CN1168019A - Generator for cycles - Google Patents

Generator for cycles Download PDF

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Publication number
CN1168019A
CN1168019A CN97103726A CN97103726A CN1168019A CN 1168019 A CN1168019 A CN 1168019A CN 97103726 A CN97103726 A CN 97103726A CN 97103726 A CN97103726 A CN 97103726A CN 1168019 A CN1168019 A CN 1168019A
Authority
CN
China
Prior art keywords
generator
stator
electric power
insulating disc
main body
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.)
Pending
Application number
CN97103726A
Other languages
Chinese (zh)
Inventor
金润国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CN1168019A publication Critical patent/CN1168019A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K21/00Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62JCYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J6/00Arrangement of optical signalling or lighting devices on cycles; Mounting or supporting thereof; Circuits therefor
    • B62J6/06Arrangement of lighting dynamos or drives therefor
    • B62J6/12Dynamos arranged in the wheel hub
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225Terminal boxes or connection arrangements
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/04Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18Structural association of electric generators with mechanical driving motors, e.g. with turbines

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

Disclosed is a bicycle electric generator which is arranged on the front wheel hub of a bicycle. Electric power is generated by the generator and transmitted to a bulb; and the surplus power is stored in a capacitor. The generator does not directly contact with the tire. For stable electric power is supplied to headlight by the generator through a voltage stabilizer, light beam with stable illumination level can be scattered on ground by the bulb without overload. So expected service life of the bulb can be prolonged.

Description

Generator for cycles
The present invention relates generally to be installed on the no motor bicycle, on two-wheel bicycle or tricycle, be used for generator to bicycle headlight supply electric power, be particularly related to the improvement in this generator, this kind generator produces electric power when promoting pedal, and dump power is stored in the capacitor, like this, even when bicycle stops, also can light electric light, thereby the user is caused conveniently, and prolong the life expectancy of lamp.
In the prior art, the generator for cycles of a low capacity is installed on the framework of bicycle, and it has a swivelling cover that can carry out CONTACT WITH FRICTION selectively with the bicycle pneumatic tire.The rotor of swivelling cover rotating generator, thus electric power produced, and at night by bike the time, light is scattered on the way.Also promptly, foot-treadle when the user contacts the generator swivelling cover with tire when, generator amature is rotated, and converts the revolving force of wheel to electric power.Like this, when by bike,, light is scattered on the way headlight supply electric power.
But the problem of above-mentioned generator is, has only when generator swivelling cover and tire carry out CONTACT WITH FRICTION, and user's foot pedal could produce electric power.Like this, at night by bike the time, because continuous foot pedal, generator is easy to make the user to feel tired.When the user was slowed down pedal, the electric power that generator produces was less than bulb is driven desired electric power.At this moment, the illumination of lamp is lowered, and stops the user fully to see the front region of bicycle, thereby causes accident by bike the time at night sometimes.
Meanwhile, when the user accelerated pedal, because the electric power that generator produces surpasses the electric power that bulb requires, bulb may transship.At this moment, the expected service life of bulb shortens, and causes bulb to need to change with new bulb continually.
Another problem of above-mentioned generator is that only when user's pedal, generator is just to bulb supply electric power.Therefore, the user must carry flashlight, so as night when bicycle stops, being used to illuminate the zone around the bicycle or consulting a map.
Therefore, the objective of the invention is to propose a kind of generator for cycles, the problems referred to above can be overcome in this generator for cycles, and at night by bike the time, can be to bicycle headlight supply constant current, thereby make bulb be able on the road surface, scatter light with constant illuminance, and stop bulb to transship, thereby prolonged the expected service life of bulb, dump power can also be stored in the capacitor, and thereby the electric power of storing to the bulb supply is when bicycle pauses, is convenient to throw light on regional around the bicycle or consult a map of user.
For finishing above-mentioned purpose, the generator for cycles that the present invention proposes comprises the generator main body that is arranged on the cycle wheel wheel hub.In this generator main body, coil stator is fixedly mounted on the wheel shaft.Cylindrical rotor is connected the inwall of wheel hub framework, and to be formed at the annular gap between stator and the rotor, is installed in rotation on the stator.But the rotor relative stator is rotated, thereby causes that stator sends electric power.The generator main body also comprises the transmitting device that electric power is transferred to the external side of generator main from stator, the bearing arrangement that the support cage framework rotates relative to axle, with the clamping nut, be used for bearing arrangement is fixed in its position on axle, thereby rotationally the wheel hub framework be clamped on the axle.Generator also comprises pressurizer, and it receives the electric power that the generator main body is sent by power transmission device, and in stable power, applies electric power to the bicycle headlight.Capacitor is connected to pressurizer, stores remaining electric power, and when the generator main body is not moved, supplies remaining electric power to headlight.
Above-mentioned and other purpose, feature and other advantage of the present invention will be obtained understanding more clearly by following detailed description in conjunction with the accompanying drawings, wherein:
Fig. 1 is the sectional view of the generator for cycles structure of embodiment of the invention proposition;
Fig. 2 is the part decomposition diagram of part " A " structure of generator among Fig. 1;
Fig. 3 is the block diagram of the electric generator structure of invention proposition;
Fig. 4 is the sectional view of the electric generator structure of another embodiment of the present invention proposition;
Fig. 5 is the part decomposition diagram of the electric generator structure of further embodiment of this invention proposition;
Fig. 6 a and 6b are the perspective views as the moving coil body of generator amature among Fig. 5.
Fig. 1 is the sectional view of the generator for cycles structure of first embodiment of the invention proposition.Fig. 2 is the part decomposition diagram of part " A " structure among Fig. 1.Fig. 3 is the block diagram of the electric generator structure of invention proposition.As shown in the figure, the generator 1 of this invention is arranged on the wheel hub 100 of bicycle front-wheel.In generator 1, coil stator 3 axially is installed in a side of first insulating disc 10.The above-mentioned dish 10 that is fixedly mounted on the wheel shaft 2 has the isolated hole 10a in several rules ground.In each hole 10a of first insulating disc 10, be provided with first compression helical spring 11 and contact terminal 12 with first.Cylinder type wheel hub framework 5 is assemblied on the axle 2 rotationally, and stator 3 is placed between axle 2 and the framework 5.Two ends with upper frame 5 all become step-like, and have the diameter of increasing, thereby form relative bearing base 6 and 6a, follow crimping, thereby form the spoke clamper.Two cover ball bearings 7 and 7a are set among bearing base 6 and the 6a, and by boss clamping nut 8 and 9 they are correspondingly kept the location.Be screwed in tightly respectively with top nut 8 and 9 on the two ends of axle 2.Because bearing 7 and 7a, wheel hub framework 5 can rotate around axle 2, and coil stator 3 is fixed on the axle 2.The second clamping nut 9 is fixed on the axle 2 in the position of contiguous first insulating disc 10, and has some axial hole 9b.The generator 1 of this invention also has the second and the 3rd insulating disc 17 and 18, and they are installed in the both sides of second nut 9.Above-mentioned dish 17 and 18 has some axially extended pipe 17c and 18b at its opposite side.When dish 17 and 18 was installed in the both sides of second nut 9, every pipe 17c and the pipe 18b that is associated were inserted among the same hole 9b of nut 9 jointly from both sides.More than every pipe 17c and 18b all be hollow, thereby form axial hole 17d, 18c.Cylindrical shape permanent magnet 4 is fixed on the inwall of wheel hub framework 5 in the position of corresponding coil stator, and is used as the rotor of generator 1.
The opposite side fan of second insulating disc 17 is recessed, thereby forms some fan-shaped base 17a.Generator 1 also includes some first contact plates 13,14,15 and 16, and wherein each piece all comes in contact with the terminal 12 that is associated in the one side, and has axial protrusion 13a, 14a, 15a, 16a at opposite side.Above-mentioned contact plate 13 to 16 is placed among the fan-shaped base 17a of dish 17, and at this moment protrusion 13a, 14a, 15a and 16a then are inserted among the respective aperture 17d of dish 17.Second compression helical spring 19 contacts with second among each hole 18c that terminal 20 is inserted into the 3rd insulating disc 18 jointly.The 4th insulating disc 21 has the fan-shaped 21a of some depressions in the one side, and is fixed on the axle 2 at the outer fix place of the 3rd insulating disc 18.Second contact plate 22 has guiding terminal 22a at its outward flange, and is positioned among each fan-shaped 21a that caves in of dish 21.The second contact terminal 20 correspondingly comes in contact with second contact plate 22 that coils 21.
