CN112788246A - Camera module and electronic equipment - Google Patents
Camera module and electronic equipment Download PDFInfo
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- CN112788246A CN112788246A CN202110196017.9A CN202110196017A CN112788246A CN 112788246 A CN112788246 A CN 112788246A CN 202110196017 A CN202110196017 A CN 202110196017A CN 112788246 A CN112788246 A CN 112788246A
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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
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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
- 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
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
Abstract
The application discloses module and electronic equipment make a video recording relates to the electronic product field. A camera module comprises a base body, a lens module, a substrate module, a chip module, a motion module, a first driving mechanism, a second driving mechanism and a third driving mechanism; the lens module and the substrate module are respectively arranged on the base body, the substrate module is movably arranged on the chip module, the chip module is connected with the motion module, the first driving mechanism and the second driving mechanism are respectively connected with the motion module through the third driving mechanism, the first driving mechanism can drive the motion module to move along a first direction, the second driving mechanism can drive the motion module to move along a second direction, and the third driving mechanism can drive the motion module to rotate around a first axis. An electronic device comprises the camera module. The anti-shake device can solve the problems that anti-shake sensitivity is not high, anti-shake effect is not good and power consumption is large.
Description
Technical Field
The application belongs to the technical field of electronic products, and particularly relates to a camera module and electronic equipment.
Background
With the wider application of the camera in the electronic device, the imaging quality requirements of the camera in photographing and video recording are higher and higher. When taking a picture or recording a video, the image is blurred by the shake generated by holding or walking, which results in greatly reduced imaging quality, and thus requires a powerful anti-shake system for the electronic device. Conventional anti-shake system corrects "optical axis skew" through the unsteady lens of camera lens, however, the weight of lens and suspension system increases along with the increase of chip to it is great to realize the load on the in-process suspension system of anti-shake, and anti-shake sensitivity is not high, can't reach better anti-shake effect, and meanwhile, has still increased electronic equipment's consumption.
Disclosure of Invention
The embodiment of the application aims at providing a camera module and electronic equipment, which can solve the problems of low anti-shake sensitivity, poor anti-shake effect and high power consumption.
In order to solve the technical problem, the present application is implemented as follows:
the embodiment of the application provides a module of making a video recording, this module of making a video recording includes:
the device comprises a base body, a lens module, a substrate module, a chip module, a motion module, a first driving mechanism, a second driving mechanism and a third driving mechanism;
the lens module and the substrate module are arranged in the substrate, the chip module is movably arranged on the substrate module, the chip module and the lens module are oppositely arranged, the chip module is connected with the motion module, the first driving mechanism is connected with one side of the motion module in a first direction, the second driving mechanism is connected with one side of the motion module in a second direction, the first direction, the second direction and the extension direction of the optical axis of the lens module are perpendicular to each other, and the third driving mechanism is connected with at least one side of the motion module;
the movement module may be reciprocally movable in the first direction when the first driving mechanism is activated, reciprocally movable in the second direction when the second driving mechanism is activated, and rotatable about a first axis parallel to an extending direction of an optical axis of the lens module when the third driving mechanism is activated.
In the embodiment of the application, the chip module can be moved back and forth in the first direction (i.e., the X-axis direction) by the first driving mechanism, so that the relative position between the chip module and the lens module can be adjusted in the first direction; the chip module can reciprocate in a second direction (namely, the Y-axis direction) through the second driving mechanism, so that the relative position between the chip module and the lens module can be adjusted in the second direction; the chip module can be rotated about the first axis (i.e., Z-axis) by the third driving mechanism, thereby adjusting the relative angle between the chip module and the lens module about the first axis. From this, through above-mentioned each actuating mechanism, can realize respectively that chip module removes in X axle direction, Y axle direction is upwards removed to and rotate in the Z axle direction, in order to reach the anti-shake effect, and then promote the anti-shake ability of the module of making a video recording greatly, further make the shot image more clear. Meanwhile, because the weight of the chip module is far smaller than that of the lens, compared with the conventional mode of realizing anti-shaking by moving the lens, the anti-shaking mode of the application enables the load of the drive to be smaller, thereby improving the sensitivity of anti-shaking and reducing the power consumption in the anti-shaking process.
