Loudspeaker and electronic equipment

Abstract

The invention provides a loudspeaker and electronic equipment, and belongs to the technical field of loudspeakers, and the loudspeaker comprises a magnetic assembly which generates a magnetic field; at least part of the first coil is located in the magnetic field; the second coil is located at one end of the first coil, the rotation direction of the first coil is opposite to that of the second coil, and at least part of the second coil is located in the magnetic field; and the vibration assembly is connected with at least one of the first coil and the second coil, and when the first coil and the second coil are electrified, the vibration assembly is jointly driven to vibrate.

Description

Technical Field

[0001] The present application belongs to the technical field of loudspeakers, and in particular relates to a loudspeaker and an electronic device. Background Art

[0002] In the related technology, the speaker usually makes sound by driving the diaphragm to vibrate through a coil. However, the coil is easily disturbed by the periodic current on the circuit board. That is, the periodic current on the circuit board will cause the coil to generate an induced current, which will generate an Ampere force with the magnetic parts in the speaker, causing the coil to drive the diaphragm to vibrate, and the diaphragm pushes the air, producing a "sizzling" electric current sound. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a loudspeaker and an electronic device, which can effectively solve the technical problem that the loudspeaker is affected by the current on the circuit board and produces current sound.

[0004] In a first aspect, an embodiment of the present application provides a speaker, comprising:

[0005] A magnetic component, wherein the magnetic component generates a magnetic field;

[0006] a first coil, at least a portion of the first coil being located within the magnetic field;

[0007] A second coil is located at one end of the first coil, the hand direction of the first coil is opposite to that of the second coil, and at least a portion of the second coil is located in the magnetic field;

[0008] The vibration component is connected to at least one of the first coil and the second coil. When the first coil and the second coil are energized, they jointly drive the vibration component to vibrate.

[0009] As a possible implementation, the magnetic field formed by the magnetic component includes a first magnetic field and a second magnetic field, the direction of the first magnetic field is opposite to the direction of the second magnetic field, at least part of the first coil is located in the first magnetic field, and at least part of the second coil is located in the second magnetic field;

[0010] When the first coil and the second coil are energized, the directions of the first magnetic field and the Ampere force generated by the first coil, and the directions of the second magnetic field and the Ampere force generated by the second coil are the same.

[0011] As a possible implementation, it also includes:

[0012] The conductive member is located between the first coil and the second coil, and connects one end of the first coil facing the second coil and one end of the second coil facing the first coil.

[0013] As a possible implementation, the magnetic component includes:

[0014] A first magnetic member, a first coil and a second coil are arranged around the first magnetic member;

[0015] A second magnetic member is arranged outside the first coil and the second coil;

[0016] The S pole of the first magnetic component is opposite to the N pole of the second magnetic component, forming a first magnetic field; the N pole of the first magnetic component is opposite to the S pole of the second magnetic component, forming a second magnetic field.

[0017] As a possible implementation manner, the first magnetic member is a polygonal structure, the number of the second magnetic members is plural, and one second magnetic member is opposite to one side of the first magnetic member.

[0018] As a possible implementation, the magnetic component further includes:

[0019] The magnetic conductive member is arranged on a side of the first magnetic member and the second magnetic member facing the vibration component.

[0020] As a possible implementation, the number of turns of the first coil is the same as the number of turns of the second coil;

[0021] The material of the first coil is the same as the material of the second coil;

[0022] The cross-sectional area of ​​the first coil is the same as the cross-sectional area of ​​the second coil.

[0023] As a possible implementation, it also includes:

[0024] A magnetic cover, on which the magnetic assembly is arranged;

[0025] The bracket is located on one side of the magnetic cover, the vibration component is arranged on the bracket, and the first coil and the second coil are located on the inner side of the bracket.

[0026] As a possible implementation, the vibration component further includes:

[0027] Diaphragm;

[0028] The dome is arranged on the diaphragm, and the first coil and the second coil are arranged corresponding to the dome.

[0029] In a second aspect, an embodiment of the present application provides an electronic device, including:

[0030] A speaker as provided in the first aspect embodiment.

