Micro-metering reading system for digital display flat plate

A reading system and digital display technology, applied in altitude/level measurement, measuring device, mapping and navigation, etc., can solve problems such as aiming error and aberration, and achieve the effect of easy operation, high precision, and elimination of aberration

Active Publication Date: 2012-10-03
苏州市太平洋光学仪器厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are two errors in such a system: one is that the translation of the rotation angle of the plate into a straight line movement on the micrometer will cause aberration; the other is that the human eye will produce an aiming error when reading the reading on the micrometer

Method used

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  • Micro-metering reading system for digital display flat plate
  • Micro-metering reading system for digital display flat plate
  • Micro-metering reading system for digital display flat plate

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Embodiment Construction

[0019] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and a preferred embodiment.

[0020] refer to Figure 1-3 , the digital display plate micrometer reading system includes a nut 1, a gear plate shaft 2, a micrometer hand wheel 3, an elastic reed 4, a tooth plate 5, a micrometer plate glass 6, an encoder sleeve 7, an instrument body 8, and a connection board 9 , encoder 10 , battery box 11 , digital circuit 12 and display screen 13 . Among them, at the front end of the instrument (in the direction of the objective lens), the micrometer hand wheel 3 is installed on the instrument main body 8, and the elastic reed 4 that plays the role of adjusting the axial gap is set on the toothed disc rotating shaft 2, and the toothed disc rotating shaft 2 passes through the screw thread and the main body. 8 connection, and fixed with nut 1, the toothed disc 5 and the encoder shaft sleeve are fixed on the mic...

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Abstract

The invention relates to a micro-metering reading system for a digital display flat plate. The system comprises a micro-metering flat plate and a driving device thereof, an encoder, a digital processing unit and a display unit, wherein the micro-metering flat plate is connected with an instrument main body; the encoder is used for monitoring the angle change of the micro-metering flat plate; and the encoder and the display unit are connected with the digital processing unit respectively. The system is convenient to operate, is intuitional, easy and convenient, has high accuracy and capabilityof effectively eliminating a run error existing in the conventional compensated level micro-metering reading system and an aiming error caused by observation of a micrometer by using an ocular lens, and is suitable to be widely applied to the fields of leveling surveying, building works surveying, settlement measurement and the like.

Description

technical field [0001] The invention particularly relates to a digital display panel micrometer reading system capable of performing high-precision micrometer readings, which is applied to the measurement fields of national first-class level survey, construction engineering survey and settlement survey. Background technique [0002] At present, the micrometric reading system of the high-precision automatic leveling instrument generally uses the micrometric hand wheel to drive the guide rod to move, and then the driving head mounted on the guide rod drives the micrometric plate to rotate, and reads the micrometer plate mounted on the eyepiece from the eyepiece. The reading of the micrometer on the guide rod is used to obtain the change of the measured micrometer. There are two errors in such a system: one is that the translation of the plate rotation angle into a straight line movement on the micrometer will cause aberration; the other is that the human eye will produce an ai...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C5/00
Inventor 盛利陈志坚
Owner 苏州市太平洋光学仪器厂
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