CN103987005B - Speaker unit - Google Patents
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- CN103987005B CN103987005B CN201410119072.8A CN201410119072A CN103987005B CN 103987005 B CN103987005 B CN 103987005B CN 201410119072 A CN201410119072 A CN 201410119072A CN 103987005 B CN103987005 B CN 103987005B
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- voice coil
- lead
- out wire
- speaker unit
- loudspeaker voice
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Abstract
The present invention provides a kind of speaker unit, the speaker unit has framework, oscillating plate, edge, voice coil loudspeaker voice coil, magnetic circuit and lead-out wire, the edge has concave cross sectional shape, and the magnetic circuit side is configured at compared with the top at the edge with a part for the lead-out wire between the edge positioned at the framework on the short-axis direction of magnetic circuit.
Description
Present patent application be entitled " speaker unit ", the applying date be July 31, international application in 2007
Number it is " PCT/JP2007/065007 ", the divisional application for the application for a patent for invention that national applications number is " 200780100097.1 ".
Technical field
The present invention relates to a kind of speaker unit.
Background technology
In in general speaker unit, the voice coil vibrations being fixed on oscillating plate configure the magnetic gap in magnetic circuit freely
It is interior.The lead-out wire drawn from voice coil loudspeaker voice coil（Lead）Fixed with the state turned on the portion of terminal being arranged on speaker frame.
For example, do not have lead in general speaker unit linearly to connect the knot between voice coil loudspeaker voice coil and portion of terminal
Structure, but with setting long portion more than bending section etc. on lead（excess length portion）Structure（Referring for example to special
Sharp document 1）.
In above-mentioned speaker unit, by setting bending section on lead, lead can follow the displacement of voice coil loudspeaker voice coil, and
The stress for being applied to lead can be reduced.
Patent document 1：Japanese Unexamined Patent Publication 2003-348690 publications
The content of the invention
But in more slim speaker unit or small-sized speaker unit, because in the setting of voice coil loudspeaker voice coil lead-out wire
Limitation spatially be present, so being contacted such as the remaining long portion that lead-out wire be present is with magnetic circuit, oscillating plate, edge part and allophone occurring
Situation.Moreover, there is a situation where because the contact produces stress in lead-out wire and the continual-connecting-part of portion of terminal and breaks.
Moreover, in more slim or small-sized speaker unit, the shape of the lead-out wire between voice coil loudspeaker voice coil and portion of terminal（Road
Footpath）Influence to voice coil loudspeaker voice coil weight balancing is bigger, is laid particular stress on if existing on weight balancing, in the presence of the unnecessary vibration of generation
The situation for causing tonequality to deteriorate.
A processing this problem of the present invention as problem.That is, even it is intended that more slim, small-sized raises
Sound device device, it can also reduce the allophone as caused by lead-out wire with the contact of miscellaneous part and occur, reduce the broken string of lead-out wire, reduce
Deterioration of tonequality etc..
In order to reach this purpose, the present invention at least possesses the structure that following independent claims are related to.
Speaker unit involved in the present invention is characterised by, the speaker unit have framework, oscillating plate, edge,
Voice coil loudspeaker voice coil, magnetic circuit and lead-out wire, the edge have concave cross sectional shape, and the framework is located on the short-axis direction of magnetic circuit
The magnetic circuit side is configured at compared with the top at the edge with a part for the lead-out wire between the edge.
Brief description of the drawings
Fig. 1 is the plan of the speaker unit 1 involved by the 1st embodiment of the present invention.
Fig. 2's（A）It is the profile from the visual direction Dl of the speaker unit 1 shown in Fig. 1,（B）It is from Fig. 1 institutes
The figure of the visual direction D2 observations of the speaker unit 1 shown.
Fig. 3 is the plan of the speaker unit 1A involved by the 2nd embodiment of the present invention.
Fig. 4 is the plan of the speaker unit lB involved by the 3rd embodiment of the present invention.
Fig. 5 is the profile from the visual direction Dl of the speaker unit lB shown in Fig. 4.
Fig. 6 is the plan of the speaker unit 1C involved by the 4th embodiment of the present invention.
Fig. 7 is the profile of the speaker unit 1C shown in Fig. 6.
Fig. 8 is the amplification profile near the lead-out wire 4 of the speaker unit 1C shown in Fig. 7.
Fig. 9 is the magnetic circuit 2C of the speaker unit 1C shown in Fig. 6 exploded perspective view.
Figure 10's（A）It is the side view of the extraction path of the speaker unit involved by the 1st concrete example of the present invention,（B）
It is the side view of the extraction path of the speaker unit involved by the 2nd concrete example of the present invention.
Figure 11's（A）It is for illustrating the voice coil loudspeaker voice coil 33D of the speaker unit involved by one embodiment of the present invention just
Face figure,（B）It is（A）Enlarged drawing near the winding starting position of the wire 401 of shown voice coil loudspeaker voice coil,（C）It is（A）Shown voice coil loudspeaker voice coil
Wire 401 winding end position near enlarged drawing,（D）It is（B）The variation of shown voice coil loudspeaker voice coil,（E）It is（C）Shown
The variation of voice coil loudspeaker voice coil.
Figure 12 is the plan of the speaker unit 1F involved by the 5th embodiment of the present invention.
Figure 13 is the plan of the speaker unit 1G involved by the 6th embodiment of the present invention.
