CN218004378U

CN218004378U - Signal conversion device

Info

Publication number: CN218004378U
Application number: CN202221643149.8U
Authority: CN
Inventors: 高中川; 夏维; 彭文聪
Original assignee: Xiamen Zettler Electronics Co ltd
Current assignee: Xiamen Zettler Electronics Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-12-09
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a signal conversion device uses on the display screen, include the initialization encapsulation module that links to each other with the display screen, with the signal level conversion module that initialization encapsulation module links to each other, with the signal conversion module that signal level conversion module links to each other, signal conversion module respectively with the mainboard with the display screen links to each other, the display screen links to each other with power module. Through the signal conversion device, the initialization packaging module and the signal level conversion module, the problem of software and hardware compatibility in the matching of the industrial control mainboard and the display screen is solved under the condition that the requirement on the display screen is met, the design cost of the mainboard end is reduced, and the product competitiveness is improved.

Description

Signal conversion device

Technical Field

The utility model aims to solve the technical problem that a signal conversion equipment is provided, especially relate to a signal conversion equipment that compatibility is good.

Background

With the improvement of the level of industrialization and the improvement of liquid crystal display technology, liquid crystal displays have been widely used in various industries. The demands on displays in the industrial field are also increasing with the development of technology. The industrial control main board has long updating period, and the updating period of the display screen is shorter. There are two problems: 1. the problem that the existing mainboard design is incompatible with a display screen interface exists; 2. there are client software compatibility issues due to glass IC changes. Therefore, it is necessary to invent a conversion device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a signal conversion device is provided, have compatible good characteristics.

In order to solve the technical problem, the utility model adopts the technical scheme that: the innovation point of the signal conversion device is that: the signal conversion device is applied to a display screen and comprises an initialization packaging module connected with the display screen, a signal level conversion module connected with the initialization packaging module and a signal conversion module connected with the signal level conversion module, wherein the signal conversion module is respectively connected with a mainboard and the display screen, and the display screen is connected with a power supply module.

Preferably, the signal conversion module comprises a signal processing module, a signal input interface arranged on the signal processing module and connected with the mainboard, and a signal output interface arranged on the signal processing module and connected with the display screen.

Preferably, the signal processing module is one of an ICN6202 chip, an LT9211 chip/LT 8918L integrated circuit for converting MIPI signals into LVDS signals.

Preferably, the signal processing module is an SSD2828 chip converting RGB signals into MIPI signals.

Preferably, the signal level conversion module includes a signal level conversion chip, a signal input interface for conversion connected to the initialization package module, and a signal output interface for conversion connected to the signal conversion module.

Preferably, the signal level conversion chip is one of a MOS transistor or an isolation chip.

Preferably, the initialization encapsulation module is an STC single chip microcomputer.

Preferably, the power supply module is an LCD-power circuit or a backlight power supply circuit.

The utility model has the advantages of: through the signal conversion device, the initialization packaging module and the signal level conversion module, the problem of software and hardware compatibility in matching of the industrial control mainboard and the display screen is solved under the condition that the requirements on the display screen are met, the design cost of the mainboard end is reduced, and the product competitiveness is improved.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of a signal conversion device according to the present invention.

Fig. 2 is a schematic structural diagram of a first form of signal conversion module in the signal conversion apparatus of the present invention.

Fig. 3 is a schematic structural diagram of a signal conversion module according to a second form in the signal conversion apparatus of the present invention.

Fig. 4 is a schematic structural diagram of a signal conversion module according to a third form in the signal conversion apparatus of the present invention.

Fig. 5 is a schematic structural diagram of an initialization package module in the signal conversion apparatus according to the present invention.

Fig. 6 is a schematic structural diagram of a first form of signal level conversion module in the signal conversion apparatus of the present invention.

Fig. 7 is a schematic structural diagram of a signal level conversion module according to a second form in the signal conversion apparatus of the present invention.

Fig. 8 is a schematic structural diagram of a first form of power supply module in a signal conversion apparatus according to the present invention.

Fig. 9 is a schematic structural diagram of a power supply module according to a second form in the signal conversion apparatus of the present invention.

In the figure: the device comprises a display screen 1, an initialization packaging module 2, a signal level conversion module 3, a signal conversion module 4, a power supply module 5, a mainboard 6 and a burning port 7.

Detailed Description

The utility model discloses a signal conversion device uses on display screen 1, include the signal level conversion module 3 that the initialization encapsulation module 2 that links to each other with the display screen, link to each other with initialization encapsulation module 2, the signal conversion module 4 that links to each other with signal level conversion module 3, signal conversion module 4 links to each other with mainboard 6 and display screen 1 respectively, and display screen 1 links to each other with power module 5. The main board provides necessary data signals to the signal conversion module through the interface, basic power is provided for the whole device, and each module directly uses the power or uses the power after being properly converted through the DC-DC circuit. Through the signal conversion device, the initialization packaging module and the signal level conversion module, the problem of software and hardware compatibility in the matching of the industrial control mainboard and the display screen is solved under the condition that the requirement on the display screen is met, the design cost of the mainboard end is reduced, and the product competitiveness is improved.

