CN220629463U

CN220629463U - Dual-lens camera module structure sharing image sensor

Info

Publication number: CN220629463U
Application number: CN202322289285.2U
Authority: CN
Inventors: 沙正峰
Original assignee: Kunshanqiu Titanium Photoelectric Technology Co Ltd
Current assignee: Kunshanqiu Titanium Photoelectric Technology Co Ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-03-19
Anticipated expiration: 2033-08-24

Abstract

The application provides a dual-lens camera module structure of sharing image sensor, include: a housing, a first lens, a second lens, a reflecting prism, a first prism, a second prism, and an image sensor; the shell is provided with an inner cavity, two sides of the upper end surface of the shell are provided with through holes, and the through holes are communicated with the inner cavity; the first lens and the second lens are respectively arranged at the two through holes; the first prism and the second prism are arranged in the inner cavity at intervals, the first prism is positioned below the first lens, and the second prism is positioned below the second lens; the light reflecting prism is movably arranged in the inner cavity and is positioned between the first prism and the second prism; the image sensor is arranged at the bottom surface of the inner cavity and is positioned below the reflecting prism; the space occupation rate of the camera module to the mobile phone can be reduced, so that the miniaturized design is realized; simultaneously, when guaranteeing the function of making a video recording, but optimizing structure sets up, reduction in production cost, and the camera module structure of this application easy to assemble and dismantlement.

Description

Dual-lens camera module structure sharing image sensor

Technical Field

The utility model relates to the technical field of camera modules, in particular to a double-lens camera module structure sharing an image sensor.

Background

At present, a plurality of cameras are often used in the rear camera of the mobile phone, wherein most of the cameras comprise a main camera, a wide-angle camera, a long-focus camera, a micro-distance camera, a depth camera and the like, each camera corresponds to a camera function, a plurality of cameras with different functions are placed on the mobile phone, so that the use of a user in different scenes can be met, but as the number of the cameras is increased, the space of the mobile phone is greatly required, more space is occupied, the structure of the mobile phone is required to be correspondingly adjusted, the structure of the mobile phone is large, the weight is high, the production cost of the mobile phone is correspondingly increased, and in addition, the cameras are required to be installed on the mobile phone one by one, so that the cost is long, and the installation is also troublesome.

Therefore, there is a need to provide a technical solution that can optimize the camera module structure and ensure the camera function while reducing the space occupation rate of the mobile phone and can improve the installation convenience.

Disclosure of Invention

The utility model provides a double-lens camera module structure sharing an image sensor, which aims to solve the problems of large structure, high cost and troublesome installation of a mobile phone caused by a large occupied space when a plurality of camera modules are assembled on the mobile phone in the prior art.

The technical scheme adopted by the utility model is as follows: a dual-lens camera module structure sharing an image sensor, comprising: a housing, a first lens, a second lens, a reflecting prism, a first prism, a second prism, and an image sensor; the shell is provided with an inner cavity, two sides of the upper end face of the shell are provided with through holes, and the through holes are communicated with the inner cavity; the first lens and the second lens are respectively arranged at the two through holes; the first prism and the second prism are installed in the inner cavity at intervals, the first prism is positioned below the first lens, and the second prism is positioned below the second lens; the light reflecting prism is movably arranged in the inner cavity, and the light reflecting prism is positioned between the first prism and the second prism; the image sensor is arranged at the bottom surface of the inner cavity and is positioned below the reflecting prism;

the first prism can reflect the light rays projected by the first lens to the reflecting prism, and the reflecting prism reflects the light rays again to reflect the light rays to the image sensor; the second prism can reflect the light rays projected by the second lens to the reflecting prism, and the reflecting prism reflects the light rays again to reflect the light rays to the image sensor.

