CN210925440U - Virtual machine box capable of adaptively adjusting flicker degree of liquid crystal panel - Google Patents

Abstract

The utility model discloses a virtual machine box of self-adaptation regulation liquid crystal display panel scintillation degree, be provided with the state indicator screen and the operation button that are used for showing the virtual machine rank on the top surface of virtual machine box body, the operation button is including the initialization button that is used for initializing the tester box, be used for solidifying the write-in button in the register of liquid crystal display with data, be used for adjusting the reduction button of the output voltage of virtual machine box downwards and be used for adjusting the increase button of the output voltage of virtual machine box upwards, be provided with input interface and output interface on the side of virtual machine box body; the debugging unit comprises an MCU control module, a voltage conversion module, a FLASH module and an encryption module, wherein the MCU control module, the voltage conversion module, the FLASH module and the encryption module are all arranged in the virtual machine box body, the FLASH module is used for converting an input voltage value, the FLASH module is used for storing parameters related to a program, and the encryption module is used for storing a key program. The test device can be used for rapidly testing the liquid crystal display screens in batches, and is simple in structure, convenient to operate and high in universality.

Description

Virtual machine box capable of adaptively adjusting flicker degree of liquid crystal panel

Technical Field

The utility model relates to a virtual machine box, concretely relates to self-adaptation regulation liquid crystal panel scintillation degree's virtual machine box.

Background

After the liquid crystal display screen is produced, the flicker degree of the display screen needs to be measured. During measurement, the output voltage value needs to be continuously adjusted to change the flicker degree, so as to obtain data of the flicker degree. When the test equipment is adjusted, it is usually necessary to read a peripheral EEPROM (Electrically Erasable Programmable read only memory), which is a set parameter of a virtual machine stored in a charged Erasable Programmable read only memory)/EPROM chip; or a register of a chip generating the virtual machine is controlled to change an output voltage value of the virtual machine for output, and registers of a gamma IC (referring to a common voltage control chip) and a VCOM IC (referring to a common voltage chip of a display panel) are simultaneously configured. Therefore, a scheme which is convenient for a production line to carry out real-time online operation and debugging on the output voltage value is required.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a virtual machine box of self-adaptation adjustment liquid crystal display panel scintillation degree, its test that carries out liquid crystal display in batches that can be quick, simple structure, convenient operation, the commonality is strong.

In order to solve the technical problem, the utility model provides a virtual machine box for self-adaptively adjusting the flicker degree of a liquid crystal panel, which comprises a virtual machine box body and a debugging unit; the top surface of the virtual machine box body is provided with a state indication screen and operation keys, the state indication screen and the operation keys are used for displaying the order number of the virtual machine, the operation keys comprise an initialization key used for initializing the tester box, a write-in key used for solidifying data into a register of a liquid crystal display screen, a reduction key used for adjusting the output voltage of the virtual machine box downwards and an increase key used for adjusting the output voltage of the virtual machine box upwards, and the side surface of the virtual machine box body is provided with an input interface and an output interface; the debugging unit comprises an MCU control module, a voltage conversion module, a FLASH module and an encryption module, wherein the MCU control module, the voltage conversion module, the FLASH module and the encryption module are all arranged in the virtual machine box body, the FLASH module is used for converting an input voltage value, the FLASH module is used for storing parameters related to a program, the encryption module is used for storing a key program, the voltage conversion module is electrically connected between an input interface and the MCU control module, and the FLASH module, the encryption module, an operation key and an output interface are all electrically connected to the MCU control module.

Preferably, a USB interface for connecting with an upper computer is disposed on a side surface of the virtual machine box.

Preferably, a data conversion module for converting the TTL signal into a serial signal and downloading the ISP is electrically connected between the USB interface and the MCU control module.

Preferably, the virtual machine box body is rectangular.

Preferably, the MCU control module includes an MCU for communication and operation of each module and a reset circuit for resetting the virtual machine box.

Preferably, the MCU control module includes a filter circuit for filtering the power supply voltage of the MCU, and the filter circuit is electrically connected to the MCU.

Preferably, the MCU control module comprises an MCU indicator light for indicating the working state of the MCU, and the MCU indicator light is electrically connected to the MCU.

Preferably, the MCU is of a model STM32F103C8T 6.

Preferably, the voltage converted by the voltage conversion module is 3.3V and/or 5V.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses adjustment output voltage that can the self-adaptation to adjust liquid crystal display's scintillation degree, can be quick carry out the virtual machine to large batch liquid crystal display and adjust, the commonality is strong.

2. The utility model discloses an outward appearance is brief, small and exquisite, simple structure, carries and convenient operation.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and 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.

Fig. 1 is a schematic top and side view of the present invention;

FIG. 2 is a schematic diagram of the connection of the test unit.

The system comprises a virtualmachine box body 10, a state indication screen 11, aninitial key 12, awriting key 13, a decreasingkey 14, an increasingkey 15, aninput interface 16, anoutput interface 17 and aUSB interface 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.

Examples

Referring to fig. 1-2, the utility model discloses a virtual machine box of self-adaptation regulation liquid crystal panel scintillation degree, including virtualmachine box body 10 and debugging unit.

