Vibration device and electronic device

Abstract

The application discloses a kind of vibrating device and electronic equipment, it is related to vibrating device technical field, the vibrating device includes at least one vibrating module, stator assembly is spaced apart with first magnet and second magnet along first direction, and arc magnetic conducting plate is equipped between first magnet and second magnet;Rotary assembly includes coil, the rotation axis of rotary assembly is concentric with the center of arc magnetic conducting plate, and coil is located between first magnet and second magnet and is arranged around arc magnetic conducting plate;Spring sheet for making rotary assembly reset is equipped between stator assembly and rotary assembly, and the deformation part of spring sheet is attached with FPC, FPC has first end and second end, first end is equipped with the first pad of electrically connected coil, and second end is equipped with the second pad of electrically connected external circuit;Impact structure is equipped on rotary assembly, and brake part is arranged in the rotation path of rotary assembly.The application can ensure that the electric connection on FPC maintains effective.

Description

Technical Field

[0001] This invention relates to the field of vibration device technology, and in particular to a vibration device and electronic equipment. Background Technology

[0002] Traditional vibration devices generate the illusion of a force "as if it were moving in a certain direction" by continuously producing asymmetrical vibrations; this type of vibration is also known as anisotropic vibration. Currently, there are two methods to achieve this sense of force: one is to input an asymmetrical signal into a linear resonator and use human senses to create an illusion; the other is to generate a sense of force by rotating a biased rotating component and then rapidly braking it. However, in existing anisotropic vibration devices, when the rotating component includes a coil and the FPC is connected to the rotating component, the rotating component will drive the FPC to move, which can easily cause the FPC's electrical connection to fail, affecting the normal operation of the vibration device. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a vibration device and electronic device that can ensure the effective maintenance of electrical connections on an FPC.

[0004] To solve the above-mentioned technical problems, the present invention provides the following technical solution:

[0005] On one hand, embodiments of the present invention provide a vibration device, including at least one vibration module, the vibration module comprising:

[0006] Stator assembly, rotating assembly and braking unit;

[0007] The stator assembly is provided with a first magnet and a second magnet spaced apart along a first direction, and an arc-shaped magnetic guide plate is provided between the first magnet and the second magnet;

[0008] The rotating assembly includes a coil, and the rotating shaft of the rotating assembly is concentric with the center of the arc-shaped magnetic plate. The coil is located between the first magnet and the second magnet and surrounds the arc-shaped magnetic plate.

[0009] A spring sheet for resetting the rotating assembly is provided between the stator assembly and the rotating assembly. An FPC is attached to the deformed portion of the spring sheet. The FPC has a first end and a second end. The first end has a first pad that is electrically connected to the coil, and the second end has a second pad that is electrically connected to an external circuit.

[0010] The rotating assembly is provided with an impact structure, and the braking part is located in the rotation path of the rotating assembly. The rotating assembly can be rotated to the position of the braking part so that the impact structure impacts the braking part to generate a force.

[0011] In some embodiments of the present invention, the spring sheet is a spiral spring, the spiral spring including a winding portion, an inner fixing portion connected to the inner side of the winding portion and an outer fixing portion connected to the outer side of the winding portion, the inner fixing portion being fixed to the stator assembly and the outer fixing portion being fixed to the rotating assembly.

[0012] In some embodiments of the present invention, the vibration module further includes a housing, the FPC includes a first extension near the first end, a second extension near the second end, and an S-segment located between the first extension and the second extension. The first extension is fixed to the rotating assembly, the second extension is fixed to the housing, and the bending portion of the two curved portions of the S-segment near the first extension is at least partially attached to the winding portion, while the bending portion of the two curved portions of the S-segment near the second extension is suspended.

[0013] In some embodiments of the present invention, the inner fixing part is fixed to the stator assembly by a fixing block, the fixing block is concentrically arranged with the rotating shaft, and the fixing block is provided with a insertion groove for accommodating the inner fixing part;

[0014] And / or, the rotating assembly further includes a mass block located on the side of the coil away from the rotating shaft, and the outer fixing portion and the first extension are both fixed to the mass block.

[0015] In some embodiments of the present invention, the second extension is attached to the inner surface of the side wall of the housing;

[0016] Alternatively, the second extension includes an extension portion and a bent portion connected to the extension portion, the extension portion being attached to the inner surface of the side wall of the housing, the bent portion extending out of the housing and being attached to the outer surface of the side wall of the housing, and the second pad being disposed on the bent portion.

[0017] In some embodiments of the present invention, a first magnetic yoke is provided on the side of the first magnet away from the arc-shaped magnetic guide plate, and the first magnet is fixed to the first magnetic yoke; a second magnetic yoke is provided on the side of the second magnet away from the arc-shaped magnetic guide plate, and the second magnet is fixed to the second magnetic yoke; the rotating shaft of the rotating assembly is rotatably connected to the first magnetic yoke and the second magnetic yoke.

