CN113791467A

CN113791467A - Lens assembly and shooting equipment with same

Info

Publication number: CN113791467A
Application number: CN202111089508.XA
Authority: CN
Inventors: 黄茵洁; 马宝兴; 徐彭飞
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2021-12-14
Anticipated expiration: 2041-09-16
Also published as: CN113791467B

Abstract

The invention provides a lens component and a shooting device with the same, comprising: a liquid lens including a liquid chamber for storing liquid; a storage chamber for storing a gaseous medium; the two ends of the connecting pipeline are respectively communicated with the storage cavity and the liquid cavity, and the gas medium in the storage cavity is conveyed into the liquid cavity through the connecting pipeline so that the liquid in the liquid cavity changes shape under the pressure action of the gas medium. The invention solves the problems of fixed zoom multiple and lower shooting effect of the lens assembly in the prior art.

Description

Lens assembly and shooting equipment with same

Technical Field

The invention relates to the technical field of image shooting, in particular to a lens assembly and shooting equipment with the same.

Background

With the continuous development of science and technology, people demand image acquisition increasingly, the lens of camera is especially crucial to final image acquisition's result, and wherein, zoom lens have the ability of adjustable focus, can realize imaging to the object of different distances.

The liquid lens is a novel optical element provided according to the bionics principle, is made of a liquid material, changes the refractive index of the liquid or the surface curvature radius, changes the focal length of the liquid lens, and can realize zooming without a mechanical movement device.

However, the existing liquid lens can only realize a fixed-multiple zooming state, and in the shooting process, the problem of inaccurate focusing and fuzzy shot pictures often occur due to the problem of equipment shake, so that the shooting effect is reduced.

Disclosure of Invention

The invention mainly aims to provide a lens assembly and shooting equipment with the same, and aims to solve the problems that in the prior art, the zoom multiple of the lens assembly is fixed and the shooting effect is low.

In order to achieve the above object, according to one aspect of the present invention, there is provided a lens assembly including: a liquid lens including a liquid chamber for storing liquid; a storage chamber for storing a gaseous medium; the two ends of the connecting pipeline are respectively communicated with the storage cavity and the liquid cavity, and the gas medium in the storage cavity is conveyed into the liquid cavity through the connecting pipeline so that the liquid in the liquid cavity changes shape under the pressure action of the gas medium.

Further, the lens assembly further includes: and the control valve is arranged on the connecting pipeline and communicated with the connecting pipeline, and the on-off of the connecting pipeline is controlled by the control valve.

Further, the lens assembly further includes: the heating part, at least part of heating part and the lateral wall laminating of storage chamber to the gaseous medium to in the storage chamber heats, so that gaseous medium passes through connecting tube and escapes to the liquid chamber in.

Further, the heating member includes: the first electrode is attached to the side wall of the storage cavity and is a positive electrode; and the second electrode is attached to the side wall of the storage cavity, the second electrode is a negative electrode, and the first electrode and the second electrode are both connected with a power supply.

Further, liquid lens still includes elastic film, and elastic film encloses into the sap cavity, and the lens subassembly still includes: a mounting case in which the liquid lens is mounted, at least a part of the elastic film being in contact with an inner wall surface of the mounting case; the installation shell is provided with a through hole, and at least part of the connecting pipeline is inserted into the liquid cavity after passing through the through hole.

Further, the lens assembly also comprises a heating component, at least part of the heating component is attached to the side wall of the storage cavity so as to heat the gas medium in the storage cavity; the lens subassembly still includes: the displacement detection component is connected with the mounting shell and is used for detecting the displacement of the mounting shell; and the controller is respectively connected with the heating part and the displacement detection part, and controls the heating part to heat the gas medium according to the detection result of the displacement detection part.

Further, the connecting pipeline is in interference fit with the through hole; alternatively, the connecting conduit is clearance fitted through the aperture.

Further, liquid lens still includes elastic film, and elastic film encloses into the sap cavity, is provided with the clearing hole that is used for supplying the connecting tube to pass through on the elastic film, and the camera lens subassembly still includes: and the sealing part is sleeved on the connecting pipeline and is respectively connected with the connecting pipeline and the hole wall of the through hole.

Furthermore, the liquid lens also comprises an elastic film, the elastic film encloses a liquid cavity, and a through hole for a connecting pipeline to pass through is formed in the elastic film; wherein, the elastic film is connected with the connecting pipeline in a hot melting way.

According to another aspect of the present invention, there is provided a photographing apparatus including a lens assembly, the lens assembly being the lens assembly described above.

