TWI511581B - Loudspeaker - Google Patents
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- TWI511581B TWI511581B TW098126856A TW98126856A TWI511581B TW I511581 B TWI511581 B TW I511581B TW 098126856 A TW098126856 A TW 098126856A TW 98126856 A TW98126856 A TW 98126856A TW I511581 B TWI511581 B TW I511581B
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Description
本發明涉及一種揚聲器，尤其涉及一種電動式揚聲器。 The present invention relates to a speaker, and more particularly to an electric speaker.
電動式揚聲器之工作過程為將一音頻電信號輸入揚聲器中之音圈引線，該音圈引線進而將該音頻電信號輸入揚聲器之音圈中，該音圈便在磁場之作用下振動並推動與其連接之振動膜做相應之活塞式運動，進而推動周圍空氣振動，發出聲波。 The working process of the electric speaker is to input an audio electric signal into the voice coil lead in the speaker, and the voice coil lead further inputs the audio electric signal into the voice coil of the speaker, and the voice coil vibrates and pushes under the action of the magnetic field. The connected diaphragm acts as a corresponding piston motion, which in turn pushes the surrounding air to vibrate and emit sound waves.
然，先前技術中揚聲器所採用之音圈引線結構大多數為由多根金屬導線絞合在一起形成之導線，當音圈在振動過程中，該音圈引線也相應發生反復彎折，然而金屬之抗疲勞性能較差，故其在反復彎折之過程中容易發生疲勞斷裂，進而影響整個揚聲器之正常工作，使揚聲器之使用壽命較短。 However, the voice coil lead structure used in the prior art speakers is mostly a wire formed by twisting together a plurality of metal wires. When the voice coil is vibrating, the voice coil lead is repeatedly bent, but the metal is broken. The anti-fatigue performance is poor, so it is prone to fatigue fracture during repeated bending, which affects the normal operation of the entire speaker, and the service life of the speaker is short.
有鑒於此，提供一種具有較高抗疲勞斷裂性能音圈引線之揚聲器實為必要。 In view of this, it is necessary to provide a speaker with a high fatigue fatigue resistance voice coil lead.
一種揚聲器，其包括：一磁路系統，該磁路系統包括一磁間隙；一振動系統，該振動系統包括一振膜、一音圈骨架、一音圈及一音圈引線，所述音圈骨架設置於所述磁間隙中，所述音圈螺旋纏繞並固定於該音圈骨架，所述音圈引線包括第一端和第二端，該第一端與該音圈電連接，所述振膜包括一外邊和一內邊，其內邊 固定於所述音圈骨架；及一支撐輔助系統，該支撐輔助系統包括一用於容納振膜之框架，該框架包括第一端和第二端，其第一端固定於磁路結構，且所述振膜之外邊固定在該框架之第二端，該框架上設置有一接線柱，所述音圈引線之第二端與該接線柱連接，其中，該音圈引線由至少一奈米碳管線狀結構組成，該奈米碳管線狀結構包括複數奈米碳管。 A speaker comprising: a magnetic circuit system comprising a magnetic gap; a vibration system comprising a diaphragm, a voice coil skeleton, a voice coil and a voice coil lead, the voice coil a skeleton is disposed in the magnetic gap, the voice coil is spirally wound and fixed to the voice coil bobbin, the voice coil lead includes a first end and a second end, the first end is electrically connected to the voice coil, The diaphragm includes an outer edge and an inner edge, and the inner side thereof Fixed to the voice coil bobbin; and a support assisting system, the support assisting system includes a frame for accommodating the diaphragm, the frame including a first end and a second end, the first end of which is fixed to the magnetic circuit structure, and The outer side of the diaphragm is fixed to the second end of the frame, the frame is provided with a binding post, and the second end of the voice coil lead is connected to the binding post, wherein the voice coil lead is made of at least one nanometer carbon A pipeline-like structure consisting of a plurality of carbon nanotube-like structures including a plurality of carbon nanotubes.
相較於先前技術，本發明之揚聲器具有以下優點：由於該揚聲器所採用之音圈引線由至少一奈米碳管線狀結構組成，該奈米碳管線狀結構具有較高之強度，較好之柔性及較高之耐彎折性能，故使用該奈米碳管線狀結構可有效提高整個音圈引線之強度及耐彎折性能，使該音圈引線不易發生斷裂，從而延長了揚聲器之工作壽命。 Compared with the prior art, the speaker of the present invention has the following advantages: since the voice coil lead used in the speaker is composed of at least one nano carbon line structure, the nano carbon line structure has higher strength, preferably Flexible and high resistance to bending, so the use of the nano carbon line structure can effectively improve the strength and bending resistance of the entire voice coil lead, making the voice coil lead less prone to breakage, thus extending the working life of the speaker .
