CN206452540U - A kind of pure electricity of graphene drives loudspeaker - Google Patents
A kind of pure electricity of graphene drives loudspeaker Download PDFInfo
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- CN206452540U CN206452540U CN201621098398.8U CN201621098398U CN206452540U CN 206452540 U CN206452540 U CN 206452540U CN 201621098398 U CN201621098398 U CN 201621098398U CN 206452540 U CN206452540 U CN 206452540U
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- loudspeaker
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Abstract
The utility model is related to loudspeaker techniques field, refer in particular to a kind of pure electricity of graphene and drive loudspeaker, including first support, field generator for magnetic, voice coil loudspeaker voice coil portion and vibrating diaphragm component, the voice coil loudspeaker voice coil portion, vibrating diaphragm component are separately positioned in first support, the field generator for magnetic is electromagnetic drive part, and the electromagnetic drive part includes second support, iron core and magnetic induction loop;The vibrating diaphragm component is made up of grapheme material, and voice coil loudspeaker voice coil portion includes speech coil framework and encapsulated coil, and at least two enamel-covered wires form multiply winding displacement, at least two enamel-covered wire mutually insulateds that multiply winding displacement coiling is formed in the encapsulated coil, multiply winding displacement side by side.Graphene it is pure electricity drive loudspeaker non-magnet, without using rare earth element, different enamel-covered wires has independent electric current in-out end, for undertaking the different piece in loudspeaker sound, influenceing for influence and frequency and electric current of the sound by inertia during diaphragm oscillations in the conversion of volume and tone color is reduced, the tonequality that loudspeaker sends sound is improved significantly.
Description
Technical field
The utility model is related to loudspeaker techniques field, refers in particular to a kind of pure electricity of graphene and drives loudspeaker.
Background technology
With the continuous improvement of the market demand, mobile phone gradually develops to slimming direction, and requires that its sound quality is got over
Come better, this requires the loudspeaker in mobile phone to develop towards small-sized, slim, high tone quality direction, to wanting for its acoustical behavior
Ask and also just improve therewith.Voice coil loudspeaker voice coil is one of significant components of loudspeaker.When alternation tone currents is by voice coil loudspeaker voice coil, produce voice coil loudspeaker voice coil
The alternating current changed with audio, cutting magnetic line produces mechanical oscillation, drives cone vibration to send sound.
The loudspeaker of correlation technique, it includes speaker chamber, the vibrating diaphragm fitted in speaker chambers body and is contained in raise
In sound device cavity and the voice coil loudspeaker voice coil that fits on vibrating diaphragm.Wherein, voice coil loudspeaker voice coil includes sound ring frame and is wound in continuous on the sound ring frame
Voice coil line.The voice coil loudspeaker voice coil of existing loudspeaker only has an enamel-covered wire coiling to form, no matter high pitch middle pitch or low in voiced process
The vibrations that sound drives vibrating diaphragm by the root enamel-covered wire are produced, so as to cause sound in the conversion of volume and tone color by vibrating diaphragm
The influence of the influence of inertia and frequency and electric current during vibration and cause sound to produce a certain degree of distortion, limit loudspeaker
Tonequality is improved, it is difficult to meet pursuit of the people to more high tone quality.
In addition, loudspeaker are in coil of the AC audio electric current by loudspeaker, just generated in voice coil loudspeaker voice coil corresponding magnetic field this
The magnetic field that individual magnetic field is produced with the permanent magnet carried on loudspeaker produces interaction force then, and this power just makes voice coil loudspeaker voice coil exist
The vibrating diaphragm and voice coil loudspeaker voice coil for vibrating and loudspeaker with tone currents in the magnetic field for carrying permanent magnet of loudspeaker are to be connected in one
Rise, so vibrating diaphragm also vibrates vibrations and just generated and former audio signal waveform identical sound.
The material Nd-Fe-B permanent magnetic of permanent magnet is carried used in present loudspeaker, main component is rear earth element nd
(Re), iron (Fe), boron (B), its rare earth elements is mainly neodymium (Nd).Because scarce resource is used and is given birth to caused by rare earth mining
State environmental disruption.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of non-magnet, pure without using the graphene of rare earth element
Electricity drives loudspeaker, and different enamel-covered wires has independent electric current in-out end, for undertaking the different piece in loudspeaker sound, reduces
Sound is influenceed in the conversion of volume and tone color by inertia during diaphragm oscillations and frequency and electric current influence, loudspeaker hair
The tonequality for going out sound is improved significantly.