Embodiment
Speaker unit involved in the present invention is characterised by possessing the magnetic for the magnetic gap for coordinating voice coil loudspeaker voice coil formed with gap
Road, the vibrating body being directly or indirectly fixed on above-mentioned voice coil loudspeaker voice coil, support the vibrating body and the internal frame for being provided with above-mentioned magnetic circuit
Frame and connect voice coil loudspeaker voice coil lead-out wire portion of terminal, the voice coil loudspeaker voice coil being matched with gap in magnetic gap and be located at framework portion of terminal it
Between be configured with the extraction path that passes through of lead-out wire drawn from voice coil loudspeaker voice coil.
In the speaker unit of said structure, voice coil loudspeaker voice coil and be arranged on framework that magnetic circuit is matched with gap in magnetic gap
There is the extraction path that the lead-out wire drawn from voice coil loudspeaker voice coil passes through, the lead-out wire of voice coil loudspeaker voice coil passes through from voice coil loudspeaker voice coil draws path between portion of terminal
And be connected electrically in the portion of terminal being arranged on framework, so being connect such as can prevent lead-out wire and magnetic circuit, oscillating plate, edge part
Touch, so as to reduce the generation of allophone.And, it is possible to provide the higher slim speaker unit of tonequality.In addition, it is possible to provide tonequality
Higher small speaker devices.
Moreover, because reducing contact of the lead-out wire with miscellaneous part, the lead-out wire as caused by contact can be reduced
Broken string.
Hereinafter, with reference to the accompanying drawings of the speaker unit involved by one embodiment of the present invention.
［ the 1st embodiment ］
Fig. 1 is the plan of the speaker unit 1 involved by the 1st embodiment of the present invention.Fig. 2's（A）It is from Fig. 1 institutes
The profile of the visual direction Dl observations of the speaker unit 1 shown, Fig. 2's（B）It is the mesh from the speaker unit 1 shown in Fig. 1
The figure of apparent direction D2 observations.The oscillating plate and edge of speaker unit 1 are eliminated in Fig. 1.
As shown in figure 1, the speaker unit 1 involved by present embodiment is more slim and small-sized speaker unit.And
And speaker unit of the speaker unit 1 such as portable phone or earphone involved by present embodiment.
As shown in figure 1, the speaker unit 1 involved by present embodiment has magnetic circuit 2, vibrating body 3, voice coil loudspeaker voice coil 33, extraction
Line 4, framework 5 and portion of terminal 6.Magnetic circuit 2 has the extraction path 7 that the lead-out wire 4 of voice coil loudspeaker voice coil 33 passes through.
Magnetic circuit 2 is equivalent to an embodiment of magnetic circuit involved in the present invention, and vibrating body 3 is equivalent to involved in the present invention
One embodiment of vibrating body, an embodiment of the framework 5 equivalent to framework involved in the present invention.Voice coil loudspeaker voice coil 33 is equivalent to this hair
One embodiment of bright involved voice coil loudspeaker voice coil, lead-out wire 4 is equivalent to an embodiment of lead-out wire involved in the present invention, terminal
An embodiment of the portion 6 equivalent to portion of terminal involved in the present invention.Path 7 is drawn equivalent to extraction involved in the present invention to lead to
One embodiment on road.
As magnetic circuit 2 such as can use internal magnetic type magnetic circuit, external magnetic circuit.Magnetic circuit involved by present embodiment is adopted
Use internal magnetic type magnetic circuit.Magnetic circuit 2 possesses the magnetic gap G that gap coordinates voice coil loudspeaker voice coil 33.
In detail, the magnetic circuit 2 involved by present embodiment has yoke 21, magnet 22 and flat board 23.
Yoke 21 has bottom surface sections 21A, bending section 21B and sidepiece 21C.Such as shown in Figure 1, 2, involved by present embodiment
And yoke 21 have generally circular writing board shape bottom surface sections 21A, from bottom surface sections 21A towards sound equipment radiate side（SD）It is curved
The bending section 21B of bent shape and the tubular extended from bending section 21B towards sound equipment radiation side sidepiece 21C.Moreover, such as
Shown in Fig. 2, the section shape of yoke 21 substantially forms U-shaped.Bottom surface sections 21A, the bending section 21B and sidepiece 21C examples of yoke 21
It is integrally formed as formed material as known in iron etc..
Moreover, yoke 21 has the notch 71 formed on the sidepiece 21C of yoke.The notch 71 is logical equivalent to drawing
One embodiment on road 7.The extraction path 7 is arranged on the voice coil loudspeaker voice coil 33 and be arranged on framework 5 that gap is matched with magnetic gap G
Between portion of terminal 6.
In addition, as shown in figure 1, notch 71 is formed near the extraction location of voice coil loudspeaker voice coil 33.Involved by present embodiment
Notch 71 is formed on the symmetrical position of center axis point generally relative to voice coil loudspeaker voice coil 33 at a prescribed interval.
Moreover, for example such as Fig. 2（A）, Fig. 2（B）Shown, yoke 21 involved by present embodiment is from the upper of yoke 21
Notch 71 of the end 21D towards substantially U-shaped of the bottom surface sections 21A formed with specific length.The lead-out wire 4 drawn from voice coil loudspeaker voice coil 33
It is connected through the notch 71 with the portion of terminal 6 being arranged on framework 5.For example, lead-out wire 4 passes through soldering connection, thermocompression bonding etc.
Mode and be connected in portion of terminal 6.
Lead-out wire 4 is configured with being spaced apart predetermined distance with above-mentioned notch 71.In detail, the shape of lead-out wire 4
Shape, draw path 7 notch 71 shape, relative to notch 71 forming position portion of terminal 6 forming position, relative
It is specified below in the position of the support 51 of the forming position of notch 71：Such as even in voice coil loudspeaker voice coil 33 along the vertical direction（Sound
Ring radiation direction）In the case of vibration, lead-out wire 4 also will not at least contact with yoke 21, framework 5, edge 32 and notch 71.
Magnet 22 is the permanent magnet of the prescribed material such as comprising neodymium class, scythe and cobalt kind, ferrite class, aluminium nickel cobalt class.Such as
Fig. 2's（A）Shown, magnet 22 is arranged on the bottom surface sections 21A of yoke 21.Magnet 22 involved by present embodiment forms cylinder
Shape.
Flat board 23 is formed such as the prescribed material by iron, such as Fig. 2（A）It is shown, it is arranged on magnet 22.Present embodiment
Involved flat board 23 for example forms the writing board shape of circle.
In the magnetic circuit 2 of said structure, circumferentially formed with magnetic gap G between yoke 21 and flat board 23.
Vibrating body 3 is fixed on voice coil loudspeaker voice coil 33 indirectly directly or by parts such as speech coil frameworks.
Such as shown in Figure 1 and Figure 2, the vibrating body 3 involved by present embodiment has oscillating plate 31 and edge 32.
The shape as defined in such as forming writing board shape, domed shape, cone shape of oscillating plate 31.Oscillating plate 31 passes through side
Edge 32 vibrates to be fixed on framework 5 freely.In detail, the peripheral part of oscillating plate 31 is fixed on edge 32 by bonding agent etc.
Inner peripheral portion on.
Oscillating plate 31 involved by present embodiment forms the writing board shape of circle, and the face of side, example are radiated relative to sound equipment
Such as the upper end of voice coil loudspeaker voice coil 33 is fixed on the face of opposite side by bonding agent.The formation material of oscillating plate 31 can for example be adopted
With：The resin such as the metal materials such as aluminium, titanium, beryllium, polyarylate, polyimides, PEN, plastics, paper, strengthen modeling
Expect the well known materials such as fiber, ceramic material.
The peripheral part at edge 32 is fixed on the upper end 5A of framework 5 by bonding agent etc., and inner peripheral portion is fixed on oscillating plate
31 periphery, oscillating plate 31 is supported freely to vibrate.The section shape at edge 32 can radiate side towards sound equipment and form protrusion
Shape, U-shaped, V-shaped, waveform shape, writing board shape isotactic setting shape.The section shape at the edge 32 involved by present embodiment
Shape forms U-shaped in sound equipment radiation side（Spill）.
Oscillating plate 31 and edge 32 can also be integrally formed by the identical material such as resin.
Such as shown in Figure 1 and Figure 2, the voice coil loudspeaker voice coil 33 involved by present embodiment forms ring-type.The voice coil loudspeaker voice coil 33 is to pass through winding
Wire and formed.Voice coil loudspeaker voice coil 33 forms shape corresponding with the magnetic gap G of magnetic circuit shape, forms cylinder in the present embodiment
Shape.
Such as Fig. 2（A）, Fig. 2（B）It is shown, from the lead-out wire 4 that voice coil loudspeaker voice coil 33 is drawn by drawing path 7 and being arranged on frame
Portion of terminal 6 on frame 5 connects.Moreover, the regulation between extraction path 7 and portion of terminal 6 of lead-out wire 4 has long portion more than curved shape
41.The remaining long portion 41 of the lead-out wire 4 is defined as roundabout shape in a part for the yoke 21 of magnetic circuit 2.
Such as shown in Figure 1 and Figure 2, the lead-out wire 4 involved by present embodiment is drawn from the bottom of voice coil loudspeaker voice coil 33, is led to
Cross and draw inner peripheral portion stretching of the path 7 towards framework 5, circumferentially bent near the inner peripheral portion of framework 5 towards portion of terminal 6, from
The inner peripheral surface of the bending section 42 along framework 5 is stretched out towards portion of terminal 6 with arc, is fixed with the state turned on portion of terminal 6.
More specifically, as shown in Figure 1 and Figure 2, lead-out wire 4 passes through from the extraction location of voice coil loudspeaker voice coil 33 and draws path 7 towards footpath
After stretching out laterally, about 90 degree~160 degree left sides of circumferential skewing of direction approximately along voice coil loudspeaker voice coil are stretched out relative to above-mentioned lead-out wire 4
The right side, portion of terminal 6 is extend out in a manner of long portion 41 more than specific length to be formed from the bending section 42 approximately along the circumferential of voice coil loudspeaker voice coil,
The portion of terminal 6 is formed along radially separating on the position of predetermined distance with voice coil loudspeaker voice coil 33.
Moreover, as shown in figure 1, drawing a pair of lead-out wires 4 from voice coil loudspeaker voice coil 33, a pair of lead-out wires 4 are defined as relative to sound
The shape of the central point substantially point symmetry of circle 33.
The shape of lead-out wire 4 between voice coil loudspeaker voice coil 33 and portion of terminal 6（Path）Influence to the weight balancing of voice coil loudspeaker voice coil 33 is compared
Greatly, but in the shape of the lead-out wire 4 of said structure, a pair of lead-out wires 4 be defined as relative to voice coil loudspeaker voice coil 33 central point substantially
The shape of point symmetry, so the supporting force of a pair of lead-out wires acts on voice coil loudspeaker voice coil 33, it can be ensured that the balance of voice coil loudspeaker voice coil 33, so as to reduce
The unnecessary vibration of voice coil loudspeaker voice coil 33.If moreover, only considering a pair of lead-out wires 4, a pair of lead-out wires 4 are configured in each other substantially point
On symmetrical position, so as to ensure the weight balancing of the weight balancing of voice coil loudspeaker voice coil or vibrating body as far as possible.
