CN103378668B - Starter-generator - Google Patents
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- CN103378668B CN103378668B CN201310153475.XA CN201310153475A CN103378668B CN 103378668 B CN103378668 B CN 103378668B CN 201310153475 A CN201310153475 A CN 201310153475A CN 103378668 B CN103378668 B CN 103378668B
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- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
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- 238000007514 turning Methods 0.000 description 1
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- Permanent Magnet Type Synchronous Machine (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention provides and can carry out correct position of rotation detection, ignition timing detection, and can reduce the starter-generator of the manufacturing cost of rotor. Rotor magnet (4) is by being configured in four flat thin magnets (41～44) that are formed as flat circle arcuation ground with the angular range of 90 degree on circumference and forming. Be formed with three magnetic pole pieces (41a, 41b, 41c, 42a, 42b, 42c, 43a, 43b, 43c, 44a, 44b, 44c) at each flat thin magnet with the angular range equating. The magnetic pole piece of adjacency is magnetized to the magnetic pole piece of different magnetic poles each other. The end of the magnetic pole piece (43) in flat thin magnet is provided with the detection magnetic pole piece (43d) having with the magnetic pole different magnetic poles of magnetic pole piece (43b). By roughly very close to each other four flat thin magnets being configured in formed to rotor magnet (4) on circumference.
Description
Technical field
The present invention relates to be equipped on the engine of automotive bicycle etc., for carrying out rising of engineThe starter-generator of moving, igniting and battery-mounted charging etc.
Background technology
Be equipped on automotive bicycle etc. engine starter-generator substantially its rotor be formed asCentral authorities have the cup-shaped of lug boss, are round along the inner side of yoke portion of the periphery wall that forms this rotorBe equipped with annularly rotor magnet, stator is wound with by being configure volumes radially in the inner side of rotorMultiple magnetic pole pieces of power coil and form the chimeric song that is fixed on engine of lug boss of rotorAxle.
And this starter-generator is used as the brushless electric machine that starter is used in the time of engine startUse, therefore, for example, described in following patent documentation 1, use in order to produce motor driverRotating position signal, be provided with position of rotation detecting sensor, in addition, for produce represent send outThe ignition timing reference signal of the ignition timing of motivation, the detection that is provided with ignition timing detection use passesSensor.
For the starter-generator with such rotation sensor, position of rotation detects sensingDevice and ignition timing detecting sensor are arranged on the interior perimembranous of stator, detect sensing with above-mentioned rotationDevice is provided with position of rotation detection ringshaped magnet opposed to each other on the side face of the lug boss of rotor, thisBe provided with opposed to each other ignition timing detection ringshaped magnet with ignition timing detecting sensor outward. CauseThis, exist the number of parts such as magnet to increase, and the axial gauge of rotor and stator increases,And easily because of the error of the magnetization position of ringshaped magnet etc. hinder correct rotating position signal,The problem of the detection of ignition timing signal.
Patent documentation 1: TOHKEMY 2003-148317 communique
Patent documentation 2: TOHKEMY 2009-89588 communique
Therefore, in the past, there is following starter-generator by propositions such as above-mentioned patent documentations 2: noPosition of rotation is set and detects with ringshaped magnet and ignition timing detection ringshaped magnet, use rotorMagnet and Magnetic Sensor produce rotating position signal and ignition timing signal.
This starter-generator is configured to: in order to utilize the magnetic flux in the magnet of Magnetic Sensor detection rotorSwitching, at the stator core of stator, multiple notch recesses are set, Magnetic Sensor is inserted in above-mentionedIn notch recesses, and in the part setting of a magnet and the magnet same pole of adjacency of rotorProperty magnetic pole piece, utilize this magnetic pole piece and produce ignition timing with the opposed Magnetic Sensor of this magnetic pole pieceDetection signal. And, for the magnet of rotor, magnetized one pole flat thin magnet is joined according to number of magnetic polesPut on circumference, and be installed on the yoke portion of rotor.
