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Photoelectric encoder component

A technology of photoelectric encoders and components, applied in the field of encoders, can solve problems such as long installation time, difficult operation, and high cost, and achieve the effects of low cost, extended service life, and correct position

Inactive Publication Date: 2012-05-30
SHANGHAI HENGXIANG OPTICAL ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the problems of long installation time, difficult operation and high cost of existing photoelectric encoders. The technical problem to be solved by the present invention is to provide a photoelectric encoder assembly

Method used

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  • Photoelectric encoder component
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Embodiment Construction

[0027] In order to make the technical means, creative features, goals and effects of the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0028] Such as figure 1 with figure 2 As shown, a photoelectric encoder assembly adopts a PC casing, including a light source 6, a slit 5, a moving grating 4, and a light receiver 3.

[0029] The light source 6, the slit 5, the moving grating 4 and the light receiver 3 are fixed together according to their relative positions during use. The light source 6 is an infrared light source.

[0030] The bracket 7 is made of plastic or aluminum alloy, and includes a ring structure and 3 screw fixing columns. The center of the ring structure can be sleeved on the motor shaft 12 (see Figure 5 ), the annular structure of the bracket 7 is provided with two screw holes 9, the screw holes 9 correspond to the positions of the screw passages provided by the motor 1...

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PUM

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Abstract

A photoelectric encoder component comprises a bracket provided with a light source, a slit and a screw fixed column, a movable optical grating and a light receptor, wherein the light receptor thereon is provided with a circuit board, the centre of the movable optical grating is provided with a shaft sleeve, the light receptor is connected with the shaft sleeve of the movable optical grating through thread, and the light receptor is threaded to the screw fixed column of the bracket by a screw. The position of the movable optical grating is determined by a plug plate mounted between the movableoptical grating and the light receptor and pulled out after installation. The photoelectric encoder component is fixed on a motor through the screw. The photoelectric encoder component is fixed on a motor shaft in radial direction through the screw. The invention has the advantages of convenient installation, quick time, easy operation, low cost and prolonged service life.

Description

technical field [0001] The invention relates to a photoelectric encoder assembly, which belongs to the technical field of encoders. Background technique [0002] Photoelectric encoder is a sensor that converts the mechanical geometric displacement on the output shaft into pulse or digital quantity through photoelectric conversion. It is mainly used in elevators, textile machinery, oiling machines, automation equipment, cutting machinery, printing machinery, packaging machinery , knitting machinery, servo motors, robots and CNC processing machinery and other fields. [0003] The photoelectric encoder assembly includes a light source, a slit, a moving grating, and a light receiver, and the assembly position and height of each component must be absolutely accurate. Such as figure 1 As shown, the existing photoelectric encoder components are not fixed together after being debugged and shipped from the factory. A bracket is used to set the light source and slit, the moving grat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D5/38
Inventor 方国祥
Owner SHANGHAI HENGXIANG OPTICAL ELECTRONICS