CN213780953U

CN213780953U - DP/HDMI/VGA interface test fixture

Info

Publication number: CN213780953U
Application number: CN202022673523.6U
Authority: CN
Inventors: 杨昆
Original assignee: Suzhou Industrial Park Huiyu Technology Co ltd
Current assignee: Suzhou Industrial Park Huiyu Technology Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-23
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to a DP HDMI VGA interface test fixture, including FPGA control module, the analytic module of video, input port, output port, USB communication module, the analytic module of input port connection video, the analytic module of video is analyzed the audio signal stream of the look that the input came in, and FPGA is input to multiplexing output all the way, USB communication module connects outside PC, and the PC end directly sends test instruction to the test. The utility model discloses an input port inserts DP HDMI VGA interface, transmits to FPGA control module after the information of input is analyzed through the video analysis module, and test is accomplished in proper order to outside PC and FPGA control module communication input test instruction, need not the plug many times of timesharing, has improved efficiency of software testing and precision of software testing, save time and cost.

Description

DP/HDMI/VGA interface test fixture

Technical Field

The utility model relates to a DP HDMI VGA interface test technical field, concretely relates to DP HDMI VGA interface test fixture.

Background

The audio interface equipment is various on the market, like multiple equipment such as cell-phone, computer, HUB, because these equipment production volume are big, the interface is more, and multiple interface probably has the defective products phenomenon in production quality, so need carry out the function to the audio frequency and video interface of these products and detect, need accomplish simultaneously that stability is high, save time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a DP HDMI VGA interface test fixture for solve the problem of the audio frequency and video interface test among the prior art.

The utility model provides a DP/HDMI/VGA interface test fixture, including FPGA control module, video analysis module, input port, output port, USB communication module, FPGA control module connects video analysis module, output port, USB communication module, input port connection video analysis module, video analysis module carries out the analysis to the audio-visual signal stream that the input came in, and multiplexing output is all the way, inputs FPGA all the way, FPGA control module for the logic of equipment is judged, the algorithm is carried out, USB communication module connects outside PC, and the PC end directly sends test instruction to the test, the input port is DP/HDMI/VGA input port, the output port is the HDMI interface.

Furthermore, the test fixture further comprises a power module for supplying power to the test fixture.

Furthermore, the system also comprises a UART interface, wherein the UART interface is connected with the FPGA control module and is connected with external equipment for data transmission.

Furthermore, the test device also comprises a voltage test module, wherein the voltage test module is connected with the input port and is used for preventing the interface from short circuit.

Further, the device also comprises an LED indicating module for indicating the test state.

Adopt above-mentioned the utility model discloses technical scheme's beneficial effect is:

the utility model discloses an input port inserts DP HDMI VGA interface, transmits to FPGA control module after the information of input is analyzed through the video analysis module, and test is accomplished in proper order to outside PC and FPGA control module communication input test instruction, need not the plug many times of timesharing, has improved efficiency of software testing and precision of software testing, save time and cost.

Drawings

FIG. 1 is a structural frame diagram of the DP/HDMI/VGA interface testing jig of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

As shown in fig. 1, the utility model provides a DP/HDMI/VGA interface test fixture, including FPGA control module, video analytic module, input port, output port, USB communication module, FPGA control module connects video analytic module, output port, USB communication module, input port connection video analytic module, the video analytic module is analyzed the audio-visual signal stream that inputs into, multiplexing output all the way, inputs FPGA all the way, FPGA control module for the logic of equipment is judged, the algorithm is executed, USB communication module connects outside PC, and the PC end directly sends test instruction to the test, the input port is DP/HDMI/VGA input port, the output port is the HDMI interface.

The test device also comprises an LED indicating module used for indicating the test state.

The DP/HDMI/VGA interface test fixture has the following working process: signals are input through a DP/HDMI/VGA interface, signal data flow is divided into two paths, one path of signals is output through a multiplexing circuit, the other path of signals is input into an FPGA control module through a video analysis module, analysis results are stored in the FPGA control module, the output results are four paths of HDMI signals, a PC end upper computer communicates with the FPGA control module through a USB communication module to send test instructions for testing, and the LED indication module indicates the test state.

The testing fixture further comprises a power module for supplying power to the testing fixture.

The voltage testing module is connected with the input port and used for preventing the interface from short circuit.

Preferably, the terminal also comprises a UART interface, wherein the UART interface is connected with the FPGA control module and is connected with external equipment for data transmission.

To sum up, the utility model discloses an input port inserts DP HDMI VGA interface, analyzes the back through the video analysis module to the information of input and transmits to FPGA control module, and outside PC and FPGA control module communication input test instruction accomplish the test in proper order, need not the plug many times of timesharing, have improved efficiency of software testing and precision of software testing, save time and cost.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a DP/HDMI/VGA interface test fixture, its characterized in that, includes FPGA control module, video analysis module, input port, output port, USB communication module, FPGA control module connects video analysis module, output port, USB communication module, input port connection video analysis module, video analysis module analyzes the audio and video signal stream of inputing, and multiplexing output all the way is inputed FPGA all the way, FPGA control module for the logic of equipment is judged, the algorithm execution, outside PC is connected to USB communication module, and the PC end directly sends test instruction to the test, the input port is DP/HDMI/VGA input port, the output port is the HDMI interface.

2. The DP/HDMI/VGA interface test fixture of claim 1, further comprising a power module for supplying power to the test fixture.

3. The DP/HDMI/VGA interface test fixture of claim 1, further comprising a UART interface, wherein the UART interface is connected with the FPGA control module and is connected with an external device for data transmission.

4. The DP/HDMI/VGA interface test fixture of claim 1, further comprising a voltage test module, wherein the voltage test module is connected to the input port and used for preventing the interface from short circuit.

5. The DP/HDMI/VGA interface test fixture of claim 1, further comprising an LED indication module for indicating a test status.