CN105978178A - Hub electric generator and bicycle comprising the same - Google Patents
Hub electric generator and bicycle comprising the same Download PDFInfo
- Publication number
- CN105978178A CN105978178A CN201610131740.8A CN201610131740A CN105978178A CN 105978178 A CN105978178 A CN 105978178A CN 201610131740 A CN201610131740 A CN 201610131740A CN 105978178 A CN105978178 A CN 105978178A
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- Prior art keywords
- hub
- coil
- rotor
- axletree
- stator
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- 230000007246 mechanism Effects 0.000 claims abstract description 63
- 230000005540 biological transmission Effects 0.000 claims abstract description 49
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 206010052428 Wound Diseases 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 230000004907 flux Effects 0.000 description 3
- 239000007767 bonding agent Substances 0.000 description 2
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K27/00—AC commutator motors or generators having mechanical commutator
- H02K27/30—Structural association with auxiliary mechanical devices, e.g. with clutches or brakes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1846—Rotary generators structurally associated with wheels or associated parts
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc Machiner (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention relates to a hub electric generator and a bicycle, and the hub electric generator can make a rotor to rotate smoothly. The hub electric generator (10) comprises a magnetic body part (20) which is fixed to an axle (18) and columnar and serves as a stator; a coil part (17) which is tubular and axle-centered around the peripheral surface of the stator and serves as a rotor; and a transmission mechanism which can transmit the rotation of the wheel hub (15) by using a way of making the coil part (17) to rotate around the axle (18) relative to the magnetic part (20). The magnetic part (20) comprises a plurality of columnar magnetic bodies. The coil part (17) comprises a coreless coil winded by wires in a columnar way. The stator is possibly formed by the coil part (17), and the rotor is possibly formed by the magnetic part (20).
Description
Technical field
The present invention relates to a kind of hub generator and there is the bicycle of this hub generator.
Background technology
As the electromotor being installed on bicycle, it is known to a kind of hub generator.Such as, patent documentation 1
Described hub generator is a kind of electromotor producing three-phase alternating current, and it has: be fixed on bicycle
The axletree (in patent documentation 1 being " hub spindle ") of front fork；Rotatably it is maintained on axletree
Rotary body (in patent documentation 1 is " generator housing ")；It is fixed on a rotating body side face with bonding agent
Rotor (in patent documentation 1 is " rotor unit ")；It is fixed on the stator of hub spindle (in patent documentation 1
It is " stator unit ")；And alternating current is converted to the rectification circuit of DC current.At patent documentation
In hub generator described in 1, stator has the coil on the ferrum limit being wound in laminated iron core, and rotor has
Magnet.
Hub generator described in patent documentation 1 is installed on bicycle as follows: if bicycle is advanced
Time etc. wheel rotate, then rotary body revolves relative to stator integratedly with rotor centered by hub spindle
Turn.Thus, along with the rotation of cycle wheel, the coil that stator is comprised will have three-phase alternating current by stream.
After this three-phase alternating current is converted into DC current by rectification circuit, the load such as head lamp flowing to bicycle.
Patent documentation
Patent documentation 1: Japanese Patent Laid-Open 2012-182961 publication
Summary of the invention
Invent technical problem to be solved
In the structure of above-mentioned patent documentation 1, the magnet that the iron core that stator has makes to have from rotor
Magnetic flux collection magnetic, so, if rotor motion, then the magnet that has because of rotor and the magnetic field that formed will become
Change.Thus, when the rotor is moving, the magnetic attraction by acting between magnet and iron core will be produced to cause
Cogging torque.This cogging torque can hinder the smooth and easy rotation of rotor.
The present invention completes in light of this situation, it is therefore an objective to provides a kind of hub generator and has this and take turns
The bicycle of hub electromotor, this hub generator can make rotor rotate swimmingly.
Solve the technical scheme that technical problem is used
In order to reach above-mentioned purpose, the hub generator of first aspect present invention has: stator, and it is column,
And it is fixed on axletree；Rotor, it is in the tubular centered by described axletree, and surrounds the periphery of described stator
Face；And transmission mechanism, it is so that what described rotor rotated centered by described axletree relative to described stator
Mode, the side rotation of the wheel hub of wheel being transferred in described rotor, described stator and described rotor is
The opposing party in the magnet portion configured in the way of being formed as tubular, described stator and described rotor is coil
Portion, this coil portion comprises the coreless coil being wound with wire in the way of being formed as tubular.
