CN105050008A - Full frequency speaker with parasitic diaphragms - Google Patents
Full frequency speaker with parasitic diaphragms Download PDFInfo
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- CN105050008A CN105050008A CN201410168311.9A CN201410168311A CN105050008A CN 105050008 A CN105050008 A CN 105050008A CN 201410168311 A CN201410168311 A CN 201410168311A CN 105050008 A CN105050008 A CN 105050008A
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Abstract
The invention relates to a speaker of audio equipment, and mainly refers to an electric cone diaphragm speaker and an electric patent in "Improved two-way combined speaker" and an electric flat diaphragm speaker. The full frequency speaker herein is a high power speaker which eliminates interference and distortion which is often caused by high-frequency and medium-frequency standing waves in a sound box. The full frequency speaker herein is composed of a speaker vibrating diaphragm and parasitic diaphragms, wherein the parasitic diaphragms are adhered to the surface of the speaker vibrating diaphragm such that the parasitic diaphragms can absorb the high-frequency and medium-frequency acoustic energy in the speaker vibrating diaphragm and also vibrate and produce sound at the same time with the speaker vibrating diaphragm, and the sound further converges and overlaps with the low-frequency audio sound of the speaker vibrating diaphragm so that not only low-frequency sounds, medium-frequency sounds and high-frequency sounds are completely created, but also the interference and distortion caused by the standing waves in the sound box is eliminated and the defects such as the failure of producing the high power full frequency speaker of larger than 8 inches is overcame. Therefore, the high power full frequency speaker is provided, which can easily produces a soft, mellow and full sound combining the high-frequency audio sounds, the medium-frequency audio sounds and a robust low-frequency audio sounds without the interference or distortion defects caused by the high-frequency and medium-frequency standing waves in the sound box.
Description
One, technical field
2011203115598) and electrodynamic type Flat vibrating diaphragm loudspeaker patent of the present invention relates to the loud speaker in sound appliances, mainly refers to electrodynamic type conical diaphragm loud speaker and electrodynamic type patent " the two-way unification loud speaker of the modified model " (patent No.:.
Two, background technology
In a woofer, the loud speaker of height, middle pitch frequency response can be sent again, be just called full frequency speaker.Because which saving height, middle pitch two loud speakers and the great amount of cost such as sound box bodies and frequency divider thereof, can eliminate again that this cause uses frequency divider to cause electrically and the defect such as phase distortion, audio is made to become the advantages such as more beautiful sound, so, the favor of full frequency speaker always just extremely people, Yi Shi electroacoustic circle, music sound fans pursue one of main standard of fever audio tidemark.
But because being subject to the impact of the factor such as electroacoustic design concept and loud speaker material physical and chemical performance, full frequency speaker commercially available at present still also exists following major defect, that is:
1, because of the design concept of conventional full frequency speaker, mainly be limited by the large factor of voice coil loudspeaker voice coil weight, vibrating diaphragm thickness and weight two, and the quality of this two large factor and full range audio just becomes again two pairs of contradictions, so its design and all very complicated difficulty of production method, production cost is very high.
2 so, settled the present still can only produce the small-power full frequency speaker (otherwise just there will be segmentation distortion to can't get out again high pitch) that external diameter is less than 8 cun, and market people's greater amount is badly in need of is the high-power full range loudspeaker of more than 8 cun.
3, the height of its conical diaphragm reverse side, intermediate frequency form standing wave interference distortion, and therefore cause the defect of the serious deterioration of audio index such as definition, stereovision and transparency after sound box bodies internal resonance.
Three, patent of invention content
Therefore, this patent adopts and (is called for short vibrating diaphragm at the diaphragm of loudspeaker, down together) surface arranges parasitics vibrating diaphragm and (is called for short parasitic film, lower same) structure, the aforesaid three kinds of defects of conventional full frequency speaker can be eliminated, thus can relatively simple method, machine more than the 8 cun heavy caliber high-power full range loudspeakers without height, medium-frequency standing wave interference distortion defect in sound box bodies.
