Linear motor and electronic device

Abstract

The present disclosure provides a linear motor and an electronic device, and belongs to the field of electronic devices. The linear motor comprises a stator, a vibrator and a first power transmission component. The vibrator is located in the stator, the vibrator comprises a battery and a magnetic component, the magnetic component is located on at least one side of the battery, and is used to drive the battery to vibrate relative to the stator. A part of the first power transmission component is located outside the stator, and another part is located in the stator. The first power transmission component is connected with the battery. In the linear motor, the vibrator comprises the battery, so that the linear motor has the function of a power supply. The linear motor is installed in the electronic device, and a battery does not need to be additionally arranged in the electronic device, so that the assembly process of the electronic device is simplified, and the assembly of the electronic device is more convenient. The extra space is used to place the linear motor, so that the linear motor can be larger, the mass of the vibrator is larger, and stronger vibration can be generated.

Description

Technical Field

[0001] This disclosure relates to the field of electronic devices, and more particularly to a linear motor and an electronic device. Background Technology

[0002] Haptic feedback technology has been widely used in various electronic devices. For example, in certain scenarios, when an electronic device is touched, the phone will vibrate.

[0003] In electronic devices, linear motors are commonly used to generate vibrations. A linear motor consists of a stator and an oscillator, with the oscillator located within the stator. When the linear motor is switched on, the oscillator vibrates at high speed within the stator, thereby causing the electronic device to vibrate.

[0004] Because electronic devices have limited internal space and numerous components, the assembly process is quite complicated. Adding a linear motor further complicates the process by requiring its installation within the electronic device, making the assembly process even more cumbersome. Summary of the Invention

[0005] This disclosure provides a linear motor and an electronic device, which facilitates the assembly of the electronic device. The technical solution is as follows:

[0006] On one hand, this disclosure provides a linear motor comprising a stator, an oscillator, and a first power transmission component. The oscillator is located within the stator and includes a battery and a magnetic component. The magnetic component is located on at least one side of the battery and is used to drive the battery to vibrate relative to the stator. A portion of the first power transmission component is located outside the stator, and another portion is located inside the stator. The first power transmission component is connected to the battery. In this linear motor, the oscillator includes the battery, thus enabling the linear motor to function as a power source. This is equivalent to combining the linear motor and battery into a single structure. Installing this linear motor in an electronic device eliminates the need for a separate battery, simplifying the assembly process. Furthermore, the extra space used to house the linear motor allows for a larger motor, a larger oscillator mass, and the generation of stronger vibrations.

[0007] In one possible implementation of this disclosure, the battery includes a battery body and two protective plates, which are respectively located on opposite sides of the battery body. The magnetic component is connected to the surface of the protective plate away from the battery body. The battery body is relatively fragile. To prevent damage to the battery body during high-speed vibration, protective plates are provided on opposite sides of the battery body, so that the forces acting on the battery act on the protective plates instead of directly on the battery body, thus improving the safety of the linear motor.

[0008] In one possible implementation of this disclosure, the battery further includes a buffer layer located between the battery body and the protective plate. This buffer layer acts as a cushion, reducing the impact on the battery body during oscillation and further improving the safety of the linear motor.

[0009] In one possible implementation of this disclosure, the magnetic component includes a first portion and a second portion. The first portion is connected to one of the protective plates, and the second portion is connected to the other protective plate. The stator contains a coil assembly that interacts with the magnetic component, causing the oscillator to vibrate at high speed under electromagnetic force. By configuring the magnetic component as a first and second portion, which interact with the coil assembly, forces are provided from both sides of the battery to drive its movement, resulting in smoother vibration and a higher frequency for the oscillator.

[0010] In one possible implementation of this disclosure, the first part is either a permanent magnet or an electromagnet; the second part is either a permanent magnet or an electromagnet. Using a permanent magnet as the magnetic component results in a simple structure and convenient installation. Using an electromagnet as the magnetic component allows for adjustment of the electromagnet's magnetic strength as needed.

