CN214381375U

CN214381375U - Speaker and electronic apparatus

Info

Publication number: CN214381375U
Application number: CN202120623733.6U
Authority: CN
Inventors: 方亚辉; 张培; 孙立国
Original assignee: Goertek Inc
Current assignee: Goertek Inc
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-10-08
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses a speaker and electronic equipment, the speaker includes protecgulum, vibration system and magnetic circuit, the protecgulum include the roof and by the roof is buckled downwards and is extended the curb plate that forms, the curb plate with the roof encloses to close and forms the storage tank, the curb plate is equipped with the intercommunication a plurality of perforating holes of storage tank, vibration system locates in the storage tank, magnetic circuit locates the storage tank, just magnetic circuit with the curb plate is connected and is closed with the lid the notch of storage tank. The utility model discloses aim at solving the unable problem that realizes full filling of speaker module, provide one kind and avoid the later stage to adopt the speaker of schemes such as subsides steel mesh, hot melt screen cloth, not only can realize inhaling the full filling of sound granule in the speaker module, processing technology is simpler moreover, promotes the product yield, saves the processing cost.

Description

Speaker and electronic apparatus

Technical Field

The utility model relates to a speaker technical field, in particular to speaker and electronic equipment who uses this speaker.

Background

A speaker is an important acoustic component of a portable electronic device, is used for converting an electric signal and a sound signal, and is an energy conversion device. Along with the miniaturized development of electronic equipment such as cell-phone, the space that electronic equipment left for the speaker is littleer and more, and the speaker module group of little back chamber is more and more strong to the speaker demand that can satisfy full filling, and the scheme that realizes full filling such as other post-attached steel mesh, hot melt screen cloth leads to the fact electronic equipment's whole with high costs, and technical scheme is complicated, and the product yield is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a speaker and electronic equipment aims at solving the unable problem that realizes full filling of electronic equipment, provides one kind and avoids the later stage to adopt the speaker of schemes such as subsides steel mesh, hot melt screen cloth.

In order to achieve the above object, the present invention provides a speaker, including:

the front cover comprises a top plate and a side plate formed by bending and extending the top plate downwards, the side plate and the top plate are enclosed to form an accommodating groove, and the side plate is provided with a plurality of through holes communicated with the accommodating groove;

the vibration system is arranged in the accommodating groove; and

and the magnetic circuit system is arranged in the accommodating groove and is connected with the side plate to cover the notch of the accommodating groove.

In one embodiment, the side plate includes a flange portion and a plurality of side plate portions, the flange portion is bent downward from an edge of the top plate and forms an annular structure, the plurality of side plate portions are formed by extending downward from an end of the flange portion, which is far away from the top plate, and are arranged at intervals, and at least one of the side plate portions is provided with the through hole.

In one embodiment, the flanging part is of a rectangular ring structure, the number of the side plate parts is four, the four side plate parts are respectively formed by downward extending of four edges of the flanging part, and the four side plate parts are arranged in a pairwise opposite mode;

the through holes are formed in two side plate parts which are oppositely arranged in the four side plate parts; or, the through holes are arranged on all four side plate parts;

and/or the top plate, the flanging part and the side plate parts are of an integrally formed structure.

In one embodiment, the side plates comprise a plurality of side plates, each of the side plates is formed by bending and extending the top plate downwards, the side plates are arranged around the periphery of the top plate, and at least one side plate is provided with the through hole;

the top plate and the side plates are of an integrally formed structure.

In one embodiment, the magnetic circuit system comprises a magnetic yoke, and a central magnetic circuit part and a side magnetic circuit part which are arranged on the magnetic yoke, wherein the magnetic yoke covers the notch of the accommodating groove, the central magnetic circuit part and the side magnetic circuit part are arranged on one side of the magnetic yoke facing the top plate, and the side magnetic circuit part is arranged around the central magnetic circuit part and forms a magnetic gap with the central magnetic circuit part;

the periphery of the magnetic guide yoke is welded or bonded with the side plate.

In an embodiment, the speaker further includes a bracket, the bracket is disposed in the accommodating groove and connected to the side magnetic circuit portion;

the vibration system comprises a vibrating diaphragm, and the outer peripheral edge of the vibrating diaphragm is clamped between the side plate and one end, far away from the side magnetic circuit part, of the support.

In one embodiment, the bracket comprises a vertical part and a straight part formed by bending and extending the vertical part inwards, and one side of the straight part, which faces away from the vertical part, is connected with the side magnetic circuit part;

the vibrating diaphragm comprises a dome, a folded ring part arranged around the dome, a connecting part arranged around the folded ring part and a bent part arranged at an included angle with the connecting part;

the connecting portion clamp is located the roof with vertical portion is kept away from between the one end of straight portion, the kink clamp is located the curb plate with between the vertical portion.

In one embodiment, one side of the folded ring part, which is far away from the connecting part, extends to form an inner ring part, and the dome comprises a top wall and two side walls connected with the top wall;

the vibration system further comprises a voice coil, the opposite side surfaces of the top wall are respectively connected with one end of the voice coil and the inner ring part, and the other end of the voice coil is suspended in the magnetic gap;

the loudspeaker further comprises a balance assembly arranged in the accommodating groove, and one end, far away from the top wall, of each side wall is connected with the balance assembly.

In one embodiment, the balancing assembly comprises:

the centering support piece comprises an outer fixing part and two elastic supporting parts connected with the outer fixing part, the outer fixing part is connected with one side of the side magnetic circuit part, which is back to the straight part, and each elastic support is connected with one side wall; and

and one end of each auxiliary vibrating diaphragm is connected with one side of the outer fixing part, which is back to the side magnetic circuit part, and the other end of each auxiliary vibrating diaphragm is connected with one side of the elastic supporting part, which is back to the side wall.

