CN115940565A - Vibration device and electronic apparatus - Google Patents
Vibration device and electronic apparatus Download PDFInfo
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- CN115940565A CN115940565A CN202211738154.1A CN202211738154A CN115940565A CN 115940565 A CN115940565 A CN 115940565A CN 202211738154 A CN202211738154 A CN 202211738154A CN 115940565 A CN115940565 A CN 115940565A
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Abstract
The invention belongs to the technical field of vibration motors, and particularly relates to a vibration device and electronic equipment. The shell assembly of the vibration device is enclosed to form a mounting cavity, the vibrator assembly is suspended in the mounting cavity and can vibrate along a first direction and a second direction respectively, the first magnetic assembly and the second magnetic assembly of the vibrator assembly respectively comprise a first magnetic part and a second magnetic part which are sequentially arranged along the first direction, the magnetizing direction of the first magnetic part is the same as the second direction, the magnetizing direction of the second magnetic part is the same as the third direction, the stator assembly is arranged in the mounting cavity and connected with the shell assembly, and the stator assembly is arranged between the first magnetic assembly and the second magnetic assembly and is arranged at intervals with the first magnetic assembly and the second magnetic assembly respectively. Through using the vibrating device among this technical scheme, can guarantee that vibrator subassembly carries out two-way vibration, promoted vibrating device's use and experienced and vibrating device's suitability and commonality.
Description
Technical Field
The invention belongs to the technical field of vibration motors, and particularly relates to a vibration device and electronic equipment.
Background
At present, with the development and application of the haptic feedback device in electronic products, the linear motor is used as an actuator for haptic feedback, and the structure and function thereof are more and more diversified. The linear motor has a wide application in electronic devices such as mobile phones due to its characteristics of fast response, excellent vibration sense, and the like. However, the conventional linear motor basically provides only one-directional vibration, and the use experience of the vibration motor is poor, so that the applicability and the universality of the vibration motor are reduced.
Disclosure of Invention
The invention aims to at least solve the problem that the existing vibration motor has a single vibration direction. The purpose is realized by the following technical scheme:
a first aspect of the present invention provides a vibration device, comprising:
a housing assembly enclosing a mounting cavity;
the vibrator assembly is suspended in the mounting cavity and can vibrate along a first direction and a second direction respectively, the vibrator assembly comprises a first magnetic assembly and a second magnetic assembly which are oppositely arranged along a third direction, the first magnetic assembly and the second magnetic assembly both comprise a first magnetic part and a second magnetic part which are sequentially arranged along the first direction, the magnetizing direction of the first magnetic part is the same as the second direction, the magnetizing direction of the second magnetic part is the same as the third direction, and the first direction, the second direction and the third direction are perpendicular to each other;
the stator assembly is arranged in the installation cavity and connected with the shell assembly, and the stator assembly is arranged between the first magnetic assembly and the second magnetic assembly and is arranged at intervals with the first magnetic assembly and the second magnetic assembly respectively.
Through using the vibrating device among this technical scheme, adopt shell subassembly, the integrated configuration of vibrator subassembly and stator module, the installation cavity of shell subassembly can provide the arrangement space for vibrator subassembly and stator module, the vibrator subassembly can carry out two-way vibration in first direction and second direction, wherein the first magnetic component and the second magnetic component of vibrator subassembly all include first magnetic part and the second magnetic part that sets up along the second direction, the direction of magnetizing of first magnetic part is the same with the second direction, the direction of magnetizing of second magnetic part is the same with the third direction, assurance that can be better vibrates subassembly and carries out two-way vibration, the use that has promoted vibrating device is experienced and vibrating device's suitability and commonality, stator module can drive first magnetic component and the second magnetic component that lie in its both sides when the circular telegram, and then make the vibrator subassembly carry out the vibration of first direction or second direction.
In addition, the vibration device according to the present invention may have the following additional technical features:
in some embodiments of the present invention, each of the first magnetic assembly and the second magnetic assembly further includes a third magnetic member, the third magnetic member is disposed on a side of the corresponding second magnetic member away from the first magnetic member, and a magnetizing direction of the third magnetic member is opposite to a magnetizing direction of the corresponding first magnetic member.
In some embodiments of the present invention, the vibration device includes a magnetic yoke, the magnetic yoke is disposed in the mounting cavity, a receiving cavity is formed in the magnetic yoke, the stator assembly, the first magnetic assembly and the second magnetic assembly are located in the receiving cavity, and the first magnetic assembly and the second magnetic assembly are connected to the magnetic yoke.
