CN106341761A - Loudspeaker with multipath magnetic circuit structure - Google Patents
Loudspeaker with multipath magnetic circuit structure Download PDFInfo
- Publication number
- CN106341761A CN106341761A CN201611103912.7A CN201611103912A CN106341761A CN 106341761 A CN106341761 A CN 106341761A CN 201611103912 A CN201611103912 A CN 201611103912A CN 106341761 A CN106341761 A CN 106341761A
- Authority
- CN
- China
- Prior art keywords
- voice coil
- magnetic circuit
- sound
- frame
- washer
- 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.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention discloses a loudspeaker with a multipath magnetic circuit structure. The loudspeaker comprises a basin stand, a voice diaphragm and a plurality of driving units, wherein the driving units all comprise magnetic circuit systems and voice coils; the magnetic circuit systems are fixed in the basin stand, the edge of the voice diaphragm is fixed to the edge of the opening of the basin stand, one end of the voice coil is located in the magnetic gap of the magnetic circuit system while the other end of the voice coil is fixed to the voice diaphragm; a plurality of voice coils are connected in series. A plurality of subsidiary voice coils connected in series increase impedance and enable finer alt and richer details, meanwhile strong power generated by a plurality of magnetic loops enables the loudspeaker to have better dynamic and transient, sensitivity is remarkably improved, sounds of low and high pitch and alto can be perfectly shown under equivalent volume of sound making, and the sound is clearer and richer in sense of depth.
Description
[technical field]
The present invention relates to speaker, more particularly, to a kind of speaker of multipath magnetic circuit structure.
[background technology]
It is applied to the speaker of the plate video equipment such as lcd, pdp, so that whole loudspeaker unit structure is narrower
Thinner, typically can be using the more flat speaker frame of sleeve configuration and sound basin.But long and narrowization of sound basin shape is so that sound basin
Under tradition list magnetic circuit drives, the discontinuity equalization at long axis direction two ends, leads to sound basin non-linear distortion to increase, both poor sound quality.
The utility model of Patent No. cn200820185070.9 discloses a kind of thin speaker of two magnetic route structure,
One frame is provided with two frame bottoms, and each frame bottom is provided with main magnet, magnetic pole core and secondary magnet, and voice coil loudspeaker voice coil is looped around
Around main magnet, magnetic pole core and secondary magnet, voice coil loudspeaker voice coil outer wall is combined closely with locating branch slice mesopore contact portion, and voice coil loudspeaker voice coil top is arranged
There is dust cap, u-shaped conductive magnetic yoke is omitted.Two voice coil loudspeaker voice coils are arranged in parallel, and voice coil leads are all connected with patch panel.Two voice coil loudspeaker voice coils run through
Band ring sound basin, drives the vibration of sound basin, to external radiation sound after voice coil loudspeaker voice coil energising.This kind of two magnetic route structure makes magnetic circuit of loudspeaker drive
Kinetic force is strengthened, and in the case of not increasing speaker thickness, can obtain not only loudspeaker design long but also narrow.But, this practicality
The voice coil loudspeaker voice coil of the thin speaker of new two magnetic route structure is arranged in parallel, and impedance is little, and the tonequality of speaker is not good.
[content of the invention]
The technical problem to be solved in the present invention is to provide a kind of speaker of the good multipath magnetic circuit structure of tonequality.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is, a kind of speaker of multipath magnetic circuit structure, bag
Include frame, sound film and a plurality of driver element, described driver element all includes magnetic circuit system and voice coil loudspeaker voice coil；Magnetic circuit system is fixed on basin
In frame, the edge of sound film is fixed on the edge of frame opening, and one end of voice coil loudspeaker voice coil is located in the magnetic gap of described magnetic circuit system, voice coil loudspeaker voice coil
The other end be fixed on sound film；A plurality of voice coil loudspeaker voice coil series connection.
Loudspeaker described above, a plurality of voice coil loudspeaker voice coils are by same wire coiling.
Loudspeaker described above, sound film includes and driver element quantity identical consonant film, and a plurality of consonant films are mutual
Connect；Voice coil loudspeaker voice coil is fixed on the middle part of consonant film bottom surface.
Loudspeaker described above, frame includes and driver element quantity identical bore, and magnetic circuit system is arranged on bore
In.
Loudspeaker described above, magnetic circuit system includes annular magnet, t shape ferrum and washer, annular magnet, t shape ferrum and China
Department is embedded in frame bore；T shape ferrum includes center column and bead, and annular magnet is arranged in above bead, and washer is arranged in
Above annular magnet, center column is arranged in annular magnet and the endoporus of washer, annular magnet and washer and center column it
Between gap be described magnetic gap.
