CN104581574B - Modified impedance adjustable formula magnetic driving mechanism and its receiver - Google Patents
Modified impedance adjustable formula magnetic driving mechanism and its receiver Download PDFInfo
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- CN104581574B CN104581574B CN201410850443.XA CN201410850443A CN104581574B CN 104581574 B CN104581574 B CN 104581574B CN 201410850443 A CN201410850443 A CN 201410850443A CN 104581574 B CN104581574 B CN 104581574B
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- coil
- metal wire
- armature
- iron core
- driving mechanism
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- 239000002184 metal Substances 0.000 claims abstract description 39
- 229910052751 metal Inorganic materials 0.000 claims abstract description 39
- 230000002463 transducing effect Effects 0.000 claims abstract description 36
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 125000003396 thiol group Chemical class [H]S* 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Electromagnets (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The invention discloses a kind of modified impedance adjustable formula magnetic driving mechanism and its receivers, modified impedance adjustable formula magnetic driving mechanism includes armature, coil and iron core, armature includes fixed part and vibration transducing portion, coil and iron core are sheathed on successively in vibration transducing portion, the both sides up and down in vibration transducing portion are respectively equipped with permanent magnet, permanent magnet is fixedly connected with the inner surface of iron core, coil is that at least two strands of metal wires are entwined and the length of metal wire is different, the end of incoming cables of metal wire or leading-out terminal is connected and either end is connected with ground wire.The length of metal wire is different in the present invention, the number of turns for the coil that metal wire is entwined is different, the impedance of generation is different, the impedance of adjustable magnetic power drive mechanism according to demand is suitable for the receiver of different impedance requirements, more convenient, on the other hand, ground wire avoids the positive and negative anodes short circuit of Low ESR coil, reduces noise, improves anti-interference ability.
Description
Technical field
The present invention relates to a kind of modified impedance adjustable formula magnetic driving mechanism and its receivers.
Background technology
Magnetic driving mechanism is a critically important component in receiver, includes mainly armature, coil and iron core, work
When making, coil is passed through ac signal and generates magnetic field, changes to carrying out magnetic (pole) as the armature of thiol, is changed by magnetic (pole)
Armature then repels each other according to the same sex (pole), the attracting principle of different (pole) property up-down vibration in two permanent magnets.
In the receiver produced at present, it is all the needs for needing to be equipped with product according to client to be all for impedance value producer
And be arranged, this impedance value cannot be adjusted in the later stage in, cannot be satisfied the client of different demands, another party
The positive and negative anodes in face, coil easy to produce short circuit, influence service life.
Invention content
In order to solve the above technical problem, the present invention provides a kind of modified impedance adjustable formula magnetic driving mechanism and its
Receiver.
In order to achieve the above object, technical scheme is as follows：
The present invention provides a kind of modified impedance adjustable formula magnetic driving mechanism, is used for receiver, the modified impedance
Adjustable magnetic driving mechanism includes armature, coil and iron core, and armature includes fixed part and vibration transducing portion, coil and iron core according to
Secondary to be sheathed in vibration transducing portion, the both sides up and down in vibration transducing portion are respectively equipped with permanent magnet, the inside table of permanent magnet and iron core
Face is fixedly connected, and coil is that at least two strands of metal wires are entwined and the length of metal wire is different, the end of incoming cables of metal wire or is gone out
Line end is connected and either end is connected with ground wire.
The length of metal wire is different in the present invention, and the number of turns for the coil that metal wire is entwined is different, and the impedance of generation is not
Together, the impedance of adjustable magnetic power drive mechanism according to demand is suitable for the receiver of different impedance requirements, more convenient, another
Aspect, ground wire avoid the positive and negative anodes short circuit of Low ESR coil, reduce noise, improve anti-interference ability.
According to actual conditions, it can be selected that above-mentioned armature is E types armature or U-shaped armature, E types armature or U-shaped armature
Fixed part is fixedly connected with the outer surface of iron core, and the structure of armature can select according to demand.
