CN103151895B - Starter-generator - Google Patents
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- CN103151895B CN103151895B CN201310074870.9A CN201310074870A CN103151895B CN 103151895 B CN103151895 B CN 103151895B CN 201310074870 A CN201310074870 A CN 201310074870A CN 103151895 B CN103151895 B CN 103151895B
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Abstract
The invention provides a kind of small-sized starter-generator, it possesses the detecting sensor that correctly can detect the position of rotation of rotor.Starter-generator possesses and is multiplely arranged on the magnet of the inner peripheral surface of rotor and the detecting sensor being configured at the position relative with magnet, in the middle of multiple magnet, main magnet has with the magnetic pole identical with the magnetic pole of adjacent magnets by magnetized 1st magnetic pole piece in one end of magnet, and detecting sensor has the 2nd Hall IC of the 1st Hall IC detecting that the direction of the flux produced from magnet one end changes and the direction transformation detecting the flux that magnet produces.Therefore, Hall IC detects the magnetic field itself that the magnet being configured at rotor inner peripheral surface produces, and detecting sensor correctly detects the position of rotation of rotor.
Description
Technical field
The present invention relates to the technical field of the starter-generator of the engine being arranged at motorcycle etc.
Background technology
Generally, as the starter-generator of engine being arranged at motorcycle, there are known have the starter-generator of the outer-rotor type making the function of engine start and carry out the function generated electricity.This starter-generator has the stator core be fixed on the outer wall of engine and the bent axle being fixed on engine and the external rotor (rotor) rotated around stator core.To be that central layer that polylith is made up of magnetic material is stacked formed stator core, has: be formed as circular main part and from main part with the teeth portion of the T-shaped shape of radial outstanding formation, be wrapped coil in the teeth portion of stator core.External rotor is formed as the bottomed cylindrical be made up of magnetic material, and cylindric hub portion gives prominence to the bottom surface sections of the inner side being formed at external rotor.In addition, the bent axle of engine is fixed on the hub portion being formed at external rotor, and multiple exciting magnet is equally spaced disposed in the inner peripheral surface of external rotor.
The coil being wrapped in the teeth portion of stator core is electrically connected with not shown battery.Therefore, during to coil supply electric current, the coil being wound in stator core is just excited, and along the circumferential direction produces power at external rotor.That is, when supplying electric current from battery to coil, external rotor will rotate around stator core, result, and the crankshaft rotating of engine, pilots engine.
During engine start, the crankshaft rotating of engine, external rotor just rotates around the stator core being wound with coil.And external rotor is by the rotation number specified when stator core starts to rotate, and the magnetic field formed by the exciting magnet of the inner peripheral surface being disposed in external rotor passes across the coil of the teeth portion being wrapped in stator core.Therefore, induced electromotive force is produced at the coil of the teeth portion being wound in stator core.And, at the induced electromotive force that coil produces, by with coil electrically and wire be mechanically connected, accumulated in battery, be re-supplied to the control part and accessory motor equipment that are connected with battery.
Be provided with in the hub portion of external rotor and detect the motor magnet of change of current position and the igniting magnet for detecting time of ignition reference signal, stator core is provided with the change of current position-detection sensor (detecting sensor) possessing 3 motor Hall IC (the 2nd Hall IC, the 3rd Hall IC, the 4th Hall IC), and there is the time of ignition reference signal detecting sensor (detecting sensor) of igniting Hall IC (the 1st Hall IC).In addition, 3 motor Hall IC and igniting Hall IC are electrically connected with control circuit respectively.The magnet of the motor magnet toroidal that to be N pole and S pole be alternately magnetized at circumferencial direction, igniting magnet is the magnet of the toroidal that N pole and S pole are magnetized respectively one at a time.In addition, a lot of by the extremely magnetized narrow of S by the N of igniting magnet extremely magnetized scope ratio.
3 motor Hall IC of change of current position-detection sensor are configured in the position relative with motor magnet, and igniting Hall IC is configured in the position relative with the igniting magnet being arranged on hub portion.In addition, 3 motor Hall IC and igniting Hall IC are arranged on the hub portion of external rotor.Therefore, external rotor, when stator core rotates, is changed by the flux of change of current position-detection sensor.And 3 motor Hall IC of change of current position-detection sensor, detect the transformation in the direction being fixed on the flux produced between the motor magnet of hub portion and change of current position-detection sensor.Equally, the igniting Hall IC of time of ignition reference signal detecting sensor, detects the transformation in the direction being fixed on the flux produced between the igniting magnet of hub portion and time of ignition reference signal detecting sensor.And when each Hall IC detects flux, control part generates signal, when the direction of the flux that each Hall IC detects changes, the level of control part variable signal.That is, detect by each Hall IC of the flux of the extremely magnetized magnet of S, when detecting by the flux of the extremely magnetized magnet of N, control part makes the level of signal uprise.Equally, detect by each Hall IC of the flux of the extremely magnetized magnet of N, when detecting by the flux of the extremely magnetized magnet of S, control part makes the level step-down of signal.
The signal that control part generates when detecting the transformation in the direction of flux based on change of current position-detection sensor, to the coil supply electric current being wound in stator core, CD-ROM drive motor.In addition, the signal generated when control part detects the transformation in the direction of flux based on time of ignition reference signal detecting sensor, controls the time of ignition (for example, referring to patent documentation 1) of engine.
Patent documentation 1: Japanese Unexamined Patent Publication 2003-148317
Summary of the invention
But in the technology before described, both motor magnet and igniting magnet are arranged at the hub portion of external rotor abreast at direction of principal axis.Therefore, in order to not interfere stator core, configure Hall IC in the position relative with these magnet, the axial length of growth hub portion of having to.
