CN113810569B - Lenses and mobile terminal devices - Google Patents
Lenses and mobile terminal devices Download PDFInfo
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- CN113810569B CN113810569B CN202110911940.6A CN202110911940A CN113810569B CN 113810569 B CN113810569 B CN 113810569B CN 202110911940 A CN202110911940 A CN 202110911940A CN 113810569 B CN113810569 B CN 113810569B
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- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims description 33
- 238000006073 displacement reaction Methods 0.000 claims description 30
- 230000006698 induction Effects 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000035515 penetration Effects 0.000 claims 1
- 230000004044 response Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
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Abstract
本发明公开一种镜头和移动终端设备，其中，镜头包括底座、移动群和磁力驱动机构，移动群设于底座，移动群包括相对底座可活动地设置的第一对焦组件，磁力驱动机构包括电源、磁力发生组件和磁力感应组件，底座设有磁力发生组件和磁力感应组件其中之一，第一对焦组件设有磁力发生组件和磁力感应组件其中另一，电源与磁力发生组件和磁力感应组件中的至少其中之一电性连接。本发明提供的技术方案中，通过在通电的情况下，磁力发生组件和磁力感应组件之间产生安培力，移动群被驱动，在移动群受到外力作用时，因磁力发生组件和磁力感应组件之间为柔性驱动，两者之间不存在硬干涉，以解决现有的镜头在受到外部的按压力时，镜头容易损坏的问题。
The present invention discloses a lens and a mobile terminal device, wherein the lens includes a base, a moving group and a magnetic driving mechanism, the moving group is arranged on the base, the moving group includes a first focusing assembly movably arranged relative to the base, the magnetic driving mechanism includes a power supply, a magnetic generating assembly and a magnetic sensing assembly, the base is provided with one of the magnetic generating assembly and the magnetic sensing assembly, the first focusing assembly is provided with the other of the magnetic generating assembly and the magnetic sensing assembly, and the power supply is electrically connected to at least one of the magnetic generating assembly and the magnetic sensing assembly. In the technical solution provided by the present invention, the moving group is driven by generating an Ampere force between the magnetic generating assembly and the magnetic sensing assembly when power is turned on, and when the moving group is acted upon by an external force, since the magnetic generating assembly and the magnetic sensing assembly are flexibly driven, there is no hard interference between the two, so as to solve the problem that the existing lens is easily damaged when subjected to external pressing force.
Description
Technical Field
The present invention relates to the field of mobile devices, and in particular, to a lens and a mobile terminal device.
Background
When the telescopic mobile phone is used, the lens frame can be telescopic when the lens of the mobile phone is zoomed and focused, the driving mode of driving the lens to be telescopic generally adopts a hard-driving pop-up driving mode, and when the pressing problem is faced, such as when the mobile phone falls down to the ground carelessly, if the protruding lens is impacted, the protruding part of the lens cannot be retracted in time, so that the lens can be easily damaged.
Disclosure of Invention
The invention mainly aims to provide a lens and mobile terminal equipment, and aims to solve the problem that the existing lens is easy to damage when the existing lens is pressed by external pressure.
In order to achieve the above object, the present invention provides a lens for a mobile terminal device, wherein the lens includes:
A base;
the moving group is arranged on the base and comprises a first focusing component which is movably arranged relative to the base, and
The magnetic driving mechanism comprises a power supply, a magnetic generating assembly and a magnetic induction assembly;
the base is provided with one of the magnetic force generating component and the magnetic force sensing component, the first focusing component is provided with the other of the magnetic force generating component and the magnetic force sensing component, the power supply is electrically connected with at least one of the magnetic force generating component and the magnetic force sensing component, so that ampere force is generated between the magnetic force generating component and the magnetic force sensing component when the power supply is conducted with the magnetic force generating component and/or the magnetic force sensing component, and the first focusing component is driven to move away from the base along the light transmission direction.
Optionally, the moving group further includes a second focusing component, where the second focusing component is disposed on the base and is movably disposed relative to the first focusing component;
the first focusing assembly is provided with one of the magnetic force generating assembly and the magnetic force sensing assembly, the second focusing assembly is provided with the other of the magnetic force generating assembly and the magnetic force sensing assembly, the power supply is electrically connected with at least one of the magnetic force generating assembly and the magnetic force sensing assembly, so that ampere force is generated between the magnetic force generating assembly and the magnetic force sensing assembly when the power supply is conducted to the magnetic force generating assembly and/or the magnetic force sensing assembly, and the second focusing assembly is driven to move away from the first focusing assembly and along the light transmission direction.