[0031] In an embodiment of the present application, the speaker includes a magnetic component, a first coil, a second coil and a vibration component. The magnetic component can generate a magnetic field. At least part of the first coil and at least part of the second coil are located in the magnetic field, and the second coil is located at one end of the first coil. The rotation direction of the first coil is opposite to that of the second coil. The vibration component is connected to at least one of the first coil and the second coil. When the first coil and the second coil are energized, current flows through the first coil and the second coil. The current of the first coil and the current of the second coil cooperate with the magnetic field to generate Ampere force, thereby driving the vibration component so that the vibration component vibrates and makes sound.

[0032] Moreover, the rotation direction of the first coil is opposite to that of the second coil, so when they are disturbed by the same current, the current generated on the first coil and the current generated on the second coil are opposite, so that the Ampere force generated by the magnetic field and the first coil is opposite to the Ampere force generated by the magnetic field and the second coil, so that the two cancel each other out, reducing the movement amplitude of the first coil and the second coil, and even making the first coil and the second coil completely still when disturbed by the current, thereby improving the current sound of the speaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0034] Figure 1 An exploded view of a speaker provided by an embodiment of the present application is shown;

[0035] Figure 2 A schematic diagram of a first coil, a second coil and a conductive member in a speaker provided by an embodiment of the present application is shown;

[0036] Figure 3 A schematic diagram showing a first magnetic member, a second magnetic member, a first coil, and a second coil in a speaker provided by an embodiment of the present application is shown;

[0037] Figure 4 A cross-sectional view of a speaker provided by one embodiment of the present application is shown;

[0038] Figure 5 A cross-sectional view of a speaker provided by one embodiment of the present application is shown;

[0039] Figure 6 A cross-sectional view of a speaker provided by an embodiment of the present application is shown.

[0040] Figures 1 to 6 Reference numerals:

[0041] 100 speaker, 110 magnetic component, 112 first magnetic member, 114 second magnetic member, 116 magnetic conductive member, 120 first coil, 130 second coil, 140 vibration component, 142 diaphragm, 144 dome, 150 conductive member, 160 magnetic cover, 170 bracket. DETAILED DESCRIPTION

[0042] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and should not be construed as limitations on the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present application.

[0043] The term "first" or "second" in the specification and claims of this application may include one or more of the features explicitly or implicitly. In the description of this application, unless otherwise specified, "plurality" means two or more. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / " generally means that the objects connected before and after are in an "or" relationship.

[0044] In the description of the present application, it should be understood that the terms "upper", "inner", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0045] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0046] Combine the following Figures 1 to 6 A speaker 100 and an electronic device according to an embodiment of the present application are described.

[0047] like Figure 1As shown, an embodiment of the present application provides a speaker 100, including: a magnetic component 110, the magnetic component 110 generates a magnetic field; a first coil 120, at least a portion of the first coil 120 is located in the magnetic field; a second coil 130, located at one end of the first coil 120, the rotation direction of the first coil 120 and the rotation direction of the second coil 130 are opposite, and at least a portion of the second coil 130 is located in the magnetic field; a vibration component 140, connected to at least one of the first coil 120 and the second coil 130, when the first coil 120 and the second coil 130 are energized, they jointly drive the vibration component 140 to vibrate.

[0048] In the embodiment of the present application, the speaker 100 includes a magnetic component 110, a first coil 120, a second coil 130 and a vibration component 140. The magnetic component 110 can generate a magnetic field. At least part of the first coil 120 and at least part of the second coil 130 are located in the magnetic field. Moreover, the second coil 130 is located at one end of the first coil 120. The rotation direction of the first coil 120 and the rotation direction of the second coil 130 are opposite. The vibration component 140 is connected to at least one of the first coil 120 and the second coil 130. When the first coil 120 and the second coil 130 are energized, current flows in the first coil 120 and the second coil 130. The current of the first coil 120 and the second coil 130 cooperates with the magnetic field to generate Ampere force, thereby driving the vibration component 140, so that the vibration component 140 vibrates and emits sound.

[0049] And, if Figure 2 As shown, the rotation direction of the first coil 120 is opposite to that of the second coil 130, and thus when subjected to the same current interference, the current generated on the first coil 120 and the current generated on the second coil 130 are opposite, and thus the magnetic field and the Ampere force generated by the first coil 120 are opposite to the Ampere force generated by the magnetic field and the second coil 130, and thus the two cancel each other out, reducing the movement amplitude of the first coil 120 and the second coil 130, and even making the first coil 120 and the second coil 130 completely still when subjected to current interference, thereby improving the current sound of the speaker 100.

