CN117880614A

CN117880614A - Co-chip multi-camera module

Info

Publication number: CN117880614A
Application number: CN202410084841.9A
Authority: CN
Inventors: 徐淦洲; 张昊; 杜凯文; 刘万山; 谢育佐
Original assignee: Shine Optics Technology Company Ltd
Current assignee: Shine Optics Technology Company Ltd
Priority date: 2024-01-19
Filing date: 2024-01-19
Publication date: 2024-04-12

Abstract

The invention relates to the field of cameras and discloses a co-chip multi-camera module which comprises a multi-lens module, a focusing module and a sensor part which are sequentially connected, wherein a lens carrier is arranged in the lens module in a sliding way, a plurality of lenses are arranged on the lens carrier, a light sensing hole is formed in the bottom of the lens module, different lenses can be aligned with the light sensing hole through sliding of the lens carrier, and the focusing module and the sensor part are always aligned with the light sensing hole. An image pickup module capable of controlling cost and ensuring the picture quality of a plurality of lenses is provided.

Description

Co-chip multi-camera module

Technical Field

The invention relates to the field of cameras, in particular to a co-chip multi-camera module.

Background

The cost of the mobile phone camera module image sensor module accounts for about 60% of that of the whole camera module, the mobile phone is provided with a plurality of camera modules at the rear position, three or even four cameras are often arranged, each camera module is provided with an image sensor module, the cost of the camera module is greatly increased by the arrangement, meanwhile, in actual operation, in order to reduce the cost of the cameras, the wide angle, the micro-distance and other auxiliary cameras are provided with cameras with lower-end low pixels and sensor arrangements relative to the main camera, the imaging quality of images is poor, poor use experience cannot be caused compared with the main camera effect, and therefore, the camera module capable of controlling the cost and guaranteeing the picture quality of a plurality of lenses is needed to be provided.

Disclosure of Invention

The invention aims to provide a co-chip multi-camera module, and provides a camera module which can control cost and ensure the picture quality of a plurality of lenses.

In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a many modules of taking photograph of co-chip, includes the multi-lens module that connects in order, focuses module and sensor portion, and the inside slip of lens module is equipped with the lens carrier, installs a plurality of lenses on the lens carrier, and open the lens module bottom has the sensitization hole, and the lens carrier slip can make different lenses homoenergetic align with the sensitization hole, focuses module and sensor portion all the time with the sensitization hole alignment.

The beneficial effect of this scheme is:

1. the cost is reduced. Through integrating a plurality of lenses into a module, can reduce holistic manufacturing cost, through the slip lens carrier, realize the alignment of different lenses and sensitization hole, can realize nimble camera lens and switch, share a sensor portion, avoid each camera lens to all need an independent image sensor to image sensor's quantity and cost have been reduced.

2. The image has good quality. Due to the adoption of the multi-lens module, special lenses can be switched in different shooting scenes, the image quality in a specific scene is improved, each lens can be provided with a high-quality image sensor, each lens can receive images by using the high-quality image sensor, and the quality of pictures can be further ensured.

3. Small volume and convenient use. By integrating a plurality of components in one module, the overall size of the module can be effectively reduced, and the mobile device is suitable for the requirements of mobile devices such as mobile phones and the like on miniaturized design.

Preferably, as an improvement, the lens module comprises a housing part and a sliding part for driving the lens carrier to slide, wherein the housing part comprises an upper housing and a base, the upper housing can be covered on the base, the sliding part comprises a sliding circuit board and a sliding rail which are fixed on the base, a plurality of groups of sliding magnet groups are fixed at the bottom of the lens carrier, a coil group opposite to the sliding magnet groups is electrically connected on the sliding circuit board, and the lens carrier can slide along the sliding rail.

The beneficial effects are as follows: according to the technical scheme, through the arrangement of the structure of the sliding rail and the sliding circuit board, the lens carrier can flexibly slide along the sliding rail when sliding, so that stable and controllable sliding effects during focusing, zooming or switching different lenses can be realized; the design of adopting slip magnetite group and coil group among this technical scheme realizes the slip control to the lens carrier through electromagnetic induction, through the removal to the current control lens carrier of slip circuit board to coil group access different sizes and directions, debugs out suitable current index value when carrying out the product debugging, cuts into when using and sets for current value can control the slip distance and the position of lens carrier to ensure that the lens can aim at the light trap, this helps providing more accurate and controllable slip operation. Through the sliding circuit board and the sliding rail fixed on the base, the structural stability of the whole module can be improved, the shake during sliding is reduced, and the stable operation of the camera module is facilitated to be ensured.

