CN101521442A - Electric generator and electric bicycle using same - Google Patents
Electric generator and electric bicycle using same Download PDFInfo
- Publication number
- CN101521442A CN101521442A CN200810081631A CN200810081631A CN101521442A CN 101521442 A CN101521442 A CN 101521442A CN 200810081631 A CN200810081631 A CN 200810081631A CN 200810081631 A CN200810081631 A CN 200810081631A CN 101521442 A CN101521442 A CN 101521442A
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- generator
- rotor
- external rotor
- electric bicycle
- driven wheel
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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
- Y02T10/64—Electric machine technologies in electromobility
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides an electric generator and an electric bicycle using same; wherein the electric generator comprises a shell fixed on a bicycle frame, an outer rotor arranged inside the shell, and an inner rotor arranged inside the outer rotor; the shell has two drive gears that are rotatablely connected with a crank transmission shaft of the bicycle inside, wherein the outer rotor drive gear drives the rotation of the outer rotor through an outer rotor actuating mechanism, and the inner rotor drive gear drives the rotation of the inner rotor in a relatively opposite direction of the outer rotor rotation direction through an inner rotor actuating mechanism, thus leading the outer rotor and the inner rotor to rotate in relatively opposite direction; and electricity generated by the electric generator is transmitted to an electric motor through a circuit, and the electric motor drives the bicycle to advance. Under the magnetic flux-invariable situation, the drive moment and the drive speed of the electric generator are correspondingly lowered, thus leading riders to consume less physical strength and avoiding the usage of storage batteries.
Description
Technical field
The present invention relates to technical field of transportation means, particularly a kind of generator and the electric bicycle that uses this generator.
Background technology
Along with improving constantly of living standard and quality, people are also improving the degree of concern of quality of life and operating efficiency when Li Duocai life is dazzled in enjoyment.Atmosphere quality, specialized vocabularies such as carbon dioxide and greenhouse gas emission have become the common people's pet phrase.Therefore can imagine that people are to the attention degree of quality of life " the present canot compare with the past ".In addition the continual renovation operating efficiency along with the vehicles also obviously improves, and the people's activities radius continues to enlarge, thereby impels people's amount of information and quality of life to improve rapidly.
As everyone knows, the use amount of modern transportation instrument automobile develops as " blowout ", and emission of automobile wastes and traffic congestion become makes us the social concern of " headache ", therefore " reduction of discharging " and " health " become the cardinal task that people are concerned about.The bicycle invention of 19th century has obtained fast development in 20th century.Also enlarge the scope that people go on a journey when bringing convenience to people's trip, enriched people's life, promoted social progress.The nineties in 20th century, electric bicycle entered people's life, " but new things " are often one double-edged sword, people enjoy that electric bicycle brings higher go out line efficiency and bigger radius of action in, it is found that the capacity of storage battery and the weight of storage battery are directly proportional, big more its deadweight of the capacity of storage battery is also big more, owing to be subjected to the restriction of storage battery deadweight, the electric bicycle radius that travels can't infinitely enlarge, and " storage battery " itself consumed very macro-energy.Again because heavy metal and strong acid that a large amount of uses of storage battery cause pollution, the especially materials such as " plumbic acids " of environment to cause pollute.Add factors such as the restriction of charging times of storage battery and life-span, make the operating cost relative proper motion car of electric bicycle " remain high ".Because the bad performance of storage battery, electric bicycle is had a greatly reduced quality in the in the eyes of status of people, though there are all places not fully up to expectations in electric bicycle, yet from the popularity rate and the owning amount of electric bicycle, the walking-replacing tool of high efficiency low price meets the demand of civilian traffic instrument development.
