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Lens module, camera module and assembly method

A camera module and lens module technology, applied in the field of photography, can solve the problems of vertical, affecting image quality, uneven mechanical stress, etc.

Active Publication Date: 2021-04-30
TRULY OPTO ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the screw locking process, the screws will exert mechanical force on the printed circuit board, resulting in deformation of the printed circuit board. At the same time, the locking force of different screws is different, resulting in uneven mechanical stress on the printed circuit board and tilting. The sensor on the printed circuit board is also tilted and cannot be kept perpendicular to the optical axis of the lens, which affects image quality

Method used

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  • Lens module, camera module and assembly method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024]Such asfigure 1As shown, a lens module includes a lens 1, a locking piece 2 and a clamping ring 3, wherein

[0025]The lens 1 includes an axially coupled head 11 and a body portion 12, and the radius of the head 11 is larger than the radius of the body portion 12;

[0026]The locking piece 2 is arranged in the body portion 12 of the lens 1, and at least one locking hole 23 that is paid to the terminal machine is opened;

[0027]The clamping ring 3 is rotated outside the body portion 12 of the lens 1, and the head 11 of the lens 1 is clamped to fix the locking piece 2.

[0028]The lens module has a locking piece 2 at the outer casing of the body portion 12 of the lens 1, and then securing the body portion 12 of the lens 1 to be fixed by the clamping ring 3 to with the head portion of the lens 1. 11 Tuning the fixed said locking piece 2 together, the imaging module assembled with the lens module is mounted to the terminal machine, and the locking hole 23 on the locking piece 2 is screwed wi...

Embodiment 2

[0034]Such asfigure 1As shown, an imaging module, including the lens module and sensing module described in the first embodiment, the lens module to rotate the sensing module by the lens 1.

[0035]The sensing module includes a printed circuit board 4, a sensor, and a module base 5, and the sensor is mounted on the printed circuit board 4, the module base 5 is bonded to the printed circuit board 4 and covers The sensor is accommodated; the module base 5 has a vapor hole above the photosensitive surface of the sensor, and the inner wall of the passage hole has a second internal thread that rotates an external thread of the lens 1. .

[0036]When assembled, the lens 1 is screwed into the module base 5, and the lens 1 and the sensor are position AA, and finally the point glue is fixed between the lens 1 and the module base 5.

[0037]The printed circuit board 4 is a hard PCB plate.

Embodiment 3

[0039]An assembly method of an imaging module, including:

[0040]Step 1: Provide the lens module and sensing module described in the embodiment;

[0041]Wherein, the sensing module includes a printed circuit board 4, a sensor, and a module base 5, and the sensor is mounted on the printed circuit board 4, the module base 5 is bonded to the printed circuit board 4 And covering the sensor; the module base 5 has a vapor hole above the photosensitive surface of the sensor, and the inner wall of the passage has a second thread having an outer thread of the lens 1. internal thread.

[0042]Step 2: Secure the lens module to the sensing module through the lens 1.

[0043]In this step 2, after the lens 1 is rotated into the module base 5, the lens 1 and the sensor are positioned Aa, and finally, at the lens 1 and the module base 5, point glue fixation

[0044]After step 2, it also includes:

[0045]Step 3: The imaging module is locked on the machine terminal through the locking hole 23 on the locking piece 2....

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PUM

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Abstract

The invention discloses a lens module, a camera module and an assembly method. The lens module includes a lens, a locking piece and a clamping ring, wherein the lens includes a head and a body connected axially, and the radius of the head is greater than that of the body; the locking piece is sleeved on the Outside the body of the lens, there is at least one locking hole for locking with the whole terminal; the clamping ring is screwed and fixed outside the body of the lens, and is clamped and fixed together with the head of the lens The lock payment piece. The lens module replaces the existing printed circuit board locking by indirect locking of the lens and the terminal machine, which will not affect the relative angle between the sensor and the lens of the camera module.

Description

Technical field[0001]The present invention relates to the field of imaging, and more particularly to a lens module, an imaging module, and an assembly method.Background technique[0002]At present, the long-wide size of the printed circuit board in the market is 38mmx38mm or more large-size camera module. When it is installed to the terminal, 3-4 locking holes are generally opened on the printed circuit board, and then through the screw The image module is fixed to the terminal machine to increase stability. During the screw lock, the screw will generate mechanical force to the printed circuit board, resulting in deformation of the printed circuit board, and the lock payment of the screw is different, resulting in uneven mechanical stress, which is not uniform, and is mounted in the mechanical stress of the printed circuit board. The sensor on the printed circuit board also inclined without maintaining vertical with the lens optical axis, affecting image quality.Inventive content[0003...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B7/02G03B17/12
CPCG02B7/02G02B7/022G03B17/12
Inventor 王军伟
Owner TRULY OPTO ELECTRONICS
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