CN109905795B - Ring iron integrated sounding unit and earphone - Google Patents

Ring iron integrated sounding unit and earphone Download PDF

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Publication number
CN109905795B
CN109905795B CN201910195703.7A CN201910195703A CN109905795B CN 109905795 B CN109905795 B CN 109905795B CN 201910195703 A CN201910195703 A CN 201910195703A CN 109905795 B CN109905795 B CN 109905795B
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China
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sound
iron
moving
horn
loudspeaker
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CN201910195703.7A
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CN109905795A (en
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闫震海
叶保青
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Shenzhen Qili Audio Application Co ltd
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Shenzhen Qili Audio Application Co ltd
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Abstract

The invention discloses a coil iron integrated sound generating unit and an earphone. The coil iron integrated sounding unit comprises a moving coil loudspeaker, a moving iron loudspeaker, a sleeve and a horn, wherein the sleeve is sleeved on the moving coil loudspeaker, an inwards concave groove is formed in the outer wall of the sleeve, the moving iron loudspeaker is arranged in the groove, a sound outlet of the moving iron loudspeaker is communicated with the horn, and the moving coil loudspeaker is communicated with the horn through a sound transmission hole of the sleeve. The ring iron integrated sounding unit is smooth and full in sounding, small in size and convenient to connect with the sound guide tube. The earphone has smooth and full sound and good experience effect.

