CN205846783U - With handset mounting and the intelligent 5V power supply adaptor of ear playing function - Google Patents

With handset mounting and the intelligent 5V power supply adaptor of ear playing function Download PDF

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Publication number
CN205846783U
CN205846783U CN201620708866.2U CN201620708866U CN205846783U CN 205846783 U CN205846783 U CN 205846783U CN 201620708866 U CN201620708866 U CN 201620708866U CN 205846783 U CN205846783 U CN 205846783U
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China
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resistance
audion
diode
foot
power supply
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CN201620708866.2U
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Chinese (zh)
Inventor
刘举柱
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Lu'an City Tongxinchangneng Electronic Technology Co Ltd
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Lu'an City Tongxinchangneng Electronic Technology Co Ltd
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Abstract

The utility model discloses the intelligent 5V power supply adaptor of a kind of band handset mounting and ear playing function; including a shell; described shell is provided with handset mounting; during charging, mobile phone can be placed on handset mounting; described handset mounting front end is connected by rotating shaft support upper cover; mobile phone can be protected by support upper cover, be positioned on shell in handset mounting both sides and be provided with speaker hole, in described shell, be provided with charging circuit;This utility model circuit structure is simple, and practical application effect is good, makes electronic equipment after fully charged, automatically disconnects 5V power supply adaptor power supply, using electricity wisely, prevent over-charging of battery, reaches to extend the service life of electronic product battery.

Description

With handset mounting and the intelligent 5V power supply adaptor of ear playing function
Technical field
This utility model relates to power control circuit technical field, is specifically related to a kind of band handset mounting and ear playing function Intelligence 5V power supply adaptor.
Background technology
Along with the development of science and technology, occur in that each electronic product, and be widely used in various occasion.People house, Go out provisional capital and be unable to do without electronic product, such as mobile phone, notebook computer, ipad, electric motor car etc., need often charging could remain normal Work.
As a example by smart mobile phone, when power supply adaptor (i.e. charger) does not charges when, you are to may proceed to power supply of ining succession, Still pull out?According to an investigation display, owing to the smart mobile phone power consumption commonly used now is big, almost will charge every day, So in order to easy to use, people more than half will not pull out charger, but is connected on power supply always.
Charger is connected on power supply when zero load, still can power consumption.The electricity that such as although mobile phone consumes seldom (country Proposed standard be less than 150 milliwatts), but according to the whole nation nearly 1,000,000,000 cellphone subscribers in have making of quite a lot of (at least accounting for 1/8) User does not pull out this ratio of charger and calculates, and these power consumptions consumed in vain are 12500 kilowatts (by average consumption 100 milli Watt calculate).And the no-load power consumption of a laptop adapter is even up to 5 watts, though separate unit power consumption is little, but accumulation effect The most surprising.In view of also MP3, MP4, DVD, PDA, printer, drawing apparatus, liquid crystal display, phone composite aircraft and will push away Wide intelligent glasses, the various portable mobile products such as intelligent watch, the unloaded waste of power supply adaptor is by unimaginable.Even if no Consideration can overcome spontaneous combustion, eliminate the advantages such as electromagnetic radiation pollution, only from the point of view of Energy Angle, promotes this product and is equivalent to build One carbon emission is the power plant of zero!
If people have awareness of saving energy when making electrical appliance, form good consumption habit, the substantial amounts of energy can be saved, but Cannot require that hundreds of millions of electronic product users pulls out light source of charger after can accomplishing to be finished in time.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of circuit structure simple, economic and environment-friendly band mobile phone Support and the intelligent 5V power supply adaptor of ear playing function.
