CN109066931A - Power supply adapter for notebook computer D/C voltage intelligent charge connecting line - Google Patents

Power supply adapter for notebook computer D/C voltage intelligent charge connecting line Download PDF

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Publication number
CN109066931A
CN109066931A CN201810966979.6A CN201810966979A CN109066931A CN 109066931 A CN109066931 A CN 109066931A CN 201810966979 A CN201810966979 A CN 201810966979A CN 109066931 A CN109066931 A CN 109066931A
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CN
China
Prior art keywords
resistance
diode
triode
anode
power supply
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Pending
Application number
CN201810966979.6A
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Chinese (zh)
Inventor
孟凡志
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Hefei Smart Management Co Ltd
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Hefei Smart Management Co Ltd
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Priority to CN201810966979.6A priority Critical patent/CN109066931A/en
Publication of CN109066931A publication Critical patent/CN109066931A/en
Pending legal-status Critical Current

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    • H02J7/027

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Abstract

The invention discloses a kind of power supply adapter for notebook computer D/C voltage intelligent charge connecting lines, charging connection wire including power supply adaptor, one end of the charging connection wire of the power supply adaptor is set as input terminal DC1, the other end is set as output end DC2, passes through the anti-overcharge circuit connection of intelligence between input terminal DC1 and output end DC2.Circuit design of the present invention is simple, content is reasonable, battery in notebook can be made to stop charging after battery is fully charged, reaching is overcharged battery in notebook not, to protect battery life in notebook, will not be overcharged and shorten the service life of battery.

