CN101048014B - High frequency loudspeaker - Google Patents
High frequency loudspeaker Download PDFInfo
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- CN101048014B CN101048014B CN2006100659495A CN200610065949A CN101048014B CN 101048014 B CN101048014 B CN 101048014B CN 2006100659495 A CN2006100659495 A CN 2006100659495A CN 200610065949 A CN200610065949 A CN 200610065949A CN 101048014 B CN101048014 B CN 101048014B
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Abstract
The invention discloses a kind of high-frequency speaker, including a magnetic cylinder body and a loudspeaker membrane connected with voice coil. The described magnetic cylinder body includes a 'T' - shaped iron, a magnetic cylinder and a splint. There is a gap between the 'T' - shaped iron and the splint. The magnetic cylinder is set between the 'T' - shaped iron and the splint. The voice coil connects with the loudspeaker membrane, which is set between the 'T' - shaped iron and the splint. The loudspeaker membrane is pressed on the magnetic cylinder body. The shortest distance through membrane center between the two ends is 1-3 times of the voice coil diameter, and the longest distance is 1-4 times of the shortest distance.
Description
Technical field
The present invention relates to loud speaker, particularly relate to the tweeter that can effectively reduce dressing filtering after a kind of many linear combinations, improve output tonequality.
Background technology
Linear compact arranged being used in combination of many loud speakers or audio amplifier, in large-scale theater and open deck, use very extensive, but the high frequency sound wave that the sound box system that present many loud speakers or audio amplifier combine sends inevitably can produce the serious comb filtering that people are easy to hear.About comb filtering, its mainly be by two speaker center distance greater than send wave length of sound 1/2 due to and form, eliminate comb filtering and will shorten centre distance between the loud speaker.The structure of present loud speaker all is " cake " type, its diameter is all bigger, if this just make want to eliminate comb filtering just must be with " cake " diameter dimension of loud speaker less than 1/2 of wave length of sound, with regard to present process technology, this is very difficult.Therefore, comb filtering is difficult to eliminate, and during linear compact arranged being used in combination of many loud speakers or audio amplifier, its tonequality all the time can not be very good in large-scale theater and the open deck.
The structural representation of conventional loudspeakers is shown in Figure 1A, Figure 1B, and it mainly includes a magnetic cylinder body 1 ' and and is arranged on the shake film 3 ' that a voice coil loudspeaker voice coil 2 ' was gone up and be connected with to magnetic cylinder body 1 '; Magnetic cylinder body 1 ' includes a T-shape iron 11 ', a magnetic cylinder 12 ' and clamping plate 13 ', leaves gap 14 ' between T-shape iron 11 ' and the clamping plate 13 '; Magnetic cylinder 12 ' is folded between T-shape iron 11 ' and the clamping plate 13 ', and voice coil loudspeaker voice coil 2 ' is connected shake film 3 ' and goes up and be arranged at the gap 14 ' of T-shape iron and clamping plate and locate, and shake film 3 ' pressure is located on the magnetic cylinder body 1 '; In addition, the center of T-shape iron 11 ' also is provided with sender 15 '.As can be seen from the figure, rounded by the magnetic cylinder body 1 ' cross section that T-shape iron 11 ', magnetic cylinder 12 ' and clamping plate 13 ' are formed, like this when speaker combination is used, increased the centre distance between two loud speakers undoubtedly, make to be easy to generate comb filtering.
Summary of the invention
The purpose of this invention is to provide the tweeter that can effectively reduce dressing filtering after a kind of many combinations, improve output tonequality.
For achieving the above object, the present invention takes following technical scheme: a kind of tweeter, and it includes a magnetic cylinder body and and is arranged on the shake film that is connected with a voice coil loudspeaker voice coil on the magnetic cylinder body; Described magnetic cylinder body includes a T-shape iron, a magnetic cylinder and clamping plate, leaves the gap between this T-shape iron and the clamping plate; Described magnetic cylinder is folded between T-shape iron and the clamping plate, and described voice coil loudspeaker voice coil is connected on the shake film and is arranged at the gap location of T-shape iron and clamping plate, and described shake mould is located on the magnetic cylinder body; Described magnetic cylinder body through the shake film center of circle the distance at short two ends be 1 to 3 times of voice coil diameter, described magnetic cylinder body through the shake film center of circle the distance at long two ends be 1 to 4 times of its shortest two ends distance.
In the practical operation, described magnetic cylinder body is single magnetic cylinder body, its through shake film center of circle the distance at short two ends be 1.2 times of voice coil diameter, its through shake film center of circle the distance at long two ends be 2.5 times of its shortest two ends distance.
