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 front shell is used for bearing the lens; the rear shell is connected to the bottom of the front shell, and an accommodating cavity is formed by the front shell and the rear shell; the chip assembly is arranged in the accommodating cavity, is positioned under the lens and is used for receiving light rays from the lens and imaging; the dustproof piece is clamped between the front shell and the rear shell; and the driving piece is connected with the chip assembly 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 front shell for supporting the lens; a rear shell connected to the bottom of the front shell, and the front shell and the rear shell forming a 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 sandwiched between the front shell and the rear shell; and a driving component connected to the chip assembly and configured to drive the chip assembly to move along the optical axis of the lens.

[0005] More preferably, the camera module further includes a mounting shell disposed within the receiving cavity, the mounting shell being connected to the front shell, the mounting shell having a hollow structure in the middle, the chip assembly being located at the hollow section in the middle of the mounting shell, and the driving component being connected to the mounting shell.

[0006] More preferably, the chip assembly includes a photosensitive chip, a circuit board, and a carrier, wherein the photosensitive chip is disposed on the circuit board, and the circuit board and the carrier are fixed together by screws.

[0007] More preferably, the chip assembly further includes a guide post, which is fixedly connected to the mounting shell. A protrusion is provided on the outer side wall of the carrier, and a guide groove is formed on the protrusion. The guide post is slidably disposed in the guide groove.

[0008] More preferably, the driving component includes a deformable oscillator and a guide rail component. The guide rail component is fixedly connected to the mounting shell, and the deformable oscillator is fixedly connected to the carrier. 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.

[0009] More preferably, the driving component further includes an electrical connector, through which the deformable oscillator is electrically connected to the circuit board.

[0010] More preferably, the dustproof component is made of an elastic material.

[0011] More preferably, the dustproof component is a foam or silicone component.

[0012] More preferably, a through hole is provided on the rear shell, and a flexible coaxial cable is disposed in the through hole, the flexible coaxial cable being electrically connected to the circuit board.

[0013] More preferably, the through hole is filled with a sealant, and the flexible coaxial cable passes through the sealant to communicate with the outside.

[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 mounting housing and the front housing are separate structures, the driving component and the chip assembly are assembled with the mounting 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 photosensitive chip and the circuit board are fixedly installed through the carrier, which can improve the assembly convenience of the photosensitive chip; and the photosensitive chip is connected to the driving component through the carrier, avoiding collision damage to the photosensitive chip during assembly. 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;

[0018] Figure 4 A schematic diagram of the camera module from another perspective provided by this utility model. Detailed Implementation

[0019] 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.

[0020] 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.

[0021] 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.

[0022] Please see Figures 1-4 As shown in this specific embodiment, a camera module includes: a lens 10, a front shell 20, a rear shell 30, a chip assembly 40, a dustproof component 50, and a driving component 60. The front shell 20 supports the lens 10, and the rear shell 30 is connected to the bottom of the front shell 20, forming a receiving cavity 31. The chip assembly 40 is disposed within the receiving cavity 31 and located directly below the lens 10, for receiving light from the lens 10 and forming an image. The dustproof component 50 is sandwiched between the front shell 20 and the rear shell 30. The driving component 60 is connected to the chip assembly 40 and is configured to drive the chip assembly 40 to move along the optical axis of the lens 10, thereby achieving the focusing function of the chip assembly 40. The dustproof component 50 adopts a ring-shaped structure, avoiding the optical path of the lens 10, ensuring that light from the lens 10 can smoothly reach the chip assembly 40 for imaging. The chip assembly 40 achieves focusing through the driver 60, which improves the focusing stability of the camera module. Furthermore, by setting a dustproof component 50 between the housing and the chip assembly 40, dust is prevented from entering the chip assembly 40 during focusing, thereby improving the imaging stability of the camera module.

[0023] In one embodiment, the camera module further includes a mounting shell 70 disposed within the receiving cavity 31. The mounting shell 70 is connected to the front shell 20. The mounting shell 70 has a hollow structure in the middle, with the chip assembly 40 located in the hollow part of the mounting shell 70. The driving component 60 is connected to the mounting shell 70. It should be noted that the mounting shell 70 and the front shell 20 can be integrally formed or have separate structures. When the mounting shell 70 and the front shell 20 have separate structures, the mounting shell 70 and the front shell 20 can be connected by threads or adhesive, which is not limited here. Moreover, when the mounting shell 70 and the front shell 20 have separate structures, after assembling the driving component 60 and the chip assembly 40 with the mounting shell 70, they are then assembled and aligned with the front shell 20 and the dustproof component 50 to ensure the assembly accuracy of the chip assembly 40 and the lens 10, thereby improving the yield of the camera module.

