Sound box

By using magnetic induction components and commutator in the speaker to adjust the direction of the magnetic field force, the secondary machine is spiraled, which solves the problem of single speaker function and insufficient sense of technology, and improves the playability and market competitiveness of the speaker.

CN222366355UActive Publication Date: 2025-01-17SHENZHEN FENDA TECH CO LTD
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Patent Information

Application Number
CN202420998496.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2025-01-17
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

The existing speakers have single functions and lack playability and technology, resulting in insufficient market competitiveness.

Method used

A speaker is designed, using the main control board and the sub-control board to include magnetic induction components and commutator respectively. By adjusting the direction of the magnetic field force, the secondary machine can spiral up or down, increasing playability and sense of technology.

Benefits of technology

The playability of speakers is improved and market competitiveness is enhanced, making them not only a professional speaker, but also a living room decoration piece.

✦ Generated by Eureka AI based on patent content.

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Abstract

The sound box comprises a main machine and an auxiliary machine, the main machine comprises a main shell, a main control board used for being connected with an external power supply, a first magnetic induction assembly used for generating first magnetic field force and a first commutator used for changing the direction of the first magnetic field force, and the main control board is fixed on the main shell. The first magnetic induction assembly and the first commutator are electrically connected with the main control board, and the main shell is convexly provided with at least one limiting rod; the auxiliary machine comprises an auxiliary shell, a loudspeaker, a rechargeable battery, a sub-control board in communication connection with the main control board, a second magnetic induction assembly used for generating second magnetic field force and a second commutator used for changing the direction of the second magnetic field force, and the loudspeaker, the rechargeable battery and the sub-control board are all fixed to the auxiliary shell. The loudspeaker, the rechargeable battery, the second magnetic induction assembly and the second commutator are all electrically connected with the sub-control board, the auxiliary shell is provided with at least one spirally-arranged guide groove, the limiting rod slides in the guide groove, and the auxiliary machine can spirally ascend or descend relative to the main machine by adjusting the first commutator and / or the second commutator.
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Description

Technical Field

[0001] The utility model relates to the technical field of electronic equipment structures, in particular to a sound box. Background Art

[0002] At present, the speaker is the terminal of the entire audio system. Its function is to convert audio electrical energy into corresponding sound energy and radiate it into space. It is an extremely important component of the audio system and is responsible for converting electrical signals into sound signals for direct human hearing.

[0003] However, the existing speakers have relatively simple functions and are only used as audio output devices. They are not attractive enough to attract people's attention, are not playable, lack a sense of technology, and have no market competitiveness. Utility Model Content

[0004] The purpose of the utility model is to provide a speaker to solve the technical problems that the existing speakers have relatively simple functions, are only used as an audio output device, have little attraction to attract people's attention, are not playable, lack a sense of technology, and have no market competitiveness.

[0005] The utility model provides a sound box, comprising:

[0006] A host, comprising a main shell, a main control board for connecting to an external power supply, a first magnetic induction component for generating a first magnetic field force, and a first commutator for changing the direction of the first magnetic field force, wherein the main control board is fixed to the main shell, the first magnetic induction component and the first commutator are both electrically connected to the main control board, and the main shell is convexly provided with at least one limit rod;

[0007] The auxiliary machine includes an auxiliary shell, a speaker, a rechargeable battery, a sub-control board communicatively connected to the main control board, a second magnetic induction component for generating a second magnetic field force, and a second commutator for changing the direction of the second magnetic field force. The speaker, the rechargeable battery and the sub-control board are all fixed on the auxiliary shell, and the speaker, the rechargeable battery, the second magnetic induction component and the second commutator are all electrically connected to the sub-control board. The auxiliary shell is provided with at least one spirally arranged guide groove, and the limit rod is slidably installed in the guide groove. By adjusting the first commutator and / or the second commutator, the auxiliary machine can spirally rise or spirally descend relative to the main machine.

[0008] Furthermore, the main shell includes a first shell, an annular support plate and at least one limit rod, the annular support plate is protruded on the first shell, the limit rod is protruded on the outer side wall of the annular support plate, and the main control board is fixed on the first shell.

[0009] Furthermore, the secondary shell includes a second shell and an annular limit plate protruding from the bottom of the second shell, the annular limit plate is penetrated by at least one guide groove, the top of the first shell is provided with a groove, the annular support plate is protruding from the bottom wall of the groove, the annular support plate is inserted into the annular limit plate, and the speaker, the rechargeable battery and the sub-control board are all fixed on the second shell.

[0010] Further, the annular support plate includes two first arc-shaped plates arranged opposite to each other, and the two first arc-shaped plates are both protruded on the bottom wall of the groove. The number of the limit rods and the guide grooves is two. The two limit rods are respectively protruded on the two first arc-shaped plates, and the two guide grooves are both penetrated through the annular limit plate, and the two limit rods are respectively inserted into the two guide grooves.

[0011] Furthermore, the annular limiting plate includes two second arc-shaped plates that are arranged opposite to each other, the two second arc-shaped plates are both protruded from the bottom of the second shell, and the two guide grooves are respectively penetrated through the two second arc-shaped plates.

[0012] Furthermore, a positioning groove is further provided on the top of the first shell, and the groove is provided on the bottom wall of the positioning groove;

[0013] A positioning portion is also protruded from the bottom of the second housing, and when the first commutator and / or the second commutator are adjusted, the positioning portion can extend into or out of the positioning groove.

[0014] Furthermore, the host also includes at least one buffer pad, which is installed in the positioning groove and abuts against the positioning portion.

[0015] Furthermore, the first magnetic induction component includes a plurality of first electromagnets and a plurality of first coils electrically connected to the main control board. The first electromagnets are fixed on the main control board at intervals. The first electromagnets are enclosed to form a ring structure. The first coils are respectively wound around the first electromagnets.

[0016] Furthermore, the second magnetic induction component includes a plurality of second electromagnets and a plurality of second coils electrically connected to the sub-control board. The second electromagnets are fixed on the sub-control board at intervals. The second electromagnets are enclosed to form an annular structure. The second coils are respectively wound around the second electromagnets.

[0017] Furthermore, a central axis of the annular structure formed by each of the first electromagnets coincides with a central axis of the annular structure formed by each of the second electromagnets.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] The first magnetic induction component of the utility model can generate a first magnetic field force when powered on, and the second magnetic induction component can generate a second magnetic field force when powered on. The external power supply, the first magnetic induction component and the first commutator are all electrically connected to the main control board and can form a closed loop. The speaker, the rechargeable battery, the second magnetic induction component and the second commutator are all electrically connected to the sub-control board and can form another closed loop. The sub-control board is communicatively connected to the main control board. When the first commutator and / or the second commutator are adjusted, the direction of the first magnetic field force and / or the second magnetic field force can be changed, and with the cooperation of the limit rod and the guide groove, the auxiliary machine can spirally rise or fall relative to the main machine, so that the auxiliary machine can achieve the purpose of rotating with the sound, which increases the playability and technological sense of the speaker. It can be used as a professional speaker or as a living room decoration, which greatly increases the market competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the structure of a speaker provided in an embodiment of the utility model;

[0021] Figure 2 A cross-sectional view of a speaker box provided by an embodiment of the utility model when the auxiliary unit is in a fallen state;

[0022] Figure 3 An exploded view of a speaker provided in an embodiment of the utility model;

[0023] Figure 4 A schematic diagram of the structure of a host provided by an embodiment of the utility model;

[0024] Figure 5 An exploded view of a host provided by an embodiment of the utility model;

[0025] Figure 6 A schematic diagram of the structure of a base provided in an embodiment of the utility model;

[0026] Figure 7 A schematic diagram of the structure of the auxiliary machine provided in the embodiment of the utility model;

[0027] Figure 8 An exploded view of the auxiliary machine provided in an embodiment of the utility model;

[0028] Fig. 9 An exploded view of the auxiliary machine provided by the embodiment of the utility model after the mesh cover is removed;

[0029] Fig.10 A cross-sectional view of a speaker provided in an embodiment of the utility model when the auxiliary unit is suspended.

