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Optoelectronic integration block for incremental photoelectric encoder

An optoelectronic encoder and optoelectronic integration technology, applied in instruments, measuring devices, converting sensor output, etc., can solve the problems of small adaptable ambient temperature range, difficult installation and debugging, large area of ​​photovoltaic cells, etc., to reduce uneven illumination, installation and debugging. Convenient, small photosensitive area

Inactive Publication Date: 2013-10-09
长春富通电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a photoelectric integrated block for an incremental photoelectric encoder to solve the problems of large photocell area, low response frequency, small adaptable environment temperature range, and difficult installation and debugging.

Method used

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  • Optoelectronic integration block for incremental photoelectric encoder
  • Optoelectronic integration block for incremental photoelectric encoder
  • Optoelectronic integration block for incremental photoelectric encoder

Examples

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Embodiment Construction

[0011] The positioning column 2 is fixedly connected to the housing 7, the lead wire 1 is fixedly connected to the housing 7, the point light source 3 and the aspheric lens 4 are respectively located inside the lower part of the housing 7, the array photocell 5 is fixedly connected to the circuit board 6, and the circuit board is located in the housing Above the inside, the structure of the photocell array is: the substrate 501 is fixedly connected to the photocell array 1 a and the photocell array 2 b with a difference of 90 degrees, the photocell array 1 a and the photocell array 2 b are arranged in a mixed manner, and the After the photovoltaic cells in each row are connected in series, each row is connected in series, and after the photovoltaic cells in each row of the photocell array 2b are connected in series, each row is connected in series.

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Abstract

The invention relates to an optoelectronic integration block for an incremental photoelectric encoder and belongs to the field of optoelectronic integration blocks of photoelectric encoders. According to the optoelectronic integration block for the incremental photoelectric encoder, a locating column is fixedly connected with a shell body, a lead wire is fixedly connected with the shell body, a point light source and an aspherical lens are respectively located on the lower portion inside the shell body, an array photocell is fixedly connected with a circuit board, and the circuit board is arranged on the upper portion inside the shell body. The optoelectronic integration block for the incremental photoelectric encoder has the advantages of being novel in structure, convenient to install and debug, capable of improving production efficiency, and beneficial to scale production.

Description

technical field [0001] The invention belongs to a photoelectric integrated block for a photoelectric encoder. Background technique [0002] Such as figure 1 The photoelectric conversion system of the incremental photoelectric encoder shown is composed of a light emitting device 2, a collimating objective lens 3, a slit 4, and a photocell 6, and the key part is the slit. The slit is a fixed grating, and the code disc is a moving grating. The constants of the two gratings are the same, and they move to generate moiré fringes, which are received by the photocell to generate electrical signals. Such as figure 2 The shown code wheel and slit form a double grating diffraction, reducing the signal quality. In addition, the photovoltaic cell has a large area, low response frequency, and a small temperature range to adapt to the environment. Since it is a spare part, it is difficult to install and debug. Contents of the invention [0003] The invention provides a photoelectric...

Claims

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Application Information

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IPC IPC(8): G01D5/347
Inventor 韩万富杨致发李凤春
Owner 长春富通电子科技有限公司
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