The utility model also provides an electronic equipment, including equipment housing and the aforesaid speaker, equipment housing is equipped with the cavity, the speaker is located in the cavity.

The utility model discloses technical scheme's speaker makes the curb plate be formed by roof bending downward extension through setting up the protecgulum as roof and curb plate, and enclose with the roof and close and form the storage tank, through locating magnetic circuit in the storage tank of protecgulum, make magnetic circuit and curb plate be connected and close the notch of storage tank with the lid, thereby make protecgulum and magnetic circuit enclose and close and form vibration space, and locate vibration system in the storage tank of protecgulum, when in order to realize the protection to vibration system, make vibration system be in vibration space, thereby improve vibration system's vibration effect; simultaneously, through setting up a plurality of perforating holes that communicate the storage tank at the curb plate for vibration space is through a plurality of perforating holes and outside intercommunication, and the chamber leaks behind the realization product, utilizes the curb plate of protecgulum effectively to avoid inhaling in the sound granule gets into the speaker when the speaker module carries out full filling simultaneously, with the acoustic performance of ensureing speaker and electronic equipment. Moreover, compared with the traditional scheme that steel meshes, hot-melt screen cloth and the like are attached behind, the technical scheme is simpler in process, higher in product yield and greatly reduced in production cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a speaker according to an embodiment of the present invention;

fig. 2 is a schematic structural view of another view angle of the speaker according to an embodiment of the present invention;

fig. 3 is an exploded view of a speaker according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a speaker according to an embodiment of the present invention;

fig. 5 is a schematic partial cross-sectional view of a speaker according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a front cover according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a front cover according to another embodiment of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Loudspeaker	3a	Magnetic gap
1	Front cover	31	Magnetic conductive yoke
				1a	Containing groove	32	Central magnetic circuit part
11	Top board	321	Center magnet
				12	Side plate	322	Central washer
121	Through hole	33	Side magnetic circuit part
				122	Flanging part	331	Edge magnet
123	Side plate part	332	Side washer
				13	Groove structure	3321	Mounting part
2	Vibration system	3322	Annular washer part
				21	Vibrating diaphragm	3323	Gap
211	Ball top	4	Support frame
				212	Folded ring part	41	Vertical part
213	Connecting part	42	Straight part
				214	A bent part	5	Balancing assembly
215	Opening of the container	51	Centering support plate
				216	Roof wall	511	External fixing part
217	Side wall	512	Elastic support part
				22	Voice coil	52	Auxiliary vibrating diaphragm
221	Lead wire	6	Dust-proof net
				3	Magnetic circuit system

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Also, the meaning of "and/or" and/or "appearing throughout is meant to encompass three scenarios, exemplified by" A and/or B "including scenario A, or scenario B, or scenarios where both A and B are satisfied.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Based on the above-mentioned considerations and problems, the present invention provides a loudspeaker 100. It is understood that the speaker 100 is applied to an electronic device, and the electronic device may be a mobile phone, a sound box, a computer, a headset, a watch, a television, or a tablet computer, and the like, and is not limited herein.

Referring to fig. 1 to 7, in an embodiment of the present invention, the speaker 100 includes a front cover 1, a vibration system 2 and a magnetic circuit system 3, wherein the front cover 1 includes a top plate 11 and a side plate 12 formed by bending and extending the top plate 11 downward, the side plate 12 and the top plate 11 enclose a containing groove 1a, the side plate 12 is provided with a plurality of through holes 121 communicating with the containing groove 1a, the vibration system 2 is disposed in the containing groove 1a, the magnetic circuit system 3 is disposed in the containing groove 1a, and the magnetic circuit system 3 is connected to the side plate 12 to cover a notch of the containing groove 1 a.

In the present embodiment, the front cover 1 is used for mounting, supporting and fixing the vibration system 2 and the magnetic circuit system 3, and the front cover 1 provides a mounting base for the vibration system 2, the magnetic circuit system 3 and other components. It can be understood that the front cover 1 includes a top plate 11 and side plates 12, the top plate 11 of the front cover 1 may be a plate-shaped structure, and the side plates 12 are formed by bending and extending the top plate 11 downward, so that the side plates 12 and the top plate 11 enclose the accommodating groove 1 a.

It will be appreciated that the side plates 12 may be of annular plate construction disposed around the edge of the top plate 11. Of course, the side plate 12 may be a plurality of plate-like structures arranged at intervals and arranged around the edge of the top plate 11, which is not limited herein. Alternatively, the top plate 11 and the side plates 12 of the front cover 1 are of an integrally formed structure, so that the structural strength of the front cover 1 can be improved.

In order to improve the structural strength of the speaker 100, the front cover 1 may be selected as a metal member. In this embodiment, providing the front cover 1 as a metal member not only improves the structural strength of the speaker 100, but also effectively improves the heat dissipation performance of the speaker 100.

In this embodiment, the vibration system 2 is disposed in the accommodating groove 1a, and the magnetic circuit system 3 is disposed at the notch of the accommodating groove 1a and connected to the side plate 12 to cover the notch of the accommodating groove 1a, so that the vibration system 2 is located in the vibration space formed by the front cover 1 and the magnetic circuit system 3, and is disposed opposite to the magnetic circuit system 3. In this way, the vibration system 2 vibrates in the magnetic field formed by the magnetic circuit system 3 to realize the conversion between the electric signal and the sound signal.

