CN202679631U - Sound-electricity-sound converter and hearing aid adopting same - Google Patents
Sound-electricity-sound converter and hearing aid adopting same Download PDFInfo
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- CN202679631U CN202679631U CN 201220356608 CN201220356608U CN202679631U CN 202679631 U CN202679631 U CN 202679631U CN 201220356608 CN201220356608 CN 201220356608 CN 201220356608 U CN201220356608 U CN 201220356608U CN 202679631 U CN202679631 U CN 202679631U
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Abstract
The utility model discloses a sound-electricity-sound converter which comprises a moving-magnetic plane coil microphone, a moving-magnetic type ultrathin receiver and a PCB with a power amplifier IC component, wherein the PCB with the power amplifier IC component is respectively connected with the moving-magnetic plane coil microphone and the moving-magnetic type ultrathin receiver. The moving-magnetic plane coil microphone and the moving-magnetic type ultrathin receiver are low-impedance components without carrying out impedance transformation, so that the sound-electricity-sound converter provided by the utility model can not need to carry out impedance transformation.
Description
Technical field
The utility model relate to a kind of sound-electric-acoustical convertor and adopt the hearing aids of this sound-electric-acoustical convertor.
Background technology
Electroacoustic transducer is to receive acoustical signal and output electrical signals or receive the signal of telecommunication and export a kind of device of acoustical signal, and commonly used have microphone, loud speaker, earphone, transmitter and a receiver.It is to be instigated by the energy in the sound system for sound-electric transducer, converts acoustic energy (mechanical energy) to electric flux simultaneously and is transported to unit, the device that goes in the electric system.It is to be instigated by the energy in the electricity system for electro-acoustic transducer, simultaneously electric energy conversion is become unit, the device of machinery (acoustics) Energy transfer in the sound system.Some electroacoustic transducer is reversible, both can be used as acoustic receiver, also can be used as acoustic radiator, but wants to become reversible tautomerization integral type unit, but need to carry out particular design.Generally sound-electric-sound conversion often because microphone is high impedance (for example: condenser microphone, electret capacitor microphone), if do not use impedance transformer that its high impedance is become Low ESR, is difficult to carry out smoothly the signal transmission.
The utility model content
Technical problem to be solved in the utility model is, provide a kind of can carry out impedance transformation sound-electric-acoustical convertor and hearing aids.
The utility model be achieved in that provide a kind of sound-electric-acoustical convertor, comprise moving magnet planar coil microphone, moving-magnetic type ultrathin telephone receiver and with the pcb board of power discharging IC device; Described pcb board with the power discharging IC device is connected with described moving magnet planar coil microphone, described moving-magnetic type ultrathin telephone receiver respectively.
Further, described moving magnet planar coil microphone comprises vortex planar coil and magnetic film; Described vortex planar coil is faced mutually with described magnetic film, is provided with the gap between described vortex planar coil and the described magnetic film; Described vortex planar coil and described magnetic are not provided with cover in the outside, and described cover is provided with passage.
Further, described moving-magnetic type ultrathin telephone receiver comprises the housing of built-in vibrating diaphragm, be compounded with powder of permanent-magnet material on the described vibrating diaphragm, be provided with planar coil and damping hole as the keynote circle at the shell wall of the housing that is positioned at described vibrating diaphragm one side, be provided with plane repeater coil and sender as repeater coil at the shell wall of the housing that is positioned at described vibrating diaphragm opposite side, between described planar coil and described plane repeater coil, form and to make being connected that the total magnetic field strengthened.
Further, described sound-electric-acoustical convertor also comprises support; The connecting portion that described support comprises the first extension, the second extension and is arranged between described the first extension and described the second extension and described the first extension is connected with described the second extension; The both sides of described connecting portion and the part between described the first extension and described the second extension form respectively the first chamber and the second chamber; Described moving magnet planar coil microphone is positioned at described the first chamber; Described moving-magnetic type ultrathin telephone receiver is positioned at described the second chamber.
Further, described connecting portion is provided with the wire transfer port, and described wire transfer port is with described the first chamber and described the second chamber UNICOM.
Further, be interval with the wire transfer port on the described connecting portion, described wire transfer port is with described the first chamber and described the second chamber UNICOM; Described sound-electric-acoustical convertor also comprises battery, the first installing space and the second installing space; Described the first installing space described connecting portion extend and with described wire transfer port in one cross, described battery is arranged in described the first installing space; Described the second installing space described connecting portion extend and with described wire transfer port in another cross, described pcb board with the power discharging IC device is arranged in described the second installing space.
The utility model also provides a kind of hearing aids, it comprise aforesaid sound-electric-acoustical convertor.