Generator 1 also includes some electric wires 39, and they stretch out from guiding terminal 22a separately.In the said wires 39 one extends to headlight 27 by fuse box 25 and on/off switch 26.All the other electric wires 39 are connected to capacitor 24 jointly by pressurizer 23.Capacitor 24 transfers to be connected with fuse box 25 by an electric wire again.
In the drawings, the front fork of label 28 expression bicycles.Label 29 expressions are fixed to wheel hub 100 on the nut of front fork 28.
The operation effect of above generator 1 will be described hereinafter.
In order to assemble generator 1, first compression helical spring 11 is inserted among the hole 10a of first insulating disc 10.After this, first terminal 12 is inserted among the 10a of hole, thereby spring 11 and stator 3 are come in contact.First contact plate 13 to 16 is placed among the fan-shaped base 17a of second insulating disc 17, protrusion 13a, 14a, 15a and the 16a with plate 13 to 16 is inserted among the respective aperture 17d of dish 17 simultaneously.Second compression helical spring 19 is contacted with second among each hole 18c that terminal 20 is inserted into the 3rd insulating disc 18.After this 4th insulating disc 21 is installed on the axle 2 of the 3rd insulating disc 18 outer fixs, simultaneously second contact plate 22 is placed in the depression fan-shaped 21 of dish 21, and make it to contact terminal 20 generation contacts with second, like this, generator 1 just is assembled into a single object with wheel hub 100.
After this, by nut 29 being screwed onto the two ends of axle 2, above-mentioned wheel hub 100 is arranged on the front fork 28, thereby generator is installed on the front fork 28.
As shown in Figure 3, from lead separately the electric wire 39 that terminal 22a extends out one of contact plate 22, be connected to headlight 27 by fuse box 25 and switch 26.Other electric wire 39 is connected to pressurizer 23 jointly, then is connected to capacitor 24 again.Above-mentioned capacitor 24 is also by being wired to fuse box 25.At this moment, fuse box 25, pressurizer 23, switch 26 and capacitor 24 all have the suitable capacity of not only corresponding generator 1 but also corresponding headlight 27, and are set at the suitable position of box, can not disturb the user when making the user by bike.
As user by bike during pedal, front and rear wheel all rotates.In above state, the stator 3 that is fixed in axle 2 is motionless, and wheel hub framework 5 is then along with rotor or permanent magnet 4 rotate together.
Because rotor or permanent magnet 4 rotate, and this moment, stator 3 was motionless, and both are converted into electric energy to the kinetic energy of the front-wheel that is rotating by stator 3 and rotor 4, thus the generation electrical power.Second contact plate 22 that electrical power contact terminal 20 by first spring 11, the first contact terminal 12, first contact plate 13 to 16, second spring 19, second with protrusion 13a, 14a, 15a and 16a and has a terminal 22a that leads is transferred to fuse box 25.Electrical power from contact plate 22 guiding terminal 22a also is applied to capacitor 24 by pressurizer 23.When switch 26 in the above-mentioned state was connection, electric power just was applied to headlight 27, thereby lamp 27 is lighted.
The partial power that generator 1 sends puts on bulb 27 so that bulb 27 is lighted, and dump power then applies and is stored in the capacitor 24.
Therefore, when bicycle when stop night, may use from the electric power of capacitor 24 and light headlight 27, like this when bicycle is motionless, the user can see the zone around the bicycle or consult a map.In above-mentioned situation, headlight 27 is switched on or switched off by console switch 26.
Electric power is applied to bulb 27 by pressurizer 23, so the light that bulb 27 scatters on the way has constant illuminance, thereby makes the user be seen the zone in bicycle the place ahead effectively, and stops at night and have an accident by bike the time.
Fig. 4 is the sectional view of the electric generator structure of second embodiment of the invention proposition.In the generator 1 that proposes according to second embodiment, what illustrate among most of part in addition and first embodiment is identical, but except the bearing arrangement, and it spools 2 clamps wheel hub framework 5 relatively rotationally, and comprises two radial ball bearings 37 and 37a.Among above-mentioned bearing 37 and the 37a each comprises some balls that are clamped in a usual manner between the inside and outside rolling ring.A bearing 37a has axial hole 37b, and spacing block 38a is set between bearing 37a and the front-wheel framework 28, and this spacing block 38a has the hole 38b with the axial hole 37b UNICOM of bearing 37a.Thereby pass through outside hole 37b and the 38b guiding generator 1 from the electric wire 37 that stator 3 stretches out.Second embodiment reduced the number of packages in addition of generator 1 effectively, thereby simplified the assembling process of generator 1.
In the present invention, capacitor 24 can remove from generator 1, thereby has reduced the weight of bicycle, has reduced production cost.In this case, in the time of by bike, have only when user's pedal, headlight 27 is just lighted.Electric power to bulb 27 supply electric power, therefore always to the constant current value of bulb 27 supplies, thereby stops the bulb overload by pressurizer 23.
In the generator shown in Fig. 1 to 41, permanent magnet is used as the rotor of generator, and the stator that therefore is installed on the front axle produces direct current.Also promptly, the embodiment of Fig. 1 to 4 proposes DC generator.But the present invention also can provide alternating current generator, and its use moving coil body as illustrated in Figures 5 and 6 is as rotor.
Fig. 5 is a part decomposition diagram of inventing the alternator construction of the 3rd embodiment proposition according to this.Fig. 6 a and 6b are the views of generator amature among Fig. 5.
In the alternating current generator of the 3rd embodiment, most of part in addition still with first and second embodiment in illustrate identical, but moving coil body is used as the rotor of generator.Also promptly, coil stator 3 ' is being fixedly installed within the wheel hub framework 5 on the axle 2, and rotor then is installed in the framework 5 on the position of corresponding stator 3 '.Shown in Fig. 6 a and 6b, the rotor of generator 1 comprises moving coil body 4 ', and it is to be made of the winding coil Y on the laminated core X, and coil Y separates with the spacing of rule.Rotor or moving coil body 4 ' are installed on the stator 3 ' with an annular gap that is formed between stator 3 ' and the rotor 4 ', thereby when rotor 4 ' rotates around stator 3 ', produce alternating current.The alternating current that generator sends is sent to headlight, thereby lights bulb.
As mentioned above, the present invention proposes a kind of generator for cycles.This generator is arranged on the bicycle front-wheel hub, like this, when user's pedal, sends electric power.Electric power is applied to bulb, thereby lights bulb.Remaining electric power storing is at capacitor, and when bicycle pauses, is applied to bulb, watches the zone around the bicycle or consults a map thereby be convenient to the user.Generator of the present invention is different with common generator, is that therefore the generator of this invention makes user's pedal like a cork not with tire generation CONTACT WITH FRICTION.This generator also provides constant electric current by pressurizer to headlight, and like this, bulb scatters the light with constant illumination degree on the road surface, and can not transship.Thereby the expected service life of bulb also extends.
Though, in order to show purpose, most preferred embodiment of the present invention is disclosed, this technology experienced personage can understand, only otherwise depart from invention disclosed scope and spirit in the claims, various corrections, increase and replacement all are possible.

