Camera module and electronic equipment

Abstract

The utility model discloses a camera module and an electronic device. The camera module comprises a lens, a photosensitive element, a fixed assembly and a movable assembly. The fixed assembly comprises a plurality of magnets, the movable assembly and the fixed assembly are arranged in the first direction, the movable assembly comprises a chip support, an anti-shake coil, a sensing assembly and a PCB, and the anti-shake coil and the sensing assembly are arranged on the side, facing the fixed assembly, of the chip support along at least one end of the two ends in the second direction and at least one end of the two ends in the third direction. The anti-shake coil comprises a plurality of sub-coils, the sensing assembly comprises a plurality of sensors, the anti-shake coil is matched with the magnet to drive the movable assembly to move in a plane perpendicular to the first direction relative to the fixed assembly, and the sensing assembly is used for obtaining position information of the movable assembly moving relative to the fixed assembly. According to the camera module provided by the utility model, the accuracy of controlling the photosensitive element to move by the camera module is high, and the anti-shake effect can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to camera technology field especially is related to a camera module and electronic equipment. BACKGROUND

[0002] The camera on the market nowadays mainly drives the lens or photosensitive element to move through the driving component in it to realize the purpose of anti-shake, but the existing camera module has poor stability, the precision of driving and controlling the lens or photosensitive element to move is not high, and the anti-shake effect of the camera is influenced. SUMMARY

[0003] The utility model aims at at least one of the technical problems in prior art is solved, for this, the utility model provides a camera module, the camera module control photosensitive element moves the precision is high, can promote the anti-shake effect.

[0004] The utility model further provides an electronic equipment, the electronic equipment includes above-mentioned camera module.

[0005] The camera module according to the utility model embodiment, including: lens, photosensitive element, fixed assembly and movable assembly, the fixed assembly includes multiple magnets, the lens is connected with the fixed assembly, the photosensitive element is connected with the movable assembly, the movable assembly and the fixed assembly are arranged along the first direction, the movable assembly includes chip support, anti-shake coil, sensing assembly and PCB (printed circuit board), the side of the chip support towards the fixed assembly is equipped with the anti-shake coil and the sensing assembly along at least one end of two ends in the second direction and along at least one end of two ends in the third direction, the anti-shake coil includes multiple sub-coils, the sensing assembly includes multiple sensors, the PCB is fixed to the chip support and is connected with the anti-shake coil and the sensing assembly, the anti-shake coil is matched with the magnet and is used for driving the movable assembly to move in the plane perpendicular to the first direction relative to the fixed assembly, the sensing assembly is used for obtaining the position information of the movable assembly movement relative to the fixed assembly, wherein, the first direction, the second direction and the third direction are perpendicular to each other.

[0006] According to the camera module, the anti-shake coil and the sensing assembly are arranged on at least one of two ends in the second direction and at least one of two ends in the third direction of the side of the chip support of the movable assembly facing the fixed assembly, so that when the lens shakes, the anti-shake coil drives the movable assembly and the photosensitive element to generate a compensation displacement amount, and the sensing assembly corrects the displacement amount to ensure the accuracy of the movement of the movable assembly, so that the anti-shake effect is realized. The anti-shake coil includes a plurality of sub-coils, the sensing assembly includes a plurality of sensors, the plurality of sub-coils can compensate the rotation of the movable assembly in the displacement, and the signals transmitted by the plurality of sensors can be superimposed and calibrated, so that the position information error of the movable assembly during movement can be effectively reduced, the accuracy of controlling the movement of the photosensitive element is further improved, and the anti-shake effect of the camera module is improved.

[0007] According to some embodiments of the utility model, a plurality of sub coils on the same side of the second direction on the chip support are arranged along the third direction, a plurality of sub coils on the same side of the third direction on the chip support are arranged along the second direction, and / or a plurality of sensors on the same side of the second direction on the chip support are arranged along the third direction, and a plurality of sensors on the same side of the third direction on the chip support are arranged along the second direction.

[0008] According to some embodiments of the utility model, at least three sliding cavities are arranged on the side surface of the fixed assembly close to the movable assembly, the camera module further includes a plurality of balls, the balls are arranged in the sliding cavities, and the balls can roll on the side surface of the chip support facing the fixed assembly.

[0009] In some embodiments of the utility model, the fixed assembly is provided with a movable groove on the side surface away from the lens along the third direction, the sliding cavities are arranged on the bottom wall of the movable groove, and the movable assembly is movably arranged in the movable groove.

[0010] In some embodiments of the utility model, the side surface of the chip support facing the fixed assembly is provided with a plurality of rolling cavities opposite to the plurality of sliding cavities, the balls are arranged in the rolling cavities, and the balls are movable in at least one of the rolling cavities and the sliding cavities.

[0011] In some embodiments of the utility model, the fixed assembly includes a first support and a second support, the second support is connected with the first support through clamping, the second support is arranged between the first support and the movable assembly along the first direction, and the sliding cavities are arranged on the side surface of the second support away from the first support.

