WO2022222791A1 - 摄像头结构及电子设备 - Google Patents
摄像头结构及电子设备 Download PDFInfo
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- WO2022222791A1 WO2022222791A1 PCT/CN2022/086345 CN2022086345W WO2022222791A1 WO 2022222791 A1 WO2022222791 A1 WO 2022222791A1 CN 2022086345 W CN2022086345 W CN 2022086345W WO 2022222791 A1 WO2022222791 A1 WO 2022222791A1
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- Prior art keywords
- pan
- tilt
- axis
- bracket
- carrier
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- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 230000003993 interaction Effects 0.000 claims description 16
- 238000005096 rolling process Methods 0.000 claims description 12
- 230000033001 locomotion Effects 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 6
- 230000004308 accommodation Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 8
- 230000000670 limiting effect Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241000237983 Trochidae Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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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
- H04N23/682—Vibration or motion blur correction
- H04N23/685—Vibration or motion blur correction performed by mechanical compensation
- H04N23/687—Vibration or motion blur correction performed by mechanical compensation by shifting the lens or sensor position
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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
-
- 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
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
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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
-
- 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
- H04N23/681—Motion detection
- H04N23/6812—Motion detection based on additional sensors, e.g. acceleration sensors
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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
- H04N23/682—Vibration or motion blur correction
- H04N23/685—Vibration or motion blur correction performed by mechanical compensation
Definitions
- the present application belongs to the technical field of cameras, and in particular relates to a camera structure and electronic equipment.
- micro-cloud platform on electronic equipment has greatly improved the experience of consumers when taking pictures by hand;
- hand shake can be decomposed into three directions of space X, Y, and Z, with a total of 6 degrees of freedom (movement along the three axes of X/Y/Z and rotation around the three axes of X/Y/Z: Rx, Ry, Rz).
- the jitter in the other 5 degrees of freedom has a great impact on handheld photography, especially when shooting at night and video, and ultimately affects the imaging effect and consumer experience.
- the micro-gimbal camera used by the device is a two-axis gimbal, which can only prevent the jitter of 4 degrees of freedom, but cannot prevent the jitter (Rz) of rotation along the Z axis, so when there is jitter in the Rz direction, the The image quality of the PTZ camera is poor.
- the purpose of the embodiments of the present application is to provide a camera structure, which can solve the problem of poor anti-shake effect of the micro-cloud platform camera in the related art.
- the embodiments of the present application provide a camera structure, including: a universal shaft, an outer bracket of the gimbal, an inner bracket of the gimbal housed in the outer bracket of the gimbal, a gimbal carrier, a first drive mechanism, The second driving mechanism and the camera module;
- the camera module is movably connected with the outer bracket of the pan/tilt, and the camera module is fixedly connected with the pan/tilt carrier;
- the two supporting parts of the universal shaft axially distributed along the first shaft are respectively hinged with the outer bracket of the pan/tilt head, and the two supporting parts of the universal shaft axially distributed along the second shaft are respectively connected to the pan/tilt head an inner frame hinged, wherein the first axis intersects the second axis;
- the first driving mechanism is respectively connected with the outer bracket of the pan-tilt and the inner bracket of the pan-tilt, so as to drive the inner bracket of the pan-tilt to rotate relative to the outer bracket of the pan-tilt along the first axis and/or along the first axis.
- the second axis rotates;
- pan-tilt carrier is slidably connected to the bottom of the pan-tilt inner bracket
- the second driving mechanism is respectively connected with the pan-tilt inner bracket and the pan-tilt carrier to drive the pan-tilt carrier to rotate relative to the pan-tilt inner bracket along a third axis, wherein the third axis is respectively Perpendicular to the first axis and the second axis.
- first accommodation space between the first inner side wall of the outer bracket of the pan/tilt and the first outer side wall of the inner bracket of the pan/tilt, and the first driving mechanism and the second driving mechanism are arranged on in the first receiving space.
- the first driving mechanism includes: a first magnetic yoke, a first driving coil group and a first magnet group;
- the first drive coil set is fixed on the outer bracket of the pan/tilt head, the first magnetic yoke is fixed on the first outer side wall of the inner bracket of the pan/tilt head, and the first magnet set is fixed on the first a magnetic yoke, and the first magnet group and the first drive coil group are adapted to be arranged;
- At least two coils in the first drive coil group are arranged at intervals along a first direction, the first direction is perpendicular to the third axis, and the first drive coil group is distributed on the inner bracket of the pan/tilt head. Opposite sides of the axis of symmetry, the axis of symmetry is in the same direction as the direction along the first outer side wall of the inner bracket of the pan/tilt to the first inner side wall of the outer bracket of the pan/tilt;
- the first driving coil group when the first driving coil group is supplied with current, an interaction force is generated between the first driving coil group and the first magnet group, and the first magnet group is based on the interaction force
- the inner support of the cradle is driven to rotate relative to the outer support of the cradle along the first axis and/or along the second axis.
- the camera structure further includes:
- the first position feedback element group is used to detect the rotation amount of the inner bracket of the gimbal relative to the outer bracket of the gimbal along the first axis or along the second axis, and the first position feedback element group is arranged at within the magnetic field range of the first magnet group and the first driving coil group.
- the first driving mechanism further includes: an outer magnetic yoke;
- the outer magnetic yoke is fixed on the outer bracket of the pan/tilt head, and forms a magnetic circuit with the first magnet group.
- the second driving mechanism includes: a second magnetic yoke, a second driving coil group and a second magnet group;
- the second drive coil set is fixed on the pan/tilt carrier, the second magnetic yoke is fixed on the first outer side wall of the pan/tilt inner bracket, and the second magnet set is fixed on the second a magnetic yoke, and the second magnet group and the second driving coil group are adapted to be arranged;
- At least two coils in the second drive coil group are arranged at intervals along a first direction, the first direction is perpendicular to the third axis, and the second drive coil group is distributed in the symmetry of the pan/tilt carrier On the opposite sides of the axis, the axis of symmetry is in the same direction as the direction along the first outer side wall of the inner bracket of the pan/tilt head to the first inner side wall of the outer bracket of the pan/tilt head;
- the camera structure further includes:
- the second position feedback element group is used to detect the rotation amount of the pan/tilt carrier relative to the pan/tilt inner bracket along the third axis, and the second position feedback element group is arranged between the second magnet group and the within the magnetic field range of the second drive coil group.
- the first driving mechanism further includes: an inner magnetic yoke;
- the inner magnetic yoke is fixed on the pan/tilt carrier, and forms a magnetic circuit with the second magnet group.
- first through holes are respectively opened on the support parts, and the axial direction of the first through holes is perpendicular to the third axis;
- the camera structure further includes: an adapter structure, the adapter structure includes a clamping part and a first ball;
- the first ball is inserted through the first through hole and sandwiched between two side walls of the clamping portion;
- clamping portion is used for fixed connection with the outer bracket of the pan/tilt or the inner bracket of the pan/tilt.
- the transfer structure further includes: a guide plate, the guide plate is fixedly connected to the first side wall of the clamping portion, and extends in a direction close to the second side wall of the clamping portion, The first side wall of the clamping portion and the second side wall of the clamping portion are opposite side walls of the clamping portion;
- the transfer structure further includes: a limiting plate, the limiting plate is fixed on the bottom of the groove of the clamping portion, so as to limit the rotation of the supporting portion when the supporting portion rotates relative to the clamping portion The angle is smaller than the preset angle.
- the outer bracket of the gimbal and the inner bracket of the gimbal are provided with a card slot matching the clamping part, and the clamping part is clamped in the card slot, so that the support The part is hinged with the outer bracket of the pan/tilt or the inner bracket of the pan/tilt.
- the camera module includes a camera assembly and a first circuit board
- the camera assembly is fixed on the gimbal carrier, the first circuit board is fixed on a side of the camera assembly away from the gimbal carrier, and the first circuit board and the gimbal outer bracket are movable connect.
- the first circuit board includes: a first sub-circuit board, a second sub-circuit board and a flexible circuit;
- the second sub-circuit board surrounds the first sub-circuit board, and the first sub-circuit board and the second sub-circuit board are located in the same plane;
- the first sub-circuit board and the second sub-circuit board are movably connected through the flexible circuit.
- At least two first arc-shaped baffles are disposed at the bottom of the inner support of the pan/tilt head, and the ring where the at least two first arc-shaped baffles are located is coaxial with the third axis;
- At least two second arc-shaped baffles corresponding to the at least two first arc-shaped baffles one-to-one are arranged on the pan-tilt carrier, one of the first arc-shaped baffles and one of the second arc-shaped baffles
- the baffle is an arc baffle group
- the camera structure further includes: a second ball
- the second ball is clamped in any one of the arc baffle groups.
- the camera structure further includes: a rolling support frame;
- the rolling support frame is fixed on the inner bracket of the pan-tilt head, and abuts with the side of the pan-tilt carrier that faces away from the inner bracket of the pan-tilt head, so as to limit the movement of the pan-tilt carrier along the third axis. direction move.
- an embodiment of the present application provides an electronic device, where the electronic device includes the camera structure described in the first aspect.
- the camera structure includes: a universal shaft, an outer bracket of the gimbal, an inner bracket of the gimbal housed in the outer bracket of the gimbal, a first driving mechanism, a second driving mechanism of the gimbal carrier, and a camera mold group, wherein the camera module is movably connected to the outer support of the pan/tilt, and the camera module is fixedly connected to the pan/tilt carrier; the universal shaft is axially distributed along the first axis by two supports The two supporting parts of the universal shaft are respectively hinged with the outer support of the pan/tilt, and the two support parts of the universal shaft axially distributed along the second axis are respectively hinged with the inner support of the pan/tilt.
- the first driving mechanism is respectively connected with the outer bracket of the gimbal and the inner bracket of the gimbal to drive the inner bracket of the gimbal to rotate relative to the outer bracket of the gimbal along the first axis and/or Or rotate along the second axis;
- the pan-tilt carrier is slidably connected with the bottom of the pan-tilt inner bracket;
- the second driving mechanism is respectively connected with the pan-tilt inner bracket and the pan-tilt carrier to drive The pan/tilt carrier rotates relative to the pan/tilt inner bracket along a third axis, wherein the third axis is perpendicular to the first axis and the second axis, respectively.
- the camera module can be rotated along the first axis, the second axis and the third axis respectively relative to the outer bracket of the gimbal, so as to improve the degree of freedom of the camera module, thereby improving the anti-shake effect of the camera.
- FIG. 1 is a side view of a camera structure provided by an embodiment of the present application.
- FIG. 2 is a disassembled diagram of a camera structure provided by an embodiment of the present application.
- 3a is a top view of a camera structure provided by an embodiment of the present application.
- Figure 3b is a cross-sectional view along the direction A-A in Figure 3a;
- Figure 3c is a cross-sectional view along the direction B-B in Figure 3a;
- 3d is a bottom view of a camera structure provided by an embodiment of the present application.
- Figure 4a is a structural diagram of a cardan shaft
- Fig. 4b is the assembly structure diagram of the cardan shaft and the transfer structure
- Figure 4c is a side view of the switching structure
- Figure 4d is a front view of the switching structure
- Figure 4e is a cross-sectional view along the C-C direction in Figure 4d;
- Fig. 5 is the assembly structure diagram of the universal shaft, the inner bracket of the pan/tilt head, the transfer structure, the second magnetic yoke, the first magnet group and the second magnet group;
- Fig. 6a is the assembly drawing of the universal shaft, the outer bracket of the gimbal and the inner bracket of the gimbal;
- Figure 6b is a disassembled view of the first drive coil group
- Fig. 7a is the assembly structure diagram of the pan/tilt carrier and the second drive coil group
- Figure 7b is a bottom view of the bracket in the gimbal
- Fig. 7c is the assembly structure diagram of the gimbal carrier, the gimbal inner bracket and the gimbal outer bracket;
- Fig. 7d is the assembly structure diagram of the gimbal carrier and the support in the gimbal;
- Fig. 7e is the assembly structure diagram of the pan/tilt carrier, the pan/tilt inner bracket and the rotating carrier;
- Figure 8a is a structural diagram of a flexible circuit board
- Fig. 8b is an assembly structure diagram of the flexible circuit board and the camera assembly.
- first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and distinguish between “first”, “second”, etc.
- the objects are usually of one type, and the number of objects is not limited.
- the first object may be one or more than one.
- “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
- FIG. 1 is a structural diagram of a camera structure provided by an embodiment of the present application
- FIG. 2 is a disassembled view of a camera structure provided by an embodiment of the present application
- FIG. 3a is a schematic diagram of the present application A top view of a camera structure provided by the embodiment
- Fig. 3b is a cross-sectional view along the A-A direction in Fig. 3a
- Fig. 3c is a cross-sectional view along the B-B direction in Fig. 3a
- Fig. 3d is a camera structure provided by an embodiment of the application bottom view.
- the camera structure provided by the embodiment of the present application includes: a universal shaft 2 , an outer pan-tilt bracket 9 , an inner pan-tilt bracket 5 accommodated in the pan-tilt outer bracket 9 , a pan-tilt carrier 10 , a first driving mechanism 101 , and a second driving mechanism The mechanism 102 and the camera module 103 .
- the camera module 103 is movably connected with the outer bracket 9 of the pan/tilt, and the camera module 103 is fixedly connected with the pan/tilt carrier 10; the two support parts 25 of the universal shaft 2 distributed along the first axis are respectively connected to the outer bracket of the pan/tilt.
- the bracket 9 is hinged, and the two support parts 25 of the universal shaft 2 axially distributed along the second axis are respectively hinged with the bracket 5 in the pan-tilt head, wherein the first axis intersects the second axis; the first drive mechanism 101 They are respectively connected with the pan-tilt outer bracket 9 and the pan-tilt inner bracket 5 to drive the pan-tilt inner bracket 5 to rotate relative to the pan-tilt outer bracket 9 along the first axis and/or along the second axis.
- pan-tilt carrier 10 is slidably connected with the bottom of the pan-tilt inner bracket 5; the second driving mechanism 102 is respectively connected with the pan-tilt inner bracket 5 and the pan-tilt carrier 10, so as to drive the pan-tilt carrier 10 relative to the rest of the pan-tilt carrier 10.
- the pan/tilt inner support 5 rotates along a third axis, wherein the third axis is perpendicular to the first axis and the second axis, respectively.
- the first axis may extend in the same direction as the H line as shown in FIG. 1
- the second axis may extend in the same direction as the M line as shown in FIG. 1
- the third axis may be as shown in FIG. Z axis shown in 1.
- the first axis and the second axis may not be perpendicular to each other, for example, the angle between the first axis and the second axis is greater than 0° and less than 180°.
- the above-mentioned driving the inner bracket 5 of the gimbal is rotated along the first axis and/or along the second axis relative to the outer bracket 9 of the gimbal, which can be understood as: driving the inner bracket 5 of the gimbal relative to the outer bracket of the gimbal 9 rotates along the X-axis or along the Y-axis, wherein the outer bracket 9 of the pan-tilt head can be in a rectangular structure, and the above-mentioned X-axis and Y-axis are respectively parallel to two mutually perpendicular rectangular sides on the outer bracket 9 of the pan-tilt head.
- the inner bracket 5 of the gimbal rotates relative to the outer bracket 9 of the gimbal along the first axis, it has rotational components along the X-axis and the Y-axis; During the rotation of the pan/tilt outer bracket 9 along the second axis, it also has rotational components along the X-axis and the Y-axis. At this time, if it is only necessary to drive the inner bracket 5 of the gimbal to rotate relative to the outer bracket 9 of the gimbal along the X axis, then the inner bracket 5 of the gimbal can be rotated along the second axis relative to the outer bracket 9 of the gimbal along the Y axis.
- the component of the direction and the component along the Y-axis direction during the rotation of the inner bracket 5 of the pan/tilt relative to the outer bracket 9 of the pan/tilt along the second axis cancel each other out, so as to realize the drive of the inner bracket 5 of the pan/tilt relative to the outer bracket 9 of the pan/tilt.
- the X axis rotates.
- the above-mentioned camera module 103 is fixedly connected to the pan-tilt carrier 10 , which can be understood as: the outer wall of the camera module 103 is attached to and fixedly connected to the inner wall of the pan-tilt carrier 10 .
- the camera structure provided by the above embodiments of the present application may include: a casing 1 , and the casing 1 may include a top casing 1 a and a bottom casing 1 b.
- the bottom case 1b is recessed in a direction away from the top case 1a to form a receiving space between the top case 1a and the bottom case 1b, and the universal shaft 2, the outer bracket 9 of the pan/tilt and the outer bracket 9 are accommodated in the outer bracket 9 of the pan/tilt head.
- the inner support 5 of the PTZ, the PTZ carrier 10 , the first driving mechanism 101 , the second driving mechanism 102 and the camera module 103 can be accommodated in the accommodating space of the casing 1 .
- the top shell 1a, the universal shaft 2, the outer bracket 9 of the gimbal, the inner bracket 5 of the gimbal, and the gimbal carrier 10 are all provided with light-passing holes, so that the camera module 103 at the bottom can collect images through the light-passing holes. information, and even the head of the camera module 103 (ie, the upper part along the 2-axis in FIG. 1 ) is exposed to the top case 1a through the light-transmitting hole.
- the camera structure provided by the embodiment of the present application can be enclosed by the casing 1 to form an integral structure, and the casing 1 can also protect the camera module 103 and the like inside.
- first driving mechanism 101 and second driving mechanism 102 can be motor driving mechanism, electromagnetic driving mechanism, etc., respectively.
- first driving mechanism 101 and the second driving mechanism are used in the following embodiments.
- 102 is an electromagnetic drive mechanism as an example for description, and no specific limitation is construed here.
- Rx, Ry, and Rz represent directions of rotation along the X-axis, the Y-axis, and the Z-axis, respectively.
- the second drive mechanism is used to independently drive the pan/tilt carrier to rotate in the direction of the Rz axis, so as to realize the anti-shake of the Rz-axis, so that the anti-shake system of the Rz-axis is independent from the anti-shake systems of Rx and Ry, In this way, when the Rx and Ry axes perform the anti-shake function, the Rz position feedback system will not be affected, thereby effectively improving the anti-shake accuracy of the Rz axis, and then more effectively improving the night shooting and video shooting. , to further enhance the consumer experience.
- the two support parts 25 of the universal joint shaft 2 distributed along the axial direction of the first axis are respectively hinged with the outer bracket 9 of the pan/tilt head, and the two support parts 25 of the universal joint shaft 2 distributed along the axial direction of the second axis are respectively connected to the pan/tilt head
- the articulation of the inner bracket 5 can be understood as: the two supporting parts 25 of the universal joint shaft 2 axially distributed along the first axis constitute the first rotation axis, so that when the two supporting parts 25 are hinged on the outer bracket 9 of the pan/tilt head , the universal shaft 2 can be rotated along the first rotation axis relative to the outer bracket 9 of the pan/tilt head; and the two supporting parts 25 of the universal shaft 2 axially distributed along the second axis constitute the second rotation axis, so that when these two When the supporting parts 25 are hinged on the inner bracket 5 of the gimbal, the universal shaft 2 can rotate relative to the inner bracket 5 of the gimbal along the second rotation
- the camera module 103 can be rotated along the RZ axis direction relative to the inner bracket 5 of the gimbal through the gimbal carrier 10 . Therefore, the rotation of the camera module 103 in the directions of the Rx, Ry, and Rz axes is achieved, respectively.
- the shaking parameters such as the shaking direction and shaking distance of the camera can be obtained, and accordingly, the camera structure provided in the embodiment of the present application can be controlled to rotate correspondingly in the directions of Rx, Ry, and Rz, so as to realize the rotation along the Rx, Ry directions. And anti-shake in the Rz axis direction.
- FIG. 6a there is a first accommodation space 905 between the first inner side wall of the pan-tilt outer bracket 9 and the first outer side wall of the pan-tilt inner bracket 5, the first driving mechanism 101 and the second The driving mechanism 102 is disposed in the first accommodation space 905 .
- the head of the camera module 103 can protrude out of the outer bracket 9 of the gimbal through the light-passing hole on the upper side of the outer bracket 9 of the gimbal, that is to say, the first driving mechanism 101 and the second driving mechanism 101 can be driven
- the mechanism 102 is aligned with the rear of the camera module 103 (ie, below the Z axis in FIG. 1 ), so that the electromagnetic drive modules in the first driving mechanism 101 and the second driving mechanism 102
- OIS Optical Image Stabilization
- the camera structure provided in the embodiments of the present application can be combined with the anti-shake functions along the Rx, Ry, and Rz directions to construct a 5-axis anti-shake camera system (that is, along the X, Y, Rx, Ry, and Rz directions, respectively).
- Anti-shake can drive the camera system respectively to compensate or combine the 5 degrees of freedom jitter, to avoid the influence of time difference and the inability to switch the compensation state in the composite motion compensation, so that the picture and video quality can be better. , in particular, it can more effectively improve the picture quality of the camera in the case of hand shaking during night shooting, and improve the overall consumer experience.
- the first driving mechanism 101 includes: a first magnetic yoke 22 , a first driving coil group 7 and a first magnet group 21 ;
- the first driving coil group 7 is fixed to the outer bracket 9 of the pan/tilt head, the first magnetic yoke 22 is fixed to the first outer side wall of the inner bracket 5 of the pan/tilt head, the first magnet group 21 is fixed to the first magnetic yoke 22, and the first The magnet group 7 is adapted to the first driving coil group 7;
- At least two coils in the first drive coil group 7 are arranged at intervals along a first direction, the first direction is perpendicular to the third axis (z-axis), and the first drive coil group 7 is distributed on the bracket 5 in the pan/tilt head
- the axis of symmetry is in the same direction as the direction along the first outer wall of the inner bracket 5 of the pan/tilt to the first inner wall of the outer bracket 9 of the pan/tilt;
- the first driving coil group 7 passes current, an interaction force is generated between the first driving coil group 7 and the first magnet group 21, and the first magnet group 21 drives the cloud based on the interaction force
- the inner bracket 5 of the platform rotates along the first axis and/or rotates along the second axis relative to the outer bracket 9 of the platform (it can also be understood as: the first drive coil group 7 drives the inner bracket of the platform based on the interaction force. 5 rotate along the first axis and/or rotate along the second axis relative to the outer bracket 9 of the pan/tilt head).
- the above-mentioned first direction may be in the same direction as the Y axis as shown in FIG. It can act on the first magnet group 21, and a magnetic circuit is generated between the first yoke 22 and the first magnet group 21, or the magnets in the first magnet group 21 and the coils in the first driving coil group 7 are arranged in a one-to-one correspondence , and the magnets and the coils corresponding to each other are arranged facing each other.
- a current whose magnitude and direction are respectively controllable can be passed into the first driving coil group 7 , so that the first magnet group 21 fixed on the first magnetic yoke 22 and the first magnet group 21 fixed on the outer bracket 9 of the pan/tilt head
- the interaction force with controllable direction and size is generated between the first driving coil group 7, and then the first magnetic yoke 22 (the first magnet group 21) can be driven to generate direction-controlled Rx, Ry relative to the outer bracket 9 of the pan/tilt head
- the axis rotates, and then can directly drive the inner bracket 5 (camera module 103 ) of the gimbal to generate the Rx and Ry axis rotation motions to stabilize the Rx and Ry axes.
- the first magnet group 21 includes two first magnets (respectively 21A and 21B), and the first driving coil group 7 includes two first coils (respectively 7A and 7B) ), then the first coil 7A and the first magnet 21A are disposed opposite to each other, and the first coil 7B and the first magnet 21B are disposed opposite to each other.
- a second through hole 903 may be opened on the outer bracket 9 of the pan/tilt head, so that the coils in the first driving coil group 7 are respectively embedded in the second through hole 903, thereby realizing the first driving coil group. 7 is fixedly connected with the outer bracket 9 of the gimbal.
- first magnetic yoke 22 is fixed to the first outer side wall of the pan-tilt inner bracket 5, and the first magnetic yoke 22 may be directly or indirectly fixed to the first outer side wall of the pan-tilt inner bracket 5,
- a rolling support frame 18 fixed on the inner bracket 5 of the pan/tilt head may be provided, so that the first magnetic yoke 22 is fixed on the inner frame 5 of the pan/tilt head through the rolling support frame 18 .
- the first driving coil group 7 can be connected to the first driving circuit board 601, and the first driving circuit board 601 can be attached to the The outer side of the outer bracket 9 of the gimbal, and the first driving coil group 7 is installed on the first driving circuit board 601 through the second through hole 903, so that the first driving coil group 7 can be connected to the first driving circuit board 601 through the first driving circuit board 601.
- the magnitude and direction of the current flowing into the first driving coil group 7 may be controlled by the controller in the electronic device equipped with the three-axis pan/tilt provided by the embodiment of the present application.
- the first driving circuit The outer side of the board 601 can also be provided with a first interface 603, so as to realize the data communication connection with the controller in the electronic device through the first interface 603.
- the first interface 603 can be connected through the connection board 602. Connect to the first driving circuit board 601 .
- a first position feedback element group (8A and 8B) can also be assembled on the first driving circuit board 601, so as to detect the bracket 5 in the pan-tilt head through the first position feedback element group (8A and 8B). Relative to the rotation amount of the gimbal outer bracket 9 along the Rx axis and the Ry axis direction, so as to facilitate the precise control of the lifting rotation amount.
- the above-mentioned first position feedback element group 8 may be a Hall element, and it may be arranged within the magnetic field range of the first magnet group 21 and the first driving coil group 7, so as to induce the magnetic field by
- the displacement of the first magnet group 21 relative to the first magnetic yoke 22 is determined by the change of , so as to determine the rotation amount of the gimbal inner bracket 5 relative to the gimbal outer bracket 9 along the Rx axis and the Ry axis direction.
- the above-mentioned first position feedback element group 8 can also be a driving chip, which can not only control the input current of a controllable size and direction to the first driving coil group 7, but also feedback Rx The amount of rotation in the direction of the axis and Ry axis.
- the first driving mechanism 101 further includes: an outer magnetic yoke 24 ; the outer magnetic yoke 24 is fixed on the outer bracket 9 of the pan/tilt head, and forms a magnetic circuit with the first magnet group 21 .
- the above-mentioned outer magnetic yoke 24 may be fixed to the outer side of the first driving circuit board 601 .
- the function of the above-mentioned outer magnetic yoke 24 is to increase the driving force of the first driving mechanism 101, so as to improve the anti-shake effect of the camera structure provided in the embodiment of the present application along the Rx axis and the Ry axis direction.
- the second driving mechanism 102 includes: a second magnetic yoke (in this embodiment, the second magnetic yoke and the first magnetic yoke are the same magnetic yoke 22 ), a second driving coil group 15 and a second magnet group 17 ;
- the second drive coil set 15 is fixed to the pan/tilt carrier 10 , the second magnetic yoke 22 is fixed to the first outer side wall of the pan/tilt inner bracket 5 , the second magnet set 17 is fixed to the second magnetic yoke 22 , and the second The magnet group 17 is matched with the second driving coil group 15;
- At least two coils in the second driving coil group 15 are arranged at intervals along a first direction, the first direction is perpendicular to the third axis, and the second driving coil group 15 is distributed opposite to the symmetry axis of the pan/tilt carrier 10 On both sides, the axis of symmetry is in the same direction as the direction along the first outer side wall of the pan/tilt inner bracket 5 to the first inner side wall of the pan/tilt outer bracket 9;
- the first magnetic yoke and the second magnetic yoke are the same magnetic yoke 22 , and the first magnet group 21 and the second magnet group 17 are respectively fixed on opposite sides of the magnetic yoke 22 , in this way, the number of yokes in the camera structure provided by the embodiments of the present application can be reduced, so as to reduce its volume and cost.
- the first magnetic yoke and the second magnetic yoke may be different magnetic yokes, which is not limited herein.
- a through hole may be opened on the first magnetic yoke 22 so that the buckle structure 502 extending from the first outer side wall of the inner bracket 5 of the pan/tilt head is engaged with the through hole.
- the pan-tilt carrier 10 is movably connected to the bottom of the pan-tilt inner bracket 5 , so that the second driving coil group 15 fixed to the pan-tilt carrier 10 is located between the first outer side wall of the pan-tilt inner bracket 5 and the first magnetic yoke 22 so that when a current with a controllable size and direction flows into the second driving coil group 15, the second driving coil group 15 can be connected to the second driving coil group 15 fixed on the first magnetic yoke 22 and facing the second driving coil group 15 side.
- An interaction force is generated between the two magnet groups 17 , so that based on the interaction force of the second magnet group 17 , the gimbal carrier 10 is driven to rotate relative to the inner bracket 5 of the gimbal along the third
- the second driving coil group 15 can be connected to the second driving circuit board 13, and the second driving circuit board can be attached to the cloud.
- the second driving coil group 15 is mounted on the second driving circuit board 13, and a second driving chip connected to the second driving coil group 15 is arranged on the second driving circuit board 13 16 , so as to control the magnitude and direction of the current input to the second driving coil group 15 through the second driving chip 16 .
- a second position feedback element group can also be assembled on the second driving circuit board 13 (in this embodiment, the second position feedback element group and the second driving chip 16 are the same element), so as to pass
- the second driving chip 16 acquires the rotational amount of the pan/tilt carrier 10 relative to the pan/tilt inner bracket 5 along the third axis, so as to facilitate precise control of the rotational amount of the Rz axis.
- the above-mentioned second position feedback element group may also be a different component from the second driving chip 16 , for example, the second position feedback element group includes a Hall element, which can be arranged on the second driving coil Within the range of the magnetic field of the group 15 and the second magnet group 17, the displacement of the second driving coil group 15 relative to the second magnetic yoke 22 can be determined by the change of the induced magnetic field, so as to determine the relative position of the gimbal carrier 10 relative to the gimbal inner bracket. 5 The amount of rotation in the direction of the Rz axis.
- the above-mentioned first position feedback element group 8 can also be a driving chip, which can not only control the input current of controllable size and direction to the second driving coil group 15, but also feedback Rx and the amount of rotation in the Ry direction.
- the above-mentioned second driving circuit board 13 may be in a bent structure, so as to be attached to the adjacent two side walls of the pan/tilt carrier 10 (for example, the first outer side wall and the bottom wall).
- a circuit board reinforcement 12 with matching structure can also be provided on the second driving circuit board 13, so that the second driving circuit board 13 can be lifted by attaching the second driving circuit board 13 to the circuit board reinforcement 12. structural strength.
- the second driving mechanism 102 further includes: an inner magnetic yoke (not shown); the inner magnetic yoke is fixed to the pan/tilt carrier 10 and forms a magnetic circuit with the second magnet group 17 .
- the inner yoke can be fixed on the side of the second driving circuit board 13 that faces away from the second driving coil set 15 , for example, as shown in FIG. 1004 , so that the inner yoke is embedded in the groove 1004 and sandwiched between the pan-tilt carrier 10 and the second driving circuit board 13 .
- the function of the above-mentioned inner magnetic yoke 4 is to increase the driving force of the second driving mechanism 102 , so as to improve the anti-shake effect of the camera structure provided in the embodiment of the present application along the Rz axis direction.
- the support portion 25 is respectively provided with first through holes 251, and the axial direction of the first through holes 251 is perpendicular to the third axis;
- the camera structure further includes: an adapter structure, the adapter structure includes a clamping part 3 (for example: a U-shaped arm) and a first ball 4;
- the first ball 4 passes through the first through hole 251 and is sandwiched between two side walls of the clamping portion 3;
- clamping portion 3 is used for fixed connection with the outer bracket 9 of the pan/tilt or the inner bracket 5 of the pan/tilt.
- the four corners of the universal shaft 2 respectively extend in the opposite direction of the z-axis, so as to be respectively connected with a transition structure.
- the first ball 4 can be clamped in the first through hole 251 first, and then inserted into the clamping portion 3 together.
- the opposite side walls of the clamping portion 3 may be recessed in a direction away from each other, so that when the first ball 4 is clamped in the clamping portion 3 , it can be retained in the clamping portion 3 .
- the position remains unchanged.
- ball retaining structures 303 and 307 are respectively provided on the opposite side walls of the clamping portion 3, wherein 307 is located on the opposite side of 303, and the side walls where 303 and 307 are located are elastically connected to facilitate assembly.
- An opening 306 is provided at the bottom of the first ball 4 and the supporting portion 25 and the clamping portion 3 to reduce the magnitude of the elastic force between the opposite two side walls of the clamping portion 3 .
- the transition structure further includes: a guide plate 302 , the guide plate 302 is fixedly connected with the first side wall of the clamping part 3 , and faces the first side wall close to the clamping part 3 .
- the direction of the two side walls extends, and the first side wall of the clamping part 3 and the second side wall of the clamping part 3 are the opposite side walls of the clamping part 3;
- the transfer structure further includes: a limit plate 304, the limit plate 304 is fixed on one end of the clamping part 3 away from the universal shaft 2 (for example: the bottom of the groove of the U-shaped arm), so as to be opposite to the support part 25.
- the rotation angle of the limiting support part 25 is smaller than the preset angle.
- the first side wall of the clamping portion 3 may be located on the side of the clamping portion 3 away from the center of the universal joint shaft 2 , and the number of the guide plates 302 is two, and the two guide plates 302 are located on the clamping portion 3 3, so as to align the support portion 25 between the two guide plates 302 during the assembly process, so as to play a guiding role.
- the end of the limiting plate 304 that is not fixed to the clamping portion 3 can be inclined outwardly, so that when the supporting portion 25 rotates around the first ball 4 by a predetermined angle, the supporting portion 25 abuts against the limiting plate 304 . Thereby, further rotation of the support portion 25 is restricted.
- the outer bracket 9 of the gimbal and the inner bracket 5 of the gimbal are provided with card slots (501, 901) matching the clamping part 3, and the clamping part 3 is clamped on the card. into the grooves ( 501 , 901 ), so that the support portion 25 is hinged with the outer bracket 9 of the gimbal or the inner bracket 5 of the gimbal.
- the two support parts 25 located on the first axis of the universal shaft 2 are respectively clamped in the two clamping slots 901 on the diagonal line of the outer bracket 9 of the pan/tilt head, and are located at the second position of the universal shaft 2 .
- the two support parts 25 in the two axial directions are respectively clamped in the two clamping slots 501 on the diagonal line of the bracket 5 in the pan/tilt head.
- the gimbal outer bracket 9 and the gimbal inner bracket 5 can be lowered in the z-axis direction. Therefore, the overall size of the camera structure provided by the embodiments of the present application is reduced.
- the camera module 103 includes a camera assembly 20 and a first circuit board 23;
- the camera assembly 20 is fixed on the gimbal carrier 10
- the first circuit board 23 is fixed on the side of the camera assembly 20 away from the gimbal carrier 10
- the first circuit board 23 is movably connected with the gimbal outer bracket 9 .
- the above-mentioned first circuit board 23 can transmit data signals and electrical signals of the camera assembly 20 , the first circuit board 23 is fixed on the side of the camera assembly 20 away from the pan/tilt carrier 10 , and the first circuit board 23 is connected to the cloud
- the outer bracket 9 is movably connected, so that the first circuit board 23 can rotate with the pan-tilt carrier 10 .
- the first circuit board 23 includes: a first sub-circuit board 2301, a second sub-circuit board 2303 and a flexible circuit 2302;
- the second sub-circuit board 2303 surrounds the first sub-circuit board 2301, and the first sub-circuit board 2301 and the second sub-circuit board 2303 are located in the same plane;
- the first sub-circuit board 2301 and the second sub-circuit board 2303 are movably connected through the flexible circuit 2302 .
- the above-mentioned flexible circuit 2302 can form a planar spring structure, so that the first sub-circuit board 2301 and the second sub-circuit board 2303 can move relatively.
- the above-mentioned second sub-circuit board 2303 may also be provided with an interface or a pad 2306 for connecting with a connector, and the second sub-circuit board 2303 extends from the bottom opening of the casing 1 to the outside of the casing 1, so that the The pad 2306 is located outside the housing 1, so that the first circuit board 23 is connected to the internal circuit of the electronic device equipped with the camera structure provided by the embodiment of the present application through the pad 2306 .
- the first sub-circuit board 2301 can be realized by connecting the flexible circuit 2302 between the first sub-circuit board 2301 and the second sub-circuit board 2303 located in the same plane, and making the flexible circuit 2302 a plane spring structure.
- the elastic connection between the second sub-circuit board 2303 and the second sub-circuit board 2303 can not only reduce the occupied space of the first circuit board 23, but also realize the elastic connection between the dual camera assembly 20 and the outer bracket 9 of the pan/tilt through the first circuit board 23, to maintain the posture of the camera assembly 20 .
- At least two first arc-shaped baffles 504 are disposed at the bottom of the bracket 5 in the pan-tilt head, and the at least two first arc-shaped baffles 504 are located in a ring with the third axis is coaxial;
- At least two second arc-shaped baffles 1002 corresponding to at least two first arc-shaped baffles 504 are disposed on the pan-tilt carrier 10 , one first arc-shaped baffle 504 and one second arc-shaped baffle 504 is an arc baffle group;
- the camera structure further includes: a second ball 11;
- a second ball 11 is sandwiched in any one of the arc baffle groups.
- the second ball 11 can only rotate around the z-axis, so that when the gimbal carrier is stressed, it can only rotate around the z-axis, thereby improving the anti-vibration along the Rz-axis direction accuracy.
- one end of the second arc-shaped baffle 1002 may be provided with a rotation limiting portion 1003 to limit the rotation amount of the gimbal carrier 10 relative to the gimbal inner bracket 5 along the Rz axis direction.
- the camera structure further includes: a rolling support frame 18;
- the rolling support frame 18 is fixed to the pan-tilt inner bracket 5 and abuts against the side of the pan-tilt carrier 10 facing away from the pan-tilt inner bracket 5 to restrict the pan-tilt carrier 10 from moving in the direction of the third axis.
- the pan-tilt carrier 10 is sandwiched between the rolling support frame 18 and the pan-tilt inner bracket 5 to restrict the pan-tilt inner bracket 5 to drive the camera module 103 to move in the axial direction of the z-axis, thereby improving the camera structure. Accuracy.
- a groove or a through hole may be formed on the bottom surface of the pan/tilt carrier 10 that fits with the rolling support frame 18 , and a second ball 19 is sandwiched in the groove or through hole to reduce rolling.
- the frictional force between the support frame 18 and the pan-tilt carrier 10 increases the sensitivity of the second driving mechanism 102 to drive the pan-tilt carrier 10 .
- the rolling support frame 18 is an integral structure, which specifically includes: a buckling structure 1801 for buckling with the bracket 5 in the pan/tilt head, a platform 1803 for supporting the second ball 19, and a
- the mounting plate 1805 for fixing the first yoke 22 is provided with a third through hole, so that the buckle structure on the inner bracket 5 of the gimbal passes through the third through hole and is connected to the mounting plate 1805 and the mounting plate 1805 respectively.
- the first yoke 22 is fixedly connected.
- the first magnetic yoke 22 can be fixed on the pan-tilt inner bracket 5 by being sandwiched between the pan-tilt inner bracket 5 and the mounting plate 1805 , and the mounting plate 1805 is provided with a protrusion that protrudes away from the pan-tilt carrier 10 .
- a spacer portion 1808, the spacer portion 1808 divides the mounting plate 1805 into two parts, so that when the first magnet group 21 is respectively installed on the side of the mounting plate 1805 facing away from the pan-tilt carrier 10, the first magnet group 21 is spaced apart by the spacer portion 1808
- the magnets in the magnet group 21 play a limiting role for the magnets in the first magnet group 21 respectively, so that the fixing strength of the magnets in the first magnet group 21 can be improved.
- the camera structure provided by the embodiments of the present application has the following beneficial effects: the camera module can be driven to rotate in the Rx, Ry, and Rz directions, and in addition to preventing the jitter in the Rx, Ry, and Rz directions, it can also be combined with corresponding Algorithm processing to achieve translational shaking along the X-axis and Y-axis, therefore, the anti-shake effect along the 5-axis direction can be achieved in total; set the electromagnetic drive module (the first drive mechanism and the second drive mechanism) to One side of the camera structure leaves more non-magnetic areas on the other three sides of the camera structure, which is convenient for the layout of the multi-axis anti-shake mechanism; the circuit board structure of the plane spring is adopted, so that the circuit board is flat on the bottom space of the gimbal.
- the electromagnetic drive module the first drive mechanism and the second drive mechanism
- the space occupied by the circuit board can be reduced to reduce the overall volume of the camera structure, thereby freeing up more space for the layout of other devices, such as increasing the size of the battery and capacity, so as to improve the battery life of the mobile phone and indirectly improve the user experience of battery life;
- a gimbal carrier structure and its driving structure that can rotate in the Rz direction are set in the middle of the camera structure; and its motion with Rx and Ry is independent of each other can effectively reduce the crosstalk effect of the three-axis synchronous drive;
- the second drive coil group 15 and the drive element are arranged on the pan-tilt carrier 10 and can be led out through the first circuit board 23 to connect with external circuits, while the first drive coil
- the group 7 and the first position feedback element group 8 are arranged on one side of the camera structure, and are fixed on the outer bracket 9 of the pan/tilt head, and can be directly drawn out for connection with an external circuit.
- Adopting the support structure of the clamping part with double-sided clamping of the first ball 4 can reduce the influence of multi-degree-of-freedom serial motion jitter, thereby reducing the change of the external parameters of the camera, and providing strong support for the multi-camera fusion algorithm.
- the embodiment of the present application further provides an electronic device, and the electronic device includes any one of the camera structures shown in FIG. 1 to FIG. 8 b .
- the electronic device in this embodiment of the present application may be a mobile electronic device or a non-mobile electronic device.
- the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a palmtop computer, an in-vehicle electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook, or a personal digital assistant (personal digital assistant).
- assistant, PDA personal digital assistant
- the non-mobile electronic device may be a personal computer (personal computer, PC), a television (television, TV), a teller machine or a self-service machine, etc., which are not specifically limited in the embodiments of the present application.
- the electronic device provided by the embodiment of the present application includes any one of the camera structures shown in FIG. 1 to FIG. 8b, and has the same beneficial effects as any one of the camera structures shown in FIG. 1 to FIG. 8b. Repeat.