Its technical scheme is: a kind of without high-power full range loudspeaker that is high in sound box bodies, medium-frequency standing wave interference distortion defect, be made up of vibrating diaphragm and parasitic film, it is characterized in that: the surface this parasitic film being pasted onto this vibrating diaphragm, make this parasitic film can absorb height, medium frequency electric acoustic energy among this vibrating diaphragm, and with this vibrating diaphragm vibration sounding and send height, intermediate frequency audio simultaneously, and then converge with the low frequency of this vibrating diaphragm itself frequency response that is superimposed as complete basic, normal, high sound and without the high-power full range loudspeaker of height, medium-frequency standing wave interference distortion defect in sound box bodies.
For the conical diaphragm in more than 8 cun high-power woofers, a kind of parasitic film full frequency speaker, parasitic film and vibrating diaphragm is used to be bonded to an entirety, thus eliminate the height of conventional full frequency speaker in sound box bodies, the method of the high-power full range loudspeaker of medium-frequency standing wave interference distortion defect is achieved in that along the dust cap of this conical diaphragm outer surface and the cone end to vertex of a cone direction, paste multiple tracks (this patent is for 8 roads) parasitic film, thus make this parasitic film can absorb the height of this vibrating diaphragm, medium frequency electric acoustic energy, and vibrate with this vibrating diaphragm simultaneously and send complete height, in, low frequency audio.Meanwhile, also can paste a kind of low-frequency parasitic film that can only send low frequency audio at the reverse side of this vibrating diaphragm, thus just both can increase the low frequency amount force-sensitive degree of this vibrating diaphragm, the defect causing high medium-frequency standing wave interference distortion in sound box bodies can be avoided again.
In addition, this parasitic film also has the function eliminating diaphragm oscillations segmentation distortion, thus can improve the audio indexs such as roundness degree, pliability, definition, makes its more beautiful sound interesting to listen to.
As can be seen here, this parasitic film can only parasitics ground from this vibrating diaphragm, absorb (eat into) electroacoustic energy could vibration sounding, therefore to be named " parasitic film ".Because this parasitic film is to the voice coil loudspeaker voice coil weight of vibrating diaphragm and vibrating diaphragm thickness, weight etc. are without any conditional request, simultaneously, optionally height can be sent, this parasitic film of intermediate frequency audio is pasted onto the front of this vibrating diaphragm, inside the reverse side that the low-frequency parasitic film that can only send low frequency audio is again pasted onto this vibrating diaphragm and sound box bodies, therefore the height of this parasitic film is just avoided, the standing wave interference distortion defect that intermediate frequency causes at sound box bodies internal resonance, so, just can machine the interior high without sound box bodies of patent of the present invention original creation more simply, the high-power full range loudspeaker of medium-frequency standing wave interference distortion defect.And in sound box bodies, significantly can increase again amount sense and the dynamics of low frequency.
Four, accompanying drawing explanation
Below in conjunction with accompanying drawing, the structure and methods for using them of this parasitic film in full frequency speaker is described further.
In Figure of description, Fig. 1 is the vertical cross-sectional of this parasitic film full frequency speaker vibrating diaphragm, and Fig. 2 is the front view of this parasitic film full frequency speaker vibrating diaphragm; Fig. 3 is the rear direction view of this parasitic film full frequency speaker vibrating diaphragm.As shown in the figure: in FIG, 1 vibrating diaphragm, 2 parasitic films, 21 (low frequency) parasitic film, 3 voice coil loudspeaker voice coils, 4 dust caps.In fig. 2,1 vibrating diaphragm, 2 parasitic films, 3 voice coil loudspeaker voice coils, 4 dust caps.In figure 3,1 vibrating diaphragm, 21 (low frequency) parasitic film, 3 voice coil loudspeaker voice coils, 4 dust caps.Fig. 4-Fig. 6 is the structural map of this parasitic film application in patent " the two-way unification loud speaker of modified model ", and Fig. 7-Figure 14 is the structural map that this parasitic film is applied in multiple Flat vibrating diaphragm loudspeaker.
