CN108597465B - Display method of liquid crystal display screen and electric energy meter manufactured by same - Google Patents
Display method of liquid crystal display screen and electric energy meter manufactured by same Download PDFInfo
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- CN108597465B CN108597465B CN201810367520.4A CN201810367520A CN108597465B CN 108597465 B CN108597465 B CN 108597465B CN 201810367520 A CN201810367520 A CN 201810367520A CN 108597465 B CN108597465 B CN 108597465B
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- 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
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Abstract
The invention discloses a display method of a liquid crystal display screen, which completes the display of the liquid crystal display screen by establishing a virtual liquid crystal layer between the liquid crystal display screen and display data; the virtual liquid crystal layer provides a data interface for the display data, acquires the data and maps the data to the liquid crystal display screen, thereby completing the display of the liquid crystal display screen. The invention also discloses an electric energy meter comprising the display method of the liquid crystal display screen. According to the invention, the virtual liquid crystal layer is established between the physical liquid crystal display screen and the data to be displayed, so that the effective isolation between the physical liquid crystal and the display data is realized, the great influence on the display application layer caused by the modification and change of the physical liquid crystal is avoided, and the product development efficiency is improved; meanwhile, the virtual liquid crystal layer has good expandability and can be flexibly expanded and modified according to market demands, so that the rapid development of the display function of the application layer is accelerated.
Description
Technical Field
The invention particularly relates to a display method of a liquid crystal display screen and an electric energy meter manufactured by the same.
Background
With the development of economic technology and the improvement of living standard of people, electric energy becomes essential secondary energy in production and life of people, and brings endless convenience to production and life of people. The electric energy meter is used as an important metering component of a circuit system, and the importance of the electric energy meter is self-evident. With the upgrading and reconstruction of the electric energy meter, the liquid crystal display screen has gradually become the basic configuration of the electric energy meter.
At present, in the production and research and development processes of electric energy meters, the display development part of a liquid crystal display screen occupies a part of larger workload. In the display development process of the liquid crystal display screen of the electric energy meter, independent and mutually-different universal display programs are often required to be independently designed and developed aiming at the electric energy meters of various types or models, so that a large amount of working time, manpower and material resources are occupied.
Disclosure of Invention
One of the objectives of the present invention is to provide a display method for a liquid crystal display panel, which is applicable to a rapid development process of the liquid crystal display panel, and has good compatibility and high reliability.
The invention also aims to provide an electric energy meter comprising the display method of the liquid crystal display screen.
The display method of the liquid crystal display screen provided by the invention completes the display of the liquid crystal display screen by establishing the virtual liquid crystal layer between the liquid crystal display screen and the data to be displayed; the virtual liquid crystal layer provides a uniform and standard data interface for the data to be displayed, acquires the data to be displayed, and maps the acquired data to be displayed to the liquid crystal display screen, thereby completing the display of the liquid crystal display screen.
The virtual liquid crystal layer comprises a display area dividing module, a data interface module and a data mapping module; the display area dividing module is used for dividing the display area of the liquid crystal display into a plurality of display areas and determining the display content in each display area; the data interface module is used for providing a uniform data interface for data to be displayed, acquiring corresponding data to be displayed from a data structure and uploading the data to the data mapping module; the data mapping module is used for acquiring data information to be displayed and mapping the data information to the liquid crystal display screen to complete the display of the liquid crystal display screen.
The virtual liquid crystal layer also comprises a priority judging module; the priority judging module is connected between the data interface module and the data mapping module and used for judging the priority information of the data to be displayed and uploading the data to the data mapping module in order according to the priority information.
The data are uploaded to the data mapping module in order according to the priority information, specifically, the data with high priority are uploaded to the data mapping module in a limited mode and displayed, and the data with low priority are displayed after the display of the data with high priority is completed.
The display area dividing module is used for dividing the liquid crystal display into a main data display area, a data identification display area, a data information prompt display area and an ammeter state information prompt display area; the main data display area is used for displaying data content; the data identifier display area is used for displaying data identifiers corresponding to the data; the data information prompt display area is used for displaying a prompt corresponding to the data; and the ammeter state information prompt display area is used for displaying the current operation state of the ammeter.
The data mapping module comprises a field type liquid crystal mapping module and a dot matrix type liquid crystal mapping module; the field type liquid crystal mapping module analyzes the numbers into corresponding 8-word fields for mapping, and maps the Chinese characters and the corresponding fields of the bit of the state symbol, thereby completing the mapping and display of the field type liquid crystal screen; the dot matrix liquid crystal mapping module directly maps the numbers, the Chinese characters and the state symbols into corresponding character libraries and displays the character libraries, thereby completing the mapping and the display of the dot matrix liquid crystal display screen.