Wherein, above-mentioned coil is that the first metal wire and the second metal wire are entwined, and the length of the second metal wire is the
The half of one wire lengths, the first metal wire are connected with the end of incoming cables of the second metal wire or leading-out terminal.The length of second metal wire
Degree is the half of the first wire lengths, realizes different impedances, is suitable for the receiver of different impedance requirements, more convenient.
Based on the above technical solution, following improvement can also be done：
As a preferred option, at least one cushion block is provided on above-mentioned coil, cushion block is flexible in its short transverse
Formula structure.
Using the above preferred scheme, the height of cushion block is adjusted, it can be with the structure size of alihnment coil, to alihnment coil
Impedance.
As a preferred option, oxide layer is coated on above-mentioned at least one coil.
Using the above preferred scheme, oxide layer can effectively prevent metal wire oxidation, extend its service life.
As a preferred option, any axial end face of above-mentioned coil is be bonded with iron core forms adhesive surface, coil up and down
Inner chamber body extends to form protruding portion to vibration transducing portion, and the distance between protruding portion to the vibration transducing portion is arrived less than permanent magnet
Vibrate the distance between transducing portion.
Using the above preferred scheme, when armature is by larger impact force, the vibration transducing portion of armature upwards or
After slamming down to coil, protruding portion forms screen resilience to armature so that and vibration transducing portion may return to the middle position of starting,
Without being attracted with the permanent magnet in iron core, vibration transducing failure is caused.
As a preferred option, protruding portion is arranged close to adhesive surface, and protruding portion is integrally formed with coil.
Using the above preferred scheme, when armature is by impact force, protruding portion can preferably avoid the vibration of armature from changing
Energy portion is attracted on the permanent magnet to iron core, while protruding portion is integrally formed with coil, handling ease.
As a preferred option, the endoporus of above-mentioned coil is bellmouth, and the vertex of a cone of bellmouth is close to adhesive surface.
Using the above preferred scheme, due to the line mould high speed rotation in coil winding, there is prodigious centrifugal force, for
The shape of coil is not easy to control, but simultaneously because the resistance to coil requires, often has very high want to the coiling precision of line mould again
It asks.And the coil in the present invention makes endoporus be bellmouth by taper mould coiling, taper mould is in coiling to the shape of coil
Shape has the leeway of adjusting, follows the coiling shape of line mould, the appearance and size of coil will not change too much, while to line mould
Requirement on machining accuracy also can be relatively lower, and on the other hand, taper mould stress point of coil in draft focuses only on aperture
Smallest size of place, it is also smaller to the injury of coil after draft.
As a preferred option, it is extended to form to permanent magnet in the vibration transducing portion upper and lower ends face of above-mentioned armature prominent
Portion.
Using the above preferred scheme, protruding portion is set in the vibration transducing portion of armature, in armature by larger impact
When power, protruding portion can be attracted to avoid vibration transducing portion on the permanent magnet to iron core, cause vibration transducing failure.
As a preferred option, the present invention also provides a kind of receivers, including：
Can；
Above-mentioned modified impedance adjustable formula magnetic driving mechanism, is set in can, modified impedance adjustable formula magnetic
The ground wire of power drive mechanism is connect with can.
Description of the drawings
Fig. 1 is the structural schematic diagram of one embodiment of the present invention.
Fig. 2 is the structural schematic diagram of another embodiment of the present invention coil.
Fig. 3 is the structural schematic diagram of another embodiment of the present invention.
Fig. 4 is the structural schematic diagram of another embodiment of the present invention.
Fig. 5 is the structural schematic diagram of another embodiment of the present invention.
Wherein, 10. armature, 11. fixed parts, 12. vibration transducing portions, 20. coils, 21. ends of incoming cables, 22. leading-out terminals, 23.
Protruding portion, 24. cushion blocks, 30. iron cores, 40. permanent magnets.
