CN112565969A - Magnetic-isolation dustproof earphone - Google Patents

Magnetic-isolation dustproof earphone Download PDF

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Publication number
CN112565969A
CN112565969A CN202110195918.6A CN202110195918A CN112565969A CN 112565969 A CN112565969 A CN 112565969A CN 202110195918 A CN202110195918 A CN 202110195918A CN 112565969 A CN112565969 A CN 112565969A
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CN
China
Prior art keywords
hole
sound
earphone
loudspeaker
adjusting hole
Prior art date
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Granted
Application number
CN202110195918.6A
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Chinese (zh)
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CN112565969B (en
Inventor
林安富
叶景清
王运川
王俊伴
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Jiangxi Lianchuang Sound Macro Electronic Co ltd
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Jiangxi Lianchuang Sound Macro Electronic Co ltd
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Priority to CN202110195918.6A priority Critical patent/CN112565969B/en
Publication of CN112565969A publication Critical patent/CN112565969A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/10Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1091Details not provided for in groups H04R1/1008 - H04R1/1083
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/10Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058Manufacture or assembly

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

The invention relates to the technical field of earphones, in particular to a magnetic isolation dustproof earphone which comprises an earphone shell and a loudspeaker, wherein a sound adjusting hole and a sound outlet hole are formed in the earphone shell, the sound adjusting hole is opposite to the loudspeaker, the sound outlet hole is opposite to the loudspeaker, a magnetic isolation sheet is arranged on the sound adjusting hole, one end of the magnetic isolation sheet is closed to the sound adjusting hole, an opening facing the sound outlet hole is formed in the other end of the magnetic isolation sheet and the sound adjusting hole, and a magnetic isolation barrier is formed between the loudspeaker and the sound adjusting hole by the magnetic isolation sheet and prevents normal magnetic lines of force of the loudspeaker from penetrating through the. According to the earphone, the magnetic isolation sheet is additionally arranged between the sound adjusting hole and the loudspeaker monomer, so that the original direction of magnetic lines passing through the sound adjusting hole area is changed, and the possibility that dust particles caused by the magnetic lines enter the earphone loudspeaker and the cavity structure of the earphone loudspeaker is structurally reduced; the invention avoids the design of a magnetic isolation structure with sound output from the front, and the opening formed by the magnetic isolation sheet and the sound adjusting hole faces the sound output hole, so that metal dust is prevented from entering the loudspeaker under the action of normal magnetic lines of force.

