CN105492308A - Hub dynamo - Google Patents
Hub dynamo Download PDFInfo
- Publication number
- CN105492308A CN105492308A CN201480044815.8A CN201480044815A CN105492308A CN 105492308 A CN105492308 A CN 105492308A CN 201480044815 A CN201480044815 A CN 201480044815A CN 105492308 A CN105492308 A CN 105492308A
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- CN
- China
- Prior art keywords
- stator
- coil
- axletree
- slit portion
- stator unit
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J6/00—Arrangement of optical signalling or lighting devices on cycles; Mounting or supporting thereof; Circuits therefor
- B62J6/06—Arrangement of lighting dynamos or drives therefor
- B62J6/12—Dynamos arranged in the wheel hub
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- 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
- H02K1/14—Stator cores with salient poles
- H02K1/145—Stator cores with salient poles having an annular coil, e.g. of the claw-pole type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
This hub dynamo (10) is provided with: a rotor having a body section at the inner peripheral surface of which a permanent magnet is formed; at least two stator units (20A, 20B) that are disposed at the inside of the body section and that are a first stator unit (20A) having a first coil (93a) wound in a cylindrical shape, and a second stator unit (20B) having a second coil wound in a cylindrical shape; and a vehicle wheel axle (11) that is provided in a manner so as to penetrate the inside in the radial direction of each coil (93a, 93b) and to the outside of which each stator unit (20A, 20B) is fitted and affixed. The first stator unit (20A) has a coupling section to which the second coil (93b) is routed.
Description
Technical field
This invention relates to a kind of hub generator (HubDynamo).
The application required preceence about on 09 27th, 2013 in No. 2013-202491, the Patent of Japanese publication, and quoted its content here.
Background technology
In order to supply electric power such as the illumination equipments to the head lamp of bicycle or taillight etc., the electrical generator generated electricity by the rotation of wheel is extensively popularized.Various structure is there is, known a kind of so-called hub generator be installed on axletree in such electrical generator.
Hub generator comprises: stator unit (StatorUnit) (stator) that be fixed on axletree side, and is configured to the rotor (Rotor) that rotates freely around axletree.
Stator unit is by being formed by a pair main iron core of the coil chamber fitted in axletree outer circumferential side; Multiple secondary iron core coil chamber separated between a pair main iron core will be arranged on; And the coil (spiral) be wound onto in coil chamber is formed.The terminal part of coil is drawn out along axle (Shaft), and is electrically connected with the illumination equipment etc. of head lamp or taillight etc.
On the other hand, rotor is formed tubular and by surrounding's covering of axletree and stator, and is provided with permanent magnet at inner peripheral surface.
By such structure, when the wheels turn, rotor and this wheel rotate in one, and permanent magnet is rotation around stator unit.By the rotation of permanent magnet, produce and repeated the alternating flux of conversion through the N pole of the magnetic flux of stator unit and the direction of S pole, electric current flows through thus generates electricity in coil.(for example, referring to patent documentation one)
As shown in above-mentioned the past technology, except the hub generator be configured as uniphaser, also consider to fix two stator units side by side, the hub generator that the diphaser obtaining electric current from the coil be wound onto each stator unit is formed by axletree side.In this situation, from design (Design) property or the angle guaranteeing hub generator performance, the terminal part being wound onto the coil on each stator unit all pulls out in the same direction and is electrically connected ideal with the illumination equipment etc. of head lamp or taillight etc.
But in two stator units, the coil pulled out from the stator unit being arranged on the reverse side contrary with the pull-out direction of coil must pass over another stator unit and pulls out, possibly designability or hub generator performance cannot be played.
Look-ahead technique document
Patent documentation
[patent documentation one] Japanese Unexamined Patent Publication 2011-152868 publication
Summary of the invention
Even if the invention provides a kind of when having multiple stator unit, also designability or performance can not be lost, and the hub generator that the coil be wound onto on each stator unit all can be pulled out in the same direction.
(1) hub generator that relates to of the present invention first form, comprising: rotor, rotates and have the cylinder portion being formed with magnetic pole on inner peripheral surface together with wheel; At least two stator units, comprise and to be arranged on inside described cylinder portion and to have the first stator unit of the first coil and have the second stator unit of the second coil; Axletree, inside the radial direction being set to run through each coil, and each stator unit is by outer fixing; Wherein, described first stator unit has described second coil and is configured with the wiring part of leading any one party in (Lead) line be connected with this second coil.
By such structure, in the side of the reverse side contrary with the second stator unit side of the first stator unit, can by the second coil pull-out via wiring part.Therefore, it is possible to do not lose designability or the performance of hub generator, and the terminal part of the coil be wound onto on each stator unit all can be pulled out in the same direction.
(2) the second form of the present invention, it is the hub generator recorded in (1), described first stator unit comprises: the bobbin (Bobbin) with the main part of the tubular being wound with described first coil, and be arranged on the iron core (Core) of the tubular between described axletree and described main part, and be set to be connected with described iron core and with the gasket unit (RondelleUnit) of described cylinder portion subtend in radial directions, described wiring part be arranged in the inner side of described main part and described iron core at least on either party.
By such structure, the Occupation efficiency of the coil be wound on main part can be made to decline, and the terminal part of the coil be wound onto on each stator unit all can be pulled out in the same direction.
(3) the 3rd form of the present invention, is the hub generator recorded in (2), forms slit (Slit) portion in described iron core, and this slit portion is played performance as described wiring part.
By such structure, can with succinct structure design wiring part.
(4) the 4th form of the present invention, be the hub generator recorded in (3), described slit portion is formed along the axial direction of described axletree.
By such structure, can using the configuration path of coil as shortest path.
(5) the 5th form of the present invention, it is the hub generator recorded in (3) or (4), formed in described bobbin and be embedded in the interconnecting part of slit portion, this interconnecting part and described slit portion collaborative work thus play performance as described wiring part.
By such structure, while the situation preventing bobbin from rotating relative to axletree occurs, easily the position of bobbin can be positioned.
(6) the 6th form of the present invention, be the hub generator recorded in (5), described interconnecting part is communicated with the outside face of described main part.
By such structure, the coil be wound on main part easily can be trapped among on interconnecting part.
(7) the 7th form of the present invention, be (2) ~ (6) any one in the hub generator recorded, the first pad that described gasket unit is assembled by the first side of the axial direction from described iron core, formed with the second pad that the second side of the axial direction from described iron core is assembled, described first pad has the first side plate contacted with the first end of the axial direction of described iron core, extend with the second side from the neighboring of described first side plate to the axial direction of described iron core and with multiple first stator tooth (Teeth) portions of described cylinder portion subtend in radial directions, described second pad there is the second side plate of contacting with the second end of the axial direction of described iron core and extend from the neighboring of described second side plate to the first side of the axial direction of described iron core and with multiple second stator teeths of described cylinder portion subtend in radial directions, described first pad and described second pad are set to described first stator teeth and described second stator teeth is arranged alternately in a circumferential direction, described first side plate is formed the first passage portion described second coil can inserted, on described second side plate, form the alternate path portion that described second coil can be inserted, and this first passage portion and alternate path portion are set to superpose mutually in the axial direction simultaneously.
By such structure, can from each side plate successfully (Smooth) by coil pull out, can prevent coil local bending situation, successfully can also configure coil.