By applying the technical scheme of the invention, the lens component comprises a liquid lens, a storage cavity and a connecting pipeline, wherein the liquid lens comprises a liquid cavity for storing liquid; the storage cavity is used for storing gas media, two ends of the connecting pipeline are respectively communicated with the storage cavity and the liquid cavity, and the gas media in the storage cavity are conveyed into the liquid cavity through the connecting pipeline so that the liquid in the liquid cavity changes shape under the pressure action of the gas media. Therefore, the pressure intensity in the liquid cavity is increased by introducing the gas medium into the liquid cavity, the liquid is extruded by the pressure intensity, the form of the liquid in the liquid cavity is changed, the surface curvature of the liquid lens is further changed, the focusing effect of the lens is changed, zooming of any multiple can be adjusted by the pressure intensity of the gas medium introduced into the liquid cavity, and meanwhile, when the lens shakes, the surface curvature of the liquid lens can be displaced by the flowing state of the gas medium in the liquid cavity, the focusing point of the lens is changed, and the lens moving amplitude generated by shaking is compensated.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 illustrates a first state diagram of an embodiment of a lens assembly according to the present invention;

FIG. 2 illustrates a second state diagram of an embodiment of a lens assembly according to the present invention; and

fig. 3 shows a third state diagram of an embodiment of a lens arrangement according to the invention.

Wherein the figures include the following reference numerals:

1. a liquid lens; 10. an elastic film; 11. a liquid chamber; 2. a storage chamber; 3. connecting a pipeline; 4. a control valve; 5. a heating member; 51. a first electrode; 52. a second electrode; 6. and (5) installing the shell.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The present invention provides a lens assembly, please refer to fig. 1 to 3, including: a liquid lens 1, the liquid lens 1 including a liquid chamber 11 for storing liquid; a storage chamber 2 for storing a gaseous medium; connecting tube 3, connecting tube 3's both ends communicate with storage chamber 2 and liquid chamber 11 respectively, and the gaseous medium in the storage chamber 2 passes through connecting tube 3 and carries to liquid chamber 11 in to make the liquid in the liquid chamber 11 change the form under gaseous medium's pressure effect.

The lens assembly provided by the invention comprises a liquid lens 1, a storage cavity 2 and a connecting pipeline 3, wherein the liquid lens 1 comprises a liquid cavity 11 for storing liquid; the storage cavity 2 is used for storing gas media, two ends of the connecting pipeline 3 are respectively communicated with the storage cavity 2 and the liquid cavity 11, and the gas media in the storage cavity 2 are conveyed into the liquid cavity 11 through the connecting pipeline 3, so that the liquid in the liquid cavity 11 changes shape under the pressure action of the gas media. Therefore, the pressure intensity in the liquid cavity 11 is increased by introducing the gas medium into the liquid cavity 11, and the liquid is extruded by the pressure intensity, so that the form of the liquid in the liquid cavity 11 is changed, for example, the liquid is extruded into a fan ring shape from a water drop shape, and further the surface curvature of the liquid lens is changed, thereby achieving the effect of changing the focusing of the lens, and the zooming of any multiple can be adjusted by the pressure intensity of the gas medium introduced into the liquid cavity 11.

It should be noted that, in the liquid lens, the liquid is used as a lens, and the focal length is changed by changing the curvature of the liquid, in the present invention, the liquid is stored in a liquid cavity enclosed by the elastic film 10, and when a gas medium is introduced into the liquid cavity, the form of the liquid is also changed, thereby achieving the purpose of adjusting the focal length. Preferably, the gaseous medium is an inert gas.

In order to prevent the liquid in the liquid chamber 11 from flowing back into the storage chamber 2, the lens assembly further includes: the control valve 4 is arranged on the connecting pipeline 3, is communicated with the connecting pipeline 3 and controls the connection and disconnection of the connecting pipeline 3 through the control valve 4; wherein, the control valve 4 is an electromagnetic valve or a two-way gas valve, and can recycle gas in the liquid cavity 11. Thus, during normal shooting, as shown in fig. 1, the control valve 4 is closed, and the liquid in the liquid chamber 11 is in an initial state; when the focusing effect needs to be adjusted, as shown in fig. 2 and 3, the control valve 4 is opened, the gaseous medium escapes directly into the liquid chamber 11, and the liquid in the liquid chamber 11 changes in form, resulting in a change in the curvature of the liquid surface.

In a specific implementation process, the lens assembly further includes: and the heating part 5, at least part of the heating part 5 is attached to the side wall of the storage cavity 2 to heat the gas medium in the storage cavity 2, so that the gas medium escapes into the liquid cavity 11 through the connecting pipeline 3. Specifically, the lens subassembly still includes the heat conduction shell, and storage chamber 2 is located the heat conduction shell, will heat block 5 and the laminating of heat conduction shell, through the heat conduction shell with heat transfer to gaseous medium in, heat gaseous medium, gaseous medium is heated the inflation in the heating process, flows to liquid chamber 11 in through connecting tube 3.

