CN206283668U - A kind of loudspeaker of multipath magnetic circuit structure - Google Patents
A kind of loudspeaker of multipath magnetic circuit structure Download PDFInfo
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- CN206283668U CN206283668U CN201621325804.XU CN201621325804U CN206283668U CN 206283668 U CN206283668 U CN 206283668U CN 201621325804 U CN201621325804 U CN 201621325804U CN 206283668 U CN206283668 U CN 206283668U
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- voice coil
- loudspeaker
- sound
- magnetic circuit
- iron
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Abstract
The utility model discloses a kind of loudspeaker of multipath magnetic circuit structure, including frame, sound film and a plurality of driver elements, the driver element 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, and one end of voice coil loudspeaker voice coil is located in the magnetic gap of the magnetic circuit system, and the other end of voice coil loudspeaker voice coil is fixed on sound film；A plurality of voice coil loudspeaker voice coil series connection.The a plurality of consonant circles of the utility model are connected in series, increased the impedance of loudspeaker, the finer and smoother details of alt is set more to enrich, a plurality of magnetic loops produce powerful power together simultaneously, make loudspeaker dynamic more preferably, and transient state is more preferably, sensitivity can also be obviously improved, the sound in low alt domain can perfectly be represented under equivalent sound amount, and sound becomes apparent from, more have levels sense.
Description
[technical field]
The utility model is related to loudspeaker, more particularly to a kind of loudspeaker of multipath magnetic circuit structure.
[background technology]
The loudspeaker of the plate video equipment such as LCD, PDP is applied to, in order that it is narrower to obtain whole loudspeaker unit structure
It is thinner, typically can be using the speaker frame of more flat sleeve configuration and sound basin.But long and narrowization of sound basin shape so that sound basin
In the case where traditional list magnetic circuit drives, the discontinuity equalization at long axis direction two ends, causes 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 set
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 connected with terminal plate.Two voice coil loudspeaker voice coils run through
Band ring sound basin, voice coil loudspeaker voice coil drives the vibration of sound basin after being powered, to external radiation sound.This kind of two magnetic route structure causes that magnetic circuit of loudspeaker drives
Kinetic force is strengthened, and in the case where loudspeaker thickness is not increased, loudspeaker design can be obtained not only into long but also narrow.But, the practicality
The voice coil loudspeaker voice coil of the thin speaker of new two magnetic route structure is arranged in parallel, and impedance is small, and the tonequality of loudspeaker is not good enough.
[content of the invention]
The technical problems to be solved in the utility model is to provide a kind of loudspeaker of the good multipath magnetic circuit structure of tonequality.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is, a kind of multipath magnetic circuit structure is raised one's voice
Device, including frame, sound film and a plurality of driver elements, the driver element include magnetic circuit system and voice coil loudspeaker voice coil；Magnetic circuit system is consolidated
It is scheduled in frame, the edge of sound film is fixed on the edge of frame opening, one end of voice coil loudspeaker voice coil is located at the magnetic gap of the magnetic circuit system
Interior, the other end of voice coil loudspeaker voice coil is 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 include with driver element quantity identical consonant film, a plurality of consonant films are mutual
Connection；Voice coil loudspeaker voice coil is fixed on the middle part of consonant film bottom surface.
Loudspeaker described above, frame includes being arranged on bore with driver element quantity identical bore, magnetic circuit system
In.
Loudspeaker described above, magnetic circuit system includes annular magnet, T-shaped iron and washer, annular magnet, T-shaped iron and China
Department is embedded in frame bore；T-shaped iron includes center column and bead, and annular magnet is arranged in bead top, and washer is arranged in
Annular magnet top, center column is arranged in the endoporus of annular magnet and 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-iron and washer, and U-iron is embedded in frame bore
In；Cylindrical magnetic iron arranges the top of U-iron base plate, and washer is arranged in cylindrical magnetic iron top；Cylindrical magnetic iron and washer and U-iron side
Gap between wall is described magnetic gap.
Loudspeaker described above, including adjustable sound paper, the center of magnetic circuit system include sound regulating hole, and adjustable sound paper is pasted onto tuning
Outside hole on the bottom surface of U-iron or T-shaped iron.
Loudspeaker described above, including pressure ring, frame top perimeter include 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 inwall of the top surface of sound film edge and annular boss.
Loudspeaker described above, the driver element is two, and frame and sound film are 8-shaped.