Technical problem to be solved in the utility model realizes by the following technical solutions:
A kind of band handset mounting and the intelligent 5V power supply adaptor of ear playing function, including a shell, described shell is provided with Handset mounting, during charging, mobile phone can be placed on handset mounting, and described handset mounting front end is connected by rotating shaft support upper cover, Mobile phone can be protected by support upper cover, be positioned on shell in handset mounting both sides and be provided with speaker hole, described shell Inside it is provided with charging circuit;
Described charging circuit include live wire connect end L, zero line connect end N, the first resistance R1, bidirectional triode thyristor VT1, second Resistance R2, the 3rd resistance R3, photoelectrical coupler IC1, first linkage press button AN1K, the first audion Q1, the 4th resistance R4, 5th resistance R5, the first electric capacity C1, the second audion Q2, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the two or two pole Pipe D2,5V switching power circuit IC2,5V output USB socket V1, the 9th resistance R9, the tenth resistance R10, the 3rd audion Q3, the Four electric capacity C4, the 3rd diode D3, the 4th diode D4, the first diode D1, the 7th diode D7, the 11st resistance R11, Two linkage press button AN1R, the 4th audion Q4, the 5th electric capacity C5, the 12nd resistance R12, the 5th audion Q5, the 13rd Resistance R13, the 14th resistance R14, the 6th audion Q6, the 15th resistance R15, the first display lamp LED1, the 6th diode D6, 5th diode D5, integrated amplifier IC circuit the 3, first speaker Y1, the second speaker Y2, L channel potentiometer LW1, R channel Potentiometer RW1, headset plug MF1 and microphone MC1;
Described live wire connects end L and zero line connects end N one end and is connected respectively on 220V power supply, and described live wire connects end L The other end is connected respectively to first resistance R1 one end, the 1st foot of bidirectional triode thyristor VT1 and the one of the first linkage press button AN1K End, described first linkage the press button AN1K other end through the second resistance R2 be respectively connecting to photoelectrical coupler IC1 the 4th foot and 2nd foot of bidirectional triode thyristor VT1, the described first resistance R1 other end is connected to the 3rd foot of photoelectrical coupler IC1, described smooth thermocouple 2nd foot ground connection of clutch IC1, the 3rd foot of described photoelectrical coupler IC1 is connected to the transmitting of the first audion Q1 through the 3rd resistance R3 Pole, the 3rd foot of described bidirectional triode thyristor VT1 is connected to the 1st input pin of 5V switching power circuit IC2;
Described zero line connects the end N other end and is connected to the 2nd input pin of 5V switching power circuit IC2, described 5V Switching Power Supply 4th output pin of IC circuit 2 is connected to the negative pole of 5V output USB socket V1, and the positive pole of described 5V output USB socket V1 is respectively connected to 8th resistance one end, the second diode D2 negative pole and the 6th resistance R6 one end, the described 8th resistance R8 other end is respectively connected to 5V 3rd output pin of switching power circuit IC2, the first audion Q1 colelctor electrode and the second audion Q2 emitter stage, the described 2nd 2 Pole pipe D2 positive pole is respectively connected to the first audion Q1 colelctor electrode and the second audion Q2 emitter stage, described first audion Q1 base stage Being connected to the 4th resistance R4 one end, the 4th resistance R4 other end and the first electric capacity C1 and the 5th resistance R5 mono-end are connected to the second audion Q2 colelctor electrode, described second audion Q2 base stage is respectively connected to the 6th resistance R6 other end and the 7th resistance R7 one end, and described Seven resistance R7 other end ground connection;The described first electric capacity C1 other end, the 5th resistance R5 other end ground connection respectively;Described six or two pole Pipe D6 negative pole and the 7th diode D7 negative pole are all connected to the second audion Q2 colelctor electrode and the 5th resistance R5 one end;