It is additionally, since and exists because the center of gravity of the voice coil loudspeaker voice coil 33 caused by the wire terminated winding to winding of voice coil loudspeaker voice coil 33 is inclined
Move, thus to should the centre-of gravity shift of voice coil loudspeaker voice coil 33 provide the shape of the lead-out wire 4 so that voice coil loudspeaker voice coil 33 keeps balance.
In addition, as shown in Figure 1 and Figure 2, lead-out wire 4 is defined as remaining long portion 41 between edge 32 and framework 5.
Moreover, the lead-out wire 4 drawn from voice coil loudspeaker voice coil 33 has multiple bending sections.Lead-out wire 4 possesses multiple bending sections, so drawing
The supporting force that outlet 4 supports voice coil loudspeaker voice coil 33 becomes bigger, can suppress to roll the generation of the abnormal vibrations such as phenomenon.Furthermore it is possible to
Ensure the balance of voice coil loudspeaker voice coil 33.
Moreover, lead-out wire 4 has defined rigidity（Elasticity）And formed with bending section, so can for example prevent horizontal stroke
Lead-out wire 4 is supported on voice coil loudspeaker voice coil 33 with shaking.
Framework 5 supports vibrating body 3, and inside is provided with magnetic circuit 2.As shown in Figure 1 and Figure 2, the frame involved by present embodiment
The section of frame 5 forms U-shaped, and magnetic circuit 2 is configured on plane bottom 5B.Moreover, framework 5 is formed from bottom 5B towards sound equipment
The sidepiece 5C that side is stretched out is radiated, the peripheral part at edge 32 is fixed on sidepiece 5C upper end 5A by bonding agent etc..Framework 5
Such as determine material by resin isotactic to be formed.
Framework 5 possesses support 51 between the extraction path 7 of magnetic circuit 2 and portion of terminal 6.Support 51 is with prominent shape
Formed on the assigned position of framework 5, to be contacted with lead-out wire 4（Abut）And support lead-out wire 4.Moreover, support 51 can
Reduction is transmitted to vibration and stress in portion of terminal 6 from voice coil loudspeaker voice coil 33 by lead-out wire 4.
Such as shown in figure 1, the support 51 involved by present embodiment with positioned at the long portion's outer circumferential side of lead-out wire more than 4
Mode is formed, and is abutted with lead-out wire 4 and is supported lead-out wire 4.
Portion of terminal 6 is formed on the assigned position of framework 5, and is electrically connected with the end for the lead-out wire 4 drawn from voice coil loudspeaker voice coil 33.
As portion of terminal 6, such as the higher metals of electric conductivity such as iron can be used.
As shown in Figure 1 and Figure 2, the portion of terminal 6 involved by present embodiment, which is formed at, configures the long portion 41 of lead-out wire more than 4
On the position drawn between path 7 and portion of terminal 6 of magnetic circuit 2.In detail, as shown in figure 1, a pair of end sub-portion 6 is formed
From the position for 2 notch 71 passed through for lead-out wire 4 being formed on yoke 21 approximately along circumferentially spaced predetermined distance
On position.Moreover, a pair of end sub-portion 6 is formed in a manner of relative to the central shaft of voice coil loudspeaker voice coil 33 substantially point symmetry.
Moreover, in detail, as shown in Figure 1 and Figure 2, the portion of terminal 6 involved by present embodiment has inside end sub-portion 61
And external terminal portions 62.Inside end sub-portion 61 and external terminal portions 62 are electrically connected.Inside end sub-portion 61 is formed into framework 5
The shape that all portions protrude.External terminal portions 62 can also form the shape prominent to the outer circumferential side of framework 5, such as to framework 5
Bottom is protrudedly formed.The portion of terminal of the external circuit such as can be connected electrically in audio signal processing circuit of external terminal portions 62
On.
Specifically, as shown in figure 1, the position of portion of terminal 6 and the position of support 51 is specified below so that：Lead-out wire 4
Be brought out from the bottom of voice coil loudspeaker voice coil 33 near the notch 71 for drawing path 7, through draw the notch 71 of path 7 generally towards
After being stretched out to radial outside, to circumference（From side being radiated from sound equipment to the left）Bending, to form long portion 41 more than specific length.
Then, it is described with reference to the action of the speaker unit 1 of said structure.
In speaker unit 1, if from the input audio signal of portion of terminal 6, audio signal is by being connected electrically in portion of terminal 6
Inside end sub-portion 61 on lead-out wire 4 input to voice coil loudspeaker voice coil 33.On voice coil loudspeaker voice coil 33, along above-below direction（Sound equipment radiation direction or
Its opposite direction）Produce with forming the flux density in the magnetic gap G of magnetic circuit 2（Magnetic field intensity）With the sound for inputing to voice coil loudspeaker voice coil 33
Electromagnetic force corresponding to the current level of frequency signal（Lorentz force）.Voice coil loudspeaker voice coil 33 is by the electromagnetic force（Lorentz force）As driving force
Vibrated along sound equipment radiation direction or its opposite direction.
