CN105098942A - Intelligent charging circuit for mobile power supply - Google Patents
Intelligent charging circuit for mobile power supply Download PDFInfo
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- CN105098942A CN105098942A CN201510609972.5A CN201510609972A CN105098942A CN 105098942 A CN105098942 A CN 105098942A CN 201510609972 A CN201510609972 A CN 201510609972A CN 105098942 A CN105098942 A CN 105098942A
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Abstract
The invention discloses an intelligent charging circuit for a mobile power supply. The intelligent charging circuit comprises a transformer T, a rectifier bridge Q, a light-emitting diode (LED) 1, an LED 2, a capacitor C1, a triode VT1, a storage battery pack E and a relay J, wherein one end of a primary coil of the transformer T is respectively connected with one end of 220V alternating current and an anode of a diode D4; a cathode of the diode D4 is connected with the cathode of a grounding diode D5; the other end of the primary coil of the transformer T is connected with the other end of the 220V alternating current; and two ends of a secondary coil of the transformer T are respectively connected with a pin 1 of the rectifier bridge Q and a pin 3 of the rectifier bridge Q. The circuit of the intelligent charging circuit for the mobile power supply is simple, but has the functions of constant-current charging, charging current adjusting, heavy-current fast charging, automatic shifting into trickle charging after filling fully; and the diode D4 and the diode D5 are added, so that the peak voltage of the coil of the transformer T caused by leakage inductance can be clamped into a safety value; the safety of the circuit is improved; and the intelligent charging circuit is small in size, low in cost and suitable for popularization and application.
Description
Technical field
The present invention relates to a kind of portable power source, specifically a kind of portable power source aptitude chargeable circuit.
Background technology
Along with improving constantly of people's living standard; electronic equipment has become a requisite part in life; especially the mobile device such as mobile phone, panel computer; but the shortcoming of this class of electronic devices ubiquity battery durable ability; the appearance of portable power source well solves this problem; but the portable power source ubiquity complex structure that market occurs, function singleness, the defect that security performance is low, often can produce the news that portable power source explodes in charging process.
Summary of the invention
The object of the present invention is to provide that a kind of volume is little, the simple portable power source aptitude chargeable circuit of circuit structure, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of portable power source aptitude chargeable circuit, comprises transformer T, rectifier bridge Q, LED1, LED2, electric capacity C1, triode VT1, batteries E and relay J, described transformer T primary coil one end connects 220V alternating current one end and diode D4 positive pole respectively, diode D4 negative pole connects ground connection diode D5 negative pole, the described transformer T primary coil other end connects the 220V alternating current other end, transformer T secondary coil two ends connect rectifier bridge Q pin 1 respectively and rectifier bridge Q pin 3, rectifier bridge Q pin 2 connects electric capacity C1 respectively, diode D1 positive pole and relay J contact switch J-1 pin 1, rectifier bridge Q pin 4 connect the electric capacity C1 other end respectively, resistance R1, resistance R3, resistance R4 and resistance R5, described relay J contact switch J-1 pin 2 connects LED1 positive pole, and LED1 negative pole connects LED2 negative pole and the resistance R1 other end respectively, and LED2 positive pole connects relay J contact switch J-1 pin 3 respectively, potentiometer RP1 and potentiometer RP1 slide plate, the potentiometer RP1 other end is the contact resistance R3 other end and triode VT1 base stage respectively, triode VT1 emitter connecting triode VT3 base stage, the triode VT3 emitter contact resistance R4 other end, triode VT3 collector electrode is connecting triode VT1 collector electrode respectively, electric capacity C1, relay J contact switch J-2, batteries E negative pole, resistance R2, electric capacity C2 and triode VT2 emitter, the relay J contact switch J-2 other end contact resistance R5 other end, described triode VT2 base stage connects the electric capacity C2 other end respectively, resistance R6 and the resistance R2 other end, the resistance R6 other end connects diode D2 negative pole respectively, relay J coil and diode D3 negative pole, diode D2 positive pole connects diode D6 negative pole and batteries E positive pole respectively, and diode D6 positive pole connects the electric capacity C3 other end and diode D1 negative pole respectively.
As the further scheme of the present invention: described LED1 is green light LED.
As the further scheme of the present invention: described LED2 is red-light LED.
As the present invention's further scheme: described batteries E capacity is 20000mAh.
Compared with prior art, the invention has the beneficial effects as follows: although the circuit of portable power source aptitude chargeable circuit of the present invention is simple, but have constant current charge, charging current adjustable, can big current quick charge, be full of and automatically proceed to the functions such as trickle charge, and add diode D4 and diode D5, the peak voltage clamper that transformer T coil can be produced because of leakage inductance is to safety value, improve the fail safe of circuit, volume is little, cost is low, be applicable to promoting the use of.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of portable power source aptitude chargeable circuit.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, in the embodiment of the present invention, a kind of portable power source aptitude chargeable circuit, comprises transformer T, rectifier bridge Q, LED1, LED2, electric capacity C1, triode VT1, batteries E and relay J, transformer T primary coil one end connects 220V alternating current one end and diode D4 positive pole respectively, diode D4 negative pole connects ground connection diode D5 negative pole, the transformer T primary coil other end connects the 220V alternating current other end, transformer T secondary coil two ends connect rectifier bridge Q pin 1 respectively and rectifier bridge Q pin 3, rectifier bridge Q pin 2 connects electric capacity C1 respectively, diode D1 positive pole and relay J contact switch J-1 pin 1, rectifier bridge Q pin 4 connect the electric capacity C1 other end respectively, resistance R1, resistance R3, resistance R4 and resistance R5, relay J contact switch J-1 pin 2 connects LED1 positive pole, and LED1 negative pole connects LED2 negative pole and the resistance R1 other end respectively, and LED2 positive pole connects relay J contact switch J-1 pin 3 respectively, potentiometer RP1 and potentiometer RP1 slide plate, the potentiometer RP1 other end is the contact resistance R3 other end and triode VT1 base stage respectively, triode VT1 emitter connecting triode VT3 base stage, the triode VT3 emitter contact resistance R4 other end, triode VT3 collector electrode is connecting triode VT1 collector electrode respectively, electric capacity C1, relay J contact switch J-2, batteries E negative pole, resistance R2, electric capacity C2 and triode VT2 emitter, the relay J contact switch J-2 other end contact resistance R5 other end, triode VT2 base stage connects the electric capacity C2 other end respectively, resistance R6 and the resistance R2 other end, the resistance R6 other end connects diode D2 negative pole respectively, relay J coil and diode D3 negative pole, diode D2 positive pole connects diode D6 negative pole and batteries E positive pole respectively, and diode D6 positive pole connects the electric capacity C3 other end and diode D1 negative pole respectively.
LED1 is green light LED.
LED2 is red-light LED.
Batteries E capacity is 20000mAh.
Operation principle of the present invention is: refer to Fig. 1, after switching on power in charging process, be red LED bright, potentiometer RP1, resistance R2, resistance R3, resistance R4 and triode VT1 forms tabilized current power supply, regulator potentiometer RP1 can make charging current from 0 ~ 1A continuously adjustabe, resistance R6, resistance R2, resistance R7, electric capacity C2, triode VT2 and relay J composition voltage detecting circuit, in charging process when cell voltage raise gradually reach set point time, triode VT2 saturation conduction, relay J obtains electric adhesive, contact switch J-1 dislocation, triode VT1 is made to lose bias voltage and end, green LED 1 is lighted, instruction is full of electricity, contact switch J-2 also dislocation simultaneously, resistance R5 is access in charge circuit carries out about about 100mA trickle charge to batteries E, change the size of resistance with regard to adjustable trickle current of resistance R5, add diode D4 and diode D5 in addition, the peak voltage clamper that transformer T coil can be produced because of leakage inductance is to safety value, improve the fail safe of circuit.