Description

Ring iron integrated sounding unit and earphone
Technical Field
The invention relates to the technical field of electroacoustic, in particular to a coil iron integrated sounding unit and an earphone.
Background
Most of the loudspeakers in the market at present use coils to drive the diaphragms to vibrate and sound (commonly called moving coils), while other part of the loudspeakers use iron sheets to drive the diaphragms to sound (commonly called moving iron). The working principle of the moving coil is that according to Faraday's law, when a current-carrying conductor passes through a magnetic field, the current-carrying conductor receives an electrodynamic force, the direction of the electrodynamic force accords with the Friedel's left hand law, the force is mutually perpendicular to the direction of the current and the magnetic field, the force is directly proportional to the current, the length of a conducting wire and the magnetic flux density, when the voice coil inputs the audio current of a pointer, the voice coil receives an alternating pushing force to generate alternating motion to drive a diaphragm to vibrate, the air is repeatedly pushed to produce sound, the moving iron, namely a precise iron sheet of a balance armature, is positioned in the center of the magnetic field and can vibrate under the action of the magnetic field of a permanent magnet, and the vibration of the balance armature is conducted to the center point of the miniature vibrating diaphragm through a continuous rod with a precise structure, so that sound is produced. The simple moving-iron earphone or moving-coil earphone has certain defects in sound, so that the combination of the moving-coil loudspeaker and the moving-iron loudspeaker is mainly used in the market. However, because the earphone is small in size, the difficulty is high when the moving coil loudspeaker and the moving iron loudspeaker are assembled, and in general, the earphone shell and the moving iron loudspeaker are assembled first, and then the moving coil loudspeaker is put into the earphone shell, but the assembly mode can often cause flaws to be generated in the assembly process of the earphone, and meanwhile, the stability of the earphone in use, particularly the stability of playing tone quality, is difficult to ensure.
Disclosure of Invention
The invention aims to provide a ring iron integrated sound generating unit and a headset which are convenient to assemble and stable to use.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the utility model provides a circle iron integral type sound production unit, includes moving coil loudspeaker, moves indisputable loudspeaker, sleeve and horn, the sleeve cover is established on the moving coil loudspeaker, be equipped with the recess of inwards sunken on the sleeve outer wall, it is in to move indisputable loudspeaker setting in the recess, it communicates to move the play sound hole of indisputable loudspeaker the horn, it passes through to move the indisputable loudspeaker telescopic sound transmission hole intercommunication the horn.
Preferably, the sleeve comprises an upper part and a lower part which are arranged in a stacked manner, the lower part comprises a lower side wall and a cavity formed by encircling the lower side wall, the moving coil loudspeaker is positioned in the cavity, the upper part comprises an upper side wall and a groove formed by encircling the upper side wall, and the moving coil loudspeaker is arranged in the groove.
Preferably, the sound transmission hole is arranged at the upper part, and one end of the sound transmission hole is communicated with the cavity, and the other end of the sound transmission hole is communicated with the horn.
Preferably, the horn includes a large end for collecting sound and a small end for transmitting sound, which are connected, and the large end is disposed at the upper portion.
Preferably, the coil iron integrated sound generating unit further comprises a low-pass filter, and the low-pass filter is arranged in the sound transmission hole.
Preferably, the lower part further comprises a through hole, and the lead wire of the moving-iron horn passes through the through hole and is converged with the lead wire of the moving-coil horn.
Preferably, the recess is located at an edge of the upper portion.
Preferably, the via hole is sealed by using an adhesive.
The invention also provides an earphone which comprises the ring iron integrated sound generating unit.
Compared with the prior art, the invention has the following advantages: the invention discloses a coil-iron integrated sounding unit which comprises a moving coil loudspeaker, a moving iron loudspeaker, a sleeve and a horn, wherein the sleeve is sleeved on the moving coil loudspeaker, an inwards concave groove is formed in the outer wall of the sleeve, the moving iron loudspeaker is arranged in the groove, a sound outlet of the moving iron loudspeaker is communicated with the horn, and the moving coil loudspeaker is communicated with the horn through a sound transmission hole of the sleeve. The integrated sounding unit of the coil iron is provided with the horn as a sound collecting mechanism, the horn is arranged into a convex integrated design, miniaturized hearing equipment is convenient to use, and meanwhile the integrated sounding unit of the coil iron is more convenient to connect with the sound guide tube.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present invention, and are not particularly limited. Those skilled in the art with access to the teachings of the present invention can select a variety of possible shapes and scale sizes to practice the present invention as the case may be. In the drawings:
FIG. 1 is a schematic view of a coil-iron integrated sound unit according to an embodiment of the present invention;
FIG. 2 is an exploded view of a coil iron integrated sound unit according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a coil iron integrated sound unit according to an embodiment of the present invention.
The figure shows: 1-horn, 2-sound outlet hole, 3-moving iron horn, 4-groove, 5-low pass filter, 6-sound transmission hole, 7-sleeve, 8-via hole, 9-moving coil horn and 10-sound cavity.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, 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, shall fall within the scope of the invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
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 invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Please see fig. 1-3, an integrated sounding unit of circle iron, including moving coil loudspeaker 3, moving coil loudspeaker 9, sleeve 7 and horn 1, sleeve 7 cover is established on moving coil loudspeaker 3, be equipped with the recess 4 of inwards sunken on the sleeve 7 outer wall, moving coil loudspeaker 3 sets up in the recess 4, moving coil loudspeaker 3's play sound hole 2 intercommunication horn 1, moving coil loudspeaker 9 passes through the sound transmission hole 6 intercommunication of sleeve 7 horn 1, horn 1 forms total play sound hole. The horn 1 comprises a large end 11 and a small end 12, wherein the large end 11 is used for collecting sound, the small end 12 is used for transmitting sound, and the moving iron loudspeaker 3 and the sound transmission hole 6 are communicated with the large end 11. The horn 1 is made of metal, plastic or ceramic materials, the horn 1 plays a role of collecting bass and treble, and the horn 1 is of a horn-shaped circular protruding structure, so that the horn 1 can be conveniently used in small-sized earphones or invisible hearing aids such as in-ear type or auditory canal type. The horn 1 can be conveniently connected with the guide tube, and the output full-frequency-band sound is transmitted to the auditory canal and the like, so that the design requirements of various products are met.
The sleeve 7 comprises an upper portion 71 and a lower portion 72 arranged in a stack. The lower part comprises a lower side wall and a cavity formed by encircling the lower side wall, the moving coil loudspeaker 9 is positioned in the cavity, the side wall of the moving coil loudspeaker 9 is attached to the lower side wall, and an acoustic cavity 10 is formed between an acoustic outlet of the moving coil loudspeaker 9 and the lower side wall; the upper part comprises an upper side wall and the groove 4 formed by surrounding the upper side wall, the moving iron horn 3 is positioned in the groove 4, and the groove 4 is positioned at the edge of the upper part; the sound transmission hole 6 is arranged at the upper part, one end of the sound transmission hole is communicated with the sound cavity 10, and the other end of the sound transmission hole is communicated with the horn 1. The moving coil loudspeaker 9 is a common moving coil sounding unit loudspeaker, receives external audio signals through a wiring terminal, and sound emitted by the moving coil loudspeaker 9 can be full-frequency audible sound (20 Hz-20 KHz) or low-pitched moving coil sounding unit with low sound bias, and the emitted sound is mainly in the sound cavity 10, passes through the sound transmission hole 6 and finally passes through the horn 1. The moving iron loudspeaker 3 is a common moving iron sounding unit loudspeaker, the sound emitted by the moving iron loudspeaker 3 can be full-band audible sound (20 Hz-20 KHz), and also can be a moving iron unit biased to high sound, and generally the frequency of the sound emitted by the moving iron loudspeaker 3 is higher, and the sound emitted by the moving iron loudspeaker directly passes through the sound outlet of the moving iron loudspeaker 3 to the horn 1.
In this embodiment, the horn 1 is disposed on the sleeve 7, and in particular, the large end 11 is disposed on the upper portion 71.
The coil iron integrated sounding unit further comprises a low-pass filter 5, and the low-pass filter 5 is arranged in the sound transmission hole 6. The low-pass filter 5 is a sound passing hole with a high-frequency filtering function made of special materials, and is mainly used for absorbing and filtering high-frequency part of sound emitted by the moving coil loudspeaker, and the low-pass filter 5 can be customized and adjusted according to the requirements of products only through wanted bass. The sound frequency of the sound outlet hole of the moving coil loudspeaker is adjusted through the low-pass filter 5, so that the congenital defect of low-frequency sound of the moving coil loudspeaker is overcome, the sound curve of the total sound outlet hole is smoother, and the sound is plump.
The lower part still includes via hole 8, the via hole 8 supplies move indisputable loudspeaker 3 threading gets down, through moving coil loudspeaker 9's side gets down, connect on moving coil loudspeaker 9's the terminal for circle indisputable integral type sound production unit, a set of wiring mouth is external to be connected, and convenient production makes, reduces manufacturing cost, reduces circle indisputable integral type sound production unit's volume simultaneously, further convenient production and manufacture, reduction manufacturing cost. After the wire connection, the gap at the through hole 8 is sealed by rubber or glue, so that the tightness of the acoustic cavity 10 of the moving coil loudspeaker 9 is ensured. The moving coil loudspeaker 9 and the moving iron loudspeaker 3 can be fixed on the sleeve 7 through glue.
The invention also provides an earphone which comprises the ring iron integrated sound generating unit. The earphone is small in size, sound from the sound outlet hole is smooth and full, and the experience effect is good.
It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but instead should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are incorporated herein by reference for the purpose of completeness. The omission of any aspect of the subject matter disclosed herein in the preceding claims is not intended to forego such subject matter, nor should the applicant be deemed to have such subject matter not considered to be part of the disclosed subject matter.