[0011] In one possible implementation of this disclosure, the stator includes a housing and a fixing structure. The side wall of the housing has an opening, and the first power transmission component is located in the opening. The fixing structure is located on the side wall of the housing and is used to fix the first power transmission component. By providing an opening in the side wall of the housing, the first power transmission component can easily extend from inside the stator to outside the stator. During the operation of the linear motor, the vibration of the oscillator will drive the first power transmission component to move together. By fixing the first power transmission component with the fixing structure, only the part of the first power transmission component located inside the housing will move with the oscillator, while the part of the first power transmission component located outside the housing can remain stable, preventing the connection between the first power transmission component and the circuit board inside the electronic device from becoming loose.

[0012] In one possible implementation of this disclosure, the fixing structure includes an adhesive component. Fixing the first power transmission component using adhesive is simple and convenient.

[0013] In one possible implementation of this disclosure, the fixing structure includes a plurality of positioning protrusions, which are located in the opening and connected to the sidewall of the opening;

[0014] The portion of the first power transmission component located in the opening has a positioning hole, which fits over the positioning protrusion. The first power transmission component passes through the opening, and the positioning hole on the first power transmission component engages with the positioning protrusion to more firmly fix the first power transmission component, ensuring that the portion of the first power transmission component located outside the housing remains stable and preventing the connection between the first power transmission component and the circuit board inside the electronic device from becoming loose.

[0015] Optionally, the first power transmission component is a flexible circuit board, and a reinforcing plate is further provided at the position of the flexible circuit board corresponding to the fixed structure. The flexible circuit board is connected to the reinforcing plate, and the positioning hole is located on the reinforcing plate. Since the flexible body has relatively low strength, the reinforcing plate can enhance the strength of the flexible circuit board. Placing the positioning hole on the reinforcing plate prevents the flexible circuit board from breaking during interaction with the positioning protrusion.

[0016] On the other hand, embodiments of this disclosure also provide an electronic device, which includes a housing, a circuit board, and any of the linear motors described in the preceding aspect. Both the circuit board and the linear motor are located within the housing, with the linear motor situated on one side of the circuit board. A first power transmission component of the linear motor is connected to the circuit board. This electronic device may be, but is not limited to, a mobile phone, a tablet computer, or a navigation device.

[0017] The beneficial effects of the technical solutions provided in this disclosure include at least the following:

[0018] By integrating the battery and magnetic components as the oscillator of the linear motor, the linear motor also functions as a power source. This simplifies the assembly process, eliminating the need for a separate battery and making the assembly of electronic devices more convenient. The space inside the electronic device originally intended for the battery can now house the linear motor. Compared to existing technologies, this linear motor can be larger, has a greater oscillator mass, and generates stronger vibrations, providing users with a better tactile experience. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of a linear motor provided in an embodiment of this disclosure;

[0021] Figure 2 This is an exploded structural diagram of a stator provided in an embodiment of this disclosure;

[0022] Figure 3 yes Figure 1 Section I-I in the diagram;

[0023] Figure 4 This is a schematic diagram of the structure of a shell provided in an embodiment of this disclosure;

[0024] Figure 5 This is a schematic diagram of the assembly of the first power transmission component and the housing provided in an embodiment of this disclosure;

[0025] Figure 6 This is a schematic diagram of the structure of a shell provided in an embodiment of this disclosure;

[0026] Figure 7 This is a schematic diagram of the structure of a first power transmission component provided in an embodiment of this disclosure;

[0027] Figure 8 This is a cross-sectional view of a linear motor provided in an embodiment of this disclosure;

[0028] Figure 9 This is a schematic diagram of the structure of an electronic device provided in an embodiment of this disclosure. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this disclosure clearer, the embodiments of this disclosure will be described in further detail below with reference to the accompanying drawings.

