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JPS61123394

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DESCRIPTION JPS61123394
[0001]
FIELD OF THE INVENTION The present invention relates to the connection of voice coil wire and
flexible wire in the manufacture of a loudspeaker. Prior Art Conventionally, the method of
connecting the voice coil lead wire and the flexible wire of this type of speaker has a structure
shown in FIG. Here, it is a cross-sectional view of only the main part, but by caulking the eyelet
1o to the cone diaphragm 12, soldering the flexible wire 11 to it, and further soldering the voice
coil lead wire 9 thereon. is there. If the problem is that the invention is to solve the problem is
the former connection method, the voice coil lead wire 9 is overlapped and soldered, so the
connection is incomplete with so-called tunnel solder and the conduction becomes poor due to
vibration during operation of the speaker If the temperature of the soldering iron is too high, the
eyelet 1o falls off from the easy-to-get cone diaphragm during production, or if it is low, the
solder falls off during reverse operation, and the speaker production process It is one of the most
important management points to determine the reliability of the speaker in the most difficult and
difficult process. In order to solve this problem, in order to solve this problem, the present
invention squeezes an eyelet made of conductive brass or the like to a cone diaphragm and
solders it so that the flexible wire protrudes from the tip or the eyelet. A voice coil lead wire is
wound around and soldering is performed with a solder having a melting temperature equal to or
lower than the melting temperature of the solder of the eyelet and the flexible wire. In order to
wind action voice coil lead wire around a flexible wire, two wires are connected securely as
compared with the conventional method, and furthermore the same melting temperature as the
solder used for soldering the eyelet and the flexible wire or lower Because solder of melting point
is used, there is little possibility that the solder of the eyelet becomes loose during soldering with
the voice coil lead wire and the flexible wire, and the eyelet falls off. Embodiment A method of
manufacturing a speaker according to an embodiment of the present invention will be described
below. FIG. 2 is an embodiment of the speaker construction cross section according to the
01-05-2019
1
present invention, and FIG. 1 is a cross sectional view of the main part thereof. 1. Plate with
ball, 2. Ring magnet, 3, top plate, 4 ° frame, 5. p-mi, v.6. ボイスコイル、7 スハイダー、8.
ダストキャップ、12. Cone diaphragm, 19. ボイスコイルリードワイヤー、2 アイレット、
21.
Flexible wire, soldered to 23 ° 24 °. In FIG. 1, the eyelet 2o is caulked and fixed to the cone
diaphragm 12, and the solder 24 is applied to the flexible wire 21 such as a tinsel wire with its
tip protruding over the eyelet 20 by 2H or more. After the voice coil lead wire 19 is wound
around the wire protrusion, the solder 23 is performed with a solder having a melting point
equal to or less than that of the solder 24. As described above, according to the present
invention, since the voice coil lead wire is directly wound around the flexible wire, the connection
is secure, the occurrence of defects in the speaker manufacturing process is reduced, and the
variation in reliability is eliminated.
[0002]
Brief description of the drawings
[0003]
FIG. 1 is a cross-sectional view of a main part of a speaker according to an embodiment of the
present invention, FIG. 2 is a half cross-sectional view of the same, and FIG.
12 ········ Cone diaphragm, 19 ······· Voice coil lead wire, 2 o ······ Eyelet, 21 ··········· Flexible wire, 23 •
River ··· solder.
01-05-2019
2
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