The signal conversion module 4 comprises a signal processing module, a signal input interface which is arranged on the signal processing module and connected with the mainboard 6, and a signal output interface which is arranged on the signal processing module and connected with the display screen. The signal processing module is one of an ICN6202 chip (as shown in fig. 2) for converting the MIPI signal into the LVDS signal, and an LT9211 chip/LT 8918L integrated circuit (as shown in fig. 3). The signal input interface is consistent with the output signal interface of the main board, and the signal output interface is consistent with the interface of the liquid crystal display module. The design of the signal processing module depends on the input signal and the type of signal output. For example, the function of converting the MIPI signal into the LVDS signal can be realized by adopting an ICN6202 chip design, or the function of converting the RGB signal into the MIPI signal can be realized by adopting an SSD2828 chip design. After receiving the power supply, the initialization packaging module transmits the display screen initialization configuration file to the signal conversion module for processing, the signal conversion module 4 processes and converts signal data from the signal level conversion module 3 and the mainboard 6 and outputs the signal data to the display screen 1, and the display screen receives the matched signal data and the matched voltage for displaying.

The signal level conversion module 3 comprises a signal level conversion chip, a signal input interface for conversion connected with the initialization packaging module, and a signal output interface for conversion connected with the signal conversion module. Because different chips have different requirements on the size of the signal level, in practical use, different chip elements are adopted to perform signal level conversion according to specific situations, and the signal level conversion chip is one of a MOS transistor (as shown in fig. 6) or an isolation chip (as shown in fig. 7).

The initialization packaging module is an STC single chip microcomputer, and due to the matching scheme of the IC and the LCD in the display module, different initialization configurations need to be carried out on the IC to achieve normal display. The utility model discloses a singlechip presets the initial configuration, just carries out the initial configuration to IC at the beginning at last power on. The software configuration of the mainboard end is compatible, and the software compatibility of the mainboard is improved. The initialization encapsulation module is provided with a burning port 7 for obtaining the specific initialization configuration of the display screen, and the initialization encapsulation module mainly burns the configuration parameters of the initialization configuration file of the display screen into the module through the burning port to complete the encapsulation of the initialization file.

The power supply module is an LCD-power circuit (as shown in fig. 8) or a backlight power supply circuit (as shown in fig. 9), and the power supply module mainly solves the problem of interface voltage mismatch caused by different industrial control motherboard configurations and free configuration between different display modules. Different power supply designs are provided for different collocation schemes, so that compatibility with a mainboard hardware interface is ensured, and the hardware compatibility of the mainboard is improved.

The above, only be the concrete implementation of the utility model, but the protection scope of the utility model is not limited to the listed embodiments, and any technical personnel familiar with this technical field are in the utility model discloses a within the scope, according to the technical scheme of the utility model patent and the design equivalence substitution or change, all belong to the protection scope of the utility model patent.

Claims

1. A signal conversion apparatus, characterized by: the signal conversion device is applied to a display screen and comprises an initialization packaging module connected with the display screen, a signal level conversion module connected with the initialization packaging module and a signal conversion module connected with the signal level conversion module, wherein the signal conversion module is respectively connected with a mainboard and the display screen, and the display screen is connected with a power supply module.

2. A signal conversion apparatus as claimed in claim 1, wherein: the signal conversion module comprises a signal processing module, a signal input interface which is arranged on the signal processing module and connected with the mainboard, and a signal output interface which is arranged on the signal processing module and connected with the display screen.

3. A signal conversion apparatus as claimed in claim 2, wherein: the signal processing module is one of an ICN6202 chip and an LT9211 chip/LT 8918L integrated circuit for converting MIPI signals into LVDS signals.

4. A signal conversion apparatus as claimed in claim 2, wherein: the signal processing module is an SSD2828 chip for converting RGB signals into MIPI signals.

5. A signal conversion apparatus as claimed in claim 1, wherein: the signal level conversion module comprises a signal level conversion chip, a signal input interface for conversion connected with the initialization packaging module and a signal output interface for conversion connected with the signal conversion module.

6. A signal conversion apparatus as claimed in claim 5, wherein: the signal level conversion chip is one of an MOS tube or an isolation chip.

7. A signal conversion apparatus as claimed in claim 1, wherein: the initialization packaging module is an STC single chip microcomputer.

8. A signal conversion apparatus as claimed in claim 1, wherein: the power supply module is an LCD-power circuit or a backlight power supply circuit.