CN102830783B - Intelligent power line of notebook computer power - Google Patents
Intelligent power line of notebook computer power Download PDFInfo
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- CN102830783B CN102830783B CN201210361005.8A CN201210361005A CN102830783B CN 102830783 B CN102830783 B CN 102830783B CN 201210361005 A CN201210361005 A CN 201210361005A CN 102830783 B CN102830783 B CN 102830783B
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Abstract
The invention discloses an intelligent power line of a notebook computer, relating to the technical field of power equipment. An input end LN1 and an output end LN2 are arranged on the intelligent power line of a notebook computer; the input end LN1 is connected with the 220V mains supply; the output end LN2 is connected with a 220V input plug of a notebook power adapter; a button switch AN1 is arranged on the intelligent power line of a notebook computer and connected with a capacitor C1; the capacitor C1 is connected with a capacitor C2 and a voltage stabilizing diode VD1 through diodes D1-D4; the voltage stabilizing diode VD1 is connected with a triode Q1 through a resistor R4 and a resistor R5; an emitter of the triode Q1 is connected with a diode D6; a base of the triode Q1 is connected with a triode Q2 through a resistor R6; the triode Q2 is connected with a relay J1 and a capacitor C5; the button switch AN1 is connected with diodes D7-D10 through a resistor R2; the diode D9 is connected with an optical coupler IC1 through a resistor R7; a pin 3 of the optical coupler IC1 is connected with a resistor R8; one end of the resistor R8 is grounded; and a pin 3 of the optical coupler IC1 is connected with the resistor R6 through a capacitor D11. The intelligent power line disclosed by the invention has simple circuit structure and novel circuit design, saves power consumption, prevents overcharge of batteries, protects the power and battery of the notebook computer, and avoids overcharge.
Description
Technical field
The present invention relates to power-supply device technical field, be specifically related to a kind of intelligent power line of notebook computer power.
Background technology
Along with increasing substantially of computer popularity rate, computer is seen everywhere in daily life, office, amusement etc., and the requirement of convenient, fast degree when people use computer is more and more higher.Notebook computer because of easy to carry, accept by increasing people.Notebook computer shutdown after, its power supply is still carrying out charged state, easy like this cause battery charge overfill, reduce battery, and waste electric resources.
Summary of the invention
It is simple that technical matters to be solved by this invention is to improve a kind of structure, futuramic intelligent power line of notebook computer power.
Technical matters to be solved by this invention realizes by the following technical solutions:
A kind of intelligent power line of notebook computer power, it is characterized in that: in intelligent power line of notebook computer power, be provided with input end LN1 and output terminal LN2, input end LN1 is for connecting 220V civil power, output terminal LN2 is for being connected to the 220V input plug of laptop adapter, intelligent power line of notebook computer power is provided with pushbutton switch AN1, pushbutton switch AN1 is connected with the first electric capacity C1, first electric capacity C1 is connected to the second electric capacity C2 and voltage stabilizing diode VD1 through commutation diode D1 ~ D4, the 4th resistance R4 through being cascaded of one end of second electric capacity C2 and the 5th resistance R5 is connected to the first triode Q1 base stage, the emitter of the first triode Q1 is connected with the 6th diode D6, the collector of the first triode Q1 is connected to the second triode Q2 base stage through the 6th resistance R6, the collector of the second triode Q2 connects the first relay J 1 and the 5th electric capacity C5 that are connected in parallel, the first resistance R1 of pushbutton switch AN1 through being cascaded and the second resistance R2 is connected to the 7th diode D7 being connected into loop, 8th diode D8, 9th diode D9 and the tenth diode D10, 9th diode D9 is connected to optocoupler IC1 through the 7th resistance R7, 3 pin of optocoupler IC1 are connected with the 8th resistance R8, one end ground connection of the 8th resistance R8, 3 pin of optocoupler IC1 are connected to the 6th resistance R6 through the 11 electric capacity D11,
After pushbutton switch AN1 connects, 220V voltage is through the first electric capacity C1 step-down, commutation diode D1 ~ D4 rectification, second electric capacity C2 filtering, 12V voltage is exported after voltage stabilizing diode VD1 voltage stabilizing, + 12V voltage is except giving the first relay J 1 and powering, 12V voltage charges to the 3rd electric capacity C3 through the 4th resistance R4 simultaneously, make the first triode Q1 conducting through the 5th resistance R5 simultaneously, the emitter of the first triode Q1 is connected with the 6th diode D6, 6th diode D6 is connected to the second triode Q2, after the first triode Q1 conducting, first triode Q1 emitter exports high level and makes the second triode Q2 conducting through the 6th resistance R6, relay J 1-1 adhesive, output terminal LN2 exports 220V voltage, laptop adapter is made to obtain electric work, now artificially start notebook computer, make notebook computer start work, now will at the 7th diode D7, 8th diode D8, 9th diode D9, tenth diode D10 two ends will produce the voltage of 1.5-3V, make the luminotron work of optocoupler IC1 inside luminous by the 4th resistance R4, 4 pin of optocoupler IC1 are exported high level and are charged to the 4th electric capacity C4 by the 11 diode D11, make the second triode Q2 keep conducting through the 6th resistance R6 simultaneously, first relay J 1 keeps adhesive, output terminal LN2 keeps 220V voltage, + 12V voltage is full of electricity to very soon the 3rd electric capacity C3, first triode Q1 base stage is in high level, first triode Q1 ends, but now notebook computer normal boot-strap, optocoupler IC1 is made to keep work, 3 pin of optocoupler IC1 still export high level makes the second triode Q2 keep conducting, and after+12V closes, the 3rd electric capacity C3 will by the 5th diode D5, the 3rd resistance R3 to ground electric discharge,
When after notebook computer normal shutdown, during as notebook computer internal cell underfill electricity, as needs charging, now power supply adapter for notebook computer is still obtaining electric work, charge to Notebook Battery, 7th diode D7, the 8th diode D8, the 9th diode D9, the tenth diode D10 two ends still have the voltage of 1.5-3V, make optocoupler IC1 keep work;
After cells in notebook computer is full of electricity, the load reduction of power supply adapter for notebook computer, 7th diode D7, 8th diode D8, 9th diode D9, the voltage at the tenth diode D10 two ends reduces, the luminescence of optocoupler IC1 internal illumination pipe is very dark, the phototriode of optocoupler IC1 inside can not conducting completely, the voltage that 3 pin of optocoupler IC1 export is very low, low-voltage is released to ground through the 8th resistance R8, the 11 diode D11 conducting can not be made, now on the 4th electric capacity C4 institute's charging voltage through the 6th resistance R6 to the second triode Q2 base stage, emitter is to ground electric discharge, the second triode Q2 is made to keep conducting, after the voltage filled as the 4th electric capacity C4 is discharged, second triode Q2 ends, first relay J 1 not adhesive, relay J 1-1 disconnects, the output terminal LN2 dead electricity of notebook computer intelligent power line, thus the 220V power supply disconnecting laptop adapter, reach using electricity wisely, protection cells in notebook computer can not overcharge, protection battery.
The 3rd described resistance R3 is release resistance.
The second described resistance R2 is current-limiting resistance.
The 8th described resistance R8 is dropping resistor.
The 5th described diode D5 is discharge diode.
The invention has the beneficial effects as follows: circuit structure of the present invention is simple; circuit design is novel; when being full of the rear time-delay closing laptop electric power of electricity at battery after notebook computer shutdown; using electricity wisely and prevent battery overcharge; protect laptop electric power and cells in notebook computer, prevent overcharge.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present invention.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
As shown in Figure 1, first the LN1 of notebook computer intelligent power line is held and insert 220V civil power, the LN2 of notebook computer intelligent power line end is connected on the 220V input plug of laptop adapter, press the AN1 pushbutton switch on notebook computer intelligent power line, now 220V voltage is through electric capacity C1 step-down, commutation diode D1-D4 rectification, electric capacity C2 filtering, 12V voltage is exported after voltage stabilizing diode VD1 voltage stabilizing, resistance R3 is release resistance, resistance R2 is current-limiting resistance, + 12V voltage is except giving relay J 1 and powering, 12V voltage charges to electric capacity C3 through resistance R4 simultaneously, make triode Q1 conducting through resistance R5 simultaneously, the emitter of triode Q1 is connected with diode D6 to+12V and holds, after triode Q1 conducting, collector exports high level and makes triode Q2 conducting through resistance R6, relay J 1-1 adhesive, LN2 exports 220V voltage, laptop adapter is made to obtain electric work, now artificially start notebook computer, make notebook computer start work, now will at diode D7, D8, D9, D10 two ends will produce the voltage of 1.5-3V, make the luminotron work of optocoupler IC1 inside luminous by resistance R4, 4 pin of optocoupler IC1 are exported high level and are charged to electric capacity C4 by diode D11, make triode Q2 keep conducting through resistance R6 simultaneously, relay J 1 keeps adhesive, LN2 keeps 220V voltage, resistance R8 is dropping resistor, effect is when the luminescence of optocoupler IC1 internal illumination pipe is very dark, the low-voltage that 3 pin of optocoupler IC1 export will by resistive short to ground, diode D11 is reliably ended, + 12V voltage is full of electricity to very soon electric capacity C3, and triode Q1 base stage is in high level, and triode Q1 end, but now notebook computer normal boot-strap, make optocoupler IC1 keep work, 3 pin still export high level and make triode Q2 maintenance conducting.Diode D5 is discharge diode, and after+12V closes, electric capacity C3 will by diode D5, resistance R3 to ground electric discharge.