Drawings
Fig. 1 is a disassembled schematic view of a camera module disclosed in the embodiment of the present application;
fig. 2 is an assembly schematic diagram of a camera module disclosed in the embodiment of the present application;
fig. 3 is a schematic external view of a camera module disclosed in the embodiment of the present application;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
fig. 6 is a schematic structural view of the camera module with the substrate removed, disclosed in the embodiment of the present application;
fig. 7 is an assembly schematic view of a rigid-flex board, a substrate module, a chip module, a support module, a motion module, a coil, a magnetic inductor, and a suspension dome disclosed in an embodiment of the present application;
fig. 8 is a disassembled schematic view of the motion module, the coil and the magnetic inductor disclosed in the embodiments of the present application;
fig. 9 is a schematic assembly diagram of the motion module, the coil and the magnetic inductor according to the embodiment of the present application;
fig. 10 is an assembly view of a lens module, a zoom motor, a magnet, and a suspension spring disclosed in an embodiment of the present application;
FIG. 11 is a schematic view of the distribution of first, second and third magnets disclosed in an embodiment of the present application;
fig. 12 is an assembly diagram of a rigid-flex board, a substrate module, a chip module and a support module disclosed in an embodiment of the present application;
fig. 13 is an assembly diagram of a rigid-flex board, a substrate module and a chip module disclosed in the embodiments of the present application;
fig. 14 is an assembly view of a rigid-flex board and a substrate module disclosed in an embodiment of the present application;
fig. 15 is a schematic structural diagram of a substrate module disclosed in an embodiment of the present application;
fig. 16 is a schematic structural diagram of a chip module disclosed in an embodiment of the present application;
FIG. 17 is a schematic structural diagram of a rack module disclosed in an embodiment of the present application;
fig. 18 is a schematic structural view of a suspension dome disclosed in the embodiment of the present application;
fig. 19 is a schematic view of the chip module of the camera module disclosed in the embodiment of the present application not moving along the X axis or the Y axis;
fig. 20 is a schematic view illustrating a chip module of the camera module disclosed in the embodiment of the present application moving along one side of the X axis or the Y axis;
fig. 21 is a schematic view of the chip module of the camera module disclosed in the embodiment of the present application moving along the other side of the X axis or the Y axis;
fig. 22 is a schematic view of a chip module of the camera module disclosed in the embodiment of the present application, which is not rotated around the Z-axis;
fig. 23 is a schematic view illustrating a chip module of the camera module disclosed in the embodiment of the present application rotating around the Z axis.
Description of reference numerals:
10-a substrate; 11-a protective cover; 12-a base;
20-a lens module;
30-a zoom motor;
40-a motion module; 41-a first plate; 42-a second plate; 43-a third plate; 44-a fourth plate;
51-a first drive mechanism; 511-a first coil; 512-a first magnet; 52-a second drive mechanism; 521-a second coil; 522-a second magnet; 53-a third drive mechanism; 531-third coil; 532-third magnet; 5321-a first magnetic part; 5322-a second magnetic part;
60-a rack module;
70-a chip module;
80-a substrate module; 81-a fixed part; 82-a motion part; 83-flexible connection;
90-rigid-flex boards;
100-hanging spring pieces;
110-an optical filter;
121-a first magnetic inductor; 122-a second magnetic inductor; 123-third magnetic inductor.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
As shown in fig. 1 to 23, an embodiment of the present application discloses a camera module, which includes a base 10, a lens module 20, a substrate module 80, a chip module 70, a motion module 40, a first driving mechanism 51, a second driving mechanism 52, and a third driving mechanism 53.
The base body 10 is a basic mounting member of the camera module, and the base body 10 provides a mounting base for the lens module 20, the substrate module 80, the chip module 70, and the like. Alternatively, the base 10 may include a protective cover 11 and a base 12, the protective cover 11 may be a polygonal case, a circular case, or the like, and the base 12 may be a polygonal plate, a circular plate, or the like. The bottom end opening of safety cover 11, base 12 install at the bottom end opening part of safety cover 11 to carry out the shutoff to the opening. Thus, an installation space is enclosed between the protective cover 11 and the base 12, and some electronic components of the camera module can be arranged in the installation space. The protection cover 11 and the base 12 can protect and install electronic components in the installation space, and a user of the base 12 bears the electronic components and plays a role in protection.
The lens module 20 is a light-transmitting member of the camera module, which is an optical device, and can receive the optical signal through the lens module 20 and converge the optical signal on the chip module 70. In some embodiments, the lens module 20 may be directly fixed in the base 10, and an avoiding hole is formed on an end surface of the base 10 facing away from the base 12 to prevent the lens module 20 from being shielded. Of course, in other embodiments, the lens module 20 may also be disposed on the zoom motor 30, and under the driving action of the zoom motor 30, the lens module 20 may be close to or far away from the chip module 70, so as to achieve zooming.
The board module 80 is a support member for the camera module, and the board module 80 is provided inside the base body 10 and can support the chip module 70 and the like. In some embodiments, the substrate module 80 may be fixed on the base 12, and the chip module 70 is disposed on the substrate module 80, on one hand, the substrate module 80 supports the chip module 70, and on the other hand, the chip module 70 is electrically connected to the substrate module 80, so that the chip module 70 can be electrically connected to other components through the substrate module 80. Optionally, the substrate module 80 may also be connected to a rigid-flex board 90, and the rigid-flex board 90 may be connected to a motherboard of the electronic device through a connector. Thus, the chip module 70 can be electrically connected to the motherboard of the electronic device through the substrate module 80 and the rigid-flex board 90, so as to realize signal interaction between the chip module 70 and the motherboard.
The chip module 70 is a photosensitive member of the camera module, wherein the chip module 70 may include a photosensitive chip and other electronic components, and can sense light through the photosensitive chip, and convert the received optical signal into an electrical signal to realize framing and shooting. Referring to fig. 13, in some embodiments, the chip module 70 may be movably disposed on the substrate module 80, and the chip module 70 is disposed opposite to the lens module 20. At this time, the chip module 70 can move relative to the lens module 20 to achieve the anti-shake purpose.
