CN2886966Y - Track type full frequency band loudspeaker unit - Google Patents
Track type full frequency band loudspeaker unit Download PDFInfo
- Publication number
- CN2886966Y CN2886966Y CN 200520134089 CN200520134089U CN2886966Y CN 2886966 Y CN2886966 Y CN 2886966Y CN 200520134089 CN200520134089 CN 200520134089 CN 200520134089 U CN200520134089 U CN 200520134089U CN 2886966 Y CN2886966 Y CN 2886966Y
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- runway shape
- runway
- voice coil
- shape
- magnetic
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- Expired - Lifetime
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Abstract
Disclosed is a loudspeaker in particular to a raceway-shaped all-channel loudspeaker. The design of the utility model is that a raceway-shaped basin frame with a connecting block is provided with a raceway-shaped magnetic system on the bottom and that a raceway-shaped acoustic basin with a ring and a raceway-shaped acoustic coil are arranged on the raceway-shaped basin frame which hangs the raceway-shaped acoustic coil and vertically arranges the raceway-shaped acoustic coil in the middle of the magnetic gap in the raceway-shaped magnetic system and that the tapering of the raceway-shaped acoustic basin with a ring and a raceway-shaped positioning support piece are bound to support each other. The loudspeaker unit can make the loudspeaker small in size, good in heat-dissipation, small in distortion, large in volume and good in acoustics which makes the loudspeaker unit especially suitable for LCD or PDP video apparatuses.
Description
Technical field
The utility model relates to loud speaker, specifically a kind of loud speaker of runway shape.
Background technology
Be applied to the loud speaker of plate video equipments such as LCD, PDP now, general sound basin and the basin frame that adopts runway shape, cooperate circular magnetic circuit to make up the full frequency speaker unit, because in long and narrow dull and stereotyped video equipment, the installing space of leaving loud speaker for is very limited, and the swept area of runway shape sound basin is bigger with respect to circle and ellipse.
This full frequency speaker unit in use, loudspeaker cone tapering and voice coil loudspeaker voice coil are combined closely, because the sound pelvic part is a racetrack, voice coil loudspeaker voice coil is circular, do in magnetic circuit in the amplitude motion process when voice coil loudspeaker voice coil promotes the sound basin, the major and minor axis each several part of runway shape sound basin is stressed to be unbalanced, thereby causes the sound basin nonlinear motion to occur in the acoustic radiation process, cause distortion to produce, cause the loud speaker both poor sound quality.And circular magnetic circuit is compared runway shape magnetic circuit, and under the constant situation of loud speaker installation volume, magnet volume is big not as runway shape, and the magnetic circuit driving force is also strong not as runway shape.
Summary of the invention
The object of the present invention is to provide a kind of runway shape full frequency band loudspeaker unit, this loudspeaker unit can make that the loud speaker volume is littler, heat radiation is better, distortion is littler, volume is bigger, tonequality is better, therefore is specially adapted to plate video equipments such as LCD, PDP.
According to design provided by the utility model, the magnetic circuit system that runway shape is arranged below the runway shape basin frame of band terminal block, the band ring sound basin of runway shape and runway shape voice coil loudspeaker voice coil are installed on the top of runway shape basin frame, make runway shape voice coil loudspeaker voice coil unsettled, vertically place in the middle of the magnetic air gap of runway shape magnetic circuit system, the tapering of the band ring sound basin of runway shape and runway shape voice coil loudspeaker voice coil and runway shape locating branch slice gummed support each other.
In runway shape magnetic circuit system, runway shape train wheel bridge be connected in runway shape basin frame below, runway shape ferrimagnet is arranged below runway shape train wheel bridge, there is the runway shape lower plate of band runway shape conducting magnetic column runway shape ferrimagnet below, runway shape conducting magnetic column and runway shape lower plate are referred to as runway shape T iron, run through runway shape ferrimagnet at the Centromedian runway shape of runway shape T iron conducting magnetic column, runway shape train wheel bridge and runway shape basin frame, runway shape voice coil loudspeaker voice coil is unsettled, vertically place by runway shape train wheel bridge, runway shape ferrimagnet, in the middle of the runway shape magnetic air gap that runway shape T iron is formed.