The utility model discloses a loudspeaker 100 is through setting up protecgulum 1 to roof 11 and curb plate 12, make curb plate 12 by roof 11 downward bending extension form, and enclose with roof 11 and close and form storage tank 1a, through locating magnetic circuit 3 in storage tank 1a of protecgulum 1, make magnetic circuit 3 be connected with curb plate 12 in order to cover the notch of closing storage tank 1a, thereby make protecgulum 11 and magnetic circuit 3 enclose and close and form the vibration space, and locate vibration system 2 in storage tank 1a of protecgulum 1, when realizing the protection to vibration system 2, make vibration system 2 be in the vibration space, thereby improve the vibration effect of vibration system 2; simultaneously, through set up a plurality of perforating holes 121 that communicate storage tank 1a at curb plate 12 for vibration space is through a plurality of perforating holes 121 and outside intercommunication, realizes the product rear chamber and leaks, utilizes the curb plate 12 of protecgulum 1 effectively to avoid inhaling the sound granule entering speaker 100 when the speaker module carries out the full filling simultaneously, in order to ensure speaker 100 and electronic equipment's acoustic performance.

In an embodiment, the side plate 12 includes a flanging portion 122 and a plurality of side plate portions 123, the flanging portion 122 is bent downward from the edge of the top plate 11 and forms an annular structure, the plurality of side plate portions 123 are formed by extending downward from one end of the flanging portion 122 away from the top plate 11 and are disposed at intervals, and at least one side plate portion 123 is provided with a through hole 121.

It can be understood that, as shown in fig. 1 to 4, 6 and 7, by arranging the side plate 12 as the flanging part 122 and the plurality of side plate parts 123, the flanging part 122 is bent downward from the edge of the top plate 11 and forms an annular structure, that is, the flanging part 122 is an annular structure arranged around the edge of the top plate 11, and the plurality of side plate parts 123 are formed by extending downward from one end of the flanging part 122 away from the top plate 11 and are arranged at intervals, that is, the extending direction of the flanging part 122 is the same as the extending direction of the plurality of side plate parts 123, and optionally, the flanging part 122 and the side plate parts 123 are in the same plane.

With this arrangement, the structural strength of the front cover 1 is effectively improved, and the gap between the two adjacent side plate portions 123 is used for avoiding or limiting other components of the speaker 100, thereby further improving the structural stability of the speaker 100.

In an embodiment, the flange portion 122 is a rectangular ring structure, the number of the side plate portions 123 is four, the four side plate portions 123 are respectively formed by extending four edges of the flange portion 122 downwards, and the four side plate portions 123 are arranged opposite to each other in pairs.

As shown in fig. 6 and 7, the top plate 11 of the front cover 1 is provided in a rectangular shape, and thus the burring portion 122 may be a rectangular ring structure. Alternatively, the side plate portions 123 include four, and in this case, the four side plate portions 123 are formed by extending four sides of the burring portion 122 downward, respectively. In order to make the structure of the speaker 100 more regular, two side plates 123 of the four side plates 123 are disposed oppositely and symmetrically. Alternatively, the top plate 11, the burring part 122, and the plurality of side plate parts 123 are integrally formed, so that the structural strength and stability of the front cover 1 can be improved.

In one embodiment, as shown in fig. 6, two opposite side plates 123 of the four side plates 123 are provided with through holes 121. It can be understood that the through holes 121 on the two side plate parts 123 which are symmetrically arranged can be used for realizing air flow circulation, and the leakage amount is increased.

In another embodiment, as shown in fig. 7, in order to further increase the leakage amount, optionally, the four side plate portions 123 are each provided with a through hole 121. Of course, in other embodiments, one, two, three, or four side plate portions 123 of the four side plate portions 123 may be provided with the through holes 121, which is not limited herein.

It can be understood that, in order to shield the sound-absorbing particles from entering the speaker 100 by the side plate 12 of the front cover 1, and to communicate the inside and the outside of the speaker 100 to improve the acoustic performance of the speaker 100 and the electronic device, in the present embodiment, the aperture of the through hole 121 is smaller than that of the sound-absorbing particles.

In another embodiment, the side plate 12 includes a plurality of side plates 12, each of the plurality of side plates 12 is formed by bending and extending the top plate 11 downward, the plurality of side plates 12 are disposed around the periphery of the top plate 11, and at least one of the side plates 12 is provided with a through hole 121.

It will be appreciated that the plurality of side plates 12 are spaced apart, i.e. there is a gap or gap between two adjacent side plates 12, and the plurality of side plates 12 are disposed around the periphery of the top plate 11. Optionally, at least one side plate 12 of the plurality of side plates 12 is provided with a through hole 121. Of course, in other embodiments, the side plates 12 may be provided with through holes 121, which is not limited herein. Alternatively, the top plate 11 and the plurality of side plates 12 are of an integrally formed structure.

In a specific example of the present invention, the top plate 11 may be formed in a rectangular shape, the front cover 1 may include four side plates 12, each side plate 12 is formed by bending and extending one straight edge of the top plate 11 downward, at least one side plate 12 is provided with a plurality of through holes 121 distributed at intervals, and the inner diameter of each through hole 121 is smaller than the outer diameter of the sound-absorbing particles.

In one embodiment, the magnetic circuit system 3 includes a magnetic yoke 31, and a central magnetic circuit portion 32 and a side magnetic circuit portion 33 which are disposed on the magnetic yoke 31, the magnetic yoke 31 covers the notch of the accommodating groove 1a, the central magnetic circuit portion 32 and the side magnetic circuit portion 33 are disposed on a side of the magnetic yoke 31 facing the top plate 11, and the side magnetic circuit portion 33 is disposed around the central magnetic circuit portion 32 and forms a magnetic gap 3a with the central magnetic circuit portion 32; the peripheral edge of the yoke 31 is welded or bonded to the side plate 12.

As shown in fig. 3 and 4, the central magnetic path portion 32 and the side magnetic path portion 33 of the magnetic circuit system 3 are provided in the yoke 31, and the side magnetic path portion 33 is provided around the central magnetic path portion 32 to form a magnetic gap 3a with the central magnetic path portion 32.

