CN109343294B - Periscope type anti-shake module and periscope type camera shooting module - Google Patents
Periscope type anti-shake module and periscope type camera shooting module Download PDFInfo
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- CN109343294B CN109343294B CN201811250649.3A CN201811250649A CN109343294B CN 109343294 B CN109343294 B CN 109343294B CN 201811250649 A CN201811250649 A CN 201811250649A CN 109343294 B CN109343294 B CN 109343294B
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- 230000008901 benefit Effects 0.000 abstract description 2
- 238000003384 imaging method Methods 0.000 description 7
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- 239000000428 dust Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
- G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
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- Adjustment Of Camera Lenses (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses a periscope type anti-shake module and a periscope type camera module. The periscope type anti-shake module comprises a rotary anti-shake reflecting module with a single-axis anti-shake function on an X axis and a moving-axis anti-shake focusing module with a focusing function on a Z axis and a single-axis anti-shake function on a Y axis, wherein the moving-axis anti-shake focusing module is arranged behind a light emitting end of the rotary anti-shake reflecting module, and a light entering end of the moving-axis anti-shake focusing module faces to the light emitting end of the rotary anti-shake reflecting module; the X axis, the Y axis and the Z axis are perpendicular to each other, wherein the Z axis is the optical axis of the lens. The periscope type anti-shake module can realize focusing and optical anti-shake functions, and still keep the advantage of thinness and thinness in thickness.
Description
Technical Field
The invention relates to the field of camera shooting and anti-shake, in particular to a periscope type anti-shake module and a periscope type camera shooting module.
Background
Along with the shooting requirement of users to mobile terminals such as mobile phones and the like is higher, the requirement of periscope type modules is larger and larger, and the periscope type modules are positioned at a large focal distance for shooting different from the traditional CCM modules which are positioned at a small focal distance for shooting at a wide angle, and the periscope type modules can reach the level of a professional camera in the performance of shooting at a long distance, so that the CCM modules and the periscope type modules can be matched for use, and good functional complementation can be achieved.
Because periscope type module is located the long shot, shake is greater than traditional CCM module to shooting the influence of picture, therefore, optics anti-shake function is periscope type module's key research direction always.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a periscope type anti-shake module and a periscope type camera module. The periscope type anti-shake module can realize focusing and optical anti-shake functions, and still keep the advantage of thinness and thinness in thickness.
The technical problems to be solved by the invention are realized by the following technical scheme:
A periscope type anti-shake module, comprising;
the anti-shake reflecting module is rotated, and an elastic sheet type rotating vibrator structure is adopted to realize the anti-shake function on the X axis;
The movable shaft anti-shake focusing module adopts a spring plate type movable shaft vibrator structure to realize an anti-shake function on a Y shaft and a focusing function on a Z shaft;
the shift anti-shake focusing module is arranged behind the light emitting end of the rotation anti-shake reflecting module, and the light entering end of the shift anti-shake focusing module faces the light emitting end of the rotation anti-shake reflecting module; the X axis, the Y axis and the Z axis are perpendicular to each other, wherein the Z axis is parallel to the optical axis of the lens.
Further, the rotation anti-shake reflection module includes: the anti-shake device comprises a fixed seat, a rotating seat, a reflecting mirror/reflecting prism, an X-axis anti-shake driving mechanism and a flat spring plate, wherein the reflecting mirror/reflecting prism is assembled on the rotating seat, and the rotating seat is rotationally connected in the fixed seat; the X-axis anti-shake driving mechanism is used for driving the rotating seat to drive the reflecting mirror/reflecting prism to rotate around the Y-axis; the flat spring plate is used for connecting the fixed seat and the rotating seat to form a rotating vibrator structure, so that an offset resilience force is arranged between the fixed seat and the rotating seat.
Further, the rotating shaft used for rotationally connecting the fixed seat on the rotating seat is parallel to the Y axis.
Further, the X-axis anti-shake driving mechanism comprises a first magnetic element and a second magnetic element which are arranged along a Z-axis, wherein the first magnetic element is used as a fixing piece, and the second magnetic element is used as a rotating piece and is fixedly arranged on the rotating seat; the magnetic field generated by the first magnetic element and/or the second magnetic element is electrified and changeable, and the first magnetic field interaction force between the first magnetic element and the second magnetic element drives the rotating seat to drive the reflecting mirror/reflecting prism to rotate around the Y axis.
