CN102545358B - Charger with full-automatic switching-off function - Google Patents
Charger with full-automatic switching-off function Download PDFInfo
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- CN102545358B CN102545358B CN2012100476165A CN201210047616A CN102545358B CN 102545358 B CN102545358 B CN 102545358B CN 2012100476165 A CN2012100476165 A CN 2012100476165A CN 201210047616 A CN201210047616 A CN 201210047616A CN 102545358 B CN102545358 B CN 102545358B
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- 238000001514 detection method Methods 0.000 claims abstract description 12
- 239000003990 capacitor Substances 0.000 claims description 25
- 239000003381 stabilizer Substances 0.000 claims description 23
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The invention discloses a charger with a full-automatic switching-off function, relating to the charger. The charger is provided with a charging plate and an output end of the charging plate is connected with a current detection circuit; the current detection circuit is connected with a control relay J1 and a charging relay J1 is connected with a starting and reversed polarity locking circuit. The charger provided by the invention has the advantage of switching off a storage battery and a power supply loop when the storage battery is fully charged.
Description
Technical field
The present invention relates to a charger, specifically is a kind of charger with full-automatic break function, is mainly used in big-and-middle-sized electro-tricycle storage battery and charges.
Background technology
The known charge device mostly can not be realized full charge automatic disconnection storage battery and power supply.Charger is in that still energising under the very little charging current situation is provided, and is nonsensical to the long-time floating charge of the storage battery that is not operated in floating charge state, but also consumed power; Electric car charger specification requirement green light pulls out charger both sides plug in bright back 4 hours, and charger mostly is operated under the unmanned monitoring situation, in time pulls out the bad realization of plug on request, thereby wastes electric energy and battery is not had benefit.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of energy-saving charger of full-automatic break function, disconnect storage battery and power supply current supply circuit during full charge, realize saving electric energy, protection storage battery, exempt to guard multiple function.
The present invention realizes with following technical scheme: a kind of charger with full-automatic break function, comprise a charging panel, and the output of charging panel connects a current detection circuit, the control relay J1 that is connected with current detection circuit; Described current detection circuit comprises resistance R 2, R3, R4, potentiometer RP, diode VD2, VD5, voltage-stabiliser tube VD3, VD4, inductance L H, charging capacitor C1, triode VT1 and current relay J2; The end of current relay J2 connects the positive output end of charging panel by resistance R 4, the collector electrode of another termination triode VT1, the grounded emitter of triode VT1, the base stage of triode VT1 is by voltage-stabiliser tube VD4 and the potentiometer RP end that meets charging capacitor C1 of series connection, the negative output terminal of another termination charging panel of charging capacitor C1, be connected in parallel on the two ends of charging capacitor C1 after resistance R 2 and the voltage-stabiliser tube VD3 series connection, be connected in parallel on the two ends of charging capacitor C1 after diode VD2 and the inductance L H series connection, resistance R 3 is connected in parallel on the two ends of charging capacitor C1, and diode VD5 is connected in parallel on the two ends of current relay J2; The two ends of a control relay J1 one-way SCR VS1 in parallel, the anode of one-way SCR VS1 connects the positive output end of charging panel by resistance R 7, minus earth, the control utmost point of one-way SCR VS1 connects the anode of a voltage-stabiliser tube VD6, the charging capacitor C2 that connects between the negative electrode of voltage-stabiliser tube VD6 and the negative output terminal of charging panel, the normally opened contact of current relay J2 is connected in parallel on the two ends of charging capacitor C2; Between the positive output end of control relay J1 and charging panel, be in series with the normally opened contact J1-2 of resistance R 8, diode VD7, button AN and control relay J1, the negative electrode of diode VD7 is connected with control relay J1 through resistance R 8, and the anode of diode VD7 is connected with the positive output end of charging panel with normally opened contact J1-2 by button AN; The normally opened contact J1-1 of the input series connection control relay J1 of charging panel; Described charging panel is step-down rectifier formula pressure-limit current-limit charging panel.
[0005]The invention has the beneficial effects as follows: under storage battery full charge condition, power cutoff and battery circuit realize saving electric energy and protection storage battery target; And by the charge in batteries electric current detect automatically, polarity detects, and realizes not possessing the inoperative charger of charge condition, do not allow charger no-load running, also do not allow storage battery discharge by charger; Realize that shutdown automatically promotes the intelligent level of charger.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is the utility model circuit diagram.
