CN116095438B

CN116095438B - Aperture shutter adjusting device, camera module and mobile terminal

Info

Publication number: CN116095438B
Application number: CN202211735269.5A
Authority: CN
Inventors: 龚高峰; 王建华; 项建军
Original assignee: Shanghai BL Electronics Co Ltd
Current assignee: Shanghai BL Electronics Co Ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-09-15
Anticipated expiration: 2042-12-31
Also published as: CN116095438A; WO2024138857A1

Abstract

The application provides an aperture shutter adjusting device, an imaging module and a mobile terminal. The aperture shutter adjusting device comprises a shell and a base, wherein the shell is covered on the base and forms a containing space with the base, and the aperture shutter adjusting device further comprises a base arranged in the containing space: a first rotation support shaft; the second rotary supporting shaft is arranged between the first rotary supporting shaft and the base; a shutter blade group disposed on a side of the first rotation support shaft away from the second rotation support shaft; the aperture blade group is arranged on one side of the second rotary supporting shaft, which is close to the first rotary supporting shaft; the driving magnet assembly is arranged on the base; a first driving coil assembly; the second driving coil assembly is arranged on the second rotating support shaft corresponding to the driving magnet assembly. The application solves the problems of large volume and adverse effect on miniaturization of the structure of the camera device in the prior art.

Description

Aperture shutter adjusting device, camera module and mobile terminal

Technical Field

The application relates to the field of optical lens equipment, in particular to an aperture shutter adjusting device, an imaging module and a mobile terminal.

Background

In the camera technology, the exposure of the camera directly affects the quality of the photographed film, and the aperture device and the shutter device in the mechanical device affecting the exposure have a remarkable effect. The different combinations of the shutter and the aperture can meet the exposure requirements of different environments, and the stability of the shutter speed and the switching precision of the aperture directly influence the imaging quality, so that the design of the shutter and the aperture is a link with higher optical machine design requirements in optical products.

In order to improve the removability and maintainability of the lens, the aperture and the shutter in the lens are often made into two relatively independent modules, which are collectively called an exposure unit, for controlling the light entering amount of the lens. In the optical axis direction, the exposure unit may include a shutter base, an aperture blade, an aperture moving ring, and an aperture fixing ring in this order, and a guide rod on the aperture fixing ring passes through the aperture blade to fix the aperture blade on the shutter base. The exposure unit with the structural layout needs two elements of the aperture fixing ring and the shutter base to install the aperture blade, so that the size (thickness) of the exposure unit in the optical axis direction is large, and the miniaturization of the lens is not facilitated.

Therefore, the prior art has the problem that the imaging device is large in size and is unfavorable for the miniaturization of the structure.

Disclosure of Invention

The application mainly aims to provide an aperture shutter adjusting device, an imaging module and a mobile terminal, so as to solve the problems that in the prior art, the imaging device is large in size and is not beneficial to miniaturization of a structure.

In order to achieve the above object, according to one aspect of the present application, there is provided an aperture shutter adjusting apparatus including a housing and a base, the housing being covered on the base and forming a receiving space with the base, the aperture shutter adjusting apparatus further including: a first rotation support shaft; the second rotating support shaft is arranged between the first rotating support shaft and the base, and the first rotating support shaft and the second rotating support shaft are respectively and electrically connected with the base; the shutter blade group is arranged on one side of the first rotating support shaft far away from the second rotating support shaft and is connected with the base; the aperture blade group is arranged on one side of the second rotary supporting shaft, which is close to the first rotary supporting shaft, and is connected with the base; the driving magnet assembly is arranged on the base and is positioned between the first rotating support shaft and the second rotating support shaft; the first driving coil assembly is arranged on the first rotating support shaft corresponding to the driving magnet assembly; the second driving coil assembly is arranged on the second rotating support shaft corresponding to the driving magnet assembly.

Further, when the first driving coil assembly is electrified, the first rotating support shaft rotates relative to the base under the interaction of the first driving coil assembly and the driving magnet assembly, and the shutter blade group rotates relative to the base along with the first rotating support shaft; when the second driving coil assembly is electrified, the second rotating support shaft rotates relative to the base under the interaction of the second driving coil assembly and the driving magnet assembly, and the aperture blade group rotates relative to the base along with the second rotating support shaft.

Further, the surface or the inside of base is inlayed and is equipped with first electric connection spare, and the surface or the inside of first rotation back shaft is inlayed and is equipped with the second electric connection spare, and first driving coil subassembly is connected with second electric connection spare electricity, and aperture shutter adjusting device still includes first elastic connection subassembly, and first elastic connection subassembly sets up along the circumference of first rotation back shaft and is connected with first electric connection spare and second electric connection spare respectively.

