CN116132888A

CN116132888A - Horn and earphone with same

Info

Publication number: CN116132888A
Application number: CN202310007114.8A
Authority: CN
Inventors: 张波; 吴海全; 窦力才; 贡维勇
Original assignee: Shenzhen Grandsun Electronics Co Ltd
Current assignee: Shenzhen Grandsun Electronics Co Ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-05-16

Abstract

The invention discloses a loudspeaker and an earphone with the loudspeaker, and particularly relates to an intelligent earphone, wherein the loudspeaker comprises: a housing assembly; the magnetic circuit assembly is arranged in the shell assembly and comprises a first magnetic piece, a second magnetic piece and an annular magnetic piece, wherein the second magnetic piece is arranged opposite to the first magnetic piece at intervals, and the annular magnetic piece is arranged outside the first magnetic piece in a surrounding mode and is spaced from the first magnetic piece; and the vibration module is arranged in the shell assembly and comprises a first vibration assembly and a second vibration assembly, the first vibration assembly comprises a first vibrating diaphragm, a magnetizable body connected with the first vibrating diaphragm and a first voice coil fixedly arranged between the first magnetic piece and the second magnetic piece, the second vibration assembly comprises a second vibrating diaphragm and a second voice coil connected with the second vibrating diaphragm, and the second voice coil is arranged in a magnetic circuit between the first magnetic piece and the annular magnetic piece.

Description

Horn and earphone with same

Technical Field

The invention relates to the technical field of audio equipment, in particular to a loudspeaker and an earphone with the loudspeaker.

Background

With the continuous development of science and technology, the loudspeaker is used as a sounding component and applied to more and more electronic products, and the requirements of people on the sound quality effect of the loudspeaker are higher and higher.

In the related art, most of speakers are of a single-diaphragm structure, and the diaphragms are driven in a single mode, so that the realization of the full-frequency range of the speakers is not facilitated.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the loudspeaker which is beneficial to realizing the full-frequency range.

The invention further provides an earphone with the loudspeaker.

According to an embodiment of the first aspect of the present invention, the horn comprises: a housing assembly; the magnetic circuit assembly is arranged in the shell assembly and comprises a first magnetic piece, a second magnetic piece and an annular magnetic piece, wherein the second magnetic piece is arranged at intervals with the first magnetic piece in an opposite mode, the annular magnetic piece is arranged outside the first magnetic piece in a surrounding mode and is spaced with the first magnetic piece in an interval mode, one end, close to the second magnetic piece, of the first magnetic piece is identical to one end, close to the first magnetic piece, of the second magnetic piece, and the magnetic poles of the first magnetic piece and one end, facing the same direction, of the annular magnetic piece are opposite; and the vibration module is arranged in the shell assembly and comprises a first vibration assembly and a second vibration assembly, the first vibration assembly comprises a first vibrating diaphragm, a magnetizable body connected with the first vibrating diaphragm and a first voice coil fixedly arranged between the first magnetic piece and the second magnetic piece, the magnetizable body is movably arranged between the first magnetic piece and the second magnetic piece, one end of the magnetizable body, which is close to the first magnetic piece, can be magnetized by the first voice coil to form a south magnetic pole or a north magnetic pole, the second vibration assembly comprises a second vibrating diaphragm and a second voice coil connected with the second vibrating diaphragm, and the second voice coil is arranged in a magnetic circuit between the first magnetic piece and the annular magnetic piece.

The loudspeaker provided by the embodiment of the invention has at least the following beneficial effects:

in the loudspeaker, the first magnetic piece and the second magnetic piece are matched to form the first driving mechanism for driving the first vibrating diaphragm to vibrate, the first magnetic piece and the annular magnetic piece are matched to form the second driving mechanism for driving the second vibrating diaphragm to vibrate, and the first magnetic piece is shared by the first driving mechanism and the second driving mechanism, so that the use of elements is reduced, and the volume of the loudspeaker is reduced. And moreover, the first vibrating diaphragm and the second vibrating diaphragm are driven under the action of the first driving mechanism and the second driving mechanism respectively, so that the full-frequency range of the loudspeaker is facilitated to be realized, and the sound quality effect is improved.

According to some embodiments of the invention, the first voice coil is a first flat voice coil, and the wires of the first flat voice coil form a first spiral structure, and a length direction of an axis of the first spiral structure is the same as a spacing direction of the first magnetic piece and the second magnetic piece; and/or

The second voice coil is a second flat voice coil, the lead wire of the second flat voice coil forms a second spiral structure, and the length direction of the axis of the second spiral structure is the same as the interval direction of the first magnetic piece and the second magnetic piece.

