阅读说明：本技术 摄像头模组 (Camera module ) 是由 赵立新 杨伟成 于 2018-05-20 设计创作，主要内容包括：本发明涉及一种摄像头模组,包括：外壳结构,镜筒模块,防尘的软性连接结构；所述防尘的软性连接结构的一部分连接于所述镜筒模块,一部分连接于所述外壳结构；所述防尘的软性连接结构,外壳结构与镜筒模块形成腔体；当所述镜筒模块运动时,所述防尘的软性连接结构与所述镜筒模块的连接部分随所述镜筒模块进行运动,阻止外界影响模组成像性能的异物进入腔体,所述异物包括：水、油、粉尘。(The present invention relates to a kind of camera modules, comprising: shell mechanism, lens barrel module, dust-proof soft connection structure；A part of the dust-proof soft connection structure is connected to the lens barrel module, and a part is connected to the shell mechanism；The dust-proof soft connection structure, shell mechanism and lens barrel module form cavity；When the lens barrel block motion, the coupling part of the dust-proof soft connection structure and the lens barrel module is moved with the lens barrel module, prevents the extraneous foreign matter for influencing mould group imaging performance from entering cavity, the foreign matter includes: water, oil, dust.)

1. a kind of camera module, which is characterized in that the camera module includes: shell mechanism, and lens barrel module, dust-proof is soft Property connection structure；

A part of the dust-proof soft connection structure is connected to the lens barrel module, and a part is connected to the shell knot Structure；The dust-proof soft connection structure, shell mechanism and lens barrel module form cavity；

When the lens barrel block motion, the coupling part of the dust-proof soft connection structure and the lens barrel module is with described Lens barrel module is moved, and prevents the extraneous foreign matter for influencing mould group imaging performance from entering cavity, the foreign matter includes: water, oil, powder Dirt.

2. camera module according to claim 1, which is characterized in that

The shell mechanism includes a upper bulge-structure, and bulge-structure can be inserted into when the mould group is assembled on mobile phone on this Into the aperture of mobile phone back shroud；

Bulge-structure increases the internal cavity of the shell mechanism on this, convenient for assembling the dust-proof soft connection structure.

3. camera module according to claim 2, which is characterized in that

The upper bulge-structure of the shell mechanism is the separate structure part an of upper circular, is connected with the other structures part of shell It is connected together and constitutes the shell mechanism.

4. camera module according to claim 1, which is characterized in that

A ventilating structure is contained in the shell mechanism, outer gas in shell mechanism when convenient for lens module movement The flowing of body.

5. camera module according to claim 1, which is characterized in that

The in-flanges structure of bending from bottom to top is contained in the shell mechanism；The in-flanges structure forms mould group magnetism and returns The a part on road.

6. camera module according to claim 5, which is characterized in that

The in-flanges structure is rigid structure, can be used for stablizing the lens barrel module, avoids tilting.

7. camera module according to claim 2, which is characterized in that

The upper bulge-structure of the shell mechanism is that a band is ventilative in a circular separate structure part and the shell mechanism The structural member of notch, assembly are integrated；Then by a part of the dust-proof soft connection structure and the ventilative notch of the band Structural member bonding；It is assembled again with the structural member for having in-flanges structure in shell mechanism, constitutes the shell knot of camera module Structure.

8. camera module according to claim 5, which is characterized in that

The benchmark assembled with the structural member for having in-flanges in the shell mechanism as camera module.

9. camera module according to claim 1, which is characterized in that the dust-proof soft connection structure is elastic material Matter structure can be deformed with the movement of lens barrel module.

10. camera module according to claim 1, which is characterized in that the dust-proof soft connection structure forms one Air bag, the air bag and dust-proof soft connection structure, shell mechanism are connected to the cavity that lens barrel module is formed；

When the lens barrel module carries out retraction campaign, the dust-proof soft connection structure, shell mechanism and lens barrel module shape At cavity gas flow into the air bag of the soft connection structure；Internal and external pressure difference bring hinders when reducing lens barrel block motion Power；

When the lens barrel module carries out stretch out motion, the gas in soft connection structure air bag flows into the dust-proof soft company In the cavity that binding structure, shell mechanism and lens barrel module are formed；Internal and external pressure difference bring resistance when reducing lens barrel block motion.