Optionally, the magnetic force generating component includes a first coil, and the power supply is electrically connected with the first coil, so that when the power supply turns on the first coil, the first coil generates a magnetic field;
The magnetic force induction assembly includes a second coil.
Optionally, the magnetic force generating component comprises a magnet, and the magnet is arranged on the base;
the magnetic force induction assembly includes an induction coil.
Optionally, the base is cylindrical, the moving group is sleeved in the base, the magnetic force generating assembly further comprises a magnetic yoke arranged on the inner side wall of the base, the magnetic yoke extends along the light transmission direction and is provided with a channel along the circumferential direction of the base, and the magnetic yoke comprises a first side wall and a second side wall which are oppositely arranged in the inner and outer directions of the lens;
the magnet is arranged on the inner side of the first side wall, the induction coil is wound on the second side wall and is slidably arranged along the light transmission direction, and the induction coil is fixedly connected with the first focusing assembly.
Optionally, the first focusing assembly comprises a first movable sleeve;
The bottom wall of the base is provided with a first extending part in a protruding mode along the radial direction of the base, the first extending part is arranged between the base and the first movable sleeve, the outer side wall of the first movable sleeve is provided with at least one first connecting part in a protruding mode along the radial direction of the first movable sleeve, and the first connecting part is provided with a guide structure;
the lens further comprises at least one first guide post, each first guide post extends along the light transmission direction, one end of each first guide post is fixedly connected with the first extension part, and the other end of each first guide post is slidably connected with the corresponding guide structure of the first connecting part.
Optionally, the guiding structure is a first guiding hole formed by penetrating each first connecting portion along the light transmission direction, and each first guiding hole is respectively and correspondingly arranged on each first guiding column one by one, so that the corresponding first guiding column is penetrated.
Optionally, the second focusing assembly comprises a second movable sleeve;
the bottom wall of the first movable sleeve is provided with a second extending part in a protruding mode along the radial direction of the first movable sleeve, the second extending part is arranged between the first movable sleeve and the second movable sleeve, the outer side wall of the second movable sleeve is provided with at least one second connecting part in a protruding mode along the radial direction of the second movable sleeve, and the second connecting part is provided with a second guide hole in a penetrating mode along the light transmission direction;
The lens further comprises at least one second guide post, each second guide post extends along the light transmission direction, one end of each second guide post is fixedly connected with the second extension part, and the other end of each second guide post is slidably connected with the corresponding second guide hole.
Optionally, the lens further includes a controller, a first displacement sensor and a second displacement sensor, where the first displacement sensor is configured to detect a first displacement signal of the first focusing component, the second displacement sensor is configured to detect a second displacement signal of the second focusing component, and the controller is electrically connected to the first displacement sensor, the second displacement sensor and the magnetic force generating component or the magnetic force sensing component, so as to drive the corresponding magnetic force generating component or the magnetic force sensing component to displace according to the first displacement signal, and drive the corresponding magnetic force generating component or the magnetic force sensing component to displace according to the second displacement signal.
The invention also provides mobile terminal equipment, which comprises the lens, wherein the lens comprises the following components:
A base;
the moving group is arranged on the base and comprises a first focusing component which is movably arranged relative to the base, and
The magnetic driving mechanism comprises a power supply, a magnetic generating assembly and a magnetic induction assembly;
the base is provided with one of the magnetic force generating component and the magnetic force sensing component, the first focusing component is provided with the other of the magnetic force generating component and the magnetic force sensing component, the power supply is electrically connected with at least one of the magnetic force generating component and the magnetic force sensing component, so that ampere force is generated between the magnetic force generating component and the magnetic force sensing component when the power supply is conducted with the magnetic force generating component and/or the magnetic force sensing component, and the first focusing component is driven to move away from the base along the light transmission direction.