If driving force is delivered to oscillating plate 31 by voice coil loudspeaker voice coil 33, vibrating body 3 to should driving force along sound equipment radiation side
To or its opposite direction vibration.As described above, the lead-out wire 4 of voice coil loudspeaker voice coil 33 passes through cutting for the extraction path 7 formed on yoke 21
Oral area 71, roundabout in the sidepiece 21C of yoke 21 part and be connected to longly in portion of terminal 6 with remaining, lead-out wire 4 is followed
The vibration of voice coil loudspeaker voice coil 33 and conjugate.
As described above, there is more slim and small-sized magnetic circuit 2, vibrating body 3, framework 5 etc. in speaker unit 1, even if
In the case where voice coil loudspeaker voice coil 33 conjugates along above-below direction, lead-out wire 4 is connected to end also through path 7 is drawn with remaining long portion
In sub-portion 6, therefore the contact of the miscellaneous part such as lead-out wire 4 is with yoke 21, edge 32 can be reduced.
In detail, if such as shown in Fig. 2 the lead-out wire 4 drawn from voice coil loudspeaker voice coil 33 is simply passed through into the upper of yoke 21
Between end and edge 32 and it is connected in portion of terminal 6, then the interval at the upper end of yoke 21 and edge 32 is narrow, therefore
The possibility that lead-out wire 4 contacts with edge 32 be present.
On the other hand, in speaker unit 1 involved in the present invention, it is provided with as described above on magnetic circuit 2 for drawing
The extraction path 7 that outlet 4 passes through, so in the case of narrow even in the upper end of yoke 21 and the interval at edge 32,
Also contact of the lead-out wire 4 with edge 32 can be reduced.
Moreover, in speaker unit 1, it is possible to reduce the generation of allophone as caused by this contact.I.e., it is possible to provide tonequality
Higher thin speaker device and the higher small speaker devices of tonequality.
Moreover, in speaker unit 1, it is possible to reduce draw caused by being contacted as lead-out wire 4 described above with miscellaneous part
The broken string of outlet 4.
In addition, as shown in figure 1, the notch 71 for drawing path 7 is formed in relative to voice coil loudspeaker voice coil 33 at a prescribed interval
On the position of mandrel substantially point symmetry, and a pair of lead-out wires 4 are defined as the central point substantially point symmetry relative to voice coil loudspeaker voice coil 33
Shape, therefore voice coil loudspeaker voice coil 33 can keep balancing, so as to reduce the unnecessary vibration of voice coil loudspeaker voice coil 33.I.e., it is possible to provide tonequality compared with
High speaker unit 1.
［ the 2nd embodiment ］
Fig. 3 is the plan of the speaker unit 1A involved by the 2nd embodiment of the present invention.In the 1st embodiment and
Identical structure etc. is omitted the description in 2nd embodiment.
As shown in figure 3, in the speaker unit 1A involved by present embodiment, compared with the 1st embodiment, it is arranged on
Support 51A between voice coil loudspeaker voice coil 33 and portion of terminal 6 is formed near the notch 71 for drawing path 7.Moreover, support 51A
Positioned at the inner circumferential side of the bending section 42 of lead-out wire 4.
According to the speaker unit 1A of said structure, because support 51A, which is formed, is drawing the attached of the notch 71 of path 7
Closely, and positioned at the inner circumferential side of the bending section 42 of lead-out wire 4, so can easily make the bending section of lead-out wire 4 form bending section 42.
In detail, such as the lead-out wire 4 of voice coil loudspeaker voice coil 33 is in the early stage by the shape linearly to draw under state.When by the gap of voice coil loudspeaker voice coil 33
When being coupled in the magnetic gap G of magnetic circuit 2, the lead-out wire drawn from voice coil loudspeaker voice coil 33 4 is being pressed against on support 51A and is being allowed to bend
And formed after bending section 42, then the end of lead-out wire 4 is connected in portion of terminal 6, it thus can be readily derived above-mentioned shape
Lead-out wire 4.
［ the 3rd embodiment ］
Fig. 4 is the plan of the speaker unit lB involved by the 3rd embodiment of the present invention.Fig. 5 is from shown in Fig. 4
The profile of speaker unit lB visual direction Dl observations.Eliminated in the 1st~the 3rd embodiment to identical structure etc.
Explanation.
As shown in Figure 4, Figure 5, the speaker unit 1B involved by present embodiment supports with the 1st support the 51 and the 2nd
Portion 52.Support 51 involved by 1st support 51 and the 1st embodiment is identical structural element.
2nd support 52 is formed in the position roughly the same with the support 51A involved by the 2nd embodiment, with supporting
Portion 51A function is roughly the same.Moreover, as shown in figure 5, the 2nd support 52 involved by present embodiment is formed as inverted L word
Type.
In the speaker unit lB of said structure, because there is provided the 2nd support 52 and support of above-mentioned inverted L font
51, so when carrying out speaker drive, even if lead-out wire 4 vibrates, pressure can also be suppressed and act on engagement with portion of terminal
The phenomenon that phenomenon and lead-out wire 4 in portion come off from portion of terminal.
［ the 4th embodiment ］
Fig. 6 is the plan of the speaker unit 1C involved by the 4th embodiment of the present invention.Fig. 7 is raising shown in Fig. 6
Sound device device 1C profile.Fig. 8 is the amplification profile near the lead-out wire 4 of the speaker unit 1C shown in Fig. 7.Fig. 9 is
The magnetic circuit 2C of speaker unit 1C shown in Fig. 6 exploded perspective view.In figure 6, omit speaker unit 1C oscillating plate and
Edge.Moreover, the explanation to identical structure etc. is eliminated in the 1st~the 4th embodiment.