But for this starter-generator in the past, the ringshaped magnet of rotor is by the magnet of one poleThe equal intervals that sheet separates regulation is configured on circumference and forms, therefore in the time manufacturing rotor, and exampleAs being the rotor of 12 utmost points in the case of manufacturing number of poles, need to manufacture 12 flat thin magnets and by itBe magnetized into one pole, and detect in ignition timing on the flat thin magnet of use and magnetize and two kinds of magnetic poles, makeThe different magnetic poles of stating 12 flat thin magnets is adjacent to each other, and on circumference, separates equal intervals configuration.
Therefore,, in the situation that manufacturing rotor, need to and manufacture regulation by multiple flat thin magnet mouldingSize, and be magnetized into the magnetic pole of regulation, in addition, use special positioning jig by above-mentioned magneticIron plate correctly configures and is fixed on the circumference of yoke portion of rotor, therefore has the number of working processesThe problem many, manufacturing cost increases.
Summary of the invention
The present invention has put in view of the above problems, and its object is to provide one to enterThe detection of capable correct position of rotation, the detection of ignition timing, and can reduce manufacturing of rotorThis starter-generator.
In order to reach above-mentioned purpose, a kind of starter-generator of the present invention possesses: rotor, this rotorForm yoke portion and assemble rotor magnet in the inner side of yoke portion by the periphery wall at rotor subjectAnd form, above-mentioned rotor subject is provided with lug boss in central authorities, and is formed as cup-shaped; And stator,This stator is disposed in the inner side of above-mentioned rotor still, and this stator is fixed by power coil is wound inSub-iron core and forming, and there is multiple prominent utmost point portion, utilize the multiple magnetic sensings that are installed on said statorDevice detects the position of rotation of above-mentioned rotor, and by detection signal output, the spy of above-mentioned starter-generatorLevy and be, above-mentioned rotor magnet is by being formed as the multiple of flat circle arcuation with predetermined angular scopeFlat thin magnet is configured on circumference and forms, and is formed with many at this each flat thin magnet with the angular range equatingIndividual magnetic pole piece, and the magnetic pole piece of adjacency is magnetized to the magnetic pole piece of different magnetic poles each other, at thisThe end of a magnetic pole piece in flat thin magnet is provided with detection magnetic pole piece, this detection magnetic pole piece have withThe identical magnetic pole of magnetic pole of adjacency, above-mentioned rotor magnet is by by multiple flat thin magnets roughly seamlesslyBe configured on circumference and form.
According to the present invention, in the time manufacturing rotor, for example, be the rotor magnet of 12 utmost points manufacturing number of polesTime, in the case of using the flat thin magnet of one pole, rotor magnet need to have 12 flat thin magnets,But in the case of using for example magnetization to have the flat thin magnet of three magnetic poles, only need to manufacture four flat thin magnets. Due to the flat thin magnet of one pole and the processing charges during fabrication of multipole flat thin magnet are almost identical,And machining period when magnet is magnetized is also constant, therefore, with the magnetic of use one pole in the pastThe situation of iron plate is compared, and is formed with the flat thin magnet of the minority of multiple magnetic poles by use, can reduceThe manufacturing cost of rotor.
In addition, rotor magnet is multiple flat thin magnets are roughly seamlessly configured on circumference and form, therefore, in the time that the flat thin magnet of rotor magnet is installed on to the inner side of yoke portion, without picture in the pastUse like that special positioning jig to position each flat thin magnet, can be simply and group correctlyMerge distributed magnet sheet, can manufacture at an easy rate circular rotor magnet with few installation work-hour.
Here in above-mentioned starter-generator, can be configured to: multiple Magnetic Sensors are disposed in biography,In the sensor wrap portion of the substrate housing of sensor cell, and be inserted in and determine via the sensor cover portionGap between the stator core of the each prominent utmost point portion of son, the rotor magnet of above-mentioned rotor is by by differenceThe magnetic pole piece of magnetic pole is alternately configured to circular and forms, the end of above-mentioned magnetic pole piece shapeBecome to have detection magnetic pole piece, this detection magnetic pole piece has identical magnetic pole with the magnetic pole piece of adjacency, above-mentionedAny magnetic sensor configuration in multiple Magnetic Sensors becomes only to arrive above-mentioned detection magnetic pole piece.