10，20‧‧‧揚聲器 10,20‧‧‧Speakers
100，200‧‧‧音圈引線 100,200‧‧‧ voice coil leads
102‧‧‧奈米碳管線狀結構 102‧‧‧Nano carbon pipeline structure
1020‧‧‧奈米碳管線 1020‧‧‧Nano carbon pipeline
111‧‧‧中心孔 111‧‧‧ center hole
12，22‧‧‧磁路系統 12,22‧‧‧ Magnetic circuit system
121，221‧‧‧導磁下板 121,221‧‧‧magnetic lower plate
122，222‧‧‧磁體 122,222‧‧‧ magnet
123，223‧‧‧導磁芯柱 123,223‧‧‧magnetic core column
124，224‧‧‧磁間隙 124,224‧‧‧magnetic gap
125，225‧‧‧導磁上板 125,225‧‧‧Magnetic upper plate
14，24‧‧‧振動系統 14,24‧‧‧Vibration system
142，242‧‧‧振膜 142, 242‧‧ ‧ diaphragm
143，243‧‧‧定心支片 143, 243 ‧ ‧ centering piece
144，244‧‧‧音圈骨架 144,244‧‧‧ voice coil skeleton
146，246‧‧‧音圈 146,246‧‧‧ voice coil
16，26‧‧‧支撐輔助系統 16,26‧‧‧Support Auxiliary System
162，262‧‧‧框架 162,262‧‧‧ framework
164，264‧‧‧接線柱 164,264‧‧‧ binding posts
2021‧‧‧奈米碳管 2021‧‧‧Nanocarbon tube
203‧‧‧導電結構 203‧‧‧Electrical structure
2031‧‧‧潤濕層 2031‧‧‧ Wetting layer
2032‧‧‧過渡層 2032‧‧‧Transition layer
2033‧‧‧導電層 2033‧‧‧ Conductive layer
2034‧‧‧抗氧化層 2034‧‧‧Antioxidant layer
圖1係本發明第一實施例揚聲器之結構示意圖。 1 is a schematic structural view of a speaker according to a first embodiment of the present invention.
圖2係圖1中之揚聲器之剖視結構示意圖。 2 is a cross-sectional structural view of the speaker of FIG. 1.
圖3及圖4係本發明第一實施例揚聲器中音圈引線中奈米碳管線狀結構之結構示意圖。 3 and 4 are schematic views showing the structure of a nanocarbon line-like structure in a voice coil lead in a speaker according to a first embodiment of the present invention.
圖5係本發明第一實施例揚聲器音圈引線中非扭轉之奈米碳管線掃描電鏡照片。 Figure 5 is a scanning electron micrograph of a non-twisted nanocarbon line in a speaker voice coil lead of the first embodiment of the present invention.
圖6係本發明第一實施例揚聲器音圈引線中扭轉之奈米碳管線掃描電鏡照片。 Fig. 6 is a scanning electron micrograph of a twisted nanocarbon line in a speaker voice coil lead according to a first embodiment of the present invention.
圖7係本發明第二實施例揚聲器之結構示意圖。 Figure 7 is a schematic view showing the structure of a speaker according to a second embodiment of the present invention.
圖8係本發明第二實施例包覆有導電結構之奈米碳管結構示意圖。 Fig. 8 is a schematic view showing the structure of a carbon nanotube coated with a conductive structure according to a second embodiment of the present invention.
以下將結合附圖詳細說明本發明實施例之揚聲器。 Hereinafter, a speaker of an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
請參閱圖1及圖2，本發明第一實施例提供一種揚聲器10，該揚聲器10包括一磁路系統12、一振動系統14及一支撐輔助系統16。 Referring to FIG. 1 and FIG. 2, a first embodiment of the present invention provides a speaker 10 that includes a magnetic circuit system 12, a vibration system 14, and a support assist system 16.
