Displacement sensor circuit mounting structure, zoom lens, and imaging device

A technology of displacement sensor and installation structure, which is applied in the direction of focusing device, focusing device, camera focusing device, etc., and can solve the problem that the flatness of the displacement sensor probe cannot be guaranteed, etc.
CN113126240APending Publication Date: 2021-07-16UNION OPTECH
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
UNION OPTECH
Publication Date
2021-07-16

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Abstract

The invention discloses a displacement sensor circuit mounting structure, a zoom lens and an imaging device, the displacement sensor circuit mounting structure comprises a mounting plate, a flexible circuit board and a displacement sensor probe, the mounting plate is used for being mounted on a lens shell of the zoom lens, the mounting plate is provided with a mounting end face and a connecting end face which are oppositely distributed in the thickness direction of the mounting plate, the flexible circuit board comprises a first section attached to the connecting end face and a second section bent from the first section and then attached to the mounting end face, and the displacement sensor probe is attached to the end face, back to the mounting plate, of the second section. The displacement sensor probe is electrically connected to the flexible circuit board, the flexible circuit board is completely attached to the two end faces of the mounting plate, the flexible circuit board is prevented from being affected by external force, the flatness of the displacement sensor probe is prevented from being affected, meanwhile, the flatness of the displacement sensor probe can be adjusted through the mounting plate, and the displacement sensor probe can be fixed on the shell.
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Description

technical field

[0001] The invention relates to the technical field of optical imaging, in particular to a displacement sensor circuit installation structure, a zoom lens and an imaging device. Background technique

[0002] The zoom lens includes a housing and a mobile carrier. The lens is set on the mobile carrier. In this way, the optical zoom is realized by the movement of the mobile carrier relative to the housing. At the same time, a displacement sensor is set to cooperate with the optical zoom. At present, the induction grid of the displacement sensor is usually installed on the mobile carrier. The sensor probe is usually installed on the flexible circuit board of the shell, but because the flexible circuit board is easily deformed by the external influence, the flatness of the displacement sensor probe cannot be guaranteed, so that the measurement results of the displacement sensor are prone to deviation. Contents of the invention

[0003] The main purpose of the pr...

Claims

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