CN105959851B - In-Ear high pitch compensates earphone - Google Patents
In-Ear high pitch compensates earphone Download PDFInfo
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- CN105959851B CN105959851B CN201610422476.3A CN201610422476A CN105959851B CN 105959851 B CN105959851 B CN 105959851B CN 201610422476 A CN201610422476 A CN 201610422476A CN 105959851 B CN105959851 B CN 105959851B
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- piezoelectric
- ceramic vibrator
- piezoelectric ceramic
- earphone
- compensates
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Transducers For Ultrasonic Waves (AREA)
Abstract
The present invention provides a kind of In-Ear high pitchs to compensate earphone, including rear cover, tpe electromagnetic sound-producing device, resonator, piezoelectric transducer, front cover, front cover has the extension sound channel that can be put into ear canal, piezoelectric vibration body device is extending in sound channel, in resonator, front cover and rear cover cover respectively mounted in resonator both ends tpe electromagnetic sound-producing device device；Piezoelectric transducer includes fixed plate, piezoelectric ceramic vibrator, elastic damping, and piezoelectric ceramic vibrator one end is packed in fixed plate, and elastic damping is bonded on piezoelectric ceramic vibrator, and fixed plate, which is packed in, to be extended in sound channel, and piezoelectric ceramic vibrator is made to form single cantilever beam structure；Piezoelectric transducer, which is put into, to be extended in ear canal, it is beneficial to individually control high frequency response, by extending ear canal, enhance sound directivity, the fixed form of piezoelectric ceramic vibrator is single cantilever beam structure, and vibration displacement is big, compared with the fixed working method in periphery when improving the frequency characteristic identical vibration of needs, piezoelectric ceramic thickness can be thicker, the production of easyization piezoelectric ceramics.
Description
Technical field
The present invention relates to earphones, compensate earphone more particularly, to a kind of In-Ear high pitch.
Background technique
With the extensive use of the portable electronic products such as high-quality smart phone, Pad, people are to can be with its fit applications
Earphone requirement it is also higher and higher, while requiring its bodily form small and exquisite, also requiring it to have true to nature can reproduce various sounds
The high-fidelity sound quality performance of effect.
In addition, no matter which kind of above-mentioned electronic product, in order to allow user listened under the situation for not interfering other people electronics produce
Voice signal provided by product, earphone have become the necessary accessory of each electronic product, furthermore earphone also provide listener compared with
Good voice transmission enables listener clearly to hear and understand sound-content.
(i.e. the English of IEM is complete for In-Ear Headphones also known as ear-canal earphones, built-in earplug or In-Ear monitor
Claim: In-Ear-Monitor), it is a kind of earphone inside human body hearing organ, according to its design, can seals when in use
The firmly ear canal of user.
In-Ear Headphones are on the basis of common headphones, to obtain better airtightness in colloid chock plug insertion ear canal.Pole
The big expression effect for increasing earphone, this leakproofness generally provide two kinds of functions:
(1) interference of the ambient noise to music is reduced.
(2) the closed environment provided, greatly reduces leakage sound.
Be for practical standpoint-in a noisy environment；The relatively low impregnable appreciation sound of volume can be used
It is happy.
(2) texture and amount sense of low frequency a: are increased；
B: increasing to be connected to the conduit of the performance of music detail these earphones with ear muff and be inserted into the first half area of ear canal, from
And create a kind of listening environments of sealing.
And the In-Ear Headphones of many top grades even can be customized ear-drum, to provide optimal comfort level and perfect
Soundproof effect.
The electro-acoustic conversion device of the Functional Unit converted using piezoelectric ceramics as electroacoustic has been widely used.
Currently, its Hz-KHz of independent magnetic earphone has good sound effect in 20Hz to 20KHz, and higher
Sound quality at frequency is difficult to improve on existing structure.It is compound with electromagnetic unit by increasing a piezoelectric part in structure,
Its frequency characteristic can extend to higher level, and current test shows at least to can achieve 40KHz.
Compound application such as CN201510698126, the piezoelectricity sounding for including in structure are carried out to electromagnetic type and piezoelectric type
The support plate peripheral part of body is supported in the shell for direct or indirect, more applies its similar mode, is by piezoelectric elements
Support plate periphery be fixed in shell.
Above-mentioned setting is unfavorable for individually controlling high frequency response.
