CN112492167A

CN112492167A - Camera module and electronic equipment

Info

Publication number: CN112492167A
Application number: CN202011384132.0A
Authority: CN
Inventors: 刘盼盼; 韩建国
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-03-12

Abstract

The application provides a camera module and electronic equipment, wherein the camera module comprises a driving component, a photosensitive chip and a lens component; the lens assembly comprises at least two lenses, and the driving assembly drives the lens assembly to rotate so as to switch one lens to be opposite to the photosensitive chip. The camera module has the advantages that the occupied space of the camera module is reduced.

Description

Camera module and electronic equipment

Technical Field

The application relates to the technical field of communication, especially, relate to a camera module and electronic equipment.

Background

Along with the development of intelligent terminal and communication, intelligent terminal's shooting function is stronger and stronger, and the quantity of camera is also more and more, zooms the camera from the single camera of the fixed focus of original function machine to the tandem of intelligent machine, has appeared to two front four back cameras to present, and leading main shooting adds the wide angle, and rearmounted main shooting, wide angle, portrait, blurring etc.. The appearance of multi-shot mainly aims to meet the requirements of high-quality and multifunctional shooting of consumers.

In the prior art, for a camera module, the camera module generally includes a lens and a photosensitive chip correspondingly disposed, and if a combination of different lenses is to be implemented, the combination needs to be implemented by matching a plurality of lenses and a plurality of photosensitive chips in one-to-one correspondence. In the process of implementing the present application, the applicant finds that at least the following problems exist in the prior art: the combination of different cameras is realized by adopting the cooperation of a plurality of lenses and a plurality of photosensitive chips in one-to-one correspondence, and the space occupied by the camera module in the electronic equipment can be increased. It is thus clear that there is the great problem of occupation space of camera module among the prior art.

Disclosure of Invention

The embodiment of the application provides a camera module and electronic equipment to solve the great problem of occupation space of camera module.

In a first aspect, an embodiment of the present application provides a camera module, where the camera module includes a driving component, a photosensitive chip, and a lens component; the lens assembly comprises at least two lenses, and the driving assembly drives the lens assembly to rotate so as to switch one lens to be opposite to the photosensitive chip.

In a second aspect, an embodiment of the present application further provides an electronic device, including the camera module according to the first aspect.

In this application embodiment, the camera module passes through drive assembly, and two at least camera lenses in the drive camera lens subassembly rotate to switch a camera lens and just to sensitization chip setting. Like this, the camera module can realize the switching of camera lens through drive assembly, has realized the same sensitization chip of a plurality of camera lens reuses to camera module's occupation space has been reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is one of structural diagrams of a camera module according to an embodiment of the present disclosure;

fig. 2 is a second structural diagram of a camera module according to an embodiment of the present disclosure;

fig. 3 is a third structural diagram of a camera module according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. As used in this application, the terms "first," "second," and the like do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.

Referring to fig. 1 to 3, an embodiment of the present application provides a camera module, which includes a driving assembly 100, a photosensitive chip 200, and a lens assembly 300; the lens assembly 300 includes at least two lenses 301, and the driving assembly 100 drives the lens assembly 300 to rotate, so as to switch one of the lenses 301 to be disposed over against the photosensitive chip 200.

In the embodiment of the present application, the lens 301 included in the lens assembly 300 may be set according to actual needs. For example, in one embodiment, the lens assembly 300 may include a wide-angle lens; in other embodiments, the lens assembly 300 may further include an afocal lens, a macro lens, and the like to meet the current needs for shooting. The lens assembly 300 may include a rotating disc, and the rotating disc is provided with at least two lenses 301, and the at least two lenses 301 are driven to rotate by the rotation of the rotating disc. Alternatively, the lens in the lens assembly 300 may be in the shape of a fan blade, and is connected to the driving assembly through a fixing rod, which is not further limited herein.

Further, the rotating shaft of the driving assembly 100 may be fixedly connected to the lens assembly 300 to drive the lens assembly 300 to rotate. The specific connection mode may be set according to actual needs, for example, in an embodiment, the rotation shaft of the driving assembly 100 may be fixedly connected to the lens assembly 300 by adhesion; in another embodiment, the rotating shaft of the driving assembly 100 may be fixedly connected to the lens assembly 300 by a screw connection.

The type of the photosensitive chip 200 may also be set according to actual requirements, and in this embodiment of the application, the photosensitive chip 200 may be a Complementary Metal Oxide Semiconductor (CMOS) chip or a Charge Coupled Device (CCD) chip.

