CN113810569A - Lens and mobile terminal device - Google Patents

Lens and mobile terminal device Download PDF

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Publication number
CN113810569A
CN113810569A CN202110911940.6A CN202110911940A CN113810569A CN 113810569 A CN113810569 A CN 113810569A CN 202110911940 A CN202110911940 A CN 202110911940A CN 113810569 A CN113810569 A CN 113810569A
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CN
China
Prior art keywords
magnetic force
assembly
base
magnetic
focusing
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Pending
Application number
CN202110911940.6A
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Chinese (zh)
Inventor
张伟
李昆
李敏德
王浩
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Zhongshan United Optoelectronic Research Institute Co Ltd
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Zhongshan United Optoelectronic Research Institute Co Ltd
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Application filed by Zhongshan United Optoelectronic Research Institute Co Ltd filed Critical Zhongshan United Optoelectronic Research Institute Co Ltd
Priority to CN202110911940.6A priority Critical patent/CN113810569A/en
Publication of CN113810569A publication Critical patent/CN113810569A/en
Pending legal-status Critical Current

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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
    • 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
    • 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

Abstract

The invention discloses a lens and mobile terminal equipment, wherein the lens comprises a base, a moving group and a magnetic force driving mechanism, the moving group is arranged on the base and comprises a first focusing assembly movably arranged relative to the base, the magnetic force driving mechanism comprises a power supply, a magnetic force generating assembly and a magnetic force sensing assembly, the base is provided with one of the magnetic force generating assembly and the magnetic force sensing assembly, the first 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. According to the technical scheme provided by the invention, the ampere force is generated between the magnetic force generating assembly and the magnetic force induction assembly under the condition of electrifying, the moving group is driven, when the moving group receives an external force, the magnetic force generating assembly and the magnetic force induction assembly are flexibly driven, and hard interference does not exist between the magnetic force generating assembly and the magnetic force induction assembly, so that the problem that the lens is easy to damage when the existing lens receives an external pressing force is solved.

Description

Lens and mobile terminal device
Technical Field
The invention relates to the field of mobile equipment, in particular to a lens and mobile terminal equipment.
Background
When the telescopic mobile phone is used, when a lens of the mobile phone is zoomed and focused, the lens frame can be stretched, a hard-drive popup drive mode is generally adopted as a drive mode for driving the lens to stretch, and when a pressing problem is faced, for example, when the mobile phone falls on the ground carelessly, if the protruded lens is impacted, the protruded 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 a mobile terminal device, and aims to solve the problem that the existing lens is easy to damage when being subjected to external pressing force.
To achieve the above object, the present invention provides a lens for a mobile terminal device, wherein the lens comprises:
a base;
the moving group is arranged on the base and comprises a first focusing assembly, and the first focusing assembly is movably arranged relative to the base; and the number of the first and second groups,
the magnetic driving mechanism comprises a power supply, a magnetic force generating assembly and a magnetic force induction assembly;
the base is provided with one of the magnetic force generation assembly and the magnetic force induction assembly, the first focusing assembly is provided with the other of the magnetic force generation assembly and the magnetic force induction assembly, and the power supply is electrically connected with at least one of the magnetic force generation assembly and the magnetic force induction assembly, so that when the power supply is conducted with the magnetic force generation assembly and/or the magnetic force induction assembly, an ampere force is generated between the magnetic force generation assembly and the magnetic force induction assembly, and the first focusing assembly is driven to move away from the base along a light transmission direction.
Optionally, the moving group further includes a second focusing assembly, and the second focusing assembly is disposed on the base and movably disposed relative to the first focusing assembly;
the first focusing assembly is provided with one of the magnetic force generation assembly and the magnetic force induction assembly, the second focusing assembly is provided with the other of the magnetic force generation assembly and the magnetic force induction assembly, and the power supply is electrically connected with at least one of the magnetic force generation assembly and the magnetic force induction assembly, so that when the power supply is conducted with the magnetic force generation assembly and/or the magnetic force induction assembly, an ampere force is generated between the magnetic force generation assembly and the magnetic force induction 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 assembly includes a first coil, and the power supply is electrically connected to the first coil, so that when the power supply is turned on the first coil, the first coil generates a magnetic field;
the magnetic force sensing assembly includes a second coil.
Optionally, the magnetic force generating assembly 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 running through 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 arranged in a sliding mode along the light transmission direction, and the induction coil is fixedly connected with the first focusing assembly.
Optionally, the first focus assembly comprises a first movable sleeve;
the bottom wall of the base is provided with a first extending part in an inward protruding manner 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 an outward protruding manner 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 extending portion, and the other end of each first guide post is slidably connected with the corresponding guide structure of the first connecting portion.
Optionally, the guiding structure is a first guiding hole formed through each first connecting portion along the light transmission direction, and each first guiding hole is respectively arranged in a one-to-one correspondence with each first guiding column so as to allow the corresponding first guiding column to penetrate through.
Optionally, the second focus assembly comprises a second movable sleeve;
the bottom wall of the first movable sleeve is provided with a second extending part which is arranged between the first movable sleeve and the second movable sleeve in a protruding mode along the radial direction of the first 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 extending portion, 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, the first displacement sensor is configured to detect a first displacement signal of the first focus assembly, the second displacement sensor is configured to detect a second displacement signal of the second focus assembly, and the controller is electrically connected to the first displacement sensor, the second displacement sensor and the magnetic force generating assembly or the magnetic force sensing assembly, so as to drive the corresponding magnetic force generating assembly or the magnetic force sensing assembly to move according to the first displacement signal, and drive the corresponding magnetic force generating assembly or the magnetic force sensing assembly to move according to the second displacement signal.
The invention also provides a mobile terminal device, which comprises the lens, wherein the lens comprises:
a base;
the moving group is arranged on the base and comprises a first focusing assembly, and the first focusing assembly is movably arranged relative to the base; and the number of the first and second groups,
the magnetic driving mechanism comprises a power supply, a magnetic force generating assembly and a magnetic force induction assembly;
the base is provided with one of the magnetic force generation assembly and the magnetic force induction assembly, the first focusing assembly is provided with the other of the magnetic force generation assembly and the magnetic force induction assembly, and the power supply is electrically connected with at least one of the magnetic force generation assembly and the magnetic force induction assembly, so that when the power supply is conducted with the magnetic force generation assembly and/or the magnetic force induction assembly, an ampere force is generated between the magnetic force generation assembly and the magnetic force induction assembly, and the first focusing assembly is driven to move away from the base along a light transmission direction.
