CN203872335U - Loudspeaker and sound wave pressure dividing guider thereof - Google Patents
Loudspeaker and sound wave pressure dividing guider thereof Download PDFInfo
- Publication number
- CN203872335U CN203872335U CN201420140759.5U CN201420140759U CN203872335U CN 203872335 U CN203872335 U CN 203872335U CN 201420140759 U CN201420140759 U CN 201420140759U CN 203872335 U CN203872335 U CN 203872335U
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- China
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- sound wave
- potential drop
- dividing potential
- loud speaker
- guider
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- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
The utility model provides a loudspeaker and a sound wave pressure dividing guider thereof, wherein the loudspeaker comprises a box body, a high frequency driver, a lower frequency driver, a sound wave pressure dividing guider and a horn; the high frequency driver and the lower frequency driver are arranged in the box body; the high frequency driver is connected with the sound wave pressure dividing guider; the sound wave pressure dividing guider comprises a pressure dividing port, a pressure divider and at least two guiding pipes; the pressure divider is arranged in the pressure dividing port; the guiding pipes extend outwards from the pressure dividing port abutting against the high frequency driver of the loudspeaker; the horn abuts against the guiding pipes; the pressure divider divides the sound wave into different sound pressure air flow transmitted to different guiding pipes and outputted by the horn, thereby realizing multi-step pressure division and multi-place guiding of the loudspeaker sound waves.
Description
Technical field
The utility model relates to loud speaker, refers to especially loud speaker and the sound wave dividing potential drop guider thereof of many bugles.
Background technology
In traditional speaker system design; often can run into the full-range cabinet that adopts a high frequency unit and two frequency divisions of a low frequency cell composition; high frequency unit can carry a bugle and coordinate with low frequency cell, has arrived the sound wave that high frequency unit is reset and has projected usage space.Due to the acoustic pressure of the sound wave of at present general high frequency unit can be far away higher than the acoustic pressure of the sound wave of low frequency cell, if carrying a bugle according to a current high frequency unit coordinates with low frequency cell, just can not make the acoustic wave energy of high frequency unit all project the space needing, because its carrying limit of having fixing crevice projection angle harmony wave sound to press of bugle, the problems such as this structure can exist electroacoustic energy to project fully and be subject to sound space, and electroacoustic energy application efficiency is low.
In addition, existing audio amplifier has much by adopting built-in power frequency divider to give high frequency unit high-frequency signal, low frequency signal, give low frequency cell, because the acoustic pressure of the sound wave of high frequency unit can be far away higher than the acoustic pressure of the sound wave of low frequency cell, if completely the acoustic wave energy of high frequency unit released and project by a bugle, this also can cause low-and high-frequency acoustic signals not mate, can make the axial location direction high-frequency signal of low frequency cell too much, and high frequency sound wave signal sharply reduces outside the axial location of bugle, simultaneously, built-in power frequency divider can cause the reaction transient state of high frequency driver and low frequency driving device to produce great time delay, and increase bugle length, can cause the problems such as the orientation angle of loud speaker narrows down.
Utility model content
Based on the deficiencies in the prior art, main purpose of the present utility model is to provide a kind of can carry out voltage division processing by the high and low frequency sound wave of loud speaker, disperses the sound wave dividing potential drop guider of diffusion output, and the loud speaker that adopts described sound wave dividing potential drop guider.
In order to realize above-mentioned utility model object, the utility model provides a kind of sound wave dividing potential drop guider of loud speaker, it comprises dividing potential drop mouth, voltage divider and at least two guide pipes, described voltage divider is built in dividing potential drop mouth, described guide pipe is stretched out by dividing potential drop mouth, and described dividing potential drop mouth docks with the acoustic emission mouth of loud speaker, by voltage divider, sound wave is divided into different acoustic pressure air-flows, transfer in different guide pipes and export, to realize the multistage dividing potential drop of loud speaker sound wave and many places guiding.
Preferably, described guide pipe comprises sound wave access port and sound wave delivery outlet, and described sound wave access port docks with the acoustic emission mouth of loud speaker.Described sound wave delivery outlet is horn-like, and the sound wave input port of described different guide pipes communicates.
