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JPS57151084

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DESCRIPTION JPS57151084
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 and FIG. 2 show a prior art example, FIG. 3
shows an embodiment of the present invention, FIG. 4 shows another embodiment of the present
invention and FIG. FIG. 6 is a view showing a comparison between the conventional example and
the present invention. 1 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · r · bobbin · · · · · · · · · · · · · · · · · · · · · · 7
· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · baffle plate, 13 · · · · ·
recess.
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a heat dissipating
apparatus K for a speaker, which prevents the heat generation of the speaker from rising to a
certain temperature or higher. Conventionally, as shown in FIG. 1 and FIG. 2, the radiation fin 10
is fixed to a portion of one area 8. In the above-mentioned conventional example, the heat
radiation area is small, and the moxibustion post ripening effect is not large. In addition, the
separate fin 10 had to be fixed to the yoke 8 of the speaker, which was inconvenient. · · · · · · · · · · ·
· · "95: i / 24)" This invention was made to solve such a defect K, the speaker unit directly into the
recess of the baffle plate made of a large material of the heat conduction car Abstract: A speaker
heat dissipation device that prevents the heat generation of a speaker from rising above a certain
temperature by being attached. One embodiment of the present invention is shown in FIG. In the
figure, 1 is a diaphragm, 2 Fi frame, 3 is a damper, 4 is a coil bobbin around which a coil 6 is
wound, 5 is a plate, 7 is a magnet, 8 is a yoke, 9 is a center ball. The buckle plate 11 is formed
with a recess 13 so that the speaker unit can be loaded, and the bottom surface of the yoke 8 is
in contact with the bottom surface 14 of the recess 13. At this time, the speaker may be fixed to
the buckle plate 11 by the screw 12 or by fixing the yoke 8 to the bottom surface 14 of the
buckle plate 110 using an adhesive of a heat transfer car and by K. . Furthermore, the 1 double
plate 11 has a large thermal conductivity, (2)! And, the recess 14 can be formed by pressing or
die casting. For example, it is possible to mix metal (iron, aluminum, etc.), resin concrete with fine
particles in resin concrete, and round one. Next, another embodiment of the present invention is
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shown in FIG. 4 and FIG. In FIG. 4, the bottom 14Kiii opening 15 of the baffle plate 11 is formed,
the coil bobbin 4 is inserted through the opening 15, the damper 3 is fixed to the bottom 14, and
the diaphragm l is fixed to the surface of the baffle plate 110. fK) I'm omitting Frame 2. The Ofixing to the baffle plate 11 of the speaker unit is performed by attaching the plate 5 and the
bottom surface 14 of the baffle plate 11 together K. This fixing means may be an adhesive or a
screw having a large thermal conductivity. The f &, JIIs diagram shows the center ball 9
integrally formed with the baffle plate 11. The damper 3 is fixed on the plate 5 and the magnet
7! ! The part (130) is fixed to the bottom surface 14 of the part 130 by means of a knot;
Sticking Bikanit. In the case of a low-pitched speaker, when the present invention is used, it is
necessary to provide the opening 16 in order to release the back pressure generated from the
moving plate, but in the case of a high-pitched speaker There is no need to provide the opening
16 in%. According to the present invention, since the plate of the magnetic circuit which is very
close to the voice coil which is the heat generating portion of the speaker is directly attached to
the baffle plate having a large thermal conductivity, the heat radiation area is It can be formed
large, and as shown in FIG. 6, the heat radiation effect is large as compared with the conventional
example, and it is possible to prevent the temperature from rising to a certain temperature or
more. In addition, loading the speaker unit in the recess eliminates the need for providing a
component such as a shuffle.
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