阅读说明：本技术 一种扬声器 (Loudspeaker ) 是由 肖波 令狐荣林 孔晨亮 章统 于 2020-07-09 设计创作，主要内容包括：本发明提供了一种扬声器,其包括盆架、以及收容于所述盆架内的磁路系统和振动系统；所述振动系统包括振膜组件；所述磁路系统包括第一磁性组件,所述第一磁性组件包括第一磁轭、固定于所述第一磁轭上的第一主磁钢和环绕所述第一主磁钢并与所述第一主磁钢形成第一磁间隙的第一副磁钢；所述振膜组件包括背离所述第一磁轭的第一连接面和靠近第一磁轭并与第一磁轭相连的第二连接面,所述振膜组件的第一连接面与所述第一副磁钢之间设有与两者密封相连从而使振膜组件和第一副磁钢之间密封的密封圈。本发明利用密封圈使得振膜组件和第一副磁钢之间的位置密封,从而提高了本发明扬声器的防水性能。(The invention provides a loudspeaker, which comprises a basin frame, a magnetic circuit system and a vibration system, wherein the magnetic circuit system and the vibration system are accommodated in the basin frame; the vibration system comprises a diaphragm assembly; the magnetic circuit system comprises a first magnetic assembly, wherein the first magnetic assembly comprises a first magnetic yoke, first main magnetic steel fixed on the first magnetic yoke and first auxiliary magnetic steel surrounding the first main magnetic steel and forming a first magnetic gap with the first main magnetic steel; the vibrating diaphragm assembly comprises a first connecting surface and a second connecting surface, wherein the first connecting surface is deviated from the first magnetic yoke, the second connecting surface is close to the first magnetic yoke and is connected with the first magnetic yoke, and a sealing ring is arranged between the first connecting surface of the vibrating diaphragm assembly and the first auxiliary magnetic steel and is hermetically connected with the first auxiliary magnetic steel so that the vibrating diaphragm assembly and the first auxiliary magnetic steel are sealed. The position between the vibrating diaphragm component and the first auxiliary magnetic steel is sealed by the sealing ring, so that the waterproof performance of the loudspeaker is improved.)

1. A loudspeaker comprises a basin frame, a magnetic circuit system and a vibration system, wherein the magnetic circuit system and the vibration system are accommodated in the basin frame; the vibration system comprises a diaphragm assembly and a voice coil for driving the diaphragm assembly to vibrate; the magnetic circuit system comprises a first magnetic assembly, wherein the first magnetic assembly comprises a first magnetic yoke, first main magnetic steel fixed on the first magnetic yoke and first auxiliary magnetic steel surrounding the first main magnetic steel and forming a first magnetic gap with the first main magnetic steel; said voice coil being at least partially suspended within said first magnetic gap,

the first auxiliary magnetic steel is provided with a abdicating space for the voice coil lead to provide wiring;

the vibrating diaphragm subassembly is including deviating from the first connection face of first yoke and the second that is close to first yoke and links to each other with first yoke are connected, the first connection face of vibrating diaphragm subassembly with press from both sides between the first pair magnet steel and be equipped with the support the sealing washer of vibrating diaphragm subassembly, a terminal surface of sealing washer with first connection face butt, another terminal surface covers let the space.

2. The loudspeaker of claim 1, wherein the number of the first secondary magnetic steels is a pair, and the pair of first secondary magnetic steels are opposite and spaced to form the abdicating space.

3. The speaker of claim 1, further comprising a frame; the framework surrounds the magnetic circuit system, and the framework comprises a second connecting part connected with the vibrating diaphragm assembly and a first connecting part far away from the vibrating diaphragm assembly.

4. The loudspeaker of claim 2, wherein the sealing ring is annular, and the first secondary magnetic steel is semi-annular.