[0030] In the figure:

[0031] 10. Main unit; 11. Main housing; 111. Limit rod; 112. First housing; 1121. Groove; 1122. Positioning groove; 113. Annular support plate; 1131. First arc-shaped plate; 114. First accommodation space; 115. Base; 1151. Stud; 1152. Threaded hole; 116. Cover plate; 1161. Perforation; 12. Main control board; 13. First magnetic induction component; 131. First electromagnet; 14. Buffer pad; 15. Fastener; 20. Auxiliary unit ; 21. Subshell; 211. Guide groove; 212. Second shell; 2121. Positioning portion; 2122. Top cover; 2123. Support; 2124. Bottom shell; 213. Annular limit plate; 2131. Second arc-shaped plate; 214. Second accommodating space; 215. Sound hole; 216. First chamber; 217. Second chamber; 22. Speaker; 23. Rechargeable battery; 24. Sub-control board; 25. Second magnetic induction component; 251. Second electromagnet; 26. Mesh cover. DETAILED DESCRIPTION

[0032] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0033] See also Figures 1 to 4 As shown, an embodiment of the utility model discloses a sound box, including a main unit 10 and an auxiliary unit 20. The main unit 10 includes a main shell 11, a main control board 12, a first magnetic induction component 13 and a first commutator. The main control board 12 is used to connect to an external power supply. The main control board 12 is fixed on the main shell 11. The first magnetic induction component 13 and the first commutator can be fixed on the main shell 11, and of course can also be fixed on the main control board 12. The first magnetic induction component 13 and the first commutator are both electrically connected to the main control board 12. The external power supply, the main control board 12, the first magnetic induction component 13 and the first commutator can form a closed loop after being connected. Under the action of the external power supply, a stable current can be generated in the closed loop, so that the first magnetic induction component 13 can generate a vertically arranged first magnetic field force after being powered on. The first commutator can commutate the positive and negative poles of the current in the closed loop at any time to change the north and south pole directions of the first magnetic field force. The main shell 11 is convexly provided with at least one limit rod 111.

[0034] The auxiliary machine 20 includes a sub-shell 21, a speaker 22, a rechargeable battery 23, a sub-control board 24, a second magnetic induction component 25 and a second commutator. The speaker 22, the rechargeable battery 23 and the sub-control board 24 are all fixed on the sub-shell 21. The sub-control board 24 is wirelessly connected to the main control board 12. The speaker 22, the rechargeable battery 23, the second magnetic induction component 25 and the second commutator are all electrically connected to the sub-control board 24. The speaker 22, the rechargeable battery 23, the second magnetic induction component 25, the second commutator and the sub-control board 24 can also form a closed loop after being connected. Under the action of the rechargeable battery 23, a stable current can be generated in the closed loop. The second magnetic induction component 25 can be used to generate a second vertically arranged magnetic field force after being energized. The second The magnetic induction component 25 and the second commutator can be fixed on the auxiliary shell 21, and of course can also be fixed on the sub-control board 24. The second commutator can commutate the positive and negative poles of the current in the circuit to change the north and south pole directions of the second magnetic field force. The current in the main unit 10 and the current in the auxiliary unit 20 do not need to be the same. The auxiliary shell 21 is provided with at least one spirally arranged guide groove 211, and the limit rod 111 is slidably installed in the guide groove 211. By adjusting the first commutator and / or the second commutator, the directions of the first magnetic field force and the second magnetic field force can be changed accordingly, so that the auxiliary unit 20 can spirally rise or spirally descend relative to the main unit 10, so that the auxiliary unit 20 can achieve the purpose of rotating with the sound, thereby increasing the playability and technological sense of the speaker.

[0035] In some embodiments, the host 10 also includes a first adjustable resistor, which is electrically connected to the main control board 12. Through the chip and amplifier circuit inside the main control board 12, the change of the current in the corresponding loop is monitored and amplified with the cooperation of the first adjustable resistor, thereby forming a continuously fluctuating current output to the first magnetic induction component 13, thereby generating a changing first magnetic field force.

