CN101778323A - Low frequency T-iron central reversal phase voice box of omni-directional loudspeaker - Google Patents
Low frequency T-iron central reversal phase voice box of omni-directional loudspeaker Download PDFInfo
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- CN101778323A CN101778323A CN200910095351A CN200910095351A CN101778323A CN 101778323 A CN101778323 A CN 101778323A CN 200910095351 A CN200910095351 A CN 200910095351A CN 200910095351 A CN200910095351 A CN 200910095351A CN 101778323 A CN101778323 A CN 101778323A
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- paraphase
- hammer
- coil
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- low frequency
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Abstract
The invention relates to a low frequency T-iron central reversal phase voice box of an omni-directional loudspeaker, which is provided with the following technical points: a moving-coil loudspeaker is arranged on the box body of a cylindrical voice box, a full frequency reversal phase hammer is arranged on a pressed edge of the moving-coil loudspeaker, a mesh enclosure is covered outside a low sound reversal phase hammer and the full frequency reversal phase hammer, an audio input interface is connected with the moving-coil loudspeaker by a lead, the sound of the loudspeaker radiates in a 360-degree manner in the horizontal direction through reflection of the full frequency reversal phase hammer and the low sound reversal phase hammer; as a result, sound is not provided with directionality, people can hear the same sound in any direction around the voice box, thus overcoming the defect that in the past vibrating membrane of a directional loudspeaker is needed to face squarely the direction where people stand; in addition, in the invention, a reversal phase hole is arranged at the center of the T-iron of the loudspeaker and airsteam in the voice box is led out through the reversal hole and the full frequency reversal phase hammer to be transformed into sound energy, high, medium and low frequency sound radiation directions are completely identical and low frequency replay efficiency is improved.
Description
One, technical field
The present invention relates to design, the manufacturing of dynamic speaker and audio amplifier, specifically a kind of non-directive loud speaker low frequency T-iron center reflex cabinet.
Two, background technology
Along with improving constantly of science and technology development and living standard, people are also improving constantly the pursuit of act of music.In the current digital age, LCD TV, notebook computer, popularizing of electronic products such as MP3 (4), music phone, the audio frequency quality has also reached high levels, design a exquisiteness, small and exquisite, fashionable, small-sized audio amplifier that acoustic fidelity is high, become the target that the many enterprises of electroacoustic industry are pursued to satisfy market and consumer demand.But present small-sized audio amplifier all has the requirement of putting: promptly the radiation direction of loud speaker will face toward the people, and supporting notebook computer, MP3 (4), the audio amplifier of electronic products such as music phone all require miniaturization, microminiaturized, but sound reproduction quality is still very high, common small-sized audio amplifier low frequency playback frequency is higher, particularly the following loud speaker low frequency of diameter 50mm playback frequency is about 150HZ, this type of small-sized audio amplifier all is designed to opening box (paraphase hole promptly is installed) in order to reduce low frequency playback frequency, but it is consistent that the low frequency paraphase mouth about 150HZ requires with alt radiation direction, this has increased difficulty for small-sized audio amplifier design, because paraphase hole opening place needs the space.Also influenced simultaneously the miniaturization and the appearance design of audio amplifier, supporting digital product has been brought a lot of restrictions.
Three, summary of the invention
Content of the present invention is: provide a kind of paraphase hole to open at loud speaker T iron center and radiation non-directive, so that miniature loudspeaker when design, can guarantee that low frequency phase inverter radiation direction is with medium-high frequency radiation direction unanimity, can make the audio amplifier design become easy, small and exquisite and various again, and can improve the non-directive loud speaker low frequency T-iron center reflex cabinet of the low frequency efficient of audio amplifier.