The display method of the liquid crystal display screen comprises the following steps:
s1, a display area dividing module divides a display area of the liquid crystal display screen into a plurality of display areas and determines the content displayed in each display area;
s2, according to the display area and the corresponding display content determined in the step S1, the data interface module establishes a corresponding data interface;
s3, each data interface acquires data to be displayed, and corresponding analysis is carried out to obtain analysis data;
s4, uploading the analysis data obtained in the step S3 to a priority judgment module by each display interface;
s5, the priority judging module judges the priority of the uploaded analysis data and sends the analysis data to the data mapping module according to the priority sequence;
and S6, the data mapping module acquires data to be displayed and maps the data to the liquid crystal display screen, so that the data information to be displayed is transmitted to the liquid crystal display screen for displaying.
The invention also provides an electric energy meter, which comprises the display method of the liquid crystal display screen.
According to the display method of the liquid crystal display and the electric energy meter thereof, the virtual liquid crystal layer is established between the physical liquid crystal display and the data to be displayed, so that the effective isolation between the physical liquid crystal and the display data is realized, the larger influence of the modification change of the physical liquid crystal on the display application layer is avoided, and the product development efficiency is improved; meanwhile, the virtual liquid crystal layer has good expandability and can be flexibly expanded and modified according to market demands, so that the rapid development of the display function of the application layer is accelerated.
Drawings
FIG. 1 is a schematic diagram of a process module of the process of the present invention.
FIG. 2 is a schematic flow chart of the method of the present invention.
Detailed Description
FIG. 1 is a schematic diagram of a method module of the method of the present invention: the display method of the liquid crystal display screen provided by the invention completes the display of the liquid crystal display screen by establishing the virtual liquid crystal layer between the liquid crystal display screen and the data to be displayed; the virtual liquid crystal layer provides a uniform and standard data interface for the data to be displayed, acquires the data to be displayed, and maps the acquired data to be displayed to the liquid crystal display screen, thereby completing the display of the liquid crystal display screen.
The virtual liquid crystal layer comprises a display area dividing module, a data interface module, a data mapping module and a priority judging module; the display area dividing module is used for dividing the display area of the liquid crystal display into a plurality of display areas and determining the display content in each display area; the data interface module is used for providing a uniform data interface for the data to be displayed, acquiring the corresponding data to be displayed from the data structure and uploading the data to the priority judging module; the priority judging module is used for judging the priority information of the data to be displayed and uploading the data to the data mapping module in order according to the priority information; the data mapping module is used for acquiring data information to be displayed and mapping the data information to the liquid crystal display screen to complete the display of the liquid crystal display screen.
And uploading the data to a data mapping module in order according to the priority information, specifically uploading the data with high priority to the data mapping module in a limited way and displaying, and displaying the data with low priority after the display of the data with high priority is finished. The data mapping module comprises a field type liquid crystal mapping module and an array type liquid crystal mapping module; the field type liquid crystal mapping module analyzes the numbers into corresponding 8-word fields for mapping, and maps the Chinese characters and the corresponding fields of the bit of the state symbol, thereby completing the mapping and display of the field type liquid crystal screen; the dot matrix liquid crystal mapping module directly maps the numbers, the Chinese characters and the state symbols into corresponding character libraries and displays the character libraries, thereby completing the mapping and the display of the dot matrix liquid crystal display screen.
For a liquid crystal display screen on the electric energy meter, a display area dividing module specifically divides the liquid crystal display screen into a main data display area, a data identification display area, a data information prompt display area and an electric meter state information prompt display area; the main data display area is used for displaying data content; the data identifier display area is used for displaying data identifiers corresponding to the data; the data information prompt display area is used for displaying a prompt corresponding to the data; and the ammeter state information prompt display area is used for displaying the current operation state of the ammeter.
FIG. 2 is a schematic flow chart of the method of the present invention: the display method of the liquid crystal display screen comprises the following steps:
s1, a display area dividing module divides a display area of the liquid crystal display screen into a plurality of display areas and determines the content displayed in each display area;
s2, according to the display area and the corresponding display content determined in the step S1, the data interface module establishes a corresponding data interface;
s3, each data interface acquires data to be displayed, and corresponding analysis is carried out to obtain analysis data;
s4, uploading the analysis data obtained in the step S3 to a priority judgment module by each display interface;
s5, the priority judging module judges the priority of the uploaded analysis data and sends the analysis data to the data mapping module according to the priority sequence;
and S6, the data mapping module acquires data to be displayed and maps the data to the liquid crystal display screen, so that the data information to be displayed is transmitted to the liquid crystal display screen for displaying.
