CN203967776U - A kind of electric car charger that adopts pulse current charge pattern - Google Patents
A kind of electric car charger that adopts pulse current charge pattern Download PDFInfo
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- CN203967776U CN203967776U CN201420212511.5U CN201420212511U CN203967776U CN 203967776 U CN203967776 U CN 203967776U CN 201420212511 U CN201420212511 U CN 201420212511U CN 203967776 U CN203967776 U CN 203967776U
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- pin
- resistance
- chip microcomputer
- operational amplifier
- charger
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
Adopt an electric car charger for pulse current charge pattern, relate to charger technical field, comprise 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 to use safety; Three terminal regulator U6 is mainly responsible for the control of output-voltage loop; Operational amplifier U3A is mainly responsible for control and the composition integrating circuit of output current of charger ring, for single-chip microcomputer U4 provides detection charging current; The utility model produces charge pulse currents by single-chip microcomputer battery is repaired, extending battery life, so have more versatility with respect 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 utility model relates to charger technical field, is specifically related to a kind of electric car charger that adopts pulse current charge pattern.
Background technology
Charger is commonly referred to as a kind of equipment that alternating current is 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 is to adopt power electronics semiconductor device, and voltage and the changeless alternating current of frequency are transformed to galvanic a kind of static ac dc converter device, and taking storage battery as working power or the electricity consumption occasion of stand-by power supply, charger is with a wide range of applications.
Charger has many types, as the test of lead acid batteries charger, valve-control sealed lead acid battery 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, Che Chong etc.
At present the most frequently used is lead acid batteries charger, 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 electromobile battery is not long at present, main cause is that the charging interval is oversize, cause cell degradation, fail safe is not high.
Utility model content
It is a kind of simple and practical that technical problem to be solved in the utility model is to provide, the electric car charger of employing pulse current charge pattern easy to maintenance.
Technical problem to be solved in the utility model realizes by the following technical solutions:
Adopt an electric car charger for pulse current charge pattern, comprise 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 to use safety; Three terminal regulator U6 is mainly responsible for the control of output-voltage loop; Operational amplifier U3A is mainly responsible for control and the composition integrating circuit of output current of charger ring, for single-chip microcomputer U4 provides detection charging current;
The 3rd pin of described control board JX1 is connected to the 4th pin of photoelectrical coupler U2 through the 16 resistance R 16 and the 3rd resistance R 3, the 1st pin of described control board JX1 is connected to the 6th pin of IC chip U1 through the 7th resistance R 7, the 2nd pin of described photoelectrical coupler U2 is connected to the 1st pin of operational amplifier U3A through the tenth diode D10, the positive pole of described the tenth diode D10 is connected to 1 pin of three terminal regulator U6, 3 pin of described three terminal regulator U6 connect feedback voltage sample circuit, between the 1st pin of described three terminal regulator U6 and the 3rd pin, be parallel with the 29 resistance R 29 and the 5th capacitor C 5 that are serially connected,
The 2nd pin of described operational amplifier U3A is connected to current sampling circuit through the 5th resistance R 5, the 3rd pin of described operational amplifier U3A connects respectively the positive pole of the 31 resistance R 31 and the 14 diode D14 through the 35 resistance R 35, described the 31 resistance R 31 1 termination 5V power supplys, the negative pole of described the 14 diode D14 connects the 7th pin of single-chip microcomputer U4, on the 3rd pin of described operational amplifier U3A, be also parallel with the 37 resistance R 37, the positive pole of described operational amplifier U3A is connected with the 11 capacitor C 11;
On the 1st pin of described single-chip microcomputer U4, be connected to the 4th capacitor C 4, the 2nd pin of described single-chip microcomputer U4 is connected to respectively the 6th pin of the 26 resistance R 26 and comparison amplifier U3B through the 27 resistance R 27, described the 26 resistance R 26 1 termination 5V power supplys; The 7th pin of described comparison amplifier U3B connects the 4th pin of single-chip microcomputer U4, and single-chip microcomputer produces charge pulse currents battery is repaired, and extending battery life, has more versatility with respect to common three-step charger;
The 5th pin of described comparison amplifier U3B connects current sampling circuit through the 41 resistance R 41, is parallel with the 7th capacitor C 7 and the 9th capacitor C 9 that are serially connected between the 5th pin of described comparison amplifier U3B and the 6th pin; The 6th foot control flashlight processed of described single-chip microcomputer U4, the 5th foot control charging indicator light processed and the blower fan of described single-chip microcomputer U4.
