CN112653825B - Camera Modules and Electronic Equipment - Google Patents

Abstract

The present application discloses a camera module and an electronic device, the camera module includes: a first lens assembly and a second lens assembly, the first lens assembly includes a first lens, the second lens assembly includes a second lens, The first lens and the second lens are movable between a first position and a second position; a driving assembly is connected with the first lens to drive the first lens to move; in the Under the condition that the first lens and the second lens are in the first position, the first lens assembly and the second lens assembly are imaged respectively; when the first lens and the second lens are in the Under the condition of the second position, the first lens is located on the imaging optical path of the second lens assembly, and cooperates with the first lens to form images. In the present application, the first lens assembly and the second lens assembly are matched to meet the requirements for various shooting scenarios.

Description

Camera Modules and Electronic Equipment

technical field

The application belongs to the technical field of cameras, and in particular relates to a camera module and an electronic device.

Background technique

In the existing camera equipment, different shooting lenses usually need to be replaced for different shooting scenes. For example, when shooting a large area, a wide-angle lens is usually used. The basic characteristics of wide-angle lenses are short focal length, large angle of view, and long depth of field, which can show a large range of clarity. When shooting the details of distant scenes and shooting subjects that are not easy to approach, a telephoto lens is usually used. The basic characteristics of a telephoto lens are a long focal length and a small angle of view.

In the process of realizing this application, the inventor found that there are at least the following problems in the prior art: on the one hand, the wide-angle lens and the telephoto camera are only activated under certain conditions and are often idle; When using the camera, it is impossible to achieve the state of clear vision and close-up at the same time; on the other hand, when the camera assembly is applied to electronic devices such as mobile phones, due to the limited internal space, adding a variety of lenses to meet various shooting scenarios will lead to space congestion or insufficient.

SUMMARY OF THE INVENTION

The present application aims to provide a camera module and an electronic device, at least to solve one of the problems of the background art.

In order to solve the above technical problems, this application is implemented as follows:

In a first aspect, an embodiment of the present application provides a camera module, including: a first lens assembly and a second lens assembly, the first lens assembly includes a first lens, the second lens assembly includes a second lens, the first lens and the second lens are movable between a first position and a second position; a drive assembly is connected with the first lens to drive the first lens to move; in the Under the condition that the first lens and the second lens are in the first position, the first lens assembly and the second lens assembly are imaged respectively; when the first lens and the second lens are in the first position Under the condition of the second position, the first lens is located on the imaging optical path of the second lens assembly, and cooperates with the first lens to form images.

In a second aspect, an embodiment of the present application provides an electronic device, including any one of the above-mentioned camera modules.

In the embodiment of the present application, the first lens and the second lens are driven to move between the first position and the second position by the driving assembly. When the first lens and the second lens are in the first position, the first lens and the second lens are movable between the first position and the second position. The second lens can achieve independent imaging respectively, and when the first lens and the second lens are in the second position, the first lens and the second lens can cooperate to achieve imaging. According to the camera module of the embodiment of the present invention, on the one hand, the first lens and the second lens can be imaged separately or together, so as to realize the requirement of free switching of various actual usage scenarios; on the other hand, the first lens can be driven by the driving component The lens is movable between the first position and the second position, which avoids the need to assemble multiple lenses for multiple usage scenarios, and saves the internal space of the camera module.

Additional aspects and advantages of the present invention will be set forth, in part, from the following description, and in part will be apparent from the following description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of embodiments taken in conjunction with the accompanying drawings, wherein:

1 is a schematic diagram of an imaging optical path according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an imaging optical path according to yet another embodiment of the present invention.

Reference number:

camera module 100;

The first lens assembly 10; the first lens 11; the first sensor 12; the first protective lens 13;

The second lens assembly 20; the second lens 21; the second sensor 22; the second protective lens 23;

The first driving member 31; the second driving member 32; the third driving member 33; the fourth driving member 34;

Field lens 40 .

