CN101695146B - Dual-drive speaker - Google Patents
Dual-drive speaker Download PDFInfo
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- CN101695146B CN101695146B CN 200910035698 CN200910035698A CN101695146B CN 101695146 B CN101695146 B CN 101695146B CN 200910035698 CN200910035698 CN 200910035698 CN 200910035698 A CN200910035698 A CN 200910035698A CN 101695146 B CN101695146 B CN 101695146B
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Abstract
The invention relates to a dual-drive speaker which comprises a U iron, a basin bracket, a magnet, a magnetic pole core, a voice coil, a positioning support chip and a membrane type cone, wherein the positioning support chip comprises a first positioning support chip and a second positioning support chip which are symmetrical, two ends of the first positioning support chip and the second positioning support chip are respectively provided with two first positioning half rings and two second positioning half rings; the two first positioning half rings are connected by a first connecting body, two ends of the first connecting body outwards extend to form two first terminals; the two second positioning half rings are connected by a second connecting body, two ends of the second connecting body outwards extend to form two second terminals; the top of the voice coil is tightly jointed with the lower surfaces of the first positioning half rings and the second positioning half rings; the lower surface of the membrane type cone is tightly jointed with the upper surfaces of the first positioning half rings and the second positioning half rings, and the lower surfaces of the first connecting body and the second connecting body are tightly jointed with the upper surface of the outer edge of the basin bracket. The invention has skillful and reasonable structure, stable work, thin structure and less distortion.
Description
Technical field
The invention belongs to the electroacoustic techniques field, relate to a kind of loud speaker, specifically a kind of dual-drive speaker.
Background technology
In the prior art; Be applied to the loud speaker of plate video equipments such as LCD, PDP, generally adopt taper film-type sound basin to cooperate the structure of locating branch slice, offer centre bore at the center of taper film-type sound basin; The locating branch slice that is provided with centre bore equally is arranged on the below of film-type sound basin; Voice coil loudspeaker voice coil penetrates the centre bore of film-type sound basin and locating branch slice, is combined closely on the outer wall of voice coil loudspeaker voice coil in the center and the locating branch slice center of film-type sound basin, forms the vibrational system of loud speaker; But this structure collectivity aspect ratio is thicker, is not suitable for requiring thin more panel TV product to use.And be applied to the Microspeaker product in the products such as mobile phone, and have directly to be fixed on the design on the film-type sound basin to voice coil loudspeaker voice coil, move up and down at magnetic gap through the magnetic circuit drive voice coils; Voice coil loudspeaker voice coil promotes film-type sound basin radiate sound, though that this structure can guarantee that without locating branch slice loud speaker is done is very thin, but owing to voice coil loudspeaker voice coil only depends on film-type sound basin self rigidity and damping to locate; Make loud speaker in input film-type sound basin self deformation during large-signal; Cause loudspeaker voice coil touching magnetic gap, produce abnormal sound, loudspeaker distortions is strengthened; Even can't work, this technology can't satisfy high-power, the high tone quality requirement of panel TV with loud speaker.
Summary of the invention
The objective of the invention is to the above-mentioned deficiency that exists in the prior art, provide a kind of structure ingenious rationally, adopt the dual-drive speaker of novel location sheet-supporting structure, this loud speaker adopts two magnetic circuits to drive film-type sound basin, and structure is thinner.
According to technical scheme provided by the invention, said dual-drive speaker comprises U iron, basin frame, magnet, magnetic pole core, voice coil loudspeaker voice coil, locating branch slice and film-type sound basin, and two ends, basin frame bottom are provided with two mesopores, and each mesopore internal fixation is installed a U iron; Magnet and magnetic pole core are installed in the U iron, and magnet lower surface and U iron bottom interior surface are combined closely, and the magnet upper surface magnetic pole core of combining closely has certain magnetic gap between the inwall of the outer wall of magnet and magnetic pole core and U iron; Voice coil loudspeaker voice coil is looped around around magnet and the magnetic pole core, and the outer wall of the inwall of voice coil loudspeaker voice coil and magnet and magnetic pole core leaves the gap, and the inwall of the outer wall of voice coil loudspeaker voice coil and U iron leaves the space equally; It is characterized in that said locating branch slice is made up of first locating branch slice and second locating branch slice of two symmetries, the two ends of first locating branch slice, second locating branch slice are respectively equipped with two first location half-turns, the second location half-turn; Two first location half-turns connect through first connector, and the first connector two ends stretch out, and form two the first terminals; Two second location half-turns connect through second connector, and the second connector two ends stretch out, and form two second terminals; The voice coil loudspeaker voice coil shape is corresponding with the shape that the first location half-turn, second of symmetry combination is located half-turn; The lower surface of the voice coil loudspeaker voice coil top and the first location half-turn, the second location half-turn is combined closely, and the both positive and negative polarity of voice coil leads is connected conducting with the first location half-turn, the second location half-turn respectively; The upper surface of the film-type sound basin lower surface and first connector, second connector is combined closely, and the upper surface of the lower surface of first connector, second connector and basin frame outer rim is combined closely; Audio signal moves up and down in magnetic gap through the first terminal, the second terminal drive voice coils, promotes film-type sound basin vibration sounding.