Preferably, described voltage divider is located at dividing potential drop Kou center, and the acoustic pressure required according to the sound wave delivery outlet of different guide pipes, is assigned to the sound wave of different pressures in different guide pipes and exports.
The utility model also provides a kind of loud speaker, it comprises casing, high frequency driver, low frequency driving device, sound wave dividing potential drop guider and bugle, wherein, described high frequency driver and low frequency driving device are built in casing, described high frequency driver is connected with sound wave dividing potential drop guider, described sound wave dividing potential drop guider comprises dividing potential drop mouth, voltage divider and at least two guide pipes, described voltage divider is built in dividing potential drop mouth, described guide pipe is stretched out by dividing potential drop mouth, described dividing potential drop mouth docks with the low frequency driving device of loud speaker, described bugle and guide pipe connect, by voltage divider, sound wave is divided into different acoustic pressure air-flows, transfer in different guide pipes, via bugle, export, to realize the multistage dividing potential drop of loud speaker sound wave and many places guiding.
Compared with prior art, the utility model has adopted described sound wave dividing potential drop guider on loud speaker, sound wave is exported according to acoustic pressure different dispersion, dividing potential drop guider is connected with two bugles by two guide pipes, so that sound wave is exported and to be spread out, by this dividing potential drop guider, can and lead to spaces different and that need high frequency unit sound wave the sound wave dividing potential drop of high frequency unit, so just improved the electro-acoustic conversion efficiency of high frequency unit, saved the damping resistance of original built-in power frequency divider medium-high frequency driver, also reached the effect of frequency division output, improved the service efficiency of the electroacoustic energy of high frequency driver, the tonequality reduction degree of high frequency driver is promoted greatly.
In addition, the be placed in both sides of high frequency driver and low frequency driving device of bugle, have expanded the conveying range of scatter of sound, make the more realistic sound field of acoustic image positions of the sound that loud speaker broadcasts, two bugles, at the both sides while of loud speaker public address, have solved the narrower problem of orientation angle of loud speaker.Meanwhile, by sound wave dividing potential drop guider of the present utility model, also reduced effective low-frequency minimum of high frequency driver, the part-frequency point of high frequency driver and low frequency driving device can be dropped in effective frequency range exactly.
Accompanying drawing explanation
Fig. 1 is the structural representation of the sound wave dividing potential drop guider of a kind of loud speaker of the utility model;
Fig. 2 is the structural representation of a kind of loud speaker of the utility model.
Embodiment
Shown in Fig. 1, the utility model provides a kind of sound wave dividing potential drop guider 100 of loud speaker, it comprises dividing potential drop mouth 1, voltage divider 2 and at least two guide pipes 3, described voltage divider 2 is built in dividing potential drop mouth 1, described guide pipe 3 is stretched out by dividing potential drop mouth 1, and described dividing potential drop mouth 1 docks with the acoustic emission mouth of loud speaker, by voltage divider 2, sound wave is divided into different acoustic pressure air-flows, transfer to output in different guide pipe 3, to realize the multistage dividing potential drop of loud speaker sound wave and many places guiding.
Wherein, dividing potential drop mouth 1 docks with the high frequency driver of loud speaker, and voltage divider 2 is built in dividing potential drop mouth 1, preferably, be located at the center of dividing potential drop mouth 1, the acoustic pressure required according to the sound wave delivery outlet of different guide pipes 3, is assigned to output in different guide pipe 3 by the sound wave of different pressures.Voltage divider is the principle of reflection according to sound wave, and the acoustic reflection to driver is exported in guide pipe.The volume reflection to the sound wave of each guide pipe to the adjustment of the physical material at each position of voltage divider and geometry and the path capable of regulating voltage divider of walking in driver in conjunction with sound wave, different acoustic reflection amounts has just been determined the acoustic pressure in each guide pipe.
Described guide pipe 3 is two, it comprises sound wave access port 30 and sound wave delivery outlet 32, described sound wave access port 30 docks with the acoustic emission mouth of loud speaker, the sound wave input port 30 of described different guide pipes communicates, the sound wave being sent by acoustic emission mouth can be dispersed to 32 outputs of different sound wave delivery outlets, described sound wave delivery outlet 32 is horn-like.Described guide pipe 3 adopts mold injection or die cast to form.
