CN219554803U - Vibration device and electronic apparatus - Google Patents

Abstract

The utility model belongs to the technical field of vibration systems, and particularly relates to a vibration device and electronic equipment. The vibrating device comprises a shell component, a vibrator component and a stator component, wherein a containing cavity is formed in the shell component, the vibrator component is suspended in the containing cavity, the vibrator component comprises a mass block and a magnet component, a containing space is formed in the mass block, the magnet component is arranged in the containing space and distributed on two opposite sides of the containing space, the stator component is fixedly arranged in the containing space and has a gap with the magnet component, and a damping ring is sleeved on the outer side of the stator component. Through the vibrating device who uses among this technical scheme, stator module's the outside still is equipped with the damping ring, and when vibrator subassembly reciprocating motion, the magnetic induction line that passes the damping ring can change for the damping ring produces reverse electromotive force, plays the effect that hinders vibrator subassembly motion, thereby shortens the fall time of motor, better reinforcing vibration experience.

Description

Vibration device and electronic apparatus

Technical Field

The utility model belongs to the technical field of vibration systems, 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 executing element of the haptic feedback, and the structure and the function of the linear motor are more and more diversified. The linear motor has the characteristics of quick response, excellent vibration feeling and the like, and is widely applied to electronic equipment such as mobile phones and the like, and in order to provide better experience for users, a certain damping structure (such as foam damping, electromagnetic damping, magnetic liquid and the like) is generally added in the motor so as to shorten the descending time of the motor and enhance the vibration experience. However, the effect of enhancing the vibration experience of the damping structure in the application process is not obvious, and the adopted structure is complex, which is not beneficial to assembly and production.

Disclosure of Invention

The utility model aims to at least solve the problem that the vibration experience of the existing damping structure is poor. The aim is achieved by the following technical scheme:

a first aspect of the present utility model proposes a vibration device comprising:

the shell assembly is internally provided with an accommodating cavity;

the vibrator assembly is suspended in the accommodating cavity and comprises a mass block and a magnet assembly, wherein an accommodating space is formed in the mass block, and the magnet assembly is arranged in the accommodating space and distributed on two opposite sides of the accommodating space;

the stator assembly is fixedly arranged in the storage space and is provided with a gap with the magnet assembly, and a damping ring is sleeved on the outer side of the stator assembly.

Through the vibrating device in this technical scheme, adopt shell subassembly, vibrator subassembly and stator module's integrated configuration, shell subassembly's holding chamber can hold vibrator subassembly and stator module, vibrator subassembly is suspended in the holding intracavity, and stator module sets firmly in vibrator subassembly's magnet subassembly, can produce the relative reciprocating motion of magnetic force between stator subassembly and the vibrator subassembly when stator module circular telegram, and then realize the effect of vibration, secondly, the quality piece can play the effect of connecting and lifting weight, further promote steadiness and vibration effect, in addition, stator module's outside still is equipped with the damping ring, when vibrator subassembly reciprocating motion, the magnetic induction line that passes the damping ring can change for the damping ring produces reverse electromotive force, play the effect that hinders vibrator subassembly motion, thereby shorten the decline time of motor, better reinforcing vibration experience.

In addition, the vibration device according to the present utility model may have the following additional technical features:

in some embodiments of the present utility model, the magnet assembly includes a first magnet assembly and a second magnet assembly, the first magnet assembly and the second magnet assembly are respectively disposed at opposite sides of the receiving space and symmetrically disposed, and the stator assembly is disposed between the first magnet assembly and the second magnet assembly.

In some embodiments of the present utility model, the first magnet assembly and the second magnet assembly each include a magnet assembly and a magnetic conductive plate disposed on a side of the magnet assembly remote from the stator assembly and coupled to the mass.

In some embodiments of the present utility model, the magnet group includes a middle magnet, a first side magnet and a second side magnet, the first side magnet and the second side magnet are respectively disposed at two sides of the middle magnet along the vibration direction, and the first side magnet and the second side magnet are respectively opposite to the magnetizing direction of the middle magnet.

In some embodiments of the utility model, the damping ring is a copper ring structure.

In some embodiments of the present utility model, the vibrator assembly further includes a first elastic member and a second elastic member, one end of the first elastic member and one end of the second elastic member are fixedly connected with the housing assembly, respectively, and the other end of the first elastic member and the other end of the second elastic member are connected with the mass block, respectively.