[0030] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning understood by one of ordinary skill in the art to which this disclosure pertains. The terms “first,” “second,” “third,” and similar terms used in this patent application specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, the terms “an” or “a” and similar terms do not indicate a quantity limitation, but rather indicate the presence of at least one. The terms “comprising” or “including” and similar terms mean that the element or object preceding “comprising” or “including” encompasses the element or object listed following “comprising” or “including” and its equivalents, and do not exclude other elements or objects. The terms “connected” or “linked” and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms “upper,” “lower,” “left,” “right,” etc., are used only to indicate relative positional relationships, and these relative positional relationships may change accordingly when the absolute position of the described object changes.

[0031] Figure 1 This is a schematic diagram of the structure of a linear motor provided in an embodiment of this disclosure. Figure 1As shown, the linear motor includes a stator 10, an oscillator 20, and a first power transmission component 30.

[0032] The oscillator 20 is located inside the stator 10. The oscillator 20 includes a battery 210 and a magnetic element 220. The magnetic element 220 is located on at least one side of the battery 210 and is used to drive the battery 210 to vibrate relative to the stator 10.

[0033] The first power transmission component 30 is located partly outside the stator 10 and partly inside the stator 10. The first power transmission component 30 is connected to the battery 210.

[0034] By integrating the battery 210 and magnetic component 220 as the oscillator 20 of the linear motor, the linear motor also functions as a power source. This simplifies the assembly process, eliminating the need for a separate battery inside the electronic device. The space previously used for the battery can now house the linear motor. Compared to existing technologies, this linear motor can be significantly larger, and the oscillator 20 can be hundreds or even thousands of times more massive than traditional oscillators. This results in vibrations at least three orders of magnitude greater, producing stronger vibrations and a more tactile experience for the user.

[0035] Figure 2 This is an exploded structural diagram of a stator provided in an embodiment of this disclosure. Figure 2 The position of oscillator 20 is schematically shown in the diagram. (For example...) Figure 2 As shown, the stator 10 includes a housing 110 and a coil assembly 130. Both the coil assembly 130 and the oscillator 20 are located within the housing 110. The coil assembly 130 includes a first coil assembly 1301 and a second coil assembly 1302 located on opposite sides of the oscillator 20. The housing 110 includes a second housing 1102 located above the second coil assembly 1302 and a first housing 1101 located below the first coil assembly 1301. The first housing 1101 is connected to the second housing 1102. For example, the first housing 1101 and the second housing 1102 are connected by screws, snap-fit ​​fasteners, or adhesive.

[0036] Figure 3 yes Figure 1 Section I-I in the diagram. (See diagram below.) Figure 3 As shown, the side wall of the housing 110 has an opening 110a, and the first power transmission component 30 is located in the opening 110a.

[0037] The opening 110a facilitates the extension of the first power transmission component 30 from inside the housing 110 to outside the housing 110, enabling the first power transmission component 30 to connect with structures such as circuit boards inside the electronic device.

[0038] The opening 110a is located on any of the multiple sidewalls of the housing 110, excluding the two sidewalls to which the vibration direction of the oscillator 20 points. For example... Figure 3 In this configuration, the oscillator 20 vibrates vertically, and the opening 110a is located on the left side wall of the housing 110. This is to make the portion of the first power transmission component 30 located outside the housing 110 more stable.

[0039] Assume that opening 110a is located on one of the two sidewalls in the direction of vibration of oscillator 20. During the vibration of oscillator 20, when oscillator 20 moves closer to the sidewall where opening 110a is located, the first power transmission component 30 will be subjected to a force pushing outward from the outer casing 110. When oscillator 20 moves away from the sidewall where opening 110a is located, the first power transmission component 30 will be subjected to a force pulling inward from the outer casing 110, causing the first power transmission component 30 to be repeatedly pulled, affecting the part of the first power transmission component 30 located outside the outer casing 110.

[0040] Optionally, such as Figure 4 As shown, the stator 10 also includes a fixing structure 120. The fixing structure 120 is located on the side wall of the housing 110 and is used to fix the first power transmission component 30.