In an embodiment, when the reflecting prism moves to the side edge of the second prism and contacts with the second prism in a fitting way, the through hole at the second lens can be blocked, and the image sensor only receives the light projected by the first lens;

when the reflecting prism moves to the side edge of the first prism and contacts with the first prism in a fitting way, the through hole at the first lens can be shielded, and the image sensor only receives the light projected by the second lens;

when the reflecting prism moves to the middle of the first prism and the second prism, the image sensor can simultaneously receive the light projected by the first lens and the second lens.

In an embodiment, a first inclined surface is disposed on a side of the first prism facing the light reflecting prism, a first reflecting surface is disposed on a side of the light reflecting prism facing the first prism, and the first inclined surface is used for reflecting the light projected by the first lens to the first reflecting surface, and the first reflecting surface reflects the light again to reflect the light into the image sensor;

the second inclined surface is used for reflecting the light projected by the second lens to the second reflecting surface and reflecting the light again by the second reflecting surface so as to reflect the light into the image sensor.

In one embodiment, a prism support is movably arranged in the inner cavity of the shell, and the reflecting prism is arranged on the prism support; the side of the prism support is provided with a magnetic block, the side wall of the inner cavity of the shell is provided with a coil, the coil corresponds to the magnetic block, and when the coil is electrified, a magnetic field generated by the coil interacts with a magnetic field of the magnetic block so as to drive the prism support and the reflecting prism on the prism support to move together.

In an embodiment, a plurality of first sliding grooves are formed in the inner cavity of the shell, a plurality of second sliding grooves are formed in the prism support, the first sliding grooves and the second sliding grooves are arranged in one-to-one correspondence, and balls are arranged between the first sliding grooves and the second sliding grooves corresponding to each other, so that the prism support can be movably arranged in the inner cavity.

In an embodiment, the top surface and the bottom surface of the inner cavity are both provided with the first sliding grooves, the upper end surface and the lower end surface of the prism support are both provided with the second sliding grooves, the first sliding grooves on the top surface of the inner cavity are in one-to-one correspondence with the second sliding grooves on the upper end surface of the prism support, and the first sliding grooves on the bottom surface of the inner cavity are in one-to-one correspondence with the second sliding grooves on the lower end surface of the prism support.

In an embodiment, the flexible printed circuit board further comprises an FPC board; the FPC board is arranged at the bottom surface of the inner cavity, the image sensor is arranged at the upper end surface of the FPC board, and the FPC board is electrically connected with the image sensor; and a part of structure of the FPC board can be bent on the side wall of the inner cavity, and the coil is arranged at the bending structure of the FPC board and is electrically connected with the coil.

In an embodiment, a chip is arranged on the FPC board, the chip is a position sensor chip, the position sensor chip is arranged at the bending structure of the FPC board and is located at the middle position of the coil, and the position sensor chip is electrically connected with the FPC board.

In an embodiment, a glue layer is disposed between the FPC board and the housing, and the glue layer is used for connecting and fixing the FPC board and the housing.

In one embodiment, an optical filter is disposed in the through hole, and the optical filter is used for filtering stray light.

The beneficial effects of the utility model are as follows:

the application provides a camera module structure, include: a housing, a first lens, a second lens, a reflecting prism, a first prism, a second prism, and an image sensor; the shell is provided with an inner cavity, two sides of the upper end surface of the shell are provided with through holes, and the through holes are communicated with the inner cavity; the first lens and the second lens are respectively arranged at the two through holes; the first prism and the second prism are arranged in the inner cavity at intervals, the first prism is positioned below the first lens, and the second prism is positioned below the second lens; the light reflecting prism is movably arranged in the inner cavity and is positioned between the first prism and the second prism; the image sensor is arranged at the bottom surface of the inner cavity and is positioned below the reflecting prism; the first prism can reflect the light rays projected by the first lens to the reflecting prism, and the reflecting prism reflects the light rays again to reflect the light rays to the image sensor; the second prism can reflect the light rays projected by the second lens to the reflecting prism, and the reflecting prism reflects the light rays again to reflect the light rays to the image sensor; therefore, in the application, two lenses can be assembled in one camera module structure, and the two lenses respectively correspond to different camera functions, so that the functions equivalent to the two camera modules are realized in one camera module, the number of rear cameras of the mobile phone can be correspondingly reduced, the space occupation rate of the camera module to the mobile phone is reduced, and the miniaturization design is realized; meanwhile, in the application, the two lenses share one image sensor, so that the structure setting can be optimized while the shooting function is ensured, and parts are correspondingly reduced, so that the production cost is reduced; in addition, the camera module of this application can realize being equivalent to the function of two camera modules to this realization is with camera module integrated design, easy to assemble and dismantlement.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is an exploded view of an embodiment of the present utility model;