In some embodiments of the present utility model, the stator assembly includes a bracket set, a coil and an iron core, the bracket set is fixedly connected with the housing assembly, two ends of the iron core are respectively connected with the bracket set, the coil is wound on the outer side of the iron core, and the damping ring is sleeved on the outer side of the coil.

In some embodiments of the present utility model, the bracket set includes a first bracket and a second bracket, and the first bracket and the second bracket are spaced apart and fixedly connected with the housing assembly, respectively.

In some embodiments of the present utility model, the housing assembly includes a cover having the receiving cavity therein, the receiving cavity having an open end, and a bottom plate disposed at the open end to close the receiving cavity.

A second aspect of the present utility model proposes an electronic device having the above-described 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 utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

fig. 1 schematically shows an overall structural schematic of a vibration device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the vibration device of FIG. 1 from another perspective;

FIG. 3 is a schematic diagram of an exploded view of the vibration device of FIG. 1;

fig. 4 is a schematic view of a mating structure among a stator assembly, a first magnet assembly and a second magnet assembly of the vibration device of fig. 1.

The reference numerals in the drawings are as follows:

100. a vibration device;

11. a cover body; 12. a bottom plate; 121. FPCB;

21. a mass block; 22. a first magnet assembly; 23. a second magnet assembly; 231. a magnetic conductive plate; 2321. a middle magnet; 2322. a first side magnet; 2323. a second side magnet;

30. a stator assembly; 31. a magnetic damping member; 32. an iron core; 33. a coil; 341. a first bracket; 342. and a second bracket.

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" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "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 described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated 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 ease 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 "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.

Fig. 1 schematically shows an overall structural schematic of a vibration device according to an embodiment of the present utility model. Fig. 2 is a schematic structural view of the vibration device of fig. 1 from another perspective. Fig. 3 is a schematic diagram of an exploded structure of the vibration device of fig. 1. As shown in fig. 1, 2 and 3, the present utility model proposes a vibration device 100 and an electronic apparatus. The vibration device 100 comprises a shell component, a vibrator component and a stator component 30, wherein a containing cavity is formed in the shell component, the vibrator component is suspended in the containing cavity, the vibrator component comprises a mass block 21 and a magnet component, a containing space is formed in the mass block 21, the magnet component is arranged in the containing space and distributed on two opposite sides of the containing space, the stator component 30 is fixedly arranged in the containing space and has a gap with the magnet component, and a damping ring is sleeved on the outer side of the stator component 30.

Through the vibration device 100 in the technical scheme, the combined structure of the shell component, the vibrator component and the stator component 30 is adopted, the vibrator component and the stator component 30 can be accommodated in the accommodating cavity of the shell component, the vibrator component is suspended in the accommodating cavity, the stator component 30 is fixedly arranged in the magnet component of the vibrator component, and when the stator component 30 is electrified, magnetic force can be generated between the stator component 30 and the vibrator component to make relative reciprocating motion, so that the vibration effect is achieved, and secondly, the mass block 21 can play a role in connecting and lifting weight, so that stability and vibration effect are further improved.

In some embodiments of the present utility model, as shown in fig. 3, the magnet assembly includes a first magnet assembly 22 and a second magnet assembly 23, the first magnet assembly 22 and the second magnet assembly 23 are respectively disposed at opposite sides of the receiving space and symmetrically disposed, and the stator assembly 30 is disposed between the first magnet assembly 22 and the second magnet assembly 23. In this embodiment, two sets of magnet assemblies are provided, namely, a first magnet assembly 22 and a second magnet assembly 23, the first magnet assembly 22 and the second magnet assembly 23 are disposed on opposite sides of the storage space and symmetrically, and the stator assembly 30 is disposed between the first magnet assembly 22 and the second magnet assembly 23, so that when the stator assembly 30 is energized, the first magnet assembly 22 and the second magnet assembly 23 on two ends of the stator assembly 30 can be magnetically acted, and further the vibrator assembly can reciprocate.

In some embodiments of the present utility model, as shown in fig. 3, each of the first magnet assembly 22 and the second magnet assembly 23 includes a magnet group and a magnetic conductive plate 231, and the magnetic conductive plate 231 is disposed on a side of the magnet group away from the stator assembly 30 and connected to the mass 21. In this embodiment, the magnetic force lines emitted from the magnet assembly can be corrected by the magnetic conductive plate 231, so that the magnetic force action of the magnet assembly is improved, and the reliability is improved.