[0012] According to some embodiments of the present application, the side surface of the chip support facing the fixing assembly is provided with a damping groove, and the damping groove is provided with damping gel.

[0013] According to some embodiments of the present application, the side surface of the fixing assembly away from the movable assembly is provided with a containing groove, the containing groove penetrates through the fixing assembly, at least part of the lens is arranged in the containing groove, and a plurality of magnetic cavities are arranged on the side wall of the containing groove, and the magnet is arranged in the magnetic cavity.

[0014] In some embodiments of the present application, the camera module further comprises a focusing coil and a spring piece, the focusing coil is arranged in the containing groove and annularly arranged around the lens, the focusing coil cooperates with the magnet to drive the lens to move along the first direction, and the spring piece is fixed on the fixing assembly and connected with the focusing coil and the PCB respectively.

[0015] In some embodiments of the present application, the first metal piece is injection molded in the chip support, the anti-shake coil and the sensing assembly are communicated with the PCB through the first metal piece, and / or the second metal piece is injection molded in the fixing assembly, and the spring piece is communicated with the PCB through the second metal piece.

[0016] The electronic device according to the embodiments of the present application comprises the camera module.

[0017] According to the electronic device of the present application, the anti-shake coil and the sensing assembly are arranged on at least one of the two ends along the second direction and at least one of the two ends along the third direction of the side of the chip support of the movable assembly facing the fixing assembly, so that when the lens shakes, the movable assembly and the photosensitive element can be driven by the anti-shake coil to generate a compensation displacement amount, and the displacement amount can be corrected by the sensing assembly to ensure the accuracy of the movement of the movable assembly, thereby realizing the effect of anti-shake. The anti-shake coil comprises a plurality of sub-coils, the sensing assembly comprises a plurality of sensors, the plurality of sub-coils can compensate the rotation of the movable assembly in the displacement, and the signals transmitted by the plurality of sensors can be superimposed and calibrated, so that the position information error of the movement of the movable assembly can be effectively reduced, the accuracy of controlling the movement of the photosensitive element is further improved, and the anti-shake effect of the electronic device during photographing is improved.

[0018] Additional aspects and advantages of the present application will be given in part in the following description, some of which will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above and / or additional aspects and advantages of the present utility model will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the references to the following drawings, of which:

[0020] Figure 1 is an exploded view of the camera module according to an embodiment of the present utility model;

[0021] Figure 2 is a top view of the camera module according to an embodiment of the present utility model;

[0022] Figure 3 is a cross-sectional view along Figure 2 line A-A in the figure;

[0023] Figure 4 is a perspective view of the camera module according to an embodiment of the present utility model, wherein the top cover is not shown;

[0024] Figure 5 is a structural view of the movable assembly of the camera module according to an embodiment of the present utility model;

[0025] Figure 6 is a structural view of the fixed assembly of the camera module according to an embodiment of the present utility model;

[0026] Figure 7 is a structural view of the focusing coil and the spring sheet of the camera module according to an embodiment of the present utility model;

[0027] Figure 8 is an exploded view of the camera module according to another embodiment of the present utility model;

[0028] Figure 9 is a top view of the camera module according to another embodiment of the present utility model;

[0029] Figure 10 is a cross-sectional view along Figure 9 line B-B in the figure;

[0030] Figure 11 is a cross-sectional view along Figure 9 line C-C in the figure;

[0031] Figure 12 is a perspective view of the camera module according to another embodiment of the present utility model, wherein the top cover is not shown;

[0032] Figure 13 is a structural view of the movable assembly of the camera module according to another embodiment of the present utility model;

[0033] Figure 14 is a structural view of the fixed assembly of the camera module according to another embodiment of the present utility model;

[0034] Figure 15is a structure view of a first support of a fixing assembly of a camera module according to another embodiment of the utility model;

[0035] Figure 16 is a structure view of a second support of a fixing assembly of a camera module according to another embodiment of the utility model.

[0036] Reference Signs:

[0037] 100, camera module;

[0038] 1, fixing assembly; 11, magnet; 12, magnet support; 121, movable groove; 13, first support; 14, second support; 141, damping column; 15, sliding cavity; 151, first convex rib; 16, accommodating groove; 17, magnetic cavity;

[0039] 2, movable assembly; 21, chip support; 211, rolling cavity; 212, damping groove; 213, second convex rib; 214, third convex rib; 22, anti-shake coil; 221, sub-coil; 23, sensing assembly; 231, sensor; 24, PCB; 25, FPC;

[0040] 31, ball; 32, damping gel;

[0041] 4, focusing coil;

[0042] 5, elastic sheet; 51, upper elastic sheet; 52, lower elastic sheet;

[0043] 61, lens; 62, photosensitive element; 63, top cover; 631, through hole; 64, base; 65, accommodating cavity; 66, lens holder. DETAILED DESCRIPTION

[0044] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as the limitation of the utility model.