FIG. 3 is a schematic view of a prism frame and a reflective prism according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a coil, a magnetic block and an FPC board according to an embodiment of the present utility model.

The drawings are marked with the following description: 1. a first lens; 2. a second lens; 3. a housing; 30. an upper case; 31. a through hole; 32. a module support; 33. a first chute; 34. an inner cavity; 4. a light reflecting prism; 41. a first reflecting surface; 42. a second reflecting surface; 5. an image sensor; 6. a first prism; 61. a first inclined surface; 7. a second prism; 71. a second inclined surface; 8. an optical path; 9. an FPC board; 91. bending positions; 10. a coil; 11. a chip; 12. a ball; 13. a prism support; 14. a second chute; 15. a magnetic block.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

Referring to fig. 1-4, fig. 1 shows a schematic structural diagram of a camera module structure according to the present embodiment, wherein an arrow is shown as an optical path 8, i.e. a projection path of light, and a dotted line is shown as a representation of a reflecting prism 4 at different positions and the optical path 8 at the positions; fig. 2 shows an exploded view of the camera module structure of the present embodiment, in which the first lens 1, the second lens 2, and the FPC board 9 are not shown; fig. 3 shows a schematic view of the structure of the reflecting prism 4 of the present embodiment mounted on the prism support 13; fig. 4 shows a schematic structure of the coil 10 and the chip 11 of the present embodiment disposed on the FPC board 9.

The dual-lens camera module structure for sharing an image sensor provided in this embodiment includes: a housing 3, a first lens 1, a second lens 2, a reflecting prism 4, a first prism 6, a second prism 7, and an image sensor 5; the shell 3 is provided with an inner cavity 34, through holes 31 are formed in two sides of the upper end face of the shell 3, and the through holes 31 are communicated with the inner cavity 34; the first lens 1 and the second lens 2 are mounted at the two through holes 31, respectively; the first prism 6 and the second prism 7 are installed in the inner cavity 34 of the shell 3 at intervals, the first prism 6 is positioned below the first lens 1, and the second prism 7 is positioned below the second lens 2; the reflecting prism 4 is movably arranged in the inner cavity 34, and the reflecting prism 4 is positioned between the first prism 6 and the second prism 7; the image sensor 5 is installed at the bottom surface of the inner cavity 34 and is positioned below the reflecting prism 4; the first prism 6 can reflect the light rays projected by the first lens 1 onto the reflecting prism 4, and the reflecting prism 4 reflects the light rays again to reflect the light rays into the image sensor 5; the second prism 7 can reflect the light rays projected by the second lens 2 to the reflecting prism 4, and the reflecting prism 4 reflects the light rays again to reflect the light rays into the image sensor 5; therefore, in the application, two lenses can be assembled in one camera module structure, and the two lenses respectively correspond to different camera functions, so that the functions equivalent to the two camera modules are realized in one camera module, the number of rear cameras of the mobile phone can be correspondingly reduced, the space occupation rate of the camera module to the mobile phone is reduced, and the miniaturization design is realized; meanwhile, in the application, the two lenses share the image sensor 5, so that the structure setting can be optimized while the shooting function is ensured, and parts are correspondingly reduced, so that the production cost is reduced; in addition, the camera module of this application can realize being equivalent to the function of two camera modules to this realization is with camera module integrated design, easy to assemble and dismantlement.

