CN204497826U - A kind of Intelligent charger for electric bicycle - Google Patents
A kind of Intelligent charger for electric bicycle Download PDFInfo
- Publication number
- CN204497826U CN204497826U CN201520181770.0U CN201520181770U CN204497826U CN 204497826 U CN204497826 U CN 204497826U CN 201520181770 U CN201520181770 U CN 201520181770U CN 204497826 U CN204497826 U CN 204497826U
- Authority
- CN
- China
- Prior art keywords
- resistance
- connects
- diode
- electric capacity
- 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.)
- Expired - Fee Related
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of Intelligent charger for electric bicycle, comprise one-chip computer module, power circuit, pulse control circuit and storage battery, pulse control circuit connects one-chip computer module and storage battery respectively, and one-chip computer module also connects power circuit.The utility model devises a kind of intelligent charger on three stage charging system circuit base, improves charge efficiency, extending battery life, and can repair the storage battery slightly damaged by series of measures such as trickle charge, positive negative pulse stuffing charging and timings.
Description
Technical field
The utility model relates to a kind of charger, specifically a kind of Intelligent charger for electric bicycle.
Background technology
Current electric vehicle charger mainly contains following several: (1) three-step charger, is divided into constant current, constant voltage, floating charge three phases by charging modes.Three stage charging system mode can meet the needs of the daily charging of electric motor car substantially, and cost is also minimum, but this charging modes has problems, and such as each producer accumulator polarity is different, easily burns out charger, damages storage battery; Timed and forcedly can not enter floating charge state etc.(2) with anti-reverse and charger that is timing function, namely do not charge when electromobile battery reverse polarity connection, prevent fault; Force to proceed to floating charge state after the charging upper limit time reaches, prevent from damaging lead acid accumulator.Effectively can prevent the fault occurred because polarity is different, but thyristor or the relay of adopting controls more, thyristor has impact to electrical network, and Control direct current arc extinguishing difficulty, has potential safety hazard.(3) pulse charger, change the constant-voltage phase in three-step charger into pulse charging mode, but be only positive pulse, this to some extent solves the problem of temperature rise in charging process, charge efficiency increases simultaneously, but only relies on positive pulse not to be also very desirable for addressing these problems effect.
Utility model content
The purpose of this utility model is to provide a kind of positive negative pulse stuffing type Intelligent charger for electric bicycle, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of Intelligent charger for electric bicycle, comprise one-chip computer module, power circuit, pulse control circuit and storage battery, described pulse control circuit connects one-chip computer module and storage battery respectively, and one-chip computer module also connects power circuit;
Described power circuit comprises transformer T, switch S 1, chip U1 and diode D1, switch S 1 one end connects 220V alternating current one end, 220V alternating current other end connection transformer T1 primary coil one end, the transformer T1 primary coil other end connecting valve S1 other end, transformer T1 secondary coil one end ground connection, the transformer T1 secondary coil other end connects diode D1 positive pole, diode D1 negative pole connects electric capacity C1 and chip U1 pin 3 respectively, chip U1 pin 1 connects 5V output respectively, electric capacity C2, electric capacity C3 and resistance R1, the resistance R1 other end connects ground connection light-emitting diode D2 positive pole, described chip U1 pin 2 connects the electric capacity C1 other end respectively, the electric capacity C2 other end and the electric capacity C3 other end ground connection.