It can be understood that the central magnetic circuit portion 32 of the magnetic circuit system 3 includes a central magnet 321 and a central washer 322, and the central magnet 321 is sandwiched between the magnetic yoke 31 and the central washer 322. The side magnetic circuit portion 33 includes a side magnet 331 and a side washer 332, and the side magnet 331 is interposed between the yoke 31 and the side washer 332.

In the present embodiment, the peripheral edge of the magnetic yoke 31 and the side plate 12 of the front cover 1 may be connected by laser welding or by adhesive bonding, or may be connected by other connection methods, such as snap connection, plug fit, screw connection, or pin connection, which are not limited herein.

It will be appreciated that the central magnet 321 and the central washer 322 are identical in their structural profile, and that the central magnet 321 and the central washer 322 may alternatively be of plate-like construction. The edge magnet 331 and the edge washer 332 have the same structural contour, and the edge magnet 331 and the edge washer 332 may have a ring structure. The edge magnets 331 and the edge washers 332 may also be provided in a bar structure, which is not limited herein.

In an embodiment, the speaker 100 further includes a bracket 4, the bracket 4 is disposed in the accommodating groove 1a and connected to the side magnetic circuit portion 33; the vibration system 2 includes a diaphragm 21, and an outer peripheral edge of the diaphragm 21 is sandwiched between the side plate 12 and an end of the bracket 4 away from the side magnetic circuit portion 33.

It can be understood that, as shown in fig. 3 to 5, the fixed mounting of the diaphragm 21 is achieved by disposing the bracket 4 in the accommodating groove 1a such that the bracket 4 and the side plate 12 of the front cover 1 clamp the outer peripheral edge of the diaphragm 21. Optionally, the front cover 1 and the bracket 4 are made of metal material to form a metal piece, and the front cover 1 and the bracket 4 may be connected and fixed by welding or bonding. In order to further enhance the structural strength of the speaker 100, the front cover 1 and the bracket 4 are optionally connected into a whole by welding.

In this embodiment, the periphery of the diaphragm 21 of the vibration system 2 is sandwiched between the side plate 12 of the front cover 1 and the bracket 4, so that the front cover 1 and the bracket 4 improve the mounting stability of the diaphragm 21 and effectively improve the waterproof performance of the speaker 100. It is understood that the periphery of the diaphragm 21 may be fixedly connected to the side plate 12 and the bracket 4 of the front cover 1 by waterproof glue.

It can be understood that the magnetic circuit system 3 is disposed opposite to the diaphragm 21 of the vibration system 2, and the support 4 is connected to the periphery of the side magnetic circuit 33 of the magnetic circuit system 3 in order to improve the connection stability and the structural strength of the front cover 1 and the support 4 with the magnetic circuit system 3. In this embodiment, the support 4 may be connected to the periphery of the side magnetic path 33 of the magnetic circuit system 3 by welding or bonding, which is not limited herein. In order to effectively improve the structural strength and the assembly precision of the loudspeaker 100, the bracket 4 and the magnetic circuit system 3 are optionally connected into a whole by welding.

Through setting the protecgulum 1 and the support 4 as the metalwork, make the periphery of the vibrating diaphragm 21 of vibration system 2 press from both sides and locate between protecgulum 1 and the support 4, and utilize the curb plate 12 of protecgulum 1 and the peripheral connection of magnetic yoke 31 of magnetic circuit 3, and utilize the support 4 to be connected with the limit magnetic circuit 33 of magnetic circuit 3, thereby effectively improve the structural strength of product, and utilize metal texture protecgulum 1 and support 4 to improve the heat dispersion of speaker 100, and utilize support 4 and magnetic circuit 3 to be connected, effectively improved the assembly precision of magnetic circuit 3. The utility model provides a speaker 100 not only structural strength is high, and the assembly precision is high, and heat dispersion is good, has effectively improved the acoustic performance and the reliability of product.

In one embodiment, the bracket 4 includes a vertical portion 41 and a straight portion 42 formed by bending and extending the vertical portion 41 inward, and a side of the straight portion 42 facing away from the vertical portion 41 is connected to the side magnetic path portion 33; the diaphragm 21 includes a dome 211, a ring-folded portion 212 disposed around the dome 211, a connection portion 213 disposed around the ring-folded portion 212, and a bending portion 214 disposed at an angle with the connection portion 213; the connecting portion 213 is interposed between the top plate 11 and one end of the vertical portion 41 away from the straight portion 42, and the bent portion 214 is interposed between the side plate 12 and the vertical portion 41.

In an embodiment, the side magnetic circuit portion 33 includes a side magnet 331 and a side washer 332 disposed on the magnetic yoke 31, the side washer 332 includes an installation portion 3321 and an annular washer portion 3322 integrally disposed, the installation portion 3321 is welded to the straight portion 42, the annular washer portion 3322 is disposed inside the installation portion 3321 and is correspondingly connected to a side of the side magnet 331 facing away from the magnetic yoke 31, and the annular washer portion 3322 and the installation portion 3321 enclose two gaps 3323 disposed oppositely.

As shown in fig. 3 and 4, the side magnetic circuit portion 33 includes a side magnet 331 and a side washer 332, and the side washer 332 is provided as an integrated mounting portion 3321 and an annular washer portion 3322, so that the mounting portion 3321 can be welded to the straight portion 42, and the annular washer portion 3322 can be correspondingly connected to the side of the side magnet 331 opposite to the magnetic yoke 31, that is, the side magnet 331 is sandwiched between the magnetic yoke 31 and the annular washer portion 3322, thereby realizing the connection and fixation of the magnetic circuit system 3.

Optionally, the edge magnet 331 and the annular washer portion 3322 have the same structural contour, and the edge magnet 331 and the annular washer portion 3322 may have an annular structure. Of course, the edge magnet 331 may be configured as a bar structure, which is not limited herein. In this embodiment, the annular washer portion 3322 and the mounting portion 3321 are integrally formed and made of metal, thereby improving the heat conduction and dissipation effects.

It can be appreciated that the annular washer portion 3322 is disposed on the inner side of the mounting portion 3321, and the annular washer portion 3322 and the mounting portion 3321 enclose two oppositely disposed gaps 3323. In the present embodiment, the annular washer portion 3322 is connected to the mounting portion 3321 by a connecting portion, and forms a gap 3323 with the mounting portion 3321.

As shown in fig. 4 and fig. 5, in an embodiment, the central portion of the diaphragm 21 is a dome 211, the corrugated portion 212 is disposed around the dome 211, and the connecting portion 213 is connected to a side of the corrugated portion 212 away from the dome 211 and disposed around the corrugated portion 212. It can be understood that, by providing the bent portion 214 at an included angle with the connecting portion 213 at the edge position of the diaphragm 21, the bent portion 214 is utilized to connect with the side plate 12 of the front cover 1 and the vertical portion 41 of the bracket 4, so as to increase the contact area, thereby improving the connection strength and the structural strength, and simultaneously, the effective vibration area of the diaphragm 21 is increased, so as to improve the acoustic performance of the speaker 100.

It can be understood that the top 211 and the connecting portion 213 of the diaphragm 21 are located on the same plane, and the bending portion 214 and the connecting portion 213 of the diaphragm 21 are disposed at an included angle. Alternatively, the extending direction of the bending part 214 is perpendicular to the plane of the connecting part 213.

In the present embodiment, the top plate 11 and the side plate 12 of the front cover 1 are disposed at an angle. Optionally, the top plate 11 is disposed perpendicular to the side plate 12. It will be appreciated that the upright portion 41 and the flat portion 42 of the bracket 4 are angled. Alternatively, the vertical portion 41 is perpendicular to the straight portion 42. So set up to make the kink 214 of vibrating diaphragm 21 can laminate more and abundant butt with curb plate 12 and vertical portion 41, thereby effectively increase area of contact, waterproof performance is better.

It can be understood that, in order to further improve the connection sealing performance between the diaphragm 21 and the front cover 1 and the support 4, at least one side surface of the bent portion 214 of the diaphragm 21 is provided with a waterproof glue layer, so that the bent portion 214 is connected with the front cover 1 or the support 4 in a sealing manner through the waterproof glue layer. Optionally, two opposite sides of the bending portion 214 are provided with a waterproof glue layer, so that the two opposite sides of the bending portion 214 are connected with the front cover 1 and the bracket 4 in a sealing manner through the waterproof glue layer.

In the present embodiment, the top plate 11 of the front cover 1 is disposed opposite to the dome 211, the ring-folded portion 212 and the connecting portion 213 of the diaphragm 21. To further improve the structural strength and the connection stability, the connection portion 213 is interposed between the top plate 11 and one end of the vertical portion 41 remote from the straight portion 42. It is understood that the bracket 4 may be a ring structure, and the vertical portion 41 of the bracket 4 is a ring or a cylindrical structure with two open ends, which is not limited herein. The straight portion 42 of the bracket 4 is formed by bending and extending the vertical portion 41 inwards, so that the bracket 4 is conveniently connected and fixed with the side magnetic circuit portion 33 of the magnetic circuit system 3 through the straight portion 42.

It is understood that the straight portion 42 of the bracket 4 and the side magnetic circuit portion 33 of the magnetic circuit system 3 may be connected by welding or bonding. Alternatively, the straight portion 42 of the bracket 4 and the side magnetic circuit portion 33 of the magnetic circuit system 3 are integrally connected by welding.

In this embodiment, support 4 is the rectangle setting, and four straight flange departments of support 4 are equipped with the straight portion 42 of outside extension, and the straight portion 42 of accessible and the installation department 3321 of side washer 332 are connected fixedly like this to improve connection stability and structural strength. The edge washer 332 of the magnetic circuit system 3 is provided with a metal piece, so that on one hand, the magnetic circuit system 3 is favorably and fixedly connected with the straight part 42 of the bracket 4 through the edge washer 332; on the other hand, heat dissipation of the speaker 100 is facilitated. It will be appreciated that the rim washer 332 is made of a metal material.

Optionally, the mounting portion 3321 of the edge washer 332 is welded to the side of the straight portion 42 opposite to the vertical portion 41, so that the connection stability and the connection strength between the magnetic circuit system 3 and the bracket 4 can be improved, and the assembly precision of the magnetic circuit system 3 can be improved, which is not limited herein.

In this embodiment, the side washer 332 is configured as two parts, i.e., the mounting portion 3321 and the annular washer portion 3322, so that the annular washer portion 3322 is disposed inside the mounting portion 3321 and surrounds the mounting portion 3321 to form two gaps 3323 which are oppositely disposed, and thus, when the side washer 332 is fixedly connected to the straight portion 42 of the bracket 4 through the mounting portion 3321, the annular washer portion 3322 of the side washer 332 is further facilitated to be matched with the side magnet 331 of the magnetic circuit system 3 to form the side magnetic circuit portion 33.

It can be understood that, as shown in fig. 3, the annular washer portion 3322 of the rim washer 332 is in an annular structure, the annular washer portion 3322 is located inside the mounting portion 3321, and the outer edge of the annular washer portion 3322 and the inside of the mounting portion 3321 enclose to form a gap 3323, so that an avoiding space is provided for mounting other components of the loudspeaker 100, and space utilization is provided.

