CN101695146A - Dual-drive speaker - Google Patents
Dual-drive speaker Download PDFInfo
- Publication number
- CN101695146A CN101695146A CN200910035698A CN200910035698A CN101695146A CN 101695146 A CN101695146 A CN 101695146A CN 200910035698 A CN200910035698 A CN 200910035698A CN 200910035698 A CN200910035698 A CN 200910035698A CN 101695146 A CN101695146 A CN 101695146A
- Authority
- CN
- China
- Prior art keywords
- voice coil
- connector
- dual
- turn
- magnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
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 LCD, the loud speaker of plate video equipment such as PDP, the general structure that adopts taper film-type sound basin to cooperate locating branch slice, center at taper film-type sound basin offers centre bore, 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, 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, form 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 Microspeaker product in the products such as mobile phone, have directly voice coil loudspeaker voice coil is fixed on design on the film-type sound basin, driving voice coil loudspeaker voice coil by magnetic circuit moves up and down at magnetic gap, voice coil loudspeaker voice coil promotes film-type sound basin radiation sound, it is very thin but though this structure can guarantee that without locating branch slice loud speaker is done, but because 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 panel TV and use the high-power of loud speaker, the high tone quality requirement.
Summary of the invention
The objective of the invention is at above shortcomings in the prior art, provide a kind of structure ingenious rationally, adopt the dual-drive speaker of novel orientation 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, described 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 described 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 by first connector, and the first connector two ends stretch out, and form two the first terminals; Two second location half-turns connect by 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 drives voice coil loudspeaker voice coil and moves up and down in magnetic gap by the first terminal, second terminal, promotes film-type sound basin vibration sounding.
Described 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.
Described 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 a further improvement on the present invention, described locating branch slice adopts the elastomeric material of conduction to make; Preferred beryllium copper or the phosphor-copper of adopting.
As a further improvement on the present invention, described basin frame adopts the easy-formation material that insulate and have certain intensity; The preferred plastics that adopt.
As a further improvement on the present invention, described 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, characteristics such as advantage is: structure is ingenious rationally, and novel locating branch slice has good springiness, antifatigue, can conduct electricity, 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 in magnetic gap work, under the prerequisite of structure slimming, 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 schematic diagram 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 voice coil loudspeaker voice coil, locating branch slice and film-type sound basin in conjunction with one of three-dimensional cutaway view of situation.
Fig. 7 is voice coil loudspeaker voice coil, locating branch slice and film-type sound basin in conjunction with two of the three-dimensional cutaway view of 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 drawings and Examples 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.
As 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, described 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 by 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 by 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 of the first location half-turn 6a1, the second location half-turn 6b1 of symmetry combination, 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 drives voice coil loudspeaker voice coil 5 by the first terminal 6a3, the second terminal 6b3 and moves up and down in magnetic gap, promotes film-type sound basin 7 vibration soundings.
Described 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.
Described 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.
Described 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 (9)
1. dual-drive speaker, comprise 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), 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), magnet (3) lower surface and U iron (1) bottom interior surface are combined closely, 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, described 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 by 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 by 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 drives voice coil loudspeaker voice coil (5) and moves up and down in magnetic gap by the first terminal (6a3), second terminal (6b3), promotes film-type sound basin (7) vibration sounding.
2. dual-drive speaker as claimed in claim 1, its feature also is, described 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.
3. dual-drive speaker as claimed in claim 1, its feature are that also described U iron (1) is that section is the conductive magnetic yoke of U type, and its bottom offers through hole (10).
4. dual-drive speaker as claimed in claim 1, its feature are that also described locating branch slice (6) adopts the elastomeric material of conduction to make.
5. dual-drive speaker as claimed in claim 1, its feature are that also described locating branch slice (6) adopts beryllium copper or phosphor-copper to make.
6. dual-drive speaker as claimed in claim 1, its feature are that also described basin frame (2) adopts insulation and has the easy-formation material of certain intensity.
7. dual-drive speaker as claimed in claim 1, its feature are that also described basin frame (2) adopts plastic production.
8. dual-drive speaker as claimed in claim 1, its feature are that also described film-type sound basin (7) adopts thin-film material to make.
9. dual-drive speaker as claimed in claim 1, its feature are that also described 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101695146A true CN101695146A (en) | 2010-04-14 |
| CN101695146B CN101695146B (en) | 2012-07-18 |
Family
ID=42094076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910035698 Active CN101695146B (en) | 2009-09-30 | 2009-09-30 | Dual-drive speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101695146B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102026067A (en) * | 2011-01-12 | 2011-04-20 | 常州声泰龙电子音响有限公司 | Loudspeaker and vibration part thereof |
| CN102638751A (en) * | 2012-04-18 | 2012-08-15 | 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006254037A (en) * | 2005-03-10 | 2006-09-21 | Matsushita Electric Ind Co Ltd | Speaker |
| CN201550272U (en) * | 2009-09-30 | 2010-08-11 | 无锡杰夫电声有限公司 | Double-drive loudspeaker |
-
2009
- 2009-09-30 CN CN 200910035698 patent/CN101695146B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102026067A (en) * | 2011-01-12 | 2011-04-20 | 常州声泰龙电子音响有限公司 | Loudspeaker and vibration part thereof |
| 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 |
| CN102638751A (en) * | 2012-04-18 | 2012-08-15 | 无锡杰夫电声有限公司 | Thin type speaker with inverted positioning support chip |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101695146B (en) | 2012-07-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201263213Y (en) | Thin type loudspeaker with double magnetic circuit structure | |
| CN101765044A (en) | Minitype moving-coil electroacoustic transducer | |
| CN202713598U (en) | Dual-drive thin speaker | |
| CN102638751B (en) | Thin type speaker with inverted positioning support chip | |
| CN202587358U (en) | Thin type speaker with inverted positioning support chip | |
| CN102970641B (en) | A kind of voice coil loudspeaker voice coil and sound film integrative-structure, speaker and mobile terminal | |
| CN101902676A (en) | Dual-sound basin thin speaker | |
| CN101695146B (en) | Dual-drive speaker | |
| CN201616902U (en) | Dual-drive paper holder flat panel speaker | |
| CN102291651B (en) | Dual-cone thin loudspeaker with step structure | |
| CN101959105B (en) | Electrostatic loudspeaker | |
| CN201550272U (en) | Double-drive loudspeaker | |
| CN201708916U (en) | Ultrathin double-drive loudspeaker | |
| US10972830B1 (en) | Speaker monomer with pair of dynamic speakers thereof | |
| CN201515491U (en) | Electrostatic type loudspeaker | |
| CN102984609A (en) | Multi-point excitation source loudspeaker sound box | |
| CN101931849A (en) | Thin speaker with taper location support chip | |
| CN216391401U (en) | Loudspeaker | |
| CN210093542U (en) | Fidelity type internal welding horn structure | |
| CN102638752B (en) | High-power ultrathin speaker | |
| CN201839431U (en) | Thin type speaker with tapered positioning support chip | |
| CN203086665U (en) | Receiver | |
| CN202103833U (en) | Double-cone thin type loudspeaker possessing step structure | |
| CN202957957U (en) | Multipoint excitation source loudspeaker soundbox | |
| CN101511048A (en) | Electro-acoustic converter with novel vibrating system and manufacturing method for vibrating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
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 |