In addition, the magnetization position that motor magnet corresponds to multiple exciting magnet at the inner peripheral surface of external rotor is magnetized.But because the diameter of motor magnet is little, compared with exciting magnet, it is difficult for carrying out the high magnetization of precision.In addition, motor magnet is when the position of departing from a little from assigned position is magnetized, and detecting sensor correctly can not detect the position of external rotor.Therefore, control part can not by the moment of regulation by engine ignition, and the power output of engine reduces, and the consumption of fuel increases.
In order to the moment of engine by regulation is lighted a fire, the power output of engine is increased, the consumption of fuel is reduced, people expect a kind ofly possess the small-sized starter-generator that correctly can detect the detecting sensor of the position of external rotor, the object of this invention is to provide the starter-generator that can solve these problems.
Invention described in technical scheme 1 is a kind of starter-generator, and it has: by the stator core possessing multiple magnetic material being formed as the teeth portion of T-shaped and form; Be wound in the coil of the teeth portion of stator core; Around the bowl-shape rotor that stator core rotates; At multiple magnet that the inner peripheral surface magnetic pole of rotor alternately configures; Detecting sensor with the position of rotation of detection rotor, is characterized in that, in the middle of multiple magnet, is had in advance by the main magnet determined: the one end being formed at main magnet, and with the 1st magnetic pole piece that the magnetic pole that the magnetic pole of the magnet with adjacent both sides is identical is magnetized; The 2nd magnetic pole piece that the magnetic pole different with the magnetic pole of the magnet from adjacent both sides is magnetized, detecting sensor has: the 1st Hall IC detecting the flux of one end generation comprising multiple magnet of the 1st magnetic pole piece; Be configured in the position relative with multiple magnet, and detect multiple 2nd Hall IC of the flux that the multiple magnet that comprise the 2nd magnetic pole piece produce.
Invention described in technical scheme 2 is the starter-generator as described in technical scheme 1, it is characterized in that, detecting sensor has the 1st foot of collecting the 1st Hall IC; Accommodate multiple 2nd foots of multiple 2nd Hall IC respectively, the teeth portion of stator core has the accommodation section for insertion the 1st foot and multiple 2nd foot.
Invention described in technical scheme 3 is the starter-generator as described in technical scheme 2, it is characterized in that, detecting sensor has: the fan-shaped sensor box possessing the 1st foot and multiple 2nd foot; Be housed in sensor box, and the substrate be electrically connected with the 1st Hall IC and multiple 2nd Hall IC, described detecting sensor is configured on stator core.
Invention described in technical scheme 4 is the starter-generator as described in technical scheme 1 to technical scheme 3, it is characterized in that, the 1st Hall IC is configured in the position of the opening circumference close to rotor.
Invention described in technical scheme 5 is the starter-generator according to any one of technical scheme 1 to technical scheme 3, it is characterized in that, main magnet is formed by 1 block of magnet.
Invention according to technical scheme 1, multiple magnet poles is alternately configured at the inner peripheral surface of rotor, and main magnet has with the magnetic pole identical with the magnetic pole of adjacent magnets by magnetized 1st magnetic pole piece in one end of magnet; With the 2nd magnetic pole piece be magnetized with the magnetic pole different from the magnetic pole of adjacent magnets, detecting sensor has the 1st Hall IC of the direction transformation detecting the flux produced by the one end of the magnet comprising the 1st magnetic pole piece; Be configured in the position relative with magnet, detect comprise the 2nd magnetic pole piece magnet produce flux direction change the 2nd Hall IC.Because Hall IC detects the magnetic field that the magnet of the inner peripheral surface being configured in rotor produces, detecting sensor correctly detects the position of rotation of rotor.Therefore, engine is by the moment igniting of regulation, and the power output of engine increases, and the consumption of fuel reduces.
Invention according to technical scheme 2, each Hall IC is accommodated in the foot of detecting sensor, and foot is configured in the accommodation section of the teeth portion being formed at stator core.That is, the impact in magnetic field that do not produce by the coil being wrapped in teeth portion of Hall IC, and detect the magnetic field itself that the magnet of the inner peripheral surface being configured at rotor produces.Because engine is by the moment igniting of regulation, so the power output of engine increases, the consumption of fuel reduces.
Invention according to technical scheme 3, fan-shaped sensor box possesses the 1st foot and the 2nd foot, and accommodates the substrate be electrically connected with the 1st Hall IC and the 2nd Hall IC, and is configured on stator core.Therefore, the 1st Hall IC and multiple 2nd Hall IC are protected by sensor box, and detect that the direction of the flux that magnet one end produces changes exactly.That is, detecting sensor correctly detects the position of rotation of rotor.Because engine is by the moment igniting of regulation, so the power output of engine increases, the consumption of fuel reduces.
Invention according to technical scheme 4, the 1st Hall IC is configured at the position of the opening circumference close to rotor.Therefore, the 1st Hall IC is not by the impact in the magnetic field of magnet generation, and the direction of the flux that one end that detection comprises the magnet of the 1st magnetic pole piece produces changes.So detecting sensor correctly detects the position of rotation of rotor.Because engine is by the moment igniting of regulation, so the power output of engine increases, the consumption of fuel reduces.
Invention according to technical scheme 5, main magnet is formed by 1 block of magnet.Therefore, the main magnet with the 1st magnetic pole piece and the 2nd magnetic pole piece easily manufactures.That is, the starter-generator that accuracy of detection is superior easily manufactures.
Accompanying drawing explanation
Fig. 1 is the perspective view of the starter-generator of embodiment of the present invention.
Fig. 2 is the A-A cutaway view of the starter-generator of Fig. 1.
Fig. 3 is the vertical view of the starter-generator of Fig. 1.
Fig. 4 is the exploded view of starter-generator.
Fig. 5 is the perspective view of stator core.