Further, the first elastic connecting assembly comprises a plurality of first elastic pieces, and two ends of each first elastic piece are welded with the first electric connecting piece and the second electric connecting piece respectively.

Further, the first elastic piece comprises a bending section and welding sections arranged at two ends of the bending section, and the two welding sections are respectively welded with the first electric connecting piece and the second electric connecting piece.

Further, the number of the first elastic pieces is four, and the four first elastic pieces are arranged at equal intervals around the circumference of the first rotation support shaft.

Further, a third electric connecting piece is embedded on the surface or the inside of the second rotating support shaft, the second driving coil component is electrically connected with the third electric connecting piece, the aperture shutter adjusting device further comprises a second elastic connecting component, and the second elastic connecting component is arranged on the periphery of one side, close to the first rotating support shaft, of the second rotating support shaft.

Further, the second elastic connecting assembly comprises two second elastic pieces, the two second elastic pieces are symmetrically arranged relative to the second rotation supporting shaft, and two ends of the second elastic pieces are welded with the second electric connecting piece and the third electric connecting piece respectively.

Further, the base has the bounding wall that extends towards the shell, and drive magnetite subassembly sets up on the bounding wall, and first rotation supporting axle cover is established in the outside of bounding wall, and the second rotation supporting axle sets up in the inside of bounding wall.

Further, the shroud has a mounting opening in which at least a portion of the drive magnet assembly is disposed.

Further, the first rotation support shaft includes: the top plate is arranged opposite to the second rotating support shaft, and the shutter blade group is arranged on one side of the top plate away from the second rotating support shaft; at least two mounting panels, two mounting panels are connected with the roof respectively and extend towards the base, and the axis of mounting panel and bounding wall is parallel to each other, and first driving coil subassembly sets up on the mounting panel.

Further, the lateral wall of bounding wall corresponds the mounting panel and is provided with the spacing groove, and the one end that the roof was kept away from to the mounting panel is located the inside of spacing groove, and in the direction of rotation of first rotation back shaft, the length of spacing groove is greater than the length of mounting panel.

Further, the limiting grooves are two, the two limiting grooves are in one-to-one correspondence with the two mounting plates, the aperture shutter adjusting device further comprises a plurality of first balls, the bottom surface of the limiting groove is provided with a plurality of first mounting grooves, and at least one first ball is arranged in each first mounting groove.

Further, one of the two mounting plates is provided with a V-shaped groove extending along the length direction of the mounting plate towards the bottom surface of the limiting groove, and the other mounting plate is provided with a U-shaped groove extending along the length direction of the mounting plate towards the bottom surface of the limiting groove.

Further, the coaming has a plurality of first fixed columns and a plurality of second fixed columns towards one side of shell, and shutter blade group passes through first fixed column and is connected with the coaming, and aperture blade group passes through the second fixed column and is connected with the coaming.

Further, the top plate is provided with a plurality of first toggle posts corresponding to the shutter blade group, and the shutter blade group is sleeved on the first toggle posts.

Further, one side of the top plate far away from the second rotation support shaft is further provided with at least one first limiting boss, and the distance from the first limiting boss to the top of the shell is smaller than the distance from the first toggle post to the top of the shell.

Further, the second rotation support shaft is provided with a plurality of second poking posts corresponding to the aperture blade group, and the aperture blade group is sleeved on the second poking posts.

Further, the top plate is provided with avoidance holes corresponding to the first fixing column, the second fixing column and the second stirring column.

Further, the inner side wall of the coaming is provided with at least one limiting protrusion, the second rotating support shaft is provided with a rotating groove corresponding to the limiting protrusion, and a rotating gap is formed between the inner side wall of the rotating groove and the limiting protrusion in the rotating direction of the second rotating support shaft.

Further, the aperture shutter adjusting device further comprises a plurality of second balls, the base is provided with a plurality of second mounting grooves corresponding to the second rotating support shafts, at least one second ball is arranged in each second mounting groove, and the second rotating support shafts are provided with V-shaped grooves and/or U-shaped grooves corresponding to different second mounting grooves.

Further, the driving magnet assembly comprises two driving magnets symmetrically arranged about the second rotation support axis; the first driving coil assembly comprises first driving coils corresponding to the two driving magnets; the second driving coil assembly comprises second driving coils corresponding to the two driving magnets, different first driving coils are arranged on the first rotating support shaft through different FPC boards, different second driving coils are arranged on the second rotating support shaft through different FPC boards, and each FPC board is provided with a position detection assembly.

Further, the aperture shutter adjusting device further comprises two groups of first magnetizer assemblies and two groups of second magnetizer assemblies, wherein the two groups of first magnetizer assemblies are arranged on one side of the first rotating support shaft opposite to the second rotating support shaft corresponding to the two driving magnets, and the two groups of second magnetizer assemblies are arranged on one side of the second rotating support shaft opposite to the first rotating support shaft corresponding to the two driving magnets.