According to some embodiments of the invention, a positioning piece is disposed at one end of the first magnetic piece near the second magnetic piece, the first vibrating diaphragm is disposed between the first magnetic piece and the second magnetic piece in a penetrating manner, and an outer edge of the first vibrating diaphragm is fixed on the positioning piece.

According to some embodiments of the invention, a first fixing ring is arranged at the outer edge of the first vibrating diaphragm, a positioning step is arranged on the positioning piece, and the first fixing ring is arranged on the positioning step.

According to some embodiments of the invention, the second diaphragm is disposed around the first diaphragm, an inner edge of the second diaphragm is connected to the first fixing ring, and an outer edge of the second diaphragm is provided with a second fixing ring, and the second fixing ring is connected to the housing assembly.

According to some embodiments of the invention, the magnetizable body is arranged through the first voice coil, and the positioning piece is provided with a avoidance area arranged opposite to the magnetizable body.

According to some embodiments of the invention, an end of the first magnetic member adjacent to the second magnetic member is a first end, the annular magnetic member has a second end, the second end is oriented in the same direction as the first end, a first magnetizer is disposed on the first end, and a second magnetizer is disposed on the second end, and the second magnetizer is disposed around the first magnetizer and is spaced from the first magnetizer.

According to some embodiments of the invention, the outer side wall of the first magnetizer is a first inclined wall, the first inclined wall gradually inclines away from the second magnetizer in a direction from one side close to the first magnetic piece to one side far away from the first magnetic piece, and/or the inner side wall of the second magnetizer is a second inclined wall, and the second inclined wall gradually inclines away from the first magnetizer in a direction from one side close to the annular magnetic piece to one side far away from the annular magnetic piece;

the second voice coil is arranged between the first magnetizer and the second magnetizer.

According to some embodiments of the invention, the housing assembly is provided with a sound outlet.

An earphone according to an embodiment of the second aspect of the invention comprises a horn as described above.

The earphone according to the embodiment of the invention has at least the following beneficial effects:

in the earphone, the first magnetic piece and the second magnetic piece are matched to form the first driving mechanism for driving the first vibrating diaphragm to vibrate, the first magnetic piece and the annular magnetic piece are matched to form the second driving mechanism for driving the second vibrating diaphragm to vibrate, the first magnetic piece is shared by the first driving mechanism and the second driving mechanism, the use of elements is reduced, and the volume of the loudspeaker is reduced. And moreover, the first vibrating diaphragm and the second vibrating diaphragm are driven under the action of the first driving mechanism and the second driving mechanism respectively, so that the full-frequency range of the loudspeaker is facilitated to be realized, and the sound quality effect is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic top view of a loudspeaker according to an embodiment of the invention;

FIG. 2 is a schematic cross-sectional view of the graphic of FIG. 1 taken along section A-A;

FIG. 3 is an enlarged schematic view of the structure at B of the graph shown in FIG. 2;

FIG. 4 is a schematic diagram of a magnetizable body magnetized by a first voice coil according to an embodiment of the invention;

fig. 5 is a schematic diagram of a magnetic circuit between a first magnetic member and a ring-shaped magnetic member according to an embodiment of the present invention.

Reference numerals:

100. a housing assembly; 101. a sound outlet hole; 102. a first via hole; 103. a second via hole; 104. a first tuning hole; 105. a second tuning hole; 110. a basin stand; 120. a protective cover;

210. a first magnetic member; 220. a second magnetic member; 230. a ring-shaped magnetic member; 240. a first magnetizer; 250. a second magnetizer;

310. a first vibration assembly; 311. a first diaphragm; 312. a magnetizable body; 313. a first voice coil; 320. a second vibration assembly; 321. a second diaphragm; 322. a second voice coil;

400. a positioning piece; 410. an avoidance zone;

500. a first fixing ring;

600. a second fixing ring;

700. and a PCB board.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 2, a horn according to an embodiment of the present invention includes a housing assembly 100, a magnetic circuit assembly, and a vibration assembly.

As shown in fig. 2, the housing assembly 100 is a hollow structure.

Specifically, the housing assembly 100 includes a tub 110 and a protective cover 120 covering the tub 110.