Be subjected to the constraint of traditional idea, the electric bicycle with generator is unidirectional drive stator or rotor rotation at present, and in other words: two kinds of selections are arranged, and a kind of is that stator maintains static, and rotor is driven rotary electrification by external force; Another kind is " external-rotor-type ", and the original rotor that rotates maintains static former " stator " rotation that fixes.No matter employing is which kind of mode, all do not change the pattern of unidirectional drive, this traditional electric generator structure has a weakness, be exactly owing to adopt the unidirectional drive pattern, require rotor to come the cutting magnetic line generating with very high rotary speed.So generator need be through the driving mechanism of multi-stage acceleration gear, and driving moment increases, and has also increased the energy loss of intermediate link.
Summary of the invention
The objective of the invention is to the electric bicycle that proposes a kind of novel electricity generator and use this generator, can drive the chain drive trailing wheel and rotate this conventional ADS driving mode and keep on the basis of basic function such as efficient convenient keeping manpower, traditional electric bicycle is improved with generator, obtain a kind of new and effective generator, driving the electricity that this low-speed generator sends by manpower draws and is input in the circuit through brush, be sent to motor via circuit again, the motor driven bicycle advances, and change the rotating speed of drive motors, thereby change the gait of march of electric bicycle by frequency variant speed regulating circuit.
In view of above-mentioned purpose, the invention provides a kind of generator that is used for electric bicycle, comprise the shell that is fixed on the cycle frame; External rotor is installed in the described shell; Internal rotor is installed in the described external rotor; Has the driven wheel that two crank gearing axles with bicycle are rotationally connected in the described shell, wherein the external rotor driven wheel drives described external rotor rotation by the external rotor transmission mechanism, the internal rotor driven wheel drives described internal rotor with respect to the rotation of the rotation direction reversed of external rotor by the internal rotor transmission mechanism, makes the relative reverse rotation with internal rotor of described external rotor.Just because of this, under the constant situation of magnetic flux, the corresponding reduction of generator drive moment and actuating speed; The motion of pedal passes to each driven wheel in the shell via the crank gearing axle, drives the relative reverse rotation with internal rotor of external rotor by transmission mechanism respectively again, thereby drives generator.Described transmission mechanism can be gear drive, and a side is with belt transmission or chain drive.
As preferably, described driven wheel is rotationally connected via one-way clutch and crank gearing axle respectively.
As preferably, be provided with permanent magnetic material in the described external rotor, described internal rotor is made up of rotor core and coil; Perhaps, be provided with permanent magnetic material in the described internal rotor, described external rotor is made up of rotor core and coil.
As preferably, described generator has brush and collector ring, and collector ring is installed on the axle of internal rotor, is connected and extends to the outside of external rotor with described coil, and brush is installed on the described shell.
As preferably, described external rotor has flywheel.
The present invention also provides a kind of electric bicycle, comprises front-wheel, trailing wheel, and the direction controller of connection front-wheel, pedal, crank, generator and motor, the power transmission shaft of generator and crank is rotationally connected, and generator comprises the shell that is fixed on the cycle frame; External rotor is installed in the described shell; Internal rotor is installed in the described external rotor; Has the driven wheel that two crank gearing axles with bicycle are rotationally connected in the described shell, wherein the external rotor driven wheel drives described external rotor rotation by the external rotor transmission mechanism, the internal rotor driven wheel drives described internal rotor with respect to the rotation of the rotation direction reversed of external rotor by the internal rotor transmission mechanism, makes the relative reverse rotation with internal rotor of described external rotor; Generator produces electrically communicate to motor, and the motor driven bicycle advances.
As preferably, the electricity that described generator produces is drawn and is input in the circuit through brush, is sent to motor via circuit again.Circuit comprises DC-DC translation circuit (DC-to-DC translation circuit), frequency variant speed regulating circuit, control circuit and overload protecting circuit, and the rotating speed of motor is controlled by frequency variant speed regulating circuit.
Described electric bicycle also includes and relies on manpower to drive the chain drive trailing wheel to rotate the traditional type of drive of this bicycle, and the cyclist can be chosen in traditional chain by arrangement of clutch and drive between the type of drive of trailing wheel and the type of drive that generator for electricity generation is defeated by the motor drives trailing wheel and switch.