Referring to fig. 6 and 7, the motion module 40 is a mounting and connecting member of the camera module, the motion module 40 is disposed in the base 10 and connected to the chip module 70, and when the motion module 40 is subjected to a force, the force can be transmitted to the chip module 70, so that the motion module 40 and the chip module 70 move. Alternatively, the motion module 40 may be a frame structure, such as a rectangular frame, and the frame structure has a cavity, the lens module 20 is disposed inside the cavity, and a gap is left between the lens module 20 and an inner cavity wall of the frame structure, so as to ensure that the motion module 40 does not touch the lens module 20 during motion. Of course, in other embodiments, the lens module 20 may also be disposed on the zoom motor 30, and the zoom motor 30 is disposed in the cavity of the frame structure, in which case, a gap is left between the zoom motor 30 and the inner cavity wall of the frame structure, so as to ensure that the motion module 40 does not touch the zoom motor 30 during the motion.
Referring to fig. 6, in order to make the motion module 40 and the chip module 70 connected to the motion module 40 generate motion, in the embodiment of the present application, a plurality of sets of driving mechanisms are added, specifically including a first driving mechanism 51, a second driving mechanism 52, and a third driving mechanism 53. In some embodiments, the first driving mechanism 51 is connected to one side of the moving module 40 in a first direction, the second driving mechanism 52 is connected to one side of the moving module 40 in a second direction, and the third driving mechanism 53 is connected to at least one side of the moving module 40, wherein the first direction is perpendicular to an extending direction of an optical axis of the lens module 20, the second direction is perpendicular to an extending direction of an optical axis of the lens module 20, and the first direction is perpendicular to the second direction.
Based on the above arrangement, in the case where the first driving mechanism 51 is activated, the first driving mechanism 51 may drive the motion module 40 to reciprocate in the first direction (i.e., the X-axis direction) to adjust the relative position between the chip module 70 connected to the motion module 40 and the lens module 20 in the first direction (i.e., the X-axis direction). In the case where the second driving mechanism 52 is activated, the second driving mechanism 52 may drive the motion module 40 to reciprocate in the second direction (i.e., the Y-axis direction) to adjust the relative position between the chip module 70 connected to the motion module 40 and the lens module 20 in the second direction (i.e., the Y-axis direction). In the case where the third driving mechanism 53 is activated, the third driving mechanism 53 may drive the motion module 40 to rotate about a first axis (i.e., Z-axis) to adjust a rotation angle of the chip module 70 connected to the motion module 40 relative to the lens module 20 about the first axis, wherein the first axis is parallel to an extending direction of an optical axis of the lens module 20.
Based on the above setting, through first actuating mechanism 51, second actuating mechanism 52 and third actuating mechanism 53, can realize respectively that chip module 70 is at the ascending removal of two directions of X axle, the ascending removal of two directions of Y axle and around the Z rotation of axle to reach the anti-shake effect, and then promote the anti-shake ability of the module of making a video recording greatly, further make the shot image more clear. Meanwhile, because the weight of chip module 70 is far less than the weight of camera lens, compare in the conventional mode that realizes the anti-shake through moving the camera lens, the anti-shake mode of this application makes the load of drive littleer, and under the effect of equal drive power, the sensitivity of chip module 70 moving means is higher, the phenomenon that the reaction lags can not appear, and then has promoted the sensitivity of anti-shake system greatly to reach better anti-shake effect. Because the mass of the chip module 70 is small, the corresponding driving force is small, so that the power consumption caused by driving can be reduced, and the cruising ability of the electronic equipment can be improved to a certain extent.
In some alternative embodiments, the first driving mechanism 51 includes a first coil 511 and a first magnet 512, the first coil 511 is disposed on the moving module 40, the first magnet 512 is disposed on the lens module 20, and the first coil 511 and the first magnet 512 are disposed opposite to each other in the first direction. Referring to fig. 6 to 11, alternatively, the moving module 40 may be a frame structure, such as a rectangular frame, and the frame structure has a cavity formed thereon, the lens module 20 is disposed in the cavity of the frame structure, and an inner wall of the cavity is disposed opposite to an outer wall of the lens module 20. At this time, the first coil 511 and the first magnet 512, which are oppositely disposed in the first direction, are located between the inner wall of the cavity and the outer wall of the lens module 20 with a certain interval between the first coil 511 and the first magnet 512. The first coil 511 may be fixed on the inner wall of the moving cavity, for example, adhered to the inner wall of the moving cavity by glue, and the first magnet 512 is adhered to or embedded in the lens module 20. When the first coil 511 is energized, the magnetic fields of the first coil 511 and the first magnet 512 interact with each other, so that a mutual driving force can be generated to attract or repel each other between the first coil 511 and the first magnet 512. Therefore, the motion module 40 and the chip module 70 may be synchronously moved back and forth in the first direction under the driving action of the interaction force between the first coil 511 and the first magnet 512 to adjust the position of the chip module 70 in the first direction relative to the lens module 20, thereby achieving anti-shake by changing the relative positions of both the chip module 70 and the lens module 20 in the first direction.
In other embodiments, the lens module 20 may be disposed on the zoom motor 30, in which case the first magnet 512 is fixed on the outer wall of the zoom motor 30 and the first coil 511 is fixed on the motion module 40. The chip module 70 can also be moved relative to the movement module 40 in a first direction by the interaction of the first magnet 512 and the first coil 511.
