CN207022203U - A kind of moving-iron receiver with New Magnetic Field Controlled guide structure - Google Patents
A kind of moving-iron receiver with New Magnetic Field Controlled guide structure Download PDFInfo
- Publication number
- CN207022203U CN207022203U CN201720659318.XU CN201720659318U CN207022203U CN 207022203 U CN207022203 U CN 207022203U CN 201720659318 U CN201720659318 U CN 201720659318U CN 207022203 U CN207022203 U CN 207022203U
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- China
- Prior art keywords
- conductive board
- magnetic conductive
- reed
- lower house
- moving
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Classifications
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- 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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Building Environments (AREA)
Abstract
The utility model discloses a kind of moving-iron receiver with New Magnetic Field Controlled guide structure, including shell and the vibrating diaphragm, reed, magnetic conductive board, upper magnet, coil, drive rod, the lower magnet that are arranged in shell, shell is made up of upper shell and lower house, vibrating diaphragm is arranged in upper shell and housing interior volume is divided into ante-chamber and back cavity, magnetic conductive board in the form of sheets and is arranged on back cavity, and magnetic conductive board edge is fixed with upper shell and lower house.Existing " mouth " type magnetic yoke structure is replaced with sheet magnetic conductive board, while product design is simplified, improves properties of product, and be advantageous to automatic mass production.
Description
Technical field
It the utility model is related to a kind of moving-iron receiver with New Magnetic Field Controlled guide structure.
Background technology
Moving-iron receiver is also known as balanced armature formula receiver, is a kind of very high Miniature electroacoustic transducer of efficiency.Extensively should
For in earphone, audiphone and wearable electronic.Its operation principle：In the presence of alternating current, in magnetic field
Tongue can move up and down, so as to drive vibrating diaphragm to agitate air up and down to send sound by drive rod.
Traditional receiver magnetic circuit system includes：Magnet, yoke, reed and coil.Under normal circumstances, one end of U-shaped reed
Weld together with yoke, the other end is then in the magnetic field in upper and lower two panels magnet.The design of yoke at present is substantially " mouth "
For font to form magnetic loop, this design causes yoke processing difficulties, while the assembling process of magnetic circuit system is become multiple
It is miscellaneous.
Utility model content
The utility model in order to solve it is of the prior art deficiency and provide a kind of dynamic iron with New Magnetic Field Controlled guide structure by
Device is talked about, simplifies the design of magnetic circuit system, improves moving-iron receiver performance.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：
A kind of moving-iron receiver with New Magnetic Field Controlled guide structure, including shell and be arranged in shell vibrating diaphragm, reed, lead
Magnetic sheet, upper magnet, coil, drive rod, lower magnet, shell are made up of upper shell and lower house, and vibrating diaphragm is arranged in upper shell simultaneously
Housing interior volume is divided into ante-chamber and back cavity, magnetic conductive board in the form of sheets and is arranged on back cavity, magnetic conductive board edge and upper shell and under
Housing is fixed.Existing " mouth " type magnetic yoke structure is replaced with sheet magnetic conductive board, while product design is simplified, improves product
Performance, and be advantageous to automatic mass production.
It is described as a kind of preferred scheme of the moving-iron receiver described in the utility model with New Magnetic Field Controlled guide structure
Reed is U-shaped reed, and fixation lower surface and the magnetic conductive board upper surface of U-shaped reed are fixed, and magnetic conductive board lower surface is consolidated with upper magnet
It is fixed.
It is described as a kind of preferred scheme of the moving-iron receiver described in the utility model with New Magnetic Field Controlled guide structure
Magnetic conductive board is full slice system, and magnetic conduction front edge of board is provided with the through hole for allowing drive rod to pass through, magnetic conductive board edge with upper shell and under
Housing is fixedly connected, and the hollow-out parts for coordinating U-shaped reed to pass through are provided with the middle part of magnetic conductive board rear end.
It is described as a kind of preferred scheme of the moving-iron receiver described in the utility model with New Magnetic Field Controlled guide structure
Magnetic conductive board is half chip, and magnetic conduction front edge of board is provided with the through hole for allowing drive rod to pass through, and lower house has what is coordinated with magnetic conductive board
Step surface, upper shell, magnetic conductive board, lower house form closure.