In the technical scheme provided by the invention, a magnetic driving mechanism is arranged between the moving group and the base, the magnetic driving mechanism comprises a power supply, a magnetic force generating assembly and a 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 an ampere force is generated between the magnetic force generating assembly and the magnetic force sensing assembly under the condition of electrifying the magnetic force generating assembly and the magnetic force sensing assembly, and the moving group is arranged on one of the magnetic force generating assembly and the magnetic force sensing assembly, so that the first focusing assembly is driven by the ampere force, is far away from the base and moves along the light transmission direction. Through setting up magnetic drive mechanism for under the circumstances of circular telegram, magnetic force takes place and produces ampere force between subassembly and the magnetic force response subassembly, remove the crowd and can take place subassembly or magnetic force response subassembly drive activity by magnetic force, because of the mode through flexible drive between subassembly and the magnetic force response subassembly takes place for magnetic force, when removing the crowd and receiving the exogenic action, there can not be hard interference between subassembly and the magnetic force response subassembly takes place for magnetic force, when receiving outside pressing force, with the problem of solving current camera lens, the camera lens is damaged easily.
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, 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 the structures shown in the drawings without creative efforts.
Fig. 1 is a top view of a lens barrel according to an embodiment of the present invention;
fig. 2 is a front view of the lens barrel of fig. 1;
fig. 3 is a schematic partial structure diagram of the lens barrel in fig. 1;
FIG. 4 is a cross-sectional view A-A of FIG. 1;
fig. 5 is a cross-sectional view of B-B in fig. 2.
The reference numbers illustrate:
Figure RE-GDA0003342400180000041
Figure RE-GDA0003342400180000051
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments 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.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment 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 relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
When the telescopic mobile phone is used, when a lens of the mobile phone is zoomed and focused, the lens frame can be stretched, a hard-drive popup drive mode is generally adopted as a drive mode for driving the lens to stretch, and when a pressing problem is faced, for example, when the mobile phone falls on the ground carelessly, if the protruded lens is impacted, the protruded lens cannot be retracted in time, so that the lens can be easily damaged.
In order to solve the above problems, the present invention provides a lens 100 for a mobile terminal device, and fig. 1 to 5 illustrate an embodiment of the lens 100 according to 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 supply, a magnetic force generating assembly and a magnetic force sensing assembly, wherein the base 1 is provided with one of the magnetic force generating assembly and the magnetic force sensing assembly, the first focusing assembly 21 is provided with the other of the magnetic force generating assembly and the magnetic force sensing assembly, the power supply is electrically connected to at least one of the magnetic force generating assembly and the magnetic force sensing assembly, so that when the power supply conducts the magnetic force generating assembly and/or the magnetic force sensing assembly, an ampere force is generated between the magnetic force generating assembly and the magnetic force sensing assembly, so as to drive the first focusing assembly 21 to move away from the base 1 and along the light transmission direction.
In the technical scheme provided by the invention, a magnetic driving mechanism 3 is arranged between the moving group 2 and the base 1, the magnetic driving mechanism 3 comprises a power supply, a magnetic generating component and a magnetic sensing component, the power supply is electrically connected with at least one of the magnetic generating component and the magnetic sensing component, so that an ampere force is generated between the magnetic generating component and the magnetic sensing component when the magnetic generating component and the magnetic sensing component are electrified, and the moving group 2 is arranged on one of the magnetic generating component and the magnetic 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 drive mechanism 3, make under the circumstances of circular telegram, magnetic force takes place and produces ampere force between subassembly and the magnetic induction subassembly, it can take place subassembly or magnetic induction subassembly drive activity by magnetic force to remove crowd 2, because of the magnetic force takes place the mode through flexible drive between subassembly and the magnetic induction subassembly, when removing crowd 2 and receiving the exogenic action, there can not be hard interference between subassembly and the magnetic induction subassembly taking place to magnetic force, when receiving outside pressing force with solving current camera lens, the problem of the easy damage of camera lens.