5. The loudspeaker of claim 3, wherein the diaphragm assembly comprises a first diaphragm surrounding and fixed to the first yoke, the first diaphragm having a through hole; the first sound film comprises an outer edge end, an inner edge end which is opposite to the outer edge end and surrounds the through hole, and a first ring folding part which is connected with the outer edge end and the inner edge end;

the first connecting surface is arranged on one side of the inner edge end, which is deviated from the first magnetic yoke, and the second connecting surface is arranged opposite to the first connecting surface.

6. The loudspeaker of claim 1, wherein said first yoke comprises a side wall connecting a bottom wall connected to said first main magnet to said bottom wall, and an end of said side wall remote from said bottom wall is connected to said second connection surface.

7. The loudspeaker of claim 1, wherein the first secondary magnetic steel comprises a first end connected with the sealing ring, a second end opposite to the first end, and a side surface connecting the first end and the second end, and an included angle between the side surface of the first secondary magnetic steel and the first end is an obtuse angle.

8. The loudspeaker of claim 5, wherein the diaphragm assembly further comprises a second diaphragm and a connector; the second sound film comprises a central part, a peripheral part and a second flange part connecting the central part and the peripheral part, and the connecting piece comprises a peripheral end connected with the central part and an inner peripheral end opposite to the peripheral end and connected with the outer edge end of the first sound film; the loudspeaker further comprises a fixing ring fixedly connected with the peripheral part of the second sound film, and one side of the fixing ring, which deviates from the second sound film, is fixedly connected with the basin frame.

9. The speaker of claim 8, further comprising a flexible circuit board electrically connected to the voice coil; the basin stand comprises a first side end fixedly connected with the fixed ring and a second side end opposite to the first side end;

the magnetic circuit system also comprises a second magnetic component and a magnetic conduction component positioned between the first magnetic component and the second magnetic component; the second magnetic assembly comprises a second magnetic yoke fixedly connected with the second side end of the basin stand, second main magnetic steel fixed on the second magnetic yoke and second auxiliary magnetic steel surrounding the second main magnetic steel and forming a second magnetic gap with the second main magnetic steel; the magnetic conduction assembly comprises a main magnetic sheet positioned between the first main magnetic steel and the second main magnetic steel and an auxiliary magnetic sheet positioned between the first auxiliary magnetic steel and the second auxiliary magnetic steel;

the voice coil is suspended within the first magnetic gap and the second magnetic gap.

10. The loudspeaker of claim 9, wherein: the loudspeaker also comprises a supporting vibrating diaphragm arranged in the basin frame, and the flexible circuit board is arranged on one side of the framework, which is far away from the vibrating diaphragm component; the support diaphragm comprises a free end, a fixed end and a central bending ring part, wherein the free end is connected with one side of the flexible circuit board close to the second magnetic yoke, the fixed end is fixedly connected with the basin frame, and the central bending ring part is connected with the free end and the fixed end.

[ technical field ] A method for producing a semiconductor device

The present invention relates to a speaker device, and more particularly, to a moving-coil speaker.

[ background of the invention ]

The loudspeaker is a device capable of converting electric energy into sound energy, and is widely applied to mobile terminals such as mobile phones, computers and PADs, and the quality of the loudspeaker performance directly affects the sound emission effect of a mobile terminal device matched with the loudspeaker.

[ summary of the invention ]

The invention aims to provide a sealed and waterproof loudspeaker.

The technical scheme of the invention is as follows: a loudspeaker comprises a basin frame, a magnetic circuit system and a vibration system, wherein the magnetic circuit system and the vibration system are accommodated in the basin frame; the vibration system comprises a diaphragm assembly and a voice coil for driving the diaphragm assembly to vibrate; the magnetic circuit system comprises a first magnetic assembly, wherein the first magnetic assembly comprises a first magnetic yoke, first main magnetic steel fixed on the first magnetic yoke and first auxiliary magnetic steel surrounding the first main magnetic steel and forming a first magnetic gap with the first main magnetic steel; said voice coil being at least partially suspended within said first magnetic gap,

the first auxiliary magnetic steel is provided with a abdicating space for the voice coil lead to provide wiring;

the vibrating diaphragm subassembly is including deviating from the first connection face of first yoke and the second that is close to first yoke and links to each other with first yoke are connected, the first connection face of vibrating diaphragm subassembly with press from both sides between the first pair magnet steel and be equipped with the support the sealing washer of vibrating diaphragm subassembly, a terminal surface of sealing washer with first connection face butt, another terminal surface covers let the space.

