CN104507023A - Impedance adjustable magnetic drive mechanism and receiver thereof - Google Patents
Impedance adjustable magnetic drive mechanism and receiver thereof Download PDFInfo
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- CN104507023A CN104507023A CN201410851549.1A CN201410851549A CN104507023A CN 104507023 A CN104507023 A CN 104507023A CN 201410851549 A CN201410851549 A CN 201410851549A CN 104507023 A CN104507023 A CN 104507023A
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- coil
- armature
- driving mechanism
- impedance adjustable
- magnetic driving
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Abstract
The invention discloses an impedance adjustable magnetic drive mechanism and a receiver thereof. The impedance adjustable magnetic drive mechanism comprises an armature, coils and iron cores. The armature comprises a fixed portion and a vibrating transduction portion. The coils and the iron cores are sleeved on the vibrating transduction portion in sequence. Permanent magnets are arranged on the upper side and the lower side of the vibrating transduction portion and are fixedly connected with the inside surfaces of the iron cores. The coils are formed by winding at least two strands of metal wires with different lengths, and ingoing ends or outgoing ends of the metal wires are connected. The metal wires have different lengths and the number of turns of the coils is different, accordingly the produced impedance is different. In addition, the impedance of the magnetic drive mechanism can be adjusted as required so the impedance adjustable magnetic drive mechanism can be applied to the receivers with different impedance requirements and can be used more conveniently.
Description
Technical field
The present invention relates to a kind of impedance adjustable formula magnetic driving mechanism and receiver thereof.
Background technology
Magnetic driving mechanism is very important parts in receiver, it mainly comprises armature, coil and iron core, during work, coil passes into ac signal and produces magnetic field, carry out magnetic (pole) to the armature as thiol to change, then repelled each other according to the same sex (pole) by the armature that magnetic (pole) is changed, principle up-down vibration in two permanent magnets that different (pole) property is attracting.
In the receiver of current production, be all arrange according to the needs that client needs and product is equipped with for resistance value producer, this resistance value can not regulate in the later stage uses, the client that cannot meet the different needs.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of impedance adjustable formula magnetic driving mechanism and receiver thereof.
In order to achieve the above object, technical scheme of the present invention is as follows:
The invention provides a kind of impedance adjustable formula magnetic driving mechanism, for receiver, described impedance adjustable formula magnetic driving mechanism comprises armature, coil and iron core, armature comprises fixed part and vibration transducing portion, coil and iron core are sheathed in vibration transducing portion successively, and the both sides up and down in vibration transducing portion are respectively equipped with permanent magnet, and 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, and the end of incoming cables of metal wire or leading-out terminal are connected.
In the present invention, the length of metal wire is different, and the number of turns of the coil that metal wire is entwined is different, and the impedance of generation is different, and the impedance of adjustable magnetic power drive mechanism according to demand, is applicable to the receiver of different impedance requirements, convenient.
According to actual conditions, can select, above-mentioned armature is E type armature or U-shaped armature, and the fixed part of E type armature or U-shaped armature is fixedly connected with the outer surface of iron core, and the structure of armature can be selected 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 half of the first wire lengths, and end of incoming cables or the leading-out terminal of the first metal wire and the second metal wire are connected.The length of the second metal wire is the half of the first wire lengths, realizes different impedance, is applicable to the receiver of different impedance requirements, convenient.
On the basis of technique scheme, also can do following improvement:
As preferred scheme, above-mentioned coil is provided with at least one cushion block, cushion block is telescopic structure in its short transverse.
Adopt above-mentioned preferred scheme, regulate the height of cushion block, can the physical dimension of alihnment coil, thus the impedance of alihnment coil.
As preferred scheme, above-mentioned at least one strand circle is coated with oxide layer.
Adopt above-mentioned preferred scheme, oxide layer can effectively prevent metal wire to be oxidized, and extends its useful life.