It should be noted that, the magnetic force generating assembly generates a magnetic field, when the power supply is electrically connected to the magnetic force sensing assembly, and the magnetic force sensing assembly is turned on, according to the left-hand rule, the magnetic force sensing assembly generates an ampere force, which is an acting force of the power-on wire in the magnetic field, so that the magnetic force sensing assembly moves, and the first focusing assembly 21 is disposed on the magnetic force sensing assembly, so that the first focusing assembly 21 is driven to move away from the base 1 and along the light transmission direction; similarly, the magnetic force sensing assembly may also be a magnetic member generating a magnetic field, when the power supply is electrically connected to the magnetic force generating assembly, according to the left-hand rule, the magnetic force generating assembly generates an ampere force to enable the magnetic force generating assembly to move, and the first focusing assembly 21 is disposed on the magnetic force generating assembly, so that the first focusing assembly 21 is driven to move away from the base 1 and along the light transmission direction; in the same reason, when the power with the magnetic force generation assembly with the magnetic force induction assembly is electric connection simultaneously, the magnetic force generation assembly generates a magnetic field due to the electrification, and the magnetic force induction assembly induces the magnetic field, and under the condition of the electrification, the magnetic force induction assembly is also determined according to the left hand rule, the magnetic force induction assembly can generate ampere force, the first focusing assembly 21 is arranged on the magnetic force induction assembly, so that the first focusing assembly 21 is driven to be away from the base 1 and move along the light transmission direction.
In addition, focusing is also called focusing and focusing, and refers to a process of adjusting the object distance and the position of the distance through a lens focusing mechanism to enable an image of a shot object to be clear. According to the scheme, the first focusing assembly 21 and the base 1 are movably arranged relatively, so that clear imaging can be formed on a negative film conveniently, and the optical performance is improved.
Further, in order to expand the focusing adjustment range and obtain a wider range of image information, in this embodiment, the moving group 2 further includes a second focusing assembly 22, the second focusing assembly 22 is disposed on the base 1 and movably disposed relative to the first focusing assembly 21, there are a plurality of ways to drive the second focusing assembly 22, a driving way of a stepping motor and a lead screw may be adopted, or a driving way of a motor and a rack and pinion may also be adopted, in this embodiment, the above-mentioned magnetic driving mechanism 3 may also be adopted, 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 supply is electrically connected to at least one of 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, an ampere force is generated between the magnetic force generating assembly and the magnetic force sensing assembly to drive the second focusing assembly 22 to move away from the first focusing assembly 21 and along the light transmission direction, and by arranging the magnetic driving mechanism 3 between the first focusing assembly 21 and the second focusing assembly 22, the ampere force is generated between the magnetic force generating assembly and the magnetic force sensing assembly under the condition of power-on, the second focusing assembly 22 can be driven to move by the magnetic force generating assembly or the magnetic force sensing assembly, and due to the flexible driving mode between the magnetic force generating assembly and the magnetic force sensing assembly, when the second focusing assembly 22 is subjected to an external force, hard interference does not exist between the magnetic force generating assembly and the magnetic force sensing assembly, so that the base 1, The first focusing assembly 21 and the second focusing assembly 22 are both driven by a flexible ampere force driving method, so that the telescopic lens 100 has a larger automatic flexible telescopic space when being subjected to external pressing force.
Specifically, the magnetic force generating assembly may be in various forms, in a first embodiment, the magnetic force generating assembly includes a first coil, the power supply is electrically connected to the first coil, so that when the power supply conducts the first coil, the first coil generates a magnetic field, the magnetic force sensing assembly includes a second coil, the power supply is electrically connected to the second coil, and when the second coil is powered on, the second coil generates an ampere force according to a left-hand rule. Referring to fig. 3 to 5, in a 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 supply is electrically connected to the induction coil 32, the magnet 31 generates a magnetic field, and when the power supply is conducted with 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, and at the same time, in order to drive the first focusing assembly 21 to move more quickly and more stably, a plurality of magnetic driving mechanisms 3 may be provided, or the moving group 2 includes the first focusing assembly 21 and the second focusing assembly 22, or even more focusing assemblies, a plurality of magnetic driving mechanisms 3 may be provided, but due to the fact that the size of the lens 100 itself is small, the magnetic driving mechanisms 3 are repeatedly provided, so that there is a possibility of mutual interference between magnetic fields, and in order to avoid the influence of the magnetic fields between the magnetic driving mechanisms 3, please refer to fig. 4, in this embodiment, the magnetic generating assembly includes a magnet 31, the magnet 31 is provided in the base 1, the magnetic sensing assembly includes an induction coil 32, the base 1 is cylindrical, the moving group 2 is sleeved in the base 1, the subassembly is taken place to magnetic force is still including locating the yoke 33 of 1 inside wall of base, yoke 33 follows light transmission direction extends the setting, and follows base 1 circumference is run through and is equipped with the passageway, yoke 33 includes first lateral wall 331 and the second lateral wall 332 that is relative setting in the interior foreign side of camera lens 100, magnet 31 is located the inboard of first lateral wall 331, induction coil 32 is around locating second lateral wall 332, and follows light transmission direction slidable ground sets up, induction coil 32 with first pair of focus subassembly 21 fixed connection. Because of yoke 33's effect is restraint induction coil 32 magnetic leakage outdiffusion, induction coil 32 circular telegram back is located the produced magnetic field of partial coil in the passageway is restrained in the passageway, magnet 31's magnetic field is also restrained in the passageway, like this, makes a plurality of magnetic fields that produce around yoke 33 all are restrained basically in the passageway to mutual interference and the influence between a plurality of magnetic fields have been reduced.
Further, in order to enable the first focusing assembly 21 to move more precisely along the light transmission direction without shaking or rotating in the circumferential direction, referring to fig. 5, in this embodiment, the first focusing assembly 21 includes a first movable sleeve 211, a first extending portion 1a is disposed on the bottom wall of the base 1 and protrudes inward in the radial direction of the base 1, the first extending portion 1a is disposed between the base 1 and the first movable sleeve 211, at least one first connecting portion 211a is disposed on the outer side wall of the first movable sleeve 211 and protrudes outward in the radial direction of the first movable sleeve 211, a guiding structure is disposed on the first connecting portion 211a, the lens 100 further includes at least one first guiding column 212, each first guiding column 212 extends in the light transmission direction, and one end of each first guiding column 212 is fixedly connected to the first extending portion 1a, the other end of each of the first guide posts 212 is slidably connected to the guide structure of the corresponding first connection portion 211 a. The first connection portion 211a is provided on the outer circumference of the first movable sleeve 211, so that a plurality of first guide posts 212 are provided. The first extending portions 1a are spaced apart to save space, and reserve space for other structures 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 provided on the outer periphery of the first movable sleeve 211, and two first guide posts 212 are correspondingly provided.
Specifically, the guiding structure may have various forms, for example, a sliding groove may be formed in the first connecting portion 211a, or a pipe sleeve may be formed in the first connecting portion 211a, in this embodiment, the guiding structure is a first guiding hole formed in each first connecting portion 211a along the light transmission direction, each first guiding hole is respectively arranged in a one-to-one correspondence to each first guiding column 212 so that the corresponding first guiding column 212 is inserted, and each first guiding hole on the first movable sleeve 211 slides along each corresponding first guiding column 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 more precisely along the light transmission direction without shaking or rotating in the circumferential direction, referring to fig. 4, the second focusing assembly 22 includes a second movable sleeve 221, a second extending portion 211b is disposed on a bottom wall of the first movable sleeve 211 and protrudes inward along the 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, at least one second connecting portion 221a is disposed on an outer side wall of the second movable sleeve 221 and protrudes outward along the radial direction of the second movable sleeve 221, a second guiding hole penetrates through the second connecting portion 221a along the light transmission direction, the lens 100 further includes at least one second guiding column 222, and each second guiding column 222 extends along the light transmission direction, one end of each of the second guiding pillars 222 is fixedly connected to the second extending portion 211b, the other end of each of the second guiding pillars 222 is slidably connected to the corresponding second guiding hole, and each of the second guiding holes of the second movable sleeve 221 slides along the corresponding second guiding pillar 222, so that the second movable sleeve 221 moves along the light transmission direction.
Further, in order to enable the driving precision of the first focusing assembly 21 and the second focusing assembly 22 to be sufficiently accurate, in this embodiment, the lens 100 further includes a controller, a first displacement sensor and a second displacement sensor, the first displacement sensor is configured to detect a first displacement signal of the first focusing assembly 21, the second displacement sensor is configured to detect a second displacement signal of the second focusing assembly 22, the controller is electrically connected to the first displacement sensor, the second displacement sensor and the magnetic force generating assembly or the magnetic force sensing assembly, so as to drive the corresponding magnetic force generating assembly or the magnetic force sensing assembly to perform a displacement motion according to the first displacement signal, and drive the corresponding magnetic force generating assembly or the magnetic force sensing assembly to perform a displacement motion according to the second displacement signal, because of the different precision of the sensors of different types, millimeter level, micron level and even nanometer level, the appropriate sensor can be selected according to the actual requirement, thereby realizing accurate adjustment driving.
In addition, in order to achieve the above object, the present invention further provides a mobile terminal device, where the mobile terminal device may be a mobile phone or an iPad, and the mobile terminal device is not limited herein and 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 above embodiment of the lens 100, and is not described herein again; since the lens 100 is used in the mobile terminal device of the present invention, embodiments of the mobile terminal device of the present invention include all technical solutions of all embodiments of the lens 100, and the achieved technical effects are also completely the same, which are not described herein again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A lens barrel used for a mobile terminal device, the lens barrel comprising:
a base;