According to the technical scheme provided by the invention, the magnetic driving mechanism is arranged between the moving group and the base, and comprises a power supply, a magnetic force generating component and a magnetic force sensing component, wherein the power supply is electrically connected with at least one of the magnetic force generating component and the magnetic force sensing component, so that ampere force is generated between the magnetic force generating component and the magnetic force sensing component under the condition that the magnetic force generating component and the magnetic force sensing component are electrified, and the moving group is arranged on one of the magnetic force generating component and the magnetic force sensing component, so that the first focusing component is driven by the ampere force, is far away from the base and moves along the light transmission direction. Through setting up magnetic force actuating mechanism for under the condition of circular telegram, produce ampere force between magnetic force generating component and the magnetic force response subassembly, remove the crowd and can be by magnetic force generating component or magnetic force response subassembly drive activity, because of through flexible drive's mode between magnetic force generating component and the magnetic force response subassembly, receive external force action at removing the crowd, can not exist between magnetic force generating component and the magnetic force response subassembly and interfere, in order to solve current camera lens when receiving outside pressing force, the problem that the camera lens is easy damaged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top view of an embodiment of a lens according to the present invention;
FIG. 2 is a front view of the lens of FIG. 1;
FIG. 3 is a schematic view of a portion of the lens in FIG. 1;
FIG. 4 is a cross-sectional view of A-A of FIG. 1;
Fig. 5 is a cross-sectional view of B-B of fig. 2.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear are referred to in the embodiments of the present invention), the directional indications are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
When the telescopic mobile phone is used, the lens frame can be telescopic when the lens of the mobile phone is zoomed and focused, the driving mode of driving the lens to be telescopic generally adopts a hard-driving pop-up driving mode, and when the pressing problem is faced, such as when the mobile phone falls down to the ground carelessly, if the protruding lens is impacted, the protruding part of the lens cannot be retracted in time, so that the lens can be easily damaged.
In order to solve the above-mentioned problems, the present invention provides a lens 100 for a mobile terminal device, and fig. 1 to 5 are specific embodiments of the lens 100 provided by the present invention.
Referring to fig. 1 to 5, the lens 100 includes a base 1, a moving group 2 and a magnetic driving mechanism 3, the moving group 2 is disposed on the base 1, the moving group 2 includes a first focusing assembly 21, the first focusing assembly 21 is movably disposed relative to the base 1, the magnetic driving mechanism 3 includes a power source, a magnetic generating assembly and a magnetic sensing assembly, wherein the base 1 is provided with one of the magnetic generating assembly and the magnetic sensing assembly, the first focusing assembly 21 is provided with the other one of the magnetic generating assembly and the magnetic sensing assembly, and the power source is electrically connected with at least one of the magnetic generating assembly and the magnetic sensing assembly, so that when the power source is connected with the magnetic generating assembly and/or the magnetic sensing assembly, an ampere force is generated between the magnetic generating assembly and the magnetic sensing assembly to drive the first focusing assembly 21 to move away from the base 1 along a light transmission direction.
According to the technical scheme provided by the invention, the magnetic driving mechanism 3 is arranged between the movable group 2 and the base 1, the magnetic driving mechanism 3 comprises a power supply, a magnetic force generating component and a magnetic force sensing component, the power supply is electrically connected with at least one of the magnetic force generating component and the magnetic force sensing component, so that ampere force is generated between the magnetic force generating component and the magnetic force sensing component under the condition that the magnetic force generating component and the magnetic force sensing component are electrified, and the movable group 2 is arranged on one of the magnetic force generating component and the magnetic force sensing component, so that the first focusing component 21 is driven by the ampere force, is far away from the base 1 and moves along the light transmission direction. Through setting up magnetic force actuating mechanism 3 for produce ampere force under the condition of circular telegram between magnetic force generating component and the magnetic force response subassembly, remove group 2 and can be by magnetic force generating component or magnetic force response subassembly drive activity, because of through flexible drive's mode between magnetic force generating component and the magnetic force response subassembly, when removing group 2 and receiving the exogenic action, can not exist hard interference between magnetic force generating component and the magnetic force response subassembly, in order to solve current camera lens when receiving outside pressing force, the problem that the camera lens is easy damaged.