Embodiment
As shown in Figure 1, the charger with full-automatic break function has a charging panel, and the output of charging panel connects a current detection circuit, and current detection circuit connects a control relay J1.Described current detection circuit comprises resistance R 2, R3, R4, potentiometer RP, diode VD2, VD5, voltage-stabiliser tube VD3, VD4, inductance L H, charging capacitor C1, triode VT1 and current relay J2; The end of current relay J2 connects the positive output end of charging panel by resistance R 4, the collector electrode of another termination triode VT1, the grounded emitter of triode VT1, the base stage of triode VT1 is by voltage-stabiliser tube VD4 and the potentiometer RP end that meets charging capacitor C1 of series connection, the negative output terminal of another termination charging panel of charging capacitor C1, be connected in parallel on the two ends of charging capacitor C1 after resistance R 2 and the voltage-stabiliser tube VD3 series connection, be connected in parallel on the two ends of charging capacitor C1 after diode VD2 and the inductance L H series connection, resistance R 3 is connected in parallel on the two ends of charging capacitor C1, and diode VD5 is connected in parallel on the two ends of current relay J2; The two ends of a control relay J1 one-way SCR VS1 in parallel, the anode of one-way SCR VS1 connects the positive output end of charging panel by resistance R 7, minus earth, the control utmost point of one-way SCR VS1 one-way SCR VS1 connects the anode of a voltage-stabiliser tube VD6, the charging capacitor C2 that connects between the negative electrode of voltage-stabiliser tube VD6 and the negative output terminal of charging panel, the normally opened contact J2-1 of current relay J2 is connected in parallel on the two ends of charging capacitor C2; Between the positive output end of control relay J1 and charging panel, be in series with the normally opened contact J1-2 of diode VD7, button AN and control relay J1, the negative electrode of diode VD7 is connected with control relay J1 through resistance R 8, and the anode of diode VD7 is connected with the positive output end of charging panel with normally opened contact J1-2 by button AN; Utilize diode and button AN to realize startup and the reversed polarity blocking function of charging circuit.The normally opened contact J1-1 of the input series connection control relay J1 of charging panel; Power supply disconnects after can realizing full charge.Described charging panel is step-down rectifier formula pressure-limit current-limit charging panel, is used for big-and-middle-sized electro-tricycle more.
The polarity warning circuit of between the negative output terminal of normally opened contact J1-2 and charging panel, connecting.The polarity warning circuit comprises resistance R 9, voltage-stabiliser tube VD9, rectifier diode VD10 and buzzer BL; One end of resistance R 9 is connected with normally opened contact J1-2, and the other end is connected with the anode of voltage-stabiliser tube VD9, and the negative electrode of voltage-stabiliser tube VD9 is connected with the negative output terminal of charging panel by rectifier diode VD10; Buzzer BL is connected in parallel on the two ends of voltage-stabiliser tube VD9.
A normally opened contact J1-3 in the two ends of normally opened contact J1-2 Parallel Control relay J 1 increases its reliability.
Utilize the element fundamental characteristics, the accumulator polarity reversal connection warning locking of implement device.Control relay is designed to the correct polarity starting, and the inoperative circuit of mistake polarity constitutes delay releasing circuit, constitutes current detecting relay control model.Under normal charge mode, charging current is little below setting value [general setting value be 0.01C(A)], and as 100 ampere-hour storage batterys, under constant voltage current-limiting charge pattern, electric current is little below 1 peace, thinks that namely storage battery is sufficient.Utilize this characteristic in the battery charging process, the check charging current can disconnect charge power supply and charge circuit less than this value, realizes saving electric energy and exempting to guard target.
Correct storage battery and the power supply connected, power supply indication red light is bright, and point touches the button AN once, control relay J1 moves adhesive, and open charge power supply and battery charging circuit, ammeter have bigger and suitable charging current indication, charging indication red light is bright, and the expression charger is working properly.Connect instead as accumulator polarity, buzzer namely sends " ticking " chimes of doom, and the expression accumulator polarity connects instead, should correct, as not correcting, by charging starting button, then not adhesive of control relay J1, inoperative charging circuit.As the storage battery full charge, charging current is little below setting value, and current detection circuit will drive control relay J1 and delay time and return deenergization and charge in batteries loop 5 seconds.Connect correctly as accumulator polarity, press starting button AN, control relay J1 adhesive and charge power supply and charge circuit and access failure power supply or power supply no-voltage, then install time-delay deenergization in 5 second and charge circuit, do not allow charger no-load running, do not allow battery discharging yet, realize saving electric energy.
The course of work: correctly connect batteries and exchange 220 volts of power supplys, touch the button AN once, control relay J1 adhesive under the battery tension effect, its normally opened contact J1-1 connects power circuit, normally opened contact J1-2, J1-3 connect charging circuit jointly, charger normal starting, ammeter have bigger and suitable charging current.Storage battery full charge electric current is little below setting value, current relay J2 discharges, normally opened contact J2-1 disconnects, charging capacitor C2 charges about 5 seconds, one-way SCR VS1 conducting, short circuit control relay J1 actuating coil, control relay J1 is discharged, normally opened contact J1-1, J1-2, J1-3 disjunction, deenergization and charging circuit are realized full automatic stop simultaneously.