[0024] In one embodiment, the chip assembly 40 includes a photosensitive chip 41, a circuit board 42, and a carrier 43. The photosensitive chip 41 is disposed on the circuit board 42, and the circuit board 42 and the carrier 43 are fixed together by screws. A driving component 60 is connected to the carrier 43. The photosensitive chip 41 and the circuit board 42 are fixedly mounted via the carrier 43, which improves the ease of assembly of the photosensitive chip 41. Furthermore, the connection between the photosensitive chip 41 and the driving component 60 via the carrier 43 prevents damage to the photosensitive chip 41 during assembly.

[0025] In one embodiment, the chip assembly 40 further includes a guide post 44, which is fixedly connected to the mounting housing 70. A protrusion 431 is provided on the outer wall of the carrier 43, and a guide groove 432 extending along the optical axis of the lens 10 is formed on the protrusion 431. The guide post 44 is slidably disposed within the guide groove 432. The guide post 44 and the guide groove 432 serve a guiding function to ensure the stability of the chip assembly 40 in the optical axis direction and improve focusing stability.

[0026] In one embodiment, the driving component 60 includes a deformable oscillator 61 and a guide rail 62. The guide rail 62 is fixedly connected to the mounting housing 70, and the deformable oscillator 61 is fixedly connected to the carrier 43. The guide rail 62 includes a guide rail that opens along the optical axis. The deformable oscillator 61 is located inside the guide rail and can move within the guide rail after being energized. It should be noted that the deformable oscillator 61 deforms after being energized, causing it to move within the guide rail of the guide rail 62. The guide rail opens along the optical axis of the lens 10, thereby driving the chip assembly 40 to move in the optical axis direction, thus achieving focusing of the chip assembly 40.

[0027] In one embodiment, the drive unit 60 further includes an electrical connector 63, through which the deformable oscillator 61 is electrically connected to the circuit board 42.

[0028] In one embodiment, the dustproof component 50 is made of an elastic material. The use of an elastic material in the dustproof component 50 reduces the impact of the dustproof component 50, sandwiched between the housing and the chip assembly 40, on the movement of the chip assembly 40 when it moves toward the lens 10, thus reducing the power consumption of the drive component 60. Simultaneously, the elastic material's deformation capability buffers vibrations that occur when the drive component 60 moves the chip assembly 40, ensuring stable movement of the chip assembly 40 and guaranteeing image stability during focusing.

[0029] In one embodiment, the dustproof component 50 is made of foam or silicone.

[0030] In one embodiment, a through hole 31 is provided on the rear cover 30, and a flexible coaxial cable 80 is provided in the through hole 31. The flexible coaxial cable 80 is electrically connected to the circuit board 42, that is, the circuit board 42 is electrically connected to the outside through the flexible coaxial cable 80.

[0031] In one embodiment, a seal 90 is filled inside the through hole 31, and a flexible coaxial cable 80 passes through the seal 90 to communicate with the outside. The seal 90 is placed inside the through hole 31 to prevent external dust from entering the camera module and affecting its imaging quality.

[0032] 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 camera module comprises: a lens; a front shell for carrying the lens; a rear shell connected to the bottom of the front shell, and the front shell and the rear shell form a receiving cavity; a chip assembly arranged in the receiving cavity and located directly below the lens for receiving light from the lens and imaging; a dustproof member clamped between the front shell and the rear shell; a driving member connected with the chip assembly 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 camera module further comprises a mounting shell arranged in the receiving cavity, the mounting shell is connected with the front shell, the mounting shell is a hollow structure in the middle, the chip assembly is located in the hollow part of the mounting shell, and the driving member is connected with the mounting shell.

3. The camera module of claim 2, wherein, The chip assembly comprises a photosensitive chip, a circuit board and a carrier, the photosensitive chip is arranged on the circuit board, the circuit board and the carrier are fixed by screws, and the driving member is connected with the carrier.

4. The camera module of claim 3, wherein, The chip assembly further comprises a guide column, the guide column is fixedly connected with the mounting shell, the outer side wall of the carrier is provided with a protrusion, a guide groove extending along the optical axis direction of the lens is formed in the protrusion, and the guide column is slidingly arranged in the guide groove.

5. The camera module of claim 4, wherein, The driving member comprises a deformed vibrator and a guide rail member, the guide rail member is fixedly connected with the mounting shell, the deformed vibrator is fixedly connected with the carrier, the guide rail member comprises a guide rail opening along the optical axis direction, the deformed vibrator is located in the guide rail, and the deformed vibrator can move in the guide rail after being electrified.

6. The camera module of claim 5, wherein, The driving member further comprises an electrical connection member, and the deformed vibrator is electrically connected with the circuit board through the electrical connection member.

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

8. The camera module of claim 7, wherein, The dustproof member is made of foam material or silica gel material.

9. The camera module of claim 6, wherein, A through hole is formed in the rear shell, a soft coaxial flat cable is arranged in the through hole, and the soft coaxial flat cable is electrically connected with the circuit board.

10. The camera module of claim 9, wherein, The through hole is filled with a sealing member, and the soft coaxial flat cable passes through the sealing member to be in communication with the outside.

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