Description

Magnetic-isolation dustproof earphone
Technical Field
The invention relates to the technical field of earphones, in particular to a magnetic isolation dustproof earphone.
Background
As an earphone, the tone quality problem always lies in the first place, and a relatively stable frequency response output curve is formed after the model selection of a device, the debugging of a circuit, a cavity and software in the development period of a product; when the earphone does not work, the loudspeaker forms an inherent magnetic field and a magnetic line direction according to the structure, if the front side of the loudspeaker corresponds to the sound adjusting hole, metal particles on the periphery of the sound adjusting hole can easily enter the loudspeaker and the structure of the loudspeaker under the action of the magnetic field, the quantity of the metal particles adsorbed on the loudspeaker and the structure of the loudspeaker is increased along with the time, and the performance and the reliability of the loudspeaker are continuously reduced; the sound output of the earphone is sounded through a loudspeaker and enters the left ear and the right ear through the sound outlet hole; however, the horn is a magnet, and metal particles in the air are easy to enter the horn and the structure of the horn through the sound outlet hole due to the action of magnetic lines of force in the using process.
For example, patent No. CN201320520270.6 discloses a magnetic isolation earplug type earphone, which comprises an earphone handle, an earphone shell, a speaker and a speaker cover sequentially disposed on the earphone handle, wherein the speaker cover is provided with a magnetic isolation sheet and a fine mesh enclosing the magnetic isolation sheet. This patent has simple structure, improves advantages such as earphone's life.
The magnetic isolation earplug type earphone disclosed by the patent is provided with the magnetic isolation sheet on the horn face cover so as to achieve the magnetic isolation effect and prevent excessive metal particles from being adsorbed into the horn due to the action of magnetic lines of force of the horn. However, the sound outlet of the patent is opposite to the loudspeaker, therefore, a plum blossom-shaped sound outlet is reserved on the magnetic isolation sheet, the sound outlet is opposite to the loudspeaker, the magnetic line of force can pass through the sound outlet and enter the outside, the adsorbed metal dust particles enter the loudspeaker and the structure of the loudspeaker, the quantity of the metal particles adsorbed on the loudspeaker and the structure of the loudspeaker is increased along with the lapse of time, and the performance and the reliability of the loudspeaker are continuously reduced.
Disclosure of Invention
The invention aims to solve the technical problem that the performance of the earphone speaker is reduced due to the adsorption of metal particles, and provides a magnetic isolation dustproof earphone.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides a separate magnetism dustproof earphone, includes earphone shell, loudspeaker, be provided with the accent hole on the earphone shell and go out the sound hole, the accent hole is just to loudspeaker, it is to loudspeaker to go out the sound hole side, be provided with on the accent hole and separate the magnetic sheet, it seals the opening that the accent hole, the other end and accent hole were formed with orientation play sound hole to separate magnetic sheet one end, it forms to separate magnetism barrier and the normal magnetic line of force of separation loudspeaker and passes the opening to separate the magnetic sheet between loudspeaker and accent hole.
Furthermore, a sound adjusting hole waterproof net is arranged on the sound adjusting hole and is arranged on the outer side of the magnetic isolation sheet.
Furthermore, a sound adjusting hole steel mesh is arranged on the sound adjusting hole, and the sound adjusting hole steel mesh is arranged on the outer side of the sound adjusting hole waterproof mesh.
Furthermore, a first clamping groove used for clamping the sound adjusting hole steel mesh and the sound adjusting hole waterproof mesh is formed in the earphone shell.
Furthermore, a sound hole waterproof net is arranged on the sound hole.
Furthermore, a sound hole steel mesh is arranged on the sound hole, and the sound hole steel mesh is arranged on the outer side of the sound hole waterproof mesh.
Furthermore, a second clamping groove used for clamping the sound hole steel mesh and the sound hole waterproof mesh is formed in the earphone shell.
Further, the earphone shell comprises a face cover, a shell and a rear cover, the face cover is arranged at the front end of the shell, the rear cover is arranged at the rear end of the shell, and the sound adjusting hole and the sound outlet hole are arranged on the face cover.
Furthermore, be provided with the support with face lid joint in the earphone shell, loudspeaker install on the support.
Furthermore, loudspeaker are connected with the earphone cord, be provided with the line hole that supplies the earphone cord to wear out on the earphone shell.
