CN106851507A - Audio unit and its audio driven mechanism - Google Patents
Audio unit and its audio driven mechanism Download PDFInfo
- Publication number
- CN106851507A CN106851507A CN201710126697.0A CN201710126697A CN106851507A CN 106851507 A CN106851507 A CN 106851507A CN 201710126697 A CN201710126697 A CN 201710126697A CN 106851507 A CN106851507 A CN 106851507A
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- Prior art keywords
- armature
- driven mechanism
- audio
- magnet
- groove
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- 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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- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 8
- 230000008450 motivation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000010355 oscillation Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/02—Loudspeakers
-
- 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
Abstract
The present invention relates to a kind of audio unit and its audio driven mechanism, it is related to loudspeaker techniques field.Audio driven mechanism includes：Armature, it is provided with rotation section；Magnet, the side near at least one end of armature is set；Fixed part, is rotatably assorted with rotation section, and fixed part is on magnet or on the shell for accommodating audio driven mechanism or on support；Coil, is arranged armature；Drive rod, its one end is fixedly connected with armature.Audio unit includes vibrating diaphragm, shell and audio driven mechanism, and the other end of drive rod is connected with vibrating diaphragm, and audio driven mechanism and vibrating diaphragm are in shell.Audio unit senses magnetisation when ac signal is by coil, armature after being magnetized is attracted or repelled with magnet, it is rotatably assorted by the rotation section on armature and fixed part, so as to upper and lower tilting is synchronously realized at the two ends for driving armature, and then drive rod drives diaphragm oscillations, the resonant frequency of generation is relatively low, and low-frequency effect is preferable.
Description
Technical field
The present invention relates to loudspeaker techniques field, more particularly to a kind of audio unit and its audio driven mechanism.
Background technology
At present, the audio unit for being used in the moving-iron type earphone or audio amplifier of in the market, generally includes U-shaped armature, located at U-shaped
The magnet of the free end both sides of armature and the coil of U-shaped armature is wound in, it is coil-induced when ac signal passes through coil
Magnetisation, so as to the U-shaped armature being opposite in coil is magnetized, the free end of the U-shaped armature after being magnetized will with it is upper and lower
The magnet of both sides is attracted or repelled, and vibrates, and then drives vibrating diaphragm by the drive rod located at the free end of U-shaped armature
Vibration, vibrating diaphragm agitates the air in earphone or audio amplifier cavity to send sound.
However, the audio unit in traditional moving-iron type earphone or audio amplifier is due to using U-shaped armature, the freedom of U-shaped armature
End vibration can be limited by the fixing end of U-shaped armature, and rigidity is relatively strong, and low-frequency effect is not good.
The content of the invention
Based on this, it is necessary to for the not good problem of traditional audio unit low-frequency effect, there is provided a kind of audio unit and
Its audio driven mechanism.
A kind of audio driven mechanism, including：
Armature, the armature is provided with rotation section；
Magnet, the magnet is set near the side of at least one end of the armature；
Fixed part, is rotatably assorted with the rotation section, and the fixed part is located on the magnet, or located at the receiving sound
On the shell of frequency drive mechanism, or on the support of the audio driven mechanism；
Coil, the coil is arranged the armature；And
Drive rod, one end of the drive rod is fixedly connected with the armature.
Wherein in one embodiment, the plate-like structure of armature.
Wherein in one embodiment, the rotation section is located at the middle part of the armature.
Wherein in one embodiment, the rotation section is groove, and the fixed part is projection, described raised located at described
In groove；Or the rotation section is circular hole, the fixed part is rotating shaft, and the rotating shaft is arranged in the circular hole.
Wherein in one embodiment, the groove has spherical concave surface, described raised for spheroid.
Wherein in one embodiment, the both sides of the armature are provided with kink, and the groove or the circular hole are located at
On the kink.
Wherein in one embodiment, the armature is provided with boss, and the groove or the circular hole are located at described convex
On platform.
Wherein in one embodiment, the rotation section is projection, and the fixed part is groove, described raised located at described
In groove；Or the rotation section is rotating shaft, the fixed part is circular hole, and the rotating shaft is arranged in the circular hole.
