CN101931840A - Thin type speaker with wavy positioning support chip - Google Patents
Thin type speaker with wavy positioning support chip Download PDFInfo
- Publication number
- CN101931840A CN101931840A CN2010102988243A CN201010298824A CN101931840A CN 101931840 A CN101931840 A CN 101931840A CN 2010102988243 A CN2010102988243 A CN 2010102988243A CN 201010298824 A CN201010298824 A CN 201010298824A CN 101931840 A CN101931840 A CN 101931840A
- Authority
- CN
- China
- Prior art keywords
- voice coil
- basin
- positioning support
- support chip
- basin frame
- 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 thin type speaker with wavy positioning support chip. In the speaker, a magnetic circuit structure comprising a U-shaped magnetic yoke and a voice coil is mounted on a cone frame; a cone frame central hole is formed in the center of the cone frame bottom, the U-shaped magnetic yoke is firmly embedded in the cone frame central hole; a positioning support chip is supported on the step arranged on the cone frame, a voice cone is arranged above the positioning support chip and supported on the cone frame; a positioning support chip central hole and a voice cone central hole are respectively opened in the centers of the positioning support chip and the voice cone, and the upper part of the voice coil is mounted in the positioning support chip central hole and the voice cone central hole; and a terminal board is mounted on the lower surface of the step on the cone frame and is connected with an extension line of the voice coil. The speaker is characterized in that the positioning support chip is extended from a center to periphery to form a wavy positioning support chip. The invention is intelligently structured, compact and reasonable, is capable of preventing the voice coil from touching a magnetic gap when the speaker is working, limiting transverse movement of the voice cone, improving compliance of the speaker and modifying low-frequency response characteristic.
Description
Technical field
The invention belongs to the acoustic-electric technical field, relate to a kind of loud speaker, specifically a kind of thin speaker with wavy positioning support chip.
Background technology
In the prior art, be applied to the loud speaker of plate video equipments such as LCD, PDP, the general taper sound basin that adopts cooperates the locating branch slice structure of (also claim centring disk, play ripple), center at taper sound basin offers centre bore, the locating branch slice that is provided with centre bore equally is arranged on the below of sound basin, voice coil loudspeaker voice coil penetrates the centre bore of 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 sound basin, forms the vibrational system of loud speaker.Locating branch slice is mainly used in loud speaker prevents the transverse movement of sound basin, and sound basin up-down vibration is axially avoided voice coil loudspeaker voice coil touching magnetic gap when guaranteeing speaker operation.The surrounding of traditional locating branch slice all combines with the step of basin frame along part, to prevent sound basin transverse movement under high-power situation of thin speaker, avoid voice coil loudspeaker voice coil touching magnet or magnetic pole core, produce abnormal sound, yet amplitude is less than normal when adopting this kind locating branch slice to cause loudspeaker vibration, direct motion is not enough, the LF-response variation.
Summary of the invention
The objective of the invention is at above shortcomings in the prior art, provide a kind of structure ingenious, compact, reasonably have a thin speaker of wavy positioning support chip, voice coil loudspeaker voice coil touching magnetic gap when this loud speaker can be avoided speaker operation, the transverse movement of restriction sound basin, and can improve the loud speaker compliance, improve the LF-response characteristic, guarantee that loud speaker works stably in a long term.
According to technical scheme provided by the invention, described thin speaker with wavy positioning support chip comprises basin frame, magnetic structure, locating branch slice, sound basin and terminal block; Magnetic structure is installed on the basin frame, and magnetic structure comprises U-shaped conductive magnetic yoke and voice coil loudspeaker voice coil; Bottom centre at the basin frame offers basin frame centre bore, and the U-shaped conductive magnetic yoke closely is inlaid in the basin frame centre bore; Locating branch slice is supported on the step that the basin frame is provided with, and the sound basin is arranged on the locating branch slice top and is supported on the basin frame; The center of described locating branch slice and sound basin offers locating branch slice centre bore and sound basin centre bore respectively, and voice coil loudspeaker voice coil top is contained in locating branch slice centre bore and the sound basin centre bore, and the inner edge of voice coil loudspeaker voice coil outer wall and locating branch slice centre bore and sound basin centre bore is combined closely; Terminal block is installed on the lower surface of basin pallet rank and with the lead-out wire of voice coil loudspeaker voice coil and links to each other; It is characterized in that: described locating branch slice extends by rising and falling around the middle mind-set, forms wavy positioning support chip.