Preferably, the number of first auxiliary magnetic steel is a pair, and a pair of first auxiliary magnetic steel is relative and the interval sets up in order to form the space of stepping down.

More preferably, the speaker further comprises a skeleton; the framework surrounds the magnetic circuit system, and the framework comprises a second connecting part connected with the vibrating diaphragm assembly and a first connecting part far away from the vibrating diaphragm assembly.

Preferably, the seal ring is annular, and the first auxiliary magnetic steel is semi-annular.

Preferably, the diaphragm assembly comprises a first sound film surrounding the first magnetic yoke and fixed with the first magnetic yoke, and the first sound film is provided with a through hole; the first sound film comprises an outer edge end, an inner edge end which is opposite to the outer edge end and surrounds the through hole, and a first ring folding part which is connected with the outer edge end and the inner edge end; the first connecting surface is arranged on one side of the inner edge end, which is deviated from the first magnetic yoke, and the second connecting surface is arranged opposite to the first connecting surface.

Preferably, the first magnetic yoke comprises a bottom wall connected with the first main magnetic steel and a side wall connected with the bottom wall, and the end part, far away from the bottom wall, of the side wall is connected with the second connecting surface.

Preferably, the first auxiliary magnetic steel comprises a first end connected with the sealing ring, a second end opposite to the first end, and a side surface connecting the first end and the second end, and an included angle between the side surface of the first auxiliary magnetic steel and the first end is an obtuse angle.

Preferably, the diaphragm assembly further includes a second diaphragm and a connecting member, the second diaphragm includes a central portion, a peripheral portion and a second flange portion connecting the central portion and the peripheral portion, and the connecting member includes an outer peripheral end connected to the central portion and an inner peripheral end opposite to the outer peripheral end and connected to the outer peripheral end of the first diaphragm; the loudspeaker further comprises a fixing ring fixedly connected with the peripheral part of the second sound film, and one side of the fixing ring, which deviates from the second sound film, is fixedly connected with the basin frame.

Preferably, the loudspeaker further comprises a flexible circuit board electrically connected with the voice coil; the basin stand comprises a first side end fixedly connected with the fixed ring and a second side end opposite to the first side end;

the magnetic circuit system also comprises a second magnetic component and a magnetic conduction component positioned between the first magnetic component and the second magnetic component; the second magnetic assembly comprises a second magnetic yoke fixedly connected with the second side end of the basin stand, second main magnetic steel fixed on the second magnetic yoke and second auxiliary magnetic steel surrounding the second main magnetic steel and forming a second magnetic gap with the second main magnetic steel; the magnetic conduction assembly comprises a main magnetic sheet positioned between the first main magnetic steel and the second main magnetic steel and an auxiliary magnetic sheet positioned between the first auxiliary magnetic steel and the second auxiliary magnetic steel;

the voice coil is suspended within the first magnetic gap and the second magnetic gap.

Preferably, the loudspeaker further comprises a supporting diaphragm arranged in the frame, and the flexible circuit board is arranged on one side of the framework, which is far away from the diaphragm assembly; the support diaphragm comprises a free end, a fixed end and a central bending ring part, wherein the free end is connected with one side of the flexible circuit board close to the second magnetic yoke, the fixed end is fixedly connected with the basin frame, and the central bending ring part is connected with the free end and the fixed end.