As shown in fig. 2, the magnetic circuit assembly is disposed inside the housing assembly 100, and the magnetic circuit assembly includes a first magnetic member 210, a second magnetic member 220 disposed opposite to and spaced apart from the first magnetic member 210, and an annular magnetic member 230 disposed around the first magnetic member 210 and spaced apart from the first magnetic member 210.

Specifically, the first magnetic member 210, the second magnetic member 220, and/or the ring-shaped magnetic member 230 may be magnets, and the ring-shaped magnetic member 230 surrounds the first magnetic member 210 and is spaced apart from the first magnetic member 210, and the second magnetic member 220 is spaced apart from and opposite to the first magnetic member 210. The first magnetic pieces 210 and the second magnetic pieces 220 are arranged at intervals along a first direction, the first magnetic pieces 210 and the annular magnetic pieces 230 are arranged at intervals along a second direction, and the first direction is perpendicular to the second direction.

More specifically, the first magnetic element 210 has a columnar structure, the first direction is an axial direction of the first magnetic element 210, and the second direction is a radial direction of the first magnetic element 210. Wherein the ring-shaped magnetic member 230 and the first magnetic member 210 are coaxially disposed.

The end of the first magnetic member 210 near the second magnetic member 220 is the same as the magnetic pole of the end of the second magnetic member 220 near the first magnetic member 210.

Specifically, the first magnetic element 210 and the second magnetic element 220 are both fixedly disposed inside the housing assembly 100, and the relative positions of the first magnetic element 210 and the second magnetic element 220 are fixed, wherein in this embodiment, an end of the first magnetic element 210, which is close to the second magnetic element 220, is an N pole, an end of the first magnetic element 210, which is away from the second magnetic element 220, is an S pole, an end of the second magnetic element 220, which is close to the first magnetic element 210, is an N pole, and an end of the second magnetic element 220, which is away from the first magnetic element 210, is an S pole.

More specifically, the first magnetic member 210 is located below the second magnetic member 220, i.e., the upper end of the first magnetic member 210 is an N pole, the lower end of the first magnetic member 210 is an S pole, the lower end of the second magnetic member 220 is an N pole, and the upper end of the second magnetic member 220 is an S pole.

The poles of the first magnetic member 210 and the annular magnetic member 230 are opposite to each other at one end facing in the same direction.

In this embodiment, the upward end of the first magnetic member 210 is the N pole, the upward end of the annular magnetic member 230 is the S pole, the downward end of the first magnetic member 210 is the S pole, and the downward end of the annular magnetic member 230 is the N pole.

In other embodiments, the end of the first magnetic element 210 close to the second magnetic element 220 is an S-pole, the end of the first magnetic element 210 facing away from the second magnetic element 220 is an N-pole, the end of the second magnetic element 220 close to the first magnetic element 210 is an S-pole, the end of the second magnetic element 220 facing away from the first magnetic element 210 is an N-pole, the upward end of the annular magnetic element 230 is an N-pole, and the downward end of the annular magnetic element 230 is an S-pole.

The vibration module is disposed inside the housing assembly 100, and includes a first vibration assembly 310 and a second vibration assembly 320.

As shown in fig. 2 to 4, the first vibration assembly 310 includes a first diaphragm 311, a magnetizable body 312 connected to the first diaphragm 311, and a first voice coil 313 fixedly disposed between the first magnetic member 210 and the second magnetic member 220, the magnetizable body 312 is movably disposed between the first magnetic member 210 and the second magnetic member 220, and an end of the magnetizable body 312 near the first magnetic member 210 can be magnetized by the first voice coil 313 to form a south magnetic pole or a north magnetic pole.

Specifically, the first voice coil 313 can form north-south magnetic poles when a variable alternating current is supplied, and the position of the north-south magnetic poles of the first voice coil 313 is changed, so that after the magnetizable body 312 is magnetized by the first voice coil 313, the north-south magnetic poles of the magnetizable body 312 also change along with the first voice coil 313, when one end of the magnetizable body 312, which is close to the first magnetic piece 210, is magnetized by the first voice coil 313 to form the south magnetic poles, at this time, one end of the magnetizable body 312, which is close to the second magnetic piece 220, is the north magnetic poles, and when one end of the magnetizable body 312, which is close to the first magnetic piece 210, is magnetized by the first voice coil 313 to form the north magnetic poles, at this time, one end of the magnetizable body 312, which is close to the second magnetic piece 220, is the south magnetic poles.