Fig. 6 is the perspective view of insulator.
Fig. 7 is the expanded view of the inner circumferential face of rotor.
Fig. 8 is the rearview of detecting sensor.
Fig. 9 is the rear view of detecting sensor.
Figure 10 is the perspective view of detecting sensor.
Figure 11 is the decomposition diagram of detecting sensor.
Figure 12 is the decomposition diagram of sensor unit.
Figure 13 is the rearview of base component.
Figure 14 is the vertical view of sensor box.
Figure 15 is the B-B cutaway view of Figure 14.
Figure 16 is the C-C cutaway view of Figure 14.
Figure 17 is the D portion enlarged drawing of Figure 14.
Figure 18 is the E portion enlarged drawing of Figure 14.
Figure 19 is the F-F cutaway view of Figure 18.
Figure 20 is the figure representing the signal that control part generates.
The explanation of symbol
1 starter-generator
2 stator cores
2a main part
2b teeth portion
2c through hole
The first end of 3a, 3b
3c notch part
4 rotors
4a inner circumferential face
4b bottom surface sections
4c opening circumference
4d punch
6 detecting sensors
6a inner circumferential face
6b outer circumferential surface section
6d bottom surface sections
10 coils
12 yokes
12a bottom surface sections
14 hub portion
16 magnet
16a, 16b magnet
16c magnet (main magnet)
18 magnet covers
32 sensor units
34 substrates
34a inner peripheral portion
34b peripheral part
35a, 35b, 35c through hole
36,37,38,39 through holes
42 base components
44 main parts
45a, 45b, 45c, 45d notch part
46a, 46b, 46c, 46d clamp sheet
47a base end part
47b leading section
48a, 48b, 48c groove portion
49 fixed parts
50a Hall IC (the 1st Hall IC)
50b, 50c, 50d Hall IC (the 2nd Hall IC)
54a, 54b, 54c pin
60 sensor boxes
62 support portions
62a, 62b wrist
62c connecting portion
64 support portions
66 sensor unit resettlement sections
66c bottom surface sections
68 shells
68a, 68b peristome
68c guide portion
68d wall portion
70 fixed parts
72 insertion sections
73 ribs
74 pedestal portions
80a, 80b, 80c, 80d foot
82 base end parts
84 pars intermedias
84a rib
86 leading sections
86a heavy section
86b thinner wall section
88 recesses (the 1st recess)
88a bottom surface sections
88b peristome
90 recesses (the 2nd recess)
90b peristome
91a rib
91b groove portion
92a, 92b protrusion tab
93 ribs
100a, 100b wire
102a, 102b protection tube
110 insulators
112 wall portion
114 tooth maintaining parts
The first end of 114a, 114b
114c body
114d groove portion
116 notch parts
120 terminals
130 holding members
132 screws
140a, 140b, 140c, 140d accommodation section
160 magnetic pole pieces (the 1st magnetic pole piece)
162 magnetic pole pieces (the 2nd magnetic pole piece)
The position that M1 Hall IC 50a is configured
The position that M2 Hall IC 50b, 50c, 50d are configured
S1, S2, S3, S4 signal
Su, Sv, Sw signal
Embodiment
Below, based on Fig. 1 to Figure 20, the starter-generator of embodiment of the present invention is described.
Fig. 1 is the perspective view of the starter-generator 1 of embodiments of the present invention, and Fig. 2 is the A-A cutaway view of the starter-generator 1 of Fig. 1, and Fig. 3 is the front view of starter-generator 1.As shown in Figure 1, Figure 2, Figure 3 shows, starter-generator 1 have the engine (not shown) being fixed on vehicle stator core 2, be fixed on the rotor 4 of bent axle (not shown) of engine and the roughly fan-shaped detecting sensor 6 of the position of rotation of detection rotor 4.
Stator core 2 is that multiple central layer be made up of magnetic material is stacked and formed, and has the teeth portion 2b that the main part 2a and 18 being formed as circular is formed as T-shaped, teeth portion 2b is provided with insulator 110.In addition, by insulator 110, coil 10 is wound on teeth portion 2b.
The rotor 4 be fixed on engine crankshaft has the hub portion 14 of the bowl-shape yoke 12 be made up of magnetic material and the bottom surface sections 12a being fixed on yoke 12, and on the inner circumferential face 4a of rotor 4, magnetic pole is alternately equipped with 12 magnet 16.
Not shown control part supplies electric current to the coil 10 being wrapped in stator core 2, and rotor 4 is rotated.Because rotor 4 is connected to the bent axle of not shown engine, when rotor 4 rotates, be connected to the crankshaft rotating of the engine on rotor 4, make engine start.
After engine start, rotor 4 with the rotation of engine, is wrapped in the coil 10 of stator core 2 and will produces induced electromotive force when stator core 2 rotates.In addition, magnet 16 is by magnet cover 18 protection, and the punch 4d that magnet cover 18 is formed on the bottom surface sections 4b of rotor 4 rivets fixing.
Detecting sensor 6 has the support portion 62 of giving prominence to formation from the inner circumferential face 6a of detecting sensor, and gives prominence to the support portion 64 of formation from the outer circumferential surface section 6b of detecting sensor 6.The main part 2a of stator core 2 is fixed on by not shown screw etc. in support portion 62, and the engine of vehicle is fixed on by not shown bolt etc. in support portion 64.That is, detecting sensor 6 is fixed in the main part 2a of stator core 2 by support portion 62, is fixed in the engine of vehicle by support portion 64.
