WO2022000535A1

WO2022000535A1 - Optical apparatus and electronic device

Info

Publication number: WO2022000535A1
Application number: PCT/CN2020/101465
Authority: WO
Inventors: 史卫领; 郭顺; 王洪兴
Original assignee: 诚瑞光学(常州)股份有限公司
Priority date: 2020-06-30
Filing date: 2020-07-10
Publication date: 2022-01-06
Also published as: CN213581563U

Abstract

Provided is an optical apparatus. The optical apparatus comprises a housing having a containing space, a prism module contained in the containing space, a spring apparatus, which is fixed to the housing and elastically supports the prism module, and a driving apparatus, which drives the prism module to move, the prism module comprising a reflecting prism used for changing a light path of light. The optical apparatus further comprises a universal connection structure used for fixedly connecting the prism module and the housing, and the prism module can rotate around the universal connection structure in different directions. In addition, further provided in the present utility model is an electronic device including the optical apparatus. In the optical apparatus provided in the present utility model, the universal connection structure is used to replace a traditional hemispherical structure, such that the prism module moves around the axial direction during swinging, the problem of the axis not being fixed during movement is solved, the position of same is easy to control, the stability is good, and an anti-shake effect is achieved.

Description

Optical devices and electronic equipment

【Technical field】

The utility model relates to the technical field of optical anti-shake, in particular to an optical device and an electronic device including the optical device.

【Background technique】

When the prism module of the existing optical device moves, because there is no fixed axis, its position control is generally difficult, and the stability of the movement control is poor. One end of the hemispherical structure is a hemispherical protrusion, and the other end is a corresponding groove. When the prism module is swinging, the prism swinging motion cannot move around a fixed axis, and its position control is difficult and the stability is poor.

Therefore, it is necessary to provide a novel optical device and electronic equipment including the optical device to solve the above-mentioned technical problems.

【Content of utility model】

The utility model provides an optical device. By using a universal connection structure to replace the traditional hemispherical structure, the prism module can swing around the axis direction when swinging, avoiding the problem that the axis is not fixed when swinging, thereby achieving optical anti-shake. the goal of.

The optical device provided by the present invention comprises a casing with a receiving space, a prism module set contained in the receiving space, a spring device fixed on the casing and elastically supporting the prism module, and driving the prism module A moving driving device, the prism module includes a reflective prism for changing the optical path of light; the optical device further includes a universal connection structure that is fixedly connected to the prism module and the housing, and the prism module can be Rotate in different directions about the universal joint structure.

Preferably, the universal connection structure includes a first fixing base connected with the prism module, a second fixing base connected with the housing, and a universal connection connecting the first fixing base and the second fixing base The universal joint includes a first universal joint shaft with a first axial direction and a second universal joint shaft with a second axial direction, and the first fixed seat is connected to the first universal joint shaft through the first universal joint shaft. The universal joint is rotatably connected, and the second fixed seat is rotatably connected with the universal joint through the second universal joint shaft.

Preferably, the prism module rotates around the first universal joint axis or the second universal joint axis.

Preferably, the first axis direction and the second axis direction are perpendicular to each other.

Preferably, the second fixing base includes a rotating shaft rotatably connected with the casing, and the prism module can rotate around the rotating shaft.

Preferably, the prism module further includes a base for receiving and carrying the reflecting prism, and the driving device includes a magnetic steel disposed on the surface of the base and a magnetic steel disposed on the casing relative to the magnetic steel. coil.

Preferably, the spring device includes a first fixing frame fixedly connected with the housing, a second fixing frame fixedly connected with the prism module, and elastically connecting the first fixing frame and the second fixing frame elastic arm.

Preferably, the optical device further includes a lens module disposed facing the reflection prism, and the lens module is used to receive the imaging field of view obtained by the reflection prism.

The present invention also provides an electronic device, the electronic device includes any one of the above optical devices.

The optical device and the electronic equipment including the optical device provided by the utility model replace the traditional hemispherical structure with the universal connection structure, so that the prism module can move around the axis direction when it swings, and the axis is not fixed during the movement. The problem is that the position is easy to control, the stability is good, and it has the effect of anti-shake.

【Description of drawings】

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some implementations of the present invention. For example, for those of ordinary skill in the art, under the premise of no creative work, other drawings can also be obtained from these drawings, wherein:

1 is a schematic structural diagram of an optical device according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the separation of the housing of the optical device according to the first embodiment of the present invention;

3 is a schematic cross-sectional view of the optical device along A-A in FIG. 1 according to Embodiment 1 of the present invention;

Fig. 4 is the exploded structure schematic diagram of position X in Fig. 2;

FIG. 5 is an enlarged schematic view of the first fixing base, the second fixing base and the universal connection structure in FIG. 2;

Fig. 6 is the structural representation of the universal connection structure in Fig. 4;

7 is a schematic structural diagram of the optical device provided in Embodiment 2 of the present invention after the casing is separated;

8 is a schematic cross-sectional view of the optical device along A-A in FIG. 1 according to Embodiment 2 of the present invention;

Fig. 9 is the exploded structure schematic diagram of part Y in Fig. 7;

FIG. 10 is an enlarged schematic view of the first fixing base, the second fixing base and the universal connection structure in FIG. 7 .

【detailed description】

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, but not all of them. Example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1:

Please refer to FIG. 1 to FIG. 6 together. Embodiment 1 of the present invention provides an optical device 100 . The device 100 includes a housing 10 having an accommodation space 1 and a lens module 20 accommodated in the accommodation space 1 , Prism module 30, spring device 40 and driving device 50; the casing 10 includes a side wall 11, a casing cover 12 and a casing bottom surface 13 connected with the side wall 11 to form the receiving space 1; the The cover plate 12 is provided with a light hole 2, and the prism module 30 includes a reflection prism 31 for changing the light path; the lens 21 of the lens module 20 faces the direction of the reflection prism 31, so as to realize the The imaging field of view passing through the light hole 2 is reflected to the lens 21 by the reflecting prism 31 of the prism module 30; the spring device 40 is respectively connected to the prism module 30 and the housing 10. Specifically, the The spring device 40 includes a first fixing frame 41 fixedly connected with the housing 10 , a second fixing frame 42 fixedly connected with the prism module 30 , and elastically connecting the first fixing frame 41 and the second fixing frame 42 . The elastic arm 43 of the fixing frame 42 , the spring device 40 surrounds the prism module 30 on three sides and is fixed on the inner side wall of the housing 10 .

The driving device 50 is disposed between the prism module 30 and the casing 10 to drive the prism module 30 to move; specifically, the prism module 30 further includes a receiving and carrying the reflecting prism 31 The base 32 , the driving device 50 includes a magnetic steel 51 disposed on the surface of the base 32 and a coil 52 disposed on the housing 10 relative to the magnetic steel 51 . The driving device 50 is disposed between the side wall 11 and the prism module 30 and between the bottom surface 13 of the casing and the prism module 30 .

The optical device 100 further includes a universal connection structure 60 for fixedly connecting the prism module 30 and the housing 10 , and the prism module 30 can rotate around the universal connection structure 60 in different directions. The universal connection structure 60 includes a first fixing base 61 connected with the prism module 30 , a second fixing base 62 connected with the housing 10 , and connecting the first fixing base 61 and the second fixing base The universal joint 63 of the The second axis directions are perpendicular to each other; the first fixed seat 61 is rotatably connected to the universal joint 63 through the first universal joint shaft 631, and the second fixed seat 62 is connected by the second universal joint The shaft 632 is rotatably connected to the universal joint 63 .

