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Digital instrument

A digital instrument and instrument technology, applied in the field of digital instruments, can solve the problems of no integration, inability to support video, integrated display of the dial, high price, etc., achieve smooth and smooth display, solve the effect of displaying multiple superimposed modes, and improve efficiency

Inactive Publication Date: 2015-10-14
河南友利华系统工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After an in-depth investigation of the display functions of existing digital meters on the market, it is found that: some digital meters are just pure text display, which cannot satisfy people's accurate grasp of real-time dynamic information; some digital meters are only video display, which cannot be more intuitive and Accurately meet people's requirements for accurate numbers; and although some digital instruments can display both text and video, in practical applications, either there are glitches in the details of the displayed image, or the high price makes People are deterred
Faced with the new era of electronic display technology being increasingly developed and mature, this type of product has the following disadvantages: a. It cannot support comprehensive display of video, dial and text; The same display effect as the mechanical dial; c, without the advantages of the CAN bus interface

Method used

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Embodiment Construction

[0027]Embodiment 1 of the present invention includes: a display, the display is connected to a display module, the display module is connected to a CPU, the CPU is connected to a program memory and a data memory, and the CPU is connected to a data communication interface. CPU adopts Hitachi SH7708 series 32-bit RISC processor for signal processing. The display module includes: a display controller and a video memory, the display controller is an Epson S1D13506 display chip, the Epson S1D13506 display chip is connected to a video memory, and the video memory is a 512KB high-speed dynamic RAM. The data communication interface includes: CAN bus module and RS232 isolated communication module. The CPU is connected to SDRAM-type data memory and Flash-type program memory. The CPU is also connected to a CPLD auxiliary controller. The CPLD auxiliary controller adopts a piece of LC4128V-144 with 128 macro cells from Lattice in the United States to manage The logical relationship betwee...

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Abstract

The invention discloses a digital instrument. Besides a basic function of a digital instrument, the digital instrument has a smooth displaying dial, displays a text of digital information, achieves continuous smooth displaying of any combination of received real-time videos and the digital dial, has a semitransparent and layered mode, and achieves digital, video, and dial integrated monitoring displaying of an environment field. In view of increasingly-digitalized and intellectualized environment, an operator hole to check data changes of a field environment in real time and know the real visual state of the field environment so as to more comprehensively, really, and specifically monitor the field environment.

Description

technical field [0001] The invention relates to a digital meter, in particular to a digital meter with smooth and smooth display, which is convenient for reading data accurately. Background technique [0002] With the continuous advancement of digital electronic display technology, it is rapidly developing from the application of high-end equipment to factory video text control, mechatronics safety monitoring, and the life of cars, elevators, and smart homes that people come into contact with in their daily lives. all aspects. Due to the development of information technology and the widespread application of the electronic consumer goods market in recent years, the importance of HMI (Human Machine Interface) to customers has been proved, so as to gradually form the field bus CAN, which effectively supports distributed control or real-time control. serial communication network. At the same time, based on the high reliability, low power consumption, long life, small size, hi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D7/00
Inventor 贾西贝刘洋
Owner 河南友利华系统工程有限公司