Specific implementation mode
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
In order to reach the purpose of the present invention, change as shown in Figure 1, providing one kind in the one of which embodiment of the present invention
Into type impedance adjustable formula magnetic driving mechanism, be used for receiver, modified impedance adjustable formula magnetic driving mechanism include armature 10,
Coil 20 and iron core 30, armature 10 include fixed part 11 and vibration transducing portion 12, and coil 20 and iron core 30 are sheathed on vibration successively
In transducing portion 12, the both sides up and down in vibration transducing portion 12 are respectively equipped with permanent magnet 40, the inner surface of permanent magnet 40 and iron core 30
It is fixedly connected, coil 20 is that two strands of metal wires are entwined and the length of metal wire is different, and the end of incoming cables of metal wire is connected and should
End of incoming cables is connected with ground wire (not shown).
The length of metal wire is different in present embodiment, and the number of turns for the coil 20 that metal wire is entwined is different, generation
Impedance is different, the impedance of adjustable magnetic power drive mechanism according to demand, is suitable for the receiver of different impedance requirements, more just
Just, on the other hand, ground wire avoids the positive and negative anodes short circuit of Low ESR coil, reduces noise, improves anti-interference ability.
According to actual conditions, it can be selected that above-mentioned armature 10 selects U-shaped armature, fixed part and the iron core 30 of U-shaped armature
Outer surface be fixedly connected；E type armatures, the outer surface of the fixed part and iron core 30 of E type armatures also can be selected in above-mentioned armature 10
It is fixedly connected, the structure of armature 10 can select according to demand, be not limited only to present embodiment.
Wherein, above-mentioned coil 20 is that the first metal wire and the second metal wire are entwined, and the length of the second metal wire is
The half of first wire lengths, the first metal wire are connected with the end of incoming cables of the second metal wire.The length of second metal wire is
The half of one wire lengths realizes different impedances, is suitable for the receiver of different impedance requirements, more convenient.
As shown in Fig. 2, in order to further optimize the implementation result of the present invention, in another embodiment of the invention
In, on the basis of foregoing teachings, there are one cushion blocks 24 for setting on above-mentioned coil 20, and cushion block 24 is flexible in its short transverse
Formula structure.
Using the above preferred scheme, the height for adjusting cushion block 24, can be with the structure size of alihnment coil 20, to finely tune
The impedance of coil 20.
In order to further optimize the implementation result of the present invention, in another embodiment of the invention, aforementioned interior
On the basis of appearance, oxide layer is coated on above-mentioned coil 20.
Using the above preferred scheme, oxide layer can effectively prevent metal wire oxidation, extend its service life.
As shown in figure 3, in order to further optimize the implementation result of the present invention, in another embodiment of the invention
In, on the basis of foregoing teachings, above-mentioned 20 1 axial end face of coil is Nian Jie with iron core 30 to form adhesive surface, coil 20 it is upper
Lower inner cavity body extends to form protruding portion 23 to vibration transducing portion 12, and the distance between protruding portion 23 to vibration transducing portion 12 is less than forever
Magnet 40 arrives the distance between vibration transducing portion 12.
Using the above preferred scheme, when armature 10 is by larger impact force, the vibration transducing portion 12 of armature 10 to
After upper or slamming down to coil 20, protruding portion 23 forms screen resilience to armature 10 so that vibration transducing portion 12 may return to
Vibration transducing failure is caused without being attracted with the permanent magnet 40 in iron core 30 in the middle position of starting.
Wherein, protruding portion 23 is arranged close to adhesive surface, and protruding portion 23 is integrally formed with Low ESR coil 20.Protruding portion 23 leans on
Nearly adhesive surface, when armature 10 is by impact force, protruding portion 23 can preferably avoid the vibration transducing portion of armature 10 from being attracted to iron
On permanent magnet 40 in core 30, while protruding portion 23 is integrally formed with Low ESR coil 20, handling ease.
As shown in figure 4, in order to further optimize the implementation result of the present invention, in another embodiment of the invention
In, on the basis of foregoing teachings, the endoporus of above-mentioned coil 20 is bellmouth, and the vertex of a cone of bellmouth is close to adhesive surface.
Using the above preferred scheme, due to the line mould high speed rotation in 20 coiling of coil, there is prodigious centrifugal force, it is right
It is not easy to control in the shape of coil, but simultaneously because the resistance to coil 20 requires, often have again to the coiling precision of line mould very high
Requirement.And the coil 20 in present embodiment makes endoporus be bellmouth by taper mould coiling, taper mould is in coiling
The leeway for having adjusting to the shape of coil 20 follows the coiling shape of line mould, the appearance and size of coil 20 not to have too big change
Change, while also can be relatively lower to the requirement on machining accuracy of line mould, on the other hand, the stress of taper mould coil in draft
Point focuses only on the place of aperture size minimum, also smaller to the injury of coil after draft.
As shown in figure 5, in order to further optimize the implementation result of the present invention, in another embodiment of the invention
In, on the basis of foregoing teachings, extend shape to permanent magnet 40 in 12 upper and lower ends face of vibration transducing portion of above-mentioned armature 10
At protruding portion 23.
Using the above preferred scheme, when armature 10 is by larger impact force, protruding portion can be to avoid vibration transducing
12 are attracted to the permanent magnet 40 in iron core 30, cause vibration transducing failure.
In order to further optimize the implementation result of the present invention, in another embodiment of the invention, aforementioned interior
On the basis of appearance, the present invention also provides a kind of receivers, including：
Can；
Above-mentioned modified impedance adjustable formula magnetic driving mechanism, is set in can, modified impedance adjustable formula magnetic
The ground wire of power drive mechanism is connect with can.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (2)
1. modified impedance adjustable formula magnetic driving mechanism is used for receiver, which is characterized in that the modified impedance adjustable formula
Magnetic driving mechanism includes armature, coil and iron core, and the armature includes fixed part and vibration transducing portion, the coil and iron core
It is sheathed on successively in the vibration transducing portion, the both sides up and down in the vibration transducing portion are respectively equipped with permanent magnet, the permanent magnet
It is fixedly connected with the inner surface of the iron core, the coil is that at least two strands of metal wires are entwined and the length of the metal wire
Degree difference, the end of incoming cables of the metal wire or leading-out terminal are connected and either end is connected with ground wire；Any axial end of coil
Face is be bonded with the iron core to form adhesive surface, and the inner chamber body up and down of the coil extends to form prominent to the vibration transducing portion
Portion, the distance between described protruding portion to described vibration transducing portion be less than the permanent magnet to it is described vibrate between transducing portion away from
From the endoporus of the coil is bellmouth, and the vertex of a cone of the bellmouth is close to the adhesive surface；
The coil is that the first metal wire and the second metal wire are entwined, and the length of second metal wire is the first metal wire
The half of length, first metal wire are connected with the end of incoming cables of second metal wire or leading-out terminal；It is arranged on the coil
It is telescopic structure in its short transverse to have at least one cushion block, the cushion block；The coil is in cuboid, and the cushion block is in item
Shape, the cushion block protrude the both sides of coil along length direction；Oxide layer is coated on described at least one metal wire；It is described
Protruding portion is arranged close to the adhesive surface, and the protruding portion is integrally formed with the coil；The armature is E types armature or U-shaped
The fixed part of armature, the E types armature or U-shaped armature is fixedly connected with the outer surface of the iron core；The vibration of the armature is changed
In energy portion upper and lower ends face protruding portion is extended to form to the permanent magnet.
