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A hollow split conductive plastic potentiometer

A conductive plastic, split-type technology, applied in the direction of sliding contact resistors, etc., can solve the problems of shaft deviation, accuracy and service life not as expected, high shaft accuracy requirements, etc., to achieve the effect of large tolerance and reduced installation accuracy

Active Publication Date: 2022-03-04
SHANGHAI AEROSPACE CONTROL TECH INST
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] The technical problem solved by the present invention is: in view of the current existing technology, the traditional integrated potentiometer is prone to shafting deviation, precision and service life are not as expected due to its large volume and high requirements on shafting accuracy, and proposes A hollow split conductive plastic potentiometer

Method used

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  • A hollow split conductive plastic potentiometer
  • A hollow split conductive plastic potentiometer

Examples

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Embodiment Construction

[0021] A hollow split-type conductive plastic potentiometer, which is installed separately and uses a hollow hollow shaft to design cables, air passages, and transfer shaft channels. The number of spring coils, pitch, radial elastic deformation, and radial elastic pressure The torque design enables the planar spring to meet the working requirements of the potentiometer. At the same time, an arc-shaped resistor body made of conductive plastic is arranged in the conductive matrix, which reduces the required installation accuracy and ensures large radial and axial clearance tolerances. Split installation can be realized, such as figure 1 As shown, including base-1, bearing-2, hollow shaft-3, screw-4, conductive base-5, insulating bushing-6, conductive ring-7, plane spring-8, current collector-9, contact spring Sheet-10, brush-11, lead-out cable-12, block-13, pressing block-14, of which:

[0022] The base is fixed on the external mechanism through the threaded hole set at the low...

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Abstract

A hollow split-type conductive plastic potentiometer, including a base, a bearing, a hollow shaft, a conductive base, an insulating bush, a conductive ring, a plane spring, a current collecting line, a contact reed, a brush, a lead-out cable, a stopper, a pressure Block, through the hollow shaft hollow design and the flat spring property preset, while meeting the needs of use, it realizes separate installation, which solves the problem that the traditional integrated potentiometer is prone to shafting due to its large volume and high requirements for shafting accuracy. The problem of deviation, accuracy and life is not as expected, and the structure is stable.

Description

technical field [0001] The invention relates to a hollow split conductive plastic potentiometer, which belongs to the field of aerospace sensor design. Background technique [0002] The potentiometer is a resistive element with three terminals and the resistance value can be adjusted according to a certain change rule. A potentiometer usually consists of a resistor body and a movable brush. When the brush moves along the resistor body, a resistance value or voltage that has a certain relationship with the displacement is obtained at the output end. [0003] At present, with the continuous development of aerospace technology, the development of strategic and tactical weapons tends to be miniaturized and high-precision. The reliability and service life of the potentiometer put forward higher requirements. [0004] The traditional potentiometer is an integrated potentiometer, that is, the rotor and stator of the potentiometer are integrated into a whole potentiometer. The v...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01C10/34
CPCH01C10/34
Inventor 张建坤吴建东徐松仇荣生胡百振申涛王瑞芬刘滨刘建旭
Owner SHANGHAI AEROSPACE CONTROL TECH INST
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