Shown in Fig. 2, the utility model also provides a kind of loud speaker 200 of described sound wave dividing potential drop guider, it comprises casing 4, low frequency driving device 5, high frequency driver 6, sound wave dividing potential drop guider 100 and bugle 7, wherein, described low frequency driving device 5 and high frequency driver 6 are built in casing 1, described high frequency driver 6 is connected with sound wave dividing potential drop guider 100, by sound wave dividing potential drop guider 100, sound wave is disperseed to output according to acoustic pressure demand.
Described sound wave dividing potential drop guider 100 comprises dividing potential drop mouth 1, voltage divider 2 and at least two guide pipes 3, described voltage divider 2 is built in dividing potential drop mouth 1, described guide pipe 3 is stretched out by dividing potential drop mouth 1, described dividing potential drop mouth 1 docks with the high frequency driver 6 of loud speaker, described bugle 7 connects with guide pipe, by voltage divider 2, sound wave is divided into different acoustic pressure air-flows, transfers in different guide pipe 3, via bugle 7 outputs, to realize the multistage dividing potential drop of loud speaker sound wave and many places guiding.Described bugle 7 is horn-like, and dock with the sound wave delivery outlet of guide pipe 3 its one end, and the other end is fixed and cabinet wall, so that sonic transmissions to the bugle 7 of guide pipe 3 outputs is carried and to be spread out.
On loud speaker, adopted described sound wave dividing potential drop guider, sound wave is disperseed to output according to the difference of boosting, dividing potential drop guider is connected with two bugles by two guide pipes, so that sound wave is exported and to be spread out, thereby saved the damping resistance of original built-in power frequency divider medium-high frequency driver, also reached the effect of frequency division output, improved the service efficiency of the electroacoustic energy of high frequency driver, the tonequality reduction degree of high frequency driver is promoted greatly.In addition, the be placed in both sides of high frequency driver and low frequency driving device of bugle, have expanded the conveying range of scatter of sound, make the more realistic sound field of acoustic image positions of the sound that loud speaker broadcasts, two bugles, at the both sides while of loud speaker public address, have solved the narrower problem of orientation angle of loud speaker.Meanwhile, by sound wave dividing potential drop guider of the present utility model, also reduced effective low-frequency minimum of high frequency driver, the part-frequency point of high frequency driver and low frequency driving device can be dropped in effective frequency range exactly.According to travelling wave tube (PWT) theory, the lower frequency limit of travelling wave tube, by C/4L, provides, and C is the velocity of sound, and L is the length of pipe, from then on can find out that the length that increases travelling wave tube can make more low-frequency sound wave pass through.Therefore, in the utility model, adopt the mode of the length of the guide pipe that increases sound wave dividing potential drop guider, make the lower frequency limit that has driving can better be transported to the bugle of loud speaker, so just make the high frequency driver of loud speaker and low frequency driving device have more effective part-frequency point range of choice.
Claims (10)
1. the sound wave dividing potential drop guider of a loud speaker, it is characterized in that: comprise dividing potential drop mouth, voltage divider and at least two guide pipes, described voltage divider is built in dividing potential drop mouth, described guide pipe is stretched out by dividing potential drop mouth, described dividing potential drop mouth docks with the acoustic emission mouth of loud speaker, by voltage divider, sound wave is divided into different acoustic pressure air-flows, transfers in different guide pipes and export, to realize the multistage dividing potential drop of loud speaker sound wave and many places guiding.
2. the sound wave dividing potential drop guider of loud speaker according to claim 1, is characterized in that: described guide pipe comprises sound wave access port and sound wave delivery outlet, and described sound wave access port docks with the acoustic emission mouth of loud speaker.
3. the sound wave dividing potential drop guider of loud speaker according to claim 2, it is characterized in that: described voltage divider is located at dividing potential drop Kou center, the acoustic pressure required according to the sound wave delivery outlet of different guide pipes, is assigned to the sound wave of different pressures in different guide pipes and exports.
4. the sound wave dividing potential drop guider of loud speaker according to claim 2, is characterized in that: described sound wave delivery outlet is horn-like.
5. the sound wave dividing potential drop guider of loud speaker according to claim 2, is characterized in that: the sound wave input port of described different guide pipes communicates.
