CN104581576A - Telephone receiver provided with improved circuit board - Google Patents
Telephone receiver provided with improved circuit board Download PDFInfo
- Publication number
- CN104581576A CN104581576A CN201410850596.4A CN201410850596A CN104581576A CN 104581576 A CN104581576 A CN 104581576A CN 201410850596 A CN201410850596 A CN 201410850596A CN 104581576 A CN104581576 A CN 104581576A
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- China
- Prior art keywords
- circuit board
- coil
- armature
- shell
- vibration transducing
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Abstract
The invention discloses a telephone receiver provided with an improved circuit board. The telephone receiver comprises a shell, a vibrating film, a magnetic force drive mechanism and the circuit board, wherein the shell comprises a bottom box and an upper cover; the vibrating film is arranged in the upper cover of the shell; the magnetic force drive mechanism comprises an armature, a coil and an iron core, the armature comprises a fixed portion and a vibrating energy conversion portion, the coil and the iron core are arranged on the vibrating energy conversion portion in a sleeving mode, permanent magnets are arranged on the upper side and the lower side of the vibrating energy conversion portion respectively, the permanent magnets are fixedly connected with the inner side surface of the iron core, and the vibrating energy conversion portion is in transmission connection with the vibrating film through a conduction rod; the circuit board is arranged at the outer side bottom of the shell and welded to the coil, and a frequency dividing circuit is further welded on the circuit board. The circuit board is arranged at the bottom of the outer side of the shell, the length of the telephone receiver is reduced, meanwhile, the circuit board is directly welded to the coil, the processing technology is simple, cost is lowered, the situation that the sound quality effect of the telephone receiver is affected due to cold joint, missing solder and the like is avoided, the frequency response range is wider by means of the frequency dividing circuit, invalid vibration is reduced, service life is prolonged, sound quality is improved, and the low-frequency effect is better.
Description
Technical field
The present invention relates to a kind of receiver with improvement circuit board.
Background technology
Usually said receiver refers to moving coil receiver, its operation principle (physical principle) is similar with traditional coil-moving speaker: the audio electrical signal feed-in voice coil loudspeaker voice coil of change, voice coil loudspeaker voice coil is placed in the magnetic gap of a magnetic circuit, the driving of the electromagnetic force (Lorentz force) of change that voice coil loudspeaker voice coil produces because of the electric current of change and up-down vibration, and drive vibrating membrane to drive front and back air, produce sound wave.
Although also have the receiver type of other transduction principle a lot, but up to now, moving coil receiver because of its higher cost performance, ripe production technology, protean overall dimension and lead-out mode, become the main flow electro-acoustic element of mobile phone and landline telephone sound intermediate frequency terminal.
Receiver comprises shell, vibrating membrane, the magnetic driving mechanism be in transmission connection with vibrating membrane and circuit board, in prior art, circuit board is arranged on the sidewall of shell, adds the length of receiver, not easily assembles, simultaneously, need between coil with wiring board to weld connection, complex process by heavy gauge wire, and easily produce rosin joint, missing solder, reduce tonequality, produce noise.
A lot of music-lover is very interested in low frequency, all compares to bias toward listen bass when selecting sound appliances.Magnetic driving mechanism electromagnetic conversion efficiency in receiver is higher, and wherein the mechanical strength of armature is larger, its resonance frequency is higher, therefore the enlargement range for low frequency sound signals is better than for the enlargement range of the voice signal of medium-high frequency, cause the voice output of medium-high frequency section stronger, the voice output of low-frequency range is not enough, so the sense of hearing of receiver sounding is colder.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of receiver with improvement circuit board.
In order to achieve the above object, technical scheme of the present invention is as follows:
The invention provides a kind of receiver with improvement circuit board, comprising:
Shell, comprises end box and upper cover, is provided with the boss around upper cover inwall in upper cover;
Vibrating membrane, it is inner and Shell is divided into ante-chamber and back cavity that it is arranged at the upper cover of shell, and the wall body of ante-chamber is provided with acoustic aperture;
Be arranged at the magnetic driving mechanism in back cavity, comprise armature, coil and iron core, armature comprises fixed part and vibration transducing portion, coil and iron core are sheathed in vibration transducing portion successively, 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, and vibration transducing portion is in transmission connection by conductive bar and vibrating membrane;
Circuit board, to be arranged at bottom outer side and to weld with coil, circuit board is also welded with frequency dividing circuit.
In the present invention, circuit board is arranged on bottom outer side, reduces the length of receiver, is convenient to install, circuit board directly welds with coil simultaneously, and decrease pad, processing technology is simple, reduce cost, also avoid because rosin joint, missing solder etc. affect the acoustical quality of receiver, on the other hand, frequency dividing circuit can make Hz-KHz larger, reduce invalid vibration, increase the service life, improve tonequality, especially make low-frequency effect better.
Wherein, above-mentioned frequency dividing circuit is the load circuit being connected with circuit and/or electric capacity.
On the basis of technique scheme, also can do following improvement:
Adopt above-mentioned preferred scheme, earth connection avoids the both positive and negative polarity short circuit of circuit board, reduces noise, improves diamagnetic antijamming capability.
As preferred scheme, the surface of above-mentioned permanent magnet is provided with elastic membrane.
Wherein, elastic membrane is tpu film, pe film or pvc film.
Adopt above-mentioned preferred scheme, when armature is subject to larger impulsive force, the vibration transducing portion of armature upwards or slamming down to permanent magnet time, elastic membrane is to armature resilience force, make vibration transducing portion can get back to initial middle position, and can not inhale extremely with the permanent magnet in iron core, cause vibration transducing to lose efficacy.
As preferred scheme, the upper and lower inner chamber body of above-mentioned coil extends to form coil tabs to vibration transducing portion, the distance between coil tabs to vibration transducing portion is less than permanent magnet to the distance vibrated between transducing portion, coil tabs and coil one-body molded.
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, coil tabs forms resilience force to armature, make vibration transducing portion can get back to initial middle position, and can not inhale extremely with the permanent magnet in iron core, cause vibration transducing to lose efficacy, coil tabs and coil one-body molded, processing is simple.
As preferred scheme, the armature protuberance that the upper and lower both ends of the surface in vibration transducing portion of above-mentioned armature extend to form to permanent magnet, armature protuberance and armature one-body molded.
Adopt above-mentioned preferred scheme, the vibration transducing portion of armature arranges armature protuberance, when armature is subject to larger impulsive force, armature protuberance forms resilience force to armature, make vibration transducing portion can get back to initial middle position, and can not inhale extremely with the permanent magnet in iron core, cause vibration transducing to lose efficacy, armature protuberance and armature one-body molded, processing is simple.
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.
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.
Wherein, 10. armature, 11. fixed parts, 12. vibration transducing portions, 20. coils, 30. iron cores, 40. permanent magnets, 50. shells, 60. vibrating membranes, 70. conductive bar, 80. elastic layers, 81. coil tabs, 82. armature protuberances, 90. circuit boards.
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, in wherein a kind of execution mode of the present invention, provide a kind of there is the receiver improving circuit board, comprising:
Shell 50, comprises end box and upper cover, is provided with the boss around upper cover inwall in upper cover;
Vibrating membrane 60, it is arranged at the upper cover inside of shell 50 and is divided into ante-chamber and back cavity by bubble-tight for shell 50, and the wall body of ante-chamber is provided with acoustic aperture;
Be arranged at the magnetic driving mechanism in back cavity, comprise 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, and vibration transducing portion 12 is in transmission connection by conductive bar 70 and vibrating membrane 60;
Circuit board 90, is arranged at shell 20 exterior bottom and welds with coil 20, circuit board 90 is also welded with frequency dividing circuit.
In present embodiment, circuit board 90 is arranged on shell 50 exterior bottom, reduces the length of receiver, is convenient to install, circuit board 90 directly welds with coil simultaneously, and decrease pad, processing technology is simple, reduce cost, also avoid because rosin joint, missing solder etc. affect the acoustical quality of receiver, on the other hand, frequency dividing circuit can make Hz-KHz larger, reduce invalid vibration, increase the service life, improve tonequality, especially make low-frequency effect better.
Wherein, above-mentioned frequency dividing circuit is the load circuit being connected with circuit and electric capacity.
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 circuit board 90 is also connected with earth connection.
Adopt above-mentioned preferred scheme, earth connection avoids the both positive and negative polarity short circuit of circuit board 90, reduces noise, improves diamagnetic antijamming capability.
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 permanent magnet 40 surface is provided with elastic layer 80, and elastic layer 80 is tpu layer, pe layer or pvc layer.
Adopt above-mentioned preferred scheme, when armature 10 is subject to larger impulsive force, the vibration transducing portion 12 of armature 10 upwards or slamming down to permanent magnet 40 time, elastic layer 80 gives armature 10 resilience force, make vibration transducing portion 12 can get back to initial middle position, and can not inhale extremely with the permanent magnet 40 in iron core 30, cause vibration transducing to lose efficacy.
Wherein, above-mentioned shell 50 comprises end box and upper cover, vibrating membrane is arranged in upper cover,, reduce the height of end box, the physical dimension of receiver entirety can be reduced, make the processing technology of end box simple, end box and upper cover are processed simultaneously, shorten process time, and the length of conductive bar is also more prone to prune simultaneously.
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 about 20 inner chamber body extends to form coil tabs 81 to vibration transducing portion 12, distance between coil tabs 81 to vibration transducing portion 12 is less than the distance between permanent magnet 40 to vibration transducing portion 12, and coil tabs 81 is one-body molded with coil 20.
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, coil tabs 81 pairs of armatures 10 form resilience force, make vibration transducing portion 12 can get back to initial middle position, and can not inhale with the permanent magnet 40 in iron core 30 extremely, cause vibration transducing to lose efficacy, coil tabs 81 is one-body molded with coil 20, and processing is simple.
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, vibration transducing portion about 12 both ends of the surface of above-mentioned armature 10 extend to form armature protuberance 82 to permanent magnet 40, and armature protuberance 82 is one-body molded with armature 10.
Adopt above-mentioned preferred scheme, the vibration transducing portion 12 of armature 10 arranges armature protuberance 82, when armature 10 is subject to larger impulsive force, armature protuberance 82 pairs of armatures 10 form resilience force, make vibration transducing portion 12 can get back to initial middle position, and can not inhale with the permanent magnet 40 in iron core 30 extremely, cause vibration transducing to lose efficacy, armature protuberance 82 is one-body molded with armature 10, and processing is simple.
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 (7)
1. there is the receiver improving circuit board, it is characterized in that, comprising:
Shell, comprises end box and upper cover, is provided with the boss around described upper cover inwall in described upper cover;
Vibrating membrane, it is inner and Shell is divided into ante-chamber and back cavity that it is arranged at the upper cover of described shell, and the wall body of described ante-chamber is provided with acoustic aperture;
Be arranged at the magnetic driving mechanism in described back cavity, comprise 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, and described vibration transducing portion is in transmission connection by conductive bar and described vibrating membrane;
Circuit board, to be arranged at bottom outer side and to weld with described coil, described circuit board is also welded with frequency dividing circuit.
2. according to claim 1 have the receiver improving circuit board, and it is characterized in that, described frequency dividing circuit is the load circuit being connected with circuit and/or electric capacity.
3. according to claim 1 have the receiver improving circuit board, it is characterized in that, described circuit board is also connected with earth connection.
4. according to claim 1 have the receiver improving circuit board, and it is characterized in that, the surface of described permanent magnet is provided with elastic membrane.
5. according to claim 1 have the receiver improving circuit board, and it is characterized in that, described elastic membrane is tpu film, pe film or pvc film.
6. according to claim 1 have the receiver improving circuit board, it is characterized in that, the upper and lower inner chamber body of described coil extends to form coil tabs to described vibration transducing portion, distance between described coil tabs to described vibration transducing portion is less than the distance between described permanent magnet to described vibration transducing portion, described coil tabs and described coil one-body molded.
7. according to claim 1 have improve the receiver of circuit board, it is characterized in that, the armature protuberance that the upper and lower both ends of the surface in vibration transducing portion of described armature extend to form to described permanent magnet, described armature protuberance and described armature one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850596.4A CN104581576A (en) | 2014-12-31 | 2014-12-31 | Telephone receiver provided with improved circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850596.4A CN104581576A (en) | 2014-12-31 | 2014-12-31 | Telephone receiver provided with improved circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104581576A true CN104581576A (en) | 2015-04-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410850596.4A Pending CN104581576A (en) | 2014-12-31 | 2014-12-31 | Telephone receiver provided with improved circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104581576A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105959888A (en) * | 2016-07-18 | 2016-09-21 | 苏州亿欧得电子有限公司 | Compact moving-iron telephone receiver, |
| CN108093354A (en) * | 2017-12-25 | 2018-05-29 | 苏州明氏自动化技术有限公司 | Moving-iron receiver |
Citations (7)
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| JP2003163993A (en) * | 2001-11-28 | 2003-06-06 | Sony Corp | Acoustic/electric transducer and electronic equipment |
| CN101237722A (en) * | 2008-02-15 | 2008-08-06 | 瑞声声学科技(常州)有限公司 | Making method for miniature sound part |
| CN201479347U (en) * | 2009-09-14 | 2010-05-19 | 中山奥凯华泰电子有限公司 | Mixing double-unit earphone |
| CN103051996A (en) * | 2012-12-25 | 2013-04-17 | 苏州恒听电子有限公司 | Bone conduction receiver with integrated diaphragm |
| CN103200504A (en) * | 2012-01-04 | 2013-07-10 | 苏州恒听电子有限公司 | Anti-mechanical shock armature device used for moving-iron receiver/ speaker |
| CN103747374A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | A receiver with an improved casing |
| CN103747378A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | Magnetic driving mechanism and receiver |
-
2014
- 2014-12-31 CN CN201410850596.4A patent/CN104581576A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003163993A (en) * | 2001-11-28 | 2003-06-06 | Sony Corp | Acoustic/electric transducer and electronic equipment |
| CN101237722A (en) * | 2008-02-15 | 2008-08-06 | 瑞声声学科技(常州)有限公司 | Making method for miniature sound part |
| CN201479347U (en) * | 2009-09-14 | 2010-05-19 | 中山奥凯华泰电子有限公司 | Mixing double-unit earphone |
| CN103200504A (en) * | 2012-01-04 | 2013-07-10 | 苏州恒听电子有限公司 | Anti-mechanical shock armature device used for moving-iron receiver/ speaker |
| CN103051996A (en) * | 2012-12-25 | 2013-04-17 | 苏州恒听电子有限公司 | Bone conduction receiver with integrated diaphragm |
| CN103747374A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | A receiver with an improved casing |
| CN103747378A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | Magnetic driving mechanism and receiver |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105959888A (en) * | 2016-07-18 | 2016-09-21 | 苏州亿欧得电子有限公司 | Compact moving-iron telephone receiver, |
| CN108093354A (en) * | 2017-12-25 | 2018-05-29 | 苏州明氏自动化技术有限公司 | Moving-iron receiver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| 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. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150429 |