CN116961357A - VCM motor, camera and electronic device with compact structure - Google Patents

VCM motor, camera and electronic device with compact structure Download PDF

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Publication number
CN116961357A
CN116961357A CN202310653413.9A CN202310653413A CN116961357A CN 116961357 A CN116961357 A CN 116961357A CN 202310653413 A CN202310653413 A CN 202310653413A CN 116961357 A CN116961357 A CN 116961357A
Authority
CN
China
Prior art keywords
torsion
carrier
vcm motor
base
biasing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310653413.9A
Other languages
Chinese (zh)
Inventor
叶建华
潘涛
张需要
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heyuan Youhua Microelectromechanical Technology Co ltd
Original Assignee
Heyuan Youhua Microelectromechanical Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heyuan Youhua Microelectromechanical Technology Co ltd filed Critical Heyuan Youhua Microelectromechanical Technology Co ltd
Priority to CN202310653413.9A priority Critical patent/CN116961357A/en
Publication of CN116961357A publication Critical patent/CN116961357A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32—Means for focusing
    • G03B13/34—Power focusing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B30/00—Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/035—DC motors; Unipolar motors
    • H02K41/0352—Unipolar motors
    • H02K41/0354—Lorentz force motors, e.g. voice coil motors
    • H02K41/0356—Lorentz force motors, e.g. voice coil motors moving along a straight path
    • 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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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Lens Barrels (AREA)

Abstract

The application relates to a VCM motor, a camera and an electronic device with compact structure, wherein the VCM motor comprises a fixed part and a focusing part, the fixed part comprises a base and a shell buckled on the base, the focusing part comprises a carrier for carrying an optical lens, a first elastic piece and a second elastic piece which are elastically connected with the carrier and the fixed part and allow the carrier to move along the optical axis direction of the optical lens relative to the fixed part, a coil wound on the carrier and a magnet group which is matched with the coil and drives the carrier to move; one side of the fixing part is provided with a biasing area, the biasing area can be provided with a torsion-resistant structure and/or a winding post, and two ends of the coil are bound on the winding post. According to the application, the offset area is arranged at one side of the fixing part, and the torsion-resistant structure and/or the winding post are arranged in the offset area, so that the length and width of the VCM motor can be reduced by reducing the thickness of the carrier and the coil, and the size miniaturization design of the VCM motor is realized.