Description

Power supply adapter for notebook computer D/C voltage intelligent charge connecting line
Technical field:
The present invention relates to laptop charging connection wire fields, and in particular to power supply adapter for notebook computer D/C voltage Intelligent charge connecting line.
Background technique:
Power source charges connecting line line mainly provides electricity to equipment and charges the battery, power supply adapter for notebook computer Working principle in simple terms: be exactly that the principle of unstable power utilization Switching Power Supply become notebook by conversion circuit The constant voltage DC electricity that computer needs, powers and is charged to laptop.
The charging connection wire of traditional power supply adapter for notebook computer charges to cells in notebook computer duration, in pen It when remembering that this computer is closed, cannot be automatically powered off in the state that battery is fully charged, battery is made in notebook to stop charging, this is just not Electric energy is only wasted, is also easy to cause battery in notebook to be overcharged, shortens battery.The present invention provides thus Power supply adapter for notebook computer D/C voltage intelligent charge connecting line.
Summary of the invention:
Technical problem to be solved by the present invention lies in providing, a kind of circuit structure is simple, futuramic laptop Power supply adaptor D/C voltage intelligent charge connecting line.
The following technical solution is employed for the technical problems to be solved by the invention to realize: power supply adapter for notebook computer D/C voltage intelligent charge connecting line, the charging connection wire including power supply adaptor, the charging connection wire of the power supply adaptor One end is set as input terminal DC1, and the other end is set as output end DC2, passes through intelligence between input terminal DC1 and output end DC2 Anti-overcharge circuit connection.
The anti-overcharge circuit of intelligence include input terminal DC1 anode and cathode, the anode of output end DC2 and cathode, after Electric appliance JI, relay switch J1-1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, capacitor C1, capacitor C2, diode D1, diode D2, diode D3, diode D4, diode D5, Triode Q1, triode Q2, triode Q3, triode Q4, Light-emitting diode LED 1.
1 end of anode of the input terminal DC1 be separately connected the anode of diode D2, one end of resistance R11, resistance R4 one End, one end of relay J1, the one end for being connected to through relay switch J1-1 resistance R10 and output end DC2 3 end of anode, 2 end of cathode of input terminal DC1 is separately connected resistance R1, the emitter of triode Q1 and is connected to output end DC2 through diode D1 4 end of cathode, the cathode of diode D2 is connected to the emitter of triode Q2, and the base stage of triode Q2 is separately connected resistance R11 With the collector for being connected to triode Q1 through resistance R3, the base stage and resistance R1 of triode Q1 are all connected to the anode of diode D1 On the connecting line at 4 end of cathode of output end DC2, triode Q2 is connected to the current collection of triode Q3 through resistance R2 and diode D4 On the connecting line of pole and capacitor C2, resistance R4 is connected respectively to the cathode of zener diode, one end of resistance R5, diode D3 Cathode, one end of resistance R6 and diode D5 anode, zener diode VD1 is grounded with resistance R5, the anode of diode D3 The base stage of triode Q3 is connected to through resistance R7, resistance R6 and capacitor C1 are all connected to the company of the anode and resistance R7 of diode D3 In wiring, capacitor C1 is grounded with capacitor C2, and the collector of triode Q3 is connected respectively to capacitor C2 and is connected to through resistance R8 The base stage of triode Q4, one end of resistance R9 are connected on the base stage connecting line of resistance R8 and triode Q4, and resistance R9's is another End ground connection, the collector of triode Q4 are connected to relay J1, and the emitter ground connection of triode Q4, Light-emitting diode LED 1 is just Pole connection is connect with resistance R10, and cathode is connected on the anode of diode D1 and the 4 foot connecting line of cathode of output end DC2.
The beneficial effects of the present invention are: circuit design of the present invention is simple, content is reasonable, pen can be made after battery is fully charged Remember that this interior battery stops charging, reaching is overcharged battery in notebook not, to protect battery life in notebook, no It can be overcharged and shorten the service life of battery.
Detailed description of the invention:
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is circuit structure diagram of the 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.
Embodiment 1
It please refers to shown in Fig. 1-2, power supply adapter for notebook computer D/C voltage intelligent charge connecting line, including power adaptation The charging connection wire of device, one end of the charging connection wire of the power supply adaptor are set as input terminal DC1, and the other end is set as defeated Outlet DC2 passes through the anti-overcharge circuit connection of intelligence between input terminal DC1 and output end DC2.
The anti-overcharge circuit of intelligence include input terminal DC1 anode and cathode, the anode of output end DC2 and cathode, after Electric appliance JI, relay switch J1-1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, capacitor C1, capacitor C2, diode D1, diode D2, diode D3, diode D4, diode D5, Triode Q1, triode Q2, triode Q3, triode Q4, Light-emitting diode LED 1.
1 end of anode of the input terminal DC1 be separately connected the anode of diode D2, one end of resistance R11, resistance R4 one End, one end of relay J1, the one end for being connected to through relay switch J1-1 resistance R10 and output end DC2 3 end of anode, 2 end of cathode of input terminal DC1 is separately connected resistance R1, the emitter of triode Q1 and is connected to output end DC2 through diode D1 4 end of cathode, the cathode of diode D2 is connected to the emitter of triode Q2, and the base stage of triode Q2 is separately connected resistance R11 With the collector for being connected to triode Q1 through resistance R3, the base stage and resistance R1 of triode Q1 are all connected to the anode of diode D1 On the connecting line at 4 end of cathode of output end DC2, triode Q2 is connected to the current collection of triode Q3 through resistance R2 and diode D4 On the connecting line of pole and capacitor C2, resistance R4 is connected respectively to the cathode of zener diode, one end of resistance R5, diode D3 Cathode, one end of resistance R6 and diode D5 anode, zener diode VD1 is grounded with resistance R5, the anode of diode D3 The base stage of triode Q3 is connected to through resistance R7, resistance R6 and capacitor C1 are all connected to the company of the anode and resistance R7 of diode D3 In wiring, capacitor C1 is grounded with capacitor C2, and the collector of triode Q3 is connected respectively to capacitor C2 and is connected to through resistance R8 The base stage of triode Q4, one end of resistance R9 are connected on the base stage connecting line of resistance R8 and triode Q4, and resistance R9's is another End ground connection, the collector of triode Q4 are connected to relay J1, and the emitter ground connection of triode Q4, Light-emitting diode LED 1 is just Pole connection is connect with resistance R10, and cathode is connected on the anode of diode D1 and the 4 foot connecting line of cathode of output end DC2.
Working principle: first on the attaching plug insertion 220V power supply of power supply adapter for notebook computer, then it is suitable in power supply The DC voltage output end anode and cathode of orchestration are connected to power supply adapter for notebook computer D/C voltage intelligent charge connecting line 1 end of input terminal and 2 ends on, 3 ends and 4 ends are connected in the power outlet of laptop, DC19V voltage is through 1 end at this time Cathode voltage is depressured by resistance R4, VD1 zener diode export 12V voltage by R6 resistance to C1 capacitor charging while, Make Q3 triode ON through R7 resistance, emitter output high level makes Q3 triode ON after R8 and R9 electric resistance partial pressure, J1 after Electric appliance work once electrified, J1-1 are attracted, and so that 3 ends and 4 ends export 19V voltage and are given laptop power supply, while to laptop Internal battery powers while laptop works normally battery charging, generate about 0.7V electricity in the positive pole pipe of D1 diode Pressure makes Q1 triode ON, and current collection extremely low level makes Q2 triode ON, and collector, which exports high level, makes D4 bis- through R2 resistance Q3 collector is also given to power while after grade pipe conducting to C2 capacitor charging, within a certain period of time, after C1 capacitor is fully charged, Q3 Triode cut-off, but so that D4 diode is also on state because Q2 triode is also on state at this time, make Q4 triode It is held on, J1 relay keeps work, is that laptop power supply works normally, after notebook normal shutdown, is taking down notes In this under battery underfill electricity condition, the voltage of about 0.7V is also had in diode D1 and the both ends resistance R1, protects Q1 triode Conducting is held, Q2 triode is held on, and is held on Q4 triode, and J1 relay keeps attracting state, electric in notebook After pond is fully charged, smaller in the electric current that D1 diode and the both ends resistance R1 generate, pressure drop is also small, cannot make Q1 triode ON, The cut-off of Q1 triode, the cut-off of Q2 triode are charged on C2 at this time to press through resistance R8 and R9 to the base stage of triode Q to emitter Electric discharge, tends to remain on Q4 triode, and when after a certain time, capacitor C2 is discharged, Q4 triode ends, J1 relay Device does not work, and the contact J1-1 disconnects, and battery in notebook is made to stop charging.
When reusing, 1 end and 2 ends of input terminal DC1 need to be only disconnected, is connected to D/C voltage after disconnection.When After disconnecting 1 end and 2 ends, capacitor C1 will be put a little by resistance R5.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (3)