The shortest two ends of described magnetic cylinder body are top and bottom, and it is linearly, and parallel to each other; The left end and the right-hand member of described magnetic cylinder body are arc shaped respectively.
In the above-mentioned tweeter, the shortest two ends of described magnetic cylinder body are top and bottom, and it also can be oblique line shape; The left end and the right-hand member of described magnetic cylinder body are arc shaped respectively.
In the above-mentioned tweeter, the shortest two ends of described magnetic cylinder body are top and bottom, and it can also be that an end is linearly; Other ends of described magnetic cylinder body are arc shaped respectively.
Tweeter provided by the present invention, its magnetic cylinder body also can be to include a left magnetic cylinder body and a right magnetic cylinder body.Described left magnetic cylinder body and right magnetic cylinder body through the shake film center of circle the distance at short two ends equal the diameter of voice coil loudspeaker voice coil, between described left magnetic cylinder body and the right magnetic cylinder body the distance at long two ends be 1 to 4 times of its shortest two ends distance, specifically, can be 2.5 times.
In the above-mentioned tweeter, the shortest two ends of described left magnetic cylinder body and right magnetic cylinder body are top and bottom, and it is linearly, and parallel to each other; The right-hand member of the left end of described left magnetic cylinder body and right magnetic cylinder body is arc shaped respectively.
In the above-mentioned tweeter, the shortest two ends of described left magnetic cylinder body and right magnetic cylinder body are top and bottom, and it is oblique line shape; The right-hand member of the left end of described left magnetic cylinder body and right magnetic cylinder body is arc shaped respectively.
The present invention is owing to take above design, it has the following advantages: the magnetic cylinder body that the magnetic cylinder body of loud speaker of the present invention is compared conventional loudspeakers has reduced the distance of edge to the center, be equivalent to the magnetic cylinder body of conventional loudspeakers " cut " and fall a part, though the performance of single loud speaker descends to some extent than the high frequency direction ductility of conventional loudspeakers; But after many of loud speakers provided by the present invention were combined, all improved the performance of each side, and its various performances are descending and traditional loud speaker is along with the increase of number of combinations, and its dressing filtering is serious.Relatively the pink noise audio curve figure after conventional loudspeakers and many combinations of loud speaker of the present invention as can be seen, at high-frequency region more serious interference takes place after many combinations of traditional loud speaker, and loud speaker provided by the present invention its curve after many combinations is smoother all the time.
Description of drawings
Figure 1A is traditional loadspeaker structure schematic diagram
Figure 1B is the vertical view of Figure 1A
Structural representation when Fig. 2 A is single magnetic cylinder body for magnetic cylinder body among the present invention
Fig. 2 B is the vertical view of Fig. 2 A
Fig. 3 is an assembled state schematic diagram embodiment illustrated in fig. 2
Fig. 4 is the assembled state schematic diagram for single another embodiment of magnetic cylinder body among the present invention
Fig. 5 is for being the assembled state schematic diagram of an embodiment again of single magnetic cylinder body among the present invention
The assembled state schematic diagram of one embodiment when Fig. 6 is left and right magnetic cylinder body for magnetic cylinder body among the present invention
The assembled state schematic diagram of another embodiment when Fig. 7 is left and right magnetic cylinder body for magnetic cylinder body among the present invention
Pink noise audio curve figure after the combination of Fig. 8 A conventional loudspeakers
Pink noise audio curve figure after Fig. 8 B speaker combination of the present invention
Embodiment
At first shown in Fig. 2 A, Fig. 2 B, be a kind of tweeter provided by the present invention, it includes the shake film 3 that a magnetic cylinder body 1 and is arranged on the magnetic cylinder body 1 and is connected with a voice coil loudspeaker voice coil 2; Similar with prior art, magnetic cylinder body 1 also includes a T-shape iron 11, a magnetic cylinder 12 and clamping plate 13, leaves gap 14 between T-shape iron 11 and the clamping plate 13; Magnetic cylinder 12 is folded between T-shape iron 11 and the clamping plate 13, and voice coil loudspeaker voice coil 2 is connected on the shake film 3 and is arranged at 14 places, gap of T-shape iron and clamping plate, and shake film 3 is pressed and is located on the magnetic cylinder body 1; The present invention is with the different of prior art maximum, not rounded by magnetic cylinder body 1 cross section that T-shape iron 11, magnetic cylinder 12 and clamping plate 13 are formed, specifically, magnetic cylinder body 1 through shake film 3 centers of circle the distance L 1 at short two ends be 1 to 3 times of voice coil loudspeaker voice coil 2 diameters, magnetic cylinder body 1 through shake film 3 centers of circle the distance L 2 at long two ends be 1 to 4 times of its shortest two ends distance L 1.
A concrete embodiment, cooperate Fig. 2 B, shown in Figure 3, magnetic cylinder body 1 is single magnetic cylinder body, its through shake film 3 centers of circle the distance L 1 at short two ends be 1.2 times of voice coil loudspeaker voice coil 2 diameters, its through shake film 3 centers of circle the distance L 2 at long two ends be 2.5 times of its shortest two ends distance L 1.In the embodiment shown in fig. 3, the shortest two ends of magnetic cylinder body 1 are upper end 16 and lower end 17, and it is linearly, and parallel to each other; The left end 18 and the right-hand member 19 of magnetic cylinder body 1 are arc shaped respectively.
In addition, as shown in Figure 4, the upper end 16, the shortest two ends and the lower end 17 of magnetic cylinder body 1 can not be parallel to each other also, but they be oblique line shape; The left end 18 and the right-hand member 19 of magnetic cylinder body 1 are arc shaped respectively.This structure can make things convenient for many speaker combination.
Again as shown in Figure 5, the shortest two ends of magnetic cylinder body 1 are upper end 16 and lower end 17, and wherein an end is linearly, and other ends of magnetic cylinder body 1 are arc shaped respectively.The loud speaker of this structure, very suitable two are used in combination.
In the present invention, magnetic cylinder body 1 also can not be single magnetic cylinder body, but includes left magnetic cylinder body 4 and one a right magnetic cylinder body 5.
As shown in Figure 6, a left side magnetic cylinder body 4 and right magnetic cylinder body 5 through shake films 3 centers of circle the distance L 1 at short two ends equal the diameter of voice coil loudspeaker voice coil 2, between a left side magnetic cylinder body 4 and the right magnetic cylinder body 5 the distance L 2 at long two ends be 1 to 4 times of its shortest two ends distance L 1, specifically, between left magnetic cylinder body 4 and the right magnetic cylinder body 5 the distance L 2 at long two ends can be 2.5 times of its shortest two ends distance L 1.In the present embodiment, the shortest two ends of left magnetic cylinder body 4 and right magnetic cylinder body 5 are upper end 41,51 and lower end 52,42, and it is linearly, and parallel to each other; The left end 43 of left side magnetic cylinder body 4 and the right-hand member 53 of right magnetic cylinder body 5 are arc shaped respectively.
Embodiment as shown in Figure 7, the upper end 41,51, the shortest two ends and the lower end 42,52 of left magnetic cylinder body 4 and right magnetic cylinder body 5 can not be parallel to each other also, but they be oblique line shape; The left end 43 of left side magnetic cylinder body 4 and the right-hand member 53 of right magnetic cylinder body 5 are arc shaped respectively.This structure can make things convenient for many speaker combination.
Among the present invention, the magnetic cylinder body that the magnetic cylinder body of loud speaker is compared conventional loudspeakers has reduced the distance of edge to the center, be equivalent to the magnetic cylinder body of conventional loudspeakers " cut " and fall a part, the performance of single loud speaker descends to some extent than the high frequency direction ductility of conventional loudspeakers; But after many of loud speakers provided by the present invention were combined, all improved the performance of each side, and its various performances are descending and traditional loud speaker is along with the increase of number of combinations, and its dressing filtering is serious.Pink noise audio curve figure shown in Fig. 8 A, Fig. 8 B at high-frequency region more serious interference takes place after many combinations of traditional loud speaker, and loud speaker provided by the present invention its curve after many combinations is smoother all the time as can be seen.
Claims (10)
1. tweeter, it includes a magnetic cylinder body and and is arranged on the shake film that is connected with a voice coil loudspeaker voice coil on the magnetic cylinder body; It is characterized in that:
Described magnetic cylinder body includes a T-shape iron, a magnetic cylinder and clamping plate, leaves the gap between this T-shape iron and the clamping plate; Described magnetic cylinder is folded between T-shape iron and the clamping plate, and described voice coil loudspeaker voice coil is connected on the shake film and is arranged at the gap location of T-shape iron and clamping plate, and described shake mould is located on the magnetic cylinder body;
Described magnetic cylinder body through the shake film center of circle the distance at short two ends be 1 to 3 times of voice coil diameter, described magnetic cylinder body through the shake film center of circle the distance at long two ends be 1 to 4 times of distance at described the shortest two ends.