Detailed ways

The following will describe in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

The features of the terms "first" and "second" in the description and claims of this application may expressly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, "plurality" means two or more. In addition, "and/or" in the description and claims indicates at least one of the connected objects, and the character "/" generally indicates that the associated objects are in an "or" relationship.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Rear, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial, The orientations or positional relationships indicated by "radial direction", "circumferential direction", etc. are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated devices or elements. It must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The camera module 100 according to the embodiment of the present invention is described below with reference to FIG. 1 and FIG. 2 .

The camera module 100 according to the embodiment of the present invention includes: a first lens assembly 10 , a second lens assembly 20 and a driving assembly.

Specifically, the first lens assembly 10 includes a first lens 11, the second lens assembly 20 includes a second lens 21, the first lens 11 and the second lens 21 are movable between the first position and the second position, and the drive assembly It is connected with the first lens 11 to drive the first lens 11 to move. Under the condition that the first lens 11 and the second lens 21 are in the first position, the first lens assembly 10 and the second lens assembly 20 form images respectively. 11 and the second lens 21 are in the second position, the first lens 11 is located on the imaging optical path of the second lens assembly 20 and cooperates with the first lens 11 to form an image.

In other words, the camera module 100 according to the embodiment of the present invention is mainly composed of the first lens assembly 10 and the second lens assembly 20 capable of imaging respectively, and the driving force that drives the first lens assembly 10 and the second lens assembly 20 to move between different states component composition. The first lens assembly 10 includes a first lens 11 that is movable between a first position and a second position. As shown in FIG. 2 , when the first lens 11 is in the first position, the light can pass through the first lens 11 to realize imaging. The second lens assembly 20 includes a second lens 21, which can also move between the first position and the second position, and realizes imaging when the second lens 21 is in the first position. That is to say, the first lens assembly 10 and the second lens assembly 20 may be separately imaged, and the first lens 11 and the second lens 21 may be the same or different lenses, such as a telephoto lens, a wide-angle lens, and the like.

In addition, when the first lens 11 is driven to move by the driving component, as shown in FIG. 1 , the first lens 11 and the second lens 21 are in the second position, and the incident light passes through one of the first lens 11 and the second lens 21, The other one of the first lens 11 and the second lens 21 realizes imaging through the cooperation of the first lens 11 and the second lens 21 .

It should be noted that the driving component includes but is not limited to a motor, and may also be other driving structures capable of realizing the movement of parts or components such as the first lens 11 , such as a driving motor, a driving motor including a driving motor and a transmission mechanism cooperating with the driving motor, etc.

Therefore, according to the camera module 100 of the embodiment of the present invention, the first lens 11 and the second lens 21 are driven to move between the first position and the second position by the driving component, and when the first lens 11 and the second lens 21 When in the first position, the first lens 11 and the second lens 21 can realize imaging separately, and when the first lens 11 and the second lens 21 are in the second position, the first lens 11 and the second lens 21 can cooperate to realize imaging . According to the camera module 100 according to the embodiment of the present invention, on the one hand, the first lens 11 and the second lens 21 can be imaged independently or in combination, so as to realize the requirement of free switching of various actual use scenarios; on the other hand, through the driving component The first lens 11 is driven to be movable between the first position and the second position, and one or more lenses can be shared in various scenarios without adding lenses, which avoids assembling a variety of lenses corresponding to various usage scenarios, saving energy The inner space of the camera module 100 is obtained.

According to an embodiment of the present invention, as shown in FIG. 1 , the camera module 100 further includes a field lens 40 through which the position of the imaging beam can be changed. The field lens 40 is movable between the third position and the fourth position, and the field lens 40 is connected to and driven by the driving assembly. Under the condition that the field lens 40 is in the third position, the field lens 40 is located outside the imaging optical paths of the first lens assembly 10 and the second lens assembly 20 , and will not cause any damage to the imaging optical paths of the first lens assembly 10 and the second lens assembly 20 . put one's oar in. Under the condition that the field lens 40 is in the fourth position, the field lens 40 is located on the imaging optical path of the second lens assembly 20 and cooperates with the first lens 11 and the second lens 21 to form images.