The invention has the beneficial effects that: the position between the diaphragm component and the first auxiliary magnetic steel is sealed by the sealing ring, so that water is prevented from leaking into the loudspeaker through the diaphragm component, the diaphragm component is ensured not to leak water, and the performance of the loudspeaker is improved.

[ description of the drawings ]

Fig. 1 is a perspective view of a speaker according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is an enlarged view at C of FIG. 3;

fig. 5 is an exploded view of a speaker according to an embodiment of the present invention.

[ detailed description ] embodiments

The invention is further described with reference to the following figures and embodiments.

Fig. 1-5 show an embodiment of the loudspeaker according to the invention. The loudspeaker comprises a basin frame 11, and a magnetic circuit system and a vibration system which are contained in the basin frame 11. The vibration system is fixed to the frame 11 by means of a fixing ring 50.

The vibration system includes a diaphragm assembly, a voice coil 5 and a bobbin 15. The diaphragm assembly comprises a second diaphragm 1, a connecting piece 2 connected with the second diaphragm 1 and a first diaphragm 3 connected with the connecting piece 2. The connecting piece 2 is equivalent to a ball top and is used for sounding, the first sound film 3 is in a hollow shape and is provided with a through hole 40 penetrating through the first sound film, and the first sound film 3 surrounds the first magnetic yoke 10 and is fixedly connected with the first magnetic yoke 10. The second diaphragm 1 includes a central portion 1a, an outer peripheral portion 1b, and a second flange portion 1c connecting the central portion 1a and the outer peripheral portion 1b, and the second flange portion 1c is raised in a direction perpendicular to the central portion 1 a. The central portion 1a is annular. The connecting member 2 includes an outer peripheral end 2a connected to the central portion 1a and an inner peripheral end 2b opposite to the outer peripheral end 2 a; the first diaphragm 3 includes an outer edge end 3a connected to an inner peripheral end 2b of the connector and an inner edge end 3b opposite to the outer edge end 3a, and a first hinge portion 3c connecting the outer edge end 3a and the inner edge end 3 b. The through hole 40 is surrounded by the inner edge end 3 b. The first hinge part 3c of the first diaphragm 3 comprises at least two ridges 3 d.

The frame 11 includes a first side end 11b fixedly connected to the fixing ring 50 and a second side end 11a opposite to the first side end 11 b. The outer peripheral portion 1b of the second diaphragm 1 is fixedly connected to the fixing ring 50, so that the diaphragm assembly is supported by the fixing ring 50.

The magnetic circuit system comprises a first magnetic component, a second magnetic component and a magnetic conduction component positioned between the first magnetic component and the second magnetic component; the second magnetic component comprises a second magnetic yoke 4 fixedly connected with the second side end 11a, a second main magnetic steel 6 fixed on the second magnetic yoke 4 and second auxiliary magnetic steel 8 positioned at two sides of the second main magnetic steel 6 and forming a second magnetic gap 19 with the second main magnetic steel 6; the first magnetic component comprises a first magnetic yoke 10 fixedly connected with the inner edge end 3b of the first sound film 3, a first main magnetic steel 7 fixed on the first magnetic yoke 10 and first auxiliary magnetic steels 9 positioned at two sides of the first main magnetic steel 7 and forming a first magnetic gap 18 with the first main magnetic steel 7; the magnetic conduction assembly comprises a main magnetic sheet 12 positioned between the second main magnetic steel 6 and the first main magnetic steel 7 and an auxiliary magnetic sheet 13 positioned between the first auxiliary magnetic steel 9 and the second auxiliary magnetic steel 8; the second magnetic gap 18 communicates with the first magnetic gap 19; the voice coil 5 is suspended within the second magnetic gap 18 and the first magnetic gap 19.