Specifically, the photosensitive chip 200 may be disposed on a Printed Circuit Board (PCB), and electrically connected to an external motherboard through a flexible Circuit Board and a connector. Above-mentioned printed circuit board, flexible circuit board and the integrated setting of connector to can be through the mode that soft or hard combines, electrically connect above-mentioned sensitization chip 200 with outside mainboard, reduced the occupation space of camera module.

Further, each of the lenses 301 may be integrated with a focusing motor, and the focusing motor may be a ball-type or suspension-type motor to drive the lens in the lens 301 to move along a first direction, where the first direction is perpendicular to the rotation direction of the lens assembly 300, so that the lens in the lens 301 may be close to or far from the photo sensor chip 200, thereby realizing focusing of the camera.

The lens 301 is disposed corresponding to the photosensitive chip 200 during the rotation process, and at this time, the lens 301 faces the photosensitive chip 200, and light is focused by the lens above the photosensitive chip 200, imaged on the photosensitive chip, and input to the electronic device for presentation through the circuit board and the connector.

In the embodiment of the present application, the camera module drives at least two lenses 301 in the lens assembly 300 to rotate through the driving assembly 100, so as to switch one lens 301 to be disposed over against the photosensitive chip 200. Thus, the camera module can realize the switching of the lens 301 through the driving component 100, and realize that a plurality of lenses 301 multiplex the same photosensitive chip 200, thereby reducing the occupied space of the camera module.

Meanwhile, only one photosensitive chip 200 is arranged to correspond to the plurality of lenses 301, and circuit wiring is simplified, so that signal interference when the plurality of photosensitive chips 200 are arranged is reduced, and the cost of the camera module is also reduced.

Optionally, the driving assembly 100 is configured to drive the lens assembly 300 to rotate, and the at least two lenses 301 may be disposed on the same circumference with the rotation center of the lens assembly 300 as the center of the circle at regular intervals.

In the embodiment of the present application, the driving assembly 100 drives the lens assembly 300 to rotate along the driving shaft 104. Therefore, the rotation axis of the lens assembly 300 may be the axis of the driving shaft 104. The at least two lenses 301 are uniformly spaced and located on the same circumference around the rotation center of the lens assembly 300. In other words, the central angles formed between every two adjacent lenses 301 are equal, and if the lens assembly 300 includes three cameras, the three cameras are all disposed at an interval of 120 °; if the lens assembly 300 includes four cameras, the four cameras are all arranged at 90 ° intervals. In this way, each time the driving assembly 100 drives the lens assembly 300 to rotate an angle formed by two adjacent lenses 301, one lens 301 of the at least two lenses 301 faces the photosensitive chip 200, so that the accuracy of the lens assembly 300 during the rotation process can be improved.

Alternatively, the driving assembly 100 includes a motor 101, a first gear 102, a second gear 103, and a driving shaft 104, wherein a rotation shaft of the motor 101 is fixedly connected to the first gear 102, the first gear 102 is engaged with the second gear 103, and the second gear 103 is fixedly connected to the driving shaft 104.

The driving shaft 104 is fixedly connected to the lens assembly 300, and the rotating shaft of the motor 101 drives the driving shaft 104 to rotate, so as to drive the lens assembly 300 to rotate along the driving shaft 104.

In the embodiment of the present application, referring to fig. 1 or fig. 2, in order to make the rotation speed of the lens assembly 300 more stable, the driving assembly 100 may drive the lens assembly 300 to rotate by means of a bevel gear engaged with the driving shaft 104. Specifically, the above-described driving assembly 100 may include a motor 101, a first gear 102, a second gear 103, and a driving shaft 104. The first gear 102 and the second gear 103 may be helical gears that mesh with each other, so that a contact area between the gears can be increased. The rotating shaft of the motor 101 may be fixedly connected to the first gear 102, that is, a fixing hole may be formed in the center of the first gear 102, and the rotating shaft of the motor 101 is fixed to the first gear 102 through the fixing hole. Meanwhile, the driving shaft 104 may also be fixedly connected to the second gear 103 in a similar manner, which is not described in detail herein. Thus, the rotation of the rotating shaft of the motor 101 can drive the rotation of the driving shaft 104, and the rotation of the driving shaft 104 drives the rotation of the lens assembly 300.

