CN103220613A - Frequency spreading horn - Google Patents
Frequency spreading horn Download PDFInfo
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- CN103220613A CN103220613A CN2013101042651A CN201310104265A CN103220613A CN 103220613 A CN103220613 A CN 103220613A CN 2013101042651 A CN2013101042651 A CN 2013101042651A CN 201310104265 A CN201310104265 A CN 201310104265A CN 103220613 A CN103220613 A CN 103220613A
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- voice coil
- vibrating diaphragm
- high pitch
- shape
- spread spectrum
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Abstract
The embodiment of the invention discloses a frequency spreading horn which comprises a basin stand, a low pitch vibrating diaphragm, a voice coil, a high pitch metal vibrating diaphragm, a damper bracket, a T-shaped guide magnet and a circular guide magnetic piece. One end of the low pitch vibrating diaphragm is connected with the basin stand while the other is connected with the voice coil and the damper bracket to form a low pitch unit. The voice coil is arranged in a magnetic field gap between the T-shaped guide magnet and the circular guide magnetic piece. The high pitch metal vibrating diaphragm is suspended in the magnetic field gap between the voice coil and a T-shaped guide magnet core limb through a supporting piece arranged in the T-shaped guide magnet core limb to form a high pitch unit. By the adoption of the horn provided by the invention, the high pitch metal vibrating diaphragm is arranged to expand the sounding frequency of the horn to reduce sound distortion without a frequency divider. The high pitch is free of a coil, so that the high pitch coil is prevented from being burned, and the horn is simple in structure and economical and practical.
Description
Technical field
The present invention relates to a kind of loudspeaker, relate in particular to a kind of spread spectrum loudspeaker.
Background technology
As everyone knows, the playback frequency band that single only common loudspeaker can be finished is narrower, and in order to realize the sound reproduction of people's ear audible audiorange, traditional playback system often takes many loudspeaker and frequency splitting technology to realize, but its sound that sends is easy to generate and obscures and distortion.Therefore, improve existing loudspeaker, make it under the situation of using single loudspeaker, to enlarge the playback frequency band range, reduce the distortion factor, avoid using frequency divider again, have practical function.
Summary of the invention
Embodiment of the invention technical problem to be solved is, a kind of spread spectrum loudspeaker are provided.Can on the T sections stem stem of original common bass horn, hang and be covered with high pitch metal vibrating diaphragm and realize wide band audio playback.
In order to solve the problems of the technologies described above, the embodiment of the invention provides a kind of spread spectrum loudspeaker, comprise the basin frame, the bass vibrating diaphragm, voice coil loudspeaker voice coil, high pitch metal vibrating diaphragm, play the ripple support, T shape magnetic conduction iron, ring magneto conducting piece, described bass vibrating diaphragm one end links to each other with the basin frame, the other end links to each other with described voice coil loudspeaker voice coil and bullet ripple support and forms bass unit, described voice coil loudspeaker voice coil is arranged in the gap, magnetic field of described T shape magnetic conduction iron and described ring magneto conducting piece, and described high pitch metal vibrating diaphragm is suspended in the gap, magnetic field between described voice coil loudspeaker voice coil and the described T shape conducting magnet core post by the strutting piece that is arranged at described T shape conducting magnet core post and forms voice unit.
Further, described high pitch metal vibrating diaphragm cross section is n shape, and the top cover inwall of described n shape is fixedlyed connected with described strutting piece, and ring wall hangs in the gap, magnetic field that is arranged between described voice coil loudspeaker voice coil and the described T shape conducting magnet core post.
Further, described strutting piece is an annular.
Further, described strutting piece is the multi-point support post.
Further, described high pitch metal vibrating diaphragm top is a kind of in cancave cambered surface, convex globoidal, the plane.
Further, described high pitch metal vibrating diaphragm top is provided with perforate.
Implement the embodiment of the invention, have following beneficial effect: widen loudspeaker pronunciation frequency band by high pitch metal vibrating diaphragm is set, reduce audio distortions, do not need frequency divider, high pitch does not partly have coil, and the situation that does not exist the high pitch voice coil loudspeaker voice coil to burn is simple in structure, economical and practical.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention;
Fig. 2 is the local structure for amplifying schematic diagram that A portion among Fig. 1 is shown.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
With reference to overall structure schematic diagram of the present invention shown in Figure 1.
In embodiments of the present invention, comprise basin frame 10, bass vibrating diaphragm 20, voice coil loudspeaker voice coil 30, high pitch metal vibrating diaphragm 40, bullet ripple support 50, T shape magnetic conduction iron 60, ring magneto conducting piece 70; Bass vibrating diaphragm 20 1 ends link to each other with basin frame 10, the other end and voice coil loudspeaker voice coil 30 and play ripple support 50 and link to each other, and voice coil loudspeaker voice coil is arranged in the gap, magnetic field of T shape magnetic conduction iron and ring magneto conducting piece 70 formation and constitutes bass unit; And strutting piece 602 is set on T shape conducting magnet core post 601, and in the high pitch metal vibrating diaphragm 40 supported and suspended gaps, magnetic field that are arranged between voice coil loudspeaker voice coil 30 and the T shape conducting magnet core post 601, structural representation as shown in Figure 2.
The cross section of high pitch metal vibrating diaphragm 40 is n shape, and its top cover inwall is fixedlyed connected with strutting piece 602, and the ring wall of formation hangs in the gap, magnetic field that is arranged between voice coil loudspeaker voice coil 30 and the T shape conducting magnet core post 601, forms voice unit.
In the present embodiment, strutting piece 602 is the annular wall, and strutting piece 602 also can be a support column certainly, and the embodiment of the invention is not as limit.
High pitch metal vibrating diaphragm 40 tops can be a kind of in cancave cambered surface, convex globoidal or the plane, and the preferred convex globoidal of present embodiment describes, as shown in Figure 1.
As further improvement of this embodiment, be provided with a perforate at high pitch metal vibrating diaphragm 40 tops that are n shape.
The embodiment of the invention is in order to overcome existing disadvantages of background technology, the present invention improves common loudspeaker, increased high pitch metal vibrating diaphragm in the gap, magnetic field between voice coil loudspeaker voice coil and T shape conducting magnet core post, form voice unit, make spread spectrum loudspeaker of the present invention need not use frequency divider, still can realize the wideband playback, its part-frequency point places one's entire reliance upon the physical characteristic of high pitch metal vibrating diaphragm itself and electromagnetic induction characteristic and regulates naturally, thereby widen the acoustic frequency response scope of original single loudspeaker, promote the horn integral result of broadcast.
The present invention adopts electromagnetic induction principle, and when tone currents is sent into voice coil loudspeaker voice coil 30, voice coil loudspeaker voice coil 30 moves in magnetic field with the variation of tone currents and drives bass vibrating diaphragm 20 and send medium and low frequency sound.Because be subjected to the restriction of vibrating diaphragm material, 20 pairs of high-frequency sounds of bass vibrating diaphragm then respond relatively poor.Meanwhile, high pitch metal vibrating diaphragm 40 places the part in the gap, magnetic field between voice coil loudspeaker voice coil and the T shape conducting magnet core post, and the high-frequency current that is subjected to voice coil loudspeaker voice coil 30 is responded to and the acquisition high-frequency energy, produces vibration, makes high pitch metal vibrating diaphragm send high-frequency sound.The utilization of above-mentioned principle just allows height, medium and low frequency section audio signal respond separately in constituting voice unit of the present invention and bass unit, forms the sounding body of wideband.
What need describe is, high pitch metal vibrating diaphragm of the present invention both had been applicable to the external magnetic type structure loudspeaker, also was applicable to internal magnetization structure loudspeaker, and the present invention selects the external magnetic type structure loudspeaker to describe.
The above is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, use under the prerequisite of principle not breaking away from the present invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (6)
1. spread spectrum loudspeaker, it is characterized in that, comprise basin frame, bass vibrating diaphragm, voice coil loudspeaker voice coil, high pitch metal vibrating diaphragm, play ripple support, T shape magnetic conduction iron, ring magneto conducting piece, described bass vibrating diaphragm one end links to each other with the basin frame, the other end links to each other with described voice coil loudspeaker voice coil and bullet ripple support and forms bass unit, described voice coil loudspeaker voice coil is arranged in the gap, magnetic field of described T shape magnetic conduction iron and described ring magneto conducting piece, and described high pitch metal vibrating diaphragm is suspended in the gap, magnetic field between described voice coil loudspeaker voice coil and the described T shape conducting magnet core post by the strutting piece that is arranged at described T shape conducting magnet core post and forms voice unit.