Therefore, after the first voice coil 313 is energized with alternating current of varying magnitude, the magnetizable body 312 is magnetized by the first voice coil 313, that is, the magnetizable body 312 also generates north and south poles, after the magnetizable body 312 is magnetized, when the south pole of the magnetizable body 312 faces the first magnetic member 210, the north pole of the magnetizable body 312 faces the second magnetic member 220, and when the north pole of the magnetizable body 312 faces the first magnetic member 210, the south pole of the magnetizable body 312 faces the second magnetic member 220. In this way, the magnetizable body 312 can move towards or away from the first magnetic element 210 under the combined action of the first magnetic element 210 and the second magnetic element 220, so as to drive the first vibrating diaphragm 311 to vibrate, so that the acting force borne by the magnetizable body 312 is large, which is beneficial to improving the electromagnetic conversion efficiency, and the first magnetic element 210 and the second magnetic element 220 can provide a more uniform magnetic field, so that the movement precision of the magnetizable body 312 can be improved, and the distortion is reduced.

The magnetizable body 312 is made of iron, cobalt or nickel.

As shown in fig. 2, the second vibration assembly 320 includes a second diaphragm 321, and a second voice coil 322 connected to the second diaphragm 321, the second voice coil 322 being disposed in a magnetic circuit between the first magnetic member 210 and the annular magnetic member 230.

Specifically, after the second voice coil 322 is energized with alternating current with varying magnitude, the second voice coil can reciprocate under the influence of the magnetic circuit between the first magnetic member 210 and the annular magnetic member 230, so as to drive the second diaphragm 321 to vibrate.

In the loudspeaker of the invention, the first magnetic element 210 and the second magnetic element 220 cooperate to form a first driving mechanism for driving the first vibrating diaphragm 311 to vibrate, while the first magnetic element 210 and the annular magnetic element 230 cooperate to form a second driving mechanism for driving the second vibrating diaphragm 321 to vibrate, and the first magnetic element 210 is shared by the first driving mechanism and the second driving mechanism, so that the use of elements is reduced, and the volume of the loudspeaker is reduced. And, first vibrating diaphragm 311 and second vibrating diaphragm 321 drive under first actuating mechanism and second actuating mechanism's effect respectively, are favorable to realizing loudspeaker's full frequency range, promote tone quality effect.

As shown in fig. 3, in one embodiment, the first voice coil 313 is a first flat voice coil, and the wires of the first flat voice coil form a first spiral structure, and the length direction of the axis of the first spiral structure is the same as the spacing direction of the first magnetic element 210 and the second magnetic element 220.

Specifically, the first flat voice coil can form a north-south magnetic pole when alternating current is supplied, the north magnetic pole of the first flat voice coil faces the second magnetic piece 220 when the south magnetic pole of the first flat voice coil faces the first magnetic piece 210, and the south magnetic pole of the first flat voice coil faces the second magnetic piece 220 when the north magnetic pole of the first flat voice coil faces the first magnetic piece 210. The magnetizable body 312 may be magnetized by the first flat voice coil, and the north and south poles of the magnetizable body 312 may also change along with the first flat voice coil, when the end of the magnetizable body 312 near the first magnetic member 210 is magnetized by the first flat voice coil to form a south pole, at this time, the end of the magnetizable body 312 near the second magnetic member 220 is a north pole, and when the end of the magnetizable body 312 near the first magnetic member 210 is magnetized by the first flat voice coil to form a north pole, at this time, the end of the magnetizable body 312 near the second magnetic member 220 is a south pole.

In addition, the first voice coil 313 is a first flat voice coil, and the length direction of the axis of the first spiral structure is set to be the same as the spacing direction of the first magnetic member 210 and the second magnetic member 220, so that the overall height of the loudspeaker can be reduced and the occupied space can be reduced.

As shown in fig. 2, further, the second voice coil 322 is a second flat voice coil, and the wires of the second flat voice coil form a second spiral structure, and the length direction of the axis of the second spiral structure is the same as the spacing direction of the first magnetic element 210 and the second magnetic element 220. The second voice coil 322 adopts a second flat voice coil, and the length direction of the axis of the second spiral structure is set to be the same as the spacing direction of the first magnetic element 210 and the second magnetic element 220, so that the overall height of the loudspeaker can be reduced as a whole, and the occupied space can be reduced.