With continued reference to fig. 6 to 11, in some alternative embodiments, the second driving mechanism 52 includes a second coil 521 and a second magnet 522, the second coil 521 is disposed on the moving module 40, the second magnet 522 is disposed on the lens module 20, and the second coil 521 and the second magnet 522 are disposed oppositely along the second direction. It should be noted here that the respective positions and interaction principles of the second coil 521 and the second magnet 522 in the second driving mechanism 52 are substantially similar to those of the first coil 511 and the first magnet 512 in the first driving mechanism 51, and the difference is mainly that the second coil 521 and the second magnet 522 are oppositely disposed along the second direction, and the motion module 40 is driven to move in the second direction through interaction, so that the position of the chip module 70 relative to the lens module 20 in the second direction can be adjusted, and thus the anti-shake effect is achieved by changing the relative positions of the chip module 70 and the lens module 20 in the second direction.
With continued reference to fig. 6-11, in some alternative embodiments, the third driving mechanism 53 includes a third coil 531 and a third magnet 532, the third coil 531 is disposed on the movement module 40, the third magnet 532 is disposed on the lens module 20, and the third coil 531 and the third magnet 532 are disposed opposite to each other in the first direction or the second direction. Alternatively, the force generated by the interaction of the third coil 531 and the third magnet 532 is unbalanced on the moving module 40, that is, the position of the third coil 531 and the third magnet 532 which are oppositely disposed is deviated from the optical axis of the lens module 20, so that the force generated by the interaction of the third coil 531 and the third magnet 532 has a certain distance from the optical axis, thereby enabling the force to generate a rotational moment for driving the moving module 40 to rotate about the first axis (i.e., the Z-axis). When the third coil 531 is energized, the third coil 531 and the third magnet 532 attract or repel each other, and thus, the attraction or repulsion force may generate a rotation moment to rotate the moving module 40 about the first axis (i.e., the Z-axis) so as to adjust the relative angle between the chip module 70 and the lens module 20 in the direction about the first axis (i.e., the Z-axis).
Based on the above arrangement, in the embodiment of the present application, the chip module 70 can adjust the relative position with the lens module 20 in the first direction (i.e., the X-axis direction) by the interaction of the first coil 511 and the first magnet 512, the chip module 70 can adjust the relative position with the lens module 20 in the second direction (i.e., the Y-axis direction) by the interaction of the second coil 521 and the second magnet 522, and the chip module 70 can adjust the relative angle with the lens module 20 around the first axis (i.e., the Z-axis) by the interaction of the third coil 531 and the third magnet 532. To sum up, in the embodiment of the present application, the chip module 70 can perform three-axis motion relative to the lens module 20 through the first driving mechanism 51, the second driving mechanism 52 and the third driving mechanism 53, so that the motion range of the chip module 70 is increased, and the anti-shake effect of the camera module is effectively improved.
In some alternative embodiments, the moving module 40 includes a first plate 41, a second plate 42, a third plate 43, and a fourth plate 44 disposed in sequence around the first plate 41, the second plate 42, and the third plate 43, and the second plate 42, and the fourth plate 44 are disposed opposite to each other in the first direction, so that the first plate 41, the second plate 42, the third plate 43, and the fourth plate 44 together enclose a polygonal cavity, such as a rectangular cavity, in which the lens module 20 or the zoom motor 30 can be disposed. Alternatively, the first coil 511 is fixed to the first plate 41, the second coil 521 is fixed to the second plate 42, and the third coil 531 is fixed to at least one of the third plate 43 and the fourth plate 44. In a specific embodiment, the first coil 511 is located in a region of the first plate 41 near the middle, and the second coil 521 is located in a region of the second plate 42 near the middle.
In order to make the motion module 40 reciprocate in the first direction (i.e., the X-axis direction) by the interaction of the first coil 511 and the first magnet 512, the first coil 511 is provided in the middle region of the first plate 41, and the first magnet 512 is provided opposite to the first coil 511, at this time, in the case where the first coil 511 is energized, the interaction force between the first coil 511 and the first magnet 512 is balanced in the Z-axis direction, balanced in the Y-axis direction, and attracted or repelled in the X-axis direction, so that the motion module 40 connected to the first coil 511 can move forward or backward in the X-axis direction without deflection by the interaction of the first coil 511 and the first magnet 512.
Similarly, in order to make the motion module 40 reciprocate in the second direction (i.e., the Y-axis direction) by the interaction between the second coil 521 and the second magnet 522, the second coil 521 is disposed in the middle region of the second plate 42, and the second magnet 522 and the second coil 521 are disposed opposite to each other, and at this time, in the case where the second coil 521 is energized, the interaction force between the second coil 521 and the second magnet 522 is balanced in the Z-axis direction, balanced in the X-axis direction, and attracted or repelled in the Y-axis direction, so that the motion module 40 connected to the second coil 521 can move forward or backward in the Y-axis direction without deflection by the interaction between the second coil 521 and the second magnet 522.