11. camera module according to claim 1, which is characterized in that

The dust-proof soft connection structure has ventilative performance, when convenient for lens module movement inside and outside the cavity The flowing of gas and the balance of inner and outer air pressure.

Technical field

The present invention relates to a kind of camera modules.

Background technique

With the rapid development of the smart phone industry, requirement of the people to mobile phone camera imaging effect is also gradually mentioning Height, compared with traditional camera system, mobile phone camera module (Cell phone Camera Module, CCM) because its miniaturization, it is low The advantages that power consumption, low cost and high image quality and be widely used in various new generation portable camera equipments.

Currently, the structure of CCM includes lens barrel module, voice coil motor (Voice Coil Motor, VCM), infrared ray cut Optical filter, sensor, flexible circuit board (Flexible Printed Circuit board, FPC) or printed circuit board (Printed Circuit Board, PCB), and the connector being connect with cell phone mainboard.Wherein, VCM is for realizing camera lens list The automatic focusing function of member, and VCM is usually made of magnetic part, coil, elastic slice and carrier, in the VCM course of work, is given first Coil is powered, and coil generates magnetic field after being powered, and the magnetic fields generated in coil are in magnetic part, line under the action of electromagnetic force Circle movement adjusts image distance and object distance to drive the lens barrel module connecting with VCM mobile, and clearly image is presented.

Overwhelming majority mobile device such as mobile phone, tablet computer at present, can all carry camera module, pass through camera module The conversion between optical signal and electric signal, record and preservation image information are realized, so that realization is taken pictures and camera function.Traditional Camera module generally includes braced frame, image sensor chip, lens barrel and telescopic lens module, when the camera lens mould When group is flexible, due to the ambient pressure of camera module and the imbalance of air pressure inside, outside air can pass through camera module All parts between gap pass in and out the cavity that is made of lens barrel, braced frame and image sensor chip so that outside Dust particles in boundary's air enter the internal cavities pollution image sensor chip of camera module, in camera imaging region It is bad to form black stain etc., and then influences image quality and camera module performance.

Universal solution has and increases dust-proof knot when the design of camera module component as far as possible in the industry at present Structure, such as increase dustproof groove inside the motor of camera, and guarantee that camera module producing line environment and mobile device assembling produce The dust-proof grade of thread environment.Above-mentioned dustproof construction is complicated, and dust-proof effect is poor, not can be well solved problem.

Summary of the invention

It is an object of the invention to improve the anti-dust performance of camera module, improve image quality.

In order to solve the above-mentioned technical problem, a kind of camera module of the present invention, the camera module includes: shell knot Structure, lens barrel module, dust-proof soft connection structure；A part of the dust-proof soft connection structure is connected to the lens barrel mould Block, a part are connected to the shell mechanism；The dust-proof soft connection structure, shell mechanism and lens barrel module form chamber Body；

When the lens barrel block motion, the coupling part of the dust-proof soft connection structure and the lens barrel module is with described Lens barrel module is moved, and prevents the extraneous foreign matter for influencing mould group imaging performance from entering cavity, the foreign matter includes: water, oil, powder Dirt.

Preferably, the shell mechanism includes a upper bulge-structure, and bulge-structure is assembled to mobile phone in the mould group on this When upper, it can be inserted into the aperture of cell phone rear cover plate；

Bulge-structure increases the internal cavity of the shell mechanism on this, convenient for assembling the dust-proof flexible structure.

Preferably, the upper bulge-structure of the shell mechanism is the separate structure part an of upper circular, with shell its He links together and constitutes the shell mechanism at structural member.

Preferably, a ventilating structure is contained in the shell mechanism, it is described outer when convenient for lens module movement The flowing of gas inside and outside shell structure.

Preferably, the in-flanges structure of bending from bottom to top is contained in the shell mechanism；The in-flanges structure shape At a part of mould group magnetic circuit.

