CN113193723A - Lens driving device, camera device and electronic equipment - Google Patents
Lens driving device, camera device and electronic equipment Download PDFInfo
- Publication number
- CN113193723A CN113193723A CN202110196252.6A CN202110196252A CN113193723A CN 113193723 A CN113193723 A CN 113193723A CN 202110196252 A CN202110196252 A CN 202110196252A CN 113193723 A CN113193723 A CN 113193723A
- Authority
- CN
- China
- Prior art keywords
- base
- coil
- lens driving
- driving device
- terminal
- 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
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Classifications
-
- 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
-
- 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
- G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic 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
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
-
- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses a lens driving device, which comprises a fixed part and a movable part, wherein the fixed part comprises a base, a first coil arranged on the base and an outer cover matched with the base; the movable part comprises a carrier arranged in the outer cover, a frame arranged between the shell and the carrier, a second coil arranged along the outer surface of the carrier, and a magnet arranged outside the second coil; the first coil is provided with at least two electric connection parts, at least three first coils are arranged at the lower end of the magnet, and the electric connection parts can be positioned at any positions of the first coils; and the base is internally provided with a conductor which is connected and conducted with the electrical connection part. According to the connection and matching mode of the terminal arranged in the base and the first coil, the metal conductor is fully distributed in the base, so that the terminal can be arranged in a smaller space, the structure of the whole driving device can be more miniaturized, the wire arrangement is not needed, the processing flow is simplified, and the cost is saved.
Description
Technical Field
The present invention relates to the field of OIS motors, and more particularly, to a lens driving apparatus for an OIS motor, and a camera apparatus and an electronic apparatus having the lens driving apparatus.
Background
The present invention provides an optical unit with an auto-focusing anti-shake correction function, which comprises an OIS movable part, an OIS fixed part, an auto-focusing module …, and the like, wherein a coil of the OIS fixed part and a control driving part account for most of the material cost.
Disclosure of Invention
The present invention is directed to a lens driving apparatus for an OIS motor, and a camera apparatus and an electronic device having the lens driving apparatus, which solve the problems of the prior art.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
a lens driving device comprising:
the fixing part comprises a base, a first coil arranged on the base and an outer cover matched with the base;
a movable part, which comprises a carrier arranged in the outer cover, a frame arranged between the shell and the carrier, a second coil arranged along the outer surface of the carrier, and a magnet arranged outside the second coil;
the first coil is provided with at least two electric connection parts, at least three first coils are arranged at the lower end of the magnet, and the electric connection parts can be positioned at any positions of the first coils;
and the base is internally provided with a conductor which is connected and conducted with the electrical connection part.
Furthermore, a terminal is embedded in the base, suspension wires are arranged at four corners of the base, one end of each suspension wire is connected with one end of the terminal in the base, and the other end of each suspension wire is connected to the movable part.
Further, the electrical connection portion on the first coil at least includes a connection portion a and a connection portion B.
Further, the terminal a and the terminal B may be provided within an arbitrary wiring range of the first coil.
Furthermore, the magnet is positioned in the frame body.
A photographic apparatus has the lens driving apparatus of the above-described structure.
An electronic device having the photographic apparatus of the above-described structure.
Compared with the prior art, the invention has the beneficial effects that:
the terminal that sets up in the base is connected and the cooperation mode of first coil, is covered with metallic conductor in the base, can walk the terminal in less space for whole drive arrangement's structure can be more miniaturized, also need not the reason line, simplifies the processing procedure, practices thrift the cost.
Drawings
Fig. 1 is a schematic view of a lens driving apparatus according to the present invention.
Fig. 2 is a schematic diagram of a lens driving apparatus (not including an optical lens, a cover, and a carrier).
Fig. 3 is a schematic view of a base, a conductor, a terminal and a suspension according to the present invention.
Fig. 4 is a schematic view of an electrical conductor, terminal and suspension according to the present invention.
FIG. 5 is a schematic view of a base, a first coil, a second coil, and a magnet according to the present invention.
FIG. 6 is a schematic view of a base, a carrier, a second coil and a magnet according to the present invention.
Wherein the reference numerals
10 fixed part
20 movable part
30 optical lens
11 base
111 terminal
112 suspension wire
12 first coil
121 electrical connection part
122 connecting part A
123 connecting part B
13 outer cover
21 vector
22 frame body
23 second coil
24 magnet
25 electric conductor
26 upper spring plate
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 6, the lens driving apparatus of the present invention mainly includes a fixed portion 10 and a movable portion 20.
The fixing part 10 comprises a base 11, a first coil 12 arranged on the base 11, and an outer cover 13 matched with the base 11; the movable portion 20 includes a carrier 21 provided in the outer cover 13, a frame 22 provided between the housing and the carrier 21, a second coil 23 provided along an outer surface of the carrier 21, and a magnet 24 provided outside the second coil 23.
An optical lens 30 is disposed on the carrier 21 of the movable portion 20, and the optical lens 30 can move back and forth along the entering direction of the light under the driving of the movable portion 20. The optical lens 30 of the present invention is a prior art, and the present embodiment does not provide any improvement, and the structure and principle thereof are the same as those of the prior art, so that the detailed description thereof is omitted.
