a speaker
A loudspeaker and voice coil technology, applied in the field of loudspeakers, can solve the problems of large vibration space of large-amplitude products, poor BL curve symmetry, good vibration balance, etc., to improve mechanical reliability, improve pure sound effect, and good vibration balance. Effect
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Embodiment 1
[0047] Embodiment 1: as attached figure 1 , 2 As shown, a loudspeaker includes a fixing system and a vibration system. The fixing system includes a frame 7 with a receiving space and a magnetic circuit system that is accommodated in the frame 7 to drive the vibration system, and the magnetic circuit system includes a magnetic cover 12 and a The magnet, the magnet includes a center magnet 10 and side magnets 11 arranged on both sides of the center magnet 10 , and a magnetic gap is formed between the center magnet 10 and the side magnets 11 . The magnetic circuit system also includes an annular pole piece 8 and a central pole piece 9 , and the central pole piece 9 is bonded to the central magnetic steel 10 . The annular pole piece 8 is in the shape of a flat plate with through holes. The frame 7 is a hollow rectangle as a whole, and the annular pole piece 8 is fixed on the frame 7 and stacked on the side magnetic steel 11 .
[0048]The vibration system includes a diaphragm 1...
Embodiment 2
[0064] Embodiment 2: This embodiment is basically the same as Embodiment 1, and its difference is:
[0065] as attached Figure 9 , 10 As shown in and 11, the number of the voice coil bobbins 3 is two. In this embodiment, each of the voice coil bobbins 3 includes a pair of long-axis sides and two R angles located at the two ends of the long-axis sides. The voice coil bobbin 3 is symmetrically arranged on a pair of long axis sides of the voice coil 4 . The voice coil bobbin 3 includes a pair of short-axis sides and two R angles located at both ends of the short-axis sides, which are similar in structure to this embodiment, and will not be described here.
[0066] The angle C between the first extension part 350 and the voice coil connection part 310 is 70°, and the angle D between the first extension part 350 and the diaphragm connection part 320 is 70°. The first extension part 350 makes the diaphragm connection part 320 and the voice coil connection part 310 have a Z axial...
Embodiment 3
[0069] Embodiment 3: as attached figure 2 As shown, a loudspeaker includes a fixing system and a vibration system. The fixing system includes a pot frame 7 with a receiving space and the magnetic circuit system that is accommodated in the pot frame 7 to drive the vibration system, and the magnetic circuit system includes a magnetic cover 12 and a The magnets inside, the magnets include a center magnet 10 and side magnets 11 arranged on both sides of the center magnet 10, the magnetic gap formed between the center magnet 10 and the side magnets 11 . The magnetic circuit system also includes an annular pole piece 8 and a central pole piece 9 , and the central pole piece 9 is bonded to the central magnetic steel 10 . The annular pole piece 8 is in the shape of a flat plate with a through hole, and the frame 7 is a hollow rectangle as a whole. The annular pole piece 8 is fixed on the frame 7 and stacked on the side magnetic steel 11 .
[0070] The vibration system includes a ...
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