As preferred scheme, the arbitrary axial end of above-mentioned coil formation adhesive surface bonding with iron core, the inner chamber body up and down of coil extends to form protuberance to vibration transducing portion, and the distance between protuberance to described vibration transducing portion is less than the distance between permanent magnet to vibration transducing portion.
Adopt above-mentioned preferred scheme, when armature is subject to larger impulsive force, the vibration transducing portion of armature is upwards or after slamming down to coil, protuberance forms resilience force to armature, make vibration transducing portion can get back to initial middle position, and will, with the permanent magnet adhesive in iron core, cause vibration transducing to lose efficacy.
As preferred scheme, protuberance is arranged near adhesive surface, protuberance and coil one-body molded.
Adopt above-mentioned preferred scheme, when armature is subject to impulsive force, protuberance can better avoid vibration transducing portion's adhesive of armature on the permanent magnet in iron core, simultaneously protuberance and coil one-body molded, handling ease.
As preferred scheme, the endoporus of above-mentioned coil is bellmouth, and the vertex of a cone of bellmouth is near adhesive surface.
Adopt above-mentioned preferred scheme, due to the line mould High Rotation Speed when coil winding, have very large centrifugal force, the shape for coil is wayward, but simultaneously due to the resistance requirement to coil, often has very high requirement to the coiling precision of line mould again.And the coil in the present invention makes endoporus be bellmouth by the coiling of taper mould, taper mould has the leeway of adjustment to the shape of coil when coiling, follow the coiling shape of line mould, the overall dimension of coil does not have too large change, simultaneously also can be relatively lower to the requirement on machining accuracy of line mould, on the other hand, the stress point of taper mould coil when withdrawing pattern only concentrates on the minimum place of aperture size, also less to the injury of coil after withdrawing pattern.
As preferred scheme, the upper and lower both ends of the surface in vibration transducing portion of above-mentioned armature extend to form protuberance to permanent magnet.
Adopt above-mentioned preferred scheme, the vibration transducing portion of armature arranges protuberance, when armature is subject to larger impulsive force, protuberance can avoid vibration transducing portion adhesive on the permanent magnet in iron core, causes vibration transducing to lose efficacy.
As preferred scheme, the present invention also provides a kind of receiver, applies above-mentioned impedance adjustable formula magnetic driving mechanism.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the present invention.
Fig. 2 is the structural representation of another embodiment of the present invention coil.
Fig. 3 is the structural representation of another embodiment of the present invention.
Fig. 4 is the structural representation of another embodiment of the present invention.
Fig. 5 is the structural representation 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. protuberances, 24. cushion blocks, 30. iron cores, 40. permanent magnets.
Embodiment
The preferred embodiment of the present invention is described in detail below in conjunction with accompanying drawing.
In order to reach object of the present invention, as shown in Figure 1, a kind of impedance adjustable formula magnetic driving mechanism is provided in wherein a kind of execution mode of the present invention, for receiver, impedance adjustable formula magnetic driving mechanism comprises armature 10, coil 20 and iron core 30, armature 10 comprises fixed part 11 and vibration transducing portion 12, coil 20 and iron core 30 are sheathed in vibration transducing portion 12 successively, the both sides up and down in vibration transducing portion 12 are respectively equipped with permanent magnet 40, permanent magnet 40 is fixedly connected with the inner surface of iron core 30, coil 20 is that two strands of metal wires are entwined and the length of metal wire is different, the end of incoming cables of metal wire is connected.
In present embodiment, the length of metal wire is different, and the number of turns of the coil 20 that metal wire is entwined is different, and the impedance of generation is different, and the impedance of adjustable magnetic power drive mechanism according to demand, is applicable to the receiver of different impedance requirements, convenient.
According to actual conditions, can select, U-shaped armature selected by above-mentioned armature 10, and the fixed part of U-shaped armature is fixedly connected with the outer surface of iron core 30; Above-mentioned armature 10 also can select E type armature, and the fixed part of E type armature is fixedly connected with the outer surface of iron core 30, and the structure of armature 10 can be selected according to demand, is 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 the first wire lengths, and the first metal wire is connected with the end of incoming cables of the second metal wire.The length of the second metal wire is the half of the first wire lengths, realizes different impedance, is applicable to the receiver of different impedance requirements, convenient.
