CN103972960B - Intermittent high-pressure time controlled charger - Google Patents
Intermittent high-pressure time controlled charger Download PDFInfo
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- CN103972960B CN103972960B CN201410175424.1A CN201410175424A CN103972960B CN 103972960 B CN103972960 B CN 103972960B CN 201410175424 A CN201410175424 A CN 201410175424A CN 103972960 B CN103972960 B CN 103972960B
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Abstract
A kind of intermittent high-pressure time controlled charger, relates to charger technologies field, comprises control board JX1, IC chip U1, photoelectrical coupler U2, operational amplifier U3A, single-chip microcomputer U4 and three terminal regulator U6; Photoelectrical coupler U2, for isolating the high-low pressure of former secondary, ensures the isolation of output voltage and alternating current, guarantees use safety; The control of three terminal regulator U6 primary responsibility output-voltage loop; The control of operational amplifier U3A primary responsibility output current of charger ring and composition integrating circuit, for single-chip microcomputer U4 provides detection charging current; The present invention produces charge pulse currents by single-chip microcomputer and repairs battery, extending battery life, so have more versatility relative to common three-step charger, real pulse current charge pattern, reduce " polarization " phenomenon in charging process, increase battery charge acceptance, have strong repair function, devulcanization successful.
Description
Technical field
The present invention relates to charger technologies field, be specifically related to a kind of intermittent high-pressure time controlled charger.
Background technology
Charger is commonly referred to as a kind of equipment alternating current being converted to low-voltage DC, and charger is of many uses in every field, is particularly widely used in the common electrical equipment of mobile phone, camera, electric motor car etc. at sphere of life.Charger adopts power electronics semiconductor device, and be galvanic a kind of static ac dc converter device by voltage and the changeless convert alternating current of frequency, taking storage battery as the electricity consumption occasion of working power or stand-by power supply, charger is with a wide range of applications.
Charger has many types, as test and monitoring, electricity charger for Ni-Cd battery, nickel-metal hydride battery charger, charger for lithium ion battery, portable electric appts charger for lithium ion battery, lithium ionic battery protection circuit charger, electromobile battery charger, the Che Chong etc. of lead acid batteries charger, valve-control sealed lead acid battery.
The most frequently used is lead acid batteries charger at present, lead acid batteries charger uses the most extensive in electric motor car, current electric motor car uses lead acid accumulator mostly, the useful life of current electromobile battery is not long, main cause is that the charging interval is oversize, cause cell degradation, fail safe is not high.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of simple and practical, intermittent high-pressure time controlled charger easy to maintenance.
Technical problem to be solved by this invention realizes by the following technical solutions:
A kind of intermittent high-pressure time controlled charger, comprises control board JX1, IC chip U1, photoelectrical coupler U2, operational amplifier U3A, single-chip microcomputer U4 and three terminal regulator U6; Photoelectrical coupler U2, for isolating the high-low pressure of former secondary, ensures the isolation of output voltage and alternating current, guarantees use safety; The control of three terminal regulator U6 primary responsibility output-voltage loop; The control of operational amplifier U3A primary responsibility output current of charger ring and composition integrating circuit, for single-chip microcomputer U4 provides detection charging current;
1st pin of described control board JX1 is connected to the 6th pin of IC chip U1 through the 7th resistance R7, the 2nd pin of described control board JX1 is divided into two-way through the 16 resistance R16, and wherein a road is connected to the 3rd pin of IC chip U1, and another road is connected with the 3rd resistance R3; The 3rd pin ground connection of described control board JX1,4th pin of described control board JX1 connects 12V power supply, 8th pin of described control board JX1 connects 5V power supply, 9th pin of described control board JX1 is for connecting charging indicator light and blower fan, 10th pin of described control board JX1 is for connecting flashlight, 11st pin of described control board JX1 connects feedback voltage sample circuit, and the 12nd pin of described control board JX1 connects current sampling circuit;
1st pin of described IC chip U1 is connected to the 3rd pin of photoelectrical coupler U2, 1st pin of described IC chip U1 is also parallel with the tenth resistance R10 and the 8th electric capacity C8, 4th pin of described IC chip U1 is connected with the 6th electric capacity C6, 7th pin of described IC chip U1 is connected with the 3rd electric capacity C3, 8th pin of described IC chip U1 is connected with the second electric capacity C2, described tenth resistance R10 and the 8th electric capacity C8, 2nd pin of IC chip U1, 3rd resistance R3, 6th electric capacity C6, 5th pin of IC chip U1, the 4th pin of photoelectrical coupler U2 is connected to after second electric capacity C2 and the 3rd electric capacity C3 parallel connection,
4th pin of described IC chip U1 and be parallel with the 19 electric capacity C19 between the 6th electric capacity C6 and the 3rd resistance R3, is parallel with the first resistance R1 between described 6th electric capacity C6 and the second electric capacity C2;
1st pin of described photoelectrical coupler U2 is connected to 5V power supply through the 15 resistance R15,2nd pin of described photoelectrical coupler U2 is divided into two-way, one tunnel the 38 resistance R38 is connected to 5V power supply, another road is connected to operational amplifier U3A and three terminal regulator U6 respectively, and described operational amplifier U3A is connected to single-chip microcomputer U4;
3rd pin of described IC chip U1 is by all current limliting pin, and play the effect of the starting protection that to ease up by all current limlitings, described first resistance R1 and the 6th electric capacity C6 determines the operating frequency of whole charger, and described 7th resistance R7 is the gate resistance driving charger metal-oxide-semiconductor.
1st pin of described operational amplifier U3A connects the 2nd pin of photoelectrical coupler U2 and 1 pin of three terminal regulator U6 respectively through the tenth diode D10,3 pin of described three terminal regulator U6 connect feedback voltage sample circuit, between the 1st pin and the 3rd pin of described three terminal regulator U6, be parallel with the 29 resistance R29 and the 5th electric capacity C5 that are serially connected;
2nd pin of described operational amplifier U3A is connected to current sampling circuit through the 5th resistance R5,3rd pin of described operational amplifier U3A connects the positive pole of the 31 resistance R31 and the 14 diode D14 respectively through the 35 resistance R35, described 31 resistance R31 mono-termination 5V power supply, the negative pole of described 14 diode D14 connects the 7th pin of single-chip microcomputer U4,3rd pin of described operational amplifier U3A is also parallel with the 37 resistance R37, and the positive pole of described operational amplifier U3A is connected with the 11 electric capacity C11;
1st pin of described single-chip microcomputer U4 is connected to the 4th electric capacity C4, and the 2nd pin of described single-chip microcomputer U4 is connected to the 6th pin of the 26 resistance R26 and comparison amplifier U3B respectively through the 27 resistance R27, described 26 resistance R26 mono-termination 5V power supply; 7th pin of described comparison amplifier U3B connects the 4th pin of single-chip microcomputer U4, and single-chip microcomputer produces charge pulse currents and repairs battery, and extending battery life, has more versatility relative to common three-step charger;
5th pin of described comparison amplifier U3B connects current sampling circuit through the 41 resistance R41, is parallel with the 7th electric capacity C7 be serially connected and the 9th electric capacity C9 between the 5th pin of described comparison amplifier U3B and the 6th pin; The 6th foot control flashlight of described single-chip microcomputer U4, the 5th foot control charging indicator light and the blower fan of described single-chip microcomputer U4.
3rd pin of described IC chip U1 is by all current limliting pin, and play the effect of the starting protection that to ease up by all current limlitings, described first resistance R1 and the 6th electric capacity C6 determines the operating frequency of whole charger, and described 7th resistance R7 is the gate resistance driving charger metal-oxide-semiconductor.
The invention has the beneficial effects as follows:
1) adopting advanced microcomputer pulse technique, have the feature of better protection and prolongation battery, is the opening of all kinds of three-step charger and the highly sophisticated products of better update.
2) microcomputer chip controls, real pulse current charge pattern, adopts Programmed control, reduces " polarization " phenomenon in charging process, increases battery charge acceptance.
3) reduce battery dehydration in charging process, extend battery, extremely strong repair function, devulcanization successful.
4) charge power is large, and the charging interval is short, avoids charge less.
5) effectively control battery and fill the generation of bulging phenomenon, summer does not overcharge, and winter is charge less not.
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, a kind of intermittent high-pressure time controlled charger, comprises control board JX1, IC chip U1, photoelectrical coupler U2, operational amplifier U3A, single-chip microcomputer U4 and three terminal regulator U6; Photoelectrical coupler U2, for isolating the high-low pressure of former secondary, ensures the isolation of output voltage and alternating current, guarantees use safety; The control of three terminal regulator U6 primary responsibility output-voltage loop; The control of operational amplifier U3A primary responsibility output current of charger ring and composition integrating circuit, for single-chip microcomputer U4 provides detection charging current;
1st pin of described control board JX1 is connected to the 6th pin of IC chip U1 through the 7th resistance R7, the 2nd pin of described control board JX1 is divided into two-way through the 16 resistance R16, and wherein a road is connected to the 3rd pin of IC chip U1, and another road is connected with the 3rd resistance R3; The 3rd pin ground connection of described control board JX1,4th pin of described control board JX1 connects 12V power supply, 8th pin of described control board JX1 connects 5V power supply, 9th pin of described control board JX1 is for connecting charging indicator light and blower fan, 10th pin of described control board JX1 is for connecting flashlight, 11st pin of described control board JX1 connects feedback voltage sample circuit, and the 12nd pin of described control board JX1 connects current sampling circuit;
1st pin of described IC chip U1 is connected to the 3rd pin of photoelectrical coupler U2, 1st pin of described IC chip U1 is also parallel with the tenth resistance R10 and the 8th electric capacity C8, 4th pin of described IC chip U1 is connected with the 6th electric capacity C6, 7th pin of described IC chip U1 is connected with the 3rd electric capacity C3, 8th pin of described IC chip U1 is connected with the second electric capacity C2, described tenth resistance R10 and the 8th electric capacity C8, 2nd pin of IC chip U1, 3rd resistance R3, 6th electric capacity C6, 5th pin of IC chip U1, the 4th pin of photoelectrical coupler U2 is connected to after second electric capacity C2 and the 3rd electric capacity C3 parallel connection,
4th pin of described IC chip U1 and be parallel with the 19 electric capacity C19 between the 6th electric capacity C6 and the 3rd resistance R3, is parallel with the first resistance R1 between described 6th electric capacity C6 and the second electric capacity C2;
1st pin of described photoelectrical coupler U2 is connected to 5V power supply through the 15 resistance R15,2nd pin of described photoelectrical coupler U2 is divided into two-way, one tunnel the 38 resistance R38 is connected to 5V power supply, another road is connected to operational amplifier U3A and three terminal regulator U6 respectively, and described operational amplifier U3A is connected to single-chip microcomputer U4;
3rd pin of described IC chip U1 is by all current limliting pin, and play the effect of the starting protection that to ease up by all current limlitings, described first resistance R1 and the 6th electric capacity C6 determines the operating frequency of whole charger, and described 7th resistance R7 is the gate resistance driving charger metal-oxide-semiconductor.
1st pin of described operational amplifier U3A connects the 2nd pin of photoelectrical coupler U2 and 1 pin of three terminal regulator U6 respectively through the tenth diode D10,3 pin of described three terminal regulator U6 connect feedback voltage sample circuit, between the 1st pin and the 3rd pin of described three terminal regulator U6, be parallel with the 29 resistance R29 and the 5th electric capacity C5 that are serially connected;
2nd pin of described operational amplifier U3A is connected to current sampling circuit through the 5th resistance R5,3rd pin of described operational amplifier U3A connects the positive pole of the 31 resistance R31 and the 14 diode D14 respectively through the 35 resistance R35, described 31 resistance R31 mono-termination 5V power supply, the negative pole of described 14 diode D14 connects the 7th pin of single-chip microcomputer U4,3rd pin of described operational amplifier U3A is also parallel with the 37 resistance R37, and the positive pole of described operational amplifier U3A is connected with the 11 electric capacity C11;
1st pin of described single-chip microcomputer U4 is connected to the 4th electric capacity C4, and the 2nd pin of described single-chip microcomputer U4 is connected to the 6th pin of the 26 resistance R26 and comparison amplifier U3B respectively through the 27 resistance R27, described 26 resistance R26 mono-termination 5V power supply; 7th pin of described comparison amplifier U3B connects the 4th pin of single-chip microcomputer U4, and single-chip microcomputer produces charge pulse currents and repairs battery, and extending battery life, has more versatility relative to common three-step charger;
5th pin of described comparison amplifier U3B connects current sampling circuit through the 41 resistance R41, is parallel with the 7th electric capacity C7 be serially connected and the 9th electric capacity C9 between the 5th pin of described comparison amplifier U3B and the 6th pin; The 6th foot control flashlight of described single-chip microcomputer U4, the 5th foot control charging indicator light and the blower fan of described single-chip microcomputer U4.
3rd pin of described IC chip U1 is by all current limliting pin, and play the effect of the starting protection that to ease up by all current limlitings, described first resistance R1 and the 6th electric capacity C6 determines the operating frequency of whole charger, and described 7th resistance R7 is the gate resistance driving charger metal-oxide-semiconductor.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification 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 range is defined by appending claims and equivalent thereof.
Claims (1)
1. an intermittent high-pressure time controlled charger, comprises control board (JX1), IC chip (U1), photoelectrical coupler (U2), operational amplifier (U3A), single-chip microcomputer (U4) and three terminal regulator (U6); Photoelectrical coupler (U2), for isolating the high-low pressure of former secondary, ensures the isolation of output voltage and alternating current, guarantees use safety; The control of three terminal regulator (U6) primary responsibility output-voltage loop; The control of operational amplifier (U3A) primary responsibility output current of charger ring and composition integrating circuit, for single-chip microcomputer (U4) provides detection charging current;
1st pin of described control board (JX1) is connected to the 6th pin of IC chip (U1) through the 7th resistance (R7), 2nd pin of described control board (JX1) is divided into two-way through the 16 resistance (R16), wherein a road is connected to the 3rd pin of IC chip (U1), and another road is connected with one end of the 3rd resistance (R3); 3rd pin ground connection of described control board (JX1), 4th pin of described control board (JX1) connects 12V power supply, 8th pin of described control board (JX1) connects 5V power supply, 9th pin of described control board (JX1) is for connecting charging indicator light and blower fan, 10th pin of described control board (JX1) is for connecting flashlight, 11st pin of described control board (JX1) connects feedback voltage sample circuit, and the 12nd pin of described control board (JX1) connects current sampling circuit;
1st pin of described IC chip (U1) is connected to the 3rd pin of photoelectrical coupler (U2), 1st pin of described IC chip (U1) is also connected with one end of the tenth resistance (R10) and one end of the 8th electric capacity (C8), 4th pin of described IC chip (U1) is connected with one end of the 6th electric capacity (C6), 7th pin of described IC chip (U1) is connected with one end of the 3rd electric capacity (C3), 8th pin of described IC chip (U1) is connected with one end of the second electric capacity (C2), described tenth resistance (R10) other end and the 8th electric capacity (C8) other end, 2nd pin of IC chip (U1), 3rd resistance (R3) other end, 6th electric capacity (C6) other end, 5th pin of IC chip (U1), the 4th pin of photoelectrical coupler (U2) is connected to after second electric capacity (C2) other end and the 3rd electric capacity (C3) other end connect,
4th pin of described IC chip (U1) and be parallel with the 19 electric capacity (C19) between the 6th electric capacity (C6) and the 3rd resistance (R3), is parallel with the first resistance (R1) between described 6th electric capacity (C6) and the second electric capacity (C2);
1st pin of described photoelectrical coupler (U2) is connected to 5V power supply through the 15 resistance (R15), 2nd pin of described photoelectrical coupler (U2) is divided into two-way, one tunnel the 38 resistance (R38) is connected to 5V power supply, another road is connected to operational amplifier (U3A) and three terminal regulator (U6) respectively, and described operational amplifier (U3A) is connected to single-chip microcomputer (U4);
1st pin of described operational amplifier (U3A) connects the 2nd pin of photoelectrical coupler (U2) and 1 pin of three terminal regulator (U6) respectively through the tenth diode (D10), wherein the negative pole of the tenth diode (D10) connects the 1st pin of operational amplifier (U3A), and the positive pole of the tenth diode (D10) connects the 2nd pin of photoelectrical coupler (U2);
3 pin of described three terminal regulator (U6) connect feedback voltage sample circuit, are parallel with the 29 resistance (R29) and the 5th electric capacity (C5) that are serially connected between the 1st pin and the 3rd pin of described three terminal regulator (U6);
