CN211089723U

CN211089723U - Camera module

Info

Publication number: CN211089723U
Application number: CN201922083256.4U
Authority: CN
Inventors: 龚海鑫
Original assignee: Jiangxi Lianyi Optics Co Ltd
Current assignee: Jiangxi Lianyi Optics Co Ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-07-24
Anticipated expiration: 2029-11-28

Abstract

A camera module comprises an image sensor assembly, a support, an optical filter, an integrated lens and a driving element. The bracket is arranged right above the image sensor in the image sensor assembly, the bracket is connected with the circuit board of the image sensor assembly through gluing, and the optical filter is arranged at the hollow part of the bracket; the integrated lens comprises a lens barrel, an insulating carrier and a lens group accommodated in the lens barrel, wherein the lens barrel and the insulating carrier are of an integrated structure, and the upper surface of the integrated lens is provided with an independent first lens; the driving element comprises a shell, an upper elastic sheet, a coil, a magnetic assembly, a lower elastic sheet assembly and a base, wherein the lower elastic sheet assembly is installed in the base, the integrated lens is abutted against the lower elastic sheet assembly, the coil is wound on an insulating carrier of the integrated lens in a surrounding mode, a joint of the coil is electrically connected with the lower elastic sheet, the upper elastic sheet is fixed in the shell, and the magnetic assembly is fixed on the upper elastic sheet and wound around the coil.

Description

Camera module

Technical Field

The utility model relates to an optical imaging field, concretely relates to camera module.

Background

A conventional camera module generally includes an image sensor assembly, a bracket, a filter, a lens element and a driving element, and the lens needs to be focused during an assembly process.

Generally, the lens element and the driving element are connected by threads, and in the process, the problem of torque force incompatibility or variation between the lens element and the driving element can be encountered, and because the assembly of the lens element and the driving element needs to be matched by threads, friction debris is very easy to fall onto an image sensor of a camera module or threads are occluded and dislocated in the production process, so that the problems of focusing, influence on the imaging of the image sensor and the like can be easily caused, and the production yield is reduced.

Because lens element and drive element focusing need be fixed through gluing after accomplishing, and this step not only need consume a large amount of manual works to there is the lens element risk of droing, lead to product poor stability, thereby influence the quality of camera module.

Therefore, it is necessary to simplify the assembly structure between the lens element and the driving element to solve the problem during the assembly process.

Disclosure of Invention

The utility model discloses the main technical problem who solves provides a camera module, through the lens cone with among the lens component and drive element's insulating carrier integrated into one piece structure, replaced the split type structure of lens component and drive element among the traditional camera module, simplified production technology has reduced camera module cost simultaneously, has improved camera module group and has formed like the quality.

A camera module comprises an image sensor assembly, a support, an optical filter, an integrated lens and a driving element.

The support is arranged right above an image sensor in the image sensor assembly, the support is connected with a circuit board of the image sensor assembly through gluing, and the optical filter is arranged at the hollow part of the support.

The integrated lens comprises a lens barrel, an insulating carrier and a lens group accommodated in the lens barrel, wherein the lens barrel and the insulating carrier are in an integrated structure.

The driving element comprises a shell, an upper elastic sheet, a coil, a magnetic assembly, a lower elastic sheet assembly and a base, wherein the lower elastic sheet assembly is installed in the base, the integrated lens abuts against the lower elastic sheet assembly, the coil surrounds an insulating carrier of the integrated lens, a joint of the coil is electrically connected with the lower elastic sheet, the upper elastic sheet is fixed in the shell, and the magnetic assembly is fixed on the upper elastic sheet and surrounds the periphery of the coil.

Further, the lens barrel and the insulating carrier form an integrally formed structure through an injection molding process.

Further, the outside of base is provided with the locating pin, the base passes through the locating pin with the shell is connected.

Further, the integrated lens and the driving element are combined into a lens module, and the lower surface of the lens module is connected with the upper surface of the support through gluing.

Furthermore, the upper surface of integral type camera lens is equipped with independent first lens, first lens with the camera lens module passes through AA technique (module aligning technique) and adjusts the imaging effect.

Further, the number of the magnetic assemblies is four permanent magnets.

The utility model provides a camera module has following advantage at least:

(1) the lens element and the drive element of camera module adopt split type structure among the prior art, and are threaded connection mode usually, the utility model discloses a lens cone and insulating carrier integrated into one piece structure among the lens element causes the problem on the image sensor of piece dropping camera module in avoiding the assembling process to effectual equipment difficulty that has reduced, the production and processing of being convenient for.

(2) Camera module is through focusing to the lens in the equipment process among the prior art, the utility model discloses a AA technique (module aligning technique) has improved the axiality of image sensor center normal and camera lens optical axis, has realized the coincidence of camera lens optical axis and image sensor normal simultaneously, has improved the yields of camera module.