2. tweeter according to claim 1, it is characterized in that: described magnetic cylinder body is single magnetic cylinder body, its through shake film center of circle the distance at short two ends be 1.2 times of voice coil diameter, its through shake film center of circle the distance at long two ends be 2.5 times of distance at described the shortest two ends.
3. tweeter according to claim 1 and 2 is characterized in that: the shortest two ends of described magnetic cylinder body are top and bottom, and it is linearly, and parallel to each other; The left end and the right-hand member of described magnetic cylinder body are arc shaped respectively.
4. tweeter according to claim 1 and 2 is characterized in that: the shortest two ends of described magnetic cylinder body are top and bottom, and it is oblique line shape; The left end and the right-hand member of described magnetic cylinder body are arc shaped respectively.
5. tweeter according to claim 1 and 2 is characterized in that: the shortest two ends of described magnetic cylinder body are top and bottom, and the one end is linearly; Other ends of described magnetic cylinder body are arc shaped respectively.
6. tweeter according to claim 1 is characterized in that: described magnetic cylinder body includes a left magnetic cylinder body and a right magnetic cylinder body.
7. tweeter according to claim 6, it is characterized in that: described left magnetic cylinder body and right magnetic cylinder body through the shake film center of circle the distance at short two ends equal the diameter of voice coil loudspeaker voice coil, between described left magnetic cylinder body and the right magnetic cylinder body the distance at long two ends be 1 to 4 times of distance at described the shortest two ends.
8. tweeter according to claim 7 is characterized in that: between described left magnetic cylinder body and the right magnetic cylinder body the distance at long two ends be 2.5 times of distance at described the shortest two ends.
9. according to claim 6 or 7 or 8 described tweeters, it is characterized in that: the shortest two ends of described left magnetic cylinder body and right magnetic cylinder body are top and bottom, and it is linearly, and parallel to each other; The right-hand member of the left end of described left magnetic cylinder body and right magnetic cylinder body is arc shaped respectively.
10. according to claim 6 or 7 or 8 described tweeters, it is characterized in that: the shortest two ends of described left magnetic cylinder body and right magnetic cylinder body are top and bottom, and it is oblique line shape; The right-hand member of the left end of described left magnetic cylinder body and right magnetic cylinder body is arc shaped respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100659495A CN101048014B (en) | 2006-03-27 | 2006-03-27 | High frequency loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100659495A CN101048014B (en) | 2006-03-27 | 2006-03-27 | High frequency loudspeaker |
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| Publication Number | Publication Date |
|---|---|
| CN101048014A CN101048014A (en) | 2007-10-03 |
| CN101048014B true CN101048014B (en) | 2011-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100659495A Expired - Fee Related CN101048014B (en) | 2006-03-27 | 2006-03-27 | High frequency loudspeaker |
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| CN (1) | CN101048014B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1207009A (en) * | 1997-07-24 | 1999-02-03 | 王明 | Acoustic membrane and large power intermediate-high frequency loudspeaker made therefrom |
| US5875252A (en) * | 1995-06-16 | 1999-02-23 | P.H.L. Audio | Loudspeaker for high frequencies |
| CN1723737A (en) * | 2003-12-22 | 2006-01-18 | 松下电器产业株式会社 | Speaker and device using the same |
| US20060056651A1 (en) * | 2004-09-15 | 2006-03-16 | Yao Hongbo | Spiral ribbon speaker |
| CN2886958Y (en) * | 2006-03-27 | 2007-04-04 | 顾康 | A high-frequency loudspeaker |
-
2006
- 2006-03-27 CN CN2006100659495A patent/CN101048014B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5875252A (en) * | 1995-06-16 | 1999-02-23 | P.H.L. Audio | Loudspeaker for high frequencies |
| CN1207009A (en) * | 1997-07-24 | 1999-02-03 | 王明 | Acoustic membrane and large power intermediate-high frequency loudspeaker made therefrom |
| CN1723737A (en) * | 2003-12-22 | 2006-01-18 | 松下电器产业株式会社 | Speaker and device using the same |
| US20060056651A1 (en) * | 2004-09-15 | 2006-03-16 | Yao Hongbo | Spiral ribbon speaker |
| CN2886958Y (en) * | 2006-03-27 | 2007-04-04 | 顾康 | A high-frequency loudspeaker |
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| Publication number | Publication date |
|---|---|
| CN101048014A (en) | 2007-10-03 |
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Granted publication date: 20110427 Termination date: 20140327 |