In order to rotate the moving module 40 around the first axis (i.e., Z-axis) under the interaction of the third coil 531 and the third magnet 532, the third coil 531 is disposed on at least one of the third plate 43 and the fourth plate 44, and the interaction force generated by the third coil 531 and the third magnet 532 has a moment arm with the Z-axis to form a rotation moment. The motion module 40 connected to the third coil 531 may rotate about the Z-axis by the interaction of the third coil 531 and the third magnet 532. In addition to the above, the third coil 531 may be provided on the first plate 41 and/or the second plate 42, that is, the third coil 531 may be provided on at least one of the first plate 41, the second plate 42, the third plate 43, and the fourth plate 44, so that the motion module 40 may be driven to rotate about the Z-axis by the interaction of at least one set of the third coil 531 and the third magnet 532 interacting. In addition, at least one third coil 531 is provided on at least one of the first plate 41, the second plate 42, the third plate 43, and the fourth plate 44, and accordingly, at least one third magnet 532 is provided on a side of the lens module 20 or the zoom motor 30 opposite to each plate. In the present application, the number of the third coils 531 on each plate is not limited, and may be 1, two, three, etc., and the arrangement position is not limited as long as the motion module 40 can be driven to rotate around the Z-axis by the interaction of the third coils 531 and the third magnets 532. For example, taking as an example that three third coils 531 are provided at intervals in the second direction (i.e., the Y-axis direction) on the third plate 43 and three third coils 531 are provided at intervals in the first direction (i.e., the X-axis direction) on the fourth plate 44, one third coil 531 is disposed at each of both ends in the second direction of the third plate 43 and one third coil 531 is disposed in the middle, and at the same time, one third coil 531 is disposed at each of both ends in the first direction of the fourth plate 44 and one third coil 531 is disposed in the middle, and each third coil 531 is provided with a third magnet 532 respectively. At this time, the third coil 531 may be selectively energized according to actual conditions, for example, a first current is applied to the third coil 531 at the end of the third plate 43 far from the fourth plate 44, a second current is applied to the third coil 531 at the end of the third plate 43 near the fourth plate 44, a first current is applied to the third coil 531 at the end of the fourth plate 44 near the third plate 43, a second current is applied to the third coil 531 at the end of the fourth plate 44 far from the third plate 43, the first current and the second current are opposite, and at this time, the motion module 40 may rotate around the Z axis in the first rotation direction; when the currents applied to the third coils 531 are opposite, the moving module 40 can rotate around the Z-axis in a second rotation direction, which is opposite to the first rotation direction. Of course, other current passing manners may be adopted as needed, as long as the requirement that the motion module 40 rotates around the Z axis is met, and the present application is not limited thereto.
Referring to fig. 6 to 11, in some alternative embodiments, the first magnet 512 may be a first magnet, and the first coil 511 attracts or repels the first magnet when the first coil 511 is energized. Since the interaction force between the first magnet 512 and the first coil 511 needs to drive the motion module 40 to reciprocate in the first direction (i.e., the X-axis direction), the first magnet is typically a unipolar magnet. When a first current is applied to the first coil 511, the polarity of the first coil 511 is opposite to that of the first magnet, so that the first coil 511 and the first magnet attract each other; when a second current is applied to the first coil 511, the first coil 511 and the first magnet have the same polarity, so that the first coil 511 and the first magnet repel each other. The first current and the second current are opposite in direction.
Similarly, the second magnet 522 may be a second magnet, and the second coil 521 attracts or repels the second magnet when the second coil 521 is energized. Since the interaction force between the second magnet 522 and the second coil 521 is required to drive the motion module 40 to reciprocate in the second direction (i.e., the Y-axis direction), the second magnet is typically a unipolar magnet. When a third current is applied to the second coil 521, the polarity of the second coil 521 is opposite to that of the second magnet, so that the second coil 521 and the second magnet are attracted; when a fourth current is applied to the second coil 521, the polarity of the second coil 521 is the same as that of the second magnet, so that the second coil 521 and the second magnet repel each other. The third current and the fourth current are opposite in direction.
The third magnet 532 includes a first magnetic part 5321 and a second magnetic part 5322 disposed in the first direction or the second direction, and the first magnetic part 5321 and the second magnetic part 5322 are disposed opposite to the third coil 531, respectively. In some embodiments, when the third coil 531 is energized, one of the first magnetic part 5321 and the second magnetic part 5322 attracts the third coil 531 and the other repels the third coil 531, i.e., the first magnetic part 5321 and the second magnetic part 5322 have opposite polarities. Of course, in other embodiments, the first magnetic part 5321 and the second magnetic part 5322 are both attracted or repelled to the third coil 531, i.e., the polarities of the first magnetic part 5321 and the second magnetic part 5322 may also be the same. For example, when the third coils 531 are respectively provided at both ends of the third plate 43 in the second direction (i.e., the Y-axis direction), the first and second magnetic parts 5321 and 5322 of the third magnet 532 opposite to the third coil 531 at one end are both N-poles, and the first and second magnetic parts 5321 and 5322 of the third magnet 532 opposite to the third coil 531 at the other end are both S-poles, at which time the polarities of the first and second magnetic parts 5321 and 5322 of the third magnet 532 at both ends are the same, both N-poles or both S-poles. When the third coil 531 is disposed at the middle position of the third plate 43 in the second direction (i.e., the Y-axis direction), the first magnetic part 5321 and the second magnetic part 5322 of the third coil 531 are located on the middle side, respectively, and thus the polarities of the first magnetic part 5321 and the second magnetic part 5322 are repelled.
Based on the above arrangement, the polarities of the first magnetic portion 5321 and the second magnetic portion 5322 in the third magnet 532 are not limited in the embodiment of the present application, and may be determined according to the arrangement form of the third magnet 532, in short, as long as the motion module 40 can be rotated about the Z axis.
In some alternative embodiments, the third magnet 532 is a third magnet, and the third coils 531 are disposed on the third plate 43 in the second direction (i.e., the Y-axis direction) at both end regions, respectively, and are opposite to the third magnet, but of course, other arrangements are possible, such as providing the third coils 531 on the third plate 43 in the second direction at both end regions and at a middle region, respectively.