The display method of the liquid crystal display screen provided by the invention can be used for any other electronic equipment which needs to be displayed by the liquid crystal display screen, including various types of metering instruments (such as electric energy meters, water meters, gas meters, heat meters and the like), electric energy management terminals, power distribution terminals, electric energy quality monitoring equipment, electric network automation terminals, acquisition terminals, concentrators, data collectors, metering instruments, hand readers, fault indicators and the like.
Claims (7)
1. A display method of a liquid crystal display screen is characterized in that the display of the liquid crystal display screen is completed by establishing a virtual liquid crystal layer between the liquid crystal display screen and data to be displayed; the virtual liquid crystal layer provides a uniform and standard data interface for the data to be displayed, acquires the data to be displayed, and maps the acquired data to be displayed to the liquid crystal display screen, so that the display of the liquid crystal display screen is completed; the virtual liquid crystal layer comprises a display area dividing module, a data interface module and a data mapping module; the display area dividing module is used for dividing the display area of the liquid crystal display into a plurality of display areas and determining the display content in each display area; the data interface module is used for providing a uniform data interface for data to be displayed, acquiring corresponding data to be displayed from a data structure and uploading the data to the data mapping module; the data mapping module is used for acquiring data information to be displayed and mapping the data information to the liquid crystal display screen to complete the display of the liquid crystal display screen.
2. The method of claim 1, wherein the virtual LC layer further comprises a priority determination module; the priority judging module is connected between the data interface module and the data mapping module and used for judging the priority information of the data to be displayed and uploading the data to the data mapping module in order according to the priority information.
3. The method as claimed in claim 2, wherein the data is uploaded to the data mapping module in order according to the priority information, specifically, the data with high priority is uploaded to the data mapping module in a limited manner and displayed, and the data with low priority is displayed after the display of the data with high priority is completed.
4. The display method of the liquid crystal display screen according to claim 3, wherein the display area dividing module is specifically configured to divide the liquid crystal display screen into a main data display area, a data identifier display area, a data information prompt display area and an electric meter status information prompt display area; the main data display area is used for displaying data content; the data identifier display area is used for displaying data identifiers corresponding to the data; the data information prompt display area is used for displaying a prompt corresponding to the data; and the ammeter state information prompt display area is used for displaying the current operation state of the ammeter.
5. The display method of the liquid crystal display panel according to claim 4, wherein the data mapping module comprises a field type liquid crystal mapping module and a dot matrix type liquid crystal mapping module; the field type liquid crystal mapping module analyzes the numbers into corresponding 8-word fields for mapping, and maps the Chinese characters and the corresponding fields of the bit of the state symbol, thereby completing the mapping and display of the field type liquid crystal screen; the dot matrix liquid crystal mapping module directly maps the numbers, the Chinese characters and the state symbols into corresponding character libraries and displays the character libraries, thereby completing the mapping and the display of the dot matrix liquid crystal display screen.
6. The display method of the liquid crystal display panel according to any one of claims 1 to 5, wherein the display method of the liquid crystal display panel comprises the steps of:
s1, the display area dividing module divides the display area of the liquid crystal display screen into a plurality of display areas and determines the content displayed in each display area;
s2, according to the display area and the corresponding display content determined in the step S1, the data interface module establishes a corresponding data interface;
s3, each data interface acquires data to be displayed, and corresponding analysis is carried out to obtain analysis data;
s4, each display interface uploads the analytic data obtained in the step S3 to a priority judging module;
s5, the priority judging module judges the priority of the uploaded analysis data and sends the analysis data to the data mapping module according to the priority sequence;
and S6, the data mapping module acquires the data to be displayed and maps the data to the liquid crystal display screen, so that the data information to be displayed is transmitted to the liquid crystal display screen for display.
7. An electric energy meter, characterized by comprising the display method of the liquid crystal display according to any one of claims 1 to 6.
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| CN201810367520.4A CN108597465B (en) | 2018-04-23 | 2018-04-23 | Display method of liquid crystal display screen and electric energy meter manufactured by same |
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| CN201810367520.4A CN108597465B (en) | 2018-04-23 | 2018-04-23 | Display method of liquid crystal display screen and electric energy meter manufactured by same |
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| CN108597465A CN108597465A (en) | 2018-09-28 |
| CN108597465B true CN108597465B (en) | 2020-10-09 |
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