CN115631731A - Production line test electronic system and test method - Google Patents
Production line test electronic system and test method Download PDFInfo
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- CN115631731A CN115631731A CN202211397311.7A CN202211397311A CN115631731A CN 115631731 A CN115631731 A CN 115631731A CN 202211397311 A CN202211397311 A CN 202211397311A CN 115631731 A CN115631731 A CN 115631731A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
Abstract
The invention belongs to the technical field of vehicle-mounted electronics, and particularly relates to a production line test electronic system and a test method.
Description
Technical Field
The invention belongs to the technical field of vehicle-mounted electronics, and particularly relates to a production line test electronic system and a test method.
Background
With the application of DLP technology and micro led technology to vehicle lamps, the imaging and interactive functions of vehicle lamps become practical. Bringing great convenience to the auxiliary automatic driving function. As shown in FIG. 1, the DLP vehicle lamp module mainly comprises a DLP controller, an LVDS cable and a DLP vehicle lamp. Production and test of DLP car light controller have proposed new demand to producing the tool. In the phase of producing the DLP controller, the most direct way is to use the DLP vehicle lamp as a test device to test whether the display function of the DLP controller is normal.
The application of DLP technology and micro LED technology in the aspect of vehicle lamps enables the vehicle lamps to project very complicated and rich contents. The method provides great help for assisting automatic driving. The appearance of DLP car lamps and micro LED car lamps and the development and production of corresponding controllers also appear. The technologies not only provide new requirements for the development stage, but also provide new requirements and challenges for the existing automobile lamp production enterprises in the production testing link. A production line is produced in DLP car lamp controller production, and the display function of the DLP car lamp controller needs to be tested. If utilize the DLP car light as the test equipment, not only with high costs, the eyes of operating personnel are harmd easily to the hi-lite of DLP car light moreover, bring the injury to staff's health.
Therefore, it is desirable to design a new electronic system and method for testing a production line based on the above technical problems.
Disclosure of Invention
The invention aims to provide a production line test electronic system and a test method.
In order to solve the above technical problem, the present invention provides a production line testing electronic system, including:
a signal output unit for outputting a signal to the display unit,
a conversion unit, and
the signal output unit is electrically connected with the conversion unit, the conversion unit is electrically connected with the display unit, the signal output unit is suitable for outputting video data and/or control signals, and the conversion unit is suitable for converting the video data and/or control signals output by the signal output unit into a data format adaptive to the display unit so as to display the video data and/or control signals through the display unit according to the converted video data and/or control signals.
Further, the signal output unit includes: a DLP vehicle lamp controller;
the DLP vehicle lamp controller is suitable for outputting video data and/or control signals.
Further, the conversion unit includes: an adapter plate;
the adapter plate is provided with a plurality of deserializers;
the deserializer is adapted to convert video data and/or control signals into a display unit adapted data format.
Further, the display unit includes: an LCD display screen;
the LCD display screen is suitable for displaying according to the video data and/or the control signals converted by the conversion unit.
Further, the signal output unit and the conversion unit are connected through an LVDS cable.
Further, the LVDS cable is adapted to employ a coaxial cable, a shielded twisted pair, and a shielded quad.
Further, the video output interface of the signal output unit is suitable for adopting HDMI, MIPI DSI, RGB and eDP interfaces.
On the other hand, the invention also provides a test method for testing the electronic system by adopting the production line, which comprises the following steps:
and converting the video data and/or the control signal output by the signal output unit into a data format adapted by the display unit through the conversion unit so as to display according to the converted video data and/or control signal through the display unit.
