CN2587060Y - Image sensor module structure - Google Patents

Abstract

The utility model discloses an image sensor module structure, which comprises a lens base, a lens base and a lens module, wherein the lens base is provided with an upper end surface, a lower end surface and a placing chamber which penetrates through the lower end surface from the upper end surface, and the lower end surface is provided with a first clamping part; a lens barrel placed in the placing chamber from the upper end surface of the lens base; the image sensor is provided with a first surface and a second surface, the first surface is provided with a light-transmitting layer, and the first surface of the image sensor is provided with a second clamping part which is positioned at the periphery of the light-transmitting layer and is used for clamping with the first clamping part of the lens base so as to fix the image sensor on the lower end surface of the lens base; therefore, the image sensor module structure is more convenient and practical in manufacturing and assembling.

Description

Image sensor module structure

technical field

The utility model relates to an image sensor module structure, in particular to an image sensor module structure which is convenient for assembly, disassembly and effective positioning.

Background technique

Fig. 1 is the schematic diagram of existing image sensor module structure, and it comprises; A mirror base 10, it is provided with an upper end surface 12, lower end surface 14 and a placement chamber 16 that passes through lower end surface 14 by upper end surface 12, and The placement chamber 16 of the mirror base 10 is formed with an internal thread 18; a lens barrel 20 is provided with an external thread 22, and the lens barrel 20 is placed in the placement chamber 16 from the upper end surface 12 of the mirror base 10, and is connected with the mirror base 10 Internal thread 18 is screw-locked, and a light-transmitting area 24, an aspheric lens 26 and an infrared filter lens 28 are provided from top to bottom in the lens barrel 20; and an image sensor 30 is provided with a first surface 32 and a The second surface 34 and the first surface 32 are provided with a transparent layer 36 . The image sensor 30 is adhered and fixed on the lower end surface 14 of the lens base 10 through the light-transmitting layer 36, and by adjusting the screwing depth of the lens barrel 20 and the lens base 10, the aspheric lens 26 and image sensitivity of the lens barrel 20 can be controlled. The focal distance between the light-transmitting layers 36 of the detector 30.

Therefore, the above existing image sensor module structure has the following disadvantages during assembly:

1. The image sensor 30 is adhered to the lower end surface 14 of the mirror holder 10 against the light-transmitting layer 36. Therefore, when the module is damaged during use, the image sensor 30 cannot be replaced, and the entire module must be replaced. Scrapping will cause a waste of resources.

2. The light-transmitting layer 36 is adhered to the lower end surface 14 of the mirror base 10 with glue, and the glue is easy to contaminate the surface of the light-transmitting layer 36 during manufacture, resulting in poor reception of optical signals.

3. When assembling the module, the light-transmitting layer 36 must be accurately aligned with the aspheric lens 26, and fixed by adhesive bonding. Once the alignment accuracy deviates, the entire module cannot be reassembled. assembled and must be scrapped.

The image sensor module structure of the utility model can facilitate assembly, disassembly and effective positioning, making it more practical.

Utility model content

The main purpose of the present invention is to provide an image sensor module structure, which is easy to assemble and disassemble, so as to achieve the purpose of recycling resources.

Another object of the present invention is to provide an image sensor module structure, which has the effect of reducing product size, so as to achieve the purpose of lightness, thinness and compactness.

Another object of the present invention is to provide an image sensor module structure, which has the function of precise positioning, making it more convenient to manufacture.

In order to achieve the above-mentioned purpose, the utility model is characterized in that it includes a mirror base, which is provided with an upper end surface, a lower end surface and a placement chamber through which the upper end surface penetrates the lower end surface, and the lower end surface is provided with a first locking part; A lens barrel, which is placed in the placement chamber from the upper end surface of the lens base; an image sensor, which is provided with a first surface and a second surface, the first surface is provided with a light-transmitting layer, and the image A second clamping portion is formed on the first surface of the sensor at the periphery of the light-transmitting layer, and is used for interlocking with the first clamping portion of the mirror base, so that the image sensor is fixed on the bottom of the mirror base. end face.

Therefore, the effect and purpose of the utility model can be achieved, making it more practical.

Description of drawings

FIG. 1 is a schematic diagram of a conventional image sensor module structure.

FIG. 2 is an exploded cross-sectional view of the image sensor module structure of the present invention.

FIG. 3 is a combined cross-sectional view of the image sensor module structure of the present invention. Description of figure number:

Mirror mount 40 Lens barrel 42

Image sensor 44 Upper surface 46

Lower end face 48 placement chamber 50

Internal thread 52 External thread 54

Light transmission area 56 Aspheric lens 58

Infrared filter lens 60 First side 62

The second side 64 The second clamping part 66

The first clamping part 49 substrate 68

Flange layer 70 Image sensing chip 72

Groove 74

Detailed ways

FIG. 2 is an exploded sectional view of the structure of the image sensor module of the present invention, which includes a lens base 40 , a lens barrel 42 and an image sensor 44 .