Optionally, the dome 211, the loop part 212, the connection part 213, and the bending part 214 of the diaphragm 21 are an integrally molded structure. It can be understood that such an arrangement is beneficial to improve the structural strength of the diaphragm 21 and to simplify the processing of the diaphragm 21. Of course, in other embodiments, the dome 211 of the diaphragm 21 and the corrugated portion 212, the connecting portion 213 and the bending portion 214 of the diaphragm 21 are separately disposed, that is, the corrugated portion 212, the connecting portion 213 and the bending portion 214 of the diaphragm 21 are integrally formed, and the dome 211 is separately disposed.

In one embodiment, the dome 211 of the diaphragm 21 may be a reinforcing portion, such that the reinforcing portion is connected to an inner ring portion inside the corrugated portion 212. That is, the central portion of the diaphragm 21 includes an inner ring portion formed with an opening, that is, the bending ring portion 212 is disposed around the inner ring portion, the inner ring portion encloses the opening, and the reinforcing portion covers the opening enclosed by the inner ring portion and is bonded or welded to the inner ring portion, which is not limited herein. Of course, the dome 211 may be a flat plate structure or a hollow structure, which is not limited herein.

It is understood that the hinge portion 212 may be a convex structure or a concave structure, which is not limited herein. Connecting portion 213 is formed by the outside limit of the bending ring portion 212 outwards extending, and bending portion 214 is formed by the outside limit of connecting portion 213 downwards extending to make things convenient for the vertical portion 41 fixed connection with curb plate 12 of protecgulum 1 and support 4, so reduced the fixed area of vibrating diaphragm 21 in the horizontal direction, thereby effectively improved the effective vibration area of vibrating diaphragm 21, promoted speaker 100's acoustic performance.

Alternatively, the top plate 11 and the side plate 12 of the front cover 1 are of an integrally formed structure. It can be understood that such an arrangement is beneficial to improve the structural strength of the front cover 1 on one hand and to simplify the processing technology of the front cover 1 on the other hand. In the present embodiment, the top plate 11 and the side plate 12 of the front cover 1 are made of metal materials, that is, the top plate 11 and the side plate 12 of the front cover 1 are integrally formed by metal materials, which is not limited herein.

Alternatively, the vertical portion 41 and the flat portion 42 of the bracket 4 are of an integrally molded structure. It can be understood that such an arrangement is beneficial to improving the structural strength of the bracket 4 on the one hand and simplifying the processing technology of the bracket 4 on the other hand. In the present embodiment, the vertical portion 41 and the straight portion 42 of the bracket 4 are both made of metal, that is, the vertical portion 41 and the straight portion 42 of the bracket 4 are integrally formed by metal, which is not limited herein.

In one embodiment, one side of the corrugated portion 212 away from the connecting portion 213 extends to form an inner ring portion, and the dome 211 includes a top wall 216 and two side walls 217 connected to the top wall 216; the vibration system 2 further comprises a voice coil 22, two opposite surfaces of the top wall 216 are respectively connected with one end and an inner ring part of the voice coil 22, and the other end of the voice coil 22 is suspended in the magnetic gap 3 a; the speaker 100 further includes a balance member 5 disposed in the accommodating groove 1a, and an end of each side wall 217 away from the top wall 216 is connected to the balance member 5.

As shown in fig. 3 to 5, the inner side of the folded ring portion 212 extends in a direction away from the connecting portion 213 to form an inner ring portion, the inner ring portion surrounds and forms an opening 215, a top wall 216 of the dome 211 is disposed corresponding to the opening 215 of the inner ring portion, and a periphery of the inner ring portion is connected to the top wall 216. In this embodiment, one end of the voice coil 22 is connected to the top wall 216, and the other end is suspended in the magnetic gap 3a of the magnetic circuit system 3, so that the voice coil 22 realizes heat dissipation through the top wall 216 of the dome 211, thereby effectively improving heat dissipation performance. It will be appreciated that each sidewall 217 extends into a gap 3323 and is connected to the balance assembly 5 through the gap 3323.

In this embodiment, when the voice coil 22 is conducted with the external circuit, the voice coil 22 is utilized to transmit the electric energy to the magnetic gap 3a of the magnetic circuit system 3, so that the magnetic field generated by the magnetic circuit system 3 converts the electric energy into mechanical energy, the voice coil 22 vibrates, the vibrating diaphragm 21 of the vibrating system 3 is driven to realize vibration and sound production, and the mechanical energy is further converted into sound energy. That is, after the voice coil 22 disposed in the magnetic gap 3a receives an externally varying alternating current signal, the voice coil is driven by the magnetic field force of the magnetic circuit system 3 to perform a reciprocating motion of cutting the magnetic lines of force, so as to drive the diaphragm 21 of the vibration system 3 to vibrate and generate sound.

It can be understood that, balance assembly 5 locates in storage tank 1a to correspond the setting of clearance 3323, and balance assembly 5's one end and installation department 3321 are connected, and the other end is connected with lateral wall 217, thereby utilizes the dome 211 to transmit the vibration of vibrating diaphragm 21 to balance assembly 5, so utilize balance assembly 5 balance vibrating diaphragm 21 to remove the vibration other swing circumstances in the direction, thereby restrain polarization's emergence, effectively improve speaker 100's acoustic performance.

Optionally, the top wall 216 of the dome 211 is a plate-like structure, and the top wall 216 may be rectangular or oval. The top wall 216 in this embodiment is illustrated as being rectangular. After the periphery of the top wall 216 is connected to the inner ring portion of the dome 211 of the diaphragm 21, at least a portion of the top wall 216 of the dome 211 is exposed to the opening of the dome 211, so as to effectively improve the heat dissipation performance of the dome 211.