Compared with prior art, the moving magnet planar coil microphone that adopts in the utility model and moving-magnetic type ultrathin telephone receiver all are low-impedance device, all need not carry out impedance transformation, therefore, in the utility model sound-electric-acoustical convertor and hearing aids can carry out impedance transformation.
Description of drawings
Fig. 1 is the generalized section of sound-electric-acoustical convertor among the utility model one embodiment.
Fig. 2 is the structural representation of moving magnet planar coil microphone among Fig. 1.
Fig. 3 is the structural representation of moving-magnetic type ultrathin telephone receiver among Fig. 1.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Figure 1 shows that the generalized section of sound-electric-acoustical convertor among the utility model one embodiment.As shown in fig. 1, sound-electric-acoustical convertor comprise the first cover plate 1, battery 2, support 3, acoustic-electric converter 4 such as moving magnet planar coil microphone, electro-acoustic converter 6 such as moving-magnetic type ultrathin telephone receiver, with pcb board 8 and second cover plate 9 of power discharging IC device.
Wherein, support 3 is folded between the first cover plate 1 and the second cover plate 9.In the embodiment shown in fig. 1, the cross section of support 3 roughly is " worker " font, comprise the first extension 31 of engaging with the first cover plate 1, with the second extension 32 of the second cover plate 9 joints and the connecting portion 33 that is arranged between the first extension 31 and the second extension 32 and the first extension 31 is connected with the second extension 32.The both sides of connecting portion 33 and the part between the first extension 31 and the second extension 32 form respectively the first chamber 34 and the second chamber 35.Acoustic-electric converter 4 is positioned at the first chamber 34; Electro-acoustic converter 6 is positioned at the second chamber 35.
In addition, sound-electric-acoustical convertor also comprises wire transfer port 5,7, the first installing space 36 and the second installing space 37.Wire transfer port 5,7 compartment of terrains are formed on the connecting portion 33 and respectively with the first chamber 34 and the second chamber 35 UNICOMs, pass for wire.The first installing space 36 runs through the first cover plate 1 and extends to wire transfer port 5 towards connecting portion 33 inside along the axis of connecting portion 33 and crosses; Battery 2 can be arranged in the first installing space 36, and can pass through wire transfer port 5,7 and be connected with other elements.The second installing space 37 runs through the second cover plate 9 and extends to wire transfer port 7 towards connecting portion 33 inside along the axis of connecting portion 33 and crosses; Pcb board 8 with the power discharging IC device can be arranged in the second installing space 37, and wire that can be by passing wire transfer port 7 and other elements such as acoustic-electric converter 4 are connected with electro-acoustic converter and are connected.
Acoustic-electric converter 4 in the present embodiment can adopt the moving magnet planar coil microphone among No. 200920256064.2, the Chinese patent ZL, and its concrete structure can be with reference to the specification of No. 200920256064.2, Chinese patent ZL.For example, as shown in Figure 2, the moving magnet planar coil microphone can comprise vortex planar coil 41 and magnetic film 42, and vortex planar coil 41 faces mutually with magnetic film 42, is provided with the gap between vortex planar coil 41 and magnetic film 42.Be provided with cover 43 in vortex planar coil 41 and magnetic film 42 outsides, be provided with passage at cover 43, at sound passage upper cover dustcloth 44 is arranged.
Electro-acoustic converter in the present embodiment can adopt the moving-magnetic type ultrathin telephone receiver among No. 201120015150.1, the Chinese patent ZL, and its concrete structure can be with reference to the specification of No. 201120015150.1, Chinese patent ZL.For example, as shown in Figure 3, moving-magnetic type ultrathin telephone receiver can comprise the housing 61 of built-in vibrating diaphragm 62, be compounded with powder of permanent-magnet material at vibrating diaphragm 62, be provided with planar coil 63 and damping hole 64 as the keynote circle at the shell wall of the housing 61 that is positioned at vibrating diaphragm 62 1 sides, be provided with plane repeater coil 65 and sender 66 as repeater coil at the shell wall of the housing 610 that is positioned at vibrating diaphragm 62 opposite sides, between planar coil 63 and plane repeater coil 65, form and to make being connected that the total magnetic field strengthened.
Above-mentioned is the concrete structure of sound-electric-acoustical convertor among the utility model one embodiment, its operation principle of brief description.
After external acoustical signal is imported into, convert the signal of telecommunication to through the moving magnet planar coil microphone; Afterwards, become the high-power signal of telecommunication by the pcb board 8 with the power discharging IC device, send into again moving-magnetic type ultrathin telephone receiver.Because moving magnet planar coil microphone and moving-magnetic type ultrathin telephone receiver do not need to carry out special impedance transformer, and large through the power of its moving-magnetic type ultrathin telephone receiver behind the power amplifier, then can promote moving-magnetic type ultrathin telephone receiver 6 and obtain stronger acoustical signal and finish sound-electric-sound conversion.
In addition, based in the utility model above-described embodiment sound-electric-acoustical convertor, can produce utilize in above-described embodiment sound-electric-Miniature hearing-aid compatible or auxiliary tin of device of acoustical convertor.
In sum, in the utility model sound-electric-acoustical convertor can have following a bit:
1, because moving magnet planar coil microphone and moving-magnetic type ultrathin telephone receiver all are low-impedance device, all need not carry out impedance transformation, therefore, in the utility model sound-electric-acoustical convertor can carry out impedance transformation.
2, in the utility model sound-electric-acoustical convertor simple in structure, element is few, it is miniature to can be made into, superthin structure; And in concrete the manufacturing, can satisfy and can utilize automatic production line, tissue is produced.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (7)
1. sound-electric-acoustical convertor is characterized in that, described sound-electric-acoustical convertor comprises moving magnet planar coil microphone, moving-magnetic type ultrathin telephone receiver and with the pcb board of power discharging IC device; Described pcb board with the power discharging IC device is connected with described moving magnet planar coil microphone, described moving-magnetic type ultrathin telephone receiver respectively.
As claimed in claim 1 sound-electric-acoustical convertor, it is characterized in that, described moving magnet planar coil microphone comprises vortex planar coil and magnetic film; Described vortex planar coil is faced mutually with described magnetic film, is provided with the gap between described vortex planar coil and the described magnetic film; Described vortex planar coil and described magnetic are not provided with cover in the outside, and described cover is provided with passage.
As claimed in claim 1 sound-electric-acoustical convertor, it is characterized in that, described moving-magnetic type ultrathin telephone receiver comprises the housing of built-in vibrating diaphragm, be compounded with powder of permanent-magnet material on the described vibrating diaphragm, be provided with planar coil and damping hole as the keynote circle at the shell wall of the housing that is positioned at described vibrating diaphragm one side, be provided with plane repeater coil and sender as repeater coil at the shell wall of the housing that is positioned at described vibrating diaphragm opposite side, between described planar coil and described plane repeater coil, form and to make being connected that the total magnetic field strengthened.
As in the claims 1 to 3 any one described sound-electric-acoustical convertor, it is characterized in that, described sound-electric-acoustical convertor also comprises support; The connecting portion that described support comprises the first extension, the second extension and is arranged between described the first extension and described the second extension and described the first extension is connected with described the second extension; The both sides of described connecting portion and the part between described the first extension and described the second extension form respectively the first chamber and the second chamber; Described moving magnet planar coil microphone is positioned at described the first chamber; Described moving-magnetic type ultrathin telephone receiver is positioned at described the second chamber.
As claimed in claim 4 sound-electric-acoustical convertor, it is characterized in that, described connecting portion is provided with the wire transfer port, described wire transfer port is with described the first chamber and described the second chamber UNICOM.
As claimed in claim 4 sound-electric-acoustical convertor, it is characterized in that, be interval with the wire transfer port on the described connecting portion, described wire transfer port is with described the first chamber and described the second chamber UNICOM; Described sound-electric-acoustical convertor also comprises battery, the first installing space and the second installing space; Described the first installing space described connecting portion extend and with described wire transfer port in one cross, described battery is arranged in described the first installing space; Described the second installing space described connecting portion extend and with described wire transfer port in another cross, described pcb board with the power discharging IC device is arranged in described the second installing space.
7. a hearing aids is characterized in that, described hearing aids comprise as in the claims 1 to 3 any one described sound-electric-acoustical convertor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220356608 CN202679631U (en) | 2012-07-11 | 2012-07-11 | Sound-electricity-sound converter and hearing aid adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220356608 CN202679631U (en) | 2012-07-11 | 2012-07-11 | Sound-electricity-sound converter and hearing aid adopting same |
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| Publication Number | Publication Date |
|---|---|
| CN202679631U true CN202679631U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220356608 Expired - Fee Related CN202679631U (en) | 2012-07-11 | 2012-07-11 | Sound-electricity-sound converter and hearing aid adopting same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107071671A (en) * | 2016-12-08 | 2017-08-18 | 苏州亿欧得电子有限公司 | Receiver with damping structure |
-
2012
- 2012-07-11 CN CN 201220356608 patent/CN202679631U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107071671A (en) * | 2016-12-08 | 2017-08-18 | 苏州亿欧得电子有限公司 | Receiver with damping structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20160711 |