In some embodiments of the present invention, the vibration device includes a mass block, the mass block is located in the mounting cavity, a receiving cavity is formed in the mass block, and the magnetic yoke is disposed in the receiving cavity and connected to the mass block.
In some embodiments of the present invention, the stator assembly includes a coil and an iron core, the coil is wound outside the iron core and connected to the housing assembly, and the coil and the first and second magnetic assemblies are spaced apart from each other.
In some embodiments of the present invention, the stator assembly further includes a first magnetic conductive ring and a second magnetic conductive ring, and the first magnetic conductive ring and the second magnetic conductive ring are respectively sleeved on the iron core and respectively abut against two ends of the coil along the first direction.
In some embodiments of the present invention, the stator assembly further includes a first foam and a second foam, the first foam and the second foam are respectively sleeved on the iron core, the first foam abuts against a side of the first magnetic conductive ring away from the coil, and the second foam abuts against a side of the second magnetic conductive ring away from the coil.
In some embodiments of the present invention, the vibration device further includes a resilient member, one end of the resilient member being connected to the vibrator member, and the other end of the resilient member being connected to the housing member.
In some embodiments of the present invention, the housing assembly includes a bottom plate and a housing, the housing having an open end, the bottom plate covering the open end, the bottom plate and the housing enclosing the mounting cavity.
The invention provides an electronic device with the vibration device.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated with like reference numerals throughout the drawings. In the drawings:
fig. 1 schematically shows an exploded structure diagram of a vibration device according to an embodiment of the present invention;
fig. 2 is a schematic view showing a structure of a vibration apparatus according to an embodiment of the present invention with a cover plate removed;
FIG. 3 is a schematic cross-sectional view of the vibration device of FIG. 2;
fig. 4 is a schematic structural diagram of the first magnetic component and the second magnetic component of the vibration device in fig. 2.
The reference numerals in the drawings denote the following:
11. a housing; 12. a base plate; 13. FPCB;
21. a first magnetic component; 211. a first magnetic member; 212. a second magnetic member; 213. a third magnetic member; 22. a second magnetic component; 23. a magnetic yoke; 231. an accommodating chamber; 24. a mass block; 241. an accommodating cavity;
31. an iron core; 32. a coil; 331. a first magnetically conductive ring; 332. a second magnetically conductive ring; 341. first foam; 342. second foam;
41. a first elastic member; 411. a first fixed part; 412. a second fixed part; 413. a first elastic portion; 414. a second elastic part; 42. a second elastic member.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order discussed or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "in 8230 \8230; below" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Fig. 1 schematically shows an exploded structure diagram of a vibration device according to an embodiment of the present invention. As shown in fig. 1, the present invention provides a vibration device and an electronic apparatus. The vibration device comprises a shell assembly, a vibrator assembly and a stator assembly, wherein the shell assembly encloses to form a mounting cavity, the vibrator assembly is suspended in the mounting cavity and can vibrate along a first direction and a second direction respectively, the vibrator assembly comprises a first magnetic assembly 21 and a second magnetic assembly 22 which are oppositely arranged along a third direction, the first magnetic assembly 21 and the second magnetic assembly 22 both comprise a first magnetic part 211 and a second magnetic part 212 which are sequentially arranged along the first direction, the magnetizing direction of the first magnetic part 211 is the same as the second direction, the magnetizing direction of the second magnetic part 212 is the same as the third direction, the first direction, the second direction and the third direction are vertical to each other, the stator assembly is arranged in the mounting cavity and connected with the shell assembly, and the stator assembly is arranged between the first magnetic assembly 21 and the second magnetic assembly 22 and is arranged at an interval with the first magnetic assembly 21 and the second magnetic assembly 22 respectively.
Through using the vibrating device in this technical scheme, adopt the shell subassembly, the integrated configuration of vibrator subassembly and stator module, the installation cavity of shell subassembly can provide arrangement space for vibrator subassembly and stator module, the vibrator subassembly can carry out two-way vibration in first direction and second direction, wherein the first magnetic component 21 and the second magnetic component 22 of vibrator subassembly all include first magnetic part 211 and the second magnetic part 212 that sets up along the second direction, the direction of magnetizing of first magnetic part 211 is the same with the second direction, the direction of magnetizing of second magnetic part 212 is the same with the third direction, the assurance vibrator subassembly that can be better carries out two-way vibration, the use experience of vibrating device and vibrating device's suitability and commonality have been promoted, stator module can drive first magnetic component 21 and the second magnetic component 22 that lie in its both sides when the circular telegram, and then make the vibrator subassembly carry out the vibration of first direction or second direction.
In some embodiments of the present invention, as shown in fig. 1 and 2, each of the first magnetic assembly 21 and the second magnetic assembly 22 further includes a third magnetic member 213, the third magnetic member 213 is disposed on a side of the corresponding second magnetic member 212 away from the first magnetic member 211, and the third magnetic member 213 charges the corresponding first magnetic member 211 in an opposite direction. Wherein, corresponding means: the first magnetic part 211, the second magnetic part 212 and the third magnetic part 213 of the first magnetic assembly 21 are corresponding; the first, second and third magnetic elements of the second magnetic assembly 22 are corresponding. In this embodiment, the first magnetic member 211 and the third magnetic member 213 are respectively disposed at both ends of the second magnetic member 212, and when the stator assembly is energized, the first magnetic member 211 and the third magnetic member 213 of the first magnetic assembly 21 and the second magnetic assembly 22 can be better driven, respectively, so that the vibrator assembly can vibrate more stably in the second direction. Compared with a combination mode of only adopting the first magnetic piece 211 and the second magnetic piece 212, the combination structure of the first magnetic piece 211, the second magnetic piece 212 and the third magnetic piece 213 can enable the driving force of the vibrator assembly along the second direction to be larger and more stable, and the reliability is improved.
Specifically, in the present embodiment, as shown in fig. 2, 3 and 4 (where the arrow direction in fig. 4 is the magnetizing direction of the magnetic member), the magnetizing direction of the first magnetic member 211 of the first magnetic assembly 21 is the arrow direction of the second direction, the magnetizing direction of the second magnetic member 212 of the first magnetic assembly 21 is the arrow direction of the third direction, and the magnetizing direction of the third magnetic member 213 of the first magnetic assembly 21 is the reverse direction of the arrow direction of the second direction. The magnetizing direction of the first magnetic member 211 of the second magnetic assembly 22 is an arrow direction of the second direction, the magnetizing direction of the second magnetic member 212 of the second magnetic assembly 22 is a reverse direction of the arrow direction of the third direction, and the magnetizing direction of the third magnetic member 213 of the second magnetic assembly 22 is a reverse direction of the arrow direction of the second direction.
In some embodiments of the present invention, as shown in fig. 1 and 2, the vibration device includes a yoke 23, the yoke 23 is disposed in the mounting cavity, the yoke 23 has a receiving cavity 231 therein, the stator assembly, the first magnetic assembly 21 and the second magnetic assembly 22 are all located in the receiving cavity 231, and the first magnetic assembly 21 and the second magnetic assembly 22 are both connected to the yoke 23. In the present embodiment, the yoke 23 is an annular structure, and is sleeved outside the stator assembly, the first magnetic assembly 21, and the second magnetic assembly 22, so as to guide magnetic lines of force of the first magnetic assembly 21 and the second magnetic assembly 22 to pass through the coil 32, thereby improving the magnetic field utilization rate of the first magnetic assembly 21 and the second magnetic assembly 22. In addition, the first magnetic assembly 21 and the second magnetic assembly 22 in this embodiment are respectively located at the front end and the rear end of the accommodating cavity 231, and are connected to the inner wall surface of the magnetic yoke 23, so that better fixation can be performed, an electromagnetic effect can be generated on the stator assembly located between the first magnetic assembly 21 and the second magnetic assembly 22, and reliability is improved.
In some embodiments of the present invention, as shown in fig. 1 and 2, the vibration device includes a mass 24, the mass 24 is located in the mounting cavity, the mass 24 has a receiving cavity 241 therein, and the yoke 23 is located in the receiving cavity 241 and connected to the mass 24. In the present embodiment, the mass 24 has an annular structure, and is fitted around the yoke 23 to fix the yoke 23. The mass block 24 can provide a certain loading effect when the first magnetic assembly 21 and the second magnetic assembly 22 are driven by the electromagnetic force of the stator assembly, so that the vibration sense of the whole vibration device is improved, and the use experience of a user is also improved.
