Periscopic lens apparatus having integrated variable aperture, camera module, and electronic device

Abstract

Disclosed in the present invention are a periscopic lens apparatus having an integrated variable aperture, a camera module, and an electronic device. An inner portion of a variable aperture housing of a variable aperture assembly is configured as comprising an aperture blade region and a lens accommodating region which are arranged along the direction of an optical axis, as well as a blade drive region which at least partially surrounds the lens accommodating region; when the variable aperture assembly is connected to a lens zoom assembly, a portion of the lens zoom assembly can extend into the lens accommodating region along the direction of the optical axis, i.e. a blade drive portion of the variable aperture assembly is arranged at an outer side of the lens zoom assembly, and after the variable aperture assembly is connected to the lens zoom assembly, the change in length in the direction of the optical axis is merely the sum of the thickness of the lens zoom assembly and the thickness of the aperture blade region and a corresponding variable aperture housing of said region. The overall length experiences little change, and the apparatus as a whole is miniaturized, solving the problem of current periscopic lens apparatuses having difficulty in integrating variable apertures due to size.

Description

Periscope lens device with integrated variable aperture, camera module and electronic equipment Technical Field

[0001] The present invention belongs to the field of camera technology, and in particular relates to a periscope lens device with integrated variable aperture, a camera module and an electronic device. Background Art

[0002] The aperture size of a mobile phone camera is an important factor affecting the photo quality. A large aperture camera has a large aperture, allowing more light to enter the camera module, shortening the shutter time, making it suitable for shooting moving objects. At the same time, it has a shallow depth of field and can also be used in scenes such as blurring the background and highlighting the subject. A small aperture camera has a longer shutter time and is suitable for shooting car tracks and star trails, etc. At the same time, it has a deep depth of field, ensuring the clarity of objects within multiple depth of field ranges.

[0003] Compared to the zoom capabilities of traditional cameras, periscope cameras offer powerful optical zoom capabilities, such as a maximum 10x optical zoom, which has led to their gradual adoption in the mobile phone industry. However, existing technologies make it difficult to adjust the aperture size of periscope cameras in multiple levels to change the incident light intensity and depth of field, which in turn affects the shooting effect and limits their scope of use.

[0004] Publication No. CN113867074A provides a technical solution for setting a variable aperture on a periscope lens. The variable aperture is driven by a motor to rotate a lead screw, which in turn drives a nut slider and a light-shielding blade located on the nut slider to perform linear motion to achieve aperture change. However, the adjustment range and effect are limited. At the same time, the use of a motor drive occupies a large space, which is not conducive to the miniaturization of the periscope lens device. Publication No. CN110677565A provides a technical solution for setting a variable aperture on the prism assembly. On the one hand, setting a variable aperture on the light-entering surface of the prism assembly affects the overall height / thickness of the periscope lens device, which is not conducive to the thinning of the camera module. On the other hand, when the prism assembly has an anti-shake drive function, the setting and adjustment of the variable aperture on the prism assembly will be quite difficult. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide a periscope lens device, a camera module and an electronic device with an integrated variable aperture, so as to solve the problem that the existing periscope lens device is difficult to integrate a variable aperture due to volume reasons.

[0006] In order to solve the above problems, the technical solution of the present invention is:

[0007] A periscope lens device with an integrated variable aperture of the present invention comprises:

[0008] lens zoom assembly;

[0009] A variable aperture assembly, wherein the variable aperture assembly is mounted on the lens zoom assembly along the optical axis; the variable aperture housing of the variable aperture assembly is configured to include an aperture blade area and a lens accommodating area arranged along the optical axis, and a blade drive area that at least partially surrounds the lens accommodating area; wherein the lens accommodating area is sleeved on at least a portion of the lens zoom assembly along the optical axis.

[0010] The periscope lens device with integrated variable aperture of the present invention, wherein the variable aperture housing includes a mounting housing and a connecting housing;

[0011] The connecting housing includes a connecting bottom plate with a receiving opening, a plurality of receiving wall plates, and a blade carrying plate; the bottom ends of the plurality of receiving wall plates are respectively connected to the edges of the receiving opening, and each of the receiving wall plates is arranged in a direction parallel to the optical axis; the blade carrying plate is arranged perpendicular to the optical axis and is connected to the top end of each of the receiving wall plates;

[0012] The accommodating opening, each of the accommodating wall panels and the blade carrying plate cooperate to form the lens accommodating area;

[0013] The mounting shell is connected to the outer edge of the connecting shell and cooperates to form an aperture chamber, wherein the aperture chamber includes the aperture blade area located between the mounting shell and the blade supporting plate and the blade driving area located between the mounting shell and the accommodating wall plate.

[0014] In the periscope lens device with integrated variable aperture of the present invention, a plurality of first snap-fit ​​structures are provided on the connecting base plate, and a plurality of second snap-fit ​​structures for mating snap-fit ​​are provided on the surface of the lens zoom assembly facing the connecting base plate.

