Multi-channel display screen module signal generator, test equipment and system

Abstract

The utility model provides a multichannel display screen module signal generator, a test device and a system. The multichannel display screen module signal generator comprises a power supply system; the data interaction system comprises a switch module which comprises a plurality of output ports; any regulation and control system comprises a main control module, a signal bridging module and a power output module, the signal bridging module is connected with the main control module, the input end of the power output module is connected with the power supply system, and the plurality of main control modules are respectively connected with the plurality of output ports; and the output ends of the power supply output module, the signal bridging module and the main control module are all connected to the display systems. The data interaction system is connected with the plurality of regulation and control systems, and the corresponding display systems are independently configured through the regulation and control systems, so that the purpose that each regulation and control system can independently control and lighten different display systems is achieved, and in addition, the system also has the advantages of being smaller in overall size, more convenient to use and the like. The hardware cost is lower, and the structural layout is more reasonable.

Description

Technical Field

[0001] The utility model relates to the technical field of testing equipment, in particular to a multi-channel display screen module signal generator, testing equipment and system. Background Art

[0002] In today's era of rapid advancements in display technology, display modules such as LCD, OLED, and Micro LED have become an indispensable component of electronic products. To ensure these modules meet high-quality standards before shipment, display module signal generators play a crucial role. These devices can generate a variety of signal types, such as MIPI (C-PHY and D-PHY), DP, eDP, LVDS, and RGB, to illuminate and test display modules, ensuring stable operation in various environments.

[0003] Multi-channel display module signal generators play a crucial role in the production and quality inspection of display modules. They can simultaneously drive multiple displays, effectively improving the efficiency of production processes such as experimental testing, high-temperature aging testing, and high- and low-temperature life testing. However, existing multi-channel display module signal generator technology has certain limitations.

[0004] On the one hand, traditional multi-channel display module signal generators are composed of multiple single-channel module signal generators spliced ​​together. Although this solution can achieve multi-channel functions, its large size, high cost, and complex network switch networking requirements make it inflexible in practical applications and gradually eliminated from the market. On the other hand, the use of a single master control multi-channel module signal generator, while reducing size and cost to a certain extent, can only illuminate multiple display modules of the same model at the same time, which greatly limits its application in special scenarios, such as experimental testing that requires simultaneous illumination of multiple display modules of different models, and the need to simultaneously illuminate multiple display modules of different models in multi-screen applications of new energy vehicles.

[0005] Based on the above problems, the current multi-channel display module signal generator is greatly restricted in terms of usage scenarios, production costs and flexibility of use. Summary of the Invention

[0006] To this end, the technical problem to be solved by the present invention is to overcome the problems in the prior art of the multi-channel display module signal generator having limitations in terms of usage scenarios, production costs and flexibility of use, and to provide a multi-channel display module signal generator, testing equipment and system.

[0007] In order to solve the above technical problems, the present invention provides a multi-channel display screen module signal generator, which includes: a power supply system; a data interaction system, the data interaction system is connected to the power supply system, and it includes a switch module, the switch module is connected to the network port, and it includes multiple output ports; multiple control systems, multiple main control modules are respectively connected to multiple output ports; multiple display systems, multiple display systems are arranged in a one-to-one correspondence with multiple control systems, and the output end of the power output module, the output end of the signal bridging module, and the output end of the main control module are all connected to the corresponding display system.

[0008] In one embodiment of the present invention, the power supply system includes a power interface and a system power module, and the system power module is connected to the power supply device through the power interface.

[0009] In one embodiment of the present utility model, the main control module includes a main control module, a power sub-module and an interactive network port, and the display system, the interactive network port and the power sub-module are respectively connected to the main control module, wherein the power sub-module is connected to the power supply system, and the interactive network port is connected to the data interaction system.

[0010] In one embodiment of the present invention, the main control module further includes a memory.

[0011] In one embodiment of the present invention, the signal bridging module includes a bridge chip and an FPGA sub-board, the signal input ends of the bridge chip and the FPGA sub-board are respectively connected to the main control module, and the signal output ends of the bridge chip and the FPGA sub-board are respectively connected to the display system.

[0012] In one embodiment of the present invention, the power output module includes a micro-control unit and multiple conversion components. The input end of the micro-control unit is connected to the main control module, and the multiple conversion components are respectively connected to the output ends of the micro-control unit.

[0013] In one embodiment of the present invention, the conversion component includes at least one digital-to-analog converter, at least one analog-to-digital converter, and at least one DC-DC converter that are interconnected.

[0014] In one embodiment of the present invention, the display system includes a dot screen fixture plate and a display screen that are connected to each other, wherein the dot screen fixture plate is connected to the control system.

[0015] The utility model also provides a multi-channel display screen module signal testing device, which includes the multi-channel display screen module signal generator mentioned above.

[0016] The utility model also provides a multi-channel display screen module signal testing system, which includes the multi-channel display screen module signal generator mentioned above.