Detecting sensor 6 has foot 80a, 80b, 80c, 80d of giving prominence to the bottom surface sections 6d be formed at outside detecting sensor 6, and foot 80a, 80b, 80c, 80d accommodate Hall IC 50a, 50b, 50c, 50d respectively.Foot 80a, 80b, 80c, 80d are arranged between the teeth portion 2b of stator core 2 respectively, are oppositely disposed with the inner circumferential face 4a of rotor 4.In addition, the packing material 150 that Hall IC 50a, 50b, 50c, 50d are filled in detecting sensor 6 is protected.Rotor 4 is when stator core 2 rotates, and the direction that each Hall IC 50a, 50b, 50c, 50d detect the flux produced from magnet 16 changes, the position of rotation of detecting sensor 6 detection rotor 4.Because Hall IC 50a, 50b, 50c, 50d detect the magnetic field of the magnet 16 of the inner circumferential face 4a being disposed in rotor 4 itself, so detecting sensor 6 correctly detects the position of rotation of rotor 4.And, there is no need to resemble in the past, magnet 16 is set in the hub portion 14 of rotor 4.Therefore, the axial length of hub portion 14 is shortened, and component number of packages reduces.In addition, because engine is by the moment igniting of regulation, so the output of engine increases, the consumption of fuel reduces.
In addition, Hall IC 50a, 50b, 50c, 50d are accommodated by foot 80a, 80b, 80c, 80d respectively, so between the teeth portion 2b being configured in stator core 2.Therefore, the impact in the magnetic field that the coil 10 that each Hall IC 50a, 50b, 50c, 50d are not excited produces.So Hall IC 50a, 50b, 50c, 50d detect that the direction of the flux produced from magnet 16 changes exactly.
Each Hall IC 50a, 50b, 50c, 50d are electrically connected with wire 100a, and the protected pipe 102a of wire 100a encases.Equally, coil 10 is electrically connected with wire 100b, and the protected pipe 102b of wire 100b encases.Protection tube 102a, 102b are kept by the holding member 130 being fixed on stator core 2.Wire 100a, 100b are kept parts 130 by protection tube 102a, 102b and keep, and lead to the outside of rotor 4, are connected with control part.In addition, holding member 130 is formed by carrying out punch process to flat metallic plate, and is fixed on stator core 2 by the screw 132 being screwed into stator core 2.
Fig. 4 represents that the main part 2a from stator core 2 takes out the front view of the state after detecting sensor 6.Fig. 5 is the perspective view of stator core, and Fig. 6 is the perspective view of insulator.
Outstanding foot 80a, 80b, 80c, 80d being formed at the bottom surface sections 6d in the outside of detecting sensor 6 have from the bottom surface sections 6d in the outside of detecting sensor 6 give prominence to formation base end part 82, extend out from base end part 82 pars intermedia 84 that formed and extending out the leading section 86 formed from pars intermedia 84.The width of base end part 82 is larger than the width of pars intermedia 84, and the width of leading section 86 is identical with the width of pars intermedia 84.In addition, the leading section 86 of foot 80a, 80b, 80c, 80d has the heavy section 86a formed with the thickness identical with the thickness of pars intermedia 84 and the thinner wall section 86b that the thickness of 1 couple of Thickness Ratio heavy section 86a is thin.In addition, heavy section 86a is also narrow and small than the width of pars intermedia 84, and is configured between 1 couple of thin part 86b.
Stator core 2 has main part 2a and 18 of being formed as circular and is formed as overlooking T-shaped from outstanding radial teeth portion 2b, the teeth portion 2b of being formed of main part 2a.Teeth portion 2b is provided with insulator 110.Therefore, coil 10 is wrapped on teeth portion 2b by insulator 110.In addition, because smear lacquer materials etc. on the coil 10 being wound in teeth portion 2b, coil 10 is reliably fixed on teeth portion 2b.
Be formed with notch part 3c at the two ends of the leading section 3a of teeth portion 2b, one end of the leading section 3b of teeth portion 2b is formed with notch part 3c.In addition, each notch part 3c relatively configures mutually.That is, the notch part 3c being formed at teeth portion 2b forms 4 accommodation sections 140a, 140b, 140c, 140d.Foot 80a, 80b, 80c, 80d of detecting sensor 6 can insert accommodation section 140a, 140b, 140c, 140d respectively.
In addition, the main part 2a of stator core 2 is formed with through hole 2c, in through hole 2c, is inserted with bolt (not shown).Bolt is screwed into the bolt hole (not shown) being formed at engine box, and stator core 2 is fixed on engine box.
The two ends of the pars intermedia 84 of foot 80a, 80b, 80c, 80d are formed with rib 84a, on the leading section 86 of foot 80a, 80b, 80c, 80d, are formed with heavy section 86a and thinner wall section 86b.When foot 80a, 80b, 80c, 80d insert accommodation section 140a, 140b, 140c, 140d, heavy section 86a is just arranged between teeth portion 2b.The face on one side of accommodation section 140a, 140b, 140c, 140d is connected to and is formed on the rib 84a of pars intermedia 84, the face of the another side of accommodation section 140a, 140b, 140c, 140d be connected to be formed at leading section 86 thinner wall section 86b on.Therefore, when foot 80a, 80b, 80c, 80d insert accommodation section 140a, 140b, 140c, 140d, detecting sensor 6 can not be toppled over.
Insulator 110 is the insulating elements be made up of insulating material such as resins, has the wall portion 112 and 18 radial tooth protection portion 114 of the outstanding formation of the outer peripheral face from wall portion 112 that are formed as circular.Tooth protection portion 114 has leading section 114a, 114b and main part 114c, and is formed as the shape roughly the same with the teeth portion 2b of stator core 2.In addition, the main part 114c of tooth protection portion 114 is formed with multiple groove portion 114d.Therefore, coil 10 is wound in each teeth portion of stator core 2 equably.
