Base structure of anti-shake motor

Abstract

The utility model belongs to the technical field of optical imaging equipment, and particularly relates to a base structure of an anti-shake motor, which comprises a base and a circuit board arranged on the base. A base built-in circuit is arranged in the base, and the base built-in circuit is provided with a first welding spot exposed from the upper end of the base; a plurality of pins are arranged on the base, one end of each pin extends into the base and is connected with a built-in circuit of the base, and the other end of each pin extends out of the base; a plurality of coils are arranged in the circuit board, a second welding spot is arranged at the bottom end of the circuit board, and the second welding spot is opposite to the first welding spot and is in welding connection with the first welding spot. According to the utility model, the plurality of coils are directly arranged in the circuit board, the built-in circuit of the base is used for undertaking the electrical connection with an external circuit, the built-in circuit of the base supplies power to the coils in the circuit board through the welding connection of the first welding spot and the second welding spot, only pins of the whole base structure are exposed to the outside, the layout is simple, and the appearance is concise.

Description

Technical Field

[0001] The utility model belongs to the technical field of optical imaging equipment, and in particular relates to a base structure of an anti-shake motor. Background Art

[0002] With the continuous updating and improvement of mobile terminal products, functions are constantly evolving, and people's requirements for photo and video recording are also constantly increasing. Optical image stabilization motors have also come into being. They solve the problem of poor image quality caused by shaking during the photo shooting process.

[0003] Existing anti-shake motors generally include a base, a frame and a carrier. A frame is arranged above the base, and a carrier is arranged inside the frame. The carrier is used to install the lens. The frame drives the carrier to move in the X-axis and Y-axis directions on the base to realize the anti-shake operation of the lens. The carrier moves in the Z-axis direction relative to the frame to realize the focusing operation of the lens.

[0004] When achieving movement in the X-axis and Y-axis directions, coils and magnets are usually arranged relative to each other, and the two generate a force to make the magnets and the frame move in two directions. In the prior art, the coil is usually set on the base, and it is powered by the circuit board on the base. The circuit board also needs to be electrically connected to the external circuit to achieve power supply. Obviously, the existing layout and power supply of the coil are difficult, which restricts the structural simplicity design of the anti-shake motor. Utility Model Content

[0005] The utility model aims to solve the above technical problems and provides a base structure of an anti-shake motor.

[0006] A base structure of an anti-shake motor comprises a base and a circuit board, wherein the circuit board is arranged on the base;

[0007] A base built-in circuit is arranged in the base, and the base built-in circuit has a first welding point exposed from the upper end of the base;

[0008] The base is provided with a plurality of pins, one end of the pins extends into the base and is connected to the built-in circuit of the base, and the other end of the pins extends out of the base;

[0009] A plurality of coils are arranged in the circuit board, and a second soldering point is arranged at the bottom end of the circuit board. The second soldering point is arranged opposite to the first soldering point and is welded and connected to the first soldering point. The circuit board is connected to the built-in circuit of the base through the welding connection between the second soldering point and the first soldering point.

[0010] Optionally, the second soldering point is connected to the first soldering point by solder paste welding.

[0011] Optionally, the circuit board is an FPC board.

[0012] Optionally, the second solder joint is a bottom exposed structure exposed at the bottom of the circuit board, and the second solder joint is arranged at an edge position of the circuit board.

[0013] Optionally, the second solder joint is a double-sided exposed structure exposed at the bottom and side of the circuit board, and the second solder joint is arranged at an edge position of the circuit board.

[0014] Optionally, the second soldering point is a circular hole structure, and the second soldering point is arranged in the middle of a position away from an edge of the circuit board;

[0015] The first welding point is a convex column structure, and the convex column structure is plugged and welded to the circular hole structure.

[0016] Optionally, the circuit board is a split structure having a plurality of circuit sub-boards, each of the circuit sub-boards is provided with one or more of the coils, and each of the circuit sub-boards is provided with the second soldering point at the bottom end.

[0017] Optionally, the second solder joint is a bottom exposed structure exposed at the bottom of the circuit sub-board, and the second solder joint is arranged at an end corner position of the circuit sub-board.

