CN110881100A

CN110881100A - Lens module

Info

Publication number: CN110881100A
Application number: CN201911414194.9A
Authority: CN
Inventors: 刘羽鹏; 原国际; 钱戈; 俞梦飞
Original assignee: Huaqin Telecom Technology Co Ltd
Current assignee: Huaqin Telecom Technology Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-03-13

Abstract

The invention discloses a lens module, which comprises a lens module, a lens module and a lens module, wherein the lens module comprises an auxiliary chip, an auxiliary shooting lens group and a switching mechanism; the auxiliary shooting lens group comprises at least two auxiliary shooting lenses; the switching mechanism is used for switching and moving one of the auxiliary photographic lenses to a specified position, and the specified position corresponds to the mounting position of the auxiliary chip; and the auxiliary chip is used for imaging the first light beam collected by the auxiliary camera lens positioned at the specified position. The invention provides a lens module, which realizes a multi-camera function based on a secondary chip and reduces the production cost. In addition, the lens module is compactly arranged, so that the occupied space is saved, and the overlarge volume of the mobile phone is avoided, thereby meeting the current market demand.

Description

Lens module

Technical Field

The invention relates to the technical field of cameras, in particular to a lens module.

Background

The appearance of the first camera mobile phone brings qualitative leap to the life of people, and along with the rapid development of the camera technology, the appearance of the mobile phone with the double camera functions brings richer shooting experience to people.

Many manufacturers today have not only satisfied bi-shot technology, but have begun to move toward multi-shot technology. In the mobile phone with the multi-camera function, one main camera is responsible for framing, and the auxiliary camera is responsible for auxiliary imaging, such as zooming, light inlet quantity increasing, color adjustment, detail adjustment and the like. If multiple effects of photography need to be integrated in one mobile phone, multiple secondary cameras and secondary chips need to be additionally configured for the mobile phone to be paired, so that the size of the mobile phone is inevitably overlarge, which is contrary to the current market demand trend of lightness and thinness, and the cost of the mobile phone is undoubtedly increased by the arrangement of the multiple secondary chips.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a lens module, which solves the problems of overlarge volume and increased cost of a mobile phone caused by the addition of multiple shooting functions in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions:

a lens module comprises a secondary chip, an auxiliary lens group and a switching mechanism;

the auxiliary shooting lens group comprises at least two auxiliary shooting lenses;

the switching mechanism is used for switching and moving one of the auxiliary photographic lenses to a specified position, and the specified position corresponds to the mounting position of the auxiliary chip;

and the auxiliary chip is used for imaging the first light beam collected by the auxiliary camera lens positioned at the specified position.

Optionally, the system further comprises a main shooting module;

the main shooting module comprises a main chip and a main shooting lens, and the main shooting lens is used for collecting a second light beam and emitting the second light beam into the main chip for imaging.

Optionally, each auxiliary shooting lens and the designated position are arranged according to the same circumference;

and the switching mechanism is used for switching and controlling each auxiliary shooting lens according to a circular switching path.

Optionally, the switching mechanism includes a driving rotating member and a driven rotating member, and the driving rotating member is engaged with the driven rotating member.

Optionally, the driving rotating member and the driven rotating member form an external gear set;

the driven rotating piece is an annular body, and the main shooting module is arranged in the middle of the driven rotating piece;

the driven rotating part is in a hollow cylinder shape, and the auxiliary shooting lens is fixedly arranged on the inner wall of the driven rotating part.

Optionally, the driving rotating member and the driven rotating member form an internal gear set;

the driven rotating part is annularly sleeved outside the driving rotating part, and the driven rotating part is coaxial with the driving rotating part;

the driving rotating piece is an annular body, and the main shooting module is arranged in the middle of the driving rotating piece;

Optionally, the device further comprises an auxiliary shooting chip mechanism for mounting the secondary chip, wherein the auxiliary shooting chip mechanism comprises a PCB board and an optical filter;

the auxiliary chip is arranged on the PCB; the PCB is provided with a support, the optical filter is arranged on the support, and the auxiliary chip is positioned between the optical filter and the PCB.

Optionally, the auxiliary shooting lens is an infrared lens, a telephoto lens, a wide-angle lens, a macro lens, an ultraviolet lens or a zoom lens.

The invention also provides electronic equipment, which comprises the lens module and a control module;

the main shooting module and the auxiliary shooting module are electrically connected with the control module, and the control module is used for fusing the images in the main shooting module and the auxiliary shooting module.