1. power supply adapter for notebook computer D/C voltage intelligent charge connecting line, it is characterised in that: filling including power supply adaptor Electric connection line, one end of the charging connection wire of the power supply adaptor are set as input terminal DC1, and the other end is set as output end DC2 passes through the anti-overcharge circuit connection of intelligence between input terminal DC1 and output end DC2.
2. a kind of power supply adapter for notebook computer D/C voltage intelligent charge connecting line according to claim 1, feature Be: the anti-overcharge circuit of intelligence includes the anode and cathode, the anode of output end DC2 and cathode, relay of input terminal DC1 JI, relay switch J1-1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, electricity Hinder R9, resistance R10, capacitor C1, capacitor C2, diode D1, diode D2, diode D3, diode D4, diode D5, three poles Pipe Q1, triode Q2, triode Q3, triode Q4, Light-emitting diode LED 1.
3. a kind of power supply adapter for notebook computer D/C voltage intelligent charge connecting line according to claim 2, feature Be: 1 end of anode of the input terminal DC1 be separately connected the anode of diode D2, one end of resistance R11, resistance R4 one end, One end of relay J1, one end that resistance R10 is connected to through relay switch J1-1 and output end DC2 3 end of anode, input 2 end of cathode of end DC1 is separately connected resistance R1, the emitter of triode Q1 and is connected to the negative of output end DC2 through diode D1 4 end of pole, the cathode of diode D2 are connected to the emitter of triode Q2, and the base stage of triode Q2 is separately connected resistance R11 and warp Resistance R3 is connected to the collector of triode Q1, base stage and the resistance R1 of triode Q1 be all connected to the anode of diode D1 with it is defeated On the connecting line at 4 end of cathode of outlet DC2, triode Q2 through resistance R2 and diode D4 be connected to the collector of triode Q3 with On the connecting line of capacitor C2, resistance R4 be connected respectively to the cathode of zener diode, one end of resistance R5, diode D3 it is negative The anode of pole, one end of resistance R6 and diode D5, zener diode VD1 are grounded with resistance R5, the anode warp of diode D3 Resistance R7 is connected to the base stage of triode Q3, and resistance R6 and capacitor C1 are all connected to the connection of the anode and resistance R7 of diode D3 On line, capacitor C1 is grounded with capacitor C2, and the collector of triode Q3 is connected respectively to capacitor C2 and is connected to three through resistance R8 The base stage of pole pipe Q4, one end of resistance R9 are connected on the base stage connecting line of resistance R8 and triode Q4, the other end of resistance R9 Ground connection, the collector of triode Q4 are connected to relay J1, the emitter ground connection of triode Q4, the anode of Light-emitting diode LED 1 Connection is connect with resistance R10, and cathode is connected on the anode of diode D1 and the 4 foot connecting line of cathode of output end DC2.
CN201810966979.6A 2018-08-23 2018-08-23 Power supply adapter for notebook computer D/C voltage intelligent charge connecting line Pending CN109066931A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810966979.6A CN109066931A (en) 2018-08-23 2018-08-23 Power supply adapter for notebook computer D/C voltage intelligent charge connecting line