[0018] Optionally, the second solder joint is a double-sided exposed structure exposed at the bottom and side of the circuit sub-board, and the second solder joint is arranged at an end corner position of the circuit sub-board.

[0019] Optionally, the second welding point is a side-exposed structure exposed on the side of the circuit sub-board, the second welding point extends from the circuit sub-board and has a bent structure bent downward, and the bent structure contacts and is welded to the first welding point.

[0020] Beneficial effects: The utility model has at least one or more of the following advantages:

[0021] 1. The utility model directly embeds a plurality of coils in the circuit board, and the built-in circuit of the base is used to bear the electrical connection with the external circuit. The built-in circuit of the base supplies power to the coil in the circuit board through the welding connection between the first welding point and the second welding point. Only the pins of the entire base structure are exposed to the outside world, and other structures are built-in or hidden between the base and the circuit board. The layout is simple and the appearance is concise.

[0022] 2. The utility model provides a variety of welding structures, which can be applied to welding needs in different scenarios and meet various welding operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] FIG1( a ) is a schematic structural diagram of Embodiment 1 of the present utility model;

[0024] FIG1( b ) is a schematic structural diagram of a base in Embodiment 1 of the present utility model;

[0025] FIG1( c ) is a schematic diagram of the structure of a circuit board in Embodiment 1 of the present utility model;

[0026] FIG1(d) is a schematic diagram of FIG1(c) from another angle;

[0027] FIG2( a) is a schematic structural diagram of Embodiment 2 of the present utility model;

[0028] FIG2( b ) is a schematic structural diagram of a base in Embodiment 2 of the present utility model;

[0029] FIG2( c ) is a schematic diagram of a structure of a circuit board in Embodiment 2 of the present utility model;

[0030] FIG2(d) is a schematic diagram of FIG2(c) from another angle;

[0031] FIG3( a) is a schematic structural diagram of Embodiment 3 of the present utility model;

[0032] FIG3( b ) is a schematic structural diagram of a base in Embodiment 3 of the present utility model;

[0033] FIG3( c ) is a schematic diagram of the structure of a circuit board in Embodiment 3 of the present utility model;

[0034] FIG3( d ) is a schematic diagram of FIG3( c ) from another angle;

[0035] FIG4( a) is a schematic structural diagram of embodiment 4 of the present utility model;

[0036] FIG4( b ) is a schematic structural diagram of a base in Embodiment 4 of the present utility model;

[0037] FIG4( c ) is a schematic diagram of a structure of a circuit board in Embodiment 4 of the present utility model;

[0038] FIG4(d) is a schematic diagram of FIG4(c) from another angle;

[0039] FIG5( a) is a schematic structural diagram of embodiment 5 of the present utility model;

[0040] FIG5( b ) is a schematic structural diagram of a base in Embodiment 5 of the present utility model;

[0041] FIG5( c ) is a schematic diagram of a structure of a circuit board in Embodiment 5 of the present utility model;

[0042] FIG6( a) is a schematic structural diagram of embodiment 6 of the present utility model;

[0043] FIG6( b ) is a schematic structural diagram of a base in Embodiment 6 of the present utility model;

[0044] FIG6( c ) is a schematic structural diagram of a circuit board in Embodiment 6 of the present utility model. DETAILED DESCRIPTION

[0045] The following will be combined with the accompanying drawings to describe the preferred embodiments of the present invention in detail, so as to more clearly understand the purpose, characteristics and advantages of the present invention. It should be understood that the embodiments shown in the accompanying drawings are not intended to limit the scope of the present invention, but are only intended to illustrate the essential spirit of the technical solution of the present invention.

[0046] In the following description, certain specific details are set forth for the purpose of illustrating the various disclosed embodiments to provide a thorough understanding of the various disclosed embodiments. However, those skilled in the relevant art will recognize that the embodiments may be practiced without one or more of these specific details. In other cases, well-known devices, structures, and techniques associated with the present application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

[0047] References throughout the specification to "one embodiment" or "an embodiment" indicate that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of "in one embodiment" or "in an embodiment" in various places throughout the specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any manner in one or more embodiments.