The 2nd pin of described control board JX1 is divided into two-way through the 16 resistance R 16, and wherein a road is connected to the 3rd pin of IC chip U1, and another road is connected with the 3rd resistance R 3; The 3rd pin ground connection of described control board JX1, the 4th pin of described control board JX1 connects 12V power supply, the 8th pin of described control board JX1 connects 5V power supply, the 9th pin of described control board JX1 is used for connecting charging indicator light and blower fan, the 10th pin of described control board JX1 is used for connecting flashlight, the 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;
The 1st pin of described IC chip U1 is connected to the 3rd pin of photoelectrical coupler U2, on the 1st pin of described IC chip U1, be also parallel with the tenth resistance R 10 and the 8th capacitor C 8, the 4th pin of described IC chip U1 is connected with the 6th capacitor C 6, the 7th pin of described IC chip U1 is connected with the 3rd capacitor C 3, the 8th pin of described IC chip U1 is connected with the second capacitor C 2, described the tenth resistance R 10 and the 8th capacitor C 8, the 2nd pin of IC chip U1, the 3rd resistance R 3, the 6th capacitor C 6, the 5th pin of IC chip U1, after the second capacitor C 2 and the 3rd capacitor C 3 parallel connections, be connected to the 4th pin of photoelectrical coupler U2,
Between the 4th pin of described IC chip U1 and the 16 resistance R 16 and the 3rd resistance R 3, be parallel with the 19 capacitor C 19, between described the 6th capacitor C 6 and the second capacitor C 2, be parallel with the first resistance R 1;
The 1st pin of described photoelectrical coupler U2 is connected to 5V power supply through the 15 resistance R 15, the 2nd pin of described photoelectrical coupler U2 is divided into two-way, one tunnel the 38 resistance R 38 is connected to 5V power supply, another road is connected to respectively operational amplifier U3A and three terminal regulator U6, and described operational amplifier U3A is connected to single-chip microcomputer U4;
The 3rd pin of described IC chip U1 is by all current limliting pin, plays the effect by the gentle starting protection of all current limlitings, and described the first resistance R 1 and the 6th capacitor C 6 determine the operating frequency of whole charger, and described the 7th resistance R 7 is for driving the gate resistance of charger metal-oxide-semiconductor.
The beneficial effects of the utility model are: the present invention produces charge pulse currents by single-chip microcomputer battery is repaired, extending battery life, so have more versatility with respect 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.
Brief description of the drawings
Fig. 1 is the utility model circuit theory diagrams.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, a kind of electric car charger of adopting pulse current charge pattern, 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 to use safety; Three terminal regulator U6 is mainly responsible for the control of output-voltage loop; Operational amplifier U3A is mainly responsible for control and the composition integrating circuit of output current of charger ring, for single-chip microcomputer U4 provides detection charging current;
The 3rd pin of described control board JX1 is connected to the 4th pin of photoelectrical coupler U2 through the 16 resistance R 16 and the 3rd resistance R 3, the 1st pin of described control board JX1 is connected to the 6th pin of IC chip U1 through the 7th resistance R 7, the 2nd pin of described photoelectrical coupler U2 is connected to the 1st pin of operational amplifier U3A through the tenth diode D10, the positive pole of described the tenth diode D10 is connected to 1 pin of three terminal regulator U6, 3 pin of described three terminal regulator U6 connect feedback voltage sample circuit, between the 1st pin of described three terminal regulator U6 and the 3rd pin, be parallel with the 29 resistance R 29 and the 5th capacitor C 5 that are serially connected,
The 2nd pin of described operational amplifier U3A is connected to current sampling circuit through the 5th resistance R 5, the 3rd pin of described operational amplifier U3A connects respectively the positive pole of the 31 resistance R 31 and the 14 diode D14 through the 35 resistance R 35, described the 31 resistance R 31 1 termination 5V power supplys, the negative pole of described the 14 diode D14 connects the 7th pin of single-chip microcomputer U4, on the 3rd pin of described operational amplifier U3A, be also parallel with the 37 resistance R 37, the positive pole of described operational amplifier U3A is connected with the 11 capacitor C 11;
On the 1st pin of described single-chip microcomputer U4, be connected to the 4th capacitor C 4, the 2nd pin of described single-chip microcomputer U4 is connected to respectively the 6th pin of the 26 resistance R 26 and comparison amplifier U3B through the 27 resistance R 27, described the 26 resistance R 26 1 termination 5V power supplys; The 7th pin of described comparison amplifier U3B connects the 4th pin of single-chip microcomputer U4, and single-chip microcomputer produces charge pulse currents battery is repaired, and extending battery life, has more versatility with respect to common three-step charger;
The 5th pin of described comparison amplifier U3B connects current sampling circuit through the 41 resistance R 41, is parallel with the 7th capacitor C 7 and the 9th capacitor C 9 that are serially connected between the 5th pin of described comparison amplifier U3B and the 6th pin; The 6th foot control flashlight processed of described single-chip microcomputer U4, the 5th foot control charging indicator light processed and the blower fan of described single-chip microcomputer U4.
