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Code disc component automatic test platform and its operation method

An automatic test and test platform technology, applied in the direction of measuring devices, instruments, etc., can solve the problems of poor checking effect, unable to detect whether there are dirty spots or scratches, and difficult to find tiny dirty spots and scratches on the code disc, and achieve The effect of accurate positioning

Active Publication Date: 2017-06-30
SUZHOU XUNWEI PHOTOELECTRIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of disk checking method is highly subjective, and it is difficult to find tiny dirty spots and scratches on the code disc. The disk checking effect is poor, and it cannot detect whether there are dirty spots, scratches, etc. on the CCD.

Method used

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  • Code disc component automatic test platform and its operation method
  • Code disc component automatic test platform and its operation method
  • Code disc component automatic test platform and its operation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] This embodiment is an automatic test platform for code disc components, which includes: a base (1), a stepping motor (2), a transmission belt (3), a detection device (4), a communication interface (6), a power switch (7 ), DC power socket (8).

[0020] Such as figure 1 , figure 2 As shown, the left side of the base (1) is provided with a stepping motor (2), and the right side is provided with a detection device (4) for detecting dirty spots on the code disc. The detection device (4) includes: a fixed shaft (41), transmission shaft (42), code disc assembly positioning hole (44), CCD board assembly (45), code disc assembly positioning buckle (5), the fixed shaft (41) and transmission shaft (42) A shaft system is formed, the transmission shaft (42) is sleeved on the fixed shaft (41), the code disc to be tested (43) is fixed on the transmission shaft (42), and the CCD board group (45) is fixed on the fixed shaft (41) Above, the bottom of the fixed shaft (41) is provided...

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Abstract

The invention discloses an automatic coded disk component testing platform and an operation method thereof. The left side of a base of the platform is provided with a stepper motor, the right side of the base of the platform is provided with a detection device for detecting a coded disc dirty spot, and the detection device consists of a fixed shaft, a transmission shaft, a coded disc component positioning hole, a CCD (Charge Coupled Device) plate group and a coded disc component positioning pressing buckle, wherein the stepper motor is provided with a belt pulley connected with the transmission shaft of the detection device by virtue of a drive belt. The coded disc is uniformly driven to rotate by virtue of the motor, a waveform and an angle value are displayed by virtue of bundled software, the accuracy rate of checking disc is high, the location of the dirty spot is rapidly positioned, an operation of synchronously detecting whether undesirable phenomena such as dirty spots and scratch exist on a CCD is realized, so that the detection efficiency and the detection accuracy are improved.

Description

technical field [0001] The invention relates to a detection platform for a total station and an electronic theodolite angle-measuring code disc assembly, in particular to a test platform capable of automatic detection of the code disc assembly. Background technique [0002] The electronic theodolite or total station has an angle measurement module to realize its basic angle measurement function. The angle measurement module is composed of code disc, CCD (CCD is the English word for Charge Coupled Device: Charge Coupled Device abbreviation), and shaft system. Its working principle is: CCD is installed on the fixed shaft of the shaft system, and the code disc is installed on the shaft. On the rotating shaft of the system, when the instrument rotates, the code disc rotates synchronously with the rotating shaft. The CCD continuously reads the grating signal on the code disc, and through software processing, the angle value of the instrument's rotation can be obtained. If there...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C25/00
CPCG01C25/00
Inventor 文剑光贾全谭秀龙
Owner SUZHOU XUNWEI PHOTOELECTRIC TECH