CN1069792C

CN1069792C - Device for starting and power generation for vehicle

Info

Publication number: CN1069792C
Application number: CN98115750A
Authority: CN
Inventors: 本馆尚司
Original assignee: Honda Motor Co Ltd
Current assignee: Honda Motor Co Ltd
Priority date: 1997-07-08
Filing date: 1998-07-07
Publication date: 2001-08-15
Anticipated expiration: 2018-07-07
Also published as: CO4750744A1; ID20664A; JPH1132467A; AR022995A1; KR19990013693A; MY136540A; BRPI9802396B1; BR9802396A; KR100311205B1; TW421903B; CN1204884A; ITTO980596A1; JP3781149B2

Abstract

The present invention provides a starter and generator for a vehicle, which can reduce the amount of protrusion to the outside of the crankshaft in the starter and generator provided with a governor mechanism. It winds the starting winding 17 and the generating winding 16 on the stator core of the same armature, and the rotary inner magnetic rotor 11 is embedded on the crankshaft 6, and the commutation brush is arranged on the inner side of the rotor in the direction of the crankshaft. In the mechanism 20, a governor mechanism 30 is arranged outside in the crankshaft direction, and the brushes and the commutator elements of the commutation brush mechanism 20 are clutched by the governor mechanism 30 .

Description

For motor vehicle actuating and generating device

The present invention relates to a kind of handle and be contained in the actuating and generating device that ignitor of IC engine on the vehicle and Blast Furnace Top Gas Recovery Turbine Unit (TRT) are combined into one, especially have the actuating and generating device for vehicles of governor mechanism.

About for motor vehicle actuating and generating device that is provided with governor mechanism the disclosed example of the applicant's previous application (Japanese patent gazette spy opens flat 8-289520 number) is arranged.

Fig. 3 represents above-mentioned example.

This for motor vehicle actuating and generating device 01 is arranged on by the side of crankcase 02, and setting-in internal rotor 04 in the end of bent axle 03, and it and bent axle 03 turn round with being integral, and internal rotor 04 is a revolution internal magnetization rotor of rabbeting magnet 05 along 6 positions of its periphery.

External stator 06 be bearing on the crankcase 02 and be arranged on internal rotor 04 around, on external stator 06, reeling together generating winding 07 and starting winding 08.

And governor mechanism 010 in the arranged outside of internal rotor 04, governor mechanism 010 by with internal rotor 04 all-in-one-piece speed regulator external member 011, can be integral the speed regulator internal structure 012 that moves vertically with brush retainer 021 and be installed in and above-mentionedly constitute as the steel ball 013 of centrifugal speed governor weight between the two.

Position, more lateral at this governor mechanism 010 is being provided with commutating brush mechanism 020, brush 022 is given prominence to and can be integral vertically on the lateral surface of the brush retainer 021 that moves with above-mentioned speed regulator internal structure 012, with the sub-retainer 023 of brush commutation vis-a-vis on setting commutator segment 024.

When engine starting, brush 022 is contacted with commutator segment 024, the electric current of supplying with from battery flows to 08 li of starting winding, produces rotary torque on internal rotor 04, makes bent axle 02 revolution, thereby makes engine starting.

When revolution increases behind the engine starting, by centrifugal action, steel ball 013 is moved to peripheral direction, speed regulator internal structure 012 is slided along crankshaft direction, can make thus brush 022 automatically with commutator segment 024 disengaging.

Yet, because above-mentioned for motor vehicle actuating and generating device 01 is as described above governor mechanism 010 and commutating brush mechanism 020 to be provided in by the outside of internal rotor 04 successively, thus bigger to the amount of bloating in the bent axle outside.

The present invention makes in order to address the above problem, and its objective is provides a kind of for motor vehicle actuating and generating device, and it is the amount of bloating that can reduce in having the actuating and generating device of governor mechanism to the bent axle outside.

The for motor vehicle actuating and generating device of the 1st technical scheme of the present invention of making in order to achieve the above object, it is that starting winding and generating winding are wound in the stator core of same armature, it is characterized in that: setting-in revolution internal magnetization rotor on bent axle, crankshaft direction inboard at this rotor is setting commutating brush mechanism, set governor mechanism in the crankshaft direction outside, carrying out the clutch of commutation of brush and commutating brush mechanism by above-mentioned governor mechanism.

The for motor vehicle actuating and generating device of the 2nd technical scheme of the present invention is in the described for motor vehicle actuating and generating device of claim 1, it is characterized in that: it is that the starting winding and the generating winding deflection crankshaft direction that are wound on the said stator iron core are wound in the stator core medially, to reduce the overhang towards the outside.

The for motor vehicle actuating and generating device of the 3rd technical scheme of the present invention is in the described for motor vehicle actuating and generating device of claim 1, it is characterized in that: be provided with the rotor that CAP detects usefulness on the rotating part of above-mentioned governor mechanism with being integral.