According to another aspect of the present application, there is provided an image capturing module including the aperture shutter adjusting device described above.

According to another aspect of the present application, a mobile terminal is provided, including the camera module described above.

By applying the technical scheme of the application, the aperture shutter adjusting device comprises a shell and a base, wherein the shell is covered on the base and forms a containing space with the base, and the aperture shutter adjusting device further comprises a first rotating support shaft, a second rotating support shaft, a shutter blade group, an aperture blade group, a driving magnet assembly, a first driving coil assembly and a second driving coil assembly which are arranged in the containing space. The second rotary supporting shaft is arranged between the first rotary supporting shaft and the base, and the first rotary supporting shaft and the second rotary supporting shaft are respectively and electrically connected with the base; the shutter blade group is arranged on one side of the first rotary supporting shaft far away from the second rotary supporting shaft and is connected with the base; the aperture blade group is arranged on one side of the second rotary supporting shaft, which is close to the first rotary supporting shaft, and is connected with the base; the driving magnet assembly is arranged on the base and is positioned between the first rotating support shaft and the second rotating support shaft; the first driving coil component is arranged on the first rotating support shaft corresponding to the driving magnet component; the second driving coil component is arranged on the second rotating supporting shaft corresponding to the driving magnet component.

When the aperture shutter adjusting device is used, the shutter blade group can be driven to move by the first rotating support shaft to adjust the shutter light quantity, and meanwhile, the aperture size can be adjusted by driving the aperture blade group to move by the second rotating support shaft. In addition, the first rotary supporting shaft, the second rotary supporting shaft, the shutter blade group and the aperture blade group are all arranged in the same accommodating space surrounded by the shell and the base, so that the internal structure of the aperture shutter adjusting device is more compact. In addition, in the present application, the first driving coil assembly and the second coil driving assembly share the same driving magnet assembly, so that the miniaturization design of the lens can be facilitated. Therefore, the aperture shutter adjusting device effectively solves the problems that the imaging device in the prior art is large in size and is not beneficial to miniaturization of the structure.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

fig. 1 shows a schematic configuration of an aperture shutter adjusting apparatus according to a specific embodiment of the present application;

fig. 2 shows an exploded view of the aperture shutter adjustment device in fig. 1;

fig. 3 shows a schematic structural view of a base of the aperture shutter adjustment device in fig. 2;

fig. 4 is a schematic diagram showing a positional relationship between a second rotation support shaft and a diaphragm blade group of the diaphragm shutter adjusting apparatus in fig. 2;

fig. 5 is a schematic view showing the structure of a second rotation support shaft of the aperture shutter adjusting apparatus in fig. 2;

fig. 6 is a schematic view showing a positional relationship between a base and a second rotation support shaft of the aperture shutter adjusting apparatus in fig. 2;

FIG. 7 is a schematic view showing the positional relationship of the first electrical connector and the third electrical connector of the aperture shutter adjusting apparatus in FIG. 1;

fig. 8 is a schematic structural view showing a first rotation support shaft of the aperture shutter adjusting apparatus in fig. 2;

fig. 9 is a schematic view showing a positional relationship between a first rotation support shaft and a base of the aperture shutter adjusting apparatus in fig. 2;

fig. 10 is a schematic diagram showing a positional relationship between a first electrical connector and a second electrical connector of the aperture shutter adjusting apparatus in fig. 1.

Wherein the above figures include the following reference numerals:

10. a housing; 20. a base; 21. a first electrical connection; 22. coaming plate; 221. a mounting opening; 222. a limit groove; 2221. a first mounting groove; 223. a first fixing column; 224. a second fixing column; 225. a limit protrusion; 30. a first rotation support shaft; 31. a second electrical connection; 32. a top plate; 321. a first toggle post; 322. the first limiting boss; 323. avoidance holes; 33. a mounting plate; 331. a V-shaped groove; 332. a U-shaped groove; 40. a second rotation support shaft; 41. a third electrical connection; 42. a second toggle post; 43. a rotary groove; 44. a second mounting groove; 50. a shutter blade group; 60. an aperture blade group; 70. driving the magnet assembly; 80. a first driving coil assembly; 90. a second driving coil assembly; 100. a first elastic connection assembly; 110. a second elastic connection assembly; 200. a first ball; 300. a second ball; 400. an FPC board; 500. a position detection assembly; 600. a first magnetizer assembly; 700. a second magnetizer assembly.

Detailed Description

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 application will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present application, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present application.

In order to solve the problems that in the prior art, a camera device is large in size and is unfavorable for miniaturization of a structure, the application provides an aperture shutter adjusting device, a camera module and a mobile terminal.

The mobile terminal of the present application includes an imaging module of the present application, and the imaging module of the present application includes the following aperture shutter adjustment device.

As shown in fig. 1 to 10, the aperture shutter adjusting apparatus in the present application includes a housing 10 and a base 20, the housing 10 being covered on the base 20 and forming a receiving space with the base 20, and further includes a first rotation support shaft 30, a second rotation support shaft 40, a shutter blade group 50, an aperture blade group 60, a driving magnet assembly 70, a first driving coil assembly 80, and a second driving coil assembly 90 disposed inside the receiving space. The second rotary support shaft 40 is disposed between the first rotary support shaft 30 and the base 20, and the first rotary support shaft 30 and the second rotary support shaft 40 are electrically connected to the base 20, respectively; the shutter blade group 50 is disposed at a side of the first rotation support shaft 30 away from the second rotation support shaft 40, and is connected to the base 20; the aperture blade group 60 is disposed on one side of the second rotation support shaft 40 near the first rotation support shaft 30 and connected to the base 20; the driving magnet assembly 70 is arranged on the base 20, and the driving magnet assembly 70 is positioned between the first rotary support shaft 30 and the second rotary support shaft 40; the first driving coil assembly 80 is disposed on the first rotation support shaft 30 corresponding to the driving magnet assembly 70; the second driving coil assembly 90 is disposed on the second rotation support shaft 40 corresponding to the driving magnet assembly 70.

When the aperture shutter adjusting device is used, the shutter quantity can be adjusted by driving the shutter blade group 50 to move through the first rotating support shaft 30, and the aperture size can be adjusted by driving the aperture blade group 60 to move through the second rotating support shaft 40. Further, since the first rotary support shaft 30, the second rotary support shaft 40, the shutter blade group 50, and the diaphragm blade group 60 are all disposed in the same accommodating space defined by the housing 10 and the base 20 in the present application, the internal structure of the diaphragm shutter adjusting apparatus in the present application can be ensured to be more compact. In the present application, the first driving coil block 80 and the second coil block share the same driving magnet block 70, so that a compact design of the lens can be advantageously achieved. Therefore, the aperture shutter adjusting device effectively solves the problems that the imaging device in the prior art is large in size and is not beneficial to miniaturization of the structure.

In the present application, when the first driving coil assembly 80 is energized, the first rotation support shaft 30 rotates relative to the base 20 under the interaction of the first driving coil assembly 80 and the driving magnet assembly 70, and the shutter blade group rotates relative to the base 20 along with the first rotation support shaft 30; when the second driving coil assembly 90 is energized, the second rotation support shaft 40 rotates relative to the base 20 under the interaction of the second driving coil assembly 90 and the driving magnet assembly 70, and the aperture blade group 60 rotates relative to the base 20 along with the second rotation support shaft 40. In one embodiment of the present application, the driving magnet assembly 70 includes two driving magnets symmetrically disposed about the second rotation support shaft 40; the first driving coil assembly 80 includes first driving coils corresponding to the two driving magnets; the second driving coil assembly 90 includes second driving coils corresponding to the two driving magnets, and different first driving coils are disposed on the first rotation support shaft 30 through different FPC boards 400, different second driving coils are disposed on the second rotation support shaft 40 through different FPC boards 400, and each FPC board 400 is provided with a position detecting assembly 500. In the present embodiment, the two first driving coils of the first driving coil assembly 80 can generate tangential force with the two driving magnets in the rotation direction of the first rotation supporting shaft 30, so as to drive the first rotation supporting shaft 30 to rotate, and drive the shutter blade group 50 to open and close through the rotation of the first rotation supporting shaft 30. And by providing the position detecting assembly 500, closed loop control of the first drive coil can be achieved. The principle of the second driving coil assembly 90, the driving magnet, the second rotation supporting shaft 40 and the aperture blade set 60 are the same as the above, and will not be described again.

Of course, in the present application, the position detecting assembly 500 may be provided on only one FPC board 400 of the two FPC boards 400 of the first driving coil assembly 80, and the position detecting assembly 500 is a hall chip and a capacitor at this time. It is also possible to provide the position detecting assembly 500 on only one FPC board 400 of the two FPC boards 400 of the second driving coil assembly 90. Of course, the position detecting assembly 500 may be other elements, such as a position sensor, in the present application, so long as it is ensured that the positions of the first and second rotation support shafts 30 and 40 can be detected.

Specifically, the surface or the inside of the base 20 is embedded with a first electrical connector 21, the surface or the inside of the first rotation support shaft 30 is embedded with a second electrical connector 31, the first driving coil assembly 80 is electrically connected with the second electrical connector 31, the aperture shutter adjusting device further comprises a first elastic connection assembly 100, and the first elastic connection assembly 100 is arranged along the circumferential direction of the first rotation support shaft 30 and is respectively connected with the first electrical connector 21 and the second electrical connector 31. And, the surface or inside of the second rotation support shaft 40 is embedded with a third electrical connector 41, the second driving coil assembly 90 is electrically connected with the third electrical connector 41, the aperture shutter adjusting device further includes a second elastic connection assembly 110, and the second elastic connection assembly 110 is disposed at the periphery of one side of the second rotation support shaft 40 close to the first rotation support shaft 30. The electrical connection of the first driving coil assembly 80 and the second coil driving assembly can be achieved by providing the first electrical connector 21, the second electrical connector 31, the third electrical connector 41, the first elastic connection assembly 100, and the second elastic connection assembly 110 in the present application.

In one embodiment of the present application, the first elastic connection assembly 100 includes a plurality of first elastic members, and both ends of the first elastic members are welded to the first electrical connection member 21 and the second electrical connection member 31, respectively. The first elastic member includes a bending section and welding sections disposed at both ends of the bending section, and the two welding sections are respectively welded with the first electrical connector 21 and the second electrical connector 31. Preferably, the number of the first elastic members is four, and the four first elastic members are disposed at equal intervals around the circumference of the first rotation support shaft 30. The second elastic connection assembly 110 includes two second elastic members symmetrically disposed with respect to the second rotation support shaft 40, and two ends of the second elastic members are welded to the second electrical connection member 31 and the third electrical connection member 41, respectively.

Specifically, the base 20 has a shroud 22 extending toward the housing 10, the drive magnet assembly 70 is provided on the shroud 22, the first rotary support shaft 30 is housed outside the shroud 22, and the second rotary support shaft 40 is provided inside the shroud 22. Preferably, the shroud 22 has a mounting opening 221, at least a portion of the drive magnet assembly 70 being disposed within the mounting opening 221. By means of the arrangement, the internal structure of the aperture shutter adjusting device can be ensured to be more compact.

In one embodiment of the present application, the first rotary support shaft 30 includes a top plate 32 and at least two mounting plates 33, the top plate 32 is disposed opposite to the second rotary support shaft 40, and the shutter blade group 50 is disposed on a side of the top plate 32 away from the second rotary support shaft 40; two mounting plates 33 are respectively connected with the top plate 32 and extend toward the base 20, the mounting plates 33 are parallel to the axis of the coaming 22, and the first driving coil assembly 80 is disposed on the mounting plates 33. And, the lateral wall of bounding wall 22 is provided with spacing groove 222 corresponding mounting panel 33, and the one end that mounting panel 33 kept away from roof 32 is located the inside of spacing groove 222, and in the direction of rotation of first rotation back shaft 30, the length of spacing groove 222 is greater than the length of mounting panel 33. The rotation distance of the first rotation support shaft 30 can be effectively limited by providing the limiting groove 222.

Preferably, the number of the limiting grooves 222 is two, the two limiting grooves 222 are in one-to-one correspondence with the two mounting plates 33, the aperture shutter adjusting device further comprises a plurality of first balls 200, a plurality of first mounting grooves 2221 are arranged on the bottom surface of the limiting groove 222, and at least one first ball 200 is arranged in each first mounting groove 2221. In addition, one of the two mounting plates 33 is provided with a V-groove 331 extending in the longitudinal direction of the mounting plate 33 toward the bottom surface of the limiting groove 222, and the other mounting plate 33 is provided with a U-groove 332 extending in the longitudinal direction of the mounting plate 33 toward the bottom surface of the limiting groove 222. Meanwhile, the aperture shutter adjusting device further includes a plurality of second balls 300, the base 20 is provided with a plurality of second mounting grooves 44 corresponding to the second rotation supporting shafts 40, at least one second ball 300 is provided in each second mounting groove 44, and the second rotation supporting shafts 40 are provided with V-shaped grooves 331 and/or U-shaped grooves 332 corresponding to different second mounting grooves 44.

Specifically, the side of the shroud 22 facing the housing 10 has a plurality of first fixing posts 223 and a plurality of second fixing posts 224, the shutter blade group 50 is connected to the shroud 22 through the first fixing posts 223, and the aperture blade group 60 is connected to the shroud 22 through the second fixing posts 224. The top plate 32 is provided with a plurality of first toggle posts 321 corresponding to the shutter blade group 50, and the shutter blade group 50 is sleeved on the first toggle posts 321. Moreover, the shell 10 is provided with an avoidance groove corresponding to the first poking post 321, so that the blade can be prevented from sliding out of the poking post on the one hand.