Loudspeaker described above, magnetic circuit system includes cylindrical magnetic iron, u shape ferrum and washer, and u shape ferrum is embedded in frame bore
In；Cylindrical magnetic iron arranges the top of u shape iron bottom plate, and washer is arranged in above cylindrical magnetic iron；Cylindrical magnetic iron and washer and u shape ferrum side
Gap between wall is described magnetic gap.
Loudspeaker described above, including adjustable sound paper, the center of magnetic circuit system includes sound regulating hole, and adjustable sound paper is pasted onto tuning
On the bottom surface of u shape ferrum or t shape ferrum outside hole.
Loudspeaker described above, including pressure ring, frame top perimeter includes groove, and the periphery of groove includes convex annular
Platform, the edge of sound film is pasted in a groove, and pressure ring is pasted onto on the top surface of sound film edge and the inwall of annular boss.
Loudspeaker described above, described driver element is two, and frame and sound film are 8-shaped.
Loudspeaker described above, including pcb plate, the lead of voice coil loudspeaker voice coil is connected with pcb plate, and pcb plate is fixed on the bottom of frame
Face.
The present invention a plurality of consonant circle is connected in series, and increased the impedance of speaker, makes alt finer and smoother
Details is abundanter, and a plurality of magnetic loops produce powerful power together simultaneously, makes speaker dynamically more preferable, and transient state is more preferably, clever
Sensitivity also can be obviously improved, and can perfectly represent the sound in low alt domain under equivalent sound amount, and sound becomes apparent from, more
Added with stereovision.
[brief description]
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the top view of the speaker of the embodiment of the present invention 1 and 2 two magnetic route structures.
Fig. 2 is the longitudinal sectional drawing of the speaker of the embodiment of the present invention 1 two magnetic route structure.
Fig. 3 is the decomposing schematic representation of the speaker of the embodiment of the present invention 1 two magnetic route structure.
Fig. 4 is the longitudinal sectional drawing of the speaker of the embodiment of the present invention 2 two magnetic route structure.
Fig. 5 is the decomposing schematic representation of the speaker of the embodiment of the present invention 2 two magnetic route structure..
Fig. 6 is the transverse cross-sectional view of the speaker of the embodiment of the present invention 1 two magnetic route structure.
Fig. 7 is the transverse cross-sectional view of the speaker of the embodiment of the present invention 2 two magnetic route structure.
[specific embodiment]
The structure of the speaker of the embodiment of the present invention 1 two magnetic route structure, as shown in Fig. 1 to Fig. 3 and Fig. 6, is that internal magnetic type is raised one's voice
Device, including 8-shaped frame 7,8-shaped sound film 1, the copper pressure ring 3 of 8-shaped, pcb plate 8 and two driver elements.
Driver element all includes magnetic circuit system and voice coil loudspeaker voice coil 2.Frame 7 has two bore, and magnetic circuit system is arranged in bore.
Two voice coil loudspeaker voice coils 2, by same wire coiling, are serially connected.
Frame 7 top perimeter has the groove of a circle 8-shaped, and the periphery of groove has the annular boss 701 of a circle 8-shaped, sound
The edge of film 1 is pasted in a groove, and pressure ring 3 is pasted onto on the top surface at sound film 1 edge and the inwall of annular boss 701.
8-shaped sound film 1 includes two consonant films 101, and two consonant films 101 are connected with each other, during installation, the convex surface court of sound film
On.The lower end of voice coil loudspeaker voice coil 2 is located in the magnetic gap 602 of magnetic circuit system, and the upper end of voice coil loudspeaker voice coil 2 is bonded in the middle part of consonant film 101 bottom surface.
The lead of voice coil loudspeaker voice coil 2 is connected with pcb plate 8, and pcb plate 8 is bonded in the bottom surface of frame 7.
Magnetic circuit system includes cylinder-shaped magnet 5, u shape ferrum 6 and washer 4, and cylinder-shaped magnet 5, u shape ferrum 6 and washer 4 constitute one
Individual magnetic loop.The outer rim of u shape ferrum 6 is embedded in the bore of frame 7.Cylinder-shaped magnet 5 arranges the top of u shape ferrum 6 base plate, washer
4 are arranged in above cylinder-shaped magnet 5.Gap between cylinder-shaped magnet 5 and washer 4 and u shape ferrum 6 side wall is magnetic gap 602, makees
Accommodation space for voice coil loudspeaker voice coil 2.
There is a sound regulating hole 601 at the center of cylinder-shaped magnet 5, u shape ferrum 6 and washer 4, and adjustable sound paper 9 is pasted onto sound regulating hole 601
Outside, on the bottom surface of u shape ferrum 6.
The structure of the speaker of the embodiment of the present invention 2 two magnetic route structure, as shown in Fig. 1, Fig. 4, Fig. 5 and Fig. 7, is external magnetic type
Speaker, from embodiment 1 to differ only in magnetic circuit system different.