Technical scheme of the present invention is: it comprises: bass paraphase hammer, full range paraphase hammer, the cylinder sound box, guard, coil-moving speaker, audio input interface, full range paraphase hammer leg, full range paraphase hammer centralized positioning socket, full range paraphase hammer paraphase hole, the coil-moving speaker flanging, coil-moving speaker centralized positioning socket, coil-moving speaker T iron center paraphase hole, it is characterized in that coil-moving speaker is located on the cylinder sound box, full range paraphase hammer is located in the coil-moving speaker flanging, low frequency paraphase hammer is located on the full range paraphase hammer, guard covers on bass paraphase hammer and full range paraphase hammer outside, and the full range paraphase is hammered into shape, the center of bass paraphase hammer and loud speaker T iron center paraphase hole keeps point-blank, and audio input interface is connected with coil-moving speaker by lead.The structure of described full range paraphase hammer, it is made up of full range paraphase hammer leg, full range paraphase hammer centralized positioning socket, full range paraphase hammer paraphase hole, full range paraphase hammer leg is located at the edge, and full range paraphase hammer centralized positioning socket is located at the bottom of full range paraphase hammer paraphase hole; It is made up of the structure of described coil-moving speaker coil-moving speaker flanging, coil-moving speaker centralized positioning socket, coil-moving speaker T iron center paraphase hole, the coil-moving speaker flanging is located at the edge, coil-moving speaker centralized positioning socket is located at paraphase hole top, coil-moving speaker T iron center, and coil-moving speaker T iron center paraphase hole is located at the T iron center of coil-moving speaker.
Advantage of the present invention: sound conduction at first of the present invention is non-direction: present audio amplifier sound conduction all is that what directive property to be arranged is the direction that the vibrating membrane of loud speaker will face the people.Key problem in technology of the present invention is that full range paraphase hammer is located in the coil-moving speaker flanging, low frequency paraphase hammer is located on the full range paraphase hammer, loudspeaker sound is by the reflection of full range paraphase hammer and bass paraphase hammer, to 360 ° of radiation of level all around, so sound does not have directive property, people can any one direction hear same sound around this audio amplifier, make the putting position of audio amplifier that a lot of randomness be arranged, and people also can be lighter when music appreciating, not necessarily to go to listen to the music, can around audio amplifier, listen to the music facing to audio amplifier.
Secondly, can improve low frequency playback efficient with loudspeaker design audio amplifier of the present invention.The present invention is located at coil-moving speaker T iron center with paraphase hole, by the paraphase hammer sound guidance is come out again, T iron center paraphase hole has guaranteed the in full accord of high, medium and low frequency acoustic radiating direction, and the air-flow in the audio amplifier is all poured out by paraphase hole by full range paraphase hammer, be converted into acoustic energy, improved low frequency playback efficient.And bringing a lot of convenience for like this design of small-sized audio amplifier, we can be designed to it cylindric etc., and can be installed in loud speaker the top of cylinder, and the diameter of cylinder can be made the same size with loud speaker.So both a variety of design effects can be arranged, and make whole audio amplifier small and exquisite again, bass effect is good again.We install this full range paraphase hammer and bass paraphase through test and hammer forward and backward low frequency frequency into shape and improve 2 decibels, and make the bass frequencies 10HZ that descended, i.e. audio amplifier playback low frequency improved efficiency is more than 1 times.
Four, description of drawings
Fig. 1 is: structural representation of the present invention
Fig. 2 is: the structural representation of full range paraphase hammer
Fig. 3 is: the coil-moving speaker structural representation
Among the figure: 1, bass paraphase hammer; 2, full range paraphase hammer; 3, cylinder sound box; 4, guard; 5, coil-moving speaker; 6, audio input interface; 7, full range paraphase hammer leg; 8, full range paraphase hammer centralized positioning socket; 9, full range paraphase hammer paraphase hole; 10, coil-moving speaker flanging; 11, coil-moving speaker centralized positioning socket; 12, coil-moving speaker T iron center paraphase hole.
Five, embodiment
(1) installation process:
At first coil-moving speaker 5 vibrating membrane levels are fixed on cylinder sound box 3 places suitable for reading with glue up, then the full range paraphase is hammered into shape paraphase hole 12 places, coil-moving speaker T iron center that 2 full range paraphase hammer centralized positioning socket 8 inserts coil-moving speaker 5, with glue fixedly three leg 7 moving-coil types of full range paraphase hammer combine with loud speaker flanging 10, again bass paraphase hammer 1 is installed in the full range paraphase and hammers 2 tops into shape, make the toe top of bass paraphase hammer 1 aim at the center that paraphase hole 9 is hammered in the full range paraphase into shape, fixedly engage at the bass paraphase top of hammering 1 three legs and full range paraphase hammer into shape with glue, again guard 4 being hammered into shape 1 upper vertical from the bass paraphase down inserts, it is suitable for reading to be inserted to cylinder sound box 3, also fixes with glue at joint.
