CN1209254C - Energy regeneration auxiliary power for electric bicycle - Google Patents
Energy regeneration auxiliary power for electric bicycle Download PDFInfo
- Publication number
- CN1209254C CN1209254C CNB031080219A CN03108021A CN1209254C CN 1209254 C CN1209254 C CN 1209254C CN B031080219 A CNB031080219 A CN B031080219A CN 03108021 A CN03108021 A CN 03108021A CN 1209254 C CN1209254 C CN 1209254C
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- CN
- China
- Prior art keywords
- motor
- battery
- storage battery
- driving governor
- driving controller
- 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
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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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- 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
- Y02T10/72—Electric energy management in electromobility
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- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention discloses an auxiliary power supply for energy regeneration for motor-driven bicycles. The present invention comprises a motor, a main accumulator and an additionally arranged auxiliary battery, wherein the auxiliary battery and the main accumulator are connected in parallel, a driving controller is connected between the motor and the main accumulator, the horse power part of the driving controller is a three-phase inversion bridge relative to a permanent magnet brushless DC motor, and the horse power part of the driving controller is a half-bridge structure relative to a permanent magnet brush DC motor; the main accumulator is connected with the driving controller by a switch S1, and the auxiliary battery is connected with the driving controller by a switch S2; electric energy recovered by the regenerative braking of the motor is used for charging the auxiliary battery through the driving controller; therefore, the charging does not need DC/DC voltage reduction; because auxiliary devices have low power consumption, the auxiliary battery can be basically charged by means of the regenerative braking of the motor. The present invention omits a DC/DC voltage reducing device in the driving system, and in addition, the road mileage by once charging for motor-driven bicycles is increased because the regenerative braking feedback energy is effectively utilized.
Description
Technical field
The invention belongs to Electrical Bicycle Drive Control Technique field, further can be applied to elec. vehicle drive controlling fields such as electro-tricycle, battery-operated motor cycle.Relate to a kind of Electrical Bicycle energy regeneration accessory feed.
Background technology
At present, the Electrical Bicycle driving control system is made up of storage battery, motor and driving governor.Storage battery simultaneously provides the energy to motor and accessory equipment, and for example lamp, sensor, and the required power supply of controller utilize special charger that storage battery is charged, and storage battery adopts maintenance-free lead accumulator or Ni-MH battery etc. more.Behind the vehicle ' certain distance, battery tension charges a battery when dropping to certain lower limit.Because the accessory equipment operating voltage is lower than the motor rated voltage, battery tension press the configuration of motor required voltage, so storage battery supply with accessory equipment after need passing through the DC/DC step-down, as shown in Figure 1.
Summary of the invention
The object of the present invention is to provide a kind of Electrical Bicycle energy regeneration accessory feed, its characteristics are: except the main battery that motor moves the required energy is provided, and the interface circuit that also is provided with a boosting battery and forms by relay S1 and S2.
Characteristics of the present invention also are: boosting battery is connected with the accessory equipment direct current, to the accessory equipment power supply, when vehicle brake and descending, utilizes the electric energy that regenerative brake reclaimed of motor to charge.
Electrical Bicycle energy regeneration accessory feed of the present invention comprises motor, main storage battery, and main storage battery provides motor to move the required energy, and its voltage is pressed the configuration of motor rated voltage; Also comprise a boosting battery that is provided with in addition, wherein, boosting battery and accessory equipment direct connection, directly power to accessory equipment, auxiliary battery voltage is chosen by the accessory equipment operating voltage, also is connected with a driving governor between motor and main storage battery, and the driving governor power section is a three phase inverter bridge for permanent-magnet brushless DC electric machine, for the permanent magnet brush DC machine, its power section is a half-bridge structure; Main storage battery is connected by switch S 1 with driving governor, boosting battery is connected by switch S 2 with driving governor, according to car brakeing, normally move different running statees, shutoff and the conducting state of automatic switchover relay S1, relay S2, the electric energy that the motor regenerative brake is reclaimed charges to boosting battery by driving governor.
Because main battery is connected by relay S1 with driving governor, boosting battery is connected by relay S2 with driving governor, boosting battery and accessory equipment direct connection.Main battery provides motor to move the required energy, and its voltage is pressed the configuration of motor rated voltage; Auxiliary battery voltage is chosen by the accessory equipment operating voltage, does not therefore need the step-down through DC/DC, directly powers to accessory equipment.
When vehicle normally moves, relay S1 conducting, relay S2 turn-offs, and main battery provides motor to move the required energy by S1 and driving governor, and boosting battery is directly to the accessory equipment power supply, and two cover circuit are independent fully.
During car brakeing, relay S1 is turn-offed, relay S2 conducting, as shown in Figure 4.Because car brakeing does not need main battery to power to motor, and the main battery feed circuit are cut off.Machine operation is in the electrical generator operating mode constantly for this, and the motor regenerated energy is reclaimed by boosting battery by relay S2, and powers to accessory equipment.In addition, relay S1 turn-offs, and cuts off the electrical link of main battery and motor, guarantees that feedback energy charges to boosting battery.
Because the accessory equipment power consumption is less, so the regenerative brake of motor can satisfy the charging of boosting battery basically, so just do not need to be equipped with in addition special charger.Driving governor utilizes the electric energy drive motor in the power accumulator when the Electrical Bicycle cruising, and then the driving bicycle advances; When vehicle brake and descending, make machine operation in the electrical generator operating mode, the gravitional force loss when kinetic energy during with bicycle running and descending is converted into electric energy and is stored in the subsidiary battery, provides accessory equipment the required energy.
The present invention can save the DC/DC dropping equipment in the drive system, because the low capacity lead-acid storage battery is cheap, has therefore reduced the vehicle cost; Owing to make the energy of regenerative brake feedback obtain effective utilization, therefore when the raising Electrical Bicycle once charges travelled distance, also save the energy; In addition, owing to adopted the regenerative brake of motor, therefore reduced the wearing and tearing of mechanical brake part, prolonged the life-span of Electrical Bicycle, brake noise also decreases simultaneously; Improve the Electrical Bicycle technology content, enhance one's market competitiveness.
Description of drawings
Fig. 1 is an Electrical Bicycle drive system schematic diagram;
Fig. 2 is the Electrical Bicycle drive system schematic diagram that has accessory feed;
Fig. 3 is the direction of current scheme drawing of Electrical Bicycle when being in normal working;
Fig. 4 is the direction of current scheme drawing of Electrical Bicycle when being in regenerative brake;
Fig. 5 is the direction of current scheme drawing when power device turn-offs under the permanent-magnet brushless DC electric machine regenerative brake state;
Fig. 6 is the direction of current scheme drawing during the power device conducting under the permanent-magnet brushless DC electric machine regenerative brake state.
The specific embodiment
The embodiment that provides below in conjunction with accompanying drawing and contriver.The present invention is described in further detail.
The present invention is a kind of later-model Electrical Bicycle energy storing mode, and promptly main battery provides motor to move the required energy, and its voltage is pressed the configuration of motor rated voltage; Other disposes a subsidiary battery, and this battery directly is connected with accessory equipment, and its voltage is chosen by the accessory equipment operating voltage, does not therefore need the step-down through DC/DC, directly to the accessory equipment power supply, as shown in Figure 2.
Because the accessory equipment power consumption is less, so the regenerative brake of motor can satisfy the charging of boosting battery basically, so just do not need to be equipped with in addition special charger.Driving governor utilizes the electric energy drive motor in the power accumulator when the Electrical Bicycle cruising, and then drives bicycle and advance, and boosting battery is powered to accessory equipment, and two cover circuit are isolated fully; When vehicle brake and descending, make machine operation in the electrical generator operating mode, the gravitional force loss when kinetic energy during with bicycle running and descending is converted into electric energy and is stored in the subsidiary battery, provides accessory equipment the required energy.
The present invention is suitable for for the Electrical Bicycle that adopts multiple motor, storage battery, driving governor power device.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 driving governor power device can adopt GTR (power transistor), MOSFET (Metal-oxide-semicondutor type field effect transister), IGBT (insulated gate bipolar transistor), GTO (gate turn off thyristor).
During the vehicle normal operation, relay S1 conducting, relay S2 turn-offs, as shown in Figure 3.At this moment, main battery is powered to motor by relay S1, and boosting battery to the accessory equipment power supply, is not electrically connected separately between the two;
During car brakeing, relay S1 is turn-offed, relay S2 conducting, as shown in Figure 4.At this moment, because car brakeing does not need main battery to power to motor, machine operation is in the electrical generator operating mode simultaneously, and the motor regenerated energy is reclaimed by boosting battery by relay S2, and powers to accessory equipment.In addition, relay S1 turn-offs, and cuts off the electrical link of main battery and motor, guarantees that feedback energy charges to boosting battery.
Embodiment:
Motor adopts 3 phase permanent-magnet brushless DC machine, and power accumulator adopts lead-acid storage battery, and the driving governor power device adopts the Electrical Bicycle of IGBT, and the direction of current when being in a certain moment of regenerative brake is shown in Fig. 5,6.
Among the figure, Ub1 represents main battery voltage, and Ub2 represents auxiliary battery voltage, and S1, S2 are relay, and 6 power switchs of electric machine controller are represented in VT1～6, VD1～6 expression and antiparallel 6 diodes of power switch.
In arbitrary moment of vehicle operating, the open and close state of each power switch is decided by the motor rotor position of this moment, accompanying drawing 5 is depicted as works as car brakeing, and power switch 4 is in the direction of current under the conducting state, and this moment is because the existence of rotor winding counter electromotive force is risen loop current; When power switch 4 turn-offed, because the existence of winding inductance makes diode VD1 conducting, direction of current charged to boosting battery by switch S 2 as shown in Figure 7.
Claims (4)
1. an Electrical Bicycle energy regeneration accessory feed comprises motor, main storage battery, and main storage battery provides motor to move the required energy, and its voltage is pressed the configuration of motor rated voltage; Also comprise a boosting battery that is provided with in addition, it is characterized in that, boosting battery and accessory equipment direct connection, directly power to accessory equipment, auxiliary battery voltage is chosen by the accessory equipment operating voltage, also is connected with a driving governor between motor and main storage battery, and the driving governor power section is a three phase inverter bridge for permanent-magnet brushless DC electric machine, for the permanent magnet brush DC machine, its power section is a half-bridge structure; Main storage battery is connected by switch S 1 with driving governor, boosting battery is connected by switch S 2 with driving governor, according to car brakeing, normally move different running statees, shutoff and the conducting state of automatic switchover relay S1, relay S2, the electric energy that the motor regenerative brake is reclaimed charges to boosting battery by driving governor.
2. Electrical Bicycle energy regeneration accessory feed 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.
3. Electrical Bicycle energy regeneration accessory feed 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.
4. Electrical Bicycle energy regeneration accessory feed as claimed in claim 1 is characterized in that, described motor is permanent-magnet brushless DC electric machine or permanent magnet brush DC machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031080219A CN1209254C (en) | 2003-05-14 | 2003-05-14 | Energy regeneration auxiliary power for electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031080219A CN1209254C (en) | 2003-05-14 | 2003-05-14 | Energy regeneration auxiliary power for electric bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1473726A CN1473726A (en) | 2004-02-11 |
| CN1209254C true CN1209254C (en) | 2005-07-06 |
Family
ID=34152311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031080219A Expired - Fee Related CN1209254C (en) | 2003-05-14 | 2003-05-14 | Energy regeneration auxiliary power for electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1209254C (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101499673B (en) * | 2009-02-27 | 2011-07-27 | 天津清源电动车辆有限责任公司 | Multifunctional integrated charger for electric automobile having compensation charging function |
| CN102190058A (en) * | 2010-03-05 | 2011-09-21 | 曾燕明 | Electric bicycle circuit with composite charging function |
| CN104149644B (en) * | 2014-08-12 | 2017-10-24 | 韩旭峰 | Electric car is general to increase process control system and method |
| CN104691340A (en) * | 2014-12-29 | 2015-06-10 | 刘彩凤 | Electric bicycle capable of generating power |
| CN105226748A (en) * | 2015-09-22 | 2016-01-06 | 上海斐讯数据通信技术有限公司 | The electric current recovery method of a kind of electronic equipment and application thereof |
| CN106451676A (en) * | 2016-11-29 | 2017-02-22 | 南京九致信息科技有限公司 | Vehicular charging system for electric tool |
| CN107261276B (en) * | 2017-06-29 | 2020-08-11 | 天津怡和嘉业医疗科技有限公司 | Heating system of breathing machine and breathing machine |
| CN109910639A (en) * | 2019-03-18 | 2019-06-21 | 北京动力源新能源科技有限责任公司 | A kind of motor driven systems and a kind of new-energy automobile |
| CN110239354A (en) * | 2019-05-07 | 2019-09-17 | 江苏大学 | A kind of Passive serial composite power source brake energy recovering system |
-
2003
- 2003-05-14 CN CNB031080219A patent/CN1209254C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1473726A (en) | 2004-02-11 |
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Granted publication date: 20050706 Termination date: 20100514 |