As a further improvement on the present invention, described basin frame, locating branch slice are arranged to rectangle, are provided with the oblong upright edge of a circle at the basin top of the trellis; Described sound basin is provided with the oval infundibulate of growing up, and is provided with flange around the edge of sound basin, combines closely on the upper surface at basin frame edge and cover the upright edge of basin frame in the lower edge of flange.
As a further improvement on the present invention, the minor face of described locating branch slice is planar shaped, long limit undulate; The upper surface on minor face and basin pallet rank is combined closely fixing, and the edge on long limit and basin pallet rank is unfixing, and keeps certain interval.
As a further improvement on the present invention, described magnetic structure comprises U-shaped conductive magnetic yoke, main magnet, magnetic pole core, secondary magnet and voice coil loudspeaker voice coil, main magnet, magnetic pole core and secondary magnet are contained in the U-shaped conductive magnetic yoke, main magnet lower surface and U-shaped conductive magnetic yoke bottom interior surface are combined closely, the main magnet upper surface magnetic pole core of combining closely, the magnetic pole core upper surface secondary magnet of combining closely, voice coil loudspeaker voice coil is looped around around main magnet, magnetic pole core and the secondary magnet, leave the gap between the outer wall of voice-coil inwall and main magnet, magnetic pole core and secondary magnet, leave the space between voice coil loudspeaker voice coil outer wall and the U-shaped conductive magnetic yoke inwall.Further, described voice coil loudspeaker voice coil top is provided with dust cap.
The present invention compared with prior art, advantage is: structure is ingenious, compact, rationally; Adopt wavy positioning support chip, the upper surface on the minor face of locating branch slice and basin pallet rank is combined closely fixing, the edge on the long limit of locating branch slice and basin pallet rank is unfixing, and the maintenance certain interval, under the prerequisite that guarantees the loudspeaker vibration compliance, improved voice coil loudspeaker voice coil and driven the stability that the sound basin axially moves up and down, make loud speaker under high-power, also can not produce harmful transverse movement, improve the reliability of speaker operation, improved the LF-response performance, be applicable to high-power thin speaker.
Description of drawings
Fig. 1 is the cross-section structure of the embodiment of the invention along short-axis direction.
Fig. 2 is the cross-section structure of the embodiment of the invention along long axis direction.
Fig. 3 is the assembling decomposing schematic representation of the embodiment of the invention.
Fig. 4 is the schematic perspective view of locating branch slice of the present invention.
Description of reference numerals: 1-basin frame, 1a-step, the upright edge of 1b-, 2-locating branch slice, 2a-minor face, the long limit of 2b-, 3-sound basin, 3a-flange, 4-conductive magnetic yoke, 5-master's magnet, 6-magnetic pole core, the secondary magnet of 7-, 8-voice coil loudspeaker voice coil, 9-dust cap, 10-terminal block.
Embodiment
Below in conjunction with concrete drawings and Examples the present invention is further described.
As shown in the figure, the thin speaker with wavy positioning support chip among the embodiment mainly is made up of basin frame 1, locating branch slice 2, sound basin 3, conductive magnetic yoke 4, main magnet 5, magnetic pole core 6, secondary magnet 7, voice coil loudspeaker voice coil 8, dust cap 9 and terminal block 10.