Example 1
In the present embodiment, the second coil 23 is electrically connected to the first coil 12 through a connector (not shown), and the first coil 12 is electrically connected to the conductor 25 through the connection portion B123.
The second coil 23 and its connector lug are the prior art, and the present embodiment does not make any improvement, and the structure and principle thereof are the same as those in the prior art, so detailed description is omitted here.
In this embodiment, the first coils 12 are disposed on the upper surface of the base 11, the number of the first coils 12 is four, the first coils 12 are disposed on four sides of the base 11, a magnet 24 is disposed above each of the first coils 12, the inner side of the magnet 24 is a second coil 23, and the outer side and the top of the magnet 24 are a frame 22.
The connection portion B123 is disposed on the first coil 12, and it should be noted that the connection portion B123 in this embodiment is used to connect and conduct the first coil 12 and the conductive body 25, and a person skilled in the art may dispose the connection portion B123 at any position of the first coil 12 according to requirements, and is not limited to the disposition position in the drawing, and the position of the connection portion B123 in the drawing is merely for illustration and understanding.
The connection portion B123 includes a connection portion a122 and a connection portion B, in this embodiment, the connection portion a122 and the connection portion B are protruded inward, and the first coil 12 is electrically connected to the conductor 25 through the connection portion a122 and the connection portion B. It should be noted that the connection portion a122 and the connection portion B may be disposed at any position of the first coil 12 as required by those skilled in the art, and are not limited to the disposed positions in the drawings, and the positions of the connection portion a122 and the connection portion B are only for illustration and understanding.
The conductor 25 is arranged in the base 11, one end of the conductor 25 is bent upwards to extend out of the upper surface of the base 11 and is connected and conducted with the connection part a122 or the connection part B of the first coil 12, the other end of the conductor 25 is located at the edge position of the base 11, and the other end of the conductor 25 is bent downwards to extend out of the lower surface of the base 11 and is used for being connected with a power supply.
In this embodiment, a terminal 111 and a suspension wire 112 are further respectively disposed at four corners of the base 11, the terminal 111 is embedded in a corner of the base 11, a bottom end of the suspension wire 112 is connected to the terminal 111, a main body of the suspension wire 112 passes through the lower elastic sheet, and a top end of the suspension wire 112 is connected to the upper elastic sheet 26. The upper spring 26 in this embodiment is disposed on the upper surface of the frame 22, and the lower spring is disposed below the frame 22 (the lower spring is not shown in the drawings, and the upper spring 26 and the lower spring are disposed substantially symmetrically on the upper and lower sides of the frame 22).
The electric conductor 25 and the first coil 12 arranged in the base 11 of the present embodiment are connected and matched, the electric conductor 25 is fully distributed in the base 11, and the electric conductor 25 can be distributed in a smaller space, so that the structure of the whole lens driving device can be more miniaturized, the wire arrangement is not needed, the processing flow is simplified, and the cost is saved.
Example 2
A photographic apparatus having the lens driving apparatus as described in example 2. In the present embodiment, other structures of the camera device are the same as those of the prior art, and therefore, will not be described in detail herein.
Example 3
An electronic device having the photographic apparatus as described in embodiment 3. In the embodiment, other structures of the electronic device are the same as those of the prior art, and therefore, detailed description thereof is omitted.
In the above embodiments, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for the purpose of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A lens driving device comprising:
a fixed part which comprises a base,
A first coil arranged on the base,
And an outer cover matched with the base;
a movable part including a carrier disposed in the outer cover,
A frame body arranged between the shell and the carrier,
A second coil arranged along the outer surface of the carrier,
A magnet disposed outside the second coil;
the method is characterized in that: the first coil is provided with at least two electric connection parts, at least three first coils are arranged at the lower end of the magnet,
the electrical connection part can be positioned at any position of the first coil;
the base is internally provided with a conductor,
the conductor is electrically connected to the electrical connection portion.
2. The lens driving device according to claim 1, wherein a terminal is embedded in the base, and a suspension wire is provided at a corner portion of the base, one end of the suspension wire being connected to an end portion of the terminal in the base, and the other end of the suspension wire being connected to the movable portion.
3. The lens driving device according to claim 1, wherein the electrical connection portion on the first coil includes at least a connection portion a and a connection portion B.
4. The lens driving device according to claim 3, wherein the terminal A and the terminal B are provided within an arbitrary wiring range of the first coil.
5. The lens driving device according to claim 1, wherein the magnet is located in the housing.
6. A photographic apparatus having the lens driving apparatus according to any one of claims 1 to 5.
7. An electronic apparatus characterized by having the camera according to claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110196252.6A CN113193723A (en) | 2021-02-22 | 2021-02-22 | Lens driving device, camera device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110196252.6A CN113193723A (en) | 2021-02-22 | 2021-02-22 | Lens driving device, camera device and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113193723A true CN113193723A (en) | 2021-07-30 |
Family
ID=76972969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110196252.6A Pending CN113193723A (en) | 2021-02-22 | 2021-02-22 | Lens driving device, camera device and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113193723A (en) |
-
2021
- 2021-02-22 CN CN202110196252.6A patent/CN113193723A/en active Pending
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| PB01 | Publication | ||
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