CN106058992B - Intelligent 5V power supply adaptor with handset bracket and ear playing function - Google Patents
Intelligent 5V power supply adaptor with handset bracket and ear playing function Download PDFInfo
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- CN106058992B CN106058992B CN201610528688.XA CN201610528688A CN106058992B CN 106058992 B CN106058992 B CN 106058992B CN 201610528688 A CN201610528688 A CN 201610528688A CN 106058992 B CN106058992 B CN 106058992B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/04—Supports for telephone transmitters or receivers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The invention discloses a kind of intelligent 5V power supply adaptor with handset bracket and ear playing function; including a shell; the shell is equipped with handset bracket; mobile phone can be placed on handset bracket when charging; the handset bracket front end is connected with bracket upper cover by shaft; mobile phone can be protected by bracket upper cover, be located on the shell in handset bracket two sides equipped with speaker hole, charging circuit is equipped in the shell；Circuit structure of the present invention is simple, and practical application effect is good, makes electronic equipment after fully charged, automatic to disconnect 5V power supply adaptor power supply, and using electricity wisely prevents over-charging of battery, reaches the service life for extending electronic product battery.
Description
Technical field
The present invention relates to power control circuit technical fields, and in particular to a kind of intelligence with handset bracket and ear playing function
5V power supply adaptor.
Background technique
With the development of science and technology, there is each electronic product, and be widely used in various occasions.People house,
Trip all be unable to do without electronic product, such as mobile phone, laptop, ipad, electric vehicle, and needing often to charge could remain normal
Work.
By taking smart phone as an example, when power supply adaptor (i.e. charger) does not charge, you are to will continue to power supply of ining succession,
Still pull out? it shows according to an investigation, since the smart phone power consumption generally used now is big, will almost charge daily,
So for ease of use, people more than half will not pull out charger, but be connected on power supply always.
Charger is connected on power supply in zero load, still can power consumption.Such as mobile phone is although the electricity of consumption is seldom (national
Proposed standard be less than 150 milliwatts), but according to having making for quite a lot of (at least accounting for 1/8) in nearly 1,000,000,000 mobile phone user in the whole nation
This ratio that user does not pull out charger calculates, these power consumptions consumed in vain are 12500 kilowatts (by 100 milli of average consumption
Watt calculate).And the no-load power consumption of a laptop adapter is even up to 5 watts, though separate unit power consumption is less, accumulation effect
Fruit is surprising.In view of that there are also MP3, MP4, DVD, PDA, printer, plotter, liquid crystal display, phone composite aircraft and will push away
The unloaded waste of wide intelligent glasses, the various portable mobile products such as smartwatch, power supply adaptor will be unimaginable.Even if no
Consideration can overcome the advantages such as spontaneous combustion, elimination electromagnetic radiation pollution to promote the product only for Energy Angle and be equivalent to build
The power plant that one carbon emission is zero！
If people have awareness of saving energy when using electric appliance, good consumption habit is formed, a large amount of energy can be saved, but
It can not require hundreds of millions of electronic product users that can accomplish to pull out light source of charger in time after being finished.
Summary of the invention
Technical problem to be solved by the present invention lies in providing, a kind of circuit structure is simple, economic and environment-friendly band handset bracket
With the intelligent 5V power supply adaptor of ear playing function.