[0036] The auxiliary machine 20 also includes a second adjustable resistor, which is electrically connected to the sub-control board 24. Through the internal chip and amplifier circuit of the sub-control board 24, the change of the current in the corresponding circuit is monitored and amplified with the cooperation of the second adjustable resistor, thereby forming a continuously fluctuating current output to the second magnetic induction component 25, thereby generating a changing second magnetic field force. Since the currents in the two circuits are in a fluctuating state, the magnitudes of the first magnetic field force and the second magnetic field force can be adjusted at any time, so that the auxiliary machine 20 can reciprocate in the vertical direction relative to the main machine 10 according to the music, so as to further achieve the purpose of the auxiliary machine 20 moving with the music, which greatly increases the market competitiveness. When on standby, the auxiliary machine 20 is only suspended above the main machine 10.

[0037] Please read further Figures 3 to 9In this embodiment, the main shell 11 includes a first shell 112, an annular support plate 113 and at least one of the limit rods 111. The annular support plate 113 is protruded on the first shell 112, and the limit rod 111 is protruded on the outer wall of the annular support plate 113. The main control board 12 is fixed on the first shell 112. Under the action of the first magnetic field force and the second magnetic field force, the auxiliary machine 20 can spirally rise or spirally descend relative to the first shell 112 through the cooperation of the limit rod 111 and the guide groove 211.

[0038] The secondary shell 21 includes a second shell 212 and an annular limit plate 213 protruding from the bottom of the second shell 212. The annular limit plate 213 is penetrated by at least one of the guide grooves 211. The top of the first shell 112 is provided with a groove 1121. The annular support plate 113 is protruding from the bottom wall of the groove 1121. The annular support plate 113 is inserted into the annular limit plate 213. The annular limit plate 213 is partially located in the groove 1121. By adjusting the first commutator and / or the second commutator, the limit rod 111 can reciprocate in the guide groove 211. The speaker 22, the rechargeable battery 23 and the sub-control panel 24 are all fixed on the second shell 212.

[0039] In some embodiments, the annular support plate 113 includes two first arc plates 1131 that are oppositely arranged, and the two first arc plates 1131 are both protruding on the bottom wall of the groove 1121. The two first arc plates 1131 are both located in the annular limit plate 213 to avoid the phenomenon of squeezing the limit rod 111 during the assembly process. The number of the limit rods 111 and the guide grooves 211 are both two. The two limit rods 111 are respectively protruding on the two first arc plates 1131, and the two guide grooves 211 are both penetrated on the annular limit plate 213. The two limit rods 111 are respectively inserted into the two guide grooves 211, so that the auxiliary machine 20 can spirally rise or spirally descend more stably relative to the main machine 10.

[0040] In some embodiments, the annular limit plate 213 includes two oppositely arranged second arc plates 2131, the two second arc plates 2131 are both protruding from the bottom of the second shell 212, the two first arc plates 1131 are located between the two second arc plates 2131, and the two guide grooves 211 are respectively penetrated on the two second arc plates 2131. There is no limit requirement on the length of the guide groove 211, and it is only necessary to enable the auxiliary machine 20 to achieve spiral ascent or descent relative to the main machine 10.

[0041] A positioning groove 1122 is also provided on the top of the first shell 112, and a groove 1121 is provided on the bottom wall of the positioning groove 1122; a positioning portion 2121 is also protrudingly provided on the bottom of the second shell 212, and an annular limiting plate 213 is protrudingly provided on the bottom of the positioning portion 2121. When adjusting the first commutator and / or the second commutator, the positioning portion 2121 can extend into or out of the positioning groove 1122 to strengthen the limiting of the operation process of the auxiliary machine 20.

[0042] The main unit 10 further includes at least one buffer pad 14 , which is installed in the positioning groove 1122 . The buffer pad 14 abuts against the positioning portion 2121 to provide a certain buffering effect when the auxiliary unit 20 moves downward.

[0043] In this embodiment, the first magnetic induction component 13 includes multiple first electromagnets 131 and multiple first coils electrically connected to the main control board 12. The number of first electromagnets 131 and first coils is twelve. The first electromagnets 131 are fixed on the main control board 12 at intervals. The first electromagnets 131 are enclosed to form an annular structure. The first coils are respectively wound around the first electromagnets 131, so that the first magnetic induction component 13 can generate the first magnetic field force set vertically after power is turned on.

