CN117098049B - Speaker box and handwriting pen - Google Patents

Speaker box and handwriting pen Download PDF

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Publication number
CN117098049B
CN117098049B CN202311358025.4A CN202311358025A CN117098049B CN 117098049 B CN117098049 B CN 117098049B CN 202311358025 A CN202311358025 A CN 202311358025A CN 117098049 B CN117098049 B CN 117098049B
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China
Prior art keywords
magnetic steel
upper cover
magnetic
fixed
steel
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Active
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CN202311358025.4A
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Chinese (zh)
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CN117098049A (en
Inventor
任璋
钟志威
宋威
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AAC Microtech Changzhou Co Ltd
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AAC Microtech Changzhou Co Ltd
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Priority to CN202311358025.4A priority Critical patent/CN117098049B/en
Publication of CN117098049A publication Critical patent/CN117098049A/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/11Aspects regarding the frame of loudspeaker transducers

Abstract

The invention relates to the field of electroacoustic conversion, and provides a loudspeaker box and a handwriting pen, wherein the loudspeaker box comprises: the sound-producing device comprises a lower cover, an upper cover, sound-producing monomers and edge magnetic steel; the sounding unit comprises a basin frame, a first basin frame, a vibration system and a magnetic circuit system, wherein the vibration system and the magnetic circuit system are respectively fixed on the basin frame; the magnetic circuit system comprises a lower clamping plate, magnetic steel, a pole core with a protruding part and a first auxiliary magnetic steel; the magnetic steel comprises main magnetic steel and auxiliary magnetic steel which is arranged around the main magnetic steel and forms a magnetic gap at intervals; the vibration system comprises a vibrating diaphragm, a voice coil, a first vibrating diaphragm and a first voice coil; the side magnetic steel is fixed on the upper cover and opposite to the magnetizing direction of the auxiliary magnetic steel. The loudspeaker box in the embodiment can reduce the magnetic leakage phenomenon, so that the magnetic leakage energy of the loudspeaker box can reach the magnetic leakage standard of the handwriting pen, and the phenomenon that the handwriting pen is not straight in scribing due to the fact that the magnetic leakage energy of the loudspeaker box cannot reach the magnetic leakage standard of the handwriting pen is avoided.

Description

Speaker box and handwriting pen
Technical Field
The invention relates to the field of electroacoustic conversion, in particular to a loudspeaker box and a handwriting pen.
Background
The loudspeaker box is a sounding device for sounding, and mainly comprises an upper cover, a lower cover and a sounding monomer, wherein the lower cover and the upper cover are arranged around to form an accommodating space, the sounding monomer is accommodated in the accommodating space, the accommodating space is divided into a front sound cavity and a rear cavity by the sounding monomer, and the front sound cavity and a sound guide channel of the upper cover are communicated to form a front cavity together.
When the loudspeaker box is applied to the handwriting pen, the magnetic leakage requirement of the loudspeaker box is required to reach a certain standard, in the related art, the magnetic circuit system of the sounding monomer is fixed with the basin frame through the lower clamping plate, so that the magnetic leakage is realized at the four corners of the lower clamping plate, but the magnetic leakage is too large due to the arrangement of the structure in the related art, so that the handwriting pen is not straight in scribing, that is, the magnetic leakage of the loudspeaker box in the related art cannot reach the standard, and the handwriting pen is not straight in scribing easily.
Therefore, it is necessary to provide a new speaker box to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a loudspeaker box and a handwriting pen, which are used for solving the problems that the magnetic flux leakage of the loudspeaker box in the related art can not reach the magnetic flux leakage standard of the handwriting pen and the handwriting pen is easy to cause the streak of the handwriting pen to be not straight.
In order to achieve the above object, the present invention provides a speaker box comprising:
a lower cover;
the upper cover is covered on the lower cover and is enclosed with the lower cover together to form an accommodating space; the upper cover comprises an upper cover body, a supporting wall formed by extending the upper cover body towards the direction of the lower cover, and an acoustic guide channel formed on the upper cover body;
the sounding monomer is of a rectangular structure; the sound production unit is accommodated in the accommodating space and fixedly supported on the supporting wall, the accommodating space is divided into a front sound cavity and a rear cavity by the sound production unit, and the sound production side of the sound production unit faces the front sound cavity; the front sound cavity is communicated with the outside through the sound guide channel and forms a front cavity together; the sounding unit comprises a basin frame, a vibration system and a magnetic circuit system, wherein the basin frame is supported and fixed on the supporting wall, the vibration system is respectively fixed on the basin frame, and the magnetic circuit system is used for driving the vibration system; the magnetic circuit system comprises a lower clamping plate fixed on the basin frame and magnetic steel fixed on the lower clamping plate; the magnetic steel comprises a main magnetic steel and at least two auxiliary magnetic steels which are arranged around the main magnetic steel at intervals, and the main magnetic steel and the auxiliary magnetic steel are arranged at intervals and jointly enclose a magnetic gap; the magnetic circuit system further comprises a pole core which is fixedly overlapped on one side of the main magnetic steel, far away from the lower clamping plate, and the middle area of the pole core is provided with a protruding part which protrudes and extends towards the direction, far away from the main magnetic steel, and a first auxiliary magnetic steel which surrounds the protruding part and forms a first magnetic gap at intervals, and the first auxiliary magnetic steel is fixedly overlapped on one side of the pole core, far away from the lower clamping plate;
the sounding unit further comprises a first basin frame fixed on one side, far away from the pole core, of the first auxiliary magnetic steel; the vibration system comprises a vibrating diaphragm, a voice coil, a first vibrating diaphragm and a first voice coil, wherein the vibrating diaphragm is annular, the outer periphery of the vibrating diaphragm is fixed on the first basin frame, the voice coil drives the vibrating diaphragm to vibrate, the first vibrating diaphragm is fixed on the first basin frame, and the first voice coil drives the first vibrating diaphragm to vibrate; the inner periphery of the vibrating diaphragm is fixed on one side, far away from the pole core, of the first auxiliary magnetic steel, the voice coil is inserted and arranged in the magnetic gap in a suspending manner, and the first voice coil is inserted and arranged in the first magnetic gap in a suspending manner;
the loudspeaker box further comprises side magnetic steel, wherein the side magnetic steel is fixed on the upper cover and opposite to the auxiliary magnetic steel in magnetizing direction, and the side magnetic steel and the auxiliary magnetic steel jointly form a magnetic loop.
Preferably, the side magnetic steel is fixed at a position of the upper cover corresponding to the long axis side of the sounding monomer and/or a position of the upper cover corresponding to the short axis side of the sounding monomer.
Preferably, the side magnetic steel is fixed at a corner area of the upper cover corresponding to the sounding monomer.
Preferably, the side magnetic steel comprises four pieces; two of the side magnetic steels are arc-shaped and are respectively fixed at the positions of the upper cover corresponding to two adjacent corner areas of the sounding monomer, and the other two of the side magnetic steels are strip-shaped and are respectively fixed at the positions of the upper cover corresponding to two short shaft sides of the sounding monomer.
Preferably, the area where the edge magnetic steel is fixed on the upper cover is the same as the setting area of the supporting wall.
Preferably, the edge magnetic steel is fixed on one side of the supporting wall away from the lower cover.
Preferably, a sinking groove which is concave inwards is formed in one side, away from the lower cover, of the upper cover body; the side magnetic steel is fixed in the sinking groove.