Preferably, at least one first limiting boss 322 is further disposed on a side of the top plate 32 away from the second rotation support shaft 40, and a distance from the first limiting boss 322 to the top of the housing 10 is smaller than a distance from the first toggle post 321 to the top of the housing 10. The second rotation support shaft 40 is provided with a plurality of second toggle posts 42 corresponding to the aperture blade group 60, and the aperture blade group 60 is sleeved on the second toggle posts 42. Through setting up first spacing boss 322 can form spacing clearance with the top of shell 10, prevent to receive external force impact or the structure when deformation first stirring post 321 and shell 10 direct butt cause first stirring post 321 block, influence the drive to shutter blade group 50.

Optionally, the top plate 32 is provided with a avoidance hole 323 corresponding to the first fixing post 223, the second fixing post 224, and the second toggle post 42.

Specifically, the inner side wall of the shroud 22 has at least one limiting protrusion 225, the second rotation support shaft 40 is provided with a rotation groove 43 corresponding to the limiting protrusion 225, and a rotation gap is provided between the inner side wall of the rotation groove 43 and the limiting protrusion 225 in the rotation direction of the second rotation support shaft 40. By this arrangement, the rotational distance of the second rotation support shaft 40 can be restricted.

In one embodiment of the present application, the aperture shutter adjusting apparatus further includes two sets of first magnetizer assemblies 600 and two sets of second magnetizer assemblies 700, wherein the two sets of first magnetizer assemblies 600 are disposed on a side of the first rotary support shaft 30 opposite to the second rotary support shaft 40, and the two sets of second magnetizer assemblies 700 are disposed on a side of the second rotary support shaft 40 opposite to the first rotary support shaft 30, corresponding to the two driving magnets. By providing the first and second magnetizer assemblies 600 and 700, the first and second magnetizer assemblies 600 and 700 can be respectively matched with the driving magnet assembly 70 to respectively provide the first and second rotation support shafts 30 and 40 with the force absorbed toward the base 20, thereby ensuring the movement stability of the first and second rotation support shafts 30 and 40.

In the present application, the first electrical connector 21 has an extended end at the bottom of the base 20, so as to ensure that the first electrical connector 21 can be electrically connected with other structures outside the aperture shutter adjusting apparatus.

In the present application, the lengths of the V-shaped groove 331 and the U-shaped groove 332 of the first mounting plate 33 are slightly smaller than the length of the first mounting plate 33, so that it can be ensured that the V-shaped groove 331 and the U-shaped groove 332 can cover all the first mounting grooves 2221 in the corresponding limiting grooves 222. In addition, during actual use, at least a portion of the first ball 200 is located in the first mounting groove 2221, and at least another portion of the first ball 200 is located in the V-shaped groove 331 or the U-shaped groove 332, so that the first rotation support shaft 30 can rotate relative to the base 20 and friction between the first rotation support shaft 30 and the base 20 can be reduced. Meanwhile, the two first mounting plates 33 are provided with V-shaped grooves 331 and U-shaped grooves 332, respectively, in order to prevent the first balls 200 from getting stuck during the rotation of the first rotation support shaft 30. Also, in the present application, the V-shaped groove 331 means that its opening area gradually contracts in a direction approaching the groove bottom, and the U-shaped groove 332 is that its opening area does not change or changes little in a direction approaching the groove bottom. Of course, the opening width of the U-shaped groove 332 may be larger than the diameter of the first ball 200 in the present application. In the application, by arranging more than two adjacent V-shaped grooves for matching and supporting the first ball 200, the first rotation supporting shaft 30 can be limited, and the deflection and the inclination of the first rotation supporting shaft 30 can be reduced. The V-shaped groove 331 or the U-shaped groove 332 of the second rotation support shaft 40 is the same as the above principle, and thus will not be described again.

Preferably, each first mounting groove 2221 is provided with one first ball 200 at an inside thereof, respectively. Each second mounting groove 44 is internally provided with a second ball 300.

In the present application, the distance from the end of the second fixing post 224 connected to the body of the shroud 22 to the top of the casing 10 is greater than the distance from the end of the first fixing post 223 connected to the body of the shroud 22 to the top of the casing 10, and this arrangement ensures that the shutter blade group 50 is positioned above the aperture blade group 60 after the shutter blade group 50 is mounted to the first fixing post 223 and the aperture blade group 60 is mounted to the second fixing post 224.

In one embodiment of the present application, the shutter blade group 50 includes two shutter blades symmetrically disposed about the center of the first rotation support shaft 30, each shutter blade is connected to one first fixing post 223 and one first toggle post 321, and the opening area of the shutter blade corresponding to the first toggle post 321 is larger than the cross-sectional area of the first toggle post 321, thereby ensuring that the first toggle post 321 can rotate the shutter blade with respect to the first fixing post 223 when the first rotation support shaft 30 rotates. In the present embodiment, the principle of the second toggle post 42 and the aperture blade set 60 are the same as the above principle, so that the description thereof is omitted.

From the above description, it can be seen that the above embodiments of the present application achieve the following technical effects:

1. the problems that the camera device in the prior art is large in size and is not beneficial to the miniaturization of the structure are effectively solved;

2. simple structure, stable performance.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides a light ring shutter adjusting device, its characterized in that includes shell (10) and base (20), shell (10) cover is established on base (20) and with base (20) form accommodation space, light ring shutter adjusting device is still including setting up in accommodation space is inside:

a first rotation support shaft (30);

a second rotation support shaft (40), wherein the second rotation support shaft (40) is arranged between the first rotation support shaft (30) and the base (20), and the first rotation support shaft (30) and the second rotation support shaft (40) are respectively electrically connected with the base (20);

a shutter blade group (50), wherein the shutter blade group (50) is arranged at one side of the first rotation support shaft (30) away from the second rotation support shaft (40) and is connected with the base (20);

a diaphragm blade group (60), wherein the diaphragm blade group (60) is arranged on one side of the second rotation support shaft (40) close to the first rotation support shaft (30) and is connected with the base (20);

a drive magnet assembly (70), the drive magnet assembly (70) being disposed on the base (20), and the drive magnet assembly (70) being located between the first rotational support shaft (30) and the second rotational support shaft (40);

a first driving coil assembly (80), wherein the first driving coil assembly (80) is arranged on the first rotation support shaft (30) corresponding to the driving magnet assembly (70);

and the second driving coil assembly (90) is arranged on the second rotating support shaft (40) corresponding to the driving magnet assembly (70).

2. The aperture shutter adjustment device according to claim 1, wherein,

when the first driving coil assembly (80) is electrified, the first rotating support shaft (30) rotates relative to the base (20) under the interaction of the first driving coil assembly (80) and the driving magnet assembly (70), and the shutter blade group (50) rotates relative to the base (20) along with the first rotating support shaft (30);

when the second driving coil assembly (90) is electrified, the second rotation supporting shaft (40) rotates relative to the base (20) under the interaction of the second driving coil assembly (90) and the driving magnet assembly (70), and the aperture blade group (60) rotates relative to the base (20) along with the second rotation supporting shaft (40).

3. The aperture shutter adjustment device according to claim 1, wherein a first electrical connector (21) is embedded in a surface or an inside of the base (20), a second electrical connector (31) is embedded in a surface or an inside of the first rotation support shaft (30), the first driving coil assembly (80) is electrically connected with the second electrical connector (31), the aperture shutter adjustment device further comprises a first elastic connection assembly (100), and the first elastic connection assembly (100) is disposed along a circumferential direction of the first rotation support shaft (30) and is connected with the first electrical connector (21) and the second electrical connector (31), respectively.

4. A diaphragm shutter adjusting apparatus according to claim 3, wherein the first elastic connection assembly (100) comprises a plurality of first elastic members, both ends of which are welded to the first electric connection member (21) and the second electric connection member (31), respectively.

5. The aperture shutter adjustment device according to claim 4, wherein the first elastic member includes a bending section and welding sections provided at both ends of the bending section, and both the welding sections are welded with the first electrical connection member (21) and the second electrical connection member (31), respectively.

6. The aperture shutter adjustment device according to claim 4, wherein the number of the first elastic members is four, and four of the first elastic members are disposed at equal intervals around the circumference of the first rotation support shaft (30).

7. A diaphragm shutter adjusting apparatus according to claim 3, wherein a third electrical connector (41) is embedded in or on the surface of the second rotation support shaft (40), the second driving coil assembly (90) is electrically connected to the third electrical connector (41), the diaphragm shutter adjusting apparatus further comprises a second elastic connection assembly (110), and the second elastic connection assembly (110) is disposed at the periphery of one side of the second rotation support shaft (40) close to the first rotation support shaft (30).

8. The aperture shutter adjustment device according to claim 7, wherein the second elastic connection assembly (110) includes two second elastic members symmetrically disposed with respect to the second rotation support shaft (40), and both ends of the second elastic members are welded to the second electrical connection member (31) and the third electrical connection member (41), respectively.

9. The aperture shutter adjustment device according to claim 1, wherein the base (20) has a shroud plate (22) extending toward the housing (10), the driving magnet assembly (70) is provided on the shroud plate (22), the first rotation support shaft (30) is housed outside the shroud plate (22), and the second rotation support shaft (40) is provided inside the shroud plate (22).

10. The diaphragm shutter adjustment device according to claim 9, wherein the shroud (22) has a mounting opening (221), and at least a portion of the driving magnet assembly (70) is disposed within the mounting opening (221).