More than show and described general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (1)
1. adopt an electric car charger for pulse current charge pattern, comprise control board (JX1), IC chip (U1), photoelectrical coupler (U2), operational amplifier (U3A) and single-chip microcomputer (U4); It is characterized in that:
The 3rd pin of described control board (JX1) is connected to the 4th pin of photoelectrical coupler (U2) through the 16 resistance (R16) and the 3rd resistance (R3), the 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 photoelectrical coupler (U2) is connected to the 1st pin of operational amplifier (U3A) through the tenth diode (D10), the 2nd pin of described operational amplifier (U3A) is connected to current sampling circuit through the 5th resistance (R5), the 3rd pin of described operational amplifier (U3A) connects respectively the positive pole of the 31 resistance (R31) and the 14 diode (D14) through the 35 resistance (R35), described the 31 resistance (R31) termination 5V power supply, the negative pole of described the 14 diode (D14) connects the 7th pin of single-chip microcomputer (U4),
On the 3rd pin of described operational amplifier (U3A), be also parallel with the 37 resistance (R37), the positive pole of described operational amplifier (U3A) is connected with the 11 electric capacity (C11);
On the 1st pin of described single-chip microcomputer (U4), be connected to the 4th electric capacity (C4), the 2nd pin of described single-chip microcomputer (U4) is connected to respectively the 6th pin of the 26 resistance (R26) and comparison amplifier (U3B) through the 27 resistance (R27), described the 26 resistance (R26) termination 5V power supply; The 7th pin of described comparison amplifier (U3B) connects the 4th pin of single-chip microcomputer (U4), and single-chip microcomputer produces charge pulse currents battery is repaired;
The 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; The 6th foot control flashlight processed of described single-chip microcomputer (U4), the 5th foot control charging indicator light processed and the blower fan of described single-chip microcomputer (U4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420212511.5U CN203967776U (en) | 2014-04-28 | 2014-04-28 | A kind of electric car charger that adopts pulse current charge pattern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420212511.5U CN203967776U (en) | 2014-04-28 | 2014-04-28 | A kind of electric car charger that adopts pulse current charge pattern |
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| Publication Number | Publication Date |
|---|---|
| CN203967776U true CN203967776U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420212511.5U Expired - Fee Related CN203967776U (en) | 2014-04-28 | 2014-04-28 | A kind of electric car charger that adopts pulse current charge pattern |
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| Country | Link |
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| CN (1) | CN203967776U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179432A (en) * | 2017-06-02 | 2017-09-19 | 深圳巴斯巴科技发展有限公司 | A kind of automobile charging box and its current effective value measuring method |
| CN113352909A (en) * | 2021-04-29 | 2021-09-07 | 浙江法然特浙科科技有限公司 | Control system and method of hybrid universal charger |
-
2014
- 2014-04-28 CN CN201420212511.5U patent/CN203967776U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179432A (en) * | 2017-06-02 | 2017-09-19 | 深圳巴斯巴科技发展有限公司 | A kind of automobile charging box and its current effective value measuring method |
| CN113352909A (en) * | 2021-04-29 | 2021-09-07 | 浙江法然特浙科科技有限公司 | Control system and method of hybrid universal charger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 |
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| CF01 | Termination of patent right due to non-payment of annual fee |