Specifically, in the first embodiment of the present invention, the second fixing seat 62 is fixedly disposed on a side wall 11 away from the lens module 20 and close to the prism module 30 . When the casing moves or shakes, the driving device 50 provides a driving force to the prism module 30, the prism module 30 is acted by the driving force, and the prism module 30 surrounds the first universal joint shaft 631 and the The second universal joint shaft 632 moves, and at the same time, the spring device 40 supports the movement of the prism module 20. After the movement of the prism module 20 is completed, the elastic action of the elastic arm 43 of the spring device 40 makes the prism module 20 move. return to the original position. In this embodiment, since the prism module can rotate around a fixed axis when moving, the position is easy to control and the stability is good.

Embodiment 2:

Please refer to FIG. 7 to FIG. 10 together. Specifically, the difference between the optical device provided in the second embodiment and the optical device provided in the first embodiment is that the second fixing base 62 includes fixedly connecting the universal joint. 63 of the fixing member 621 and the rotating shaft 622, the rotating shaft 622 is fixedly connected to the fixing member 621, and the rotating shaft 622 is rotatably connected to a side wall 11 away from the lens module 20; the prism module 30 It rotates around the first universal joint shaft 631 , the second universal joint shaft 632 and the rotation shaft 622 . When the casing moves or shakes, the driving device 50 provides a driving force to the prism module 30, and the prism module 30 is acted by the driving force, and the prism module 30 can surround the first universal joint shaft 631, The second universal joint shaft 632 and the rotating shaft 622 swing, so as to achieve the purpose of anti-shake. Other structures are the same as those in the first embodiment, and are not repeated here.

The present invention also provides an electronic device, which includes the above-mentioned optical device.

Compared with the prior art, the optical device and the electronic equipment including the optical device provided by the present invention replace the traditional hemispherical structure with a universal connection structure, so that the prism module can move around the axis direction when swinging, avoiding The problem that the axis is not fixed during movement is solved, the position is easy to control, the stability is good, and the effect of optical anti-shake can be better achieved.

The above are only the embodiments of the present utility model. It should be pointed out that for those of ordinary skill in the art, improvements can be made without departing from the inventive concept of the present utility model, but these belong to The scope of protection of the utility model.

Claims

An optical device, characterized in that, the optical device comprises a housing with an accommodation space, a prism module accommodated in the accommodation space, a spring device fixed on the casing and elastically supporting the prism module, and A driving device for driving the movement of the prism module, the prism module includes a reflective prism for changing the light path; the optical device further includes a universal connection structure for fixedly connecting the prism module and the housing, The prism module can rotate in different directions around the universal connection structure.
The optical device according to claim 1, wherein the universal connection structure comprises a first fixing base connected with the prism module, a second fixing base connected with the housing, and a second fixing base connected with the first A universal joint of a fixed base and a second fixed base, the universal joint includes a first universal joint shaft with a first axis direction and a second universal joint shaft with a second axis direction, the first fixed joint The seat is rotatably connected to the universal joint through the first universal joint shaft, and the second fixed seat is rotatably connected to the universal joint through the second universal joint shaft.
The optical device according to claim 2, wherein the prism module rotates around the first universal joint axis or the second universal joint axis.
The optical device according to claim 2, wherein the first axis direction and the second axis direction are perpendicular to each other.
The optical device according to claim 2, wherein the second fixing base comprises a rotating shaft rotatably connected with the housing, and the prism module can rotate around the rotating shaft.
The optical device according to claim 1, wherein the prism module further comprises a base for accommodating and carrying the reflecting prism, and the driving device comprises a magnetic steel disposed on the surface of the base and a base relative to the base. The magnetic steel is arranged on the coil on the casing.
The optical device according to claim 1, wherein the spring device comprises a first fixing frame fixedly connected to the housing, a second fixing frame fixedly connected to the prism module, and elastically connected to the Elastic arms of the first fixed frame and the second fixed frame.
The optical device according to claim 1, characterized in that, the optical device further comprises a lens module disposed facing the reflection prism, and the lens module is used to receive the imaging field of view obtained by the reflection prism.
An electronic device, characterized in that, the electronic device comprises the optical device according to any one of claims 1-8.