Said film-type sound basin lower surface is provided with the convex tendon of downward protrusion, and the convex tendon shape is corresponding with the shape of first connector, second connector, and the upper surface of the lower surface of convex tendon and first connector, second connector is combined closely.
Said U iron is that section is the conductive magnetic yoke of U type, and its bottom offers through hole, and the heat that through hole produces when being used for speaker operation distributes.
As further improvement of the present invention, said locating branch slice adopts the elastomeric material of conduction to make; Preferred beryllium copper or the phosphor-copper of adopting.
As further improvement of the present invention, said basin frame adopts insulation and has the easy-formation material of certain intensity; The preferred plastics that adopt.
As further improvement of the present invention, said film-type sound basin adopts has good mechanicalness and electrical insulating property, and high temperature resistant, low temperature, wear-resisting thin-film material are made, and preferably adopt polyester film material.
The present invention compared with prior art, advantage is: structure is ingenious rationally, novel location such as is propped up sheet and has good springiness, antifatigue, can conduct electricity at characteristics, first, second terminal on the locating branch slice plays the effect of conventional loudspeakers terminal block; Between voice coil loudspeaker voice coil and the locating branch slice, combine closely between locating branch slice and the film-type sound basin; Voice coil loudspeaker voice coil touches magnet or magnetic pole core when avoiding speaker operation in magnetic gap; Limited the transverse movement of film-type sound basin, guaranteed the stability of voice coil loudspeaker voice coil, under the prerequisite of structure slimming in magnetic gap work; Effectively reduce the distortion phenomenon when loud speaker is imported large-signal, strengthened the reliability of loud speaker.
Description of drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is the decomposition texture sketch map of Fig. 1.
Fig. 3 is the structural representation of locating branch slice among Fig. 2.
Fig. 4 is that A-A among Fig. 1 is to profile.
Fig. 5 is that B-B among Fig. 1 is to profile.
Fig. 6 is one of three-dimensional cutaway view of voice coil loudspeaker voice coil, locating branch slice and film-type sound basin combination situation.
Fig. 7 is two of voice coil loudspeaker voice coil, locating branch slice and the film-type sound basin three-dimensional cutaway view that combines situation.
Description of reference numerals: 1-U iron, 2-basin frame, 3-magnet, 4-magnetic pole core, 5-voice coil loudspeaker voice coil, 6-locating branch slice, 6a-first locating branch slice, the 6a1-first location half-turn, 6a2-first connecting plate, 6a3-the first terminal, 6b-second locating branch slice, the 6b1-second location half-turn, 6b2-second connecting plate, 6b3-second terminal, 7-film-type sound basin, 8-convex tendon, 9-mesopore, 10-through hole.
Embodiment
Below in conjunction with concrete accompanying drawing and embodiment the present invention is further described.
As shown in the figure; The present invention mainly is made up of U iron 1, basin frame 2, magnet 3, magnetic pole core 4, voice coil loudspeaker voice coil 5, locating branch slice 6 and film-type sound basin 7; Wherein, U iron 1, magnet 3, magnetic pole core 4 and voice coil loudspeaker voice coil 5 respectively have two, and basin frame 2, locating branch slice 6 and film-type sound basin 7 respectively are one.
Like Fig. 1～shown in Figure 6, two ends, basin frame 2 bottom are provided with two mesopores 9, and each mesopore 9 internal fixation is installed a U iron 1; Magnet 3 and magnetic pole core 4 are installed in the U iron 1, and magnet 3 lower surfaces and U iron 1 bottom interior surface are combined closely, and the magnet 3 upper surfaces magnetic pole core 4 of combining closely has certain magnetic gap between the outer wall of magnet 3 and magnetic pole core 4 and the inwall of U iron 1; Voice coil loudspeaker voice coil 5 is looped around around magnet 3 and the magnetic pole core 4, and the outer wall of the inwall of voice coil loudspeaker voice coil 5 and magnet 3 and magnetic pole core 4 leaves the gap, and the inwall of the outer wall of voice coil loudspeaker voice coil 5 and U iron 1 leaves the space equally.
As shown in Figure 3, said locating branch slice 6 is made up of the first locating branch slice 6a and the second locating branch slice 6b of two symmetries, and the two ends of the first locating branch slice 6a, the second locating branch slice 6b are respectively equipped with two first location half-turn 6a1, the second location half-turn 6b1; Two first location half-turn 6a1 connect through the first connector 6a2, and the first connector 6a2 two ends stretch out, and form two the first terminal 6a3; Two second location half-turn 6b1 connect through the second connector 6b2, and the second connector 6b2 two ends stretch out, and form two second terminal 6b3; Voice coil loudspeaker voice coil 5 shapes are corresponding with the shape that the first location half-turn 6a1, second of symmetry combination locatees half-turn 6b1; The lower surface of voice coil loudspeaker voice coil 5 tops and the first location half-turn 6a1, the second location half-turn 6b1 is combined closely, and the both positive and negative polarity of voice coil loudspeaker voice coil 5 lead-in wires is connected conducting with the first location half-turn 6a1, the second location half-turn 6b1 respectively; Film-type sound basin 7 lower surfaces are provided with the convex tendon 8 of downward protrusion; Convex tendon 8 shapes are corresponding with the shape of the first connector 6a2, the second connector 6b2; The upper surface of the lower surface of convex tendon 8 and the first connector 6a2, the second connector 6b2 is combined closely, and the upper surface of the lower surface of the first connector 6a2, the second connector 6b2 and basin frame 2 outer rims is combined closely; Audio signal moves up and down in magnetic gap through the first terminal 6a3, the second terminal 6b3 drive voice coils 5, promotes film-type sound basin 7 vibration soundings.
Said U iron 1 is that section is the conductive magnetic yoke of U type, and its bottom offers through hole 10, and the heat that through hole 10 produces when being used for speaker operation distributes.
Said locating branch slice 6 adopts the elastomeric material of conduction to make, and preferably adopts beryllium copper or phosphor-copper.The first terminal 6a3 on the locating branch slice 6, the second terminal 6b3 play the effect of conventional loudspeakers terminal block.The first location half-turn 6a1 among the positive pole of voice coil loudspeaker voice coil 5 and the first locating branch slice 6a is connected conducting; The second location half-turn 6b1 among the negative pole of voice coil loudspeaker voice coil 5 and the second locating branch slice 6b is connected conducting; At this moment, the first terminal 6a3 is the positive pole of loud speaker, and the second terminal 6b3 is the negative pole of loud speaker.In like manner; If the first location half-turn 6b1 among the positive pole of voice coil loudspeaker voice coil 5 and the second locating branch slice 6b is connected conducting, second among the negative pole of voice coil loudspeaker voice coil 5 and the second locating branch slice 6a locatees half-turn 6a1 and is connected conducting, at this moment; The first terminal 6b3 is the positive pole of loud speaker, and the second terminal 6a3 is the negative pole of loud speaker.
Said basin frame 2 adopts insulation and has the easy-formation material of certain intensity, preferably adopts plastics.Under film-type sound basin 7 adopt and have good mechanicalness and electrical insulating property, high temperature resistant, low temperature, wear-resisting thin-film material are made, and preferably adopt polyester film material.