所述磁路系統12包括一導磁下板121、一導磁上板125、一磁體122及一導磁芯柱123，所述磁體122相對之兩端分別由同心設置之導磁下板121及導磁上板125所夾持。所述導磁上板125及磁體122均為環狀結構，所述導磁上板125及磁體122在所述磁路系統12中圍成一柱形空間。所述導磁芯柱123容置於所述柱形空間，其自所述導磁下板121往導磁上板125延伸而且與所述磁體122形成一環形磁間隙124。 The magnetic circuit system 12 includes a magnetically permeable lower plate 121, a magnetically permeable upper plate 125, a magnet 122, and a magnetic core post 123. The opposite ends of the magnet 122 are concentrically disposed by the magnetically permeable lower plate 121. And the magnetic conductive upper plate 125 is clamped. The magnetically permeable upper plate 125 and the magnet 122 are both annular structures, and the magnetically permeable upper plate 125 and the magnet 122 enclose a cylindrical space in the magnetic circuit system 12. The magnetic core block 123 is received in the cylindrical space, and extends from the magnetic conductive lower plate 121 to the magnetic conductive upper plate 125 and forms an annular magnetic gap 124 with the magnet 122.
所述振動系統14包括一振膜142、一音圈骨架144、一音圈146、一定心支片143及一音圈引線100，所述音圈骨架144設置於所述磁間隙124中並可上下自由活動，所述音圈146螺旋纏繞並固定於該音圈骨架144上，所述音圈引線100包括第一端和第二端(圖未示)，該第一端與該音圈146電連接，所述振膜142包括外邊和內邊(圖未示)，其內邊固定於所述音圈骨架144。所述定心支片143之一端固定於所述音圈骨架144上。 The vibration system 14 includes a diaphragm 142, a voice coil bobbin 144, a voice coil 146, a centering piece 143, and a voice coil lead 100. The voice coil bobbin 144 is disposed in the magnetic gap 124. Freely moving up and down, the voice coil 146 is spirally wound and fixed on the voice coil bobbin 144. The voice coil lead 100 includes a first end and a second end (not shown), the first end and the voice coil 146 Electrically connected, the diaphragm 142 includes an outer edge and an inner edge (not shown), the inner side of which is fixed to the voice coil bobbin 144. One end of the centering piece 143 is fixed to the voice coil bobbin 144.
所述支撐輔助系統16包括一用於容納所述振動系統14之框架162，該框架162可為一錐體結構，其具有一中心孔111用於套設所述磁路系統12，該框架162包括第一端和第二端(圖未示)，該第一 端固定於磁體122。此外，所述定心支片143之另一端固定於該框架162之第一端，所述振膜142之外邊固定在該框架162之第二端，且該框架162上設置有一接線柱164。所述音圈引線100之第二端與該接線柱164連接。 The support assist system 16 includes a frame 162 for receiving the vibration system 14, and the frame 162 can be a pyramidal structure having a central bore 111 for nesting the magnetic circuit system 12, the frame 162 Including a first end and a second end (not shown), the first The end is fixed to the magnet 122. In addition, the other end of the centering piece 143 is fixed to the first end of the frame 162, the outer side of the diaphragm 142 is fixed to the second end of the frame 162, and the frame 162 is provided with a binding post 164. The second end of the voice coil lead 100 is connected to the terminal 164.
進一步地，本發明實施例中之音圈引線100也可首先固定於所述振膜142之表面，之後再從其在所述振膜142之固定位置處延伸至所述接線柱164。該音圈引線100可通過粘結劑粘結於所述振膜142表面，也可在振膜142上設置一卡槽(圖未示)以固定所述音圈引線100。該音圈引線100之第二端可採用任意方式與所述接線柱164電連接，如將一短金屬線與該接線柱164之導電部位焊接，之後將該金屬線與所述音圈引線100通過導電粘結劑粘結在一起，或者將該音圈引線100直接通過導電粘結劑與所述接線柱164實現電連接。 Further, the voice coil lead 100 in the embodiment of the present invention may also be first fixed to the surface of the diaphragm 142 and then extended from the fixed position of the diaphragm 142 to the terminal 164. The voice coil lead 100 may be bonded to the surface of the diaphragm 142 by an adhesive, or a card slot (not shown) may be disposed on the diaphragm 142 to fix the voice coil lead 100. The second end of the voice coil lead 100 can be electrically connected to the terminal 164 in any manner, such as soldering a short metal wire to the conductive portion of the terminal 164, and then the metal wire and the voice coil lead 100. Bonding together by a conductive adhesive or electrically connecting the voice coil lead 100 directly to the terminal 164 via a conductive adhesive.