In the embodiment provided by the present invention, the heating member 5 includes: the first electrode 51 is attached to the side wall of the storage cavity 2, and the first electrode 51 is a positive electrode; and the second electrode 52 is attached to the side wall of the storage cavity 2, the second electrode 52 is a negative electrode, and the first electrode 51 and the second electrode 52 are both connected with a power supply. In this way, the first electrode 51 and the second electrode 52 can be directly powered by the power supply, and the current in the first electrode 51 and the second electrode 52 generates a magnetic field to heat the gaseous medium in the storage chamber 2.

In another embodiment of the present invention, the heating member 5 is a heating wire spirally disposed in the storage chamber 2, and the gaseous medium is heated by energizing the heating wire.

Further, in order to improve the shooting effect, the liquid lens 1 further includes an elastic film 10, the elastic film 10 encloses a liquid chamber 11, and the lens assembly further includes: a mounting case 6 in which the liquid lens 1 is mounted, at least a part of the elastic film 10 being in contact with an inner wall surface of the mounting case 6; the mounting housing 6 is provided with a through hole, and at least part of the connecting pipe 3 is inserted into the liquid chamber 11 after passing through the through hole. Carry on spacingly to elastic membrane 10 through installation casing 6, avoid elastic membrane 10 to let in-process transition deformation at gaseous medium, let in the in-process at gaseous medium, elastic membrane 10 inflation, lead to the volume increase in the liquid cavity 11, and the volume of liquid is unchangeable, utilize the extrusion of gaseous medium to liquid, make liquid flow in liquid cavity 11, change the form of liquid, can also avoid liquid lens 1's whole emergence displacement to lead to unable accurate focusing simultaneously, the job stabilization nature of liquid lens 1 has been improved.

Specifically, the lens assembly further comprises a heating component 5, at least part of the heating component 5 is attached to the side wall of the storage cavity 2 to heat the gas medium in the storage cavity 2; the lens subassembly still includes: a displacement detecting member connected to the mounting case 6, for detecting a displacement of the mounting case 6 by the displacement detecting member; and the controller is respectively connected with the heating part 5 and the displacement detection part, and controls the heating part 5 to heat the gas medium according to the detection result of the displacement detection part. The displacement detected by the displacement detection component is in direct proportion to the heating temperature of the heating component 5 to the gas medium, the larger the displacement is, the larger the vibration amplitude is, and meanwhile, the heating temperature to the gas medium is increased, so that the gas medium flows in the liquid cavity 11 quickly, the curvature of the liquid surface in the liquid cavity 11 is caused to displace, the focusing point of the lens is changed, and the displacement caused by vibration is compensated. Preferably, the displacement detecting means is a gravity sensor or a gyroscope.

In order to avoid the elastic film 10 from driving the connecting pipeline 3 to displace in the deformation process, the connecting pipeline 3 is in interference fit with the through hole; alternatively, when the elastic membrane 10 is fixedly connected to the connecting duct 3, the connecting duct 3 is clearance-fitted through the hole, so that the connecting duct 3 can move with the elastic membrane 10. Preferably, the connecting pipe 3 is made of plastic, and the connecting pipe 3 is telescopically arranged.

Specifically, the liquid lens 1 further includes an elastic film 10, the elastic film 10 encloses a liquid chamber 11, a through hole for the connection pipe 3 to pass through is provided on the elastic film 10, and the lens assembly further includes: and the sealing component is sleeved on the connecting pipeline 3 and is respectively connected with the connecting pipeline 3 and the hole wall of the through hole. Preferably, the sealing member is a rubber ring, the rubber ring has a certain amount of elastic deformation, and in the process of deformation of the elastic membrane 10, the rubber ring maintains the connection stability between the connecting pipeline 3 and the elastic membrane 10, so as to avoid liquid leakage in the liquid chamber 11.

In the embodiment provided by the invention, in order to improve the sealing performance of the joint of the connecting pipeline 3 and the elastic film 10, the liquid lens 1 further comprises the elastic film 10, the elastic film 10 encloses a liquid cavity 11, and the elastic film 10 is provided with a through hole for the connecting pipeline 3 to pass through; wherein the elastic film 10 and the connecting pipeline 3 are connected by hot melting.

The invention also provides shooting equipment comprising the lens assembly, wherein the lens assembly is the lens assembly of the embodiment.