Compared with the prior art, the invention has the following beneficial effects:

the invention provides a lens module, which realizes a multi-shooting function based on one sub-chip, and saves the use of a plurality of sub-chips, thereby reducing the production cost.

In addition, the switching mechanism is arranged to rotate so as to select one of the auxiliary shooting lenses to align to the auxiliary chip and match with the auxiliary shooting lens, so that the lens module is compactly arranged, the occupied space is saved, and the phenomenon that the volume of the mobile phone is overlarge due to the addition of a plurality of lenses is avoided, so that the mobile phone can meet the current market demand.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a lens module according to the present invention;

FIG. 2 is a schematic cross-sectional view of a lens module according to the present invention;

FIG. 3 is a schematic view of another structure of a lens module according to the present invention

Fig. 4 is a partial schematic view of a lens module according to the present invention;

fig. 5 is a schematic structural diagram of an auxiliary pickup chip mechanism in a lens module according to the present invention.

In the above figures: 10. a main shooting module; 11. a main shooting lens; 12. a main chip; 20. an auxiliary shooting module; 21. an auxiliary camera lens; 22. an auxiliary shooting chip mechanism; 221. a sub-chip; 222. a PCB board; 223. a support; 224. an optical filter; 231. a driving rotating member; 232. a driven rotary member; 2321. and (6) gluing.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the referred devices or elements must have the specific orientations, be configured to operate in the specific orientations, and thus are not to be construed as limitations of the present invention.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

The invention provides a lens module, which comprises a main shooting module 10 and an auxiliary shooting module 20 which are arranged on a supporting surface.

In this embodiment, the lens module is applied to a smart phone, so the supporting surface can be the inner wall of the housing of the smart phone, or can be a support such as a supporting frame additionally arranged in the smart phone, and is not limited herein.

Referring to fig. 1 and 2, the main camera module 10 includes a main chip 12 and a main camera lens 11, and the main camera lens 11 is used for collecting the second light beam and emitting the second light beam into the main chip 12 for imaging.

The auxiliary photographing module 20 includes a sub chip 221, a switching mechanism and an auxiliary photographing lens group.

The auxiliary shooting lens group comprises at least two auxiliary shooting lenses 21; the switching mechanism is configured to switch and move one of the auxiliary lenses 21 to a predetermined position corresponding to the mounting position of the sub chip 221; the sub chip 221 is configured to image the first light beam collected by the auxiliary camera lens 21 located at a specific position.

In one optional implementation manner of the present embodiment, each auxiliary photographic lens 21 is arranged in the same circumference as the designated position; the switching mechanism performs switching control of each sub-lens 21 in accordance with a circular switching path.

In another alternative embodiment of this embodiment, each auxiliary lens 21 may also be arranged in a rectangular shape, a polygonal shape, or even an irregular shape, as long as the switching mechanism can drive the auxiliary lens group to move according to a specific switching path, so as to select one of the auxiliary lenses 21 to move to a specific position to cooperate with the auxiliary chip 221.

The present embodiment further describes the switching mechanism by taking as an example that the auxiliary lenses 21 are arranged in the same circumference.

In this embodiment, the switching mechanism includes a driving rotary member 231 and a driven rotary member 232, and the driving rotary member 231 is engaged with the driven rotary member 232.

Referring to fig. 1 and 2, in an alternative embodiment of the present embodiment, the driving rotary member 231 and the driven rotary member 232 constitute a ring gear set; the driving rotating member 231 is an external gear, and the driven rotating member 232 is an annular sleeve and is sleeved outside the driving rotating member 231, so that the driven rotating member 232 and the driving rotating member 231 are coaxial.

In this embodiment, in order to ensure the compactness of the arrangement between the main shooting module 10 and the sub shooting module 20, the active rotating member 231 is a ring-shaped body, and the main shooting module 10 is disposed in the middle of the active rotating member 231, so that the main shooting module 10 does not follow the rotation when the active rotating member 231 rotates.

The driven rotating member 232 is a hollow cylinder, the auxiliary shooting lens 21 is fixedly arranged on the inner wall of the driven rotating member 232, and the auxiliary shooting lens 21 is fixedly connected with the driven rotating member 232 through the adhesive 2321.

When the driving rotary member 231 is driven to rotate by the rotary driving member, the driven rotary member 232 and the driving rotary member 231 rotate coaxially, so as to realize the switching use of the auxiliary photographing lens 21.

Referring to fig. 3, in another alternative embodiment of the present embodiment, the driving rotary member 231 and the driven rotary member 232 form an external gear set; the driving rotary member 231 is an external gear, and the driven rotary member 232 is an annular sleeve having an external gear.

