CN113448051B - Lens driving device, camera device and electronic equipment - Google Patents
Lens driving device, camera device and electronic equipment Download PDFInfo
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- CN113448051B CN113448051B CN202110737077.7A CN202110737077A CN113448051B CN 113448051 B CN113448051 B CN 113448051B CN 202110737077 A CN202110737077 A CN 202110737077A CN 113448051 B CN113448051 B CN 113448051B
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- carrier
- magnet
- lens driving
- driving device
- coil
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- 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
- G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses a lens driving device, which comprises a base, a carrier positioned in the base, a lower elastic sheet arranged between the base and the carrier, a magnet and a coil arranged on the carrier, an inner shell covering the carrier, an outer frame covering the inner shell, and an upper elastic sheet arranged between the inner shell and the outer frame, wherein the magnet and the coil are arranged on the inner shell; the magnet includes the inner circle magnetite of setting in the carrier to and the outer lane magnetite that distributes along the carrier outside, the coil sets up between inner circle magnetite and the outer lane magnetite. According to the lens driving device, the inner ring magnet and the outer ring magnet are arranged on the carrier, so that the magnetic flux is increased on the premise of not increasing the volume of the motor, and the driving force of the lens driving device is improved.
Description
Technical Field
The present invention relates to the field of driving motors, and more particularly, to a lens driving device, a camera device, and an electronic apparatus.
Background
The lens of the camera motor for security protection is heavier than that of a camera motor used on a mobile phone, and larger thrust is needed to push the camera motor. Therefore, there is a need for a lens driving device that can make full use of the internal space of the motor, and increase the driving force of the lens driving device by providing as many magnets as possible in the motor without increasing the volume of the motor.
Disclosure of Invention
The present invention is directed to a lens driving device, a camera device and an electronic 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 comprises a base, a carrier positioned in the base, a lower elastic sheet arranged between the base and the carrier, a magnet and a coil arranged on the carrier, an inner shell covering the carrier, an outer frame covering the inner shell, and an upper elastic sheet arranged between the inner shell and the outer frame;
the magnet includes the inner circle magnetite of setting in the carrier to and the outer lane magnetite that distributes along the carrier outside, the coil sets up between inner circle magnetite and the outer lane magnetite.
Furthermore, the main body of the carrier is of a polygonal structure, mounting grooves are formed in two groups of opposite sides of the polygonal structure respectively, two ends of each mounting groove are respectively provided with a connecting terminal, and an inner ring magnet is arranged in each mounting groove respectively.
Furthermore, the polygonal structure has a long side and a short side, and the mounting groove is arranged on the long side.
Further, the outer ring magnets comprise long magnets and short magnets, the long magnets are arranged along the outer side face of the long edge, and the short magnets are arranged along the outer side face of the short edge.
Furthermore, a limit groove is formed in the short edge of the carrier, the coil passes through the limit groove and is arranged along the edge of the polygonal structure, the inner side of the coil is provided with an inner ring magnet, and the outer side of the coil is provided with an outer ring magnet.
Further, the inner case includes a side panel and an upper end panel;
the side panel comprises a polygonal main body, a hollow structure is arranged in the polygonal main body, the carrier, the magnet and the coil are arranged in the hollow structure, a limiting edge extending inwards is arranged at the top of the polygonal main body, a plurality of through holes are formed in the bottom of the polygonal main body, and the end part of the lower elastic sheet extends out of the through holes;
the upper end plate comprises a plate-shaped main body, an opening is arranged in the plate-shaped main body, a connecting terminal matched connector with the carrier is arranged at the end of the opening, a limiting plate extending downwards is arranged at the opening, a baffle extending downwards is arranged in the connector, the limiting plate is located on the inner side of a mounting groove of the carrier, and the baffle is located on the left side and the right side of the mounting groove of the carrier.
Further, the upper end plate and the side plate are connected through an integrated structure.
Furthermore, the upper end plate is buckled on the side plate through a plurality of connecting pieces arranged at the end part.