Preferably, as an improvement, the surface of the lens carrier, which is close to the base, is provided with two groups of sliding grooves, each sliding groove is connected with the corresponding sliding rod in a sliding way, the section of the sliding rod is circular, and the section of the sliding groove is V-shaped.

The beneficial effects are as follows: through setting up two sets of spouts and slide bar, guarantee the stable slip of slip in-process camera lens carrier and the structural balance when sliding, the slide rail has adopted the combination of V-arrangement spout and circular slide bar, this kind of design helps providing relatively steady sliding motion, the cross-section of V-arrangement spout plays the guide effect to circular slide bar, prevent that the slide bar from taking place to deviate in the slip in-process, guarantee to keep stable when sliding, friction and the instability when sliding have been reduced, simultaneously when meetting external vibration, can reduce the influence of external vibration to the camera lens carrier, keep the relative stability of camera module in shooting in-process.

Preferably, as an improvement, the focusing module comprises an upper cover, an upper reed, a focusing magnet set and an infrared filtering part which are sequentially arranged, wherein the infrared filtering part comprises an infrared filter and a filter support for fixing the infrared filter, a focusing coil surrounds the filter support, the focusing magnet set is fixed on the inner wall of the upper cover and opposite to the focusing coil, and the filter support is connected with the upper cover through the upper reed.

The beneficial effects are as follows: through adopting the magnetite group that focuses, focusing coil and other relevant components, can realize focusing the high accuracy of module and focusing, focusing the coil and around focusing magnetite group, this kind of design can realize electromagnetic induction and focus to adjust the current of focusing the coil to adjust the position of focusing magnetite group, realize focusing the quick, the accurate of module. The infrared filter part comprises an infrared filter, improves the color restoration and contrast of the image, and is beneficial to obtaining real color restoration in daily shooting.

Preferably, as an improvement, the sensor part comprises an image sensor, a lower reed and a bottom plate, the lower reed comprises a fixed part and a reed wire, the center of the fixed part is a moving part, the moving part is connected with the fixed part through the reed wire, the fixed part is fixedly connected with the bottom plate, the image sensor is fixed on the surface of the moving part and aligned with the optical filter, and the image sensor is fixedly connected with the optical filter support.

The beneficial effects are as follows: because the image sensor is aligned with the optical filter, the connection mode of the lower reed and the bottom plate is adopted, and the adjustment of a large range of the moving part is facilitated, so that the flexibility of the focusing system is realized. In the embodiment, the image sensor is fixedly connected with the optical filter support, namely the image sensor and the optical filter support are mounted in a suspending way through the upper reed and the lower reed, the optical filter support is driven to move for focusing through the energizing of the focusing coil, the image sensor is lighter in weight, and the image sensor is driven to move through the focusing coil, so that compared with the driving of the lens to move, the driving difficulty is reduced, and the focusing speed is further improved; in addition, compared with the moving lens, the size of the image sensor is smaller, the thickness is greatly reduced, more displacement is needed for focusing of the lens, but the space required by movement of the image sensor is reduced, so that the size of the camera module can be further reduced, the moving distance of the driving device is smaller, and the focusing speed is further improved.

Preferably, as an improvement, the base center is opened there is the sensitization hole of rectangle, and the base upper and lower both sides are opened there is the mounting groove, all is attached with the magnetic absorption piece in the mounting groove, and the slip circuit board includes two electrically connected first flexible circuit boards, and two first flexible circuit boards also are fixed respectively in the mounting groove, and the upper cover embedding is installed in the sensitization hole.

The beneficial effects are as follows: the design of mounting groove and magnetic attraction piece helps fixed and stable slip circuit board, sets up the magnetic attraction piece and can have attractive force to the slip magnetite group, can promote the stability that the slip magnetite group removed for the slip magnetite group has the trend that is close to the base, guarantees that the carrier can not derail when sliding. The design of the mounting groove simplifies the assembly process, is convenient for assembling and positioning the mounting parts, reduces the assembly error and improves the assembly efficiency. The combination of the mounting groove and the magnetic absorbing sheet may increase the overall stability of the module, reducing loosening or wobble that may occur during use. The upper cover is embedded into the light sensing hole, so that the light sensing hole and the internal components are protected, and meanwhile, the thickness of the device can be reduced, so that the device can be applied to lighter and thinner mobile phones.

Preferably, as an improvement, the surface of the base is provided with two sliding rod grooves, the sliding rods are embedded into the corresponding sliding grooves for placement, and a gland is further arranged to cover the upper part of the base and fix the sliding rods.

