CN205071305U - Audiphone intelligence constant voltage power supply controller - Google Patents
Audiphone intelligence constant voltage power supply controller Download PDFInfo
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- CN205071305U CN205071305U CN201520906136.9U CN201520906136U CN205071305U CN 205071305 U CN205071305 U CN 205071305U CN 201520906136 U CN201520906136 U CN 201520906136U CN 205071305 U CN205071305 U CN 205071305U
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Abstract
The utility model discloses an audiphone intelligence constant voltage power supply controller, including time base chip U1, U2 is put to fortune, resistance R1, diode VD1, triode VT1, potentiometre RP1 and inductance L, time base chip U1 pin 8 is connected respectively to time base chip U1 pin 4, resistance R2, diode VDZ negative pole, diode VD1 is anodal, potentiometre RP1 one end summation potential ware RP1 gleitbretter, the resistance R2 other end VCC that connects respectively, U2 pin 7 and triode VT1 collecting electrode are put to fortune, triode VT2 projecting pole is connected to the potentiometre RP1 other end, diode VD1 negative pole and resistance R1 are connected respectively to triode VT2 base, triode VT2 collecting electrode is connected fortune respectively and is put U2 pin 3, electric capacity C1, the time base chip U1 pin 2, time base chip U1 pin 6 and time base chip U1 pin 7. The utility model discloses audiphone intelligence constant voltage power supply controller uses NE555 control, and circuit structure is simple, and is small, with low costs, and the steady voltage effect is outstanding, fine improvement the life of audiphone, especially adapted using widely.
Description
Technical field
The utility model relates to a kind of power-supply controller of electric, specifically a kind of hearing aids Intellight voltage-stabilizing power-supply controller of electric.
Background technology
Hearing aids is a miniature loudspeaker, the unheard sound of script is expanded, the residual hearing of the recycling person that listens to barrier, make sound can deliver to brain auditory center, and feel sound, primarily of microphone, amplifier, earphone, power supply and volume control five part composition, wherein the quality of power supply directly determines the useful life of hearing aids, now commercially much cheap hearing aids, all non-constant of voltage regulation result of power unit, causes these hearing aidss not use for a long time.
Utility model content
The purpose of this utility model is to provide a kind of hearing aids Intellight voltage-stabilizing power-supply controller of electric, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of hearing aids Intellight voltage-stabilizing power-supply controller of electric, base chip U1 when comprising, amplifier U2, resistance R1, diode VD1, triode VT1, potentiometer RP1 and inductance L, base chip U1 pin 8 when base chip U1 pin 4 connects respectively time described, resistance R2, diode VDZ negative pole, diode VD1 positive pole, potentiometer RP1 one end and potentiometer RP1 slide plate, the resistance R2 other end connects power supply VCC respectively, amplifier U2 pin 7 and triode VT1 collector electrode, potentiometer RP1 other end connecting triode VT2 emitter, triode VT2 base stage connects diode VD1 negative pole and resistance R1 respectively, and triode VT2 collector electrode connects amplifier U2 pin 3 respectively, electric capacity C1, time base chip U1 pin 2, time base chip U1 pin 6 and Shi Ji chip U1 pin 7, time base chip U1 pin 5 connect electric capacity C3, the electric capacity C3 other end connects diode VDZ positive pole respectively, time base chip U1 pin 1, resistance R1, the electric capacity C1 other end, amplifier U2 pin 4, potentiometer RP2 one end and electric capacity C2, the resistance R1 other end connects diode VD1 negative pole and triode VT2 base stage respectively, amplifier U2 pin 6 connecting triode VT1 base stage, and triode VT1 emitter connects inductance L, and the inductance L other end connects the electric capacity C2 other end respectively, the potentiometer RP2 other end and output end vo, potentiometer RP2 slide plate connects amplifier U2 pin 2.
As further program of the utility model: time described, base chip U1 adopts NE555.
As further program of the utility model: described amplifier U2 adopts LM324.
As further program of the utility model: described diode VDZ is voltage stabilizing didoe.
As the utility model further scheme: described power supply VCC voltage is 9V.
Compared with prior art, the beneficial effects of the utility model are: the utility model hearing aids Intellight voltage-stabilizing power-supply controller of electric, use NE555 to control, circuit structure is simple, and volume is little, and cost is low, voltage regulation result is outstanding, well improves the useful life of hearing aids, is applicable to very much promoting the use of.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of hearing aids Intellight voltage-stabilizing power-supply controller of electric.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of hearing aids Intellight voltage-stabilizing power-supply controller of electric, base chip U1 when comprising, amplifier U2, resistance R1, diode VD1, triode VT1, potentiometer RP1 and inductance L, time base chip U1 pin 4 base chip U1 pin 8 when connecting respectively, resistance R2, diode VDZ negative pole, diode VD1 positive pole, potentiometer RP1 one end and potentiometer RP1 slide plate, the resistance R2 other end connects power supply VCC respectively, amplifier U2 pin 7 and triode VT1 collector electrode, potentiometer RP1 other end connecting triode VT2 emitter, triode VT2 base stage connects diode VD1 negative pole and resistance R1 respectively, and triode VT2 collector electrode connects amplifier U2 pin 3 respectively, electric capacity C1, time base chip U1 pin 2, time base chip U1 pin 6 and Shi Ji chip U1 pin 7, time base chip U1 pin 5 connect electric capacity C3, the electric capacity C3 other end connects diode VDZ positive pole respectively, time base chip U1 pin 1, resistance R1, the electric capacity C1 other end, amplifier U2 pin 4, potentiometer RP2 one end and electric capacity C2, the resistance R1 other end connects diode VD1 negative pole and triode VT2 base stage respectively, amplifier U2 pin 6 connecting triode VT1 base stage, and triode VT1 emitter connects inductance L, and the inductance L other end connects the electric capacity C2 other end respectively, the potentiometer RP2 other end and output end vo, potentiometer RP2 slide plate connects amplifier U2 pin 2.
Time base chip U1 adopt NE555.
Amplifier U2 adopts LM324.
Diode VDZ is voltage stabilizing didoe.
Power supply VCC voltage is 9V.
Operation principle of the present utility model is: refer to Fig. 1, be made up of NE555 multivibrator, constant-current circuit, reaction type voltage comparator etc., the voltage that constant-current circuit and reaction type Correctional tube can make its output voltage keep stable, NE555 and VT2, RP1, C1 etc. form a constant current mode multivibrator, its frequency of oscillation determines primarily of RP1, C1 charge constant, VD1, VD2, R1, VT2 etc. form constant-current source, to keep the linear of sawtooth voltage in C1 charging process.U22 adopts operational amplifier LM324, and be connected into voltage compare amplifier, the sampling voltage taking from RP2 adds to the end of oppisite phase of U2, and the sawtooth voltage on C1 adds to in-phase end.When output end vo voltage increases for a certain reason, the square wave duty ratio that U2 is exported reduces, and switching tube VT1 ON time shortens, and the average voltage on C2 is reduced; Otherwise when output end vo voltage reduces, VT1 ON time increases, the upper voltage of C2 increases, and reaches the object of voltage stabilizing.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (5)
1. a hearing aids Intellight voltage-stabilizing power-supply controller of electric, base chip U1 when comprising, amplifier U2, resistance R1, diode VD1, triode VT1, potentiometer RP1 and inductance L, is characterized in that, base chip U1 pin 8 when base chip U1 pin 4 connects respectively time described, resistance R2, diode VDZ negative pole, diode VD1 positive pole, potentiometer RP1 one end and potentiometer RP1 slide plate, the resistance R2 other end connects power supply VCC respectively, amplifier U2 pin 7 and triode VT1 collector electrode, potentiometer RP1 other end connecting triode VT2 emitter, triode VT2 base stage connects diode VD1 negative pole and resistance R1 respectively, and triode VT2 collector electrode connects amplifier U2 pin 3 respectively, electric capacity C1, time base chip U1 pin 2, time base chip U1 pin 6 and Shi Ji chip U1 pin 7, time base chip U1 pin 5 connect electric capacity C3, the electric capacity C3 other end connects diode VDZ positive pole respectively, time base chip U1 pin 1, resistance R1, the electric capacity C1 other end, amplifier U2 pin 4, potentiometer RP2 one end and electric capacity C2, the resistance R1 other end connects diode VD1 negative pole and triode VT2 base stage respectively, amplifier U2 pin 6 connecting triode VT1 base stage, and triode VT1 emitter connects inductance L, and the inductance L other end connects the electric capacity C2 other end respectively, the potentiometer RP2 other end and output end vo, potentiometer RP2 slide plate connects amplifier U2 pin 2.
2. hearing aids Intellight voltage-stabilizing power-supply controller of electric according to claim 1, is characterized in that, time described, base chip U1 adopts NE555.
3. hearing aids Intellight voltage-stabilizing power-supply controller of electric according to claim 1, is characterized in that, described amplifier U2 adopts LM324.
4. hearing aids Intellight voltage-stabilizing power-supply controller of electric according to claim 1, is characterized in that, described diode VDZ is voltage stabilizing didoe.
5. hearing aids Intellight voltage-stabilizing power-supply controller of electric according to claim 1, is characterized in that, described power supply VCC voltage is 9V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520906136.9U CN205071305U (en) | 2015-11-14 | 2015-11-14 | Audiphone intelligence constant voltage power supply controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520906136.9U CN205071305U (en) | 2015-11-14 | 2015-11-14 | Audiphone intelligence constant voltage power supply controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205071305U true CN205071305U (en) | 2016-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520906136.9U Expired - Fee Related CN205071305U (en) | 2015-11-14 | 2015-11-14 | Audiphone intelligence constant voltage power supply controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205071305U (en) |
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2015
- 2015-11-14 CN CN201520906136.9U patent/CN205071305U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20160302 Termination date: 20161114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |