CN1209255C - Energy regeneration charging system for electric bicycle - Google Patents
Energy regeneration charging system for electric bicycle Download PDFInfo
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- CN1209255C CN1209255C CNB031080243A CN03108024A CN1209255C CN 1209255 C CN1209255 C CN 1209255C CN B031080243 A CNB031080243 A CN B031080243A CN 03108024 A CN03108024 A CN 03108024A CN 1209255 C CN1209255 C CN 1209255C
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- storage battery
- motor
- bridge
- accumulator
- electromotor
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The present invention provides an energy regeneration charging system for electric bicycles aiming at the conditions the short road mileage of the existing electric bicycle after once charge and the energy loss in the braking process and the downhill process. The present invention comprises an electromotor, an accumulator and a driving controller, wherein the driving controller is arranged between the electromotor and the accumulator. The present invention adopts the driving controller to control the operation of the electromotor on the premise of no change of the hardware structure of the existing electric bicycle except for the function of electromotor drive; when the electric bicycle is in the braking process and the downhill process, the electromotor works in the regenerative braking state; the lost energy for braking is recovered and stored in the accumulator to realize the short charge of the accumulator, the road mileage of the electric bicycle after once charge and energy saving are realized, and meanwhile, the braking noise is reduced. The present invention is suitable for vehicles with different electromotors, accumulators and controller power devices, and has tremendous application value and easy mass production.
Description
Technical field
The invention belongs to Electrical Bicycle Drive Control Technique field, relate to elec. vehicle drive controlling such as to be applied to electro-tricycle, battery-operated motor cycle, particularly a kind of Electrical Bicycle energy regeneration charge system.
Background technology
At present, the Electrical Bicycle drive system is made up of storage battery, motor and controller thereof, and the special charger that utilizes vehicle to be equipped with charges to storage battery, and storage battery adopts maintenance-free lead accumulator or Ni-MH battery etc. more.Behind the vehicle ' certain distance, when battery tension dropped to certain lower limit, must charge a battery this moment.Because the lead-acid battery energy density is not high, travelled distance is lower so vehicle once charges, at most 50km-70km, 20km-30km at least.
Summary of the invention
The object of the present invention is to provide a kind of Electrical Bicycle energy regeneration charge system, when vehicle brake and descending, driving governor makes machine operation in the regenerative brake state, and electric energy feedback that regenerative brake produced and be stored in the power accumulator, realizes the charging in short-term to storage battery.
The solution that realizes the foregoing invention purpose is that Electrical Bicycle energy regeneration charge system comprises electrical motor, storage battery, and driving governor.For brushless, permanently excited direct current motor, the driving governor power section is a three phase inverter bridge, and the common port of three-phase brachium pontis links to each other with the positive and negative machine of storage battery respectively, and the mid point of three-phase brachium pontis links to each other with three phase windings of brushless, permanently excited direct current motor respectively; For the permanent magnet brush DC motor, its driving governor power section is a half-bridge structure, and the upper/lower terminal of half-bridge links to each other with the positive and negative machine of storage battery respectively, and the mid point of half-bridge links to each other with the winding of permanent magnet brush DC motor.The electric energy that regenerative brake reclaimed of motor charges to storage battery by driving governor.
The present invention is for the different motors of employing, storage battery, and the Electrical Bicycle of driving governor power device all is suitable for.Motor comprises permanent-magnet brushless DC electric machine, permanent magnet brush DC machine; Storage battery comprises lead-acid storage battery, lithium ion battery, nickel-hydrogen accumulator; The power device of driving governor can adopt GTR (power transistor), MOSFET (Metal-oxide-semicondutor type field effect transister), IGBT (insulated gate bipolar transistor), GTO (gate turn off thyristor).