In order to reach above-mentioned purpose, the bicycle of second aspect present invention has the wheel hub of first aspect present invention
Electromotor.
Invention effect
In accordance with the invention it is possible to rotor swimmingly.
Accompanying drawing explanation
Fig. 1 is the sectional view of the hub generator of an embodiment of the present invention.
Fig. 2 is the decomposition front view of the hub generator of an embodiment of the present invention.
Fig. 3 is the exploded perspective view of the hub generator of an embodiment of the present invention.
Fig. 4 is the exploded perspective view of the hub generator of an embodiment of the present invention.
Fig. 5 is the axonometric chart of the transmission mechanism of an embodiment of the present invention.
Fig. 6 is rectification part and the axonometric chart of coil portion of an embodiment of the present invention.
Fig. 7 is rectification part and the exploded perspective view of coil portion of an embodiment of the present invention.
Fig. 8 is the axonometric chart in the brush portion of an embodiment of the present invention.
(symbol description)
10 hub generators
16 external shells
17 coil portions
20 magnet portion
30 gear mechanisms
31 first round hub caps
32a the first transmission mechanism
32b the second transmission mechanism
40 rectification mechanisms
41 brush portions
41a brush
42 rectification part
42a diverter
50 second hub caps
Detailed description of the invention
Hereinafter, the hub generator of an embodiment of the present invention it is explained with reference to.
Hub generator 10 is generally cylindrical parts, as shown in the cross section of fig. 1, such as, is installed on
The wheel hub 15 of front wheel.Wheel hub 15 substantially have two ends have opening substantially cylindric main part and
Extended in the rib at main part two ends.Described rib is provided with multiple hole for fixing front wheel spider.
(structure)
As shown in Figures 1 to 4, hub generator 10 include bicycle front-wheel axletree 18, be fixed on
The generally cylindrical magnet portion 20 of the substantial middle of axletree 18, to surround the side of the outer peripheral face of magnet portion 20
Cylindric coil portion 17 that formula is arranged, it is located at the gear mechanism 30 of the near one end of coil portion 17, sets
Rectification mechanism 40 near the other end of coil portion 17, it is fixed on the first round hub cap 31 of wheel hub 15
And second hub cap 50.All parts of the hub motor 10 of following description all can be inserted with axletree 18
Logical mode is constituted.
It is fixed on the fork that the handlebar (not shown) from bicycle extends near the two ends of axletree 18 (not scheme
Show).Such as, there is near the two ends of axletree 18 ridge, and by utilizing the fastenings such as nut to fix
In fork.
Coil portion 17 is an example of rotor, is to arrange in the way of surrounding the outer peripheral face of magnet portion 20
Cylindric parts.Coil portion 17 relative to the magnet portion 20 of an example as stator with axletree 18
Centered by can arrange rotatably.Magnet portion 20 and coil portion 17 are contained in external shell 16.Magnet portion
20 and coil portion 17, gear mechanism 30, rectification mechanism 40 along axletree 18 arrangement be contained in wheel hub 15
Through hole.First round hub cap 31 is to block the side of the opening being positioned at the wheel hub 15 near gear mechanism 30
Formula is arranged.Second hub cap 50 is in the way of blocking the opening being positioned at the wheel hub 15 near rectification mechanism 40
Arrange.First round hub cap 31 and the second hub cap 50 are examples of rotary body.
Coil portion 17 is formed by the coreless coil of multiple Wire-wounds by utilizing resin etc. to fix.
Existing method can be used, for example, it is preferable to use institute for forming the method for winding of the wire of coreless coil
Hexagons winding (hexagonal winding) of meaning etc. are rolled up by disclosed in U.S. Patent No. 3441761
Winding method.In present embodiment, coreless coil is formed, therefore, from coil portion 17 by 6 Wire-wounds
Extend 6 connecting line 17a altogether.