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Abstract
Description
Claims (16)
- 一种摄像头结构,包括:万向轴、云台外支架和收容于所述云台外支架内的云台内支架、云台载体、第一驱动机构、第二驱动机构以及摄像头模组;所述摄像头模组与所述云台外支架活动连接,且所述摄像头模组与所述云台载体固定连接;所述万向轴沿第一轴轴向分布的两个支撑部分别与所述云台外支架铰接,所述万向轴沿第二轴轴向分布的两个支撑部分别与所述云台内支架铰接,其中,所述第一轴与所述第二轴相交;所述第一驱动机构分别与所述云台外支架和所述云台内支架连接,以驱动所述云台内支架相对所述云台外支架沿所述第一轴转动和/或沿所述第二轴转动;所述云台载体与所述云台内支架的底部滑动连接;所述第二驱动机构分别与所述云台内支架和所述云台载体连接,以驱动所述云台载体相对所述云台内支架沿第三轴转动,其中,所述第三轴分别与所述第一轴和所述第二轴垂直。
- 根据权利要求1所述的摄像头结构,其中,所述云台外支架的第一内侧壁与所述云台内支架的第一外侧壁之间具有第一收容空间,所述第一驱动机构和所述第二驱动机构设置于所述第一收容空间内。
- 根据权利要求2所述的摄像头结构,其中,所述第一驱动机构包括:第一磁轭、第一驱动线圈组和第一磁石组;所述第一驱动线圈组固定于所述云台外支架,所述第一磁轭固定于所述云台内支架的所述第一外侧壁,所述第一磁石组固定于所述第一磁轭,且所述第一磁石组与所述第一驱动线圈组适配设置;所述第一驱动线圈组中的至少两个线圈沿第一方向间隔设置,所述第一 方向与所述第三轴垂直,且所述第一驱动线圈组分布于所述云台内支架的对称轴的相对两侧,所述对称轴与沿所述云台内支架的第一外侧壁到所述云台外支架的第一内侧壁的方向同向;其中,在所述第一驱动线圈组通入电流的情况下,所述第一驱动线圈组与所述第一磁石组之间产生相互作用力,所述第一磁石组基于所述相互作用力驱动所述云台内支架相对所述云台外支架沿所述第一轴转动和/或沿所述第二轴转动。
- 根据权利要求3所述的摄像头结构,其中,还包括:第一位置反馈元件组,用于检测所述云台内支架相对所述云台外支架沿所述第一轴或沿所述第二轴的旋转量,所述第一位置反馈元件组设置于所述第一磁石组与所述第一驱动线圈组的磁场范围内。
- 根据权利要求3所述的摄像头结构,其中,所述第一驱动机构还包括:外磁轭;所述外磁轭固定于所述云台外支架,并与所述第一磁石组构成磁回路。
- 根据权利要求2所述的摄像头结构,其中,所述第二驱动机构包括:第二磁轭、第二驱动线圈组和第二磁石组;所述第二驱动线圈组固定于所述云台载体,所述第二磁轭固定于所述云台内支架的所述第一外侧壁,且所述第二磁石组固定于所述第二磁轭,且所述第二磁石组与所述第二驱动线圈组适配设置;所述第二驱动线圈组中的至少两个线圈沿第一方向间隔设置,所述第一方向与所述第三轴垂直,且所述第二驱动线圈组分布于所述云台载体的对称轴的相对两侧,所述对称轴与沿所述云台内支架的第一外侧壁到所述云台外支架的第一内侧壁的方向同向;其中,在所述第二驱动线圈组通入电流的情况下,在所述第二驱动线圈组与所述第二磁石组之间产生相互作用力,所述第二磁石组基于所述相互作用力驱动所述云台载体相对所述云台内支架沿所述第三轴转动。
- 根据权利要求6所述的摄像头结构,其中,还包括:第二位置反馈元件组,用于检测所述云台载体相对所述云台内支架沿所述第三轴的旋转量,所述第二位置反馈元件组设置于所述第二磁石组与所述第二驱动线圈组的磁场范围内。
- 根据权利要求6所述的摄像头结构,其中,所述第一驱动机构还包括:内磁轭;所述内磁轭固定于所述云台载体,并与所述第二磁石组构成磁回路。
- 根据权利要求1所述的摄像头结构,其中,所述支撑部上分别开设有第一通孔,所述第一通孔的轴向与所述第三轴垂直;所述摄像头结构还包括:转接结构,所述转接结构包括夹持部和第一滚珠;所述第一滚珠穿设于所述第一通孔内,且夹设于夹持部的两个侧壁之间;其中,所述夹持部用于与所述云台外支架或所述云台内支架固定连接。
- 根据权利要求9所述的摄像头结构,其中,所述转接结构还包括:导向板,所述导向板与所述夹持部的第一侧壁固定连接,并向靠近所述夹持部的第二侧壁的方向延伸,所述夹持部的第一侧壁和所述夹持部的第二侧壁为所述夹持部的相对两侧壁;和/或,所述转接结构还包括:限位板,所述限位板固定于所述夹持部的远离所述万向轴的一端,以在所述支撑部相对所述夹持部转动时,限制所述支撑部的旋转角度小于预设角度。
- 根据权利要求9或10所述的摄像头结构,其中,所述云台外支架和所述云台内支架上设置有与所述夹持部匹配的卡槽,所述夹持部卡设于所述卡槽内,以使所述支撑部与所述云台外支架或所述云台内支架铰接。
- 根据权利要求1所述的摄像头结构,其中,所述摄像头模组包括摄像头组件和第一电路板;所述摄像头组件固定于所述云台载体,所述第一电路板;固定于所述摄像头组件的远离所述云台载体的一侧,且所述第一电路板与所述云台外支架 活动连接。
- 根据权利要求12所述的摄像头结构,其中,所述第一电路板包括:第一子电路板、第二子电路板和柔性线路;所述第二子电路板环绕于所述第一子电路板外,所述第一子电路板和所述第二子电路板位于同一平面内;所述第一子电路板和所述第二子电路板通过所述柔性线路活动连接。
- 根据权利要求1所述的摄像头结构,其中,所述云台内支架的底部设置有至少两个第一弧形挡板,所述至少两个第一弧形挡板所在的圆环与所述第三轴同轴;所述云台载体上设置有与所述至少两个第一弧形挡板一一对应的至少两个第二弧形挡板,一个所述第一弧形挡板与一个所述第二弧形挡板为一个弧形挡板组;所述摄像头结构还包括:第二滚珠;任一个所述弧形挡板组内均夹设有所述第二滚珠。
- 根据权利要求14所述的摄像头结构,其中,还包括:滚动支撑架;所述滚动支撑架固定于所述云台内支架,并与所述云台载体的背向所述云台内支架的一侧抵接,以限制所述云台载体沿所述第三轴的方向移动。
- 一种电子设备,包括如权利要求1-15中任一项所述的摄像头结构。
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