In the process of practical application, as the storage cavity 2 for storing gas is communicated with the liquid cavity 11 through the connecting pipeline 3, the storage cavity 2 can be arranged at any position, and the gas medium is directly introduced into the liquid cavity 11 and flows in the liquid, the liquid form can be directly changed, and meanwhile, the installation shell 6 limits the elastic film 10, so that the problem that the elastic film 10 is displaced due to the impact of the too high flow rate of the gas medium on the elastic film 10 is avoided, and the shooting effect is improved.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

the lens assembly provided by the invention comprises a liquid lens 1, a storage cavity 2 and a connecting pipeline 3, wherein the liquid lens 1 comprises a liquid cavity 11 for storing liquid; the storage cavity 2 is used for storing gas media, two ends of the connecting pipeline 3 are respectively communicated with the storage cavity 2 and the liquid cavity 11, and the gas media in the storage cavity 2 are conveyed into the liquid cavity 11 through the connecting pipeline 3, so that the liquid in the liquid cavity 11 changes shape under the pressure action of the gas media. Therefore, the pressure intensity in the liquid cavity 11 is increased by introducing the gas medium into the liquid cavity 11, the liquid is extruded by the pressure intensity, the form of the liquid in the liquid cavity 11 is changed, the surface curvature of the liquid lens is further changed, the focusing effect of the lens is changed, zooming of any multiple can be adjusted by the pressure intensity of the gas medium introduced into the liquid cavity 11, and meanwhile, when the lens shakes, the surface curvature of the liquid lens can be displaced by utilizing the flowing state of the gas medium in the liquid cavity 11, the focusing point of the lens is changed, and the lens moving amplitude generated by shaking is compensated.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A lens assembly, comprising:

a liquid lens (1), the liquid lens (1) comprising a liquid chamber (11) for storing a liquid;

a storage chamber (2) for storing a gaseous medium;

connecting tube (3), the both ends of connecting tube (3) respectively with storage chamber (2) with liquid chamber (11) intercommunication, the gaseous medium in storage chamber (2) passes through connecting tube (3) carry extremely in liquid chamber (11), so that liquid in liquid chamber (11) is in the pressure effect of gaseous medium changes the form.

2. The lens assembly of claim 1, further comprising:

and the control valve (4) is arranged on the connecting pipeline (3), and a water outlet of the control valve (4) is communicated with the storage cavity (2) through the connecting pipeline (3).

3. The lens assembly of claim 1, further comprising:

the heating part (5), at least part of the heating part (5) is attached to the side wall of the storage cavity (2) to heat the gas medium in the storage cavity (2), so that the gas medium in the storage cavity (2) escapes into the liquid cavity (11) through the connecting pipeline (3).

4. Lens assembly according to claim 3, characterized in that said heating means (5) comprise:

the first electrode (51) is attached to the side wall of the storage cavity (2), and the first electrode (51) is a positive electrode;

and the second electrode (52) is attached to the side wall of the storage cavity (2), the second electrode (52) is a negative electrode, and the first electrode (51) and the second electrode (52) are both connected with a power supply.

5. The lens arrangement according to claim 1, characterized in that the liquid lens (1) further comprises an elastic membrane (10), the elastic membrane (10) enclosing the liquid chamber (11), the lens arrangement further comprising:

a mounting case (6) in which the liquid lens (1) is mounted, at least a part of the elastic film (10) being in contact with an inner wall surface of the mounting case (6);

the mounting shell (6) is provided with a through hole, and at least part of the connecting pipeline (3) is inserted into the liquid cavity (11) after passing through the through hole.

6. The lens assembly of claim 5, further comprising a heating member (5), at least a portion of the heating member (5) being attached to a side wall of the storage chamber (2) to heat a gaseous medium within the storage chamber (2); the lens assembly further includes:

a displacement detection means connected to the mounting case (6) for detecting a displacement of the mounting case (6);

and the controller is respectively connected with the heating part (5) and the displacement detection part, and controls the heating temperature of the gas medium by the heating part (5) according to the detection result of the displacement detection part.

7. The lens assembly of claim 5, wherein the connecting conduit (3) is an interference fit with the through hole; or the like, or, alternatively,

the connecting pipe (3) is in clearance fit with the through hole.

8. The lens assembly according to any one of claims 1 to 4, wherein the liquid lens (1) further comprises an elastic membrane (10), the elastic membrane (10) enclosing the liquid chamber (11), the elastic membrane (10) being provided with a through hole for passing the connecting conduit (3), the lens assembly further comprising:

and the sealing component is sleeved on the connecting pipeline (3) and is respectively connected with the connecting pipeline (3) and the hole wall of the through hole.

9. The lens assembly according to any one of claims 1 to 4, characterized in that the liquid lens (1) further comprises an elastic membrane (10), the elastic membrane (10) encloses the liquid chamber (11), and a through hole for passing the connecting pipe (3) is arranged on the elastic membrane (10);

wherein the elastic film (10) and the connecting pipeline (3) are connected by hot melting.

10. A photographing apparatus comprising a lens assembly, wherein the lens assembly is the lens assembly of any one of claims 1 to 9.