Claims (8)

1. The utility model provides a circle iron integral type sound production unit, its characterized in that, including moving coil loudspeaker, moving iron loudspeaker, sleeve and horn, the sleeve cover is established on the moving coil loudspeaker, be equipped with the recess of inwards sunken on the sleeve outer wall, moving iron loudspeaker sets up in the recess, moving iron loudspeaker's play sound hole intercommunication the horn, moving coil loudspeaker passes through telescopic sound transmission hole intercommunication the horn, the horn is including the big end that is used for the collection sound and the tip that is used for the sound transmission, moving iron loudspeaker's play sound hole intercommunication the big end, moving coil loudspeaker passes through telescopic sound transmission hole intercommunication the big end.
2. The coil iron integrated sound unit as set forth in claim 1, wherein the sleeve includes an upper portion and a lower portion which are stacked, the lower portion including a lower side wall and a chamber surrounded by the lower side wall, the moving coil horn being located in the chamber, the upper portion including an upper side wall and the recess surrounded by the upper side wall, the moving coil horn being located in the recess.
3. The coil iron integrated sound generating unit according to claim 2, wherein the sound transmitting hole is provided at the upper portion, and one end communicates with the chamber and the other end communicates with the horn.
4. The coil-iron integrated sound unit of claim 2, wherein the lower portion further comprises a via through which the lead wire of the moving iron horn passes.
5. The coil iron integrated sound unit of claim 2, wherein the recess is located at an edge of the upper portion.
6. The ring iron integrated sound producing unit according to claim 1, further comprising a low pass filter disposed within the sound transmission aperture.
7. The ring iron integrated sound generating unit of claim 4, wherein the via is sealed with an adhesive.
8. An earphone comprising a coil iron integrated sound unit according to any one of claims 1 to 6.
CN201910195703.7A 2019-03-15 2019-03-15 Ring iron integrated sounding unit and earphone Active CN109905795B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910195703.7A CN109905795B (en) 2019-03-15 2019-03-15 Ring iron integrated sounding unit and earphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910195703.7A CN109905795B (en) 2019-03-15 2019-03-15 Ring iron integrated sounding unit and earphone

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CN109905795A CN109905795A (en) 2019-06-18
CN109905795B true CN109905795B (en) 2024-04-19

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204069266U (en) * 2014-09-01 2014-12-31 常州阿木奇声学科技有限公司 A kind of double horn formula built-in earplug
WO2016037445A1 (en) * 2014-09-10 2016-03-17 常州阿木奇声学科技有限公司 Sound-emitting component of headset or speaker
CN205726303U (en) * 2016-06-22 2016-11-23 廖经槐 The circle In-Ear vertical audio mixing earphone of ferrum
CN206100386U (en) * 2016-09-28 2017-04-12 东莞市云仕电子有限公司 Movable coil loudspeaker and package assembly and earphone that move indisputable loudspeaker
CN107770670A (en) * 2017-11-14 2018-03-06 东莞市云仕电子有限公司 A kind of combining structure and earphone of dynamic iron loudspeaker and moving-coil loudspeaker
CN208079333U (en) * 2018-02-08 2018-11-09 多摩电子(东莞)有限公司 A kind of hybrid double unit In-Ear Headphones
CN208273191U (en) * 2018-04-19 2018-12-21 东莞市华弦实业有限公司 A kind of moving-coil moves the sound guide tube structure of iron mixing music earphone
CN209787380U (en) * 2019-03-15 2019-12-13 中科声华(苏州)科技有限公司 circle iron integral type sound production unit and earphone

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204069266U (en) * 2014-09-01 2014-12-31 常州阿木奇声学科技有限公司 A kind of double horn formula built-in earplug
WO2016037445A1 (en) * 2014-09-10 2016-03-17 常州阿木奇声学科技有限公司 Sound-emitting component of headset or speaker
CN205726303U (en) * 2016-06-22 2016-11-23 廖经槐 The circle In-Ear vertical audio mixing earphone of ferrum
CN206100386U (en) * 2016-09-28 2017-04-12 东莞市云仕电子有限公司 Movable coil loudspeaker and package assembly and earphone that move indisputable loudspeaker
CN107770670A (en) * 2017-11-14 2018-03-06 东莞市云仕电子有限公司 A kind of combining structure and earphone of dynamic iron loudspeaker and moving-coil loudspeaker
CN208079333U (en) * 2018-02-08 2018-11-09 多摩电子(东莞)有限公司 A kind of hybrid double unit In-Ear Headphones
CN208273191U (en) * 2018-04-19 2018-12-21 东莞市华弦实业有限公司 A kind of moving-coil moves the sound guide tube structure of iron mixing music earphone
CN209787380U (en) * 2019-03-15 2019-12-13 中科声华(苏州)科技有限公司 circle iron integral type sound production unit and earphone

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Effective date of registration: 20240315

Address after: Room 701, 702, 708, 709, 710, 711, Avionics Engineering R&D Building, No. 7 Langshan Road, Gaoxin North District, Nanshan District, Shenzhen, Guangdong, 518000

Applicant after: SHENZHEN QILI AUDIO APPLICATION Co.,Ltd.

Country or region after: China

Address before: Room 201, building 17, No.158, Jinfeng Road, science and Technology City, Suzhou, Jiangsu 215000

Applicant before: ZHONGKE SHENGHUA (SUZHOU) TECHNOLOGY Co.,Ltd.

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