Shown in Fig. 1 ~ 3, basin frame 1 adopts plastics or metal material to make, and magnetic structure is installed on the basin frame 1; Magnetic structure is made up of U-shaped conductive magnetic yoke 4, main magnet 5, magnetic pole core 6, secondary magnet 7 and voice coil loudspeaker voice coil 8, offers basin frame 1 centre bore in the bottom centre of basin frame 1, and U-shaped conductive magnetic yoke 4 closely is inlaid in basin frame 1 centre bore; Main magnet 5, magnetic pole core 6 and secondary magnet 7 are contained in the U-shaped conductive magnetic yoke 4, main magnet 5 lower surfaces and U-shaped conductive magnetic yoke 4 bottom interior surfaces are combined closely, the main magnet 5 upper surfaces magnetic pole core 6 of combining closely, the magnetic pole core 6 upper surfaces secondary magnet 7 of combining closely, voice coil loudspeaker voice coil 8 is looped around around main magnet 5, magnetic pole core 6 and the secondary magnet 7, leave the gap between the outer wall of voice coil loudspeaker voice coil 8 inwalls and main magnet 5, magnetic pole core 6 and secondary magnet 7, leave the space between voice coil loudspeaker voice coil 8 outer walls and U-shaped conductive magnetic yoke 4 inwalls.
As Fig. 1 ~ shown in Figure 3, described locating branch slice 2 is supported on the step 1a that basin frame 1 is provided with, the center of locating branch slice 2 offers locating branch slice 2 centre bores, and voice coil loudspeaker voice coil 8 tops are contained in locating branch slice 2 centre bores, and the inner edge of voice coil loudspeaker voice coil 8 outer walls and locating branch slice 2 centre bores is combined closely; Described locating branch slice 2 extends by rising and falling around the middle mind-set, forms wavy positioning support chip 2.Described sound basin 3 is arranged on locating branch slice 2 tops and is supported on the basin frame 1, and the center of sound basin 3 offers sound basin 3 centre bores, and voice coil loudspeaker voice coil 8 tops are stretched in sound basin 3 centre bores after passing locating branch slice 2 centre bores, and the inner edge of voice coil loudspeaker voice coil 8 outer walls and sound basin 3 centre bores is combined closely.Terminal block 10 is installed on the basin frame 1 step 1a lower surface and with the lead-out wire of voice coil loudspeaker voice coil 8 and links to each other;
As Fig. 1 ~ shown in Figure 4, basin frame 1, locating branch slice 2 in the present embodiment are arranged to rectangle, and be provided with a circle at basin frame 1 top oblong upright along 1b; Described sound basin 3 is provided with the oval infundibulate of growing up, and is provided with flange 3a around the edge of sound basin 3, combines closely on the upper surface at basin frame 1 edge and cover the upright along 1b of basin frame 1 in the lower edge of flange 3a.The minor face 2a of described locating branch slice 2 is planar shaped, long limit 2b undulate, and the upper surface of minor face 2a and basin frame 1 step 1a is combined closely fixing, and the edge of long limit 2b and basin frame 1 step 1a is unfixing, and keeps certain interval.This structure can be under the prerequisite that guarantees the loudspeaker vibration compliance, improve voice coil loudspeaker voice coil 8 and driven the stability that sound basin 3 axially moves up and down, make loud speaker under high-power, also can not produce harmful transverse movement, improve the reliability of speaker operation, improve the LF-response performance.
As Fig. 1 ~ shown in Figure 3, enter in the magnetic circuit mechanism of loud speaker in order to prevent the dust foreign material, described voice coil loudspeaker voice coil 8 tops are provided with dust cap 9.