But the electric bicycle of body-building provided by the invention is compared with traditional electric bicycle, the present invention becomes distinctive double-deck interaction structure with the rotor design of generator, the current-collector of generator is extended to the generator outside, original " stator and rotor " is combined into the rotor that rotates in opposite directions.Circuit design and Design of Mechanical Structure have been optimized like this, rider pedals pedal and crank, driving " stator and rotor " is combined in opposite directions rotor rotated combined power generation machine and makes power supply, when keeping " stator and rotor " relative rotational be higher, reduce the gear of transmission, the actuating force when reducing the driving mechanism input is optimized Drive Structure, reduce the actuating force distance, reduce cyclist's physical demands.Realize the cancellation storage battery simultaneously; reduced the weight of body-building electric bicycle; eliminated the tired brain of charging repeatedly, pollution abatement is raised the efficiency and scope of activities; enlarged operating range; the mode of riding that has kept bicycle, cleaning, efficient, green, environmental protection, and the health of having exercised has been protected environment again; can be described as the green traffic instrument, meet the electric bicycle developing direction.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.For the person of ordinary skill in the field, from detailed description of the invention, above-mentioned and other purposes of the present invention, feature and advantage will be apparent.
Description of drawings
Fig. 1 is the schematic diagram of the electric bicycle of a preferred embodiment of the present invention.
Fig. 2 is the profile of the generator of a preferred embodiment of the present invention.
Fig. 3 is the profile of the generator of another preferred embodiment of the present invention.
Fig. 4 A and 4B are that the gear of generator shown in Figure 2 is connected and kind of drive figure.
Fig. 5 A and 5B are that the gear of generator shown in Figure 3 is connected and kind of drive figure.
Embodiment
Below in conjunction with the drawings and specific embodiments to generator of the present invention and use the electric bicycle of this generator to be described in further detail.
As shown in Figure 1, the electric bicycle 1 of a preferred embodiment of the present invention has front-wheel 14, trailing wheel 15, connects the direction controller 12 of front-wheel 14, vehicle seat 13, pedal 161,162, dual input gear 17, hinge 18, composite combined rotor generator 2.Composite combined rotor generator 2 is positioned at the middle part of bicycle 1, all is positioned at shell 20 with the motor (not shown), and the gear drive that is acted on pedal 161,162 connects, and connected mode is not limit.
The generator of a preferred embodiment of the present invention such as Fig. 2, Fig. 4 A, shown in the 4B, comprise shell 20, have two in the shell 20 respectively via one-way clutch 36,38 driven wheels 39,32 that are rotationally connected with the power transmission shaft 37 of crank 191,192, pedal 162 is connected external rotor driven wheel 39 by crank 192 with power transmission shaft 37, wherein an end of power transmission shaft 37 navigates to shell 20 by bearing 352, pedal 161 is connected internal rotor driven wheel 32 by crank 191 with power transmission shaft 37, and wherein the other end of power transmission shaft 37 navigates to shell 20 by bearing 351; External rotor driven wheel 39 passes through tumbler gear 25 transmissions with external rotor input gear 241, and internal rotor driven wheel 32 directly meshes with internal rotor input gear 34, shown in Fig. 4 A and 4B.With the motion of pedal, the coil 21 that internal rotor input gear 34 drives is imported the permanent magnetic material 22 relative reverse rotations that gear 241 drives with external rotor, and coil 21 is positioned at permanent magnetic material 22 inside.Be connected with collector ring 28 between internal rotor input gear 34 and the generator casing 20, brush 27 moves on collector ring 28, and spring 26 is arranged on the collector ring 28.