[0015] In the periscope lens device with integrated variable aperture of the present invention, the mounting housing is in the shape of a rectangular parallelepiped, and includes two short side surfaces and two long side surfaces parallel to the optical axis.

[0016] The blade driving area includes two side driving cavities respectively formed between the two short side surfaces and the corresponding accommodating wall panels;

[0017] The variable aperture assembly also includes a driving member, a rotating member and a blade assembly;

[0018] The two rotating ends of the rotating member are respectively arranged in the two side drive cavities, and at least part of the rotating member extends into the aperture blade area, and the rotating member is configured to rotate around the optical axis; the driving member is arranged in any one of the side drive cavities or the two side drive cavities, and the driving member is configured to drive the rotating member to rotate; the blade assembly is respectively connected to the rotating member and the blade supporting plate, and the blade assembly is configured to form light inlets of different areas under the drive of the rotating member.

[0019] In the periscope lens device with integrated variable aperture of the present invention, the side drive cavity is provided with an arc-shaped guide surface and at least one limiting protrusion on the side facing the optical axis; the arc-shaped guide surface has the optical axis as its axis;

[0020] The two rotating ends of the rotating member are two guide arms arranged on both sides of the rotating member, and the guide arms are provided with arcuate mating surfaces that are slidably connected to the corresponding arcuate guide surfaces, so as to be attached to the arcuate guide surfaces and drive the rotating member to rotate along the guide path of the arcuate guide surfaces;

[0021] The limiting protrusion is arranged on the guide path of the arc-shaped guide surface and is used to limit the maximum rotation angle of the rotating member.

[0022] In the periscope lens device with an integrated variable aperture of the present invention, at least one rolling groove is provided on the curved guide surface or the curved mating surface, a rolling element is provided in the rolling groove, and the rotation axis of the rolling element is parallel to the optical axis. The rolling element is configured to be rollingly connected to the corresponding curved mating surface or the curved guide surface.

[0023] In the periscope lens device with integrated variable aperture of the present invention, the guide arm is provided with a rotation limiting structure extending downward from the bottom end of the arc-shaped matching surface, and the rotation limiting structure is arranged corresponding to the limiting protrusion.

[0024] In the periscope lens device with integrated variable aperture of the present invention, a plurality of bearing protrusions are provided on the blade bearing plate facing the rotating member.

[0025] In the periscope lens device with integrated variable aperture of the present invention, the driving component includes a driving coil and a driving magnetic component; the driving coil is installed in the side driving cavity, and the driving magnetic component is installed at the rotating end extending into the corresponding side driving cavity.

[0026] The periscope lens device with integrated variable aperture of the present invention further includes a lateral magnetic attraction sheet, which corresponds to the driving magnetic component and is installed on the side surface of the short side.

[0027] The periscope lens device with integrated variable aperture of the present invention further includes a bottom magnetic attraction sheet, which corresponds to the driving magnetic component and is installed on the connecting base plate.

[0028] The periscope lens device with integrated variable aperture of the present invention further includes a detection unit configured to detect the rotational displacement of the rotating member and provide feedback.

[0029] In the periscope lens device with integrated variable aperture of the present invention, the blade assembly includes a plurality of blades, and the plurality of blades together surround a light-transmitting hole. Each of the blades is rotatably connected to the blade bearing plate and slidably connected to the rotating member.

[0030] In the periscope lens device with integrated variable aperture of the present invention, a plurality of protective bosses are provided on the surface of the rotating member facing the mounting shell, and the gap between the protective bosses and the mounting shell is smaller than the minimum gap between the blade assembly and the mounting shell.

[0031] In the periscope lens device with an integrated variable aperture of the present invention, a circuit accommodating space is formed between any of the long side surfaces and the corresponding accommodating wall plate, the circuit accommodating space extending to the two short side surfaces on either side, and a circuit opening communicating with the circuit accommodating space is formed on the mounting housing and / or the connecting base plate, the circuit opening extending through the surface of the connecting base plate facing the lens zoom assembly.

[0032] It also includes a first electrical connector, which is arranged in the circuit accommodating space, an input end of the first electrical connector is arranged at the circuit opening, and an output end of the first electrical connector is connected to the corresponding driving member.

[0033] The periscope lens device with integrated variable aperture of the present invention further includes a second electrical connector, which is at least partially embedded in the lens zoom assembly, and the output end of the second electrical connector is arranged toward the variable aperture assembly for electrical connection to the variable aperture assembly.

[0034] A camera module of the present invention includes any one of the above-mentioned periscope lens devices with integrated variable aperture.

[0035] An electronic device of the present invention includes the camera module described above.

[0036] Due to the adoption of the above technical solution, the present invention has the following advantages and positive effects compared with the prior art:

[0037] In one embodiment of the present invention, the interior of the variable aperture housing of the variable aperture assembly is configured to include an aperture blade area and a lens accommodating area arranged along the optical axis, as well as a blade driving area that at least partially surrounds the lens accommodating area. This allows, when the variable aperture assembly is connected to the lens zoom assembly, part of the lens zoom assembly can extend into the lens accommodating area along the optical axis. That is, the blade driving portion of the variable aperture assembly is arranged on the outside of the lens zoom assembly. After the variable aperture assembly is connected to the lens zoom assembly, the length change in the optical axis direction is only the sum of the thickness of the lens zoom assembly and the aperture blade area and the thickness of the variable aperture housing corresponding to the area. The overall length change is not large, and the overall device is miniaturized, thereby solving the problem that the existing periscope lens device is difficult to integrate a variable aperture due to volume reasons.

[0038] Moreover, the fixed lens group of the lens zoom assembly occupies a smaller volume than the movable lens group, so the blade driving part can be arranged in the space outside the fixed lens group. Thus, under the premise of integrating the variable aperture into the periscope lens device, the overall volume formed by the connection between the variable aperture assembly and the lens zoom assembly does not change much, thereby realizing the miniaturization of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] FIG1 is a schematic diagram of a periscope lens device with integrated variable aperture according to the present invention, with the metal housing removed;

[0040] FIG2 is a schematic diagram of a lens zoom assembly of a periscope lens device with an integrated variable aperture according to the present invention;

[0041] FIG3 is an exploded view of the variable aperture assembly of the periscope lens device with integrated variable aperture of the present invention;

[0042] FIG4 is a cross-sectional view of a variable aperture assembly of a periscope lens device with integrated variable aperture according to the present invention;

[0043] FIG5 is a partial enlarged cross-sectional view of the variable aperture assembly of the periscope lens device with integrated variable aperture of the present invention;

[0044] FIG6 is a schematic diagram of a rotating member of a variable aperture assembly of a periscope lens device with an integrated variable aperture according to the present invention;

[0045] FIG7 is a schematic diagram of a connection housing of a variable aperture assembly of a periscope lens device with integrated variable aperture according to the present invention;

[0046] FIG8 is a schematic diagram of a limiting protrusion of a variable aperture assembly of a periscope lens device with integrated variable aperture according to the present invention.

[0047] Explanation of reference numerals: 1. iris assembly; 101. metal housing; 102. plastic upper cover; 103. blade assembly; 104. gasket; 105. rotating member; 1051. guide arm; 10511. arc-shaped mating surface; 1052. protective boss; 1053. rotation limiting structure; 1054. impact protrusion; 106. magnetic shield; 107. driving magnetic member; 108. first electrical connector; 109. connecting housing; 1091. snap-fit ​​groove; 1092 , arc-shaped guide surface; 1093, limiting protrusion; 1094, bearing protrusion; 1095, connecting bottom plate; 1096, accommodating wall plate; 1097, blade bearing plate; 1098, connecting plate; 1099, rotating column; 110, driving coil; 111, rolling element; 112, bottom magnetic sheet; 113, side magnetic sheet; 114, detection unit; 2, lens zoom assembly; 201, fixed part of lens group; 202, moving part of lens group; 203, snap-in block. DETAILED DESCRIPTION

[0048] The following is a detailed description of a periscope lens device with an integrated variable aperture, a camera module, and an electronic device proposed by the present invention, with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description and claims.

[0049] Example 1

[0050] 1 to 8 , in one embodiment, a periscope lens device with an integrated variable aperture includes a lens zoom assembly 2 and a variable aperture assembly 1 .

[0051] The variable aperture assembly 1 is mounted on the zoom lens assembly 2 along the optical axis. The variable aperture housing of the variable aperture assembly 1 is configured to include an aperture blade area arranged along the optical axis, a lens accommodation area, and a blade drive area that at least partially surrounds the lens accommodation area. The lens accommodation area is positioned over at least a portion of the zoom lens assembly 2 along the optical axis.

[0052] In this embodiment, the interior of the variable aperture housing of the variable aperture assembly 1 is configured to include an aperture blade area and a lens accommodating area arranged along the optical axis, as well as a blade driving area that at least partially surrounds the lens accommodating area. This allows, when the variable aperture assembly 1 is connected to the lens zoom assembly 2, part of the lens zoom assembly 2 can extend into the lens accommodating area along the optical axis. That is, the blade driving portion of the variable aperture assembly 1 is arranged on the outside of the lens zoom assembly 2. When the variable aperture assembly 1 is connected to the lens zoom assembly 2, the length change in the optical axis direction is only the sum of the thickness of the lens zoom assembly 2 and the aperture blade area and the thickness of the variable aperture housing corresponding to the area. The overall length does not change much, and the device is miniaturized as a whole, thereby solving the problem that the existing periscope lens device is difficult to integrate a variable aperture due to volume reasons.

[0053] Moreover, the fixed lens group 201 of the lens zoom assembly 2 occupies a smaller volume than the movable lens group 202, so the blade driving part can be arranged in the space outside the fixed lens group 201. Thus, under the premise of integrating the variable aperture into the periscope lens device, the overall volume formed by the connection between the variable aperture assembly 1 and the lens zoom assembly 2 does not change much, thereby realizing the miniaturization of the entire device.

[0054] The specific structure of the periscope lens device with integrated variable aperture of this embodiment is further described below:

[0055] 4 , in this embodiment, the variable aperture housing may specifically include a mounting housing and a connecting housing 109 .

[0056] The connecting housing 109 specifically includes a connecting base plate 1095, a plurality of receiving wall panels 1096, and a blade support plate 1097. The connecting base plate 1095 is provided with a receiving opening (which allows light to pass through), and the bottom ends of the plurality of receiving wall panels 1096 are respectively connected to the edges of the receiving opening. Each receiving wall panel 1096 is arranged parallel to the optical axis (i.e., the plurality of receiving wall panels 1096 are sequentially arranged circumferentially around the optical axis, wherein the side edges of the receiving wall panels 1096 can be connected to form a closed pattern, or the receiving wall panels 1096 can be spaced apart to meet the circumferential limitation of the lens receiving area as described above). The above-mentioned blade supporting plate 1097 is arranged perpendicular to the optical axis direction, and the blade supporting plate 1097 is connected to the top of each accommodating wall plate 1096 (that is, the blade supporting plate 1097 and the connecting base plate 1095 are parallel, and the accommodating wall plate 1096 is arranged between the two). A through hole for allowing light to pass through can be set on the blade supporting plate 1097.

[0057] The accommodating opening, each accommodating wall plate 1096 and the blade supporting plate 1097 cooperate to form a lens accommodating area with the opening facing rearward (ie, toward the lens zoom assembly 2 ).

[0058] The mounting housing can be arranged to connect to the outer edge of the connecting housing 109 and cooperate to form an aperture chamber, which includes an aperture blade area located between the mounting housing and the blade carrier plate 1097, and a blade drive area located between the mounting housing and the receiving wall plate 1096. Specifically, the mounting housing may include a mounting top plate (with a through hole formed therein for light to pass through) and a mounting side plate (similar to a cover) surrounding the mounting top plate. The bottom end of the mounting side plate is configured to connect to the outer edge of the connecting base plate 1095, and the mounting side plate and the connecting base plate 1095 may be connected by a snap-fit ​​connection or a chimeric connection (specifically, this may be achieved by providing an upwardly extending connecting plate 1098 at the edge of the connecting base plate 1095, with corresponding snap-fit ​​structures provided between the connecting plate 1098 and the mounting side plate).

[0059] In this embodiment, the surface of the connecting base plate 1095 facing the lens zoom assembly 2 may be provided with a plurality of first engaging structures (specifically, engaging grooves 1091, which may be four in number, arranged around the aforementioned receiving opening and located at the edge of the connecting base plate 1095). The surface of the lens zoom assembly 2 facing the connecting base plate 1095 may be provided with a plurality of second engaging structures (specifically, engaging blocks 203) for mating engagement. Of course, in other embodiments, the connecting base plate 1095 and the lens zoom assembly 2 may be connected using a combination of positioning and gluing, or a combination of engaging grooves and gluing, which are not specifically limited herein.

[0060] In this embodiment, the shape of the mounting shell can be specifically a rectangular parallelepiped, and the mounting shell includes two short side surfaces and two long side surfaces parallel to the optical axis direction. The above-mentioned blade drive area can specifically include two side drive cavities formed between the two short side surfaces and the corresponding accommodating wall panels 1096 (that is, the width of the short side surfaces can actually be set to be smaller than the diameter of the accommodating opening, so that the inner cavity of the rectangular mounting shell is cut off by the accommodating opening into two side drive cavities located on both sides).

[0061] The variable aperture assembly 1 described above may further include a driving member, a rotating member 105, and a blade assembly 103. The rotating ends of the rotating member 105 are disposed in two side drive cavities, with at least a portion of the rotating member 105 extending into the aperture blade area (i.e., at least a portion of the rotating member 105 is disposed on the blade carrier plate 1097). The rotating member 105 is configured to rotate about the optical axis. A driving member is disposed in either or both side drive cavities and is configured to drive the rotating member 105 in rotation. The blade assembly 103 is connected to the rotating member 105 and the blade carrier plate 1097, respectively. Driven by the rotating member 105, the blade assembly 103 is configured to form light inlet apertures of varying sizes (i.e., rotation of the rotating member 105 causes the blades within the blade assembly 103 to rotate relative to the blade carrier plate 1097, thereby forming light inlet apertures of varying sizes).

[0062] 7 and 8 , in this embodiment, each side drive cavity may be provided with an arcuate guide surface 1092 on the side facing the optical axis (i.e., the arcuate guide surface 1092 may be specifically formed by the radially outer side of the above-mentioned accommodating wall plate 1096, or may be formed by an additional arcuate plate adhered to the accommodating wall plate 1096 or integrally formed) and at least one limiting protrusion 1093; wherein, the arcuate surface of the arcuate guide surface 1092 takes the optical axis as its axis.

[0063] The two rotating ends of the rotating member 105 can be specifically two guide arms 1051 arranged on both sides of the rotating member 105. The guide arms 1051 are provided with an arcuate mating surface 10511 that is slidably connected to the corresponding arcuate guide surface 1092, which is used to fit to the arcuate guide surface 1092 and drive the rotating member 105 to rotate along the guide path of the arcuate guide surface 1092 (the facing surfaces of the two guide arms 1051 are the aforementioned arcuate mating surfaces 10511, and fit to the arcuate guide surfaces 1092 in the two side drive cavities, forming a form similar to clamping, which can limit its other degrees of freedom except rotation around the optical axis and movement along the optical axis).

[0064] The above-mentioned limiting protrusion 1093 can be arranged on the guide path of the arc-shaped guide surface 1092 to limit the maximum rotation angle of the rotating member 105 and prevent the guide arm 1051 from directly colliding with the connecting plate 1098 or the installation side plate.

[0065] Referring to FIG6 , further, the limiting protrusions 1093 and the arcuate guide surface 1092 can be arranged sequentially in the direction of the optical axis, that is, the limiting protrusions 1093 can be specifically a support platform protruding from the connection base plate 1095, and the physical structure of the arcuate guide surface 1092 can be arranged on the support platform. The support platform can be specifically configured as a rectangle, and the portions on both sides of the rectangle extending from the arcuate guide surface 1092 in the length direction can serve as the above-mentioned limiting protrusions 1093. Correspondingly, the guide arm 1051 can also be configured to include a first guide section and a second guide section arranged along the optical axis, with the first guide section being provided with an arcuate mating surface 10511, and the second guide section being a rotation limiting structure 1053 for abutting against the side of the support platform.

[0066] Furthermore, in order to reduce the impact force of the collision between the rotating part and the connecting base plate 1095 when the optical axis is tilted, at least one impact protrusion 1054 can be set on the bottom surface of the above-mentioned second guide section. The impact protrusion 1054 does not contact the connecting base plate 1095 and is clearance-fitted.

[0067] In this embodiment, to facilitate smoother sliding between the guide arm 1051 and the arcuate guide surface 1092, at least one rolling groove may be provided on the arcuate guide surface 1092 or the arcuate mating surface 10511. A rolling element 111 is disposed within the rolling groove, and the axis of rotation of the rolling element 111 is parallel to the optical axis. The rolling element 111 is configured to be rollingly connected to the corresponding arcuate mating surface 10511 or the arcuate guide surface 1092. Specifically, two rolling grooves extending along the optical axis may be provided on the arcuate guide surface 1092, and the two rolling grooves are spaced apart along the circumference. The rolling elements 111 disposed within the rolling grooves may be rollers or balls (preferably rollers, as they provide greater stability and are less prone to tilting, and are less likely to cause impact pits on the rolling surface / groove when impacted by external forces; the preferred material is ceramic, which has high strength and low friction resistance). In other embodiments, the rolling element 111 may also be a gear, in which case the rolling groove corresponds to a gear groove.

[0068] In this embodiment, in order to reduce the contact area and friction between the rotating member 105 and the blade supporting plate 1097, a number of supporting protrusions 1094 are provided on the blade supporting plate 1097 toward the rotating member 105. The number of the supporting protrusions 1094 can be specifically four, which are arranged circumferentially on the top surface of the blade supporting plate 1097.

[0069] In this embodiment, the aforementioned driving member may specifically include a driving coil 110 and a driving magnetic member 107. The driving coil 110 is installed in a side driving cavity (specifically, the installation location may be on a connecting plate 1098 formed by axially extending from the short side of the connecting base plate 1095), and the driving magnetic member 107 is installed on a guide arm 1051 extending into the corresponding side driving cavity. When the coil is energized, the driving magnetic member 107 rotates, thereby driving the rotating member 105 to rotate as a whole.

[0070] Furthermore, the driving magnetic component 107 can be a driving magnet, including a monopole magnet, a multi-pole magnet, or a Halbach array magnet. The driving magnet is installed by forming a groove in the guide arm 1051 and installing the driving magnet into the groove via the magnetic shielding plate 106. The magnetic shielding plate 106 can be made of a magnetic material, which not only acts as a magnetic concentration but also facilitates the attachment and installation of the magnet. The magnet is directly adsorbed into the magnetic shielding plate 106 and fixed with glue.

[0071] Furthermore, in order to ensure the stability of the rotation of the rotating part 105 (problems of axial translation and tilt), the periscope lens device also includes a lateral magnetic sheet 113 and a bottom magnetic sheet 112. The lateral magnetic sheet 113 corresponds to the driving magnetic part 107 and is installed on the side of the short side (that is, it is arranged on the radial outer side of the side driving cavity where the driving magnetic part 107 is installed. Specifically, it can be installed by opening a recessed groove, pasting or insert-molding, and generating mutual attraction between it and the driving magnetic part 107, so that the guide arm 1051 on the other side can be tightly attached to the corresponding arc-shaped guide surface 1092). The bottom magnetic sheet 112 corresponds to the driving magnetic component 107 and is mounted on the bottom surface of the connecting base plate 1095. Specifically, it can be installed by providing a recessed groove, attaching it, or insert-molding. A mutual attraction is generated between the bottom magnetic sheet 112 and the driving magnetic component 107, thereby allowing the bottom end of the rotating component 105 to remain in close contact with the top surface of the supporting protrusion 1094 on the blade supporting plate 1097. The lateral magnetic sheet 113 and the bottom magnetic sheet 112 cooperate to ensure that the guide arm 1051 corresponding to the rotating component 105 is always dynamically attracted to the connecting base plate 1095 (the attraction direction is from the optical axis toward the connecting base plate 1095 and radially outward), ensuring the stability of the rotation axis of the rotating component 105 (problems such as axis translation and tilt) and reducing the key performance of posture difference.

[0072] Furthermore, the number of driving components can be two, that is, two driving coils 110 are installed in two side driving cavities, and two driving magnetic components 107 are installed on two guide arms 1051. In this case, the side magnetic sheet 113 can still be installed on only one side, and the bottom magnetic sheet 112 can be symmetrically arranged in two groups or groups, corresponding to the driving magnetic components 107 on the two guide arms 1051.

[0073] In this embodiment, to achieve stepless adjustment, the periscope lens device may further include a detection unit 114, which is configured to detect the rotational displacement of the rotating member 105 and provide feedback. Specifically, the detection unit 114 may be a connecting plate 1098 extending axially from the short side of the connecting base plate 1095, and may preferably be mounted at the center of the drive coil 110.

[0074] Detection unit 114 can be a sensor that detects the rotational displacement of rotating member 105. An external control chip acquires the detection data and controls the coil current to rotate rotating member 105 to a specified position, i.e., the blades open and close to a specified aperture. Detection unit 114 can also be a Hall effect chip, which has its own control function, namely, detecting the rotational displacement of rotating member 105 and providing feedback, controlling the coil current, and rotating member 105 to a specified position.

[0075] In this embodiment, the blade assembly 103 may specifically include a plurality of blades, which together enclose a light-transmitting aperture. Each blade is rotatably connected to a blade carrier plate 1097 and slidably connected to a rotating member 105. Specifically, there may be four blades, each of which surrounds the optical axis and is arranged on the blade carrier plate 1097 in a partially stacked manner. The blade carrier plate 1097 may be provided with four rotating posts 1099, and the rotating member 105 may be provided with four sliding posts. The tail ends of the four blades are respectively rotatably connected to the four rotating posts 1099, and the four blades are provided with elongated slots, which are slidably connected to the four sliding posts through the slots. The rotating member 105 rotates, and the cooperation between the sliding posts and the slots enables the blades to rotate relative to the rotating posts 1099, thereby enabling the stacked blades to cooperate to form light-transmitting apertures of different sizes.

[0076] Furthermore, a gasket 104 may be provided on the top surface of the blade supporting platform, and the blades are specifically arranged on the gasket 104 , and the gasket 104 is coated with an anti-reflection film.

[0077] Referring to Figure 5, in this embodiment, in order to prevent the blades from colliding with the mounting shell when subjected to external force, a plurality of protective bosses 1052 are provided on the surface of the rotating member 105 facing the mounting shell, and the gap between the protective bosses 1052 and the mounting shell is set to be smaller than the minimum gap between the blade assembly 103 and the mounting shell.

[0078] In this embodiment, the above-mentioned mounting shell may specifically include a plastic cover 102 and a metal shell 101, which are fixedly connected to form a closed cover body, and a light-transmitting hole is opened in the center. The inner side of the plastic cover 102 may be provided with a positioning column for positioning and mounting with the connecting shell 109, and a avoidance groove for avoiding and preventing the blades from sliding off the rotating column 1099 and / or the sliding column; after the metal shell 101 is coated (anti-reflection filmed), on the one hand, the avoidance groove on the plastic cover 102 can be covered to prevent light leakage, and on the other hand, the strength is high and the connection and fixing strength is good; if there is only the cover, the plastic cover 102 is not strong enough. When it is impacted by external force and the rotating table hits the plastic cover 102 upward, the cover is easy to deform, and the glue bonding surface between the plastic cover 102 and the connecting base is small, and the connection is weak. Of course, in other embodiments, the plastic cover 102 and the metal shell 101 can also be integrated, such as embedding the metal shell 101 in the plastic cover 102 by insert-molding. In this case, a coating sheet can be attached to the integrated embedded plastic cover 102 to block light.

[0079] In order to minimize the increase in the overall volume and thickness (height) of the device, in this embodiment, a circuit accommodating space is formed between one of the long side surfaces of the mounting shell and the accommodating wall plate 1096 corresponding to the connecting shell 109 (the circuit accommodating space is attached to the long side surface of the mounting shell as a whole), and the circuit accommodating space is set to extend to the two short side surfaces on both sides, and a circuit opening connected to the circuit accommodating space is opened on the mounting shell and / or the connecting base plate 1095, and the circuit opening passes through to the surface of the connecting base plate 1095 facing the lens zoom assembly 2.

[0080] It also includes a first electrical connector 108, which can be specifically an FPC, arranged in the circuit accommodating space. The input end of the first electrical connector 108 extends backward and is arranged to extend out of the circuit opening, and the output end of the first electrical connector 108 extends along the circuit accommodating space to the connectors correspondingly arranged on the two short side surfaces of the connecting shell 109, and is electrically connected to the corresponding drive coil 110.

[0081] In this embodiment, the periscope lens device may further include a second electrical connector (which may be an FPC or an insert-molding component). The second electrical connector may be configured to be at least partially embedded in the lens zoom assembly 2, and the output end of the second electrical connector is configured to face the circuit opening of the variable aperture assembly 1, for electrical connection to the first electrical connector 108 extending from the circuit opening.

[0082] In this embodiment, the above-mentioned mounting shell, connecting shell 109, rotating part 105 and other structures can all adopt the method of embedding metal parts to improve the structural strength, and the method of embedding metal parts can also make the corresponding structure thinner and have the function of balancing the center of gravity.

[0083] In this embodiment, the zoom lens assembly 2 specifically includes a fixed base with a fixed lens group 201 and a movable base with a movable lens group 202. The movable base moves relative to the fixed lens group 201 along the optical axis via a sliding shaft. The driving force can be thrust generated by the interaction between a magnet fixed to the movable base and a corresponding coil. Of course, periscope lens drive methods primarily include spring, suspension, sliding shaft, and ball bearing types, which are not specifically limited here.

[0084] Example 2

[0085] This embodiment provides a camera module, including a periscope lens device with an integrated variable aperture according to the first embodiment. By configuring the interior of the variable aperture housing of the variable aperture assembly 1 to include an aperture blade area arranged along the optical axis, a lens accommodation area, and a blade drive area at least partially surrounding the lens accommodation area, the variable aperture assembly 1 is configured such that, when the variable aperture assembly 1 is connected to the zoom lens assembly 2, a portion of the zoom lens assembly 2 can extend into the lens accommodation area along the optical axis. Specifically, the blade drive portion of the variable aperture assembly 1 is disposed outside the zoom lens assembly 2. Consequently, after the variable aperture assembly 1 and the zoom lens assembly 2 are connected, the change in length along the optical axis is only the sum of the thickness of the zoom lens assembly 2 and the aperture blade area, and the thickness of the variable aperture housing corresponding to the area. This results in a minimal change in overall length, miniaturization of the device, and resolves the problem of conventional periscope lens devices being difficult to integrate with a variable aperture due to size constraints.

[0086] Example 3

[0087] This embodiment provides an electronic device, including the camera module of the second embodiment. By configuring the interior of the variable aperture housing of the variable aperture assembly 1 to include an aperture blade area and a lens accommodation area arranged along the optical axis, as well as a blade drive area at least partially surrounding the lens accommodation area, when the variable aperture assembly 1 is connected to the lens zoom assembly 2, a portion of the lens zoom assembly 2 can extend into the lens accommodation area along the optical axis. In other words, the blade drive portion of the variable aperture assembly 1 is disposed outside the lens zoom assembly 2. Therefore, after the variable aperture assembly 1 and the lens zoom assembly 2 are connected, the change in length along the optical axis is only the sum of the thickness of the lens zoom assembly 2 and the aperture blade area, and the thickness of the variable aperture housing corresponding to the area. The overall length change is minimal, and the overall device is miniaturized, thereby resolving the problem that existing periscope lens devices are difficult to integrate with a variable aperture due to volume constraints.

[0088] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, if these changes fall within the scope of the claims of the present invention and their equivalents, they still fall within the scope of protection of the present invention.

Claims

1. A periscope lens device integrated with a variable aperture, characterized in that, Comprising: A lens zoom component; A variable aperture component, which is mounted on the lens zoom component along the optical axis direction; The variable aperture housing of the variable aperture component is configured to include an aperture blade area and a lens accommodation area arranged along the optical axis direction, and a blade driving area at least partially surrounding the lens accommodation area; wherein, the lens accommodation area is sleeved on at least part of the lens zoom component along the optical axis direction.

2. The periscope lens device with an integrated variable aperture according to claim 1, characterized in that, The variable aperture housing includes a mounting housing and a connecting housing; The connecting housing includes a connecting bottom plate provided with an accommodation opening, a plurality of accommodation wall plates and a blade carrier plate; the bottom ends of the plurality of accommodation wall plates are respectively connected to the edge of the accommodation opening, and each accommodation wall plate is arranged parallel to the optical axis direction; The blade carrier plate is arranged perpendicular to the optical axis direction, and the blade carrier plate is connected to the top ends of the respective accommodation wall plates; Wherein, the accommodation opening, the respective accommodation wall plates and the blade carrier plate cooperate to form the lens accommodation area; The mounting housing is connected to the outer edge of the connecting housing and cooperates to form an aperture chamber, and the aperture chamber includes the aperture blade area located between the mounting housing and the blade carrier plate and the blade driving area located between the mounting housing and the accommodation wall plates.