(8) the 8th form of the present invention, it is the hub generator recorded in (7), using total number of described first stator teeth and described second stator teeth as SA time, while the center of the circumferencial direction of described first passage portion is arranged on and departs from from the center of the circumferencial direction of described first stator teeth the position spent 360/ (SA × 2), the center of the circumferencial direction in described alternate path portion is arranged on departs from from the center of the circumferencial direction of described second stator teeth the position spent 360/ (SA × 2).
By such structure, even if the first pad and the second pad are set to same shape, when being assembled as gasket unit by these two pads, the first passage portion also can be made to superpose in the axial direction with alternate path portion.Therefore, it is possible to seeking the common of part, while reducing the manufacturing cost of hub generator, the assembling capacity of hub generator can also improved.
(9) the 9th form of the present invention, be (1) ~ (8) any one in the hub generator recorded, in described wiring part, lead unit is set, described lead unit comprises described wire and this wire coated and has the covering portion of insulativity, and one end of described wire is connected with described second coil.
By such structure, do not need on the first stator unit, configure described second coil, and the erecting work of hub generator can be improved.
(10) the tenth form of the present invention, be (1) ~ (9) any one in the hub generator recorded, described second stator unit has described wiring part.
(11) the 11 form of the present invention, be the hub generator recorded in (7) or (8), described first passage portion and described alternate path portion are formed the first slit portion of extending with the radial direction along described gasket unit and the second slit portion from the radial direction external side end of described first slit portion to circumferencial direction that bend extension from is connected.
(12) the 12 form of the present invention is the hub generator recorded in (11), is set to superpose mutually in the axial direction to the bobbin side slit portion forming the radial direction extension stating bobbin to some extent with described second slit portion.
By such structure, the first stator unit and the second stator unit can be set to same structure, and while minimizing number of parts, part management facilitation can be made.
In addition, the subtend of the second coil towards the first stator unit can be pulled out.
Be connected with wire in the second coil that it is possible to the subtend towards the first stator unit to be drawn out, and the pull-out of the second coil can be made to simplify, the erecting work of hub generator can also be improved.
[invention effect]
By above-mentioned hub generator, in the side of the reverse side contrary with the second stator unit side of the first stator unit, can by the second coil pull-out via wiring part.Therefore, it is possible to do not lose designability or the performance of hub generator, and the terminal part of the coil be wound onto on each stator unit all can be pulled out in the same direction.
[simple accompanying drawing explanation]
[Fig. 1] is the installation profile figure of hub generator in the first embodiment of the present invention.
[Fig. 2] is the lateral plan of hub generator in the first embodiment of the present invention.
[Fig. 3] is the section drawing of hub generator in the first embodiment of the present invention.
[Fig. 4] is the oblique drawing of stator in the first embodiment of the present invention.
[Fig. 5] is the pad of the first stator unit and the oblique drawing of stator core in the first embodiment of the present invention.
[Fig. 6] is the arrow view of A in [Fig. 5].
[Fig. 7] is the oblique drawing of the first pad in the first embodiment of the present invention.
[Fig. 8] is from the planar view viewed from axial direction by the first pad in the first embodiment of the present invention.
[Fig. 9] is the oblique drawing of bobbin in the variation of the first embodiment of the present invention.
[Figure 10] is the section drawing of hub generator in the second embodiment of the present invention.
[Figure 11] is the lateral plan of lead unit in the second embodiment of the present invention.
Invention embodiment
(embodiment one)
To be described enforcement aspect of the present invention according to Fig. 1 ~ Fig. 9.
Fig. 1 is the installation profile figure of hub generator 10.In addition, in the following description, be installed on the axletree 11 of bicycle 1 by the hub generator that the present invention relates to 10, and the situation making its head lamp 4 to bicycle 1 supply electric power is described.In this head lamp 4, filament (Filament) type bulb or LED can be adopted.In the driving circuit of lamp, add the circuit output of hub generator 10 being carried out rectification synthesis.
(the installation form of hub generator)
As shown in Figure 1, the front-wheel (wheel) 5 of bicycle 1 is by forming the front fork (FrontFork) 3 of framework (Frame) part and rotatably being supported by axle via axletree 11.The both sides of axletree 11 are non-rotatably fastened on front fork 3 by nut (Nut) (not shown) etc.In the major part of the axial direction central authorities of axletree 11, hub generator 10 and axletree 11 are coaxially installed.This hub generator 10 supplies electric power to the head lamp 4 of the side being arranged on front-wheel 5.
Hub generator 10 comprises: be connected with the spoke (Spoke) 2 of front-wheel 5 thus the rotor 12 jointly rotated around axletree 11 with front-wheel 5; The stator 13 on axletree 11 is non-rotatably installed in the state of the inner circumferential side to be positioned at rotor 12.
Below, the axial direction of the center shaft O of axletree 11 is called axial direction separately, the direction intersected vertically with axial direction is called radial direction, the direction of the surrounding along center shaft O is called circumferencial direction.In addition, in axletree 11, be formed outer screw section 11a compared to the part being at least provided with stator 13 closer in the part be positioned at outside axial direction.
(rotor)
Fig. 2 is the lateral plan of hub generator 10, and Fig. 3 is the section drawing of hub generator 10.
As shown in Figure 2 and Figure 3, rotor 12 is configured to take turns hub shell 100 for main body.
Wheel hub shell (HubShell) 100 is by the main part of tubular (cylinder portion) 61, and first (EndPlate) end plate 70 blocked by the axial direction both ends open of main part 61 and the second end plate 80 are formed.
As shown in Figure 3, the opening of the first end P side (left side in Fig. 3) of the axletree 11 of main part 61 is opened when making, and the end being pressed into fixed the first paragraph P side of the axletree 11 at main part 61 with main part 61 by the second end plate 80 that split manufactures after the assembly process specified makes this opening block.
The opening of the second end Q side (right side in Fig. 3) of the axletree 11 of main part 61 is inaccessible from making by the first end plate 70 be integrally formed with main part 61.Cylindric main part 61 and the first end plate 70 that the opening of the second end Q side of the axletree 11 of main part 61 is blocked is produced by the wheel hub housing main body 60 as integral part.Wheel hub housing main body 60 and with the second end plate 80 of its split by respectively (mainly iron plate) drawing of certain thickness magnetic holding plate being produced.
On the excircle at the axial direction both ends of the main part 61 of wheel hub housing main body 60, formed towards radial direction pair of right and left flange (Flange) portion 62 protruding outside.Flanged plate 62a inside axial direction, by the metal sheet rollback when drawing as material is become U-shaped, superposes with the flanged plate 62b outside axial direction and is formed by each flange portion 62 under state bonded to each other.In each flange portion 62, in a circumferential direction to be formed multiple bearing hole 63 running through axial direction at equal intervals.
As shown in Figure 1, the medial end of the multiple spokes 2 extended to internal side diameter from wheel rim (Rim) 5a of front-wheel 5 is engaged to bearing hole 63.In addition, the bearing hole 63 of left and right flange portion 62 is set to phase shifting only half pitch (Pitch).
First end plate 70 of the opening obturation of the second end Q side of the axletree 11 of main part 61 is comprised: outside axial direction, (the second end Q side of axletree 11) expand into cylindrical-conical annular sidewall 71; At the chimeric wall 73 of the bearing (Bearing) of inner periphery cylindrical shape that (the first end P side of axletree 11) bends inside axial direction of this sidewall 71; Inside the axial direction that this bearing is fitted together to wall 73, (the first end P side of axletree 11) end compresses wall 74 to the bearing of lateral buckling in radial direction; And from the neighboring of described sidewall 71 outside radial direction by the flange portion 75 arranged continuously.