Wherein in one embodiment, the projection is spheroid, and the groove has spherical concave surface；Or, the projection
It is semicircle platy structure, the groove has spherical concave surface；Or, the projection is triangle platy structure, the groove tool
There is conical concave surface.
Wherein in one embodiment, the quantity of the magnet is one, and the magnet is any one near the armature
The side at end is set；Or, the quantity of the magnet is two, and two magnet are respectively correspondingly near the armature
The side at two ends set, and two like poles of the magnet are towards the same side of the armature.
Wherein in one embodiment, the magnet is E-type magnetic iron, and two like poles difference of the E-type magnetic iron is one by one
Accordingly the side near the two ends of the armature is set.
A kind of audio unit, including：Vibrating diaphragm, shell and above-mentioned audio driven mechanism, the other end of the drive rod with
The vibrating diaphragm connection, the audio driven mechanism and the vibrating diaphragm are in the shell.
A kind of audio unit that the present invention is provided, senses magnetisation, after being magnetized when ac signal is by coil
Armature is attracted or repelled with magnet, is rotatably assorted by the rotation section on armature and fixed part, so as to drive armature
Two ends synchronously realize upper and lower tilting, and then drive rod drives diaphragm oscillations, and the resonant frequency of generation is relatively low, low-frequency effect compared with
It is good.
Brief description of the drawings
Fig. 1-Fig. 6 is six structural representations of the audio unit of embodiment of the invention.
Specific embodiment
For the ease of understanding the present invention, with reference to the accompanying drawings and detailed description, the present invention is carried out in more detail
It is bright.It should be noted that when element is expressed " being fixed on " another element, it can directly on another element or
There may be one or more elements placed in the middle therebetween.When an element is expressed " connection " another element, it can be straight
Another element is connected in succession or there may be one or more elements placed in the middle therebetween.The term that this specification is used
" vertical ", " level ", "left", "right" and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technology and scientific terminology that this specification is used are led with technology of the invention is belonged to
The implication that the technical staff in domain is generally understood that is identical.The term used in the description of the invention in this specification is to be
The purpose of description specific embodiment, is not intended to the limitation present invention.The term "and/or" that this specification is used includes
The arbitrary and all of combination of one or more related Listed Items.
As shown in Figures 1 to 6, a kind of audio unit is the embodiment of the invention provides, the audio unit includes：Audio driven machine
Structure, vibrating diaphragm 11 and shell (not shown), audio driven mechanism and vibrating diaphragm 11 are in shell.Wherein, audio driven mechanism
Including：Armature 12, fixed part, magnet, coil 13 and drive rod 14.Armature 12 is provided with rotation section, and rotary part in armature
Between 12 two ends, rotation section is rotatably assorted with fixed part；Magnet is set near the side of at least one end of armature 12；Drive rod
14 one end is fixedly connected with armature 12, and the other end of drive rod 14 is connected with vibrating diaphragm 11；Coil 13 is arranged armature 12.In reality
In, when ac signal passes through coil 13, the sensing magnetisation of coil 13, so as to magnetize to armature 12, is magnetized
Armature 12 afterwards is attracted or repelled with magnet, on the two ends for driving armature 12 that are rotatably assorted by rotation section and fixed part
Lower tilting, and then drive rod 14 drives vibrating diaphragm 11 to vibrate, vibrating diaphragm 11 agitates the air in shell to send sound.Due to armature 12
Two ends can synchronously realize upper and lower tilting to drive drive rod 14 neatly to move up and down that the resonant frequency of generation is relatively low, low frequency
Effect is preferable.
In embodiments of the present invention, the quantity of coil 13 is one, and the coil 13 is sheathed on one end of armature 12, drive rod
14 other ends for being located at armature 12.In other embodiments, the quantity of coil 13 can also be two, two difference of coil 13 one
One two ends for being accordingly arranged armature 12, i.e., one of coil 13 is arranged one end of armature 12, and another coil 13 is arranged electricity
The other end of pivot 12.Two coils 13 are connected and rotation direction is identical.Two coils 13 are set, the pole at the two ends of armature 12 can be strengthened
Property, make the preferably upper and lower tilting of armature.In actual applications, there is certain vibration gap between coil 13 and armature 12.