[0045] In the description of the utility model, it needs to be understood that, the orientation or positional relation indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relation shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model indicated or implied by the device or element to have a particular orientation, to be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the features limited by "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0046] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0047] Reference is made below Figures 1-16 The camera module 100 according to the embodiment of the utility model is described.

[0048] As Figure 1 And Figure 8 The camera module 100 according to the embodiment of the utility model is described.

[0049] Specifically, as Figures 1-5 And Figures 8-13 The camera module 100 according to the embodiment of the utility model is described.

[0050] The PCB 24 is fixed to the chip holder 21 and connected with the anti-shake coil 22 and the sensing assembly 23, the anti-shake coil 22 cooperates with the magnet 11 to drive the movable assembly 2 to move relative to the fixed assembly 1 in a plane perpendicular to the first direction, and the sensing assembly 23 is used to obtain the position information of the movable assembly 2 relative to the fixed assembly 1.

[0051] It can be understood that the movable assembly 2 and the fixed assembly 1 are arranged along the first direction, that is, the lens 61 and the photosensitive element 62 are arranged along the first direction, when the lens 61 shakes, the PCB 24 transmits a signal to the anti-shake coil 22 to control the size and direction of the current in the anti-shake coil 22, so that the magnetic field generated by the anti-shake coil 22 interacts with the magnetic field generated by the magnet 11, thereby driving the anti-shake coil 22 to move relative to the magnet 11, that is, driving the movable assembly 2 to move relative to the fixed assembly 1 in a plane perpendicular to the first direction, so that the photosensitive element 62 generates a calculated compensation displacement relative to the lens 61, thereby achieving the purpose of anti-shake. Compared with the way of driving the lens 61 to prevent shaking, the movable assembly 2 in the present scheme carries the photosensitive assembly to realize anti-shake, which can effectively reduce the load of the movable assembly 2, thereby facilitating the stability of the movement of the movable assembly 2.

[0052] Meanwhile, the sensing assembly 23 can detect the magnetic field, when the anti-shake coil 22 moves relative to the magnet 11, the magnetic field will also change, the sensing assembly 23 detects the change of the magnetic field of the anti-shake coil 22 and the magnet 11 to obtain the position information of the movable assembly 2 relative to the fixed assembly 1, that is, the position information of the movable assembly 2 relative to the fixed assembly 1, and transmits a signal to the PCB 24, thereby correcting the signal transmitted by the PCB 24 to the anti-shake coil 22 in real time, thereby realizing accurate control of the movement of the photosensitive element 62 and improving the anti-shake effect.

[0053] Among them, at least one end of the chip holder 21 along the second direction and at least one end of the chip holder 21 along the third direction are provided with the anti-shake coil 22 and the sensing assembly 23, thereby respectively controlling the movement of the movable assembly 2, that is, the photosensitive element 62 in the second direction and the third direction, thereby ensuring the accuracy of the movement of the photosensitive element 62 in the plane perpendicular to the first direction, thereby ensuring the anti-shake effect. The anti-shake coil 22 and the sensing assembly 23 can be arranged at one end of the chip holder 21 along the second direction and one end of the chip holder 21 along the third direction; the anti-shake coil 22 and the sensing assembly 23 can also be arranged at both ends of the chip holder 21 along the second direction and both ends of the chip holder 21 along the third direction; in addition, as shown in Figure 5 and Figure 13In the shown example, the anti-shake coil 22 can be arranged at both ends of the chip holder 21 along the second direction and at both ends of the chip holder 21 along the third direction, and the sensing assembly 23 can be arranged at one of the two ends of the chip holder 21 along the second direction and at one of the two ends of the chip holder 21 along the third direction.

[0054] Further, the anti-shake coil 22 includes a plurality of sub-coils 221, and the sensing assembly 23 includes a plurality of sensors 231. The PCB 24 respectively transmits signals to the plurality of sub-coils 221 to control the magnitude and direction of the current in the sub-coils 221, so that the magnetic field generated by the sub-coils 221 interacts with the magnetic field generated by the magnet 11, thereby the plurality of sub-coils 221 simultaneously drive the movable assembly 2 to move in the plane perpendicular to the first direction, which can improve the control accuracy and reliability of the anti-shake coil 22. Meanwhile, the plurality of sensors 231 respectively detect the change of the magnetic field and transmit information to the PCB 24. The signals transmitted by the plurality of sensors 231 can be further superimposed and calibrated, thereby effectively reducing the position information error of the movable assembly 2 during movement, further improving the accuracy of controlling the movement of the photosensitive element 62, and improving the anti-shake effect.