The magnetic circuit system of the speaker of embodiment 2 two magnetic route structure includes annular magnet 10, t shape ferrum 11 and washer 4.Annular
Magnet 10, t shape ferrum 11 and washer 4 are embedded in frame 7 bore.T shape ferrum 11 includes center column 1101 and bead 1102, annular
Magnet 10 is arranged in the top of bead 1102, and washer 4 is arranged in above annular magnet 10, and center column 1101 is arranged in annular magnetic
In the endoporus of ferrum 10 and washer 4, the gap between annular magnet 10 and washer 4 and center column is magnetic gap 1102.
There is a sound regulating hole 1101 at the center of t shape ferrum 11, and adjustable sound paper 9 is pasted onto outside sound regulating hole 1101, the bottom of t shape ferrum 11
On face.
The structure and principle of the present invention is illustrated above, in practical application taking the speaker of two magnetic route structure as a example
In, the driver element of speaker can be multiple (two or more), and consonant film can vary or equally big, magnetic circuit system and
Voice coil loudspeaker voice coil equally can vary or equally big.
The speaker of above example multipath magnetic circuit structure of the present invention changes the loudspeaker that traditional single magnetic returns structure, optimizes product
Structure, is connected in series by a plurality of voice coil loudspeaker voice coils of a wire coiling completely, increased loudspeaker impedances, make alt more
Fine and smooth details is abundanter, and a plurality of magnetic loops produce powerful power together simultaneously, makes loudspeaker dynamically more preferable, transient state more preferably,
Sensitivity also can be obviously improved, and series connection loudspeaker can perfectly represent the sound in low alt domain under equivalent sound amount, and sound
Become apparent from the sense that more has levels.Therefore, present configuration technique is new simple, and electroacoustic performance is more excellent, and practicality is more extensive,
Small product size smallerization.
Below schematically the present invention and embodiments thereof are described, this description does not have restricted, institute in accompanying drawing
Show is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if the common skill of this area
Art personnel enlightened by it, in the case of without departing from the invention objective, without creatively designing and this technical scheme
Similar frame mode and embodiment, all should belong to protection scope of the present invention.
Claims (10)
1. a kind of speaker of multipath magnetic circuit structure, including frame, sound film and a plurality of driver element, described driver element all includes
Magnetic circuit system and voice coil loudspeaker voice coil；Magnetic circuit system is fixed in frame, and the edge of sound film is fixed on the edge of frame opening, one end of voice coil loudspeaker voice coil
In the magnetic gap of described magnetic circuit system, the other end of voice coil loudspeaker voice coil is fixed on sound film；It is characterized in that, a plurality of voice coil loudspeaker voice coil strings
Connection.
2. speaker according to claim 1 is it is characterised in that a plurality of voice coil loudspeaker voice coil is by same wire coiling.
3. speaker according to claim 1 is it is characterised in that sound film includes and driver element quantity identical consonant
Film, a plurality of consonant films are connected with each other；Voice coil loudspeaker voice coil is fixed on the middle part of consonant film bottom surface.
4. speaker according to claim 1 is it is characterised in that frame includes and driver element quantity identical bore,
Magnetic circuit system is arranged in bore.
5. speaker according to claim 4 is it is characterised in that magnetic circuit system includes annular magnet, t shape ferrum and washer,
Annular magnet, t shape ferrum and washer are embedded in frame bore；T shape ferrum includes center column and bead, and annular magnet is arranged in prominent
Above edge, washer is arranged in above annular magnet, and center column is arranged in annular magnet and the endoporus of washer, annular magnet and
Gap between washer and center column is described magnetic gap.
6. speaker according to claim 4 is it is characterised in that magnetic circuit system includes cylindrical magnetic iron, u shape ferrum and washer, u
Shape ferrum is embedded in frame bore；Cylindrical magnetic iron arranges the top of u shape iron bottom plate, and washer is arranged in above cylindrical magnetic iron；Cylindricality
Gap between Magnet and washer and u shape ferrum side wall is described magnetic gap.
7. it is characterised in that including adjustable sound paper, the center of magnetic circuit system includes adjusting the speaker according to claim 5 or 6
Sound hole, adjustable sound paper is pasted onto on the outer u shape ferrum of sound regulating hole or the bottom surface of t shape ferrum.
8. it is characterised in that including pressure ring, frame top perimeter includes groove, groove to speaker according to claim 1
Periphery include annular boss, the edge of sound film is pasted in a groove, and pressure ring is pasted onto top surface and the annular boss of sound film edge
Inwall on.
9. it is characterised in that described driver element is two, frame and sound film are 8 words to speaker according to claim 1
Shape.
10. it is characterised in that including pcb plate, the lead of voice coil loudspeaker voice coil is connected speaker according to claim 1 with pcb plate,
Pcb plate is fixed on the bottom surface of frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611103912.7A CN106341761A (en) | 2016-12-05 | 2016-12-05 | Loudspeaker with multipath magnetic circuit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611103912.7A CN106341761A (en) | 2016-12-05 | 2016-12-05 | Loudspeaker with multipath magnetic circuit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106341761A true CN106341761A (en) | 2017-01-18 |
Family
ID=57841611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611103912.7A Pending CN106341761A (en) | 2016-12-05 | 2016-12-05 | Loudspeaker with multipath magnetic circuit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106341761A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021007982A1 (en) * | 2019-07-15 | 2021-01-21 | 苏州茹声电子有限公司 | Multi-path input-driving small loudspeaker and mid-treble loudspeaker |
| CN113891222A (en) * | 2021-10-15 | 2022-01-04 | 东莞市格雷特电子科技有限公司 | Ultra-thin bass unit with series magnetic circuits |
| CN114640928A (en) * | 2022-03-11 | 2022-06-17 | 海宁市西米尼科技有限公司 | Loudspeaker of multi-center-pillar magnetic circuit system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2371750Y (en) * | 1999-01-06 | 2000-03-29 | 龙岗区布吉镇国泰乐仕音响厂 | Loudspeaker |
| 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 |
| CN101815233A (en) * | 2009-02-24 | 2010-08-25 | 安桥株式会社 | Voice coil assembly and loudspeaker using the same |
| CN202406286U (en) * | 2011-11-18 | 2012-08-29 | 深圳市四季春科技有限公司 | Dual drive double balance radiation type loudspeaker |
| US20140105445A1 (en) * | 2011-05-11 | 2014-04-17 | Exelway Inc. | Flat-panel speaker having a multilayer pcb pattern voice coil film |
| CN203912186U (en) * | 2014-06-16 | 2014-10-29 | 苏州东立电子有限公司 | Single-diaphragm double-magnetic-circuit loudspeaker |
| CN105100999A (en) * | 2015-09-01 | 2015-11-25 | 深圳第一蓝筹科技有限公司 | Dual impedance earphone |
| CN206283668U (en) * | 2016-12-05 | 2017-06-27 | 陈新得 | A kind of loudspeaker of multipath magnetic circuit structure |
-
2016
- 2016-12-05 CN CN201611103912.7A patent/CN106341761A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2371750Y (en) * | 1999-01-06 | 2000-03-29 | 龙岗区布吉镇国泰乐仕音响厂 | Loudspeaker |
| 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 |
| CN101815233A (en) * | 2009-02-24 | 2010-08-25 | 安桥株式会社 | Voice coil assembly and loudspeaker using the same |
| US20140105445A1 (en) * | 2011-05-11 | 2014-04-17 | Exelway Inc. | Flat-panel speaker having a multilayer pcb pattern voice coil film |
| CN202406286U (en) * | 2011-11-18 | 2012-08-29 | 深圳市四季春科技有限公司 | Dual drive double balance radiation type loudspeaker |
| CN203912186U (en) * | 2014-06-16 | 2014-10-29 | 苏州东立电子有限公司 | Single-diaphragm double-magnetic-circuit loudspeaker |
| CN105100999A (en) * | 2015-09-01 | 2015-11-25 | 深圳第一蓝筹科技有限公司 | Dual impedance earphone |
| CN206283668U (en) * | 2016-12-05 | 2017-06-27 | 陈新得 | A kind of loudspeaker of multipath magnetic circuit structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021007982A1 (en) * | 2019-07-15 | 2021-01-21 | 苏州茹声电子有限公司 | Multi-path input-driving small loudspeaker and mid-treble loudspeaker |
| US11997467B2 (en) | 2019-07-15 | 2024-05-28 | Suzhou Rusheng Electronics Co., Ltd. | Multi-input-driving small loudspeaker and mid-treble loudspeaker |
| CN113891222A (en) * | 2021-10-15 | 2022-01-04 | 东莞市格雷特电子科技有限公司 | Ultra-thin bass unit with series magnetic circuits |
| CN113891222B (en) * | 2021-10-15 | 2024-01-26 | 东莞市格雷特电子科技有限公司 | Ultra-thin bass unit with series magnetic circuit |
| CN114640928A (en) * | 2022-03-11 | 2022-06-17 | 海宁市西米尼科技有限公司 | Loudspeaker of multi-center-pillar magnetic circuit system |
| CN114640928B (en) * | 2022-03-11 | 2023-06-27 | 海宁市西米尼科技有限公司 | Loudspeaker of multi-center pillar magnetic circuit system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170118 |