[0041] During the operation of the linear motor, the oscillator 20 vibrates at high speed, causing the position of the first power transmission component 30 to change. The first power transmission component 30 is fixed relative to the housing 110, so that only the part of the first power transmission component 30 located inside the housing 110 moves with the vibration of the oscillator 20, while the part of the first power transmission component 30 located outside the housing 110 remains stationary, so that the first power transmission component 30 can be stably connected to the circuit board inside the electronic device.

[0042] Figure 4 This is a schematic diagram of the structure of a casing provided in an embodiment of this disclosure. For example... Figure 4 As shown, the fixing structure 120 includes a plurality of positioning protrusions 121. The positioning protrusions 121 are located in the opening 110a and are connected to the sidewall of the opening 110a. Figure 5 This is a schematic diagram of the assembly of the first power transmission component and the housing provided in an embodiment of this disclosure. Figure 5 As shown, the portion of the first power transmission component 30 located in the opening 110a has a positioning hole 30a, which is fitted over the positioning protrusion 121.

[0043] The positioning protrusion 121 engages with the positioning hole 30a on the first power transmission component 30, so that during the vibration of the vibrator 20, the part of the first power transmission component 30 located outside the housing 110 will not be moved by the vibrator 20, thereby enabling the first power transmission component 30 to be stably connected to the circuit board inside the electronic device.

[0044] For example, in this embodiment of the present disclosure, the fixing structure 120 includes two positioning protrusions 121, which are arranged at intervals in the opening 110a.

[0045] In some examples, the positioning protrusion 121 is an integral structure with the housing 110. In this case, such as... Figure 5 As shown, the outer casing 110 includes a first outer casing 1101 and a second outer casing 1102, which are connected together. A positioning protrusion 121 is fixedly connected to either the first outer casing 1101 or the second outer casing 1102, and an opening 110a is located at the connection between the first outer casing 1101 and the second outer casing 1102. When assembling the linear motor, the positioning hole 30a of the first power transmission component 30 is fitted over the positioning protrusion 121, and then the first outer casing 1101 and the second outer casing 1102 are closed.

[0046] In other examples, the positioning protrusion 121 is detachably connected to the housing 110. Figure 6 This is a schematic diagram of the structure of a casing provided in an embodiment of this disclosure. For example... Figure 6 As shown, the housing 110 has a socket 110b in its side wall, which extends along the side wall to the opening 110a. The positioning protrusion 121 is a positioning pin 111, which is inserted into the socket 110b and partially extends into the opening 110a. When assembling the linear motor, the first power supply component 30 is inserted into the opening 110a, aligning the positioning hole 30a with the socket 110b. Then, the positioning pin is inserted into the socket 110b and passes through the positioning hole 30a.

[0047] In other examples, the fixing structure 120 includes adhesives.

[0048] The first power transmission component 30 and the housing 110 are bonded together using adhesive, thereby fixing the first power transmission component 30 to the housing 110. Using adhesive for fixing is simple in structure and convenient in operation. When bonding the first power transmission component 30 to the housing 110 using adhesive, the first power transmission component 30 can be bonded to the side wall of the opening 110a to avoid bending the first power transmission component 30.

[0049] For example, the adhesive is double-sided tape or hot melt adhesive.

[0050] In addition, the fixing structure 120 may also include a positioning protrusion 121 and an adhesive, which together fix the first power transmission component 30 to prevent the first power transmission component 30 from loosening and make the part of the first power transmission component 30 outside the stator 10 more stable.

[0051] In other examples, the fixing structure may also be a notch on the side of the first power transmission component 30, into which the side wall of the housing 110 is inserted, or a protrusion on the side wall of the opening 110a that is inserted into the notch.

[0052] Figure 7 This is a schematic diagram of the structure of a first power transmission component provided in an embodiment of this disclosure. For example... Figure 7 As shown, the first power transmission component 30 is a flexible circuit board. A reinforcing plate 320 is also provided at the position corresponding to the fixing structure 120 on the flexible circuit board 310. The flexible circuit board 310 is connected to the reinforcing plate 320, and the positioning hole 30a is located in the area where the reinforcing plate 320 is located. The flexible circuit board includes a flexible body 310 and a reinforcing plate 320. The flexible body 310 is connected to the reinforcing plate 320, and the reinforcing plate 320 is located at the position where the first power transmission component 30 is fixed to the outer casing 110.