Further, as shown in FIG. 1 , the first lens 11 is a telephoto lens, and the second lens 21 is a wide-angle lens. When the incident light passes through the wide-angle lens and the telephoto lens in turn and cooperates with imaging, the first lens 11 and the second lens 21 can be Be part of a Fraser shot. It should be noted that the Fraser lens is a secondary imaging system, the focal length of the wide-angle lens is very short, and it can achieve super depth of field projection from three-dimensional to two-dimensional. A telephoto lens (with variable aperture and focal length, the same below) is connected to the back of the wide-angle lens to capture the enlarged and intermediate image plane, which can change the primary imaging into the secondary imaging to achieve the effect of large depth of field.

That is to say, the camera module 100 according to the embodiment of the present invention can provide a combination of a wide-angle lens and a telephoto lens according to the principle of the Fraser lens, so as to achieve a large depth of field effect. The camera module 100 according to the embodiment of the present invention can independently realize the functions of wide-angle and telephoto during normal use. When a photo with a large depth of field needs to be taken, the relative positions of the wide-angle lens and the telephoto lens are changed by the driving component to form a free-angle lens. Ze lens mode to achieve large depth of field shooting. Therefore, according to the embodiments of the present invention, the wide-angle lens and the telephoto lens can be used to improve the usage rate of the camera with specific functions, and at the same time, shooting with a large depth of field can be achieved, so that the long-range and close-range shots can be clearly focused at the same time, and the user experience can be improved.

In some specific embodiments of the present invention, as shown in FIG. 1 , under the condition that the field lens 40 is in the fourth position, the field lens 40 is located between the first lens 11 and the second lens 21 . For ease of description, the light incident side of the camera module 100 is referred to as the light incident side. When the first lens 11 is a telephoto lens and the second lens 21 is a wide-angle lens, the incident light can pass through the first lens from the light incident side in order. Two lenses 21 , a field lens 40 and a first lens 11 .

According to an embodiment of the present invention, as shown in FIG. 1 and FIG. 2 , the first lens assembly 10 further includes: a first sensor 12 , under the condition that the first lens 11 and the second lens 21 are in the first position, the first lens The sensor 12 cooperates with the first lens 11 for imaging. The second lens assembly 20 further includes: a second sensor 22. Under the condition that the first lens 11 and the second lens 21 are in the first position, the second sensor 22 cooperates with the second lens 21 to form an image. Under the condition that the two lenses 21 are at the second position and the field lens 40 is at the fourth position, the second sensor 22 cooperates with the first lens 11 , the second lens 21 and the field lens 40 to form an image.

That is to say, when the first lens 11 is in the first position, the first lens 11 and the first sensor 12 cooperate to form an image, and when the second lens 21 is in the first position, the second lens 21 and the second sensor 22 cooperate to form an image, When the first lens 11 and the second lens 21 are in the second position, the first lens 11 , the second lens 21 and the second sensor 22 cooperate to form an image. It should be noted that, the first sensor 12 and the second sensor 22 may be sensors in the prior art, may be separate sensors, or may be sensors with an integrated structure, and their models are not limited. The working principle of the sensor according to the embodiment of the present invention is known to those of ordinary skill in the art, and will not be described in detail here.

Further, as shown in FIG. 1 and FIG. 2 , the driving assembly includes: a first driving member 31 and a second driving member 32 , the first driving member 31 is connected with the first lens 11 to drive the first lens 11 , and the second driving member 32 is connected to the field mirror 40 to drive the field mirror 40 . That is to say, the first lens 11 and the field lens 40 can be driven by the first driving member 31 and the second driving member 32 respectively, which facilitates the spatial arrangement of the first driving member 31 and the second driving member 32 and avoids the first lens 11 It interferes with the movement of the field lens 40 .