[0017] The above technical solution of the utility model has the following advantages compared with the prior art:

[0018] The multi-channel display module signal generator, test equipment and system described in the present invention connect multiple control systems through a data interaction system, and independently configure the corresponding display systems through the control systems, so that each control system can independently control the lighting of different display systems and always maintain its stable performance. On this basis, compared with conventional generators at this stage, the present application also has significant advantages such as smaller overall size, lower hardware cost, and more reasonable structural layout. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments of the present invention in conjunction with the accompanying drawings.

[0020] Figure 1 This is a schematic diagram of the connection structure of a multi-channel display screen module signal generator in a preferred embodiment of the present utility model;

[0021] Figure 2 yes Figure 1 The diagram shows the connection structure of the main control module in the multi-channel display module signal generator;

[0022] Figure 3 yes Figure 1 The diagram shows the connection structure of the signal bridge module in the multi-channel display module signal generator;

[0023] Figure 4 yes Figure 1 The figure shows a schematic diagram of the connection structure of the power output module in the multi-channel display module signal generator.

[0024] Description of the accompanying drawings in the specification: 100, display system; 200, control system; 300, power supply system; 400, data interaction system. DETAILED DESCRIPTION

[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it. However, the embodiments are not intended to limit the present invention.

[0026] Example 1

[0027] This embodiment provides a multi-channel display screen module signal generator, which includes: a power supply system 300; a data interaction system 400, wherein the data interaction system 400 is connected to the power supply system 300 and includes a switch module, wherein the switch module is connected to the network port and includes multiple output ports; multiple control systems 200, wherein the multiple control systems 200 are relatively independently arranged, and any of the control systems 200 includes a main control module, a signal bridge module and a power output module, wherein the signal bridge module is connected to the main control module, the input end of the power output module is connected to the power supply system 300, and the multiple main control modules are respectively connected to the multiple output ports; multiple display systems 100, wherein the multiple display systems 100 are arranged in a one-to-one correspondence with the multiple control systems 200, and the output end of the power output module, the output end of the signal bridge module and the output end of the main control module are all connected to the corresponding display system.

[0028] The multi-channel display screen module signal generator described in this embodiment is connected to multiple control systems 200 through a data interaction system 400, and the corresponding display systems 100 are independently configured through the control systems 200, thereby achieving the purpose of each control system 200 being able to independently control the lighting of different display systems 100, and its performance is always kept stable during this process. On this basis, compared with conventional generators at this stage, the present application also has significant advantages such as smaller overall size, lower hardware cost, and more reasonable structural layout.

[0029] See also Figure 1 As shown, in this embodiment, there are four groups of one-to-one corresponding control systems 200 and display systems 100, and any one of the control systems 200 is used to adjust and light up its corresponding display system 100, wherein the power supply system 300 is used to provide a two-stage high-precision adjustable voltage power supply energy supply to the multi-channel display module signal generator, thereby achieving high-precision power supply requirements, and the data interaction system 400 is used to connect multiple control systems 200 by signal, and the multiple control systems 200 are relatively independently arranged, thereby achieving the purpose of independently controlling and lighting up different display systems 100. Specifically, the display system 100 in this embodiment includes a dot screen jig plate and a display screen that are interconnected, wherein the dot screen jig plate is connected to the control system 200, thereby, the control system 200 can light up the display screen and perform related functional tests, etc. through the dot screen jig plate.

[0030] Specifically, the power supply system 300 in this embodiment includes a power interface and a system power module. The system power module is connected to the power supply device via the power interface. Furthermore, the system power module is used to power its adjacent power output modules. The power output modules in multiple control systems 200 are interconnected, thereby achieving the purpose of synchronous power supply.

[0031] See also Figure 1 As shown, in the data exchange system shown in this embodiment, the network port is externally connected to a gigabit network terminal, and in addition to being provided with four output ports on the switch module, it is also connected to a system power module. In other embodiments, the specific number of connections of the control system 200 and the display system 100 can be adjusted according to actual use requirements. It only needs to ensure that the number of settings of the control system 200 is not less than the number of settings of the display system 100. Correspondingly, the number of output ports on the switch module is not less than the number of control systems 200. This new type of use does not impose specific restrictions on this. The switch module described in this embodiment is a chip-level component, which can be directly attached to the circuit main board and connected through PCB wiring, thereby reducing the product volume and the layout of the gigabit network cable.

[0032] See also Figure 1 and Figure 2 As shown, the main control module in this embodiment includes a main control module, a power submodule and an interactive network port. The display system 100, the interactive network port and the power submodule are respectively connected to the main control module, wherein the power submodule is connected to the power supply system 300, and the interactive network port is connected to the data interaction system 400. Furthermore, the main control module in this embodiment is preferably an AMR main control module, which has both high precision and high compatibility through a modular structure. Furthermore, the main control module in this embodiment also includes a memory. Specifically, the memory in this embodiment includes an EMMC (Embedded MultiMediaCard) memory and at least one LPDDR4 memory.