Specifically, the housing 3 includes an upper shell 30 and a module support 32, the upper shell 30 is of a hollow rectangular structure, an opening is formed below the upper shell, meanwhile, two sides of the upper end surface of the upper shell 30 are provided with a through hole 31, the through hole 31 is communicated with the inner space of the upper shell 30, and the module support 32 is of a hollow rectangular structure, and an opening is formed above the module support 32; the upper shell 30 can be sleeved outside the module support 32, and a space enclosed between the upper shell 30 and the module support 32 is an inner cavity 34; the first lens 1 and the second lens 2 are mounted on the upper end surface of the upper case 30 and are respectively positioned on one through hole 31; in this embodiment, the cross-sectional shapes of the first prism 6 and the second prism 7 are triangular, and the first prism 6 and the second prism 7 are respectively installed at two sides of the inner cavity 34 and respectively located below the first lens 1 and the second lens 2, wherein the first prism 6 and the second prism 7 are specifically installed on the side wall of the module bracket 32, and can be adhered and fixed at the side wall through glue, that is, are respectively installed at the left side and the right side of the module bracket 32; and the cross-sectional shape of the reflecting prism 4 is isosceles triangle, the reflecting prism 4 is movably installed in the housing 3 for reflecting the light reflected by the first prism 6 and the second prism 7 into the image sensor 5 again, and the image sensor 5 is disposed at the inner bottom surface of the module bracket 32.

Further, referring to fig. 1-2, the reflecting prism 4 can move in the inner cavity 34, when the reflecting prism 4 moves to the side of the second prism 7 and contacts with the second prism 7, the through hole 31 at the second lens 2 can be blocked, and at this time, the light at the second lens 2 cannot be projected to the second prism 7 through the through hole 31, so that the image sensor 5 only receives the light projected by the first lens 1; when the reflecting prism 4 moves to the side of the first prism 6 and contacts with the first prism 6 in a fitting way, the through hole 31 at the first lens 1 can be blocked, and at the moment, the light at the first lens 1 cannot be projected to the first prism 6 through the through hole 31, so that the image sensor 5 only receives the light projected by the second lens 2; when the reflecting prism 4 moves to the middle of the first prism 6 and the second prism 7, the reflecting prism 4 does not shade the through holes 31 of the first lens 1 and the second lens 2, so that the image sensor 5 can simultaneously receive the light projected by the first lens 1 and the second lens 2.

In this embodiment, the reflecting prism 4 is moved to different positions, so that the first lens 1 is used alone, the second lens 2 is used alone, or the first lens 1 and the second lens 2 are used simultaneously, so that the reflecting prism can be switched to cameras with different functions according to actual situations, and different imaging requirements can be met.

Further, referring to fig. 1-2, a first inclined surface 61 is disposed on a side of the first prism 6 facing the light reflecting prism 4, a first reflecting surface 41 is disposed on a side of the light reflecting prism 4 facing the first prism 6, the first inclined surface 61 and the first reflecting surface 41 have the same inclination angle, and the first inclined surface 61 and the first reflecting surface 41 are in parallel relation, so that when the light reflecting prism 4 moves to the first prism 6, the first reflecting surface 41 can be attached to the first inclined surface 61; meanwhile, the first inclined surface 61 is located right below the first lens 1, and may reflect light projected from the first lens 1 to the first reflecting surface 41, and then reflect the light again by the first reflecting surface 41 to reflect the light into the image sensor 5;

the second inclined surface 71 is disposed on the side of the second prism 7 facing the light reflecting prism 4, the second reflecting surface 42 is disposed on the side of the light reflecting prism 4 facing the second prism 7, the inclination angles of the second inclined surface 71 and the second reflecting surface 42 are the same, and the second inclined surface 71 and the second reflecting surface 42 are in parallel relation, so that the second reflecting surface 42 can be attached to the second inclined surface 71 when the light reflecting prism 4 moves to the second prism 7; meanwhile, the second inclined surface 71 is located right under the second lens 2, and may reflect light projected from the second lens 2 to the second reflecting surface 42, and then reflect the light again by the second reflecting surface 42 to reflect the light into the image sensor 5.