In runway shape magnetic circuit system, runway shape conductive magnetic yoke is connected below the runway shape basin frame of being with terminal block, runway shape rare earth magnet is arranged on runway shape conductive magnetic yoke, runway shape pole piece is arranged directly over runway shape rare earth magnet, and runway shape voice coil loudspeaker voice coil is unsettled, vertically place in the middle of the runway shape magnetic air gap that is formed by runway shape yoke and runway shape rare earth magnet and runway shape pole piece.
Description of drawings
Fig. 1 is an external magnetic type runway shape loudspeaker unit.
Fig. 2 is an internal magnetization runway shape loudspeaker unit.
Embodiment
This loud speaker adopts runway shape magnetic circuit system, and runway shape vibrational system and runway shape auxiliary system constitute.Comprise two kinds of external magnetic type and internal magnetizations:
External magnetic type as shown in Figure 1, below the runway shape basin frame 1 of band terminal block, runway shape train wheel bridge 7 is arranged, runway shape ferrimagnet 6 is arranged below runway shape train wheel bridge 7, there is the runway shape lower plate 5 of band runway shape conducting magnetic column runway shape ferrimagnet 6 belows, runway shape conducting magnetic column and runway shape lower plate are referred to as runway shape T iron, run through runway shape ferrimagnet at runway shape T iron 5 Centromedian runway shape conducting magnetic columns, runway shape train wheel bridge 7 and runway shape basin frame 1.The band ring sound basin 4 and the runway shape voice coil loudspeaker voice coil 2 of runway shape is installed on the top of runway shape basin frame 1, make runway shape voice coil loudspeaker voice coil 2 unsettled, vertically place in the middle of the runway shape magnetic air gap of forming by the runway shape lower plate 5 of runway shape train wheel bridge 7, runway shape ferrimagnet 6, band conducting magnetic column, 2 of the tapering of the band ring sound basin 4 of runway shape and runway shape voice coil loudspeaker voice coils and runway shape locating branch slice 3 gummeds support each other.In this design, basin frame 1, train wheel bridge 7, ferrimagnet 6, the lower plate 5 of band conducting magnetic column, the sound basin 4 of band ring, voice coil loudspeaker voice coil 2, the vertical view of locating branch slice 3 is runway shape.
Internal magnetization as shown in Figure 2, below the runway shape basin frame 1 of band terminal block, runway shape conductive magnetic yoke 8 is arranged, runway shape rare earth magnet 9 is arranged on runway shape conductive magnetic yoke 8, runway shape pole piece 10 is arranged directly over runway shape rare earth magnet 9, the band ring sound basin 4 of runway shape and runway shape voice coil loudspeaker voice coil 2 be installed on runway shape basin frame 1 above, make runway shape voice coil loudspeaker voice coil 2 unsettled, vertically place in the middle of the runway shape magnetic air gap that forms by runway shape yoke 8 and runway shape rare earth magnet 9 and runway shape pole piece 10,2 of the tapering of the band ring sound basin 4 of runway shape and runway shape voice coil loudspeaker voice coils and runway shape locating branch slice 3 gummeds support each other.In this product, conductive magnetic yoke 8, rare earth magnet 9, pole piece 10, band ring sound basin 4, voice coil loudspeaker voice coil 2, the vertical view of locating branch slice 3 is runway shape.
No matter external magnetic type or internal magnetization, this loud speaker all adopts the magnetic circuit system of runway shape, runway shape basin frame 1, cooperate runway shape band ring sound basin 4, the runway shape vibrational system that runway shape voice coil loudspeaker voice coil 2 and runway shape locating branch slice 3 constitute is the optimized combinations of many runway shape parts, compare circular design, heat dissipation characteristics is better, and nonlinear distortion is littler, can bear more powerful.It is little that it directly translates into volume, and tonequality is good, gives great volume good reliability.
