CN203933894U - The dull and stereotyped earphone of a kind of wear-type - Google Patents
The dull and stereotyped earphone of a kind of wear-type Download PDFInfo
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- CN203933894U CN203933894U CN201420010914.1U CN201420010914U CN203933894U CN 203933894 U CN203933894 U CN 203933894U CN 201420010914 U CN201420010914 U CN 201420010914U CN 203933894 U CN203933894 U CN 203933894U
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- subcoil
- vibrating diaphragm
- earphone
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- stereotyped
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Abstract
The utility model relates to the dull and stereotyped earphone of a kind of wear-type, there is headband, be located at the left and right earmuff at headband two ends, be placed in the flat transducer of earmuff, and in order to the earphone cord of signal to be provided to flat transducer, described flat transducer comprises that periphery is fixed on the vibrating diaphragm on framework, and with described vibrating diaphragm on the opposed permanent magnet of coil position, it is characterized in that: described coil comprises the first subcoil and second subcoil of series connection, described the first subcoil is formed by the first conductor rule wiring, described the second subcoil is formed by the second conductor rule wiring, and described the first subcoil and the second subcoil vibrating diaphragm projection in the plane do not overlap.Its advantage is: adopt the mode of multi-coil series connection to form the dull and stereotyped diaphragm for transducer coil of composite construction, a kind of coil adopts the good gold of ductility or platinum to make, another kind of coil adopts other common metal material to make, carry out control coil total quality by length and the area of controlling two kinds of coils, and then the sound property of control transducer, make low, high frequency response and transient state more balanced, reached good sound effect.
Description
Technical field
The utility model relates to earphone technical field, relates in particular to the dull and stereotyped earphone of a kind of wear-type.
Background technology
Flat earphone combines the advantage of moving-coil earphone and electrostatic earphone, compares the electrostatic better performance that has aspect low frequency, and aspect high frequency, is also better than moving-coil type.The structure of the transducer of its core is generally and in yoke, disposes side by side multiple strip-shaped permanent-magnet bodies, has vibrating diaphragm with respect to the magnetic pole strength configured in parallel of these permanent magnets, on vibrating diaphragm, is provided with coil with the opposed position of permanent magnet.Electric current and the magnetic field orthotropic being generated by permanent magnet that coil inside is mobile, so, by the alternating current that circulates in coil, coil produces the power of deferring to Faraday's law, under the effect of this power, vibrating diaphragm vibrates in vertical direction, and this ac current signal is transformed to voice signal.Referring to Fig. 1, it is a typical dull and stereotyped diaphragm for transducer structure, comprises the vibrating diaphragm 1 that periphery is supported by framework 2, and the coil on vibrating diaphragm 1 is electrically connected with wire 3.
In this dull and stereotyped earphone transducer designs, mass of coil has direct impact for transducer sounding effect, in the time that voice coil loudspeaker voice coil is heavier, can make high frequency response low, and make the resonance cycle of high range low, and in the time that oscillating mass is large, because inertia is larger, make the transient response variation of sound, thus conventionally when design dull and stereotyped transducer wish to obtain lower mass of coil.Based on this, the coil method of the dull and stereotyped earphone product of part adopts the good gold copper-base alloy of ductility to make, and can make like this coil thickness reach nanoscale, has significantly reduced the quality of coil, has therefore obtained fabulous transient state and parsing power.But in actual listening to, also there is the shortcoming of low frequency amount sense deficiency simultaneously in this earphone.Applicant is finding after research, in the time of suitable raising coil gross mass, in reducing transient state and high frequency characteristics, can promote low frequency characteristic, therefore under prerequisite reasonable in design, coil adopts the transducer low frequency characteristic of other conventional material (as aluminium, copper, silver etc.) can be better than gold thread circle vibrating diaphragm.But due to the ductility deficiency of these materials, in the time ensureing the reliability of coil under frequent vibration condition, can cause because its thickness is blocked up transient state, high frequency relative with parsing power poor.
Obviously the thickness that increases gold thread circle improves quality and is one and seems direct solution.But also inadvisable in reality research and development and production:
First, adopting gold is mainly to utilize its good ductility and can reach very thin thickness as vibrating diaphragm coil method, and therefore by increasing the thickness of gold thread circle, to improve quality be very uneconomic.
Secondly, in the R&D process of earphone, final tuning style is actual the listening to that relies on people's ear all the time, this just means ideal thickness or the ideal thickness interval of GPRS gold thread circle, need to make the vibrating diaphragm of a large amount of different coil thickness, this has not only proposed very high requirement to the manufacturing process of gold thread circle, and R&D costs and the R&D cycle long, enterprise be difficult to burden.Therefore it is also very difficult controlling sound property by control coil thickness.
Utility model content
The object of the utility model embodiment is the shortcoming for prior art, the dull and stereotyped earphone of a kind of wear-type is proposed, adopt the mode of multi-coil series connection to form the diaphragm for transducer coil of composite construction, a kind of coil wherein adopts the good gold of ductility or platinum to make, and another kind of coil adopts the relatively poor metal material of ductility to make, control sound property by length and the area of controlling two kinds of coils, reached good sounding effect.
In order to reach above-mentioned utility model object, the dull and stereotyped earphone of a kind of wear-type the utility model proposes, is achieved through the following technical solutions:
The dull and stereotyped earphone of a kind of wear-type, there is headband, be located at the earmuff at headband two ends, be placed in the flat transducer of earmuff, and in order to the earphone cord of signal to be provided to flat transducer, described flat transducer comprises that periphery is fixed on the vibrating diaphragm on framework, and with this vibrating diaphragm on the opposed permanent magnet in voice coil loudspeaker voice coil position that is covered with, it is characterized in that: described voice coil loudspeaker voice coil comprises the first subcoil and second subcoil of series connection, described the first subcoil is formed by the first conductor material rule wiring, described the second subcoil is formed by the second conductor material rule wiring, and described the first subcoil and the second subcoil described vibrating diaphragm projection in the plane do not overlap, the material of described the second conductor is selected from the one in gold and platinum, in described vibrating diaphragm place plane, the quality of the first subcoil of same projection area is 2-30 times of the second subcoil.
Described the first subcoil is formed on a side surface of described vibrating diaphragm, and described the second subcoil is formed on the opposite side surface of described vibrating diaphragm.
Described the first subcoil and the second subcoil are all formed on the same face of described vibrating diaphragm.
The material of described the first conductor is selected from the one in carbon, copper, aluminium, silver, copper alloy and aluminium alloy.
Described the first subcoil length is the 30%-300% of the second subcoil length, and the projected area of the first subcoil is the projected area 30%-300% of the second subcoil; The quality of the first subcoil of same projection area is 2-20 times of the second subcoil.
Described the first subcoil length is the 50%-200% of the second subcoil length, and the projected area of the first subcoil is the projected area 50%-200% of the second subcoil; The quality of the first subcoil of same projection area is 5-10 times of the second subcoil.
Described the second subcoil is located at the center of described vibrating diaphragm.
Described the first subcoil and the second subcoil are all full of twists and turns serpentine configuration.
State vibrating diaphragm for circular, described voice coil loudspeaker voice coil comprises multiple the first subcoils and second subcoil, and described multiple the first subcoils are located at the periphery of described the second subcoil, and described voice coil loudspeaker voice coil is around the central rotation symmetry of described vibrating diaphragm.
Described the first conductor is aluminium, and described the second conductor is gold, and the thickness of described the first subcoil is 0.3-10 micron, and the thickness of described the second subcoil is 50-1000 nanometer.
Described the second subcoil and the first subcoil all obtain on described vibrating diaphragm surface by gas phase or liquid deposition.
Compared with prior art, the beneficial effects of the utility model are: adopt the mode of multi-coil series connection to form the dull and stereotyped diaphragm for transducer coil of composite construction, a kind of coil wherein adopts the good gold of ductility or platinum to make, and another kind of coil adopts the relatively poor metal material of ductility to make, carry out control coil total quality by length and the area of controlling two kinds of coils, and then the sound property of control transducer, make low, high frequency response and transient state more balanced, therefore reached good sound effect.
Brief description of the drawings
By the description of its exemplary embodiment being carried out below in conjunction with accompanying drawing, the above-mentioned feature and advantage of the utility model will become apparent and easily understand.
Fig. 1 is existing dull and stereotyped diaphragm for transducer structural representation;
Fig. 2 is the utility model embodiment 1 vibrating diaphragm first surface part-structure schematic diagram;
Fig. 3 is the utility model embodiment 1 Headphone structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, so that technical staff's of the same trade understanding:
As Figure 1-3, label represents respectively:
Vibrating diaphragm 1, framework 2, wire 3, the first subcoil 4, the second subcoil 5, headband 6, left earmuff 7, right earcup 8.
Embodiment 1
Shown in Fig. 2-3, first the present embodiment 1 proposes a kind of flat earphone, there is headband 6, be located at headband 6 two ends left earmuff 7 and right earcup 8, be placed in the flat transducer of left and right earmuff.The structure of flat transducer is identical with conventional dull and stereotyped transducer architecture, comprises a vibrating diaphragm 1 being fixed on framework 2, and with described vibrating diaphragm 1 on the opposed permanent magnet of coil position.Permanent magnet can be located at the both sides (push-pull type) of vibrating diaphragm 1 or only be located at a side (acyclic type).Because this structure is those skilled in the art's technology of commonly seeing, and do not belong to design main points of the present utility model, therefore do not repeat them here.