[0018] In some embodiments of the present invention, the rotating assembly further includes a coil support, the coil being disposed on the coil support, and the coil support being a non-magnetic structure, wherein:

[0019] The coil support is connected to the impact structure;

[0020] Alternatively, the coil support and the impact structure can be designed as a single unit.

[0021] In some embodiments of the present invention, the coil support includes a connecting plate and two clamping plates, the rotating shaft is connected to the connecting plate, the two ends of the connecting plate are connected to the two clamping plates, and the coil is disposed between the two clamping plates.

[0022] In some embodiments of the present invention, both the first magnet and the second magnet are magnetized along the first direction but in opposite directions.

[0023] And / or, both the first magnet and the second magnet are arc-shaped and concentrically arranged with the center of the arc-shaped magnetic guide plate;

[0024] And / or, at least one of the two surfaces of the braking part and the impact structure that collide with each other is provided with a buffer;

[0025] And / or, the adjacent side walls of the housing form the braking portion.

[0026] On the other hand, embodiments of the present invention provide an electronic device including the above-described vibration device.

[0027] The present invention has the following beneficial effects:

[0028] The vibration device and electronic device of this invention include at least one vibration module. A stator assembly has a first magnet and a second magnet spaced apart along a first direction, with an arc-shaped magnetic guide plate between them. The magnetic field generated by the first and second magnets is directionally conducted along the arc-shaped magnetic guide plate. A rotating assembly includes a coil, with its axis of rotation concentric with the center of the arc-shaped magnetic guide plate. The coil is located between the first and second magnets and surrounds the arc-shaped magnetic guide plate. Compared to traditional open magnetic circuits, this invention, by using the first and second magnets and the coil surrounding the arc-shaped magnetic guide plate, reduces energy loss due to magnetic field leakage, maximizes the coil's cutting of magnetic field lines, and generates a larger rotational torque under the same current. Therefore, in... While maintaining a constant current, the increased torque of the rotating component enhances the overall vibration force of the vibration module. A spring plate is provided between the stator assembly and the rotating assembly to reset the rotating assembly. The spring plate enhances the reset force of the rotating assembly, further increasing its torque and improving the overall vibration force of the vibration module. An FPC is attached to the deformable portion of the spring plate. The FPC has a first end and a second end. The first end has a first pad for electrically connecting to the coil, and the second end has a second pad for electrically connecting to the external circuit. Compared with the prior art, in this invention, the FPC is attached to the deformable portion of the spring plate. When the rotating assembly rotates, the FPC basically does not rotate with the rotating assembly, thus ensuring that the electrical connection on the FPC remains effective and does not affect the normal operation of the vibration device. Attached Figure Description

[0029] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0030] Figure 1a This is a front view of the vibration device according to an embodiment of the present invention;

[0031] Figure 1b This is a three-dimensional structural diagram of the vibration device according to an embodiment of the present invention;

[0032] Figure 2 This is an exploded view of the vibration module in an embodiment of the present invention;

[0033] Figure 3 This is a schematic diagram of the magnetization direction and current direction of the vibration module in an embodiment of the present invention;

[0034] Figure 4a This is a top view of the vibration module in an embodiment of the present invention;

[0035] Figure 4b This is a top view of the vibration module after the spiral spring has been removed in an embodiment of the present invention.

[0036] Figure 4c This is a cross-sectional view of the vibration module in an embodiment of the present invention;

[0037] Figure 5a This is a three-dimensional structural diagram of the vibration module after the upper shell is hidden in an embodiment of the present invention;

[0038] Figure 5b This is a top view of the vibration module after the upper shell is hidden in an embodiment of the present invention;

[0039] Figure 6a This is a diagram showing the working state of the vibration device according to an embodiment of the present invention;

[0040] Figure 6b The working state of the vibration device in this embodiment of the invention. Figure 2 ;

[0041] Figure 6c The working state of the vibration device in this embodiment of the invention. Figure 3 .

[0042] Figure label:

[0043] 100. Vibration device; 101. Vibration module.

[0044] 1. Stator assembly; 11. First magnet; 12. Second magnet; 13. Arc-shaped magnetic guide plate; 14. First yoke; 141. Bearing mounting hole; 142. Fixing block receiving hole; 15. Second yoke; 16. Bearing.

[0045] 2. Rotating assembly; 21. Coil; 22. Shaft; 23. Coil bracket; 231. Connecting plate; 232. Clamping plate; 24. Mass block.

[0046] 3. Buffer components,

[0047] 4. Spiral spring; 41. Inner fixing part; 42. Outer fixing part; 43. Winding part.