Preferably, the upper cover further comprises a through hole penetrating through the upper cover body and a steel sheet covered on the through hole and fixed on the upper cover body; the supporting wall is formed by extending the upper cover body towards the lower cover direction and is arranged around the through hole, and the sinking groove is arranged around the edge of the through hole.
Preferably, the upper cover further comprises a first powder filling hole penetrating through the upper cover body; the lower cover is provided with a second powder filling hole penetrating through the lower cover; the first powder filling hole and the second powder filling hole are communicated with the rear cavity; the loudspeaker box further comprises a first cover plate covering the first powder filling hole and a second cover plate covering the second powder filling hole.
The invention also provides a stylus comprising a speaker box as described above.
Compared with the prior art, the loudspeaker box has the advantages that the four side magnetic steels opposite to the magnetizing direction of the auxiliary magnetic steel of the sounding monomer are fixed on the upper cover, so that the four side magnetic steels and the auxiliary magnetic steel form a loop together to counteract the overflow of a magnetic field, the magnetic leakage phenomenon of the loudspeaker box is reduced, the magnetic leakage energy of the loudspeaker box reaches the magnetic leakage standard of a handwriting pen, and the phenomenon that the handwriting pen is not lineated straightly due to the fact that the magnetic leakage of the loudspeaker box cannot reach the magnetic leakage standard of the handwriting pen is avoided.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
fig. 1 is a schematic perspective view of a speaker box according to an embodiment of the present invention;
fig. 2 is a schematic exploded view of a speaker box according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 4 is a schematic structural diagram of a speaker box according to an embodiment of the present invention after removing a steel sheet.
In the figure, 100 parts of the loudspeaker box, 1 parts of the upper cover; 11. an upper cover body; 111. sinking grooves; 12. a support wall; 13. an acoustic channel; 14. a through hole; 15. a steel sheet; 16. a first powder filling hole; 2. a lower cover; 21. a second powder filling hole; 3. a sounding monomer; 31. a basin stand; 32. a vibration system; 321. a vibrating diaphragm; 322. a voice coil; 323. a first diaphragm; 324. a first voice coil; 33. a magnetic circuit system; 331. a lower clamping plate; 332. magnetic steel; 3321. main magnetic steel; 3322. auxiliary magnetic steel; 333. an upper clamping plate; 334. a pole core; 3341. a protruding portion; 335. a first secondary magnetic steel; 336. a first upper clamping plate; 34. a first basin stand; 35. a conductive member; 4. edge magnetic steel; 5. a first cover plate; 6. a second cover plate; 10. a front acoustic cavity; 20. a rear cavity; 30. a magnetic gap; 40. a first magnetic gap.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
It should be noted that the expressions "upper", "lower", "left", "right", etc. mentioned in the embodiments of the present invention are described with reference to the placed state in the drawings, and should not be interpreted as limiting embodiments of the present invention. It will be further understood that, in the context of an element that constitutes "above" or "below" another element, it is possible that the element constitutes directly "above" or "below" the other element, and that the element constitutes "above" or "below" the other element via an intervening element.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 4, an embodiment of the present invention provides a speaker box 100, which includes an upper cover 1, a lower cover 2, a sounding unit 3, and a side magnetic steel 4.
Wherein, the upper cover 1 is covered on the lower cover 2 and forms a containing space (not shown) together with the lower cover 2; the upper cover 1 includes an upper cover body 11, a support wall 12 formed by extending the upper cover body 11 in the direction of the lower cover 2, and an acoustic guide channel 13 formed in the upper cover body 11.
The sounding monomer 3 is of a rectangular structure; the sounding monomer 3 is accommodated in the accommodating space and fixedly supported on the supporting wall 12; the sound production unit 3 divides the accommodating space into a front sound cavity 10 and a rear cavity 20, and the sound production side of the sound production unit 3 faces the front sound cavity 10; the sound guide channel 13 communicates the front sound cavity 10 with the outside and forms a front cavity (not shown) together; the sounding unit 3 comprises a basin frame 31 supported and fixed on the supporting wall 12, a vibration system 32 respectively fixed on the basin frame 31 and a magnetic circuit system 33 for driving the vibration system 32; the magnetic circuit system 33 comprises a lower clamping plate 331 fixed on the basin frame 31 and magnetic steel 332 fixed on the lower clamping plate 331; the magnetic steel 332 includes a main magnetic steel 3321 and at least two auxiliary magnetic steels 3322 surrounding the main magnetic steel 3321 and arranged at intervals, and the main magnetic steel 3321 and the auxiliary magnetic steel 3322 are arranged at intervals and jointly enclose a magnetic gap 30.
The side magnetic steel 4 is fixed on the upper cover 1 and opposite to the magnetizing direction of the auxiliary magnetic steel 3322, and the side magnetic steel 4 and the auxiliary magnetic steel 3322 form a magnetic loop together.
In this embodiment, the upper cover 1 further includes a through hole 14 penetrating through the upper cover body 11 and a steel sheet 15 covering the through hole 14 and fixed to the upper cover body 11; the support wall 12 extends from the upper cover body 11 in the direction of the lower cover 2 and is provided around the through hole 14.
In this embodiment, the upper cover 1 further includes a first powder filling hole 16 penetrating through the upper cover body 11; the lower cover 2 is provided with a second powder filling hole 21 penetrating through the lower cover; the first powder filling hole 16 and the second powder filling hole 21 are communicated with the rear cavity 20; the speaker box 100 further includes a first cover plate 5 covering the first powder filling hole 16 and a second cover plate 6 covering the second powder filling hole 21.