6. a loud speaker that adopts sound wave dividing potential drop guider as claimed in claim 1, it comprises casing, high frequency driver, low frequency driving device, sound wave dividing potential drop guider and bugle, it is characterized in that: described high frequency driver and low frequency driving device are built in casing, described high frequency driver is connected with sound wave dividing potential drop guider, described sound wave dividing potential drop guider comprises dividing potential drop mouth, voltage divider and at least two guide pipes, described voltage divider is built in dividing potential drop mouth, described guide pipe is stretched out by dividing potential drop mouth, described dividing potential drop mouth docks with the low frequency driving device of loud speaker, described bugle and guide pipe connect, by voltage divider, sound wave is divided into different acoustic pressure air-flows, transfer in different guide pipes, via bugle, export, to realize the multistage dividing potential drop of loud speaker sound wave and many places guiding.
7. loud speaker according to claim 6, is characterized in that: described guide pipe comprises sound wave access port and sound wave delivery outlet, and described sound wave access port docks with the acoustic emission mouth of loud speaker.
8. loud speaker according to claim 7, is characterized in that: described voltage divider is located at dividing potential drop Kou center, and the acoustic pressure required according to the sound wave delivery outlet of different guide pipes, is assigned to the sound wave of different pressures in different guide pipes and exports.
9. loud speaker according to claim 7, is characterized in that: described sound wave delivery outlet is horn-like.
10. loud speaker according to claim 7, is characterized in that: the sound wave input port of described different guide pipes communicates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420140759.5U CN203872335U (en) | 2014-01-09 | 2014-03-26 | Loudspeaker and sound wave pressure dividing guider thereof |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420012849.6 | 2014-01-09 | ||
| CN201420012849 | 2014-01-09 | ||
| CN201420140759.5U CN203872335U (en) | 2014-01-09 | 2014-03-26 | Loudspeaker and sound wave pressure dividing guider thereof |
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| Publication Number | Publication Date |
|---|---|
| CN203872335U true CN203872335U (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420140759.5U Expired - Fee Related CN203872335U (en) | 2014-01-09 | 2014-03-26 | Loudspeaker and sound wave pressure dividing guider thereof |
| CN201410116896.XA Active CN103905951B (en) | 2014-01-09 | 2014-03-26 | A kind of loud speaker and its sound wave divide guider |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410116896.XA Active CN103905951B (en) | 2014-01-09 | 2014-03-26 | A kind of loud speaker and its sound wave divide guider |
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| Country | Link |
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| CN (2) | CN203872335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103905951A (en) * | 2014-01-09 | 2014-07-02 | 唐永均 | Loudspeaker and acoustic wave pressure dividing guider thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106792397A (en) * | 2017-02-27 | 2017-05-31 | 广州市声讯电子科技有限公司 | High-efficiency broadband multi-path combination loudspeaker system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2234164Y (en) * | 1995-06-15 | 1996-08-28 | 潘邦教 | Voltage-division and transforming type loudspeaker casing |
| US7735599B2 (en) * | 2003-03-25 | 2010-06-15 | Toa Corporation | Sound wave guide structure for speaker system and horn speaker |
| US7190801B2 (en) * | 2004-06-15 | 2007-03-13 | Chen-Hugh Hsieh | Horn loudspeaker |
| CN101415135A (en) * | 2007-10-19 | 2009-04-22 | 曾纪寿 | Loudspeaker |
| CN203872335U (en) * | 2014-01-09 | 2014-10-08 | 唐永均 | Loudspeaker and sound wave pressure dividing guider thereof |
-
2014
- 2014-03-26 CN CN201420140759.5U patent/CN203872335U/en not_active Expired - Fee Related
- 2014-03-26 CN CN201410116896.XA patent/CN103905951B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103905951A (en) * | 2014-01-09 | 2014-07-02 | 唐永均 | Loudspeaker and acoustic wave pressure dividing guider thereof |
| CN103905951B (en) * | 2014-01-09 | 2018-08-21 | 唐永均 | A kind of loud speaker and its sound wave divide guider |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103905951A (en) | 2014-07-02 |
| CN103905951B (en) | 2018-08-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20190326 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |