阅读说明：本技术 透镜驱动装置、照相装置和电子设备 (Lens driving device, camera device and electronic equipment ) 是由 林益民 于 2021-02-22 设计创作，主要内容包括：本发明公开了一种透镜驱动装置,包括一可动部,其包括载体、设置在载体上的第一线圈、设置在载体外侧的框体、设置在框体上的第二线圈、以及与第二线圈配合的第一磁石；一固定部,其包括底座、设置在底座上的第三线圈、以及与第三线圈配合的第二磁石。本发明通过将原可动部中的一部分磁石放置在固定部,将原可动部中的一部分线圈放置在可动部,同时框体无需设置内埋金属与线圈导通,只需通过上弹片和悬丝导通至外部,使可动部的重量减少,且移动时不受邻近磁力干扰,从而实现降低功耗及减少磁干扰的功能。(The invention discloses a lens driving device, which comprises a movable part, a lens driving part and a lens driving part, wherein the movable part comprises a carrier, a first coil arranged on the carrier, a frame arranged outside the carrier, a second coil arranged on the frame, and a first magnet matched with the second coil; and the fixing part comprises a base, a third coil arranged on the base and a second magnet matched with the third coil. The invention places part of the magnet in the original movable part on the fixed part, places part of the coil in the original movable part on the movable part, and the frame body is conducted to the outside only through the upper spring sheet and the suspension wire without arranging embedded metal and is conducted with the coil, so that the weight of the movable part is reduced, and the movable part is not interfered by adjacent magnetic force during moving, thereby realizing the functions of reducing power consumption and magnetic interference.)

1. A lens driving device characterized in that: comprises that

A movable part (1) comprising a carrier (11),

A first coil (12) arranged on the carrier (11),

A frame (13) arranged outside the carrier (11),

A second coil (14) provided in the housing (13),

And a first magnet (15) that cooperates with the second coil (14);

a fixed part (2) which comprises a base (21),

A third coil (22) arranged on the base (21),

And a second magnet (23) that engages with the third coil (22).

2. The lens driving device according to claim 1, wherein: the spring plate is characterized by further comprising an upper spring plate (3) which comprises a first connecting end (31) connected with the carrier (11) and a second connecting portion (32) connected with the frame body (13), and a conductive end (33) is arranged on the outer side of the second connecting portion (32).

3. The lens driving device according to claim 2, wherein: still include hanging silk (4), be equipped with terminal (24) at the edge of base (21), the bottom of hanging silk (4) sets up in terminal (24) department, and it is used for external power supply, and the top of hanging silk (4) is connected with electrically conductive end (33) of last shell fragment (3) and is switched on, and electrically conductive end (33) are connected with second coil (14) and are switched on.

4. The lens driving device according to claim 1, wherein: the second coil (14) and the first magnet (15) are provided with at least two groups, and the two groups are respectively arranged on the opposite positions of the base (21).

5. The lens driving device according to claim 4, wherein: a group of opposite sides of the base (21) are respectively provided with a convex block (211), the first magnet (15) is arranged on the convex block (211), and the second coil (14) is arranged at the top of the first magnet (15).

6. The lens driving device according to claim 1, wherein: the third coils (22) are provided with at least two groups, the second magnets (23) are provided with at least two groups, and the third coils and the second magnets are respectively arranged on the other pair of edges of the base (21).

7. The lens driving device according to claim 6, wherein: the third coil (22) is arranged on the base (21), and the second magnet (23) is arranged on the top of the third coil (22).

8. The lens driving device according to claim 7, wherein: and the other pair of paired edges of the base (21) is internally provided with a conductive terminal (25), the bottom of the conductive terminal (25) is used for being externally connected with a power supply, and the top of the conductive terminal (25) is connected and conducted with the third coil (22).

9. A photographic apparatus, characterized in that: having a lens driving device as claimed in any one of claims 1 to 8.

10. An electronic device, characterized in that: the camera device according to claim 9.

Technical Field

The present invention relates to the field of photographic equipment, and more particularly to a lens driving device, a photographic device, and an electronic apparatus.