In one embodiment, the dome 211 further comprises a connection pad extending downward from the inner side of the top wall 216, and the connection pad is connected to an end of the voice coil 22 away from the magnetic gap 3 a. It can be understood that, by providing the connection pad on the inner side of the top wall 216, the connection pad is connected to the end of the voice coil 22 away from the magnetic gap 3a, so as to improve the connection stability of the voice coil 22, and at the same time, the top and bottom vibrations of the voice coil 22 are transmitted to the diaphragm 21 and the balance assembly 5 by the ball top 211, which effectively improves the acoustic performance of the speaker 100.

In one embodiment, the balance assembly 5 includes a centering plate 51 and two auxiliary diaphragms 52, wherein the centering plate 51 includes an outer fixing portion 511 and two elastic supporting portions 512 connected to the outer fixing portion 511, the outer fixing portion 511 is connected to a side of the side magnetic circuit portion 33 facing away from the straight portion 42, each elastic supporting is connected to a side wall 217, one end of each auxiliary diaphragm 52 is connected to a side of the outer fixing portion 511 facing away from the side magnetic circuit portion 33, and the other end is connected to a side of one elastic supporting portion 512 facing away from the side wall 217.

It is understood that the outer fixing portion 511 is connected to a side of the mounting portion 3321 facing away from the flat portion 42, each of the elastic supporting portions 512 is disposed corresponding to a gap 3323 and connected to a side wall 217, each of the auxiliary diaphragms 52 is disposed corresponding to a gap 3323, one end of each of the auxiliary diaphragms 52 is connected to a side of the outer fixing portion 511 facing away from the mounting portion 3321, and the other end is connected to a side of the elastic supporting portion 512 facing away from the side wall 217.

In this embodiment, as shown in fig. 3 to 5, the centering branch piece 51 is disposed as the outer fixing portion 511 and the elastic supporting portion 512, such that one end of the elastic supporting portion 512 is connected to the outer fixing portion 511, and the other end of the elastic supporting portion 512 is disposed corresponding to the gap 3323 and is bent, thereby effectively improving the deformation performance of the elastic supporting portion 512.

Alternatively, the outer fixing portion 511 may be a rectangular ring, that is, the entire structure of the centering leg 51 is a rectangular ring, which is not limited herein. The centering stay 51 is described by taking a rectangular ring as an example. The outer fixing portion 511 of the centering branch piece 51 includes two opposite long sides and two opposite short sides, the two long sides and the two short sides of the outer fixing portion 511 are sequentially connected and enclosed to form a rectangular ring structure, at this time, the two elastic support portions 512 are located inside the outer fixing portion 511, and the two elastic support portions 512 may be oppositely disposed on the two long sides or the two short sides of the outer fixing portion 511, which is not limited herein. Alternatively, the elastic supporting portion 512 and the outer fixing portion 511 are located in the same plane.

In this embodiment, the outer fixing portion 511 and the two elastic supporting portions 512 are integrally formed. It can be understood that such an arrangement is beneficial to the manufacturing of the centralizer sheets 51 while effectively improving the structural strength of the centralizer sheets 51. Of course, in other embodiments, the outer fixing portion 511 of the stiffener 51 may be disposed separately from the elastic support portion 512 by a connecting segment, for example, fixed integrally by gluing, and the like, which is not limited herein.

In one embodiment, as shown in fig. 3 and 4, the auxiliary diaphragm 52 includes two, the dome 211 includes two sidewalls 217 symmetrically disposed, and one auxiliary diaphragm 52 is disposed corresponding to one sidewall 217.

In the present embodiment, by providing the balance member 5 including the damper 51 and the auxiliary diaphragm 52, the outer fixing portion 511 of the damper 51 and the mounting portion 3321 can be fixedly connected by welding, bonding, or the like, thereby improving the mounting stability of the damper 51. The elastic support part 512 of the centering support plate 51 is connected with the side wall 217 of the dome 211 in the gap 3323, so that the dome 211 is connected with the balance component 5 and the diaphragm 21, and the diaphragm 21 swings in the vibration direction when the balance component 5 is used for balancing the vibration of the voice coil 22, thereby improving the acoustic performance of the loudspeaker 100.

It can be understood that the auxiliary diaphragm 52 includes a folded ring portion and connecting portions disposed on two opposite sides of the folded ring portion, so that the two connecting portions deviate from the extension, and thus a connecting portion of the auxiliary diaphragm 52 is connected with the outer fixing portion 511 of the centering branch piece 51, and the connection stability of the auxiliary diaphragm 52 is improved. Another connecting portion of the auxiliary diaphragm 52 is connected to the side wall 217 of the elastic supporting portion 512 of the centering support 51 and the ball top 211 in the gap 3323, so that the vibration of the diaphragm 21 is transmitted to the auxiliary diaphragm 52 by the ball top 211, the swing condition of the vibration system 3 is improved by the auxiliary diaphragm 52, the left-right swing of the diaphragm 21 in the vibration process is avoided, and the sound production effect is influenced.

In order to facilitate the auxiliary diaphragm 52 and the centering support 51 to cooperate to balance the vibration and swing of the diaphragm 21, the side wall 217 of the top 211, which is far from the end of the diaphragm 21 and extends into the gap 3323, may be connected to the auxiliary diaphragm 52.

In an embodiment, the stiffener 51 may be an FPCB, and the stiffener 51 further includes a pad structure, and the pad structure is connected to the elastic support 512; the leads 221 of the voice coil 22 are conductively connected to the pad structure along the top wall 216, the side walls 217.

In the present embodiment, the pad structure is connected to the elastic supporting portion 512, so that the connection between the damper 51 and the lead 221 of the voice coil 22 of the speaker 100 is facilitated through the pad of the pad structure during operation, and thus the voice coil 22 is facilitated to be conducted to an external circuit.