The beneficial effects are as follows: through open two slide bar grooves on the base surface, the slide bar can imbed in corresponding spout, has formed a relatively stable sliding structure, compares in the unsettled installation of slide bar and more can guarantee the stability of slide bar, because the module of making a video recording is than little and inseparable component, even if the vibration of comparison is also possible to bring the vibration of picture, can ensure the steady motion of module when sliding through above-mentioned setting. The gland covers the base and fixes the slide bar, helps preventing dust and other impurity from entering the sliding structure, improves the service life of module, reduces maintenance cost.

Preferably, as an improvement, the number of lenses is 3, and the lenses are a wide-angle lens, an ultra-wide-angle lens and a tele lens, respectively.

The beneficial effects are as follows: by integrating the three different types of lenses into one module, a user can more flexibly select shooting modes suitable for different scenes, and the creativity and diversity of shooting are improved. The multi-camera design is also beneficial to solving the limitation of the camera module under different scenes and improving the overall performance of mobile phone photography.

Drawings

FIG. 1 is an exploded view of an embodiment of the present invention;

FIG. 2 is a schematic diagram of an embodiment of the present invention;

FIG. 3 is a schematic view of the structure of the lower reed of the present invention;

fig. 4 is a side view of the lens carrier of the present invention.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: the lens comprises a light sensing hole 1, an upper shell 2, a base 3, a sliding magnet set 4, a lens 5, a lens carrier 6, a sliding chute 7, a sliding rail 8, a gland 9, an upper cover 10, an upper reed 11, a focusing magnet set 12, an infrared optical filter 13, an optical filter bracket 14, a focusing coil 15, an image sensor 16, a bottom plate 17, a fixing part 18, a reed 19, a moving part 20, a first flexible circuit board 21, a mounting groove 22, a lower reed 23 and a magnetic absorbing sheet 24.

Examples

The embodiment is basically shown in fig. 1, and as shown in fig. 1 and fig. 2, the co-chip multi-camera module comprises a multi-lens module, a focusing module and a sensor part which are sequentially connected, wherein a lens carrier 6 is slidably arranged in the lens module, a plurality of lenses 5 are arranged on the lens carrier 6, the number of the lenses 5 in the embodiment is 3, the lenses 5 are respectively a wide-angle lens 5, an ultra-wide-angle lens 5 and a long-focus lens 5, a user can more flexibly select shooting modes suitable for different scenes, and the creativity and diversity of shooting are improved. The bottom of the lens module is provided with a photosensitive hole 1, the lens carrier 6 slides to enable 3 lenses 5 to be aligned with the photosensitive hole 1, and the focusing module and the sensor part are also aligned with the photosensitive hole 1 all the time. The lens module includes casing portion and drives the gliding sliding part of lens carrier 6, casing portion includes casing 2 and base 3, go up casing 2 and can close on base 3, sliding part is including fixing the slip circuit board and slide rail 8 on base 3, slide rail 8 length in this embodiment is greater than the length of lens carrier 6 for every camera lens 5 can all aim at the light sensing hole 1, lens carrier 6 bottom is fixed with multiunit slip magnetite group 4, the surface that lens carrier 6 is close to base 3 is opened and is had a plurality of magnetite grooves, slip magnetite group 4 all imbeds in the magnetite groove and glue is fixed, this embodiment is equipped with the slip magnetite group 4 with camera lens 5 quantity the same quantity, every group slip magnetite group 4 all includes two sets of magnetite, two sets of magnetite symmetry are placed in the both sides of corresponding camera lens 5, the electricity is connected with the coil group relative with slip magnetite group 4 on the slip circuit board, lens carrier 6 can slide along slide rail 8.