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:
by arranging the inner ring magnet and the outer ring magnet on the carrier, the magnetic flux is increased on the premise of not increasing the volume of the motor, so that the driving force of the lens driving device is improved.
Drawings
Fig. 1 is a schematic view of a lens driving apparatus according to the present invention.
Fig. 2 is a schematic view of a base according to the present invention.
Fig. 3 is a schematic view of the base and the lower elastic sheet according to the present invention.
Fig. 4 is a schematic view of the base, the lower spring plate and the carrier according to the present invention.
FIG. 5 is a schematic representation of a vector according to the present invention.
FIG. 6 is a schematic view of a magnet and a coil according to the present invention.
FIG. 7 is a schematic view of a carrier, a magnet, and a coil according to the present invention.
Fig. 8 is a schematic view of an inner housing according to the present invention.
Fig. 9 is a schematic view of an upper end plate according to the present invention.
Fig. 10 is a schematic view of a side panel according to the present invention.
Fig. 11 is a schematic view of a carrier and inner housing according to the present invention.
Fig. 12 is a schematic view of the carrier, the inner housing and the upper spring plate according to the present invention.
Fig. 13 is a schematic view of the carrier, the inner shell, the upper resilient sheet and the outer frame according to the present invention.
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 13, the lens driving device of the present invention includes a base (2), a carrier (1) disposed in the base (2), a lower spring (3) disposed between the base (2) and the carrier (1), a magnet (4) and a coil (5) disposed on the carrier (1), an inner housing (6) covering the carrier (1), an outer frame (7) covering the inner housing (6), and an upper spring (8) disposed between the inner housing (6) and the outer frame (7);
the magnet (4) comprises an inner ring magnet (41) arranged in the carrier (1) and an outer ring magnet (42) distributed along the outer side of the carrier (1), and the coil (5) is arranged between the inner ring magnet (41) and the outer ring magnet (42).
The main body of the carrier (1) is a polygonal structure (11), two groups of opposite sides of the polygonal structure (11) are respectively provided with a mounting groove (12), two ends of each mounting groove (12) are respectively provided with a connecting terminal (13), and an inner ring magnet (41) is respectively arranged in each mounting groove (12).
The polygonal structure (11) is provided with a long side (111) and a short side (112), and the mounting groove (12) is formed in the long side (111).
The outer ring magnet (42) comprises a long magnet (421) and a short magnet (422), the long magnet (421) is arranged along the outer side face of the long edge (111), and the short magnet (422) is arranged along the outer side face of the short edge (112).
The coil is characterized in that a limiting groove (14) is formed in a short side (112) of the carrier (1), the coil (5) is arranged along the edge of the polygonal structure (11) through the limiting groove (14), an inner ring magnet (41) is arranged on the inner side of the coil (5), and an outer ring magnet is arranged on the outer side of the coil (5).
The inner housing (6) comprises a side panel (61) and an upper end panel (62);
the side panel (61) comprises a polygonal main body (611), a hollow structure (612) is arranged inside the polygonal main body (611), the carrier (1), the magnet (4) and the coil (5) are arranged in the hollow structure (612), a limiting edge (613) extending inwards is arranged at the top of the polygonal main body (612), a plurality of through holes (614) are formed in the bottom of the polygonal main body (612), and the end part of the lower elastic sheet (3) extends out through the through holes (614);
the upper end plate (62) includes platelike main body (621), and the inside of platelike main body (621) is equipped with opening (622), be equipped with at the tip of opening (622) with connecting terminal (13) complex connector (623) of carrier (1) opening (622) are equipped with downwardly extending's limiting plate (624), are equipped with downwardly extending's baffle (625) in connector (623), limiting plate (624) are located the inboard of mounting groove (12) of carrier (1), and baffle (625) are located the left and right sides of mounting groove (12) of carrier (1).
The upper end plate (62) and the side panel (61) are connected through an integrated structure.
The upper end plate (62) is buckled on the side plate (61) through a plurality of connecting pieces (626) arranged at the end parts.