3rd output pin of described 5V switching power circuit IC2 is also connected to the second audion Q2 emitter stage, the 9th resistance R9 mono- End, the second linkage press button AN1R one end, the 4th audion Q4 colelctor electrode, the 15th resistance R15 one end, the 14th resistance R14 one end and the 6th audion Q6 emitter stage, the described 9th resistance R9 other end is connected to the tenth resistance R10 one end and the three or three pole Pipe Q3 colelctor electrode, the tenth resistance R10 other end is connected to the 3rd audion Q3 base stage, and the 3rd audion Q3 grounded emitter is described 3rd audion Q3 colelctor electrode is connected to the 3rd diode D3 negative pole and the 4th diode D4 positive pole through the 4th electric capacity C4, the three or two pole Pipe D3 plus earth, the 4th diode D4 negative pole is connected to the first diode D1 negative pole and the 11st resistance R11 one end, the one or two pole Pipe D1 positive pole is connected to the second linkage press button AN1R other end and the 7th diode D7 positive pole, and described 11st resistance R11 is another One end is connected to the 4th audion Q4 base stage, and described 4th audion Q4 emitter stage is connected to the 5th electric capacity C5 one end and the 12nd resistance R12 one end, the 5th electric capacity C5 other end ground connection, the 12nd resistance R12 other end is connected to the 5th audion Q5 base stage, and the described 5th Audion Q5 colelctor electrode is connected to the 6th audion Q6 base stage through the 13rd resistance R13, and the described 14th resistance R14 other end is respectively Being connected to the 6th audion Q6 base stage and the 13rd audion R13 one end, the described 15th resistance R15 other end is connected to the first instruction Lamp LED1 positive pole, the 5th audion Q5 grounded emitter;Described 6th audion Q6 colelctor electrode is connected to the 6th diode D6 positive pole With the 5th diode D5 positive pole, described 5th diode D5 negative pole is connected to the 1st foot of integrated amplifier IC circuit 3, the success of described collection Electric discharge road IC3 the 5th foot and the 6th foot meet the first speaker Y1 and the second speaker Y2 respectively;
L channel L on described headset plug MF1 is respectively connected to the second electric capacity C2 one end and collection through L channel potentiometer LW1 Becoming the 3rd foot of power amplifier IC3, R channel R is respectively connected to the 3rd electric capacity C3 one end and integrated amplifier through R channel potentiometer RW1 It is connected to the 3rd audion Q3 after 4th foot of IC circuit 3, the described second electric capacity C2 other end and the coupling of the 3rd electric capacity C3 other end Base stage.
Described integrated amplifier IC circuit 3 selects PAM8403 integrated circuit.
The 4th foot ground connection of described 5V switching power circuit IC2.
Described second diode D2 positive pole is also connected to the 3rd foot of 5V switching power circuit IC2.
Described first audion Q1 colelctor electrode is connected to the emitter stage of the second audion Q2.
Described L channel and R channel are additionally coupled to microphone MC1.
The beneficial effects of the utility model are: this utility model circuit structure is simple, and practical application effect is good, it is possible to make electricity Subset, after fully charged, automatically disconnect 5V power supply adaptor power supply, using electricity wisely, prevents over-charging of battery, reaches to extend electronics In the service life of series products battery, can be simultaneously reached the purpose of safety utilization of electric power.
Accompanying drawing explanation
Fig. 1 is this utility model integrated circuit figure;
Fig. 2 is this utility model shape assumption diagram.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, under Face combines and is specifically illustrating, and this utility model is expanded on further.