In some embodiments of the present utility model, as shown in fig. 3, the magnet group includes a middle magnet 2321, a first side magnet 2322, and a second side magnet 2323, and the first side magnet 2322 and the second side magnet 2323 are disposed on both sides of the middle magnet 2321 in the vibration direction, respectively. In this embodiment, two side magnet structures are respectively disposed on two sides of the middle magnet 2321 along the vibration direction, so that when the stator assembly 30 is powered on, the driving force between the stator assembly 30 and the magnet assembly can be increased, and the vibration feedback efficiency of the vibrator assembly can be improved.

Specifically, in the present embodiment, as shown in fig. 4 (the direction of the arrow in the drawing is the magnetizing direction), the first side magnet 2322 and the second side magnet 2323 are respectively opposite to the magnetizing direction of the intermediate magnet 2321, and the magnetizing direction of the intermediate magnet 2321 of the magnet group of the first magnet assembly 22 and the magnetizing direction of the intermediate magnet 2321 of the magnet group of the second magnet assembly 23 are opposite. When the stator assembly 30 is arranged, the stator assembly 30 can be guaranteed to generate magnetic driving forces in the same direction for the two magnet assemblies, and then the vibrator assembly can vibrate stably.

In some embodiments of the utility model, the damping ring is a copper ring structure. In this embodiment, the physical properties of the copper ring structure are relatively stable, the copper ring structure is not easy to fail after being affected by high temperature, and the copper ring structure has good linearity and stable damping effect, and in addition, the copper ring structure can provide a certain magnetic damping effect, and the copper ring structure is sleeved on the outer side of the coil 33, so that the copper ring structure can also have a certain protection effect on the coil 33.

In some embodiments of the present utility model, as shown in fig. 3, the vibrator assembly further includes a first elastic member and a second elastic member, one end of the first elastic member and one end of the second elastic member are respectively fixedly connected to the housing assembly, and the other end of the first elastic member and the other end of the second elastic member are respectively elastically connected to the mass block 21. In this embodiment, first elastic component and second elastic component are the shell fragment structure, the one end and the shell subassembly rigid coupling of shell fragment structure, the other end and quality piece 21 elastic connection, can hang quality piece 21 in the holding intracavity of shell subassembly, simultaneously because stator module 30 is located between first magnet subassembly 22 and the second magnet subassembly 23 and with the shell subassembly rigid coupling, can produce magnetic drive force to the oscillator subassembly under the circular telegram condition, make the oscillator subassembly carry out reciprocating motion, in this motion, the shell fragment structure can make the oscillator subassembly carry out reciprocating motion, and can carry out certain restraint to the displacement of oscillator subassembly, guarantee vibration effect and dynamics.

Specifically, in this embodiment, as shown in fig. 3, the spring structure further includes a first fixing portion, an elastic portion, and a second fixing portion, two ends of the elastic portion are respectively connected to the first fixing portion and the second fixing portion, the first fixing portion is further connected to the mass 21, and the second fixing portion is further connected to the bottom plate 12. The elastic part further comprises a first elastic part and a second elastic part, the first elastic part and the second elastic part are arranged at an angle, one end of the first elastic part, which is far away from the second elastic part, is connected with the first fixing part, and one end of the second elastic part, which is far away from the first elastic part, is connected with the second fixing part. 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 utility model, as shown in fig. 3, the stator assembly 30 includes a bracket set, a coil 33 and an iron core 32, the bracket set is fixedly connected with the housing assembly, two ends of the iron core 32 are respectively connected with the bracket set, the coil 33 is wound on the outer side of the iron core 32, and the damping ring is sleeved on the outer side of the coil 33. In the present embodiment, the bracket group is configured to support the coil 33 and the iron core 32, and the coil 33 is wound around the outside of the iron core 32 and is electrically connected to an external power source, so that a magnetic field can be generated when the power is applied, and the magnetic field can act on the magnet assembly of the vibrator assembly.

In some embodiments of the present utility model, as shown in fig. 3, the bracket set includes a first bracket 341 and a second bracket 342, and the first bracket 341 and the second bracket 342 are spaced apart and fixedly connected with the housing assembly, respectively. In this embodiment, two support structures are used to fix the iron core 32, so that stability and reliability of the vibration device 100 in the action process can be better improved.

