CN101415133A - Loudspeaker acoustic enclosure - Google Patents

Loudspeaker acoustic enclosure Download PDF

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Publication number
CN101415133A
CN101415133A CNA2007101819922A CN200710181992A CN101415133A CN 101415133 A CN101415133 A CN 101415133A CN A2007101819922 A CNA2007101819922 A CN A2007101819922A CN 200710181992 A CN200710181992 A CN 200710181992A CN 101415133 A CN101415133 A CN 101415133A
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CN
China
Prior art keywords
built
section
loudspeaker
membrane layer
vibrating membrane
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Pending
Application number
CNA2007101819922A
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Chinese (zh)
Inventor
简大为
谢荣雅
黄玮旻
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Industrial Technology Research Institute ITRI
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Industrial Technology Research Institute ITRI
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Priority to CNA2007101819922A priority Critical patent/CN101415133A/en
Publication of CN101415133A publication Critical patent/CN101415133A/en
Pending legal-status Critical Current

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Abstract

The invention provides a loudspeaker enclosure, comprising a flexible loudspeaker and an enclosure mainbody; the flexible loudspeaker comprises an electret vibration film layer; the enclosure mainbody comprises a first combination part and a second combination part which are partly connected with each other; the unconnected parts of the first combination part and the second combination part can be combined to form a solid appearance by a combination device; furthermore, the interior of the solid appearance forms a resonance space; furthermore, when not being combined by the combination device, the first combination part and the second combination part are a planar appearance; the electret vibration film layer of the flexible loudspeaker is arranged at least on the external side surface of the first combination part or the second combination part or both of the external side surfaces of the first combination part and the second combination part.