Described one-chip computer module comprises single-chip microcomputer U2, resistance R12 and diode D5, single-chip microcomputer U2 pin VDD connects above-mentioned 5V output, 5V output also distinguishes contact resistance R13, resistance R12, light-emitting diode D6 negative pole and light-emitting diode D7 negative pole, described single-chip microcomputer U2 pin RA3 connects ground capacity C9 and the resistance R12 other end respectively, single-chip microcomputer U2 pin RC3 is the contact resistance R13 other end and diode D5 positive pole respectively, single-chip microcomputer U2 pin RA0 contact resistance R14, resistance R14 other end connecting luminous diode D6 positive pole, single-chip microcomputer U2 pin RA1 contact resistance R15, resistance R15 other end connecting luminous diode D7 positive pole, single-chip microcomputer U2 pin RC0 connects earth resistance R17 and resistance R16 respectively,
Described pulse control circuit comprises transformer T2, switch S 2, diode D3 and inductance L 1, switch S 2 one end connects 220V alternating current one end, 220V alternating current other end connection transformer T2 primary coil one end, the transformer T2 primary coil other end connecting valve S2 other end, transformer T2 secondary coil one end ground connection, the transformer T2 secondary coil other end is contact resistance R2 and diode D3 positive pole respectively, the resistance R2 other end connects electric capacity C4, the electric capacity C4 other end connects diode D3 negative pole respectively, ground capacity C5, earth resistance R3 and diode D4 positive pole, diode D4 negative pole connects the S pole of metal-oxide-semiconductor VS1 respectively, electric capacity C7, resistance R5, electric capacity C6 and resistance R4, the G pole of metal-oxide-semiconductor VS1 connects the electric capacity C7 other end respectively, the resistance R5 other end and resistance R6, resistance R6 other end connecting triode VT3 collector electrode, triode VT3 emitter contact resistance R11 ground connection, the resistance R11 other end is contact resistance R10 and triode VT3 base stage respectively, the resistance R10 other end connects single-chip microcomputer U2 pin RA2, the described resistance R4 other end connects the electric capacity C6 other end respectively, triode VT2 collector electrode, the S pole of metal-oxide-semiconductor VS2 and resistance R9 ground connection, triode VT2 base stage is contact resistance R7 and triode VT1 base stage respectively, the resistance R7 other end connects single-chip microcomputer U2 pin RC1, described diode D5 negative pole connecting triode VT1 collector electrode, triode VT1 emitter is connecting triode VT2 emitter and resistance R8 respectively, the resistance R8 other end connects the G pole of metal-oxide-semiconductor VS2, the D pole of metal-oxide-semiconductor VS2 connects D pole and the inductance L 1 of metal-oxide-semiconductor VS1 respectively, inductance L 1 other end connect respectively output end vo+, electric capacity C8 and the resistance R16 other end, the electric capacity C8 other end respectively contact resistance R9 other end and output end vo-, described output end vo+with output end vo-be connected storage battery two ends respectively.
As further program of the utility model: described chip U1 model is 7805.
As the utility model further scheme: described single-chip microcomputer U2 model is PIC16F676.
Compared with prior art, the beneficial effects of the utility model are: the utility model devises a kind of intelligent charger on three stage charging system circuit base, charge efficiency is improved by series of measures such as trickle charge, positive negative pulse stuffing charging and timings, extending battery life, and the storage battery slightly damaged can be repaired.
Accompanying drawing explanation
Fig. 1 is the circuit structure block diagram of Intelligent charger for electric bicycle;
Fig. 2 is the circuit diagram of power circuit in Intelligent charger for electric bicycle;
Fig. 3 is the circuit diagram of one-chip computer module in Intelligent charger for electric bicycle;
Fig. 4 is the circuit diagram of pulse control circuit in Intelligent charger for electric bicycle.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 4, in the utility model embodiment, a kind of Intelligent charger for electric bicycle, comprises one-chip computer module, power circuit, pulse control circuit and storage battery, pulse control circuit connects one-chip computer module and storage battery respectively, and one-chip computer module also connects power circuit.
Power circuit comprises transformer T, switch S 1, chip U1 and diode D1, switch S 1 one end connects 220V alternating current one end, 220V alternating current other end connection transformer T1 primary coil one end, the transformer T1 primary coil other end connecting valve S1 other end, transformer T1 secondary coil one end ground connection, the transformer T1 secondary coil other end connects diode D1 positive pole, diode D1 negative pole connects electric capacity C1 and chip U1 pin 3 respectively, chip U1 pin 1 connects 5V output respectively, electric capacity C2, electric capacity C3 and resistance R1, the resistance R1 other end connects ground connection light-emitting diode D2 positive pole, chip U1 pin 2 connects the electric capacity C1 other end respectively, the electric capacity C2 other end and the electric capacity C3 other end ground connection.
One-chip computer module comprises single-chip microcomputer U2, resistance R12 and diode D5, single-chip microcomputer U2 pin VDD connects above-mentioned 5V output, 5V output also distinguishes contact resistance R13, resistance R12, light-emitting diode D6 negative pole and light-emitting diode D7 negative pole, single-chip microcomputer U2 pin RA3 connects ground capacity C9 and the resistance R12 other end respectively, single-chip microcomputer U2 pin RC3 is the contact resistance R13 other end and diode D5 positive pole respectively, single-chip microcomputer U2 pin RA0 contact resistance R14, resistance R14 other end connecting luminous diode D6 positive pole, single-chip microcomputer U2 pin RA1 contact resistance R15, resistance R15 other end connecting luminous diode D7 positive pole, single-chip microcomputer U2 pin RC0 connects earth resistance R17 and resistance R16 respectively.
Pulse control circuit comprises transformer T2, switch S 2, diode D3 and inductance L 1, switch S 2 one end connects 220V alternating current one end, 220V alternating current other end connection transformer T2 primary coil one end, the transformer T2 primary coil other end connecting valve S2 other end, transformer T2 secondary coil one end ground connection, the transformer T2 secondary coil other end is contact resistance R2 and diode D3 positive pole respectively, the resistance R2 other end connects electric capacity C4, the electric capacity C4 other end connects diode D3 negative pole respectively, ground capacity C5, earth resistance R3 and diode D4 positive pole, diode D4 negative pole connects the S pole of metal-oxide-semiconductor VS1 respectively, electric capacity C7, resistance R5, electric capacity C6 and resistance R4, the G pole of metal-oxide-semiconductor VS1 connects the electric capacity C7 other end respectively, the resistance R5 other end and resistance R6, resistance R6 other end connecting triode VT3 collector electrode, triode VT3 emitter contact resistance R11 ground connection, the resistance R11 other end is contact resistance R10 and triode VT3 base stage respectively, the resistance R10 other end connects single-chip microcomputer U2 pin RA2, the resistance R4 other end connects the electric capacity C6 other end respectively, triode VT2 collector electrode, the S pole of metal-oxide-semiconductor VS2 and resistance R9 ground connection, triode VT2 base stage is contact resistance R7 and triode VT1 base stage respectively, the resistance R7 other end connects single-chip microcomputer U2 pin RC1, diode D5 negative pole connecting triode VT1 collector electrode, triode VT1 emitter is connecting triode VT2 emitter and resistance R8 respectively, the resistance R8 other end connects the G pole of metal-oxide-semiconductor VS2, the D pole of metal-oxide-semiconductor VS2 connects D pole and the inductance L 1 of metal-oxide-semiconductor VS1 respectively, inductance L 1 other end connect respectively output end vo+, electric capacity C8 and the resistance R16 other end, the electric capacity C8 other end respectively contact resistance R9 other end and output end vo-, output end vo+with output end vo-be connected storage battery two ends respectively.
Chip U1 model is 7805.
Single-chip microcomputer U2 model is PIC16F676.
Operation principle of the present utility model is: power circuit as shown in Figure 2, the AC signal that transformer T1 exports exports 5V direct voltage after the direct voltage chip U1 voltage stabilizing that sustained diode 1 rectification and electric capacity C1 filtering export about 12V, single-chip microcomputer is supplied after electric capacity C2, C3 filtering, wherein electric capacity C2 is polar capacitor, be mainly used to antisurge, electric capacity C3 is nonpolarity small capacitances, is mainly used to filtering high order harmonic component, light-emitting diode D2 is power supply indicator, and resistance R1 is current-limiting resistance.