Description

VCM motor, camera and electronic device with compact structure
Technical Field
The application relates to the field of VCM motors, in particular to a VCM motor with a compact structure, a camera and an electronic device.
Background
Photographing has become a necessary function of electronic products such as mobile phones and tablet computers, and a VCM motor is one of important basic components for realizing the photographing function, and along with the development of electronic products such as mobile phones and tablet computers, people put higher and higher requirements on the volume of the VCM motor, especially for mobile phones, because the mobile phones are very precise and small products in structure, mobile phone manufacturers hope that the size of the VCM motor is smaller, so as to realize the light and thin design of the mobile phones. In response to the increasingly stringent miniaturization requirements, VCM motor manufacturers are continually engaged in research into the miniaturization design of VCM motors.
Disclosure of Invention
In view of this, the present application provides a compact VCM motor, in which a bias area is provided at one side of a fixing portion, and a torsion-resistant structure and/or a winding post are provided at the bias area, so that the VCM motor can reduce the length and width dimensions of the VCM motor by reducing the thickness of a carrier and a coil, thereby realizing a compact size design of the VCM motor.
The aim of the application is achieved by the following technical scheme:
the VCM motor with compact structure comprises a fixed part and a focusing part, wherein the fixed part comprises a base and a shell buckled on the base, the focusing part comprises a carrier for bearing an optical lens, a first elastic piece and a second elastic piece which are elastically connected with the carrier and the fixed part and allow the carrier to move along the optical axis direction of the optical lens relative to the fixed part, a coil wound on the carrier and a magnet group which is matched with the coil and drives the carrier to move; one side of the fixing part is provided with a biasing area, the biasing area can be provided with a torsion-resistant structure and/or a winding post, and two ends of the coil are bound on the winding post.
According to the application, the offset area is arranged on one side of the fixing part, and the necessary components are arranged in the offset area, such as the torsion-resistant structure, the winding column and the like, so that the length and width dimensions of the VCM motor can be reduced by reducing the thicknesses of the carrier and the coil, the ratio of the lens diameter to the length and width dimensions of the motor is maximized, and the size miniaturization design of the VCM motor is realized.
Optionally, in one possible implementation, the magnet group includes four magnets located at four corner regions of the fixing portion.
Four magnets are arranged in four corner areas of the fixing part, so that the length and width of the VCM motor can be further reduced, the ratio of the lens diameter to the length and width of the motor is maximized, and the VCM motor is further miniaturized.
Optionally, in one possible implementation, the torsion structure includes a torsion block disposed on the carrier, and a torsion slot disposed on the base or the housing, the torsion block being embedded in and closely fitting the torsion slot.
The torsion block is embedded into the torsion groove and is tightly attached to the torsion groove to form a torsion structure, so that the torsion structure can effectively increase the torsion resistance of the VCM motor.
Optionally, in a possible implementation manner, the base or the housing is provided with a first slot post and a second slot post, and the first slot post and the second slot post form torsion slots with the base or the housing.
The first slot column and the second slot column can be arranged on the base and can also be arranged on the shell, the first slot column, the second slot column and the surface of the base or the surface of the shell form a torsion-resistant groove, and the torsion-resistant block is embedded into the torsion-resistant groove to form a tightly attached component, so that the torsion-resistant capacity of the VCM motor is increased.
Optionally, in a possible implementation manner, the biasing area includes a biasing seat connected with the base, and a biasing shell connected with the housing, where the biasing seat and the biasing shell enclose a cavity, and the torsion resistant structure and/or the winding post are located in the cavity.
The bias area is composed of a bias seat and a bias shell, the bias seat and the bias shell are enclosed into a cavity, and the torsion-resistant structure and/or the winding column are arranged in the cavity to be uniformly biased, so that the length and width of the VCM motor can be saved.
Optionally, in one possible implementation, the torsion block is integrally formed with the carrier, and the first slot post, the second slot post are integrally formed with the base or the housing. The offset seat and the base are integrally formed, and the offset shell and the shell are integrally formed.
The integrated into one piece spare does not have the concatenation vestige, puts into the make-up machine with the material and once only forms out, does not have the concatenation vestige, and relatively better quality, life is longer, compares in the components of a whole that can function independently spare that later stage is connected, and the structural rigidity of integrated into one piece is more firm, and the components of a whole that can function independently spare that later stage is connected, has hidden the weak point in the gap department, and integrated into one piece spare does not have hidden weak point.
Optionally, in a possible implementation manner, the first elastic member and the second elastic member are connected to a magnet group or a fixing portion.
The first elastic piece and the second elastic piece can be respectively connected and fixed with the shell and the base, and can also be connected to the upper surface and the lower surface of the magnet group.
A camera comprising the above-described VCM motor having a compact structure.
An electronic device comprises the camera.
Compared with the prior art, the application has the beneficial effects that:
according to the VCM motor with the compact structure, the bias area is arranged on one side edge of the fixing part, necessary components are arranged in the bias area, such as the torsion resistant structure, the winding column and the like are arranged in the bias area, so that the length and width dimensions of the VCM motor can be reduced by reducing the thicknesses of the carrier and the coil, the ratio of the lens diameter to the length and width dimensions of the motor is maximized, and the size miniaturization design of the VCM motor is realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a compact VCM motor in accordance with one embodiment of the present application.
FIG. 2 is a partial cross-sectional view of a compact VCM motor in accordance with one embodiment of the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. In the description of the embodiments of the present application, it should be understood that the terms "upper", "lower", "left", "right", "vertical", "horizontal", etc. indicate orientations or positional relationships based on those shown in the drawings, or orientations or positional relationships that are conventionally put in use of the product of the application, or orientations or positional relationships that are conventionally understood by those skilled in the art, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
The technical scheme of the application will be described below with reference to the accompanying drawings.
The present embodiment provides a VCM motor with a compact structure, comprising a fixing portion 100 and a focusing portion 200, wherein the fixing portion 100 comprises a base 110 and a housing 120 buckled on the base 110, the focusing portion 200 comprises a carrier 210 for carrying an optical lens, a first elastic member 220 and a second elastic member 230 which are elastically connected with the carrier 210 and the fixing portion 100 and allow the carrier 210 to move along the optical axis direction of the optical lens relative to the fixing portion 100, a coil 240 wound on the carrier 210, and a magnet group 250 which cooperates with the coil 240 and drives the carrier 210 to move; a biasing area 300 is provided at one side of the fixing portion 100, and the biasing area 300 may be provided with a torsion structure 400 and a winding post 500, and both ends of the coil 240 are tied to the winding post 500.