As shown in Figure 1 and Figure 2, a kind of band handset mounting and the intelligent 5V power supply adaptor of ear playing function, including a shell 1, Described shell 1 is provided with handset mounting 2, and during charging, mobile phone can be placed on handset mounting 2, and described handset mounting 2 front end is passed through Rotating shaft 3 connects support upper cover 4, can be protected mobile phone by support upper cover 4, be positioned at shell in handset mounting 2 both sides It is provided with speaker hole 5, in described shell 1, is provided with charging circuit;
Operation principle is as follows:
First L end and N end are connected on 220V power supply, when mobile phone needs charging, charging wire are connected to 5V output In USB socket V1, after pressing linkage press button AN1K and AN1R switch, 220V voltage L end connects through linkage press button AN1K After Tong, after R2 resistance blood pressure lowering, it is connected to 2 feet of VT1 bidirectional triode thyristor, makes 3 foot output 220V voltages of VT1 bidirectional triode thyristor To input 1 foot and 2 feet of 5V switching power circuit IC2,5V switching power circuit IC2 is made to obtain electric work output 5V voltage;This Time because of linkage press button AN1R connect after, 5V voltage after D7 diode current flow negative pole export 5V voltage, fast to C1 electric capacity Speed charging, 5V voltage is connected to Q1 transistor base through R4 resistance blood pressure lowering simultaneously, makes Q1 triode ON, Q1 transistor emitter Output high level is connected to IC1 photoelectrical coupler interior light emitting diodes 1 foot after R3 resistance blood pressure lowering, makes IC1 photoelectrical coupler Interior light emitting diodes obtains electric work, and IC1 photoelectrical coupler 3 foot is connected to the L end of 220V voltage through R1 resistance.When IC1 photoelectricity After bonder obtains electric work, after internal photoconductive resistance obtains illumination, resistance diminishes, and exports high level at 4 feet and is connected to VT1 pair To silicon controlled 2 foot, making VT1 bidirectional triode thyristor tend to remain on, 5V switching power circuit IC2 keeps duty.So Time AN1K and AN1R linkage press button disconnect after, because C1 electric capacity is fully charged, will discharge by Q1 audion, Q1 audion guarantor Hold conducting, and, because mobile phone or electronic equipment used are charging, will produce about at R8 resistance two ends and D2 diode two ends simultaneously The DC voltage of 0.5V-0.7V, is connected to the base stage of Q2 audion through R6 resistance, makes Q2 triode ON, Q2 audion current collection Pole output high level charges to C1, simultaneously through R4 resistance to Q1 transistor base, makes Q1 audion be held on, IC1 light thermocouple Clutch is held on, and VT1 bidirectional triode thyristor is held on, and 5V switching power circuit IC2 keeps duty, and mobile phone normally fills Electricity.
When after certain time, mobile phone is fully charged, and 5V charging current is gradually reduced, the voltage drop at R8 resistance two ends diminish for Zero volt, makes Q2 audion end, but now C1 electric capacity will by Q1 audion and photoelectrical coupler IC1 interior light emitting diodes just Pole, to negative pole to ground electric discharge, makes Q1 audion and photoelectrical coupler IC1 keep duty, makes VT1 bidirectional triode thyristor keep leading Logical, 5V switching power circuit IC2 keeps duty.After being quickly discharged along with C1 electric capacity, Q1 audion ends, light thermocouple Clutch IC1 dead electricity does not works, and the unglazed resistance of shining of photoconductive resistance within photoelectrical coupler IC1 becomes very big, makes photoelectrical coupler 4 feet of IC1 cannot export high level, makes VT1 bidirectional triode thyristor 2 foot end without trigger voltage, and 5V switching power circuit IC2 loses Electricity does not works, thus realize mobile phone fully charged after, time delay automatically powers off, thus reach using electricity wisely and protection battery of mobile phone will not It is overcharged, extending cell phone battery.
After connecting, with mobile phone or player, the earphone jack that MF1 headset plug inserts mobile phone used or player, can be real Outer player function.Now after L end and N end are connected to 220V power supply, headset plug inserts in earphone jack, press linkage by After button switch AN1K and AN1R, after AN1K connection, 220V voltage is connected to 2 feet of VT1 bidirectional triode thyristor after R2 resistance blood pressure lowering, Make 3 feet output 220V voltages of VT1 bidirectional triode thyristor to input 1 foot of 5V switching power circuit IC2 and 2 feet, make 5V switch Power circuit IC2 obtains electric work output 5V voltage, and the 5V positive voltage of the 3 foot outputs of 5V switching power circuit IC2 connects AN1R One end of linkage press button, while pressing linkage press button AN1K and AN1R, after AN1R linkage press button is connected, 5V voltage is connected to the base stage of Q4 audion through D1 diode output 5V voltage after R11 resistance blood pressure lowering, makes Q4 triode ON, The output high level one road direction electric capacity C5 charging of Q4 transistor emitter, makes Q5 triode ON through R12 resistance simultaneously, makes Q6 tri-pole Pipe turn on, Q6 transistor collector export about 4.5V voltage export after D5 diode current flow 4V voltage supply PAM8403 integrated 1 foot of power amplifier IC3 foot of powering is powered.Now, MF1 headset plug is already connected in the earphone jack of mobile phone or player, Having audio signal to export through LW1 L channel and RW1 each point of two-way of R channel two-way audio signal, L left channel signals one tunnel is through electricity Holding C2 and be connected to the base stage of Q3 audion, another road L left channel signals is connected to 3 feet of PAM8403 integrated amplifier IC circuit 3;R Right-channel signals one tunnel is also connected to Q3 transistor base through C3 electric capacity, and it is integrated that another road R right-channel signals is connected to PAM8403 4 feet of power amplifier IC3, carry out audio signal amplification through PAM8403 integrated amplifier IC circuit 3 inside, through the success of PAM8403 collection 5 feet and the 6 feet output audio signal of electric discharge road IC3 emit a dulcet sound to Y1 and Y2 speaker.
When L and R left and right sound track signals is capacitively coupled to the base stage of Q3 audion through C2 electric capacity and C3, amplify through Q3 audion After colelctor electrode output audio signal through C4 Capacitance Coupled output audio signal after D3 diode and D4 diode halfwave rectifier, It is connected to Q5 transistor base at D4 diode cathode output high level signal through resistance R11, makes Q5 audion be held on, make Q5 audion and Q6 audion are all held on, and PAM8403 integrated amplifier IC circuit 3 remains powered on duty.
When MF1 headset plug removal mobile phone or player earphone jack after, left and right acoustic channels no audio signal, now, Q3 Audion ends because of no audio signal, because now AN1R is the most already off, makes Q4 audion end, is now filled on C4 electric capacity Voltage to Q5 transistor base, makes Q5 audion be held on through R12 resistance, and Q6 audion is also switched on, PAM8403 integrated amplifier IC circuit 3 keeps duty.After C5 electric capacity is slowly discharged, Q5 and Q6 audion is turned off, PAM8403 integrated amplifier electricity Road IC3 dead electricity does not works.After Q6 audion ends, C1 electric capacity makes IC1 photoelectrical coupler keep leading by the electric discharge of Q1 audion It is logical that VT1 bidirectional triode thyristor is held on, 5V voltage adapter holding work a little while, after C1 electric capacity is discharged, and A1 audion Ending, IC1 photoelectrical coupler and VT1 bidirectional triode thyristor are turned off, and 5V power supply adaptor dead electricity does not works, thus reaches to economize on The purpose of electricity.
On of the present utility model ultimate principle and principal character and of the present utility model advantage have been shown and described.The industry Skilled person will appreciate that, this utility model is not restricted to the described embodiments, described in above-described embodiment and description Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model also can There are various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.This utility model is wanted Protection domain is asked to be defined by appending claims and equivalent thereof.

Claims (5)

1. band handset mounting and an intelligent 5V power supply adaptor for ear playing function, connects end (L), zero line connection end including live wire (N), the first resistance (R1), bidirectional triode thyristor (VT1), the second resistance (R2), the 3rd resistance (R3), photoelectrical coupler (IC1), One linkage press button (AN1K), the first audion (Q1), the 4th resistance (R4), the 5th resistance (R5), the first electric capacity (C1), the Two audions (Q2), the 6th resistance (R6), the 7th resistance (R7), the 8th resistance (R8), the second diode (D2), 5V Switching Power Supply Circuit (IC2), 5V output USB socket (V1), the 9th resistance (R9), the tenth resistance (R10), the 3rd audion (Q3), the 4th electricity Hold (C4), the 3rd diode (D3), the 4th diode (D4), the first diode (D1), the 7th diode (D7), the 11st resistance (R11), second linkage press button (AN1R), the 4th audion (Q4), the 5th electric capacity (C5), the 12nd resistance (R12), the 5th Audion (Q5), the 13rd resistance (R13), the 14th resistance (R14), the 6th audion (Q6), the 15th resistance (R15), One display lamp (LED1), the 6th diode (D6), the 5th diode (D5), integrated amplifier circuit (IC3), the first speaker (Y1), the second speaker (Y2), L channel potentiometer (LW1), R channel potentiometer (RW1) and headset plug (MF1);
Described live wire connects end (L) and zero line connects end (N) one end and is connected respectively on 220V power supply, and described live wire connects end (L) other end is connected respectively to the first resistance (R1) one end, the 1st foot of bidirectional triode thyristor (VT1) and the first linkage press button (AN1K) one end, described first linkage press button (AN1K) other end is respectively connecting to photoelectric coupling through the second resistance (R2) 4th foot of device (IC1) and the 2nd foot of bidirectional triode thyristor (VT1), described first resistance (R1) other end is connected to photoelectrical coupler (IC1) the 3rd foot, the 2nd foot ground connection of described photoelectrical coupler (IC1), the 3rd foot of described photoelectrical coupler (IC1) is through the 3rd Resistance (R3) is connected to the emitter stage of the first audion (Q1), and the 3rd foot of described bidirectional triode thyristor (VT1) is connected to 5V switch power supply 1st input pin on road (IC2);
Described zero line connects end (N) other end and is connected to the 2nd input pin of 5V switching power circuit (IC2), described 5V Switching Power Supply 4th output pin of circuit (IC2) is connected to the negative pole of 5V output USB socket (V1), and the positive pole of described 5V output USB socket (V1) divides It is not connected to the 8th resistance (R8) one end, the second diode (D2) negative pole and the 6th resistance (R6) one end, described 8th resistance (R8) The other end is respectively connected to the 3rd output pin of 5V switching power circuit (IC2), the first audion (Q1) colelctor electrode and the second audion (Q2) emitter stage, described second diode (D2) positive pole is respectively connected to the first audion (Q1) colelctor electrode and the second audion (Q2) Emitter stage, described first audion (Q1) base stage is connected to the 4th resistance (R4) one end, the 4th resistance (R4) other end and the first electricity Holding (C1) and the 5th resistance (R5) one end is connected to the second audion (Q2) colelctor electrode, described second audion (Q2) base stage connects respectively To the 6th resistance (R6) other end and the 7th resistance (R7) one end, described 7th resistance (R7) other end ground connection;Described first electricity Hold (C1) other end, the 5th resistance (R5) other end ground connection respectively;Described 6th diode (D6) negative pole and the 7th diode (D7) negative pole is all connected to the second audion (Q2) colelctor electrode and the 5th resistance (R5) one end;
3rd output pin of described 5V switching power circuit (IC2) is also connected to the second audion (Q2) emitter stage, the 9th resistance (R9) One end, second linkage press button (AN1R) one end, the 4th audion (Q4) colelctor electrode, the 15th resistance (R15) one end, the tenth Four resistance (R14) one end and the 6th audion (Q6) emitter stage, described 9th resistance (R9) other end is connected to the tenth resistance (R10) One end and the 3rd audion (Q3) colelctor electrode, the tenth resistance (R10) other end is connected to the 3rd audion (Q3) base stage, the three or three pole Pipe (Q3) grounded emitter, described 3rd audion (Q3) colelctor electrode is connected to the 3rd diode (D3) negative pole through the 4th electric capacity (C4) With the 4th diode (D4) positive pole, the 3rd diode (D3) plus earth, the 4th diode (D4) negative pole is connected to the first diode (D1) negative pole and the 11st resistance (R11) one end, it is another that the first diode (D1) positive pole is connected to the second linkage press button (AN1R) One end and the 7th diode (D7) positive pole, described 11st resistance (R11) other end is connected to the 4th audion (Q4) base stage, described 4th audion (Q4) emitter stage is connected to the 5th electric capacity (C5) one end and the 12nd resistance (R12) one end, and the 5th electric capacity (C5) is another One end ground connection, the 12nd resistance (R12) other end is connected to the 5th audion (Q5) base stage, described 5th audion (Q5) colelctor electrode Being connected to the 6th audion (Q6) base stage through the 13rd resistance (R13), described 14th resistance (R14) other end is respectively connected to the 6th Audion (Q6) base stage and the 13rd audion (R13) one end, described 15th resistance (R15) other end is connected to the first display lamp (LED1) positive pole, the 5th audion (Q5) grounded emitter;Described 6th audion (Q6) colelctor electrode is connected to the 6th diode (D6) positive pole and the 5th diode (D5) positive pole, described 5th diode (D5) negative pole is connected to the 1st of integrated amplifier circuit (IC3) Foot, described integrated amplifier circuit (IC3) the 5th foot and the 6th foot connect the first speaker (Y1) and the second speaker (Y2) respectively;
L channel on described headset plug (MF1) through L channel potentiometer (LW1) be respectively connected to the second electric capacity (C2) one end and 3rd foot of integrated amplifier circuit (IC3), R channel through R channel potentiometer (RW1) be respectively connected to the 3rd electric capacity (C3) one end and Connect after 4th foot of integrated amplifier circuit (IC3), described second electric capacity (C2) other end and the coupling of the 3rd electric capacity (C3) other end To the 3rd audion (Q3) base stage.
Band handset mounting the most according to claim 1 and the intelligent 5V power supply adaptor of ear playing function, it is characterised in that institute State integrated amplifier circuit (IC3) and select PAM8403 integrated circuit.
Band handset mounting the most according to claim 1 and the intelligent 5V power supply adaptor of ear playing function, it is characterised in that institute State the 4th foot ground connection of 5V switching power circuit (IC2).
Band handset mounting the most according to claim 1 and the intelligent 5V power supply adaptor of ear playing function, it is characterised in that institute State the second diode (D2) positive pole and be also connected to the 3rd foot of 5V switching power circuit (IC2).
Band handset mounting the most according to claim 1 and the intelligent 5V power supply adaptor of ear playing function, it is characterised in that institute State the first audion (Q1) colelctor electrode and be connected to the emitter stage of the second audion (Q2).
CN201620708866.2U 2016-07-06 2016-07-06 With handset mounting and the intelligent 5V power supply adaptor of ear playing function Withdrawn - After Issue CN205846783U (en)

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Application Number Priority Date Filing Date Title
CN201620708866.2U CN205846783U (en) 2016-07-06 2016-07-06 With handset mounting and the intelligent 5V power supply adaptor of ear playing function

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106058992A (en) * 2016-07-06 2016-10-26 六安市同心畅能电子科技有限公司 Intelligent 5V power adapter with mobile phone bracket function and earphone amplifier function
CN108879883A (en) * 2018-08-14 2018-11-23 合肥斯姆雷品牌管理有限公司 A kind of fully charged mobile phone USB charging cable circuit automatically powered off
CN109149285A (en) * 2018-08-14 2019-01-04 合肥斯姆雷品牌管理有限公司 A kind of mobile phone charging wire with automatic circuit break function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106058992A (en) * 2016-07-06 2016-10-26 六安市同心畅能电子科技有限公司 Intelligent 5V power adapter with mobile phone bracket function and earphone amplifier function
CN108879883A (en) * 2018-08-14 2018-11-23 合肥斯姆雷品牌管理有限公司 A kind of fully charged mobile phone USB charging cable circuit automatically powered off
CN109149285A (en) * 2018-08-14 2019-01-04 合肥斯姆雷品牌管理有限公司 A kind of mobile phone charging wire with automatic circuit break function

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