The magnetic force generating component generates a magnetic field, when the power supply is electrically connected with the magnetic force generating component, the magnetic force generating component generates ampere force according to a left-hand rule, the ampere force is acting force exerted by an electrified wire in the magnetic field, so that the magnetic force generating component is enabled to move, the first focusing component 21 is arranged on the magnetic force generating component, and accordingly, the first focusing component 21 is driven to move away from the base 1 and along the light transmission direction, the magnetic force generating component can also be a magnetic part for generating the magnetic field, when the power supply is electrically connected with the magnetic force generating component, the magnetic force generating component generates ampere force according to the left-hand rule, so that the magnetic force generating component is enabled to move, the first focusing component 21 is arranged on the magnetic force generating component, and is driven to move away from the base 1 and along the light transmission direction, and the magnetic force generating component is driven to move away from the magnetic force generating component according to the left-hand rule, and the magnetic force generating component is enabled to generate the magnetic force when the power supply is electrically connected with the magnetic force generating component and the magnetic force generating component is simultaneously and the magnetic force generating component is enabled to move along the light transmission direction, and the magnetic force generating component is enabled to generate the magnetic force generating component is enabled to move away from the magnetic force generating component, and the magnetic force generating component is enabled to move along the magnetic force transmission direction, and the magnetic force generating component is enabled to be far away from the magnetic force generating component.
In addition, focusing is also called focusing, which means the process of adjusting the object distance and the distance by a lens focusing mechanism to make the imaging of the shot object clear. The first focusing component 21 and the base 1 are arranged in a relatively movable mode, so that clear imaging is formed on a negative film conveniently, and the optical performance is improved.
Further, in order to expand the focus adjustment range and obtain a larger range of image information, in this embodiment, the moving group 2 further includes a second focusing assembly 22, where the second focusing assembly 22 is disposed on the base 1 and is movably disposed relative to the first focusing assembly 21, and a plurality of modes for driving the second focusing assembly 22 may be adopted, or a driving mode of a stepping motor and a screw rod may be adopted, or a driving mode of a motor and a rack-and-pinion may be adopted, in this embodiment, the magnetic driving mechanism 3 may also be adopted, where the first focusing assembly 21 is provided with one of the magnetic force generating assembly and the magnetic force sensing assembly, the second focusing assembly 22 is provided with the other one of the magnetic force generating assembly and the magnetic force sensing assembly, and the power source is electrically connected with at least one of the magnetic force generating assembly and the magnetic force sensing assembly, so that when the power supply is conducted to the magnetic force generating component and/or the magnetic force sensing component, an ampere force is generated between the magnetic force generating component and the magnetic force sensing component to drive the second focusing component 22 to move away from the first focusing component 21 along the light transmission direction, by arranging the magnetic force driving mechanism 3 between the first focusing component 21 and the second focusing component 22, under the condition of being electrified, the ampere force is generated between the magnetic force generating component and the magnetic force sensing component, the second focusing component 22 can be driven to move by the magnetic force generating component or the magnetic force sensing component, and due to the flexible driving mode between the magnetic force generating component and the magnetic force sensing component, when the second focusing component 22 is acted by external force, no hard interference exists between the magnetic force generating component and the magnetic force sensing component, in this way, the base 1, the first focusing assembly 21 and the second focusing assembly 22 are all driven by flexible ampere force driving mode, so that the telescopic lens 100 has a larger automatic flexible telescopic space when being pressed by external pressing force.
Specifically, the magnetic force generating component may take various forms, in a first embodiment, the magnetic force generating component includes a first coil, the power source is electrically connected with the first coil, so that when the power source is conducted to the first coil, the first coil generates a magnetic field, the magnetic force sensing component includes a second coil, the power source is electrically connected with the second coil, when the second coil is electrified, the second coil generates an ampere force according to a left hand rule, and of course, it can be understood that when the power source is electrically connected with the second coil, when the power source is electrified, the second coil generates a magnetic field, and when the power source is electrically connected with the first coil and the first coil is conducted, the first coil generates an ampere force. Referring to fig. 3 to 5, in the second embodiment, the magnetic force generating assembly includes a magnet 31, the magnet 31 is disposed on the base 1, the magnetic force sensing assembly includes an induction coil 32, the power source is electrically connected to the induction coil 32, the magnet 31 generates a magnetic field, and when the power source is conducted to the induction coil 32, the induction coil 32 generates an ampere force to drive the first focusing assembly 21 to move.