Claims (5)
1. the thin speaker that has wavy positioning support chip comprises basin frame (1), magnetic structure, locating branch slice (2), sound basin (3) and terminal block (10); Magnetic structure is installed on the basin frame (1), and magnetic structure comprises U-shaped conductive magnetic yoke (4) and voice coil loudspeaker voice coil (8); Bottom centre at basin frame (1) offers basin frame (1) centre bore, and U-shaped conductive magnetic yoke (4) closely is inlaid in basin frame (1) centre bore; Locating branch slice (2) is supported on the step (1a) that basin frame (1) is provided with, and sound basin (3) is arranged on locating branch slice (2) top and is supported on the basin frame (1); The center of described locating branch slice (2) and sound basin (3) offers locating branch slice (2) centre bore and sound basin (3) centre bore respectively, voice coil loudspeaker voice coil (8) top is contained in locating branch slice (2) centre bore and sound basin (3) centre bore, and the inner edge of voice coil loudspeaker voice coil (8) outer wall and locating branch slice (2) centre bore and sound basin (3) centre bore is combined closely; Terminal block (10) is installed on basin frame (1) step (1a) lower surface and with the lead-out wire of voice coil loudspeaker voice coil (8) and links to each other; It is characterized in that: described locating branch slice (2) extends by rising and falling around the middle mind-set, forms wavy positioning support chip (2).
2. the thin speaker with wavy positioning support chip as claimed in claim 1 is characterized in that: described basin frame (1), locating branch slice (2) are arranged to rectangle, are provided with a circle oblong upright edge (1b) at basin frame (1) top; Described sound basin (3) is provided with the oval infundibulate of growing up, and is provided with flange (3a) around the edge of sound basin (3), combines closely on the upper surface at basin frame (1) edge and cover the upright edge (1b) of basin frame (1) in the lower edge of flange (3a).
3. the thin speaker with wavy positioning support chip as claimed in claim 1 is characterized in that: the minor face (2a) of described locating branch slice (2) is planar shaped, long limit (2b) undulate; The upper surface of minor face (2a) and basin frame (1) step (1a) is combined closely fixing, and long limit (2b) is fixing with the edge of basin frame (1) step (1a), and keeps certain interval.
4. the thin speaker with wavy positioning support chip as claimed in claim 1, it is characterized in that: described magnetic structure comprises U-shaped conductive magnetic yoke (4), main magnet (5), magnetic pole core (6), secondary magnet (7) and voice coil loudspeaker voice coil (8), main magnet (5), magnetic pole core (6) and secondary magnet (7) are contained in the U-shaped conductive magnetic yoke (4), main magnet (5) lower surface and U-shaped conductive magnetic yoke (4) bottom interior surface are combined closely, main magnet (5) the upper surface magnetic pole core (6) of combining closely, magnetic pole core (6) the upper surface secondary magnet (7) of combining closely, voice coil loudspeaker voice coil (8) is looped around main magnet (5), magnetic pole core (6) and secondary magnet (7) are on every side, voice coil loudspeaker voice coil (8) inwall and main magnet (5), leave the gap between the outer wall of magnetic pole core (6) and secondary magnet (7), leave the space between voice coil loudspeaker voice coil (8) outer wall and U-shaped conductive magnetic yoke (4) inwall.