[0050] The present application uses a first coil 120 and a second coil 130 of opposite rotation directions to drive the vibration component, so that the induced currents coupled to the first coil 120 and the second coil 130 cancel each other, thereby solving the technical problem that the first coil 120 and the second coil 130 are affected by the interference current and produce a "hissing" current sound.

[0051] The magnetic component 110 can generate a stable magnetic field, and then cooperate with the first coil 120 and the second coil 130 to achieve the sound of the speaker 100.

[0052] like Figure 3As shown, as a possible implementation, the magnetic field formed by the magnetic component 110 includes a first magnetic field and a second magnetic field, the direction of the first magnetic field is opposite to the direction of the second magnetic field, at least a portion of the first coil 120 is located in the first magnetic field, and at least a portion of the second coil 130 is located in the second magnetic field; wherein, when the first coil 120 and the second coil 130 are energized, the directions of the Ampere force generated by the first magnetic field and the first coil 120, and the directions of the Ampere force generated by the second magnetic field and the second coil 130 are the same.

[0053] Specifically, the magnetic field formed by the magnetic component 110 includes a first magnetic field and a second magnetic field in opposite directions, that is, the direction of the magnetic flux lines in the first magnetic field is opposite to the direction of the magnetic flux lines in the second magnetic field, at least part of the first coil 120 is located in the first magnetic field, and then when the first coil 120 is energized, the first magnetic field and the current in the first coil 120 generate Ampere force, at least part of the second coil 130 is located in the second magnetic field, and then when the second coil 130 is energized, the second magnetic field and the current in the second coil 130 generate Ampere force, and, when the speaker 100 is working, when the first coil 120 and the second coil 130 are powered at the same time, the directions of the Ampere forces acting on the first coil 120 and the second coil 130 are the same, so that the two Ampere forces formed act on the vibration component 140 at the same time, which can improve the sound quality and volume of the speaker 100.

[0054] As described above, the first coil 120 and the second coil 130 are placed in two magnetic fields with opposite directions of magnetic flux lines, so that the speaker 100 can be used normally and the technical problem of current interference can be solved by reusing the magnetic circuit.

[0055] like Figure 2 As shown, as a possible implementation, it also includes: a conductive member 150, located between the first coil 120 and the second coil 130, the conductive member 150 connects one end of the first coil 120 facing the second coil 130, and one end of the second coil 130 facing the first coil 120.

[0056] Specifically, the speaker 100 also includes a conductive member 150, which connects the first coil 120 and the second coil 130, thereby realizing synchronous energization of the first coil 120 and the second coil 130 and reducing the complexity of routing the first coil 120 and the second coil 130. The conductive member 150 is arranged between the first coil 120 and the second coil 130, and one end of the conductive member 150 is connected to one end of the first coil 120 facing the second coil 130, and the other end of the conductive member 150 is connected to one end of the second coil 130 facing the first coil 120, thereby saving space and facilitating the layout and routing of the speaker 100.

[0057] Among them, the first coil 120, the second coil 130 and the conductive member 150 can be integrally formed, that is, when manufacturing the first coil 120 and the second coil 130, they can be first wound in one direction to obtain the first coil 120, and then after reserving a certain length of the conductive member 150, they can be wound in the opposite direction to obtain the second coil 130, thereby obtaining the first coil 120, the conductive member 150 and the second coil 130.

[0058] like Figure 1 , Figure 4 , Figure 5 and Figure 6 As shown, as a possible implementation, the magnetic component 110 includes: a first magnetic member 112, a first coil 120 and a second coil 130 arranged around the first magnetic member 112; a second magnetic member 114, arranged on the outside of the first coil 120 and the second coil 130; wherein the S pole of the first magnetic member 112 and the N pole of the second magnetic member 114 are opposite to each other, forming a first magnetic field; the N pole of the first magnetic member 112 and the S pole of the second magnetic member 114 are opposite to each other, forming a second magnetic field.

[0059] Specifically, the magnetic component 110 includes a first magnetic part 112 and a second magnetic part 114, the first coil 120 is arranged around the first magnetic part 112, the second coil 130 is also arranged around the first magnetic part 112, and the second magnetic part 114 is arranged on the outside of the first coil 120 and the second coil 130, so that the first magnetic part 112 and the second magnetic part 114 can form a magnetic field, thereby increasing the magnetic field strength, and the first coil 120 and the second coil 130 are located between the first magnetic part 112 and the second magnetic part 114, thereby enhancing the magnetic field strength acting on the first coil 120 and the second coil 130.

[0060] Among them, the S pole of the first magnetic component 112 and the N pole of the second magnetic component 114 are opposite to each other to form a first magnetic field, and the N pole of the first magnetic component 112 and the S pole of the second magnetic component 114 are opposite to each other to form a second magnetic field, thereby achieving the opposite direction of the first magnetic field and the second magnetic field, and its structure is simple and the reliability is high.

[0061] like Figure 1 As shown, as a possible implementation, the first magnetic member 112 is a polygonal structure, the number of the second magnetic members 114 is multiple, and one second magnetic member 114 is opposite to one side of the first magnetic member 112 .

[0062] Specifically, the first magnetic member 112 is a polygonal structure, and there are multiple second magnetic members 114. A second magnetic member 114 is correspondingly arranged on the side of each first magnetic member 112, so that the force on the first coil 120 and the second coil 130 is more evenly distributed, and the movement of the first coil 120 and the second coil 130 can be smoother, thereby improving the sound quality and volume of the speaker 100.

[0063] The first magnetic member 112 may be in the shape of a triangle, a quadrilateral, a pentagon or a hexagon, etc., and a second magnetic member 114 is correspondingly disposed on each side of the first magnetic member 112 .

[0064] like Figure 1 , Figure 4 , Figure 5 and Figure 6 As shown, as a possible implementation, the magnetic component 110 further includes: a magnetic conductive component 116 , which is disposed on a side of the first magnetic component 112 and the second magnetic component 114 facing the vibration component 140 .

[0065] Specifically, the magnetic component 110 also includes a magnetic conductive component 116 arranged on one side of the first magnetic component 112 and the second magnetic component 114. The magnetic conductive component 116 is located on the side of the first magnetic component 112 and the second magnetic component 114 facing the vibration component 140, so that the magnetic field is fixed at the position of the first coil 120 and the second coil 130 after vibration through the magnetic conductive component 116, thereby increasing the range of action of the magnetic field, thereby improving the sound quality and volume of the speaker 100.

[0066] The magnetic conductive member 116 has a relatively high magnetic permeability, thereby guiding the direction of the magnetic field and fixing the magnetic flux lines output by the first magnetic member 112 and the second magnetic member 114 in the moving area of ​​the first coil 120 and the second coil 130, thereby improving the BL coefficient of the speaker 100 (the product of the magnetic field strength B of the coil magnetic gap and the length L of the voice coil wire).

[0067] As a possible implementation, the number of turns of the first coil 120 is the same as that of the second coil 130 ; the material of the first coil 120 is the same as that of the second coil 130 ; the cross-sectional area of ​​the first coil 120 is the same as that of the second coil 130 .

[0068] Specifically, the number of turns of the first coil 120 is the same as the number of turns of the second coil 130, the material of the first coil 120 is the same as the material of the second coil 130, and the cross-sectional area of ​​the first coil 120 is the same as the cross-sectional area of ​​the second coil 130, thereby ensuring that the current and Ampere force generated by the interference current acting on the first coil 120 and the second coil 130 are equal in magnitude and opposite in direction, so that the Ampere force on the first coil 120 and the Ampere force on the second coil 130 can be completely offset, thereby improving the current sound of the speaker 100.

[0069] The speaker 100 provided in the present application is composed of a split first coil 120 and a second coil 130 to form a coil, and the first coil 120 and the second coil 130 have opposite rotation directions, that is, the winding directions of the two are opposite, so that the interference amounts coupled to the first coil 120 and the second coil 130 are equal and opposite in direction, thereby canceling out the interference.

[0070] That is, the first coil 120 and the second coil 130 have opposite rotation directions, and the rest of the turns, materials and cross-sectional areas are exactly the same. Moreover, the first coil 120 and the second coil 130 are both connected to the vibration component 140 to provide power for the vibration component 140.