[0048] 5. Fixing block; 51. Insertion groove; 52. Bearing receiving hole.

[0049] 6. Outer shell; 60. Through hole; 61. First shell; 611. Top wall; 612. First side wall; 62. Second shell; 621. Bottom wall; 622. Second side wall.

[0050] 7. FPC, 71. First pad, 72. Second pad, 73. First extension, 74. Second extension, 741. Extension, 742. Bending section, 75. S-segment

[0051] A. Magnetization direction, B. Current direction, F. Impact force of the rotating component. Detailed Implementation

[0052] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0053] On one hand, embodiments of the present invention provide a vibration device 100, such as... Figures 1a to 6c As shown, it includes at least one vibration module 101, which includes a stator assembly 1, a rotating assembly 2, and a braking unit, wherein:

[0054] The stator assembly 1 is provided with a first magnet 11 and a second magnet 12 spaced apart along a first direction, and an arc-shaped magnetic guide plate 13 is provided between the first magnet 11 and the second magnet 12; the rotating assembly 2 includes a coil 21, the rotating shaft 22 of the rotating assembly 2 is concentrically arranged with the center of the arc-shaped magnetic guide plate 13, the coil 21 is located between the first magnet 11 and the second magnet 12 and surrounds the arc-shaped magnetic guide plate 13 (it can be understood that the coil 21 only surrounds the arc-shaped magnetic guide plate 13 but is not fixed to the arc-shaped magnetic guide plate 13); a spring plate for resetting the rotating assembly 2 is provided between the stator assembly 1 and the rotating assembly 2, and an FPC 7 is attached to the deformed part of the spring plate. The FPC 7 has a first end and a second end. The first end has a first pad 71 electrically connected to the coil 21, and the second end has a second pad 72 electrically connected to an external circuit; the rotating assembly 2 is provided with an impact structure, and a braking part is provided in the rotation path of the rotating assembly 2. The rotating assembly 2 can rotate to the position of the braking part so that the impact structure impacts the braking part to generate a force.

[0055] When in operation, the coil 21 generates a magnetic field when energized. This magnetic field interacts with the constant magnetic fields of the first magnet 11 and the second magnet 12. The constant magnetic fields generated by the first magnet 11 and the second magnet 12 then apply an Ampere force to the coil 21, thereby driving the rotating assembly 2 to rotate. When the driving electrical signal of the coil 21 is an alternating signal (current with a periodically changing direction), the direction of the magnetic field lines of the magnetic field generated by the coil 21 changes periodically, causing the direction of the interacting magnetic force to change periodically as well. This changes the rotation direction of the rotating assembly 2, causing it to rotate reciprocally so that the impact structure periodically impacts the braking part, generating a periodic vibration force.

[0056] The vibration device 100 of this embodiment includes at least one vibration module 101. A stator assembly 1 is provided with a first magnet 11 and a second magnet 12 spaced apart along a first direction. An arc-shaped magnetic guide plate 13 is provided between the first magnet 11 and the second magnet 12, so that the magnetic field generated by the first magnet 11 and the second magnet 12 is directionally conducted along the arc-shaped magnetic guide plate 13. The rotating assembly 2 includes a coil 21. The rotating shaft 22 of the rotating assembly 2 is concentrically arranged with the center of the arc-shaped magnetic guide plate 13. The coil 21 is located between the first magnet 11 and the second magnet 12 and surrounds the arc-shaped magnetic guide plate 13. Compared with a traditional open magnetic circuit, this invention, by setting the first magnet 11... The iron 11 and the second magnet 12, and the coil 21 are arranged around the arc-shaped magnetic guide plate 13. This reduces energy loss caused by magnetic field leakage, allows the coil 21 to cut magnetic field lines to the maximum extent, and generates a larger rotational torque under the same current. Therefore, the torque of the rotating component 2 is increased while the current remains constant, and the overall vibration force of the vibration module 101 is improved. A spring plate is provided between the stator component 1 and the rotating component 2 to reset the rotating component 2. The spring plate can enhance the reset force of the rotating component 2, further enhance the torque of the rotating component 2, and improve the overall vibration force of the vibration module 101. An FPC 7 is attached to the deformable part of the spring plate. The FPC 7 has a first end and a second end. The first end has a first pad 71 that is electrically connected to the coil 21, and the second end has a second pad 72 that is electrically connected to the external circuit. Compared with the prior art, in this invention, the FPC 7 is attached to the deformable part of the spring plate. When the rotating component 2 rotates, the FPC 7 basically does not rotate with the rotating component 2. Therefore, it can ensure that the electrical connection on the FPC 7 remains effective and will not affect the normal operation of the vibration device 100.