The mirror base 40 is provided with an upper end face 46, a lower end face 48 and a placement chamber 50 through the lower end face 48 from the upper end face 46, and the placement chamber 50 of the mirror base 40 is formed with an internal thread 52, and the lower end face 48 of the mirror base 40 is provided with There is a first clamping portion 49 . In this embodiment, the first clamping portion 49 is a protrusion integrally formed with the mirror base 40 .

The lens barrel 42 is provided with an external thread 54, which is placed in the placement chamber 50 from the upper end surface 46 of the lens base 40, and is screwed and fixed with the internal thread 52 of the lens base 40, and the screwing position can be adjusted. A light-transmitting area 56 , an aspheric lens 58 and an infrared filter lens 60 are arranged in the lens barrel 42 from top to bottom.

The image sensor 44 is provided with a first surface 62 and a second surface 64, the first surface 62 is provided with a light-transmitting layer 65, and a second clamping portion 66 is formed on the periphery of the light-transmitting layer 65 on the first surface 62, The first clamping portion 49 is used to engage closely with the mirror base 40 so that the image sensor 44 can be precisely and conveniently fixed to the mirror base 40 .

In this embodiment, the image sensor includes a substrate 68, a flange layer 70, an image sensor chip 72 and a light-transmitting layer 65. The flange layer 70 is fixed on the substrate 68 and forms a gap with the substrate 68 for placing the image sensor. The groove 74 of the wafer 72 is measured, and the transparent layer 65 is disposed on the flange layer 70 .

FIG. 3 is a combined cross-sectional view of the structure of the image sensor module of the present invention. The first surface 62 of the image sensor 44 is placed close to the lower end surface 48 of the mirror base 40, and the second clamping part of the image sensor 44 is made 66 is engaged with the first clamping portion 49 of the mirror base 40, therefore, the image sensor 44 and the mirror base 40 can be effectively combined and fixed, and the first clamping portion 49 and the second clamping portion can 66 is precisely aligned to make its assembly more precise. Then the lens barrel 42 is screwed into the placement chamber 50 of the lens base 40 , and the focal length of the light-transmitting layer 65 and the aspheric lens 58 can be adjusted by adjusting the depth of screwing.

Therefore, the present invention combines the image sensor 44 with the mirror base 40 through clamping and fixing, which has the following advantages:

1. The image sensor 44 can be precisely combined with the mirror base 40 through the precise manufacturing of the first clamping portion 49 and the second clamping portion 66 , making the manufacture and assembly more convenient.

2. If the alignment of the image sensor 44 and the mirror base 40 is poor after assembly, they can be easily disassembled and replaced for use without scrapping the entire product.

3. Combining the image sensor 44 with the lens holder 40 in a clamping manner, so as not to contaminate the light-transmitting layer 65 with glue.

The specific embodiments proposed in the detailed description of the preferred embodiments are only for easy description of the technical content of the present utility model, and the utility model is not limited to the embodiments in a narrow sense, and all according to the spirit of the utility model and the claims scope The implementation of various changes made by the situation all belongs to the scope of the present utility model.

Claims (6)

1, a kind of image sensor modular structure, its feature includes:

One microscope base is provided with a upper surface, a lower surface and one and connects the placement chamber of this lower surface by this upper surface, and this lower surface is provided with one first fastening part;

One lens barrel, be positioned over from the upper surface of this microscope base place indoor;

One image sensor, be provided with one first and one second, this first face is provided with photic zone, and be positioned at the photic zone periphery on first of this image sensor and be formed with one second fastening part, in order to engage mutually, this image sensor is fixed on the lower surface of this microscope base with first fastening part of this microscope base.

2, the described image sensor modular structure of claim 1 is characterized in that this lens barrel is formed with a transparent area, and has an aspherical lens in this transparent area.

3, the described image sensor modular structure of claim 1 is characterized in that this lens barrel is provided with external screw thread, and the placement chamber of this microscope base is provided with internal thread, and it is indoor to make this lens barrel can revolve the placement that locks in this microscope base.

4, the described image sensor modular structure of claim 1 is characterized in that first fastening part of this microscope base is the projection integrally formed with this microscope base, and second fastening part of this image sensor is the groove that cooperates blocking with this projection.

5, the described image sensor modular structure of claim 2 is characterized in that this lens barrel includes an infrared ray filter glass in addition.

6, the described image sensor modular structure of claim 1, it is characterized in that this image sensor includes a substrate, and is located at flange layer, on this substrate and is located at image sensing wafer and on this substrate and is positioned at photic zone on this flange layer, and this second fastening part is formed on this flange layer.

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