[0053] A flexible circuit board is used as the first power transmission component 30. This flexible circuit board can be bent, facilitating connection with circuit boards within electronic devices. It also moves with the oscillator 20 during vibration. During this movement, a certain force is generated between the flexible circuit board and the positioning protrusion 121. The flexible body 310 has relatively low strength, while the reinforcing plate 320 has higher strength. By setting the reinforcing plate 320 at the position where the first power transmission component 30 is fixed to the outer casing 110, the local strength of the flexible body 310 is improved. The positioning hole 30a is placed on the reinforcing plate 320, ensuring that the force acts on the reinforcing plate 320, thus preventing damage to the flexible body 310.

[0054] For example, the reinforcing plate 320 is a plastic plate or a metal plate.

[0055] Figure 8 This is a cross-sectional view of a linear motor provided in an embodiment of this disclosure. For example... Figure 8 As shown, the linear motor also includes a second power transmission component 40. The housing 110 may also have an opening corresponding to the second power transmission component 40, with the second power transmission component 40 located within this opening. A portion of the second power transmission component 40 is located outside the housing 110, and another portion is located inside the housing 110. The portion of the second power transmission component 40 located inside the housing 110 is connected to the coil assembly 130 to input electrical signals to the coil assembly 130, generating a magnetic field. The second power transmission component 40 can be connected to the housing 110 in the same manner as the first power transmission component 30.

[0056] As an example, in this embodiment of the present disclosure, the first power transmission component 30 and the second power transmission component 40 extend from the same sidewall of the housing 110. In other examples, the first power transmission component 30 and the second power transmission component 40 may extend from different sidewalls of the housing 110. In some examples, the first power transmission component 30 and the second power transmission component 40 may also be located in the same opening.

[0057] When energized, the coil assembly 130 interacts with the magnetic component 220, causing the oscillator 20 to vibrate within the housing 110. As an example, in an embodiment of this disclosure, the coil assembly 130 includes a first coil 131 and a second coil 132, with the oscillator 20 located between the first coil 131 and the second coil 132.

[0058] Reference Figure 2 As shown, the coil assembly 130 also includes a first circuit board 133 and a second circuit board 134, which are located on two opposite sidewalls of the housing 110. The first coil 131 is located on the side of the first circuit board 133 closest to the second circuit board 134 and is connected to the first circuit board 133. The second coil 132 is located on the side of the second circuit board 134 closest to the first circuit board 133 and is connected to the second circuit board 134.

[0059] Optionally, the coil assembly 130 further includes a buffer structure 135. The buffer structure 135 is located on the side of the first coil 131 near the oscillator 20 and on the side of the second coil 132 near the oscillator 20. The buffer structure 135 can act as a buffer to prevent collisions between the oscillator 20 and the coil assembly 130.

[0060] For example, the buffer structure 135 is foam or magnetic fluid.

[0061] like Figure 2 As shown, an elastic element 140 is sandwiched between the oscillator 20 and the buffer structure 135. During the vibration of the oscillator 20, the elastic element 140 is repeatedly compressed and restored. The elastic element 140 can prevent the oscillator 20 from directly impacting the coil assembly 130, and can also provide force, enabling the oscillator 20 to change its direction of motion more quickly during vibration, so that the oscillator 20 can reach a higher vibration frequency.

[0062] For example, the elastic element 140 is a spring, such as a coil spring or a V-spring.

[0063] In this embodiment, the elastic element 140 is a V-shaped spring. V-shaped springs have a short stroke, small size, and occupy little space, thus saving space.

[0064] Reference Figure 1As shown, the battery 210 includes a battery body 211 and two protective plates 212. The two protective plates 212 are located on opposite sides of the battery body 211, and the magnetic element 220 is connected to the surface of the protective plate 212 away from the battery body 211.

[0065] The protective plate 212 provides protection for the battery body 211. The protective plate 212 is plate-shaped, and when the battery 210 is subjected to external forces, the force is dispersed across the entire surface of the battery body 211 by the protective plate 212, preventing damage to any localized area of ​​the battery body 211 from excessive force. For example, when the elastic element 140 contacts the protective plate 212, the elastic force generated by the elastic element 140 is dispersed through the protective plate 212 to the entire surface of the battery body 211 near the protective plate 212, greatly reducing the pressure on the battery body 211 and preventing damage to the battery body 211.

[0066] In addition, the protective plate 212 can also serve as the mounting base for the magnetic component 220, making it easy to firmly connect the magnetic component 220 to the surface of the battery 210 and preventing the magnetic component 220 from damaging the battery body 211 during the installation process.

[0067] In some examples, the protective plate 212 is a metal plate. The metal plate is not easily deformed, which can provide better protection for the battery body 211, and can also further increase the mass of the oscillator 20, enabling the linear motor to generate stronger vibrations.

[0068] As an example, in this embodiment of the disclosure, the battery body 211 is rectangular, the direction of movement of the oscillator 20 is perpendicular to the two largest surfaces of the battery body 211, and the protective plate 212 is located on the two largest surfaces of the battery body 211. In other examples, when the direction of movement of the oscillator 20 is perpendicular to other surfaces of the battery body 211, the protective plate 212 is correspondingly disposed on the other surfaces.

[0069] Reference Figure 1 As shown, the magnetic component 220 includes a first part 221 and a second part 222. The first part 221 is connected to a protective plate 212, and the second part 222 is connected to another protective plate 212.

[0070] The first part 221 is used to interact with the first coil 131, and the second part 222 is used to interact with the second coil 132. When the linear motor is working, an electrical signal is applied to the first coil 131 and the second coil 132, and the first coil 131 and the second coil 132 generate an alternating magnetic field. The first coil 131 and the first part 221 periodically generate attractive and repulsive forces, and the second coil 132 and the second part 222 periodically generate attractive and repulsive forces, thereby causing the oscillator 20 to vibrate at high speed.

[0071] Optionally, the first part 221 is one of a permanent magnet or an electromagnet. The second part 222 is one of a permanent magnet or an electromagnet.

[0072] When part 221 is a permanent magnet, one of its N and S poles is opposite to the first coil 131. When part 221 is an electromagnet, after the electromagnet is energized, one of its N and S poles is opposite to the first coil 131. When part 222 is a permanent magnet, one of its N and S poles is opposite to the second coil 132. When part 222 is an electromagnet, after the electromagnet is energized, one of its N and S poles is opposite to the second coil 132.

[0073] When at least one of the first part 221 and the second part 222 is an electromagnet, the electromagnet can be connected to the first power transmission component 30, the linear motor is installed in the electronic device, and the control structure in the electronic device can control the electromagnet through the first power transmission component 30.

[0074] Reference Figure 1 As shown, the battery 210 also includes a buffer layer 213. The buffer layer 213 is located between the battery body 211 and the protective plate 212.

[0075] During high-speed vibration of the oscillator 20, the battery body 211 experiences significant acceleration when changing its direction of motion, resulting in compression between the protective plate 212 and the battery body 211, causing considerable impact to the battery body 211. By providing a buffer layer 213 between the battery body 211 and the protective plate 212, the impact on the battery body 211 can be reduced, providing further protection and preventing damage to the battery body 211.

[0076] In some examples, the buffer layer 213 is foam. In other examples, the buffer layer 213 can also be other flexible structures that can provide cushioning.

[0077] Figure 9 This is a schematic diagram of the structure of an electronic device provided in an embodiment of this disclosure. The electronic device may be, but is not limited to, a mobile phone, a tablet computer, or a navigation device.

[0078] like Figure 9 As shown, the electronic device includes a housing 1000, a circuit board 2000, and as shown in the figure. Figures 1 to 8 The linear motor 3000 shown is either one of the linear motors 2000 or the linear motor 3000. Both the circuit board 2000 and the linear motor 3000 are located in the housing 1000. The linear motor 3000 is located on one side of the circuit board 2000. The first power transmission component 30 of the linear motor 3000 is connected to the circuit board 2000.

[0079] Taking a mobile phone as an example, the casing 1000 can be the mid-frame of the mobile phone, and the circuit board 2000 can be the motherboard of the mobile phone.

[0080] In this electronic device, the linear motor 3000 includes a battery 210. The battery 210 and the magnetic component 220 together form the oscillator 20 of the linear motor 3000. The first power transmission component 30 is connected to the circuit board 2000 inside the electronic device, allowing the battery 210 inside the linear motor 3000 to output power through the first power transmission component 30, thus enabling the linear motor 3000 to also function as a power source. This eliminates the need for a separate battery inside the electronic device, simplifying the assembly process and making it more convenient. The space originally used for the battery can now house the linear motor 3000. Compared to existing technologies, this linear motor 3000 can be made larger, and the oscillator 20 has a greater mass, thereby generating stronger vibrations.

[0081] The above description is merely an optional embodiment of this disclosure and is not intended to limit this disclosure. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this disclosure should be included within the protection scope of this disclosure.

Claims

1. A linear motor, characterized in that, It includes a stator (10), an oscillator (20), and a first power transmission component (30); The stator (10) includes a housing (110), and the vibrator (20) is located inside the housing (110). The vibrator (20) includes a battery (210) and a magnetic component (220). The magnetic component (220) includes a first part (221) and a second part (222). The first part (221) and the second part (222) are located on opposite sides of the battery (210). The first part (221) and the second part (222) are used to drive the battery (210) to vibrate relative to the housing (110). The first power transmission component (30) is located outside the housing (110) in part and inside the housing (110) in another part. The first power transmission component (30) is connected to the battery (210).

2. The linear motor according to claim 1, characterized in that, The battery (210) includes a battery body (211) and two protective plates (212), the two protective plates (212) being located on opposite sides of the battery body (211), and the magnetic element (220) being connected to the surface of the protective plate (212) away from the battery body (211).

3. The linear motor according to claim 2, characterized in that, The battery (210) also includes a buffer layer (213) located between the battery body (211) and the protective plate (212).

4. The linear motor according to claim 2, characterized in that, The first part (221) is connected to one of the protective plates (212), and the second part (222) is connected to the other of the protective plates (212).

5. The linear motor according to claim 4, characterized in that, The first part (221) is one of a permanent magnet or an electromagnet; the second part (222) is one of a permanent magnet or an electromagnet.

6. The linear motor according to any one of claims 1 to 5, characterized in that, The stator (10) includes a fixing structure (120), the side wall of the housing (110) has an opening (110a), the first power transmission component (30) is located in the opening (110a), and the fixing structure (120) is located on the side wall of the housing (110) for fixing the first power transmission component (30).

7. The linear motor according to claim 6, characterized in that, The fixing structure (120) includes a plurality of positioning protrusions (121), which are located in the opening (110a) and connected to the side wall of the opening (110a). The portion of the first power transmission component (30) located in the opening (110a) has a positioning hole (30a), which is fitted over the positioning protrusion (121).

8. The linear motor according to claim 7, characterized in that, The first power transmission component (30) is a flexible circuit board (310), and a reinforcing plate (320) is also provided at the position of the flexible circuit board (310) corresponding to the fixed structure (120). The flexible circuit board (310) is connected to the reinforcing plate (320), and the positioning hole (30a) is located in the area where the reinforcing plate (320) is located.

9. The linear motor according to claim 6, characterized in that, The fixing structure (120) includes an adhesive component.

10. An electronic device, characterized in that, The device includes a housing (1000), a circuit board (2000), and a linear motor (3000) as described in any one of claims 1 to 9, wherein the circuit board (2000) and the linear motor (3000) are both located in the housing (1000), the linear motor (3000) is located on one side of the circuit board (2000), and the first power transmission component (30) of the linear motor (3000) is connected to the circuit board (2000).

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