In this embodiment, the secondary magnetic steel 3322 includes four pieces; two of the magnets are arranged on two short axis sides of the main magnet steel 3321, and the other two magnets are arranged on two long axis sides of the main magnet steel 3321.
In this embodiment, the magnetic circuit system 33 further includes an upper clamping plate 333 stacked and fixed on a side of the auxiliary magnetic steel 3322 away from the lower clamping plate 331.
Specifically, the magnetic circuit system 33 further includes a pole core 334 stacked and fixed on the side of the main magnetic steel 3321 away from the lower clamping plate 331, and the middle area is provided with a protruding portion 3341 protruding and extending in a direction away from the main magnetic steel 3321, a first auxiliary magnetic steel 335 surrounding the protruding portion 3341 and forming a first magnetic gap 40 at intervals, and a first upper clamping plate 336 stacked and fixed on the side of the first auxiliary magnetic steel 335 away from the pole core 334.
Specifically, the sounding unit 3 further includes a first basin frame 34 fixed on one side of the first auxiliary magnetic steel 335 far from the pole core 334; the vibration system 32 comprises a vibrating diaphragm 321, a voice coil 322, a first vibrating diaphragm 323 and a first voice coil 324, wherein the vibrating diaphragm 321 is annular, the outer periphery of the vibrating diaphragm is fixed on the first basin frame 34, the voice coil 322 drives the vibrating diaphragm 321 to vibrate, the first vibrating diaphragm 323 is fixed on the first basin frame 34, and the first voice coil 324 drives the first vibrating diaphragm 323 to vibrate; the inner periphery of the diaphragm 321 is fixed on one side of the first auxiliary magnetic steel 335 away from the pole core 334, the voice coil 322 is inserted and suspended in the magnetic gap 30, and the first voice coil 324 is inserted and suspended in the first magnetic gap 40.
Specifically, the side magnetic steel 4 is fixed at a position of the upper cover 1 corresponding to the long axis side of the sounding monomer 3 and/or a position of the upper cover 1 corresponding to the short axis side of the sounding monomer 3.
Of course, the edge magnetic steel 4 may also be fixed to the corner area of the upper cover 1 corresponding to the sounding monomer 3.
In this embodiment, the side magnetic steels 4 include four, namely, a first side magnetic steel 4a, a second side magnetic steel 4b, a third side magnetic steel 4c, and a fourth side magnetic steel 4d; wherein the two side magnetic steels 4 are arc-shaped and are respectively fixed at the positions of the upper cover 1 corresponding to the adjacent two corner areas of the sounding monomer 3, namely the first side magnetic steel 4a and the second side magnetic steel 4b are arc-shaped and are respectively fixed at the positions of the upper cover 1 corresponding to the adjacent two corner areas of the sounding monomer 3; the other two side magnetic steels 4 are in a strip shape and are respectively fixed at the positions of the upper cover 1 corresponding to the two short shaft sides of the sounding monomer 3, namely the third side magnetic steel 4c and the fourth side magnetic steel 4d are in a strip shape and are respectively fixed at the positions of the upper cover 1 corresponding to the two short shaft sides of the sounding monomer 3.
Of course, according to actual requirements, the number and specific setting positions of the edge magnetic steels 4 can be adaptively adjusted, which is not a setting mode defined in the embodiment; meanwhile, the shape and size of the side magnetic steel 4 can be adaptively adjusted according to the specific shape of the speaker box 100.
Specifically, the area where the side magnetic steel 4 is fixed to the upper cover 1 is the same as the arrangement area of the support wall 12; meanwhile, the side magnetic steel 4 is fixed on one side of the supporting wall 12 away from the lower cover 2.
In this embodiment, a side of the upper cover body 11 away from the lower cover 2 is provided with an inwardly recessed sink 111; the edge magnetic steel 4 is fixed in the sinking groove 111. I.e. the countersink 111 is arranged around the edge of the through hole 14 of the upper cover 1.
In this embodiment, the sounding unit 3 further includes a conductive member 35 fixed on the side of the lower plate 331 away from the main magnetic steel 3321 and passing through the lower plate 331, the main magnetic steel 3321 and the protruding portion 3341 in order to extend below the first diaphragm 323 and electrically connected to the first voice coil 324; the conductive member 35 is divided into a fixed portion fixed to the lower plate 331 and a connection portion passing through the lower plate 331, the main magnetic steel 3321 and the protrusion 3341 in order to extend to the lower side of the first diaphragm 323.
In the speaker box 100 of this embodiment, the side magnetic steel 4 opposite to the magnetizing direction of the auxiliary magnetic steel 3322 of the sounding unit 3 is fixed on the upper cover 1, so that the side magnetic steel 4 and the auxiliary magnetic steel 3322 can form a loop together to counteract the overflow of the magnetic field, thereby reducing the magnetic leakage phenomenon of the speaker box 100 and avoiding the phenomenon of uneven handwriting of the handwriting pen caused by the fact that the magnetic leakage cannot reach the magnetic leakage standard of the handwriting pen.
The embodiment of the invention also provides a handwriting pen, which comprises the loudspeaker box 100. Since the handwriting pen in the embodiment includes the speaker box 100, the technical effects achieved by the speaker box 100 can be achieved, and the description thereof is omitted herein.
It should be noted that the above embodiments described above with reference to the drawings are only for illustrating the present invention and not for limiting the scope of the present invention, and it should be understood by those skilled in the art that modifications or equivalent substitutions to the present invention are intended to be included in the scope of the present invention without departing from the spirit and scope of the present invention. Furthermore, unless the context indicates otherwise, words occurring in the singular form include the plural form and vice versa. In addition, unless specifically stated, all or a portion of any embodiment may be used in combination with all or a portion of any other embodiment.

Claims (10)

1. A speaker box, the speaker box comprising:
a lower cover;
the upper cover is covered on the lower cover and is enclosed with the lower cover together to form an accommodating space; the upper cover comprises an upper cover body, a supporting wall formed by extending the upper cover body towards the direction of the lower cover, and an acoustic guide channel formed on the upper cover body;
the sounding monomer is of a rectangular structure; the sound production unit is accommodated in the accommodating space and fixedly supported on the supporting wall, the accommodating space is divided into a front sound cavity and a rear cavity by the sound production unit, and the sound production side of the sound production unit faces the front sound cavity; the front sound cavity is communicated with the outside through the sound guide channel and forms a front cavity together; the sounding unit comprises a basin frame, a vibration system and a magnetic circuit system, wherein the basin frame is supported and fixed on the supporting wall, the vibration system is respectively fixed on the basin frame, and the magnetic circuit system is used for driving the vibration system; the magnetic circuit system comprises a lower clamping plate fixed on the basin frame and magnetic steel fixed on the lower clamping plate; the magnetic steel comprises a main magnetic steel and at least two auxiliary magnetic steels which are arranged around the main magnetic steel at intervals, and the main magnetic steel and the auxiliary magnetic steel are arranged at intervals and jointly enclose a magnetic gap; the magnetic circuit system further comprises a pole core which is fixedly overlapped on one side of the main magnetic steel, far away from the lower clamping plate, and the middle area of the pole core is provided with a protruding part which protrudes and extends towards the direction, far away from the main magnetic steel, and a first auxiliary magnetic steel which surrounds the protruding part and forms a first magnetic gap at intervals, and the first auxiliary magnetic steel is fixedly overlapped on one side of the pole core, far away from the lower clamping plate;
the sounding unit further comprises a first basin frame fixed on one side, far away from the pole core, of the first auxiliary magnetic steel; the vibration system comprises a vibrating diaphragm, a voice coil, a first vibrating diaphragm and a first voice coil, wherein the vibrating diaphragm is annular, the outer periphery of the vibrating diaphragm is fixed on the first basin frame, the voice coil drives the vibrating diaphragm to vibrate, the first vibrating diaphragm is fixed on the first basin frame, and the first voice coil drives the first vibrating diaphragm to vibrate; the inner periphery of the vibrating diaphragm is fixed on one side, far away from the pole core, of the first auxiliary magnetic steel, the voice coil is inserted and arranged in the magnetic gap in a suspending manner, and the first voice coil is inserted and arranged in the first magnetic gap in a suspending manner; it is characterized in that the method comprises the steps of,
the loudspeaker box further comprises side magnetic steel, wherein the side magnetic steel is fixed on the upper cover and opposite to the auxiliary magnetic steel in magnetizing direction, and the side magnetic steel and the auxiliary magnetic steel jointly form a magnetic loop.
2. The loudspeaker enclosure of claim 1, wherein the side magnetic steel is fixed to a position of the upper cover corresponding to a long axis side of the sounding monomer and/or a position of the upper cover corresponding to a short axis side of the sounding monomer.
3. A loudspeaker enclosure according to claim 1 or claim 2 wherein the edge magnet is secured to a corner region of the upper cover corresponding to the sound producing monomer.
4. The loudspeaker enclosure of claim 1, wherein the side magnetic steel comprises four; two of the side magnetic steels are arc-shaped and are respectively fixed at the positions of the upper cover corresponding to two adjacent corner areas of the sounding monomer, and the other two of the side magnetic steels are strip-shaped and are respectively fixed at the positions of the upper cover corresponding to two short shaft sides of the sounding monomer.
5. The loudspeaker enclosure of claim 1, wherein the area where the edge magnet is fixed to the upper cover is the same as the area where the support wall is provided.
6. The loudspeaker enclosure of claim 5 wherein the edge magnet is secured to a side of the support wall remote from the lower cover.
7. The loudspeaker enclosure of claim 6, wherein a side of the upper cover body remote from the lower cover is provided with an inwardly recessed sink; the side magnetic steel is fixed in the sinking groove.
8. The loudspeaker enclosure of claim 7, wherein the upper cover further comprises a through hole penetrating the upper cover body and a steel sheet covering the through hole and fixed to the upper cover body; the supporting wall extends from the upper cover body to the lower cover direction and surrounds the through hole, and the sinking groove surrounds the edge of the through hole.
9. The loudspeaker enclosure of claim 1, wherein the upper cover further comprises a first dust hole disposed through the upper cover body; the lower cover is provided with a second powder filling hole penetrating through the lower cover; the first powder filling hole and the second powder filling hole are communicated with the rear cavity; the loudspeaker box further comprises a first cover plate covering the first powder filling hole and a second cover plate covering the second powder filling hole.
10. A stylus, characterized in that it comprises a loudspeaker enclosure according to any one of claims 1 to 9.
CN202311358025.4A 2023-10-19 2023-10-19 Speaker box and handwriting pen Active CN117098049B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311358025.4A CN117098049B (en) 2023-10-19 2023-10-19 Speaker box and handwriting pen

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Application Number Priority Date Filing Date Title
CN202311358025.4A CN117098049B (en) 2023-10-19 2023-10-19 Speaker box and handwriting pen

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CN117098049B true CN117098049B (en) 2024-02-20

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Publication number Priority date Publication date Assignee Title
CN117915249A (en) * 2024-03-20 2024-04-19 瑞声光电科技(常州)有限公司 Sounding device

Citations (3)

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Publication number Priority date Publication date Assignee Title
CN210093529U (en) * 2019-06-28 2020-02-18 瑞声科技(新加坡)有限公司 Loudspeaker
CN210781329U (en) * 2019-11-12 2020-06-16 瑞声科技(新加坡)有限公司 Loudspeaker box
CN214627352U (en) * 2020-12-25 2021-11-05 瑞声光电科技(常州)有限公司 Loudspeaker

Family Cites Families (1)

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Publication number Priority date Publication date Assignee Title
CN216391402U (en) * 2021-12-16 2022-04-26 瑞声光电科技(常州)有限公司 Loudspeaker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210093529U (en) * 2019-06-28 2020-02-18 瑞声科技(新加坡)有限公司 Loudspeaker
CN210781329U (en) * 2019-11-12 2020-06-16 瑞声科技(新加坡)有限公司 Loudspeaker box
CN214627352U (en) * 2020-12-25 2021-11-05 瑞声光电科技(常州)有限公司 Loudspeaker

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