It is described as a kind of preferred scheme of the moving-iron receiver described in the utility model with New Magnetic Field Controlled guide structure
Magnetic conductive board is small chip, has the groove coordinated with magnetic conductive board in the middle part of lower house, and upper shell, magnetic conductive board, lower house form closing
Shell.
Further, described magnetic conductive board is made with lower house from high permeability material, and both are welded or glued
Connect, so as to form complete magnetic loop.
Brief description of the drawings
Fig. 1 is a kind of preferably magnetic conduction plate structure schematic diagram in embodiment 1.
Fig. 2 is a kind of moving-iron receiver diagrammatic cross-section with New Magnetic Field Controlled guide structure in embodiment 1.
Fig. 3 is a kind of preferably magnetic conduction plate structure schematic diagram in embodiment 2.
Fig. 4 is preferable lower house profile in embodiment 2.
Fig. 5 is a kind of preferably magnetic conduction plate structure schematic diagram in embodiment 3.
Fig. 6 is preferable lower house profile in embodiment 3.
Wherein：
1st, upper shell 2, lower house 3, vibrating diaphragm 4, magnetic conductive board 5, upper magnet 6, U-shaped reed 7, coil 8, lower magnet
9th, drive rod 10, through hole 11, hollow-out parts 12, step surface 13, groove
These accompanying drawings have not necessarily been drawn to scale, disclosed embodiment sometimes by graphical sysmbol, dotted line, figure represent and
Partial view is shown, under specific circumstances, may have been omitted the details in these figures, these details for disclosed in understanding this
Application is unnecessary.It should be appreciated that the disclosure is not limited to illustrate in the accompanying drawings and disclosed specific embodiment again.In short
It, it should be apparent to those skilled in the art that a large amount of variation will fall into the disclosure and spirit and scope of the appended claims it
It is interior.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Embodiment 1
As depicted in figs. 1 and 2, a kind of moving-iron receiver with New Magnetic Field Controlled guide structure, including upper shell 1 and lower house 2
The shell of formation, vibrating diaphragm 3 are fixed in upper shell 1 and housing interior volume are divided into ante-chamber and back cavity, vibrating diaphragm 3 and upper shell 1
Between space be ante-chamber, the space between vibrating diaphragm 3 and lower house 2 is back cavity, reed, magnetic conductive board, upper magnet, coil, driving
Bar, lower magnet.
Specifically, magnetic conductive board 4 in the form of sheets and is arranged on back cavity, and magnetic conductive board edge is fixed with upper shell and lower house, upper magnetic
The upper surface of iron 5 and the lower surface of magnetic conductive board 4 by welding or being adhesively fixed together with.U-shaped reed 6 includes fixed part and vibration
Portion, the upper surface of the fixed part and magnetic conductive board 4 of U-shaped reed are fixed, and the vibration section of U-shaped reed is arranged on the downside of magnetic conductive board 4 simultaneously
Through coil 7, lower magnet 8 is corresponding with upper magnet 5 to be distributed and is fixed on lower house 2, and the one end of drive rod 9 shakes with U-shaped reed 6
Dynamic portion connects one end and is connected with vibrating diaphragm 3.
In the present embodiment, magnetic conductive board 4 is full slice system, and magnetic conduction front edge of board is provided with the through hole 10 for allowing drive rod to pass through, led
The edge of magnetic sheet 4 is fixedly connected with upper shell 1 and lower house 2, is engraved in the middle part of the rear end of magnetic conductive board 4 provided with what the U-shaped reed of cooperation passed through
Empty portion 11, the end face that such a structure of magnetic conductive board 4 is applied to lower house 2 is plane formula, it is not necessary to does special construction to lower house 2 and sets
Meter, is easily installed and fixes, assembling process is simple.
In the present embodiment, the upper surface of the fixed part and magnetic conductive board 4 of U-shaped reed 6 is fixed, it is of course also possible to by U-shaped reed
The lower surface of 6 fixed part and magnetic conductive board 4 is fixed, and can does not set hollow-out parts 11, whole U in the middle part of the rear end of such magnetic conductive board 4
Type reed 6 is fixed on the downside of magnetic conductive board 4.