The surface of the lens carrier 6, which is close to the base 3, is provided with two groups of sliding grooves 7, the sliding rail 8 comprises two sliding rods, each sliding groove 7 is in sliding connection with the corresponding sliding rod, the section of the sliding rod is circular, and as shown in fig. 4, the section of the sliding groove 7 is V-shaped. Through setting up two sets of spouts 7 and slide bar, guarantee the stable slip of slip in-process lens carrier 6 and the structural balance when sliding, slide rail 8 has adopted the combination of V-arrangement spout 7 and circular slide bar, this kind of design helps providing relatively steady sliding motion, the cross-section of V-arrangement spout 7 plays the guide effect to circular slide bar, prevent that the slide bar from taking place to deviate in the slip in-process, ensure to keep stable when sliding, friction and the instability when having reduced the slip, simultaneously when meetting external vibration, can reduce the influence of external vibration to lens carrier 6, keep the relative stability of camera module in shooting in-process. The base 3 is provided with a rectangular light sensing hole 1 in the center, the upper side and the lower side of the base 3 are provided with mounting grooves 22, the mounting grooves 22 are respectively provided with magnetic absorbing sheets 24, the sliding circuit board comprises two first flexible circuit boards 21 which are electrically connected, the two first flexible circuit boards 21 are respectively fixed in the mounting grooves 22, each first flexible circuit board 21 is electrically connected with 3 coils, and the upper cover 10 is embedded and mounted in the light sensing hole 1. The design of mounting groove 22 and magnetic attracting piece 24 helps fixed and stable slip circuit board, sets up magnetic attracting piece 24 and can be attractive to slip magnetite group 4, can promote the stability that slip magnetite group 4 removed for slip magnetite group 4 has the trend that is close to base 3, ensures that the carrier can not derail when sliding. The design of the mounting groove 22 simplifies the assembly process, facilitates the assembly and positioning of the mounting parts, reduces assembly errors and improves assembly efficiency. The combination of the mounting groove 22 and the suction piece 24 may increase the overall stability of the module, reducing loosening or wobble that may occur during use. The upper cover 10 is embedded into the photosensitive hole 1, which is helpful to protect the photosensitive hole 1 and internal components, and simultaneously, the thickness of the device can be reduced, so that the device can be applied to lighter and thinner mobile phones.

Two sliding rod grooves are formed in the surface of the base 3, sliding rods are embedded into corresponding sliding grooves 7 to be placed, and a gland 9 is further arranged to cover the upper portion of the base 3 and fix the sliding rods. Through open two slide bar grooves on base 3 surface, the slide bar can imbed in corresponding spout 7, has formed a relatively stable sliding structure, compares in the unsettled installation of slide bar and more can guarantee the stability of slide bar, because the module of making a video recording is than little and inseparable component, even if the vibration of comparison is also possible brings the vibration of picture, can ensure the steady motion of module when sliding through above-mentioned setting. The gland 9 is covered above the base 3 and fixes the slide bar, thereby being beneficial to preventing dust and other impurities from entering the sliding structure, prolonging the service life of the module and reducing the maintenance cost.

The focusing module comprises an upper cover 10, an upper reed 11, a focusing magnet group 12 and an infrared filtering part which are sequentially arranged, wherein the infrared filtering part comprises an infrared filter 13 and a filter support 14 for fixing the infrared filter 13, and the infrared filter 13 can filter infrared rays to improve the color restoration and contrast of images, so that the real color restoration can be obtained in daily shooting. The focusing coil 15 surrounds the periphery of the optical filter support 14, the focusing magnet group 12 is fixed on the inner wall of the upper cover 10 and is opposite to the focusing coil 15, and the position of the focusing magnet group 12 is adjusted by adjusting the current of the focusing coil 15, so that the quick and accurate focusing of the focusing module is realized. The filter holder 14 is connected to the upper cover 10 via the upper reed 11. The sensor part comprises an image sensor 16, a lower reed 23 and a bottom plate 17, the lower reed 23 comprises a fixed part 18 and a reed wire 19, as shown in fig. 3, the center of the fixed part 18 is a moving part 20, the moving part 20 is connected with the fixed part 18 through the reed wire 19, the fixed part 18 is fixedly connected with the bottom plate 17, the image sensor 16 is fixed on the surface of the moving part 20 and aligned with the optical filter, and the image sensor 16 is fixedly connected with the optical filter bracket 14. Since the image sensor 16 is aligned with the filter, the use of the connection of the lower reed 23 and the bottom plate 17 helps to provide a wide range of adjustment of the moving part 20, thereby achieving flexibility of the focusing system. In the embodiment, the image sensor 16 is fixedly connected with the optical filter support 14, namely, the image sensor 16 and the optical filter support 14 are mounted in a suspending way through the upper reed 11 and the lower reed 23, the optical filter support 14 is driven to move for focusing through the energizing of the focusing coil 15 during focusing, the image sensor 16 is lighter in weight, and the image sensor 16 is driven to move through the focusing coil 15, compared with the driving of the lens 5, the driving difficulty is reduced, and the focusing speed is further improved; in addition, compared with the moving lens 5, the volume of the image sensor 16 is smaller, the thickness is greatly reduced, more displacement is needed for focusing of the lens 5, but the space required by movement of the image sensor 16 is reduced, so that the volume of the image pickup module can be further reduced, the moving distance of the driving device is smaller, and the focusing speed is further improved.