In addition, be formed with the notch part 116 of cone-shaped at the two ends of the leading section 114a of tooth protection portion 114, be formed with the notch part 116 of cone-shaped in one end of the leading section 114b of tooth protection portion 114.The notch part 116 being formed at leading section 114a, 114b relatively configures mutually.Because coil 10 is wrapped on each teeth portion 2b along the notch part 116 of cone-shaped, so coil 10 can be wrapped on the teeth portion 2b of stator core 2 by operator expeditiously.In addition, the notch part 116 of cone-shaped strengthens leading section 114a, 114b, the rigidity reinforced of insulator 110.
The inner peripheral surface of the wall portion 112 of insulator 110 is formed with flat part 115, and flat part 115 comprises terminal 120 by moldings formed therefrom.In addition, the coil 10 being wound in stator core 2 is connected on terminal 120.
The wall portion 112 being fixed on terminal 120 insulated body 110 on flat part 115 around, so do not contact with the coil 10 being wound in teeth portion 2b.Therefore, the spiral work of coil 10 can automation.
Fig. 7 is the expanded view of the inner circumferential face 4a of rotor 4.Be disposed in rotor 4 inner circumferential face 4a magnet 16 have 6 by the extremely magnetized magnet 16a of N, 5 possessed by N extremely magnetized magnetic pole piece 160(the 1st magnetic pole piece by the extremely magnetized magnet 16b and 1 of S) and by S extremely magnetized magnetic pole piece 162(the 2nd magnetic pole piece) magnet 16c(main magnet).In addition, the magnetic pole piece 160 of magnet 16c is formed at one end of magnet 16c, and is arranged between the position M1 being configured with Hall IC 50a and the position M2 being configured with Hall IC 50b, 50c, 50d.
In addition, the axial length of magnetic pole piece 162 is also set to fully longer than the axial length of magnetic pole piece 160.In present embodiment, magnetic pole piece 162 has the length of about 8 times of the axial length of magnetic pole piece 160.And the axial length being formed at the magnetic pole piece 162 of magnet 16c is formed than the axial length long enough of the magnetic pole piece 160 of magnet 16c.
Because Hall IC 50a is configured at the position M1 of the opening circumference 4c close to rotor 4, so detect the transformation in the direction of the flux produced from one end of magnet 16a, 16b, 16c.Because Hall IC 50b, 50c, 50d are configured on the position M2 relative with magnet 16a, 16b, 16c, so detect the transformation in the direction of the flux produced from the central authorities of magnet 16a, 16b, 16c.
Fig. 8 is the rearview of detecting sensor 6, and Fig. 9 is the rear view of detecting sensor 6.Detecting sensor 6 is formed as roughly fan-shaped, and the outer circumferential surface section 6b of detecting sensor 6 is formed with support portion 64, on the inner circumferential face 6a of detecting sensor 6, is formed with support portion 62 and shell 68.Support portion 62 has 1 and gives prominence to wrist 62a, 62b of formation and the connecting portion 62c of connection 1 couple of wrist 62a, 62b to the inner circumferential face 6a from detecting sensor 6, and connecting portion 62c is fixed on the main part 2a of stator core 2 by links such as screws.In addition, shell 68 has the peristome 68a facing to wrist 62a formation opening, the bearing of trend facing to foot 80a forms peristome 68b, the connection opening portion 68a of opening and the guide portion 68c of peristome 68b and is formed as trapezoidal wall portion 68d.In addition, the guide portion 68c flexing being formed at shell 68 is formed, and tilts towards the bottom surface sections 6d in the outside of detecting sensor 6.Therefore, the wire 100a be electrically connected with Hall IC 50a, 50b, 50c, 50d strides across wrist 62a insertion opening portion 68a, and is directed to peristome 68b along guide portion 68c.
In addition, the bottom surface sections 6d in the outside of detecting sensor 6 has insertion section 72 and 7 protrusion tabs 92a, 92b of 6 face of the inner circumferential along detecting sensor 6 6a formation, and the wire 100a being directed to peristome 68b inserts each insertion section 72.And, because implement fillet processing, so wire 100a is inserted insertion section 72 sleekly to insertion section 72.
1 couple of protrusion tab 92a being formed at the bottom surface sections 6d in the outside of detecting sensor 6 has 1 rib, 93,5 protrusion tab 92b respectively and has 2 ribs 93 respectively.In addition, 5 protrusion tab 92b are equally spaced configured between 1 couple of protrusion tab 92a.Therefore, the rib 93 being formed at protrusion tab 92a, 92b relatively configures mutually.The wire 100a inserting each insertion section 72 is arranged between protrusion tab 92a, 92b respectively, and by rib 93 conquassation.Wire 100a is reliably kept by protrusion tab 92a, 92b, so can not come off from insertion section 72.
Figure 10 is the perspective view of detecting sensor 6, and the packing material 150 of filling to detecting sensor 6 is removed.In addition, Figure 11 is the decomposition diagram of detecting sensor 6.Figure 12 is the decomposition diagram of sensor unit 32, and Figure 13 is the rearview of base component 42.
As shown in Figure 10, detecting sensor 6 has the sensor box 60 being formed as roughly fan-shaped, and is housed in the sensor unit 32 of sensor box 60.Sensor box 60 has the outstanding bottom surface sections 66c being formed at the inner side of sensor unit resettlement section 66 of 66,1 pair, sensor unit resettlement section fixed part 70 of collecting sensor unit 32.
As shown in figure 11, sensor unit 32 has the substrate 34 being formed as roughly fan-shaped, the roughly fan-shaped base component 42 being fixed on substrate 34 and 4 are arranged on base component 42 Hall IC 50a, 50b, 50c, 50d.In addition, on substrate 34, be formed with 1 pair of through hole 36 and 1 pair of through hole 39, the fixed part 49 being formed at base component 42 inserts through hole 36, and fixed part 70 inserts through hole 39.Like this, sensor unit 32 is fixed in sensor unit resettlement section 66.