One-chip computer module as shown in Figure 3, resistance R12 and electric capacity C9 forms reset circuit of SCM, single-chip microcomputer U2 and reset circuit constitute single-chip minimum system, when single-chip microcomputer U2 pin RC3 exports high level, charged state forces to enter floating charge state, reduce charging current, prevent from damaging storage battery, resistance R13 is pull-up resistor, the signal driving force preventing single-chip microcomputer from exporting is not enough and cannot normally work, single-chip microcomputer U2 pin RC1 is used for driven MOS pipe VS2, single-chip microcomputer U2 pin RA2 is used for driven MOS pipe VS1, common three stage charging system due to initial charge current very large, this is fatal for the storage battery after overdischarge, therefore must judge, the utility model is in the charging starting stage, Single-chip Controlling metal-oxide-semiconductor turns off, resistance R16 and resistance R17 is utilized to carry out dividing potential drop to battery tension, input single-chip microcomputer U2 pin RC0 sample battery voltages, judge that whether accumulator polarity is correct, as incorrect, then do not charge, indicator light is utilized to point out, as correctly, judge whether overdischarge again, if voltage is lower than set point, assert battery overdischarge, small area analysis is then adopted to charge, i.e. trickle charge, the conventional three stage charging system stage is entered again when storage battery can bear big current, single-chip microcomputer U2 pin RA0 and RA1 controls light-emitting diode D6, D7, be used to indicate battery state of charge.
The temperature rise in charging process of common charging modes is comparatively large, and easily produce gassing, affect charge efficiency, temperature rise simultaneously can damage storage battery.The cyclic process that positive negative pulse stuffing charging modes herein adopts charge-discharge of charging-stop-stop to fill-charge, by charging interval and discharge time in single-chip microcomputer setting each cycle, positive negative pulse stuffing is realized by turning on and off of one group of metal-oxide-semiconductor, in addition, current common charger timing generally adopts timing chip, add extra cost, the utility model directly timing in single-chip microcomputer, time is to then sending signal, pressure enters the floating charge stage, and after certain hour, single-chip microcomputer sends signal, controls metal-oxide-semiconductor and cuts off the electricity supply, reach power-off object, cost-saving.
Pulse control circuit as shown in Figure 4, the AC signal that transformer exports becomes direct voltage through diode D3, D4 rectification and electric capacity C5, C6 filtering, resistance R3, R4 are dummy load, be used for preventing the voltage when charger does not connect load (storage battery) from raising, ensure the stable of charger voltage.Metal-oxide-semiconductor VS1 and VS2 is used for controlling positive negative pulse stuffing and produces, metal-oxide-semiconductor VS1 is used for controlling the break-make of charging voltage, metal-oxide-semiconductor VS2 is used for controlling battery discharging, single-chip microcomputer U2 pin RA2 controls the break-make of triode VT3 through current-limiting resistance R10, when single-chip microcomputer U2 exports as high level, and triode VT3 conducting, resistance R5, R6 are through triode VT3 ground connection, form loop, the S pole that resistance R5, R6 receive after carrying out dividing potential drop, driven MOS pipe VS1 conducting; In like manner, when single-chip microcomputer U2 pin RA2 output low level, metal-oxide-semiconductor VS1 turns off, wherein small capacitances C7 is used for preventing voltage jump on the impact of metal-oxide-semiconductor VS1, change in voltage is slightly tended towards stability but can not switching speed be affected, single-chip microcomputer U2 pin RC1 controls triode VT1 and triode VT2 through current-limiting resistance R7, thus controls the break-make of metal-oxide-semiconductor VS2.When single-chip microcomputer U2 pin RC1 exports high level, triode VT1 conducting, triode VT2 ends, and 5V voltage controls metal-oxide-semiconductor VS2 conducting after triode VT1, resistance R8; When single-chip microcomputer U2 pin RC1 output low level, triode VT2 conducting, VT1 ends, electric charge in metal-oxide-semiconductor VS2 junction capacitance is discharged rapidly by triode VT2, and accelerate metal-oxide-semiconductor VS2 and turn off, inductance L 1, electric capacity C8 are used for filtering, make output voltage more steady, resistance R9 is current sampling resistor, and the electric current flowing through storage battery can produce pressure drop on resistance R9, and this voltage is in circuit for judging charged state and charging stage.