Loudspeaker described above, including pcb board, the lead of voice coil loudspeaker voice coil are connected with pcb board, and pcb board is fixed on the bottom of frame
Face.
The a plurality of consonant circles of the utility model are connected in series, and increased the impedance of loudspeaker, make alt more
Fine and smooth details is more enriched, while a plurality of magnetic loops produce powerful power together, makes loudspeaker dynamic more preferably, and transient state is more
Good, sensitivity can be also obviously improved, and the sound in low alt domain can be perfectly represented under equivalent sound amount, and sound is more clear
Clear, more have levels sense.
[brief description of the drawings]
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the top view of the loudspeaker of the two magnetic route structure of the utility model embodiment 1 and 2.
Fig. 2 is the longitudinal sectional drawing of the loudspeaker of the two magnetic route structure of the utility model embodiment 1.
Fig. 3 is the decomposing schematic representation of the loudspeaker of the two magnetic route structure of the utility model embodiment 1.
Fig. 4 is the longitudinal sectional drawing of the loudspeaker of the two magnetic route structure of the utility model embodiment 2.
Fig. 5 is the decomposing schematic representation of the loudspeaker of the two magnetic route structure of the utility model embodiment 2..
Fig. 6 is the transverse cross-sectional view of the loudspeaker of the two magnetic route structure of the utility model embodiment 1.
Fig. 7 is the transverse cross-sectional view of the loudspeaker of the two magnetic route structure of the utility model embodiment 2.
[specific embodiment]
The structure of the loudspeaker of the two magnetic route structure of the utility model embodiment 1 is internal magnetic type as shown in Fig. 1 to Fig. 3 and Fig. 6
Loudspeaker, including 8-shaped frame 7, the copper pressure ring 3 of 8-shaped sound film 1,8-shaped, pcb board 8 and two driver element
Driver element 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 are serially connected by same wire coiling.
The top perimeter of frame 7 has the groove of a circle 8-shaped, and there are the annular boss 701 of a circle 8-shaped, sound in the periphery of groove
The edge of film 1 is pasted in a groove, and pressure ring 3 is pasted onto on the inwall of the top surface at the edge of sound film 1 and 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 the bottom surface of consonant film 101.
The lead of voice coil loudspeaker voice coil 2 is connected with pcb board 8, and pcb board 8 is bonded in the bottom surface of frame 7.
Magnetic circuit system includes cylinder-shaped magnet 5, U-iron 6 and washer 4, and cylinder-shaped magnet 5, U-iron 6 and washer 4 constitute one
Individual magnetic loop.The outer rim of U-iron 6 is embedded in the bore of frame 7.Cylinder-shaped magnet 5 arranges the top of the base plate of U-iron 6, washer
4 are arranged in the top of cylinder-shaped magnet 5.Gap between cylinder-shaped magnet 5 and washer 4 and the side wall of U-iron 6 is magnetic gap 602, is made
It is the accommodation space of voice coil loudspeaker voice coil 2.
There is a sound regulating hole 601 at the center of cylinder-shaped magnet 5, U-iron 6 and washer 4, and adjustable sound paper 9 is pasted onto sound regulating hole 601
Outside, on the bottom surface of U-iron 6.
The structure of the loudspeaker of the two magnetic route structure of the utility model embodiment 2 is outer as shown in Fig. 1, Fig. 4, Fig. 5 and Fig. 7
Magnetic-type loudspeaker, from embodiment 1 to differ only in magnetic circuit system different.
The magnetic circuit system of the loudspeaker of the two magnetic route structure of embodiment 2 includes annular magnet 10, T-shaped iron 11 and washer 4.Annular
Magnet 10, T-shaped iron 11 and washer 4 are embedded in the bore of frame 7.T-shaped iron 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 the top of annular magnet 10, and center column 1101 is arranged in annular magnetic
In the endoporus of iron 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-shaped iron 11, and adjustable sound paper 9 is pasted onto the outside of sound regulating hole 1101, the bottom of T-shaped iron 11
On face.
Structure of the present utility model and principle are illustrated by taking the loudspeaker of two magnetic route structure as an example above, in reality
In, the driver element of loudspeaker can be multiple (two or more), and consonant film can vary or equally big, magnetic circuit system
System can equally be varied with voice coil loudspeaker voice coil or as it is big.
The loudspeaker of the utility model above example multipath magnetic circuit structure changes the loudspeaker that traditional single magnetic returns structure, optimization
Product structure, is connected in series by a plurality of voice coil loudspeaker voice coils of a wire coiling completely, increased loudspeaker impedances, makes alt
Finer and smoother details is more enriched, while a plurality of magnetic loops produce powerful power together, makes loudspeaker dynamic more preferably, and transient state is more
Good, sensitivity can also be obviously improved, and series connection loudspeaker can perfectly represent the sound in low alt domain, and sound under equivalent sound amount
Sound becomes apparent from the sense that more has levels.Therefore, the utility model structural manufacturing process is new simple, and electroacoustic performance is more excellent, practicality
More extensively, small product size smallerization.
Below schematically the utility model and embodiments thereof are described, the description does not have restricted, accompanying drawing
Shown in be also one of implementation method of the present utility model, actual structure is not limited thereto.So, if this area
Those of ordinary skill enlightened by it, do not departing from the case that the utility model creates objective, without creatively designing
The frame mode similar to the technical scheme and embodiment, all should belong to protection domain of the present utility model.
Claims (10)
1. a kind of loudspeaker of multipath magnetic circuit structure, including frame, sound film and a plurality of driver elements, the driver element include
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 the magnetic circuit system, the other end of voice coil loudspeaker voice coil is fixed on sound film；Characterized in that, a plurality of voice coil loudspeaker voice coil strings
Connection.
2. loudspeaker according to claim 1, it is characterised in that a plurality of voice coil loudspeaker voice coils are by same wire coiling.
3. loudspeaker according to claim 1, 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. loudspeaker according to claim 1, it is characterised in that frame include with driver element quantity identical bore,
Magnetic circuit system is arranged in bore.
5. loudspeaker according to claim 4, it is characterised in that magnetic circuit system includes annular magnet, T-shaped iron and washer,
Annular magnet, T-shaped iron and washer are embedded in frame bore；T-shaped iron includes center column and bead, and annular magnet is arranged in prominent
Edge top, washer is arranged in annular magnet top, and center column is arranged in the endoporus of annular magnet and washer, annular magnet and
Gap between washer and center column is described magnetic gap.
6. loudspeaker according to claim 4, it is characterised in that magnetic circuit system includes cylindrical magnetic iron, U-iron and washer, U
Shape iron is embedded in frame bore；Cylindrical magnetic iron arranges the top of U-iron base plate, and washer is arranged in cylindrical magnetic iron top；Cylindricality
Gap between magnet and washer and U-iron side wall is described magnetic gap.
7. the loudspeaker according to claim 5 or 6, it is characterised in that including adjustable sound paper, the center of magnetic circuit system includes adjusting
Sound hole, adjustable sound paper is pasted onto on the bottom surface of the outer U-iron of sound regulating hole or T-shaped iron.
8. loudspeaker according to claim 1, it is characterised in that including pressure ring, frame top perimeter includes groove, groove
Periphery include annular boss, the edge of sound film is pasted in a groove, and pressure ring is pasted onto the top surface and annular boss of sound film edge
Inwall on.
9. loudspeaker according to claim 1, it is characterised in that the driver element is two, frame and sound film are 8 words
Shape.
10. loudspeaker according to claim 1, it is characterised in that including pcb board, the lead of voice coil loudspeaker voice coil is connected with pcb board,
Pcb board is fixed on the bottom surface of frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621325804.XU CN206283668U (en) | 2016-12-05 | 2016-12-05 | A kind of loudspeaker of multipath magnetic circuit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621325804.XU CN206283668U (en) | 2016-12-05 | 2016-12-05 | A kind of loudspeaker of multipath magnetic circuit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206283668U true CN206283668U (en) | 2017-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621325804.XU Active CN206283668U (en) | 2016-12-05 | 2016-12-05 | A kind of loudspeaker of multipath magnetic circuit structure |
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| Country | Link |
|---|---|
| CN (1) | CN206283668U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106341761A (en) * | 2016-12-05 | 2017-01-18 | 陈新得 | Loudspeaker with multipath magnetic circuit structure |
-
2016
- 2016-12-05 CN CN201621325804.XU patent/CN206283668U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106341761A (en) * | 2016-12-05 | 2017-01-18 | 陈新得 | Loudspeaker with multipath magnetic circuit structure |
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