請參閱圖3及圖4，所述音圈引線100由至少一奈米碳管線狀結構102組成。所述奈米碳管線狀結構102包括複數通過凡德瓦爾力首尾相連之奈米碳管，該奈米碳管包括單壁奈米碳管、雙壁奈米碳管及多壁奈米碳管中之一種或多種。所述單壁奈米碳管之直徑為0.5奈米~10奈米，雙壁奈米碳管之直徑為1.0奈米~15奈米，多壁奈米碳管之直徑為1.5奈米~50奈米。該奈米碳管線狀結構102之直徑不限，其可依據實際需要而設定。在揚聲器10中，音圈引線100與音圈146連接，當音圈146在工作過程中反復振動時，與其連接之音圈引線100也相應發生反復彎折，可理解，該音圈引線10相對於音圈146具有一定之負載，故該音圈引線100之實際重量對音圈146振動之影響較大，當其重量太重時，音圈146之負載較 重，影響其正常振動，從而容易引起揚聲器10發聲失真，故，該奈米碳管線狀結構102應在滿足具有一定機械強度之前提下具有較小之直徑。本實施例中，該奈米碳管線狀結構102之直徑為10微米~50毫米。 Referring to FIGS. 3 and 4, the voice coil lead 100 is composed of at least one nano carbon line structure 102. The nanocarbon line-like structure 102 includes a plurality of carbon nanotubes connected end to end by a van der Waals force, and the carbon nanotubes include single-walled carbon nanotubes, double-walled carbon nanotubes, and multi-walled carbon nanotubes. One or more of them. The single-walled carbon nanotube has a diameter of 0.5 nm to 10 nm, the double-walled carbon nanotube has a diameter of 1.0 nm to 15 nm, and the multi-walled carbon nanotube has a diameter of 1.5 nm to 50 nm. Nano. The diameter of the nanocarbon line-like structure 102 is not limited, and it can be set according to actual needs. In the speaker 10, the voice coil lead 100 is connected to the voice coil 146. When the voice coil 146 repeatedly vibrates during operation, the voice coil lead 100 connected thereto is repeatedly bent repeatedly. It can be understood that the voice coil lead 10 is relatively opposite. The voice coil 146 has a certain load, so the actual weight of the voice coil lead 100 has a great influence on the vibration of the voice coil 146. When the weight is too heavy, the load of the voice coil 146 is relatively high. Heavy, affecting its normal vibration, and thus easily causing the speaker 10 to vocal distortion, the nanocarbon line-like structure 102 should be lifted to have a smaller diameter before it has a certain mechanical strength. In this embodiment, the nanocarbon line-like structure 102 has a diameter of 10 micrometers to 50 millimeters.
所述奈米碳管線狀結構102包括至少一奈米碳管線。請參閱圖2，當該奈米碳管線狀結構102包括複數奈米碳管線1020時，該複數奈米碳管線1020可相互平行組成束狀結構，同時，請參閱圖3，該複數奈米碳管線1020也可相互扭轉組成絞線結構。 The nanocarbon line-like structure 102 includes at least one nanocarbon line. Referring to FIG. 2, when the nanocarbon line-like structure 102 includes a plurality of nano carbon lines 1020, the plurality of nano carbon lines 1020 may be parallel to each other to form a bundle structure. Meanwhile, referring to FIG. 3, the plurality of nano carbons The lines 1020 can also be twisted to each other to form a stranded structure.
該奈米碳管線1020可為一非扭轉之奈米碳管線或扭轉之奈米碳管線。請參閱圖5，該非扭轉之奈米碳管線包括複數沿該非扭轉之奈米碳管線長度方向排列之奈米碳管，該複數奈米碳管基本相互平行，且該奈米碳管之軸向基本平行於該奈米碳管線之長度方向。具體地，該非扭轉之奈米碳管線中之複數奈米碳管通過凡德瓦爾力首尾相連。該非扭轉之奈米碳管線長度不限，直徑為0.5奈米~100微米。該非扭轉之奈米碳管線可通過將奈米碳管拉膜通過有機溶劑處理得到。具體地，將有機溶劑浸潤所述奈米碳管拉膜之整個表面，在揮發性有機溶劑揮發時產生之表面張力之作用下，奈米碳管拉膜中之相互平行之複數奈米碳管通過凡德瓦爾力緊密結合，從而使奈米碳管拉膜收縮為一非扭轉之奈米碳管線。該有機溶劑為揮發性有機溶劑，如乙醇、甲醇、丙酮、二氯乙烷或氯仿，本實施例中採用乙醇。通過有機溶劑處理之非扭轉奈米碳管線與未經有機溶劑處理之奈米碳管膜相比，比表面積減小，粘性降低。 The nanocarbon line 1020 can be a non-twisted nano carbon line or a twisted nano carbon line. Referring to FIG. 5, the non-twisted nanocarbon pipeline includes a plurality of carbon nanotubes arranged along the length direction of the non-twisted nanocarbon pipeline, the plurality of carbon nanotubes being substantially parallel to each other, and the axial direction of the carbon nanotube It is substantially parallel to the length direction of the nanocarbon line. Specifically, the plurality of carbon nanotubes in the non-twisted nanocarbon pipeline are connected end to end by Van der Waals force. The non-twisted nano carbon pipeline has an unlimited length and a diameter of 0.5 nm to 100 μm. The non-twisted nano carbon line can be obtained by treating a carbon nanotube film by an organic solvent. Specifically, the organic solvent is used to impregnate the entire surface of the carbon nanotube film, and the plurality of carbon nanotubes parallel to each other in the carbon nanotube film is exposed by the surface tension generated by the volatilization of the volatile organic solvent. Through the close combination of van der Waals force, the carbon nanotube film is shrunk into a non-twisted nano carbon line. The organic solvent is a volatile organic solvent such as ethanol, methanol, acetone, dichloroethane or chloroform, and ethanol is used in this embodiment. The non-twisted nanocarbon line treated by the organic solvent has a smaller specific surface area and a lower viscosity than the carbon nanotube film which is not treated with the organic solvent.
所述扭轉之奈米碳管線為採用一機械力將所述奈米碳管拉膜兩端 沿相反方向扭轉獲得。請參閱圖6，該扭轉之奈米碳管線包括複數繞該扭轉之奈米碳管線軸線方向螺旋排列並沿線之一端向另一端延伸之奈米碳管，該複數奈米碳管可看作沿一個確定之方向即該奈米碳管線之軸線方向延伸。具體地，該扭轉之奈米碳管線包括複數奈米碳管片段，該複數奈米碳管片段通過凡德瓦爾力首尾相連，每一奈米碳管片段包括複數相互平行並通過凡德瓦爾力緊密結合之奈米碳管。該奈米碳管片段具有任意之長度、厚度、均勻性及形狀。該扭轉之奈米碳管線長度不限，直徑為0.5奈米~100微米。進一步地，可採用一揮發性有機溶劑處理該扭轉之奈米碳管線。在揮發性有機溶劑揮發時產生之表面張力之作用下，處理後之扭轉之奈米碳管線中相鄰之奈米碳管通過凡德瓦爾力緊密結合，使扭轉之奈米碳管線之比表面積減小，密度及強度增大。 The twisted nanocarbon pipeline uses a mechanical force to pull the carbon nanotubes at both ends Torque obtained in the opposite direction. Referring to FIG. 6, the twisted nanocarbon pipeline includes a plurality of carbon nanotubes spirally arranged around the axis of the twisted nanocarbon pipeline and extending along one end of the line to the other end, and the plurality of carbon nanotubes can be regarded as A certain direction extends in the axial direction of the nanocarbon line. Specifically, the twisted nanocarbon pipeline includes a plurality of carbon nanotube segments, and the plurality of carbon nanotube segments are connected end to end by van der Waals force, and each of the carbon nanotube segments includes a plurality of parallel and through Van der Waals force Closely combined with carbon nanotubes. The carbon nanotube segments have any length, thickness, uniformity, and shape. The twisted nano carbon line is not limited in length and has a diameter of 0.5 nm to 100 μm. Further, the twisted nanocarbon line can be treated with a volatile organic solvent. Under the action of the surface tension generated by the volatilization of the volatile organic solvent, the adjacent carbon nanotubes in the twisted nanocarbon pipeline after treatment are tightly bonded by van der Waals force, so that the specific surface area of the twisted nanocarbon pipeline Decrease, increase in density and strength.
所述奈米碳管線狀結構及其製備方法請參見范守善等人於2008年11月21日公告之第I303239號台灣公告專利及於2007年7月1日公開之第200724486號台灣公開專利申請。 The nanocarbon line-like structure and the preparation method thereof are described in Taiwan Patent Publication No. I303239, published on Nov. 21, 2008, and Taiwan Patent Application No. 200724486, issued on Jul. 1, 2007.
另，當所述音圈引線100由複數奈米碳管線狀結構組成時，該奈米碳管線狀結構可相互平行併排設置組成束狀結構或相互扭轉設置組成絞線狀結構。 In addition, when the voice coil lead 100 is composed of a plurality of nano carbon line-like structures, the nano carbon line-like structures may be arranged side by side in parallel with each other to form a bundle structure or twisted to each other to form a stranded structure.
所述音圈引線100中，所述奈米碳管線狀結構102包括複數通過凡德瓦爾力首尾相連之奈米碳管，其具有較高之強度及較高之耐彎折性能，故，該奈米碳管線狀結構102可有效提高整個音圈引線10之強度及耐彎折性能，同時由於所述奈米碳管線狀結構102中包括之複數奈米碳管均沿該奈米碳管線狀結構102之軸線方向有 序排列，充分發揮了奈米碳管縱向導線性良好之優點，故該音圈引線100導電性較好，當外部音頻信號通過該音圈引線100輸入音圈146中時，利用電磁感應原理，在磁場中之音圈146便發生振動，從而推動振膜振動並發聲。可見，該音圈引線100導電性較好且耐彎折不易發生斷裂，故有助於延長使用該音圈引線100之揚聲器10之工作壽命。 In the voice coil lead 100, the nanocarbon line-like structure 102 includes a plurality of carbon nanotubes connected end to end by a van der Waals force, which has high strength and high bending resistance, so The nanocarbon line-like structure 102 can effectively improve the strength and bending resistance of the entire voice coil lead 10, and at the same time, the plurality of carbon nanotubes included in the nanocarbon line-like structure 102 are along the nanocarbon line shape. The axis of the structure 102 has The order arrangement fully utilizes the advantages of good longitudinal wire conductivity of the carbon nanotubes, so the voice coil lead 100 has good conductivity. When an external audio signal is input into the voice coil 146 through the voice coil lead 100, the principle of electromagnetic induction is utilized. The voice coil 146 in the magnetic field vibrates, thereby propelling the diaphragm to vibrate and sound. It can be seen that the voice coil lead 100 has good electrical conductivity and is resistant to bending and is not easily broken, thereby contributing to prolonging the working life of the speaker 10 using the voice coil lead 100.
請參閱圖7，本發明第二實施例提供一種揚聲器20，該揚聲器20包括一磁路系統22、一振動系統24及一支撐輔助系統26。所述磁路系統22包包括一導磁下板221、一導磁上板225、一磁體222、一導磁芯柱223及一磁間隙224；所述振動系統24包括一振膜242、一音圈骨架244、一音圈246、一定心支片243及一音圈引線200；所述支撐輔助系統26包括一用於容納所述振動系統24之框架262及設置於該框架262上之一接線柱264。 Referring to FIG. 7, a second embodiment of the present invention provides a speaker 20 that includes a magnetic circuit system 22, a vibration system 24, and a support assist system 26. The magnetic circuit system 22 includes a magnetically permeable lower plate 221, a magnetically conductive upper plate 225, a magnet 222, a magnetic conductive core 223 and a magnetic gap 224; the vibration system 24 includes a diaphragm 242, a a voice coil skeleton 244, a voice coil 246, a centering piece 243, and a voice coil lead 200; the support assisting system 26 includes a frame 262 for accommodating the vibration system 24 and one of the frames 262 Terminal 264.
所述音圈引線200由至少一奈米碳管線狀結構組成。該奈米碳管線狀結構包括複數通過凡德瓦爾力首尾相連之奈米碳管。所述奈米碳管線狀結構包括至少一奈米碳管線。當該奈米碳管線狀結構包括複數奈米碳管線時，該複數奈米碳管線可相互平行組成束狀結構或相互扭轉組成絞線結構。 The voice coil lead 200 is composed of at least one nano carbon line structure. The nanocarbon line-like structure includes a plurality of carbon nanotubes connected end to end by Van der Waals force. The nanocarbon line-like structure includes at least one nanocarbon line. When the nanocarbon line-like structure comprises a plurality of nano carbon pipelines, the plurality of nanocarbon pipelines may be parallel to each other to form a bundle structure or twisted to each other to form a stranded structure.
請參閱圖8，本實施例與上述第一實施例基本相同，其區別在於，本實施例音圈引線200之奈米碳管線狀結構(圖未示)中之奈米碳管表面包覆有一導電結構203。具體地，該導電結構203包括與奈米碳管2021表面直接結合之一潤濕層2031、設置於該潤濕層2031外之一過渡層2032、設置於該過渡層2032外之一導電層2033及設置於導電層2033外之一抗氧化層2034。 Referring to FIG. 8, the embodiment is substantially the same as the first embodiment described above, except that the surface of the carbon nanotube in the carbon nanotube-like structure (not shown) of the voice coil lead 200 of the present embodiment is coated with a surface. Conductive structure 203. Specifically, the conductive structure 203 includes a wetting layer 2031 directly coupled to the surface of the carbon nanotube 2021, a transition layer 2032 disposed outside the wetting layer 2031, and a conductive layer 2033 disposed outside the transition layer 2032. And an anti-oxidation layer 2034 disposed outside the conductive layer 2033.
由於奈米碳管2021與大多數金屬之間之潤濕性不好，故，上述潤濕層2031之作用為使導電層2033與奈米碳管2021更好之結合。形成該潤濕層2031之材料可為鐵、鈷、鎳、鈀或鈦等與奈米碳管2021潤濕性好之金屬或它們之合金，該潤濕層2031之厚度為0.1~10奈米。本實施例中，該潤濕層2031之材料為鎳，厚度約為2奈米。可理解，該潤濕層2031為可選擇結構。 Since the wettability between the carbon nanotube 2021 and most metals is not good, the above-mentioned wetting layer 2031 functions to better bond the conductive layer 2033 with the carbon nanotube 2021. The material for forming the wetting layer 2031 may be a metal such as iron, cobalt, nickel, palladium or titanium which has good wettability with the carbon nanotube 2021 or an alloy thereof. The thickness of the wetting layer 2031 is 0.1 to 10 nm. . In this embodiment, the material of the wetting layer 2031 is nickel and has a thickness of about 2 nm. It will be appreciated that the wetting layer 2031 is an optional structure.
上述過渡層2032之作用為使潤濕層2031與導電層2033更好之結合。形成該過渡層2032之材料可為與潤濕層2031材料及導電層2033材料均能較好結合之材料，該過渡層2032之厚度為0.1~10奈米。本實施例中，該過渡層2032之材料為銅，厚度為2奈米。可理解，該過渡層2032為可選擇結構。 The role of the transition layer 2032 is to better bond the wetting layer 2031 to the conductive layer 2033. The material forming the transition layer 2032 may be a material which can be well combined with the material of the wetting layer 2031 and the material of the conductive layer 2033. The thickness of the transition layer 2032 is 0.1-10 nm. In this embodiment, the material of the transition layer 2032 is copper and has a thickness of 2 nm. It will be appreciated that the transition layer 2032 is an optional structure.
上述導電層2033之作用為使奈米碳管線狀結構具有較好之導電性能。形成該導電層2033之材料可為銅、銀或金等導電性好之金屬或它們之合金，該導電層2033之厚度為0.1~20奈米。本實施例中，該導電層2033之材料為銀，厚度約為10奈米。 The above conductive layer 2033 functions to make the nanocarbon line-like structure have better electrical conductivity. The material for forming the conductive layer 2033 may be a conductive metal such as copper, silver or gold or an alloy thereof, and the conductive layer 2033 has a thickness of 0.1 to 20 nm. In this embodiment, the conductive layer 2033 is made of silver and has a thickness of about 10 nm.
上述抗氧化層2034之作用為防止在音圈引線200之製造過程中導電層2033在空氣中被氧化，從而使音圈引線200之導電性能下降。形成該抗氧化層2034之材料可為金或鉑等在空氣中不易氧化之穩定金屬或它們之合金，該抗氧化層2034之厚度為0.1奈米~10奈米。本實施例中，該抗氧化層2034之材料為鉑，厚度為2奈米。可理解，該抗氧化層2034為可選擇結構。 The role of the above-described oxidation resistant layer 2034 is to prevent the conductive layer 2033 from being oxidized in the air during the manufacture of the voice coil lead 200, thereby degrading the electrical conductivity of the voice coil lead 200. The material for forming the anti-oxidation layer 2034 may be a stable metal such as gold or platinum which is not easily oxidized in air or an alloy thereof. The anti-oxidation layer 2034 has a thickness of 0.1 nm to 10 nm. In this embodiment, the material of the oxidation resistant layer 2034 is platinum and has a thickness of 2 nm. It will be appreciated that the oxidation resistant layer 2034 is an optional structure.
經實驗測試可知，包覆導電材料之奈米碳管線狀結構之電阻率比純奈米碳管線狀結構之電阻率有所降低。該奈米碳管線狀結構之電阻率可降低到10(10-8(歐姆．米)~500(10-8(歐姆．米)。而純奈 米碳管線狀結構之電阻率為100(10-8(歐姆．米)~700(10-8(歐姆．米)。故該音圈引線200不僅具有較好之耐彎折性，還具有較好之導電性，從而使揚聲器200之靈敏度提高。 It has been experimentally tested that the resistivity of the nanocarbon line-like structure coated with the conductive material is lower than that of the pure nanocarbon line-like structure. The resistivity of the nanocarbon line-like structure can be reduced to 10 (10 -8 (ohm.m) to 500 (10 -8 (ohm.m)). The resistivity of the pure nanocarbon pipeline structure is 100 (10). -8 (ohm.m)~700 (10 -8 (ohm.m). Therefore, the voice coil lead 200 not only has better bending resistance, but also has better conductivity, thereby improving the sensitivity of the speaker 200. .
