In order to achieve the above object, a vehicle communication apparatus according to another embodiment of the present invention, a wireless camera data receiving unit for receiving an image signal from a wireless camera mounted on a vehicle and transmitting the received image signal to a specific storage Including a first data transmitter, the data transmitter and the particular reservoir are connected by a single conductive line capable of transmitting electrical signals.

In one aspect or the other aspect of the present invention, the vehicle communication device further comprises a signal converter for converting an RF signal received from an external antenna mounted on the outside of the vehicle into an electrical signal, wherein the first data transmitter is the signal The electrical signal converted from the conversion unit is transmitted to the signal processing (Audio / Video) device mounted in the vehicle through the single conductive line.

In addition, in one aspect of the present invention, when there are a plurality of second cameras, the light detector receives light corresponding to an image from each camera by using the visible light communication.

In one aspect or the other aspect of the present invention, the vehicle communication device further comprises a second data transmission unit for transmitting the image signal stored in the specific storage to the signal conversion unit to transmit to the outside of the vehicle through the external antenna, The signal converter converts an image signal received from the second data transmitter into an RF signal, and the second data transmitter is connected to the signal converter by the single conductive line.

According to an embodiment of the present invention, when installing the vehicle black box on the rear or side can save the installation cost and time.

In addition, it is possible to minimize the use of expensive RF cable while providing a communication service having excellent signal quality through an external antenna.

The effects of the present invention are not limited to the above-described effects, but should be understood to include all the effects deduced from the configuration of the invention described in the detailed description or claims of the present invention.

1 is a view showing a vehicle including a vehicle communication device according to an embodiment of the present invention.
2 is a block diagram showing the configuration of a vehicle communication apparatus 100a according to an embodiment of the present invention.
3 is a block diagram illustrating a configuration of a vehicle communication apparatus 100b according to another embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention.

In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a part is "connected" to another part, it includes not only "directly connected" but also "indirectly connected" with another member in between. .

In addition, when a part is said to "include" a certain component, this means that it may further include other components, without excluding the other components unless otherwise stated.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a view showing a vehicle including a vehicle communication device according to an embodiment of the present invention.

A vehicle including a vehicle communication device 100 according to an embodiment of the present invention includes a first camera 210 as a wired camera, a second camera 220 as a wireless camera, an external antenna 300 and an A / V device ( 400) may be further included.

When describing each component, the vehicle communication device 100 is a single conductive material capable of transmitting electrical signals with the first camera 210 which is a wired camera and the A / V (Audio / Video) device 400 which is a signal processing device. A line (hereinafter referred to as a “single conductive line”) 510—for example, a power line for Power Line Communication (PLC) —to an external antenna 300 and an RF cable 520. Can be connected.

Here, the first camera 210 may be mounted on the vehicle toward the front of the vehicle, and the second camera 220 may be mounted on the vehicle toward the rear of the vehicle. In addition, when there are a plurality of second cameras 220, each second camera may be mounted on the vehicle toward the side of the vehicle as well as the rear of the vehicle.

Hereinafter, for convenience of description, the case where the second camera 220 is mounted toward the rear of the vehicle will be described.

The vehicle communication device 100 may receive an image signal (hereinafter, referred to as a "forward image signal") photographing the front of the vehicle from the first camera 210, and receive the image signal of the vehicle received from the second camera 220. Light corresponding to the rear image (hereinafter, referred to as a 'rear image') may be detected and converted into an electrical signal.

To this end, the vehicle communication device 100 may include a light detector for visible light communication with the second camera 220.

The vehicle communication device 100 may store the front image signal received from the first camera 210 and the image signal converted from the second camera 220 through a single conductive line 510 through a specific storage (eg, flash memory, Hard disk, etc.).

Here, the specific storage may be connected to the A / V device 400, and the front image data and the rear image data stored in the specific storage may be output through the A / V device 400.