Preferably, the in-flanges structure is rigid structure, can be used for stablizing the lens barrel module, avoids tilting.

Preferably, the upper bulge-structure of the shell mechanism is a circular separate structure part and the shell mechanism In a band breathe freely the structural member of notch, assembly is integrated；Then by a part of the dust-proof soft connection structure and institute State the structural member bonding of the ventilative notch of band；It is assembled again with the structural member for having in-flanges structure in shell mechanism, constitutes camera The shell mechanism of mould group.

Preferably, the benchmark assembled with the structural member for having in-flanges in the shell mechanism as camera module.

Preferably, the dust-proof soft connection structure is elastic material structure, can be carried out with the movement of lens barrel module Deformation.

Preferably, the dust-proof soft connection structure forms an air bag, the air bag and dust-proof soft connection structure, Shell mechanism is connected to the cavity that lens barrel module is formed；

When the lens barrel module carries out retraction campaign, the dust-proof soft connection structure, shell mechanism and lens barrel module shape At cavity gas flow into the air bag of the soft connection structure；Internal and external pressure difference bring hinders when reducing lens barrel block motion Power；

When the lens barrel module carries out stretch out motion, the gas in soft connection structure air bag flows into the dust-proof soft company In the cavity that binding structure, shell mechanism and lens barrel module are formed；Internal and external pressure difference bring resistance when reducing lens barrel block motion.

Preferably, the dust-proof soft connection structure has ventilative performance, moves when institute convenient for the lens module State the balance of the flowing of gas and inner and outer air pressure inside and outside cavity.

Soft connection structure, the soft company is arranged in the top of camera module of the invention, Yu Suoshu camera module Binding structure is located between the outer wall and shell of lens barrel module, and inside forms cavity, when lens barrel block motion, the soft connection Structure is moved with lens barrel module, and the foreign matters such as extraneous water, oil, the dust for influencing mould group imaging performance is prevented to enter cavity, To improve the image quality of camera module.

Detailed description of the invention

Fig. 1 is the diagrammatic cross-section according to the camera module of one embodiment of the invention；

Fig. 2 is the schematic top plan view according to the camera module of one embodiment of the invention；

Fig. 3 is the schematic top plan view according to the camera module of another embodiment of the present invention.

Specific embodiment

In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention.But the present invention can be with Much it is different from other way described herein to implement, those skilled in the art can be without prejudice to intension of the present invention the case where Under do similar popularization, therefore the present invention is not limited to the specific embodiments disclosed below.

Secondly, the present invention is described in detail using schematic diagram, when describing the embodiments of the present invention, for purposes of illustration only, institute Stating schematic diagram is example, should not limit the scope of protection of the invention herein.

To make the above purposes, features and advantages of the invention more obvious and understandable, below in conjunction with attached drawing to the present invention Voice coil motor structure be described in detail.

With reference to Fig. 1, camera module of the invention includes shell mechanism 10, magnetic part 20, dust-proof soft connection knot Structure 300, and the lens barrel module 50 being set in shell mechanism 10；Shell mechanism 10 includes upper section shell mechanism 200 and lower section Shell mechanism 400；

A part of dust-proof soft connection structure 300 is connected to the outer wall of lens barrel module 50, and then is extended, and a part is even It is connected to shell mechanism 10(and is located at upper section shell mechanism 200 and lower 400 handover region of section housing joint)；The dust-proof soft company Binding structure, shell mechanism and lens barrel module form cavity；When the lens barrel block motion, dust-proof soft connection structure 300 It is moved with the coupling part (not marking) of lens barrel module with lens barrel module 50, prevents the different of extraneous influence mould group imaging performance Object enters cavity, and the foreign matter includes: water, oil, dust.

With continued reference to FIG. 1, shell mechanism 10 includes a upper bulge-structure 100 in Fig. 1, bulge-structure 100 exists on this When the mould group is assembled on mobile phone, it can be inserted into the aperture of cell phone rear cover plate；

Bulge-structure 100 increases the internal cavity of the shell mechanism 10 on this, convenient for assembling the dust-proof soft connection knot Structure 300.In one embodiment, the upper bulge-structure 100 of shell mechanism is the separate structure part an of upper circular, with shell Other structures part link together and constitute the shell mechanism.A ventilating structure 210 is contained in shell mechanism, is convenient for The flowing of lens module gas inside and outside shell mechanism when moving.