[0055] In addition, when the current is simultaneously input to the plurality of sub-coils 221, and the magnitude and direction of the current in the plurality of sub-coils 221 are respectively controlled, i.e., the magnetic field generated by the plurality of sub-coils 221 is controlled to generate driving force under the influence of the magnetic field of the magnet 11, so as to drive the anti-shake coil 22 to rotate around the preset center in the plane perpendicular to the first direction, thereby compensating for the rotation generated by the movable assembly 2 during displacement, thereby improving the accuracy of controlling the movement of the movable assembly 2, and further improving the anti-shake effect.

[0056] In the shown example, the anti-shake coil 22 can be arranged at both ends of the chip holder 21 along the second direction and at both ends of the chip holder 21 along the third direction, and the sensing assembly 23 can be arranged at one of the two ends of the chip holder 21 along the second direction and at one of the two ends of the chip holder 21 along the third direction.

[0057] Preferably, the anti-shake coil 22 and the sensing assembly 23 can be connected to the FPC 25 (Flexible Printed Circuit), and the anti-shake coil 22 and the sensing assembly 23 are respectively connected to the PCB 24 through the FPC 25. The anti-shake coil 22, the sensing assembly 23 and the FPC 25 can be an integral piece.

[0058] According to the camera module 100 in the embodiment of the present application, the anti-shake coil 22 and the sensing assembly 23 are arranged on at least one end of two ends in the second direction and at least one end of two ends in the third direction of the side of the chip support 21 of the movable assembly 2 facing the fixed assembly 1, so that when the lens 61 shakes, the anti-shake coil 22 drives the movable assembly 2 and the photosensitive element 62 to generate a compensation displacement amount, and the sensing assembly 23 corrects the displacement amount to ensure the accuracy of the movement of the movable assembly 2, thereby realizing the effect of anti-shake. The anti-shake coil 22 includes a plurality of sub-coils 221, the sensing assembly 23 includes a plurality of sensors 231, the plurality of sub-coils 221 can compensate the rotation of the movable assembly 2 in the displacement, and the signals transmitted by the plurality of sensors 231 can be superimposed and calibrated, thereby effectively reducing the position information error of the movable assembly 2 when moving, further improving the accuracy of controlling the movement of the photosensitive element 62, and further improving the anti-shake effect of the camera module 100.

[0059] In some embodiments of the present application, as shown in Figure 5 and Figure 13 , the plurality of sub-coils 221 on the same side of the chip support 21 in the second direction are arranged in the third direction, so that the plurality of sub-coils 221 arranged in the third direction can cooperate with the magnet 11 after current is passed to drive the movable assembly 2 to move in the third direction; the plurality of sub-coils 221 on the same side of the chip support 21 in the third direction are arranged in the second direction, so that the plurality of sub-coils 221 arranged in the second direction can cooperate with the magnet 11 after current is passed to drive the movable assembly 2 to move in the second direction, thereby realizing the movement of the movable assembly 2 driven by the anti-shake coil 22 in the plane perpendicular to the first direction, to ensure the anti-shake effect.

[0060] In some embodiments of the present application, as shown in Figure 5 and Figure 13 , the plurality of sensors 231 on the same side of the chip support 21 in the second direction are arranged in the third direction, so that the plurality of sensors 231 arranged in the third direction can detect the displacement of the movable assembly 2 in the third direction at multiple places, and the signals transmitted by the plurality of sensors 231 can be further superimposed and calibrated, thereby effectively reducing the position information error of the movable assembly 2 when moving in the third direction; the plurality of sensors 231 on the same side of the chip support 21 in the third direction are arranged in the second direction, so that the plurality of sensors 231 arranged in the second direction can detect the displacement of the movable assembly 2 in the second direction at multiple places, and the signals transmitted by the plurality of sensors 231 can be further superimposed and calibrated, thereby effectively reducing the position information error of the movable assembly 2 when moving in the second direction. Further, the accuracy of controlling the movement of the photosensitive element 62 can be improved, and the anti-shake effect can be improved.

[0061] In some embodiments of the present application, as shown inFigure 5 As shown in the drawings, the plurality of sub-coils 221 and the plurality of sensors 231 on the same side of the chip holder 21 in the second direction are one-to-one corresponding, and the plurality of sub-coils 221 and the plurality of sensors 231 on the same side of the chip holder 21 in the third direction are one-to-one corresponding. The plurality of sensors 231 can detect the magnetic field change between each sub-coil 221 and the magnet 11 respectively, so as to detect the displacement of each sub-coil 221, and according to the signal calibration and correction of the plurality of sensors 231, the PCB 24 can transmit signals to different sub-coils 221 respectively, so as to realize more accurate control of each sub-coil 221, while ensuring the displacement of the movable assembly 2 in the plane perpendicular to the first direction, the rotation generated in the displacement of the movable assembly 2 can also be compensated, so as to further improve the accuracy of controlling the movement of the photosensitive element 62 and improve the anti-shake effect.