According to an embodiment of the present invention, as shown in FIG. 2 , under the condition that the first lens 11 and the second lens 21 are in the first position, the first lens 11 and the second lens 21 are arranged side by side, and the second lens 21 and the second lens 21 are arranged side by side. The distance between the two sensors 22 is smaller than the axial length of the first lens 11 . For convenience of description, it is assumed that the first lens assembly 10 and the second lens assembly 20 extend in the up-down direction. When the first lens 11 and the second lens 21 are in the first position, the first lens 11 and the second lens 21 may be spaced apart in the left-right direction. When the first lens 11 is a telephoto lens and the second lens 21 is a wide-angle lens, by limiting the distance between the second lens 21 and the second sensor 22, it is beneficial for the length of the first lens assembly 10 in the up-down direction and the second lens The length of the assembly 20 in the up-down direction tends to be the same, so as to facilitate processing, production and assembly.

In addition, the driving assembly further includes a third driving member 33, which is connected with the second sensor 22 to adjust the distance between the second sensor 22 and the second lens 21, which can not only improve the degree of automation, but also avoid activities Interference occurs between the first lens 11 and the second sensor 22 between the second lens 21 and the second sensor 22 .

Further, as shown in FIG. 2, under the condition that the first lens 11 and the second lens 21 are in the first position, the first sensor 12 and the second sensor 22 are arranged side by side, and the driving assembly further includes: a fourth driving member 34, The fourth driving member 34 is connected with the first sensor 12 to adjust the distance between the first sensor 12 and the first lens 11 to prevent interference between the first lens 11 and the first sensor 12 during the movement of the first lens 11 .

In some specific embodiments of the present invention, as shown in FIG. 1 and FIG. 2 , the first lens assembly 10 further includes a first protective lens 13 , and the first protective lens 13 is in the first lens 11 and the second lens 21 in the first Under the condition of the position, it is located at the light entrance end of the first lens 11 . The second lens assembly 20 further includes a second protective lens 23 , and the second protective lens 23 is located at the light entrance end of the second lens 21 . That is, by arranging the first protective lens 13 at the light entrance end of the first lens 11 and the second protective lens 23 at the light entrance end of the second lens 21 , dust and water can be prevented from entering the camera module 100 . In addition, the first protective lens 13 and the second protective lens 23 may be transparent or translucent to prevent light from being unable to enter the first lens and the second lens.

The working principle of the camera module 100 according to the embodiment of the present invention will be described below by taking the example that the first lens 11 is a telephoto lens and the second lens 21 is a wide-angle lens.

For convenience of description, it is assumed that the first lens assembly 10 and the second lens assembly 20 extend in the up-down direction.

When the telephoto lens and the wide-angle lens are respectively in the first positions, the telephoto lens is located on the left side of the wide-angle lens, and the two are arranged side by side along the left-right direction. The light is incident from the light-incident side along the direction of the arrow in Fig. 2 . On the one hand, the light can pass through the first protective lens 13 and the telephoto lens in sequence, and converge to the first sensor 12 to realize the telephoto lens shooting. On the other hand, the light can pass through the second protective lens 23 and the wide-angle lens in sequence, and converge to the second sensor 22 to realize the wide-angle lens shooting. It should be noted that, the first lens assembly 10 and the second lens assembly 20 may work simultaneously or independently, which is not limited herein.

When the telephoto lens and the wide-angle lens need to be switched from the first position to the second position, the fourth driving member 34 drives the first sensor 12 to move downward, and the third driving member 33 drives the second sensor 22 to move downward. And through the first driving member 31, the telephoto lens is driven to move downward to the right until it moves below the wide-angle lens and above the second sensor 22, and the second driving member 32 drives the field lens 40 to move leftward to the wide-angle lens and the telephoto lens. between. Finally, the image is received by the second sensor 22, that is, the Fraser lens mode shown in FIG. 1 is realized. Among them, the wide-angle lens has the characteristics of short focal length, large depth of field, close-up zoom, and long-range zoom. Field lens 40 can be placed near the intermediate image and collect marginal rays, reduce vignetting, and magnify the intermediate image. The telephoto lens has the characteristics of long focal length and enlarged intermediate image.