Vibrating diaphragm 1 be shaped as circle, its periphery is fixed on framework 2, on described vibrating diaphragm 1, is laid with voice coil loudspeaker voice coil, is also provided with two wires 3 that are electrically connected with voice coil loudspeaker voice coil two ends on framework 2.But be different from existing dull and stereotyped earphone diaphragm, voice coil loudspeaker voice coil is in series by two the first subcoils 4 and second subcoil 5.The first subcoil 4 is arranged on the first surface of vibrating diaphragm 1, and the second subcoil 5 is arranged on the second surface of relative first surface.Wherein:
The second subcoil 5 is formed by the second conductor material rule wiring, and is located at the center of described vibrating diaphragm 1.The second subcoil 5 is full of twists and turns serpentine configuration.In the present embodiment, the second conductor material is gold, and the second subcoil 5 is to obtain by gas phase or liquid deposition on the second surface of vibrating diaphragm, and the thickness of the second subcoil 5 should be uniform as much as possible.Obviously, it will be understood by those skilled in the art that this second subcoil 5 also can obtain by other technology that can form conductor layer on vibrating diaphragm in prior art.
The first subcoil 4 is formed by the first conductor material rule wiring.In the present embodiment, the material of the first conductor is aluminium, and the first subcoil 4 can obtain on vibrating diaphragm 1 surface by gas phase or liquid deposition equally, and thickness is also even as much as possible simultaneously.Identical with the structure of the second subcoil 5, two the first subcoils 45 are full of twists and turns serpentine configuration equally, two the first subcoils 4 are located at the both sides of described the second subcoil 5, and described the first subcoil 4 and the second subcoil 5 do not overlap in the projection in the plane of 1 of vibrating diaphragm, are roughly laid in substantially uniformly generally on vibrating diaphragm 1.Meanwhile, the voice coil loudspeaker voice coil assembly being made up of the first subcoil 4 and the second subcoil 5 is around the central rotation symmetry of described vibrating diaphragm 1.
In addition, all draw by the wire of being located on framework 2 at the two ends of the first subcoil 4 and the second subcoil 5, realizes the series connection between the first subcoil 4 and the second subcoil 5 by the connection between wire.Because this electric connection structure is based on existing coil and side connecting conductor formula, be known to the skilled person technology, therefore do not repeat them here.
Ensureing enough stablizing under vibrational state, reduce as far as possible again under the prerequisite of mass of coil, the thickness of described the first subcoil 4 is 0.3-10 micron, the thickness of described the second subcoil 5 is 50-1000 nanometer.This is because golden ductility is higher than aluminium, therefore the thickness of the second subcoil 5 is can relative the first subcoil 4 thin a lot.Just based on this, the quality of the first subcoil 4 of same projection area will be far above the second subcoil 5, and utility model object of the present utility model is carried out control coil total quality by length and the area of controlling two kinds of coils just, and then control the sound property of transducer, make low, high frequency response and transient state more balanced.
Applicant is finding through repetition test with after studying for a long time, is finding when paying after long-term and arduous work:
When under same projection area condition, the quality of the first subcoil 4 should be controlled at 2-30 times of the second subcoil 5.
Preferably, described the first subcoil 4 length are the 30%-300% of the second subcoil 5 length, and the projected area of the first subcoil 4 is the projected area 30%-300% of the second subcoil 5; The quality of the first subcoil 4 of same projection area is 2-20 times of the second subcoil 5.
Further preferred, described the first subcoil 4 length are the 50%-200% of the second subcoil 5 length, and the projected area of the first subcoil 4 is the projected area 50%-200% of the second subcoil 5; The quality of the first subcoil 4 of same projection area is 5-10 times of the second subcoil 5.
Embodiment 2
The present embodiment provides another kind of diaphragm structure, and embodiment 1 difference is: the first subcoil 4 on vibrating diaphragm 1 and the second subcoil 5 are all located at the same side of vibrating diaphragm 1.Relatively structure in embodiment 2, in embodiment 1 two kinds of coils owing to laying respectively at the both sides of vibrating diaphragm, for processing technology require relatively lowly, be preferred technical scheme.
Be elaborated for utility model intention of the present utility model and execution mode by multiple embodiment above; but the utility model one of ordinary skill in the art be appreciated that; the above embodiment of the utility model is only one of preferred embodiment of the present utility model; for length restriction; here can not all execution modes of particularize; any enforcement that can embody the utility model claim technical scheme, all in protection range of the present utility model.