As shown in figure 12, substrate 34 is formed as roughly fan-shaped, is formed with 6 through holes 38 at the inner peripheral portion 34a of substrate 34, and the peripheral part 34b of substrate 34 is formed 4 through holes 35a, 35b, 35c respectively.In addition, as mentioned above, the fixed part 49 being formed at base component 42 inserts the through hole 36 being formed at substrate 34, and the fixed part 70 being formed at sensor box 60 inserts the through hole 39 being formed at substrate 34.
The sensor element 52 that the direction that 4 Hall IC 50a, 50b, 50c, 50d have the flux detecting magnet 16 respectively changes, and 3 pin 54a, 54b, 54c extended out from sensor element 52.In addition, the length of 3 pins 54a, 54b, 54c of Hall IC 50a is shorter than the length of pin 54a, 54b, 54c of Hall IC 50b, 50c, 50d.
As shown in Figure 12 and Figure 13, base component 42 have roughly fan-shaped main part 44,4 from main part 44 plane give prominence to the fixed part 49 that the clamp sheet 46a of formation, 46b, 46c, 46d and the plane from another side give prominence to formation.Clamp sheet 46a, 46b, 46c, 46d, have respectively from main part 44 plane give prominence to formation base end part 47a and from base end part 47a extend out formed leading section 47b, the width of leading section 47b is formed less than the width of base end part 47a.In addition, Hall IC 50a, 50b, 50c, 50d are arranged on each clamp sheet 46a, 46b, 46c, 46d.
The length of the leading section 47b of clamp sheet 46a is formed shorter than the length of the leading section 47b of clamp sheet 46b, 46c, 46d.Therefore, Hall IC 50a is arranged on than being configured with on the position of position close to substrate 34 of Hall IC 50b, 50c, 50d.Therefore, as shown in Figure 7, Hall IC 50a is configured on the position M1 close to the opening circumference 4c of rotor 4, and Hall IC 50b, 50c, 50d are configured on the position M2 relative with magnet 16a, 16b, 16c.
And the main part 44 of base component 42 has each 4 notch parts 45a, 45b, 45c, each notch part 45a, 45b, 45c and be formed at through hole 35a, 35b, 35c overlay configuration of substrate 34.Therefore, being arranged on clamp sheet 46a, the Hall IC 50a of 46b, 46c, 46d, pin 54a, 54b, 54c of 50b, 50c, 50d by being formed at notch part 45a, 45b, 45c of base component 42, inserting through hole 35a, 35b, 35c of being formed at substrate 34.
In addition, each clamp sheet 46a, 46b, 46c, 46d are formed with groove portion 48a, 48b, the 48c corresponding to notch part 45a, 45b, 45c.Therefore, pin 54a, 54b, 54c of Hall IC 50a, 50b, 50c, 50d are buried in groove portion 48a, 48b, 48c respectively, so clamp sheet 46a, 46b, 46c, 46d can not maximize.
In addition, 6 through holes 38 being formed at the inner peripheral portion 34a of substrate 34, are equally spaced configured by only standoff distance L1 respectively.Equally, 6 insertion sections 72 being formed at sensor box 60, only standoff distance L1 is equally spaced formed respectively.Therefore, when sensor unit 32 is fixed on sensor unit resettlement section 66, the through hole 38 being formed at substrate 34 respectively with insertion section 72 overlay configuration.
And as mentioned above, wire 100a inserts insertion section 72.Insertion section 72 slightly swell is formed, so only form gap slightly between insertion section 72 and substrate 34.Therefore, be inserted into from the wire 100a of the bottom surface sections 6d insertion insertion section 72 in the outside of detecting sensor 6 through hole 38 being formed at basal disc 34.
Insert each pin 54a, 54b, 54c of being formed at through hole 35a, 35b, 35c of substrate 34 to be electrically connected with substrate 34 by solder.Equally, insert the wire 100a being formed at the through hole 38 of substrate 34 to be electrically connected with substrate 34 by solder.That is, pin 54a, 54b, 54c and wire 100a is electrically connected respectively.
In addition, as mentioned above, sensor unit 32 is fixed on sensor box 60 with the fixed part 70 being formed at sensor box 60 by the fixed part 49 being formed at base component 44.That is, operator need not support sensor unit 32, can carry out the welding job of pin 54a, 54b, 54c and substrate 34, and the welding job of wire 100a and substrate 34.
1 pair of pedestal portion 74 is formed at the bottom surface sections 66c of the inner side of sensor unit resettlement section 66.The peripheral part 34b being configured in the substrate 34 of sensor unit resettlement section 66 is supported by the main part 44 of base component 42, and the inner peripheral portion 34a of substrate 34 is supported by pedestal portion 74.The height in pedestal portion 74 is equal with the thickness of the main part 44 of base component 42, so sensor unit 32 is stably configured in sensor unit resettlement section 66.
Figure 14 is the front view of sensor box 60, and Figure 15 is the cutaway view of foot 80a, and Figure 16 is the cutaway view of foot 80b, 80c, 80d.Figure 17 is the enlarged drawing of recess 88.Figure 18 is the enlarged drawing of insertion section 72, and Figure 19 is the cutaway view of insertion section 72.
As shown in Figure 15, Figure 16, the base end part 82 being formed at foot 80a, 80b, 80c, 80d of sensor box 60 has recess 88 respectively, and pars intermedia 84 has recess 90 respectively.Recess 88 forms opening facing to the bottom surface sections 66c of the inner side of sensor unit resettlement section 66, and recess 90 forms opening facing to the bottom surface sections 88a of recess 88.Therefore, when sensor unit 32 is fixed on sensor unit resettlement section 66, Hall IC 50a, 50b, 50c, 50d are just inserted in recess 90.In addition, the aperture area of the peristome 90b of the open area ratio recess 90 of the peristome 88b of recess 88 is large.