This flange portion 75 is connected by the flanged plate 62b one in the outside of the flange portion 62 of the second end Q side of the axletree 11 with main part 61, thus main part 61 and the first end plate 70 are integrated.By like this, the wheel hub housing main body 60 as integral part is configured.
In addition, the second end plate 80 of the opening obturation of the first end P side of the axletree 11 of main part 61 is comprised: annular sidewall 81; Wall 83 is fitted together at the bearing of inner periphery cylindrical shape that (the second end Q side of axletree 11) bends inside axial direction of this sidewall 81; Inside the axial direction that this bearing is fitted together to wall 83, (the second end Q side of axletree 11) end compresses wall 84 to the bearing of lateral buckling in radial direction; And the press-in being bent into cylindrical shape from the neighboring (second end Q side of axletree 11) inside radial direction of described sidewall 81 is fitted together to wall 85.
Second end plate 80 is chimeric thus be fixed on main part 61 to the inner periphery press-in of the opening of the first end P side of the axletree 11 of the main part 61 of wheel hub housing main body 60 by the press-in of this cylindrical shape being fitted together to wall 85.
The bearing of the first end plate 70 and the second end plate 80 is fitted together to wall 73, as being positioned at coaxial through hole 72,82 opening inside the radial direction of 83, chimeric bearing (bearing) 21,22 are fitted to the bearing forming this through hole 72,82 is respectively fitted together to wall 73, on the inner periphery of 83.Further, the rotor 12 be configured as main body by wheel hub shell 100 is via bearing 21, and 22 are rotatably supported by axletree 11, thus rotates centered by axletree 11 along with the rotation of front-wheel 5 simultaneously.That is, rotor 12 plays performance as the wheel hub rotatably supported front-wheel 5 (Hub).
The permanent magnet 19 such as formed by ferrite (Ferrite) etc. is provided with at the inner periphery of the main part 61 of wheel hub housing main body 60.The radius of curvature of the outer circumference surface of permanent magnet 19 is set to the radius of the inner peripheral surface of main part 61 equal, permanent magnet 19 being set up with the state of directly fitting with the inner periphery of the main part 61 at magnetic material not via yoke (Yoke), such as, is fitted by adhesives etc.By permanent magnet 19 is set to cylindrical shape along the inner peripheral surface of main part 61, thus the outer circumference surface of stator 13 entirety covers by permanent magnet 19.In addition, permanent magnet 19 is to be divided into the inner periphery that multiple states is added into main part 61 in a circumferential direction.
In the inner peripheral surface of permanent magnet 19 being arranged on this cylindrical shape, the magnetic pole of N pole and S pole is circumferentially by alternating magnetization.Specifically, N pole and S pole are respectively by each 10 poles, and the magnetic pole alternating magnetization amounting to 20 poles is that N pole and S are extremely arranged side by side.
(stator)
Fig. 4 is the oblique drawing of stator 13.
As shown in Figure 3, Figure 4, stator 13 is combined by pawl pole first stator unit 20A and the second stator unit 20B and is configured on the axial direction of axletree 11, first stator unit 20A exports A phase exchange current voltage, and the second stator unit 20B exports B phase exchange current voltage.
Each first stator unit 20A, the second stator unit 20B comprises respectively: by the stator core (core) 91 of the outer tubular be fixed on axletree 11; By the bobbin 92 of the outer tubular be fixed on stator core 91; Bobbin is wound into the coil 93 of ring-type; And be formed the gasket unit 94 that the surrounding of this bobbin 92 covered from the axial direction both end sides of each bobbin 92.In addition, due to the first stator unit 20A, the second stator unit 20B structure is separately substantially identical, therefore in the first following embodiment, mainly the first stator unit 20A is described, and as required to the difference of the first stator unit 20A and the second stator unit 20B.
Fig. 5 is the bobbin 92 of the first stator unit 20A and the oblique drawing of stator core 91, and Fig. 6 is the arrow view of A in Fig. 5.
As shown in Fig. 5, Fig. 6, stator core 91 magnetic for tool sheet material is bent to cross section be roughly C-shaped thus be formed cylindrical shape.By like this, in stator core 91, slit portion (wiring part) 91a is axially formed.
Bobbin 92 is by by the main part 92a of the outer tubular be fixed on stator core 91, and a pair outside flange portion 92b be integrally formed at the axial direction two ends of main part 92a, and 92c is integrated.Further, in the housing recess 95 formed by the outer circumference surface of main part 92a and the side of a pair outside flange portion 92b, 92c, coil 93 by the end of reel circlewise.
In addition, in the inner peripheral surface of main part 92a, interconnecting part 96 (wiring part) is axially one-body molded in the place that the slit portion 91a with stator core 91 is corresponding.Interconnecting part 96 is formed corner tubular thus can embeds slit portion 91a, and can be inserted by two groups of coils 93 within it.
Here, the position of the slit portion 91a of stator core 91 and the interconnecting part 96 of bobbin 92 is corresponding with the first slit portion 103a described later being formed on gasket unit 94.By like this, just coil 93 can be inserted into (specifically aftermentioned) in interconnecting part 96.
In addition, in the bobbin 92 of the second stator unit 20B, ready-made interconnecting part 96 is not had.
In addition, at a pair outside flange portion 92b, in 92c, radially direction forms slit portion 97a respectively, 97b ((first) bobbin side slit portion 97a and (second) bobbin side slit portion 97b).Slit portion 97a, 97b are formed for being pulled out outside the axial direction of bobbin 92 by the coil be wound onto in housing recess 95 93, and are formed on from the neighboring of each outside flange portion 92b, 92c to main part 92a a little between front.In addition, slit portion 97a, 97b are formed on the position of departing from a circumferential direction with interconnecting part 96.
In addition, at a pair outside flange portion 92b, on the lateral surface of 92c, be formed with the positioning convex portion 98a of 3 cross sections roughly semicircular in shape shape respectively, 98b.Be formed on three positioning convex portion 98a on the outside flange portion 92b of the first end P side of axletree 11, and be formed on axletree 11 the second end Q side outside flange portion 92c on three positioning convex portion 98b respectively to be arranged on circumferentially at equal intervals.This positioning convex portion 98a, 98b are formed for positioning gasket unit 94.
Here, be formed on the position of slit portion 97a on the outside flange portion 92b of the first end P side of axletree 11 and positioning convex portion 98a, with be formed on axletree 11 the second end Q side outside flange portion 92c on slit portion 97b and the position of positioning convex portion 98b, be not set to the position superposed in the axial direction, but be arranged on the position (specifically aftermentioned) of circumferentially departing from.This is because will to two the pad 94a forming gasket unit 94,94b locates respectively.Below, will be described in detail gasket unit 94.
Fig. 7 is the oblique drawing of the pad 94a forming gasket unit 94, and Fig. 8 is from the planar view viewed from axial direction by the first pad 94a.
Here, gasket unit 94 is by the first mounted pad 94a of the first end P side of the axletree 11 from bobbin 92 (with reference to Fig. 3), and the second end Q side second mounted pad 94b of (with reference to Fig. 3) of axletree 11 from bobbin 92 is configured.In addition, because two pad 94a, 94b are identical shape, therefore in the following description, only the first pad 94a is described, and the second pad 94b is described as required.