In one embodiment, in assembling process, the upper bulge-structure of shell mechanism is a circular separate structure part, With the structural member (above saving shell mechanism 200) of the ventilative notch 210 of a band in shell mechanism, assembly is integrated；It then will be dust-proof Soft connection structure a part it is Nian Jie with structural member (including upper section shell mechanism 200) with ventilative notch；Again with shell Structural member (including lower section shell mechanism 400) in structure with in-flanges structure assembles, and constitutes the shell knot of camera module Structure 10.

Wherein, shell mechanism 400 is saved under shell mechanism 10() in-flanges structure 11 of the inside with bending from bottom to top, line Circle 30 and magnetic part 20 are set in in-flanges structure 11, and the in-flanges structure 11 and magnetic part 20 form magnetic circuit, In-flanges structure 11 forms a part of mould group magnetic circuit, as shown in phantom in FIG..

It in camera module telescopic process, is powered in coil 30, electromagnetic force, line is generated between coil 30 and magnetic part 20 30 band moving lens barrel module 50 of circle moves, and adjusts image distance and object distance, clearly image is presented.

Since magnetic circuit surrounds coil 30 tightly, the electromagnetic force between intensifier coil 30 and magnetic part 20, To improve the automatic focusing function of voice coil motor structure, improve imaging performance.In addition, in-flanges structure 11 wraps coil 30 It encloses, magnetic resistance can be reduced, prevent coil 30 from falling off.

Preferably, in-flanges structure 11 is rigid structure, can be used for stablizing lens barrel module 50, lens barrel module 50 is avoided to incline Tiltedly.

In one embodiment, the benchmark assembled with the structural member for having in-flanges in shell mechanism as camera module.

In one embodiment, dust-proof soft connection structure be elastic material structure, can with lens barrel module movement into Row deformation.

In one embodiment, dust-proof soft connection structure forms an air bag, the air bag and dust-proof soft connection knot Structure, shell mechanism are connected to the cavity that lens barrel module is formed；

When the lens barrel module carries out retraction campaign, the dust-proof soft connection structure, shell mechanism and lens barrel module shape At cavity gas flow into the air bag of the soft connection structure；Internal and external pressure difference bring hinders when reducing lens barrel block motion Power；

When the lens barrel module carries out stretch out motion, the gas in soft connection structure air bag flows into the dust-proof soft company In the cavity that binding structure, shell mechanism and lens barrel module are formed；Internal and external pressure difference bring resistance when reducing lens barrel block motion.

In one embodiment, the dust-proof soft connection structure has ventilative performance, transports convenient for the lens module The flowing of gas and the balance of inner and outer air pressure inside and outside the cavity when dynamic.

As shown in Figure 1, Figure 2, Figure 3 shows, camera module of the invention further include: the bullet being folded upward on the inside of shell 10 Property clamp structure 40；The resilient clamp structure 40 clamps position of the lens barrel module 50 to keep lens barrel module 50.

In conclusion the camera module of invention, soft connection structure is arranged in the top of Yu Suoshu camera module, described Soft connection structure is located between the outer wall and shell of lens barrel module, and inside forms cavity, described soft when lens barrel block motion Property connection structure moved with lens barrel module, prevent the foreign matters such as extraneous water, oil, dust for influencing mould group imaging performance from entering Cavity, to improve the image quality of camera module；.

Although the invention has been described by way of example and in terms of the preferred embodiments, but it is not for limiting the present invention, any this field Technical staff without departing from the spirit and scope of the present invention, may be by the methods and technical content of the disclosure above to this hair Bright technical solution makes possible variation and modification, therefore, anything that does not depart from the technical scheme of the invention, and according to the present invention Technical spirit any simple modifications, equivalents, and modifications to the above embodiments, belong to technical solution of the present invention Protection scope.