Drawings

Fig. 1 is a schematic view of a camera module provided in an embodiment of the present invention.

Fig. 2 is a schematic view of an integrated lens provided in an embodiment of the present invention.

Fig. 3 is an exploded view of a drive element provided in an embodiment of the present invention.

Fig. 4 is an exploded view of a camera module according to an embodiment of the present invention.

Description of the main element symbols: a first lens 101; a drive element 102; an integral lens 103; a bracket 104; an optical filter 105; an image sensor component 106; a housing 1021; an upper spring plate 1022; a coil 1023; a magnetic component 1024; a lower spring plate assembly 1025; a base 1026; a lens group 1031; a lens barrel 1032; an insulating carrier 1033.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, a schematic diagram of a camera module 10 according to an embodiment of the present invention is shown, which employs an integrated lens and AA (module aligning) technology.

Specifically, in the present embodiment, the camera module 10 includes an image sensor assembly 106, a bracket 104 installed directly above the image sensor in the image sensor assembly 106, a filter 105 installed at a hollow portion of the bracket 104, an integral lens 103, a driving element 102 for assembling the integral lens 103, and a first lens 101 installed on an upper end surface of the integral lens 103.

Specifically, in this embodiment, please refer to fig. 2, which shows a schematic diagram of an integrated lens of a camera module according to an embodiment of the present invention, the integrated lens 103 is composed of a lens group 1031, a lens barrel 1032 and an insulating carrier 1033, a plurality of layers of step holes are formed inside the lens barrel 1032 and run through the lens barrel, diameters of the step holes are related to diameters of lenses in the lens group 1031, the insulating carrier 1033 and the lens barrel 1032 are integrally formed, and the insulating carrier 1033 is provided with a position-limiting structure for assembling with the driving element 102.

Specifically, in this embodiment, please refer to fig. 3, which shows an exploded view of a driving element of a camera module according to an embodiment of the present invention, the driving element 102 includes a housing 1021, an upper spring 1022, a coil 1023, a magnetic component 1024, a lower spring 1025 and a base 1026, the lower spring 1025 is installed in the base 1026, the coil 1023 is surrounded in a position-limiting structure of an insulating carrier 1033 of the integrated lens 103, a joint of the coil 1023 is electrically connected to the lower spring 1025, and the integrated lens 103 is placed on the lower spring 1025; the upper spring piece 1022 is welded in the shell 1021, and the magnetic component 1024 is fixed on the upper spring piece 1022 through positioning slots arranged at four corners of the shell 1021, and surrounds the coil; the outer side of the base 1026 is provided with a positioning pin, and the shell 1021 is fastened on the positioning pin of the base 1026 and then connected through welding.

Specifically, in this embodiment, please refer to fig. 4, which shows an exploded view of a camera module provided in an embodiment of the present invention, where the image sensor assembly 106 includes an image sensor, a circuit board, an electronic component, and the like; a step through hole is formed in the middle of the support 104, the size of the through hole is slightly larger than that of an image sensor in the image sensor assembly 106, and the size of the step is slightly larger than that of the optical filter 105, so that the optical filter 105 is bonded in the step through hole on the upper surface of the support 104 through glue; the lower surface of the bracket 104 is connected with the upper surface of the image sensor assembly 106 through glue; placing a semi-finished lens formed by assembling the driving element 102 and the integrated lens 103 on the bracket 104, wherein the upper surface of the bracket 104 is connected with the lower surface of the base 1026 through glue; finally, the first lens 101 is adjusted by an AA technology (module aligning technology) and then bonded to the upper top surface of the integrated lens 103.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a camera module, includes image sensor subassembly, support, light filter, integral type camera lens and drive element, its characterized in that: the integrated lens comprises a lens barrel, an insulating carrier and a lens group accommodated in the lens barrel, wherein the lens barrel and the insulating carrier are of an integrated structure, and an independent first lens is arranged on the upper surface of the integrated lens.

2. The camera module according to claim 1, wherein the driving element comprises a housing, an upper spring, a coil, a magnetic assembly, a lower spring and a base, the lower spring is mounted in the base, the integrated lens abuts against the lower spring, the coil surrounds an insulating carrier of the integrated lens, a connector of the coil is electrically connected with the lower spring, the upper spring is fixed in the housing, and the magnetic assembly is fixed on the upper spring and surrounds the coil.

3. The camera module according to claim 2, wherein a positioning pin is provided on an outer side of the base, and the base is connected to the housing through the positioning pin.

4. The camera module of claim 2, wherein the magnetic assembly is four permanent magnets.