As shown in Figure 7, Figure 8, first pad 94a be by the outside flange portion 92b of the first end P side of the axletree 11 of bobbin 92 (with reference to Fig. 5) and with the first end P side of the axletree 11 of stator core 91 connect roughly in discoideus side plate 101, axially the bending multiple stator teeths 102 (102-1) extended are integrated with the neighboring from side plate 101.The length of the axial direction of stator teeth 102 (102-1) is set to the same length with the axial direction of present 92.
Here, when the number of magnetic poles of the permanent magnet 19 using rotor 12 is as P, the quantity A of stator teeth 102 is set to meet:
A＝P/2…(1)
In the present first embodiment, because number of magnetic poles P is set to 20 poles, therefore the quantity A of stator teeth 102 is set to:
A=P/2=20/2=10
In addition, multiple stator teeth 102 (102-1), to be arranged on circumferentially at equal intervals, is set to corresponding via space in radial directions with the permanent magnet 19 of rotor 12.In addition, be formed can to the size of the stator teeth 102 (102-1) of plug-in mounting second pad 94b between two stator teeths 102 (102-1) adjacent in a circumferential direction for stator teeth 102 (102-1).
In the outer peripheral edges of side plate 101, formed by U-shaped groove 101a between stator teeth 102 adjacent in a circumferential direction.By like this, while can preventing consuming stress locally between side plate 101 and stator teeth 102, the situation that the stator teeth 102 (102-2) of the second pad 94b contacts with side plate 101 can also be prevented.
In addition, the inserting hole 101b that axletree 11 can be inserted is formed with in the radial direction central authorities of side plate 101.In addition, in side plate 101, multiple around inserting hole 101b (in the present first embodiment, 5) stator teeth 103 is to be arranged on circumferentially at equal intervals.
As Fig. 8 in detail shown in, slit 103, while having and suppressing to flow through the effect of the vortex flow of the first pad 94a, also has the effect of the passage portion as the coil 93 inserted by the coil that pulls out laterally from bobbin 92.Slit 103 is arranged between U-shaped groove 101a and inserting hole 101b, and the first slit portion 103a extended by radially direction and the second slit portion 103b bending extension from the radial direction external side end of the first slit portion 103a to circumferencial direction is connected and is formed.
The forming position of the second slit portion 103b is set at inside the radial direction of U-shaped groove 101a of side plate 101.That is, the forming position of the second slit portion 103b is set at the center of U-shaped groove 101a in the circumferencial direction of side plate 101, and inside the radial direction being in side plate 101.By like this, the second slit portion 103b just can not hinder the magnetic flux produced by stator teeth 102 to be transferred in stator core 91 via side plate 101.
Forming position about the first slit portion 103a is described in detail.
Namely, when total number (the total number hereinafter referred to as stator teeth 102) of the stator teeth 102 (102-1) of the first pad 94a and the stator teeth 102 (102-2) of the second pad 94b is as SA, the angle delta D that the center P2 of the center P1 of the circumferencial direction of the first slit portion 103a and the circumferencial direction of stator teeth 102 departs from is set to meet
ΔD＝360/(SA×2)…(2)
In the present first embodiment, because the total number SA of stator teeth 102 is 20, the angle delta D that therefore the center P2 of the center P1 of the circumferencial direction of the first slit portion 103a and the circumferencial direction of stator teeth 102 departs from is set to
Δ D=360/ (SA × 2)=360/ (20 × 2)=9 degree
Here, due to each pad 94a, the number of the stator teeth 102 of 94b is respectively 10, angle between the center of the circumferencial direction of two therefore adjacent in a circumferential direction stator teeths 102 is 360/10=36 degree, and the angle between the center P3 of circumferencial direction of two adjacent in a circumferential direction stator teeths 102 and center P2 of the circumferencial direction of stator teeth 102 is 360/2=18 degree.
That is, the center P1 of the circumferencial direction of the first slit portion 103a becomes the center between the center P2 of the circumferencial direction of center P3 between two in a circumferential direction adjacent stator teeths 102 and stator teeth 102.
By such structure, as shown in Fig. 1, Fig. 4, the first pad 94a is mounted from the first end P side of the axletree 11 of bobbin 92, and the second pad 94b is mounted from the second end Q side of the axletree 11 of bobbin 92.And, while the outside flange portion 92b of first end P side (with reference to Fig. 5) of side plate (the first side plate) 101 and the axletree 11 of bobbin 92 of the first pad 94a and the first end P side of the axletree 11 of stator core 91 docks, the side plate (the second side plate) 101 of the second pad 94b docks with the outside flange portion 92c of the second end Q side (reference Fig. 5) of the axletree 11 of bobbin 92 and the second end Q side of the axletree 11 of stator core 91.
In addition, between the circumferentially adjacent stator teeth 102 (102-1) of the first pad 94a, each stator teeth 102 (102-2) of the second pad 94b is in plug-in mounting state respectively.That is, gasket unit 94 is arranged alternately the stator teeth 102 (102-2) of the stator teeth 102 (102-1) of the first pad 94a and the second pad 94b in a circumferential direction.
In addition, each pad 94a, 94b by embedding each outside flange portion 92b being formed on bobbin 92 respectively, the positioning convex portion 98a on 92c, 98b, thus can prevent departing from of circumferencial direction while location.
Here, departing from (phase shift) of the circumferencial direction of the first pad 94a and the second pad 94b, between the center P2 of the center P3 between two adjacent in a circumferential direction stator teeths 102 and the circumferencial direction of stator teeth 102, be similarly 36/2=18 degree.
Namely, as shown in Figure 6, be formed on the position of slit portion 97a on the outside flange portion 92b of the first end P side of axletree 11 and positioning convex portion 98a, and be formed on axletree 11 the second end Q side outside flange portion 92c on slit portion 97b and the deviation angle Δ θ of position of positioning convex portion 98b be set to 18 degree.
In addition, as Fig. 8 in detail shown in, be set to coincidence formula (2) at the deviation angle Δ D of the center P1 of circumferencial direction of the first slit portion 103a of the slit 103 of the upper formation of each pad 94a, 94b and the center P2 of the circumferencial direction of stator teeth 102.Therefore, the first slit portion 103a be formed on the first pad 94a superposes mutually in the axial direction with the first slit portion 103a be formed on the second pad 94b.
Here, the first slit portion 103a being formed on the forming position of the interconnecting part 96 on bobbin 92 and each pad 94a, 94b is corresponding.Therefore, interconnecting part 96 is connected with the first slit portion 103a of each pad 94a, 94b.
On the other hand, be formed on the pad 94a that the forming position of each slit portion 97a, the 97b on bobbin 92 is corresponding with each, the U-shaped groove 101a of 94b is corresponding.Specifically, the forming position of slit portion 97a is in the center of the circumferencial direction of the U-shaped groove 101a of pad 94a, and the forming position of slit portion 97b is in the center of the circumferencial direction of the U-shaped groove 101a of pad 94b.Therefore, the second slit portion 103b and the slit portion 97a be formed on bobbin 92,97b superposes mutually in the axial direction.By like this, the second slit portion 103b and each slit portion 97a, 97b is connected.