As shown in fig. 2, in one embodiment, a positioning member 400 is disposed at one end of the first magnetic member 210 near the second magnetic member 220, the first diaphragm 311 is disposed between the first magnetic member 210 and the second magnetic member 220, and an outer edge of the first diaphragm 311 is fixed on the positioning member 400, and the positioning member 400 is used for positioning the first diaphragm 311.

Specifically, the outer edge of the first diaphragm 311 is fixed with a first fixing ring 500, the periphery of the positioning member 400 is provided with a positioning step, the first fixing ring 500 is fixed on the positioning step, and the positioning step is used for positioning the first fixing ring 500.

Further, the magnetizable body 312 is connected to the middle portion of the first diaphragm 311 and penetrates through the first voice coil 313, and the positioning member 400 is provided with a relief area 410 opposite to the magnetizable body 312. In this way, the positioning piece 400 does not obstruct the acting force of the first magnetic piece 210 on the magnetizable body 312, and connects the magnetizable body 312 to the middle part of the first vibrating diaphragm 311, which is favorable to the stability of the vibration of the first vibrating diaphragm 311, and ensures the sound quality.

In one embodiment, as shown in fig. 2, the end of the first magnetic member 210 near the second magnetic member 220 is a first end, the annular magnetic member 230 has a second end, and the second end is oriented in the same direction as the first end, in other words, the upper end of the first magnetic member 210 is a first end, and the upper end of the annular magnetic member 230 is a second end.

A first magnetizer 240 is disposed on a first end of the first magnetic member 210, a second magnetizer 250 is disposed on a second end of the annular magnetic member 230, the second magnetizer 250 is disposed around the first magnetizer 240 and spaced apart from the first magnetizer 240, and the first magnetizer 240 and the second magnetizer 250 perform a magnetic conduction function, thereby facilitating the second voice coil 322 to be immersed into the magnetic circuit between the first magnetic member 210 and the annular magnetic member 230.

Specifically, the first magnetic element 210 and the second magnetic element 220 are washer.

Further, referring to fig. 2 and 5, the outer wall of the first magnetizer 240 is a first inclined wall, and the first inclined wall is inclined away from the second magnetizer 250 gradually from the side close to the first magnetic member 210 to the side far from the first magnetic member 210, in other words, the first inclined wall is inclined away from the second magnetizer 250 gradually from bottom to top. The inner side wall of the second magnetizer 250 is a second inclined wall, and the second inclined wall is inclined gradually away from the first magnetizer 240 in a direction from a side close to the annular magnetic member 230 to a side far from the annular magnetic member 230, in other words, the second inclined wall is inclined gradually away from the first magnetizer 240 from bottom to top. The second voice coil 322 is disposed between the first and second

magnetic conductors

240 and 250.

In this way, under the action of the first magnetizer 240 and the second magnetizer 250, the magnetic circuit between the first magnetic element 210 and the annular magnetic element 230 can be properly guided upwards for a certain distance, so that the second voice coil 322 is completely immersed into the magnetic circuit between the first magnetic element 210 and the annular magnetic element 230, and the accuracy of the moving path of the second voice coil 322 after being electrified is improved.

In the case where the second voice coil 322 is provided as the second flat voice coil, the second voice coil 322 can be surely immersed in the magnetic circuit between the first magnetic member 210 and the annular magnetic member 230.

As shown in fig. 2, further, the second diaphragm 321 is disposed around the first diaphragm 311, the first diaphragm 311 is used as a high-pitched diaphragm, and the second diaphragm 321 is used as a middle-low-pitched diaphragm. Therefore, the full-frequency range of the loudspeaker is facilitated to be realized, and the sound quality effect is improved.

Further, an inner edge of the second diaphragm 321 is connected to the first fixing ring 500, and an outer edge of the second diaphragm 321 is provided with a second fixing ring 600, and the second fixing ring 600 is connected to the housing assembly 100.

It will be appreciated that the housing assembly 100 is provided with an acoustic port 101. In this manner, sounds generated when the first and

second diaphragms

311 and 321 vibrate can be released through the sound outlet hole 101.

Referring to fig. 2 and 3, further, a PCB 700 is disposed outside the housing assembly 100, a first via hole 102 and a second via hole 103 are further disposed on the housing assembly 100, a first signal wire is disposed through the first via hole 102 and connects the first voice coil 313 and the PCB 700, and a second signal wire is disposed through the second via hole 103 and connects the second voice coil 322 and the PCB 700.