2. spread spectrum loudspeaker according to claim 1, it is characterized in that, described high pitch metal vibrating diaphragm cross section is n shape, and the top cover inwall of described n shape is fixedlyed connected with described strutting piece, and ring wall hangs in the gap, magnetic field that is arranged between described voice coil loudspeaker voice coil and the described T shape conducting magnet core post.
3. spread spectrum loudspeaker according to claim 2 is characterized in that, described strutting piece is an annular.
4. spread spectrum loudspeaker according to claim 2 is characterized in that, described strutting piece is a support column.
5. spread spectrum loudspeaker according to claim 2 is characterized in that, described high pitch metal vibrating diaphragm top is a kind of in cancave cambered surface, convex globoidal, the plane.
6. spread spectrum loudspeaker according to claim 5 is characterized in that, described high pitch metal vibrating diaphragm top is provided with perforate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310104265.1A CN103220613B (en) | 2013-03-28 | 2013-03-28 | Spread spectrum loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310104265.1A CN103220613B (en) | 2013-03-28 | 2013-03-28 | Spread spectrum loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103220613A true CN103220613A (en) | 2013-07-24 |
| CN103220613B CN103220613B (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310104265.1A Active CN103220613B (en) | 2013-03-28 | 2013-03-28 | Spread spectrum loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103220613B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104105025A (en) * | 2014-07-02 | 2014-10-15 | 音品电子（深圳）有限公司 | Trumpet structure with integrated active loudspeaker and passive radiator, and sound box |
| CN107911781A (en) * | 2017-11-30 | 2018-04-13 | 佛山市博思通信息技术有限公司 | A kind of loudspeaker |
| CN108632699A (en) * | 2017-03-17 | 2018-10-09 | 宁波升亚电子有限公司 | Loudspeaker arrangement and headphone and its application |
| CN111526448A (en) * | 2020-05-11 | 2020-08-11 | 赵祖齐 | Environment sound receiving controllable electromagnetic type music earphone |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB469194A (en) * | 1936-02-17 | 1937-07-21 | Donald William Shepherd Weeks | Improvements in or relating to acoustic reproducers |
| US4965839A (en) * | 1988-06-02 | 1990-10-23 | Boaz Elieli | Electro acoustic transducer and loudspeaker |
| CN2444372Y (en) * | 2000-08-28 | 2001-08-22 | 阎文革 | Wide frequency band coaxial loudspeaker |
| CN200976671Y (en) * | 2006-04-25 | 2007-11-14 | 张录 | Whole-sound loudspeaker |
| CN203136163U (en) * | 2013-03-28 | 2013-08-14 | 郑树城 | Spread spectrum horn |
-
2013
- 2013-03-28 CN CN201310104265.1A patent/CN103220613B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB469194A (en) * | 1936-02-17 | 1937-07-21 | Donald William Shepherd Weeks | Improvements in or relating to acoustic reproducers |
| US4965839A (en) * | 1988-06-02 | 1990-10-23 | Boaz Elieli | Electro acoustic transducer and loudspeaker |
| CN2444372Y (en) * | 2000-08-28 | 2001-08-22 | 阎文革 | Wide frequency band coaxial loudspeaker |
| CN200976671Y (en) * | 2006-04-25 | 2007-11-14 | 张录 | Whole-sound loudspeaker |
| CN203136163U (en) * | 2013-03-28 | 2013-08-14 | 郑树城 | Spread spectrum horn |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104105025A (en) * | 2014-07-02 | 2014-10-15 | 音品电子（深圳）有限公司 | Trumpet structure with integrated active loudspeaker and passive radiator, and sound box |
| CN108632699A (en) * | 2017-03-17 | 2018-10-09 | 宁波升亚电子有限公司 | Loudspeaker arrangement and headphone and its application |
| CN107911781A (en) * | 2017-11-30 | 2018-04-13 | 佛山市博思通信息技术有限公司 | A kind of loudspeaker |
| CN111526448A (en) * | 2020-05-11 | 2020-08-11 | 赵祖齐 | Environment sound receiving controllable electromagnetic type music earphone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103220613B (en) | 2016-08-17 |
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