The virtualmachine box body 10 is rectangular. A state indication screen 11 and operation keys are arranged on the top surface of the virtualmachine box body 10. And the state indication screen 11 is electrically connected with the MCU control module. The operation keys include at least aninitial key 12, awrite key 13, adecrease key 14, and anincrease key 15. Theinitial key 12, thewrite key 13, thedecrease key 14 and theincrease key 15 are all electrically connected with the MCU control module. The side of the virtualmachine box body 10 is provided with aninput interface 16 and anoutput interface 17. The input interface may be a DC005-2.0 interface. The input voltage of the input interface is 9-12V, and the maximum withstand voltage is 15V. The input voltage of the input interface can be specifically customized according to the requirements of customers. The output interface may be a PH2.0-6P interface. The status indication screen 11 may be a nixie tube display screen. The status indicator screen 11 is used to display the number of false machine steps in the debugging process. Theinitial key 12 is used for restoring the virtual machine box to an initialized state after debugging one liquid crystal display screen so as to quickly debug the next liquid crystal display screen. The write-inkey 13 is used for solidifying data into a register of the liquid crystal display screen, and is used for storing the data, so that the condition that the online debugging is finished and the data is restored to a state before the adjustment after the power failure is avoided. Thedown key 14 is used to adjust the output voltage of the virtual machine down. Theadd button 15 is used to adjust the output voltage of the virtual machine up.

As a further improvement of the present invention, aUSB interface 18 is provided on a side surface of the virtualmachine box body 10. TheUSB interface 18 can be used in conjunction with an upper computer, which can output specific data of the debugging process to the computer to save the data for analysis after production, as well as to download programs and update model information.

The debugging unit comprises an MCU control module, a voltage conversion module, a data conversion module, a FLASH module and an encryption module which are all arranged in the virtualmachine box body 10.

The voltage conversion module is electrically connected between theinput interface 16 and the MCU control module. The voltage conversion module is capable of converting the voltage input by theinput interface 16 into a supply voltage for each module. The supply voltage may be 3.3V and/or 5V.

The data conversion module is electrically connected between theUSB interface 18 and the MCU control module. The data conversion module is used for converting externally input TTL signals into serial port signals and is used for ISP downloading.

The FLASH module is electrically connected to the MCU control module. The FLASH module is used for storing parameters involved in the program.

The encryption module is electrically connected to the MCU control module. The encryption module is used for storing key programs and avoiding being plagiarized.

The MCU control module comprises an MCU, a reset circuit, a filter circuit and an MCU indicator light. The reset circuit, the filter circuit and the MCU indicating lamp are all electrically connected to the MCU. And the MCU is used for communication and operation of each module. The reset circuit is used for resetting the virtual machine box. The filter circuit is used for filtering the power supply voltage of the MCU. The MCU pilot lamp is used for indicating the operating condition of MCU.

As a further improvement of the utility model, the model of the MCU is STM32F103C8T 6.

The embodiment needs to be supplemented with that: the utility model discloses constitute by concrete hardware structures such as MCU, FLASH module, encryption module, some hardware have the participation of software program in the operation process, and the software program of supplementary local operation is current software program that can duplicate, does not constitute the innovation point of this application.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A virtual machine box for self-adaptively adjusting the flicker degree of a liquid crystal panel is characterized by comprising a virtual machine box body and a debugging unit;

the top surface of the virtual machine box body is provided with a state indication screen and operation keys, the state indication screen and the operation keys are used for displaying the order number of the virtual machine, the operation keys comprise an initialization key used for initializing the tester box, a write-in key used for solidifying data into a register of a liquid crystal display screen, a reduction key used for adjusting the output voltage of the virtual machine box downwards and an increase key used for adjusting the output voltage of the virtual machine box upwards, and the side surface of the virtual machine box body is provided with an input interface and an output interface;

the debugging unit comprises an MCU control module, a voltage conversion module, a FLASH module and an encryption module, wherein the MCU control module, the voltage conversion module, the FLASH module and the encryption module are all arranged in the virtual machine box body, the FLASH module is used for converting an input voltage value, the FLASH module is used for storing parameters related to a program, the encryption module is used for storing a key program, the voltage conversion module is electrically connected between an input interface and the MCU control module, and the FLASH module, the encryption module, an operation key and an output interface are all electrically connected to the MCU control module.

2. The virtual machine box for adaptively adjusting the flicker degree of a liquid crystal panel according to claim 1, wherein a USB interface for connecting with an upper computer is arranged on a side surface of the virtual machine box.

3. The virtual machine box for adaptively adjusting the flicker degree of a liquid crystal panel according to claim 2, wherein a data conversion module for converting a TTL signal into a serial signal and downloading an ISP is electrically connected between the USB interface and the MCU control module.

4. The virtual machine box for adaptively adjusting the flicker degree of a liquid crystal panel according to claim 1, wherein the virtual machine box body is rectangular.

5. The virtual machine box for adaptively adjusting the flicker degree of a liquid crystal panel according to claim 1, wherein the MCU control module comprises an MCU for communication and operation of each module and a reset circuit for resetting the virtual machine box.

6. The virtual machine box for adaptively adjusting the flicker degree of a liquid crystal panel according to claim 5, wherein the MCU control module comprises a filter circuit for filtering a supply voltage of the MCU, and the filter circuit is electrically connected to the MCU.

7. The virtual machine box for adaptively adjusting the flicker degree of a liquid crystal panel according to claim 6, wherein the MCU control module comprises an MCU indicator light for indicating the working state of the MCU, and the MCU indicator light is electrically connected to the MCU.

8. The virtual machine box for adaptively adjusting the flicker degree of a liquid crystal panel according to any one of claims 5 to 7, wherein the model of the MCU is STM32F103C8T 6.

9. The virtual machine box for adaptively adjusting the flicker degree of a liquid crystal panel according to claim 1, wherein the voltage converted by the voltage conversion module is 3.3V and/or 5V.

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