Specifically, the driven rotating member 232 is a ring-shaped body, and the main shooting module 10 is disposed in the middle of the driven rotating member 232, so that when the driven rotating member 232 rotates, the main shooting module 10 does not follow the rotation. The foregoing structure can ensure compactness of arrangement between the main shooting module 10 and the sub-shooting module 20.

In this embodiment, when the driving rotary member 231 is driven to rotate by the rotary driving member, the driving rotary member 231 drives the driven rotary member 232 to rotate under the driving action of the external engagement connection relationship, so as to switch the auxiliary camera lens 21 engaged with the auxiliary chip 221.

Further, the active rotator 231 may be controlled by a signal to rotate itself; in addition, the driving rotation member 231 may also be disposed at a driving end of a rotation driving member, and the driving rotation member 231 is driven to rotate by the rotation driving member; the rotary drive may be a rotary motor.

Based on the above embodiment, the auxiliary lens group includes eight auxiliary lenses 21, and the auxiliary lenses 21 are arranged at equal intervals on the switching mechanism.

Further, the auxiliary camera lens 21 is an infrared lens, a telephoto lens, a wide-angle lens, a macro lens, an ultraviolet lens, or a zoom lens.

Specifically, the infrared camera may adopt a lens of 850nm, 910nm, 940nm or 1300nm in wavelength; the long-focus lens can reach 2 times, 3 times, 5 times or even 10 times of focal length by matching with the main shooting module 10; the wide-angle lens can be a lens with a visual angle more than or equal to 100 degrees, and is more suitable for shooting pictures of larger scenes such as buildings, landscapes and the like; the macro lens can realize the photographing distance with the nearest distance of 2.5CM, and can be used for photographing very fine objects such as flowers, insects and the like; the ultraviolet lens can select ultraviolet wavelength less than or equal to 400nm, is suitable for shooting in environments such as seaside, mountain land, snowfield and open area, and can weaken blue tone caused by ultraviolet; the zoom lens is a lens capable of realizing optical zooming.

It is to be understood that the types of the auxiliary taking lens 21 are not limited to the above listed lens types, and other types of lenses can be selected, which are not necessarily exhaustive.

Referring to fig. 4 and 5, the sub camera module further includes a sub camera chip mechanism 22 for mounting the sub chip 221. The auxiliary shooting chip mechanism 22 is positioned between the switching mechanism and the supporting surface and comprises a PCB 222 and an optical filter 224; the PCB 222 is fixed on the supporting surface, a support 223 is disposed thereon, the filter 224 is disposed on the support 223, the sub-chip 221 is disposed on the surface of the PCB 222, and the sub-chip 221 is located between the filter 224 and the PCB 222.

Based on the foregoing embodiments, the present embodiment provides an electronic device, including the lens module provided in the foregoing embodiments, and further including a control module; the control module may be disposed on the support surface, or may be disposed at a position other than the support surface, as long as it can be electrically connected to the main shooting module 10 and the auxiliary shooting module 20.

The main shooting module 10 and the auxiliary shooting module 20 are both electrically connected with a control module, and the control module is used for carrying out fusion processing on the images in the main shooting module 10 and the auxiliary shooting module 20.

The control module is further used for electrically connecting the driving rotating member 231 and controlling the driving rotating member 231 to rotate by itself through a signal; in addition, the control module can also drive the driving rotary member 231 to rotate by controlling the rotary driving member to rotate.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A lens module is characterized by comprising a secondary chip, an auxiliary lens group and a switching mechanism;

2. The lens module as claimed in claim 1, further comprising a main lens module;

3. The lens module as claimed in claim 2, wherein each of the auxiliary lenses is arranged along the same circumference as the designated position;

4. The lens module as claimed in claim 3, wherein the switching mechanism comprises a driving rotary member and a driven rotary member, and the driving rotary member is engaged with the driven rotary member.

5. The lens module as claimed in claim 4, wherein the driving rotary member and the driven rotary member constitute an external gear set;

6. The lens module as claimed in claim 4, wherein the driving rotator and the driven rotator constitute an internal gear set;

7. The lens module as claimed in claim 1, further comprising a sub-pickup chip mechanism for mounting the sub-chip, the sub-pickup chip mechanism including a PCB board and an optical filter;

8. The lens module as recited in claim 1, wherein the auxiliary lens is an infrared lens, a telephoto lens, a wide-angle lens, a macro lens, an ultraviolet lens, or a zoom lens.

9. An electronic device, comprising the lens module according to any one of claims 1 to 8, and further comprising a control module;