By such structure, the first stator unit 20A and the second stator unit 20B is arranged on axletree 11 side by side.Distance washer 104 is provided with between the first stator unit 20A and the second stator unit 20B.Distance washer 104, by outer ring (Ring) the shape object be fixed on axletree 11, is formed slit 104a in the first slit portion 103a corresponding section of interconnecting part 96 and each pad 94a, 94b with bobbin 92.By forming slit 104a, the interconnecting part 96 of bobbin 92 and the first slit portion 103a of each pad 94a, 94b can prevent from being subject to inaccessible situation due to distance washer 104.
In addition, by arranging distance washer 104, between the first stator unit 20A and the second stator unit 20B, can guarantee this first stator unit 20A, the gap K1 of the specified size that the second stator unit 20B is separated in the axial direction.This gap K1 is used as the space of configuration coil 93.
In addition, the position of the stator teeth 102 of each stator unit 20A, 20B is only departed from specified angle by the first stator unit 20A and the second stator unit 20B in a circumferential direction mutually, that is, phase shifting and being grouped together.By like this, from the two-phase exchange current voltage of the A phase of phase deviation and B phase from each stator unit 20A, 20B each coil 93 be output.
In addition, in order to the first stator unit 20A and the second stator unit 20B is set to phase deviation, in the bobbin 92 of the second stator unit 20B, do not form interconnecting part 96 as mentioned above.Owing to not forming interconnecting part 96, in the slit portion 91a of stator core 91, do not embed interconnecting part 96 yet.Therefore, the second stator unit 20B rotates freely in a circumferential direction, it can be made only to rotate in a circumferential direction with specified angle relative to the first stator unit 20A thus fix.To carry out aftermentioned to the fixing means of this first stator unit 20A and the second stator unit 20B.
(method for drawing out of coil)
Here, according to Fig. 3 ~ Fig. 5, Fig. 7, the coil 93 be wound onto on the first stator unit 20A and the method for drawing out of coil 93 that is wound onto on the second stator unit 20B are described.
First, the method for drawing out of the coil 93 (the first coil 93a) be wound onto on the first stator unit 20A is described.
This coil 93 (93a) by side, top via be formed on bobbin 92 axletree 11 first end P side outside flange portion 92b on slit portion 97a and go out at the first end P layback of axletree 11, and to be wound in the housing recess 95 of present 92 with this state.Further, the terminal of coil 93 (93a) also goes out at the first end P layback of axletree 11 via slit portion 97a.In addition, the terminal part of the coil 93 (93a) be drawn out from slit portion 97a goes out at the first end P layback of axletree 11 via the second slit portion 103b of the first pad 94a be communicated with slit portion 97a.
Then, the method for drawing out of the coil 93 (the second coil 93b) be wound onto on the second stator unit 20B is described.
This coil 93 (93b) also by side, top via be formed on bobbin 92 axletree 11 first end P side outside flange portion 92b on slit portion 97a and go out at the first end P layback of axletree 11, and to be wound in the housing recess 95 of present 92 with this state.Further, the terminal of coil 93 (93b) also goes out at the first end P layback of axletree 11 via slit portion 97a.In addition, the terminal part of the coil 93 (93b) be drawn out from slit portion 97a goes out at the first end P layback of axletree 11 via the second slit portion 103b of the first pad 94a be communicated with slit portion 97a.
The terminal part of the coil 93 (93b) be drawn out in the first end P side of axletree 11 from the first pad 94a is via the slit 104a of the gap K1 be formed between the first stator unit 20A and the second stator unit 20B and distance washer 104, be inserted in the interconnecting part 96 of the first stator unit 20A and the first slit portion 103a of each pad 94a, 94b.Further, the terminal part of coil 93 (93b) is drawn out in the first end P side of the axletree 11 of the first stator unit 20A.
By like this, the first end P side of the axletree 11 of the terminal part of the coil 93 (93a) in the first stator unit 20A at stator 13 together with the terminal part of the coil 93 (93b) in the second stator unit 20B is drawn out.
(limiting unit)
As shown in Figure 3, in axletree 11, be provided with the limiting unit 105 that the movement on the axial direction of stator 13 and rotation are circumferentially limited in the part of the axial direction both sides being positioned at stator 13.Limiting unit 105 comprises: in axletree 11, is arranged on the special nut (SpecialNut) 30 of the first end P side of the axletree 11 of stator 13, and is arranged on the stator stationary member 37 of the second end Q side of axletree 11.
The the first stator unit 20A and the second stator unit 20B that form stator 13 pass through special nut 30 and stator stationary member 37, and the distance washer 104 be arranged between the first stator unit 20A and the second stator unit 20B, thus be clamped and fixed in the position location of axial direction.Further, by the friction drag owing to being produced by clamping, the rotation circumferentially of the first stator unit 20A and the second stator unit 20B is also restricted.
Special nut 30 comprises: the sleeve part 30a being formed on the first end P side of axletree 11, and the flange portion 30b that external diameter is extended relative to the sleeve part 30a of the first end P side being formed on axletree 11.Further, by the outer screw section 11a of the female threaded portion 30d and axletree 11 that are formed in inner periphery is tightened, thus be fixed on the excircle of axletree 11.
The outer circumference surface of sleeve part 30b is fixed on by press-in etc. the bearing making foreign steamer be fitted to the second end plate 80 and is fitted together on the inner periphery of the interior wheel of the bearing 22 in wall 83.Flange portion 30b is formed the internal diameter that external diameter is greater than bearing 22, and the end face being positioned at the first end P side of axletree 11 docks in the axial direction with the wheel of bearing 22.By like this, bearing 22 is installed to be foreign steamer side and rotates freely around axletree 11.
On the other hand, the end face being arranged in the second end Q side of flange portion 30b axletree 11 docks in the axial direction with the side plate 101 of the first pad 94a forming the first stator unit 20A.
Here, as shown in Figure 4, the outer circumference surface of special nut, the groove 30c that the terminal part that the position corresponding with the slit 103 be formed on the first pad 94a form the coil 93 for being drawn out the first end P side of the axletree 11 at stator 13 pulls out to the outside of hub generator 10.
As shown in Figure 3, adaptor union (Connector) 40 is arranged on the outside of the second end plate 80, and the terminal part of coil 93 is directed in this adaptor union 40.The terminal part of this coil 93 via the wire pulling unit 43 being directed to adaptor union 40 in the groove 30c (with reference to Fig. 4) of special nut 30, and pulled into the outside of hub generator 10 by wire pulling unit 43.The sleeve part 30 of special nut 30 is inserted into the inner peripheral portion of adaptor union 40, and adaptor union 40, via packing ring (Washer) 45, is fixed on axletree 11 by nut 46.
Compared to the second end Q side more front of the stator stationary member 37 in axletree 11 from axletree 11, be provided with sleeve 50.This sleeve 50 is the cylindrical members being formed with negative thread 50c on inner peripheral surface, is screwed into the outer screw section 11a of axletree 11 from the second end Q side of axletree 11.Specifically, sleeve 50 comprises: the sleeve body 50a being formed on the first end P side of axletree 11, and the flange portion 50b that external diameter is extended relative to the sleeve body 50a of the second end Q side being formed on axletree 11.
This flange portion 50b is formed polygonal tubular, and the end face of the first end P side of axletree 11 docks in the axial direction with the interior wheel of the bearing 21 of the first end plate 70 side.Sleeve body 50a is formed cylindrical shape, and is embedded within the inner circumferential of the interior wheel of the bearing 21 of the first end plate 70 side.Specifically, the external diameter of sleeve body 50a is set to equal with the internal diameter of bearing 21 or slightly larger, is fixed in the inner circumferential of wheel in bearing 21 by press-in etc.