(2) use:
After the input power audio signal, loud speaker obtains signal and begins sounding.The medium-high frequency signal makes progress and runs into the full range paraphase after the radiation and bore 360 ° of diffusions of level towards periphery, no matter in which direction of audio amplifier, and the same playback sound that people's ear can both be heard.The low frequency paraphase hole of low frequency acoustic energy by T iron center, along diffusing opening radiation upward, by low frequency paraphase cone guiding to around 360 ° of radiation of level.Guaranteed that the medium-high frequency radiation direction is consistent with the low frequency radiation direction that is lower than 150HZ.Not only reduced playback low frequency frequency, in fact the low frequency paraphase hole at T iron center has played the effect of miniature phase-reversing tube, has increased the efficient of microtubule phase inverter, has also increased the replaying bass efficient of small-sized audio amplifier.
Claims (3)
1. non-directive loud speaker low frequency T-iron center reflex cabinet, comprise bass paraphase hammer (1), full range paraphase hammer (2), cylinder sound box (3), guard (4), coil-moving speaker (5), audio input interface (6), full range paraphase hammer leg (7), full range paraphase hammer centralized positioning socket (8), full range paraphase hammer paraphase hole (9), coil-moving speaker flanging (10), coil-moving speaker centralized positioning socket (11), coil-moving speaker T iron center paraphase hole (12), it is characterized in that coil-moving speaker (5) is located on the cylinder sound box, full range paraphase hammer (2) is located in the coil-moving speaker flanging (10), low frequency paraphase hammer (1) is located on the full range paraphase hammer (2), guard (4) covers on bass paraphase hammer (1) and full range paraphase hammer (2) outside, and make the full range paraphase hammer (2) into shape, the center of bass paraphase hammer (1) and loud speaker T iron center paraphase hole keeps point-blank, and audio input interface (6) is connected with coil-moving speaker (5) by lead.
2. by the described non-directive loud speaker of claim 1 low frequency T-iron center reflex cabinet, the structure that it is characterized in that described full range paraphase hammer, full range paraphase hammer leg (7) is located at the edge, and full range paraphase hammer centralized positioning socket (8) is located at the bottom of full range paraphase hammer paraphase hole (9).
3. by the described non-directive loud speaker of claim 1 low frequency T-iron center reflex cabinet, the structure that it is characterized in that described coil-moving speaker is that coil-moving speaker flanging (10) is located at the edge, coil-moving speaker centralized positioning socket (11) is located at paraphase hole top, coil-moving speaker T iron center, and coil-moving speaker T iron center paraphase hole (12) is located at the T iron center of coil-moving speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910095351A CN101778323A (en) | 2009-01-08 | 2009-01-08 | Low frequency T-iron central reversal phase voice box of omni-directional loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910095351A CN101778323A (en) | 2009-01-08 | 2009-01-08 | Low frequency T-iron central reversal phase voice box of omni-directional loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101778323A true CN101778323A (en) | 2010-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910095351A Pending CN101778323A (en) | 2009-01-08 | 2009-01-08 | Low frequency T-iron central reversal phase voice box of omni-directional loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101778323A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102006531A (en) * | 2010-11-24 | 2011-04-06 | 东莞市达硕科技有限公司 | Sound box structure |
| CN106454177A (en) * | 2016-12-15 | 2017-02-22 | 深圳Tcl数字技术有限公司 | Phase-inverted sound box and television |
-
2009
- 2009-01-08 CN CN200910095351A patent/CN101778323A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102006531A (en) * | 2010-11-24 | 2011-04-06 | 东莞市达硕科技有限公司 | Sound box structure |
| CN102006531B (en) * | 2010-11-24 | 2013-06-05 | 东莞市达硕科技有限公司 | Sound box structure |
| CN106454177A (en) * | 2016-12-15 | 2017-02-22 | 深圳Tcl数字技术有限公司 | Phase-inverted sound box and television |
| CN106454177B (en) * | 2016-12-15 | 2019-05-31 | 深圳Tcl数字技术有限公司 | Phase inverted cabinet and television set |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100714 |