The wall portion 88c of recess 88 tilts to be formed facing to the bottom surface sections 66c of the inner side of sensor unit resettlement section 66.Therefore, each Hall IC 50a, 50b, 50c, 50d insert in recess 90 along the wall portion 88c of recess 88 respectively.That is, Hall IC 50a, 50b, 50c, 50d can be configured in recess 90 by operator like a cork.
In addition, as shown in figure 17,2 rib 91a are formed with at recess 90.Therefore, the Hall IC 50a in insertion recess 90,50b, 50c, 50d are configured at the position of regulation.
The length being formed at the rib 91a in foot 80a is longer than the length of the rib 91a be formed in foot 80b, 80c, 80d.Therefore, even when being configured at by Hall IC 50a on the position M1 close to the opening circumference 4c of rotor 4, because Hall IC 50a is connected to rib 91a, the position of regulation thus can be configured in.
As mentioned above, packing material 150 is filled in sensor unit resettlement section 66.As described in Figure 17, the recess 88 being formed at sensor unit resettlement section 66 has width W 1, and as shown in figure 13, the main part 44 of base component 42 has the width W 2 less than the width W 1 of recess 88.Therefore, even if Hall IC 50a, 50b, 50c, 50d are configured in recess 90, the peristome 88b of recess 88 also can not be covered by the main part 44 of base component 42.Therefore, the packing material 150 being filled in sensor unit resettlement section 66 does not hinder by base component 42, is filled in recess 90.
As mentioned above, pin 54a, 54b, 54c be buried in be formed in clamp sheet 46a, 46b, 46c, 46d groove portion 48a, 48b, 48c in, so clamp sheet 46a, 46b, 46c, 46d can not maximize.And 3 groove portion 91b are formed at recess 90.Therefore, clamp sheet 46a, 46b, 46c, 46d blow-by recess 90 ground are configured in recess 90.Therefore, packing material 150 is not filled in recess 90 by clamp sheet 46a, 46b, 46c, 46d with hindering.
As shown in Figure 18, Figure 19,6 ribs 73 are equally spaced formed at the insertion section 72 be formed on sensor box 60.Therefore, wire 100a is inserted insertion section 72 by rib 73 conquassation.When wire 100a is by rib 73 conquassation, wire 100a is out of shape, and invades the gap between rib 73.Therefore, the packing material 150 being filled in sensor unit resettlement section 66 can not be gone out by the External leakage of insertion section 72 to sensor box 60.
And, as shown in Figure 18, Figure 19, because rib 73 is formed as triangle taper, so when wire 100a is inserted insertion section 72, the contact area of wire 100a and rib 73 diminishes.Therefore, wire 100a can be inserted insertion section 72 by operator expeditiously.
In addition, as shown in figure 12, be formed with the notch part 45d of semi-circular shape at the substantial middle place of base component 42, be formed with through hole 37 at the substantial middle place of the substrate 34 be fixed on base component 42.Be formed at the through hole 37 of substrate 34 and the notch part 45d overlay configuration being formed at base component 42, therefore the bottom surface sections 66c of the inner side of sensor unit resettlement section 66 is exposed by notch part 45d and through hole 37.Therefore, be accumulated in the air between the bottom surface sections 66c of the inner side of sensor box 60 and sensor unit 32, by through hole 37 stacked with notch part 45d, be discharged to the outside of sensor box 60.That is, air can not be trapped between the bottom surface sections 66c of the inner side of sensor unit 32 and sensor unit resettlement section 66, protects so sensor unit 32 is reliably filled material 150.
Figure 20 is the figure of the waveform representing the signal that control part generates.
As mentioned above, pin 54a, 54b, 54c of Hall IC 50a, 50b, 50c, 50d are electrically connected with wire 100a by substrate 32, and wire 100a is electrically connected with control part.Therefore, when Hall IC 50a, 50b, 50c, 50d detect that the direction of the flux produced from magnet 16a, 16b, 16c changes, as shown in figure 20, control part generates signal S1, S2, S3, S4.
That is, when detecting that the Hall IC 50a of flux, 50b, 50c, the 50d produced from magnet 16b detects the flux produced from magnet 16a, control part makes the level of signal S1, S2, S3, S4 uprise.In addition, when detecting that the Hall IC 50a of flux, 50b, 50c, the 50d produced from magnet 16a detects the flux produced from magnet 16b, control part makes the level step-down of signal S1, S2, S3, S4.
In addition, when detecting that the Hall IC 50b of flux, 50c, the 50d produced from magnet 16a detects the flux produced from magnet 16c, control part makes the level step-down of signal S2, S3, S4.In addition, when detecting that the Hall IC 50b of flux, 50c, the 50d produced from magnet 16c detects the flux produced from magnet 16a, control part makes the level of signal S2, S3, S4 uprise.
But Hall IC 50a is configured on the position M1 close to the opening circumference 4c of rotor 4, so detect the transformation in the direction of the flux produced from one end of magnet 16a, 16b, 16c.In addition, the magnetic pole piece 160 being formed at one end of magnet 16c is magnetized by the N pole identical with the magnetic pole of adjacent magnet 16a.Even if detect that the Hall IC 50a of the flux produced from magnet 16a detects the flux produced from magnet 16c, control part does not make the level of signal S1 change yet.Equally, even if detect that the Hall IC 50a of the flux produced from magnet 16c detects the flux produced from magnet 16a, control part does not make the level of signal S1 change yet.
Namely, detecting that the Hall IC 50a of the flux produced from magnet 16a detects the moment T1 of the flux produced from magnet 16c, and detect that the Hall IC 50a of the flux produced from magnet 16c detects that between the moment T2 of the flux produced from magnet 16a, control part does not make the level step-down of signal S1.And, control part between moment T1 and moment T2, according to the moment T3 making the level of signal S3 uprise, by engine ignition.