[0071] The present application solves the technical problem that the speaker 100 at the circuit board level is prone to generate interference current sound from the device end. By adopting a first coil 120 and a second coil 130 that are completely identical except for the opposite rotation direction, the problem of current interference can be completely solved. In addition, there is no need to change the layout of the circuit board, there is no need to change the routing of the circuit board, and there is no need to use software to offset the current sound, thereby reducing the difficulty of circuit board layout and circuit board routing, and reducing software investment.

[0072] like Figure 2 As shown, when the speaker 100 plays audio normally, the audio signal current is input from the P terminal and flows out from the N terminal, and the directions of the currents generated by the audio signal in the first coil 120 and the second coil 130 are opposite.

[0073] like Figure 3 As shown, the first coil 120 and the second coil 130 are divided into the polar regions of the first magnetic member 112 and the second magnetic member 114, that is, the first coil 120 corresponds to the first magnetic field between the first magnetic member 112 and the second magnetic member 114, and the second coil 130 corresponds to the second magnetic field between the first magnetic member 112 and the second magnetic member 114, and the direction of the magnetic flux lines of the first magnetic field is opposite to the direction of the magnetic flux lines of the second magnetic field.

[0074] like Figure 5 As shown, when the speaker 100 plays audio normally, the currents and magnetic flux lines generated on the first coil 120 and the second coil 130 are in opposite directions, but the Ampere forces they are subjected to are in the same direction. The Ampere force on the first coil 120 and the Ampere force on the second coil 130 are superimposed, so that the speaker 100 can work normally.

[0075] like Figure 2 As shown, when there is an interference signal, based on Faraday's law of electromagnetic induction, opposite magnetic fields are generated in the first coil 120 and the second coil 130, and the directions of the induced currents generated in the wires on the same side of the first coil 120 and the second coil 130 are the same, as shown in FIG. Figure 3As shown, the directions of the magnetic flux lines of the first magnetic field and the second magnetic field are opposite, so Figure 6 As shown, when the speaker 100 is disturbed by current, the current directions generated on the first coil 120 and the second coil 130 are the same, the magnetic flux lines are in opposite directions, and the Ampere forces they are subjected to are in opposite directions. As a result, the Ampere force on the first coil 120 and the Ampere force on the second coil 130 cancel each other out, so that the speaker 100 does not emit a "sizzling" sound caused by current interference.

[0076] like Figure 1 , Figure 4 , Figure 5 and Figure 6 As shown, as a possible implementation, it also includes: a magnetic cover 160, the magnetic component 110 is arranged on the magnetic cover 160; a bracket 170, which is located on one side of the magnetic cover 160, the vibration component 140 is arranged on the bracket 170, and the first coil 120 and the second coil 130 are located on the inner side of the bracket 170.

[0077] Specifically, the speaker 100 also includes a magnetic cover 160 and a bracket 170, the magnetic component 110 is arranged on the magnetic cover 160, the bracket 170 is located on one side of the magnetic cover 160, and the first coil 120 and the second coil 130 are located on the inner side of the bracket 170, and the vibration component 140 is arranged on the bracket 170, so that the speaker 100 forms a whole, thereby facilitating the installation and use of the speaker 100.

[0078] The bracket 170 is mainly used to support the vibration assembly 140 and the internal structure of the speaker 100, and occupies a certain space. The magnetic cover 160 can fix the first magnetic member 112 and the second magnetic member 114, and serves as a structural member of the lower half of the speaker 100.

[0079] like Figure 1 , Figure 4 , Figure 5 and Figure 6 As shown, as a possible implementation, the vibration assembly 140 further includes: a diaphragm 142 ; a dome 144 disposed on the diaphragm 142 , and the first coil 120 and the second coil 130 are disposed corresponding to the dome 144 .

[0080] Specifically, the vibration assembly 140 also includes a diaphragm 142 and a dome 144. The dome 144 is arranged on the diaphragm 142. The first coil 120 and the second coil 130 are arranged corresponding to the dome 144. Therefore, when the first coil 120 and the second coil 130 move, the dome 144 is driven to move and push the air. The diaphragm 142 adapts to the movement of the dome 144 by deformation, thereby ensuring the sound quality and volume of the speaker 100.

[0081] The first coil 120 is disposed around the first magnetic member 112 and is suspended below the ball top 144 to generate a magnetic field when an alternating current is passed through it. The second coil 130 is also disposed around the first magnetic member 112 and is suspended below the ball top 144 to generate a magnetic field when an alternating current is passed through it, thereby driving the vibration component 140.

[0082] Furthermore, the dome 144 may be disposed in the middle of the diaphragm 142 , and the edge of the diaphragm 142 is connected to the bracket 170 .

[0083] The diaphragm 142 can connect the dome 144 and the bracket 170 , and has good softness, playing a role similar to a spring; the dome 144 is attached to the diaphragm 142 , and when the dome 144 moves, it pushes the air to generate sound.

[0084] An embodiment of the present application provides an electronic device, including: a speaker 100 provided in the embodiment of the first aspect.

[0085] In the embodiment of the present application, the electronic device includes the speaker 100 provided in the embodiment of the first aspect, and therefore has all the beneficial effects of the speaker 100 provided in the embodiment of the first aspect, which are not listed one by one here.

[0086] The electronic device may be a terminal or other device other than the electronic device. For example, the electronic device may be a mobile phone, a tablet computer, a laptop computer, a PDA, a music player, a private network communication terminal device (such as a walkie-talkie), a mobile Internet device (Mobile Internet Device, MID), an augmented reality / virtual reality / mixed reality device, a robot, a wearable device, an ultra-mobile personal computer (ultra-mobile personal computer, UMPC), a netbook or a personal digital assistant (personal digital assistant, PDA), etc., and the embodiments of the present application do not specifically limit this.

[0087] In the description of this specification, the description with reference to the terms "one embodiment" or "specific embodiment" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0088] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. A loudspeaker, characterized in that: include: A magnetic component that generates a magnetic field; a first coil, at least a portion of which is located within the magnetic field; a second coil, located at one end of the first coil, the hand direction of the first coil is opposite to the hand direction of the second coil, and at least a portion of the second coil is located in the magnetic field; The vibration component is connected to at least one of the first coil and the second coil. When the first coil and the second coil are energized, they jointly drive the vibration component to vibrate.

2. The loudspeaker according to claim 1, characterized in that The magnetic field formed by the magnetic component includes a first magnetic field and a second magnetic field, the direction of the first magnetic field is opposite to the direction of the second magnetic field, at least part of the first coil is located in the first magnetic field, and at least part of the second coil is located in the second magnetic field; When the first coil and the second coil are energized, the directions of the first magnetic field and the Ampere force generated by the first coil, and the directions of the second magnetic field and the Ampere force generated by the second coil are the same.

3. The loudspeaker according to claim 2, characterized in that Also includes: The conductive member is located between the first coil and the second coil, and the conductive member connects one end of the first coil facing the second coil and one end of the second coil facing the first coil.

4. The loudspeaker according to claim 2, characterized in that The magnetic assembly comprises: a first magnetic member, the first coil and the second coil being arranged around the first magnetic member; A second magnetic member is arranged outside the first coil and the second coil; The S pole of the first magnetic component is opposite to the N pole of the second magnetic component, forming the first magnetic field; the N pole of the first magnetic component is opposite to the S pole of the second magnetic component, forming the second magnetic field.

5. The loudspeaker according to claim 4, characterized in that The first magnetic member is a polygonal structure, the number of the second magnetic members is plural, and one of the second magnetic members is opposite to one side of the first magnetic member.

6. The loudspeaker according to claim 4, characterized in that The magnetic assembly further comprises: The magnetic conductive member is arranged on a side of the first magnetic member and the second magnetic member facing the vibration component.

7. The loudspeaker according to any one of claims 1 to 6, characterized in that: The number of turns of the first coil is the same as the number of turns of the second coil; The material of the first coil is the same as the material of the second coil; The cross-sectional area of ​​the first coil is the same as the cross-sectional area of ​​the second coil.

8. The loudspeaker according to any one of claims 1 to 6, characterized in that: Also includes: A magnetic cover, wherein the magnetic component is arranged on the magnetic cover; The bracket is located on one side of the magnetic cover, the vibration component is arranged on the bracket, and the first coil and the second coil are located on the inner side of the bracket.

9. The loudspeaker according to any one of claims 1 to 6, characterized in that: The vibration assembly also includes: Diaphragm; A dome is arranged on the diaphragm, and the first coil and the second coil are arranged corresponding to the dome.

10. An electronic device, characterized in that: include: A loudspeaker as claimed in any one of claims 1 to 9.

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