The technical problems to be solved by the invention are realized using following technical scheme:
A kind of intelligent 5V power supply adaptor with handset bracket and ear playing function, including a shell, the shell are equipped with
Handset bracket, mobile phone can be placed on handset bracket when charging, and the handset bracket front end is connected with bracket upper cover by shaft,
Mobile phone can be protected, be located on the shell in handset bracket two sides equipped with speaker hole, the shell by bracket upper cover
It is interior to be equipped with charging circuit；
The charging circuit includes firewire connecting pin L, zero curve connecting pin N, first resistor R1, bidirectional triode thyristor VT1, second
Resistance R2,3rd resistor R3, photoelectrical coupler IC1, first linkage button switch AN1K, the first triode Q1, the 4th resistance R4,
5th resistance R5, first capacitor C1, the second triode 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 export USB socket V1, the 9th resistance R9, the tenth resistance R10, third transistor Q3, the
Four capacitor C4, third diode D3, the 4th diode D4, first diode D1, the 7th diode D7, eleventh resistor R11,
Two linkage button switch AN1R, the 4th triode Q4, the 5th capacitor C5, twelfth resistor R12, the 5th triode Q5, the 13rd
Resistance R13, the 14th resistance R14, the 6th triode Q6, the 15th resistance R15, the first indicator light LED1, the 6th diode D6,
5th diode D5, integrated amplifier IC circuit 3, the first loudspeaker Y1, the second loudspeaker Y2, L channel potentiometer LW1, right channel
Potentiometer RW1, headset plug MF1 and microphone MC1；
The firewire connecting pin L and zero curve connecting pin one end N are connected respectively on 220V power supply, the firewire connecting pin L
The other end is connected respectively to the one of the one end first resistor R1, the 1st foot of bidirectional triode thyristor VT1 and the first linkage button switch AN1K
End, it is described first linkage the button switch AN1K other end through second resistance R2 be respectively connected to photoelectrical coupler IC1 the 4th foot and
The 2nd foot of bidirectional triode thyristor VT1, another the 3rd foot for being connected to photoelectrical coupler IC1 of the first resistor R1, the photoelectricity coupling
The 2nd foot of clutch IC1 is grounded, and the 3rd foot of the photoelectrical coupler IC1 is connected to the transmitting of the first triode Q1 through 3rd resistor R3
3rd foot of pole, the bidirectional triode thyristor VT1 is connected to the 1st input pin of 5V switching power circuit IC2；
Another the 2nd input pin for being connected to 5V switching power circuit IC2 of the zero curve connecting pin N, the 5V Switching Power Supply
4th output pin of IC circuit 2 is connected to the cathode of 5V output USB socket V1, and the anode of the 5V output USB socket V1 is respectively connected to
8th resistance one end, the second diode D2 cathode and the 6th one end resistance R6, the 8th resistance R8 other end are respectively connected to 5V
The 3rd output pin, the first triode Q1 collector and the second triode Q2 emitter of switching power circuit IC2, the described 2nd 2
Pole pipe D2 anode is respectively connected to the first triode Q1 collector and the second triode Q2 emitter, the first triode Q1 base stage
It is connected to the 4th one end resistance R4, the 4th resistance R4 other end and mono- end first capacitor C1 and the 5th resistance R5 are connected to the second triode
Q2 collector, the second triode Q2 base stage are respectively connected to the 6th resistance R6 other end and the 7th one end resistance R7, and described
Seven resistance R7 other ends ground connection；The first capacitor C1 other end, the 5th resistance R5 other end are grounded respectively；Six or two pole
Pipe D6 cathode and the 7th diode D7 cathode are connected to the second triode Q2 collector and the 5th one end resistance R5；
The 3rd output pin of the 5V switching power circuit IC2 is also connected to the second triode Q2 emitter, the 9th resistance R9 mono-
End, second linkage one end button switch AN1R, the 4th triode Q4 collector, the 15th one end resistance R15, the 14th resistance
The one end R14 and the 6th triode Q6 emitter, the 9th resistance R9 is another to be connected to the tenth one end resistance R10 and the three or three pole
Pipe Q3 collector, the tenth resistance R10 is another to be connected to third transistor Q3 base stage, and third transistor Q3 emitter ground connection is described
Third transistor Q3 collector is connected to third diode D3 cathode and the 4th diode D4 anode, the three or two pole through the 4th capacitor C4
Pipe D3 plus earth, the 4th diode D4 cathode are connected to first diode D1 cathode and the one end eleventh resistor R11, the one or two pole
Pipe D1 anode is connected to the second linkage button switch AN1R other end and the 7th diode D7 anode, and the eleventh resistor R11 is another
One end is connected to the 4th triode Q4 base stage, and the 4th triode Q4 emitter is connected to the 5th one end capacitor C5 and twelfth resistor
The one end R12, the 5th capacitor C5 other end ground connection, twelfth resistor R12 is another to be connected to the 5th triode Q5 base stage, and the described 5th
Triode Q5 collector is connected to the 6th triode Q6 base stage, the 14th resistance R14 other end difference through thirteenth resistor R13
It is connected to the 6th triode Q6 base stage and the 13rd one end triode R13, the 15th resistance R15 is another to be connected to the first instruction
Lamp LED1 anode, the 5th triode Q5 emitter ground connection；The 6th triode Q6 collector is connected to the 6th diode D6 anode
With the 5th diode D5 anode, the 5th diode D5 cathode is connected to the 1st foot of integrated amplifier IC circuit 3, described to collect successfully
Electric discharge the 5th foot of road IC3 and the 6th foot meet the first loudspeaker Y1 and the second loudspeaker Y2 respectively；
L channel L on the headset plug MF1 is respectively connected to second one end capacitor C2 sum aggregate through L channel potentiometer LW1
At the 3rd foot of power amplifier IC3, right channel R is respectively connected to third one end capacitor C3 and integrated amplifier through right channel potentiometer RW1
Third transistor Q3 is connected to after 4th foot of IC circuit 3, the second capacitor C2 other end and the coupling of the third capacitor C3 other end
Base stage.