The specific implementation mode is as follows:

according to the technical scheme, through the arrangement of the sliding rail 8 and the sliding circuit board, the lens carrier 6 can flexibly slide along the sliding rail 8 when sliding, so that stable and controllable sliding effects during focusing, zooming or switching different lenses 5 can be realized; the design of slip magnetite group 4 and coil group is adopted in this technical scheme, realize the slip control to lens carrier 6 through electromagnetic induction, promptly through the removal to the electric current control lens carrier 6 of slip circuit board to coil group in different sizes and directions, debug out suitable electric current index value when carrying out the product debugging, cut into when using and set for electric current value can control the slip distance and the position of lens carrier 6, in order to ensure that lens 5 can aim at the light trap, this helps providing more accurate and controllable slip operation. Through the sliding circuit board and the sliding rail 8 fixed on the base 3, the structural stability of the whole module can be improved, the shake during sliding is reduced, and the stable operation of the camera module is ensured.

1. The cost is reduced. By integrating a plurality of lenses 5 into one module, the overall manufacturing cost can be reduced, alignment of different lenses 5 with the photosensitive hole 1 can be realized by sliding the lens carrier 6, flexible lens 5 switching can be realized, one sensor part is shared, and the need of an independent image sensor 16 for each lens 5 is avoided, thereby reducing the number and cost of the image sensors 16.

2. The image has good quality. Due to the adoption of the multi-lens module, the special lens 5 can be switched in different shooting scenes, the image quality in the specific scene is improved, each lens 5 can be provided with the image sensor 16 with higher quality, each lens 5 can receive images by using the image sensor 16 with high quality, and the quality of pictures can be further ensured.

The foregoing is merely exemplary of the present invention, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present invention, and these should also be regarded as the protection scope of the present invention, which does not affect the effect of the implementation of the present invention and the practical applicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims

1. The utility model provides a many modules of taking photograph of co-chip which characterized in that: including the multi-lens module that connects in order, focus module and sensor portion, the inside slip of lens module is equipped with the lens carrier, installs a plurality of lenses on the lens carrier, and the lens module bottom is opened there is the sensitization hole, and the lens carrier slip can make different lenses homoenergetic align with the sensitization hole, and the module of focusing is aligned with the sensitization hole all the time with sensor portion.

2. The co-chip multi-camera module of claim 1, wherein: the lens module comprises a shell part and a sliding part for driving the lens carrier to slide, wherein the shell part comprises an upper shell and a base, the upper shell can be covered on the base, the sliding part comprises a sliding circuit board and a sliding rail which are fixed on the base, a plurality of groups of sliding magnet groups are fixed at the bottom of the lens carrier, a coil group opposite to the sliding magnet groups is electrically connected on the sliding circuit board, and the lens carrier can slide along the sliding rail.

3. A co-chip multi-camera module according to claim 2, wherein: the surface of the lens carrier, which is close to the base, is provided with two groups of sliding grooves, each sliding groove is connected with the corresponding sliding rod in a sliding way, the section of the sliding rod is circular, and the section of the sliding groove is V-shaped.

4. A co-chip multi-camera module according to claim 3, wherein: the focusing module comprises an upper cover, an upper reed, a focusing magnet set and an infrared filtering part, wherein the upper cover, the upper reed, the focusing magnet set and the infrared filtering part are sequentially arranged, the infrared filtering part comprises an infrared filter and a filter support for fixing the infrared filter, a focusing coil surrounds the periphery of the filter support, the focusing magnet set is fixed on the inner wall of the upper cover and opposite to the focusing coil, and the filter support is connected with the upper cover through the upper reed.

5. The co-chip multi-camera module of claim 4, wherein: the sensor part comprises an image sensor, a lower reed and a bottom plate, wherein the lower reed comprises a fixed part and a reed wire, the center of the fixed part is a moving part, the moving part is connected with the fixed part through the reed wire, the fixed part is fixedly connected with the bottom plate, the image sensor is fixed on the surface of the moving part and aligned with the optical filter, and the image sensor is fixedly connected with the optical filter support.

6. The co-chip multi-camera module of claim 5, wherein: the base center is opened there is the sensitization hole of rectangle, and open there is the mounting groove both sides about the base, all is attached with the magnetic absorption piece in the mounting groove, and the slip circuit board includes two electrically connected first flexible circuit boards, and two first flexible circuit boards also are fixed respectively in the mounting groove, and the upper cover embedding is installed in the sensitization hole.

7. The co-chip multi-camera module of claim 6, wherein: the surface of the base is provided with two sliding rod grooves, the sliding rods are embedded into the corresponding sliding grooves for placement, and a gland is further arranged to cover the upper part of the base and fix the sliding rods.

8. The co-chip multi-camera module of claim 7, wherein: the number of the lenses is 3, and the lenses are a wide-angle lens, an ultra-wide-angle lens and a tele lens respectively.