Background

The conventional optical unit with an automatic focusing and anti-shake correction function includes an OIS movable portion, an OIS fixed portion, an automatic focusing module …, and the like. Wherein the OIS movable part comprises at least 3 magnets, which causes the problems of heavy weight and high power consumption requirement, and the problem of magnetic interference when the dual-mode OIS is assembled.

Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.

Disclosure of Invention

The invention provides a lens driving device, a photographic device and an electronic device, wherein a part of magnets in an original movable part are arranged on a fixed part, a part of coils in the original movable part are arranged on the movable part, and a frame body is conducted to the outside only through an upper elastic sheet and a suspension wire without additionally arranging embedded metal and is not interfered by adjacent magnetic force during moving, so that the weight of the movable part is reduced, and the functions of reducing power consumption and magnetic interference are realized.

The technical purpose of the invention is realized by the following technical scheme:

a lens driving device includes

A movable part including a carrier,

A first coil disposed on the carrier,

A frame body arranged outside the carrier,

A second coil arranged on the frame body,

And a first magnet cooperating with the second coil;

a fixed part which comprises a base,

A third coil arranged on the base,

And a second magnet fitted with the third coil.

Furthermore, the portable electronic device further comprises an upper elastic sheet, wherein the upper elastic sheet comprises a first connecting end connected with the carrier and a second connecting portion connected with the frame body, and a conductive end is arranged on the outer side of the second connecting portion.

Further, still include the suspension wire, be equipped with the terminal in the edge of base, the bottom of suspension wire sets up in terminal department, and it is used for external power supply, and the top of suspension wire is connected with the electrically conductive end of last shell fragment and is switched on, and electrically conductive end and second coil are connected and are switched on.

Furthermore, the second coil and the first magnet are provided with at least two groups which are respectively arranged on the opposite positions of the base.

Furthermore, a group of opposite sides of the base are respectively provided with a convex block, the first magnet is arranged on the convex block, and the second coil is arranged at the top of the first magnet.

Furthermore, the third coil is provided with at least two groups, the second magnet is provided with at least two groups, and the two groups are respectively arranged on the other pair of edges of the base.

Furthermore, the third coil is arranged on the base, and the second magnet is arranged at the top of the third coil.

Furthermore, the other pair of paired edges of the base is internally provided with a conductive terminal, the bottom of the conductive terminal is used for being externally connected with a power supply, and the top of the conductive terminal is connected and conducted with the third coil.

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.

In conclusion, the invention has the following beneficial effects:

a part of magnets in the original movable part are placed on the fixed part, a part of coils in the original movable part are placed on the movable part, meanwhile, the frame body is not required to be provided with embedded metal to be conducted with the coils, and only the frame body is conducted to the outside through the upper elastic sheet and the suspension wires, so that the weight of the movable part is reduced, and the movable part is not interfered by adjacent magnetic force during moving, and the functions of reducing power consumption and reducing magnetic interference are achieved.

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 lens driving apparatus (without a housing) according to the present invention.

Fig. 3 is a schematic structural view of the movable portion according to the present invention.

Fig. 4 is a schematic structural diagram of the fixing portion according to the present invention.

Fig. 5 is a schematic diagram of the conductive structure of the movable portion according to the present invention.

Fig. 6 is a schematic view of a conductive structure of the fixing portion according to the present invention.

Fig. 7 is a schematic view of the upper spring plate according to the present invention.

Wherein the reference numerals

1 moving part

11 vector

12 first coil

13 frame body

14 second coil

15 first magnet

2 fixed part

21 base

211 bump

22 third coil

23 second magnet

24 terminal

25 conductive terminal

3 Upper spring plate

31 first connection end

32 second connection end

33 conductive terminal

4 suspension wire

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the invention is further described with reference to the figures and the specific embodiments.

As shown in fig. 1 to 7, a lens driving device according to the present invention includes a movable portion 1 and a fixed portion 2.

Wherein, the movable part 1 comprises a carrier 11, a first coil 12 arranged on the carrier 11, a frame 13 arranged outside the carrier 11, a second coil 14 arranged on the frame 13, and a first magnet 15 matched with the second coil 14;

the fixing portion 2 includes a base 21, a third coil 22 provided on the base 21, and a second magnet 23 fitted to the third coil 22.