Magnet portion 20 is such as solid with bonding agent etc. at the outer peripheral face of the generally a cylindrical shape parts being fixed on axletree 18
Surely there is multiple cylindrical magnet.Multiple magnet combination become observes in substantially a ring-shaped from axial direction.This embodiment party
In formula, it is shown that the example of the magnet portion 20 being made up of four magnets.Specifically, magnet portion 20 be
Circumference along magnet portion 20 magnetizes the structure of four magnets in the way of N pole and S pole replace.Utilize magnet
Multiple magnets that portion 20 is comprised, are formed in the space being configured with the coreless coil that coil portion 17 is comprised
Magnetic field.Therefore, observe from axial direction, if coil portion 17 rotates around magnet portion 20, coil
The interlinkage flux of each several part of the coreless coil that portion 17 is comprised will change, and can produce in coreless coil
Raw counter electromotive force.The generation result of counter electromotive force can result in each wire stream of coreless coil electric current.Separately
Outward, as long as the form of magnet portion 20 makes coil portion 17 just produce counter electromotive force along with the rotation of coil portion 17
Good, it is not limited to above-mentioned form.
As in figure 2 it is shown, gear mechanism 30 includes gear unit 32, central gear 33 and first wheel
Cap 31.
As it is shown on figure 3, first round hub cap 31 have block wheel hub 15 opening cap and be fixed on cap and
The short cylindrical portion extended along axial direction.The outer peripheral face of the cylindrical portion of first round hub cap 31 is provided with and is located at wheel
The pin thread that the female thread of hub 15 screws togather, and inner peripheral surface is provided with internal gear 31a.
The cap of first round hub cap 31 is embedded with and inserts, for axletree 18, the bearing 37 arranged, thereby, it is possible to
Rotate swimmingly centered by axletree 18.
Additionally, at the cap of first round hub cap 31, in order to prevent bearing 37 from coming off, the position of bearing 37
Offset and wait and be embedded with anti-delinking part 36 from outside.
First wheel 31 together with anti-delinking part 36 by bolt 12c, 12d of screwing togather with axletree 18 are carried out
The power fastened and be scheduled presses on gear unit 32, thus fixes the position along axletree 18.
First round hub cap 31 is fixed on wheel hub 15 by screwing togather with the female thread being located at described wheel hub 15.
Therefore, along with the movement of bicycle, wheel rotates, and first round hub cap 31 will rotate from together with wheel
Wheel hub 15 stress and rotate.Such first round hub cap 31 is the rotary body rotated from external force
One example.
As it is shown in figure 5, gear unit 32 include the first transmission mechanism 32a, the second transmission mechanism 32b with
And the first transmission mechanism 32a, the substrate 35 of the second transmission mechanism 32b are set.It addition, gear unit 32
Gear be entirely horizontal gear.
Substrate 35 is the discoid parts that central authorities are provided with the hole inserted for axletree 18.Substrate 35 is the most sharp
It is screwed in external shell 16.
First transmission mechanism 32a includes that the first gear mass 51 is to the 4th gear mass 54.First gear mass 51
It is respectively arranged between substrate 35 and external shell 16 to the 4th gear mass 54, and with parallel with axletree 18
Rotate centered by rotary shaft.
The internal gear 31a that first gear mass 51 has with first round hub cap 31 engages and centered by rotary shaft
The gear rotated.The number of teeth of the internal gear 31a of the gear ratio first round hub cap 31 of the first gear mass 51 to be lacked.
Therefore, if first round hub cap 31 rotates, then the first gear mass 51 will be with than first round hub cap 31
Higher rotary speed rotates.
Second gear mass 52 has the small-diameter gear 52a rotated centered by shared rotary shaft and big footpath
Gear 52b.Small-diameter gear 52a is engaged in the first gear mass 51, and the gear ratio first of small-diameter gear 52a
The number of teeth of gear mass 51 to be lacked.Therefore, if the first gear mass 51 rotates, then the second gear mass 52
Will be to rotate than the first higher rotary speed of gear mass 51.
3rd gear mass 53 has the small-diameter gear 53a rotated centered by shared rotary shaft and big footpath
Gear 53b.Small-diameter gear 53a is engaged in large diameter gear 52b, and the big footpath of gear ratio of small-diameter gear 53a
The number of teeth of gear 52b to be lacked.Therefore, if the second gear mass 52 rotates, then the 3rd gear mass 53 is just
Can be to rotate than the second higher rotary speed of gear mass 52.