Description

Loudspeaker acoustic enclosure
Technical field
The invention relates to a kind of pliable loudspeaker and use the designed product of this loud speaker, but particularly relevant for a kind of loudspeaker acoustic enclosure with automatically restoring loudspeaker resonance space.
Background technology
In five kinds of human sense organs, the sense of hearing and vision are the hinges of civilized process, and are to want with the sense of hearing wherein.Aural reception sound is so the propagation of sound has just become suitable the key link in the human society.
The sound of the Nature is from from all directions.This is the consciousness world of nature, is the most complete, source of sound the most in many ways, also is after the mankind can catch sound, stored voice, reproduction sound, transmission sound, the world that is out for imitating.So, the loud speaker of reproduced sound, the diversification of its design has just become an important techniques problem.
For example, the sound that how to make loud speaker spread out of is more true to nature, and can meet modern compact requirement again, is the important problem of present audio engineering.In the general audiovisual studio, two loud speakers are not enough, in order to increase source of sound, add several toward about contact in the wings.Yet the light and handy of sound transmission media also is the key factor that the consumer considers.But, loud speaker is because the restriction of technology, material and relevant idea, though in the existing considerable progress of the adjustment of size, weight, but still be subject to notions such as " utensil ", " three-dimensional space ", " fixed point ", promptly think loud speaker be a kind of " utensil ", be " three-dimensional space " equipment, be " fixed point ".
How loud speaker being had breakthrough from above-mentioned idea and existing material, technology, in response to current and future world loud speaker is required lighter and handier, more convenient, many-sided, more personalized design, is one of the target in this field.
Summary of the invention
The invention reside in provides a kind of loudspeaker acoustic enclosure, comprises pliable loudspeaker and audio amplifier main body.This pliable loudspeaker comprises the electret vibrating membrane layer.And this audio amplifier main body comprises first built-up section and second built-up section, can be combined into three-dimensional external form via coupling apparatus, and its inner resonant space that forms.And not via coupling apparatus in conjunction with the time, then above-mentioned first built-up section and second built-up section are the plane external form, wherein when first built-up section and second built-up section were combined into three-dimensional external form via coupling apparatus, the electret vibrating membrane layer of this pliable loudspeaker was positioned at the outside side of first built-up section or second built-up section at least.
In the above-mentioned loudspeaker acoustic enclosure, the audio amplifier main body is formed by having soft materials, for example cloth.
In the above-mentioned loudspeaker acoustic enclosure, described coupling apparatus is a chain stretching device, by imposing external force described first joint portion is combined with second joint portion.
In the above-mentioned loudspeaker acoustic enclosure, pliable loudspeaker more comprises source of sound receiving element and conductive electrode.This source of sound receiving element is in order to receiving outside sound source signal, and this sound source signal is converted to electric potential signal.And conductive electrode is in order to connecting source of sound receiving element and electret vibrating membrane layer, sends electric potential signal to the electret vibrating membrane layer through conductive electrode thus, and sounds according to this.
Selecting in addition among the embodiment, pliable loudspeaker more comprises input port and conductive electrode.This input port is in order to receive outside electric potential signal.And conductive electrode sends electric potential signal to the electret vibrating membrane layer via conductive electrode, and sounds according to this in order to connect input port and electret vibrating membrane layer.
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Figure 1A is the schematic perspective view after the Horn loudspeaker box of the explanation embodiment of the invention is spread out.
The schematic perspective view of Figure 1B when to be that the Horn loudspeaker box of the explanation embodiment of the invention is fixing form three-dimensional external form.
Fig. 1 C is the shape after the Horn loudspeaker box of the explanation embodiment of the invention shakeouts.
Fig. 2 A is the composition of the pliable loudspeaker of the explanation embodiment of the invention.
Fig. 2 B is the composition of the pliable loudspeaker of explanation another embodiment of the present invention.
The main element symbol description
100: Horn loudspeaker box
110: the audio amplifier main body
112,114: built-up section
120A and 120B: electret vibrating membrane layer
130A and 130B: bound fraction
200,200A: pliable loudspeaker
205: sound source signal
210,210A: source of sound receiving element
212: electric potential signal
220: conductive electrode
225: the input port
230: the electret vibrating membrane layer
240: the flexible material layer
Embodiment
The invention provides a kind of Horn loudspeaker box, this Horn loudspeaker box has the pliable loudspeaker of planar structure, is fixed on the main body at least on one or more surface with soft materials.When not using this Horn loudspeaker box, the audio amplifier of this soft materials can be shakeout, so that allow accommodation space minimize.If but in use, this soft materials main body can be utilized coupling apparatus, slide fastener for example connects the different surfaces of main body and forms and have the external form of three-dimensional shape, its inside then provides pliable loudspeaker when sounding, and produces resonance and the intensity and the degree of depth of increase sound field.
Above-mentioned pliable loudspeaker is by source of sound receiving element, conductive electrode, formed with the electret vibrating membrane layer.Above-mentioned source of sound receiving element is connected with the electret vibrating membrane layer via conductive electrode.The source of sound receiving element is in order to receiving the sound source signal of outside, and this sound source signal is converted to electric potential signal, sends above-mentioned electret vibrating membrane layer to via conductive electrode.The material of electret vibrating membrane layer can be selected dielectric material (DielectricMaterials).And this dielectric material is handled and can be possessed electrostatic charge (StaticCharges) for a long time through electrification (Electrized), and can produce in electric effect at material internal through charging after.This electret vibrating membrane layer can be the made vibrating diaphragm of single or multiple lift dielectric material, and described dielectric material can be for example fluorinated ethylene propylene copolymer (FEP, fluorinated ethylenepropylene), polytetrafluoroethylene (PTFE, polytetrafluoethylene), the inferior ethene (PVDF, polyvinylidene fluride) of poly-fluorine, part fluoro containing polymers polymer (Fluorine Polymer) and other suitable materials or the like.Owing to electret vibrating membrane is that dielectric material process electrification is handled the back and can be possessed the vibrating diaphragm of electrostatic charge and piezoelectricity for a long time, behind corona charging, stay electric effect at material internal generation bipolarity electric charge (Dipolar Charges) and generation.Above-mentioned sound source signal is converted to electric potential signal, sends to behind the electret vibrating membrane layer via conductive electrode and can produce sound.The different magnitude of voltage sizes of electric potential signal then can allow these electret per unit area yields give birth to the sound of different frequency.
Select among the embodiment other one, this pliable loudspeaker can be made up of an input port, a conductive electrode and an electret vibrating membrane layer.And outside source of sound receiving element can be converted to sound source signal electric potential signal, and after being sent to conductive electrode via the input port, directly passing to the electret vibrating membrane layer and sound.
Please refer to Figure 1A~1C, mainly is explanation Horn loudspeaker box embodiment schematic diagram proposed by the invention.Figure 1A is the schematic perspective view after this Horn loudspeaker box of explanation is spread out, and Figure 1B is the schematic perspective view when this Horn loudspeaker box is described in conjunction with the three-dimensional external form of formation.And Fig. 1 C is the shape that illustrates after this Horn loudspeaker box shakeouts.
Please refer to Figure 1A, this Horn loudspeaker box 100 comprises audio amplifier main body 110 and the pliable loudspeaker with two electret vibrating membrane layer 120A and 120B.Audio amplifier main body 110 can be made up of soft materials, for example cloth or the like.And pliable loudspeaker for example comprise source of sound receiving element, conductive electrode, with the electret vibrating membrane layer, but for convenience of description, only show electret vibrating membrane layer 120A and the 120B that is fixed in audio amplifier main body 110 outer lateral side in the diagram.And the pliable loudspeaker detailed structure is described after holding again.Figure 1B is the schematic perspective view when this Horn loudspeaker box is described in conjunction with the three-dimensional external form of formation, if just when the state that uses, audio amplifier main body 110 forms has the external form of three-dimensional shape, its inside then provides pliable loudspeaker when sounding, and produces resonance and the intensity and the degree of depth of increase sound field.
Audio amplifier main body 110 comprises two built-up sections 112 and 114 that have part to connect, and this two built-up section 112 and 114 has respectively that slide fastener combines two bound fraction 130A and 130B.In order to when Horn loudspeaker box 110 need be fixed into three-dimensional external form, can see through two bound fraction 130A and combine with 130B and two built-up sections 112 and 114 are fixed.And if when not needing to use Horn loudspeaker box 110, then shown in Fig. 1 C, because built-up section 112 and 114 has part to be connected, so can shakeout the built-up section 112 and 114 of whole Horn loudspeaker box 110, to be convenient for carrying.Above-mentioned electret vibrating membrane layer 120A and 120B then lay respectively at the outside of built-up section 112 and 114.Please refer to Fig. 2 A, the composition of above-mentioned pliable loudspeaker is described.This pliable loudspeaker 200 is by source of sound receiving element 210, conductive electrode 220, form with 230 on electret vibrating membrane layer, and embeds within the flexible material layer 240, for example the audio amplifier main body be made up of soft materials of Fig. 1.Above-mentioned source of sound receiving element 210 is connected with electret vibrating membrane layer 230 via conductive electrode 220.Source of sound receiving element 210 is in order to receiving outside sound source signal 205, and this sound source signal 205 is converted to electric potential signal 212, sends electret vibrating membrane layer 230 to via conductive electrode 220.After electret vibrating membrane layer 230 is handled through electrification, and can possess the vibrating diaphragm of electrostatic charge and piezoelectricity for a long time, behind corona charging, produce the bipolarity electric charge and produce and stay electric effect at material internal.Above-mentioned sound source signal 205 is converted to electric potential signal 212, sends to behind the electret vibrating membrane layer 230 via conductive electrode 220 and can produce sound.The different magnitude of voltage sizes of electric potential signal 212 then can allow these electret per unit area yields give birth to the sound of different frequency.
Please refer to Fig. 2 B, the other embodiment that above-mentioned pliable loudspeaker is formed is described.Be in this pliable loudspeaker 200A different with Fig. 2 A comprises an input port 225.And source of sound receiving element 210A is an external device (ED), is not to be configured in the pliable loudspeaker 200A.Outside source of sound receiving element 210A can be converted to electric potential signal 212 with sound source signal 205, and after being sent to conductive electrode 220 via input port 225, directly passing to electret vibrating membrane layer 230 and sound.
In sum, the invention provides a kind of Horn loudspeaker box, this Horn loudspeaker box has the pliable loudspeaker of planar structure, is fixed on the main body at least on one or more surface with soft materials.When not using this Horn loudspeaker box, the audio amplifier of this soft materials can be shakeout, so that allow accommodation space minimize.If but in use, this soft materials main body can be utilized in conjunction with fixture, slide fastener for example, the different surfaces of main body connected and form and have the external form of three-dimensional shape, and this three-dimensional profile can be to utilize as two of above-mentioned embodiment combine a regular cube, or the triangle cube that combines by multi-disc or the like.Its inner audio amplifier then provides pliable loudspeaker when sounding, and produces resonance and the intensity and the degree of depth of increase sound field.
Though the present invention discloses as above with embodiment; right its is not in order to limiting the present invention, anyly has the knack of this skill person, without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking the claim person of defining.

Claims (7)

1. loudspeaker acoustic enclosure comprises:
One pliable loudspeaker comprises at least one electret vibrating membrane layer; And
One soft audio amplifier main body, comprise one first built-up section and one second built-up section, wherein this first built-up section and this second built-up section some interconnect, the part that this first built-up section is not connected with this second built-up section can be via a coupling apparatus, be combined into a three-dimensional external form, and its inner resonance space that forms, wherein when this first built-up section and this second built-up section are combined into three-dimensional external form via this coupling apparatus, this electret vibrating membrane layer of this pliable loudspeaker is positioned at this first built-up section or this second built-up section one outside side at least, or is positioned at the outside side of this first built-up section and this second built-up section.
2. loudspeaker acoustic enclosure as claimed in claim 1, wherein to be combined into three-dimensional external form via this coupling apparatus be a regular cube external form for this first built-up section and this second built-up section.
3. loudspeaker acoustic enclosure as claimed in claim 1, wherein this soft materials is a cloth.
4. loudspeaker acoustic enclosure as claimed in claim 1, wherein this coupling apparatus is a chain stretching device, comprise one first joint portion and one second joint portion, lay respectively at the side of this first built-up section and this second built-up section, in order to this first joint portion is combined with this second joint portion.
5. loudspeaker acoustic enclosure as claimed in claim 1, wherein this electret vibrating membrane layer is made up of dielectric material, and this dielectric material can be possessed electrostatic charge for a long time after electrification is handled, and can produce in electric effect at material internal after charging.
6. loudspeaker acoustic enclosure as claimed in claim 1, wherein this pliable loudspeaker also comprises:
One source of sound receiving element in order to receiving the sound source signal of an outside, and is converted to an electric potential signal with this sound source signal; And
One conductive electrode in order to connect this source of sound receiving element and this electret vibrating membrane layer, sends this electric potential signal to this electret vibrating membrane layer via this conductive electrode, and sounds according to this.
7. loudspeaker acoustic enclosure as claimed in claim 1, wherein this pliable loudspeaker comprises:
One input port is in order to receive the electric potential signal of an outside; And
One conductive electrode in order to connect this input port and this electret vibrating membrane layer, sends this electric potential signal to this electret vibrating membrane layer via this conductive electrode, and sounds according to this.
CNA2007101819922A 2007-10-17 2007-10-17 Loudspeaker acoustic enclosure Pending CN101415133A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2007101819922A CN101415133A (en) 2007-10-17 2007-10-17 Loudspeaker acoustic enclosure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2007101819922A CN101415133A (en) 2007-10-17 2007-10-17 Loudspeaker acoustic enclosure

Publications (1)

Publication Number Publication Date
CN101415133A true CN101415133A (en) 2009-04-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2007101819922A Pending CN101415133A (en) 2007-10-17 2007-10-17 Loudspeaker acoustic enclosure

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Country Link
CN (1) CN101415133A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108153100A (en) * 2018-02-11 2018-06-12 深圳暴风统帅科技有限公司 A kind of projection curtain device
CN108302364A (en) * 2016-08-25 2018-07-20 保时捷股份公司 Illumination component and loud speaker for motor vehicles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108302364A (en) * 2016-08-25 2018-07-20 保时捷股份公司 Illumination component and loud speaker for motor vehicles
CN108153100A (en) * 2018-02-11 2018-06-12 深圳暴风统帅科技有限公司 A kind of projection curtain device

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Open date: 20090422