Of course, the third coils 531 provided so as to oppose the third magnets may be provided on both end regions of the fourth plate 44 in the first direction (i.e., the X-axis direction), or the third coils 531 provided so as to oppose the third magnets may be provided on both end regions and a middle region of the fourth plate 44 in the first direction.
The present application does not limit the arrangement position of the third coil 531 as long as the actual requirement can be satisfied.
Referring to fig. 7 to 9, in some alternative embodiments, a position detecting element is disposed on the motion module 40 to detect an actual position of the motion module 40 in real time through the position detecting element, so as to obtain an actual position of the chip module 70 connected to the motion module 40. In order to detect the positions of the motion module 40 and the chip module 70 in the first direction (i.e., the X-axis direction), the present application provides the first magnetic inductor 121 on one side of the motion module 40 in the first direction. Alternatively, the first magnetic inductor 121 is disposed on the first plate 41 and located inside the first coil 511, and at this time, the first magnetic inductor 121 is disposed opposite to the first magnet 512. During the movement of the motion module 40, the first magnetic inductor 121 detects the magnetic field strength around the motion module 40 in real time, for example, detects the magnetic field strength of the first magnet 512, and the specific position of the motion module 40 in the first direction is known by the detected magnetic field strength of the first magnet 512.
In order to detect the positions of the motion block 40 and the chip block 70 in the second direction (i.e., the Y-axis direction), the present application provides a second magnetic inductor 122 on one side of the motion block 40 in the second direction. Alternatively, the second magnetic inductor 122 is disposed on the second plate 42 and inside the second coil 521, and at this time, the second magnetic inductor 122 is disposed opposite to the second magnet 522. During the movement of the motion module 40, the second magnetic inductor 122 detects the magnetic field strength around the motion module 40 in real time, for example, detects the magnetic field strength of the second magnet 522, and the specific position of the motion module 40 in the second direction is known through the detected magnetic field strength of the second magnet 522.
In order to detect the rotation angle of the motion module 40 and the chip module 70 around the first axis (i.e., Z axis), the present application provides a third magnetic sensor 123 on the other side of the motion module 40 along the first direction and/or the second direction. Alternatively, the third magnetic inductor 123 is provided on the third plate 43, the fourth plate 44, or both the third plate 43 and the fourth plate 44, and the third magnetic inductor 123 is located inside the third coil 531, at which time the third magnetic inductor 123 is disposed opposite to the third magnet 532. Of course, in the present application, the third magnetic inductor 123 may be disposed on at least one of the first plate 41, the second plate 42, the third plate 43, and the fourth plate 44, which may be determined according to actual situations. Taking the example of disposing the third magnetic inductor 123 on the third plate 43 and the fourth plate 44 at the same time, during the movement of the movement module 40, the third magnetic inductor 123 detects the magnetic field strength around the movement module 40 in real time, for example, detects the magnetic field strength of the third magnet 532 disposed opposite to the third magnetic inductor 123, and the rotation angle of the movement module 40 around the first axis is known by the detected magnetic field strength of the third magnet 532.
Referring to fig. 1 to 4, in some alternative embodiments, the camera module may further include a zoom motor 30. Specifically, the lens module 20 is disposed on a zoom motor 30, and the lens module 20 can be driven by the zoom motor 30 to move along the Z-axis to achieve zooming. The moving module 40 is formed with a mounting cavity in which the zoom motor 30 is at least partially disposed with a certain interval between each side of the zoom motor 30 and each sidewall of the mounting cavity to facilitate the movement of the moving module 40 relative to the zoom motor 30. Further, the first drive mechanism 51, the second drive mechanism 52, and the third drive mechanism 53 are respectively provided between the side surfaces of the zoom motor 30 and the side walls of the corresponding mounting cavities. In some embodiments, the first coil 511 is fixed to the first plate 41, the first magnet 512 is fixed to a first side of the zoom motor 30, the second coil 521 is fixed to the second plate 42, the second magnet 522 is fixed to a second side of the zoom motor 30, the third coil 531 is fixed to the third plate 43 and the fourth plate 44, and the third magnet 532 is fixed to a third side and a fourth side of the zoom motor 30. Of course, the third coil 531 may be fixed on at least one of the first plate 41, the second plate 42, the third plate 43, and the fourth plate 44, and the third magnet 532 is fixed on at least one of the first side, the second side, the third side, and the fourth side of the zoom motor 30.
Based on the above arrangement, the zoom motor 30 can drive the lens module 20 to move in the Z-axis direction relative to the chip module 70, and the first driving mechanism 51, the second driving mechanism 52 and the third driving mechanism 53 can respectively drive the chip module 70 to move in the X-axis direction, move in the Y-axis direction and rotate around the Z-axis direction relative to the lens module 20, so that the relative movement between the lens module 20 and the chip module 70 in multiple directions is realized, the position adjustment range between the lens module 20 and the chip module 70 is further expanded, and the anti-shake effect of the camera module in multiple directions is greatly improved.
Referring to fig. 1, 12 and 17, in some optional embodiments, the image capturing module further includes a support module 60, the support module 60 can be used to support the optical filter 110, and the optical filter 110 can filter the light entering through the lens module 20 to filter out unwanted light sources according to the need. In addition, in order to supply power to the zoom motor 30, a plurality of conductive elastic pieces may be further disposed on the support module 60, and the conductive elastic pieces may connect the zoom motor 30 and the photosensitive electronic element on the support module 60, so that electrical conduction between the zoom motor 30 and the support module 60 may be achieved, and the support module 60 may be connected to other electronic components to transmit electrical signals and electrical energy to the zoom motor 30.
Referring to fig. 12 to fig. 16, further, the support module 60 is movably disposed on the substrate module 80, an accommodating space is defined between the support module 60 and the substrate module 80, and the chip module 70 is at least partially disposed in the accommodating space and located between the support module 60 and the substrate module 80. The moving module 40 is disposed on the support module 60, the support module 60 can support the moving module 40, and the chip module 70 partially extends out of the accommodating space and is connected to the moving module 40. Optionally, the edge of the support module 60 overlaps the substrate module 80, so that during the movement of the moving module 40, the support module 60 is driven to move relative to the substrate module 80, and at the same time, the chip module 70 is driven to move relative to the substrate module 80, so as to adjust the position of the chip module 70 relative to the lens module 20. Furthermore, since the chip module 70 is also electrically connected to the motion module 40 and the substrate module 80, the chip module 70 can transmit electrical signals and electrical energy to the motion module 40 and the substrate module 80, respectively.
Referring to fig. 1, 4, 6 and 18, in some optional embodiments, the camera module further includes a suspension spring 100, the suspension spring 100 is disposed between the zoom motor 30 and the support module 60, and the zoom motor 30 and the support module 60 are connected by the suspension spring 100. The terminal of the zoom motor 30 is connected to one end of a suspension spring 100 disposed at the bottom of the zoom motor 30, and the other end of the suspension spring 100 is connected to the support module 60. The suspension spring 100 is a ring structure formed by a plurality of conductive spring pieces, and mainly functions to connect the terminals of the zoom motor 30 with an external circuit to transmit electrical signals and power. It should be noted that, as for the specific arrangement, connection relationship and the like of the suspension spring 100, reference may be made to the related art, and details thereof are not described herein.
Referring to fig. 13 to 15, in some alternative embodiments, the substrate module 80 includes a fixing portion 81, a moving portion 82 and a flexible connecting portion 83, wherein the flexible connecting portion 83 connects the fixing portion 81 and the moving portion, the chip module 70 is disposed on the moving portion 82, the chip module 70 is electrically connected to the moving portion 82, and the moving portion 82 and the fixing portion 81 are electrically connected through the flexible connecting portion 83. Alternatively, the fixing portion 81 may be an outer frame structure, and the moving portion 82 is located at the inner side of the fixing portion 81, so that the fixing portion 81 and the moving portion 82 form a structure of a zigzag shape, and the flexible connecting portion 83 is connected between the fixing portion 81 and the moving portion 82. The flexible connecting portion 83 may be a flexible metal sheet, a flexible metal wire, a flexible circuit board, etc., and the flexible connecting portion 83 may be used to electrically connect the moving portion 82 and the fixing portion 81, and also may be used to support the moving portion 82, so that the moving portion 82 may move relative to the fixing portion 81. Chip module 70 is fixed on motion portion 82, and the electric conduction between chip module 70 and motion portion 82, so, can realize the electric conduction between chip module 70 and the base plate module 80, and, fixed part 81 and soft or hard combination board 90 electric conduction, and the connector in the soft or hard combination board 90 and electronic equipment's mainboard electric conduction, and then realized the electric conduction between chip module 70 and electronic equipment's the mainboard, so that carry out the transmission of signal, electric energy between chip module 70 and the mainboard.
The embodiment of the application further discloses electronic equipment which comprises the camera module.
In the embodiment of the application, when the electronic equipment shakes, the optical system also displaces along with the electronic equipment, and at the moment, relevant displacement information and offset angle information can be obtained through sensors such as a gyroscope and the like in the electronic equipment system; due to the existence of each group of driving mechanism and the motion module 40, relative motion is generated between the chip module 70 and the lens module 20, relative positions can be obtained through each group of magnetic inductors in the electronic device, after each group of driving mechanism obtains data, currents with the same or different directions and magnitudes are generated for each group of coils through calculation, the currents generate electromagnetic induction with the magnetic field of each group of magnets after passing through each group of coils, acting force capable of driving each group of coils to move is formed, and finally the motion module 40 and the chip module 70 connected with the motion module 40 are driven to move, so that anti-shake adjustment is realized.
The electronic equipment in the embodiment of the application can be a mobile phone, a tablet computer, an electronic book reader, wearable equipment, vehicle-mounted equipment, unmanned aerial vehicle equipment and the like, and the embodiment of the application does not limit the specific type of the electronic equipment.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (11)
1. The utility model provides a module of making a video recording which characterized in that includes: the camera module comprises a base body (10), a lens module (20), a substrate module (80), a chip module (70), a motion module (40), a first driving mechanism (51), a second driving mechanism (52) and a third driving mechanism (53);
the lens module (20) and the substrate module (80) are respectively arranged in the base body (10), the chip module (70) is movably arranged on the substrate module (80) and is arranged opposite to the lens module (20), the chip module (70) is connected with the motion module (40), the first driving mechanism (51) is connected with one side of the motion module (40) in a first direction, the second driving mechanism (52) is connected with one side of the motion module (40) in a second direction, the first direction, the second direction and the extension direction of the optical axis of the lens module (20) are perpendicular to each other, and the third driving mechanism (53) is connected with at least one side of the motion module (40);
the motion module (40) is reciprocally movable in the first direction when the first drive mechanism (51) is activated, the motion module (40) is reciprocally movable in the second direction when the second drive mechanism (52) is activated, and the motion module (40) is rotatable about a first axis parallel to an extending direction of an optical axis of the lens module (20) when the third drive mechanism (53) is activated.