2. a kind of receiver, which is characterized in that including：
Can；
Modified impedance adjustable formula magnetic driving mechanism as described in claim 1, is set in the can, the improvement
The ground wire of type impedance adjustable formula magnetic driving mechanism is connect with the can.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850443.XA CN104581574B (en) | 2014-12-31 | 2014-12-31 | Modified impedance adjustable formula magnetic driving mechanism and its receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850443.XA CN104581574B (en) | 2014-12-31 | 2014-12-31 | Modified impedance adjustable formula magnetic driving mechanism and its receiver |
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| Publication Number | Publication Date |
|---|---|
| CN104581574A CN104581574A (en) | 2015-04-29 |
| CN104581574B true CN104581574B (en) | 2018-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410850443.XA Active CN104581574B (en) | 2014-12-31 | 2014-12-31 | Modified impedance adjustable formula magnetic driving mechanism and its receiver |
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| Country | Link |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103079139A (en) * | 2013-01-31 | 2013-05-01 | 苏州恒听电子有限公司 | Anti-collision falling-resisting type telephone receiver |
| CN103748378A (en) * | 2011-08-29 | 2014-04-23 | 丰田自动车株式会社 | Vehicle control system |
| CN203933944U (en) * | 2014-07-02 | 2014-11-05 | 洪建国 | The twin coil loud speaker of running gear |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4300022A (en) * | 1979-07-09 | 1981-11-10 | Canadian Patents & Dev. Limited | Multi-filar moving coil loudspeaker |
| JP2001300423A (en) * | 2000-04-25 | 2001-10-30 | Tokin Corp | Multifunctional vibration actuator |
| CN103747394B (en) * | 2013-12-27 | 2017-11-28 | 苏州逸巛声学科技有限公司 | A kind of receiver for reducing secondary modal distortion |
| CN204616090U (en) * | 2014-12-31 | 2015-09-02 | 苏州恒听电子有限公司 | Modified model impedance adjustable formula magnetic driving mechanism and receiver thereof |
-
2014
- 2014-12-31 CN CN201410850443.XA patent/CN104581574B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103748378A (en) * | 2011-08-29 | 2014-04-23 | 丰田自动车株式会社 | Vehicle control system |
| CN103079139A (en) * | 2013-01-31 | 2013-05-01 | 苏州恒听电子有限公司 | Anti-collision falling-resisting type telephone receiver |
| CN203933944U (en) * | 2014-07-02 | 2014-11-05 | 洪建国 | The twin coil loud speaker of running gear |
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| Publication number | Publication date |
|---|---|
| CN104581574A (en) | 2015-04-29 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170111 Address after: The front road 215000 in Jiangsu province Suzhou city high tech Development Zone No. 299 Building 1 Applicant after: Suzhou Puliansi Electronic Technology Co., Ltd. Address before: 215011 Zhujianglu Road high tech Zone, Jiangsu, No. 855, building, No. 7 Applicant before: Suzhou Hengting Electronic Co., Ltd. |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20170302 Address after: Song Ling Zhen Wujiang District of Suzhou City, Jiangsu province 215299 Suzhou River Road No. 18 Applicant after: Suzhou Yi Acoustic Technology Co. Ltd.. Address before: The front road 215000 in Jiangsu province Suzhou city high tech Development Zone No. 299 Building 1 Applicant before: Suzhou Puliansi Electronic Technology Co., Ltd. |
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Address after: 368 Youyi Road, Babai friendship Industrial Zone, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Suzhou Yiyi Electronic Technology Co., Ltd Address before: Song Ling Zhen Wujiang District of Suzhou City, Jiangsu province 215299 Suzhou River Road No. 18 Patentee before: Suzhou Yilan Acoustic Technology Co.,Ltd. |
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Address after: 215299 No. 168, Ludang Road, Jiangling street, Wujiang District, Suzhou City, Jiangsu Province (north of the original Lingyi Road) Patentee after: Suzhou Yiyi Technology Co.,Ltd. Address before: No. 368, Youyi Road, Bache Youyi Industrial Zone, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Patentee before: Suzhou Yiyi Electronic Technology Co., Ltd |
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