As shown in Figure 2, in order to optimize implementation result of the present invention further, in another embodiment of the invention, on the basis of foregoing teachings, above-mentioned coil 20 is provided with a cushion block 24, cushion block 24 is telescopic structure in its short transverse.
Adopt above-mentioned preferred scheme, regulate the height of cushion block 24, can the physical dimension of alihnment coil 20, thus the impedance of alihnment coil 20.
In order to optimize implementation result of the present invention further, in another embodiment of the invention, on the basis of foregoing teachings, above-mentioned coil 20 is coated with oxide layer.
Adopt above-mentioned preferred scheme, oxide layer can effectively prevent metal wire to be oxidized, and extends its useful life.
As shown in Figure 3, in order to optimize implementation result of the present invention further, in another embodiment of the invention, on the basis of foregoing teachings, above-mentioned coil 20 1 axial end formation adhesive surface bonding with iron core 30, the inner chamber body up and down of coil 20 extends to form protuberance 23 to vibration transducing portion 12, and the distance between protuberance 23 to vibration transducing portion 12 is less than the distance between permanent magnet 40 to vibration transducing portion 12.
Adopt above-mentioned preferred scheme, when armature 10 is subject to larger impulsive force, the vibration transducing portion 12 of armature 10 is upwards or after slamming down to coil 20, protuberance 23 pairs of armatures 10 form resilience force, make vibration transducing portion 12 can get back to initial middle position, and will, with permanent magnet 40 adhesive in iron core 30, cause vibration transducing to lose efficacy.
Wherein, protuberance 23 is arranged near adhesive surface, and protuberance 23 is one-body molded with Low ESR coil 20.Protuberance 23 is near adhesive surface, and when armature 10 is subject to impulsive force, protuberance 23 can better avoid vibration transducing portion's adhesive of armature 10 on the permanent magnet 40 in iron core 30, and protuberance 23 is one-body molded with Low ESR coil 20 simultaneously, handling ease.
As shown in Figure 4, in order to optimize implementation result of the present invention further, in another embodiment of the invention, on the basis of foregoing teachings, the endoporus of above-mentioned coil 20 is bellmouth, and the vertex of a cone of bellmouth is near adhesive surface.
Adopt above-mentioned preferred scheme, due to the line mould High Rotation Speed when coil 20 coiling, have very large centrifugal force, the shape for coil is wayward, but simultaneously due to the resistance requirement to coil 20, often has very high requirement to the coiling precision of line mould again.And the coil 20 in present embodiment makes endoporus be bellmouth by the coiling of taper mould, taper mould has the leeway of adjustment to the shape of coil 20 when coiling, follow the coiling shape of line mould, the overall dimension of coil 20 does not have too large change, simultaneously also can be relatively lower to the requirement on machining accuracy of line mould, on the other hand, the stress point of taper mould coil when withdrawing pattern only concentrates on the minimum place of aperture size, also less to the injury of coil after withdrawing pattern.
As shown in Figure 5, in order to optimize implementation result of the present invention further, in another embodiment of the invention, on the basis of foregoing teachings, vibration transducing portion about 12 both ends of the surface of above-mentioned armature 10 extend to form protuberance 23 to permanent magnet 40.
Adopt above-mentioned preferred scheme, when armature 10 is subject to larger impulsive force, protuberance can avoid 12 adhesives of vibration transducing on the permanent magnet 40 in iron core 30, causes vibration transducing to lose efficacy.