[0048] In the following description, in order to clearly demonstrate the structure and working mode of the utility model, many directional words will be used for description, but the words "front", "back", "left", "right", "outside", "inside", "outward", "inward", "up", "down", etc. should be understood as convenient terms and should not be understood as restrictive terms.

[0049] The utility model discloses a base structure of an anti-shake motor. The base structure comprises a base and a circuit board. The circuit board is arranged on the base.

[0050] The base is provided with a base built-in circuit, and the base built-in circuit has a first solder joint exposed from the upper end of the base. The base is provided with a plurality of pins, one end of the pins extends into the base to connect with the base built-in circuit, and the other end of the pins extends out of the base, so that the base built-in circuit is electrically connected to the external circuit through the pins.

[0051] Several coils are arranged inside the circuit board. The coils are OIS coils, which are used to cooperate with the magnets at the bottom of the frame structure to drive the frame and the carrier to drive the lens to perform anti-shake action. The number of coils can be set according to actual driving needs. The coils and the magnets are arranged opposite to each other. The position of the coils can be determined according to the actual driving needs and the position of the magnets at the bottom of the frame.

[0052] A second welding point is arranged at the bottom end of the circuit board. The second welding point is arranged opposite to the first welding point and is welded to the first welding point. The circuit board is connected to the built-in circuit of the base through the welding connection between the second welding point and the first welding point, so as to transmit the current of the built-in circuit of the base to the coil in the circuit board.

[0053] In one embodiment, the second solder joint is connected to the first solder joint by soldering with solder paste.

[0054] In one embodiment, the circuit board is an FPC board.

[0055] The utility model provides the following welding structures:

[0056] Example 1, reference Figure 1(a) to Figure 1(d) :

[0057] A circuit board 12 is disposed on the base 11 . The circuit board 12 is an integral structure, that is, a whole circuit board 12 is disposed on the base 11 .

[0058] The first solder joint 13 is an upper exposed structure exposed at the upper end of the base 11 . The setting position of the first solder joint 13 on the base 11 is determined by the position of the second solder joint 14 to ensure that the first solder joint 13 and the second solder joint 14 are welded and connected and the circuit board 12 is located above the base 11 .

[0059] The second solder joint 14 is a bottom exposed structure exposed at the bottom of the circuit board 12 . The second solder joint 14 is disposed at an edge position of the circuit board 12 .

[0060] In this embodiment, when the first solder joint 13 and the second solder joint 14 are connected by soldering, the solder paste applied on the first solder joint 13 is melted and then the second solder joint 14 is attached thereto. After the solder paste solidifies, the soldering operation is completed.

[0061] In the present embodiment, the number of the first welding spots 13 and the number of the second welding spots 14 are the same, and the number can be set to a number as required.

[0062] Example 2, reference Figure 2(a) to Figure 2(d) :

[0063] A circuit board is arranged on the base 21, and the circuit board is a split structure, and the circuit board has a plurality of circuit sub-boards 22. As shown in FIG2(a), the circuit sub-board 22 structure only shows one circuit sub-board 22, and two circuit sub-boards 22 constitute a circuit board of a split structure. Of course, three, four or more circuit sub-boards 22 can also be arranged to constitute a circuit board according to actual conditions. One or more coils are arranged in each circuit sub-board 22, and a second solder joint 24 is arranged at the bottom end of each circuit sub-board 22.

[0064] The first solder joint 23 is an upper exposed structure exposed at the upper end of the base 21 . The setting position of the first solder joint 23 on the base 21 is determined by the position of the second solder joint 24 to ensure that the first solder joint 23 and the second solder joint 24 are welded and connected and the circuit board is located above the base 21 .

[0065] The second solder joint 24 is a bottom exposed structure exposed at the bottom of the circuit sub-board 22 . The second solder joint 24 is disposed at an end corner of the circuit sub-board 22 .

[0066] In this embodiment, when the first solder joint 23 and the second solder joint 24 are connected by soldering, the solder paste applied on the first solder joint 23 is melted and then the second solder joint 24 is attached thereto. After the solder paste solidifies, the soldering operation is completed.

[0067] In this embodiment, the number of the first soldering points 23 can be determined according to the number of the circuit sub-boards 22. The second soldering points 24 on two adjacent circuit sub-boards 22 can be connected to the same first soldering point 23 by soldering.

[0068] Example 3, reference Figure 3(a) to Figure 3(d) :

[0069] A circuit board 32 is disposed on the base 31 . The circuit board 32 is an integral structure, that is, a whole circuit board 32 is disposed on the base 31 .

[0070] The first solder joint 33 is an upper exposed structure exposed at the upper end of the base 31 . The setting position of the first solder joint 33 on the base 31 is determined by the position of the second solder joint 34 to ensure that the first solder joint 33 and the second solder joint 34 are welded and connected and the circuit board 32 is located above the base 31 .

[0071] The second solder joint 34 is a double-side exposed structure exposed at the bottom and side of the circuit board 32 . The second solder joint 34 is disposed at an edge of the circuit board 32 .

[0072] In this embodiment, when the first welding spot 33 and the second welding spot 34 are connected by welding, the welding operation can be performed directly on the first welding spot 33 and the second welding spot 34 at the exposed position of the side of the second welding spot 34 .

[0073] In the present embodiment, the number of the first welding points 33 and the number of the second welding points 34 are the same, and the number can be set to a number as required.

[0074] Example 4, reference Figure 4(a) to Figure 4(d) :

[0075] A circuit board is arranged on the base 41, and the circuit board is a split structure, and the circuit board has a plurality of circuit sub-boards 42. As shown in FIG4(a), the circuit sub-board 42 structure only shows one circuit sub-board 42, and two circuit sub-boards 42 constitute a circuit board of a split structure. Of course, three, four or more circuit sub-boards 42 can also be arranged to constitute a circuit board according to actual conditions. One or more coils are arranged in each circuit sub-board 42, and a second solder joint 44 is arranged at the bottom end of each circuit sub-board 42.

[0076] The first solder joint 43 is an upper exposed structure exposed at the upper end of the base 41 . The setting position of the first solder joint 43 on the base 41 is determined by the position of the second solder joint 44 to ensure that the first solder joint 43 and the second solder joint 44 are welded and connected and the circuit board is located above the base 41 .

[0077] The second solder joint 44 is a double-side exposed structure exposed at the bottom and side of the circuit sub-board 42 . The second solder joint 44 is disposed at an end corner of the circuit sub-board 42 .

[0078] In this embodiment, when the first welding spot 43 and the second welding spot 44 are connected by welding, the welding operation can be performed directly on the first welding spot 43 and the second welding spot 44 at the exposed position of the side of the second welding spot 44 .

[0079] In this embodiment, the number of the first welding points 43 can be determined according to the number of the circuit sub-boards 42. The second welding points 44 on two adjacent circuit sub-boards 42 can be welded together to the same first welding point 43.

[0080] Example 5, reference Figure 5(a) to Figure 5(c) :

[0081] A circuit board 52 is disposed on the base 51 . The circuit board 52 is an integral structure, that is, a whole circuit board 52 is disposed on the base 51 .

[0082] The first soldering point 53 is a convex column structure, and the setting position of the first soldering point 53 on the base 51 is determined by the position of the second soldering point 54 to ensure that the first soldering point 53 and the second soldering point 54 are soldered and connected and the circuit board 52 is located above the base 51 .

[0083] The second soldering point 54 is a round hole structure. The second soldering point 54 is disposed in the middle portion away from the edge of the circuit board 52 . The second soldering point 54 is plugged into and connected to the first soldering point 53 by welding.

[0084] In this embodiment, when the first welding spot 53 and the second welding spot 54 are welded, assembly is first performed, the first welding spot 53 is inserted into the circular hole structure, and then the welding operation is performed. The assembly method of this embodiment can quickly locate and the welding operation is faster.

[0085] Example 6, reference Figure 6(a) to Figure 6(c) :

[0086] A circuit board is arranged on the base 61, and the circuit board is a split structure, and the circuit board has a plurality of circuit sub-boards 62. As shown in FIG6(a) , the circuit sub-board 62 structure only shows one circuit sub-board 62, and two circuit sub-boards 62 constitute a circuit board of a split structure. Of course, three, four or more circuit sub-boards 62 can also be arranged to constitute a circuit board according to actual conditions. One or more coils are arranged in each circuit sub-board 62, and a second solder joint 64 is arranged at the bottom end of each circuit sub-board 62.

[0087] The first solder joint 63 is an upper exposed structure exposed at the upper end of the base 61 . The setting position of the first solder joint 63 on the base 61 is determined by the position of the second solder joint 64 to ensure that the first solder joint 63 and the second solder joint 64 are welded and connected and the circuit board is located above the base 61 .

[0088] The second solder joint 64 is a side exposed structure exposed at the side of the circuit sub-board 62 . The second solder joint 64 extends from the circuit sub-board 62 and has a bent structure bent downward. The bent structure contacts and is welded to the first solder joint 63 .

[0089] In this embodiment, when the first welding point 63 and the second welding point 64 are connected by welding, the bending structure is brought into contact with the first welding point 63 and directly welded.

[0090] In this embodiment, the number of the first welding points 63 can be determined according to the number of the circuit sub-boards 62. The second welding points 64 on two adjacent circuit sub-boards 62 can be welded to the same first welding point 63.

[0091] The preferred embodiments of the present invention have been described in detail above, but it should be understood that after reading the above teachings of the present invention, those skilled in the art may make various changes or modifications to the present invention. These equivalent forms also fall within the scope defined by the claims attached to this application.

Claims

1. A base structure of an anti-shake motor, comprising a base and a circuit board, wherein the circuit board is arranged on the base; It is characterized in that A base built-in circuit is arranged in the base, and the base built-in circuit has a first welding point exposed from the upper end of the base; The base is provided with a plurality of pins, one end of the pins extends into the base and is connected to the built-in circuit of the base, and the other end of the pins extends out of the base; A plurality of coils are arranged in the circuit board, and a second soldering point is arranged at the bottom end of the circuit board. The second soldering point is arranged opposite to the first soldering point and is welded and connected to the first soldering point. The circuit board is connected to the built-in circuit of the base through the welding connection between the second soldering point and the first soldering point.

2. The base structure of the anti-shake motor according to claim 1, characterized in that: The second soldering point is connected to the first soldering point by soldering with solder paste.

3. The base structure of the anti-shake motor according to claim 1, characterized in that: The circuit board is an FPC board.

4. The base structure of the anti-shake motor according to claim 1, 2 or 3, characterized in that: The second soldering point is a bottom exposed structure exposed at the bottom of the circuit board, and the second soldering point is arranged at an edge position of the circuit board.

5. The base structure of the anti-shake motor according to claim 1, 2 or 3, characterized in that: The second solder joint is a double-side exposed structure exposed at the bottom and side of the circuit board, and the second solder joint is arranged at an edge position of the circuit board.

6. The base structure of the anti-shake motor according to claim 1, 2 or 3, characterized in that: The second soldering point is a round hole structure, and the second soldering point is arranged in the middle of a position away from the edge of the circuit board; The first welding point is a convex column structure, and the convex column structure is plugged and welded to the circular hole structure.

7. The base structure of the anti-shake motor according to claim 1, 2 or 3, characterized in that: The circuit board is a split structure with a plurality of circuit sub-boards, each of the circuit sub-boards is provided with one or more coils, and the bottom end of each of the circuit sub-boards is provided with the second soldering point.

8. The base structure of the anti-shake motor according to claim 7, characterized in that: The second soldering point is a bottom exposed structure exposed at the bottom of the circuit sub-board, and the second soldering point is arranged at an end corner position of the circuit sub-board.

9. The base structure of the anti-shake motor according to claim 7, characterized in that: The second solder joint is a double-side exposed structure exposed at the bottom and side of the circuit sub-board, and the second solder joint is arranged at the end corner position of the circuit sub-board.

10. The base structure of the anti-shake motor according to claim 7, characterized in that: The second welding point is a side exposed structure exposed at the side of the circuit sub-board. The second welding point extends from the circuit sub-board and has a bent structure bent downward. The bent structure contacts and is welded to the first welding point.

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