The motion of pedal 161,162 is via the power transmission shaft and the one-way clutch 36 of crank 191,192,38 pass to driven wheel 32,39, driven wheel 32 drives internal rotor input gear 34 and rotates, driven wheel 39 drives tumbler gear 25 and rotates, and drives external rotor input gear 241 relative internal rotor input gear 34 backward rotation then.External rotor input gear 241 drives permanent magnetic material 22 and rotates, and internal rotor input gear 34 drives coil 21 and rotates, thereby makes coil 21 and permanent magnetic material 22 relative backward rotation, thereby reaches the purpose of cutting magnetic line generating.The electricity that produces by generator via the DC-DC circuit in the circuit board 33 improve, burning voltage, then be sent to the motor (not shown), drive bicycle and advance, be reached for the purpose that bicycle provides power.Simultaneously, the speed of motor is controlled by frequency variant speed regulating circuit.
Generator 2 herein can adopt high efficiency slow-revving " rare earth alloy " generator, per minute 500 changes just can satisfy the generating requirement, owing to adopt the input of both-end power, coil 21 and permanent magnetic material 22 relative backward rotation, so the moment of input is less relatively, but riding speed per minute 50 circles are normal power generation just, and suitable with the physical efficiency that consumes by bike, efficient obviously improves.
The generator of another preferred embodiment of the present invention is shown in Fig. 3, Fig. 5 A, 5B, compare with generator shown in Figure 2, difference is not have external rotor input gear 241 and tumbler gear 25, but replace by external rotor sprocket wheel or belt 242, external rotor driven wheel 39 is connected with external rotor sprocket wheel or belt 242, drives permanent magnetic material 22 rotations.At this moment, with the motion of pedal, the permanent magnetic material 22 that external rotor sprocket wheel or belt 242 drive is imported the coil 21 relative reverse rotations that gear 34 drives with internal rotor.
The material of external rotor can be permanent magnetic material in the generator, for example magnet steel, rare earth alloy, and the internal rotor in the generator is a coil; Perhaps the external rotor in the generator is a coil, and the internal rotor in the generator is a permanent magnetic material, for example magnet steel, rare earth alloy.
The above is preferred embodiment of the present invention only, is not to be used for limiting practical range of the present invention; If do not break away from the spirit and scope of the present invention, the present invention is made amendment or is equal to replacement, all should be encompassed in the middle of the protection range of claim of the present invention.
Claims (14)
1, a kind of generator that is used for electric bicycle comprises
Be fixed in the shell (20) on the cycle frame;
External rotor is installed in the described shell (20);
Internal rotor is installed in the described external rotor;
It is characterized in that,
Has the driven wheel (39 that two crank gearing axles (37) with bicycle are rotationally connected in the described shell (20), 32), wherein external rotor driven wheel (39) drives described external rotor rotation by the external rotor transmission mechanism, internal rotor driven wheel (32) drives the rotation direction reversed rotation of described internal rotor with respect to external rotor by the internal rotor transmission mechanism, make the relative reverse rotation of described external rotor, thereby drive generator with internal rotor.
2, the generator that is used for electric bicycle according to claim 1, it is characterized in that described external rotor transmission mechanism comprises tumbler gear (25) and is positioned at the external rotor input gear (241) of external rotor one end, external rotor driven wheel (39) passes to external rotor input gear (241) to rotation by tumbler gear (25), thereby driving external rotor and external rotor driven wheel (39) rotate in the same way.
3, the generator that is used for electric bicycle according to claim 1 is characterized in that described external rotor transmission mechanism is that belt connects, and external rotor driven wheel (39) rotates with belt drives external rotor and its in the same way by a side.
4, the generator that is used for electric bicycle according to claim 1 is characterized in that described external rotor transmission mechanism is that chain connects, and external rotor driven wheel (39) rotates in the same way by chain drive external rotor and its.
5, the generator that is used for electric bicycle according to claim 1, it is characterized in that described internal rotor transmission mechanism comprises the internal rotor input gear (34) that is positioned at internal rotor one end, internal rotor driven wheel (32) and internal rotor input end gear (34) engagement, thus drive internal rotor and the relative reverse rotation of internal rotor driven wheel (32).