When the telephoto lens and the wide-angle lens need to move from the second position to the first position, the telephoto lens is driven by the first driving member 31 to move upward to the left to the bottom of the first protective lens 13 , and the fourth driving member 34 drives the first protective lens 13 . A sensor 12 moves upward to the initial position, realizing the telephoto lens mode. At the same time, the second driving member 32 drives the field lens 40 to move rightward to the outside of the optical path of the wide-angle lens, and the third driving member 33 drives the second sensor 22 to move upward to the initial position, thus realizing the wide-angle lens mode shown in FIG. 2 .

It should be noted that the working order of the first driving member 31 , the second driving member 32 , the third driving member 33 and the fourth driving member 34 is not limited to the above-mentioned embodiment.

According to an embodiment of the present invention, an electronic device is also provided, including the camera module 100 of any of the above-mentioned embodiments. The camera module 100 can be electrically connected to the main board of the electronic device through a circuit board, thereby realizing the camera module 100. powered by.

The electronic device according to the embodiment of the present invention may be a smart phone, a tablet computer, a wearable device, etc., which is not limited herein.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "exemplary embodiment," "example," "specific example," or "some examples", etc., is meant to incorporate the embodiments A particular feature, structure, material, or characteristic described by an example or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, The scope of the invention is defined by the claims and their equivalents.

Claims (9)

1. The utility model provides a module of making a video recording which characterized in that includes:

the first lens assembly comprises a first lens, the second lens assembly comprises a second lens, and the first lens and the second lens are movable between a first position and a second position;

the driving assembly is connected with the first lens to drive the first lens to move;

a field lens;

when the first lens and the second lens are at the first position, the first lens assembly and the second lens assembly respectively form images;

when the first lens and the second lens are located at the second position, the first lens is located on an imaging light path of the second lens assembly and is matched with the first lens for imaging;

the field lens can move between a third position and a fourth position, and is connected with the driving component and driven by the driving component;

under the condition that the field lens is at the third position, the field lens is positioned outside an imaging optical path of the first lens assembly and the second lens assembly;

and under the condition that the field lens is at the fourth position, the field lens is positioned on an imaging light path of the second lens assembly and is matched with the first lens and the second lens for imaging.

2. The camera module of claim 1, wherein the first lens is a telephoto lens and the second lens is a wide-angle lens.

3. The camera module of claim 2, wherein the field lens is positioned between the first lens and the second lens with the field lens in the fourth position.

4. The camera module of claim 1, wherein the first lens assembly further comprises:

the first sensor is matched with the first lens to form an image when the first lens and the second lens are positioned at the first position;

the second lens assembly further includes:

and the second sensor is matched with the second lens for imaging when the first lens and the second lens are positioned at the first position, and the second sensor is matched with the first lens, the second lens and the field lens for imaging when the first lens and the second lens are positioned at the second position and the field lens is positioned at the fourth position.

5. The camera module of claim 4, wherein the drive assembly comprises:

the first driving piece is connected with the first lens to drive the first lens;

the second driving piece is connected with the field lens to drive the field lens.

6. The camera module of claim 4, wherein when the first lens and the second lens are in the first position, the first lens and the second lens are juxtaposed, and a distance between the second lens and the second sensor is less than an axial length of the first lens,

the drive assembly further includes:

a third driving member connected with the second sensor to adjust a distance between the second sensor and the second lens.

7. The camera module of claim 6, wherein the first sensor is juxtaposed to the second sensor when the first lens and the second lens are in the first position,

the drive assembly further includes:

a fourth driver connected with the first sensor to adjust a distance between the first sensor and the first lens.

8. The camera module of claim 1, wherein the first lens assembly further comprises a first protective lens positioned at a light entrance end of the first lens when the first lens and the second lens are in the first position;

the second lens assembly further comprises a second protective lens, and the second protective lens is located at the light inlet end of the second lens.

9. An electronic device, characterized in that it comprises a camera module according to any one of claims 1-8.

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