CN212910035U - Pin type connection loudspeaker with double-membrane double-voice-coil inner welding structure - Google Patents
Pin type connection loudspeaker with double-membrane double-voice-coil inner welding structure Download PDFInfo
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- CN212910035U CN212910035U CN202021779053.5U CN202021779053U CN212910035U CN 212910035 U CN212910035 U CN 212910035U CN 202021779053 U CN202021779053 U CN 202021779053U CN 212910035 U CN212910035 U CN 212910035U
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- voice coil
- blind hole
- coil loudspeaker
- ring channel
- diaphragm
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Abstract
The utility model discloses a two voice coil loudspeaker voice coil inner welding structure contact pin formula connection speakers of two membranes. This loudspeaker are connected to two voice coil loudspeaker voice coil inner welding structure contact pins formula of bimembrane includes the support, support one end sets up the blind hole, the other end sets up the ring channel, the ring channel is around in the blind hole outside, the ring channel outside sets up two conductor contact pins, two conductor contact pins run through in the support, first terminal plate with the blind hole open end homonymy is connected to conductor contact pin one end, the second terminal plate is connected to the conductor contact pin other end, set up magnetic circuit in the blind hole, hang and establish first voice coil loudspeaker voice coil between magnetic circuit and the blind hole lateral wall, first voice coil loudspeaker voice coil sets up two first leads, two first terminal plates are connected respectively to two first leads, first voice coil loudspeaker voice coil outside rigid coupling first diaphragm, hang and establish the second voice coil loudspeaker voice coil in the ring channel, the second voice coil loudspeaker voice coil sets up. The utility model provides a problem that single voice coil loudspeaker voice coil sound pressure output is low.
Description
Technical Field
The utility model belongs to the technical field of the earphone technique and specifically relates to a two voice coil loudspeaker voice coil inner welding structure contact pin formula connection speaker of two membranes.
Background
The miniature loudspeaker belongs to one kind of loudspeaker, and miniature loudspeaker is as a commonly used electronic components in the mobile electronic equipment, mainly used for the broadcast of audio signal, and is small, and the quality is light and bring the high-quality sense of hearing of consumer. With the rapid development of science and technology, people have higher and higher requirements for audio playing of speakers. Miniaturization is one of the mainstream trends in the development of today's speakers, and a micro speaker generally consists of a magnetic circuit unit, a vibration unit and a support unit. The vibration unit comprises a vibration diaphragm and a voice coil which are combined together, the voice coil is positioned between magnetic gaps, when signals are filled in the voice coil, the voice coil is electrified to vibrate up and down under the action of Lorentz magnetic force, so that the vibration diaphragm vibrates and compresses air to generate sound, and the whole process is electric-force-sound conversion. Traditional micro loudspeaker sets up a voice coil loudspeaker voice coil, disposes a membrane, and under the same voltage, the electric current is big, and the joule heat that produces is many, not only influences the quality of speaker pronunciation, also influences micro loudspeaker's life.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a to the not enough of prior art existence, provide one kind under the same voltage, can improve the two voice coil loudspeaker voice coil inner welding structure contact pin formula connection speakers of sound pressure output.
In order to achieve the above object, the utility model discloses the technical scheme of two membrane double voice coil loudspeaker voice coil inner welding structure contact pin formula connection speaker is:
a pin type connection loudspeaker with a double-membrane double-voice-coil internal-welding structure comprises a support, wherein one end of the support is provided with a blind hole, the other end of the support is provided with an annular groove, the annular groove surrounds the outer side of the blind hole, the outer side of the annular groove is provided with two conductor contact pins, the two conductor contact pins penetrate through the support, one end of each conductor contact pin is connected with a first terminal plate which is arranged at the same side as the open end of the blind hole, the other end of each conductor contact pin is connected with a second terminal plate, a magnetic circuit system is arranged in the blind hole, a first voice coil is suspended between the magnetic circuit system and the side wall of the blind hole and is provided, and a second voice coil is suspended in the annular groove and provided with two second lead wires, the two second lead wires are respectively connected with two second terminal boards, and a second diaphragm is fixedly connected to the outer side of the second voice coil.
Preferably, the magnetic circuit system comprises columnar magnetic steel, one end of the columnar magnetic steel is fixedly connected to the bottom of the blind hole, and the other end of the columnar magnetic steel is fixedly connected with the circular pole piece.
Preferably, a front cover fixedly connected with the support is arranged on the outer side of the first membrane, and a cavity for accommodating the first membrane is arranged on the front cover.
Preferably, a steel cover fixedly connected with the support is arranged on the outer side of the second diaphragm.
Compared with the prior art, the utility model, have following advantage:
1. the double voice coil and double membranes are provided, so that the sound pressure output is improved under the same voltage, the sound quality of the loudspeaker is ensured, and the service life of the micro loudspeaker is prolonged.
2. The first lead and the first terminal board, and the second lead and the second terminal board can be welded through special tools, so that the production line operation is facilitated, and the production efficiency is improved;
3. the conductor contact pin can be directly connected with the conducting piece, so that the assembly process is simplified, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a pin-connected speaker with a dual-membrane dual-voice-coil in-line structure;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic structural view of a stent;
fig. 4 is a schematic structural view of the front cover.