In order to solve the above-mentioned technical problem, the utility model is adopted the following technical scheme that:
A kind of pure electricity of graphene drives loudspeaker, including first support, field generator for magnetic, voice coil loudspeaker voice coil portion and vibrating diaphragm component, magnetic field
Generating means is connected with the bottom of the support, and the voice coil loudspeaker voice coil portion, vibrating diaphragm component are separately positioned in first support, the magnetic field
Generating means is electromagnetic drive part, and the electromagnetic drive part includes second support, iron core and magnetic induction loop, and the iron core is arranged on
In second support, the magnetic induction loop is enclosed on the iron core;The vibrating diaphragm component is made up of grapheme material, and voice coil loudspeaker voice coil portion includes
Speech coil framework and the encapsulated coil being fixed on speech coil framework, in addition at least two enamel-covered wires, at least two enamel-covered wires are simultaneously
Row forms multiply winding displacement, and at least two enamel-covered wires that multiply winding displacement coiling is formed in the encapsulated coil, multiply winding displacement are mutually exhausted
Edge.
It is preferred that, second support is T iron plastic rubber brackets, and the iron core is T iron, and first support is plastic rubber bracket.
It is preferred that, first support is provided with groove, and the vibrating diaphragm component includes playing ripple portion, cone, the outstanding side being connected with cone
And dust cap, the bullet ripple portion is arranged in the groove of the support, and the cone hangs over the groove of first support by hanging side
Interior, the dust cap is arranged at the cone.
It is preferred that, the speech coil framework is formed by reinforcement ply of paper and aluminium foil layer by glue bonding, and aluminium foil layer is located at reinforcement
The internal layer of ply of paper.
It is preferred that, the reinforcement ply of paper is the paper tube being made up of brown paper.
It is preferred that, the quantity of enamel-covered wire is two, three or four in the multiply winding displacement.
It is preferred that, the encapsulated coil is circular coil, ellipticity coil, square coil or racetrack-type rotor coil, described
Speech coil framework is corresponding with the shape of encapsulated coil and the interior inwall for being lining in encapsulated coil.
It is preferred that, the encapsulated coil is square coil, regular hexagon coil or octagon coil.
It is preferred that, the line footpath of at least two enamel-covered wires is equal in the multiply winding displacement.
The beneficial effects of the utility model are:
The utility model provides a kind of pure electricity of graphene and drives loudspeaker, and the utility model uses support, iron core and magnetic induction line
The electromagnetic drive part of formation is enclosed to replace permanent magnet, around upper magnetic induction loop on the iron core (also known as conducting magnetic column) at voice coil loudspeaker voice coil center,
When adding power supply to magnetic induction loop two ends, iron core will produce magnetic field to replace permanent magnet, produce polarity and the magnetic field in magnetic field
Power can lift loudspeaker operating efficiency with being adjusted according to requiring, so as to greatly facilitate designer's demand, increase simultaneously
The stroke that loudspeaker move up and down, the sensitivity of lifting loudspeaker, more perfect, the overall weight saving 20-50% of the sound sent, greatly
Big is convenient for carrying.
Multiply independence entrance and exit type has a skeleton voice coil loudspeaker voice coil, including speech coil framework and the encapsulated coil that is fixed on speech coil framework, its
It is characterised by:Including at least two enamel-covered wires, at least two enamel-covered wires form multiply winding displacement side by side, and multiply winding displacement coiling is formed
At least two enamel-covered wire mutually insulateds in the encapsulated coil, multiply winding displacement.At least two enamel-cover line lockings turn to envelope
Abutment line circle, and different enamel-covered wires are separate, each self-insulating, under the control action of ICE chips, at least two enamel-covered wires are common
Form the vibratory drive controls entered to have more electrical termination, different frequency sound is corresponded to respectively, alternative sounds frequency is by different paints more
Envelope curve drives, so as to effectively prevent the mutual shadow that the frequency modulation and electric current that alternative sounds are driven are produced on same enamel-covered wire
The problem of ringing interference and influence tonequality, the design that multiply independence entrance and exit type has skeleton voice coil loudspeaker voice coil substantially increases the sound matter of loudspeaker
Amount, loudspeaker transient response is good, sensitivity is high, progressive obvious.
The speech coil framework is formed by reinforcement ply of paper and aluminium foil layer by glue bonding, and aluminium foil layer is located at the interior of reinforcement ply of paper
Layer;The reinforcement ply of paper is the paper tube being made up of brown paper.The speech coil framework also has on the premise of voice coil loudspeaker voice coil intensity is ensured,
Thickness of thin, small volume, the advantage of light weight, can significantly improve the sensitivity of each frequency range of loudspeaker, and practicality is stronger.
Brief description of the drawings
Fig. 1 is the decomposition texture schematic diagram that the pure electricity of the utility model graphene drives loudspeaker;
Fig. 2 is the front view that the pure electricity of the utility model graphene drives loudspeaker;
Fig. 3 is the top view that the pure electricity of the utility model graphene drives loudspeaker;
Fig. 4 is the dimensional structure diagram in the utility model voice coil loudspeaker voice coil portion;
Fig. 5 is the overlooking the structure diagram in the utility model voice coil loudspeaker voice coil portion.
Embodiment
For the ease of the understanding of those skilled in the art, the utility model is made further with reference to embodiment
Bright, the content that embodiment is referred to not is limited of the present utility model.
As shown in Figures 1 to 5, a kind of pure electricity of graphene drives loudspeaker, including first support 6, field generator for magnetic, voice coil loudspeaker voice coil portion
5 and vibrating diaphragm component, field generator for magnetic is connected with the bottom of first support 6, and the voice coil loudspeaker voice coil portion 5, vibrating diaphragm component are separately positioned on
In first support 6, the field generator for magnetic is electromagnetic drive part, and the electromagnetic drive part includes second support 9, the and of iron core 8
Magnetic induction loop 7, the iron core 8 is arranged in second support 9, and the magnetic induction loop 7 is enclosed on the iron core 8;The vibrating diaphragm group
Part is made up of grapheme material, and voice coil loudspeaker voice coil portion 5 includes speech coil framework 51 and the encapsulated coil 52 being fixed on speech coil framework 51, including
At least two enamel-covered wires 53, at least two enamel-covered wires 53 form multiply winding displacement 54 side by side, and the coiling of multiply winding displacement 54 forms described
At least two mutually insulateds of enamel-covered wire 53 in encapsulated coil 52, multiply winding displacement 54.
Electromagnetic drive part that the utility model is formed using second support 9, iron core 8 and magnetic induction loop 7 replaces permanent magnetic
Body, the iron core 8 at voice coil loudspeaker voice coil center is also known as on conducting magnetic column around upper magnetic induction loop 7, when adding power supply, iron core 8 to the two ends of magnetic induction loop 7
Magnetic field will be produced to replace permanent magnet, produce magnetic field polarity and magnetic field power can with being adjusted according to requiring, from
And greatly facilitate designer's demand, loudspeaker operating efficiency is lifted, while the stroke that loudspeaker move up and down is increased, lifting loudspeaker
Sensitivity, the sound sent is more perfect, overall weight saving 20-50%, is greatly convenient for carrying.
The quantity for being preferred embodiment enamel-covered wire 53 in the multiply winding displacement 54 is three, and three enamel-covered wires 53 are same
Step turns to circular coil, and three enamel-covered wires 53 are separate, each self-insulating, under the control action of ICE chips, and three
Root enamel-covered wire 53, which is collectively forming three and enters three, goes out electrical termination, and the vibratory drive control of high pitch, middle pitch and bass, three kinds of sound are corresponded to respectively
Voice frequency is driven by different enamel-covered wires 53, so as to effectively prevent frequency modulation and electric current that alternative sounds are driven in same paint
The problem of the disturbing and influence tonequality that influence each other produced on envelope curve 53, multiply independence entrance and exit type has the design of skeleton voice coil loudspeaker voice coil significantly
The sound quality of loudspeaker is improved, loudspeaker transient response is good, sensitivity is high, it is progressive obvious.
In the present embodiment, second support 9 is preferably T iron plastic rubber brackets, and the iron core 8 is preferably T iron, and T iron is also electrician
Iron, its quality is pure iron.It is the building block that voice unit (VU) is constituted.In voice unit (VU), the main function of T iron is just
It is the magnetic conduction in the case of energization, but it does not have remanent magnetism.
In the present embodiment, first support 6 is provided with groove, and the vibrating diaphragm component includes playing ripple portion 4, cone 3, connected with cone 3
The outstanding side 2 connect and dust cap 1, the bullet ripple portion 4 are arranged in the groove of the first support 6, and the cone 3 is by hanging side 2
In the groove for hanging over the first support 6, the dust cap 1 is arranged at the cone 3.
In addition, the speech coil framework 51 is formed by reinforcement ply of paper and aluminium foil layer by glue bonding, aluminium foil layer is located at reinforcement
The internal layer of ply of paper;The reinforcement ply of paper is the paper tube being made up of brown paper.The speech coil framework 51 is ensureing the premise of voice coil loudspeaker voice coil intensity
Under, also have, thickness of thin, small volume, the advantage of light weight can significantly improve the sensitivity of each frequency range of loudspeaker, practicality
It is stronger.
Certainly, according to the difference of use environment, people also have difference to the tonequality demand of loudspeaker, such as noisy out of doors
In the environment of the requirement of the loudspeaker that uses to tonequality it is slightly lower, the sound frequency in its loudspeaker in voice coil loudspeaker voice coil can only discriminate between for
Two kinds of frequency ranges of high pitch and bass, in the case, the quantitative design of voice coil loudspeaker voice coil is enamel-covered wire 53 in multiply winding displacement 54 in loudspeaker
Quantity, which is two, can meet demand, and relatively easy with structure, manufacturing cost is low, the high advantage of cost performance;For larger
The loudspeaker that earphone is used, it has relatively high requirement to loudspeaker tonequality, by the sound of loudspeaker from frequency is high to Low can
To be divided under high pitch, alto, middle pitch and the gear of bass four, such a environment, use the quantity of enamel-covered wire 53 in multiply winding displacement 54 for
The voice coil loudspeaker voice coil of four can greatly improve the acoustical quality of loudspeaker, and can reduce the sound letter of different frequency modulation and electric current to a greater degree
Number interference, technique effect is more prominent, and practicality is stronger.
According to the difference of the installation environment of loudspeaker and locational space, the shape of loudspeaker also has larger difference, is
The space availability ratio inside electronic product is improved, loudspeaker can be designed to the differences such as circular, ellipse or rectangle as needed
Shape, circular coil, ellipticity coil or square coil just coordinate loudspeaker of different shapes to use, simple in construction,
Applicability is wide.
Certainly, loudspeaker can also be designed to square, regular hexagon or octagon according to the hobby of different users,
Square coil, regular hexagon coil or octagon coil are applied to the loadspeaker structure of above-mentioned shape, loudspeaker supply kind
Class is more diversified, and applicability is wider.
In this implementation, the line footpath of at least two enamel-covered wires 53 is equal in the multiply winding displacement 54, facilitates automation equipment
Production and processing, the coiling processing of voice coil loudspeaker voice coil is more uniform attractive in appearance, and practicality is stronger.
, it is necessary to illustrate in description of the present utility model, for the noun of locality, if any term " " center ", " transverse direction
(X) ", " longitudinal direction (Y) ", " vertical (Z) " " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right",
The indicating position such as " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " clockwise ", " counterclockwise " and position relationship be based on
Orientation shown in the drawings or position relationship, are for only for ease of narration the utility model and simplify description, rather than indicate or dark
Specific orientation must be had, be constructed and operated with particular orientation by showing the device or element of meaning, it is impossible to be interpreted as limiting this reality
With new specific protection domain.
In addition, be only used for describing purpose if any term " first ", " second ", and it is not intended that indicating or implying relatively heavy
The property wanted or the implicit quantity for indicating technical characteristic.Thus, defining " first ", " second " feature can express or implicit include
One or more this feature, in the utility model description, " several " are meant that two or more, unless otherwise bright
It is really specific to limit.
In the utility model, except as otherwise clear stipulaties and restriction, if any term " assembling ", " connected ", " connection " term
It should go to understand as broad sense, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;It can also be machine
Tool is connected;Can be joined directly together or be connected by intermediary, can be that two element internals are connected.For
For those of ordinary skill in the art, it can understand that specific in the utility model of above-mentioned term containing as the case may be
Justice.
Embodiment described above only expresses some embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (9)
1. a kind of pure electricity of graphene drives loudspeaker, including first support (6), field generator for magnetic, voice coil loudspeaker voice coil portion (5) and vibrating diaphragm component,
Field generator for magnetic is connected with the bottom of first support (6), and the voice coil loudspeaker voice coil portion (5), vibrating diaphragm component are separately positioned on first support
(6) in, it is characterised in that:The field generator for magnetic be electromagnetic drive part, the electromagnetic drive part include second support (9),
Iron core (8) and magnetic induction loop (7), the iron core (8) are arranged in second support (9), and the magnetic induction loop (7) is enclosed on the iron
On core (8);
The vibrating diaphragm component is made up of grapheme material, and voice coil loudspeaker voice coil portion (5) include speech coil framework (51) and are fixed on speech coil framework
(51) encapsulated coil (52) on, in addition at least two enamel-covered wires (53), at least two enamel-covered wires (53) form many side by side
Stock winding displacement (54), at least two enamel-covers that multiply winding displacement (54) coiling is formed in the encapsulated coil (52), multiply winding displacement (54)
Line (53) mutually insulated.
2. the pure electricity of graphene according to claim 1 drives loudspeaker, it is characterised in that:Second support (9) is T iron plastic cement branch
Frame, the iron core (8) is T iron, and first support (6) is plastic rubber bracket.
3. the pure electricity of graphene according to claim 1 drives loudspeaker, it is characterised in that:First support (6) is provided with groove, described
Vibrating diaphragm component includes playing ripple portion (4), cone (3), the outstanding side (2) being connected with cone (3) and dust cap (1), described to play ripple portion (4)
In the groove for being arranged on first support (6), the cone (3) is hung in the groove of first support (6) by outstanding side (2), described
Dust cap (1) is arranged at the cone (3).
4. the pure electricity of graphene according to claim 1 drives loudspeaker, it is characterised in that:The speech coil framework (51) is by reinforcement paper
Layer and aluminium foil layer are formed by glue bonding, and aluminium foil layer is located at the internal layer of reinforcement ply of paper.
5. the pure electricity of graphene according to claim 4 drives loudspeaker, it is characterised in that:The reinforcement ply of paper is made of paper by ox-hide
Into paper tube.
6. the pure electricity of graphene according to claim 1 drives loudspeaker, it is characterised in that:Enamel-covered wire in the multiply winding displacement (54)
(53) quantity is two, three or four.
7. the pure electricity of graphene according to claim 1 drives loudspeaker, it is characterised in that:The encapsulated coil (52) is annular shape
Coil, ellipticity coil, square coil or racetrack-type rotor coil, the speech coil framework (51) are corresponding with the shape of encapsulated coil (52)
And the interior inwall for being lining in encapsulated coil (52).
8. the pure electricity of graphene according to claim 1 drives loudspeaker, it is characterised in that:The encapsulated coil (52) is square
Coil, regular hexagon coil or octagon coil.
9. the pure electricity of graphene according to claim 1 drives loudspeaker, it is characterised in that:At least two in the multiply winding displacement (54)
The line footpath of root enamel-covered wire (53) is equal.
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CN201621098398.8U CN206452540U (en) | 2016-09-29 | 2016-09-29 | A kind of pure electricity of graphene drives loudspeaker |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111246335A (en) * | 2020-02-10 | 2020-06-05 | 佛山市南海昶音电子有限公司 | Earphone with double-layer continuous voice coil wire |
CN112040379A (en) * | 2020-09-02 | 2020-12-04 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker, voice coil manufacturing method and coil heating device |
-
2016
- 2016-09-29 CN CN201621098398.8U patent/CN206452540U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111246335A (en) * | 2020-02-10 | 2020-06-05 | 佛山市南海昶音电子有限公司 | Earphone with double-layer continuous voice coil wire |
CN112040379A (en) * | 2020-09-02 | 2020-12-04 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker, voice coil manufacturing method and coil heating device |
CN112040379B (en) * | 2020-09-02 | 2021-10-29 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker, voice coil manufacturing method and coil heating device |
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