As shown in fig. 6, the speaker unit 1C involved by present embodiment has magnetic circuit 2C, voice coil loudspeaker voice coil 33C and framework 5.
Such as shown in Fig. 6, Fig. 9, if from sound equipment radiation direction, the magnetic circuit 2C involved by present embodiment is substantially
Form rectangle.Magnetic circuit 2C has generally rectangular shaped bottom surface sections 21A, radiates lateral bend from bottom surface sections 21A end towards sound equipment
Shape bending section 21B and from bending section 21B towards sound equipment radiation side stretch out sidepiece 21C.
Magnetic circuit 2C involved by present embodiment is in generally rectangular shaped corner formed with extraction path 7.In detail, exist
4 corners of yoke 21 are formed with notch 71.As shown in fig. 6, in 4 corners of yoke 21, at least at 2 relative angles
Portion is formed with the extraction path 7 passed through for lead-out wire 4.
If as shown in fig. 6, from sound equipment radiation direction, voice coil loudspeaker voice coil 33C, which is formed, possesses line part 331 and curve part 332
It is substantially rectangular.Voice coil loudspeaker voice coil 33C gaps coordinate in the magnetic gap G of magnetic circuit 2.Such as it is applied to answering for lead division to reduce as far as possible
Power, preferably the lead-out wire 4 drawn from voice coil loudspeaker voice coil 33C is drawn from line part 331.
As shown in fig. 6, framework 5 is being formed without the adjacent corner of the extraction path 7 of magnetic circuit 2 formed with portion of terminal 6C.In detail
Carefully say, as shown in Figure 6 to 8, portion of terminal 6C has the inside end sub-portion 61 formed in framework and formed outside framework
External terminal portions 62, inside end sub-portion 61 and external terminal portions 62 are electrically connected to each other.
Moreover, as shown in fig. 6, framework 5 has supporting lead-out wire 4 between magnetic circuit 2C extraction path 7 and portion of terminal 6C
Support 51C.
Support 51C is formed to be formed with prominent shape and contacted on the assigned position of framework 5, and with lead-out wire 4（Support
Connect）And support lead-out wire 4.Support 51C involved by present embodiment is located at the inner circumferential side in the remaining long portion 41 of lead-out wire 4.
Lead-out wire 4 involved by present embodiment is drawn from the adjacent corner of generally rectangular shaped voice coil loudspeaker voice coil 33, through extraction
The notch 71 of path 7, bend and be fixed in portion of terminal 6 approximately along short-axis direction.
As shown in fig. 6, the bending section 42 involved by present embodiment has multiple bending section 42A, 42B.Lead-out wire 4 possesses
Multiple bending section 42A, 42B, therefore the supporting voice coil loudspeaker voice coil of lead-out wire 4 33C supporting force is bigger, can suppress to roll the exception such as phenomenon
The generation of vibration.Furthermore, it is possible to ensure the balance of voice coil loudspeaker voice coil 33.
Moreover, state in the early stage（When Audio Meter is 0）Under, such as shown in figure 8, voice coil loudspeaker voice coil 33C lead-out wire 4
Drawn near voice coil loudspeaker voice coil 33C bottom, through draw path 7, from extraction location obliquely stretch out after bending, with it is interior
Portion's portion of terminal 61 is fixed in the state of turning on, and the inside end sub-portion 61 is arranged on the horizontal level roughly the same with extraction location
On.That is, lead-out wire 4 is roundabout in a part for yoke 21 and be connected in portion of terminal 6 through the notch 71 for drawing path 7.
In the speaker unit 1C of said structure, because lead-out wire 4 forms above-mentioned shape, so being shaken even in voice coil loudspeaker voice coil 33
When dynamic, lead-out wire 4 can also be suppressed and contacted with miscellaneous parts such as edge 32, yokes 21.
As shown in figure 8, although speaker unit 1C is to be spaced narrow structure between edge 32 and yoke 21
Thin speaker device, but because the lead-out wire 4 of voice coil loudspeaker voice coil 33 passes through the extraction path 7 of magnetic circuit 2 and is connected to inside end sub-portion
On 61, it is possible to reduce tonequality deterioration caused by the contact as parts such as lead-out wire 4 and edge, yokes.
Moreover, in the present embodiment, by the top 34 than edge 32 closer to framework side configuration more than long portion
41, edge 32 and remaining long portion 41 can be suppressed and contacted.In addition, the remaining long portion can also be configured in the side of yoke 4.
［ concrete example for drawing path ］
Figure 10's（A）It is the side view of the extraction path of the speaker unit involved by the 1st concrete example of the present invention.Figure 10
's（B）It is the side view of the extraction path of the speaker unit involved by the 2nd concrete example of the present invention.
Such as such as Figure 10（A）Shown, the extraction path 7 formed in magnetic circuit 2C can also be from the upper end 21D of yoke 21
Notch 71 is formed particular up to bottom surface sections 21A.Moreover, for example such as Figure 10（B）It is shown, magnetic circuit 2C extraction path 7
Notch 71 can be formed with predetermined distance from the upper end 21D of yoke 21 towards bottom surface sections 21A.
Magnetic circuit 2C has following structures：In the case that voice coil loudspeaker voice coil 33 vibrates, lead-out wire 4 also will not be with drawing path 7
Notch 71 contact.
［ balance of voice coil loudspeaker voice coil ］
Figure 11's（A）It is for illustrating the voice coil loudspeaker voice coil 33D of the speaker unit involved by one embodiment of the present invention just
Face figure, Figure 11's（B）It is Figure 11（A）Enlarged drawing near the winding starting position of the wire 401 of shown voice coil loudspeaker voice coil, Figure 11's
（C）It is Figure 11（A）Enlarged drawing near the winding end position of the wire 401 of shown voice coil loudspeaker voice coil.
Moreover, Figure 11（D）And Figure 11（E）It is Figure 11 respectively（B）And Figure 11（C）The deformation of shown voice coil loudspeaker voice coil
Example.
Such as Figure 11（A）~（C）It is shown, the quilt of a pair of lead-out wires 4 of the voice coil loudspeaker voice coil 33D involved by one embodiment of the present invention
It is defined as the shape of the substantially point symmetry of central point 0 relative to voice coil loudspeaker voice coil 33D.
Be additionally, since because the voice coil loudspeaker voice coil 33D wires 401 terminated since winding to winding cause voice coil loudspeaker voice coil center of gravity CG relative to
Center O is located at different positions, so the shape of regulation lead-out wire 4, so that voice coil loudspeaker voice coil 33D keeps balance.If moreover, only
Consider a pair of lead-out wires 4, then a pair of lead-out wires 4 are configured mutually substantially on the position of point symmetry, may insure to try one's best
The weight balancing of voice coil loudspeaker voice coil or the weight balancing of vibrating body.
In detail, such as Figure 11（A）~（E）Shown, the winding of voice coil loudspeaker voice coil 33D wire 401 from rectangle adjacent corner is opened
Beginning, position 401S started to wind, and wound stipulated number（N times）After, in the winding end position 401E of its relative adjacent corner
Terminate winding in place.Now, in voice coil loudspeaker voice coil 33D, center of gravity CG from the center O of voice coil loudspeaker voice coil 33 offset by with from winding starting position
Measured corresponding to 401S to winding end position 401E wire 401.
Weight is because heart CG is from the center O skews of voice coil loudspeaker voice coil 33, so being advised in a manner of voice coil loudspeaker voice coil 33D can keep balance
The shape of the fixed lead-out wire 4.
Specifically, such as such as Figure 11（A）~（E）It is shown, voice coil loudspeaker voice coil 33D position of centre of gravity CG and lead-out wire 4 bending
The position in portion 42 is defined as being in opposite side each other across the diagonal DL through voice coil loudspeaker voice coil 33D central points O.
In the voice coil loudspeaker voice coil 33D of said structure, consider the line density of lead-out wire 4 and the side of balance can be kept with voice coil loudspeaker voice coil 33D
Formula provides the shape of the bending section 42 of a pair of lead-out wires 4.
, can by using the voice coil loudspeaker voice coil 33D of said structure in the speaker unit involved by one embodiment of the present invention
To keep balance, and the reduction of tonequality can be prevented.
［ the 5th embodiment ］
Figure 12 is the plan of the speaker unit 1F involved by the 5th embodiment of the present invention.In the 4th embodiment and
The explanation to identical structure etc. is eliminated in 5th embodiment.
As shown in figure 12, the situation in yoke short axle immediate vicinity is formed with the support 51 involved by the 4th embodiment
Compare, the speaker unit 1F supports 51E involved by present embodiment is formed near portion of terminal 6F.Moreover, this implementation
Lead-out wire 4F involved by mode forms curved shape corresponding with support 51E forming position.
In the speaker unit 1F of said structure, draw the length of lead-out wire 4F between path 7 and support 51E with
4th embodiment is compared to long, therefore braking is better.
Support 5E configurations are additionally, since near portion of terminal 6F, so can suppress that vibration, pressure occur on lead-out wire
Power etc. act on the junction surface of lead-out wire 4 and portion of terminal 6F, lead-out wire 4 from portion of terminal 6F come off phenomena such as.
［ the 6th embodiment ］
Figure 13 is the plan of the speaker unit 1G involved by the 6th embodiment of the present invention.Implement the 4th~the 6th
The explanation to identical structure etc. is eliminated in mode.
As shown in figure 13, the magnetic circuit 2G of the speaker unit 1G involved by present embodiment extraction path 7 is formed in yoke
Iron 21G short axle immediate vicinity.Moreover, portion of terminal 6G forms the adjacent corner in generally rectangular shaped magnetic circuit 2G, support 51G
Formed near portion of terminal 6G.
From the lead-out wire 4 that voice coil loudspeaker voice coil 33G is drawn through draw path 7G notch 71G towards after portion of terminal 6G bendings with
Support 51G is abutted, and is fixed with the state turned on portion of terminal 6G.
In the speaker unit 1G of said structure, the receipts in long portion more than lead-out wire can be reduced compared with the 4th, 5 embodiments
Receive space.
Moreover, lead-out wire 4 is along long e axle supporting voice coil loudspeaker voice coil 33G, therefore braking is bigger compared with the 4th, 5 embodiments.
The invention is not restricted to above-mentioned embodiment.Also the present invention can be implemented by various modes.Furthermore, it is also possible to combine
The respective embodiments described above and implement the present invention.
For example, the magnetic circuit as speaker unit involved in the present invention can also use external magnetic circuit.Such as this is outer
Magnetic-type magnetic circuit has yoke, the ringshaped magnet being entrenched in the center pole of the yoke and the formation that center pole is formed in central portion
Annular plate on above-mentioned ringshaped magnet, any one party at least in magnet and flat board is formed with the otch for drawing path
Portion.