The integrated amplifier IC circuit 3 selects PAM8403 integrated circuit.
The 4th foot of the 5V switching power circuit IC2 is grounded.
The second diode D2 anode is also connected to the 3rd foot of 5V switching power circuit IC2.
The first triode Q1 collector is connected to the emitter of the second triode Q2.
The L channel and right channel is additionally coupled to microphone MC1.
The beneficial effects of the present invention are: circuit structure of the present invention is simple, practical application effect is good, electronic equipment can be made to exist
Automatic to disconnect 5V power supply adaptor power supply after fully charged, using electricity wisely prevents over-charging of battery, reaches and extends electronic product electricity
The service life in pond can be simultaneously reached the purpose of safety utilization of electric power.
Detailed description of the invention
Fig. 1 is integrated circuit figure of the present invention；
Fig. 2 is shape assumption diagram of the present invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
As shown in Figure 1 and Figure 2, a kind of intelligent 5V power supply adaptor with handset bracket and ear playing function, including a shell 1,
The shell 1 is equipped with handset bracket 2, and mobile phone can be placed on handset bracket 2 when charging, and 2 front end of handset bracket passes through
Shaft 3 is connected with bracket upper cover 4, can be protected to mobile phone by bracket upper cover 4, is located at shell in 2 two sides of handset bracket
It is equipped with speaker hole 5, is equipped with charging circuit in the shell 1；
Working principle is as follows:
The end L and N-terminal are connected on 220V power supply first, when mobile phone needs to charge, charging cable is connected to 5V output
In USB socket V1, after pressing linkage button switch AN1K and AN1R switch, the end voltage L 220V connects through linkage button switch AN1K
After logical, it is connected to 2 feet of VT1 bidirectional triode thyristor after the decompression of R2 resistance, 3 feet of VT1 bidirectional triode thyristor is made to export 220V voltage
To 1 foot of input terminal of 5V switching power circuit IC2 and 2 feet, 5V switching power circuit IC2 work once electrified is made to export 5V voltage；This
When because linkage button switch AN1R connect after, 5V voltage after D7 diode current flow cathode export 5V voltage, it is fast to C1 capacitor
Speed charging, while 5V voltage is connected to Q1 transistor base through the decompression of R4 resistance, makes Q1 triode ON, Q1 transistor emitter
Output high level is connected to 1 foot of IC1 photoelectrical coupler interior light emitting diodes after the decompression of R3 resistance, makes IC1 photoelectrical coupler
Interior light emitting diodes work once electrified, 3 foot of IC1 photoelectrical coupler are connected to the end L of 220V voltage through R1 resistance.When IC1 photoelectricity
After coupler work once electrified, after internal photo resistance obtains illumination, resistance value becomes smaller, and it is bis- to be connected to VT1 in 4 feet output high level
To 2 silicon-controlled feet, tend to remain on VT1 bidirectional triode thyristor, 5V switching power circuit IC2 keeps working condition.So
When AN1K and AN1R linkage button switch disconnect after, because C1 capacitor is fully charged, will be discharged by Q1 triode, Q1 triode protect
Hold conducting, and simultaneously, because mobile phone or used in electronic equipment charging, will be generated about at R8 resistance both ends and D2 diode both ends
The DC voltage of 0.5V-0.7V is connected to the base stage of Q2 triode through R6 resistance, makes Q2 triode ON, Q2 triode current collection
Pole exports high level and charges to C1, while through R4 resistance to Q1 transistor base, is held on Q1 triode, IC1 photoelectricity coupling
Clutch is held on, and VT1 bidirectional triode thyristor is held on, and 5V switching power circuit IC2 keeps working condition, and mobile phone normally fills
Electricity.