[0062] In some embodiments of the present application, as shown in Figure 8 and Figure 13 , the number of magnets 11 and anti-shake coils 22 is the same, and the plurality of magnets 11 and the plurality of anti-shake coils 22 are respectively arranged opposite to each other in the first direction. The corresponding anti-shake coil 22 and magnet 11 can interact through the magnetic field to respectively drive the plurality of anti-shake coils 22 to generate displacement relative to the opposite magnet 11, so as to drive the movable assembly 2 to move, which can improve the control accuracy of controlling the movement of the movable assembly 2, thereby ensuring the anti-shake effect. As shown in the examples of Figure 8 and Figure 13 , the anti-shake coils 22 are arranged at both ends of the chip holder 21 in the second direction and at both ends of the chip holder 21 in the third direction, and the magnet 11 is four corresponding to the plurality of anti-shake coils 22, so as to ensure the stability and accuracy of the movement of the movable assembly 2 in the second direction and the third direction.

[0063] In some embodiments of the present application, the first metal piece is injection molded in the chip holder 21, and the anti-shake coil 22 and the sensing assembly 23 are in communication with the PCB 24 through the first metal piece. The first metal piece is integrally machined and formed with the chip holder 21 through the injection molding process, which can ensure the stability of the communication between the anti-shake coil 22 and the sensing assembly 23 and the PCB 24, thereby ensuring the stability of signal transmission and control.

[0064] In some embodiments of the present application, as shown in Figure 3 , Figure 5 , Figure 6 , Figure 13 , Figure 14 and Figure 16As shown, the fixed assembly 1 is provided with at least three sliding cavities 15 on the side surface close to the movable assembly 2, the camera module 100 further comprises a plurality of balls 31, the balls 31 are arranged in the sliding cavities 15, and the balls 31 can roll on the side surface of the chip support 21 towards the fixed assembly 1. The outer peripheral walls of the plurality of balls 31 abut against the fixed assembly 1 and the movable assembly 2, and the movement of the movable assembly 2 relative to the fixed assembly 1 can be realized by rolling of the plurality of balls 31. The balls 31 arranged in the sliding cavities 15 can realize omnidirectional movement, the friction of the balls 31 can be reduced, and thus the difficulty of the movement of the movable assembly 2 can be reduced. The single-layer balls 31 are designed in the application, the occupied space of the camera module 100 along the first direction can be effectively reduced, and the assembly process of the camera module 100 can be reduced.

[0065] In addition, the sliding cavities 15 are at least three, and the balls 31 are arranged in each of the sliding cavities 15, and the balls 31 in the three sliding cavities 15 can form a plane. The movable assembly 2 moves in the plane perpendicular to the first direction, and rotation and overturning of the movable assembly 2 can be avoided. The number of the sliding cavities 15 arranged on the fixed assembly 1 can be three, four, five, six or the like.

[0066] As shown in the examples of Figure 6 and Figure 14 , the sliding cavities 15 are four, and the four sliding cavities 15 are located at four corners of the fixed assembly 1, the balls 31 in three of the sliding cavities 15 can form a plane, and the ball 31 in the other sliding cavity 15 can avoid overturning of the movable assembly 2, and the stability of the movement of the movable assembly 2 is further enhanced.

[0067] As shown in the examples of Figure 6 and Figure 14 , the fixed assembly 1 is provided with a first protruding rib 151 on the side surface close to the movable assembly 2, the first protruding rib 151 is annular and defines the sliding cavity 15, and the fixed assembly 1 is provided with at least three first protruding ribs 151.

[0068] In some embodiments of the application, as shown in the examples of Figure 3 , Figure 5 , Figure 6 , Figure 13 , Figure 14 and Figure 16 , one or more balls 31 are arranged in the sliding cavities 15. At least one ball 31 is arranged in each of the sliding cavities 15, and thus the movement of the movable assembly 2 relative to the fixed assembly 1 can be realized by rolling of the balls 31. As shown in the example of Figure 6 , when one ball 31 is arranged in the sliding cavity 15, the movable assembly 2 moves relative to the fixed assembly 1, and the ball 31 rolls in the sliding cavity 15 and also moves relative to the fixed assembly 1. As shown in the example of Figure 14In the shown example, when a plurality of balls 31 is arranged in the sliding cavity 15 and fills the sliding cavity 15, the movable assembly 2 moves relative to the fixed assembly 1, and the plurality of balls 31 only rolls in situ in the sliding cavity 15. The plurality of balls 31 is arranged in a 5*5 matrix in the sliding cavity 15, and of course the plurality of balls 31 can also be arranged in a 2*2 matrix, a 3*3 matrix, or a 4*4 matrix, and the number and arrangement of the plurality of balls 31 are not limited in the application.