Further, referring to fig. 1 to 3, a prism support 13 is movably disposed in the inner cavity 34 of the housing 3, and the light reflecting prism 4 is mounted on the prism support 13; the side of the prism support 13 is provided with a magnetic block 15, the side wall of the inner cavity 34 of the shell 3 is provided with a coil 10, and the coil 10 corresponds to the magnetic block 15; when the coil 10 is energized, the magnetic field generated by the coil 10 interacts with the magnetic field of the magnet 15, so that the prism support 13 and the reflecting prism 4 thereon are driven to move together, thereby moving the reflecting prism 4 to the corresponding position.

Further, referring to fig. 1-2, a plurality of first sliding grooves 33 are disposed in an inner cavity 34 of the housing 3, a plurality of second sliding grooves 14 are disposed on the prism support 13, the first sliding grooves 33 and the second sliding grooves 14 are disposed in one-to-one correspondence, and balls 12 are disposed between each corresponding first sliding groove 33 and second sliding groove 14, so that the prism support 13 is slidably disposed in the inner cavity 34, and when the coil 10 and the magnet 15 are matched, the prism support 13 and the reflective prism 4 thereon can be driven to move together. Specifically, the two sides of the top surface and the two sides of the bottom surface of the inner cavity 34 are respectively provided with a first chute 33, that is, the two sides of the inner top surface of the upper shell 30 are respectively provided with a first chute 33 (the first chute 33 in the upper shell 30 is not shown in the figure), and the two sides of the inner bottom surface of the module support 32 are respectively provided with a first chute 33, so that the prism support 13 and the reflecting prism 4 thereon do not interfere with and collide with the coil 10 on the side wall of the inner cavity 34 in the process of moving together; in this embodiment, the prism support 13 has a -shaped structure rotated 90 degrees clockwise, the light reflecting prism 4 is mounted on the top plate of the prism support 13 and located between two supporting legs, and specifically, the light reflecting prism 4 can be fixed on the top plate of the prism support 13 through glue (see fig. 3), and both sides of the upper end surface of the prism support 13 and the bottom surfaces of the two supporting legs are provided with second sliding grooves 14; the first sliding grooves 33 at the top surface of the upper shell 30 are in one-to-one correspondence with the second sliding grooves 14 at the upper end surface of the prism support 13, the balls 12 are installed, the first sliding grooves 33 at the bottom surface of the module support 32 are in one-to-one correspondence with the second sliding grooves 14 at the lower end surface of the prism support 13, and the balls 12 are installed, so that the balls 12 are arranged in a plurality of directions of the prism support 13, namely, up, down, left and right, to be connected and supported, thereby reducing the contact friction force between the prism support 13 and the shell 3, facilitating the movement of the prism support 13 and the reflecting prism 4, and providing a plurality of supporting points for the prism support 13 to be stably arranged and stably moved.

Further, referring to fig. 1, 2 and 4, a dual-lens camera module structure for sharing an image sensor further includes an FPC board 9; the FPC board 9 is arranged at the bottom surface of the inner cavity 34, the image sensor 5 is arranged at the upper end surface of the FPC board 9, and the FPC board 9 is electrically connected with the image sensor 5; a part of the structure of the FPC board 9 can be bent on the side wall of the inner cavity 34, at which bent structure the FPC board 9 mounts the coil 10 and is electrically connected with the coil 10. Specifically, the FPC board 9 is connected to an external power supply, so as to supply power to each component; the FPC board 9 is disposed at the inner bottom surface of the module support 32, the image sensor 5 is fixed at the upper end surface of the FPC board 9 in a welding manner, and the electric connection between the two is realized through gold wires, meanwhile, a part of the structure of the FPC board 9 can be bent on the side wall of the inner cavity 34, particularly at the bending position 91 (see fig. 4), the structure after bending can be attached to the inner wall of the module support 32, the coil 10 is mounted at the inner wall and the electric connection between the two is realized, wherein the coil 10 is powered through the FPC, so that the coil 10 and the magnetic block 15 are matched to work, and the prism support 13 and the reflecting prism 4 are driven to move.

It should be noted that, the light reflecting prism 4 is installed in the inner cavity 34 through the prism support 13, and the light reflecting prism 4 has a certain distance from the bottom surface of the inner cavity 34, and the image sensor 5 and the FPC board 9 are installed at the bottom surface of the inner cavity 34, so that a certain space is left among the image sensor 5, the FPC board 9 and the light reflecting prism 4 during design, and the movement of the light reflecting prism 4 is not affected. Meanwhile, the prism support 13 is supported at the bottom surface of the inner cavity 34 through the balls 12, so that a certain gap is formed between the prism support 13 and the bottom surface of the inner cavity 34, and the gap can be used for the FPC board 9 to pass through and bend to the side edge of the module support 32, so that the movement of the prism support 13 is not influenced by the FPC board 9, and the image sensor 5 is arranged in the middle of the bottom surface of the inner cavity 34 and is not contacted with the prism support 13, and the movement of the prism support 13 is not influenced; in addition, the first sliding grooves 33 on the bottom surface of the inner cavity 34 are arranged at intervals (see fig. 2), so that the FPC board 9 can pass through the interval space between the first sliding grooves 33 and bend to the side of the module bracket 32, and the FPC board 9 can not be blocked on the first sliding grooves 33, and the sliding of the balls 12 is not affected.

Of course, in other embodiments, the installation position of the FPC board 9 may be adjusted according to practical situations, such as: the FPC board 9 may be disposed at the lower end surface of the housing 3, and then the FPC board 9 is electrically connected to the image sensor 5 by being perforated at the bottom of the housing 3, while the FPC board 9 is bent to the side of the housing 3, and then perforated at the side wall of the housing 3, so that the coil 10 may be mounted on the bent structure and electrically connected thereto; and this mounting of the FPC board 9 does not need to take into account whether the movement of the prism holder 13 and the light reflecting prism 4 is affected.

In addition, it should be noted that the prism support 13 and the coil 10 are not in contact with each other, so as to prevent the coil 13 from affecting the movement of the prism support 13, wherein a groove may be provided on the side wall of the module support 32, so that the FPC board 9 and the coil 13 are accommodated and mounted in the groove together, and the coil 10 and the prism support 13 are kept at a distance therebetween, so as to prevent the coil 10 from contacting and colliding with the prism support 13; of course, in other embodiments, other assembly means may be provided as well for preventing the coil 10 from contacting the prism support 13, such as: it is possible to have a gap between the prism holder 13 and the side wall of the module holder 32, and the gap can accommodate the mounting of the coil 10 and the FPC board 9, and ensure that the prism holder 13 does not collide with the coil 10. Therefore, the specific assembly mode can be selected according to the actual situation, and the normal use of each part can be ensured and the corresponding effect can be achieved.

Further, referring to fig. 2 and 4, a chip 11 is disposed on the FPC board 9, the chip 11 is disposed at a bending structure of the FPC board 9 and is located in the middle of the coil 10, and the chip 11 is electrically connected with the FPC board 9, unlike the image sensor 5, the chip 11 is a position sensor chip, such as a hall displacement sensor, and is mainly used for detecting the moving positions of the prism support 13 and the light reflecting prism 4, so as to regulate and control the positions of the prism support 13 and the light reflecting prism 4, specifically, the chip 11 is used for detecting and obtaining the displacement values of the prism support 13 and the light reflecting prism 4, that is, the side edge of the prism support 13 is provided with a magnetic block 15, and then the chip 11 is used for sending signals to the FPC board 9 to control the power on and off of the coil 10 according to the displacement values, so as to control the moving positions of the prism support 13 and the light reflecting prism 4 and accurately move to the corresponding positions.