11. The aperture shutter adjustment device according to claim 9, wherein the first rotation support shaft (30) includes:

a top plate (32), wherein the top plate (32) is arranged opposite to the second rotation support shaft (40), and the shutter blade group (50) is arranged at one side of the top plate (32) away from the second rotation support shaft (40);

the two mounting plates (33) are respectively connected with the top plate (32) and extend towards the base (20), the mounting plates (33) are parallel to the axis of the coaming (22), and the first driving coil assembly (80) is arranged on the mounting plates (33).

12. The aperture shutter adjustment device according to claim 11, wherein an outer side wall of the shroud plate (22) is provided with a limit groove (222) corresponding to the mounting plate (33), an end of the mounting plate (33) away from the top plate (32) is located inside the limit groove (222), and a length of the limit groove (222) is greater than a length of the mounting plate (33) in a rotation direction of the first rotation support shaft (30).

13. The aperture shutter adjustment device according to claim 12, wherein the number of the limiting grooves (222) is two, the two limiting grooves (222) are in one-to-one correspondence with the two mounting plates (33), the aperture shutter adjustment device further comprises a plurality of first balls (200), a plurality of first mounting grooves (2221) are provided on the bottom surface of the limiting groove (222), and at least one first ball (200) is provided in each first mounting groove (2221).

14. The aperture shutter adjustment device according to claim 13, wherein one of the two mounting plates (33) is provided with a V-shaped groove (331) extending in a longitudinal direction of the mounting plate (33) toward a bottom surface of the limiting groove (222), and the other mounting plate (33) is provided with a U-shaped groove (332) extending in the longitudinal direction of the mounting plate (33) toward a bottom surface of the limiting groove (222).

15. The aperture shutter adjustment device according to claim 11, wherein a side of the shroud (22) facing the housing (10) has a plurality of first fixing posts (223) and a plurality of second fixing posts (224), the shutter blade group (50) is connected to the shroud (22) through the first fixing posts (223), and the aperture blade group (60) is connected to the shroud (22) through the second fixing posts (224).

16. The aperture shutter adjustment device according to claim 11, wherein the top plate (32) is provided with a plurality of first toggle posts (321) corresponding to the shutter blade group (50), and the shutter blade group (50) is sleeved on the first toggle posts (321).

17. The aperture shutter adjustment device according to claim 16, wherein the side of the top plate (32) remote from the second rotation support shaft (40) is further provided with at least one first limit boss (322), and the distance from the first limit boss (322) to the top of the housing (10) is smaller than the distance from the first toggle post (321) to the top of the housing (10).

18. The aperture shutter adjustment device according to claim 15, wherein the second rotation support shaft (40) is provided with a plurality of second toggle posts (42) corresponding to the aperture blade group (60), and the aperture blade group (60) is sleeved on the second toggle posts (42).

19. The aperture shutter adjustment device according to claim 18, wherein the top plate (32) is provided with a relief hole (323) corresponding to the first fixing post (223), the second fixing post (224), and the second toggle post (42).

20. The aperture shutter adjustment device according to claim 9, wherein the inner side wall of the shroud plate (22) has at least one stopper projection (225), the second rotation support shaft (40) is provided with a rotation groove (43) corresponding to the stopper projection (225), and a rotation gap is provided between the inner side wall of the rotation groove (43) and the stopper projection (225) in the rotation direction of the second rotation support shaft (40).

21. The aperture shutter adjustment device according to claim 1, further comprising a plurality of second balls (300), wherein the base (20) is provided with a plurality of second mounting grooves (44) corresponding to the second rotation support shafts (40), at least one second ball (300) is provided in each second mounting groove (44), and the second rotation support shafts (40) are provided with V-shaped grooves (331) and/or U-shaped grooves (332) corresponding to different second mounting grooves (44).

22. The aperture shutter adjustment device according to any one of claims 1 to 21, wherein,

the driving magnet assembly (70) comprises two driving magnets symmetrically arranged about the second rotation support shaft (40);

the first driving coil assembly (80) comprises first driving coils corresponding to the two driving magnets;

the second driving coil assembly (90) comprises second driving coils corresponding to two driving magnets, the first driving coils are arranged on the first rotating support shaft (30) through different FPC boards (400), the second driving coils are arranged on the second rotating support shaft (40) through different FPC boards (400), and each FPC board (400) is provided with a position detection assembly (500).

23. The aperture shutter adjustment device according to claim 22, further comprising two sets of first magnetizer assemblies (600) and two sets of second magnetizer assemblies (700), wherein the two sets of first magnetizer assemblies (600) are disposed on a side of the first rotation support shaft (30) opposite to the second rotation support shaft (40) corresponding to the two driving magnets, and wherein the two sets of second magnetizer assemblies (700) are disposed on a side of the second rotation support shaft (40) opposite to the first rotation support shaft (30) corresponding to the two driving magnets.

24. An image pickup module including the aperture shutter adjustment device according to any one of claims 1 to 23.

25. A mobile terminal comprising the camera module of claim 24.