In some embodiments of the present invention, as shown in fig. 1 and 2, the stator assembly includes a coil 32 and a core 31, the coil 32 is wound outside the core 31 and connected to the housing assembly, and the coil 32 is spaced apart from the first and second magnetic assemblies 21 and 22, respectively. In the present embodiment, the coil 32 is wound around the outside of the core 31, is electrically connected to an external power supply, generates a magnetic field when energized, and can act on the magnet assembly of the vibrator assembly.
In some embodiments of the present invention, as shown in fig. 1 and 2, the stator assembly further includes a first magnetic ring 331 and a second magnetic ring 332, where the first magnetic ring 331 and the second magnetic ring 332 are respectively sleeved on the iron core 31 and respectively abut against two ends of the coil 32 along the first direction. In this embodiment, the first magnetic conductive ring 331 and the second magnetic conductive ring 332 are respectively disposed at two ends of the coil 32 along the first direction, so that when the coil 32 is energized, the magnetic force lines of the coil 32 can be corrected, thereby improving the magnetic field utilization rate of the coil 32 and improving the driving force between the stator assembly and the vibrator assembly.
In some embodiments of the present invention, as shown in fig. 1 and 2, the stator assembly further includes a first foam 341 and a second foam 342, the first foam 341 and the second foam 342 are respectively sleeved on the iron core 31, the first foam 341 abuts against a side of the first magnetic conductive ring 331 away from the coil 32, and the second foam 342 abuts against a side of the second magnetic conductive ring 332 away from the coil 32. In this embodiment, the first foam 341 and the second foam 342 are disposed at two ends of the two magnetic conductive rings, and have a gap with the magnetic yoke 23, so as to prevent the stator assembly from being impacted greatly when the vibrator assembly vibrates, thereby playing a role in damping and improving reliability.
In some embodiments of the present invention, as shown in fig. 1 and 2, the vibration device further includes a resilient member, one end of which is connected to the vibrator member and the other end of which is connected to the housing member. In this embodiment, the elastic assembly further includes a first elastic member 41 and a second elastic member 42, one end of the first elastic member 41 and one end of the second elastic member 42 are respectively fixedly connected to the housing assembly, and the other end of the first elastic member 41 and the other end of the second elastic member 42 are respectively fixedly connected to the mass block 24. In this embodiment, first elastic component 41 and second elastic component 42 are shell fragment structure, shell fragment structure's one end and shell subassembly rigid coupling, the other end and quality piece 24 fixed connection, can suspend quality piece 24 in the installation cavity of shell subassembly, simultaneously because stator module is located between first magnet subassembly and the second magnet subassembly and with shell subassembly rigid coupling, can be under the circular telegram circumstances, produce magnetic drive power to the vibrator subassembly, make the vibrator subassembly carry out reciprocating motion, in this motion, shell fragment structure can make the vibrator subassembly carry out reciprocating motion, and can carry out certain restraint to the displacement of vibrator subassembly, guarantee vibration effect and dynamics.
Specifically, in the present embodiment, as shown in fig. 2, the spring structure further includes a first fixing portion 411, an elastic portion and a second fixing portion 412, two ends of the elastic portion are respectively connected to the first fixing portion 411 and the second fixing portion 412, the first fixing portion 411 is connected to the mass block 24, and the second fixing portion 412 is connected to the bottom plate 12. The elastic portion further includes a first elastic portion 413 and a second elastic portion 414, the first elastic portion 413 and the second elastic portion 414 are disposed at an angle, one end of the first elastic portion 413 far away from the second elastic portion 414 is connected to the first fixing portion 411, and one end of the second elastic portion 414 far away from the first elastic portion 413 is connected to the second fixing portion 412. The elastic part can be of a rubber or thin metal sheet structure and can play an elastic role.
In some embodiments of the present invention, as shown in fig. 1 and 2, the housing assembly includes a bottom plate 12 and a housing 11, the housing 11 has an open end, the bottom plate 12 is covered on the open end, and the bottom plate 12 and the housing 11 enclose to form the mounting cavity. In this embodiment, the shell assembly adopts a combined structure of the shell 11 and the bottom plate 12, so that the vibration device can be assembled and disassembled conveniently, meanwhile, the shell 11 is provided with an open end, and the bottom plate 12 is arranged at the open end, so that the shell assembly and the stator assembly can be sealed, and a certain sealing effect is achieved.
Specifically, in the present embodiment, as shown in fig. 1, the bottom plate 12 is further provided with an FPCB13 (Flexible Printed Circuit Board), one end of the FPCB13 is electrically connected to an external power supply, and the other end of the FPCB13 is connected to the coil 32.
