CN103516028B - Full outage electric vehicle charger - Google Patents
Full outage electric vehicle charger Download PDFInfo
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- CN103516028B CN103516028B CN201310486225.8A CN201310486225A CN103516028B CN 103516028 B CN103516028 B CN 103516028B CN 201310486225 A CN201310486225 A CN 201310486225A CN 103516028 B CN103516028 B CN 103516028B
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Abstract
The invention discloses a full outage electric vehicle charger. The full outage electric vehicle charger is characterized in that the full outage electric vehicle charger comprises a 12V power supply circuit, a charger main circuit, a charger control circuit, a charge keeping circuit, a current detection circuit and a delay circuit. According to the invention, problems of a traditional electric vehicle charger are effectively solved, wherein the problems are that the service life of the charger is shortened and an electric power resource is consumed, which are caused due to the fact that after charge is finished, partial circuit is still energized.
Description
Technical field
The present invention relates to electric car charger equipment technical field, be specifically related to a kind of full power-off charger of electric vehicle.
Background technology
At present, along with the development of science and technology, electric motor car, owing to possessing the advantages such as quick, environmental protection, has entered ordinary consumer family, but, on market, most of electric car charger can not auto-breaking after charging complete, so not only causes the waste of the energy, also greatly reduces the useful life of charger, although also there are some electric-type chargers of autotomying in market, but because following reason causes market utilization rate not high, first power-off when the floating charge stage, battery is without floating charge process; Though its two disconnections battery charging circuit, can not disconnect all circuit powers, charger or breaker device (or circuit) are still in "on" position, and this then reduces the useful life of charger or breaker device greatly, and causes a large amount of wastes of the energy.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of full power-off charger of electric vehicle, the present invention efficiently solves traditional electrical vehicle charger, after charging terminates, still partial circuit is had to be in "on" position, not only shorten the problem in charger useful life, but also the problem of power consumption resource.
The present invention is achieved through the following technical solutions:
A kind of full power-off charger of electric vehicle, is characterized in that: comprise 12V power circuit, charger main circuit, charger control circuit, charging holding circuit, current detection circuit and delay circuit;
Described charging holding circuit is made up of with its normally opened contact the coil of auxiliary relay KA1, and the coil of auxiliary relay KA1 is connected with 12V power circuit, and its normally opened contact is connected in parallel on charge button two ends;
Described current detection circuit comprises coil and its normally-closed contact formation of the under current relay KI for detecting electric current, on the coil tandem of the under current relay KI power line between charger main circuit and storage battery, its normally-closed contact is connected between 12V power circuit and delay circuit;
Described delay circuit comprises 555 integrated circuit (IC) chip, resistance, electric capacity and auxiliary relay KA2, and 555 integrated circuit (IC) chip, resistance, electric capacity form monostable time delay circuit;
Described 12V power circuit is connected with charger main circuit through the normally-closed contact of auxiliary relay KA2, and the normally-closed contact through under current relay KI is connected with delay circuit.
The further Technological improvement plan of the present invention is:
The power supply of described 12V power circuit obtains after dividing potential drop and voltage stabilizing from charger main circuit power part, for delay circuit and the coil of auxiliary relay KA1 and the coil of auxiliary relay KA2 provide power supply.
The further Technological improvement plan of the present invention is:
Be connected between 12V power circuit and ground after the resistance of described delay circuit and capacitances in series, resistance, electric capacity are connected with 6 pin with 555 integrated circuit (IC) chip 2 pin respectively, 555 integrated circuit (IC) chip 4 pin and 8 pin connect 12V power circuit anode, 5 foot meridian capacitor ground connection, 1 pin ground connection, output pin 3 pin and 12V power circuit anode connect the two ends of the coil of auxiliary relay KA2 respectively.
Compared with prior art, have following obvious advantage, the present invention adopts time delay open circuit in the present invention, realize all power supplys that electric car charger automatically cuts off charger circuit after floating charge, energy-saving effect is obvious, and charger long service life, market application foreground is wide.The present invention both can integrate with other circuit of charger, also can make power off socket separately, therefore use and keep in repair extremely convenient.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is delay circuit structural representation of the present invention.
Embodiment
As shown in Figure 1, the present invention includes 12V power circuit 9, charger main circuit 7, charger control circuit 6, charging holding circuit, current detection circuit and delay circuit 12; Charging holding circuit is made up of with its normally opened contact 5 coil 10 of auxiliary relay KA1, and the coil 10 of auxiliary relay KA1 is connected with 12V power circuit 9, and its normally opened contact 5 is connected in parallel on charge button 4 two ends; The coil 14 that current detection circuit comprises the under current relay KI for detecting electric current is formed with its normally-closed contact 11, the coil 14 of under current relay KI is serially connected on the power line between charger main circuit 7 and storage battery 15, and its normally-closed contact 11 is connected between 12V power circuit 9 and delay circuit 12; Delay circuit 12 comprises 555 integrated circuit (IC) chip, resistance, electric capacity and auxiliary relay KA2, and 555 integrated circuit (IC) chip, resistance, electric capacity form monostable time delay circuit; 12V power circuit 9 is connected with charger main circuit 7 through the normally-closed contact 8 of auxiliary relay KA2, and the normally-closed contact 11 through under current relay KI is connected with delay circuit 12; 12V power circuit 9 power supply obtains after dividing potential drop and voltage stabilizing from charger main circuit 7 power unit, for delay circuit 12 and auxiliary relay KA1 coil 10 and auxiliary relay line KA2 coil 13 provide power supply; Be connected between 12V power circuit 9 anode and ground after the resistance of delay circuit 12 and capacitances in series, resistance, electric capacity are connected with 6 pin with 555 integrated circuit (IC) chip 2 pin respectively, 555 integrated circuit (IC) chip 4 pin and 8 pin connect 12V power circuit 9 anode, 5 foot meridian capacitor ground connection, 1 pin ground connection, output pin 3 pin and 12V power circuit 9 anode connect the two ends of the coil 13 of auxiliary relay KA2 respectively; Above-mentioned KA1, KA2 two auxiliary relays, KA1 plays charging maintenance effect, and KA2 plays delay cut-off effect, and 1 is full power-down circuit part, and 2 is original charging circuit part.
Composition graphs 1,2 sketches the course of work of the present invention:
After charger connects battery 15 and attaching plug 3 inserts city-level 220V power supply, click charge button 4, make 12V power circuit work in full power-down circuit, KA1 coil 10 obtains electric, and its normally opened contact 5 closes, and makes charger continue to switch on power, when charger is in the constant current constant voltage large current charge stage, flow through under current relay KI coil 14 electric current comparatively large, its contact 11 disconnects, and delay circuit 12 does not work because lacking power supply, when charger is in the floating charge low current charge stage, flow through under current relay KI coil 14 electric current less, under current relay KI contact 11 closes, delay circuit 12 is started working, the electric capacity of 555 integrated circuit (IC) chip 2 pin and 6 pin starts charging makes its 3 pin export high level, auxiliary relay KA2 coil 13 does not work, when electric capacity is charged to the 12V direct current power source voltage of 2/3, 555 integrated circuit (IC) chip 3 pin outputs change low level into by high level, auxiliary relay KA2 coil 13 obtains electric, its normally-closed contact 8 be connected between charger main circuit 7 and 12V power circuit 9 is disconnected, auxiliary relay KA1 coil 10 quits work because losing power supply, its normally opened contact 5 being connected in parallel on charge button 4 two ends is cut off the electricity supply because of release to charger and is powered, namely the time of the capacitor charging of 555 integrated circuit (IC) chip 2 pin and 6 pin be the charger floating charge time.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.
Claims (3)
1. a full power-off charger of electric vehicle, is characterized in that: comprise 12V power circuit, charger main circuit, charger control circuit, charging holding circuit, current detection circuit and delay circuit;
Described charging holding circuit is made up of with its normally opened contact the coil of auxiliary relay KA1, and the coil of auxiliary relay KA1 is connected with 12V power circuit, and its normally opened contact is connected in parallel on charge button two ends;
Described current detection circuit comprises coil and its normally-closed contact formation of the under current relay KI for detecting electric current, on the coil tandem of the under current relay KI power line between charger main circuit and storage battery, its normally-closed contact is connected between 12V power circuit and delay circuit;
Described delay circuit comprises 555 integrated circuit (IC) chip, resistance, electric capacity and auxiliary relay KA2, and 555 integrated circuit (IC) chip, resistance, electric capacity form monostable time delay circuit;
Described 12V power circuit is connected with charger main circuit through the normally-closed contact of auxiliary relay KA2, and the normally-closed contact through under current relay KI is connected with delay circuit.
2. the full power-off charger of electric vehicle of one according to claim 1, it is characterized in that: the power supply of described 12V power circuit obtains after dividing potential drop and voltage stabilizing from charger main circuit power part, for delay circuit and the coil of auxiliary relay KA1 and the coil of auxiliary relay KA2 provide power supply.
3. the full power-off charger of electric vehicle of one according to claim 1, it is characterized in that: be connected between 12V power circuit and ground after the resistance of described delay circuit and capacitances in series, resistance, electric capacity are connected with 6 pin with 555 integrated circuit (IC) chip 2 pin respectively, 555 integrated circuit (IC) chip 4 pin and 8 pin connect 12V power circuit anode, 5 foot meridian capacitor ground connection, 1 pin ground connection, output pin 3 pin and 12V power circuit anode connect the two ends of the coil of auxiliary relay KA2 respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310486225.8A CN103516028B (en) | 2013-10-17 | 2013-10-17 | Full outage electric vehicle charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310486225.8A CN103516028B (en) | 2013-10-17 | 2013-10-17 | Full outage electric vehicle charger |
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| Publication Number | Publication Date |
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| CN103516028A CN103516028A (en) | 2014-01-15 |
| CN103516028B true CN103516028B (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310486225.8A Active CN103516028B (en) | 2013-10-17 | 2013-10-17 | Full outage electric vehicle charger |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104410139B (en) * | 2014-12-25 | 2017-09-22 | 江苏理工学院 | Battery of battery-driven truck is full of automatic power-off circuit and auto-power-off device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202282606U (en) * | 2011-11-07 | 2012-06-20 | 黄海华 | Charger automatic full power-off safety energy-saving device |
| CN202363918U (en) * | 2011-10-27 | 2012-08-01 | 中国兵器工业集团第二一四研究所苏州研发中心 | Automatic power-off control module for charger |
| CN103236733A (en) * | 2013-05-14 | 2013-08-07 | 河北工业大学 | Electric bicycle charging device with functions of delaying time and powering off |
| CN203481896U (en) * | 2013-10-17 | 2014-03-12 | 淮安信息职业技术学院 | All power-off charger for electric vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013105823A2 (en) * | 2012-01-12 | 2013-07-18 | Ju Jingwan | Power device using secondary battery and method for converting battery mode of power device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202363918U (en) * | 2011-10-27 | 2012-08-01 | 中国兵器工业集团第二一四研究所苏州研发中心 | Automatic power-off control module for charger |
| CN202282606U (en) * | 2011-11-07 | 2012-06-20 | 黄海华 | Charger automatic full power-off safety energy-saving device |
| CN103236733A (en) * | 2013-05-14 | 2013-08-07 | 河北工业大学 | Electric bicycle charging device with functions of delaying time and powering off |
| CN203481896U (en) * | 2013-10-17 | 2014-03-12 | 淮安信息职业技术学院 | All power-off charger for electric vehicle |
Non-Patent Citations (2)
| Title |
|---|
| "电动车"智能充电器设计;李卫兵;《制造业自动化》;20120229;第34卷(第2期);第138-141页 * |
| 电动车充电存在的缺陷及解决方法;陶刚;《电动车充电存在的缺陷及解决方法》;20131001;第36卷(第19期);第164-166页 * |
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| CN103516028A (en) | 2014-01-15 |
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Address after: 223005 No. 3 Meicheng East Road, Huaian Economic and Technological Development Zone, Jiangsu Province Patentee after: Jiangsu electronic information Vocational College Address before: 223005 No. 3 Meicheng East Road, Huaian Economic and Technological Development Zone, Jiangsu Province Patentee before: HUAIAN VOCATIONAL College OF INFORMATION TECHNOLOGY |
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