[0057] In some embodiments of the present invention, such as Figure 2 , Figures 4a to 5b As shown, the spring sheet is a spiral spring 4, which includes a winding portion 43, an inner fixing portion 41 connected to the inner side of the winding portion 43, and an outer fixing portion 42 connected to the outer side of the winding portion 43. The inner fixing portion 41 is fixed to the stator assembly 1, and the outer fixing portion 42 is fixed to the rotating assembly 2. In this way, the spiral spring 4 can not only use its spiral shape (winding portion 43) to avoid excessive stress on the spring sheet when the rotating assembly 2 swings at a large angle, thus ensuring the service life of the spring, but also stop the rotating assembly 2 in a fixed position (initial position), achieve resonance through a suitable driving frequency, increase the torque of the rotating assembly 2, and thus improve the overall vibration of the vibration module 101.

[0058] In some embodiments of the present invention, the vibration module 101 may further include a housing 6, and the FPC 7 includes a first extension 73 near the first end, a second extension 74 near the second end, and an S-segment 75 located between the first extension 73 and the second extension 74. The first extension 73 is fixed to the rotating assembly 2, the second extension 74 is fixed to the housing 6, and the bending portion of the two curved portions of the S-segment 75 near the first extension 73 is at least partially attached to the winding portion 43, while the bending portion of the two curved portions of the S-segment 75 near the second extension 74 is suspended. Thus, the first extension 73 is fixed to the rotating assembly 2 and swings synchronously with the assembly to adapt to changes in different angles while maintaining the continuity of the electrical connection. The second extension 74 is fixed to the housing 6, providing a stable external circuit interface. The bend of the two curved portions of the S-section 75 that is closer to the first extension 73 is at least partially attached to the winding portion 43, which helps to reduce the tensile stress on the FPC 7 during the rotation of the rotating assembly 2 and provides additional support. The bend of the two curved portions of the S-section 75 that is closer to the second extension 74 is suspended, providing the necessary elastic deformation space for the FPC 7 and preventing the electrical connection from being affected by excessive stretching or compression. Therefore, in this embodiment, the FPC 7 can maintain the continuity / effectiveness of the electrical connection without affecting the normal operation of the vibration module 101.

[0059] In some embodiments of the present invention, the inner fixing part 41 of the spiral spring 4 can be fixed to the stator assembly 1 by a fixing block 5. The fixing block 5 is concentrically arranged with the rotating shaft 22, and the fixing block 5 is provided with a insertion groove 51 for accommodating the inner fixing part 41. During installation, the outer fixing part 42 of the spiral spring 4 is temporarily placed on the rotating assembly 2 (specifically the mass block 24 in the embodiment shown in the figure) at a preset initial position. Then, the rotation position / angle of the insertion groove 51 on the fixing block 5 is adjusted according to the angle of the inner fixing part 41 of the spiral spring 4. After that, the fixing block 5 is fixed to the stator assembly 1 (specifically the location where the first magnetic yoke 14 is installed on the rotating shaft 22 in the embodiment shown in the figure). Finally, the outer fixing part 42 and the inner fixing part 41 of the spiral spring 4 are respectively fixed to the insertion groove 51 of the mass block 24 and the fixing block 5. At this time, the spiral spring 4 is in a natural state without force. Thus, the rotatable and adjustable fixing block 5 absorbs the circumferential tolerances caused by the machining at the beginning and end of the spiral spring 4, thereby ensuring that the two ends of the spiral spring 4 (inner fixing part 41 and outer fixing part 42) are correctly assembled. The fixing block 5 can be of various shapes such as square or circular, and the present invention is not limited to this. In the embodiment shown in the figure, the fixing block 5 is circular.

[0060] In specific implementation, to improve the installation firmness of the fixing block 5, the first magnetic yoke 14 is also provided with a fixing block receiving hole 142 at the bearing mounting hole 141. The inner ring of the bearing 16 is connected to the rotating shaft 22 of the rotating assembly 2, the lower part of the outer ring of the bearing 16 is fixedly connected to the bearing mounting hole 141, and the upper part of the outer ring of the bearing 16 protrudes from the fixing block receiving hole 142. The lower end face of the fixing block 5 is provided with a bearing receiving hole 52. During installation, the fixing block 5 is placed in the fixing block receiving hole 142, and the inner side wall of the bearing receiving hole 52 is fixedly connected to the upper part of the outer ring of the bearing 16 by means of adhesive or welding, and the lower end face of the fixing block 5 is fixedly connected to the bottom wall of the fixing block receiving hole 142. In this way, the fixing block 5 is fixed to the stator assembly 1 (i.e., at the mounting shaft 22 of the first magnetic yoke 14), and is simultaneously fixedly connected to the outer ring of the bearing 16 and the first magnetic yoke 14. The structure is compact, the overall volume is reduced, and the firmness is good.