When after a certain period of time, mobile phone is fully charged, 5V charging current is gradually reduced, the voltage drop at R8 resistance both ends become smaller for
Zero volt ends Q2 triode, but C1 capacitor will be by Q1 triode and photoelectrical coupler IC1 interior light emitting diodes just at this time
Pole is discharged to cathode to ground, and Q1 triode and photoelectrical coupler IC1 is made to keep working condition, leads the holding of VT1 bidirectional triode thyristor
Logical, 5V switching power circuit IC2 keeps working condition.After being discharged quickly with C1 capacitor, the cut-off of Q1 triode, photoelectricity coupling
Clutch IC1 power loss does not work, and the photo resistance no light resistance value inside photoelectrical coupler IC1 becomes very big, makes photoelectrical coupler
4 feet of IC1 can not export high level, end 2 foot of VT1 bidirectional triode thyristor without trigger voltage, and 5V switching power circuit IC2 loses
Electricity does not work, so that delay automatically powers off after realizing that mobile phone is fully charged, to reach using electricity wisely and protect battery of mobile phone will not
It is overcharged, extending cell phone battery.
It, can be real after being inserted into the earphone jack of mobile phone or player used with mobile phone or player connection MF1 headset plug
Now outer player function.At this time after the end L and N-terminal are connected to 220V power supply, headset plug be inserted into earphone jack in, press linkage by
After button switch AN1K and AN1R, 220V voltage is connected to 2 feet of VT1 bidirectional triode thyristor after the decompression of R2 resistance after AN1K is connected,
So that 3 feet of VT1 bidirectional triode thyristor is exported 220V voltage to 1 foot of input terminal of 5V switching power circuit IC2 and 2 feet, switchs 5V
Power circuit IC2 work once electrified exports 5V voltage, and the 5V positive voltage of the 3 feet output of 5V switching power circuit IC2 is connected with AN1R
One end of linkage button switch, while pressing linkage button switch AN1K and AN1R, AN1R links after button switch connection,
5V voltage exports the base stage that 5V voltage is connected to Q4 triode after the decompression of R11 resistance through D1 diode, makes Q4 triode ON,
Q4 transistor emitter exports one road direction capacitor C5 of high level charging, while making Q5 triode ON through R12 resistance, makes tri- pole Q6
Pipe conducting, it is integrated that Q6 transistor collector output about 4.5V voltage exports 4V voltage supply PAM8403 after D5 diode current flow
The 1 foot power supply foot power supply of power amplifier IC3.At this point, MF1 headset plug is already connected in the earphone jack of mobile phone or player,
There is audio signal output through LW1 L channel and RW1 right channel each point of two-way of two-way audio signal, L left channel signals are all the way through electricity
Hold the base stage that C2 is connected to Q3 triode, another way L left channel signals are connected to 3 feet of PAM8403 integrated amplifier IC circuit 3；R
Right-channel signals are also connected to Q3 transistor base through C3 capacitor all the way, and it is integrated that another way R right-channel signals are connected to PAM8403
4 feet of power amplifier IC3, through carrying out audio signal amplification inside PAM8403 integrated amplifier IC circuit 3, through the success of PAM8403 collection
5 feet of electric discharge road IC3 and 6 foot output audio signals emit a dulcet sound to Y1 and Y2 loudspeaker.
When L and R left and right sound track signals are capacitively coupled to through C2 capacitor and C3 the base stage of Q3 triode, amplify through Q3 triode
Afterwards in collector output audio signal through C4 capacitive coupling output audio signal after D3 diode and D4 diode halfwave rectifier,
It is connected to Q5 transistor base through resistance R11 in D4 diode cathode output high level signal, Q5 triode is held on, makes
Q5 triode and Q6 triode are held on, and PAM8403 integrated amplifier IC circuit 3 remains powered on working condition.
After MF1 headset plug removes the earphone jack of mobile phone or player, left and right acoustic channels no audio signal, at this point, Q3
Triode ends because of no audio signal, because AN1R is also already off at this time, ends Q4 triode, is filled on C4 capacitor at this time
Voltage is held on Q5 triode through R12 resistance to Q5 transistor base, and Q6 triode is also switched on, PAM8403 integrated amplifier
IC circuit 3 keeps working condition.After C5 capacitor is slowly discharged, Q5 and Q6 triode is turned off, PAM8403 integrated amplifier electricity
Road IC3 power loss does not work.After the cut-off of Q6 triode, C1 capacitor leads the holding of IC1 photoelectrical coupler by the electric discharge of Q1 triode
Logical VT1 bidirectional triode thyristor is held on a little while, and 5V voltage adapter keeps work, after C1 capacitor is discharged, A1 triode
Cut-off, IC1 photoelectrical coupler and VT1 bidirectional triode thyristor are turned off, and 5V power supply adaptor power loss does not work, and are used to reach saving
The purpose of electricity.
On the basic principles, main features and the advantages of the invention have been shown and described.The technology people of the industry
Member is it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this hairs
Bright principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variations
It all fall within the protetion scope of the claimed invention with improvement.The claimed scope of the invention is by appended claims and its waits
Effect object defines.
Claims (5)
1. a kind of intelligent 5V power supply adaptor with handset bracket and ear playing function, including firewire connecting pin (L), zero curve connecting pin
(N), first resistor (R1), bidirectional triode thyristor (VT1), second resistance (R2), 3rd resistor (R3), photoelectrical coupler (IC1),
One linkage button switch (AN1K), the first triode (Q1), the 4th resistance (R4), the 5th resistance (R5), first capacitor (C1), the
Two triodes (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), third transistor (Q3), the 4th electricity
Hold (C4), third diode (D3), the 4th diode (D4), first diode (D1), the 7th diode (D7), eleventh resistor
(R11), the second linkage button switch (AN1R), the 4th triode (Q4), the 5th capacitor (C5), twelfth resistor (R12), the 5th
Triode (Q5), thirteenth resistor (R13), the 14th resistance (R14), the 6th triode (Q6), the 15th resistance (R15),
One indicator light (LED1), the 6th diode (D6), the 5th diode (D5), integrated amplifier circuit (IC3), the first loudspeaker
(Y1), the second loudspeaker (Y2), L channel potentiometer (LW1), right channel potentiometer (RW1) and headset plug (MF1)；
The firewire connecting pin (L) and the one end zero curve connecting pin (N) are connected respectively on 220V power supply, the firewire connecting pin
(L) other end is connected respectively to the one end first resistor (R1), the 1st input pin of bidirectional triode thyristor (VT1) and the first linkage and presses
One end of button switch (AN1K), the first linkage button switch (AN1K) other end are respectively connected to light through second resistance (R2)
The 2nd pin of triggering of inside photo resistance output the 4th pin and bidirectional triode thyristor (VT1) of electric coupler (IC1), described first
Another inside photo resistance for being connected to photoelectrical coupler (IC1) of resistance (R1) inputs the 3rd pin, the photoelectrical coupler
(IC1) the 2nd pin of triggering ground connection, the 1st pin of input of the photoelectrical coupler (IC1) are connected to first through 3rd resistor (R3)
The 3rd pin of output of the emitter of triode (Q1), the bidirectional triode thyristor (VT1) is connected to 5V switching power circuit (IC2)
The 1st pin of 220V supply input；
Another the 2nd pin of 220V supply input for being connected to 5V switching power circuit (IC2) of the zero curve connecting pin (N), it is described
Negative the 4th pin of 5V voltage output of the direct current of 5V switching power circuit (IC2) is connected to the cathode of 5V output USB socket (V1), described
The anode of 5V output USB socket (V1) is respectively connected to the 8th one end resistance (R8), the second diode (D2) cathode and the 6th resistance
(R6) one end, the 8th resistance (R8) other end are respectively connected to the positive 5V voltage output of direct current of 5V switching power circuit (IC2)
3rd pin, the first triode (Q1) collector and the second triode (Q2) emitter, the second diode (D2) anode is respectively
It is connected to the first triode (Q1) collector and the second triode (Q2) emitter, the first triode (Q1) base stage is connected to the 4th
The one end resistance (R4), the 4th resistance (R4) other end and first capacitor (C1) and the 5th resistance (R5) end are connected to the second triode
(Q2) collector, the second triode (Q2) base stage are respectively connected to the 6th resistance (R6) other end and the 7th resistance (R7) one
End, the 7th resistance (R7) other end ground connection；First capacitor (C1) other end, the 5th resistance (R5) other end connect respectively
Ground；6th diode (D6) cathode and the 7th diode (D7) cathode are connected to the second triode (Q2) collector and the 5th
The one end resistance (R5)；
Positive the 3rd pin of 5V voltage output of the direct current of the 5V switching power circuit (IC2) is also connected to the second triode (Q2) transmitting
Pole, the 9th one end resistance (R9), second linkage one end button switch (AN1R), the 4th triode (Q4) collector, the 15th electricity
Hinder the one end (R15), the 14th resistance one end (R14) and the 6th triode (Q6) emitter, the 9th resistance (R9) other end
It is connected to the tenth resistance one end (R10) and third transistor (Q3) collector, the tenth resistance (R10) is another to be connected to third transistor