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Application Number Priority Date Filing Date Title
CN201810966979.6A CN109066931A (en) 2018-08-23 2018-08-23 Power supply adapter for notebook computer D/C voltage intelligent charge connecting line

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Publication Number Publication Date
CN109066931A true CN109066931A (en) 2018-12-21

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CN202975963U (en) * 2012-12-12 2013-06-05 刘举柱 Power adapter intelligent control circuit of laptop
CN103986040A (en) * 2014-05-27 2014-08-13 上海电力学院 Automatic power-off type USB charging connecting wire and application thereof
CN104078807A (en) * 2014-06-10 2014-10-01 深圳市嘉夆科技有限公司 Data line with automatic power off function and power off control method thereof
CN204316319U (en) * 2014-12-18 2015-05-06 丹阳奇烨科技有限公司 Vehicle-mounted power adapter
CN105790375A (en) * 2016-04-25 2016-07-20 六安市同心畅能电子科技有限公司 5V power supply adapter intelligent control circuit
CN205407356U (en) * 2016-03-10 2016-07-27 山东鑫能高科节能技术有限公司 Battery intelligent charging circuit
US20160231800A1 (en) * 2015-02-09 2016-08-11 Fernando Miguel Flores PROTechHN - Battery Monitor
CN205882770U (en) * 2016-07-25 2017-01-11 协讯电子(吉安)有限公司 But data line of auto -power -off
CN207265328U (en) * 2017-06-23 2018-04-20 东莞市瀛通电线有限公司 A kind of data cable with automatic circuit break function

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100284206A1 (en) * 2009-05-06 2010-11-11 Hon Hai Precision Industry Co., Ltd. Power adapter and power supply method thereof
CN201601516U (en) * 2010-01-26 2010-10-06 徐正雄 Nickel-metal hydride battery charger for fishnet light
CN202042678U (en) * 2010-09-28 2011-11-16 吴庆伟 Automatic power-off power line
CN201975841U (en) * 2011-04-02 2011-09-14 刘举柱 Multifunctional intelligent charger
CN202795221U (en) * 2012-09-14 2013-03-13 刘举柱 Intelligent power line for notebook computer power supply
CN202840646U (en) * 2012-09-25 2013-03-27 刘举柱 Intelligent power line of notebook computer power supply
CN102999143A (en) * 2012-12-12 2013-03-27 刘举柱 Intelligent control circuit of power adapter of notebook computer
CN202975963U (en) * 2012-12-12 2013-06-05 刘举柱 Power adapter intelligent control circuit of laptop
CN103986040A (en) * 2014-05-27 2014-08-13 上海电力学院 Automatic power-off type USB charging connecting wire and application thereof
CN104078807A (en) * 2014-06-10 2014-10-01 深圳市嘉夆科技有限公司 Data line with automatic power off function and power off control method thereof
CN204316319U (en) * 2014-12-18 2015-05-06 丹阳奇烨科技有限公司 Vehicle-mounted power adapter
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CN205407356U (en) * 2016-03-10 2016-07-27 山东鑫能高科节能技术有限公司 Battery intelligent charging circuit
CN105790375A (en) * 2016-04-25 2016-07-20 六安市同心畅能电子科技有限公司 5V power supply adapter intelligent control circuit
CN205882770U (en) * 2016-07-25 2017-01-11 协讯电子(吉安)有限公司 But data line of auto -power -off
CN207265328U (en) * 2017-06-23 2018-04-20 东莞市瀛通电线有限公司 A kind of data cable with automatic circuit break function

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Application publication date: 20181221