Further, in order to reduce the space occupied by the driving assembly 100 and the lens assembly 300 when they are combined, the rotating shaft of the motor 101 may be disposed perpendicular to the driving shaft 104, so that the length of the motor 101 in the direction along the driving shaft 104 may be reduced.

Optionally, the lens assembly 300 may further include a fixed plate 302, the fixed plate 302 is fixedly connected to the driving shaft 104, and the at least two lenses 301 are disposed on the fixed plate 302.

In the embodiment of the present application, referring to fig. 1, fig. 1 is a schematic cross-sectional view of the camera module. As shown in fig. 1, the lens assembly 300 may include a fixing plate 302, and the at least two lenses 301 may be fixedly connected to the fixing plate 302, which may be configured according to actual needs. In an embodiment, the at least two lenses 301 may be fixedly disposed in holes formed in the fixing plate 302; in another embodiment, the at least two lenses 301 may be fixedly connected to the fixing plate 302 by bonding or by bolts and nuts, so that when the fixing plate 302 rotates along the driving shaft 104, the at least two lenses 301 also rotate along with the fixing plate 302.

Further, the fixing plate 302 may include first mounting holes corresponding to the lenses 301 and fixing holes corresponding to the driving shafts 104, each of the lenses 301 is located in the corresponding first mounting hole and fixedly connected to the fixing plate 302, and the rotating shaft portion is located in the fixing hole and fixedly connected to the fixing plate 302.

It should be noted that, in order to ensure that the light passing through the lens 301 can be received by the photosensitive chip 200, the first mounting hole may be a through hole.

In this embodiment, in order to reduce the space occupied by the camera module, the fixing plate 302 may be provided with a first mounting hole corresponding to the lens 301, and the lens 301 may be fixedly disposed in the corresponding first mounting hole, so as to reduce the length of the lens assembly 300 in the axial direction of the driving shaft 104. Meanwhile, the fixing plate 302 may further have a fixing hole for fixing the driving shaft 104, and the fixing hole may be located at a central position of the fixing plate 302, so that the lens assembly 300 is more stable during the rotation process.

Alternatively, each of the lenses 301 may be fixedly connected to the driving shaft 104 by a fixing rod.

In the embodiment of the present application, referring to fig. 3, fig. 3 is a schematic view of another possible structure of the camera module. As shown in fig. 3, the at least two lenses 301 may be fixedly connected to the driving shaft 104 by a fixing rod. Specifically, the driving shaft 104 may have a second mounting hole corresponding to the lens 301, one end of the fixing rod may be fixedly connected to the lens 301, and the other end of the fixing rod may be fixedly disposed in the corresponding second mounting hole, so that the rotation of the driving shaft 104 may drive the at least two lenses 301 to rotate. Of course, in other embodiments, the lens 301 may be fixedly connected to the driving shaft 104 by means of bonding or screw fixation.

Further, the camera module may include a housing 400 and a circuit board 500, and the housing 400 is fixedly connected to the circuit board 500.

The housing 400 has an accommodating cavity, the housing 400 includes a first end and a second end, the first end has an opening communicating with the accommodating cavity, and the second end has a first light hole 401 corresponding to the position of the photosensitive chip 200; the circuit board 500 is located at the first end and covers the opening.

In the embodiment of the present application, the camera module may be formed by a housing 400 and a circuit board 500 to cover the driving assembly, the lens assembly and the photo sensor chip. The housing 400 may be rectangular or round, and may be set according to space requirements without further limitation. The first end may be an opening so as to be easily enclosed with the circuit substrate 500 to accommodate the lens assembly 300 and the driving assembly 100; the second end can be provided with a structure of a light through hole, and the first light through hole 401 can be specifically arranged corresponding to the photosensitive chip 200, so that light can pass through the lens 301 and be projected onto the photosensitive chip 200.

The first end may be fixedly connected to the circuit board 500, and a specific connection manner may be set according to actual needs. In one embodiment, the first end may be fixedly connected to the circuit substrate 500 by adhesion; in another embodiment, the first end may be fixedly connected to the circuit substrate 500 by a screw and a nut.

The Circuit substrate 500 may be a Printed Circuit Board (PCB) and is integrally provided with the photosensitive chip 200. Meanwhile, the driving unit 100 and the lens unit 300 may be fixed to the circuit substrate 500 by bonding.

Optionally, the photosensitive chip 200 is disposed at one side of the lens assembly 300, a light blocking member 600 may be disposed between the photosensitive chip 200 and the lens assembly 300, a second light passing hole 601 is disposed in the light blocking member 600, and the second light passing hole 601 is disposed corresponding to the photosensitive chip 200 to form a light passing channel between the photosensitive chip 200 and the lens 301.

