Camera module

Abstract

The utility model relates to the technical field of camera shooting, in particular to a camera shooting module, which comprises a lens; the shell comprises a containing cavity, and the lens is installed on the shell and located above the containing cavity; the chip assembly is arranged in the accommodating cavity, is positioned right below the lens and is used for receiving light rays from the lens and imaging; the dustproof piece is of an annular structure, is clamped between the shell and the chip assembly and avoids the light path of the lens; and the driving piece is connected between the chip assembly and the shell and is arranged to drive the chip assembly to move along the optical axis direction of the lens. The chip assembly achieves focusing through the driving piece, the focusing stability of the camera module is improved, the dustproof piece is arranged between the shell and the chip assembly, dust is prevented from entering the chip assembly during focusing of the chip assembly, and the imaging stability of the camera module is improved.

Description

Technical Field

[0001] This utility model relates to the field of camera technology, specifically to a camera module. Background Technology

[0002] In recent years, camera modules have been used more and more widely in electronic products such as mobile phones, computers, surveillance, and aerial photography. As these products are used more and more widely, the image processing industry, especially the camera module manufacturing industry, has developed rapidly. Therefore, improving the stability of camera modules is the current trend of industry development.

[0003] In existing camera modules, lens focusing is mainly achieved by moving the lens along the optical axis. However, due to the large size and heavy weight of the lens, the drive becomes unstable, which in turn affects the imaging stability of the camera module. Furthermore, due to the influence of the environment in which the camera module is used, the image sensor used for imaging is affected by dust, resulting in unclear images and further affecting the imaging stability of the camera module. Utility Model Content

[0004] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art. This utility model provides a camera module, including: a lens; a housing, including a receiving cavity, the lens being mounted on the housing and located above the receiving cavity; a chip assembly, disposed in the receiving cavity and located directly below the lens, for receiving light from the lens and forming an image; a dustproof component, which is an annular structure, sandwiched between the housing and the chip assembly, and avoiding the optical path of the lens; and a driving component, connected between the chip assembly and the housing, and configured to drive the chip assembly to move along the optical axis of the lens.

[0005] More preferably, the housing includes a front housing and a rear housing, the rear housing is connected to the bottom of the front housing, the lens is mounted on the front housing, the rear housing forms the receiving cavity, and the driving member is connected to the rear housing.

[0006] More preferably, the rear shell is an annular structure with openings at both ends.

[0007] More preferably, the chip assembly includes a photosensitive chip, a circuit board, and a carrier. The photosensitive chip is disposed on the circuit board, the circuit board is fixed to the carrier by screws, and the carrier is connected to the driving component.

[0008] More preferably, the dustproof component is disposed on the circuit board and located outside the photosensitive chip.

[0009] More preferably, the chip assembly further includes a guide post, which is fixedly connected to the housing. A protrusion is provided on the outer wall of the carrier, and a guide groove extending along the optical axis of the lens is formed on the protrusion. The guide post is slidably disposed in the guide groove.

[0010] More preferably, the driving component includes a deformable oscillator and a guide rail component. The guide rail component is fixedly connected to the housing, and the deformable oscillator is fixedly connected to the chip assembly. The guide rail component includes a guide rail with an opening along the optical axis direction. The deformable oscillator is located inside the guide rail, and the deformable oscillator can move inside the guide rail after being energized.

[0011] More preferably, the driving component further includes an electrical connector connected to the deformable oscillator, the electrical connector being used to conduct electricity to the deformable oscillator.

[0012] More preferably, the dustproof component is made of an elastic material.

[0013] More preferably, the dustproof component is a foam or silicone component.

[0014] Compared with the prior art, the present invention has the following beneficial effects: (1) The chip assembly achieves focusing through the driving component, which improves the focusing stability of the camera module. In addition, by setting a dustproof component between the housing and the chip assembly, dust is prevented from entering the chip assembly during focusing, thereby improving the imaging stability of the camera module. (2) When the front housing and the rear housing are separate structures, the driving component and the chip assembly are assembled with the rear housing, and then assembled and aligned with the front housing and the dustproof component to ensure the assembly accuracy of the chip assembly and the lens, thereby improving the yield of the camera module. (3) The rear housing adopts a hollow ring structure, which makes it easy to observe the position of the chip assembly and the driving component during assembly, thereby improving the assembly accuracy of the chip assembly. In addition, the hollow structure can reduce the weight of the camera module, so that the camera module meets the requirements of lightweight design. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the camera module provided by this utility model;

[0016] Figure 2 This is a partial structural schematic diagram of the camera module provided by this utility model;

[0017] Figure 3 A schematic diagram of the structure of the driving component provided by this utility model. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0019] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0021] Please see Figures 1-3 As shown in this specific embodiment, a camera module includes: a lens 10, a housing 20, a chip assembly 30, a dustproof component 40, and a driving component 50. The housing 20 includes a receiving cavity 23, and the lens 10 is mounted on the housing 20 and located above the receiving cavity 23. The chip assembly 30 is disposed within the receiving cavity 23 and directly below the lens 10, for receiving light from the lens 10 and forming an image. The dustproof component 40 is an annular structure sandwiched between the housing 20 and the chip assembly 30, and avoids the optical path of the lens 10. The driving component 50 is connected between the chip assembly 30 and the housing 20, and is configured to drive the chip assembly 30 to move along the optical axis of the lens 10. It is understood that the dustproof component 40 adopts an annular structure to avoid the optical path of the lens 10, ensuring that light from the lens 10 can smoothly reach the chip assembly 30 for imaging. The chip assembly 30 achieves focusing through the driver 50, which improves the focusing stability of the camera module. Furthermore, by setting a dustproof component 40 between the housing 20 and the chip assembly 30, dust is prevented from entering the chip assembly 30 during focusing, thereby improving the imaging stability of the camera module.

[0022] In one embodiment, the housing 20 includes a front housing 21 and a rear housing 22. The rear housing 22 is connected to the bottom of the front housing 21, and the lens 10 is mounted on the front housing 21. The rear housing 22 forms a receiving cavity 23, and the driving member 50 is connected to the rear housing 22. It should be noted that the front housing 21 and the rear housing 22 can be integrally formed or have a separate structure. When the front housing 21 and the rear housing 22 have a separate structure, the front housing 21 and the rear housing 22 can be connected by threads or adhesive, which is not limited here. Preferably, when the front housing 21 and the rear housing 22 have a separate structure, after assembling the driving member 50 and the chip assembly 30 with the rear housing 22, they are assembled and aligned with the front housing 21 and the dustproof member 40 to ensure the assembly accuracy of the chip assembly 30 and the lens 10, thereby improving the yield of the camera module.

[0023] In one embodiment, the back cover 22 is an annular structure with openings at both ends. The hollowed-out annular structure of the back cover 22 facilitates timely observation of the positional relationship between the chip assembly 30 and the driver 50 during assembly, improving the assembly accuracy of the chip assembly 30. Furthermore, the hollowed-out structure reduces the weight of the camera module, enabling it to meet lightweight design requirements.

[0024] In one embodiment, the chip assembly 30 includes a photosensitive chip 31, a circuit board 32, and a carrier 33. The photosensitive chip 31 is disposed on the circuit board 32, and the circuit board 32 and the carrier 33 are fixed together by screws. The carrier 33 is connected to the driver 50. The photosensitive chip 31 and the circuit board 32 are fixedly mounted via the carrier 33, which improves the ease of assembly of the photosensitive chip 31. Furthermore, the connection between the photosensitive chip 31 and the driver 50 via the carrier 33 prevents damage to the photosensitive chip 31 during assembly.

[0025] In one embodiment, the dustproof component 40 is disposed on the circuit board 32 and located outside the photosensitive chip 31 to prevent the dustproof component 40 from affecting the imaging of the photosensitive chip 31. Furthermore, its proximity to the photosensitive chip 31 can reduce the amount of dustproof component 40 used and lower the cost of the camera module.

[0026] In one embodiment, the chip assembly 30 further includes a guide post 34, which is fixedly connected to the housing 20. A protrusion 331 is provided on the outer wall of the carrier 33, and a guide groove 332 extending along the optical axis of the lens 10 is formed on the protrusion 331. The guide post 34 is slidably disposed in the guide groove 332. The guide post 34 and the guide groove 332 play a guiding role, ensuring the stability of the chip assembly 30 in the optical axis direction and improving the focusing effect.

[0027] In one embodiment, the driving component 50 includes a deformable oscillator 51 and a guide rail 52. The guide rail 52 is fixedly connected to the housing 20, and the deformable oscillator 51 is fixedly connected to the chip assembly 30. The guide rail 52 includes a guide rail that opens along the optical axis. The deformable oscillator 51 is located inside the guide rail and can move within the guide rail after being energized. It should be noted that the deformable oscillator 51 deforms after being energized, causing it to move within the guide rail of the guide rail 52. Since the guide rail is open along the optical axis, it drives the chip assembly 30 to move in the optical axis direction, thereby achieving focusing of the chip assembly 30.

[0028] In one embodiment, the drive unit 50 further includes an electrical connector 53 connected to the deformable oscillator 51, the electrical connector 53 being used to conduct electricity to the deformable oscillator 51.

[0029] In one embodiment, the dustproof component 40 is made of an elastic material. The use of an elastic material in the dustproof component 40 reduces the impact of the dustproof component 40, which is sandwiched between the housing 20 and the chip assembly 30, on the movement of the chip assembly 30 when it moves toward the lens 10, thus reducing the power consumption of the drive component 50. Simultaneously, due to its deformation capability, the elastic material can buffer the vibrations that occur when the drive component 50 moves the chip assembly 30, ensuring stable movement of the chip assembly 30 and guaranteeing image stability during focusing.

[0030] In one embodiment, the dustproof component 40 is a foam or silicone component.

[0031] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model based on the technical solution and its improved concept should be covered within the protection scope of the present utility model.

Claims

1. An image capturing module, comprising: The utility model relates to a camera lens module, comprising: a lens; a housing including a receiving cavity, the lens being mounted on the housing and located above the receiving cavity; a chip assembly disposed in the receiving cavity and located directly below the lens for receiving light from the lens and imaging; a dustproof member being a ring structure, sandwiched between the housing and the chip assembly, and avoiding the light path of the lens; a driving member connected between the chip assembly and the housing, and arranged to drive the chip assembly to move along the optical axis direction of the lens.

2. The camera module of claim 1, wherein, The housing includes a front shell and a rear shell, the rear shell being connected to the bottom of the front shell, the lens being mounted on the front shell, the rear shell forming the receiving cavity, and the driving member being connected with the rear shell.

3. The camera module of claim 2, wherein, The rear shell is a ring structure with both ends open.

4. The camera module of claim 1, wherein, The chip assembly includes a photosensitive chip, a circuit board and a carrier, the photosensitive chip being disposed on the circuit board, the circuit board being fixed with the carrier by screws, and the carrier being connected with the driving member.

5. The camera module of claim 4, wherein, The dustproof member is disposed on the circuit board and located outside the photosensitive chip.

6. The camera module of claim 5, wherein, The chip assembly further includes a guide column, the guide column being fixedly connected with the housing, the outer wall of the carrier being provided with a protrusion, a guide groove extending along the optical axis direction of the lens being formed on the protrusion, and the guide column being slidingly disposed in the guide groove.

7. The camera module of claim 1, wherein, The driving member includes a deformed vibrator and a guide rail member, the guide rail member being fixedly connected with the housing, the deformed vibrator being fixedly connected with the chip assembly, the guide rail member including a guide rail opening along the optical axis direction, the deformed vibrator being located in the guide rail, and the deformed vibrator being movable in the guide rail after being electrified.

8. The camera module of claim 7, wherein, The driving member further includes an electrical connecting member, the electrical connecting member being connected with the deformed vibrator, and the electrical connecting member being used for conducting electricity to the deformed vibrator.

9. The camera module of claim 1, wherein, The dustproof member is made of elastic material.

10. The camera module of claim 1, wherein, The dustproof member is made of foam or silica gel.

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