According to the present invention, because forming, the magnetic pole piece of the specific flat thin magnet at rotor magnet detects magneticUtmost point portion, and via Magnetic Sensor detect follow rotor rotation magnetic pole switching flux change fromAnd the position of rotation of detection rotor, therefore, during fabrication, can be simply by specific flat thin magnetDetection magnetic pole piece magnetize with together with other magnetic pole piece, can utilize Magnetic Sensor reliably, surelySurely detect the position of rotation that ignition timing detects the rotor of use.
And, in above-mentioned starter-generator, in the case of manufacturing the rotor of 12 utmost points, preferablyForm as follows rotor magnetic pole: above-mentioned each flat thin magnet is formed as with the angular range of 90 degreeFlat circle arcuation, by four circular-arc flat thin magnets are configured on circumference, form circularRotor magnet, is formed with three magnetic pole pieces at each flat thin magnet with the angular range of 30 degree. Thus,Machining period, the assembling work of the flat thin magnet from the quantity of the flat thin magnet that uses rotor, while manufacturingTime etc. the viewpoint of entirety set out, can make manufacturing cost minimum.
In addition, in above-mentioned starter-generator, in the case of manufacturing the rotor of 12 utmost points, canForm as follows rotor magnetic pole: above-mentioned each flat thin magnet is formed as with the angular range of 60 degreeFlat circle arcuation, forms circular turning by six arc-shaped magnets sheets are configured on circumferenceSub-magnet, is formed with two magnetic pole pieces at each flat thin magnet with the angular range of 30 degree. Thus, fromThe machining period of the quantity of the flat thin magnet using in rotor, flat thin magnet while manufacturing, assembling man-hourSet out etc. overall viewpoint, can make manufacturing cost minimum.
According to starter-generator of the present invention, can produce high-precision rotating position signal and pointFire timing signal, and can manufacture more at an easy rate rotor.
Brief description of the drawings
Fig. 1 is the front view that the starter-generator of an embodiment of the invention is shown.
Fig. 2 is the central cross sectional view that is installed on the starter-generator of the state of the bent axle of engine.
Fig. 3 is the local amplification view that the installment state of sensor unit is shown.
Fig. 4 is the cutaway view along plane of rotor.
Fig. 5 is the expansion allocation plan of rotor magnet.
Fig. 6 is the decomposition front view of sensor unit.
Fig. 7 is the decomposition plan view of sensor unit.
Fig. 8 is the exploded perspective view of sensor unit.
Fig. 9 is the key diagram that the relation of Magnetic Sensor and rotor magnet is shown.
Figure 10 illustrates rotation position detection signal, the sequential chart of ignition timing signal.
Detailed description of the invention
Below, based on accompanying drawing, embodiments of the present invention are described. Fig. 1 illustrates starting-generatingThe front view of machine, Fig. 2 illustrates the central longitudinal cutaway view of starter-generator. Rotor 1 has in central authoritiesLug boss 3, and be provided with yoke portion 2 and be formed as in the mode of peripheral part of surrounding lug boss 3Cup-shaped, yoke portion 2 and lug boss 3 be using magnetic metal as material manufacture, and by for exampleForge hot and machining are made.
On the central lug boss 3 of rotor 1, be formed with the cone of the bent axle 9 that is flush-mounted in engineHole, is formed with smooth fastening seat surface at the front end of lug boss 3, is round in the inner side of yoke portion 2Be equipped with annularly to be for example divided into and tetramericly formed by circular-arc flat thin magnet 41～44Rotor magnet 4. Be the inner side that the rotor magnet 4 arranging is maintained at yoke portion 2 circularly,Be embedded with protective cover 5 cylindraceous in the inner side of rotor magnet 4, protective cover 5 is riveted on from inner sideBe formed on yoke portion 2 end caulking part and be fixed on assigned position.