The outside of the first end plate 70 is provided with the lid (Cover) 54 bearing 21 and sleeve 50 covered.Lid 54 is bowl-shape, that is, be the component of the truncated cone shape being formed opening, anti-sealing or dust etc. are externally to the intrusion of the inside of rotor 12.Be provided with in order to sleeve 50 is locked in the inner peripheral portion of lid 54 and be screwed into the nut 52 in axletree 11.
(electrification structure)
The generating of the hub generator 10 be so constructed is carried out with following main points.
That is, when front-wheel 5 rotates, the rotor 12 be connected with front-wheel 5 is together rotated around axletree 11 by spoke 2 and front-wheel 5, and permanent magnet 19 rotates around stator 13.
By the magnetic flux of the permanent magnet 19 of rotation, be arranged on each stator unit 20A, the stator teeth 102 (102-1) of the first pad 94a of the first end P side of the axletree 11 of 20B is S pole, be arranged on the state that the stator teeth 102 (102-2) of the second pad 94b of the second end Q side of axletree 11 is N pole, be N pole with the stator teeth 102 (102-1) of the first pad 94a, the stator teeth 102 (102-2) being arranged on the second pad 94b of the second end Q side of axletree 11 is alternately repeated for the state of S pole.
By like this, alternating flux is produced at the stator core 91 of the first stator unit 20A of A phase and the stator core 91 of the second stator unit 20B of B phase, by this alternating flux, electric current flows through first and second stator unit 20A, each coil 93 (93a, 93b) of 20B thus generate electricity.
Now, the exchange current voltage be output from the coil 93 (93a) of the first stator unit 20A and the exchange current voltage-phase skew be output from the coil 93 (93b) of the second stator unit 20B, the point that alternating voltage falls 0V does not simultaneously have.
(effect)
In the above-described first embodiment, on the bobbin 92 of the first stator unit 20A, this is interconnecting part 96, via this interconnecting part 96, is gone out by the first end P layback of the coil 93 be wound onto on the second stator unit 20B to the axletree 11 of the first stator unit 20A.Therefore, such as, do not need the peripheral part of coil 93 around hub generator 10.Therefore, it is possible to do not lose designability or the performance of hub generator 10, and can will be wound onto two stator unit 20A, the terminal part of the coil 93 on 20B pulls out together from the first end P side of axletree 11.
In addition, interconnecting part 96 in the inner peripheral surface side of the main part 92a of bobbin 92 by integrated while, stator core 91 is formed the slit portion 91a embedded by interconnecting part 96.Therefore, the bobbin 92 of the first stator unit 20A does not configure yet the coil 93 being wound onto the second stator unit 20B.Therefore, by succinct structure, designability or the performance of hub generator 10 can not lost, and can will be wound onto two stator unit 20A, while the terminal part of the coil 93 on 20B pulls out together from the first end P side of axletree 11, the situation that the Occupation efficiency of the coil 93 be wound onto on the bobbin 92 of the first stator unit 20A declines can also be prevented.
In addition, be embedded in slit portion 91a by interconnecting part 96, while the situation preventing bobbin from rotating relative to axletree 11 occurs, can also easily can position the position of bobbin 92.
Further, because the slit portion 91a of stator core 91 or interconnecting part 96 axial direction along axletree 11 is formed, therefore, it is possible to using the configuration path of coil 93 as shortest path.
In addition, by forming slit (the first passage portion, alternate path portion) 103 on the side plate 101 of each pad 94a, 94b forming gasket unit 94, successfully coil 93 can be pulled out from each side plate 101.Therefore, it is possible to prevent the situation of coil 93 local bending, coil can also be configured smoothly.
In addition, form slit 103 by the first slit portion 103a and the second slit portion 103b, the deviation angle Δ D of the center P2 of the center P1 of the circumferencial direction of the first slit portion 103a and the circumferencial direction of stator teeth 102 is set to coincidence formula (2).Therefore, even if the first pad 94a and the second pad 94b is set to same shape, when being assembled by this two pad 94a, 94b, also can make this pad 94a, the first slit portion 103a of 94b superposes in the axial direction.Therefore, it is possible to seeking the common of part, while reducing the manufacturing cost of hub generator 10, the assembling capacity of hub generator 10 can also improved.
In addition, by forming slit 103, when generating electricity with hub generator 10, the situation producing vortex flow in the side plate 101 of each pad 94a, 94b can be suppressed.
In addition, in the first above-mentioned embodiment, to in bobbin 92, be formed on the position of slit portion 97a on the outside flange portion 92b of the first end P side of axletree 11 and positioning convex portion 98a, with be formed on axletree 11 the second end Q side outside flange portion 92c on slit portion 97b and the position of positioning convex portion 98b, be not set to the position superposed in the axial direction, but the situation being arranged on the position of circumferentially departing from is described.In addition, the situation each slit portion 97a, 97b being formed on to the position of departing from a circumferential direction with interconnecting part 96 is described.
But, embodiments of the present invention are not limited only to this, such as, as shown in the oblique drawing of bobbin 92 in the variation of basis first embodiment of Fig. 9 display, to the slit portion 97a on the outside flange portion 92b of the first end P side of axletree 11 be formed on, and be formed on axletree 11 the second end Q side outside flange portion 92c on slit portion 97b be formed as overlapping in the axial direction, in addition, each slit portion 97a, 97b are formed as being connected with interconnecting part 96 also can.
In addition, even if under these circumstances, be formed on the positioning convex portion 98a on the outside flange portion 92b of the first end P side of axletree 11, with be formed on axletree 11 the second end Q side outside flange portion 92c on the position of positioning convex portion 98b must according to corresponding pad 94a, the phase place of 94b and arranging.
(the second embodiment) (hub generator)
Then, will be described the second embodiment of the present invention according to Figure 10, Figure 11.In addition, to the form identical with aforesaid first embodiment, represent with identical symbol and omit the description.
Figure 10 is the section drawing of hub generator 210 in the second embodiment of the present invention.
As shown in Figure 10, the bobbin 92 that the difference of aforesaid first embodiment and the second embodiment is the first stator unit 20A is in the first embodiment formed with interconnecting part 96, but the bobbin 292 of the first stator unit 220A in this second embodiment does not form interconnecting part 96.Further, at the slit portion 91a of the stator core 91 of the first stator unit 20A, and in the slit portion 91a of the stator core 91 of the second stator unit 20B, the lead unit 206 be inserted in these two slit portion 91a is configured with.
(lead unit)
Figure 11 is the lateral plan of lead unit 206.
As shown in figure 11, lead unit 206 by two wires 207, and by the resin die portion (covering portion) 208 shaping by resin die coated for these two wires 207 form.
The sectional area in resin die portion 208 is set to be configured in each stator unit 20A, the size on the slit portion 91a of the stator core 91 in 20B.In addition, the length in resin die portion 208 is set under the state being arranged on axletree 11 by each stator unit 20A, 20B, and its two ends are slightly from each stator unit 20A, length outstanding in 20B.
The terminal part of two wires 207 is given prominence to from the two ends in resin die portion 208 respectively.