Used in the present embodiment and following examples for U-shaped reed, but the reed in the application is not limited only to U-shaped spring
Piece, can also be E types reed, M types reed or piece type reed any one.
Embodiment 2
Structure is similar to Example 1, and difference is that magnetic conductive board 4 is half chip, and lower house 2 has the platform coordinated with magnetic conductive board
Terrace 12, upper shell, magnetic conductive board, lower house form closure, and as shown in Figure 3,4, structure more simplifies, and saves magnetic conduction sheet material
The use of material.
Embodiment 3
Structure is similar to Example 1, and difference is that magnetic conductive board 4 is small chip, that is, is positioned only at the fixed part of U-shaped reed 6
And position corresponding with upper magnet and lower magnet, lower house middle part have the groove 13 coordinated with magnetic conductive board, upper shell, magnetic conduction
Plate, lower house form closure, and as shown in Figure 5,6, structure more simplifies.
Although embodiment of the present utility model is illustrated in specification, these embodiments are intended only as carrying
Show, should not limit the scope of protection of the utility model.Various omissions are carried out in the range of the utility model aims are not departed from, are put
Change and change should be included in the scope of protection of the utility model.
Claims (7)
- A kind of 1. moving-iron receiver with New Magnetic Field Controlled guide structure, it is characterised in that：Including shell and it is arranged on shaking in shell Film, reed, magnetic conductive board, upper magnet, coil, drive rod, lower magnet, shell are made up of upper shell and lower house, and vibrating diaphragm is arranged on Be divided into ante-chamber and back cavity in upper shell and by housing interior volume, magnetic conductive board in the form of sheets and is arranged on back cavity, magnetic conductive board edge with Upper shell and lower house are fixed.
- 2. the moving-iron receiver according to claim 1 with New Magnetic Field Controlled guide structure, it is characterised in that：Described reed is U-shaped reed, fixation lower surface and the magnetic conductive board upper surface of U-shaped reed are fixed, and magnetic conductive board lower surface is fixed with upper magnet.
- 3. the moving-iron receiver according to claim 1 with New Magnetic Field Controlled guide structure, it is characterised in that：Described reed is Any one of E types reed, M types reed or piece type reed.
- 4. the moving-iron receiver according to claim 2 with New Magnetic Field Controlled guide structure, it is characterised in that：Described magnetic conductive board For full slice system, magnetic conduction front edge of board is provided with the through hole for allowing drive rod to pass through, and magnetic conductive board edge is consolidated with upper shell and lower house Fixed connection, magnetic conductive board rear end middle part are provided with the hollow-out parts for coordinating U-shaped reed to pass through.
- 5. the moving-iron receiver according to claim 2 with New Magnetic Field Controlled guide structure, it is characterised in that：Described magnetic conductive board For half chip, magnetic conduction front edge of board is provided with the through hole for allowing drive rod to pass through, and lower house has the step surface coordinated with magnetic conductive board, Upper shell, magnetic conductive board, lower house form closure.
- 6. the moving-iron receiver according to claim 2 with New Magnetic Field Controlled guide structure, it is characterised in that：Described magnetic conductive board For small chip, lower house middle part has the groove coordinated with magnetic conductive board, and upper shell, magnetic conductive board, lower house form closure.