6, the generator that is used for electric bicycle according to claim 1 is characterized in that described driven wheel (39,32) is rotationally connected via one-way clutch (36,38) and crank gearing axle (37) respectively.
7, the generator that is used for electric bicycle according to claim 1 is characterized in that being provided with in the described external rotor permanent magnetic material (22), and described internal rotor is made up of rotor core and coil (21).
8, the generator that is used for electric bicycle according to claim 1 is characterized in that being provided with in the described internal rotor permanent magnetic material (22), and described external rotor is made up of rotor core and coil (21).
9,, it is characterized in that described permanent magnetic material (22) is magnet steel or rare earth alloy according to arbitrary described generator that is used for electric bicycle in claim 7 and 8.
10, the generator that is used for electric bicycle according to claim 1, it is characterized in that described generator has brush (27) and collector ring (28), described collector ring (28) is installed on the axle of internal rotor, be connected and extend to the outside of external rotor with described coil (21), brush is installed on the described shell (20).
11, the generator that is used for electric bicycle according to claim 1 is characterized in that described external rotor has flywheel (31).
12, a kind of electric bicycle comprises front-wheel (14), trailing wheel (15), the direction controller (12) that connects front-wheel (14), pedal (161,162), crank (191,192), generator (2) and motor, generator (2) and crank (191,192) power transmission shaft (37) is rotationally connected, and it is characterized in that, what described generator (2) adopted is according to arbitrary described generator among the claim 1-11, generator produces electrically communicate to motor, and the motor driven bicycle advances.
13, electric bicycle according to claim 12 is characterized in that the electricity of described generator generation is drawn and is input in the circuit through brush, is sent to motor via circuit again.
14, electric bicycle according to claim 13 is characterized in that described generator comprises DC-DC translation circuit, frequency variant speed regulating circuit, control circuit and overload protecting circuit to the circuit of motor, and the rotating speed of motor is controlled by frequency variant speed regulating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100816315A CN101521442B (en) | 2008-02-27 | 2008-02-27 | Electric generator and electric bicycle using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100816315A CN101521442B (en) | 2008-02-27 | 2008-02-27 | Electric generator and electric bicycle using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101521442A true CN101521442A (en) | 2009-09-02 |
| CN101521442B CN101521442B (en) | 2012-07-11 |
Family
ID=41081859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100816315A Expired - Fee Related CN101521442B (en) | 2008-02-27 | 2008-02-27 | Electric generator and electric bicycle using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101521442B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920759A (en) * | 2010-08-11 | 2010-12-22 | 颜金龙 | Pure self-generating environment-friendly electric bicycle without battery |
| CN104218732A (en) * | 2013-06-05 | 2014-12-17 | 岳军 | Exercising power generator with one-way clutch device |
| CN110545049A (en) * | 2019-09-12 | 2019-12-06 | 长春工业大学 | Inertia wheel energy storage type friction nano generator based on differential transmission multi-sleeve structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1187707A (en) * | 1997-12-08 | 1998-07-15 | 龚德明 | Bicycle driving generator device and generator |
| GB2334154B (en) * | 1998-02-02 | 2000-04-05 | Inventive Step Limited | Electricity generation for pedalled vehicles |
| CN200988545Y (en) * | 2006-12-29 | 2007-12-12 | 胡国文 | Power saving electric vehicle |
-
2008
- 2008-02-27 CN CN2008100816315A patent/CN101521442B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920759A (en) * | 2010-08-11 | 2010-12-22 | 颜金龙 | Pure self-generating environment-friendly electric bicycle without battery |
| CN104218732A (en) * | 2013-06-05 | 2014-12-17 | 岳军 | Exercising power generator with one-way clutch device |
| CN110545049A (en) * | 2019-09-12 | 2019-12-06 | 长春工业大学 | Inertia wheel energy storage type friction nano generator based on differential transmission multi-sleeve structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101521442B (en) | 2012-07-11 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20120711 Termination date: 20180227 |