Claims (4)
1. the charger with full-automatic break function comprises a charging panel, and the output of charging panel connects a current detection circuit, the control relay J1 that is connected with current detection circuit; It is characterized in that: described current detection circuit comprises resistance R 2, R3, R4, potentiometer RP, diode VD2, VD5, voltage-stabiliser tube VD3, VD4, inductance L H, charging capacitor C1, triode VT1 and current relay J2; The end of current relay J2 connects the positive output end of charging panel by resistance R 4, the collector electrode of another termination triode VT1, the grounded emitter of triode VT1, the base stage of triode VT1 is by voltage-stabiliser tube VD4 and the potentiometer RP end that meets charging capacitor C1 of series connection, the negative output terminal of another termination charging panel of charging capacitor C1, be connected in parallel on the two ends of charging capacitor C1 after resistance R 2 and the voltage-stabiliser tube VD3 series connection, be connected in parallel on the two ends of charging capacitor C1 after diode VD2 and the inductance L H series connection, resistance R 3 is connected in parallel on the two ends of charging capacitor C1, and diode VD5 is connected in parallel on the two ends of current relay J2; The two ends of a control relay J1 one-way SCR VS1 in parallel, the anode of one-way SCR VS1 connects the positive output end of charging panel by resistance R 7, minus earth, the control utmost point of one-way SCR VS1 connects the anode of a voltage-stabiliser tube VD6, the charging capacitor C2 that connects between the negative electrode of voltage-stabiliser tube VD6 and the negative output terminal of charging panel, the normally opened contact of current relay J2 is connected in parallel on the two ends of charging capacitor C2; Between the positive output end of control relay J1 and charging panel, be in series with the normally opened contact J1-2 of resistance R 8, diode VD7, button AN and control relay J1, the negative electrode of diode VD7 is connected with control relay J1 through resistance R 8, and the anode of diode VD7 is connected with the positive output end of charging panel with normally opened contact J1-2 by button AN; The normally opened contact J1-1 of the input series connection control relay J1 of charging panel; Described charging panel is step-down rectifier formula pressure-limit current-limit charging panel.
2. a kind of charger with full-automatic break function according to claim 1 is characterized in that: the polarity warning circuit of connecting between the negative output terminal of normally opened contact J1-2 and charging panel.
3. a kind of charger with full-automatic break function according to claim 2, described polarity warning circuit comprises resistance R 9, voltage-stabiliser tube VD9, rectifier diode VD10 and buzzer BL; One end of resistance R 9 is connected with normally opened contact J1-2, and the other end is connected with the anode of voltage-stabiliser tube VD9, and the negative electrode of voltage-stabiliser tube VD9 is connected with the negative output terminal of charging panel by rectifier diode VD10; Buzzer BL is connected in parallel on the two ends of voltage-stabiliser tube VD9.
4. according to each described a kind of charger with full-automatic break function of claim 1-3, it is characterized in that: at a normally opened contact J1-3 of the two ends of normally opened contact J1-2 Parallel Control relay J 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100476165A CN102545358B (en) | 2012-02-28 | 2012-02-28 | Charger with full-automatic switching-off function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100476165A CN102545358B (en) | 2012-02-28 | 2012-02-28 | Charger with full-automatic switching-off function |
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| Publication Number | Publication Date |
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| CN102545358A CN102545358A (en) | 2012-07-04 |
| CN102545358B true CN102545358B (en) | 2013-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100476165A Active CN102545358B (en) | 2012-02-28 | 2012-02-28 | Charger with full-automatic switching-off function |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362707A (en) * | 2014-11-25 | 2015-02-18 | 滑文法 | Automatic power-off protection charging circuit and charging method of storage battery |
| CN110690751B (en) * | 2019-11-17 | 2021-10-01 | 鲨湾科技(上海)有限公司 | Charging base and charging system |
| CN114726061B (en) * | 2022-06-01 | 2022-08-16 | 深圳市菲尼基科技有限公司 | Control system for lithium battery power management |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2132327Y (en) * | 1992-06-17 | 1993-05-05 | 权金生 | Full automatic stepless storage battery charging machine for car |
| JP2995142B2 (en) * | 1994-05-12 | 1999-12-27 | 富士電気化学株式会社 | Series battery charger |
| CN201315498Y (en) * | 2008-11-10 | 2009-09-23 | 康之歆 | Automatic charger stopping module with starting button |
| CN202444302U (en) * | 2012-02-28 | 2012-09-19 | 江苏省电力公司徐州供电公司 | Charger with full-automatic disconnection function |
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| CN102545358A (en) | 2012-07-04 |
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| PB01 | Publication | ||
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| ASS | Succession or assignment of patent right |
Owner name: JIANGSU ELECTRIC POWER COMPANY STATE GRID CORPORAT Effective date: 20121107 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20121107 Address after: 221006 Jiefang North Road, Jiangsu, Xuzhou, No. 20 Applicant after: Xuzhou Power Supply Company of Jiangsu Electric Power Company Applicant after: Jiangsu Electric Power Company Applicant after: State Grid Corporation of China Address before: 221006 Jiefang North Road, Jiangsu, Xuzhou, No. 20 Applicant before: Xuzhou Power Supply Company of Jiangsu Electric Power Company |
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