Claims (7)

1, a kind of generator for cycles, this generator for cycles comprises:
The generator main body, it is set on the wheel hub of cycle wheel, and described generator main body comprises:
Coil stator, it is fixedly mounted on the wheel shaft;
Cylindrical rotor, it is connected the inwall of wheel hub framework, and to be formed at the annular gap between stator and the rotor, is installed in rotation on the described stator, but the rotation of described rotor relative stator, thus cause that stator sends electric power;
Transmitting device is used for electric power is transferred to from stator the outside of generator main body;
Bearing arrangement is used for support cage framework rotatablely moving of axle relatively; With
The clamping nut is used for bearing arrangement is fixed in its position on axle, thereby rotationally the wheel hub framework is clamped on the axle;
Pressurizer, it receives the electric power that the generator main body is sent by power transmission device, and in stable power, to bicycle headlight effect electric power; With
Capacitor, it is connected to described pressurizer, and is applicable to the storage dump power, and when the generator main body is not moved, to headlight supply dump power.
2, generator as claimed in claim 1, wherein said rotor comprises permanent magnet, thereby makes stator send direct current.
3, generator as claimed in claim 1, wherein said rotor comprises the moving coil body, it is made of the winding coil in the laminated core, and coil separates by the spacing of rule, thus make stator send alternating current.
4, generator as claimed in claim 1 also comprises fuse box and on/off switch, and they are connected pressurizer, between capacitor and the headlight, and collaborative with it running.
5, generator as claimed in claim 1, wherein said power transmission device comprises:
The first contact terminal, it is placed in first insulating disc, and is connected with described stator by the first compression spring;
First contact plate, it contacts terminal in one side and first and contacts, and has electric power derivation protrusion at opposite side;
Second insulating disc, it has hollow tube, and is placed between first contact plate and the clamping nut, and at this moment the protrusion of first contact plate is by the pipe of second insulating disc;
Axial hole, it is formed on the described clamping nut, and from a side of nut in order to lay the pipe of second insulating disc;
The 3rd insulating disc, it has hollow tube, and meshes from the opposite side and the clamping nut of nut, and at this moment pipe is inserted into the axial hole of nut from opposite side;
The second contact terminal, it is placed in the pipe of the 3rd insulating disc, and contacts with the protrusion generation of first contact plate by the second compression spring;
Second contact plate, it is by the 4th insulating disc clamping, and contacts terminal with second and produce contact; With
Electric wire, it extends to the outside of generator main body from the guiding terminal of second contact plate.
6, generator as claimed in claim 1, wherein said power transmission device comprises:
Constitute the radial ball bearing of supporting arrangement, described bearing has axial hole;
Spacing block, it is installed in the outside of bearing, and has the hole with the axial hole UNICOM of bearing; With
Electric wire, it stretches out from the hole of stator by bearing and spacing block, thereby is directed to the outside of generator main body.
7, as the generator of claim 5 or 6, wherein said electric wire is connected with described pressurizer, capacitor and headlight.
CN97103726A 1996-06-12 1997-03-28 Generator for cycles Pending CN1168019A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR19960020880 1996-06-12
KR20880/96 1996-06-12
KR2079/97 1997-01-24
KR1019970002079A KR100215399B1 (en) 1996-06-12 1997-01-24 Generating device for bicycle

Publications (1)

Publication Number Publication Date
CN1168019A true CN1168019A (en) 1997-12-17

Family

ID=26631902

Family Applications (1)

Application Number Title Priority Date Filing Date
CN97103726A Pending CN1168019A (en) 1996-06-12 1997-03-28 Generator for cycles

Country Status (4)

Country Link
KR (1) KR100215399B1 (en)
CN (1) CN1168019A (en)
GB (1) GB2314213B (en)
TW (1) TW370498B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1318253C (en) * 2003-07-24 2007-05-30 三洋电机株式会社 Long distance operating device for power generator of bicycle

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6703716B2 (en) * 2001-10-17 2004-03-09 Meng-Yu Liu Permanent magnet generator for bicycle light operation
JP4145839B2 (en) 2004-06-29 2008-09-03 株式会社シマノ Bicycle shifting system and bicycle
JP4164071B2 (en) 2005-02-04 2008-10-08 シマノ シンガポール ピーティーイー.リミテッド. Claw pole generator and bicycle power generation hub
US20090267348A1 (en) * 2008-04-23 2009-10-29 Raanan Liebermann Alternative energy generation systems for vehicles

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
GB468065A (en) * 1935-11-26 1937-06-28 Raleigh Cycle Company Ltd Improvements in electric generators
GB742198A (en) * 1952-05-30 1955-12-21 Georges Allec Improved bicycle alternator
US4191988A (en) * 1977-12-27 1980-03-04 Shokichi Kumakura Identification lamp apparatus
DE3132005A1 (en) * 1981-08-13 1983-03-03 Rupert Dipl.-Ing. Etzbach Arrangement for maintaining illumination of bicycles during temporary stationary periods
DE4231436A1 (en) * 1992-09-19 1994-03-24 Fer Fahrzeugelektrik Gmbh Bicycle lamp switching arrangement operating when bicycle is temporarily stationary - rectifies dynamo output and charges capacitor which discharges through transistor to LED when bicycle stops
DE4232182A1 (en) * 1992-09-25 1994-03-31 Wilfried Schmidt Hub generator, in particular for bicycles
GB2277371A (en) * 1993-04-19 1994-10-26 Roger Kenneth Robert Cooke Versatile cycle lamp
JPH07144575A (en) * 1993-11-24 1995-06-06 Takeda Gijutsu Kenkyusho:Kk Light for human power running vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1318253C (en) * 2003-07-24 2007-05-30 三洋电机株式会社 Long distance operating device for power generator of bicycle

Also Published As

Publication number Publication date
TW370498B (en) 1999-09-21
KR100215399B1 (en) 1999-08-16
KR980006735A (en) 1998-03-30
GB2314213B (en) 1999-03-10
GB2314213A (en) 1997-12-17
GB9704190D0 (en) 1997-04-16

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