In order to optimize implementation result of the present invention further, in another embodiment of the invention, on the basis of foregoing teachings, the present invention also provides a kind of receiver, applies above-mentioned impedance adjustable formula magnetic driving mechanism.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. impedance adjustable formula magnetic driving mechanism, for receiver, it is characterized in that, described impedance adjustable formula magnetic driving mechanism comprises armature, coil and iron core, described armature comprises fixed part and vibration transducing portion, described coil and iron core are sheathed in described vibration transducing portion successively, the both sides up and down in described vibration transducing portion are respectively equipped with permanent magnet, described permanent magnet is fixedly connected with the inner surface of described iron core, described coil is that at least two strands of metal wires are entwined and the length of described metal wire is different, and the end of incoming cables of described metal wire or leading-out terminal are connected.
2. impedance adjustable formula magnetic driving mechanism according to claim 1, it is characterized in that, described coil is that the first metal wire and the second metal wire are entwined, the length of described second metal wire is the half of the first wire lengths, and end of incoming cables or the leading-out terminal of described first metal wire and described second metal wire are connected.
3. impedance adjustable formula magnetic driving mechanism according to claim 1, is characterized in that, described coil is provided with at least one cushion block, and described cushion block is telescopic structure in its short transverse.
4. impedance adjustable formula magnetic driving mechanism according to claim 1, is characterized in that, described at least one strand of metal wire is coated with oxide layer.
5. according to the arbitrary described impedance adjustable formula magnetic driving mechanism of claim 1-4, it is characterized in that, the arbitrary axial end of described coil formation adhesive surface bonding with described iron core, the inner chamber body up and down of described coil extends to form protuberance to described vibration transducing portion, and the distance between described protuberance to described vibration transducing portion is less than the distance between described permanent magnet to described vibration transducing portion.
6. impedance adjustable formula magnetic driving mechanism according to claim 5, it is characterized in that, described protuberance is arranged near described adhesive surface, described protuberance and described coil one-body molded.
7. impedance adjustable formula magnetic driving mechanism according to claim 5, is characterized in that, the endoporus of described coil is bellmouth, and the vertex of a cone of described bellmouth is near described adhesive surface.
8. impedance adjustable formula magnetic driving mechanism according to claim 1, is characterized in that, described armature is E type armature or U-shaped armature, and the fixed part of described E type armature or U-shaped armature is fixedly connected with the outer surface of described iron core.
9. impedance adjustable formula magnetic driving mechanism according to claim 8, is characterized in that, the upper and lower both ends of the surface in vibration transducing portion of described armature extend to form protuberance to described permanent magnet.
10. a receiver, is characterized in that, apply as arbitrary in claim 1-9 as described in impedance adjustable formula magnetic driving mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410851549.1A CN104507023A (en) | 2014-12-31 | 2014-12-31 | Impedance adjustable magnetic drive mechanism and receiver thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410851549.1A CN104507023A (en) | 2014-12-31 | 2014-12-31 | Impedance adjustable magnetic drive mechanism and receiver thereof |
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| CN104507023A true CN104507023A (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410851549.1A Pending CN104507023A (en) | 2014-12-31 | 2014-12-31 | Impedance adjustable magnetic drive mechanism and receiver thereof |
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Citations (5)
| 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 |
| 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 |
| CN103220997A (en) * | 2010-09-29 | 2013-07-24 | 特里奥登特控股有限公司 | Reusable dental impression tray |
| CN103747394A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | A receiver decreasing secondary modal distortion |
| CN203933944U (en) * | 2014-07-02 | 2014-11-05 | 洪建国 | The twin coil loud speaker of running gear |
-
2014
- 2014-12-31 CN CN201410851549.1A patent/CN104507023A/en active Pending
Patent Citations (5)
| 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 |
| CN103220997A (en) * | 2010-09-29 | 2013-07-24 | 特里奥登特控股有限公司 | Reusable dental impression tray |
| 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 |
| CN103747394A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | A receiver decreasing secondary modal distortion |
| CN203933944U (en) * | 2014-07-02 | 2014-11-05 | 洪建国 | The twin coil loud speaker of running gear |
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Effective date of registration: 20170112 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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Effective date of registration: 20170301 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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Application publication date: 20150408 |