[0069] In some embodiments of the utility model, as shown in Figures 1-3 The fixed assembly 1 is provided with a movable groove 121 on the side surface away from the lens 61 in the third direction, the sliding cavity 15 is arranged on the bottom wall of the movable groove 121, and the movable assembly 2 is movably arranged in the movable groove 121. Therefore, the movable assembly 2 can move in the movable groove 121 through the rolling of the balls 31, and the movable groove 121 can save the occupied space of the fixed assembly 1 and the movable assembly 2 in the first direction, thereby facilitating the reduction of the volume of the camera module 100 and the reasonable design of the structure.

[0070] In some embodiments of the utility model, as shown in Figure 3 And Figure 5 The side surface of the chip support 21 facing the fixed assembly 1 is provided with a plurality of rolling cavities 211 opposite the plurality of sliding cavities 15, the balls 31 are arranged in the rolling cavities 211, and the balls 31 are movable in at least one of the rolling cavities 211 and the sliding cavities 15. Therefore, the rolling cavities 211 and the sliding cavities 15 jointly define the movement range of the balls 31, the balls 31 move in at least one of the rolling cavities 211 and the sliding cavities 15 while rolling, thereby realizing the universal movement of the balls 31, facilitating the improvement of the degree of freedom of the movable assembly 2 relative to the fixed assembly 1 in the plane perpendicular to the first direction, and reducing the friction of the movement of the movable assembly 2.

[0071] As shown in Figure 5 The side surface of the movable assembly 2 close to the fixed assembly 1 is provided with a second protruding rib 213, the second protruding rib 213 is annular and defines the rolling cavity 211, and the movable assembly 2 is provided with at least three second protruding ribs 213 corresponding to the sliding cavities 15.

[0072] In some embodiments of the utility model, as shown in Figures 8-11 And Figures 14-16As shown, the fixed assembly 1 comprises a first support 13 and a second support 14, the second support 14 is connected with the first support 13 through a clamping connection, the second support 14 is arranged between the first support 13 and the movable assembly 2 along a first direction, and a sliding cavity 15 is arranged on a side surface of the second support 14 away from the first support 13. By dividing the fixed assembly 1 into the first support 13 and the second support 14, the movement of the movable assembly 2 relative to the fixed assembly 1 can be realized through the second support 14, and components such as the magnet 11 can be fixed on the first support 13, so that the machining difficulty and the assembly difficulty of the fixed assembly 1 can be reduced.

[0073] In some embodiments of the utility model, as shown in Figure 13 As shown, a damping groove 212 is arranged on a side surface of the chip support 21 facing the fixed assembly 1, a damping gel 32 is arranged in the damping groove 212, a damping column 141 opposite to the damping groove 212 is arranged on a side of the fixed assembly 1 facing the movable assembly 2, and the damping column 141 is movably arranged in the damping groove 212 and abuts against the damping gel 32. The damping gel 32 can improve the stability of the movement of the damping column 141 through damping force while allowing the movement of the damping column 141, so that the stability of the movement of the movable assembly 2 can be ensured through the cooperation between the damping column 141 and the damping gel 32 when the movable assembly 2 moves relative to the movable assembly 2 while ensuring the movability and the movement freedom of the chip support 21.

[0074] As shown in Figure 13 As shown, a third convex rib 214 is arranged on a side surface of the movable assembly 2 close to the fixed assembly 1, and the third convex rib 214 is annular and defines the damping groove 212.

[0075] Preferably, a plurality of damping grooves 212 are arranged on a side surface of the chip support 21 facing the fixed assembly 1, and a plurality of damping columns 141 opposite to the plurality of damping grooves 212 are arranged on a side of the fixed assembly 1 facing the movable assembly 2, as shown in Figure 13 and Figure 14 As shown, the damping groove 212 and the damping column 141 are 4, of course, the damping groove 212 and the damping column 141 can also be 2, 3, 5, 6 or the like.

[0076] In some embodiments of the utility model, as shown in Figure 1 , Figure 6 , Figure 8 and Figure 14As shown, the side surface of the fixed assembly 1 away from the movable assembly 2 is provided with a containing groove 16, the containing groove 16 penetrates the fixed assembly 1, at least part of the lens 61 is arranged in the containing groove 16, a plurality of magnetic cavities 17 are arranged on the side wall of the containing groove 16, and the magnets 11 are arranged in the magnetic cavities 17. In this way, the lens 61 is arranged in the containing groove 16 and cooperates with the photosensitive assembly, the magnetic cavities 17 are arranged on the side wall of the containing groove 16, that is, the plurality of magnets 11 are arranged around the lens 61, the magnets 11 are cooperated with the anti-shake coil 22, and the structure design is reasonable.

[0077] As shown in the example, Figures 1-6 the fixed assembly 1 comprises a magnet support 12, the containing groove 16 and the magnetic cavity 17 are arranged on the magnet support 12, the magnets 11 are fixed on the magnet support 12, and the movable assembly 2 is movably connected to the magnet support 12. Figures 8-16 In another embodiment, as shown in the example, the fixed assembly 1 comprises a first support 13 and a second support 14 connected by clamping, the containing groove 16 and the magnetic cavity 17 are arranged on the first support 13, the magnets 11 are fixed on the first support 13, and the movable assembly 2 is movably connected to the second support 14.