It should be noted that; above content is in conjunction with concrete execution mode further detailed description of the utility model; can not assert that embodiment of the present utility model only limits to this; under the guidance of above-described embodiment; those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improvement or distortion drop in protection range of the present utility model.
Claims (10)
1. the dull and stereotyped earphone of wear-type, there is headband, be located at the earmuff at headband two ends, be placed in the flat transducer of earmuff, and in order to the earphone cord of signal to be provided to flat transducer, described flat transducer comprises that periphery is fixed on the vibrating diaphragm on framework, and with this vibrating diaphragm on the opposed permanent magnet in voice coil loudspeaker voice coil position that is covered with, it is characterized in that: described voice coil loudspeaker voice coil comprises the first subcoil and second subcoil of series connection, described the first subcoil is formed by the first conductor material rule wiring, described the second subcoil is formed by the second conductor material rule wiring, and described the first subcoil and the second subcoil described vibrating diaphragm projection in the plane do not overlap, the material of described the second conductor is selected from the one in gold and platinum, in described vibrating diaphragm place plane, the first subcoil quality of same projection area is 2-30 times of the second subcoil.
2. the dull and stereotyped earphone of a kind of wear-type according to claim 1, is characterized in that: described the first subcoil is formed on a side surface of described vibrating diaphragm, and described the second subcoil is formed on the opposite side surface of described vibrating diaphragm.
3. the dull and stereotyped earphone of a kind of wear-type according to claim 1, is characterized in that: described the first subcoil and the second subcoil are all formed on the same face of described vibrating diaphragm.
4. according to the dull and stereotyped earphone of a kind of wear-type described in claim 1-3 any one, it is characterized in that: the material of described the first conductor is selected from the one in carbon, copper, aluminium, silver, copper alloy and aluminium alloy.
5. the dull and stereotyped earphone of a kind of wear-type according to claim 4, is characterized in that: described the first subcoil length is the 30%-300% of the second subcoil length, and the projected area of the first subcoil is the projected area 30%-300% of the second subcoil; The quality of the first subcoil of same projection area is 2-20 times of the second subcoil.
6. the dull and stereotyped earphone of a kind of wear-type according to claim 5, is characterized in that: described the first subcoil length is the 50%-200% of the second subcoil length, and the projected area of the first subcoil is the projected area 50%-200% of the second subcoil; The quality of the first subcoil of same projection area is 5-10 times of the second subcoil.
7. the dull and stereotyped earphone of a kind of wear-type according to claim 6, is characterized in that: described the second subcoil is located at the center of described vibrating diaphragm, and described the first subcoil and the second subcoil are all full of twists and turns serpentine configuration.
8. the dull and stereotyped earphone of a kind of wear-type according to claim 7, it is characterized in that: described vibrating diaphragm is for circular, described voice coil loudspeaker voice coil comprises multiple the first subcoils and second subcoil, described multiple the first subcoils are located at the periphery of described the second subcoil, and described voice coil loudspeaker voice coil is around the central rotation symmetry of described vibrating diaphragm.
9. the dull and stereotyped earphone of a kind of wear-type according to claim 8, is characterized in that: described the first conductor is aluminium, and described the second conductor is gold, and the thickness of described the first subcoil is 0.3-10 micron, and the thickness of described the second subcoil is 50-1000 nanometer.
10. the dull and stereotyped earphone of a kind of wear-type according to claim 9, is characterized in that: described the second subcoil and the first subcoil all obtain on described vibrating diaphragm surface by gas phase or liquid deposition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420010914.1U CN203933894U (en) | 2014-01-04 | 2014-01-04 | The dull and stereotyped earphone of a kind of wear-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420010914.1U CN203933894U (en) | 2014-01-04 | 2014-01-04 | The dull and stereotyped earphone of a kind of wear-type |
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| Publication Number | Publication Date |
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| CN203933894U true CN203933894U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420010914.1U Expired - Fee Related CN203933894U (en) | 2014-01-04 | 2014-01-04 | The dull and stereotyped earphone of a kind of wear-type |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103763653A (en) * | 2014-01-04 | 2014-04-30 | 海菲曼（天津）科技有限公司 | Head-mounted flat plate headset |
| CN103763652A (en) * | 2014-01-04 | 2014-04-30 | 海菲曼（天津）科技有限公司 | Composite vibrating diaphragm type flat headset |
-
2014
- 2014-01-04 CN CN201420010914.1U patent/CN203933894U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103763653A (en) * | 2014-01-04 | 2014-04-30 | 海菲曼（天津）科技有限公司 | Head-mounted flat plate headset |
| CN103763652A (en) * | 2014-01-04 | 2014-04-30 | 海菲曼（天津）科技有限公司 | Composite vibrating diaphragm type flat headset |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20170104 |