According to the application, the offset area 300 is arranged at one side of the fixed part 100, and the torsion-resistant structure 400 and the winding column 500 are arranged at the offset area 300, so that the length and width dimensions of the VCM motor can be reduced by reducing the thicknesses of the carrier 210 and the coil 240, the ratio of the lens diameter to the length and width dimensions of the motor is maximized, and the size miniaturization design of the VCM motor is realized. The offset area is arranged on one side, so that the size of the VCM motor on the side is increased, but the sizes of three sides except the side are greatly reduced, and the overall size optimization of the VCM motor is realized. Through the size optimization of VCM motor, can practice thrift more inner space for electronic products such as cell-phone, flat board.
In the present embodiment, the magnet group 250 includes four magnets located at four corner regions of the fixing portion 100.
The spatial arrangement of the four-corner magnets is more beneficial to the reduction of the spatial dimension of the motor. Four magnets are disposed in the four corner regions of the fixing portion 100, so that the length and width of the VCM motor can be further reduced, the ratio of the lens diameter to the length and width of the motor can be maximized, and the VCM motor can be further miniaturized.
It should be noted that, in the present embodiment, the torsion structure 400 includes a torsion block 410 disposed on the carrier 210, and a torsion slot 420 disposed on the base 110 or the housing 120, and the torsion block 410 is embedded in the torsion slot 420 and closely fits the torsion slot 420.
The torsion block 410 is embedded in the torsion slot 420 and closely fits the torsion slot 420 to constitute the torsion structure 400, so that the torsion structure 400 can effectively increase the torsion capacity of the VCM motor.
In the present embodiment, the base 110 or the housing 120 is provided with a first slot 421 and a second slot 422, and the first slot 421 and the second slot 422 form a torsion-resistant slot 420 with the base 110 or the housing 120.
The first slot post 421 and the second slot post 422 may be disposed on the base 110 or the housing 120, the first slot post 421 and the second slot post 422 form a torsion slot 420 with the surface of the base 110 or the surface of the housing 120, and the torsion block 410 is embedded into the torsion slot 420 to form a tightly fitting assembly, thereby increasing the torsion resistance of the VCM motor.
It should be noted that, in this embodiment, the biasing area 300 includes a biasing seat 310 connected to the base 110, and a biasing housing 320 connected to the housing 120, where the biasing seat 310 and the biasing housing 320 enclose a chamber, and the torsion structure 400 and the winding post 500 are located in the chamber.
The bias area 300 is formed by a bias base 310 and a bias shell 320, the bias base 310 and the bias shell 320 are enclosed to form a chamber, the torsion-resistant structure 400 and the winding post 500 are placed in the chamber, and the bias arrangement is unified, so that the length and width dimensions of the VCM motor can be saved.
In this embodiment, the torsion block 410 is integrally formed with the carrier 210, and the first slot 421 and the second slot 422 are integrally formed with the base 110 or the housing 120. The offset housing 320 is integrally formed with the housing 120 and the offset seat 310 is integrally formed with the base 110.
The integrated into one piece spare does not have the concatenation vestige, puts into the make-up machine with the material and once only forms out, does not have the concatenation vestige, and relatively better quality, life is longer, compares in the components of a whole that can function independently spare that later stage is connected, and the structural rigidity of integrated into one piece is more firm, and the components of a whole that can function independently spare that later stage is connected, has hidden the weak point in the gap department, and integrated into one piece spare does not have hidden weak point.
In the present embodiment, the first elastic member 220 and the second elastic member 230 are connected to the magnet assembly 250 or the fixing portion 100.
The first elastic member 220 and the second elastic member 230 may be connected and fixed to the housing 120 and the base 110, respectively, or may be connected to the upper and lower surfaces of the magnet assembly 250.
In other embodiments, a camera may be provided that includes the compact VCM motor of embodiment 1.
Further, in other embodiments, an electronic device may also be provided, including the camera in the foregoing embodiments.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A compact VCM motor, comprising:
the fixing part comprises a base and a shell buckled on the base;
the focusing part comprises a carrier for carrying the optical lens, a first elastic piece and a second elastic piece which are elastically connected with the carrier and the fixing part and allow the carrier to move along the optical axis direction of the optical lens relative to the fixing part, a coil wound on the carrier, and a magnet group which is matched with the coil and drives the carrier to move;
one side of the fixing part is provided with a biasing area, the biasing area can be provided with a torsion-resistant structure and/or a winding post, and two ends of the coil are bound on the winding post.
2. The compact VCM motor according to claim 1, wherein the magnet group includes four magnets located at four corner regions of the fixed portion.
3. The compact VCM motor of claim 1, wherein the torsion structure includes a torsion block disposed on the carrier and a torsion slot disposed on the base or the housing, the torsion block being embedded in and closely conforming to the torsion slot.
4. A compact VCM motor according to claim 3, wherein the base or housing is provided with a first slot post and a second slot post, the first slot post and the second slot post forming a torsion slot with the base or housing.
5. The compact VCM motor of claim 4, wherein the torsion block is integrally formed with the carrier, and the first slot post, the second slot post are integrally formed with the base or the housing.
6. A compact VCM motor according to claim 1, wherein the biasing zone includes a biasing seat connected to the base, a biasing housing connected to the housing, the biasing seat and biasing housing enclosing a chamber, the torsion structure and/or winding post being located within the chamber.
7. The compact VCM motor of claim 6, wherein the biasing seat is integrally formed with the base and the biasing housing is integrally formed with the housing.
8. The compact VCM motor according to claim 1, wherein the first elastic member and the second elastic member are connected to the magnet group or the fixing portion.
9. A camera comprising a compact VCM motor according to any one of claims 1-8.
10. An electronic device comprising the camera of claim 9.
CN202310653413.9A 2023-06-05 2023-06-05 VCM motor, camera and electronic device with compact structure Pending CN116961357A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310653413.9A CN116961357A (en) 2023-06-05 2023-06-05 VCM motor, camera and electronic device with compact structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310653413.9A CN116961357A (en) 2023-06-05 2023-06-05 VCM motor, camera and electronic device with compact structure

Publications (1)

Publication Number Publication Date
CN116961357A true CN116961357A (en) 2023-10-27

Family

ID=88459288

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310653413.9A Pending CN116961357A (en) 2023-06-05 2023-06-05 VCM motor, camera and electronic device with compact structure

Country Status (1)

Country Link
CN (1) CN116961357A (en)

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