本發明實施例提供之揚聲器具有以下優點：本發明音圈引線中之奈米碳管線狀結構包括複數通過凡德瓦爾力首尾相連且沿奈米碳管線狀結構之軸線方向有序排列之奈米碳管，從而使整個音圈引線不僅具有較好之導電性，還具有較好之耐彎折性，從而延長了揚聲器之使用壽命；本發明音圈引線進一步包括一包覆於奈米碳管線狀結構中奈米碳管表面之導電結構，該導電結構可進一步提高整個音圈引線之電導率，從而提高了揚聲器之靈敏度。 The speaker provided by the embodiment of the present invention has the following advantages: the nano carbon line-like structure in the voice coil lead of the present invention includes a plurality of nanometers that are connected end to end by van der Waals force and arranged in an order along the axis of the nanocarbon line-like structure. The carbon tube, so that the entire voice coil lead not only has better conductivity, but also has better bending resistance, thereby prolonging the service life of the speaker; the voice coil lead of the present invention further includes a coating on the carbon nanotube line The conductive structure on the surface of the carbon nanotube in the structure, which further improves the electrical conductivity of the entire voice coil lead, thereby improving the sensitivity of the speaker.
綜上所述，本發明確已符合發明專利之要件，遂依法提出專利申請。惟，以上所述者僅為本發明之較佳實施方式，自不能以此限制本案之申請專利範圍。舉凡熟悉本案技藝之人士援依本發明之精神所作之等效修飾或變化，皆應涵蓋於以下申請專利範圍內。 In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.
10‧‧‧揚聲器 10‧‧‧ Speaker
100‧‧‧音圈引線 100‧‧‧ voice coil leads
12‧‧‧磁路系統 12‧‧‧ Magnetic circuit system
121‧‧‧導磁下板 121‧‧‧Magnetic lower plate
122‧‧‧磁體 122‧‧‧ magnet
123‧‧‧導磁芯柱 123‧‧‧Magnetic core column
124‧‧‧磁間隙 124‧‧‧Magnetic gap
125‧‧‧導磁上板 125‧‧‧Magnetic upper plate
14‧‧‧振動系統 14‧‧‧Vibration system
142‧‧‧振膜 142‧‧‧Densor
143‧‧‧定心支片 143‧‧‧ Centering piece
144‧‧‧音圈骨架 144‧‧‧ voice coil skeleton
146‧‧‧音圈 146‧‧ ‧ voice coil
16‧‧‧支撐輔助系統 16‧‧‧Support assist system
162‧‧‧框架 162‧‧‧Frame
164‧‧‧接線柱 164‧‧ ‧ binding posts
Claims (15)
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| TW098126856A TWI511581B (en) | 2009-08-10 | 2009-08-10 | Loudspeaker |
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| Application Number | Priority Date | Filing Date | Title |
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| TW098126856A TWI511581B (en) | 2009-08-10 | 2009-08-10 | Loudspeaker |
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| TW201106725A TW201106725A (en) | 2011-02-16 |
| TWI511581B true TWI511581B (en) | 2015-12-01 |
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| TWI573471B (en) * | 2013-09-17 | 2017-03-01 | 美律實業股份有限公司 | Flat thin speaker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4312118A (en) * | 1980-03-28 | 1982-01-26 | Cts Corporation | Method for producing speaker construction |
| US20090074228A1 (en) * | 2007-09-13 | 2009-03-19 | Harman International Industries, Incorporated | Loudspeaker cone body |
| US20090117434A1 (en) * | 2007-11-02 | 2009-05-07 | Tsinghua University | Membrane electrode assembly and method for making the same |
| US20090197082A1 (en) * | 2008-02-01 | 2009-08-06 | Tsinghua University | Individually coated carbon nanotube wire-like structure related applications |
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2009
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4312118A (en) * | 1980-03-28 | 1982-01-26 | Cts Corporation | Method for producing speaker construction |
| US20090074228A1 (en) * | 2007-09-13 | 2009-03-19 | Harman International Industries, Incorporated | Loudspeaker cone body |
| US20090117434A1 (en) * | 2007-11-02 | 2009-05-07 | Tsinghua University | Membrane electrode assembly and method for making the same |
| US20090197082A1 (en) * | 2008-02-01 | 2009-08-06 | Tsinghua University | Individually coated carbon nanotube wire-like structure related applications |
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