As shown in Figure 4, rotor magnet 4 will be by being circular-arc and having in a circumferential direction 90Four flat thin magnets 41～44 of the angular range of degree are seamlessly configured to circular ground and form.In addition, except configuring four flat thin magnets forming, also can be by thering is the angle of 180 degreeTwo flat thin magnets of degree scope or by have 120 degree angular range three flat thin magnets orPerson is configured to six flat thin magnets of the angular range with 60 degree circular and forms.
As shown in Figure 4, the flat thin magnet 41 of the rotor magnet 4 of this embodiment is with the angle of 90 degreeScope is formed as flat circle arcuation, as shown in Figure 5, at this flat thin magnet 41, in a circumferential direction with30 degree width are formed with three magnetic pole piece 41a, 41b, 41c. Equally, flat thin magnet 42 is with 90 degreeAngular range be formed as flat circle arcuation, be formed with three at this flat thin magnet 42 with 30 degree widthMagnetic pole piece 42a, 42b, 42c. And flat thin magnet 43 is formed as putting down with the angular range of 90 degreeFace is circular-arc, this flat thin magnet 43 with 30 degree width be formed with three magnetic pole piece 43a, 43b,43c. And same, flat thin magnet 44 is formed as flat circle arcuation with the angular range of 90 degree,Be formed with three magnetic pole piece 44a, 44b, 44c at this flat thin magnet 44 with 30 degree width. In addition,On the flat thin magnet of angular range with 60 degree, be formed with 30 degree width in a circumferential directionTwo magnetic pole pieces.
Two flat thin magnets, 41,43 magnetic poles with adjacency in four flat thin magnets 41～44 are according to N/S/NThe mode mode that forms each other different magnetic poles be magnetized, two flat thin magnets 42,44 are with adjacencyMagnetic pole according to the mode of S/N/S be magnetized each other (band magnetic) become different magnetic poles. Thus, asShown in Fig. 5, rotor magnet 4 is configured in its entirety the magnetic pole piece of 12 utmost points with the N utmost point and SThe mode that the utmost point replaces is seamlessly configured to circular.
In addition, for the flat thin magnet 43 of rotor magnet 4, the end of a magnetic pole piece 43b thereinPortion magnetize magnetic pole different, with the magnetic pole of the adjacency detection magnetic pole piece 43d that is same poleAs the magnetic pole for generation of ignition timing detection signal. Herein, because magnetic pole piece 43b is magnetizedFor the S utmost point, therefore the detection magnetic pole piece 43d on this magnetic pole piece 43b is geomagnetic into the N utmost point, withMagnetic pole piece 43a, the 43c of adjacency are geomagnetic into identical magnetic pole. The detection magnetic pole of this flat thin magnet 43The 43d of portion is detected by the Magnetic Sensor 14d for generation of ignition timing detection signal described later.
For the rotor 1 of said structure, as shown in Figure 2, by lug boss 3 is embedded in and is startedThe front end of machine crankshaft 9 and by set bolt or hold-down nut be screwed into bent axle 9 before bring in and consolidateFixed. In the case of the taper hole of the lug boss of rotor 13 is embedded into the front end of bent axle 9, pass throughThe key of periphery in tapering that is arranged on bent axle 9 is embedded in the keyway of rotor-side and sets rotor 1With respect to the angular relationship of the regulation of the bent axle 9 of engine, and carry out chimeric fixing.
On the other hand, as shown in Figure 1 and Figure 2, the stator 20 of starter-generator passes through at stator ironThe multiple prominent utmost point portion 21 that the peripheral part of core 22 is outstanding to be arranged reels respectively power coil 23 and forms.Stator core 22 is provided with multiple by stacked being punched at the peripheral part of the yoke 24 of ring-typeMultiple steel plates of the shape of prominent utmost point portion 21 are also fixed and form with rivet. Top steelThe front end of the prominent utmost point portion 21 of the steel plate at plate and the back side is converted into flange shape by lateral bending outwardly, make this partThere is the function of the power coil 23 that maintenance reels. In the each prominent utmost point portion 21 of stator core 22,Utilize coil winding machine power coil 23 to be wound around successively to the number of turn of regulation, and draw at it as shown in Figure 1Outlet is connected with wire harness 8.
In addition at stator 20, thereby for producing position of rotation, the position of rotation of detection rotor 1 examines,Survey signal and ignition timing signal, at assigned position, Magnetic Sensors such as possessing Hall IC is installedThe sensor unit 10 of 14a, 14b, 14c, 14d. As shown in Figure 6 to 8, sensor listUnit 10 is configured to: in substrate housing 11, be accommodated with the electricity that the detection signal of Magnetic Sensor 14 is usedBase board 12, is provided with four sensor wrap portions 15, magnetic highlightedly in the bottom of substrate housing 11Sensor 14a, 14b, 14c, 14d are inserted in the sensor cover portion 15 and assemble.
As shown in Fig. 8 waits, substrate housing 11 is integrally formed as case shape by synthetic resin, in substrate casingThe outstanding 11a of split pin portion being provided with for permanent circuit substrate 12 of body 11 inner bottom parts, so that solidSurely be incorporated in the circuit substrate 12 of the inside of substrate housing 11. Be provided with solid at circuit substrate 12Determine hole 12a, this fixing hole 12a is embedded in to the 11a of split pin portion, thereby circuit substrate 12 is by solidFix on the assigned position in substrate housing 11. At circuit substrate 12, side is formed with electricity thereinRoad, component is installed, and Magnetic Sensor 14a, 14b, 14c, 14d are to be inserted inThe form of sensor wrap portion 15 is separately connected in testing circuit via long lead or short lead.
That is, as shown in Figure 6 to 8, circuit substrate 12, four Magnetic Sensor 14a, 14b,14c, 14d via long lead, short lead with the aligned in position of each sensor wrap portion 15 and inwardlySide-prominent form is installed. Thus, when circuit substrate 12 being accommodated in substrate housing 11 reallyWhen allocation, Magnetic Sensor 14a, 14b, 14c, 14d be inserted in each sensor wrap portion 15 andBe assemblied in substrate housing 11. As shown in Figure 6, the installment state of four Magnetic Sensors is as follows:Three Magnetic Sensor 14a, 14b, 14c of the position of rotation of detection rotor 1 install via long lead,The Magnetic Sensor 14d that ignition timing detects use installs via shorter short lead.
Be formed with the installation portion 13 that is provided with fixing hole in the outboard end of substrate housing 11, shouldInstallation portion 13 is fixed on the yoke 24 of stator 20, thereby substrate housing 11 is installed in statorOn 20. As shown in Figure 3, under this state, Magnetic Sensor 14a, 14b, 14c, 14d acrossSensor wrap portion 15 is inserted into the gap between prominent utmost point portion 21 and the prominent utmost point portion 22 of stator 20, quiltBe installed as the flux change of the rotation that can detect the rotor magnet 4 of following rotor 1. In addition, thoughSo omit diagram, but finally at the interior filling moulding resin of substrate housing 11, make circuit substrate 12,It is definite that Magnetic Sensor 14a, 14b, 14c, 14d have sufficient vibration resistance intensity and be fixed inPosition.
Like this, by substrate 11 being fixed on to stator 20 allocation really, as mentioned above, sensingMagnetic Sensor 14a, 14b, 14c, the 14d of device unit 10 insert the prominent utmost point that is disposed at stator 20Between portion 21 and prominent utmost point portion 21. Now, Magnetic Sensor 14a, the 14b of long lead, 14c are pacifiedDress up magnetic pole piece 41a, the 41b, 41c, magnetic pole piece 42a, 42b, the 42c that arrive rotor magnet 4And the position of magnetic pole piece 43a, 43b, 43c, the Magnetic Sensor 14d of short lead is not and magnetThe magnetic pole piece 43b of sheet 43 but detect the position of detection magnetic pole piece 43d of use with ignition timingInstall accordingly.
, sensor unit 10 utilizes the sensor 14a～14d that is arranged at this sensor unit 10The position of rotation of detection rotor magnet 4, but due to a sensor in four Magnetic Sensors 1414d has the magnetic of the end of short lead and detection rotor magnet 4, therefore, for sensorThe flat thin magnet 43 of the opposed and rotation in the position of 14d, when magnetic pole phase this flat thin magnet 43 and adjacencyWhile passing through Magnetic Sensor 14d with the detection magnetic pole piece 43d of magnetic pole, Magnetic Sensor 14d continuous detectingGo out the magnetic flux of the N utmost point. Thus, when the detection magnetic pole piece 43d of the flat thin magnet 43 of rotor magnet 4 arrivesWhile reaching the Magnetic Sensor 14d of sensor unit 10, the magnetic pole that Magnetic Sensor 14d detects isThe N/N/N utmost point, the switching that does not produce magnetic flux changes, as shown in figure 10, the neighbour of rotor magnet 4Between the magnetic pole piece 43a～43c connecing, produce the continuous low level signal as ignition timing signalOr high level signal.
Like this, as shown in Figure 1, sensor unit 10 via installation portion 13 by hold-down screw 17The fastened front (vertical plane vertical with bent axle 9) of being fixed on stator 20, but now as Fig. 3Shown in, sensor wrap the portion 15 outstanding bottom at substrate housing 11 is correctly embedded and is fixed onBetween the stator core 22 between the prominent utmost point portion 21 of stator 20 and prominent utmost point portion 21. Thus, sensorEach Magnetic Sensor 14a in cover portion 15,14b, 14c, 14d are properly inserted in stator coreBetween 22 each prominent utmost point portion 21. And, at the crankcase 27 that stator 20 is fixed on to engineTime, be assemblied in stator 20 really the Magnetic Sensor 14d of the short lead of allocation join as shown in Figure 9Put arrive rotor magnet 4 flat thin magnet 43 detection magnetic pole piece 43d but do not arrive magnetic pole pieceThe position of the end of 43b.
On the other hand, be equipped with fixing hole at the yoke 24 of the central portion of stator core 22,In these fixing holes, inserted hold-down screw 26, as shown in Figure 1, stator 20 is fixed by theseScrew 26 is fixed on the inner side of the crankcase 27 of engine. For rotor 1, as shown in Figure 2,The front end of engine crankshaft 9, regulation angle position be fixed with above-mentioned detection magnetic pole piece 43d,Under this state, as mentioned above, the Magnetic Sensor 14d of the short lead of sensor unit 10 is as figureShown in 9, be configured in and arrive the detection magnetic pole piece 43d of flat thin magnet 43 but do not arrive magnetic pole piece 43bThe position of end. In addition, in the bottom of substrate housing 11, the outboard end of outstanding terminal 16 connectsBe connected to the wire harness 8 that detection signal is used.
The starter-generator forming is by this way brought into play as brushless electric machine in the time of engine startFunction, never illustrated motor driver is supplied with UVW to the coil of the each prominent utmost point portion 21 of stator 20The electric current of each phase, makes rotor 1 rotate thus. This moment, utilize the magnetic of sensor unit 10 to passThe rotation position detection signal that sensor 14a, 14b, 14c, 14d detect is admitted to motor and drivesDevice, drives as the starter-generator of brushless electric machine, the rotation of the rotor 1 by starter-generator,Driving crank 9 rotates and makes engine start.
Follow the starting of engine, have from detection and turn in the control part input of not shown engineMagnetic Sensor 14a, the 14b of the magnetic flux of sub-magnet 4, the rotation position detection signal of 14c, 14dWith reference position signal (detection signal of Magnetic Sensor 14d), detect letter based on this position of rotationNumber generate ignition timing signal with reference position signal, carry out the ignition timing control of engine. AsShown in Figure 10, ignition timing signal is now the rotation at Magnetic Sensor 14a, 14b, 14cThe moment that position detection signal is lasting with the reference signal of the high level from magnetic Magnetic Sensor 14dGenerate.
Like this, in the rotor of 12 utmost points of starter-generator in the past, owing to using the magnetic of one poleIron plate, need to manufacture 12 flat thin magnets, still, and in the rotor 1 of present embodiment, as long asManufacture four flat thin magnets 41～44 that are geomagnetic into three magnetic poles, 41～44 of each flat thin magnetsTo be formed as with the angular range of 90 degree circular-arc, the flat thin magnet of one pole and multipole magnetSheet processing charges are during fabrication almost identical, and the machining period in the time being magnetized into magnet also hardlyBecome, therefore, compared with the situation of use homopolar magnet sheet in the past, by using the magnet of minoritySheet, can make the manufacturing cost of rotor 1 reduce.
In addition, because 4 of rotors need be by large four of the angular range of a 90 degree flat thin magnet 41～44Cause gapless and be configured on circumference, therefore, the flat thin magnet of rotor 4 41～44 is being installedIn the time of the inner side of yoke portion 2, without using such special positioning jig in the past etc., energyEnough simply and correctly combination and distributed magnet sheet 41～44, can be with less assembling cheapness in man-hourCircular rotor magnet 4 is manufactured on ground.
Claims (4)
1. a starter-generator, this starter-generator possesses:
Rotor, this rotor is by forming yoke portion and in yoke portion at the periphery wall of rotor subjectInner side is assembled rotor magnet and is formed, and described rotor subject is provided with lug boss in central authorities, and formsFor cup-shaped; And
Stator, this stator is disposed in the inner side of described rotor still, and this stator is by the line that will generate electricityCircle is wound in stator core and forms, and has multiple prominent utmost point portion,
Multiple Magnetic Sensors that utilization is installed on described stator detect the position of rotation of described rotor, andBy detection signal output,
Described starter-generator is characterised in that,
Described rotor magnet is by being formed as multiple magnetic of flat circle arcuation with predetermined angular scopeIron plate is configured on circumference and forms,
Be formed with multiple magnetic pole pieces at this each flat thin magnet, and the magnetic pole piece of adjacency is magnetized each otherBecome the magnetic pole piece of different magnetic poles, wherein, described multiple magnetic pole pieces form with the angular range equating,
The end of a magnetic pole piece in a flat thin magnet in described multiple flat thin magnets is provided withDetect magnetic pole piece, this detection magnetic pole piece has the magnetic pole identical with the magnetic pole of adjacency, and to makeA Magnetic Sensor in described multiple Magnetic Sensor described detection magnetic pole piece and with described detectionThe angular range of the magnetic pole piece of magnetic pole piece adjacency produces low level signal or high level signal continuouslyMode arrange,
Described rotor magnet is by being seamlessly configured in multiple flat thin magnets on circumference and forming.
2. starter-generator according to claim 1, is characterized in that,
Described multiple Magnetic Sensor is disposed in the sensor wrap portion of substrate housing of sensor unit,And described sensor wrap portion is inserted in the gap between the stator core of each prominent utmost point portion of described stator,
The rotor magnet of described rotor is by being alternately configured to annulus by the magnetic pole piece of different magnetic polesShape and forming,
Be formed with detection magnetic pole piece in the end of a described magnetic pole piece, this detection magnetic pole piece and adjacencyMagnetic pole piece there is identical magnetic pole,
Any magnetic sensor configuration in described multiple Magnetic Sensor becomes only to arrive described detection magneticUtmost point portion.
3. starter-generator according to claim 1 and 2, is characterized in that,
Described each flat thin magnet is formed as flat circle arcuation with the angular range of 90 degree, by by fourFlat thin magnet is configured on circumference and forms described rotor magnet, at described each flat thin magnet with 30 degreeAngular range is formed with three magnetic pole pieces.