4th gear mass 54 has the small-diameter gear 54a rotated centered by shared rotary shaft and big footpath
Gear 54b.Small-diameter gear 54a is engaged in large diameter gear 53b, and the big footpath of gear ratio of small-diameter gear 54a
The number of teeth of gear 53b to be lacked.Therefore, if the 3rd gear mass 53 rotates, then the 4th gear mass 54 is just
Can be to rotate than the 3rd higher rotary speed of gear mass 53.
Teeth portion 33b that large diameter gear 54b is had with the central gear 33 inserting axletree 18 engages.
According to such first transmission mechanism 32a, it is possible to make the rotary speed speedup of first round hub cap 31.
Therefore, it is possible to carry out Rotation of central gear 33 with the rotary speed higher than first round hub cap 31.
Second transmission mechanism 32b has and the first transmission mechanism 32a same structure, from axial direction
Observe, be configured to symmetrical about axletree 18 with the first transmission mechanism 32a.
I.e., in the present embodiment, the first transmission mechanism 32a and the second transmission mechanism 32b is along coil portion
The direction of rotation of 17, with the interval of 180 °, is the most equiangularly spaced configuration.More specifically, such as,
First gear mass 51 of one transmission mechanism 32a is located at first gear mass 51 of relative second transmission mechanism 32b
Leave the position of 180 °.
As in figure 2 it is shown, central gear 33 is to insert axletree 18 and the portion rotated centered by axletree 18
Part.Central gear 33 is located at magnet portion 20 across coil spring 12e and a pair packing ring 12f, 12g
Side, and exerted a force to external shell 16 by coil spring 12e.
Central gear 33 has maintaining part 33a being contained in external shell 16 and with from maintaining part 33a
The teeth portion of horizontal gear it is provided as through the mode that the hole being located at external shell 16 is prominent to gear unit 32
33b。
As in figure 2 it is shown, maintaining part 33a includes discoideus part, this part is fixed on coil portion 17
One end.
4th gear mass 54 of teeth portion 32b and the first transmission mechanism 32a and the second transmission mechanism 32b
Large diameter gear 54b engages.
As in figure 2 it is shown, rectification mechanism 40 clips magnet portion 20 is configured at the opposition side of gear mechanism 30.
Specifically, rectification mechanism 40 includes brush portion 41 and rectification part 42.
As shown in Figure 8, brush portion 41 includes: a pair brush 41a, this to brush about comprising coil portion
The plane symmetry configuration of the center of rotation axle of 17；And a pair maintaining part 41b, this to maintaining part to be configured at
Mode in external shell 16 keeps a pair brush 41a.
The wire (not shown) electrically connected with loads such as head lamps it is connected on a pair brush 41a.
Maintaining part 41b is to have the discoideus parts in the hole inserted for axletree 18.Maintaining part 41b is with resistance
The mode of the open side (left end in Fig. 2) of plug external shell 16 embeds in external shell 16.Protect
The portion 41b of holding utilizes screw etc. to be fixed on external shell 16.Maintaining part 41b is at the table in external shell 16
A pair brush 41a is kept on face.
As shown in Fig. 6 and Fig. 7, rectification part 42 includes diverter 42a and coil holder 42b.
Coil holder 42b is the most discoid parts that central authorities are provided with the hole inserted for axletree 18, and
It is fixed on one end of coil portion 17.Coil holder 42b has bearing 44 in central authorities, and axletree 18 is inserted
Bearing 44.
Like this, one end of coil portion 17 is supported in coil holder 42b, and the other end of coil portion 17 is such as
Central gear 33 it is supported in described on.Therefore, coil portion 17 and rectification part 42 and central gear 33 1
Rise and can rotate around axletree 18.
Coil holder 42b keeps diverter 42a on the face in the outside towards coil portion 17.
Diverter 42a comprises and observes multiple electrode 42c, Duo Ge electricity in uniform arc-shaped from axial direction
Pole 42c is remained the drum formed centered by axletree 18 by coil holder 42b.
In the present embodiment, electrode 42c is provided with 6, and is electrically connected in extending from coil portion 17
The 6 connecting line 17a gone out.
A pair brush 41a about the center of rotation axle comprising coil portion 17 plane symmetry be arranged at many
The position that individual first electrode abuts.Thus, any 2 the electrode 42c among 6 respectively from different electricity
Brush 41a contact.Along with the position of rotation of coil portion 17 changes, the electrode 42c contacted with each brush 41a
Combination can switch.Thus, brush portion 41 can make electric current that coil portion 17 induces as direct current
Electric current exports.
As it is shown in figure 1, external shell 16 houses coil portion 17, rectification mechanism 40 and magnet portion 20.
Under such housed state, the peristome of external shell 16 is blocked by the second hub cap 50.Such as Fig. 2 institute
Showing, the second hub cap 50 utilizes bolt 12b and packing ring 13 to be anchored on side, brush portion 41.Second wheel hub
The inside of cap 50 is provided with bearing 57.The wheel hub 15 of bicycle is fixed on first round hub cap 31 and the second wheel hub
Between cap 50.
As it is shown in figure 1, the outside of the second hub cap 50 on the bearing of trend of axletree 18 is (with external shell
The side that body 16 is contrary) it is provided with adapter 55.Adapter 55 utilizes bolt 12a to be anchored on the second hub cap
50 sides.Adapter 55 connects and has the electric wire (not shown) extended from above-mentioned brush 41a.Additionally,
Adapter 55 is connected to the loads such as head lamp via cable (not shown).
So far, the structure of the hub generator 10 of present embodiment is illustrated.It follows that this enforcement is described
The action of the hub generator 10 of mode.
(action)
As it is shown in figure 1, the rotation of the wheel along with bicycle, wheel hub 15 rotates centered by axletree 18.
Along with the rotation of described wheel hub 15, first round hub cap 31 and the second hub cap 50 rotate together.First
The rotation of hub cap 31 and the second hub cap 50 is via the first transmission mechanism 32a and the second transmission mechanism
32b is transferred to central gear 33 by speedup.Central gear 33 is together with coil portion 17 and rectification part 42
Rotate.Now, coil portion 17 rotates in the periphery of magnet portion 20, thus produces flux change and makes coil
Portion 17 induces electric current.Described electric current exports as DC current via rectification mechanism 40.Described unidirectional current
Flow through and supplied to load by adapter 55 and cable (not shown).
(effect)
The hub generator 10 of an embodiment according to the above description has the effect that.
(1) coreless coil is sealed with resin and is formed by coil portion 17.Here, as in the past
The same coil is provided with in the structure of iron core, can produce tooth because acting on the magnetic attraction between iron core and magnet
Groove torque.This cogging torque can hinder the smooth and easy rotation of rotor.In this, in the present embodiment, because of
For have employed coreless coil, it is possible to the cogging torque that suppression coil portion 17 produces.Accordingly, it is capable to make work
Coil portion 17 for rotor rotates swimmingly.Its result is, can more stably drive the loads such as head lamp.
(2) magnet portion 20 is fixed on axletree 18, and coil portion 17 rotates relative to magnet portion 20.As this
Sample, due to the rotation of this fixing suppression magnet portion 20, and revolving coil portion 17, it is possible to suppression iron loss
Generation.
(3) in the present embodiment, coil portion 17 to be formed in the way of the periphery of magnet portion 20,
Use coil portion 17 as rotor, use magnet portion 20 as stator.On the other hand, even if as rotor
Use magnet portion 20, use coil portion 17 as stator, also can suppress cogging torque as above-mentioned, suitable
Freely rotate the magnet portion 20 as rotor.But, according to present embodiment, make compared with making coil portion 17
For stator and be contained in magnet portion 20, it is possible to make the enlarged-diameter of coil portion 17.Therefore, even together
The hub generator 10 of sample size, also can produce bigger electric power.
(4) hub generator 10 of present embodiment includes brush portion 41 and rectification part 42.Thus, i.e.
Make to be not provided with making alternating current be converted to galvanic circuit etc., also can export unidirectional current from hub generator 10
Stream.It is thus possible to make the structure to load supply electric power become simple and miniaturization.
(5) first transmission mechanism 32a and the second transmission mechanism 32b make rotated together with wheel hub 15
The rotary speed speedup of one hub cap 31 is transferred to coil portion 17.Thus, treadled cycle is started as jockey
During pedal or with during hand push row bicycle etc., even if because bicycle causes first round hub cap so that low speed moves
The rotary speed of 31 is low, and coil portion 17 can also high speed rotating.Therefore, even if at first round hub cap 31
Rotary speed low in the case of, it is also possible to produce big electric power.
(6) by arranging the first transmission mechanism 32a and the second transmission mechanism 32b, it becomes possible to reduce and execute
It is added on the load of each transmission mechanism 32a, 32b.Therefore, the durable of hub generator 10 can not only be promoted
Property, additionally it is possible to reduce the size of each transmission mechanism 32a, 32b, even the size of hub generator 10.Enter
One step ground, by the miniaturization of hub generator 10, it is possible to promote the aesthetic property of bicycle.
(7) first transmission mechanism 32a and the second transmission mechanism 32b along coil portion 17 direction of rotation with
The interval configuration of 180 °.Therefore, the first transmission mechanism 32a and the second transmission mechanism 32b can balance
Make central gear 33 and coil portion 17 rotate.Therefore, it is possible to the center of rotation of suppression coil portion 17
Axle variation thus obtain stable generation power.
(8) coreless coil portion 17 is to wind in the way of hexagon winding.This hexagon winding is can
The coil turn making prescribed volume becomes big winding method.Therefore, it is possible to both maintained hub generator 10
Generating efficiency, makes again the structure of coil portion 17 become compact.
Hereinafter, the variation comprised the present invention illustrates.
(variation)
In embodiments, although the coreless coil of coil portion 17 is to wind (hexagonal with hexagon
Winding) mode coiling, but as long as being coreless coil, it would however also be possible to employ other winding methods, example
Such as rhombus winding, honeycombed winding etc..
In embodiments, the first transmission mechanism 32a and the second transmission mechanism 32b is along coil portion 17
Direction of rotation configures with the interval of 180 °, but the number of transmission mechanism can suitably change.Transmission mechanism
The number of the angle interval corresponding transmission mechanism of energy changes.Such as, 3 biographies are included at hub generator 10
Passing in the structure of mechanism, the direction of rotation along coil portion 17 configures transmission mechanism with the interval of 120 °.That is,
Multiple transmission mechanism is configured, it is necessary to 360 ° of numbers divided by transmission mechanism in order to equiangularly spaced
Angle interval configures each transmission mechanism.
Additionally, each transmission mechanism can not also press equiangularly spaced configuration.Even in this case, when
When between first round hub cap 31 and the second hub cap 50 and central gear 33, transmission rotates, arrange many
Individual transmission mechanism also is able to reduce the load applying each transmission mechanism.
In embodiments, it is provided with multiple first transmission mechanism 32a and the second transmission mechanism 32b, but
Can also only set a transmission mechanism.Even in this case, the rotation of first round hub cap 31 also can
Its rotary speed speedup is transferred to coil portion 17.Therefore, as shown in the effect of above-mentioned (5), even if
In the case of the rotary speed of first round hub cap 31 is low, it is also possible to produce big electric power.
In embodiments, illustrate hub generator 10 and be applied to bicycle (two-wheeled cycle or three-wheel
Bicycle etc.), but hub generator 10 can also be applied to other objects (such as, dynamometer or strong
The such stationary bicycle of body bicycle).The described bicycle such as this specification not only includes being trampled by jockey
The common bicycle that pedal advances, also includes stationary bicycle.Additionally, this specification etc. described from
Driving not only includes two-wheeled cycle, also includes tricycle, quadricycle etc..
In embodiments, it is that magnet portion 20 is fixed on axletree 18 and coil portion 17 opposed magnet portion 20
Revolvable structure but it also may be that coil portion 17 is fixed on axletree 18 and magnet portion 20 opposed coil portion
17 revolvable structures.
In embodiments, the magnet portion 20 as an example of stator is formed as cylindric, but also may be used
To be formed as prism-shaped.Additionally, the coil portion 17 as an example of rotor is formed as cylindric, but
As long as tubular, it is also possible to be formed as many ribs tubular.
The present invention can implement various in the case of without departing from the broad spirit of the present invention and scope
Embodiment and deformation.Additionally, above-mentioned embodiment is only intended to the present invention is described, it is not used to limit
The scope of the present invention.That is, the scope of the present invention is not represented by embodiment, but by claims
Represent.Additionally, the various changes implemented in the range of claims and the invention meaning that is equal to therewith
Shape belongs in the scope of the present invention.