Claims (3)
1. an Intelligent charger for electric bicycle, comprises one-chip computer module, power circuit, pulse control circuit and storage battery, it is characterized in that, described pulse control circuit connects one-chip computer module and storage battery respectively, and one-chip computer module also connects power circuit;
Described power circuit comprises transformer T, switch S 1, chip U1 and diode D1, switch S 1 one end connects 220V alternating current one end, 220V alternating current other end connection transformer T1 primary coil one end, the transformer T1 primary coil other end connecting valve S1 other end, transformer T1 secondary coil one end ground connection, the transformer T1 secondary coil other end connects diode D1 positive pole, diode D1 negative pole connects electric capacity C1 and chip U1 pin 3 respectively, chip U1 pin 1 connects 5V output respectively, electric capacity C2, electric capacity C3 and resistance R1, the resistance R1 other end connects ground connection light-emitting diode D2 positive pole, described chip U1 pin 2 connects the electric capacity C1 other end respectively, the electric capacity C2 other end and the electric capacity C3 other end ground connection,
Described one-chip computer module comprises single-chip microcomputer U2, resistance R12 and diode D5, single-chip microcomputer U2 pin VDD connects above-mentioned 5V output, 5V output also distinguishes contact resistance R13, resistance R12, light-emitting diode D6 negative pole and light-emitting diode D7 negative pole, described single-chip microcomputer U2 pin RA3 connects ground capacity C9 and the resistance R12 other end respectively, single-chip microcomputer U2 pin RC3 is the contact resistance R13 other end and diode D5 positive pole respectively, single-chip microcomputer U2 pin RA0 contact resistance R14, resistance R14 other end connecting luminous diode D6 positive pole, single-chip microcomputer U2 pin RA1 contact resistance R15, resistance R15 other end connecting luminous diode D7 positive pole, single-chip microcomputer U2 pin RC0 connects earth resistance R17 and resistance R16 respectively,
Described pulse control circuit comprises transformer T2, switch S 2, diode D3 and inductance L 1, switch S 2 one end connects 220V alternating current one end, 220V alternating current other end connection transformer T2 primary coil one end, the transformer T2 primary coil other end connecting valve S2 other end, transformer T2 secondary coil one end ground connection, the transformer T2 secondary coil other end is contact resistance R2 and diode D3 positive pole respectively, the resistance R2 other end connects electric capacity C4, the electric capacity C4 other end connects diode D3 negative pole respectively, ground capacity C5, earth resistance R3 and diode D4 positive pole, diode D4 negative pole connects the S pole of metal-oxide-semiconductor VS1 respectively, electric capacity C7, resistance R5, electric capacity C6 and resistance R4, the G pole of metal-oxide-semiconductor VS1 connects the electric capacity C7 other end respectively, the resistance R5 other end and resistance R6, resistance R6 other end connecting triode VT3 collector electrode, triode VT3 emitter contact resistance R11 ground connection, the resistance R11 other end is contact resistance R10 and triode VT3 base stage respectively, the resistance R10 other end connects single-chip microcomputer U2 pin RA2, the described resistance R4 other end connects the electric capacity C6 other end respectively, triode VT2 collector electrode, the S pole of metal-oxide-semiconductor VS2 and resistance R9 ground connection, triode VT2 base stage is contact resistance R7 and triode VT1 base stage respectively, the resistance R7 other end connects single-chip microcomputer U2 pin RC1, described diode D5 negative pole connecting triode VT1 collector electrode, triode VT1 emitter is connecting triode VT2 emitter and resistance R8 respectively, the resistance R8 other end connects the G pole of metal-oxide-semiconductor VS2, the D pole of metal-oxide-semiconductor VS2 connects D pole and the inductance L 1 of metal-oxide-semiconductor VS1 respectively, inductance L 1 other end connect respectively output end vo+, electric capacity C8 and the resistance R16 other end, the electric capacity C8 other end respectively contact resistance R9 other end and output end vo-, described output end vo+with output end vo-be connected storage battery two ends respectively.
