CN112437221A

CN112437221A - Camera device

Info

Publication number: CN112437221A
Application number: CN202011429467.XA
Authority: CN
Inventors: 李晖; 许杨柳; 邓爱国
Original assignee: Kunshanqiu Titanium Photoelectric Technology Co Ltd
Current assignee: Kunshanqiu Titanium Photoelectric Technology Co Ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-03-02
Anticipated expiration: 2040-12-09
Also published as: CN112437221B

Abstract

The invention provides a camera device which comprises a rotating device and a fixed lantern ring, wherein the rotating device comprises an imaging module, a first base and a second base, a plurality of first elastic arms are arranged on the periphery of the first base at intervals, a plurality of second elastic arms are arranged on the periphery of the second base at intervals, the plurality of first elastic arms and the plurality of second elastic arms are respectively in one-to-one correspondence, a ball is clamped between each first elastic arm and one corresponding second elastic arm, and the fixed lantern ring is arranged on the outer surfaces of the plurality of second elastic arms. The camera device can enable the camera to swing in multiple angles and multiple ranges, realizes mechanical rotation of the camera in the shooting process, increases the shooting angle of the camera, and simultaneously can prevent the second elastic arm on the second base from deforming to cause ball derailment when in use or falling, thereby enhancing the stability of the whole camera device.

Description

Camera device

Technical Field

The invention relates to the technical field of cameras, in particular to a camera device.

Background

With the development of multimedia technology, cameras are widely applied to electronic devices, especially to electronic devices such as mobile phones and tablet computers carried by users, but the situation that the shot pictures are not clear enough and ghosts or blurs always occur often occurs, and the reason for the situation is that the shutter speed is too low. Therefore, in order to obtain a clearer picture, the camera needs to be designed to be anti-shake. The shooting angle of a conventional camera module is determined by a lens (lens) and a sensor (sensor), and the lens (lens) is determined at the beginning of design, so that the rotation angle of the lens can be increased only by a physical means to achieve the anti-shake effect.

Partial scheme adopts and adds a rotary device in imaging module group periphery in present prior art, and rotary device includes interior claw spring, outer claw spring and ball, and the ball centre gripping is between the elastic arm of interior claw spring and outer claw spring, and ball, interior claw spring and outer claw spring three assemble through external force, and rotation through the ball drives imaging module group rotation in the camera module to increase the rotation angle of whole camera. However, such a rotating device has a problem that the outer pawl spring in the rotating device is not fixed by a fixing structure, and the whole rotating device is only fixed by the performance of the outer pawl spring, so that if the outer pawl spring deforms when the camera is in use or falls, the balls are in derailment risk, and finally the functionality of the whole rotating device is poor.

Disclosure of Invention

The invention aims to provide a camera device, which can increase the shooting angle of a camera, realize the anti-shake of the camera with a large angle, ensure the camera to rotate greatly, and simultaneously add a fixed ring sleeve outside a camera rotating device, so that the second elastic arm on a second base can be prevented from deforming to cause the derailment of a ball when the camera is used or falls off, and the stability of the whole device is enhanced.

The invention provides a camera device, which comprises a rotating device, wherein the rotating device comprises an imaging module, a first base and a second base, a plurality of first elastic arms are arranged at intervals on the periphery of the first base, a plurality of second elastic arms are arranged at intervals on the periphery of the second base, the first elastic arms and the second elastic arms respectively correspond to each other, a ball is clamped between each first elastic arm and the corresponding second elastic arm, and the camera device further comprises a fixed lantern ring which is arranged on the outer surfaces of the second elastic arms.

In one embodiment, the fixing collar is integrally formed by injection molding.

In an embodiment, a plurality of grooves are formed in the inner wall of the fixing sleeve at intervals, the plurality of grooves correspond to the plurality of second elastic arms respectively, an opening is formed in the bottom of each groove, a supporting beam is formed at the top of each groove in a closed manner, when the fixing sleeve is sleeved on the outer surface of the second base, each second elastic arm enters the groove from the opening at the bottom of the corresponding groove, and the top of each second elastic arm abuts against the supporting beam.

In an embodiment, the fixing collar is fixedly connected with the outer surfaces of the plurality of second elastic arms by glue.

In one embodiment, the number of the first elastic arms and the number of the second elastic arms are four, every two adjacent first elastic arms are arranged at an included angle of 90 degrees, and every two adjacent second elastic arms are arranged at an included angle of 90 degrees.

In an embodiment, rotary device still includes two magnetite, two coils and PCB circuit board, two magnetite are all fixed the lower surface of first base just two magnetite are 90 contained angles and arrange, two coils set up on the PCB circuit board and correspond respectively and be located under two magnetite.

In an embodiment, the second base includes a second flat plate portion, the second elastic arms extend upward from a periphery of the second flat plate portion to form a plurality of second elastic arms, the two coils are respectively a first coil and a second coil, a first through hole is formed in the second flat plate portion corresponding to the first coil, a second through hole is formed in the second flat plate portion corresponding to the second coil, the first coil is correspondingly embedded in the first through hole, and the second coil is correspondingly embedded in the second through hole.

In one embodiment, the two magnets are bonded to the lower surface of the first base in an adhesive manner, and the PCB is fixed to the lower surface of the second base in an adhesive manner.

In an embodiment, the first base includes a first flat plate portion and an annular portion located at an outer periphery of the first flat plate portion, the plurality of first elastic arms extend upward from the annular portion, the first flat plate portion is recessed downward relative to the annular portion to form a receiving groove, and a bottom of the imaging module is embedded in the receiving groove.

In one embodiment, the fixing collar is in the shape of a closed ring.

The camera device provided by the invention can enable the camera to swing in multiple angles and multiple ranges, realizes mechanical rotation of the camera in the shooting process, increases the shooting angle of the camera, corrects the shot picture by adding a firmware algorithm, finally realizes large-angle anti-shake, and simultaneously can prevent a second elastic arm on a second base in the rotating device from deforming to cause ball derailment when the camera device is used or falls off, thereby enhancing the stability of the whole device.

Drawings

Fig. 1 is a schematic cross-sectional structural diagram of a camera device in an embodiment of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic perspective view of a fixing collar in the camera device according to the embodiment of the present invention.

Fig. 4 is an exploded view of a rotating device in a camera device according to an embodiment of the present invention.

Fig. 5 is a schematic cross-sectional structural diagram of a rotating device in a camera device according to an embodiment of the present invention.

Fig. 6 is a schematic perspective view of a rotating device in a camera device according to an embodiment of the present invention.

Fig. 7 is a schematic top view of a rotating device in a camera device according to an embodiment of the present invention.

Fig. 8 is another schematic perspective view of a rotating device in a camera device according to an embodiment of the invention.

Fig. 9 is another schematic top view of a rotating device in a camera device according to an embodiment of the invention.

Fig. 10 is another schematic perspective view of a rotating device in a camera device according to an embodiment of the invention.

Fig. 11 is another schematic top view of a rotating device in a camera device according to an embodiment of the invention.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

The terms first, second, third, fourth and the like in the description and in the claims of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Fig. 1 is a schematic cross-sectional structure view of a camera device in an embodiment of the present invention, fig. 2 is a partially enlarged view of a portion a in fig. 1, fig. 3 is a schematic perspective structure view of a fixing ring in the camera device in the embodiment of the present invention, fig. 4 is a schematic explosion structure view of a rotating device in the camera device in the embodiment of the present invention, and fig. 5 is a schematic cross-sectional structure view of the rotating device in the camera device in the embodiment of the present invention. As shown in fig. 1 to 5, the camera device includes a rotating device 1, wherein the rotating device 1 includes an imaging module 11, a first base 12 and a second base 13.

Specifically, a plurality of first elastic arms 121 are arranged at intervals on the periphery of the first base 12, a plurality of second elastic arms 131 are arranged at intervals on the periphery of the second base 13, the plurality of first elastic arms 121 correspond to the plurality of second elastic arms 131 one by one, a ball 14 is clamped between each first elastic arm 121 and one corresponding second elastic arm 131, an inwardly concave first circular arc 122 is arranged on each first elastic arm 121, an outwardly convex second circular arc 132 is arranged on each second elastic arm 131, and an outer surface of the ball 14 is clamped between the first circular arc 122 and the second circular arc 132, so that the ball 14 can roll in the

circular arcs

122, 132, and the imaging module 11 and the first base 12 become movable components to drive the imaging module 11 and the first base 12 to swing. The second base 13, the ball 14 and the first base 12 are assembled by an external force.

The camera device further includes a closed ring-shaped fixing collar 2, and the position of the fixing collar 2 corresponding to the balls 14 is sleeved on the outer surface of the plurality of second elastic arms 131.

Furthermore, a plurality of grooves 21 are formed in the inner wall of the fixing collar 2 at intervals, the positions of the plurality of grooves 21 correspond to the plurality of second elastic arms 131 respectively, an opening 22 is formed at the bottom of each groove 21, a supporting beam 23 is formed at the top of each groove 21 in a closed manner, when the fixing collar 2 is sleeved on the outer surface of the second base 13, each second elastic arm 131 enters the groove 21 from the opening 22 at the bottom of the corresponding groove 21, and the top of each second elastic arm 131 abuts against the supporting beam 23 to play a role of limiting, so that the fixing collar 2 is fixed, and the fixing collar 2 is prevented from sliding downwards.

Preferably, the fixed ring sleeve 2 is integrally formed by injection molding, and the bottom end of the fixed ring sleeve 2 is fixed on the outer surfaces of the second elastic arms 131 by using glue, so that not only the stability of the fixed ring sleeve 2 can be increased and the fixed ring sleeve is not easy to break, but also the fixed ring sleeve 2 can be firmly fixed on the outer surface of the second base 13, and the effect that the balls 14 are not easy to fall off is achieved.

Preferably, the number of the first elastic arms 121 and the second elastic arms 131 is four, each two adjacent first elastic arms 121 are arranged at an included angle of 90 °, and each two adjacent second elastic arms 131 are arranged at an included angle of 90 °.

Further, the first chassis 12 includes a first flat plate portion 123 and an annular portion 124 located at the periphery of the first flat plate portion 123, the plurality of first elastic arms 121 are formed to extend upward from the annular portion 124, the first flat plate portion 123 is recessed downward relative to the annular portion 124 to form an accommodating groove 125, the bottom of the imaging module 11 is embedded in the accommodating groove 125, the second chassis 13 includes a second flat plate portion 133, and the plurality of second elastic arms 131 are formed to extend upward from the periphery of the second flat plate portion 133. Further, the first base 12 is disposed above the second flat plate portion 133 of the second base 13, and the second elastic arm 131 formed by extending the periphery of the second flat plate portion 133 upward is disposed at the side of the first base 12.

Rotating device 1 still includes two magnetite 3, two coils 4 and PCB circuit board 5, and two magnetite 3 are all fixed and are 90 contained angles at the lower surface of first base 12 and two magnetite 3 and arrange, and two coils 4 set up on PCB circuit board 5 and correspond respectively and be located two magnetite 3 under. The two coils 4 are electrified to generate electromagnetic force, the direction of the electromagnetic force can be controlled by the direction of current, upward electromagnetic force can be generated, and downward electromagnetic force can also be generated. The two magnets 3 have two stages of N and S, and generate an acting force with the electromagnetic force of the coil 4 after energization, so that the imaging module 11 can oscillate in the front-rear and left-right directions.

Specifically, the two coils 4 are a first coil 41 and a second coil 42, a first through hole 134 is provided on the second flat plate portion 133 corresponding to the first coil 41, a second through hole 135 is provided on the second flat plate portion 133 corresponding to the second coil 42, the first coil 41 is inserted into the first through hole 134, and the second coil 42 is inserted into the second through hole 135.

Two magnetite 3 bond with the lower surface of first base 12 through the mode of viscose, and PCB circuit board 5 is fixed at the lower surface of second base 13 through the mode of viscose.

Fig. 6 is a schematic perspective view illustrating a rotating device in a camera device according to an embodiment of the present invention, and fig. 7 is a schematic top view illustrating the rotating device in the camera device according to the embodiment of the present invention. As shown in fig. 6, the first coil 41 at the a position generates electromagnetic force after being energized, and the first coil 41 generates acting force with respect to the first magnet 31 located above. When the attracting force is generated between the first coil 41 and the first magnet 31, as shown in fig. 7, the balls 14 held between the first elastic arm 121 and the second elastic arm 131 corresponding thereto in the 3 o ' clock direction roll downward, and the balls 14 held between the first elastic arm 121 and the second elastic arm 131 corresponding thereto in the 9 o ' clock direction roll upward, so that the imaging module 11 swings in the 3 o ' clock direction. When a repulsive force is generated between the first coil 41 and the first magnet 31, as shown in fig. 7, the balls 14 held between the first elastic arm 121 and the corresponding second elastic arm 131 in the 9 o ' clock direction roll downward, and the balls 14 held between the first elastic arm 121 and the corresponding second elastic arm 131 in the 3 o ' clock direction roll upward, so that the imaging module 11 swings in the 9 o ' clock direction. Through the change of the current in the first coil 41 at the a position, the back and forth swing of the imaging module 11 from the 3 o 'clock direction to the 9 o' clock direction is finally achieved.

