Double-voice coil counter-connection coupling moving-coil loudspeaker

A dynamic speaker and dual voice coil technology, applied in the field of speakers, can solve the problems that the inductance L and self-inductance voltage E cannot be solved, the impedance characteristics cannot be close to pure resistance, and the voice coil cannot move.

A dynamic speaker and dual voice coil technology, applied in the field of speakers, can solve the problems that the inductance L and self-inductance voltage E cannot be solved, the impedance characteristics cannot be close to pure resistance, and the voice coil cannot move.

CN1234258CInactive Publication Date: 2005-12-28้ป„้ฉ้›„
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  • Double-voice coil counter-connection coupling moving-coil loudspeaker
  • Double-voice coil counter-connection coupling moving-coil loudspeaker
  • Double-voice coil counter-connection coupling moving-coil loudspeaker

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Embodiment Construction

[0031] Several specific embodiments that can effectively implement the present invention are given in the accompanying drawings of the description. In practical applications, the shape of the double voice coil and the shape of the closed mutual inductance coupling magnetic conduction loop can be designed into various variations according to the basic principles of the present invention. Figure 4 in the accompanying drawings, Figure 5 , Figure 6, Figure 7, and Figure 8 are designed mainly for mid-bass speakers, Figure 9 , Figure 10, Figure 11 , Figure 12 , Figure 13 , Figure 14 Designed primarily for mid- and high-range speakers. The specific implementation manners of the present invention will be further described in conjunction with the accompanying drawings. In order not to affect the cleanliness of the drawings, the two external connection terminals of the speaker, the connection lines between the two voice coils and the connection lines between the two voice ...

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Abstract

The invention relates to a moving coil loudspeaker, which includes a voice coil, a magnetic steel, a sound cone, a basin frame, a positioning ring, a magnetic conductor, and a connecting terminal, and adopts two voice coils, which are characterized in that: the two voice coils adopt Independent, two skeletons are wound separately; two voice coils are connected in reverse; the two voice coils are in the same direction and the same strong magnetic field; there is a closed mutual inductance coupling magnetic conduction circuit passing through the two voice coils; the two voice coils are installed in parallel or coaxial installation. The invention solves the problems of complex impedance characteristics of the speaker due to inductance and induced voltage in the voice coil of the traditional dynamic speaker, which causes distortion and difficulty in matching the impedance of the amplifier. The dynamic and static impedance characteristics are close to pure resistance, and have high sensitivity and high fidelity. Can be used in hi-fi speaker manufacturing.

Description

technical field [0001] The present invention relates to a loudspeaker, more specifically, it relates to a novel moving coil loudspeaker. Background technique [0002] Dynamic speakers are the most widely used speakers today, especially in high-fidelity audio. Existing traditional moving coil loudspeakers have only one voice coil (coil) in structure, and are placed in a magnetic field formed by magnetic steel and magnetically permeable materials. When the voice coil is fed with the audio current output by the amplifier, the voice coil will be moved by the magnetic field where it is located, pushing the connected sound cone to drive the air to vibrate, thus producing sound. As a high-fidelity audio system, every link is very important, from front-stage signal amplification, post-stage power amplification to speaker playback. The ideal load for the post-stage power amplifier should be a purely resistive deviceโ€”that is, a device with a linear volt-ampere relationship. When th...

Claims

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Application Information

Patent Timeline
28 Dec 2005
Publication
CN1234258C
IPC
H04R9/06; H04S1/00
Inventors
้ป„้ฉ้›„