Claims (4)
1. a hub generator, it is characterised in that comprising:
Stator, it is column, and is fixed on axletree；
Rotor, it is in the tubular centered by described axletree, and surrounds the outer peripheral face of described stator；And
Transmission mechanism, it is so that the side that rotates centered by described axletree relative to described stator of described rotor
Formula, is transferred to described rotor by the rotation of the wheel hub of wheel,
A side in described stator and described rotor is magnet portion, and this magnet portion is joined in the way of being formed as tubular
Put,
The opposing party in described stator and described rotor is coil portion, and this coil portion includes being formed as tubular
Mode is wound with the coreless coil of wire.
2. hub generator as claimed in claim 1, it is characterised in that described stator is described magnet
Portion,
Described rotor is described coil portion.
3. hub generator as claimed in claim 2, it is characterised in that including:
Diverter portion, it comprises observes multiple first electrodes being formed as uniform circular arcs shape from axial direction, and
The plurality of first electrode is kept in the mode being formed as the drum centered by described axletree, and with
Described coil portion rotates together；
Brush portion, it comprises a pair second electrodes, and these a pair second electrodes are about the rotation comprising described rotor
The plane symmetry of central shaft configures, and the pair of second electrode is fixed on described axletree by brush portion,
The plurality of first electrode is electrically connected in described wire,
The pair of second electrode is located at and the plurality of first electricity on the position about described plane symmetry
The position that pole abuts.
4. a bicycle, it is characterised in that it has the wheel according to any one of claims 1 to 3
Hub electromotor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-051485 | 2015-03-13 | ||
| JP2015051485A JP6385300B2 (en) | 2015-03-13 | 2015-03-13 | Hub dynamo and bicycle with hub dynamo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105978178A true CN105978178A (en) | 2016-09-28 |
Family
ID=56982693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610131740.8A Pending CN105978178A (en) | 2015-03-13 | 2016-03-09 | Hub electric generator and bicycle comprising the same |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6385300B2 (en) |
| CN (1) | CN105978178A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504791A (en) * | 2018-05-18 | 2019-11-26 | 株式会社岛野 | Human powered vehicle generator |
| TWI814845B (en) * | 2017-12-22 | 2023-09-11 | 日商客瓦壘石馬達股份有限公司 | Coreless motor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5472408A (en) * | 1977-11-21 | 1979-06-09 | Sekoh Giken Kk | Motor with reduction gear |
| CN1457132A (en) * | 2002-05-09 | 2003-11-19 | 株式会社岛野 | Power generator with claw polars and power generator on bicycle wheel hub |
| JP2008136276A (en) * | 2006-11-27 | 2008-06-12 | Nidec Copal Corp | Motor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4217230B2 (en) * | 2005-06-20 | 2009-01-28 | 株式会社シマノ | Power generation equipment for human-powered vehicles |
| JP5054754B2 (en) * | 2009-12-25 | 2012-10-24 | 株式会社シマノ | Power generation hub |
-
2015
- 2015-03-13 JP JP2015051485A patent/JP6385300B2/en not_active Expired - Fee Related
-
2016
- 2016-03-09 CN CN201610131740.8A patent/CN105978178A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5472408A (en) * | 1977-11-21 | 1979-06-09 | Sekoh Giken Kk | Motor with reduction gear |
| CN1457132A (en) * | 2002-05-09 | 2003-11-19 | 株式会社岛野 | Power generator with claw polars and power generator on bicycle wheel hub |
| JP2008136276A (en) * | 2006-11-27 | 2008-06-12 | Nidec Copal Corp | Motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI814845B (en) * | 2017-12-22 | 2023-09-11 | 日商客瓦壘石馬達股份有限公司 | Coreless motor |
| CN110504791A (en) * | 2018-05-18 | 2019-11-26 | 株式会社岛野 | Human powered vehicle generator |
| CN110504791B (en) * | 2018-05-18 | 2022-04-08 | 株式会社岛野 | Generator for manpower-driven vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6385300B2 (en) | 2018-09-05 |
| JP2016171723A (en) | 2016-09-23 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160928 |
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| WD01 | Invention patent application deemed withdrawn after publication |