[0061] In some embodiments of the present invention, such as Figures 5a to 5b As shown, the rotating assembly 2 may include a mass block 24 (which may be made of a heavy metal such as tungsten). The mass block 24 is located on the side of the coil 21 away from the rotating shaft 22. The outer fixing part 42 and the first extension 73 are both fixed to the mass block 24. In specific implementation, the first extension 73 may be attached only to the mass block 24, or it may be attached to the outer fixing part 42 first and then extended to the mass block 24 (that is, the first extension 73 may be Z-shaped as shown in the figure). In this way, the mass block 24 is located on the side of the coil 21 away from the rotating shaft 22, which increases the mass of the rotating assembly 2 and the inertia of the rotational motion, increases the impact force, and makes the center of gravity of the rotating assembly 2 biased away from the rotating shaft 22, making the rotating assembly 2 easier to drive. The inner fixing part 41 of the spiral spring 4 is fixed to the stator assembly 1, and the outer fixing part 42 is fixed to the mass block 24. After resonance is achieved through a suitable driving frequency, the torque of the rotating assembly 2 is further increased, increasing the impact force.

[0062] In some embodiments of the present invention, the second extension segment 74 can be attached to the inner surface of the side wall of the housing 6; or, as shown in the embodiment, the second extension segment 74 includes an extension portion 741 and a bent portion 742 connected to the extension portion 741. The extension portion 741 is attached to the inner surface of the side wall of the housing 6, and the bent portion 742 protrudes through (specifically through the through hole 60 shown in the figure) the housing 6 and is attached to the outer surface of the side wall of the housing 6. The second pad 72 is provided on the bent portion 742. This facilitates the connection of the second pad 72 to external circuits, makes it more convenient to use, and improves the fixing firmness of the FPC 7.

[0063] In some embodiments of the present invention, such as Figures 2 to 4cAs shown, a first magnetic yoke 14 can be provided on the side of the first magnet 11 away from the arc-shaped magnetic guide plate 13, and the first magnet 11 is fixed to the first magnetic yoke 14; a second magnetic yoke 15 is provided on the side of the second magnet 12 away from the arc-shaped magnetic guide plate 13, and the second magnet 12 is fixed to the second magnetic yoke 15. Both ends of the arc-shaped magnetic guide plate 13 are connected to the first magnetic yoke 14 and the second magnetic yoke 15. The rotating shaft 22 of the rotating assembly 2 is rotatably connected to the first magnetic yoke 14 and the second magnetic yoke 15. In a specific implementation, the rotating shaft 22 of the rotating assembly 2 can be connected to the first magnetic yoke 14 and the second magnetic yoke 15 through a bearing 16. The reference numeral 141 in the figure is the bearing mounting hole. The first magnet 11 can be fixed to the first magnetic yoke 14 by adhesive bonding, and the second magnet 12 can be fixed to the second magnetic yoke 15 by adhesive bonding. In this way, the installation and fixation of the first magnet 11 and the second magnet 12 are well achieved. At the same time, both ends of the arc-shaped magnetic guide plate 13 are connected to the first magnetic yoke 14 and the second magnetic yoke 15 (connected by magnetic connectors, specifically using conventional technology in the field). Under the action of the arc-shaped magnetic guide plate 13 and the first magnetic yoke 14, the magnetic field that the first magnet 11 might have diffused outward is constrained between the two, reducing magnetic leakage and enhancing the magnetic field. Similarly, the magnetic field between the arc-shaped magnetic guide plate 13 and the second magnetic yoke 15 is also enhanced, further enhancing the driving force on the coil 21, thereby enhancing the torque of the coil 21 and the overall vibration force of the vibration module 101.

[0064] In some embodiments of the present invention, such as Figure 2 As shown, the rotating assembly 2 may also include a coil support 23, with the coil 21 mounted on the coil support 23. The coil support 23 is a non-magnetic structure. The coil support 23 is made of a non-magnetic material, such as wood, plastic, ceramic, rubber, stainless steel, copper, aluminum, titanium, etc., and is not limited here. By using a non-magnetic material to make the coil support 23, the coil support 23 is not subjected to the magnetic force of the constant magnetic field generated by the first magnet 11 and the second magnet 12. There is no static magnetic torque between the rotating assembly 2 and the stator assembly 1. The stator assembly 1 only applies a magnetic force to the rotating assembly 2 when the coil 21 is energized. With this configuration, when the current in the coil 21 remains constant, the rotational force applied to the rotating assembly 2 remains constant, and the rotating assembly 2 can rotate continuously with a constant torque. It is easy to increase the current or select a stronger first magnet 11 and a stronger second magnet 12 to drive the rotating assembly 2 to rotate at a higher speed, thereby generating a strong and clear force when impacting the braking part.