In another embodiment, the dome 211 is provided with a conductive trace extending along the top wall 216 and the side wall 217, and the lead 221 of the voice coil 22 can also be electrically connected to the centering pad 51 through the conductive trace. It will be appreciated that the arrangement is such that the voice coil 22 is connected to external circuitry via the dome 211 and the spider 51. Optionally, the dome 211 is made of a metal material, and the metal material of the dome 211 is one of aluminum, aluminum magnesium alloy, aluminum lithium alloy, and titanium alloy. Of course, in other embodiments, the dome 211 may also be made of rigid plastic, carbon fiber, etc., and is not limited herein.

In one embodiment, as shown in fig. 3, the voice coil 22 is provided with leads 221, and the leads 221 are attached to the top wall 216 and the side wall 217 and connected to the balance assembly 5.

It can be understood that the lead 221 of the voice coil 22 is routed along the inner wall of the dome 211, that is, the lead 221 is disposed along the inner walls of the top wall 216 and the side wall 217 of the dome 211 and connected to the balance member 5, so as to be conducted with an external circuit through the balance member 5, and thus the arrangement does not occupy a magnetic field space, can maximize the magnetic field space, and improve the acoustic performance of the speaker 100.

In one embodiment, as shown in fig. 3 and 4, the dome 211 is formed with an annular opening 215, and a portion of the top wall 216 is exposed to the opening 215 and protrudes toward a side of the top plate 11. It will be appreciated that such an arrangement is advantageous to increase the vibration space and thus improve the acoustic performance of the loudspeaker 100.

In an embodiment, as shown in fig. 3 and 4, a portion of the top plate 11 corresponding to the ball top 211 protrudes upward in a direction away from the ball top 211, and a groove structure 13 is formed, where the groove structure 13 is a hollow structure. As can be appreciated. So configured, it is beneficial to increase the vibration space, thereby improving the acoustic performance of the loudspeaker 100.

The utility model discloses a speaker 100 is through setting up perforating hole 121 on curb plate 12 of protecgulum 1 for the speaker module can realize inhaling the full filling of sound granule, brings higher acoustic performance, and makes the processing technology of protecgulum 1 more simple, improves product production efficiency and processing procedure yield, and has saved later stage subsides steel mesh, hot melt screen cloth etc. and effectively the cost is reduced.

In an embodiment, the speaker module can include the module casing and the utility model provides a speaker 100, speaker 100 establish in the module casing and separate into preceding sound chamber and back sound chamber with the inner chamber in the module casing, can the filling in the back sound chamber inhale the bass performance of sound granule in order to promote the speaker module. Speaker 100 is through setting up perforating hole 121 on the curb plate 12 of protecgulum 1, can realize the full filling of the sound granule of inhaling of speaker module rear chamber, and the technology is simpler, has saved manufacturing cost greatly.

The utility model also provides an electronic equipment, this electronic equipment include equipment casing and foretell speaker 100, and equipment casing is equipped with the cavity, and speaker 100 locates in the cavity. The specific structure of the speaker 100 refers to the foregoing embodiments, and since the electronic device adopts all technical solutions of all the foregoing embodiments, at least all beneficial effects brought by the technical solutions of the foregoing embodiments are achieved, and no further description is given here.

In this embodiment, a cavity is provided in the housing, and the speaker 100 is provided in the cavity. It is understood that the electronic device may be a mobile phone, a sound box, a computer, a headset, a watch, a television, a tablet computer, or the like, and is not limited herein.

The above is only the optional embodiment of the present invention, and not therefore the limit to the patent scope of the present invention, all the concepts of the present invention utilize the equivalent structure transformation of the content of the specification and the attached drawings, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A loudspeaker, characterized in that the loudspeaker comprises:

the vibration system is arranged in the accommodating groove; and

2. The loudspeaker of claim 1, wherein said side panel includes a flange portion extending from an edge of said top panel and bent downward to form a ring-shaped structure, and a plurality of side panel portions extending from an end of said flange portion away from said top panel and spaced apart from each other, at least one of said side panel portions being provided with said through-holes.

3. The speaker of claim 2, wherein said flange portion has a rectangular ring structure, said side plate portions include four, four of said side plate portions are respectively formed by four edges of said flange portion extending downward, and said four side plate portions are arranged opposite to each other in pairs;

4. The loudspeaker of claim 1, wherein the side plates comprise a plurality of side plates, each of the plurality of side plates is formed by bending and extending the top plate downwards, the plurality of side plates are arranged around the periphery of the top plate, and at least one of the side plates is provided with the through hole;

the top plate and the side plates are of an integrally formed structure.

5. The speaker according to any one of claims 1 to 4, wherein the magnetic circuit system includes a yoke, and a central magnetic circuit portion and a side magnetic circuit portion provided in the yoke, the yoke covering the notch of the accommodating groove, the central magnetic circuit portion and the side magnetic circuit portion being provided on a side of the yoke facing the top plate, the side magnetic circuit portion being provided around the central magnetic circuit portion and forming a magnetic gap with the central magnetic circuit portion;

6. The speaker of claim 5, further comprising a bracket disposed in the accommodating groove and connected to the side magnetic circuit portion;

7. The loudspeaker according to claim 6, wherein the bracket comprises a vertical part and a straight part formed by bending and extending the vertical part inwards, and one side of the straight part, which faces away from the vertical part, is connected with the side magnetic circuit part;

8. The loudspeaker of claim 7, wherein the side of the folded ring part away from the connecting part extends to form an inner ring part, and the dome comprises a top wall and two side walls connected with the top wall;

the vibration system further comprises a voice coil, the opposite surface of the top wall is respectively connected with one end of the voice coil and the inner ring part, and the other end of the voice coil is suspended in the magnetic gap;

9. The loudspeaker of claim 8, wherein the balance assembly comprises:

10. An electronic device comprising a device housing and a loudspeaker according to any of claims 1 to 9, the device housing being provided with a cavity, the loudspeaker being provided within the cavity.