The invention has the beneficial effects that: it can be known from the above description of the present invention that, compared with the prior art, the magnetic isolation dustproof earphone of the present invention comprises an earphone shell and a speaker, wherein the earphone shell is provided with a sound adjusting hole and a sound outlet hole, and a magnetic isolation sheet is added between the sound adjusting hole and a speaker monomer, so that the original direction of magnetic force lines passing through the sound adjusting hole area is changed, the possibility of dust particles caused by the magnetic force lines entering the earphone speaker and the cavity structure thereof is structurally reduced, and the performance stability and the reliability of the speaker are improved; compared with the magnetic isolation structure design with the front sound output in the prior art, the magnetic isolation structure design with the front sound output is avoided, the sound adjusting hole for sound conduction is arranged right opposite to the loudspeaker, and the opening formed by the magnetic isolation sheet and the sound adjusting hole faces the sound output hole, so that metal dust is prevented from entering the loudspeaker through the opening under the action of normal magnetic lines of force; the opening on the magnetic isolation structure is avoided, the magnetic force lines are prevented from penetrating through the opening on the magnetic isolation sheet to attract metal dust to enter the horn structure, and metal particles cannot enter the horn body and the cavity in a channel-changing manner, so that the metal dust around the sound adjusting hole is isolated from entering the horn structure; the side of the sound outlet hole faces the loudspeaker, after the magnetic force lines turn, the adsorption effect on metal dust around the sound outlet hole is greatly reduced, and the sound outlet hole is far away from the loudspeaker structure body, so that the metal dust is prevented from entering the loudspeaker from the sound outlet hole.
Drawings
Fig. 1 is a schematic perspective view of a magnetic isolation and dust prevention earphone according to a preferred embodiment of the present invention;
fig. 2 is an exploded view of a magnetic isolation and dust prevention earphone according to a preferred embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a magnetic isolating and dust preventing earphone according to a preferred embodiment of the present invention;
reference numerals: 1. an earphone housing; 2. a horn; 3. a tone tuning hole; 4. a sound outlet hole; 5. a support; 6. an earphone line; 11. a face cover; 12. a housing; 13. a rear cover; 31. a magnetic shield sheet; 32. an opening; 33. a waterproof net for a sound adjusting hole; 34. a sound adjusting hole steel mesh; 41. a waterproof net for sound outlet holes; 42. and a sound outlet hole steel mesh.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, in a preferred embodiment of the present invention, a magnetic isolation and dust prevention earphone includes an earphone housing 1 and a speaker 2, wherein a tuning hole 3 and a sound outlet 4 are formed in the earphone housing 1, the tuning hole 3 is directly opposite to the speaker 2, the sound outlet 4 is laterally opposite to the speaker 2, a magnetic isolation sheet 31 is disposed on the tuning hole 3, one end of the magnetic isolation sheet 31 seals the tuning hole 3, the other end of the magnetic isolation sheet and the tuning hole 3 form an opening 32 facing the sound outlet 4, and the magnetic isolation sheet 31 forms a magnetic isolation barrier between the speaker 2 and the tuning hole 3 and isolates a normal magnetic line of force of the speaker 2 from passing through the opening 32.
The invention has the beneficial effects that: it can be known from the above description of the present invention that, compared with the prior art, the magnetic isolation dustproof earphone of the present invention comprises an earphone housing 1 and a speaker 2, wherein the earphone housing 1 is provided with a sound adjusting hole 3 and a sound outlet hole 4, and a magnetic isolation sheet 31 is added between the sound adjusting hole 3 and a speaker 2 monomer, so that the original direction of magnetic lines passing through the sound adjusting hole 3 area is changed, the possibility of dust particles entering the earphone speaker 2 and the cavity structure thereof caused by the magnetic lines is structurally reduced, and the stable performance and the reliability of the speaker 2 are improved; compared with the front sound-emitting magnetic insulation structure design in the prior art, the front sound-emitting magnetic insulation structure design is avoided, the sound adjusting hole 3 for sound guiding is arranged right opposite to the loudspeaker 2, and the opening 32 formed by the magnetic insulation sheet 31 and the sound adjusting hole 3 faces the sound emitting hole 4, so that metal dust is prevented from entering the loudspeaker 2 through the opening 32 under the action of normal magnetic force lines; the opening on the magnetic isolation structure is avoided, the magnetic force lines are prevented from penetrating through the opening on the magnetic isolation sheet 31 to attract metal dust to enter the horn 2 structure, and metal particles cannot enter the horn 2 body and the cavity in a channel-changing manner, so that the metal dust around the sound adjusting hole 3 is isolated from entering the horn 2 structure; the sound outlet hole 4 of the invention is arranged on the side opposite to the loudspeaker 2, after the magnetic lines of force turn, the adsorption effect on metal dust around the sound outlet hole 4 is greatly reduced, the sound outlet hole 4 is far away from the structural body of the loudspeaker 2, and the metal dust is prevented from entering the loudspeaker 2 from the sound outlet hole 4.
As a preferred embodiment of the present invention, it may also have the following additional technical features:
in this embodiment, the tuning hole 3 is provided with a tuning hole waterproof net 33, and the tuning hole waterproof net 33 is disposed outside the magnetism isolating sheet 31. By providing the tuning hole waterproof net 33 on the tuning hole 3, water is prevented from entering the earphone housing 1 through the tuning hole 3.
In this embodiment, the tonehole steel net 34 is provided on the tonehole 3, and the tonehole steel net 34 is provided outside the tonehole waterproof net 33. By providing the tonehole steel net 34 on the tonehole 3, dust in the air is prevented from penetrating through the tonehole 3 into the earphone housing 1.