In this embodiment, the light blocking member 700 is used to block the light beams on two sides of the light passing channel, so as to avoid the interference of the light beams transmitted on two sides and improve the imaging effect. The light blocking member 700 may be disposed in a ring shape, and the middle portion thereof is provided with the second light passing hole 601, so as to facilitate the projection of light passing through the lens. The material of the light blocking member can be set according to actual requirements. In order to improve the light blocking effect, the light blocking member 700 may be made of a flexible material, and both sides of the light blocking member are respectively attached to the lens assembly and the photosensitive chip by glue.

Optionally, in order to filter a specific light and protect the lens, a filter 700 may be further disposed in the light-transmitting channel, as shown in fig. 1, the filter 700 may be located above the light-sensing chip 200 and below the light-blocking member 600. Specifically, one side of the optical filter 700 may be adhered to the light blocking member 600 by glue, and the other side may be adhered to the photosensitive chip 200 by glue.

Optionally, in some embodiments, the at least two lenses are different types of lenses, for example, in the embodiments of the present application, the type of the lens 301 is an ultra-wide angle lens, a wide angle lens, or a telephoto lens. Of course, in other embodiments, the lens 301 may be another type of lens, such as a standard lens, which may also be referred to as a normal lens. The images may be classified in other ways, such as a fixed focus lens and a zoom lens.

The embodiment of the application further provides electronic equipment comprising the camera module in any one of the above embodiments.

Wherein, the electronic equipment can include: at least one of a cell phone, a tablet, an e-book reader, an MP3 player, an MP4 player, a digital camera, a laptop, a car computer, a desktop computer, a set-top box, a smart tv, a wearable device.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A camera module is characterized by comprising a driving component, a photosensitive chip and a lens component; the lens assembly comprises at least two lenses, and the driving assembly drives the lens assembly to rotate so as to switch one lens to be opposite to the photosensitive chip.

2. The camera module according to claim 1, wherein the driving assembly is configured to drive the lens assembly to rotate, and the at least two lenses are disposed at equal intervals on a same circumference centered on a rotation center of the lens assembly.

3. The camera module according to claim 1, wherein the driving assembly comprises a motor, a first gear, a second gear and a driving shaft, a rotating shaft of the motor is fixedly connected with the first gear, the first gear is in meshed connection with the second gear, and the second gear is fixedly connected with the driving shaft;

the driving shaft is fixedly connected with the lens assembly, and the rotating shaft of the motor drives the driving shaft to rotate so as to drive the lens assembly to rotate along the driving shaft.

4. The camera module of claim 3, wherein the axis of rotation of the motor is disposed perpendicular to the drive shaft.

5. The camera module of claim 3, wherein the lens assembly further comprises a fixed plate, the fixed plate is fixedly connected to the driving shaft, and the at least two lenses are disposed on the fixed plate.

6. The camera module according to claim 5, wherein the fixing plate includes first mounting holes corresponding to the lenses and fixing holes corresponding to the driving shafts, each of the lenses is disposed in the corresponding first mounting hole and fixedly connected to the fixing plate, and the driving shaft is disposed in the fixing hole and fixedly connected to the fixing plate.

7. The camera module of claim 3, wherein each of the lenses is fixedly connected to the driving shaft by a fixing rod.

8. The camera module according to claim 7, wherein the camera module comprises a housing and a circuit substrate, wherein the housing is fixedly connected with the circuit substrate;

the shell is provided with an accommodating cavity, the shell comprises a first end and a second end, the first end and the second end are arranged in a back direction, the first end is provided with an opening communicated with the accommodating cavity, and a first light through hole is formed in the position, corresponding to the photosensitive chip, of the second end; the circuit substrate is located at the first end and shields the opening.

9. The camera module according to claim 1, wherein the photosensitive chip is disposed on one side of the lens assembly, and a light blocking member is disposed between the photosensitive chip and the lens assembly, and a second light passing hole is disposed in the light blocking member and corresponds to the photosensitive chip to form a light passing channel between the photosensitive chip and the lens.

10. The camera module of claim 1, wherein the at least two lenses are different types of lenses, and the type of the lens is an ultra-wide angle lens, a wide angle lens, or a telephoto lens.

11. An electronic device, comprising the camera module according to any one of claims 1 to 10.