The present invention can improve the Electrical Bicycle travelled distance that once charges, and saves the energy, improves the Electrical Bicycle technology content, enhances one's market competitiveness; The present invention does not do big change to the hardware of existing Electrical Bicycle drive system, for different motors, storage battery, and can realize having great using value on the vehicle of controller power device, is easy to industrialization production
Description of drawings
Fig. 1 is an Electrical Bicycle drive system schematic diagram, and system is by storage battery, motor, and driving governor is formed;
Fig. 2 is the systematic schematic diagram of machine operation when driving condition, and storage battery provides motor to move required electric energy, and direction of current is shown in arrow among the figure;
Systematic schematic diagram when Fig. 3 is the energy regeneration charge condition, the electric energy feedback that this moment, the motor regenerative brake produced also is stored in the storage battery, realizes the energy regeneration charging to storage battery, and direction of current is shown in arrow among the figure;
Fig. 4 adopts lead-acid storage battery, permanent-magnet brushless DC electric machine, and the driving governor power device adopts the Electrical Bicycle drive system of IGBT;
Fig. 5 is that permanent-magnet brushless DC electric machine is in the direction of current under the driving condition;
Fig. 6 is under the permanent-magnet brushless DC electric machine regenerative brake state, the direction of current when power device VT4 conducting;
Fig. 7 is under the permanent-magnet brushless DC electric machine regenerative brake state, the direction of current when VT4 turn-offs;
Fig. 8 is under the permanent magnet brush DC machine regenerative brake state, the direction of current when power device VT2 conducting;
Fig. 9 is under the permanent magnet brush DC machine regenerative brake state, the direction of current when VT2 turn-offs.
The specific embodiment
The embodiment that provides below in conjunction with accompanying drawing and contriver.The present invention is described in further detail.
Referring to Fig. 1～3.According to technical scheme of the present invention, the refresh charging system comprises motor, storage battery, also is provided with a driving governor between motor and storage battery.
The occasion that Electrical Bicycle need be braked mainly contains two kinds: with the speed of a motor vehicle from a high speed reducing to low speed, and speed limit during descending.Glancing impact, the present invention regulates the switch motion of driving governor power device, utilize the boosting of machine winding inductance to form boost chopper, make the machine winding counter potential in that be lower than still can be to battery charge under the situation of battery terminal voltage, and regulate the ratio of power break-over of device time and turn-off time according to motor speed, reach the purpose of adjusting charging valtage.
The present invention does not do big change to existing Electrical Bicycle drive system on hardware, as shown in Figure 1.
During normal vehicle operation, machine operation is in type of drive, and storage battery provides motor to move required electric energy, and direction of current as shown in Figure 2.
During vehicle brake, driving governor makes machine operation in the regenerative brake state, and the motor regenerative brake produced the electric energy feedback and is stored in the storage battery, realizes the charging in short-term of storage battery, and direction of current as shown in Figure 3.
Embodiment 1:
Adopt permanent-magnet brushless DC electric machine for motor, power accumulator adopts lead-acid storage battery, the driving governor power device adopts the Electrical Bicycle of IGBT, its driving control system as shown in Figure 4, the regulative mode of power device as shown in Table 1 under its driving and the braking situation, wherein 1 expression power device is in normal open state, and on behalf of power device, 0 be in the normal off state, and on behalf of power device, s be in PWM (pulse duration modulation) state.
Table one
| The rotor-position state | Drive | Braking | ||||||||||
| VT1 | VT3 | VT5 | VT2 | VT4 | VT6 | VT1 | VT3 | VT5 | VT2 | VT4 | VT6 | |
| 1 | 1 | 0 | 0 | 0 | 0 | s | 0 | 0 | 0 | 0 | s | 0 |
| 2 | 1 | 0 | 0 | s | 0 | 0 | 0 | 0 | 0 | 0 | s | 0 |
| 3 | 0 | 1 | 0 | s | 0 | 0 | 0 | 0 | 0 | 0 | 0 | s |
| 4 | 0 | 1 | 0 | 0 | s | 0 | 0 | 0 | 0 | 0 | 0 | s |
| 5 | 0 | 0 | 1 | 0 | s | 0 | 0 | 0 | 0 | s | 0 | 0 |
| 6 | 0 | 0 | 1 | 0 | 0 | s | 0 | 0 | 0 | s | 0 | 0 |
Machine operation is in driving condition, and the rotor state be 1 o'clock direction of current as shown in Figure 5; Glancing impact, and the rotor state is 1 o'clock, when power switch VT4 be under the conducting state direction of current as shown in Figure 6; Glancing impact, and the rotor state is 1 o'clock, when power switch VT4 be under the off state direction of current as shown in Figure 7.Under the effect of machine winding counter electromotive force, when the VT4 conducting, because loop resistance is very little, the very fast rising of electric current; When VT4 turn-offed, because the effect of machine winding inductance, the energy regeneration process of charging to lead-acid storage battery was finished in diode VD1 conducting.
Embodiment 2:
Adopt the permanent magnet brush DC machine for motor, storage battery adopts lithium-ions battery, and the driving governor power device adopts the Electrical Bicycle of MOSFET, its energy regeneration process of charging such as Fig. 8 and shown in Figure 9.
As shown in Figure 8, when the VT2 conducting, under the effect of machine winding counter electromotive force, because loop resistance is very little, the very fast rising of electric current; When VT2 turn-offed, because the effect of machine winding inductance, the energy regeneration process of charging to lithium-ions battery was finished in diode VD1 conducting.
The present invention is suitable for for the Electrical Bicycle that adopts multiple motor, storage battery, driving governor power device.
Claims (3)
1. Electrical Bicycle energy regeneration charge system, comprise electrical motor, storage battery, and driving governor, it is characterized in that: between electrical motor and power accumulator, also be provided with driving governor, for brushless, permanently excited direct current motor, the driving governor power section is a three phase inverter bridge, wherein power device VT1 and VT4, VT3 and VT6, VT2 and VT5 form 3 respectively and drive half-bridge, common formation three phase inverter bridge, the common port up and down of three-phase brachium pontis links to each other with the positive and negative machine of storage battery respectively; The mid point of three-phase brachium pontis, i.e. VT1 and VT4, VT3 and VT6, the centre of VT2 and VT5 links to each other with three phase windings of brushless, permanently excited direct current motor respectively; For the permanent magnet brush DC motor, its driving governor power section is a half-bridge structure, half-bridge is made up of two power device VT1 and VT2, the upper/lower terminal of half-bridge links to each other with the positive and negative machine of storage battery respectively, the mid point of half-bridge links to each other with the winding of permanent magnet brush DC motor, to motor drive, regenerative brake, and the electric energy that is reclaimed directly charged to storage battery.
2. Electrical Bicycle energy regeneration charging unit as claimed in claim 1, it is characterized in that described power device adopts power transistor GTR or metal-oxide-semiconductor field effect transistor MOSFET or insulated gate bipolar transistor IGBT or gate turn off thyristor GTO or power transistor.
3. Electrical Bicycle energy regeneration charging unit as claimed in claim 1 is characterized in that, described storage battery is lead-acid storage battery or lithium ion battery or nickel-hydrogen accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031080243A CN1209255C (en) | 2003-05-14 | 2003-05-14 | Energy regeneration charging system for electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031080243A CN1209255C (en) | 2003-05-14 | 2003-05-14 | Energy regeneration charging system for electric bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1473727A CN1473727A (en) | 2004-02-11 |
| CN1209255C true CN1209255C (en) | 2005-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031080243A Expired - Fee Related CN1209255C (en) | 2003-05-14 | 2003-05-14 | Energy regeneration charging system for electric bicycle |
Country Status (1)
| Country | Link |
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| CN (1) | CN1209255C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4367391B2 (en) * | 2005-09-01 | 2009-11-18 | トヨタ自動車株式会社 | Charge control device and electric vehicle |
| CN101332774B (en) * | 2008-08-06 | 2010-07-28 | 山东理工大学 | Automobile brake energy regeneration control method |
| CN102294951A (en) * | 2010-06-23 | 2011-12-28 | 昆山巩诚电器有限公司 | Twin-drive system for electromobile |
| CN102946219B (en) * | 2012-11-05 | 2014-04-16 | 苏州汇川技术有限公司 | Motor drive system and energy feedback brake control method of motor drive system |
| CN106301140B (en) * | 2016-10-20 | 2021-02-05 | 重庆乔麦科技有限公司 | Four-phase motor energy-saving circuit |
| CN111134577B (en) * | 2020-01-03 | 2021-08-24 | 北京石头世纪科技股份有限公司 | Fan control method and system |
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2003
- 2003-05-14 CN CNB031080243A patent/CN1209255C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1473727A (en) | 2004-02-11 |
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Granted publication date: 20050706 Termination date: 20100514 |