Example 1
A lens driving device comprises a base (2), a carrier (1), a lower elastic sheet (3), a magnet (4), a coil (5), an inner shell (6), an outer frame (7) and an upper elastic sheet (8).
The main part of carrier (1) is polygonized structure (11), has seted up mounting groove (12) respectively on two sets of opposite sides of polygonized structure (11), and the both ends that have mounting groove (12) are connecting terminal (13) respectively, at each be equipped with an inner circle magnetite (41) in mounting groove (12) respectively, polygonized structure (11) have long limit (111) and minor face (112), mounting groove (12) are seted up on long limit (111). The coil is characterized in that a limiting groove (14) is formed in a short side (112) of the carrier (1), the coil (5) is arranged along the edge of the polygonal structure (11) through the limiting groove (14), an inner ring magnet (41) is arranged on the inner side of the coil (5), and an outer ring magnet (42) is arranged on the outer side of the coil (5).
The magnet (4) comprises an inner ring magnet (41) arranged in the carrier (1) and an outer ring magnet (42) distributed along the outer side of the carrier (1), and the coil (5) is arranged between the inner ring magnet (41) and the outer ring magnet (42). The outer ring magnet (42) comprises a long magnet (421) and a short magnet (422), the long magnet (421) is arranged along the outer side face of the long edge (111), and the short magnet (422) is arranged along the outer side face of the short edge (112).
The inner housing (6) comprises a side panel (61) and an upper end panel (62); the side panel (61) comprises a polygonal main body (611), a hollow structure (612) is arranged inside the polygonal main body (611), the carrier (1), the magnet (4) and the coil (5) are arranged in the hollow structure (612), a limiting edge (613) extending inwards is arranged at the top of the polygonal main body (612), a plurality of through holes (614) are formed in the bottom of the polygonal main body (612), and the end part of the lower elastic sheet (3) extends out through the through holes (614); upper end plate (62) are equipped with opening (622) including platelike main part (621), the inside of platelike main part (621), be equipped with at the tip of opening (622) with connecting terminal (13) complex connection mouth (623) of carrier (1) opening (622) is equipped with downwardly extending's limiting plate (624), is equipped with downwardly extending's baffle (625) in connection mouth (623), limiting plate (624) are located the inboard of mounting groove (12) of carrier (1), and baffle (625) are located the left and right sides of mounting groove (12) of carrier (1).
In the embodiment, the upper end plate (62) and the side plate (61) can be detachably connected in two ways. The first connection mode is as follows: the upper end plate (62) and the side panel (61) are connected through an integrated structure. The second connection mode is as follows: the upper end plate (62) is buckled on the side plate (61) through a plurality of connecting pieces (626) arranged at the end parts.
Example 2
A photographic apparatus having the lens driving apparatus as described in embodiment 1. 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 apparatus having the photographic device as described in embodiment 2. 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 orientations or positional relationships shown in the drawings, only for the sake of clarity of the technical solution and convenience of description, and thus, should not be construed as limiting the present invention.
The foregoing shows and describes the general principles and features of the present invention, together with the 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 (10)
1. A lens driving device comprises a base (2),
a carrier (1) located within the base (2),
a lower spring (3) arranged between the base (2) and the carrier (1),
a magnet (4) and a coil (5) arranged on the carrier (1),
an inner housing (6) covering the carrier (1),
an outer frame (7) covering the inner housing (6),
and an upper spring (8) arranged between the inner shell (6) and the outer frame (7);
the method is characterized in that: the magnets (4) comprise inner ring magnets (41) arranged in the carrier (1) and outer ring magnets (42) distributed along the outer side of the carrier (1), and the coils (5) are arranged between the inner ring magnets (41) and the outer ring magnets (42);
the main body of the carrier (1) is a polygonal structure (11), two groups of opposite sides of the polygonal structure (11) are respectively provided with an installation groove (12), two ends with the installation grooves (12) are respectively provided with a connecting terminal (13), and an inner ring magnet (41) is respectively arranged in each installation groove (12);
the outer ring magnet (42) comprises a long magnet (421) and a short magnet (422), wherein the long magnet (421) is arranged along the outer side surface of the long edge (111), and the short magnet (422) is arranged along the outer side surface of the short edge (112).