4. starter-generator according to claim 1 and 2, is characterized in that,
Described each flat thin magnet is formed as flat circle arcuation with the angular range of 60 degree, by by sixFlat thin magnet is configured on circumference and forms described rotor magnet, at described each flat thin magnet with 30 degreeAngular range is formed with two magnetic pole pieces.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-103271 | 2012-04-27 | ||
| JP2012103271A JP2013233030A (en) | 2012-04-27 | 2012-04-27 | Starter generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103378668A CN103378668A (en) | 2013-10-30 |
| CN103378668B true CN103378668B (en) | 2016-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310153475.XA Active CN103378668B (en) | 2012-04-27 | 2013-04-27 | Starter-generator |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2013233030A (en) |
| CN (1) | CN103378668B (en) |
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| JP6350114B2 (en) * | 2014-08-22 | 2018-07-04 | スズキ株式会社 | Detection sensor and starter generator |
| WO2016084352A1 (en) * | 2014-11-28 | 2016-06-02 | デンソートリム株式会社 | Rotating electrical machine for internal combustion engine |
| JP6032340B2 (en) * | 2014-11-28 | 2016-11-24 | デンソートリム株式会社 | Rotating electric machine for internal combustion engine |
| CN107112862B (en) * | 2014-12-25 | 2019-08-02 | 电装多利牡株式会社 | Internal combustion engine device for detecting rotational position |
| CN107210660B (en) * | 2015-02-12 | 2019-08-02 | 电装多利牡株式会社 | Internal combustion engine rotating electric machine and its stator |
| JP6477388B2 (en) * | 2015-09-24 | 2019-03-06 | デンソートリム株式会社 | Rotating electric machine and manufacturing method thereof |
| JP6588830B2 (en) * | 2016-01-12 | 2019-10-09 | 株式会社ミツバ | Rotating electric machine |
| JP2018066338A (en) * | 2016-10-20 | 2018-04-26 | ヤマハ発動機株式会社 | engine |
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| US5686770A (en) * | 1995-11-03 | 1997-11-11 | Kabushiki Kaisha Sankyo Seiki Seisakusho | Position detector of a brushless motor |
| US5864443A (en) * | 1981-09-07 | 1999-01-26 | Papst Licensing, Gmbh | Disk storage device having a detachable coupling ring in the hub |
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| JPS5771257A (en) * | 1981-06-05 | 1982-05-04 | Shokichi Kumakura | Formation of anisotropic annular magnetic member for bicycle generator |
| JPS58134082U (en) * | 1982-03-03 | 1983-09-09 | 松下電器産業株式会社 | Commutatorless motor |
| JPS61195776U (en) * | 1985-05-20 | 1986-12-06 | ||
| JPH0393450A (en) * | 1989-09-04 | 1991-04-18 | Akai Electric Co Ltd | Rotational position detector in motor |
| JP2004048914A (en) * | 2002-07-12 | 2004-02-12 | Sony Corp | Motor equipped with position detecting device |
| JP5097654B2 (en) * | 2007-09-13 | 2012-12-12 | 株式会社ミツバ | Starting generator |
| JP5064279B2 (en) * | 2008-03-27 | 2012-10-31 | 株式会社ミツバ | Rotating electric machine |
| JP5390836B2 (en) * | 2008-11-14 | 2014-01-15 | 株式会社ミツバ | Starting generator |
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- 2012-04-27 JP JP2012103271A patent/JP2013233030A/en active Pending
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- 2013-04-27 CN CN201310153475.XA patent/CN103378668B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5864443A (en) * | 1981-09-07 | 1999-01-26 | Papst Licensing, Gmbh | Disk storage device having a detachable coupling ring in the hub |
| US5686770A (en) * | 1995-11-03 | 1997-11-11 | Kabushiki Kaisha Sankyo Seiki Seisakusho | Position detector of a brushless motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103378668A (en) | 2013-10-30 |
| JP2013233030A (en) | 2013-11-14 |
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