CN213213673U - Vehicle-mounted Ethernet image transmission system - Google Patents
Vehicle-mounted Ethernet image transmission system Download PDFInfo
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- CN213213673U CN213213673U CN202021637669.9U CN202021637669U CN213213673U CN 213213673 U CN213213673 U CN 213213673U CN 202021637669 U CN202021637669 U CN 202021637669U CN 213213673 U CN213213673 U CN 213213673U
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Abstract
The utility model discloses a vehicle-mounted Ethernet image transmission system. The system comprises a plurality of digital image devices, a control device and a human-computer interaction device, wherein each digital image device acquires image data around a vehicle, digitalizes the image data and outputs a digital image signal, and sends the digital image signal to the control device through an Ethernet data line, by adopting a plurality of digital image devices, the image effect around the vehicle can be ensured not to be interfered in various environments, visual blind spots in strong light or dark environment can be avoided, the occurrence of traffic accidents can be reduced, and the control device processes the digital image signals into a path of digital image signals and outputs the digital image signals to the human-computer interaction device, the human-computer interaction device analyzes the path of digital image signal, extracts image data around the vehicle, the peripheral images of the vehicle are stored, displayed and zoomed, and the observation requirement of a driver on the peripheral environment of the vehicle is met.
Description
Technical Field
The utility model relates to a vehicle electronics technical field especially relates to an on-vehicle ethernet image transmission system.
Background
At present, the popularization speed of automobiles is increased day by day, and the requirement on the running safety of the automobiles is higher and higher. In addition to being clearly seen from the image in front of the vehicle, many drivers need to have a demand for the image around the vehicle during driving, so that the drivers can conveniently know the situation around the vehicle and drive safely.
In the prior art, the images behind the vehicle are generally transmitted by adopting a simulation high-definition technology, the video effect is not clear enough, and the images are easily interfered in a complex environment to influence the judgment of a driver. Meanwhile, most vehicles do not have image facilities on the left side and the right side of the vehicle at present, so that a driver has blind areas during driving, backing and meeting, and the traffic problem is easily caused.
How to provide a vehicle-mounted Ethernet image transmission system to satisfy the driver's observation demand to the environment around the vehicle, and the image effect around the vehicle is not disturbed under various environment, reduces the emergence of incident, does not have effectual solution yet in the prior art at present.
Disclosure of Invention
In view of the above, it is necessary to provide a vehicle-mounted ethernet image transmission system.
The utility model discloses a technical means do: an in-vehicle ethernet image transmission system, the system comprising:
each digital image device acquires image data around the vehicle, digitalizes the image data, outputs a digital image signal and sends the digital image signal to the control device through an Ethernet data line;
the control device is used for receiving the digital image signals from the digital image devices and processing the digital image signals into a path of digital image signals; and
and the human-computer interaction device is used for receiving the one path of digital image signal, analyzing the one path of digital image signal and extracting the image data around the vehicle so as to store, display and zoom the images around the vehicle.
By adopting the technical scheme, the utility model provides a vehicle-mounted Ethernet image transmission system, the system includes a plurality of digital image devices, a control device and a human-computer interaction device, each digital image device collects the image data around the vehicle and outputs digital image signals after digitalizing, and sends the digital image signals to the control device through an Ethernet data line, through adopting a plurality of digital image devices, the image effect around the vehicle can be ensured not to be interfered under various environments, visual blind spots under strong light or dark environment can be avoided, the occurrence of traffic accidents can be reduced, and each digital image signal is processed by the control device to be a digital image signal and output to the human-computer interaction device, the human-computer interaction device analyzes the digital image signal and extracts the image data around the vehicle, the peripheral images of the vehicle are stored, displayed and zoomed, and the observation requirement of a driver on the peripheral environment of the vehicle is met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Wherein:
fig. 1 is a first schematic structural diagram of a vehicle-mounted ethernet image transmission system according to an embodiment;
FIG. 2 is a second schematic structural diagram of an embodiment of a vehicle-mounted Ethernet image transmission system;
FIG. 3 is a third schematic structural diagram of an embodiment of a vehicle-mounted Ethernet image transmission system;
fig. 4 is a circuit schematic of the control device in one embodiment.
Detailed Description
In order to make the objects, technical solutions and technical effects of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and not limitation. In the case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.
The terms first, second and the like in the description and in the claims, and in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be practiced otherwise than as specifically illustrated.
The utility model provides an on-vehicle ethernet image transmission system, as shown in FIG. 1, in an embodiment, on-vehicle ethernet image transmission system can include a plurality of digital image device 1, controlling means 2 and human-computer interaction device 3. Each digital imaging device of the plurality of digital imaging devices 1 acquires image data around a vehicle, digitizes the image data, outputs a digital image signal, and sends the digital image signal to a control device 2 through an Ethernet data line 4, wherein the control device 2 is used for receiving the digital image signal from each digital imaging device and processing each digital image signal into one path of digital image signal; and the human-computer interaction device 3 is used for receiving the one path of digital image signal, analyzing the one path of digital image signal, and extracting image data around the vehicle so as to store, display and zoom images around the vehicle.
The vehicle-mounted Ethernet image transmission system provided by the embodiment can ensure that the image effect around the vehicle is not interfered under various environments by adopting the plurality of digital image devices 1, avoid visual blind spots under strong light or dark environments, reduce the occurrence of traffic accidents, process each digital image signal into one path of digital image signal through the control device 2 and output the digital image signal to the man-machine interaction device 3, analyze the one path of digital image signal by the man-machine interaction device 3 and extract the image data around the vehicle so as to store, display and zoom the peripheral image of the vehicle, thereby meeting the observation requirements of a driver on the peripheral environment of the vehicle.
In one embodiment, the human-computer interaction device 3 may also record the image of the periphery of the vehicle. The human-computer interaction device 3 may also perform an input operation on the surrounding image of the vehicle.
In the present embodiment, the video signal is transmitted through the ethernet, so that high-quality video transmission can be realized. The Ethernet belongs to digital signals, can satisfy 10/100 Mbps's image transmission bandwidth, because the code stream of general 1080P image is generally about 12 ~ 14Mbps, to the high definition image of 1080P of transmission through the Ethernet, can satisfy the driver completely to the observation demand of vehicle surrounding environment.
In one embodiment, as shown in fig. 1, the ethernet data line 4 is also used to supply power to each of the digital video apparatuses.
In one embodiment, the digital video apparatus may include an image acquisition module and a camera module, as shown in fig. 3, the digital video apparatus 11 may include an image acquisition module 111 and a camera module 112, the image acquisition module 111 is configured to acquire image data of the periphery of the vehicle, and the camera module 112 is configured to process the acquired image data with an image signal and digitally encode the acquired image data to obtain digital image data. Specifically, the camera module may obtain a digital image signal after being processed by an ISP and encoded by an H264. The digital image signal may be output through an ethernet interface.
In one embodiment, the image acquisition module may include a first image sensor, the camera module may include a first ethernet chip, the control device may include a second ethernet chip, and the human-computer interaction device may include a third ethernet chip.
In one embodiment, the first image sensor may employ an IMX307 chip, the first ethernet chip may employ an NT96671 chip, the second ethernet chip may employ an RTL8305 chip, and the third ethernet chip may employ an NT96670 chip. Specifically, the first ethernet chip, the second ethernet chip, and the third ethernet chip have a transmitting anode TXP, a transmitting cathode TXN, a receiving anode RXP, and a receiving cathode RXN for receiving and transmitting ethernet signals.
Specifically, the IMX307 chip is a CMOS active pixel type solid-state image sensor with a 6.46mm (1/2.8 type) diagonal line, having a square pixel array and 2.13M active pixels. The NT96671 chip is internally provided with a high-performance ISP (image signal processing), can process the image data volume of 200W in real time, can easily teach IQ (image quality) effect, and meets the problem that a driver cannot see clearly in scenes such as a bright light environment/dark environment. The RTL8305 chip can be connected with four digital image devices and is used for supporting digital image transmission of the vehicle in four directions. The NT96670 chip has rich man-machine interfaces and can interact with users, and a PHY module built in the NT96670 chip can interact with the RTL8305 chip to realize multi-path Ethernet signal access.
Specifically, the IMX307 chip has 4 MIPI interfaces and I2C interfaces, the IMX307 chip may be connected to the NT96671 chip through each MIPI interface, the NT96671 chip has an I2C interface, and the NT96671 chip establishes communication with the NT96671 chip in an I2C communication manner.
In one embodiment, the second ethernet chip U1 may be configured with an I2C communication interface. As shown in fig. 4, the 25 pins and the 26 pins of the second ethernet chip U1 may be configured as a communication interface of the second ethernet chip U1 for I2C communication. Further, the control device 2 may include an I2C communication circuit 23, and the 25 pins and the 26 pins of the second ethernet chip U1 may be respectively connected to the I2C communication circuit 23.
In one embodiment, the control device 2 may include a crystal oscillation circuit 22, and the crystal oscillation circuit 22 may be connected to the second ethernet chip U1 for providing a clock signal to the second ethernet chip U1. As shown in fig. 4, pins 38 and 39 of the second ethernet chip U1 may be connected to the crystal oscillation circuit 22, respectively. The crystal oscillation circuit is connected with the second Ethernet chip U1 and used for providing clock signals for the second Ethernet chip U1.
In an embodiment, the second ethernet chip may be configured with four input interfaces and one output interface, where the four input interfaces are configured to receive digital image signals output by the digital image devices, and the one output interface is configured to output one digital image signal to the human-computer interaction device 3. As shown in fig. 4, pins 44 to 47 of the second ethernet chip U1 may be connected to a first path of the digital image device, pins 1 to 4 of the second ethernet chip U1 may be connected to a second path of the digital image device, pins 19 to 22 of the second ethernet chip U1 may be connected to a third path of the digital image device, pins 14 to 17 of the second ethernet chip U1 may be connected to a fourth path of the digital image device, and pins 44 to 47, pins 1 to 4, pins 19 to 22, and pins 14 to 17 of the second ethernet chip U1 may also be connected to the fourth path, the third path, the second path, and the first path of the digital image device, respectively, or may be connected in other sequences, which is not limited in this application. The pins 9 to 12 of the second ethernet chip U1 may be connected to the human-computer interaction device 3, and are configured to output a digital image signal to the human-computer interaction device 3.
In one embodiment, the control device 2 may include a loop detection circuit 21, the loop detection circuit 21 may be connected to the second ethernet chip U1, and as shown in fig. 4, the pin 28 of the second ethernet chip U1 may be connected to the loop detection circuit 21. After the network loop detection function is started, the second ethernet chip U1 detects whether a network loop exists according to the loop detection circuit 21, and when the second ethernet chip U1 detects that a network loop exists, the second ethernet chip U1 drives an external alarm device, which may include an LED and/or a buzzer.
In one embodiment, the control device 2 may include a reset circuit 24, the reset circuit 24 may be connected to the second ethernet chip U1, and as shown in fig. 4, the pin 27 of the second ethernet chip U1 may be connected to the reset circuit 24.
In one embodiment, as shown in fig. 2, the plurality of digital imaging devices are four and are respectively disposed in front of, behind, left of and right of the vehicle, specifically, the digital imaging device 11 may be disposed in front of the vehicle, the digital imaging device 12 may be disposed in back of the vehicle, the digital imaging device 13 may be disposed in left of the vehicle, and the digital imaging device 14 may be disposed in right of the vehicle, so as to meet the viewing requirement of the driver for the surrounding environment of the vehicle. The digital imaging device may be disposed on the vehicle body at the door position, the trunk, the hood, and the left and right side mirrors of the vehicle, and the present application is not limited to these positions, and the installation position of the digital imaging device is not limited as long as the position of the surrounding situation of the vehicle can be effectively photographed.
In one embodiment, the ethernet data line connecting each digital video apparatus to the control apparatus 2 may be 5-7 meters. The embodiment adopts ethernet transmission to meet the transmission distance requirement of the vehicle-mounted environment, and the ethernet can meet the transmission range of about 100 under normal conditions. In this embodiment, the digital imaging devices are respectively disposed in front of, behind, on the left of, and on the right of the vehicle, each digital imaging device is connected to the control device 2 through the ethernet data line, and the ethernet data line may be 5 to 7 meters, which can meet the wiring distance requirement of vehicle-mounted ethernet image transmission. The embodiment adopts Ethernet transmission, can realize the remote transmission requirement of multi-path digital image signals, meets the environmental observation requirements of drivers for the front, the rear, the left and the right of the vehicle, is safe to drive, by adopting a plurality of digital imaging devices 1, the imaging effect around the vehicle can be ensured not to be interfered under various environments, visual blind spots under strong light or dark environment can be avoided, the occurrence of traffic accidents can be reduced, and the control device 2 processes each digital image signal into a path of digital image signal and outputs the digital image signal to the human-computer interaction device 3, the human-computer interaction device 3 analyzes the digital image signal, extracts the image data around the vehicle, the peripheral images of the vehicle are stored, displayed and zoomed, so that the observation requirements of a driver on the peripheral environment of the vehicle are met, and a good social effect and an economic effect are generated.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims. Please enter the implementation content part.
Claims (10)
1. An on-vehicle ethernet image transmission system, the system comprising:
each digital image device acquires image data around the vehicle, digitalizes the image data, outputs a digital image signal and sends the digital image signal to the control device through an Ethernet data line;
the control device is used for receiving the digital image signals from the digital image devices and processing the digital image signals into a path of digital image signals; and
and the human-computer interaction device is used for receiving the one path of digital image signal, analyzing the one path of digital image signal and extracting the image data around the vehicle so as to store, display and zoom the images around the vehicle.
2. The vehicular Ethernet image transmission system according to claim 1,
the Ethernet data line is also used for supplying power to each digital image device.
3. The vehicular ethernet video transmission system according to claim 2, wherein the digital video device comprises:
the image acquisition module is used for acquiring image data of the periphery of the vehicle; and
and the camera module is used for processing the acquired image data through an image signal and carrying out digital coding to obtain digital image data.
4. The vehicular Ethernet image transmission system according to claim 3,
the image acquisition module comprises a first image sensor;
the camera module comprises a first Ethernet chip;
the control device comprises a second Ethernet chip;
the human-computer interaction device comprises a third Ethernet chip.
5. The vehicular Ethernet image transmission system according to claim 4,
the second ethernet chip configures an I2C communication interface.
6. The vehicular ethernet image transmission system according to claim 4, wherein the control device comprises a crystal oscillation circuit;
the crystal oscillation circuit is connected with the second Ethernet chip and used for providing clock signals for the second Ethernet chip.
7. The vehicular Ethernet image transmission system according to claim 4,
the second Ethernet chip is provided with four input interfaces and one output interface;
the four input interfaces are used for receiving digital image signals output by the digital image devices;
and the output interface is used for outputting a digital image signal to the human-computer interaction device.
8. The vehicular Ethernet image transmission system according to claim 4,
the first image sensor adopts an IMX307 chip;
the first Ethernet chip adopts an NT96671 chip;
the second Ethernet chip adopts an RTL8305 chip;
the third Ethernet chip adopts NT96670 chip.
9. The vehicular Ethernet image transmission system according to any one of claims 1 to 8,
the plurality of digital photographing devices are arranged in four, and are respectively arranged in front of, behind, to the left of and to the right of the vehicle.
10. The vehicular Ethernet image transmission system according to any one of claims 1 to 8,
the Ethernet data line connecting each digital image device and the control device is 5-7 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021637669.9U CN213213673U (en) | 2020-08-07 | 2020-08-07 | Vehicle-mounted Ethernet image transmission system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021637669.9U CN213213673U (en) | 2020-08-07 | 2020-08-07 | Vehicle-mounted Ethernet image transmission system |
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| CN213213673U true CN213213673U (en) | 2021-05-14 |
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| CN202021637669.9U Active CN213213673U (en) | 2020-08-07 | 2020-08-07 | Vehicle-mounted Ethernet image transmission system |
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