[0065] Therefore, it is understood that in the technical solution of this application, the vibration module 101 includes a cooperating stator assembly 1 and a rotating assembly 2. The stator assembly 1 and the rotating assembly 2 are driven to rotate by the principle of electromagnetic induction and Ampere force. A first magnet 11 and a second magnet 12 are provided on the stator assembly 1. The rotating assembly 2 includes a coil support 23 and a coil 21 fixed on the coil support 23. The coil 21 is located in the constant magnetic field of the first magnet 11 and the second magnet 12. With this arrangement, when the coil 21 is energized, the constant magnetic field generated by the first magnet 11 and the second magnet 12 will apply an Ampere force to the coil 21, thereby driving the rotating assembly 2 to rotate. When the rotating assembly 2 rotates to its limit position, it will collide with the braking part provided on the stator assembly 1 to achieve asymmetrical vibration and generate a linear force. In this case, an alternating current with a continuously changing current direction can be input into the coil 21 to generate a changing magnetic field and drive the rotating assembly 2 to rotate back and forth to repeatedly strike the braking part. At the same time, the coil support 23 of the rotating component 2 is a non-magnetic structure. The coil support 23 will not be affected by the magnetic force generated by the first magnet 11 and the second magnet 12. The rotating component 2 will not be affected by the static magnetic torque. At this time, the driving force of the rotating component 2 is only the Ampere force on the coil 21. When the current in the coil 21 remains constant, the rotational force applied to the rotating component 2 remains constant. The rotating component 2 can rotate continuously with a constant torque. It is easy to drive the rotating component 2 to rotate at a higher speed by increasing the current or selecting the first magnet 11 and the second magnet 12 with stronger magnetic force, thereby generating a strong and clear force when impacting the braking part.

[0066] Furthermore, the vibration device 100 may be provided with two or more vibration modules 101, and the vibration device 100 may generate a rotational force or a stronger linear force through the force sensation combination of different vibration modules 101.

[0067] In some embodiments of the present invention, such as Figure 2 As shown, the coil support 23 may include a connecting plate 231 and two clamping plates 232. A rotating shaft 22 is connected to the connecting plate 231, and both ends of the connecting plate 231 are connected to the two clamping plates 232. The coil 21 is disposed between the two clamping plates 232. In a specific implementation, the connecting plate 231 and the two clamping plates 232 can be an integral structure. The rotating shaft 22 can be connected to the inner side or the outer side of the connecting plate 231. In the embodiment shown in the figure, a connecting block (not shown) is installed on the inner side of the connecting plate 231, and the rotating shaft 22 is installed in the connecting block. In this way, the connecting plate 231 and the two clamping plates 232 together form a robust rigid frame. The rotating shaft 22 is installed at the center of the connecting plate 231, which makes torque transmission efficient and the structure stress balanced.

[0068] In some embodiments of the present invention, such as Figure 3As shown, the first magnet 11 and the second magnet 12 can both be magnetized along the first direction but in opposite directions. Since the magnetization directions of the first magnet 11 and the second magnet 12 are opposite, the magnetic field force exerted by the magnetic field generated by the first magnet 11 and the second magnet 12 on the coil 21 is in the same direction. The force on the coil 21 increases, which increases the torque of the rotating component 2, increases the rotation speed of the rotating component 2, and thus enhances the impact force when the rotating component 2 collides with the braking part, thereby improving the vibration. Figure 3 In the diagram, A represents the magnetization direction of the magnet, and B represents the current direction of the coil 21. The effective portion of the coil consists of its two long sides (i.e., the parts parallel to the magnet). This flattened structural design results in a smaller overall size. The first magnet 11 and the second magnet 12 can both be arc-shaped and concentrically positioned with the center of the arc-shaped magnetic guide plate 13. This ensures that the magnetic field is evenly distributed along the rotation path of the rotating assembly 2, making the coil 21 more stable under force during rotation.

[0069] In some embodiments of the present invention, the coil support 23 can be connected to the impact structure. Alternatively, as shown in the embodiment in the figure, the coil support 23 and the impact structure are designed as a single unit. Specifically, the mass block 24 is disposed between the two clamping plates 232, and the mass block 24 and the two clamping plates 232 form an impact structure on both sides along the swing direction of the rotating component 2. In this way, the force transmission is more direct, and the overall strength can be improved. By using the mass block 24 and the two clamping plates 232 to form an impact structure on both sides along the swing direction of the rotating component 2, the impact structure does not need to be added separately, and the volume of the rotating component 2 is further reduced, thus reducing costs.

[0070] In some embodiments of the present invention, at least one of the two surfaces of the braking part and the impact structure that collide with each other is provided with a buffer member 3. In specific implementations, the buffer member 3 can be a soft or elastic structure such as foam, airbag, or rubber. The buffer member 3 can be provided on the braking part, on the impact structure, or on both the braking part and the impact structure. In this way, rigid collisions between the impact structure and the braking part can be avoided, and the impact force can be buffered by the buffer member 3, preventing multiple collisions between the impact structure and the braking part from causing significant damage.

[0071] In some embodiments of the present invention, such as Figures 1a to 2 As shown, the adjacent side walls of the outer casing 6 form braking parts. In a specific implementation, the outer casing 6 includes a first casing 61 and a second casing 62. The first casing 61 includes a top wall 611 and a pair of adjacent first side walls 612, and the second casing 62 includes a bottom wall 621 and a pair of adjacent second side walls 622. The adjacent second side walls 622 serve as braking parts. In this way, by utilizing the adjacent side walls (i.e., the adjacent second side walls 622) of the outer casing 6 to form braking parts, there is no need to set up a separate braking part, reducing the number of components used in the vibration module 101 and reducing costs.

[0072] In some embodiments of the present invention, the vibration device 100 includes at least two vibration modules 101, wherein the at least two vibration modules 101 are arranged axially symmetrically, and the rotation directions of the rotation components 2 of the two vibration modules 101 are opposite. Figures 6a to 6c The embodiment shown is this structure, wherein, Figure 6a For limit state 1, Figure 6b In its natural state, Figure 6c In extreme state 2, the motor force cancels out in extreme state 1, resulting in no overall force. In extreme state 2, the motor force is downward, resulting in an overall downward force. The rotating component 2 vibrates cyclically, and the overall force feels downward. Specifically, the two mutually perpendicular limiting surfaces in each vibration module 101 can be defined as the first limiting surface and the second limiting surface. When the two vibration modules 101 are axially symmetrically arranged, the first limiting surfaces of the two vibration modules 101 face the same direction, and the two second limiting surfaces are opposite or back-to-back. Furthermore, the rotation directions of the rotating components 2 of the two vibration modules 101 are opposite. With this arrangement, when the two rotating components 2 simultaneously impact the corresponding first limiting surface, the centrifugal force of the rotating component 2 disappears, leaving only the braking force in the normal direction of the first limiting surface. The braking forces in the two vibration modules 101 are in opposite directions, causing the two braking forces to cancel each other out, resulting in no or minimal force felt in the normal direction of the second limiting surface. When the two rotating components 2 simultaneously strike the corresponding second limiting surface, the external manifestation is the resultant force of the two braking forces, generating a downward linear force.

[0073] Alternatively, the vibration device 100 includes at least two vibration modules 101, wherein the at least two vibration modules 101 are arranged centrally symmetrically, the rotation directions of the rotating components 2 of the two vibration modules 101 are the same, and they can simultaneously impact the corresponding braking parts to generate a rotational force. In this case, the surfaces of the two braking parts in each vibration module 101 that act with the buffer 3 are defined as a first limiting surface and a second limiting surface, respectively, wherein the first limiting surfaces of the two vibration modules 101 face opposite directions, and the two second limiting surfaces also face opposite directions; and the rotation directions of the rotating components 2 of the two vibration modules 101 are the same. With this arrangement, when the rotating components 2 of the two vibration modules 101 simultaneously impact the corresponding first limiting surface or simultaneously impact the corresponding second limiting surface, since the braking forces of the two vibration devices 100 are opposite and not on the same straight line, the vibration device 100 can generate a rotational force.

[0074] On the other hand, embodiments of the present invention provide an electronic device including the vibration device 100 described above. The structure of the vibration device 100 is the same as above, and will not be described again here.

[0075] The electronic device of this invention includes a vibration device 100, which includes at least one vibration module 101. A stator assembly 1 is provided with a first magnet 11 and a second magnet 12 spaced apart along a first direction. An arc-shaped magnetic guide plate 13 is provided between the first magnet 11 and the second magnet 12, so that the magnetic field generated by the first magnet 11 and the second magnet 12 is directionally conducted along the arc-shaped magnetic guide plate 13. A rotating assembly 2 includes a coil 21. The rotating shaft 22 of the rotating assembly 2 is concentrically arranged with the center of the arc-shaped magnetic guide plate 13. The coil 21 is located between the first magnet 11 and the second magnet 12 and surrounds the arc-shaped magnetic guide plate 13. Compared with traditional open magnetic circuits, this invention... By setting a first magnet 11 and a second magnet 12, and setting the coil 21 around the arc-shaped magnetic guide plate 13, energy loss caused by magnetic field leakage can be reduced, and the coil 21 can cut magnetic field lines to the maximum extent. Under the same current, a larger rotational torque can be generated. Therefore, the torque of the rotating component 2 is increased while the current remains constant, and the overall vibration force of the vibration module 101 is improved. A spring plate for resetting the rotating component 2 is provided between the stator component 1 and the rotating component 2. The spring plate can enhance the resetting force of the rotating component 2, further enhance the torque of the rotating component 2, and improve the overall vibration force of the vibration module 101. An FPC 7 is attached to the deformed part of the spring plate. The FPC 7 has a first end and a second end. The first end has a first pad 71 that is electrically connected to the coil 21, and the second end has a second pad 72 that is electrically connected to the external circuit. Compared with the prior art, in this invention, the FPC 7 is attached to the deformed part of the spring plate. When the rotating component 2 rotates, the FPC 7 basically does not rotate with the rotating component 2. Therefore, it can ensure that the electrical connection on the FPC 7 remains effective and will not affect the normal operation of the vibration device 100.

