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A high parallelism installation method and camera of a large target surface sensor

An installation method and sensor technology, applied to color TV parts, TV system parts, TVs, etc., can solve the problems of excessive parallelism error between the lens and the sensor, unfavorable maintenance of camera parts, high cost of positioning tooling, etc., to achieve Effects that improve clarity, optimize effects, and improve accuracy

Active Publication Date: 2020-08-21
BEIJING DAHENG IMAGE VISION +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, on the one hand, the cost of positioning tooling is high, and it cannot be disassembled after being glued, which is not conducive to the maintenance of camera components. On the other hand, although the high-precision positioning tooling is used, the plane of the lens flange , There is a cumulative error between the front side of the front shell and the rear side of the front shell, and there is a possibility that the parallelism error between the lens and the sensor is too large

Method used

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  • A high parallelism installation method and camera of a large target surface sensor
  • A high parallelism installation method and camera of a large target surface sensor
  • A high parallelism installation method and camera of a large target surface sensor

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Embodiment 1

[0026] The following will refer to Figure 1 to Figure 3 Embodiments of the present application will be described.

[0027] Such as figure 1 As shown, the first embodiment provides a camera, including: a front housing 04, an image sensor assembly 05 and a lens flange 01; the lens flange 01 is provided with a first plane 11, a second plane 12 and a first positioning hole 13 , the first plane 11 is set on the outside of the lens flange 01, the second plane 12 is set on the inside of the lens flange 01, and the first positioning hole 13 is set on the second plane 12;

[0028] Specifically, such as figure 2 As shown, in order to prevent relative displacement of the assembled lens flange 01 and front housing 04 during processing, a first positioning hole is provided on the second plane 12 of the lens flange 01 so as to align with the first positioning of the front housing 04 The column 44 performs the first positioning assembly, and by setting three first positioning holes, on ...

Embodiment 2

[0045] The following will refer to Figure 4 Embodiments of the present application will be described.

[0046] This embodiment 2 provides a high parallelism installation method for a large target surface sensor, which is suitable for installing the lens flange, front shell and image sensor assembly of the camera. In order to simplify the description of this embodiment 2, the Taking the camera as an example, the installation method includes the following steps:

[0047] Step 1, fix the front case 04 and the lens flange 01 on the processing platform 06 respectively, and process the parallelism of the front case 04 and the lens flange 01;

[0048] Wherein, the processing plane of the front housing 04 includes the third plane 41 and the fourth plane 42, the processing plane of the lens flange 01 includes the first plane 11 and the second plane 12, and the sensor mounting surface 43 of the front housing 04 is not processed for parallelism. , After the front shell 04 and the lens...

Embodiment 3

[0066] The following will refer to Figure 5 to Figure 6 Embodiments of the present application will be described.

[0067] The various components of the camera involved in this embodiment are the same as those in the first embodiment, and the installation method of the various components involved is the same as that in the second embodiment. In this embodiment, the image sensor assembly 05 is description, such as Figure 5 As shown, the image sensor assembly 05 involved in this embodiment includes: an image sensor circuit board 501 , an image sensor socket 502 , a heat dissipation plate 503 , a heat-conducting silicone pad 504 and an image sensor 505 .

[0068] The image sensor circuit board 501 can be a PCB board, with copper leakage areas arranged around it, and metallized mounting holes are respectively provided at the four corners, which can be used to fasten the image sensor circuit board 501 to the front cover 04, and the metallized mounting holes and While the bolts ...

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Abstract

The application discloses a high parallelism installation method of a large target surface sensor and a camera. The installation method includes: step 1, fixing the front shell and the lens flange on the processing platform respectively, Parallelism processing, wherein, the processing plane of the front shell includes the third plane and the fourth plane, and the processing plane of the lens flange includes the first plane and the second plane; step 2, according to the first positioning hole and the first positioning post, the The processed front shell and the processed lens flange are assembled, which is recorded as an assembly; step 3, based on the first plane of the lens flange, fix the assembly on the processing platform; step 4, the front shell The sensor mounting surface is processed for parallelism, and the processed sensor mounting surface is parallel to the first plane of the lens flange. Through the technical solution in this application, it is beneficial to reduce the cumulative error of the parallelism between the sensor assembly surface and the lens, thereby improving the imaging effect of the image sensor.

Description

technical field [0001] The present application relates to the technical field of camera sensors, in particular, to a high-parallel installation method of a large target surface sensor and a camera. Background technique [0002] During the imaging process of the camera, the image sensor is required to be parallel to the lens, that is, the sensor assembly surface is parallel to the lens flange plane, so as to ensure a good imaging effect of the camera. The sensor assembly surface is set on the rear side of the front shell, and the lens The flange is mounted on the front side of the front case. Usually, the lens flange and the front shell are processed separately through high-precision positioning tooling, and then glued together to ensure the parallelism between the lens flange and the sensor assembly surface. [0003] In the prior art, on the one hand, the cost of positioning tooling is high, and it cannot be disassembled after being glued, which is not conducive to the main...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/225
CPCH04N23/51H04N23/54H04N23/55
Inventor 黄伟伟李晓艳高原李永怀仇开阳张培芬
Owner BEIJING DAHENG IMAGE VISION
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