CN202231846U - Piezoelectric ceramic violin loudspeaker - Google Patents
Piezoelectric ceramic violin loudspeaker Download PDFInfo
- Publication number
- CN202231846U CN202231846U CN2011203714541U CN201120371454U CN202231846U CN 202231846 U CN202231846 U CN 202231846U CN 2011203714541 U CN2011203714541 U CN 2011203714541U CN 201120371454 U CN201120371454 U CN 201120371454U CN 202231846 U CN202231846 U CN 202231846U
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- CN
- China
- Prior art keywords
- piezoelectric ceramic
- violin
- panel
- standard
- loudspeaker
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Abstract
The utility model relates to a piezoelectric ceramic violin loudspeaker which is composed of a standard violin box 1 and a piezoelectric ceramic 3 possessing an input terminal 2. The piezoelectric ceramic 3 is pasted on a panel 4 of the standard violin box 1 or the back 5 of the panel 4 via a support rod 8. The piezoelectric ceramic violin loudspeaker adopts the above structure, and in the structure, the standard violin box 1 is used as a well-known vibrating diaphragm (commonly known as a paper disc) of the loudspeaker, and at the same time, the excellent high frequency output frequency response effect of the piezoelectric ceramic 3 is used, and because the piezoelectric ceramic 3 is very thin, the piezoelectric ceramic 3 can be pasted on the panel 4 of the standard violin box 1 or the back 5 of the panel 4 via the support rod 8, and consequently the function of a resonance box which can amplify a weak sound made by a string and is used by people for hundreds of years is used to the fullest extent, and various sound signals, especially the medium and high frequency signals, can be amplified and transmitted with low distortion.
Description
Technical field
A kind of piezoelectric ceramic violin loud speaker relates to the improvement of loadspeaker structure.
Background technology
Now in the electronic audio technical field about the structure of loud speaker; Be that people are seeking improved direction always; How can find the voice emplifying transmission equipment of low distortion, people constantly from the material aspect of audio amplifier, from the circuit connection structure aspect of sound amplifier, from the shape of loudspeaker sound film and material aspect and from the ferromagnetic material of voice coil loudspeaker voice coil look for improved maybe.
Summary of the invention
The purpose of the utility model is to provide a kind of loud speaker; Break through the limitation of the transmission equipment that is used for voice emplifying at present; Particularly on the high frequency output equipment, adopt with the standard violin and use same moulding, both can give the joyful visual experience of people; Can improve the frequency response effect of the medium-high frequency part of institute's output sound again, distortion rate is very low.
The said piezoelectric ceramic violin of the utility model loud speaker is made up of the piezoelectric ceramic 3 of standard violin qin case 1, tape input end 2, and wherein said piezoelectric ceramic 3 usefulness poles 8 are bonded on the panel 4 of standard violin qin case 1 or on the back side 5 of panel 4.
Adopted the piezoelectric ceramic violin loud speaker of the said structure of the utility model; Owing to use standard violin qin case 1 vibrating membrane (being commonly called as paper disc) as the loud speaker that common people knew; Used the good high frequency output frequency response effect of piezoelectric ceramic 3 simultaneously; Because piezoelectric ceramic 3 is extremely thin; Only need post it on the panel 4 of standard violin qin case 1 or on the back side 5 of panel 4 through pole 8, fully use the centuries people, just can accomplish particularly medium-high frequency signal of signal that the amplification of low distortion ground transmits various sound the effect that the sound string sends the resonant tank that the amplification of faint sound does.
Description of drawings
Fig. 1 is the sketch map of the said piezoelectric ceramic violin of the utility model loadspeaker structure;
Fig. 2 is the frequency response curve figure of conventional piezoelectric ceramic;
Fig. 3 is the frequency response curve sketch map of the said piezoelectric ceramic violin of the utility model loud speaker.
Embodiment
Further specify below in conjunction with accompanying drawing.
As shown in Figure 1; The said piezoelectric ceramic violin of the utility model loud speaker; Piezoelectric ceramic 3 by standard violin qin case 1, tape input end 2 is formed; Said piezoelectric ceramic 3 usefulness poles 8 are bonded on the panel 4 of standard violin qin case 1 or on the back side 5 of panel 4, and at this moment said standard violin qin case 1 is that the vibrating membrane (being commonly called as paper disc) of the loud speaker known as common people uses.
In actual use, we can be bonded in said piezoelectric ceramic 3 usefulness poles 8 in the fingerboard 6 and the panel 4 between the chord-drawing plate 7 on standard violin qin case 1 panel 4; Consider from the requirement of outward appearance, preferably be bonded in said piezoelectric ceramic 3 usefulness poles 8 on the back side 5 of fingerboard 6 and the panel 4 between the chord-drawing plate 7 on standard violin qin case 1 panel 4.Like this, no matter the joyful impression of people can be given in the audio-video equipment both sides that the user is placed on piezoelectric ceramic violin loud speaker the both sides of music hall stage or is placed on household's parlor or specially puts, enjoy romantic music atmosphere; In addition because piezoelectric ceramic piece is extremely thin; As long as take off the holding wire of piezoelectric ceramic input 2; The violin player just can directly play with violin; And owing to piezoelectric ceramic 3 is arranged attached on the standard violin qin case 1, the low distortion that has helped to improve medium-high frequency in the faint sound that the sound string sends amplifies, to play the sound that sends melodious more mellow and full melodious.
As shown in Figure 2, be the frequency response curve figure of conventional piezoelectric ceramic, because the characteristic of ceramic material; Its Frequency Response is in the frequency range of 1600Hz-20000Hz; Its amplitude curve is all very high, but in 1600-20000Hz curve ranges, serious teeth section occurs, causes the quality distortion of intermediate-frequency section big; Determine piezoelectric ceramic piece generally can only be used in the low-grade high pitch loudspeaker, limited the scope of application of piezoelectric ceramic.
As shown in Figure 3, be the frequency response curve sketch map of the said piezoelectric ceramic violin of the utility model loud speaker.
Because we are in the utility model; Be bonded in said piezoelectric ceramic 3 usefulness poles 8 in the fingerboard 6 and the panel 4 between the chord-drawing plate 7 on standard violin qin case 1 panel 4; The flexural vibrations that after signal adds piezoelectric ceramic 3 through piezoelectric ceramic input 2, produce pottery; Through the complex vibration of standard violin qin case 1 panel 4, make in the frequency range of frequency between 1600Hz-20000Hz, its amplitude curve is not only all very high again; And frequency response is very level and smooth, therefore can obtain the very high medium-high frequency tonequality of frequency response effect.
For test like Fig. 2, the frequency response effect shown in 3; What adopt is that audio signal generator carries out with frequently apparent appearance; Receive audio signal generator on the input 2 of piezoelectric ceramic 3 of input or said piezoelectric ceramic violin loud speaker of conventional piezoelectric ceramic; Import a swept-frequency signal, show on the appearance frequently then and can see like Fig. 2, the frequency response effect curve shown in 3.
The said piezoelectric ceramic violin of the utility model loud speaker; Owing to adopted standard violin qin case 1 vibrating membrane (being commonly called as paper disc) as the loud speaker that common people knew; The piezoelectric ceramic of being selected for use 3 is to be bonded on the panel 4 of standard violin qin case 1 or on the back side 5 of panel 4 with pole 8, and the panel 4 of the audio frequency that is sent by piezoelectric ceramic 3 through standard violin qin case 1 amplifies and propagate in the air.As long as take off the holding wire of piezoelectric ceramic input 2; The violin player just can directly play with violin; And owing to piezoelectric ceramic 3 is arranged attached on the standard violin qin case 1; The low distortion that help has improved medium-high frequency in the faint sound that the sound string sends amplifies, to play the sound that sends melodious more mellow and full melodious.
Adopted the piezoelectric ceramic violin loud speaker of the said structure of the utility model; Owing to use standard violin qin case 1 vibrating membrane (being commonly called as paper disc) as the loud speaker that common people knew; Used the good high frequency output frequency response effect of piezoelectric ceramic 3 simultaneously; Simultaneously because piezoelectric ceramic 3 is extremely thin; Only need with posting it on the panel 4 of standard violin qin case 1 or on the back side 5 of panel 4 through pole 8, fully use the centuries people, just can accomplish particularly medium-high frequency signal of signal that the amplification of low distortion ground transmits various sound the effect that the sound string sends the resonant tank that the amplification of faint sound does.
Claims (2)
1. piezoelectric ceramic violin loud speaker; It is characterized in that forming by the piezoelectric ceramic (3) of standard violin qin case (1), tape input end (2), the panel (4) that said piezoelectric ceramic (3) is bonded in standard violin qin case (1) with pole (8) go up or the back side (5) of panel (4) on.
2. according to the said piezoelectric ceramic violin of claim 1 loud speaker; It is characterized in that said piezoelectric ceramic (3) is bonded in the fingerboard (6) and the panel (4) between the chord-drawing plate (7) of standard violin qin case (1), perhaps is bonded on the back side (5) of the panel (4) between fingerboard (6) and the chord-drawing plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203714541U CN202231846U (en) | 2011-09-28 | 2011-09-28 | Piezoelectric ceramic violin loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203714541U CN202231846U (en) | 2011-09-28 | 2011-09-28 | Piezoelectric ceramic violin loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202231846U true CN202231846U (en) | 2012-05-23 |
Family
ID=46082418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203714541U Expired - Fee Related CN202231846U (en) | 2011-09-28 | 2011-09-28 | Piezoelectric ceramic violin loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202231846U (en) |
-
2011
- 2011-09-28 CN CN2011203714541U patent/CN202231846U/en not_active Expired - Fee Related
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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: 20120523 Termination date: 20150928 |
|
| EXPY | Termination of patent right or utility model |