Claims (4)
1. a portable power source aptitude chargeable circuit, comprises transformer T, rectifier bridge Q, LED1, LED2, electric capacity C1, triode VT1, batteries E and relay J, it is characterized in that, described transformer T primary coil one end connects 220V alternating current one end and diode D4 positive pole respectively, diode D4 negative pole connects ground connection diode D5 negative pole, the described transformer T primary coil other end connects the 220V alternating current other end, transformer T secondary coil two ends connect rectifier bridge Q pin 1 respectively and rectifier bridge Q pin 3, rectifier bridge Q pin 2 connects electric capacity C1 respectively, diode D1 positive pole and relay J contact switch J-1 pin 1, rectifier bridge Q pin 4 connect the electric capacity C1 other end respectively, resistance R1, resistance R3, resistance R4 and resistance R5, described relay J contact switch J-1 pin 2 connects LED1 positive pole, and LED1 negative pole connects LED2 negative pole and the resistance R1 other end respectively, and LED2 positive pole connects relay J contact switch J-1 pin 3 respectively, potentiometer RP1 and potentiometer RP1 slide plate, the potentiometer RP1 other end is the contact resistance R3 other end and triode VT1 base stage respectively, triode VT1 emitter connecting triode VT3 base stage, the triode VT3 emitter contact resistance R4 other end, triode VT3 collector electrode is connecting triode VT1 collector electrode respectively, electric capacity C1, relay J contact switch J-2, batteries E negative pole, resistance R2, electric capacity C2 and triode VT2 emitter, the relay J contact switch J-2 other end contact resistance R5 other end, described triode VT2 base stage connects the electric capacity C2 other end respectively, resistance R6 and the resistance R2 other end, the resistance R6 other end connects diode D2 negative pole respectively, relay J coil and diode D3 negative pole, diode D2 positive pole connects diode D6 negative pole and batteries E positive pole respectively, and diode D6 positive pole connects the electric capacity C3 other end and diode D1 negative pole respectively.
2. portable power source aptitude chargeable circuit according to claim 1, is characterized in that, described LED1 is green light LED.
3. portable power source aptitude chargeable circuit according to claim 1, is characterized in that, described LED2 is red-light LED.
4. portable power source aptitude chargeable circuit according to claim 1, is characterized in that, described batteries E capacity is 20000mAh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510609972.5A CN105098942A (en) | 2015-09-23 | 2015-09-23 | Intelligent charging circuit for mobile power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510609972.5A CN105098942A (en) | 2015-09-23 | 2015-09-23 | Intelligent charging circuit for mobile power supply |
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| Publication Number | Publication Date |
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| CN105098942A true CN105098942A (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510609972.5A Pending CN105098942A (en) | 2015-09-23 | 2015-09-23 | Intelligent charging circuit for mobile power supply |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106080238A (en) * | 2016-06-29 | 2016-11-09 | 国网山东省电力公司济南市历城区供电公司 | A kind of Intelligent charging system of electric automobile |
| CN107147312A (en) * | 2017-04-13 | 2017-09-08 | 成都卡诺源科技有限公司 | A kind of DC-stabilized circuit of high current output |
-
2015
- 2015-09-23 CN CN201510609972.5A patent/CN105098942A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106080238A (en) * | 2016-06-29 | 2016-11-09 | 国网山东省电力公司济南市历城区供电公司 | A kind of Intelligent charging system of electric automobile |
| CN106080238B (en) * | 2016-06-29 | 2019-02-19 | 国网山东省电力公司济南市历城区供电公司 | A kind of Intelligent charging system of electric automobile |
| CN107147312A (en) * | 2017-04-13 | 2017-09-08 | 成都卡诺源科技有限公司 | A kind of DC-stabilized circuit of high current output |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151125 |
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| WD01 | Invention patent application deemed withdrawn after publication |