CN103516028A - Full outage electric vehicle charger - Google Patents
Full outage electric vehicle charger Download PDFInfo
- Publication number
- CN103516028A CN103516028A CN201310486225.8A CN201310486225A CN103516028A CN 103516028 A CN103516028 A CN 103516028A CN 201310486225 A CN201310486225 A CN 201310486225A CN 103516028 A CN103516028 A CN 103516028A
- Authority
- CN
- China
- Prior art keywords
- circuit
- power
- charger
- coil
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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 scientific and technological development, the advantages such as electric motor car is quick owing to possessing, environmental protection, have entered ordinary consumer family, but, on market, most of electric car chargers can not auto-breaking after charging completes, and so not only causes the waste of the energy, also greatly reduces the useful life of charger, although also there are some Self-disconnecting formula chargers in market, but because following reason causes market utilization rate not high, the first is in floating charge power-off during the stage, and 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 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 motor-car charger, after charging finishes, still there is partial circuit in "on" position, the problem that has not only shortened charger useful life, but also the problem of power consumption resource.
The present invention is achieved through the following technical solutions:
A power-off charger of electric vehicle, is characterized in that: comprise 12V power circuit, charger main circuit and control circuit thereof, charging holding circuit, current detection circuit and delay circuit;
Described charging holding circuit comprises that auxiliary relay KA1 coil and its normally opened contact form, and the coil of auxiliary relay KA1 is connected with 12V power circuit, and normally opened contact is connected in parallel on charge button two ends;
Described current detection circuit comprises for detection of the under current relay KI coil of electric current and its normally-closed contact formation, the coil tandem of under current relay KI is on the power line between charger main circuit and battery, and 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, through under current relay normally-closed contact, is connected with delay circuit.
The further Technological improvement plan of the present invention is:
Described 12V power circuit power supply is taken from charger main circuit power part and is obtained after dividing potential drop and voltage stabilizing, for delay circuit and auxiliary relay KA1 coil and in separated relay K A2 coil power supply is provided.
The further Technological improvement plan of the present invention is:
After the resistance of described delay circuit and capacitances in series, be connected between 12V DC power supply and ground, resistance, electric capacity are connected with 6 pin with 555 integrated circuit (IC) chip 2 pin respectively, 555 integrated circuit (IC) chip 4 and 8 pin connect 12V power circuit anode, 5 foot meridian capacitor ground connection, 1 pin ground connection, output pin 3 pin and the positive termination auxiliary relay of 12V power circuit KA2 coil.
The present invention compared with prior art, has following obvious advantage, and the present invention adopts time delay open circuit, realize electric car charger and after floating charge, automatically cut off all power supplys of charger circuit, energy-saving effect is obvious, charger long service life, and market application foreground is wide.The present invention both can integrate with other circuit of charger, also can make separately power off socket, 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 and control circuit 6 thereof, charging holding circuit, current detection circuit and delay circuit 12; Charging holding circuit comprises that auxiliary relay KA1 coil 10 and its normally opened contact 5 form, and the coil 10 of auxiliary relay KA1 is connected with 12V power circuit 9, and normally opened contact 5 is connected in parallel on charge button 4 two ends; Current detection circuit comprises for detection of the under current relay KI coil 14 of electric current and its normally-closed contact 11 formations, the coil 14 of under current relay KI is serially connected on the power line between charger main circuit 7 and 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, through the normally-closed contact 11 of under current relay KI, is connected with delay circuit 12; 12V power circuit 9 power supplys are taken from charger main circuit 7 power units and are obtained after dividing potential drop and voltage stabilizing, for delay circuit 12 and auxiliary relay KA1 coil 10 and auxiliary relay line KA2 coil 13 provide power supply; After the resistance of delay circuit 12 and capacitances in series, be connected between 12V power circuit 9 anodes and ground, resistance, electric capacity are connected with 6 pin with 555 integrated circuit (IC) chip 2 pin respectively, 555 integrated circuit (IC) chip 4 and 8 pin connect 12V power circuit 9 anodes, 5 foot meridian capacitor ground connection, 1 pin ground connection, the positive termination auxiliary relay KA2 coil 13 of output pin 3 pin and 12V power circuit 9; Above-mentioned KA1, two auxiliary relays of KA2, 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.
In conjunction with Fig. 1,2, sketch the course of work of the present invention:
When charger connects after battery 15 and attaching plug 3 insertion city-level 220V power supplys, 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 closures, make charger continue to switch on power, when charger is in constant current constant voltage large current charge during the stage, the under current relay KI coil 14 electric current compare great ，Qi contacts 11 of flowing through disconnect, and delay circuit 12 is not worked because lacking power supply, when charger is in floating charge low current charge during the stage, under current relay KI coil 14 electric currents of flowing through are less, under current relay KI contact 11 closures, 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 output high level, auxiliary relay KA2 coil 13 is not worked, when electric capacity is charged to 2/3 12V DC power supply voltage, 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 being 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 that is connected in parallel on charge button 4 two ends is cut off the electricity supply and is powered to charger because of release, 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 all prior art that maybe can adopt 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 and control circuit thereof, charging holding circuit, current detection circuit and delay circuit;
Described charging holding circuit comprises that auxiliary relay KA1 coil and its normally opened contact form, and the coil of auxiliary relay KA1 is connected with 12V power circuit, and normally opened contact is connected in parallel on charge button two ends;
Described current detection circuit comprises for detection of the under current relay KI coil of electric current and its normally-closed contact formation, the coil tandem of under current relay KI is on the power line between charger main circuit and battery, and 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 auxiliary relay KA1 normally-closed contact, through under current relay KI normally-closed contact, is connected with delay circuit.
2. a kind of full power-off charger of electric vehicle according to claim 1, it is characterized in that: the power supply of described 12V power circuit is taken from charger main circuit power part and obtained after dividing potential drop and voltage stabilizing, for delay circuit and auxiliary relay KA1 coil and auxiliary relay KA2 coil provide power supply.
3. a kind of full power-off charger of electric vehicle according to claim 1, it is characterized in that: after the resistance of described delay circuit and capacitances in series, be connected between 12V DC power supply and ground, resistance, electric capacity are connected with 6 pin with 555 integrated circuit (IC) chip 2 pin respectively, 555 integrated circuit (IC) chip 4 and 8 pin connect 12V power circuit anode, 5 foot meridian capacitor ground connection, 1 pin ground connection, output pin 3 pin and the positive termination auxiliary relay of 12V power circuit KA2 coil.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103516028A true CN103516028A (en) | 2014-01-15 |
| CN103516028B CN103516028B (en) | 2015-03-04 |
Family
ID=49898287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310486225.8A Active CN103516028B (en) | 2013-10-17 | 2013-10-17 | Full outage electric vehicle charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103516028B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410139A (en) * | 2014-12-25 | 2015-03-11 | 江苏理工学院 | Automatic power-off circuit and automatic power-off device for full storage battery of storage battery car |
Citations (5)
| 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 |
| WO2013105823A2 (en) * | 2012-01-12 | 2013-07-18 | Ju Jingwan | Power device using secondary battery and method for converting battery mode of power 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 |
-
2013
- 2013-10-17 CN CN201310486225.8A patent/CN103516028B/en active Active
Patent Citations (5)
| 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 |
| WO2013105823A2 (en) * | 2012-01-12 | 2013-07-18 | Ju Jingwan | Power device using secondary battery and method for converting battery mode of power 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 |
|---|
| 李卫兵: ""电动车"智能充电器设计", 《制造业自动化》, vol. 34, no. 2, 29 February 2012 (2012-02-29) * |
| 陶刚: "电动车充电存在的缺陷及解决方法", 《电动车充电存在的缺陷及解决方法》, vol. 36, no. 19, 1 October 2013 (2013-10-01) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410139A (en) * | 2014-12-25 | 2015-03-11 | 江苏理工学院 | Automatic power-off circuit and automatic power-off device for full storage battery of storage battery car |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103516028B (en) | 2015-03-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204557082U (en) | Pure electric vehicle controller power waken system and power supply wake-up circuit | |
| CN203071610U (en) | Control apparatus for base station stand-by power supply | |
| CN104410139B (en) | Automatic power-off circuit and automatic power-off device for full storage battery of storage battery car | |
| CN204340722U (en) | A kind of intelligent power supply circuit of electrokinetic cell system | |
| CN104044538A (en) | Low-voltage storage battery power shortage prevention device and method thereof | |
| CN104333051A (en) | Mobile terminal and power supply method thereof | |
| CN103915880B (en) | A kind of full power-off charger of electric vehicle switching device | |
| CN204230996U (en) | A kind of DC uninterrupted electric power system for subway tunnel cleaning cart | |
| CN203481896U (en) | All power-off charger for electric vehicle | |
| CN202518115U (en) | Low-voltage power supply for electric vehicle | |
| CN102769153B (en) | A kind of method for charging battery pack and implement device thereof | |
| CN103516028B (en) | Full outage electric vehicle charger | |
| CN103072464A (en) | High voltage system power-on and power-off control circuit of series hybrid vehicle and control method | |
| CN206394454U (en) | A kind of electric vehicle alternating-current charging controller of vehicle power supply circuit | |
| CN103683338B (en) | Charger system and rail vehicle | |
| CN204290392U (en) | Reset control circuit under a kind of battery | |
| CN203261122U (en) | Uninterruptible power circuit of power box of visual building intercom system | |
| CN203157748U (en) | Battery electric vehicle battery-powered system power circuit | |
| CN105955009A (en) | Power supply circuit and intelligent bracelet of real-time clock | |
| CN206272333U (en) | A kind of online adaptive switched power management modules free of discontinuities of DC DC | |
| CN203063655U (en) | Power-on-off control circuit of high-voltage system for series hybrid vehicle | |
| CN205836573U (en) | Electric automobile energy saving quick charge device | |
| CN203774851U (en) | Full-power-off electric vehicle charger adapter device | |
| CN204905897U (en) | Automatic protection device and battery charging outfit charge | |
| CN204391863U (en) | Automatic power-off circuit and automatic power-off device for full storage battery of storage battery car |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
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 |