The invention has the beneficial effects that through the signal output unit, the conversion unit and the display unit, the signal output unit is electrically connected with the conversion unit, the conversion unit is electrically connected with the display unit, the signal output unit is suitable for outputting video data and/or control signals, the conversion unit is suitable for converting the video data and/or control signals output by the signal output unit into a data format adapted to the display unit, so that the video data and/or control signals are displayed through the display unit according to the converted video data and/or control signals, and the LCD is adopted in the display unit for displaying, so that the cost is reduced, and the direct observation by naked eyes of an operator is facilitated.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
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 embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic block diagram of a prior art test apparatus;
FIG. 2 is a schematic block diagram of a production line test electronics system of the present invention;
FIG. 3 is a detailed schematic block diagram of the in-line test electronics system of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 2 and fig. 3, embodiment 1 provides an in-line test electronic system, including: the signal output unit is electrically connected with the conversion unit, the conversion unit is electrically connected with the display unit, the signal output unit is suitable for outputting video data and/or control signals, and the conversion unit is suitable for converting the video data and/or control signals output by the signal output unit into a data format adaptive to the display unit so as to display the video data and/or control signals according to the converted video data and/or control signals through the display unit; DLP vehicle light controllers are typically installed at a remote location from the vehicle lights. To ensure the stability of the transmission, the DLP vehicle lamp controller transmits video data/control signals to the DLP vehicle lamp through the LVDS cable. The video output of a DLP vehicle lamp controller typically employs a coaxial cable, or HSD interface. The common LCD is generally in interface forms of RGB/MIPI DSI and the like. The LVDS cable may remain unchanged in the test setup. A transfer board is required to be developed between the LVDS cable and the common LCD to complete the data format conversion from the LVDS signal to the RGB/MIPI DSI interface; according to the characteristic that the common LCD and the DLP vehicle lamp have the same display function, in the production line testing stage, the testing equipment manufactured by the common LCD is utilized to complete the testing of the display function of the DLP vehicle lamp controller. The DLP vehicle lamp has higher resolution and can complete the display of complex graphic contents. LCD and DLP display technologies, although different in implementation technology, are substantially identical in display characteristics and display interface. By utilizing the characteristic, the production test of the display function of the DLP controller can be completed by using a common LCD as test equipment in the production stage.
In this embodiment, the signal output unit includes: a DLP vehicle lamp controller; the DLP vehicle lamp controller is suitable for outputting video data and/or control signals; the DLP vehicle lamp controller is the tested device, and its basic function is to analyze the signals of the host computer and each control unit at the vehicle body end, control the DLP vehicle lamp to output specific high and low beam light shapes, project display contents, etc. The core processing unit of the DLP vehicle lamp controller is a processor, and display content is output through a video output interface of the processor. The video output interface of the processor generally has the interface forms of HDMI, MIPI DSI, RGB, eDP and the like. In order to realize the long-distance transmission of the video on the vehicle and meet the requirements of vehicle specifications, a serializer is required to be added to convert the video output interface signal of the processor into LVDS signal transmission.
In this embodiment, the conversion unit includes: an adapter plate; the adapter plate is provided with a plurality of deserializers; the deserializer is adapted to convert video data and/or control signals into a display unit adapted data format; and the adapter plate is used for completing the protocol conversion from the LVDS signals to the common LCD display screen interface. The deserializer is the core device on the patch panel. And selecting deserializers of different manufacturers/models according to different LVDS transmission standards to convert LVDS signals into common LCD display screen interface signals.
In this embodiment, the display unit includes: an LCD display screen; the LCD display screen is suitable for displaying according to the video data and/or the control signals converted by the conversion unit; and the common LCD display screen is used for replacing the DLP vehicle lamp to complete the display function of the DLP vehicle lamp controller. The LCD display screen and the DLP car lamp are high-resolution display equipment, and the LCD display screen with the same resolution and the same display interface can be selected to be used as test equipment of a DLP car lamp controller. Compare in the DLP car light, ordinary LCD display screen has with low costs, characteristics that luminance is little. The method has obvious advantages for reducing production line production cost and preventing the eyes of operators from being damaged. In a specific implementation, a commercially available DLP/LCD/LCOS projector, in terms of cost and brightness, is similar to a conventional LCD display screen. Can be directly observed by naked eyes. Therefore, the commercial projector and the display screen are also an alternative form of the common LCD display screen.
In this embodiment, the signal output unit and the conversion unit are adapted to be connected through an LVDS cable; and the LVDS cable is used for transmitting the video signal and the control signal in a long distance. The transmission standards supporting LVDS cables are APIX, FPD-LINK III, GMSL, clocklessLink and the like. For different transmission standards, the LVDS cable may be implemented by a coaxial cable, a shielded twisted pair, a shielded quad, etc. In order to ensure the accuracy of the test of the DLP vehicle lamp controller, the LVDS cable can adopt a DLP vehicle lamp matching cable.
In this embodiment, the video output interface of the signal output unit is suitable for HDMI, MIPI DSI, RGB, and eDP interfaces.
Example 2
On the basis of embodiment 1, this embodiment 2 further provides a method for testing an electronic system by using the production line in embodiment 1, including: and converting the video data and/or the control signal output by the signal output unit into a data format adapted by the display unit through the conversion unit so as to display according to the converted video data and/or control signal through the display unit.
In summary, according to the present invention, the signal output unit is electrically connected to the conversion unit, the conversion unit is electrically connected to the display unit, the signal output unit is adapted to output video data and/or control signals, the conversion unit is adapted to convert the video data and/or control signals output by the signal output unit into a data format adapted to the display unit, so as to display the video data and/or control signals according to the converted video data and/or control signals through the display unit, and the LCD is used in the display unit for displaying, so that the cost is reduced, and the direct observation by the naked eye of the operator is facilitated.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, the functional modules in the embodiments of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. A production line test electronics system, comprising:
a signal output unit for outputting a signal to the display unit,
a conversion unit, and
the signal output unit is electrically connected with the conversion unit, the conversion unit is electrically connected with the display unit, the signal output unit is suitable for outputting video data and/or control signals, and the conversion unit is suitable for converting the video data and/or control signals output by the signal output unit into a data format adaptive to the display unit so as to display the video data and/or control signals through the display unit according to the converted video data and/or control signals.
2. The in-line test electronics system of claim 1,
the signal output unit includes: a DLP vehicle lamp controller;
the DLP vehicle lamp controller is adapted to output video data and/or control signals.
3. The in-line testing electronic system of claim 1,
the conversion unit includes: a patch panel;
the adapter plate is provided with a plurality of deserializers;
the deserializer is adapted to convert the video data and/or control signals into a display unit adapted data format.
4. The in-line testing electronic system of claim 1,
the display unit includes: an LCD display screen;
the LCD display screen is suitable for displaying according to the video data and/or the control signals converted by the conversion unit.
5. The in-line testing electronic system of claim 1,
the signal output unit and the conversion unit are suitable for being connected through an LVDS cable.
6. The in-line test electronics system of claim 5,
the LVDS cable is suitable for adopting a coaxial cable, a shielding twisted pair and a shielding four-twisted pair.
7. The in-line testing electronic system of claim 1,
the video output interface of the signal output unit is suitable for adopting HDMI, MIPIDSI, RGB and eDP interfaces.
8. A method for testing electronic systems using the production line of claim 1, comprising:
and converting the video data and/or the control signal output by the signal output unit into a data format adapted by the display unit through the conversion unit so as to display according to the converted video data and/or control signal through the display unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211397311.7A CN115631731A (en) | 2022-11-09 | 2022-11-09 | Production line test electronic system and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211397311.7A CN115631731A (en) | 2022-11-09 | 2022-11-09 | Production line test electronic system and test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115631731A true CN115631731A (en) | 2023-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211397311.7A Pending CN115631731A (en) | 2022-11-09 | 2022-11-09 | Production line test electronic system and test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115631731A (en) |
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- 2022-11-09 CN CN202211397311.7A patent/CN115631731A/en active Pending
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