The structure comprises a support 1, a blind hole 11, an annular groove 12, a conductor pin 13, a first terminal plate 131, a second terminal plate 132, an inner frame 14, a magnetic circuit system 2, columnar magnetic steel 21, a circular pole piece 22, a first voice coil 3, a first lead 31, a first diaphragm 4, a front cover 5, a cavity 51, a second voice coil 6, a second lead 61, a second diaphragm 7 and a steel cover 8.
Detailed Description
The present invention will be further clarified by the following description in conjunction with the accompanying drawings, which are to be understood as illustrative only and not as limiting the scope of the invention, and modifications of the various equivalent forms of the invention by those skilled in the art after reading the present invention are within the scope defined by the appended claims.
As shown in FIGS. 1-4, a pin-type connection speaker with a dual-membrane dual-voice coil inner-welding structure comprises a bracket 1, a blind hole 11 is formed at one end of the bracket, an annular groove 12 is formed at the other end of the bracket, the annular groove surrounds the blind hole, two conductor pins 13 are arranged outside the annular groove and penetrate through the bracket, one end of each conductor pin is connected with a first terminal plate 131 on the same side as the open end of the blind hole, the other end of each conductor pin is connected with a second terminal plate 132, the two conductor pins and a first terminal plate and a second terminal plate are integrally injection-molded with the bracket, a magnetic circuit system 2 is installed in the blind hole and comprises a columnar magnetic steel 21, one end of the columnar magnetic steel is fixedly connected to the bottom of the blind hole, the other end of the columnar magnetic steel is fixedly connected with a circular pole piece 22, a first voice coil 3, the outer side of the first voice coil is fixedly connected with a first diaphragm 4, the first diaphragm is installed on a front cover 5, the front cover is provided with a cavity 51 used for accommodating the first diaphragm, the front cover is installed on the end face of a support, a second voice coil 6 is placed into an annular groove in a suspension mode, the second voice coil extends out of two second lead wires 61, the two second lead wires are respectively welded with two second terminal plates, the outer side of the second voice coil is fixedly connected with a second diaphragm 7, the support is provided with an inner frame 14 used for accommodating the second diaphragm, and the inner frame is sealed by a steel cover 8.
The utility model discloses a concrete working process and principle: after the conductor contact pin accesses the signal, first voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil are switched on simultaneously, and first voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil drive first diaphragm and the vibrations of second diaphragm simultaneously under magnetic circuit's effect, and first diaphragm and the vibrations of second diaphragm compress air and produce sound. The utility model provides a two voice coil loudspeaker voice coil bimembranes, under the same voltage, improve the sound pressure output, guarantee the quality of speaker pronunciation, prolong micro speaker's life.
Claims (4)
1. The utility model provides a two voice coil loudspeaker are connected to two membrane inner welding structure contact pin formula which characterized in that: the voice coil loudspeaker voice coil comprises a bracket, support one end is provided with the blind hole, and the other end is provided with the ring channel, and the ring channel is around in the blind hole outside, and the ring channel outside is provided with two conductor contact pins, and two conductor contact pins run through in the support, and conductor contact pin one end is connected with the first terminal board with the blind hole open end homonymy, and the conductor contact pin other end is connected with the second terminal board, is provided with magnetic circuit in the blind hole, hangs between magnetic circuit and the blind hole lateral wall and is equipped with first voice coil loudspeaker voice coil, and first voice coil loudspeaker voice coil is provided with two first leads, and two first terminal boards are connected respectively to two first leads, and first voice coil loudspeaker voice coil outside rigid coupling has first diaphragm, hang in the ring channel and be equipped with the second voice coil.
2. The dual-membrane dual-voice coil in-line structure pin-type connection speaker according to claim 1, wherein: the magnetic circuit system comprises columnar magnetic steel, one end of the columnar magnetic steel is fixedly connected to the bottom of the blind hole, and the other end of the columnar magnetic steel is fixedly connected with a circular pole piece.
3. The dual-membrane dual-voice coil in-line structure pin-type connection speaker according to claim 1, wherein: the outer side of the first diaphragm is provided with a front cover fixedly connected with the bracket, and the front cover is provided with a cavity for accommodating the first diaphragm.
4. The dual-membrane dual-voice coil in-line structure pin-type connection speaker according to claim 1, wherein: and a steel cover fixedly connected with the bracket is arranged on the outer side of the second diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021779053.5U CN212910035U (en) | 2020-08-24 | 2020-08-24 | Pin type connection loudspeaker with double-membrane double-voice-coil inner welding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021779053.5U CN212910035U (en) | 2020-08-24 | 2020-08-24 | Pin type connection loudspeaker with double-membrane double-voice-coil inner welding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212910035U true CN212910035U (en) | 2021-04-06 |
Family
ID=75247136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021779053.5U Active CN212910035U (en) | 2020-08-24 | 2020-08-24 | Pin type connection loudspeaker with double-membrane double-voice-coil inner welding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212910035U (en) |
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2020
- 2020-08-24 CN CN202021779053.5U patent/CN212910035U/en active Active
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