[0078] In some embodiments of the utility model, Figure 1 , Figure 7 and Figure 8 as shown, the camera module 100 further comprises a focusing coil 4, the focusing coil 4 is arranged in the containing groove 16 and is arranged around the lens 61, the focusing coil 4 is connected with the PCB 24, and the focusing coil 4 is cooperated with the magnets 11 and is used to drive the lens 61 to move along the first direction. The focusing coil 4 and the magnets 11 are oppositely arranged along the first direction, the PCB 24 transmits signals to the focusing coil 4 to control the size and direction of the current in the focusing coil 4, so that the magnetic field generated by the focusing coil 4 interacts with the magnetic field generated by the magnets 11, thereby driving the lens 61 to move along the first direction, so as to achieve the purpose of focusing and focusing of the lens 61.

[0079] In some embodiments of the utility model, Figure 1 , Figure 7 and Figure 8 as shown, the camera module 100 further comprises a spring piece 5, the spring piece 5 is fixed on the fixed assembly 1, and the spring piece 5 is connected with the focusing coil 4 and the PCB 24 respectively. By arranging the spring piece 5, the connection between the lens 61, the focusing coil 4 and the fixed assembly 1 can be realized, so as to ensure the structural stability of the camera module 100. When the focusing coil 4 is cooperated with the magnets 11 to drive the lens 61 to move along the first direction, the spring piece 5 can allow the focusing coil 4 and the lens 61 to move along the first direction, thereby ensuring the focusing effect.

[0080] In addition, the second metal piece is injection molded in the fixing assembly 1, and the elastic sheet 5 is in communication with the PCB 24 through the second metal piece. The focusing coil 4 can be in communication with the PCB 24 through the elastic sheet 5 and the second metal piece, so as to ensure the control of the focusing coil 4 and realize stable focusing. The mechanical connection between the focusing coil 4 and the fixing assembly 1 and the signal connection between the focusing coil 4 and the PCB 24 can be realized without setting multiple components, so that the number of components of the camera module 100 can be simplified and the assembly steps and difficulty can be reduced.

[0081] Preferably, as shown in Figure 1 、 Figure 7 and Figure 8 indicated, the camera module 100 further comprises a lens holder 66, the lens holder 66 is arranged in the accommodating groove 16 and has a lens hole penetrating through the lens holder 66, at least part of the lens 61 is arranged in the lens hole, the lens holder 66 can play a connecting and supporting role, the focusing coil 4 is arranged around the lens holder 66, so as to ensure the connecting relationship between the lens 61 and the focusing coil 4, so as to ensure the stability of focusing. At the same time, the elastic sheet 5 is divided into an upper elastic sheet 51 and a lower elastic sheet 52, the upper elastic sheet 51 and the lower elastic sheet 52 are connected with the lens holder 66 respectively, and the upper elastic sheet 51 and the lower elastic sheet 52 are connected with the fixing assembly 1 at multiple positions along the circumferential direction of the lens holder 66 respectively, so as to realize the connection between the lens 61, the focusing coil 4 and the fixing assembly 1.

[0082] In some embodiments, the camera module 100 further comprises a top cover 63 and a base 64, the top cover 63 and the base 64 define an accommodating cavity 65, the fixing assembly 1, the movable assembly 2 and the photosensitive element 62 are arranged in the accommodating cavity 65, the top cover 63 is provided with a through hole 631 in communication with the accommodating cavity 65, and the lens 61 is arranged in the through hole 631.

[0083] The electronic device according to the embodiments of the present application is described below.

[0084] The electronic device according to the embodiments of the present application comprises the camera module 100 described above.

[0085] According to the electronic equipment, the anti-shake coil 22 and the sensing assembly 23 are arranged at least one of two ends in the second direction and at least one of two ends in the third direction of the side of the chip support 21 of the movable assembly 2 facing the fixed assembly 1, when the lens 61 shakes, the anti-shake coil 22 drives the movable assembly 2 and the photosensitive element 62 to generate a compensation displacement amount, and the sensing assembly 23 corrects the displacement amount to ensure the accuracy of the movement of the movable assembly 2, so that the anti-shake effect is realized. The anti-shake coil 22 comprises a plurality of sub-coils 221, the sensing assembly 23 comprises a plurality of sensors 231, the plurality of sub-coils 221 can compensate the rotation of the movable assembly 2 in the displacement, and the signals transmitted by the plurality of sensors 231 can be superimposed and calibrated, so that the position information error of the movable assembly 2 during movement can be effectively reduced, the accuracy of controlling the movement of the photosensitive element 62 is further improved, and the anti-shake effect during the photographing of the electronic equipment is improved.