2. The camera module according to claim 1, wherein the first driving mechanism (51) comprises a first coil (511) and a first magnet (512), the first coil (511) is disposed on the moving module (40), the first magnet (512) is disposed on the lens module (20), and the first coil (511) and the first magnet (512) are disposed opposite to each other along the first direction;
and/or the second driving mechanism (52) comprises a second coil (521) and a second magnet (522), the second coil (521) is arranged on the motion module (40), the second magnet (522) is arranged on the lens module (20), and the second coil (521) and the second magnet (522) are oppositely arranged along the second direction;
and/or the third driving mechanism (53) includes a third coil (531) and a third magnet (532), the third coil (531) is provided to the moving module (40), the third magnet (532) is provided to the lens module (20), and the third coil (531) and the third magnet (532) are disposed opposite to each other in the first direction or the second direction.
3. The camera module according to claim 2, wherein the motion module (40) comprises a first plate (41), a second plate (42), a third plate (43) and a fourth plate (44) which are sequentially arranged around the motion module, wherein the first plate (41) and the third plate (43) are oppositely arranged in the first direction, and the second plate (42) and the fourth plate (44) are oppositely arranged in the second direction;
the first coil (511) is fixed to an area of the first plate (41) near the middle, the second coil (521) is fixed to an area of the second plate (42) near the middle, the third coils (531) are fixed to the third plate (43) in the second direction, and/or the third coils (531) are fixed to the fourth plate (44) in the first direction.
4. The camera module according to claim 3, wherein the first magnet (512) is a first magnet, and the first coil (511) attracts or repels the first magnet when the first coil (511) is energized;
and/or the second magnet (522) is a second magnet, and when the second coil (521) is electrified, the second coil (521) and the second magnet attract or repel each other;
and/or the third magnet (532) comprises a first magnetic part (5321) and a second magnetic part (5322) arranged along the first direction or the second direction, the first magnetic part (5321) and the second magnetic part (5322) being respectively arranged opposite to the third coil (531); when the third coil (531) is energized, one of the first magnetic part (5321) and the second magnetic part (5322) attracts the third coil (531) and the other thereof repels the third coil (531), or both the first magnetic part (5321) and the second magnetic part (5322) attract or repel the third coil (531).
5. The camera module according to claim 3, wherein the third magnet (532) is a third magnet, and third coils (531) are provided on both end regions and a middle region of the third plate (43) in the second direction, respectively, so as to oppose the third magnet;
and/or the third magnet (532) is a third magnet, and third coils (531) which are arranged opposite to the third magnet are respectively arranged in the two end regions and the middle region of the fourth plate (44) along the first direction.
6. The camera module according to claim 2, characterized in that it further comprises a first magnetic inductor (121) arranged on one side of the motion module (40) in the first direction, the first magnetic inductor (121) being configured to detect a magnetic field strength of the first magnet (512);
and/or the camera module further comprises a second magnetic inductor (122) arranged on one side of the motion module (40) along the second direction, wherein the second magnetic inductor (122) is configured to detect the magnetic field intensity of the second magnet (522);
and/or the camera module further comprises a third magnetic inductor (123) arranged on the other side of the motion module along the first direction and arranged on the other side of the motion module (40) along the second direction, wherein the third magnetic inductor (123) is configured to detect the magnetic field intensity of the third magnet (532).
7. The camera module according to any one of claims 1 to 6, further comprising a zoom motor (30), wherein the lens module (20) is disposed on the zoom motor (30), a mounting cavity is formed on the motion module (40), the zoom motor (30) is at least partially disposed in the mounting cavity, and the first driving mechanism (51), the second driving mechanism (52) and the third driving mechanism (53) are respectively disposed between a side surface of the zoom motor (30) and a side wall of the mounting cavity correspondingly disposed.
8. The camera module according to claim 7, further comprising a support module (60), wherein the support module (60) is movably disposed on the substrate module (80), wherein the chip module (70) is disposed between the support module (60) and the substrate module (80), and wherein the chip module (70) partially protrudes and is connected with the motion module (40), and wherein the motion module (40) is disposed on the support module (60).
9. The camera module according to claim 8, further comprising a suspension spring (100), wherein the suspension spring (100) is disposed between the zoom motor (30) and the stand module (60), and the zoom motor (30) is connected to the stand module (60) through the suspension spring (100).
10. The camera module according to claim 1, wherein the substrate module (80) comprises a fixed portion (81), a moving portion (82), and a flexible connecting portion (83) connected between the fixed portion (81) and the moving portion (82), the chip module (70) is disposed on the moving portion (82), the chip module (70) and the moving portion (82) are electrically connected, and the moving portion (82) and the fixed portion (81) are electrically connected through the flexible connecting portion (83).
11. An electronic device comprising the camera module of any one of claims 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110196017.9A CN112788246A (en) | 2021-02-20 | 2021-02-20 | Camera module and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110196017.9A CN112788246A (en) | 2021-02-20 | 2021-02-20 | Camera module and electronic equipment |
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| CN112788246A true CN112788246A (en) | 2021-05-11 |
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Application publication date: 20210511 |