(Q3) base stage, third transistor (Q3) emitter ground connection, third transistor (Q3) collector are connected to through the 4th capacitor (C4)
Third diode (D3) cathode and the 4th diode (D4) anode, third diode (D3) plus earth, the 4th diode (D4)
Cathode is connected to first diode (D1) cathode and the one end eleventh resistor (R11), and first diode (D1) anode is connected to second
Dynamic button switch (AN1R) other end and the 7th diode (D7) anode, the eleventh resistor (R11) is another to be connected to the 4th
Triode (Q4) base stage, the 4th triode (Q4) emitter are connected to the 5th capacitor one end (C5) and twelfth resistor (R12)
One end, the 5th capacitor (C5) other end ground connection, twelfth resistor (R12) is another to be connected to the 5th triode (Q5) base stage, described
5th triode (Q5) collector is connected to the 6th triode (Q6) base stage, the 14th resistance through thirteenth resistor (R13)
(R14) other end is respectively connected to the 6th triode (Q6) base stage and the 13rd one end triode (R13), the 15th resistance
(R15) another to be connected to the first indicator light (LED1) anode, the 5th triode (Q5) emitter ground connection；6th triode
(Q6) collector is connected to the 6th diode (D6) anode and the 5th diode (D5) anode, and the 5th diode (D5) cathode connects
To the 1st pin of DC voltage 5V supply input of integrated amplifier circuit (IC3), integrated amplifier circuit (IC3) the L channel sound
Frequency amplified signal exports the 5th pin and right audio channel amplified signal and exports the 6th pin connects the first loudspeaker (Y1) and the respectively
Two loudspeakers (Y2)；
L channel on the headset plug (MF1) through L channel potentiometer (LW1) be respectively connected to the second capacitor one end (C2) and
The left channel audio signal of integrated amplifier circuit (IC3) inputs the 3rd pin, and right channel connects respectively through right channel potentiometer (RW1)
The 4th pin, second capacitor are inputted at the right channel audio signal of power amplifier (IC3) to third capacitor (C3) one end sum aggregate
(C2) third transistor (Q3) base stage is connected to after the other end and the coupling of third capacitor (C3) other end.
2. the intelligent 5V power supply adaptor according to claim 1 with handset bracket and ear playing function, which is characterized in that institute
It states integrated amplifier circuit (IC3) and selects PAM8403 integrated circuit.
3. the intelligent 5V power supply adaptor according to claim 1 with handset bracket and ear playing function, which is characterized in that institute
State negative the 4th pin of the 5V voltage output ground connection of direct current of 5V switching power circuit (IC2).
4. the intelligent 5V power supply adaptor according to claim 1 with handset bracket and ear playing function, which is characterized in that institute
State positive the 3rd pin of 5V voltage output of direct current that the second diode (D2) anode is also connected to 5V switching power circuit (IC2).
5. the intelligent 5V power supply adaptor according to claim 1 with handset bracket and ear playing function, which is characterized in that institute
State the emitter that the first triode (Q1) collector is connected to the second triode (Q2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610528688.XA CN106058992B (en) | 2016-07-06 | 2016-07-06 | Intelligent 5V power supply adaptor with handset bracket and ear playing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610528688.XA CN106058992B (en) | 2016-07-06 | 2016-07-06 | Intelligent 5V power supply adaptor with handset bracket and ear playing function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106058992A CN106058992A (en) | 2016-10-26 |
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| CN107623442B (en) * | 2017-09-05 | 2018-09-18 | 河南省大方重型机器有限公司 | Crane runs contact pressure and adjusts circuit |
| CN108494271A (en) * | 2018-05-09 | 2018-09-04 | 六安市同心畅能电子科技有限公司 | Zero-power-consumption standby power adapter for mobile phones |
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| US7834592B2 (en) * | 2007-09-27 | 2010-11-16 | Pulsetech Products Corporation | Circuit for generating triangular waveform having relatively short linear rise time and substantially long linear fall time |
| CN101521401A (en) * | 2008-11-15 | 2009-09-02 | 康佳集团股份有限公司 | Intelligent charging device and charging method for mobile phone |
| CN201946961U (en) * | 2011-04-07 | 2011-08-24 | 邹国源 | Universal overcharge protection device |
| CN205846783U (en) * | 2016-07-06 | 2016-12-28 | 六安市同心畅能电子科技有限公司 | With handset mounting and the intelligent 5V power supply adaptor of ear playing function |
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