[0033] See also Figure 1 and Figure 3 As shown, the signal bridging module in this embodiment includes a bridge chip and an FPGA daughter board. The signal is converted through the bridge chip or the FPGA daughter board according to actual needs, thereby improving the scope of application and flexibility of the signal bridging module. The signal input ends of the bridge chip and the FPGA daughter board are respectively connected to the main control module, and the signal output ends of the bridge chip and the FPGA daughter board are respectively connected to the display system 100. Among them, the bridge chip can provide conversion and connection functions between different buses or interfaces, and the FPGA daughter board can reconfigure its internal logic through software programming to adapt to different application requirements. Specifically, the FPGA daughter board has high-speed signal conversion-related functions, which can output high-speed signals such as EDP, VBO, LVDS, RGB, etc., and can also output or input low-speed signals such as GPIO.

[0034] See also Figure 1 and Figure 4As shown, the power output module includes a micro-control unit and a plurality of conversion components, the input end of the micro-control unit is connected to the main control module, and the plurality of conversion components are respectively connected to the output end of the micro-control unit. Furthermore, the conversion component includes at least one digital-to-analog converter, at least one analog-to-digital converter and at least one DC-DC converter that are interconnected. Specifically, the digital-to-analog converter in this embodiment is preferably a DAC module, the analog-to-digital converter is preferably an ADC module, and the DC-DC converter is configured as a DCDC power supply. In addition, the power output module in this embodiment is also provided with an LDO voltage regulator, which is connected between the dot screen fixture plate and the DC-DC converter. In actual use, the adjustable voltage DCDC power supply + adjustable voltage LDO power supply can output a large current, high precision, low ripple adjustable voltage power supply through a two-stage adjustable solution, and can also realize fast and accurate OCP, OVP, UCP, UVP and other protection functions.

[0035] Example 2

[0036] This embodiment provides a multi-channel display screen module signal testing device, which includes the multi-channel display screen module signal generator mentioned above.

[0037] Example 3

[0038] This embodiment provides a multi-channel display screen module signal testing system, which includes the multi-channel display screen module signal generator mentioned above.

[0039] In summary, the multi-channel display module signal generator, test equipment and system described in the present invention connect multiple control systems 200 through the data interaction system 400, and independently feedback is performed through the display system 100 corresponding to the control system 200, thereby achieving the purpose of each control system 200 being able to independently control the lighting of different display systems 100 and always maintaining its stable performance. On this basis, compared with conventional generators at this stage, the present application also has significant advantages such as smaller overall size, lower hardware cost, and more reasonable structural layout.

[0040] Obviously, the above embodiments are merely examples for clarity of explanation and are not intended to limit the implementation methods. Those skilled in the art will readily appreciate that other variations or modifications based on the above descriptions are possible. It is not necessary and impossible to enumerate all implementation methods here. Obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. A multi-channel display module signal generator, characterized in that: include: Power supply system; A data interaction system, the data interaction system is connected to the power supply system, and includes a switch module, the switch module is connected to the network port, and includes multiple output ports; Multiple control systems, wherein the multiple control systems are relatively independently arranged, and any of the control systems includes a main control module, a signal bridging module, and a power output module, wherein the signal bridging module is connected to the main control module, the input end of the power output module is connected to the power supply system, and the multiple main control modules are respectively connected to the multiple output ports; Multiple display systems are arranged in a one-to-one correspondence with the multiple control systems, and the output end of the power output module, the output end of the signal bridge module and the output end of the main control module are all connected to the corresponding display system.

2. The multi-channel display screen module signal generator according to claim 1, characterized in that: The power supply system includes a power interface and a system power module, and the system power module is connected to the power supply device through the power interface.

3. The multi-channel display module signal generator according to claim 1, characterized in that: The main control module includes a main control module, a power submodule and an interactive network port. The display system, the interactive network port and the power submodule are respectively connected to the main control module, wherein the power submodule is connected to the power supply system, and the interactive network port is connected to the data interaction system.

4. The multi-channel display screen module signal generator according to claim 1, characterized in that: The main control module also includes a memory.

5. The multi-channel display screen module signal generator according to claim 1, characterized in that: The signal bridging module includes a bridge chip and an FPGA daughter board. The signal input ends of the bridge chip and the FPGA daughter board are respectively connected to the main control module, and the signal output ends of the bridge chip and the FPGA daughter board are respectively connected to the display system.

6. The multi-channel display screen module signal generator according to claim 1, characterized in that: The power output module includes a micro-control unit and a plurality of conversion components. The input end of the micro-control unit is connected to the main control module, and the plurality of conversion components are respectively connected to the output end of the micro-control unit.

7. The multi-channel display screen module signal generator according to claim 6, characterized in that: The conversion component includes at least one digital-to-analog converter, at least one analog-to-digital converter, and at least one DC-to-DC converter connected to each other.

8. The multi-channel display screen module signal generator according to claim 1, characterized in that: The display system includes a dot screen fixture plate and a display screen that are connected to each other, wherein the dot screen fixture plate is connected to the control system.

9. A multi-channel display module signal testing device, characterized by: The multi-channel display screen module signal generator comprises any one of claims 1 to 8.

10. A multi-channel display module signal testing system, characterized by: The multi-channel display screen module signal generator comprises any one of claims 1 to 8.

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