When after notebook computer normal shutdown, during as notebook computer internal cell underfill electricity, as needs charging, now power supply adapter for notebook computer is still obtaining electric work, charge to Notebook Battery, diode D7, D8, D9, D10 two ends still have the voltage of 1.5-3V, make optocoupler IC1 keep work.
After cells in notebook computer is full of electricity, the load reduction of power supply adapter for notebook computer, the voltage at diode D7, D8, D9, D10 two ends reduces, and the luminescence of optocoupler IC1 internal illumination pipe is very dark, and the phototriode of optocoupler IC1 inside can not conducting completely, the voltage that 3 pin export is very low, low-voltage through resistance R8 be released to ground, diode D11 conducting can not be made, now on electric capacity C4 institute's charging voltage through resistance R6 to triode Q2 base stage, emitter, to ground electric discharge, makes triode Q2 keep conducting; After the voltage filled as electric capacity C4 is discharged; triode Q2 ends; relay J 1 not adhesive; relay J 1-1 disconnects; the LN2 of notebook computer intelligent power line holds dead electricity, thus disconnects the 220V power supply of laptop adapter, reaches using electricity wisely; protection cells in notebook computer can not overcharge, protection battery.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (5)
1. an intelligent power line of notebook computer power, it is characterized in that: in intelligent power line of notebook computer power, be provided with input end (LN1) and output terminal (LN2), input end (LN1) is for connecting 220V civil power, output terminal (LN2) is for being connected to the 220V input plug of laptop adapter, intelligent power line of notebook computer power is provided with pushbutton switch (AN1), pushbutton switch (AN1) is connected with the first electric capacity (C1), first electric capacity (C1) is connected to the second electric capacity (C2) and voltage stabilizing diode (VD1) through commutation diode (D1 ~ D4), the 4th resistance (R4) through being cascaded of the positive terminal end of the second electric capacity (C2) and the 5th resistance (R5) are connected to the first triode (Q1) base stage, the emitter of the first triode (Q1) is connected with the 6th diode (D6), the collector of the first triode (Q1) is connected to the second triode (Q2) base stage through the 6th resistance (R6), the collector of the second triode (Q2) connects the first relay (J1) and the 5th electric capacity (C5) that are connected in parallel, first resistance (R1) of pushbutton switch (AN1) through being cascaded and the second resistance (R2) are connected to the positive terminal of the 7th diode (D7), described 7th diode (D7) and the 8th diode (D8), 9th diode (D9) and the tenth diode (D10) are connected into loop, 9th diode (D9) is connected to the positive terminal of optocoupler (IC1) through the 7th resistance (R7), 3 pin of optocoupler (IC1) are connected with the 8th resistance (R8), one end ground connection of the 8th resistance (R8), 3 pin of optocoupler (IC1) are connected to the 6th resistance (R6) through the 11 electric capacity (D11), described 5th resistance (R5) one end is connected with the 3rd electric capacity (C3), the positive terminal of described 3rd electric capacity (C3) is connected with the 5th resistance (R5), the minus earth of described 3rd electric capacity (C3), the two ends of described relay (J1-1) are connected with pushbutton switch (AN1) two ends,
Pushbutton switch (AN1) connects rear 220V voltage through the first electric capacity (C1) step-down, commutation diode (D1 ~ D4) rectification, second electric capacity (C2) filtering, 12V voltage is exported after voltage stabilizing diode (VD1) voltage stabilizing, + 12V voltage is except powering to the first relay (J1), 12V voltage charges to the 3rd electric capacity (C3) through the 4th resistance (R4) simultaneously, make the first triode (Q1) conducting through the 5th resistance (R5) simultaneously, the emitter of the first triode (Q1) is connected with the 6th diode (D6), 6th diode (D6) is connected to the second triode (Q2), after the first triode (Q1) conducting, first triode (Q1) emitter exports high level and makes the second triode (Q2) conducting through the 6th resistance (R6),
Relay (J1-1) adhesive, output terminal (LN2) exports 220V voltage, laptop adapter is made to obtain electric work, now artificially start notebook computer, make notebook computer start work, now will at the 7th diode (D7), 8th diode (D8), 9th diode (D9), tenth diode (D10) two ends will produce the voltage of 1.5-3V, the luminotron work making optocoupler (IC1) inner by the 4th resistance (R4) is luminous, 4 pin of optocoupler (IC1) are exported high level and are charged to the 4th electric capacity (C4) by the 11 diode (D11), make the second triode (Q2) keep conducting through the 6th resistance (R6) simultaneously, first relay (J1) keeps adhesive, output terminal (LN2) keeps 220V voltage, + 12V voltage is full of electricity to very soon the 3rd electric capacity (C3), first triode (Q1) base stage is in high level, first triode (Q1) ends, but now notebook computer normal boot-strap, optocoupler (IC1) is made to keep work, optocoupler (IC1) 3 pin still exports high level makes the second triode (Q2) keep conducting, after+12V closes, the 3rd electric capacity (C3) will by the 5th diode (D5), the 3rd resistance (R3) to ground electric discharge,
When after notebook computer normal shutdown, during as notebook computer internal cell underfill electricity, as needs charging, now power supply adapter for notebook computer is still obtaining electric work, charge to Notebook Battery, 7th diode (D7), the 8th diode (D8), the 9th diode (D9), the tenth diode (D10) two ends still have the voltage of 1.5-3V, make optocoupler (IC1) keep work;
After cells in notebook computer is full of electricity, the load reduction of power supply adapter for notebook computer, 7th diode (D7), 8th diode (D8), 9th diode (D9), the voltage at the tenth diode (D10) two ends reduces, the luminescence of optocoupler (IC1) internal illumination pipe is very dark, the inner phototriode of optocoupler (IC1) can not conducting completely, the voltage that optocoupler (IC1) 3 pin exports is very low, low-voltage is released to ground through the 8th resistance (R8), the 11 diode (D11) conducting can not be made, now on the 4th electric capacity (C4) institute's charging voltage through the 6th resistance (R6) to the second triode (Q2) base stage, emitter is to ground electric discharge, the second triode (Q2) is made to keep conducting, after the voltage filled when the 4th electric capacity (C4) is discharged, second triode (Q2) ends, first relay (J1) not adhesive, relay (J1-1) disconnects, output terminal (LN2) dead electricity, thus the 220V power supply disconnecting laptop adapter, reach using electricity wisely, protection cells in notebook computer can not overcharge, protection battery.
2. intelligent power line of notebook computer power according to claim 1, is characterized in that: the 3rd described resistance (R3) is release resistance.
3. intelligent power line of notebook computer power according to claim 1, is characterized in that: described the second resistance (R2) is current-limiting resistance.
4. intelligent power line of notebook computer power according to claim 1, is characterized in that: the 8th described resistance (R8) is dropping resistor.
5. intelligent power line of notebook computer power according to claim 1, is characterized in that: the 5th described diode (D5) is discharge diode.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105024442B (en) * | 2015-07-13 | 2018-09-18 | 苏州经贸职业技术学院 | A kind of battery charging circuit with charge protection |
| CN105790375B (en) * | 2016-04-25 | 2019-04-02 | 六安市同心畅能电子科技有限公司 | 5V power supply adaptor intelligent control 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 |
| CN109980733A (en) * | 2019-04-03 | 2019-07-05 | 六安市同心畅能电子科技有限公司 | Laptop electric power direct current output charging connection wire circuit |
| CN110011394A (en) * | 2019-04-09 | 2019-07-12 | 泰力（安徽）电器股份有限公司 | A kind of 12V battery charger intelligent power saving control circuit |
| CN114384843B (en) * | 2021-12-31 | 2024-03-29 | 厦门芯阳科技股份有限公司 | Circuit with wake-up and detection functions and electronic equipment |
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