In this embodiment, the earphone housing 1 is provided with a first clamping groove for clamping the tone hole steel mesh 34 and the tone hole waterproof mesh 33. The sound adjusting hole steel mesh 34 and the sound adjusting hole waterproof mesh 33 are clamped by arranging the first clamping groove on the earphone housing 1, so that the sound adjusting hole steel mesh 34 and the sound adjusting hole waterproof mesh 33 are fixedly installed.
In this embodiment, the sound outlet hole 4 is provided with a sound outlet hole waterproof net 41. By providing the sound outlet hole waterproof net 41 on the sound outlet hole 4, water is prevented from entering the earphone housing 1 through the sound outlet hole 4.
In this embodiment, the sound outlet hole 4 is provided with a sound outlet hole steel mesh 42, and the sound outlet hole steel mesh 42 is disposed outside the sound outlet hole waterproof mesh 41. The steel mesh 42 for sound outlet hole is provided on the sound outlet hole 4 to prevent the dust in the air from entering the earphone housing 1 through the sound outlet hole 4.
In this embodiment, the earphone housing 1 is provided with a second locking groove for locking the sound outlet steel mesh 42 and the sound outlet waterproof mesh 41. The sound hole steel mesh 42 and the sound hole waterproof mesh 41 are clamped by arranging a second clamping groove on the earphone housing 1, so that the sound hole steel mesh 42 and the sound hole waterproof mesh 41 are fixedly installed.
In the present embodiment, the earphone housing 1 includes a face cover 11, a casing 12, and a rear cover 13, the face cover 11 is disposed at the front end of the casing 12, the rear cover 13 is disposed at the rear end of the casing 12, and the tuning hole 3 and the sound outlet 4 are disposed on the face cover 11. The earphone housing 1 is composed of a face cover 11, a housing 12 and a rear cover 13, which are assembled to facilitate assembly of the respective elements during production, and the face cover 11 and the rear cover 13 enclose the housing 12.
In this embodiment, a support 5 clamped with the face cover 11 is arranged in the earphone housing 1, and the speaker 2 is mounted on the support 5. A support 5 is arranged in the earphone shell 1, and the support 5 is clamped with the face cover 11 to fix all elements in the earphone shell 1 and fix the loudspeaker 2.
In this embodiment, the speaker 2 is connected with an earphone cord 6, and the earphone housing 1 is provided with a cord hole for the earphone cord 6 to pass through. By providing a cord hole in the earphone housing 1 so that the earphone cord 6 is connected to the speaker 2 through the cord hole.
The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. The utility model provides a separate dustproof earphone which characterized in that: including earphone shell (1), loudspeaker (2), be provided with accent hole (3) and play sound hole (4) on earphone shell (1), accent hole (3) are just to loudspeaker (2), play sound hole (4) side is to loudspeaker (2), be provided with on accent hole (3) and separate magnetic sheet (31), it seals accent hole (3), the other end and accent hole (3) and is formed with opening (32) towards play sound hole (4) to separate magnetic sheet (31) one end, it passes opening (32) to separate the normal direction magnetic line of force that magnetic barrier and separation loudspeaker (2) formed between loudspeaker (2) and accent hole (3) to separate magnetic sheet (31).
2. The magnetism isolating and dust preventing earphone according to claim 1, wherein: the sound adjusting hole (3) is provided with a sound adjusting hole waterproof net (33), and the sound adjusting hole waterproof net (33) is arranged on the outer side of the magnetism isolating sheet (31).
3. The magnetism isolating and dust preventing earphone according to claim 2, wherein: and a sound adjusting hole steel mesh (34) is arranged on the sound adjusting hole (3), and the sound adjusting hole steel mesh (34) is arranged on the outer side of the sound adjusting hole waterproof mesh (33).
4. The magnetism isolating and dust preventing earphone according to claim 3, wherein: the earphone is characterized in that a first clamping groove used for clamping the sound adjusting hole steel mesh (34) and the sound adjusting hole waterproof mesh (33) is formed in the earphone shell (1).
5. The magnetism isolating and dust preventing earphone according to claim 1, wherein: and a sound outlet hole waterproof net (41) is arranged on the sound outlet hole (4).
6. The magnetism-isolating and dust-proof earphone according to claim 5, wherein: and a sound outlet steel mesh (42) is arranged on the sound outlet (4), and the sound outlet steel mesh (42) is arranged outside the sound outlet waterproof mesh (41).
7. The magnetism-isolating and dust-preventing earphone according to claim 6, wherein: and a second clamping groove for clamping the sound outlet hole steel mesh (42) and the sound outlet hole waterproof mesh (41) is formed in the earphone shell (1).
8. The magnetism isolating and dust preventing earphone according to claim 1, wherein: the earphone shell (1) comprises a face cover (11), a shell (12) and a rear cover (13), wherein the face cover (11) is arranged at the front end of the shell (12), the rear cover (13) is arranged at the rear end of the shell (12), and the sound adjusting hole (3) and the sound outlet hole (4) are arranged on the face cover (11).
9. The magnetism-isolating and dust-proof earphone according to claim 8, wherein: be provided with in earphone shell (1) with support (5) of face lid (11) joint, loudspeaker (2) are installed on support (5).
10. The magnetism isolating and dust preventing earphone according to claim 1, wherein: loudspeaker (2) are connected with earphone cord (6), be provided with the line hole that supplies earphone cord (6) to wear out on earphone shell (1).
CN202110195918.6A 2021-02-22 2021-02-22 Magnetic-isolation dustproof earphone Active CN112565969B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110195918.6A CN112565969B (en) 2021-02-22 2021-02-22 Magnetic-isolation dustproof earphone

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Application Number Priority Date Filing Date Title
CN202110195918.6A CN112565969B (en) 2021-02-22 2021-02-22 Magnetic-isolation dustproof earphone

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CN112565969A true CN112565969A (en) 2021-03-26
CN112565969B CN112565969B (en) 2021-06-29

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201657234U (en) * 2010-03-29 2010-11-24 瑞声光电科技(常州)有限公司 Sound production device of anti-magnetic structure
CN203423784U (en) * 2013-08-23 2014-02-05 中山市天键电声有限公司 Magnetic isolation earplug type earphone
CN205812320U (en) * 2016-06-24 2016-12-14 维沃移动通信有限公司 A kind of earphone
CN205912214U (en) * 2016-06-28 2017-01-25 江西联创宏声电子股份有限公司 Earphone
CN110062317A (en) * 2019-05-23 2019-07-26 成都法兰特科技有限公司 A kind of multiple sound modular construction, earplug and ear speaker device
CN110611855A (en) * 2019-08-09 2019-12-24 深圳市静音科技有限公司 Wind noise resistant active noise reduction earphone
CN111200770A (en) * 2020-03-14 2020-05-26 深圳市昱声科技有限公司 Earphone capable of suppressing radio electromagnetic wave radiation

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201657234U (en) * 2010-03-29 2010-11-24 瑞声光电科技(常州)有限公司 Sound production device of anti-magnetic structure
CN203423784U (en) * 2013-08-23 2014-02-05 中山市天键电声有限公司 Magnetic isolation earplug type earphone
CN205812320U (en) * 2016-06-24 2016-12-14 维沃移动通信有限公司 A kind of earphone
CN205912214U (en) * 2016-06-28 2017-01-25 江西联创宏声电子股份有限公司 Earphone
CN110062317A (en) * 2019-05-23 2019-07-26 成都法兰特科技有限公司 A kind of multiple sound modular construction, earplug and ear speaker device
CN110611855A (en) * 2019-08-09 2019-12-24 深圳市静音科技有限公司 Wind noise resistant active noise reduction earphone
CN111200770A (en) * 2020-03-14 2020-05-26 深圳市昱声科技有限公司 Earphone capable of suppressing radio electromagnetic wave radiation

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