2. Intelligent charger for electric bicycle according to claim 1, is characterized in that, described chip U1 model is 7805.
3. Intelligent charger for electric bicycle according to claim 1, is characterized in that, described single-chip microcomputer U2 model is PIC16F676.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520181770.0U CN204497826U (en) | 2015-03-26 | 2015-03-26 | A kind of Intelligent charger for electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520181770.0U CN204497826U (en) | 2015-03-26 | 2015-03-26 | A kind of Intelligent charger for electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204497826U true CN204497826U (en) | 2015-07-22 |
Family
ID=53577112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520181770.0U Expired - Fee Related CN204497826U (en) | 2015-03-26 | 2015-03-26 | A kind of Intelligent charger for electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204497826U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109617200A (en) * | 2018-10-25 | 2019-04-12 | 张家港市华为电子有限公司 | A kind of intelligent modularized charger |
-
2015
- 2015-03-26 CN CN201520181770.0U patent/CN204497826U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109617200A (en) * | 2018-10-25 | 2019-04-12 | 张家港市华为电子有限公司 | A kind of intelligent modularized charger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103236733B (en) | Electric bicycle charging device with functions of delaying time and powering off | |
| CN102629773A (en) | Intelligent pulse temperature-control charger | |
| CN202034816U (en) | Intelligent charger for electric bicycle | |
| CN202424264U (en) | Positive and negative pulse charge-discharge control system for power battery charger | |
| CN202333884U (en) | Charging-discharging control system for parallel type lithium ion battery pack | |
| CN110011377A (en) | A kind of lead-acid batteries intelligent charger | |
| CN204794272U (en) | Prevent that electric motor car storage battery from crossing auto -power -off device that fills | |
| CN205195331U (en) | Battery charger and mend charging circuit thereof | |
| CN104810872A (en) | Battery charging circuit and battery charging method | |
| CN204497826U (en) | A kind of Intelligent charger for electric bicycle | |
| CN206673569U (en) | The output protection circuit of Switching Power Supply | |
| CN203233223U (en) | Electric bicycle charging device with function of time-delay power-off | |
| CN205986253U (en) | Electric motor car battery charger's auto -power -off circuit | |
| CN203289174U (en) | Full-automatic large-power LED lamp power supply circuit | |
| CN2446707Y (en) | Three stage controlled balance charger | |
| CN202888916U (en) | Multifunctional charging device capable of automatically identifying voltage | |
| CN202737517U (en) | Charging and discharging control device | |
| CN201298743Y (en) | Energy-saving device for moped charger | |
| CN209709713U (en) | A kind of lead-acid batteries intelligent charger | |
| CN106160122A (en) | A kind of automatic power-off circuit of electromobile battery charger | |
| CN203686846U (en) | Double power supply intelligent solar traffic signal lamp | |
| CN203289156U (en) | Novel mobile phone mobile power supply | |
| CN201174603Y (en) | Solar inverter | |
| CN203761088U (en) | Battery charging circuit | |
| CN204706910U (en) | A kind of intelligent charger |
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: 20150722 Termination date: 20160326 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |