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DESCRIPTION JP2013126246

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DESCRIPTION JP2013126246
Abstract: To provide a speaker. A base having a recessed groove, a tube housed in the recessed
groove, a magnet located in the tube, and a first ring fitted to the outside of the tube from the
bottom to the top And an intermediate portion, and a second ring connected to the periphery of
the first ring so as to be ringed on the groove wall surface of the groove, the second ring being
an inner ring piece, an outer ring By having the ring piece and the connecting step connected
between the inner ring piece and the outer ring piece, the low frequency generation effect can be
greatly improved. [Selected figure] Figure 2A.
スピーカ
[0001]
The present invention relates to a speaker, and more particularly to a speaker that improves
sound quality.
[0002]
With the development of commerce and industry, people's living standards are increasingly
improving, and demands for quality of leisure life are becoming more sophisticated.
For example, the auditory effects of speech and the visual change of light are both indispensable
elements in improving the quality of life, and in particular speech (music) has become an
important part of general leisure. Good and appropriate music is effective in relaxing the mind
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and releasing tension. Thus, acoustic products in the market are quite diverse. In the abovementioned sound products, the speaker plays a decisive role in the quality of the sound output
from the entire sound, since it plays a role in converting the current signal from the amplifier
into the sound. In this speaker, a flat panel speaker is a type often seen.
[0003]
As shown in FIG. 6, in the conventional flat panel speaker 1, a tube 12 having a through hole 120
is provided in the recessed groove 102 of the base 10, and the magnet 11 is inserted into the
bottom of the recessed groove 102 in the through hole 120. The coil 121 is wound around the
tube 12 so that the tube 12 becomes an acoustic tube, and the support member 13 extending in
a wavelike manner to the outside is used to support the tube 12 with the base 10 and the tube. It
is connected to the outer side wall of the body 12, the middle part 14 is fitted to the top end of
the tube 12, and the top face of the middle part 14 is configured to be bonded to the diaphragm
15 as a pressing surface 14a. There is. The principle of operation of the flat panel speaker 1 is
that the output signal of the amplifier is mainly input to the coil 121, which causes interaction
between the magnetic field and the magnet 11, and the tube 12 and the magnet 11 relatively
reciprocate. By doing this, the pressing surface 14a of the intermediate portion 14 pushes up the
diaphragm 15 to vibrate the air so that sound is produced.
[0004]
However, with the present speakers, any of the flat panel speakers 1 described above or other
types of speakers can only output the required sound quality for medium and high frequencies,
and the output for low frequencies is low. There is a problem that the sound effect is not good
because it is extremely weak.
[0005]
Furthermore, at present, there is an improvement to the external structure of the sound
expansion apparatus such as an acoustic chamber structure for low frequencies, but the low
frequency effect by the improvement of the external structure is still insufficient, and the
manufacturing cost of the improvement is Expensive, not economical.
[0006]
Accordingly, there is a need in the industry to quickly overcome the problems of the prior art.
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[0007]
Then, in view of the circumstances as described above, according to the present invention, a base
having a concave groove, a pipe housed in the concave groove, a magnet housed in the pipe, and
an outer side of the pipe in this order It is characterized by comprising: a first ring fitted and an
intermediate portion; and a second ring connected to the periphery of the first ring so as to be
set in a ring on the wall surface of the recessed groove. Provide a speaker.
[0008]
In the above-mentioned speaker, the second ring body may be a plane piece, and may have an
inner ring piece, an outer ring piece, and a connecting step connected between the inner ring
piece and the outer ring piece .
[0009]
Further, in the above-described speaker, the second ring may be fitted to a groove end wall
surface of the recessed groove, and may be located between the intermediate portion and the
first ring.
[0010]
In addition, in the above-mentioned second ring, the shape of the connection step may be a
bending linear shape.
[0011]
As described above, in the speaker according to the present invention, the low frequency
generation effect and the power handling ability can be greatly improved by the configuration of
the second ring, and noise of the generated sound can be reduced.
[0012]
Fig. 2 shows a three-dimensional exploded view of the loudspeaker according to the present
invention.
Fig. 3 shows a top view of a second ring of a loudspeaker according to the invention;
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The cross-sectional schematic diagram in the state with which the speaker which concerns on
this invention was couple | bonded with a plate body and a frame is shown.
Fig. 3 shows another embodiment of Fig. 2A.
Fig. 3 shows another embodiment of Fig. 2A.
The cross-sectional schematic diagram of the different aspect of the intermediate part of the
speaker based on this invention, and a plate is shown.
The cross-sectional schematic diagram of the different aspect of the intermediate part of the
speaker based on this invention, and a plate is shown.
The cross-sectional schematic diagram of the different aspect of the intermediate part of the
speaker based on this invention, and a plate is shown.
The three-dimensional schematic diagram of the conventional flat panel speaker is shown.
[0013]
Hereinafter, embodiments of the present invention will be described using specific examples.
Those skilled in the art can easily understand the other advantages and effects of the present
invention by the contents described herein.
[0014]
Further, the structures, proportions, dimensions, etc. shown in the drawings attached to the
specification are merely shown according to the description of the specification so that those
skilled in the art can understand, and the embodiment of the present invention will be described.
Since it does not limit, it does not have the technical meaning substantially. Any structural
modification, proportional change or dimensional adjustment does not affect the effects and
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purposes of the present invention and falls within the scope of the technical contents disclosed in
the present invention. In addition, for example, terms such as "upper", "lower", "one", "top",
"bottom", "horizontal", "longitudinal", "in", "out" described in the specification are explained For
the sake of clarity, it is not intended to limit the practicable scope of the present invention, and
the change or adjustment of the relative relationship thereof is within the scope of the
practicable scope of the present invention without substantial change of the technical contents. It
is considered to be within.
[0015]
With reference to FIGS. 1A and 1B, 2A to 2C, a speaker 2 according to the present invention is
located in a base 20 having a recessed groove 202, a tube 22 housed in the recessed groove 202,
and a tube 22. The magnet 21a and the metal piece 21b, the support member 23 and the first
annular body 25 which are respectively fitted to the outside of the tubular body 22 and
accommodated in the recessed groove 202, the intermediate portion 24 provided on the tubular
body 22, And a second ring 26 provided in the groove 202.
[0016]
The base 20 has a housing 200 and a metal block 201 embedded in the bottom of the housing
200, and the metal block 201 is used as the bottom of the recessed groove 202.
However, the structure of the base 20 is not particularly limited because it is of various types and
can be configured as needed.
[0017]
The tube 22 has a first end 22a (referred to as a lower end in this embodiment) corresponding to
the bottom of the recessed groove 202 and a second end 22b (in this embodiment, an opposite to
the first end 22a). And a through hole 220 communicated with the first end 22a and the second
end 22b, on the outside of the lower half of the tube 22 (close to the first end 22a) A plurality of
coils 221 are provided circumferentially. In this embodiment, a gap is formed between the first
end 22 a of the tube 22 and the bottom of the groove 202, and the second end 22 b of the tube
22 projects into the groove of the groove 202.
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[0018]
The magnet 21 a is disposed at the bottom of the recessed groove 202 and located in the
through hole 220.
[0019]
The metal piece 21 b is located in the through hole 220, disposed in the magnet 21 a, and
corresponds to the coil 221.
[0020]
The support member 23 is an annular piece, which is fitted above the coil 221 on the outside of
the tubular body 22 and does not press the surface of the coil 221, and the outer edge thereof
supports the tubular groove 22 so as to support the tubular body 22. The housing 200 is
connected to the wall surface of the housing 200.
The cross section of the support member 23 may be, for example, waves, but is not limited
thereto.
[0021]
The first ring body 25 has an opposing first end 25a (referred to as the lower end in this
embodiment) and a second end 25b (referred to as the upper end in this embodiment) And the
first end 25a abuts on the support member 23 and spreads outward from the first end 25a to the
second end 25b, so that the annulus of the first ring 25 is lowered. The cross section of the
second end 25 b may be curved, for example, but is not limited thereto.
[0022]
The intermediate portion 24 may be fitted, for example, to the second end 22 b of the tube 22 so
that the first ring 25 is located between the support member 23 and the intermediate portion 24,
but is not limited thereto It is not a thing.
Also, the shape of the intermediate portion 24 may be configured according to the type of
speaker.
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In this embodiment, the top surface of the intermediate portion 24 is used as the pressing
surface 24a and is flat as shown in FIG. 2A.
[0023]
As shown in FIG. 2A, the second ring 26 is formed at the second end 25 b of the first ring 25 so
as to be fitted to the groove end wall surface 202 a of the groove 202 corresponding to the
groove 202. It is connected, is annularly provided on the outside of the tubular body 22, and is
located between the intermediate portion 24 and the first ring 25.
[0024]
In this embodiment, as shown in FIG. 1B, the second ring 26 is in the form of a flat piece, and
between the inner ring piece 260, the outer ring piece 261, the inner ring piece 260 and the
outer ring piece 261. And a gap is formed between the connection stages 262, and the shape of
the connection stages 262 is not limited in any way, and is, for example, a fold line, The ring
piece 260, the outer ring piece 261 and the connecting step 262 may be integrally formed as
required.
[0025]
Furthermore, as shown in FIG. 2A, a gap d is provided between the inner ring piece 260 and the
tubular body 22 in the horizontal plane so that the second annular body 26 does not contact the
tubular body 22.
[0026]
The material of the second ring body 26 may be metal, plastic, or a composite material, but is not
particularly limited.
[0027]
The configuration shape of the second ring 26 may be various flat pieces, but is not particularly
limited.
[0028]
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In use, the speaker 2 is provided on the plate 3 as a diaphragm via the intermediate portion 24,
and the frame 9 is coupled to the periphery of the plate 3.
The cross section of the frame 9 is not limited at all, and may be, for example, approximated to
Ω, and may be selected from any one of a group consisting of a semicircular arc and a straight
line.
[0029]
Next, an output signal whose current is amplified from the signal source through the amplifier
flows to the coil 221 of the speaker 2, and after the coil 221 is energized according to the righthanded screw law of amperes, a magnetic field is generated around it. Between the fixed
magnetic field 21a and the fixed magnetic field, an interaction of repulsive force occurs between
the same poles and an attractive force between different poles, so the tube body 22 and the
magnet 21a reciprocate relatively to each other to perform the first operation. Since the ring
body 25 and the intermediate portion 24 are moved and the plate 3 is pressed by the pressing
surface 24 a of the intermediate portion 24, the air vibrates and a medium frequency or a high
frequency is emitted.
[0030]
In the present invention, the second end 25b of the first ring 25 is pressed when the tubular
body 22 and the magnet 21a relatively reciprocate due to the shape and configuration of the
second ring 26. The ring body 26 of 2 interlocks and the second ring body 26 vibrates to vibrate
the air, whereby the plate body 3 outputs the required sound quality to the low frequency,
thereby the low frequency generation effect and Power handling is greatly improved.
[0031]
Furthermore, since the speaker 2 according to the present invention can generate the required
low frequency effect only by being provided in various audio expansion devices, the
manufacturing cost of the audio expansion device can be reduced without improving the audio
expansion device. It is economical and economical.
[0032]
In addition, since the moment of inertia of the first ring 25 is small, the voicing sensitivity of the
conventional flat panel speaker can be effectively improved, and the voicing due to the difference
in the position connected to the plate 3 It is possible to avoid the occurrence of the phenomenon
that the quality is different.
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[0033]
Further, since the first ring body 25 and the second ring body 26 are combined with the support
member 23 to support the tube body 22, it is possible to prevent the tube 22 from being
distorted during movement. .
Further, as shown in FIG. 2B, the speaker 2 ′ according to the present invention is provided
with the support member 23 so that the first ring 25 and the second ring 26 support the tube
22. It may be made to avoid that a distortion phenomenon arises in tube 22 at the time of
movement.
Thus, when vibrating, the tube 22 and the coil 221 can maintain the linear motion of the up and
down vertical movement, reducing the noise of the sound produced.
[0034]
Referring to FIGS. 2B and 2C, the frame 9 'is in the shape of a recessed groove, and is provided
on the lower side of the periphery of the plate 3 via the bonding material 8 which is, for example,
a double-sided tape as shown in FIG. 2B. Alternatively, as shown in FIG. 2C, the frame 9 ′ ′
may be flat, and may be provided on the upper side of the periphery of the plate 3 via a bonding
material 8 which is, for example, a double-sided tape.
[0035]
FIGS. 3, 4 and 5 show different aspects of the middle part and the plate in which the
loudspeakers of different aspects are formed and applied to various sound expansion devices.
[0036]
As shown in FIG. 3, as another aspect of the speaker, the outer shape of the pressing surface 44 a
of the intermediate portion 44 is upwardly convex, and the shape of the plate 3 a also
corresponds to the pressing surface 44 a.
[0037]
As shown in FIG. 4, as another aspect of the speaker, the outer shape of the pressing surface 54a
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of the intermediate portion 54 is a downward convex shape, and the shape of the plate 3b also
corresponds to the pressing surface 54a.
[0038]
As shown in FIG. 5, as another aspect of the speaker, the cross section of the pressing surface
64a of the intermediate portion 64 is trapezoidal, and the shape of the plate 3c also corresponds
to the pressing surface 64a.
[0039]
As described above, according to the speaker of the present invention, the tubular body presses
the first ring by the addition of the first and second rings and the configuration of the second
ring and the second ring When the body is interlocked, vibration occurs in the second ring, and
the required sound quality can be output for low frequencies, and the low frequency effect and
the power handling are significantly improved. The speaker can not only output the required
sound quality to the medium frequency and the high frequency, but can also output the required
sound quality to the low frequency, and the sound quality can be improved.
[0040]
Furthermore, the loudspeaker according to the present invention can be applied to various audio
expansion devices, and the external structure of the audio expansion device does not have to be
improved due to the low frequency effect, thereby saving the manufacturing cost of the audio
expansion device. Is economical.
[0041]
The embodiments described above merely illustrate the principles, effects, and functions of the
present invention, and the present invention is not limited thereto.
The substantial technical contents according to the present invention are defined in the claims.
The present invention can be variously modified or changed by those skilled in the art without
departing from the scope of the present invention, and such modifications or changes fall within
the scope of the claims of the present invention. It is.
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[0042]
Reference Signs List 1 flat panel speaker 10, 20 base 102, 202 concave groove 11, 21a magnet
12, 22 tube 120, 220 through hole 121, 221 coil 13, 23 support member 14, 24, 44, 54, 64
middle portion 14a, 24a , 44a, 54a, 64a pressing surface 15 diaphragm 2, 2 'speaker 200
housing 201 metal block 202a grooved wall surface 21b metal piece 22a first end 22b second
end 25 first ring 25a first end 25b Second end 26 Second ring 260 Inner ring piece 261 Outer
ring piece 262 Coupling step 3, 3a, 3b, 3c Plate 8 Coupled body 9, 9 ', 9' 'Frame d Pitch
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