In addition, the starter-generator 1 of present embodiment is the brushless motor of three-phase alternating current formula, so Hall IC 50b, 50c, 50d configure accordingly with the coil 10 of V phase, W phase, U phase respectively.Therefore, when Hall IC 50b, 50c, 50d detect that the direction of the flux of magnet 16 changes, control part generates signal S2, S3, S4, and makes it correspond to V phase, W phase, U phase.And, when control part detects the position of rotor 4 relative to coil 10, by controlling the moment supplying electric current to the coil 10 of each phase, drive starter-generator 1.
Claims (7)
1. a starter-generator, is characterized in that, has:
By the stator core possessing multiple magnetic material being formed as the teeth portion of T-shaped and form;
Be wound in the coil of the teeth portion of described stator core;
Around the bowl-shape rotor that described stator core rotates;
At multiple excitation magnet that the inner peripheral surface magnetic pole of described rotor alternately configures; With
Detect the detecting sensor of the position of rotation of described rotor,
Described detecting sensor has: be arranged on the substrate on described stator core; With setting on the substrate, to the sensor element that the transformation of the flux that described excitation magnet produces detects,
Described detecting sensor has: first sensor element, and it detects the transformation of the flux produced from one end of described excitation magnet; With the second sensor element, it detects the transformation of the flux produced from the central authorities of described excitation magnet.
2. starter-generator as claimed in claim 1, it is characterized in that, described detecting sensor has the foot between the described teeth portion being located at described stator core, and described foot configures with the described excitation magnet subtend of the described inner peripheral surface being located at described rotor.
3. starter-generator as claimed in claim 2, it is characterized in that, described detecting sensor also has the sensor box being provided with described foot, and described sensor box accommodates described substrate, and described substrate is provided with described sensor element.
4. the starter-generator as described in claim 1 or 3, is characterized in that, described detecting sensor has foot, and described foot has the heavy section of central authorities and is formed at the thinner wall section of both sides of described heavy section, and described heavy section is configured between described teeth portion.
5. starter-generator as claimed in claim 1, it is characterized in that, at the described inner peripheral surface of described rotor, described excitation magnet configures in the mode with mutually different magnetic poles.
6. starter-generator as claimed in claim 1, it is characterized in that, in one end of the axis of one of them of described multiple excitation magnet, being formed with adjacent magnet is the magnetic pole of same polarity.
7. starter-generator as claimed in claim 1, it is characterized in that, become the pole change of identical polar between the magnetic pole of the exciting magnet that described first sensor element testing is circumferentially adjacent, between the magnetic pole of the exciting magnet that described second sensor element detection is circumferentially adjacent, become the pole change of opposed polarity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310074870.9A CN103151895B (en) | 2009-02-24 | 2009-02-24 | Starter-generator |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310074870.9A CN103151895B (en) | 2009-02-24 | 2009-02-24 | Starter-generator |
| CN 200910118708 CN101814814B (en) | 2009-02-24 | 2009-02-24 | Start generator |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910118708 Division CN101814814B (en) | 2009-02-24 | 2009-02-24 | Start generator |
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| Publication Number | Publication Date |
|---|---|
| CN103151895A CN103151895A (en) | 2013-06-12 |
| CN103151895B true CN103151895B (en) | 2016-03-30 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310074870.9A Active CN103151895B (en) | 2009-02-24 | 2009-02-24 | Starter-generator |
| CN 200910118708 Active CN101814814B (en) | 2009-02-24 | 2009-02-24 | Start generator |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910118708 Active CN101814814B (en) | 2009-02-24 | 2009-02-24 | Start generator |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762812A (en) * | 2014-01-20 | 2014-04-30 | 南通大青节能科技有限公司 | Direct-current brushless starting magneto for vehicle |
| CN203840142U (en) * | 2014-04-30 | 2014-09-17 | 中山大洋电机股份有限公司 | Plastic packaging electric machine |
| JP6350114B2 (en) * | 2014-08-22 | 2018-07-04 | スズキ株式会社 | Detection sensor and starter generator |
| CN107947462A (en) * | 2017-11-28 | 2018-04-20 | 浙江力俭新能源科技有限公司 | A kind of starter-generator |
| CN110011483A (en) * | 2019-04-25 | 2019-07-12 | 温岭市九洲电机制造有限公司 | A kind of Hall board mount and the wheel hub electric motor of electric vehicle containing the bracket |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4631459A (en) * | 1984-12-25 | 1986-12-23 | Matsushita Electric Industrial Co., Ltd. | Brushless DC motor |
| CN1367116A (en) * | 2001-01-24 | 2002-09-04 | 三洋电机株式会社 | Vehicle with auxiliary power |
| CN1957517A (en) * | 2004-05-20 | 2007-05-02 | 株式会社东芝 | Motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11356088A (en) * | 1998-06-08 | 1999-12-24 | Matsushita Electric Ind Co Ltd | Driver of brushless motor |
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2009
- 2009-02-24 CN CN201310074870.9A patent/CN103151895B/en active Active
- 2009-02-24 CN CN 200910118708 patent/CN101814814B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4631459A (en) * | 1984-12-25 | 1986-12-23 | Matsushita Electric Industrial Co., Ltd. | Brushless DC motor |
| CN1367116A (en) * | 2001-01-24 | 2002-09-04 | 三洋电机株式会社 | Vehicle with auxiliary power |
| CN1957517A (en) * | 2004-05-20 | 2007-05-02 | 株式会社东芝 | Motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101814814B (en) | 2013-04-10 |
| CN101814814A (en) | 2010-08-25 |
| CN103151895A (en) | 2013-06-12 |
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