By such structure, as shown in Figure 10, be wound onto the top of the coil 93 (93b) of the second stator unit 20B and terminal respectively via be formed on bobbin 92 axletree 11 the second end Q side (in Figure 10 right side) outside flange portion 92b on slit portion 97a thus the second end Q side to axletree 11 be drawn out.Further, the top of coil 93 (93b) and terminal are connected by scolding tin with one end of two wires 207 of lead unit 206 respectively.
On the other hand, the other end of two wires 207 of lead unit 206 is drawn out to the first end P side of axletree 11 (in Figure 10 left side) together with the coil 93 (93a) being wound onto the first stator unit 20A.
Therefore, according to above-mentioned second embodiment, as shown in foregoing first embodiment, do not need the coil 93 (93b) being wound onto the second stator unit 20B to be inserted in the interconnecting part 96 of the first stator unit 20A and the first slit portion 103a of each pad 94a, 94b.Therefore, the erecting work of hub generator 210 can just be improved.
In addition, the first stator unit 20A can be made identical with the second stator unit 20B structure, and while minimizing number of parts, part management facilitation can be made.
In addition, can go out being wound onto the top of the coil 93 (93b) of the second stator unit 20B and terminal the second end Q layback to the axletree 11 of the subtend with the first stator unit 20A.And, as long as the top of the coil 93 (93b) of pull-out and terminal are connected with one end of two wires 207 of lead unit 206, just the top and terminal that are wound onto the coil 93 (93b) of the second stator unit 20B similarly can be gone out towards the first end P layback of axletree 11.Therefore, it is possible to simplify to the top of the coil 93 (93b) be wound onto on the second stator unit 20B and the pull-out of terminal, the erecting work of hub generator can also be improved further.
In addition, in the above-described 2nd embodiment, situation about being connected by scolding tin with one end of two wires 207 of lead unit 206 respectively in the top of coil 93 (93b) and terminal is described.But embodiments of the present invention are not limited only to this, coil 93 (93b) is connected with wire 207 and also can.Such as, crimp type terminal etc. can also be used to connect.
In addition, in the above-described 2nd embodiment, to lead unit 206 by two wires 207, and by the resin die portion 208 shaping by resin die coated for these two wires 207 situation about forming be described.But embodiments of the present invention are not limited only to this, two wires 207 of lead unit 206 also can by the component with insulativity is coated.Such as, do not use resin die portion 208, and use resinous flexible pipe also can coated for two wires 207.
In addition, the present invention is not limited only to above-mentioned embodiment, without departing from the spirit and scope of the invention, adds various change also can to above-mentioned embodiment.
Such as, in the above-described embodiment, by special nut 30 and stator stationary member 37 to forming the first stator unit 20A of stator 13 and the second stator unit 20B, and the distance washer 104 be arranged between the first stator unit 20A and the second stator unit 20B, thus the situation being clamped and fixed in the position location of axial direction is described.Further, to the friction drag passed through owing to being produced by clamping, the situation that the rotation circumferentially of the first stator unit 20A and the second stator unit 20B is also restricted is described.But embodiments of the present invention are not limited only to this, the relation that the phase place the first stator unit 20A and the second stator unit 20B being set to circumferencial direction offsets with specified angle and combining, or circumferencial direction registration device is set also can.
In addition, in the bobbin 92 of the second stator unit 20B, ready-made interconnecting part 96 is not had.But embodiments of the present invention are not only defined to this, interconnecting part 96 are set on present 92 of the second stator unit 20B and also can.In this case, the position being formed on the interconnecting part 96 on present 92 of the second stator unit 20B is set to offset ideal with the phase place of the circumferencial direction of the second stator unit 20B relative to the first stator unit 20A with specified angle.
In addition, in the above-described embodiment, the situation that stator 13 is made up of two stator unit 20A, 20B is illustrated.But embodiments of the present invention are not only defined to this, form stator 13 by the stator units of more than three and also can.In this case, according to the direction that the coil be wound onto on each stator unit 93 is pulled out, thus the bobbin 92 of stator unit required again forms interconnecting part 96 also can.
Further, in the above-described embodiment, about in the side plate 101 of each pad 94a, 94b, around inserting hole 101b, 5 slits 103 are illustrated with situation about being arranged at equal intervals circumferentially.But the form of slit 103 is not restricted to 5.
[utilizing possibility in industry]
By hub generator of the present invention, in the side of the reverse side contrary with the second stator unit side of the first stator unit, can by the second coil pull-out via wiring part.Therefore, it is possible to do not lose designability or the performance of hub generator, and the terminal part of the coil be wound onto on each stator unit all can be pulled out in the same direction.
Nomenclature
5 front-wheels (wheel)
10 hub generators
11 axletrees
12 rotors
19 permanent magnets (magnetic pole)
20A first stator unit
20B second stator unit
61 main parts (cylinder portion)
91 stator cores (core)
91a slit portion (wiring part)
92 bobbins
92a main part
93 coils
93a coil (the first coil)
93b coil (the second coil)
94 washer unit
94a first pad
94b second pad
96 interconnecting parts (wiring part)
97a slit portion ((first) bobbin side slit portion)
97b slit portion ((second) bobbin side slit portion)
101 side plates (the first side plate, the second side plate)
102 stator teeths
102-1 first stator teeth
102-2 second stator teeth
103 slits (the first passage portion, alternate path portion)
103a first slit portion
103b second slit portion
206 lead units
207 wires
208 resin die portions (covering portion)
Claims (12)
1. a hub generator, comprising:
Rotor, rotates and has the cylinder portion being formed with magnetic pole on inner peripheral surface together with wheel;
At least two stator units, comprise and to be arranged on inside described cylinder portion and to have the first stator unit of the first coil and have the second stator unit of the second coil; And
Axletree, inside the radial direction being set to run through each coil, and each stator unit is by outer fixing, it is characterized in that:
Wherein, described first stator unit has the wiring part of any one party in the wire being configured with described second coil and be connected with this second coil.
2. hub generator according to claim 1, is characterized in that:
Wherein, described first stator unit comprises:
There is the bobbin of the main part of the tubular being wound with described first coil,
Be arranged on the iron core of the tubular between described axletree and described main part, and
Be set to be connected with described iron core and with the gasket unit of described cylinder portion subtend in radial directions;
Described wiring part be arranged in the inner side of described main part and described iron core at least on either party.
3. hub generator according to claim 2, is characterized in that:
Wherein, in described iron core, form slit portion, and this slit portion is played performance as described wiring part.
4. hub generator according to claim 3, is characterized in that:
Wherein, described slit portion is formed along the axial direction of described axletree.
5. hub generator according to claim 4, is characterized in that:
Wherein, formed in described bobbin and be embedded in the interconnecting part of slit portion, this interconnecting part and described slit portion collaborative work thus play performance as described wiring part.
6. hub generator according to claim 5, is characterized in that:
Wherein, described interconnecting part is communicated with the outside face of described main part.
7. the hub generator according to any one of claim 2 ~ 6, is characterized in that:
Wherein, the first pad that described gasket unit is assembled by the first side of the axial direction from described iron core, and the second pad be assembled from the second side of the axial direction of described iron core formed,
Described first pad there is the first side plate of contacting with the first end of the axial direction of described iron core and extend from the neighboring of described first side plate to the second side of the axial direction of described iron core and with multiple first stator teeths of described cylinder portion subtend in radial directions;
Described second pad there is the second side plate of contacting with the second end of the axial direction of described iron core and extend from the neighboring of described second side plate to the first side of the axial direction of described iron core and with multiple second stator teeths of described cylinder portion subtend in radial directions;
Described first pad and described second pad are set to described first stator teeth and described second stator teeth is arranged alternately in a circumferential direction;
Described first side plate is formed the first passage portion described second coil can inserted, on described second side plate, form the alternate path portion that described second coil can be inserted, and this first passage portion and alternate path portion are set to superpose mutually in the axial direction simultaneously.
8. hub generator according to claim 7, is characterized in that:
Wherein, using total number of described first stator teeth and described second stator teeth as SA time,
While the center of the circumferencial direction of described first passage portion is arranged on and departs from from the center of the circumferencial direction of described first stator teeth the position spent 360/ (SA × 2), the center of the circumferencial direction in described alternate path portion is arranged on departs from from the center of the circumferencial direction of described second stator teeth the position spent 360/ (SA × 2).
9. the hub generator according to any one of claim 1 ~ 8, is characterized in that:
Wherein, lead unit is set in described wiring part,
Described lead unit comprises described wire and this wire coated and has the covering portion of insulativity,
One end of described wire is connected with described second coil.
10. the hub generator according to any one of claim 1 ~ 9, is characterized in that:
Wherein, described second stator unit has described wiring part.
11., according to the hub generator described in claim 7 or 8, is characterized in that:
Wherein, described first passage portion and described alternate path portion are formed the first slit portion of extending with the radial direction along described gasket unit and the second slit portion from the radial direction external side end of described first slit portion to circumferencial direction that bend extension from is connected.
12., according to the hub generator described in claim 11, is characterized in that:
Wherein, be set to superpose mutually in the axial direction to the bobbin side slit portion forming the radial direction extension stating bobbin to some extent with described second slit portion.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013202491A JP6286170B2 (en) | 2013-09-27 | 2013-09-27 | Hub dynamo |
| JP2013-202491 | 2013-09-27 | ||
| PCT/JP2014/067788 WO2015045544A1 (en) | 2013-09-27 | 2014-07-03 | Hub dynamo |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105492308A true CN105492308A (en) | 2016-04-13 |
| CN105492308B CN105492308B (en) | 2018-11-30 |
Family
ID=52742702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480044815.8A Expired - Fee Related CN105492308B (en) | 2013-09-27 | 2014-07-03 | Hub generator |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6286170B2 (en) |
| CN (1) | CN105492308B (en) |
| DE (1) | DE112014004398B4 (en) |
| IN (1) | IN2015DN03260A (en) |
| WO (1) | WO2015045544A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117134545A (en) * | 2023-10-27 | 2023-11-28 | 厚华(天津)动力科技有限公司 | Efficient heat dissipation hub motor |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE542930C2 (en) | 2018-03-23 | 2020-09-15 | Bae Systems Haegglunds Ab | Arrangement for reducing eddy current losses of an outer rotor electric machine |
| DE102020002377A1 (en) | 2020-04-20 | 2021-10-21 | Bastian Bechtle | ENERGY GENERATION IN COMMERCIAL ROLES THROUGH INTEGRATION OF A HUB DYNAMOS |
| JP7223233B2 (en) * | 2020-05-11 | 2023-02-16 | ダイキン工業株式会社 | motor |
| DE102020215269A1 (en) * | 2020-12-03 | 2022-06-09 | Mahle International Gmbh | Electrical stator for an expansion valve |
| JP7364951B1 (en) * | 2022-03-30 | 2023-10-19 | ダイキン工業株式会社 | Rotating electric machines, blowers, compressors, refrigeration equipment, vehicles |
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| JPH09286365A (en) * | 1996-04-18 | 1997-11-04 | Mitsuba Corp | Hub dynamo for bicycle |
| JP2001327139A (en) * | 2000-05-17 | 2001-11-22 | Sanyo Electric Co Ltd | Hub dynamo for bicycle and the bicycle |
| JP2007049844A (en) * | 2005-08-11 | 2007-02-22 | Shinano Kenshi Co Ltd | Outer-rotor motor |
| US20120080252A1 (en) * | 2010-09-30 | 2012-04-05 | Sanyo Consumer Electronics Co., Ltd. | Electric bicycle hub unit, and electric bicycle including the hub unit |
| JP2012101703A (en) * | 2010-11-11 | 2012-05-31 | Mitsuba Corp | Hub dynamo |
| JP2013159242A (en) * | 2012-02-06 | 2013-08-19 | Takatsugu Nakano | Grounding potential supplier for hub dynamo |
| JP2013169805A (en) * | 2012-02-17 | 2013-09-02 | Seiko Instruments Inc | Small generator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5562178U (en) * | 1978-10-19 | 1980-04-26 | ||
| JP3013288B2 (en) * | 1995-08-31 | 2000-02-28 | ミネベア株式会社 | Stepping motor |
| DE19815977A1 (en) | 1998-04-09 | 1999-10-14 | Sunonwealth Electr Mach Ind Co | Generator arrangement for vehicle |
| JP5580064B2 (en) | 2010-01-28 | 2014-08-27 | 株式会社ミツバ | Hub dynamo |
-
2013
- 2013-09-27 JP JP2013202491A patent/JP6286170B2/en not_active Expired - Fee Related
-
2014
- 2014-07-03 IN IN3260DEN2015 patent/IN2015DN03260A/en unknown
- 2014-07-03 CN CN201480044815.8A patent/CN105492308B/en not_active Expired - Fee Related
- 2014-07-03 DE DE112014004398.2T patent/DE112014004398B4/en not_active Expired - Fee Related
- 2014-07-03 WO PCT/JP2014/067788 patent/WO2015045544A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57127582U (en) * | 1981-02-02 | 1982-08-09 | ||
| JPH09286365A (en) * | 1996-04-18 | 1997-11-04 | Mitsuba Corp | Hub dynamo for bicycle |
| JP2001327139A (en) * | 2000-05-17 | 2001-11-22 | Sanyo Electric Co Ltd | Hub dynamo for bicycle and the bicycle |
| JP2007049844A (en) * | 2005-08-11 | 2007-02-22 | Shinano Kenshi Co Ltd | Outer-rotor motor |
| US20120080252A1 (en) * | 2010-09-30 | 2012-04-05 | Sanyo Consumer Electronics Co., Ltd. | Electric bicycle hub unit, and electric bicycle including the hub unit |
| JP2012101703A (en) * | 2010-11-11 | 2012-05-31 | Mitsuba Corp | Hub dynamo |
| JP2013159242A (en) * | 2012-02-06 | 2013-08-19 | Takatsugu Nakano | Grounding potential supplier for hub dynamo |
| JP2013169805A (en) * | 2012-02-17 | 2013-09-02 | Seiko Instruments Inc | Small generator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117134545A (en) * | 2023-10-27 | 2023-11-28 | 厚华(天津)动力科技有限公司 | Efficient heat dissipation hub motor |
| CN117134545B (en) * | 2023-10-27 | 2024-01-12 | 厚华(天津)动力科技有限公司 | Efficient heat dissipation hub motor |
Also Published As
| Publication number | Publication date |
|---|---|
| DE112014004398T5 (en) | 2016-06-30 |
| DE112014004398B4 (en) | 2020-06-18 |
| IN2015DN03260A (en) | 2015-10-09 |
| CN105492308B (en) | 2018-11-30 |
| JP2015067089A (en) | 2015-04-13 |
| JP6286170B2 (en) | 2018-02-28 |
| WO2015045544A1 (en) | 2015-04-02 |
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