[0076] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0077] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0078] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0079] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A vibration device, characterized in that, Includes at least one vibration module, the vibration module comprising: Stator assembly, rotating assembly and braking unit; The stator assembly is provided with a first magnet and a second magnet spaced apart along a first direction, and an arc-shaped magnetic guide plate is provided between the first magnet and the second magnet; The rotating assembly includes a coil, and the rotating shaft of the rotating assembly is concentric with the center of the arc-shaped magnetic plate. The coil is located between the first magnet and the second magnet and surrounds the arc-shaped magnetic plate. A spring sheet for resetting the rotating assembly is provided between the stator assembly and the rotating assembly. An FPC is attached to the deformed portion of the spring sheet. The FPC has a first end and a second end. The first end has a first pad that is electrically connected to the coil, and the second end has a second pad that is electrically connected to an external circuit. The rotating assembly is provided with an impact structure, and the braking part is located in the rotation path of the rotating assembly. The rotating assembly can be rotated to the position of the braking part so that the impact structure impacts the braking part to generate a force. The spring sheet is a spiral spring, which includes a winding portion, an inner fixing portion connected to the inner side of the winding portion, and an outer fixing portion connected to the outer side of the winding portion. The inner fixing portion is fixed to the stator assembly, and the outer fixing portion is fixed to the rotating assembly. The vibration module also includes a housing. The FPC includes a first extension near the first end, a second extension near the second end, and an S-segment located between the first extension and the second extension. The first extension is fixed to the rotating assembly, and the second extension is fixed to the housing. The bending portion of the two curved portions of the S-segment that is closer to the first extension is at least partially attached to the winding portion, and the bending portion of the two curved portions of the S-segment that is closer to the second extension is suspended.

2. The vibration device as described in claim 1, characterized in that, The inner fixing part is fixed to the stator assembly by a fixing block. The fixing block is concentrically arranged with the rotating shaft. The fixing block is provided with a insertion groove for accommodating the inner fixing part. And / or, the rotating assembly further includes a mass block located on the side of the coil away from the rotating shaft, and the outer fixing portion and the first extension are both fixed to the mass block.

3. The vibration device as described in claim 1, characterized in that, The second extension is attached to the inner surface of the side wall of the outer casing; Alternatively, the second extension includes an extension portion and a bent portion connected to the extension portion, the extension portion being attached to the inner surface of the side wall of the housing, the bent portion extending out of the housing and being attached to the outer surface of the side wall of the housing, and the second pad being disposed on the bent portion.

4. The vibration device as described in claim 1, characterized in that, The first magnet has a first magnetic yoke on the side away from the arc-shaped magnetic guide plate, and the first magnet is fixed to the first magnetic yoke; the second magnet has a second magnetic yoke on the side away from the arc-shaped magnetic guide plate, and the second magnet is fixed to the second magnetic yoke; the rotating shaft of the rotating assembly is rotatably connected to the first magnetic yoke and the second magnetic yoke.

5. The vibration device as described in claim 1, characterized in that, The rotating assembly further includes a coil support, on which the coil is disposed. The coil support is a non-magnetic structure, wherein: The coil support is connected to the impact structure; Alternatively, the coil support and the impact structure can be designed as a single unit.

6. The vibration device as described in claim 5, characterized in that, The coil support includes a connecting plate and two clamping plates. The rotating shaft is connected to the connecting plate, and both ends of the connecting plate are connected to the two clamping plates. The coil is disposed between the two clamping plates.

7. The vibration device as described in claim 1, characterized in that, Both the first magnet and the second magnet are magnetized along the first direction but in opposite directions; And / or, both the first magnet and the second magnet are arc-shaped and concentrically arranged with the center of the arc-shaped magnetic guide plate; And / or, at least one of the two surfaces of the braking part and the impact structure that collide with each other is provided with a buffer; And / or, the adjacent side walls of the housing form the braking portion.

8. An electronic device, characterized in that, Includes the vibration device described in any one of claims 1 to 7.

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