3. The periscope lens device with an integrated variable aperture according to claim 2, characterized in that, A plurality of first clamping structures are provided on the connecting bottom plate, and a plurality of second clamping structures for mating clamping are provided on the surface of the lens zoom component facing the connecting bottom plate.

4. The periscope lens device with an integrated variable aperture according to claim 2, characterized in that, The shape of the mounting housing is a cuboid, and the mounting housing includes two short side faces and two long side faces parallel to the optical axis direction; The blade driving area includes two side driving chambers respectively formed between the two short side faces and the corresponding accommodation wall plates; The variable aperture component further includes a driving member, a rotating member and a blade component; The two rotating ends of the rotating member are respectively arranged in the two side driving chambers, and at least part of the rotating member extends into the aperture blade area, and the rotating member is configured to rotate about the optical axis; the driving member is arranged in any one of the side driving chambers or in the two side driving chambers, and the driving member is configured to drive the rotating member to rotate; the blade component is respectively connected to the rotating member and the blade carrier plate, and the blade component is configured to form a light inlet hole with different areas under the drive of the rotating member.

5. The periscope lens device with an integrated variable aperture according to claim 4, wherein, An arc-shaped guiding surface and at least one limiting protrusion are provided on one side of the side driving chamber facing the optical axis; the arc-shaped guiding surface is centered on the optical axis; The two rotating ends of the rotating member are two guiding arms arranged on both sides of the rotating member, and arc-shaped mating surfaces slidably connected to the corresponding arc-shaped guiding surfaces are formed on the guiding arms, for fitting to the arc-shaped guiding surface and driving the rotating member to rotate along the guiding path of the arc-shaped guiding surface; The limiting protrusion is arranged on the guiding path of the arc-shaped guiding surface for limiting the maximum rotation angle of the rotating member.

6. The periscope lens device with an integrated variable aperture according to claim 5, characterized in that, At least one rolling groove is provided on the arc-shaped guiding surface or the arc-shaped mating surface. A rolling member is arranged in the rolling groove, and the rotation axis of the rolling member is parallel to the optical axis. The rolling member is configured to be in rolling connection with the corresponding arc-shaped mating surface or arc-shaped guiding surface.

7. The periscope lens device with an integrated variable aperture according to claim 5, characterized in that, A rotation limiting structure extending downward at the bottom end of the arc-shaped mating surface is provided on the guiding arm, and the rotation limiting structure is arranged corresponding to the limiting protrusion.

8. The periscope lens device with an integrated variable aperture according to claim 4, characterized in that, A plurality of bearing protrusions are provided on the blade carrier plate facing the rotating member.

9. The periscope lens device with an integrated variable aperture according to claim 4, characterized in that, The driving member includes a driving coil and a driving magnetic member; the driving coil is installed in the side driving cavity, and the driving magnetic member is installed at the rotating end extending into the corresponding side driving cavity.

10. The periscope lens device with an integrated variable aperture as described in claim 9, characterized in that, It further includes a lateral magnetic attracting piece, which corresponds to the driving magnetic member and is installed on the short side surface.

11. The periscope lens device with an integrated variable aperture according to claim 9, characterized in that, It further includes a bottom magnetic attracting piece, which corresponds to the driving magnetic member and is installed on the connecting bottom plate.

12. The periscope lens device with an integrated variable aperture according to claim 9, characterized in that, It further includes a detection unit configured to detect the rotational displacement amount of the rotating member and give feedback.

13. The periscope lens device with an integrated variable aperture according to claim 4, characterized in that, The blade assembly includes a plurality of blades. The plurality of blades jointly enclose a light-transmitting hole. Each blade is rotatably connected to the blade carrier plate and slidably connected to the rotating member.

14. The periscope lens device with an integrated variable aperture according to claim 4, characterized in that, A plurality of protective bosses are provided on the surface of the rotating member facing the installation housing. The gap between the protective bosses and the installation housing is smaller than the minimum gap between the blade assembly and the installation housing.

15. The periscope lens device with an integrated variable aperture as claimed in claim 4, wherein, A circuit accommodation space is formed between any one of the long side surfaces and the corresponding accommodation wall plate. The circuit accommodation space extends to the two short side surfaces on both sides, and a circuit opening communicating with the circuit accommodation space is provided on the installation housing and / or the connecting bottom plate. The circuit opening penetrates through to the surface of the connecting bottom plate facing the lens zoom assembly; It further includes a first electrical connector arranged in the circuit accommodation space. The input end of the first electrical connector is arranged at the circuit opening, and the output end of the first electrical connector is connected to the corresponding driving member.

16. The periscope lens device with an integrated variable aperture as claimed in claim 1, wherein, It further includes a second electrical connector. At least part of the second electrical connector is embedded in the lens zoom assembly, and the output end of the second electrical connector is arranged facing the variable aperture assembly for electrical connection with the variable aperture assembly.

17. A camera module, characterized in that, It includes a periscope lens device with an integrated variable aperture as described in any one of claims 1 to 16.

18. An electronic device, characterized in that, It includes an imaging module as described in claim 17.

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