2. The lens driving device according to claim 1, wherein: the main body of the carrier (1) is a polygonal structure (11), two groups of opposite sides of the polygonal structure (11) are respectively provided with a mounting groove (12), two ends of each mounting groove (12) are respectively provided with a connecting terminal (13), and an inner ring magnet (41) is respectively arranged in each mounting groove (12).
3. The lens driving device according to claim 2, wherein: the polygonal structure (11) is provided with a long side (111) and a short side (112), and the mounting groove (12) is formed in the long side (111).
4. The lens driving device according to claim 3, wherein: the outer ring magnet (42) comprises a long magnet (421) and a short magnet (422), the long magnet (421) is arranged along the outer side face of the long edge (111), and the short magnet (422) is arranged along the outer side face of the short edge (112).
5. The lens driving device according to claim 1, wherein: the coil is characterized in that a limiting groove (14) is formed in a short side (112) of the carrier (1), the coil (5) is arranged along the edge of the polygonal structure (11) through the limiting groove (14), an inner ring magnet (41) is arranged on the inner side of the coil (5), and an outer ring magnet (42) is arranged on the outer side of the coil (5).
6. The lens driving device according to claim 1, wherein: the inner housing (6) comprises a side panel (61) and an upper end panel (62);
the side panel (61) comprises a polygonal main body (611), a hollow structure (612) is arranged inside the polygonal main body (611), the carrier (1), the magnet (4) and the coil (5) are arranged in the hollow structure (612), a limiting edge (613) extending inwards is arranged at the top of the polygonal main body (611), a plurality of through holes (614) are formed in the bottom of the polygonal main body (611), and the end part of the lower elastic sheet (3) extends out of the through holes (614);
the upper end plate (62) includes platelike main body (621), and the inside of platelike main body (621) is equipped with opening (622), be equipped with at the tip of opening (622) with connecting terminal (13) complex connector (623) of carrier (1) opening (622) are equipped with downwardly extending's limiting plate (624), are equipped with downwardly extending's baffle (625) in connector (623), limiting plate (624) are located the inboard of mounting groove (12) of carrier (1), and baffle (625) are located the left and right sides of mounting groove (12) of carrier (1).
7. The lens driving device according to claim 6, wherein: the upper end plate (62) and the side panel (61) are connected by an integral structure.
8. The lens driving device according to claim 6, wherein: the upper end plate (62) is buckled on the side plate (61) through a plurality of connecting pieces (626) arranged at the end parts.
9. A photographic apparatus, characterized in that: having a lens driving device as claimed in any one of claims 1-8.
10. An electronic device, characterized in that: having the camera device of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110737077.7A CN113448051B (en) | 2021-06-30 | 2021-06-30 | Lens driving device, camera device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110737077.7A CN113448051B (en) | 2021-06-30 | 2021-06-30 | Lens driving device, camera device and electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN113448051A CN113448051A (en) | 2021-09-28 |
| CN113448051B true CN113448051B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110737077.7A Active CN113448051B (en) | 2021-06-30 | 2021-06-30 | Lens driving device, camera device and electronic equipment |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110022048A (en) * | 2010-07-30 | 2019-07-16 | Lg伊诺特有限公司 | Voice coil motor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112003442A (en) * | 2020-09-15 | 2020-11-27 | 新思考电机有限公司 | Lens driving device, camera device and electronic equipment |
| CN112630927A (en) * | 2020-12-31 | 2021-04-09 | 上海源路电子有限公司 | Lens driving device, camera device and mobile terminal |
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- 2021-06-30 CN CN202110737077.7A patent/CN113448051B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110022048A (en) * | 2010-07-30 | 2019-07-16 | Lg伊诺特有限公司 | Voice coil motor |
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| CN113448051A (en) | 2021-09-28 |
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