Though having to be known as, existing product is the racetrack loud speaker, its reality only is to adopt racetrack basin frame 1 and racetrack band ring sound basin 4, remaining part is traditional circle, but not racetrack magnetic circuit system truly adds the complete structure of racetrack vibrational system and auxiliary system.Because existing product part in vibrational system adopts the racetrack parts, it generally is band ring sound basin, theory can reach full frequency band on the sound frequency range, but because other parts are not all used round structure, particularly voice coil loudspeaker voice coil 2 and magnetic circuit system part, thus can cause in racetrack band ring sound basin and circular voice coil loudspeaker voice coil and the circular magnetic circuit engagement process, and the motion active force is unbalanced, nonlinear distortion strengthens, both poor sound quality.And circular magnetic circuit cooperates with runway shape basin frame, can not make full use of the advantage of racetrack structure, changes into after the runway shape magnetic circuit, and under same thickness, magnetic field intensity is bigger, and it is also bigger that loud speaker can bear effective power.
Claims (3)
1, runway shape full frequency band loudspeaker unit, it is characterized in that: the magnetic circuit system that runway shape is arranged below the runway shape basin frame (1) of band terminal block, the band ring sound basin (4) of runway shape and runway shape voice coil loudspeaker voice coil (2) are installed on the top of runway shape basin frame (1), make runway shape voice coil loudspeaker voice coil (2) unsettled, vertically place in the middle of the magnetic air gap of runway shape magnetic circuit system, the tapering of the band ring sound basin (4) of runway shape and runway shape voice coil loudspeaker voice coil (2) and runway shape locating branch slice (3) gummed support each other.
2, runway shape full frequency band loudspeaker unit as claimed in claim 1, it is characterized in that: in runway shape magnetic circuit system, runway shape train wheel bridge (7) be connected in runway shape basin frame (1) below, runway shape ferrimagnet (6) is arranged below runway shape train wheel bridge (7), there is the runway shape lower plate of band runway shape conducting magnetic column runway shape ferrimagnet (6) below, runway shape conducting magnetic column and runway shape lower plate are referred to as runway shape T iron, run through runway shape ferrimagnet (6) at the Centromedian runway shape of runway shape T iron (5) conducting magnetic column, runway shape train wheel bridge (7) and runway shape basin frame (1), runway shape voice coil loudspeaker voice coil (2) is unsettled, vertically place by runway shape train wheel bridge (7), runway shape ferrimagnet (6), in the middle of the runway shape magnetic air gap that runway shape T iron (5) is formed.
3, runway shape full frequency band loudspeaker unit as claimed in claim 1, it is characterized in that: in runway shape magnetic circuit system, runway shape conductive magnetic yoke (8) is connected below the runway shape basin frame (1) of being with terminal block, runway shape rare earth magnet (9) is arranged on runway shape conductive magnetic yoke (8), runway shape pole piece (10) is arranged directly over runway shape rare earth magnet (9), and runway shape voice coil loudspeaker voice coil (2) is unsettled, vertically place in the middle of the runway shape magnetic air gap that is formed by runway shape yoke (8) and runway shape rare earth magnet (9) and runway shape pole piece (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520134089 CN2886966Y (en) | 2005-12-05 | 2005-12-05 | Track type full frequency band loudspeaker unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520134089 CN2886966Y (en) | 2005-12-05 | 2005-12-05 | Track type full frequency band loudspeaker unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2886966Y true CN2886966Y (en) | 2007-04-04 |
Family
ID=37962050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520134089 Expired - Lifetime CN2886966Y (en) | 2005-12-05 | 2005-12-05 | Track type full frequency band loudspeaker unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2886966Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101931840A (en) * | 2010-09-30 | 2010-12-29 | 无锡杰夫电声有限公司 | Thin type speaker with wavy positioning support chip |
| CN112788507A (en) * | 2017-07-12 | 2021-05-11 | 乐金显示有限公司 | Display device |
-
2005
- 2005-12-05 CN CN 200520134089 patent/CN2886966Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101931840A (en) * | 2010-09-30 | 2010-12-29 | 无锡杰夫电声有限公司 | Thin type speaker with wavy positioning support chip |
| CN101931840B (en) * | 2010-09-30 | 2013-04-17 | 无锡杰夫电声有限公司 | Thin type speaker with wavy positioning support chip |
| CN112788507A (en) * | 2017-07-12 | 2021-05-11 | 乐金显示有限公司 | Display device |
| CN112788507B (en) * | 2017-07-12 | 2022-05-31 | 乐金显示有限公司 | Display device |
| US11592863B2 (en) | 2017-07-12 | 2023-02-28 | Lg Display Co., Ltd. | Display apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070404 |
|
| EXPY | Termination of patent right or utility model |