In embodiments of the present invention, medium position of the rotary part between the two ends of armature 12.In other embodiments,
The either end that rotation section can also be partial to armature 12 is set, for example, the first end of armature 12 is provided with drive rod 14, and rotates
Second end of portion's deflection armature 12 is set, and according to lever principle, when armature 12 rotates identical angle, is located at relative to rotation section
The medium position of armature 12, the distance that the first end of armature 12 is moved up and down is bigger, so as to drive drive rod 14 to drive vibrating diaphragm
Displacement becomes big, and acoustic pressure enhancing, sound can also increase.
In embodiments of the present invention, armature 12 is platy structure, for example, the platy structure has two planes, and for example, should
Platy structure has two curved surfaces.In other embodiments, armature can also be square or cylindrical structural.In a word, in electricity
Pivot by the premise of can be by the upper and lower tilting in two ends for driving armature that is rotatably assorted of rotation section and fixed part after coil magnetizing,
The shape and structure of armature can according to actual needs make various deformation, and this is not limited by the present invention.As follows with tabular knot
Illustrated as a example by the armature 12 of structure.
As shown in Figures 1 to 4, rotation section can be groove 21, and fixed part can be raised 31 or be rotating shaft two ends
Protuberance, projection 31 or protuberance are in groove 21.When being rotated between raised 31 or protuberance and groove 21 to reduce
Frictional force, groove 21 preferably has spherical concave surface, and raised 31 or protuberance are preferably the ball matched with the profile of spherical concave surface
Body.In other embodiments, rotation section can also be circular hole, and fixed part can be rotating shaft, and rotating shaft is arranged in circular hole.In order to reduce
Frictional force when being rotated between rotating shaft and circular hole, can be provided with bearing block in circular hole, rotating shaft is rotatably coupled with bearing block.
In the position implementation of groove 21 or circular hole, for example, two sides of armature 12 can be provided with kink 20,
Groove 21 or circular hole are on kink 20.Wherein, kink 20 can be integrally formed setting, kink 20 with armature 12
It can be the detachable block being set on armature 12.And for example, the surface of armature 12 is provided with boss (not shown), groove or
Person's circular hole is on boss.
In projection 31 or the position implementation of rotating shaft, in fig. 1 and 2, magnet is E-type magnetic iron 41, E-type magnetic iron
41 two like poles are set near the two ends of armature 12 correspondingly respectively.As shown in figure 1, raised 31 or rotating shaft can be with
Be directly arranged on the unlike pole between two like poles of E-type magnetic iron 41, as shown in Fig. 2 two like poles of E-type magnetic iron 41 it
Between unlike pole be provided with rotary bar 51, raised 31 located at the end of rotary bar 51.In figs. 3 and 4, magnet is square magnetic
Iron, can also be cylinder-shaped magnet.The quantity of the square magnet 42 in Fig. 3 is two, a pair of two square magnets 42 difference 1
Should ground set near the two ends of armature 12, and two like poles of square magnet 42 are towards the same side of armature 12.Two sides
Support 52 can be provided between shape magnet 42, raised 31 or rotating shaft are located on support 52.The number of the square magnet 43 in Fig. 4
It is one to measure, and square magnet 43 is set near the either end of armature 12.Support 53 can be arranged side by side with square magnet 43,
Projection 31 or rotating shaft are on support 53.In addition, projection 31 or rotating shaft can also be on shells.
As shown in Figure 5 to Figure 6, rotation section can be the protuberance at raised 22 or rotating shaft two ends, and fixed part can be groove
32, projection 22 or protuberance are in groove 32.In order to reduce frictional force when being rotated between raised 22 and groove 32, for example,
Projection 22 or protuberance are spheroid, and groove 32 has spherical concave surface；Or, projection 22 or protuberance are semicircular tabular knot
Structure, groove 32 has spherical concave surface；Or, projection 22 or protuberance are the platy structure of triangle, and groove 32 has cone
Concave surface.In other embodiments, rotation section can be rotating shaft, and fixed part can be circular hole, and rotating shaft is plugged in circular hole, in order to reduce
Frictional force when being rotated between rotating shaft and circular hole, can be provided with bearing block in circular hole, rotating shaft is rotatably coupled with bearing block.
In projection 22 or the position implementation of rotating shaft, for example, in fig. 5 and fig., raised 22 can be from armature 12
Two sides extend, and for example, raised 22 can be on armature 12 towards the surface of magnet, and for example, two sides of armature 12
Kink is provided with, wherein, raised 22 can be on kink, and rotating shaft can be fixed at or through plugging kink.Its
In, kink can be integrally formed setting with armature 12, and kink can also be the detachable block being set on armature 12.
In the position implementation of groove 32 or circular hole, for example, in fig. 5 and fig., groove 32 or circular hole can be located at
On support 54, and for example, groove 32 or circular hole can also be on shells.
A kind of audio unit provided in an embodiment of the present invention, senses magnetisation, by magnetic when ac signal is by coil
Armature after change is attracted or repelled with magnet, is rotatably assorted by the rotation section on armature and fixed part, so that band
Upper and lower tilting is synchronously realized at the two ends of dynamic armature, and then drive rod drives diaphragm oscillations, and the resonant frequency of generation is relatively low, low frequency effect
Fruit is preferably.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Shield scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (12)
1. a kind of audio driven mechanism, it is characterised in that including：
Armature, the armature is provided with rotation section；
Magnet, the magnet is set near the side of at least one end of the armature；
Fixed part, is rotatably assorted with the rotation section, and the fixed part is on the magnet, or is driven located at the audio is accommodated
On the shell of motivation structure, or on the support of the audio driven mechanism；
Coil, the coil is arranged the armature；And
Drive rod, one end of the drive rod is fixedly connected with the armature.
2. audio driven mechanism according to claim 1, it is characterised in that the plate-like structure of armature.
3. audio driven mechanism according to claim 1, it is characterised in that the rotation section is in the armature
Portion.
4. according to any described audio driven mechanism in claim 1-3, it is characterised in that the rotation section is groove, institute
It is projection to state fixed part, described raised in the groove；Or the rotation section is circular hole, the fixed part is rotating shaft,
The rotating shaft is arranged in the circular hole.
5. audio driven mechanism according to claim 4, it is characterised in that the groove has spherical concave surface, described convex
It is spheroid to rise.
6. audio driven mechanism according to claim 4, it is characterised in that the both sides of the armature are provided with kink, institute
State groove or the circular hole is located on the kink.
7. audio driven mechanism according to claim 4, it is characterised in that the armature is provided with boss, the groove
Or the circular hole is on the boss.
8. according to any described audio driven mechanism in claim 1-3, it is characterised in that the rotation section is projection, institute
Fixed part is stated for groove, it is described raised in the groove；Or the rotation section is rotating shaft, the fixed part is circular hole,
The rotating shaft is arranged in the circular hole.
9. audio driven mechanism according to claim 8, it is characterised in that it is described it is raised be spheroid, the groove has
Spherical concave surface；Or, the projection is semicircle platy structure, and the groove has spherical concave surface；Or, it is described raised for triangle
Shape platy structure, the groove has conical concave surface.
10. audio driven mechanism according to claim 1, it is characterised in that the quantity of the magnet is, the magnetic
Iron is set near the side of the either end of the armature；Or, the quantity of the magnet is two, two magnet difference
The side near the two ends of the armature is set correspondingly, and two like poles of the magnet are towards the armature
The same side.
11. audio driven mechanisms according to claim 1, it is characterised in that the magnet is E-type magnetic iron, the E-type magnetic
Side of two like poles of iron respectively correspondingly near the two ends of the armature is set.
A kind of 12. audio units, it is characterised in that including：Vibrating diaphragm, shell and the audio as described in any in claim 1-11
Drive mechanism, the other end of the drive rod is connected with the vibrating diaphragm, and the audio driven mechanism and the vibrating diaphragm are located at institute
State in shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710126697.0A CN106851507A (en) | 2017-03-03 | 2017-03-03 | Audio unit and its audio driven mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710126697.0A CN106851507A (en) | 2017-03-03 | 2017-03-03 | Audio unit and its audio driven mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106851507A true CN106851507A (en) | 2017-06-13 |
Family
ID=59138837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710126697.0A Pending CN106851507A (en) | 2017-03-03 | 2017-03-03 | Audio unit and its audio driven mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106851507A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574920A (en) * | 2018-06-26 | 2018-09-25 | 常州阿木奇声学科技有限公司 | A kind of dynamic iron unit |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB385290A (en) * | 1930-04-07 | 1932-12-22 | Erich Franz Huth | Arrangement for moving the armature in electric magnetic systems |
| CN102812728A (en) * | 2010-03-31 | 2012-12-05 | 伯斯有限公司 | Loudspeaker moment and torque balancing |
| CN103152675A (en) * | 2013-01-31 | 2013-06-12 | 苏州恒听电子有限公司 | Moving-iron unit with riveting type conduction bar |
| CN204090132U (en) * | 2014-09-28 | 2015-01-07 | 常州阿木奇声学科技有限公司 | The dynamic iron unit that a kind of volume is little |
| CN104284279A (en) * | 2014-11-03 | 2015-01-14 | 常州阿木奇声学科技有限公司 | Moving iron trumpet magnetic circuit system |
| CN204465860U (en) * | 2015-04-13 | 2015-07-08 | 常州阿木奇声学科技有限公司 | The magnetic drive assembly that volume is little and apply the dynamic iron unit of this magnetic drive assembly |
| US20150256911A1 (en) * | 2014-03-07 | 2015-09-10 | Bose Corporation | Elastomeric Torsion Bushings for Levered Loudspeakers |
| CN206759723U (en) * | 2017-03-03 | 2017-12-15 | 万魔声学科技有限公司 | Audio unit and its audio driven mechanism |
-
2017
- 2017-03-03 CN CN201710126697.0A patent/CN106851507A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB385290A (en) * | 1930-04-07 | 1932-12-22 | Erich Franz Huth | Arrangement for moving the armature in electric magnetic systems |
| CN102812728A (en) * | 2010-03-31 | 2012-12-05 | 伯斯有限公司 | Loudspeaker moment and torque balancing |
| CN103152675A (en) * | 2013-01-31 | 2013-06-12 | 苏州恒听电子有限公司 | Moving-iron unit with riveting type conduction bar |
| US20150256911A1 (en) * | 2014-03-07 | 2015-09-10 | Bose Corporation | Elastomeric Torsion Bushings for Levered Loudspeakers |
| CN204090132U (en) * | 2014-09-28 | 2015-01-07 | 常州阿木奇声学科技有限公司 | The dynamic iron unit that a kind of volume is little |
| CN104284279A (en) * | 2014-11-03 | 2015-01-14 | 常州阿木奇声学科技有限公司 | Moving iron trumpet magnetic circuit system |
| CN204465860U (en) * | 2015-04-13 | 2015-07-08 | 常州阿木奇声学科技有限公司 | The magnetic drive assembly that volume is little and apply the dynamic iron unit of this magnetic drive assembly |
| CN206759723U (en) * | 2017-03-03 | 2017-12-15 | 万魔声学科技有限公司 | Audio unit and its audio driven mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574920A (en) * | 2018-06-26 | 2018-09-25 | 常州阿木奇声学科技有限公司 | A kind of dynamic iron unit |
| CN108574920B (en) * | 2018-06-26 | 2024-03-29 | 常州阿木奇声学科技有限公司 | Moving iron unit |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 35th floor, block a, Tanglang City, 3333 Liuxian Avenue, Nanshan District, Shenzhen, Guangdong 518000 Applicant after: Wanmo acoustics Co.,Ltd. Address before: 518000 14th floor, east block, Tianliao building, Tanglang primary school, Xili Xueyuan Avenue, Nanshan District, Shenzhen City, Guangdong Province Applicant before: 1MORE Inc. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |
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| RJ01 | Rejection of invention patent application after publication |