the moving group is arranged on the base and comprises a first focusing assembly, and the first focusing assembly is movably arranged relative to the base; and the number of the first and second groups,
the magnetic driving mechanism comprises a power supply, a magnetic force generating assembly and a magnetic force induction assembly;
the base is provided with one of the magnetic force generation assembly and the magnetic force induction assembly, the first focusing assembly is provided with the other of the magnetic force generation assembly and the magnetic force induction assembly, and the power supply is electrically connected with at least one of the magnetic force generation assembly and the magnetic force induction assembly, so that when the power supply is conducted with the magnetic force generation assembly and/or the magnetic force induction assembly, an ampere force is generated between the magnetic force generation assembly and the magnetic force induction assembly, and the first focusing assembly is driven to move away from the base along a light transmission direction.
2. The lens barrel as claimed in claim 1, wherein the moving group further includes a second focus assembly disposed on the base and movably disposed with respect to the first focus assembly;
the first focusing assembly is provided with one of the magnetic force generation assembly and the magnetic force induction assembly, the second focusing assembly is provided with the other of the magnetic force generation assembly and the magnetic force induction assembly, and the power supply is electrically connected with at least one of the magnetic force generation assembly and the magnetic force induction assembly, so that when the power supply is conducted with the magnetic force generation assembly and/or the magnetic force induction assembly, an ampere force is generated between the magnetic force generation assembly and the magnetic force induction assembly, and the second focusing assembly is driven to move away from the first focusing assembly and along the light transmission direction.
3. The lens barrel as claimed in claim 1 or 2, wherein the magnetic force generating assembly includes a first coil, the power supply is electrically connected to the first coil, so that when the power supply conducts the first coil, the first coil generates a magnetic field;
the magnetic force sensing assembly includes a second coil.
4. The lens barrel as claimed in claim 1 or 2, wherein the magnetic force generating assembly includes a magnet provided to the base;
the magnetic force induction assembly includes an induction coil.
5. The lens barrel as claimed in claim 4, wherein the base is cylindrical, the moving group is sleeved in the base, the magnetic force generating assembly further includes a magnetic yoke disposed on an inner side wall of the base, the magnetic yoke is disposed to extend along the light transmission direction and has a channel extending along a circumferential direction of the base, the magnetic yoke includes a first side wall and a second side wall disposed opposite to each other in an inward and outward direction of the lens barrel;
the magnet is arranged on the inner side of the first side wall, the induction coil is wound on the second side wall and arranged in a sliding mode along the light transmission direction, and the induction coil is fixedly connected with the first focusing assembly.
6. The lens barrel as recited in claim 1, wherein the first focus assembly includes a first movable sleeve;
the bottom wall of the base is provided with a first extending part in an inward protruding manner 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 an outward protruding manner 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 extending portion, and the other end of each first guide post is slidably connected with the corresponding guide structure of the first connecting portion.
7. The lens barrel as claimed in claim 6, wherein the guiding structure is a first guiding hole formed along the light transmission direction for each first connecting portion, and each first guiding hole is disposed in one-to-one correspondence with each first guiding pillar for the corresponding first guiding pillar to pass through.
8. The lens barrel as recited in claim 2, wherein the second focus assembly includes a second movable sleeve;
the bottom wall of the first movable sleeve is provided with a second extending part which is arranged between the first movable sleeve and the second movable sleeve in a protruding mode along the radial direction of the first 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 extending portion, and the other end of each second guide post is slidably connected with the corresponding second guide hole.
9. The lens barrel as claimed in claim 2, 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 element, the second displacement sensor is configured to detect a second displacement signal of the second focusing element, and the controller is electrically connected to the first displacement sensor, the second displacement sensor and the magnetic force generating element or the magnetic force sensing element, so as to drive the corresponding magnetic force generating element or the magnetic force sensing element to displace according to the first displacement signal, and drive the corresponding magnetic force generating element or the magnetic force sensing element to displace according to the second displacement signal.
10. A mobile terminal device characterized by comprising the lens barrel according to any one of claims 1 to 9.
CN202110911940.6A 2021-08-09 2021-08-09 Lens and mobile terminal device Pending CN113810569A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110911940.6A CN113810569A (en) 2021-08-09 2021-08-09 Lens and mobile terminal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110911940.6A CN113810569A (en) 2021-08-09 2021-08-09 Lens and mobile terminal device

Publications (1)

Publication Number Publication Date
CN113810569A true CN113810569A (en) 2021-12-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110911940.6A Pending CN113810569A (en) 2021-08-09 2021-08-09 Lens and mobile terminal device

Country Status (1)

Country Link
CN (1) CN113810569A (en)

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