Summary of the invention
The purpose of the present invention is to provide In-Ear high pitchs to compensate earphone, is asked with solving technology existing in the prior art
Topic.
In-Ear high pitch provided by the invention compensates earphone, it includes rear cover, tpe electromagnetic sound-producing device, resonator, piezoelectric vibration
Body, front cover, the front cover have the extension sound channel that can be put into ear canal, and the piezoelectric vibration body device is extending in sound channel, described
In resonator, the front cover and rear cover cover respectively mounted in resonator both ends tpe electromagnetic sound-producing device device；
The piezoelectric transducer includes fixed plate, piezoelectric ceramic vibrator, elastic damping, and described piezoelectric ceramic vibrator one end is solid
In fixed plate, elastic damping is bonded on piezoelectric ceramic vibrator, the fixed plate, which is packed in, to be extended in sound channel, and piezoelectricity is made to make pottery
Porcelain oscillator forms single cantilever beam structure.
Further, the tpe electromagnetic sound-producing device and piezoelectric transducer are mutually indepedent and are operated alone.
Further, the piezoelectric ceramic vibrator is the unilateral composite construction of monolithic piezoelectric ceramic and substrate.
Further, the piezoelectric ceramic vibrator is biplate piezoelectric ceramics and substrate bilateral composite construction.
Further, the piezoelectric ceramics in the piezoelectric ceramic vibrator minor structure is single layer piezoelectric body.
Further, the piezoelectric ceramics in the piezoelectric ceramic vibrator minor structure is multi-layer piezoelectric body.
Further, the elastic damping is adhered to piezoelectric ceramic vibrator side.
Further, the elastic damping is adhered to piezoelectric ceramic vibrator two sides.
Further, the rear cover and front cover are made of metal.
Further, the rear cover and front cover are made of plastics.
In-Ear high pitch provided by the invention compensates earphone, has the advantages that
The present invention includes rear cover, tpe electromagnetic sound-producing device, resonator, piezoelectric transducer, front cover, and front cover, which has, can be put into ear canal
Extend sound channel, piezoelectric vibration body device is extending in sound channel, and in resonator, front cover and rear cover cover tpe electromagnetic sound-producing device device respectively
Mounted in resonator both ends；Piezoelectric transducer includes fixed plate, piezoelectric ceramic vibrator, elastic damping, and piezoelectric ceramic vibrator one end is solid
In fixed plate, elastic damping is bonded on piezoelectric ceramic vibrator, fixed plate, which is packed in, to be extended in sound channel, and piezoelectric ceramic vibrator is made
Son forms single cantilever beam structure.
By above-mentioned setting, piezoelectric transducer is put into and is extended in ear canal, being designed in this way is beneficial to individually control high frequency sound
It answers, by extending ear canal, enhances sound directivity, and the fixed form of piezoelectric ceramic vibrator of the present invention is single cantilever beam knot
Structure, for working method because its other end is free end, vibration displacement is big, is improving frequency compared with the fixed working method in periphery
When characteristic needs identical vibration, the piezoelectric ceramic thickness of single cantilever beam structure can be thicker, facilitates the system of easyization piezoelectric ceramics
Make.
Detailed description of the invention
It below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram that the embodiment of the present invention one provides；
Fig. 2 is structural schematic diagram provided by Embodiment 2 of the present invention；
Appended drawing reference:
1- rear cover；2- tpe electromagnetic sound-producing device；3- resonator；
4- piezoelectric transducer；5- front cover；51- extends sound channel；
41- fixed plate；42- piezoelectric ceramic vibrator；43- elastic damping.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment one:
Fig. 1 is the structural schematic diagram that the In-Ear high pitch that provides of the embodiment of the present invention one compensates earphone, it include rear cover 1,
Tpe electromagnetic sound-producing device 2, resonator 3, piezoelectric transducer 4, front cover 5, front cover 5 have the extension sound channel 51 that can be put into ear canal, piezoelectricity vibration
4 device of kinetoplast is in the extension sound channel 51 of front cover 5, and in resonator 3, front cover 5 and rear cover 1 cover 2 device of tpe electromagnetic sound-producing device respectively
Mounted in 3 both ends of resonator；
Piezoelectric transducer 4 includes fixed plate 41, piezoelectric ceramic vibrator 42, elastic damping 43,42 one end of piezoelectric ceramic vibrator
It being packed in fixed plate 41, elastic damping 43 is bonded on piezoelectric ceramic vibrator 42, fixed plate 41, which is packed in, to be extended in sound channel 51,
Piezoelectric ceramic vibrator 42 is set to form single cantilever beam structure.
Tpe electromagnetic sound-producing device 2 and piezoelectric transducer 4 are mutually indepedent and are operated alone.
Piezoelectric ceramic vibrator 42 is the unilateral composite construction of monolithic piezoelectric ceramic and substrate.
Piezoelectric ceramics in 42 structure of piezoelectric ceramic vibrator is single layer piezoelectric body.
Elastic damping 43 is adhered to 42 side of piezoelectric ceramic vibrator.
Rear cover 1 and front cover 5 are made of metal or plastics.
Piezoelectric ceramics is a kind of informational function ceramic material-piezoelectric effect that can convert mutually mechanical energy and electric energy,
Piezoelectric ceramics also has dielectricity, elasticity etc., has been widely used in medical imaging, sonic transducer, sound in addition to piezoelectricity
Energy converter, ultrasonic motor etc..
Piezoelectric ceramics under mechanical stress effect, causes the relative displacement of internal positive and negative charge center and occurs using its material
Polarization, causes material ends surface the opposite bound charge of symbol i.e. piezoelectric effect occur and make, and has sensitive characteristic, pressure
Electroceramics is mainly for the manufacture of ultrasonic transducer, underwater acoustic transducer, electroacoustic transducer, ceramic filter, ceramic transformer, ceramics
Frequency discriminator, high pressure generator, infrared detector, SAW device, electro-optical device, ignition and blasting device and piezolectric gyroscope etc..
Common piezoelectric ceramics has barium titanate series, lead zirconate titanate binary system and adds the third ABO3 (A table in binary system
Show bivalent metal ion, B indicates that quadrivalent metallic ion or several ion summations are positive tetravalence) type compound, such as: Pb (Mn1/
3Nb2/3) the ternary system of the compositions such as O3 and Pb (Co1/3Nb2/3) O3.If adding the 4th kind or more on ternary system
Compound, constitute quaternary system or polynary series piezoelectric ceramic.In addition, there are also a kind of metaniobate series piezoelectric ceramic, such as inclined niobium
Sour potassium sodium (Na0.5K0.5NbO3) and inclined strontium barium niobate (BaxSr1-xNb2O5) etc., they are free of toxic lead,
It is advantageous to environmental protection.
Piezoelectric ceramics has sensitive characteristic, extremely faint mechanical oscillation can be converted into electric signal, can be used for sound
Receive system, meteorological detection, telemetering environmental protection, household electrical appliance etc..
The deformation quantity very little that piezoelectric ceramics generates under electric field action, no more than thousand a ten thousandths of size itself,
Based on accurate control mechanism-piezoelectric actuator of this principle production, for precision instrument and mechanical control, microelectronics skill
The fields such as art, bioengineering are all a big Gospels.The frequency control apparatus such as resonator, filter are to determine communication equipment performance
Primary Component, piezoelectric ceramics has apparent superiority in this respect.Its frequency stability is good, precision height and applicable frequency model
Enclose width, and it is small in size, nonhygroscopic, the service life is long, and anti-interference can be improved especially in multiple communicating apparatus, make previous electricity
Magnetic machine can not be unmatch and be faced with the destiny substituted.
Embodiment two:
Fig. 2 is the structural schematic diagram that In-Ear high pitch provided by Embodiment 2 of the present invention compensates earphone, it include rear cover 1,
Tpe electromagnetic sound-producing device 2, resonator 3, piezoelectric transducer 4, front cover 5, front cover 5 have the extension sound channel 51 that can be put into ear canal, piezoelectricity vibration
4 device of kinetoplast is extending in sound channel 51, and in resonator 3, front cover 5 and rear cover 1 cover respectively mounted in sympathetic response 2 device of tpe electromagnetic sound-producing device
3 both ends of chamber；
Piezoelectric transducer 4 includes fixed plate 41, piezoelectric ceramic vibrator 42, elastic damping 43,42 one end of piezoelectric ceramic vibrator
It being packed in fixed plate 41, elastic damping 43 is bonded on piezoelectric ceramic vibrator 42, fixed plate 41, which is packed in, to be extended in sound channel 51,
Piezoelectric ceramic vibrator 42 is set to form single cantilever beam structure.
Tpe electromagnetic sound-producing device 2 and piezoelectric transducer 4 are mutually indepedent and are operated alone.
Piezoelectric ceramic vibrator 42 is the unilateral composite construction of monolithic piezoelectric ceramic and substrate.
Piezoelectric ceramics in 42 structure of piezoelectric ceramic vibrator is single layer piezoelectric body.
Elastic damping 43 is adhered to 42 two sides of piezoelectric ceramic vibrator.
Rear cover 1 and front cover 5 are made of metal or plastics.
Embodiment three:
In-Ear high pitch provided in this embodiment compensates earphone, is to compensate earphone to the In-Ear high pitch that embodiment one provides
Further improvement, on the basis of Fig. 1 structure；
Piezoelectric ceramic vibrator 42 is the unilateral composite construction of monolithic piezoelectric ceramic and substrate.
Piezoelectric ceramics in 42 structure of piezoelectric ceramic vibrator is multi-layer piezoelectric body.
Elastic damping 43 is adhered to 42 side of piezoelectric ceramic vibrator.
Example IV:
In-Ear high pitch provided in this embodiment compensates earphone, is to compensate earphone to the In-Ear high pitch that embodiment two provides
Further improvement, on the basis of Fig. 2 structure；
Piezoelectric ceramic vibrator 42 is the unilateral composite construction of monolithic piezoelectric ceramic and substrate.
Piezoelectric ceramics in 42 structure of piezoelectric ceramic vibrator is multi-layer piezoelectric body.
Elastic damping 43 is adhered to 42 two sides of piezoelectric ceramic vibrator.
Embodiment five:
In-Ear high pitch provided in this embodiment compensates earphone, is to compensate earphone to the In-Ear high pitch that embodiment one provides
Further improvement, on the basis of Fig. 1 structure；
Piezoelectric ceramic vibrator 42 is biplate piezoelectric ceramics and substrate bilateral composite construction.
Piezoelectric ceramics in 42 structure of piezoelectric ceramic vibrator is single layer piezoelectric body.
Elastic damping 43 is adhered to 42 side of piezoelectric ceramic vibrator.
Embodiment six:
In-Ear high pitch provided in this embodiment compensates earphone, is to compensate earphone to the In-Ear high pitch that embodiment two provides
Further improvement, on the basis of Fig. 2 structure；
Piezoelectric ceramic vibrator 42 is biplate piezoelectric ceramics and substrate bilateral composite construction.
Piezoelectric ceramics in 42 structure of piezoelectric ceramic vibrator is single layer piezoelectric body.
Elastic damping 43 is adhered to 42 two sides of piezoelectric ceramic vibrator.
Embodiment seven:
In-Ear high pitch provided in this embodiment compensates earphone, is to compensate earphone to the In-Ear high pitch that embodiment one provides
Further improvement, on the basis of Fig. 1 structure；
Piezoelectric ceramic vibrator 42 is biplate piezoelectric ceramics and substrate bilateral composite construction.
Piezoelectric ceramics in 42 structure of piezoelectric ceramic vibrator is multi-layer piezoelectric body.
Elastic damping 43 is adhered to 42 side of piezoelectric ceramic vibrator.
Embodiment eight:
In-Ear high pitch provided in this embodiment compensates earphone, is to compensate earphone to the In-Ear high pitch that embodiment two provides
Further improvement, on the basis of Fig. 2 structure；
Piezoelectric ceramic vibrator 42 is biplate piezoelectric ceramics and substrate bilateral composite construction.
Piezoelectric ceramics in 42 structure of piezoelectric ceramic vibrator is multi-layer piezoelectric body.
Elastic damping 43 is adhered to 42 two sides of piezoelectric ceramic vibrator.
Piezoelectric transducer is put by the present invention to be extended in ear canal, and being designed in this way is beneficial to individually control high frequency response, passes through
Extend ear canal, enhances sound directivity, and the fixed form of piezoelectric ceramic vibrator of the present invention is single cantilever beam structure, work
For mode because its other end is free end, vibration displacement is big, is improving frequency characteristic needs compared with the fixed working method in periphery
When identical vibration, the piezoelectric ceramic thickness of single cantilever beam structure can be thicker, facilitates the production of easyization piezoelectric ceramics.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of In-Ear high pitch compensates earphone, which is characterized in that it includes rear cover, tpe electromagnetic sound-producing device, resonator, piezoelectric vibration
Body, front cover, the front cover have the extension sound channel that can be put into ear canal, and the piezoelectric vibration body device is extending in sound channel, described
In resonator, the front cover and rear cover cover respectively mounted in resonator both ends tpe electromagnetic sound-producing device device；
The piezoelectric transducer includes fixed plate, piezoelectric ceramic vibrator, elastic damping, and described piezoelectric ceramic vibrator one end is packed in
In fixed plate, elastic damping is bonded on piezoelectric ceramic vibrator, the fixed plate, which is packed in, to be extended in sound channel, and piezoelectric ceramic vibrator is made
Son forms single cantilever beam structure.
2. In-Ear high pitch according to claim 1 compensates earphone, which is characterized in that the tpe electromagnetic sound-producing device and piezoelectricity vibration
Kinetoplast is mutually indepedent and is operated alone.
3. In-Ear high pitch according to claim 1 compensates earphone, which is characterized in that the piezoelectric ceramic vibrator is monolithic
The unilateral composite construction of piezoelectric ceramics and substrate.
4. In-Ear high pitch according to claim 1 compensates earphone, which is characterized in that the piezoelectric ceramic vibrator is biplate
Piezoelectric ceramics and substrate bilateral composite construction.
5. In-Ear high pitch according to claim 3 or 4 compensates earphone, which is characterized in that the piezoelectric ceramic vibrator knot
Piezoelectric ceramics in structure is single layer piezoelectric body.
6. In-Ear high pitch according to claim 3 or 4 compensates earphone, which is characterized in that the piezoelectric ceramic vibrator knot
Piezoelectric ceramics in structure is multi-layer piezoelectric body.
7. In-Ear high pitch according to claim 1 compensates earphone, which is characterized in that the elastic damping is adhered to piezoelectricity
Ceramic vibrator side.
8. In-Ear high pitch according to claim 1 compensates earphone, which is characterized in that the elastic damping is adhered to piezoelectricity
Ceramic vibrator two sides.
9. In-Ear high pitch according to claim 1 compensates earphone, which is characterized in that the rear cover and front cover are by made of metal
At.
10. In-Ear high pitch according to claim 1 compensates earphone, which is characterized in that the rear cover and front cover are by plastics
It is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610422476.3A CN105959851B (en) | 2016-06-14 | 2016-06-14 | In-Ear high pitch compensates earphone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610422476.3A CN105959851B (en) | 2016-06-14 | 2016-06-14 | In-Ear high pitch compensates earphone |
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| CN105959851A CN105959851A (en) | 2016-09-21 |
| CN105959851B true CN105959851B (en) | 2019-04-19 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106412743A (en) * | 2016-10-14 | 2017-02-15 | 常州市武进晶丰电子有限公司 | Earphone core and earphone |
| CN109257676B (en) * | 2018-10-31 | 2020-11-06 | 苏州全频智能科技有限公司 | Bluetooth headset system based on audio distortion compensation technology |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5737436A (en) * | 1995-09-19 | 1998-04-07 | Interval Research Corporation | Earphones with eyeglass attatchments |
| CN101534461A (en) * | 2008-03-12 | 2009-09-16 | Akg声学有限公司 | In-ear earphone with multiple transducers |
| CN102413407A (en) * | 2011-10-11 | 2012-04-11 | 康厚墉 | Middle-ear implantable miniature piezoelectric microphone and method for preparing same |
| CN205693851U (en) * | 2016-06-14 | 2016-11-16 | 常州市武进晶丰电子有限公司 | In-Ear high pitch compensates earphone |
-
2016
- 2016-06-14 CN CN201610422476.3A patent/CN105959851B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5737436A (en) * | 1995-09-19 | 1998-04-07 | Interval Research Corporation | Earphones with eyeglass attatchments |
| CN101534461A (en) * | 2008-03-12 | 2009-09-16 | Akg声学有限公司 | In-ear earphone with multiple transducers |
| CN102413407A (en) * | 2011-10-11 | 2012-04-11 | 康厚墉 | Middle-ear implantable miniature piezoelectric microphone and method for preparing same |
| CN205693851U (en) * | 2016-06-14 | 2016-11-16 | 常州市武进晶丰电子有限公司 | In-Ear high pitch compensates earphone |
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