[0044] The second magnetic induction component 25 includes a plurality of second electromagnets 251 and a plurality of second coils electrically connected to the sub-control board 24. The number of the second electromagnets 251 and the second coils are both twelve. The second electromagnets 251 are fixed on the sub-control board 24 at intervals. The second electromagnets 251 are enclosed to form an annular structure. The second coils are respectively wound around the second electromagnets 251, so that the second magnetic induction component 25 can generate the second magnetic field force arranged vertically after being energized. When the first magnetic field force and the second magnetic field force reach a balance, the auxiliary machine 20 will be suspended above the main machine 10.

[0045] In some embodiments, the annular structure formed by each first electromagnet 131 is substantially the same size as the annular structure formed by each second electromagnet 251, and the central axis of the annular structure formed by each first electromagnet 131 coincides with the central axis of the annular structure formed by each second electromagnet 251, and they are coaxially arranged so that the first magnetic field force can be directly opposite to the second magnetic field force, thereby ensuring that the auxiliary machine 20 can run up and down relative to the main machine 10 without deviating during operation.

[0046] Please read further Figures 2 to 10 In this embodiment, the main shell 11 is also provided with a first accommodating space 114, and the main control board 12, the first magnetic induction component 13 and the first commutator are all located in the first accommodating space 114. The main control board 12 is a ring structure, and the first magnetic induction component 13 and the first commutator are both fixed on the main control board 12. The main control board 12 is used to connect to an external power supply, and the external power supply provides power to the host 10.

[0047] The auxiliary shell 21 is also provided with a second accommodating space 214 and at least one sound hole 215 connected to the second accommodating space 214. The speaker 22, the rechargeable battery 23, the sub-control board 24, the second magnetic induction component 25 and the second commutator are all located in the second accommodating space 214. The second magnetic induction component 25 and the second commutator are both fixed on the sub-control board 24. The speaker 22 is located at the center of the auxiliary machine 20 so that the entire auxiliary machine 20 can maintain balance when running up and down.

[0048] The first shell 112 includes a base 115 and a cover plate 116. The cover plate 116 is installed on the base 115 and encloses the base 115 to form the first accommodating space 114 and the groove 1121. The main control board 12 is fixed on the base 115. The positioning groove 1122 is provided on the cover plate 116. The annular support plate 113 is protruded on the base 115.

[0049] In some embodiments, the host 10 also includes multiple fasteners 15, the cover 116 is provided with multiple through holes 1161, the base 115 is protruding with multiple studs 1151, the studs 1151 are provided with threaded holes 1152, and the fasteners 15 pass through the through holes 1161 and are connected to the threaded holes 1152, thereby installing the cover 116 on the base 115.

[0050] The second shell 212 includes a top cover 2122, a support 2123 and a bottom shell 2124. The top cover 2122 is installed on the top of the support 2123 and is enclosed with the support 2123 to form a first chamber 216. The speaker 22 and the rechargeable battery 23 are both installed in the first chamber 216. The sound hole 215 is provided on the top cover 2122 and is corresponding to the speaker 22. The bottom shell 2124 is installed on the bottom of the support 2123 and is enclosed with the support 2123 to form a second chamber 217. The sub-control panel 24 and the second magnetic induction component 25 are both located in the second chamber 217. The positioning portion 2121 is provided on the bottom shell 2124. The first chamber 216 and the second chamber 217 are connected to form the second accommodating space 214.

[0051] In some embodiments, the auxiliary machine 20 further includes a mesh cover 26 , which is installed on the top cover 2122 and covers each sound hole 215 to prevent external dust from entering the second accommodation space 214 .

[0052] In summary, the first magnetic induction component 13 of the utility model can generate a first magnetic field force when powered on, and the second magnetic induction component 25 can generate a second magnetic field force when powered on. The external power supply, the first magnetic induction component 13 and the first commutator are all electrically connected to the main control board 12 and can form a closed loop. The speaker 22, the rechargeable battery 23, the second magnetic induction component 25 and the second commutator are all electrically connected to the sub-control board 24 and can form another closed loop. The sub-control board 24 is communicatively connected to the main control board 12. When the first commutator and / or the second commutator are adjusted, the direction of the first magnetic field force and / or the second magnetic field force can be changed, and with the cooperation of the limit rod 111 and the guide groove 211, the auxiliary machine 20 can spirally rise or fall relative to the main machine 10, so that the auxiliary machine 20 can achieve the purpose of rotating with the sound, which increases the playability and sense of technology of the speaker. It can be used as a professional speaker or as a living room decoration, which greatly increases the market competitiveness.

[0053] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A sound box, characterized in that: include: A host, comprising a main shell, a main control board for connecting to an external power supply, a first magnetic induction component for generating a first magnetic field force, and a first commutator for changing the direction of the first magnetic field force, wherein the main control board is fixed to the main shell, the first magnetic induction component and the first commutator are both electrically connected to the main control board, and the main shell is convexly provided with at least one limit rod; The auxiliary machine includes an auxiliary shell, a speaker, a rechargeable battery, a sub-control board communicatively connected to the main control board, a second magnetic induction component for generating a second magnetic field force, and a second commutator for changing the direction of the second magnetic field force. The speaker, the rechargeable battery and the sub-control board are all fixed on the auxiliary shell, and the speaker, the rechargeable battery, the second magnetic induction component and the second commutator are all electrically connected to the sub-control board. The auxiliary shell is provided with at least one spirally arranged guide groove, and the limit rod is slidably installed in the guide groove. By adjusting the first commutator and / or the second commutator, the auxiliary machine can spirally rise or spirally descend relative to the main machine.

2. The speaker according to claim 1, characterized in that: The main shell includes a first shell, an annular support plate and at least one limit rod, the annular support plate is convexly arranged on the first shell, the limit rod is convexly arranged on the outer side wall of the annular support plate, and the main control board is fixed on the first shell.

3. The speaker according to claim 2, characterized in that: The secondary shell includes a second shell and an annular limiting plate protruding from the bottom of the second shell, the annular limiting plate is penetrated by at least one guide groove, the top of the first shell is provided with a groove, the annular support plate is protruding from the bottom wall of the groove, the annular support plate is inserted into the annular limiting plate, and the speaker, the rechargeable battery and the sub-control board are all fixed on the second shell.

4. The speaker according to claim 3, characterized in that: The annular support plate includes two first arc-shaped plates arranged opposite to each other, and the two first arc-shaped plates are both protruded on the bottom wall of the groove. The number of the limit rods and the guide grooves are both two. The two limit rods are respectively protruded on the two first arc-shaped plates, and the two guide grooves are both penetrated through the annular limit plate, and the two limit rods are respectively inserted into the two guide grooves.

5. The speaker according to claim 4, characterized in that: The annular limiting plate includes two second arc-shaped plates arranged opposite to each other. The two second arc-shaped plates are both convexly arranged on the bottom of the second shell body. The two guide grooves are respectively penetrated through the two second arc-shaped plates.

6. The speaker according to claim 3, characterized in that: A positioning groove is also provided on the top of the first shell, and the groove is provided on the bottom wall of the positioning groove; A positioning portion is also protruded from the bottom of the second housing, and when the first commutator and / or the second commutator are adjusted, the positioning portion can extend into or out of the positioning groove.

7. The speaker according to claim 6, characterized in that: The host further includes at least one buffer pad, which is installed in the positioning groove and abuts against the positioning portion.

8. The speaker according to claim 1, characterized in that: The first magnetic induction component includes a plurality of first electromagnets and a plurality of first coils electrically connected to the main control board. The first electromagnets are fixed on the main control board at intervals. The first electromagnets are enclosed to form a ring structure. The first coils are respectively wound around the first electromagnets.

9. The speaker according to claim 8, characterized in that: The second magnetic induction component includes a plurality of second electromagnets and a plurality of second coils electrically connected to the sub-control board. The second electromagnets are fixed on the sub-control board at intervals. The second electromagnets are enclosed to form a ring structure. The second coils are respectively wound around the second electromagnets.

10. The speaker according to claim 9, characterized in that: The central axis of the annular structure formed by each of the first electromagnets coincides with the central axis of the annular structure formed by each of the second electromagnets.