5. the thin speaker with wavy positioning support chip as claimed in claim 4 is characterized in that: described voice coil loudspeaker voice coil (8) top is provided with dust cap (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010298824 CN101931840B (en) | 2010-09-30 | 2010-09-30 | Thin type speaker with wavy positioning support chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010298824 CN101931840B (en) | 2010-09-30 | 2010-09-30 | Thin type speaker with wavy positioning support chip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101931840A true CN101931840A (en) | 2010-12-29 |
| CN101931840B CN101931840B (en) | 2013-04-17 |
Family
ID=43370710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010298824 Active CN101931840B (en) | 2010-09-30 | 2010-09-30 | Thin type speaker with wavy positioning support chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101931840B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103974173A (en) * | 2014-05-23 | 2014-08-06 | 无锡杰夫电声有限公司 | High directivity loudspeaker of curved face |
| 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 |
| CN112243189A (en) * | 2020-11-16 | 2021-01-19 | 无锡杰夫电声股份有限公司 | Ultrahigh frequency loudspeaker |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000209693A (en) * | 1999-01-14 | 2000-07-28 | Matsushita Electric Ind Co Ltd | Speaker |
| CN2886966Y (en) * | 2005-12-05 | 2007-04-04 | 无锡杰夫电声有限公司 | Track type full frequency band loudspeaker unit |
| CN201263213Y (en) * | 2008-08-22 | 2009-06-24 | 无锡杰夫电声有限公司 | Thin type loudspeaker with double magnetic circuit structure |
| CN201286166Y (en) * | 2008-10-28 | 2009-08-05 | 谢锦文 | Loudspeaker for flat board sound box |
| CN201839423U (en) * | 2010-09-30 | 2011-05-18 | 无锡杰夫电声有限公司 | Thin type speaker with wavy positioning support chip |
-
2010
- 2010-09-30 CN CN 201010298824 patent/CN101931840B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000209693A (en) * | 1999-01-14 | 2000-07-28 | Matsushita Electric Ind Co Ltd | Speaker |
| CN2886966Y (en) * | 2005-12-05 | 2007-04-04 | 无锡杰夫电声有限公司 | Track type full frequency band loudspeaker unit |
| CN201263213Y (en) * | 2008-08-22 | 2009-06-24 | 无锡杰夫电声有限公司 | Thin type loudspeaker with double magnetic circuit structure |
| CN201286166Y (en) * | 2008-10-28 | 2009-08-05 | 谢锦文 | Loudspeaker for flat board sound box |
| CN201839423U (en) * | 2010-09-30 | 2011-05-18 | 无锡杰夫电声有限公司 | Thin type speaker with wavy positioning support chip |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103974173A (en) * | 2014-05-23 | 2014-08-06 | 无锡杰夫电声有限公司 | High directivity loudspeaker of curved face |
| 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 |
| CN112243189A (en) * | 2020-11-16 | 2021-01-19 | 无锡杰夫电声股份有限公司 | Ultrahigh frequency loudspeaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101931840B (en) | 2013-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100888965B1 (en) | Speaker | |
| CN202713598U (en) | Dual-drive thin speaker | |
| KR100902895B1 (en) | Speaker | |
| KR100897807B1 (en) | Speaker | |
| CN101742385A (en) | Thin type electrodynamic loudspeaker | |
| CN101931840B (en) | Thin type speaker with wavy positioning support chip | |
| CN101902676A (en) | Dual-sound basin thin speaker | |
| CN202587358U (en) | Thin type speaker with inverted positioning support chip | |
| CN102638751A (en) | Thin type speaker with inverted positioning support chip | |
| KR101184537B1 (en) | Speaker | |
| KR102023685B1 (en) | Slim type speaker | |
| CN109275075B (en) | Sound production device | |
| CN201839423U (en) | Thin type speaker with wavy positioning support chip | |
| KR101208243B1 (en) | Slim type speaker and magnetic circuit for it | |
| CN101931849A (en) | Thin speaker with taper location support chip | |
| CN203590449U (en) | Loudspeaker device | |
| CN201571197U (en) | Thin electrodynamic loudspeaker | |
| CN205830009U (en) | Magnetic circuit system and speaker | |
| CN101511048A (en) | Electro-acoustic converter with novel vibrating system and manufacturing method for vibrating system | |
| CN201839431U (en) | Thin type speaker with tapered positioning support chip | |
| CN101931847B (en) | Thin type speaker based on multi-step magnetic yoke | |
| CN209693045U (en) | A kind of thin speaker with concealed bullet wave | |
| CN102638752B (en) | High-power ultrathin speaker | |
| JP4906971B1 (en) | Speaker | |
| KR20110116975A (en) | Speaker |
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 eight Wuxi, Beizhen, Xishan District, Jiangsu Patentee before: Jiefu Electroacoustic Co., Ltd., Wuxi |