2nd pin of described operational amplifier (U3A) is connected to current sampling circuit through the 5th resistance (R5), 3rd pin of described operational amplifier (U3A) connects one end of the 31 resistance (R31) and the positive pole of the 14 diode (D14) respectively through the 35 resistance (R35), described 31 another termination 5V power supply of resistance (R31), the negative pole of described 14 diode (D14) connects the 7th pin of single-chip microcomputer (U4), 3rd pin of described operational amplifier (U3A) is also parallel with one end of the 37 resistance (R37), the positive pole of described operational amplifier (U3A) is connected with one end of the 11 electric capacity (C11), 11 electric capacity (C11) other end ground connection,
1st pin of described single-chip microcomputer (U4) is connected to one end of the 4th electric capacity (C4), 2nd pin of described single-chip microcomputer (U4) is connected to one end of the 26 resistance (R26) and the 6th pin of comparison amplifier (U3B) respectively through the 27 resistance (R27), a termination 5V power supply of described 26 resistance (R26); 7th pin of described comparison amplifier (U3B) connects the 4th pin of single-chip microcomputer (U4), and single-chip microcomputer (U4) produces charge pulse currents and repairs battery;
5th pin of described comparison amplifier (U3B) connects current sampling circuit through the 41 resistance (R41), is parallel with the 7th electric capacity (C7) and the 9th electric capacity (C9) that are serially connected between the 5th pin of described comparison amplifier (U3B) and the 6th pin; 6th foot control flashlight of described single-chip microcomputer (U4), the 5th foot control charging indicator light and blower fan of described single-chip microcomputer (U4);
3rd pin of described IC chip (U1) is by all current limliting pin; play the effect of the starting protection that to ease up by all current limlitings; described first resistance (R1) and the 6th electric capacity (C6) determine the operating frequency of whole charger, and described 7th resistance (R7) is the gate resistance driving charger metal-oxide-semiconductor.
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| CN201410175424.1A CN103972960B (en) | 2014-04-28 | 2014-04-28 | Intermittent high-pressure time controlled charger |
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| CN201410175424.1A CN103972960B (en) | 2014-04-28 | 2014-04-28 | Intermittent high-pressure time controlled charger |
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| CN103972960B true CN103972960B (en) | 2016-02-03 |
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| CN106817212A (en) * | 2016-12-15 | 2017-06-09 | 国网安徽省电力公司淮北供电公司 | A kind of device of short-distance and medium-distance high withstand voltage isolation communication |
| CN107807602B (en) * | 2017-09-25 | 2020-02-14 | 许继电源有限公司 | High-voltage charging device |
| CN108429310A (en) * | 2018-03-14 | 2018-08-21 | 合肥飞吉信息技术有限公司 | A kind of intelligent intermittent high-pressure time controlled charger and its control method |
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| CN200994071Y (en) * | 2006-12-31 | 2007-12-19 | 蒋海青 | Battery charger |
| CN101567519A (en) * | 2009-05-27 | 2009-10-28 | 北京国科世纪激光技术有限公司 | Large-current pulse LD laser driving power supply |
| CN101777675A (en) * | 2009-01-14 | 2010-07-14 | 常州麦科卡电动车辆科技有限公司 | Equalizing charge method and equalizing charger |
| CN201674260U (en) * | 2010-04-06 | 2010-12-15 | 江苏江禾高科电子有限公司 | Intelligent charger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4911430B2 (en) * | 2007-01-29 | 2012-04-04 | 日立工機株式会社 | Charger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200994071Y (en) * | 2006-12-31 | 2007-12-19 | 蒋海青 | Battery charger |
| CN101777675A (en) * | 2009-01-14 | 2010-07-14 | 常州麦科卡电动车辆科技有限公司 | Equalizing charge method and equalizing charger |
| CN101567519A (en) * | 2009-05-27 | 2009-10-28 | 北京国科世纪激光技术有限公司 | Large-current pulse LD laser driving power supply |
| CN201674260U (en) * | 2010-04-06 | 2010-12-15 | 江苏江禾高科电子有限公司 | Intelligent charger |
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