The vehicle communication device 100 may transmit image data stored in a specific storage to the outside of the vehicle through the external antenna 300. For this purpose, the A / V device 400 searches and selects image data stored in the specific storage. The controller may provide an interface for transmitting the selected image data to the outside of the vehicle.

For reference, when the first camera 210 may recognize the voice, the vehicle communication device 100 may further receive the voice data from the first camera 210, and the received voice data may correspond to the front image data. A / V device 400 may be output together.

In addition, the vehicle communication device 100 receives an RF signal from the external antenna 300, converts the received RF signal into an electrical signal and transmits the electrical signal through an A / V device through a single conductive line 510. 400 can be sent.

Here, the external antenna 300 may receive an RF signal transmitted from the outside, it may be implemented as an external antenna mounted on the outside of the vehicle.

For example, the external antenna 300 may include a shark antenna having a shape similar to a shark fin mounted on a roof of a vehicle, and may include one or more antennas such as an FM / AM reception antenna, a GPS reception antenna, and a DMB antenna. It may include.

2 is a block diagram showing the configuration of a vehicle communication apparatus 100a according to an embodiment of the present invention.

The vehicle communication apparatus 100a according to an embodiment of the present invention includes a wired camera data receiver 110a, an optical detector 120, a signal converter 130a, a first data transmitter 140a and a second data transmitter. 150a.

When describing each component, the wired camera data receiver 110a may receive an image signal from the first camera 210 which is a wired camera mounted toward the front of the vehicle, and the first camera 210 recognizes the voice. If possible, the voice signal may be further received from the first camera 210.

Meanwhile, the light detector 120 may receive an image signal from the second camera 220 which is a wireless camera mounted toward the rear of the vehicle through visible light communication.

In more detail, the light detector 120 may detect the light received from the second camera 220 through visible light communication, that is, light corresponding to the image captured by the second camera, and convert the light into an electrical signal. The demodulated electrical signal can be demodulated.

To this end, the light detector 120 may include a photo detector, an optical filter, and a lens.

For reference, the second camera 220 may convert the image photographing the rear of the vehicle into a digital signal and modulate it, and transmit the modulated image signal as a visible light signal.

To this end, the second camera 220 may include an LED module for transmitting a modulated image signal as a visible light signal, and the LED module may include a plurality of LED arrays, an optical filter, and a lens.

Conventionally, since the second camera 220 is wired and mounted in a vehicle, as the wiring becomes complicated and the length of the wiring becomes longer, the installation cost and the installation time increase, but the present invention provides the light detector 120. And the second camera 220 using the visible light communication can safely transmit data without electrical interference between the signals, and since the wireless visible light communication is not a radio frequency is not regulated frequency allocation and there is no harmful problem due to electromagnetic wave transmission It has the advantage of being environmentally friendly.

Meanwhile, the signal converter 130a may convert and demodulate the RF signal received from the external antenna 300 mounted on the outside of the vehicle into an electrical signal.

In more detail, the signal converter 130a may filter a signal having a desired frequency band, convert the filtered signal into an electrical signal, demodulate the signal, and convert the analog signal into a digital signal.

In addition, the signal converter 130a may be provided for each service (eg, FM / AM, GPS, DMB, etc.) for each frequency.

For reference, the electrical signal converted by the signal converter 130a may be transmitted to the A / V device 400 through the single conductive line 510 by the first data transmitter 140a and output.

That is, the signal converter 130a converts the RF signal received by the external antenna 300 into a baseband signal, converts the baseband converted signal into a digital signal, and converts the A / A signal through a single conductive line 510. Since it transmits to the V device 400, the conventional problem of connecting the external antenna 300 located in the loop of the vehicle and the A / V device 400 located in the dashboard of the vehicle with an expensive RF cable. Can be solved.

Meanwhile, the first data transmitter 140a may transmit each image data received from the first camera 210 and the second camera 220 to a specific storage connected to the A / V device 400.

Here, the first data transmitter 140a and the specific reservoir may be connected by a single conductive line 510.

Meanwhile, the second data transmitter 150a may transmit an image signal stored in a specific storage to the signal converter 130a to transmit the image signal to the outside of the vehicle through the external antenna 300.

In this case, the signal converter 130a may convert an image signal received from the second data transmitter 150 into an RF signal, and the second data transmitter 150 and the signal converter 130a may have a single conductivity. May be connected to line 510.

For reference, in the above-described embodiment, the case in which the first data transmitter 140a and the second data transmitter 150a exist separately has been described. However, the first data transmitter 140a and the second data transmitter 150 are described. There may also be one data transmission unit that performs all of the operations.

3 is a block diagram illustrating a configuration of a vehicle communication apparatus 100b according to another embodiment of the present invention.

The vehicle communication apparatus 100b according to another embodiment of the present invention may include a wireless camera data receiver 110b, a signal converter 130b, a first data transmitter 140b, and a second data transmitter 150b. Can be.

In the vehicular communication device 100b illustrated in FIG. 3, the wired camera data receiver 110a and the light detector 120 are omitted from the vehicular communication apparatus 100a illustrated in FIG. 2, and the wireless camera data receiver 110b is added. Form.

Here, the wireless camera data receiver 110b may be connected to a wireless camera mounted in a vehicle through various wireless communications, and may receive an image signal captured by the wireless camera from each wireless camera.

For reference, the wireless camera may include a plurality of wireless cameras, and each wireless camera may be mounted toward the rear and the side except for the front, such as the second camera 220 illustrated in FIG. 1, or may be mounted toward the front. May be

Meanwhile, the signal converter 130b, the first data transmitter 140b, and the second data transmitter 150b transmit the signal converter 130a and the first data of the vehicle communication apparatus 100a shown in FIG. 2. Since it is the same as the unit 140a and the second data transmitter 150a, a detailed description thereof will be omitted.

The foregoing description of the present invention is intended for illustration, and it will be understood by those skilled in the art that the present invention may be easily modified in other specific forms without changing the technical spirit or essential features of the present invention. will be.

Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive.

For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present invention is represented by the following claims, and it should be construed that all changes or modifications derived from the meaning and scope of the claims and their equivalents are included in the scope of the present invention.

100a, 100b: Vehicle communication device
110a: wired camera data receiver 110b: wireless camera data receiver
120: light detector
130a, 130b: signal converter,
140a, 140b: first data transmission unit
150a, 150b: second data transmission unit
210: first camera, 220: second camera
300: external antenna
400: A / V device
510: single conductive line, 520: RF cable

Claims (5)

A wired camera data receiver configured to receive an image signal from a first camera which is a wired camera mounted on a vehicle;
A light detector for detecting light received from a second camera, which is a wireless camera, corresponding to an image captured by the second camera, by using visible light communication, and converting the detected light into an electrical signal;
A first data transmitter for transmitting the image signal received from the first camera and the image signal converted from the light detector to a specific storage; And
Signal conversion unit for converting the RF signal received from the external antenna mounted on the outside of the vehicle into an electrical signal,
The first data transmitter and the specific reservoir are connected to a single conductive line capable of transmitting an electrical signal, and the first data transmitter is configured to transmit the electrical signal converted from the signal converter to the vehicle through the single conductive line. In-vehicle communication device to transmit to the equipped signal processing (Audio / Video) device.
delete delete The method of claim 1,
And the light detector is configured to receive light corresponding to an image from the respective cameras using the visible light communication when the second camera is plural.
The method of claim 1,
A second data transmitter for transmitting an image signal stored in the specific storage to the signal converter and transmitting the image signal to the outside of the vehicle through the external antenna;
Further, wherein the signal conversion unit converts the image signal received from the second data transmission unit into an RF signal, the second data transmission unit is connected to the signal conversion unit and the single conductive line, the vehicle communication device .

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