Still further, the housing assembly 100 is further provided with a first tuning hole 104 and a second tuning hole 105, and tuning nets are provided at the first tuning hole 104 and the second tuning hole 105.

An embodiment also relates to an earphone comprising a horn as described above.

The earphone of the invention has the loudspeaker, in the loudspeaker, the first magnetic piece 210 and the second magnetic piece 220 are matched to form a first driving mechanism for driving the first vibrating diaphragm 311 to vibrate, the first magnetic piece 210 and the annular magnetic piece 230 are matched to form a second driving mechanism for driving the second vibrating diaphragm 321 to vibrate, and the first magnetic piece 210 is shared by the first driving mechanism and the second driving mechanism, so that the use of elements is reduced, and the volume of the loudspeaker is reduced. And, first vibrating diaphragm 311 and second vibrating diaphragm 321 drive under first actuating mechanism and second actuating mechanism's effect respectively, are favorable to realizing loudspeaker's full frequency range, promote tone quality effect.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A horn, the horn comprising:

a housing assembly;

the magnetic circuit assembly is arranged in the shell assembly and comprises a first magnetic piece, a second magnetic piece and an annular magnetic piece, wherein the second magnetic piece is arranged at intervals with the first magnetic piece in an opposite mode, the annular magnetic piece is arranged outside the first magnetic piece in a surrounding mode and is spaced with the first magnetic piece in an interval mode, one end, close to the second magnetic piece, of the first magnetic piece is identical to one end, close to the first magnetic piece, of the second magnetic piece, and the magnetic poles of the first magnetic piece and one end, facing the same direction, of the annular magnetic piece are opposite; a kind of electronic device with high-pressure air-conditioning system

The vibration module is arranged in the shell assembly, the vibration module comprises a first vibration assembly and a second vibration assembly, the first vibration assembly comprises a first vibrating diaphragm, a magnetizable body connected with the first vibrating diaphragm and a first voice coil fixedly arranged between the first magnetic piece and the second magnetic piece, the magnetizable body is movably arranged between the first magnetic piece and the second magnetic piece, one end, close to the first magnetic piece, of the magnetizable body can be magnetized by the first voice coil to form a south magnetic pole or a north magnetic pole, the second vibration assembly comprises a second vibrating diaphragm and a second voice coil connected with the second vibrating diaphragm, and the second voice coil is arranged in a magnetic circuit between the first magnetic piece and the annular magnetic piece.

2. The loudspeaker of claim 1, wherein the first voice coil is a first flat voice coil, and the wires of the first flat voice coil form a first spiral structure, and a length direction of an axis of the first spiral structure is the same as a spacing direction of the first magnetic member and the second magnetic member; and/or

3. The loudspeaker of claim 1, wherein a positioning member is disposed at an end of the first magnetic member adjacent to the second magnetic member, the first diaphragm is disposed between the first magnetic member and the second magnetic member, and an outer edge of the first diaphragm is fixed to the positioning member.

4. A loudspeaker according to claim 3, wherein the outer edge of the first diaphragm is provided with a first retaining ring, the positioning member is provided with a positioning step, and the first retaining ring is disposed on the positioning step.

5. The loudspeaker of claim 4, wherein the second diaphragm is disposed around the first diaphragm, an inner edge of the second diaphragm is connected to the first retaining ring, and an outer edge of the second diaphragm is provided with a second retaining ring, the second retaining ring being connected to the housing assembly.

6. A horn according to claim 3, wherein the magnetizable body is arranged through the first voice coil, and the positioning member is provided with a relief area arranged opposite to the magnetizable body.

7. The horn of claim 1, wherein the first magnetic member has a first end adjacent to the second magnetic member, the annular magnetic member has a second end facing the same as the first end, a first magnetic conductor is disposed on the first end, and a second magnetic conductor is disposed on the second end and surrounding and spaced from the first magnetic conductor.

8. The horn of claim 7, wherein the outer side wall of the first magnetic conductor is a first inclined wall that is inclined gradually away from the second magnetic conductor in a direction from a side closer to the first magnetic element to a side farther from the first magnetic element, and/or the inner side wall of the second magnetic conductor is a second inclined wall that is inclined gradually away from the first magnetic conductor in a direction from a side closer to the annular magnetic element to a side farther from the annular magnetic element;

9. The loudspeaker of claim 1, wherein the housing assembly is provided with an acoustic port.

10. An earphone comprising a horn as claimed in any one of claims 1 to 9.