[0086] Other configurations of the camera module 100 according to the embodiment of the present application, such as the lens 61 and the photosensitive element 62, and the operation are known to those skilled in the art, and will not be described in detail here.

[0087] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0088] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. An image capturing module, comprising: The camera module comprises: a lens (61) and a photosensitive element (62); a fixed assembly (1) comprising a plurality of magnets (11), the lens (61) being connected with the fixed assembly (1); a movable assembly (2) connected with the photosensitive element (62), the movable assembly (2) being arranged along a first direction with the fixed assembly (1), the movable assembly (2) comprising a chip support (21), a vibration reduction coil (22), a sensing assembly (23) and a PCB (24), the chip support (21) being provided with the vibration reduction coil (22) and the sensing assembly (23) on at least one of two ends along a second direction and at least one of two ends along a third direction of a side of the chip support (21) facing the fixed assembly (1), the vibration reduction coil (22) comprising a plurality of sub-coils (221), the sensing assembly (23) comprising a plurality of sensors (231), the PCB (24) being fixed to the chip support (21) and connected with the vibration reduction coil (22) and the sensing assembly (23), the vibration reduction coil (22) cooperating with the magnets (11) to drive the movable assembly (2) to move relative to the fixed assembly (1) in a plane perpendicular to the first direction, the sensing assembly (23) being used to acquire position information of the movable assembly (2) relative to the fixed assembly (1), wherein the first direction, the second direction and the third direction are perpendicular to each other.

2. The camera module of claim 1, wherein, a plurality of the sub-coils (221) on the same side of the chip support (21) along the second direction are arranged along the third direction, and a plurality of the sub-coils (221) on the same side of the chip support (21) along the third direction are arranged along the second direction; and / or, a plurality of the sensors (231) on the same side of the chip support (21) along the second direction are arranged along the third direction, and a plurality of the sensors (231) on the same side of the chip support (21) along the third direction are arranged along the second direction.

3. The camera module of claim 1, wherein, a side surface of the fixed assembly (1) close to the movable assembly (2) is provided with at least three sliding cavities (15), the camera module further comprises a plurality of balls (31), the balls (31) being arranged in the sliding cavities (15), and the balls (31) being capable of rolling on a side surface of the chip support (21) facing the fixed assembly (1).

4. The camera module of claim 3, wherein, a side surface of the fixed assembly (1) away from the lens (61) along the third direction is provided with a movable groove (121), the sliding cavities (15) being arranged on a bottom wall of the movable groove (121), and the movable assembly (2) being movably arranged in the movable groove (121).

5. The camera module of claim 4, wherein, a side surface of the chip support (21) facing the fixed assembly (1) is provided with a plurality of rolling cavities (211) opposite to the plurality of sliding cavities (15), the balls (31) being arranged in the rolling cavities (211), and the balls (31) being capable of moving in at least one of the rolling cavities (211) and the sliding cavities (15).

6. The camera module of claim 3, wherein, the fixed assembly (1) comprises: A first support (13); A second support (14) is connected with the first support (13) through a clamping connection, the second support (14) is arranged between the first support (13) and the movable assembly (2) along the first direction, and the sliding cavity (15) is arranged on a side surface of the second support (14) away from the first support (13).

7. The camera module of claim 1, wherein, A damping groove (212) is arranged on a side surface of the chip support (21) facing the fixed assembly (1), a damping gel (32) is arranged in the damping groove (212), a damping column (141) is arranged on a side of the fixed assembly (1) facing the movable assembly (2) and opposite to the damping groove (212), the damping column (141) is movably arranged in the damping groove (212) and abuts against the damping gel (32).

8. The camera module of claim 1, wherein, A containing groove (16) is arranged on a side surface of the fixed assembly (1) away from the movable assembly (2), the containing groove (16) penetrates through the fixed assembly (1), at least part of the lens (61) is arranged in the containing groove (16), a plurality of magnetic cavities (17) are arranged on a side wall of the containing groove (16), and the magnet (11) is arranged in the magnetic cavity (17).

9. The camera module of claim 8, wherein, The camera module further comprises: A focusing coil (4) is arranged in the containing groove (16) and surrounds the lens (61), and the focusing coil (4) is used in cooperation with the magnet (11) to drive the lens (61) to move along the first direction; A spring sheet (5) is fixed to the fixed assembly (1), and the spring sheet (5) is connected with the focusing coil (4) and the PCB (24) respectively.

10. The camera module of claim 9, wherein, A first metal member is injection molded in the chip support (21), and the anti-shake coil (22) and the sensing assembly (23) are in communication with the PCB (24) through the first metal member; And / or, a second metal member is injection molded in the fixed assembly (1), and the spring sheet (5) is in communication with the PCB (24) through the second metal member.

11. An electronic device, comprising: The camera module (100) according to any one of claims 1-10. The camera module (100) according to any one of claims 1-10.

Images