In the speaker unit using the external magnetic circuit of said structure, the voice coil loudspeaker voice coil in magnetic circuit is coordinated to draw from gap
Lead-out wire be connected through the notch for drawing path, and with forming portion of terminal on framework, therefore can reduce lead-out wire and
The phenomenon of miscellaneous part contact.
Moreover, in the above-described embodiment, the extraction path 7 of magnetic circuit 2 employs the notch to be formed on yoke（Opening
Portion）, but not limited to this mode.Such as the extraction path of magnetic circuit can also be formed in the insertion of the yoke sidepiece of internal magnetic type magnetic circuit
Hole.Magnetic gap is formed in internal magnetic type magnetic circuit, the lead-out wire that the voice coil loudspeaker voice coil being matched with from gap in magnetic gap is drawn is passed through
Through hole on yoke, and be connected with forming the portion of terminal on framework., can be magnetic in the speaker unit of said structure
The magnetic field intensity of the additional approximate equality of gap.
Moreover, the voice coil loudspeaker voice coil of the speaker unit involved by the 4th embodiment substantially forms rectangle, but not limited to this mode.
For example, it is also possible to the trade shape that voice coil loudspeaker voice coil is defined as at least possessing line part, substantially rectangular, elliptical shape, circle etc. are with raising
Shape corresponding to sound device shape.
In addition, in the above-described embodiment, lead-out wire 4 abuts with support 51, but not limited to this, lead-out wire 4 also may be used
Not abutted with support 51.Moreover, support 51 is configured on framework 5, but not limited to this, support can not also be configured
51。
As described above, speaker unit 1 involved in the present invention has the magnetic gap formed with gap cooperation voice coil loudspeaker voice coil 33
Magnetic circuit 2, the vibrating body 3 being directly or indirectly fixed on voice coil loudspeaker voice coil 33, support the vibrating body 3 and the internal frame for being provided with magnetic circuit 2
Frame 5, connect voice coil loudspeaker voice coil 33 lead-out wire 4 portion of terminal 6, the voice coil loudspeaker voice coil 33 being matched with gap in magnetic gap G and be arranged on framework 5
The extraction path 7 passed through for the lead-out wire 4 drawn from voice coil loudspeaker voice coil 33 is configured between portion of terminal 6, therefore, even more slim, small
The speaker unit of type, it can also reduce the generation of the allophone as caused by lead-out wire 4 and miscellaneous part contact.Moreover, sound can be reduced
The broken string of the lead-out wire of circle.
Claims (2)
- A kind of 1. speaker unit, it is characterised in thatVibrating body, voice coil loudspeaker voice coil, magnetic circuit and lead-out wire of the speaker unit with framework, with oscillating plate and edge, it is described to shake Dynamic plate is fixed freely on said frame by the edge vibration,The edge has concave cross sectional shape,The lead-out wire reaches portion of terminal as follows：It is logical through drawing from the extraction location of the rectangular voice coil loudspeaker voice coil Road, bent after obliquely being stretched out from the extraction location and form bending section, regulation is formed along the short-axis direction of magnetic circuit The remaining long portion of length, wherein, the sidepiece for drawing path located at the yoke of the magnetic circuit,Between the framework and the edge, the remaining long portion and bending section are configured at described compared with the top at the edge Framework side.
- 2. speaker unit according to claim 1 a, it is characterised in that part for the lead-out wire is along the magnetic circuit Yoke sidepiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410119072.8A CN103987005B (en) | 2007-07-31 | 2007-07-31 | Speaker unit |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200780100097.1A CN101766035B (en) | 2007-07-31 | 2007-07-31 | Speaker apparatus |
| CN201410119072.8A CN103987005B (en) | 2007-07-31 | 2007-07-31 | Speaker unit |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200780100097.1A Division CN101766035B (en) | 2007-07-31 | 2007-07-31 | Speaker apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103987005A CN103987005A (en) | 2014-08-13 |
| CN103987005B true CN103987005B (en) | 2018-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410119072.8A Active CN103987005B (en) | 2007-07-31 | 2007-07-31 | Speaker unit |
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| Country | Link |
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| CN (1) | CN103987005B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105979445B (en) * | 2016-06-29 | 2021-05-07 | 歌尔股份有限公司 | Loudspeaker |
| JP6925886B2 (en) * | 2017-06-28 | 2021-08-25 | フォルシアクラリオン・エレクトロニクス株式会社 | Speaker |
| CN110662144B (en) * | 2019-09-29 | 2021-03-30 | 歌尔股份有限公司 | Centering support piece and sound generating device |
| CN110662143B (en) * | 2019-09-29 | 2021-03-30 | 歌尔股份有限公司 | Sound production device |
| CN110572757B (en) * | 2019-09-29 | 2022-02-08 | 歌尔股份有限公司 | Sound production device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1359604A (en) * | 2000-01-27 | 2002-07-17 | 皇家菲利浦电子有限公司 | Electroacoustic transducer having a moving coil and having elastic holding elements for the connecting leads of the moving coil |
| CN1579110A (en) * | 2002-09-04 | 2005-02-09 | 松下电器产业株式会社 | Yoke of speaker |
-
2007
- 2007-07-31 CN CN201410119072.8A patent/CN103987005B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1359604A (en) * | 2000-01-27 | 2002-07-17 | 皇家菲利浦电子有限公司 | Electroacoustic transducer having a moving coil and having elastic holding elements for the connecting leads of the moving coil |
| CN1579110A (en) * | 2002-09-04 | 2005-02-09 | 松下电器产业株式会社 | Yoke of speaker |
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| CN103987005A (en) | 2014-08-13 |
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