Claims (4)
1. dual-drive speaker comprises U iron (1), basin frame (2), magnet (3), magnetic pole core (4), voice coil loudspeaker voice coil (5), locating branch slice (6) and film-type sound basin (7), and two ends, basin frame (2) bottom are provided with two mesopores (9), and each mesopore (9) internal fixation is installed a U iron (1); Magnet (3) and magnetic pole core (4) are installed in the U iron (1), and magnet (3) lower surface and U iron (1) bottom interior surface are combined closely, and magnet (3) the upper surface magnetic pole core (4) of combining closely has certain magnetic gap between the outer wall of magnet (3) and magnetic pole core (4) and the inwall of U iron (1); Voice coil loudspeaker voice coil (5) is looped around magnet (3) and magnetic pole core (4) on every side; The outer wall of the inwall of voice coil loudspeaker voice coil (5) and magnet (3) and magnetic pole core (4) leaves the gap; The inwall of the outer wall of voice coil loudspeaker voice coil (5) and U iron (1) leaves the space equally and it is characterized in that; Said locating branch slice (6) is made up of first locating branch slice (6a) and second locating branch slice (6b) of two symmetries, and the two ends of first locating branch slice (6a), second locating branch slice (6b) are respectively equipped with two first location half-turns (6a1), the second location half-turn (6b1); Two first location half-turns (6a1) connect through first connector (6a2), and first connector (6a2) two ends stretch out, and form two the first terminals (6a3); Two second location half-turns (6b1) connect through second connector (6b2), and second connector (6b2) two ends stretch out, and form two second terminals (6b3); Voice coil loudspeaker voice coil (5) shape is corresponding with the shape that the first location half-turn (6a1), second of symmetry combination is located half-turn (6b1); The lower surface of voice coil loudspeaker voice coil (5) top and the first location half-turn (6a1), the second location half-turn (6b1) is combined closely, and the both positive and negative polarity of voice coil loudspeaker voice coil (5) lead-in wire is connected conducting with the first location half-turn (6a1), the second location half-turn (6b1) respectively; The upper surface of film-type sound basin (7) lower surface and first connector (6a2), second connector (6b2) is combined closely, and the upper surface of the lower surface of first connector (6a2), second connector (6b2) and basin frame (2) outer rim is combined closely; Audio signal moves up and down in magnetic gap through the first terminal (6a3), second terminal (6b3) drive voice coils (5), promotes film-type sound basin (7) vibration sounding;
Said film-type sound basin (7) lower surface is provided with the convex tendon (8) of downward protrusion; Convex tendon (8) shape is corresponding with the shape of first connector (6a2), second connector (6b2), and the upper surface of the lower surface of convex tendon (8) and first connector (6a2), second connector (6b2) is combined closely;
Said U iron (1) is that section is the conductive magnetic yoke of U type, and its bottom offers through hole (10);
Said locating branch slice (6) adopts the elastomeric material of conduction to make;
Said basin frame (2) adopts insulation and has the easy-formation material of certain intensity;
Said film-type sound basin (7) adopts thin-film material to make.
2. dual-drive speaker as claimed in claim 1, its characteristic are that also said locating branch slice (6) adopts beryllium copper or phosphor-copper to make.
3. dual-drive speaker as claimed in claim 1, its characteristic are that also said basin frame (2) adopts plastic production.
4. dual-drive speaker as claimed in claim 1, its characteristic are that also said film-type sound basin (7) adopts polyester film material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910035698 CN101695146B (en) | 2009-09-30 | 2009-09-30 | Dual-drive speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910035698 CN101695146B (en) | 2009-09-30 | 2009-09-30 | Dual-drive speaker |
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| Publication Number | Publication Date |
|---|---|
| CN101695146A CN101695146A (en) | 2010-04-14 |
| CN101695146B true CN101695146B (en) | 2012-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910035698 Active CN101695146B (en) | 2009-09-30 | 2009-09-30 | Dual-drive speaker |
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| CN (1) | CN101695146B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102026067B (en) * | 2011-01-12 | 2013-07-24 | 常州声泰龙电子音响有限公司 | Loudspeaker and vibration part thereof |
| CN102638751B (en) * | 2012-04-18 | 2014-06-25 | 无锡杰夫电声有限公司 | Thin type speaker with inverted positioning support chip |
| CN102984609A (en) * | 2012-11-27 | 2013-03-20 | 无锡杰夫电声有限公司 | Multi-point excitation source loudspeaker sound box |
| CN110381422A (en) * | 2019-06-20 | 2019-10-25 | 苏州上声电子股份有限公司 | A kind of loudspeaker of multichannel input driving |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101053278A (en) * | 2005-03-10 | 2007-10-10 | 松下电器产业株式会社 | Speaker and method of producing the same |
| CN201550272U (en) * | 2009-09-30 | 2010-08-11 | 无锡杰夫电声有限公司 | Double-drive loudspeaker |
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2009
- 2009-09-30 CN CN 200910035698 patent/CN101695146B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101053278A (en) * | 2005-03-10 | 2007-10-10 | 松下电器产业株式会社 | Speaker and method of producing the same |
| CN201550272U (en) * | 2009-09-30 | 2010-08-11 | 无锡杰夫电声有限公司 | Double-drive loudspeaker |
Non-Patent Citations (1)
| Title |
|---|
| JP特開2001-259525A 2001.09.25 |
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| CN101695146A (en) | 2010-04-14 |
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Address after: 214192 Xishan, Jiangsu, Beizhen Tin Tin Tin Road, No. eight, No. 228 Patentee after: WUXI JIEFU ELECTROACOUSTIC CO., LTD. Address before: 214192 Jiangsu Wuxi Xishan tin eight Wuxi Beizhen Geoff electroacoustic Co., Ltd. Patentee before: Jiefu Electroacoustic Co., Ltd., Wuxi |