A second aspect of the present invention proposes an electronic apparatus having the vibration device described above.
Through using the electronic equipment among this technical scheme, adopt the shell subassembly, the integrated configuration of vibrator subassembly and stator module, the installation cavity of shell subassembly can provide the arrangement space for vibrator subassembly and stator module, the vibrator subassembly can carry out two-way vibration in first direction and second direction, the use experience of vibrating device and the suitability and the commonality of vibrating device have been promoted, the first magnetic component 21 and the second magnetic component 22 of vibrator subassembly all include magnetization direction looks vertically first magnetic part 211 and second magnetic part 212 simultaneously, guarantee that the vibrator subassembly that can be better carries out two-way vibration, the reliability has been promoted, stator module can drive first magnetic component 21 and the second magnetic component 22 that lie in its both sides when the circular telegram, and then make the vibrator subassembly carry out the vibration of first direction or second direction.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A vibratory apparatus, comprising:
the shell component encloses to form a mounting cavity;
the vibrator assembly is suspended in the mounting cavity and can vibrate along a first direction and a second direction respectively, the vibrator assembly comprises a first magnetic assembly and a second magnetic assembly which are oppositely arranged along a third direction, the first magnetic assembly and the second magnetic assembly both comprise a first magnetic part and a second magnetic part which are sequentially arranged along the first direction, the magnetizing direction of the first magnetic part is the same as the second direction, the magnetizing direction of the second magnetic part is the same as the third direction, and the first direction, the second direction and the third direction are perpendicular to each other;
the stator assembly is arranged in the installation cavity and connected with the shell assembly, and the stator assembly is arranged between the first magnetic assembly and the second magnetic assembly and is arranged at intervals with the first magnetic assembly and the second magnetic assembly respectively.
2. The vibration device as claimed in claim 1, wherein each of the first magnetic assembly and the second magnetic assembly further comprises a third magnetic member, the third magnetic member is disposed on a side of the corresponding second magnetic member away from the first magnetic member, and the third magnetic member is opposite to the corresponding first magnetic member in magnetization direction.
3. The vibration apparatus according to claim 1, wherein the vibration apparatus comprises a magnetic yoke, the magnetic yoke is disposed in the mounting cavity, a receiving cavity is formed in the magnetic yoke, the stator assembly, the first magnetic assembly and the second magnetic assembly are located in the receiving cavity, and the first magnetic assembly and the second magnetic assembly are connected to the magnetic yoke.
4. The vibration apparatus as claimed in claim 3, wherein the vibration apparatus comprises a mass block, the mass block is located in the mounting cavity, a receiving cavity is formed in the mass block, and the magnetic yoke is disposed in the receiving cavity and connected to the mass block.
5. The vibration apparatus as claimed in claim 1, wherein the stator assembly includes a coil and an iron core, the coil is wound around the iron core and connected to the housing assembly, and the coil and the first and second magnetic assemblies are spaced apart from each other.
6. The vibration device as claimed in claim 5, wherein the stator assembly further includes a first magnetic conductive ring and a second magnetic conductive ring, and the first magnetic conductive ring and the second magnetic conductive ring are respectively sleeved on the iron core and respectively abut against two ends of the coil along the first direction.
7. The vibration device as claimed in claim 6, wherein the stator assembly further comprises a first foam and a second foam, the first foam and the second foam are respectively sleeved on the iron core, the first foam abuts against one side of the first magnetic conductive ring away from the coil, and the second foam abuts against one side of the second magnetic conductive ring away from the coil.
8. The vibration apparatus as claimed in claim 1, further comprising a resilient member, one end of which is connected to the vibrator member and the other end of which is connected to the housing member.
9. The vibration apparatus of claim 1 wherein the housing assembly includes a base plate and a housing, the housing having an open end, the base plate covering the open end, the base plate and the housing enclosing the mounting cavity.
10. An electronic device characterized by having the vibration apparatus according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211738154.1A CN115940565A (en) | 2022-12-30 | 2022-12-30 | Vibration device and electronic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211738154.1A CN115940565A (en) | 2022-12-30 | 2022-12-30 | Vibration device and electronic apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115940565A true CN115940565A (en) | 2023-04-07 |
Family
ID=86699220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211738154.1A Pending CN115940565A (en) | 2022-12-30 | 2022-12-30 | Vibration device and electronic apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115940565A (en) |
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2022
- 2022-12-30 CN CN202211738154.1A patent/CN115940565A/en active Pending
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