Fig. 8 is another schematic perspective view of a rotating device in a camera device according to an embodiment of the invention, and fig. 9 is another schematic top view of the rotating device in the camera device according to an embodiment of the invention. As shown in fig. 8, the second coil 42 in the B position generates electromagnetic force when current is applied, and the second coil 42 generates acting force with respect to the second magnet 32 corresponding to the upper side. When the attracting force is generated between the second coil 42 and the second magnet 32, as shown in fig. 9, the balls 14 held between the first elastic arm 121 and the corresponding second elastic arm 131 in the 6 o ' clock direction roll downward, and the balls 14 held between the first elastic arm 121 and the corresponding second elastic arm 131 in the 12 o ' clock direction roll upward, so that the imaging module 11 swings in the 6 o ' clock direction. When a repulsive force is generated between the second coil 42 and the second magnet 32, as shown in fig. 9, the balls 14 held between the first elastic arm 121 and the corresponding second elastic arm 131 in the 12 o ' clock direction roll downward, and the balls 14 held between the first elastic arm 121 and the corresponding second elastic arm 131 in the 6 o ' clock direction roll upward, so that the imaging module 11 swings in the 12 o ' clock direction. Through the change of the current in the second coil 42 at the B position, the swing back and forth of the imaging module 11 from the 6 o 'clock direction to the 12 o' clock direction is finally realized.

Fig. 10 is another perspective view of a rotating device in a camera device according to an embodiment of the invention, and fig. 11 is another top view of the rotating device in the camera device according to the embodiment of the invention. As shown in fig. 10, when the first coil 41 and the second coil 42 at the position A, B are energized to generate electromagnetic force, the first coil 41 and the second coil 42 respectively generate acting force with the first magnet 31 and the second magnet 32 corresponding to the upper side, and when the first coil 41 and the second coil 42 respectively generate attraction acting force with the first magnet 31 and the second magnet 32, as shown in fig. 11, the balls 14 sandwiched between the first elastic arm 121 and the second elastic arm 131 corresponding to the first elastic arm 121 in the 3 o 'clock direction and the 6 o' clock direction roll downward, and the balls 14 sandwiched between the first elastic arm 121 and the second elastic arm 131 corresponding to the first elastic arm 121 in the 9 o 'clock direction and the 12 o' clock direction roll upward, so that the rotation angle of the combined force control imaging module 11 is generated, and at this time, the imaging module 11 swings in the direction of the included angle formed by the 3 o 'clock direction and the 6 o' clock direction. When repulsive forces are generated between the first and

second coils

41 and 42 and the first and

second magnets

31 and 32, respectively, as shown in fig. 11, the balls 14 sandwiched between the first elastic arms 121 and the corresponding second elastic arms 131 in the 3 o 'clock direction and the 6 o' clock direction roll upward, the balls 14 sandwiched between the first elastic arms 121 and the corresponding second elastic arms 131 in the 9 o 'clock direction and the 12 o' clock direction roll downward, and the rotation angle of the imaging module 11 is controlled by the combined force, so that the imaging module 11 swings in the direction of the included angle formed between the 9 o 'clock direction and the 12 o' clock direction. The current in the first coil 41 and the second coil 42 at the position A, B changes, so that the imaging module 11 finally swings back and forth from the diagonal direction formed by the 3 o 'clock direction and the 6 o' clock direction.

When an attractive acting force is generated between the first coil 41 at the a position and the corresponding first magnet 31 above and a repulsive acting force is generated between the second coil 42 at the B position and the corresponding second magnet 32 above, as shown in fig. 11, the balls 14 clamped between the first elastic arms 121 and the corresponding second elastic arms 131 in the 3 o 'clock direction and the 12 o' clock direction roll downward, and the balls 14 clamped between the first elastic arms 121 and the corresponding second elastic arms 131 in the 6 o 'clock direction and the 9 o' clock direction roll upward, so as to generate a combined force to control the rotation angle of the imaging module 11, and at this time, the imaging module 11 swings in the direction of the included angle formed between the 3 o 'clock direction and the 12 o' clock direction. When a repulsive force is generated between the first coil 41 at the a position and the corresponding first magnet 31 on the upper surface and an attractive force is generated between the second coil 42 at the B position and the corresponding second magnet 32 on the upper surface, as shown in fig. 11, the balls 14 sandwiched between the first elastic arms 121 and the corresponding second elastic arms 131 in the 6 o 'clock direction and the 9 o' clock direction roll downward, and the balls 14 sandwiched between the first elastic arms 121 and the corresponding second elastic arms 131 in the 3 o 'clock direction and the 12 o' clock direction roll upward, so that the combined force is generated to control the rotation angle of the imaging module 11, and at this time, the imaging module 11 swings in the direction of the included angle formed between the 6 o 'clock direction and the 9 o' clock direction. The current changes in the first coil 41 and the second coil 42 at the position A, B finally realize the swing of the imaging module 11 from the diagonal direction formed by the 6 o 'clock direction and the 9 o' clock direction.