In this embodiment, the first auxiliary magnetic steels 9 are a pair in number and are semi-annular. The semi-annular first secondary magnetic steel 9 is arranged oppositely and at intervals, and the spaced distance forms a yielding space 30 for the voice coil lead to provide wiring. Furthermore, the number of the second auxiliary magnetic steel 8 and the auxiliary magnetic conductive sheet 13 is a pair, and the two are both semi-annular. The semi-annular second auxiliary magnetic steel 8 and the auxiliary magnetic conducting sheet 13 are opposite and spaced at a certain distance, and the abdicating space extends from the first auxiliary magnetic steel 9 to the second auxiliary magnetic steel 8.

In this embodiment, the bobbin 15 is used to connect the diaphragm assembly and the voice coil to drive the diaphragm assembly to vibrate. The bobbin 15 surrounds the magnetic circuit system, and includes a second connection portion 15a connected to the connection member 2 and a first connection portion 15b connected to the voice coil 5 and distant from the connection member 2. In this embodiment, the first connecting portion 15b extends from the receding space between the first secondary magnetic steels 9 and is fixedly connected to the voice coil 5, as shown in fig. 2. The flexible circuit board 14 is disposed on one side of the framework 15 departing from the diaphragm assembly.

In this embodiment, the inner edge end 3b of the first sound film 3 is provided with a first connecting surface 3e deviating from the first magnetic yoke, the first auxiliary magnetic steel 9 is provided with a fixing surface 9a facing the first magnetic yoke, the first connecting surface 3e and the sealing ring 20 is clamped between the fixing surfaces 9a, one end surface of the sealing ring 20 abuts against the first connecting surface 3e, the other end surface covers the yielding space 30, and the other end surface is connected with the first auxiliary magnetic steel 9. According to the invention, the sealing ring 20 is abutted against the first connecting surface 3e, and the sealing ring 20 is connected with the first connecting surface 3e in a sealing manner, so that water cannot leak at the connecting position of the middle-hole-shaped first sound film and the sealing ring 20, and the waterproof performance of the first sound film is ensured.

The inner edge end 3b of the first diaphragm 3 is further provided with a second connecting surface 3f opposite to the first connecting surface 3e, and the second connecting surface 3f is fixedly connected with the first magnetic yoke 9. The structure ensures that the inner edge end 3b of the first sound film is positioned between the first magnetic yoke 10 and the first auxiliary magnetic steel 9, and the three are fixedly connected.

In this embodiment, the first yoke 10 is shaped like a cover, and includes a bottom wall 10a connected to the first main magnet and a side wall 10b connected to the bottom wall, and an end of the side wall away from the bottom wall is connected to the second connection surface 3 f.

In the present embodiment, the sealing ring 20 is annular, and correspondingly, the first diaphragm is also annular, and the outer contour of each component in the magnetic circuit system is circular. According to the invention, the position between the first sound film 3 and the first auxiliary magnetic steel 9 is sealed by using the sealing ring 20, so that water is prevented from leaking into the loudspeaker through the first sound film, the first sound film is ensured not to leak water, and further, the performance of the loudspeaker is improved.

More preferably, the first auxiliary magnetic steel 9 includes a first end 9d connected to the sealing ring, a second end 9b opposite to the first end, and a side surface 9c connecting the second end 9b and the first end 9d, and an included angle between the side surface 9c and the first end 9b is an acute angle, that is, the side surface 9c of the first auxiliary magnetic steel 9 forms an inclined surface to form an avoiding space for the bulge portion of the first sound diaphragm 3. The first end 9d is provided with said fixing surface 9a, in the embodiment, the first end 9d forms the fixing surface 9a, and the first end is the fixing surface, and the fixing surface is connected with the sealing ring.

Preferably, the speaker further includes a support diaphragm 16 disposed within the frame 11; the support diaphragm 16 includes a free end 16a connected to a side of the flexible circuit board 14 adjacent to the second yoke 4, a fixed end 16b fixedly connected to the frame 11, and a central corrugated portion 16c connected to both the free end 16a and the fixed end 16 b.

While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.