Further, when the first focusing assembly 21 is driven, a plurality of magnetic force driving mechanisms 3 may be disposed for driving the first focusing assembly 21 to move faster and more stably, or when the moving group 2 includes the first focusing assembly 21 and the second focusing assembly 22, even more focusing assemblies, a plurality of magnetic force driving mechanisms 3 may be disposed, but due to the smaller volume of the lens 100, the repeated arrangement of the plurality of magnetic force driving mechanisms 3 may cause mutual interference between magnetic fields, so that the plurality of magnetic force driving mechanisms 3 are not affected by the magnetic field, in this embodiment, the magnetic force generating assembly includes a magnet 31, the magnet 31 is disposed on the base 1, the magnetic force sensing assembly includes a sensing coil 32, the base 1 is cylindrical, the moving group 2 is sleeved in the base 1, the magnetic force generating assembly further includes a magnetic yoke 33 disposed on the inner side wall of the base 1, the magnetic yoke 33 is disposed along the transmission direction, and the magnetic yoke 33 is disposed along the periphery of the base 1, the magnetic yoke is disposed on the inner side wall of the first side wall and the second side wall of the magnetic yoke 331, and the magnetic yoke 32 is disposed on the outer side wall of the second side wall of the magnetic yoke 32, and the magnetic yoke is disposed along the first side wall of the magnetic yoke 32. Since the yoke 33 serves to restrain the leakage flux of the induction coil 32 from diffusing outward, the magnetic field generated by the part of the coil located in the passage is restrained in the passage after the induction coil 32 is energized, and the magnetic field of the magnet 31 is restrained in the passage as well, so that the plurality of magnetic fields generated around the yoke 33 are restrained in the passage substantially, thereby reducing the mutual interference and influence between the plurality of magnetic fields.
Further, in order to enable the first focusing assembly 21 to move along the light transmission direction more precisely, without shaking or rotating in a circumferential direction, referring to fig. 5, in this embodiment, the first focusing assembly 21 includes a first movable sleeve 211, a first extension portion 1a is protruding inward along a radial direction of the base 1 from a bottom wall of the base 1, the first extension portion 1a is disposed between the base 1 and the first movable sleeve 211, at least one first connection portion 211a is protruding outward along a radial direction of the first movable sleeve 211 from an outer side wall of the first movable sleeve 211, a guiding structure is disposed on the first connection portion 211a, and the lens 100 further includes at least one first guide post 212, each first guide post 212 is disposed extending along the light transmission direction, one end of each first guide post 212 is fixedly connected with the first extension portion 1a, and the other end of each first guide post 212 is slidably connected with the corresponding first connection portion 211 a. The first connection portion 211a is provided on the outer periphery of the first movable sleeve 211 to provide a plurality of first guide posts 212. The first extending portions 1a are arranged at intervals to save space, and reserve space for other structures, so as to reduce the volume of the lens 100. The number of the first extending portions 1a is not limited, in this embodiment, two first extending portions 1a are provided, two first extending portions 1a are oppositely disposed on the outer periphery of the first movable sleeve 211, and two first guide columns 212 are correspondingly provided.
Specifically, the guiding structure may have various forms, for example, a chute may be provided on the first connection portion 211a, or a sleeve may be provided on the first connection portion 211a, in this embodiment, the guiding structure is a first guiding hole formed through each first connection portion 211a along the light transmission direction, each first guiding hole is disposed in a one-to-one correspondence with each first guiding post 212, so that the corresponding first guiding post 212 is inserted, and each first guiding hole on the first movable sleeve 211 slides along the corresponding first guiding post 212, so that the first movable sleeve 211 moves along the light transmission direction.
Specifically, in order to enable the second focusing assembly 22 to move along the light transmission direction more precisely without shaking or rotating in the circumferential direction, referring to fig. 4, the second focusing assembly 22 includes a second movable sleeve 221, a bottom wall of the first movable sleeve 211 is provided with a second extending portion 211b protruding inward along a radial direction of the first movable sleeve 211, the second extending portion 211b is disposed between the first movable sleeve 211 and the second movable sleeve 221, an outer side wall of the second movable sleeve 221 is provided with at least one second connecting portion 221a protruding outward along a radial direction of the second movable sleeve 221, the second connecting portion 221a is provided with a second guiding hole along the light transmission direction, the lens 100 further includes at least one second guiding post 222, each second guiding post 222 extends along the light transmission direction, one end of each second guiding post 222 is fixedly connected with the second extending portion 211b, the other end of each second guiding post 222 is correspondingly connected with each second guiding hole of the second movable sleeve 221 along the second guiding hole of the second movable sleeve 221, and each second guiding hole of the second guiding post 222 is correspondingly slidably connected along the second guiding hole of the second movable sleeve 221.
Further, in order to enable the driving precision of the first focusing component 21 and the second focusing component 22 to be sufficiently precise, in this embodiment, the lens 100 further includes a controller, a first displacement sensor and a second displacement sensor, where the first displacement sensor is used to detect a first displacement signal of the first focusing component 21, the second displacement sensor is used to detect a second displacement signal of the second focusing component 22, and the controller is electrically connected to the first displacement sensor, the second displacement sensor and the magnetic force generating component or the magnetic force sensing component, so as to drive the corresponding magnetic force generating component or the magnetic force sensing component to be displaced according to the first displacement signal, and drive the corresponding magnetic force generating component or the magnetic force sensing component to be displaced according to the second displacement signal, so that the sensors of different types have different precision, have millimeter level, micrometer level, or even nanometer level, and can select a suitable sensor according to actual requirements, thereby realizing precise driving.
In addition, in order to achieve the above objective, the present invention further provides a mobile terminal device, which may be a mobile phone or an iPad, and the mobile terminal device includes the lens 100 according to the above technical solution. It should be noted that, the detailed structure of the lens 100 of the mobile terminal device may refer to the embodiment of the lens 100, which is not described herein, and because the lens 100 is used in the mobile terminal device of the present invention, the embodiment of the mobile terminal device of the present invention includes all the technical solutions of all the embodiments of the lens 100, and the achieved technical effects are identical, which is not described herein.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (7)
1. A lens for a mobile terminal device, the lens comprising:
A base;
the moving group is arranged on the base and comprises a first focusing component which is movably arranged relative to the base, and
The magnetic driving mechanism comprises a power supply, a magnetic generating assembly and a magnetic induction assembly;
The base is provided with one of the magnetic force generating component and the magnetic force sensing component, the first focusing component is provided with the other one of the magnetic force generating component and the magnetic force sensing component, the power supply is electrically connected with at least one of the magnetic force generating component and the magnetic force sensing component, so that ampere force is generated between the magnetic force generating component and the magnetic force sensing component when the power supply is conducted with the magnetic force generating component and/or the magnetic force sensing component, and the first focusing component is driven to move away from the base along the light transmission direction;
The movable group further comprises a second focusing assembly, and the second focusing assembly is arranged on the base and is movably arranged relative to the first focusing assembly;
The first focusing assembly is provided with one of the magnetic force generating assembly and the magnetic force sensing assembly, the second focusing assembly is provided with the other one of the magnetic force generating assembly and the magnetic force sensing assembly, and the power supply is electrically connected with at least one of the magnetic force generating assembly and the magnetic force sensing assembly, so that when the power supply is conducted with the magnetic force generating assembly and/or the magnetic force sensing assembly, ampere force is generated between the magnetic force generating assembly and the magnetic force sensing assembly to drive the second focusing assembly to move away from the first focusing assembly and along the light transmission direction;
The magnetic force generation assembly comprises a magnet, and the magnet is arranged on the base;
the magnetic force induction component comprises an induction coil;
The base is cylindrical, the movable group is sleeved in the base, the magnetic force generating assembly further comprises a magnetic yoke arranged on the inner side wall of the base, the magnetic yoke extends along the light transmission direction and is provided with a channel in a penetrating manner along the circumferential direction of the base, and the magnetic yoke comprises a first side wall and a second side wall which are oppositely arranged in the inner and outer directions of the lens;
the magnet is arranged on the inner side of the first side wall, the induction coil is wound on the second side wall and is slidably arranged along the light transmission direction, and the induction coil is fixedly connected with the first focusing assembly.
2. The lens of claim 1, wherein the magnetic force generating assembly comprises a first coil, the power source being electrically connected to the first coil such that when the power source turns on the first coil, the first coil generates a magnetic field;
The magnetic force induction assembly includes a second coil.
3. The lens of claim 1, wherein the first focusing assembly comprises a first movable sleeve;
The bottom wall of the base is provided with a first extending part in a protruding mode along the radial direction of the base, the first extending part is arranged between the base and the first movable sleeve, the outer side wall of the first movable sleeve is provided with at least one first connecting part in a protruding mode along the radial direction of the first movable sleeve, and the first connecting part is provided with a guide structure;
the lens further comprises at least one first guide post, each first guide post extends along the light transmission direction, one end of each first guide post is fixedly connected with the first extension part, and the other end of each first guide post is slidably connected with the corresponding guide structure of the first connecting part.
4. The lens as claimed in claim 3, wherein the guide structure is a first guide hole penetrating through each first connection portion along the light transmission direction, and each first guide hole is disposed in one-to-one correspondence with each first guide post, so as to allow penetration of the corresponding first guide post.
5. A lens as recited in claim 3, wherein the second focusing assembly comprises a second movable sleeve;
the bottom wall of the first movable sleeve is provided with a second extending part in a protruding mode along the radial direction of the first movable sleeve, the second extending part is arranged between the first movable sleeve and the second movable sleeve, the outer side wall of the second movable sleeve is provided with at least one second connecting part in a protruding mode along the radial direction of the second movable sleeve, and the second connecting part is provided with a second guide hole in a penetrating mode along the light transmission direction;
The lens further comprises at least one second guide post, each second guide post extends along the light transmission direction, one end of each second guide post is fixedly connected with the second extension part, and the other end of each second guide post is slidably connected with the corresponding second guide hole.
6. The lens of claim 1, further comprising a controller, a first displacement sensor and a second displacement sensor, wherein the first displacement sensor is configured to detect a first displacement signal of the first focusing component, the second displacement sensor is configured to detect a second displacement signal of the second focusing component, and the controller is electrically connected to the first displacement sensor, the second displacement sensor and the magnetic force generating component or the magnetic force sensing component, so as to drive the corresponding magnetic force generating component or the magnetic force sensing component to displace according to the first displacement signal, and drive the corresponding magnetic force generating component or the magnetic force sensing component to displace according to the second displacement signal.
7. A mobile terminal device comprising a lens as claimed in any one of claims 1 to 6.
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| CN202110911940.6A CN113810569B (en) | 2021-08-09 | 2021-08-09 | Lenses and mobile terminal devices |
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| CN202110911940.6A CN113810569B (en) | 2021-08-09 | 2021-08-09 | Lenses and mobile terminal devices |
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| CN113810569B true CN113810569B (en) | 2024-12-13 |
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| CN106461906A (en) * | 2014-05-30 | 2017-02-22 | 博立多媒体控股有限公司 | Zoom lens |
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| CN215499249U (en) * | 2021-08-09 | 2022-01-11 | 中山联合光电研究院有限公司 | Lens and mobile terminal device |
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| KR100703588B1 (en) * | 2006-06-15 | 2007-04-09 | 주식회사 디오스텍 | Auto focus lens assembly |
| CN201116960Y (en) * | 2007-11-14 | 2008-09-17 | 比亚迪股份有限公司 | Camera lens module with automatic focus |
| CN103529534A (en) * | 2012-07-02 | 2014-01-22 | 全球微型光学有限公司 | Optical lens assembly |
| WO2015048928A1 (en) * | 2013-10-04 | 2015-04-09 | Elpis Technology Limited | Lens driving apparatus |
| CN105158872A (en) * | 2015-08-25 | 2015-12-16 | 南昌欧菲光电技术有限公司 | Focusing structure, lens assembly and camera module |
| CN109581649A (en) * | 2018-10-08 | 2019-04-05 | 东莞佩斯讯光电技术有限公司 | A motor and lens group for driving a liquid lens |
| CN213814098U (en) * | 2020-11-30 | 2021-07-27 | 中山联合光电研究院有限公司 | Telescopic zoom lens |
| CN112886788B (en) * | 2021-03-08 | 2022-06-07 | Oppo广东移动通信有限公司 | Voice coil motor, camera and electronic equipment |
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| CN106461906A (en) * | 2014-05-30 | 2017-02-22 | 博立多媒体控股有限公司 | Zoom lens |
| CN110888219A (en) * | 2019-12-18 | 2020-03-17 | 东莞市宇瞳光学科技股份有限公司 | Lens focusing device |
| CN215499249U (en) * | 2021-08-09 | 2022-01-11 | 中山联合光电研究院有限公司 | Lens and mobile terminal device |
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