In some embodiments of the present utility model, as shown in fig. 3, the housing assembly includes a cover 11 and a bottom plate 12, the cover 11 has a receiving cavity therein, the receiving cavity has an open end, and the bottom plate 12 is disposed at the open end to close the receiving cavity. In this embodiment, the casing assembly adopts the combined structure of the cover 11 and the bottom plate 12, so that the assembly and disassembly of the vibration device 100 are facilitated, meanwhile, the cover 11 defines the accommodating cavity with the open end, and the bottom plate 12 is arranged at the open end, so that the vibrator assembly and the stator assembly 30 can be sealed, and a certain sealing effect is achieved.

Specifically, as shown in fig. 3, an FPCB121 (printed circuit board) for electrically connecting the coil 33 and external power supply parts is further provided on the base plate 12.

The utility model also provides electronic equipment with the vibration device 100.

Through the electronic equipment in this technical scheme, adopt the integrated configuration of shell subassembly, oscillator subassembly and stator module 30, shell subassembly's holding chamber can hold oscillator subassembly and stator module 30, oscillator subassembly suspension is in the holding intracavity, and stator module 30 sets firmly in oscillator subassembly's magnet subassembly, can produce the relative reciprocating motion of magnetic force between stator module 30 and the oscillator subassembly when stator module 30 circular telegram, and then realize the effect of vibration, secondly, quality piece 21 can play the effect of connection and promotion weight, further promote steadiness and vibration effect, in addition, the outside of stator module 30 still is equipped with the damping ring in the utility model, when oscillator subassembly reciprocating motion, the magnetic induction line that passes the damping ring can change for the damping ring produces reverse electromotive force, play the effect that hinders oscillator subassembly motion, thereby shorten the decline time of motor, better reinforcing vibration experience.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. A vibration device, comprising:

the shell assembly is internally provided with an accommodating cavity;

the vibrator assembly is suspended in the accommodating cavity and comprises a mass block and a magnet assembly, wherein an accommodating space is formed in the mass block, and the magnet assembly is arranged in the accommodating space and distributed on two opposite sides of the accommodating space;

the stator assembly is fixedly arranged in the storage space and is provided with a gap with the magnet assembly, and a damping ring is sleeved on the outer side of the stator assembly.

2. The vibration apparatus of claim 1, wherein the magnet assembly comprises a first magnet assembly and a second magnet assembly, the first magnet assembly and the second magnet assembly being disposed symmetrically on opposite sides of the receiving space, respectively, the stator assembly being disposed between the first magnet assembly and the second magnet assembly.

3. The vibration apparatus of claim 2, wherein the first magnet assembly and the second magnet assembly each comprise a magnet assembly and a magnetically permeable plate disposed on a side of the magnet assembly remote from the stator assembly and coupled to the mass.

4. A vibrating device according to claim 3, wherein the magnet group includes a middle magnet, a first side magnet and a second side magnet, the first side magnet and the second side magnet being provided on both sides of the middle magnet in a vibrating direction, respectively, the first side magnet and the second side magnet being opposite to a magnetizing direction of the middle magnet, respectively.

5. The vibration apparatus of claim 1, wherein the damping ring is a copper ring structure.

6. The vibration apparatus of claim 1, wherein the vibrator assembly further comprises a first elastic member and a second elastic member, one end of the first elastic member and one end of the second elastic member are fixedly connected with the housing assembly, respectively, and the other end of the first elastic member and the other end of the second elastic member are connected with the mass block, respectively.

7. The vibration apparatus of claim 1, wherein the stator assembly comprises a bracket assembly, a coil and an iron core, the bracket assembly is fixedly connected with the housing assembly, two ends of the iron core are respectively connected with the bracket assembly, the coil is wound on the outer side of the iron core, and the damping ring is sleeved on the outer side of the coil.

8. The vibration apparatus of claim 7 wherein the set of brackets includes a first bracket and a second bracket, the first bracket and the second bracket being spaced apart and fixedly connected to the housing assembly, respectively.

9. The vibration apparatus of claim 1 wherein the housing assembly includes a cover having the receiving cavity therein, the receiving cavity having an open end, and a bottom plate disposed at the open end to close the receiving cavity.

10. An electronic device characterized by having a vibration device according to any one of claims 1-9.