In the implementation process, if the rotating device 1 is not fixed by the fixing collar 2, the balls 14 may be deformed by the electromagnetic force generated by the coil 4, which may cause the balls 14 to fall off. Meanwhile, when the device falls, the second elastic arm 131 is easy to deform, and the risk that the ball 14 falls off is generated, so that the fixing sleeve ring 2 is additionally arranged outside the rotating device 1, the stability of the whole device can be improved, and the effect of protecting the second base 13 can be achieved.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the present invention shall be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The camera device comprises a rotating device (1), wherein the rotating device (1) comprises an imaging module (11), a first base (12) and a second base (13), and is characterized in that a plurality of first elastic arms (121) are arranged at the periphery of the first base (12) at intervals, a plurality of second elastic arms (131) are arranged at the periphery of the second base (13) at intervals, the first elastic arms (121) correspond to the second elastic arms (131) respectively, a ball (14) is clamped between each first elastic arm (121) and the corresponding second elastic arm (131), the camera device further comprises a fixed lantern ring (2), and the fixed lantern ring (2) is arranged on the outer surfaces of the second elastic arms (131).

2. A camera device according to claim 1, characterized in that the fixing collar (2) is integrally formed by injection moulding.

3. The camera device according to claim 1, wherein a plurality of grooves (21) are spaced apart from each other on an inner wall of the fixing collar (2), the positions of the plurality of grooves (21) correspond to the plurality of second elastic arms (131), an opening (22) is formed at the bottom of each groove (21), a supporting beam (23) is formed at the top of each groove (21) and is closed, when the fixing collar (2) is fitted on the outer surface of the second base (13), each second elastic arm (131) enters the groove (21) from the opening (22) at the bottom of the corresponding groove (21), and the top of the second elastic arm (131) abuts against the supporting beam (23).

4. The camera device according to claim 1, wherein the fixing collar (2) is fixedly connected to the outer surface of the plurality of second resilient arms (131) by glue.

5. The camera device according to claim 1, wherein the number of the first elastic arms (121) and the second elastic arms (131) is four, each two adjacent first elastic arms (121) are arranged with an angle of 90 degrees therebetween, and each two adjacent second elastic arms (131) are arranged with an angle of 90 degrees therebetween.

6. The camera device according to claim 1, wherein the rotating device (1) further comprises two magnets (3), two coils (4) and a PCB (printed circuit board) board (5), the two magnets (3) are fixed on the lower surface of the first base (12) and the two magnets (3) are arranged at an included angle of 90 °, and the two coils (4) are disposed on the PCB (printed circuit board) board (5) and respectively located under the two magnets (3).

7. The camera device according to claim 6, wherein the second base (13) includes a second flat plate portion (133), the plurality of second elastic arms (131) are formed to extend upward from the periphery of the second flat plate portion (133), the two coils (4) are a first coil (41) and a second coil (42), respectively, a first through hole (134) is provided in the second flat plate portion (133) in correspondence with the first coil (41), a second through hole (135) is provided in the second flat plate portion (133) in correspondence with the second coil (42), the first coil (41) is fitted into the first through hole (134), and the second coil (42) is fitted into the second through hole (135).

8. The camera device according to claim 6, wherein the two magnets (3) are adhered to the lower surface of the first base (12) by means of an adhesive, and the PCB (5) is fixed to the lower surface of the second base (13) by means of an adhesive.

9. The camera device according to claim 1, wherein the first base (12) includes a first flat plate portion (123) and a ring portion (124) located at an outer periphery of the first flat plate portion (123), the plurality of first elastic arms (121) are formed by extending upward from the ring portion (124), the first flat plate portion (123) is recessed downward relative to the ring portion (124) to form a receiving groove (125), and a bottom of the imaging module (11) is embedded in the receiving groove (125).

10. A camera device according to claim 1, characterized in that the fixing collar (2) is in the form of a closed ring.