As shown in Figure 1, when voice coil loudspeaker voice coil 3 has tone currents to pass through, the vibrating diaphragm 1 of woofer will vibrate and send low, in, the electroacoustic energy of high pitch frequency response, but due to the weight of this voice coil loudspeaker voice coil 3 and the thickness of this vibrating diaphragm 1 with weight is all overweight and super thick, namely bass response can only be sent, and height cannot be sent, middle pitch frequency response, therefore the height of this vibrating diaphragm 1 can only be absorbed by this parasitic film 2, sound intermediate frequency electroacoustic energy also vibration sends height, middle pitch frequency response, and then the bass response itself sent with this vibrating diaphragm 1 again converge superpose become have complete low, in, the high-power full range loudspeaker of high audio resonant effect.Meanwhile, low-frequency parasitic film 21 can significantly increase the sense of low frequency amount and dynamics again in sound box bodies.
Five, embodiment
The embodiment of this patent, be exactly first selectedly be applicable to that performance is high, the diaphragm materials of middle pitch and bass response manufacture for convenience of the parasitic film part of the height used, middle pitch and bass respectively, select the binding agent be suitable for again, paste along the front of this conical diaphragm and dust cap and the cone end to vertex of a cone direction that multiple tracks (this patent is for each 4 roads) is high, the parasitic film of intermediate frequency, multiple tracks (this patent is for 4 roads) low-frequency parasitic film is pasted again at the reverse side of this conical diaphragm,
Have employed above-mentioned parasitic film owing to arranging and coordinate processing measure, just eliminate the height of conventional full frequency speaker in sound box bodies, medium-frequency standing wave interference distortion defect, thus just can machine relatively simply without high-power full range loudspeaker that is high in sound box bodies, medium-frequency standing wave interference distortion defect, can significantly increase the sense of low frequency amount and dynamics in sound box bodies again simultaneously.
Simultaneously, the application model machine of this parasitic film in patent " the two-way unification loud speaker of modified model ", also obtain the beautiful sound effect that full range is added in the distortion of well-content sense of hearing zero, its Figure of description is as shown in Fig. 4-Fig. 6, wherein: Fig. 4 is the vertical cross-sectional of this two-way full frequency speaker, Fig. 5 is the front view of this two-way full frequency speaker; Fig. 6 is the rear direction view of this two-way full frequency speaker.In the diagram, 1 vibrating diaphragm, 2-21 parasitic film, 3 voice coil loudspeaker voice coils.In Figure 5,1 vibrating diaphragm, 2 parasitic films.In figure 6,1 vibrating diaphragm, 21 parasitic films, 3 voice coil loudspeaker voice coils.
In addition, as previously mentioned, the parasitic film of patent of the present invention, have more the function eliminating diaphragm oscillations segmentation distortion, mellow and full beautifulization audio, therefore, this parasitic film is also more suitable in distortion factor Flat vibrating diaphragm loudspeaker that is larger, the just poor very ear-piercing unpleasant to hear various shapes again of two ends frequency response spy, now applies parasitic film mode for the Flat vibrating diaphragm loudspeaker of 3 kinds of profiles and is respectively described below, its Figure of description as shown in Fig. 7 mono-Figure 14, Qi Zhongyou:
One, parasitic film application mode is pasted in the two-sided use of circular Flat vibrating diaphragm loudspeaker, and as shown in Fig. 7 mono-Fig. 9, wherein: Fig. 7 is its vertical cross-sectional, Fig. 8 is its front view; Fig. 9 is direction view thereafter.In the figure 7,1 vibrating diaphragm, 2-21 parasitic film, 3 voice coil loudspeaker voice coils.In fig. 8,1 vibrating diaphragm, 2 parasitic films.In fig .9,1 vibrating diaphragm, 21 parasitic films, 3 voice coil loudspeaker voice coils.
Two, parasitic film application mode is pasted in the two-sided use of track type Flat vibrating diaphragm loudspeaker, and as shown in Figure 10-Figure 12, wherein: Figure 10 is its vertical cross-sectional, Figure 11 is its front view; Figure 12 is direction view thereafter.In Fig. 10,1 vibrating diaphragm, 2-21 parasitic film, 3 voice coil loudspeaker voice coils.In fig. 11,1 vibrating diaphragm, 2 parasitic films.In fig. 12,1 vibrating diaphragm, 21 parasitic films, 3 voice coil loudspeaker voice coils.
Three, parasitic film application mode is pasted in the two-sided use of square plate vibrating membrane loudspeaker, as shown in Figure 10, Figure 13, Figure 14, wherein: because its vertical cross-sectional is identical with the vertical cross-sectional of track type panel speaker, i.e. Figure 10, therefore replacing as its vertical cross-sectional using Figure 10, Figure 13 is its front view; Figure 14 is direction view thereafter.In Fig. 10,1 vibrating diaphragm, 2-21 parasitic film, 3 voice coil loudspeaker voice coils.In fig. 13,1 vibrating diaphragm, 2 parasitic films.In fig. 14,1 vibrating diaphragm, 21 parasitic films, 3 voice coil loudspeaker voice coils.
Claims (5)
1., without a high-power full range loudspeaker that is high in sound box bodies, medium-frequency standing wave interference distortion defect, be made up of the diaphragm of loudspeaker and parasitic film, it is characterized in that: positive and negative two faces this parasitic film being pasted onto this diaphragm of loudspeaker.
2. when parasitic film full frequency speaker structure according to claim 1 is applied to patent " the two-way unification loud speaker of modified model ", it is characterized in that: paste this parasitic film at positive and negative two faces of this modified model two-way unification diaphragm of loudspeaker.
3. when parasitic film full frequency speaker structure according to claim 1 is applied to Flat vibrating diaphragm loudspeaker, it is characterized in that: paste this parasitic film at positive and negative two faces of the circular plate diaphragm of this Flat vibrating diaphragm loudspeaker.
4. parasitic film full frequency speaker according to claim 3, is characterized in that: paste this parasitic film at positive and negative two faces of this Flat vibrating diaphragm loudspeaker track type vibrating diaphragm.
5. parasitic film full frequency speaker according to claim 3, is characterized in that: paste this parasitic film at positive and negative two faces of this Flat vibrating diaphragm loudspeaker square plate vibrating diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410168311.9A CN105050008A (en) | 2014-04-19 | 2014-04-19 | Full frequency speaker with parasitic diaphragms |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410168311.9A CN105050008A (en) | 2014-04-19 | 2014-04-19 | Full frequency speaker with parasitic diaphragms |
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| CN105050008A true CN105050008A (en) | 2015-11-11 |
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| CN201410168311.9A Pending CN105050008A (en) | 2014-04-19 | 2014-04-19 | Full frequency speaker with parasitic diaphragms |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106937225A (en) * | 2017-04-17 | 2017-07-07 | 维沃移动通信有限公司 | A kind of horn structure and mobile terminal |
| CN110572742A (en) * | 2019-09-10 | 2019-12-13 | 广州安衡电子科技有限公司 | non-equidistant full-frequency sound amplification processing method and system |
-
2014
- 2014-04-19 CN CN201410168311.9A patent/CN105050008A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106937225A (en) * | 2017-04-17 | 2017-07-07 | 维沃移动通信有限公司 | A kind of horn structure and mobile terminal |
| CN106937225B (en) * | 2017-04-17 | 2019-12-24 | 维沃移动通信有限公司 | Horn structure and mobile terminal |
| CN110572742A (en) * | 2019-09-10 | 2019-12-13 | 广州安衡电子科技有限公司 | non-equidistant full-frequency sound amplification processing method and system |
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