CN210927787U - Image collector and system - Google Patents
Image collector and system Download PDFInfo
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- CN210927787U CN210927787U CN201922216728.9U CN201922216728U CN210927787U CN 210927787 U CN210927787 U CN 210927787U CN 201922216728 U CN201922216728 U CN 201922216728U CN 210927787 U CN210927787 U CN 210927787U
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Abstract
An image collector and a system, the image collector comprises: the signal decoding unit (11) is used for decoding the acquired FPD _ LINK protocol video signal to obtain an LVDS signal; the distribution circuit (12) is used for distributing the decoded LVDS signals to obtain at least two paths of signals and sending a first path of signals to the conversion unit (13); and the conversion unit (13) is used for converting the first path of signals into MIPI signals of the CAM. And the CPU (14) is used for receiving the MIPI signals sent by the conversion unit (13) and decoding and converting the MIPI signals to obtain streaming media videos. The utility model discloses embodiment's image collector shows the video image information of car host computer on car LCD screen, and the storage can be in the car research and development stage, and the information that the car host computer sent is transferred and observed at any time, provides the basis for the system that improves the car.
Description
Technical Field
The utility model belongs to the technical field of the signal acquisition technique and the video signal gathers the technical field, especially, relate to an image collector and system.
Background
With the development of science and technology, more and more electric automobiles exist in the market. The electric automobile is more and more intelligent, more liquid crystal panels are used, various automobile state information can be displayed on the panels in real time, and then more and more high-speed signal wires are used for transmitting audio and video information. Because the automobile structural environment is huge and complicated, the signals are mostly displayed by the communication of a high-speed FPD-LINK III protocol based on Texas instruments in the prior electric automobile.
Vehicles are increasingly using liquid crystal screens to display information about the vehicle. However, because the refresh rate of the liquid crystal screen of the automobile is high, different information needs to be displayed at every moment, and some information is real-time information with high real-time performance, such as the current temperature, the residual electric quantity and the residual oil quantity of the automobile.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
The utility model aims at providing an image collector and system can automatic acquisition image often.
(II) technical scheme
In order to solve the above problem, a first aspect of the present invention provides an image collector, including: the signal decoding unit is used for decoding the FPD _ LINK protocol video signal sent by the host computer of the automobile to obtain an LVDS signal; the distribution circuit is used for distributing the decoded LVDS signals to obtain at least two paths of signals and sending a first path of signals to the conversion unit; the conversion unit is used for converting the first path of signal into an MIPI signal of the camera; and the CPU is used for receiving the MIPI signals sent by the conversion unit, decoding and converting the MIPI signals to obtain streaming media videos, and the streaming media videos are used for being stored and displayed by an external computer.
And further, the second path of signal obtained by the distribution circuit is used for the liquid crystal screen of the automobile to display.
Further, the signal decoding unit is used for being connected with the host computer of the automobile and receiving the FPD _ LINK protocol video signal sent by the host computer of the automobile.
Further, the signal decoding unit, the distribution circuit, the conversion unit and the CPU unit are welded on a circuit board.
According to the second aspect of the present invention, there is also provided an image capturing system, comprising an automobile, a computer and the image capturing device provided in the first aspect; and the computer is used for displaying images based on the decoded and converted MIPI signals.
Further, the system also comprises a power supply which is respectively and electrically connected with the signal decoding unit, the distribution circuit, the conversion unit and the CPU unit.
Further, the computer is also connected with a host of the automobile and receives FPD _ LINK protocol video signals sent by the host; and the computer is also used for comparing an image obtained based on the decoded and converted MIPI interface signal with an image obtained based on the FPD _ LINK protocol video signal.
Further, the system also comprises an information prompt module which is connected with the computer; the computer is also used for generating a control signal if the error of the comparison between the image obtained based on the decoded and converted MIPI interface signal and the image obtained based on the FPD _ LINK protocol video signal is higher than a preset value; and the information prompting module sends out a prompting message based on the control signal.
Further, the prompting message includes a voice message or a display message.
Further, the automobile also comprises a liquid crystal screen, and the liquid crystal screen receives a second path of signal obtained by the distribution circuit; and the liquid crystal screen displays an image based on the second path of signal.
(III) advantageous effects
The above technical scheme of the utility model has following profitable technological effect:
the utility model discloses embodiment provides an image collector will show the video image information of car host computer on car LCD screen, shows respectively on LCD screen and outside computer, is of value to at the car research and development stage, transfers at any time and observes the display information that the car host computer sent for car LCD screen, is convenient for learn all image data that the car host computer will show, provides the basis for the system that improves the car. The utility model discloses embodiment provides an image collector also can provide long-time information acquisition service for the durable test stage of car environment.
The embodiment of the utility model provides an image acquisition system sends the demonstration information for car LCD screen through computer display car host computer, can observe often whether the demonstration information is accurate, when showing information inaccurate, can send the prompt message to the demonstration information of suggestion technical staff car is inaccurate, provides the basis for the system of improvement car.
Drawings
Fig. 1 is a schematic structural diagram of an image collector according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a distribution circuit according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an image capturing system according to an embodiment of the present invention.
Reference numerals
10: an image collector; 11: a signal decoding unit; 12: a distribution circuit; 13: a conversion unit; 14: a CPU unit; 20: an automobile; 21; a host; 22: a liquid crystal screen; 30: a computer; 40: an information prompt module; 50: a power source.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In the description of the present invention, it should be noted that the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Fig. 1 is a schematic structural diagram of an image collector according to an embodiment of the present invention.
As shown in fig. 1, the image acquirer 10 includes: a signal decoding unit 11, a distribution circuit 12, a conversion unit 13, and a CPU unit 14.
The signal decoding unit 11 is configured to decode the acquired FPD _ LINK protocol video signal to obtain an LVDS signal.
Specifically, the host 21 of the automobile 20 is connected to the signal decoding unit 11, and when the automobile host is started or after the automobile host is started, the host of the automobile transmits a high-definition video signal (for example, an FPD _ LINK protocol video signal) to the signal decoding unit 11, and the signal decoding unit 11 decodes the obtained information into an LVDS signal for the lcd screen to recognize.
The high-definition video signal is, for example, parameter information related to the inside of the automobile, and is mainly information for displaying on a liquid crystal screen of the automobile. The parameter information related to the inside of the automobile includes, for example, parameters such as the temperature inside the automobile, the speed of the automobile, and the remaining capacity of the automobile.
Alternatively, the signal decoding unit 11 may be a decoding chip. For example: a DS90UB948 chip, or a DS90UB928 chip.
The distribution circuit 12 is configured to distribute the decoded LVDS signals to obtain at least two paths of signals, and send a first path of signal to the conversion unit 13.
And a converting unit 13, configured to convert the first path signal from the LVDS signal into the MIPI signal of the CAM.
The conversion unit 13 is, for example, an LT8918L chip.
In one embodiment, the image collector further includes a CPU unit 14; and the CPU unit 14 is configured to receive the MIPI interface signal sent by the converting unit 13, decode the MIPI interface signal to obtain a streaming video, where the streaming video is used for being displayed and stored by an external computer 30. The external computer 30 may be a notebook computer or a desktop computer.
In one embodiment, the second signal obtained by the distribution circuit 2 is used for displaying on the lcd screen 22 of the vehicle 20.
Preferably, the above-described signal decoding unit 11, distribution circuit 12, conversion unit 13, and CPU unit 14 are soldered to one circuit board.
In one embodiment, CPU unit 14 is also used to store the MIPI interface signals.
Fig. 2 is a circuit diagram of a distribution circuit according to an embodiment of the present invention.
As shown in fig. 2, inside the dashed box is a distribution circuit comprising two 100 ohm resistors, where DS90UB948 chip/DS 90UB928 chip is represented as a decoding unit, DSUB947 is a chip corresponding to a liquid crystal screen, and LT8918L is represented as a switching unit.
Preferably, the resistance near the decoding unit and the length between the liquid crystal screen and the converting unit are both less than 75 mm.
Preferably, the resistance far from the decoding unit and the length between the liquid crystal screen and the conversion unit are both less than 60 mm.
Fig. 3 is a schematic structural diagram of an image capturing system according to an embodiment of the present invention.
As shown in fig. 3, the image acquisition system includes: comprises an automobile 20, a movable device and the image collector 10 provided by the embodiment; and the removable device is used for storing the streaming media video.
In one embodiment, the removable device may be a computer, and the computer 30 is also used to display streaming video.
In one embodiment, the mobile device is a computer, which is further connected to the host 21 of the automobile 20, and receives the FPD _ LINK protocol video signal sent by the host 21; the computer 30 is further configured to compare an image obtained based on the decoded and converted MIPI interface signal with an image obtained based on the FPD _ LINK protocol video signal.
In a preferred embodiment, the system further comprises an information prompt module 40 connected to the computer 30; the computer 30 is further configured to generate a control signal if an error of a comparison between an image obtained based on the decoded and converted MIPI interface signal and an image obtained based on the FPD _ LINK protocol video signal is higher than a preset value; and the information prompting module 40 sends out a prompting message based on the control signal.
Optionally, the prompting message comprises a voice message or a display message.
Wherein, the voice message is, for example, voice broadcast information, such as voice broadcast, "there is an error between the image signal sent to the liquid crystal screen by the host and the image signal displayed by the computer at present",
alternatively, the information prompt module 40 may be a buzzer, and when the buzzer receives the control signal, the buzzer sends out a buzzer alarm.
In one embodiment, the information prompt module 40 may be disposed in the computer 30, and when the information prompt module 40 receives the control signal, the information prompt module 40 sends a display message, and actually the display message may be a pop-up window sent in a display screen of the computer to prompt that an error exists.
In one embodiment, the vehicle 20 further includes a liquid crystal screen 22, and the liquid crystal screen 22 receives the second signal obtained by the distribution circuit 12; the liquid crystal screen 22 displays an image based on the second path signal.
In one embodiment, a power supply 15 is further included, which is electrically connected to the signal decoding unit 11, the distribution circuit 12, the conversion unit 13 and the CPU unit 14, respectively, for supplying power to the above-mentioned devices.
Specifically, the high-definition video signal of the automobile is connected to a signal decoding unit of the circuit board, and an Ethernet interface is connected to a computer in a wired mode. Then, the power supply 50 starts supplying power.
The above technical scheme of the utility model has following profitable technological effect:
the embodiment of the utility model provides an image collector shows the video image information of car host computer on car LCD screen, shows on the computer, is of value to in the car research and development stage, observes often and transfers the display information that the car host computer sent for car LCD screen, provides the basis for improving the structure of car, also can provide long-time information acquisition service for the durable test stage of car environment.
The embodiment of the utility model provides an image acquisition system sends the demonstration information for car LCD screen through computer display car host computer, can observe often whether the demonstration information is accurate, when showing information inaccurate, can send the prompt message to the demonstration information of suggestion technical staff car is inaccurate, provides the basis for improving the structure of car.
It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. An image collector, comprising:
the signal decoding unit (11) is used for decoding the FPD _ LINK protocol video signal sent by the host computer of the automobile to obtain an LVDS signal;
the distribution circuit (12) is used for distributing the decoded LVDS signals to obtain at least two paths of signals and sending a first path of signals to the conversion unit;
the conversion unit (13) is used for converting the first path of signal into an MIPI signal of the camera;
and the CPU (14) is used for receiving the MIPI interface signal sent by the conversion unit (13), decoding and converting the MIPI interface signal to obtain a streaming media video, and the streaming media video is used for being stored and/or displayed by an external computer (30).
2. The image collector of claim 1,
and the second path of signal obtained by the distribution circuit (12) is used for displaying on a liquid crystal screen of the automobile.
3. The image collector according to claim 1, wherein the signal decoding unit (11) is connected to the host computer of the automobile and receives the FPD _ LINK protocol video signal sent by the host computer of the automobile.
4. The image collector of any one of claims 1-3,
the signal decoding unit (11), the distribution circuit (12), the conversion unit (13) and the CPU unit (14) are welded on a circuit board.
5. An image acquisition system, characterized by comprising a car (20), a mobile device and an image acquirer (10) according to any one of claims 1-4;
the removable device stores the streaming media video.
6. The image acquisition system according to claim 5,
and the power supply (50) is electrically connected with the signal decoding unit (11), the distribution circuit (12), the conversion unit (13) and the CPU unit (14) respectively.
7. The image acquisition system according to claim 5, characterized in that the movable device is a computer (30);
the computer is also connected with a host (21) of the automobile (20) and receives FPD _ LINK protocol video signals sent by the host (21);
and the computer is also used for comparing an image obtained based on the decoded and converted MIPI interface signal with an image obtained based on the FPD _ LINK protocol video signal.
8. The image acquisition system of claim 7, further comprising
The information prompt module (40) is connected with the computer;
the computer is also used for generating a control signal if the error of the comparison between the image obtained based on the decoded and converted MIPI interface signal and the image obtained based on the FPD _ LINK protocol video signal is higher than a preset value;
and the information prompting module (40) sends out a prompting message based on the control signal.
9. The image acquisition system of claim 8, wherein the prompting message comprises a voice message or a display message.
10. The image acquisition system according to any one of claims 6 to 9,
the automobile (20) further comprises a liquid crystal screen (22), and the liquid crystal screen (22) receives the second path of signals obtained by the distribution circuit (12);
the liquid crystal screen (22) displays an image based on the second path of signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922216728.9U CN210927787U (en) | 2019-12-05 | 2019-12-05 | Image collector and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922216728.9U CN210927787U (en) | 2019-12-05 | 2019-12-05 | Image collector and system |
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| Publication Number | Publication Date |
|---|---|
| CN210927787U true CN210927787U (en) | 2020-07-03 |
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| CN201922216728.9U Active CN210927787U (en) | 2019-12-05 | 2019-12-05 | Image collector and system |
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| CN (1) | CN210927787U (en) |
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- 2019-12-05 CN CN201922216728.9U patent/CN210927787U/en active Active
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