Example 1

A lens driving device includes a movable portion 1 and a fixed portion 2, the movable portion 1 is used for mounting an optical component, and the movable portion 1 and the optical component are disposed in the fixed portion 2 and movable relative to the fixed portion 2. The optical components in the present embodiment are conventional in the art and therefore will not be described in detail herein.

In the present embodiment, the movable part 1 includes a carrier 11, a first coil 12, a frame 13, a second coil 14, and a first magnet 15.

Wherein, carrier 11 sets up inside, and carrier 11 is used for bearing optical assembly, has seted up the annular groove at the lateral surface of carrier 11, and first coil 12 sets up in the annular groove. A frame 13 is arranged outside the carrier 11 and the first coil 12, a mounting structure is arranged on a group of opposite sides of the frame 13, and a second coil 14 and a first magnet 15 matched with the second coil 14 are arranged in the mounting structure.

In the present embodiment, the movable portion 2 includes a base 21, and the base 21 is provided with a third coil 22 and a second magnet 23 that engages with the third coil 22.

The movable portion 1 and the fixed portion 2 in this embodiment each include a coil and a magnet. Specifically, the second coil 14 and the first magnet 15 of the movable portion 1 are provided in two sets, which are provided on a pair of sides of the base 21, respectively.

A group of opposite sides of the base 21 are respectively provided with a convex block 211, the first magnet 15 is arranged on the convex block 211, and the second coil 14 is arranged at the top of the first magnet 15.

The third coil 22 and the second magnet 23 of the fixing part 2 are provided in two sets, which are respectively provided on the other pair of sides of the base 21. The third coil 22 is provided on the base 21, and the second magnet 23 is provided on the top of the third coil 22.

The innovation of the embodiment is as follows: by placing a part of the magnets in the original movable part on the fixed part and placing a part of the coils in the original movable part on the movable part, the magnets and the coils contained in the movable part can move along with the carrier and the frame body, thereby realizing the function of being not interfered by the adjacent magnetic force during the movement.

Example 2

The other structures of the present embodiment are the same as those of embodiment 1, except that in order to conduct the second coil 14, a conductive structure matched with the second coil 14 is further designed in the present embodiment, the conductive structure includes an upper elastic sheet 3, the upper elastic sheet 3 is disposed on the top of the carrier 11 and the frame 13, and the upper elastic sheet 3 includes a first connecting end 31 connected with the carrier 11 and a second connecting portion 32 connected with the frame 13. Connection terminals to be engaged with the first connection terminals 31 or the second connection terminals 32 are provided on the top of the carrier 11 and the top of the frame 13, respectively.

The upper spring plate 3 further comprises a conductive end 33, and the conductive end 33 is arranged outside the second connecting portion 32 of the upper spring plate 3. The conductive end 33 is connected with the suspension wire 4, the bottom end of the suspension wire 4 is arranged at the terminal 24, the terminal 24 is arranged at the corner of the base 21, the top end of the suspension wire 4 is connected with the conductive end 33 of the upper elastic sheet 3, and the conductive end 33 is connected with the second coil 14. In this embodiment, the bottom end of the terminal 24 is externally connected to a power supply, and the introduced electricity is conducted to the conductive end 33 of the upper elastic sheet 3 through the top end of the suspension wire 4, then conducted to the second connection portion 32 through the conductive end 33, and finally conducted to the second coil 14 through the second connection portion 32.

In addition, in order to conduct electricity to the third coil 22, a conducting terminal 25 is arranged in the other pair of paired edges of the base 21, the bottom of the conducting terminal 25 is used for external power supply, and the top of the conducting terminal 25 is connected and conducted with the third coil 22.

In this embodiment, it is not necessary to provide a buried metal in the frame 13 to conduct with the coil, and it is only necessary to conduct to the outside through the upper spring plate 3 and the suspension wire 4, so that the weight of the movable portion 1 is reduced, and the energy consumption is reduced.

Example 3

A photographic apparatus having the lens driving apparatus described in embodiment 1 or 2.

Example 4

An electronic device having the camera according to embodiment 3.

In this document, 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, and are 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.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.