Further, the rotation anti-shake reflecting module further comprises a hall sensor serving as a fixing piece for sensing the magnetic field of the second magnetic element so as to obtain the real rotation angle of the rotating seat and realize closed-loop anti-shake.
Further, the shift anti-shake focusing module includes: the optical lens comprises a fixed support, a movable support, an optical lens, a Y-axis anti-shake driving mechanism and a lower metal spring plate, wherein the movable support is arranged in the fixed support and has a degree of freedom of movement on a YZ plane, and the optical lens is assembled on the movable support; the Y-axis anti-shake driving mechanism is used for driving the movable bracket to drive the optical lens to incline towards the Y axis; the lower metal elastic sheet is used for connecting the fixed support and the movable support to form a moving shaft vibrator structure, so that a biasing resilience force is arranged between the fixed support and the movable support.
Further, the Y-axis anti-shake driving mechanism comprises a first magnetic component and a second magnetic component which are arranged along the Y-axis, wherein the first magnetic component is used as a fixed piece, and the second magnetic component is used as a movable piece and is fixedly arranged on the movable bracket; the magnetic field generated by the first magnetic component and/or the second magnetic component is electrified and changeable, and the second magnetic field interaction force between the first magnetic component and the second magnetic component drives the movable support to drive the optical lens to incline towards the Y axis.
Further, the magnetic field generated by the first magnetic component is perpendicular to the magnetic field generated by the second magnetic component.
Further, the shaft-moving anti-shake focusing module further comprises an upper metal elastic sheet, and the upper metal elastic sheet is used for connecting the fixed support and the movable support to form a shaft-moving vibrator structure together with the lower metal elastic sheet, and a biasing rebound resultant force is formed between the fixed support and the movable support together with the lower metal elastic sheet.
A periscope type camera shooting module comprises the periscope type anti-shake module.
The invention has the following beneficial effects: the periscope type anti-shake module is used for splitting an anti-shake function on an XY plane, the rotating anti-shake reflecting module is used for taking charge of the anti-shake function on an X axis in a rotating mode, and the shaft moving anti-shake focusing module is used for taking charge of the anti-shake function on a Y axis and the focusing function on a Z axis in a shaft moving mode, so that an X-axis anti-shake driving mechanism in the rotating anti-shake reflecting module can be arranged along the Z axis, a Y-axis anti-shake driving mechanism in the shaft moving anti-shake focusing module is arranged along the Y axis, no anti-shake driving mechanism is required to be arranged along the X axis, and the thickness of the X axis (thickness) can be kept while the anti-shake of the X axis and the Y axis is realized; after the terminal device is assembled, the X axis is the thickness direction of the terminal device, the Y axis and the Z axis are the plane directions (the length direction and the width direction) of the terminal device, and the thickness of the terminal device can be kept thin and light.
Drawings
FIG. 1 is a schematic diagram of a periscope type anti-shake module according to the present invention;
FIG. 2 is an exploded view of the rotary anti-shake reflective module according to the present invention;
FIG. 3 is a cross-sectional view of a rotary anti-shake reflective module according to the present invention;
FIG. 4 is a schematic view of a rotary seat according to the present invention;
FIG. 5 is a schematic view of a flat spring provided by the present invention;
FIG. 6 is an exploded view of the shift anti-shake focusing module according to the present invention;
Fig. 7 is a cross-sectional view of the shift anti-shake focusing module provided by the invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Example 1
A periscope type anti-shake module is applied to mobile terminals such as mobile phones and tablets.
As shown in fig. 1, the periscope type anti-shake module includes:
The anti-shake reflection module 100 is rotated, and an elastic sheet type rotation vibrator structure is adopted to realize the anti-shake function on the X axis;
The shift-axis anti-shake focusing module 200 adopts a spring-plate type shift-axis vibrator structure to realize an anti-shake function on a Y axis and a focusing function on a Z axis;
The shift anti-shake focusing module 200 is disposed behind the light emitting end of the rotation anti-shake reflecting module 100, and the light incident end faces the light emitting end of the rotation anti-shake reflecting module 100; the X axis, the Y axis and the Z axis are perpendicular to each other, wherein the Z axis is parallel to the optical axis of the lens.
The rotating anti-shake reflecting module 100 and the moving shaft anti-shake focusing module 200 can be assembled together through a buckling structure, a hole pin structure or an inserting structure which are matched with each other, and are sealed and fixed at the joint of the rotating anti-shake reflecting module 100 and the moving shaft anti-shake focusing module through a spot sealant or welding mode, so that the stability, the water resistance and the dust resistance are improved.
During imaging, imaging light firstly enters the rotation anti-shake reflecting module 100 from the light-in end of the rotation anti-shake reflecting module 100, is reflected by 90 degrees in the rotation anti-shake reflecting module 100, then sequentially enters the shift anti-shake focusing module 200 through the light-out end of the rotation anti-shake reflecting module 100 and the light-in end of the shift anti-shake focusing module 200, finally exits from the light-out end of the shift anti-shake focusing module 200, and images on a light-sensitive surface of a sensor assembly positioned behind the light-out end of the shift anti-shake focusing module 200.
The periscope type anti-shake module splits the anti-shake function on the XY plane, the rotating anti-shake reflecting module 100 takes charge of the anti-shake function on the X axis in a rotating mode, and the moving axis anti-shake focusing module 200 takes charge of the anti-shake function on the Y axis and the focusing function on the Z axis in a moving axis mode, so that an X axis anti-shake driving mechanism in the rotating anti-shake reflecting module 100 can be arranged along the Z axis, a Y axis anti-shake driving mechanism in the moving axis anti-shake focusing module 200 is arranged along the Y axis, no anti-shake driving mechanism is required to be arranged along the X axis, and the thickness of the X axis (thickness) can be kept while the anti-shake of the X axis and the Y axis is realized; after the terminal device is assembled, the X axis is the thickness direction of the terminal device, the Y axis and the Z axis are the plane directions (the length direction and the width direction) of the terminal device, and the thickness of the terminal device can be kept thin and light.
As shown in fig. 2 and 3, the rotary anti-shake reflective module 100 includes: the anti-shake device comprises a fixed seat, a rotating seat 104, a reflector/reflecting prism 105, an X-axis anti-shake driving mechanism and a flat elastic sheet 108, wherein the reflector/reflecting prism 105 is assembled on the rotating seat 104 and is adhered and fixed with the rotating seat 104 through glue, and the rotating seat 104 is rotationally connected in the fixed seat; the X-axis anti-shake driving mechanism is used for driving the rotating seat 104 to drive the reflecting mirror/reflecting prism 105 to rotate around the Y-axis; the flat spring 108 is used for connecting the fixed seat and the rotating seat 104 to form a rotating vibrator structure, so that a biasing resilience force is provided between the fixed seat and the rotating seat 104.
The X-axis anti-shake driving mechanism comprises a first magnetic element 107 and a second magnetic element 106 which are arranged along a Z-axis, wherein the first magnetic element 107 is used as a fixing piece, and the second magnetic element 106 is used as a rotating piece and is fixedly arranged on the rotating seat 104; the magnetic field generated by the first magnetic element 107 and/or the second magnetic element 106 is electrified and changeable, and the first magnetic field interaction force between the first magnetic element 107 and the second magnetic element 106 drives the rotating base 104 to drive the reflecting mirror/reflecting prism 105 to rotate around the Y axis.
When the anti-shake device works, a gyroscope on the mobile terminal senses the X-axis shake angle of the mobile terminal and feeds back the X-axis shake angle to a drive IC of the periscope type anti-shake module, and then the drive IC calculates the drive current required by correcting the X-axis shake angle and outputs the drive current to the first magnetic element 107 and/or the second magnetic element 106. When the first magnetic element 107 and/or the second magnetic element 106 are energized to generate a first magnetic field interaction force, the rotating seat 107 drives the reflecting mirror/reflecting prism 105 to rotate around the Y axis under the driving of the first magnetic field interaction force, and the driving IC controls the driving current of the first magnetic element 107 and/or the second magnetic element 106 to form a pair of balance forces between the first magnetic field interaction force between the first magnetic element 107 and the second magnetic element 106 and the biasing resilience force of the flat elastic sheet 108, so that the rotating seat 104 stays at a required anti-shake rotation angle; when the first magnetic element 107 and/or the second magnetic element 106 are powered off and lose the first magnetic field interaction force, the rotating seat 104 is driven to return under the biasing resilience force generated by the flat spring 108.
Optimally, the first magnetic element 107 is an electromagnetic coil, the second magnetic element 106 is a magnet, and, less optimally, the first magnetic element 107 is a magnet, and the second magnetic element 106 is an electromagnetic coil. The magnetic field generated by the first magnetic element 107 is perpendicular to the magnetic field generated by the second magnetic element 106, wherein the magnetic field generated by the first magnetic element 107 is parallel to the Z-axis, and the magnetic field generated by the second magnetic element 106 is parallel to the X-axis.
The fixed seat and the rotating seat 104 are both provided with openings or hollow structures corresponding to the incident direction and the emergent direction of the reflecting mirror/reflecting prism 105 so as to allow the imaging light to enter and exit; the rotating shaft 1041 on the rotating base 104 for rotationally connecting the fixing base is parallel to the Y axis, and is disposed in a corresponding shaft hole on the side wall of the fixing base, so as to form rotational connection with the fixing base.
The fixing seat comprises a first upper cover 101 and a first lower cover 102, the cross sections of the first upper cover 101 and the first lower cover 102 are approximately U-shaped structures, and the first upper cover 101 and the first lower cover 102 are assembled in an opening opposite mode to form the frame-shaped fixing seat; the two side walls of the first upper cover 101 are respectively provided with a first semicircular hole 1011, the two side walls of the first lower cover 102 are respectively provided with a second semicircular hole 1021, and after assembly, the first semicircular hole 1011 of the first upper cover 101 and the second semicircular hole 1021 of the first lower cover 102 form a complete round shaft hole.
As shown in fig. 4, the rotating base 104 includes a first assembly 1042 for assembling the reflecting mirror/reflecting prism 105 and a second assembly 1043 for assembling the second magnetic element 106, where the first assembly 1042 and the second assembly 1043 are prisms parallel to the Y axis in axial direction, and each of the cross sections is substantially a right triangle, and form an integral structure in a manner of leaning against each other.
The reflecting prism 105 is a prism having an axial direction parallel to the Y-axis, an incident surface 1051 and an exit surface 1052 are perpendicular to each other, and a reflecting surface 1053 reflects the imaging light incident from the incident surface 1051 by 90 ° and then exits from the exit surface 1052; the cross section of the reflecting prism 105 is approximately a right triangle, and the reflecting surface 1053 forms an included angle of 45 ° with the incident surface 1051 and the emergent surface 1052 respectively. The cross section of the reflecting prism 105 may also be substantially rectangular trapezoid, and in order to adapt to the reflecting prism 105, the cross section of the first assembly 1042 of the rotating base 104 is also substantially rectangular trapezoid.
The incident surface 1051 of the reflecting prism 105 slightly extends out of the surface of the fixed seat, and the edge of the emergent surface 1052 is blocked by the corresponding opening or the edge folded edge extending inwards of the hollow structure on the fixed seat, so as to prevent the emergent surface from sliding downwards.
The flat spring 108 is located in the XY plane, as shown in fig. 5, and includes a first flat 1081 fixedly connected to the fixed seat, a second flat 1082 fixedly connected to the rotating seat 104, and a plurality of elastic wires 1083, where the first flat 1081 and the second flat 1082 are arranged opposite to each other along the coplanarity of two ends of the X axis, and the plurality of elastic wires 1083 are symmetrically connected between the first flat 1081 and the second flat 1082; the axes of symmetry and the resulting biasing return forces between the plurality of filaments 1083 are perpendicular to the direction of alignment between the plurality of filaments 1083.
The first flat plate 1081 has at least one first alignment hole 1084 corresponding to the at least one first alignment post 1013 on the fixing base; the second plate 1082 has at least one second alignment hole 1085 corresponding to the at least one second alignment post 1044 of the rotating base 104; the first alignment hole 1084 and the second alignment hole 4085 are used for aligning with the fixed seat and the rotating seat 104, respectively, when the flat spring 108 is assembled.
The rotary anti-shake reflective module 100 further includes a first metal housing 103, where the first metal housing 103 is sleeved outside the fixing base, and the first metal housing 103 is preferably a magnetic yoke metal to prevent leakage of the magnetic field. The first metal housing 103 is also provided with an opening or hollow structure corresponding to the incident direction and the emergent direction of the reflecting mirror/reflecting prism 105, so as to allow the incident and emergent of the imaging light.
In this embodiment, the first magnetic element 107 is an electromagnetic coil, and is disposed and electrically connected on a circuit board 109, and the first metal housing 103 and the fixing base are provided with a wiring port on the assembly position corresponding to the first magnetic element 107, so that the circuit board 109 of the first magnetic element 107 is wired outwards; the circuit board 109 is adhered and fixed on the metal shell; the second magnetic element 106 is a magnet, and is mounted on a surface of the rotating base 104 facing away from the incident surface 1052 of the reflecting prism 105.
The above-mentioned open loop anti-shake of the rotating anti-shake reflective module 100, in order to achieve a closed loop anti-shake with a faster response speed and a higher anti-shake precision, the rotating anti-shake reflective module 100 further includes a hall sensor 110 as a fixing member for sensing the magnetic field of the second magnetic element 106, so as to obtain the real rotation angle of the rotating base 104, and achieve the closed loop anti-shake.
In operation, the hall sensor 110 senses the magnetic field of the second magnetic element 106 to feed back the actual rotation angle of the rotation base 104 to the driving IC, and then the driving IC adjusts the driving current of the first magnetic element 107 and/or the second magnetic element 106 according to the actual rotation angle of the rotation base 104 and the mirror/reflecting prism 105.
In this embodiment, the hall sensor 110 is disposed and electrically connected to the wiring board 109 on which the first magnetic element 107 is mounted, and is located in a coil that is an electromagnetic coil of the first magnetic element 107.
As shown in fig. 6 and 7, the shift-axis anti-shake focusing module 200 includes: the optical lens 300 is assembled on the movable bracket 204 and is fixed on the movable bracket 204 in a threaded locking mode or a glue bonding mode and the like; the Y-axis anti-shake driving mechanism is used for driving the movable bracket 204 to drive the optical lens 300 to incline towards the Y axis so as to realize Y-axis anti-shake; the lower metal spring 207 is used for connecting the fixed bracket and the movable bracket 204 to form a moving-axis vibrator structure, so that a biasing resilience force is provided between the fixed bracket and the movable bracket 204.
The Y-axis anti-shake driving mechanism comprises a first magnetic component 205 and a second magnetic component 206 which are arranged along a Y-axis, wherein the first magnetic component 205 is used as a fixed piece, and the second magnetic component 206 is used as a movable piece and is arranged and fixed on the movable bracket 204; the magnetic field generated by the first magnetic component 205 and/or the second magnetic component 206 is electrified and changeable, and the second magnetic field interaction force between the first magnetic component 205 and the second magnetic component 206 drives the movable support 204 to drive the optical lens 300 to tilt towards the Y axis.
During operation, the gyroscope on the mobile terminal senses the Y-axis shake angle of the mobile terminal and feeds back the Y-axis shake angle to the driving IC of the periscope type anti-shake module, and then the driving IC calculates the driving current required for correcting the Y-axis shake angle and focusing according to the Y-axis shake angle and the focusing position calculated by the camera software and outputs the driving current to the first magnetic component 205 and/or the second magnetic component 206. When the first magnetic component 205 and/or the second magnetic component 206 are energized to generate a second magnetic field interaction force, the movable support 204 is driven by the first magnetic field interaction force to drive the optical lens 300 to tilt toward the Y axis and move toward the Z axis, and the driving IC controls the driving current of the first magnetic component 205 and/or the second magnetic component 206 to form a pair of balance forces between the second magnetic field interaction force between the first magnetic component 205 and the second magnetic component 206 and the biasing resilience force of the lower metal spring 207, so that the movable support 204 stays at the required anti-shake tilt angle and focusing position; when the first magnetic component 205 and/or the second magnetic component 206 are powered off and lose the second magnetic field interaction force, the movable support 204 is driven to return under the biasing resilience force generated by the lower metal spring 207.
Specifically, the first magnetic component 205 is composed of two first magnetic pieces respectively disposed at two ends of the fixed support along the Y axis, and the second magnetic component 206 is composed of two second magnetic pieces respectively disposed at two ends of the movable support along the Y axis; a first component of a second magnetic field interaction force is generated between a first magnetic element and a second magnetic element on one end of the Y-axis, and a second component of the second magnetic field interaction force is generated between the first magnetic element and the second magnetic element on the other end of the Y-axis, the first component and the second component together forming a second magnetic field interaction force between the first magnetic assembly 205 and the second magnetic assembly 206.
The magnetic field generated by the first magnetic component 205 is perpendicular to the magnetic field generated by the second magnetic component 206, wherein the magnetic field generated by the first magnetic component 205 is parallel to the Z-axis, and the magnetic field generated by the second magnetic component 206 is parallel to the Y-axis.
When the optical lens 300 works, when the first component force and the second component force are equal in size and the directions are the same, the movable bracket 204 drives the optical lens 300 to move on the Z axis under the drive of the interaction force of the second magnetic field, so that the Z-axis focusing function is realized; when the directions of the first component and the second component are opposite, the movable bracket 204 drives the optical lens 300 to incline to one side of the Y axis under the driving of the second magnetic field interaction force, so as to realize the Y axis anti-shake function; when the first component force and the second component force are different in magnitude and the directions are the same, the movable bracket 204 drives the optical lens 300 to incline to one side of the Y axis and move on the Z axis under the driving of the interaction force of the second magnetic field, and meanwhile, the Y-axis anti-shake function and the Z-axis focusing function are realized.
Optimally, the first magnetic piece is a magnet, and the second magnetic piece is an electromagnetic coil; preferably, the first magnetic member is an electromagnetic coil, and the second magnetic member is a magnet. The magnetic field generated by the first magnetic piece is perpendicular to the magnetic field generated by the second magnetic piece.
The fixed and movable frames 204 are open or hollow at the positions corresponding to the incident and emergent directions of the optical lens 300, so as to allow the imaging light to be incident and emergent. The movable bracket 204 has a T-shaped assembly cavity therein which is adapted to the external shape of the optical lens 300.
The fixing bracket comprises a second upper cover 201 and a second lower cover 202, the cross sections of the second upper cover 201 and the second lower cover 202 are also in a substantially U-shaped structure, and the two are assembled in a manner of opening opposition to form the frame-shaped fixing bracket.
In this embodiment, the magnetic field generated by the second magnetic component 206 is changeable, and the two second magnetic components use the lower metal spring piece 207 as an electrical connection component to be electrically connected to the PIN 209 embedded in the fixing bracket.
The number of the lower metal spring plates 207 is four, the lower metal spring plates are coplanar and are positioned on an XY plane, two of the lower metal spring plates are positioned on one end of a Y-axis in parallel to be connected with the fixed support and the movable support 204 from one end of the Y-axis, and the other two lower metal spring plates are positioned on the other end of the Y-axis in parallel to be connected with the fixed support and the movable support 204 from the other end of the Y-axis; the number of the PIN PINs 209 is also four, two of which are located at one end along the Y axis as the positive PIN 209 and the negative PIN 209 of the second magnetic member of the end, respectively, and the other two are located at the other end along the Y axis as the positive PIN 209 and the negative PIN 209 of the second magnetic member of the end, respectively.
Two lower metal spring plates 207 on the same end electrically connect the positive pole and the negative pole of the corresponding second magnetic piece to the corresponding positive pole PIN 209 and negative pole PIN 209, respectively.
The axial directions of the four lower metal spring plates 207 are all parallel to the Y axis. The lower metal spring 207 includes two opposite ends and a lower spring wire connected between the two ends, wherein one end is fixedly connected to the fixed bracket, and the other end is fixedly connected to the movable bracket 204; like the flat spring 108 of the rotary anti-shake reflective module 100, the lower metal spring 207 and the fixed bracket 204 are aligned by corresponding alignment posts and alignment holes when assembled.
The shift anti-shake focusing module 200 further includes an upper metal spring 208, which is used for connecting the fixed bracket and the movable bracket 204 to form a shift vibrator structure together with the lower metal spring 207, and for providing a biasing and rebounding force between the fixed bracket and the movable bracket 204 together with the lower metal spring 207.
The upper metal spring 208 comprises an inner ring, an outer ring and a plurality of upper spring wires, wherein the inner ring and the outer ring are oppositely arranged, the upper spring wires are biased and uniformly connected between the inner ring and the outer ring, the inner ring is fixedly connected with the movable bracket 204, and the outer ring is fixedly connected with the fixed bracket; like the flat spring 108 of the rotary anti-shake reflective module 100, the upper metal spring 208 and the fixed bracket 204 are aligned by corresponding alignment posts and alignment holes when assembled.
The lower metal spring plate 207 connects the lower end of the movable bracket 204 to the second lower cover 202 of the fixed bracket, and the upper metal spring plate 208 connects the upper end of the movable bracket 204 to the second upper cover 201 of the fixed bracket.
The shift anti-shake focusing module 200 further includes a second metal housing 203, where the second metal housing 203 is sleeved outside the fixing support, and the second metal housing 203 is preferably a yoke metal to prevent the magnetic field from leaking. The second metal housing 203 is also provided with an opening or hollow structure corresponding to the incident direction and the emergent direction of the optical lens 300, so as to allow the incident and the emergent of the imaging light.
In this embodiment, the first magnetic component 205 is two magnets, and is adhered and fixed on the inner wall of the second metal housing 203 after passing through the fixing bracket along two ends of the Y axis; the second magnetic component 206 is two electromagnetic coils, which are respectively wound on the outer wall of the movable support 204 at two ends along the Y axis.
Example two
The periscope type camera shooting module comprises a periscope type anti-shake module and a sensor component, wherein the periscope type anti-shake module and the sensor component are arranged behind a light emitting end of the moving shaft anti-shake focusing module 200, and a light sensitive surface of the sensor component faces the light emitting end of the moving shaft anti-shake focusing module 200.
The above examples only show embodiments of the present invention, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the invention, but all technical solutions obtained by equivalent substitution or equivalent transformation shall fall within the scope of the invention.
Claims (7)
1. The periscope type anti-shake module is characterized by comprising the following components;
the anti-shake reflecting module is rotated, and an elastic sheet type rotating vibrator structure is adopted to realize the anti-shake function on the X axis;
The movable shaft anti-shake focusing module adopts a spring plate type movable shaft vibrator structure to realize an anti-shake function on a Y shaft and a focusing function on a Z shaft;
The shift anti-shake focusing module is arranged behind the light emitting end of the rotation anti-shake reflecting module, and the light entering end of the shift anti-shake focusing module faces the light emitting end of the rotation anti-shake reflecting module; the X axis, the Y axis and the Z axis are perpendicular to each other, wherein the Z axis is parallel to the optical axis of the lens;
Wherein, move an anti-shake focusing module and include: the optical lens comprises a fixed support, a movable support, an optical lens, a Y-axis anti-shake driving mechanism and a lower metal spring plate, wherein the movable support is arranged in the fixed support and has a degree of freedom of movement on a YZ plane, and the optical lens is assembled on the movable support; the Y-axis anti-shake driving mechanism is used for driving the movable bracket to drive the optical lens to incline towards the Y axis; the lower metal spring piece is used for connecting the fixed support and the movable support to form a moving shaft vibrator structure, so that a biasing resilience force is arranged between the fixed support and the movable support; the Y-axis anti-shake driving mechanism comprises a first magnetic component and a second magnetic component which are arranged along a Y axis, wherein the first magnetic component is used as a fixed piece, and the second magnetic component is used as a movable piece and is fixedly arranged on the movable bracket; the magnetic field generated by the first magnetic component and/or the second magnetic component is electrified and changeable, and the second magnetic field interaction force between the first magnetic component and the second magnetic component drives the movable bracket to drive the optical lens to incline towards the Y axis; the magnetic field generated by the first magnetic component is perpendicular to the magnetic field generated by the second magnetic component;
The first magnetic component consists of two first magnetic pieces which are respectively arranged at two ends of the fixed support along the Y axis, and the second magnetic component consists of two second magnetic pieces which are respectively arranged at two ends of the movable support along the Y axis; a first component of a second magnetic field interaction force is generated between a first magnetic element and a second magnetic element which are positioned on one end of the Y axis, and a second component of the second magnetic field interaction force is generated between the first magnetic element and the second magnetic element which are positioned on the other end of the Y axis; when the optical lens works, when the first component force and the second component force are equal in size and the directions are the same, the movable support is driven by the interaction force of the second magnetic field to drive the optical lens to move on the Z axis, so that the Z-axis focusing function is realized; when the directions of the first component force and the second component force are opposite, the movable support is driven by the interaction force of the second magnetic field to drive the optical lens to incline to one side of the Y axis, so that the Y-axis anti-shake function is realized; when the first component force and the second component force are different in size and the direction is the same, the movable support drives the optical lens to incline to one side of the Y axis and move on the Z axis under the drive of the interaction force of the second magnetic field, and meanwhile the Y-axis anti-shake function and the Z-axis focusing function are realized.
2. The periscope-type anti-shake module of claim 1, wherein the rotating anti-shake reflective module comprises: the anti-shake device comprises a fixed seat, a rotating seat, a reflecting mirror/reflecting prism, an X-axis anti-shake driving mechanism and a flat spring plate, wherein the reflecting mirror/reflecting prism is assembled on the rotating seat, and the rotating seat is rotationally connected in the fixed seat; the X-axis anti-shake driving mechanism is used for driving the rotating seat to drive the reflecting mirror/reflecting prism to rotate around the Y-axis; the flat spring plate is used for connecting the fixed seat and the rotating seat to form a rotating vibrator structure, so that an offset resilience force is arranged between the fixed seat and the rotating seat.
3. The periscope type anti-shake module according to claim 2, wherein a rotating shaft on the rotating base for rotating and connecting the fixing base is parallel to the Y axis.
4. A periscope type anti-shake module according to claim 2 or 3, wherein the X-axis anti-shake driving mechanism comprises a first magnetic element and a second magnetic element which are arranged along a Z-axis, wherein the first magnetic element is used as a fixing piece, and the second magnetic element is used as a rotating piece and is arranged and fixed on the rotating seat; the magnetic field generated by the first magnetic element and/or the second magnetic element is electrified and changeable, and the first magnetic field interaction force between the first magnetic element and the second magnetic element drives the rotating seat to drive the reflecting mirror/reflecting prism to rotate around the Y axis.
5. The periscope type anti-shake module according to claim 4, wherein the rotary anti-shake reflecting module further comprises a hall sensor as a fixing piece for sensing the magnetic field of the second magnetic element to obtain the real rotation angle of the rotary base, so as to realize closed loop anti-shake.
6. The periscope type anti-shake module according to claim 1, wherein the shaft-moving anti-shake focusing module further comprises an upper metal spring plate for connecting the fixed support and the movable support to form a shaft-moving vibrator structure together with the lower metal spring plate, and a biasing and rebound force is formed between the fixed support and the movable support together with the lower metal spring plate.
7. A periscope type camera module, characterized by comprising the periscope type anti-shake module according to any one of claims 1-6.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811250649.3A CN109343294B (en) | 2018-10-25 | 2018-10-25 | Periscope type anti-shake module and periscope type camera shooting module |
| PCT/CN2018/114455 WO2020082425A1 (en) | 2018-10-25 | 2018-11-08 | Periscope-type anti-shake module and periscope-type camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811250649.3A CN109343294B (en) | 2018-10-25 | 2018-10-25 | Periscope type anti-shake module and periscope type camera shooting module |
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| CN109343294A CN109343294A (en) | 2019-02-15 |
| CN109343294B true CN109343294B (en) | 2024-05-31 |
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| CN201811250649.3A Active CN109343294B (en) | 2018-10-25 | 2018-10-25 | Periscope type anti-shake module and periscope type camera shooting module |
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| CN (1) | CN109343294B (en) |
| WO (1) | WO2020082425A1 (en) |
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| CN109343294A (en) | 2019-02-15 |
| WO2020082425A1 (en) | 2020-04-30 |
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