- 7. the moving-iron receiver according to claim 2 with New Magnetic Field Controlled guide structure, it is characterised in that：Described magnetic conductive board Made with lower house from high permeability material, both are welded or are bonded, so as to form complete magnetic loop.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017206055897 | 2017-05-27 | ||
| CN201720605589 | 2017-05-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207022203U true CN207022203U (en) | 2018-02-16 |
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ID=59734448
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710426161.0A Pending CN107135449A (en) | 2017-05-27 | 2017-06-08 | A kind of moving-iron receiver with New Magnetic Field Controlled guide structure |
| CN201720659318.XU Active CN207022203U (en) | 2017-05-27 | 2017-06-08 | A kind of moving-iron receiver with New Magnetic Field Controlled guide structure |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710426161.0A Pending CN107135449A (en) | 2017-05-27 | 2017-06-08 | A kind of moving-iron receiver with New Magnetic Field Controlled guide structure |
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| CN (2) | CN107135449A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107135449A (en) * | 2017-05-27 | 2017-09-05 | 苏州亿欧得电子有限公司 | A kind of moving-iron receiver with New Magnetic Field Controlled guide structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11012786B2 (en) | 2016-10-17 | 2021-05-18 | Knowles Electronics, Llc | Armature-based acoustic receiver having improved output and method |
| CN110870331B (en) | 2017-07-14 | 2022-02-25 | 美商楼氏电子有限公司 | A headphone assembly, a method of making the same and a subassembly |
| CN107809715B (en) * | 2017-09-28 | 2020-03-31 | 深圳倍声声学技术有限公司 | Telephone receiver |
| DE102018221577A1 (en) | 2017-12-30 | 2019-07-04 | Knowles Electronics, Llc | ELECTRIC ACOUSTIC CONVERTER WITH IMPROVED SHOCK PROTECTION |
| CN108391215B (en) * | 2018-04-26 | 2020-02-28 | 深圳倍声声学技术有限公司 | Moving-iron telephone receiver |
| CN108696810A (en) * | 2018-05-17 | 2018-10-23 | 深圳倍声声学技术有限公司 | A kind of moving-iron receiver |
| US11076247B2 (en) | 2018-12-31 | 2021-07-27 | Knowles Electronics, Llc | Acoustic receiver with b-stage seal and method of making same |
| US11159890B2 (en) | 2019-10-18 | 2021-10-26 | Knowles Electronics, Llc | Acoustic receiver |
| CN114173264A (en) * | 2021-12-20 | 2022-03-11 | 苏州迪倍电子科技有限公司 | Moving-iron horn motor structure |
| US11659337B1 (en) | 2021-12-29 | 2023-05-23 | Knowles Electronics, Llc | Balanced armature receiver having improved shock performance |
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| CN102355617B (en) * | 2011-08-15 | 2014-04-16 | 苏州恒听电子有限公司 | Moving-iron unit for loudspeaking device |
| CN103428619B (en) * | 2012-05-18 | 2018-04-03 | 苏州逸巛声学科技有限公司 | Magnet yoke device for moving iron type loud-speaker or receiver |
| KR101471061B1 (en) * | 2012-07-23 | 2014-12-24 | 이준호 | Speaker |
| US9191746B2 (en) * | 2012-08-24 | 2015-11-17 | Cheng Yih Jenq | Loudspeaker driver with dual electromagnet assemblies |
| CN103079151A (en) * | 2012-12-25 | 2013-05-01 | 苏州恒听电子有限公司 | Novel bone conduction type telephone receiver |
| CN204104131U (en) * | 2014-09-17 | 2015-01-14 | 常州阿木奇声学科技有限公司 | A kind of high-keyed dynamic iron unit |
| CN104581580A (en) * | 2014-12-31 | 2015-04-29 | 苏州恒听电子有限公司 | Telephone receiver provided with improved structure |
| CN204442657U (en) * | 2014-12-31 | 2015-07-01 | 苏州恒听电子有限公司 | A kind of Novel movable iron unit |
| CN105407425B (en) * | 2015-11-18 | 2019-11-26 | 苏州逸巛声学科技有限公司 | A kind of receiver and production method |
| CN205793329U (en) * | 2016-05-19 | 2016-12-07 | 常州阿木奇声学科技有限公司 | A kind of Novel movable ferrum unit |
| CN107135449A (en) * | 2017-05-27 | 2017-09-05 | 苏州亿欧得电子有限公司 | A kind of moving-iron receiver with New Magnetic Field Controlled guide structure |
-
2017
- 2017-06-08 CN CN201710426161.0A patent/CN107135449A/en active Pending
- 2017-06-08 CN CN201720659318.XU patent/CN207022203U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107135449A (en) * | 2017-05-27 | 2017-09-05 | 苏州亿欧得电子有限公司 | A kind of moving-iron receiver with New Magnetic Field Controlled guide structure |
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| Publication number | Publication date |
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| CN107135449A (en) | 2017-09-05 |
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