In another embodiment, the FPC board 9 is formed by splicing two FPCs, specifically, two FPCs are welded at 90 ° so that one FPC can be placed at the bottom surface of the inner cavity 34 and connected with the image sensor 5, and the other FPC is attached to the side wall of the inner cavity 34 and is provided with the coil 10 and the chip 11, therefore, by arranging two FPCs, the image sensor 5 for photographing and the chip 11 for driving the reflecting prism 4 to move are separately and independently arranged, and the work between the chip 11 and the image sensor 5 is ensured not to be affected.

Further, a glue layer is arranged between the FPC board 9 and the housing 3, the FPC board 9 is fixed on the housing 3 through the glue layer, and the FPC board 9 is kept stable in shape after being bent.

Further, a filter (not shown) for filtering stray light is provided in the through hole 31.

Compared with the prior art: the application provides a camera module structure, include: a housing 3, a first lens 1, a second lens 2, a reflecting prism 4, a first prism 6, a second prism 7, and an image sensor 5; the shell 3 is provided with an inner cavity 34, two sides of the upper end surface of the shell 3 are provided with a through hole 31, and the through hole 31 is communicated with the inner cavity 34; the first lens 1 and the second lens 2 are mounted at the two through holes 31, respectively; the first prism 6 and the second prism 7 are installed in the inner cavity 34 at intervals, the first prism 6 is positioned below the first lens 1, and the second prism 7 is positioned below the second lens 2; the reflecting prism 4 is movably arranged in the inner cavity 34, and the reflecting prism 4 is positioned between the first prism 6 and the second prism 7; the image sensor 5 is installed at the bottom surface of the inner cavity 34 and is positioned below the reflecting prism 4; when the first lens 1 of the camera module works, the first lens 1 converges and transmits light of an observed object to a filter below, the light is filtered at the filter, then the light is projected to a first inclined surface 61 of the first prism 6 after passing through the filter, the light is reflected at the first inclined surface 61 and is reflected to a first reflecting surface 41 of the reflecting prism 4, the light is reflected again at the first reflecting surface 41 and finally reflected to the image sensor 5, and the light is calculated and imaged at the image sensor 5, so that the shooting work of the first lens 1 is completed; when the second lens 2 of the camera module works, the second lens 2 converges and transmits the light of the observed object to the filter below, the light is filtered at the filter, then the light is projected to the second inclined plane 71 of the second prism 7 after passing through the filter, the light is reflected at the second inclined plane 71 and is reflected to the second reflecting surface 42 of the reflecting prism 4, the light is reflected again at the second reflecting surface 42 and finally reflected to the image sensor 5, and the light is calculated and imaged at the image sensor 5, so that the shooting work of the second lens 2 is completed; when the first lens 1 and the second lens 2 of the camera module work simultaneously, the light rays of the first lens 1 and the second lens 2 are reflected to the image sensor 5 simultaneously, and the light path 8 is as described above, and is not described here again.

In the application, two lenses can be assembled in a camera module structure, and the two lenses respectively correspond to different camera functions, so that the functions equivalent to the two camera modules are realized in one camera module, the number of rear cameras of the mobile phone can be correspondingly reduced, the space occupation rate of the camera module to the mobile phone is reduced, and the miniaturization design is realized; meanwhile, in the application, the two lenses share the image sensor 5, so that the structure setting can be optimized while the shooting function is ensured, and parts are correspondingly reduced, so that the production cost is reduced; in addition, the camera module of this application can realize being equivalent to the function of two camera modules to this realization is with camera module integrated design, easy to assemble and dismantlement.

Any combination of the various embodiments of the utility model should be considered as being within the scope of the present disclosure, as long as the inventive concept is not violated; within the scope of the technical idea of the utility model, any combination of various simple modifications and different embodiments of the technical proposal without departing from the inventive idea of the utility model should be within the scope of the utility model.

Claims

1. The utility model provides a dual-lens camera module structure of sharing image sensor which characterized in that includes: a housing, a first lens, a second lens, a reflecting prism, a first prism, a second prism, and an image sensor; the shell is provided with an inner cavity, two sides of the upper end face of the shell are provided with through holes, and the through holes are communicated with the inner cavity; the first lens and the second lens are respectively arranged at the two through holes; the first prism and the second prism are installed in the inner cavity at intervals, the first prism is positioned below the first lens, and the second prism is positioned below the second lens; the light reflecting prism is movably arranged in the inner cavity, and the light reflecting prism is positioned between the first prism and the second prism; the image sensor is arranged at the bottom surface of the inner cavity and is positioned below the reflecting prism;

2. The dual-lens camera module structure of the common image sensor according to claim 1, wherein: when the reflecting prism moves to the side edge of the second prism and contacts with the second prism in a fitting way, the through hole at the second lens can be shielded, and the image sensor only receives the light projected by the first lens;

3. The dual-lens camera module structure of the common image sensor according to claim 1, wherein: a first inclined surface is arranged on one side, facing the light reflecting prism, of the first prism, a first reflecting surface is arranged on one side, facing the first prism, of the light reflecting prism, and the first inclined surface is used for reflecting light projected by the first lens to the first reflecting surface and reflecting the light again by the first reflecting surface so as to reflect the light into the image sensor;

4. The dual-lens camera module structure of the common image sensor according to claim 1, wherein: a prism support is movably arranged in the inner cavity of the shell, and the reflecting prism is arranged on the prism support; the side of the prism support is provided with a magnetic block, the side wall of the inner cavity of the shell is provided with a coil, the coil corresponds to the magnetic block, and when the coil is electrified, a magnetic field generated by the coil interacts with a magnetic field of the magnetic block so as to drive the prism support and the reflecting prism on the prism support to move together.

5. The dual-lens camera module structure of the common image sensor according to claim 4, wherein: the inner cavity of the shell is provided with a plurality of first sliding grooves, the prism support is provided with a plurality of second sliding grooves, the first sliding grooves and the second sliding grooves are arranged in a one-to-one correspondence mode, and balls are arranged between the first sliding grooves and the second sliding grooves corresponding to each other, so that the prism support can be movably arranged in the inner cavity.

6. The dual-lens camera module structure of the common image sensor according to claim 5, wherein: the top surface and the bottom surface department of inner chamber all are provided with first spout, the up end and the lower terminal surface of prism support all are provided with the second spout, the inner chamber top surface first spout with the prism support up end the second spout one-to-one sets up, the inner chamber bottom surface first spout with the prism support lower terminal surface the second spout one-to-one sets up.

7. The dual-lens camera module structure of the common image sensor according to claim 4, wherein: the flexible printed circuit board also comprises an FPC board; the FPC board is arranged at the bottom surface of the inner cavity, the image sensor is arranged at the upper end surface of the FPC board, and the FPC board is electrically connected with the image sensor; and a part of structure of the FPC board can be bent on the side wall of the inner cavity, and the coil is arranged at the bending structure of the FPC board and is electrically connected with the coil.

8. The dual-lens camera module structure of the common image sensor according to claim 7, wherein: the FPC board is provided with a chip, the chip is a position sensor chip, the position sensor chip is arranged at the bending structure of the FPC board and is positioned at the middle position of the coil, and the position sensor chip is electrically connected with the FPC board.

9. The dual-lens camera module structure of the common image sensor according to claim 7, wherein: and a glue layer is arranged between the FPC board and the shell and is used for connecting and fixing the FPC board and the shell.

10. The dual-lens camera module structure of the common image sensor according to claim 1, wherein: the through holes are internally provided with optical filters, and the optical filters are used for filtering stray light.