The for motor vehicle actuating and generating device of the 4th technical scheme of the present invention, be in the described for motor vehicle actuating and generating device of claim 3, it is characterized in that: in the crankshaft direction of the above-mentioned rotor outside, setting fan that the internal combustion engine forced air-cooling is used with being integral.

Because the crankshaft direction inboard commutating brush mechanism is provided in revolution internal magnetization rotor is provided with governor mechanism dividually with commutating brush mechanism, thereby can reduces the amount of bloating to the crankshaft direction outside outside axially.

Because commutating brush mechanism is provided in the crankshaft direction inboard of revolution internal magnetization rotor, thereby can protect commutating brush mechanism easily, and makes it avoid the influence of dust in the outside air.

Owing to reduced starting winding and generating winding from stator core overhang laterally, thereby can further reduce the amount of bloating to the crankshaft direction outside.

Owing on the rotating part of above-mentioned governor mechanism, be provided with the rotor that CAP detects usefulness with being integral.Can utilize the rotating part of governor mechanism easily to carry out the configuration of rotor.

Because in the crankshaft direction of the above-mentioned rotor outside, setting fan that the internal combustion engine forced air-cooling is used with being integral.Can easily carry out the installation of fan, and the dust in the outside air that is imported by fan be blocked, thereby can prevent that dust from invading commutating brush mechanism by rotor.

Fig. 1 is the profile of the actuating and generating device for vehicles of one embodiment of the present of invention.

Fig. 2 is the profile under another state of above-mentioned actuating and generating device for vehicles.

Fig. 3 is the profile of former actuating and generating device for vehicles.

Below, with reference to Fig. 1 and Fig. 2 one embodiment of the present of invention are described.

Fig. 1 and Fig. 2 represent to be arranged on the profile of different conditions of the actuating and generating device for vehicles 10 of the embodiment of the invention on the internal combustion engine 1.

Internal combustion engine 1 is 2 circulation single-cylinder internal combustion engines, from crankcase 2 cylinder block 3, cylinder head 4 and cylinder cover 5 is being set highlightedly, is bearing on the crankcase 2 along the left and right horizontal direction by base bearing 7 by the rotating bent axle 6 of crank mechanism.

Crankcase 2 is done cup-shaped, it is that setting-in that part of as diapire of base bearing 7, and cylindrical wall 2a extends to the right and forms; Bent axle 6 is given prominence to right-hand from base bearing 7 in cup-shaped central authorities.

Internal rotor (revolution internal magnetization rotor) 11 is inlaid on the nose circle tapering of above-mentioned bent axle 6, and is fastening by nut 13, revolution integratedly.

Being formed with section on 6 positions of the outer peripheral face of internal rotor 11 is circular-arc groove, and setting-in the magnet 12 that neodymium iron boron is made in each groove.

Be configured in the external stator 15 on the periphery of internal rotor 11, the outer peripheral edges portion with it is installed on the cylindrical wall 2a of crankcase 2 by bolt 19.

The stator core of external stator 15 is made of the sheet metal lamination, and a plurality of iron yokes that extend to the center from the circular part of outer peripheral edges are twining generating winding 16 and starting winding 17.

Make this generating winding 16 and the 17 deflection crankshaft direction rolling-in medially of starting winding on the iron yoke, so that reduce overhang as illustrated in fig. 1 to the crankshaft direction outside.

Make generating winding 16 and starting winding 17 inboard more outstanding than laterally to crankshaft direction in the cylindrical wall 2a of crankcase 2, this two winding is done circlewise, side forms the inner space within it, and commutating brush mechanism 20 is formed in this inner space.

In this inner space, brush retainer 21 is connected the ground setting-ins by bent axle 6 and, and it can not carry out circumferential revolution, can only slide vertically with respect to bent axle 6, is clamping spring 23 between it and internal rotor 11, and brush retainer 21 is suppressed to axial inboard.

On a plurality of regulations position of the medial surface of brush retainer 21, brush 22 is subjected to the effect of spring and giving prominence to.

Connected by bent axle 6 with the central portion of the sub-retainer 25 of medial surface commutation vis-a-vis of this brush retainer 21, its outer peripheral edges are fixedly supported upon above-mentioned on the more outstanding generating winding 16 and starting winding 17 parts in axial inboard.

On commutation sub-retainer 25 and regulation position, surface that brush retainer 21 faces toward, disposing commutator segment 26 with becoming concentric circles.

Can separate near the fixing sub-retainers 25 of commutation or with it with the rotating brush retainers 21 of bent axle 6, near the time brush 22 contact with desired commutator segment 26.

On the other hand, the crankshaft direction outboard end of internal rotor 11 forms inner cylindrical section 31 vertically with extending outwardly and hides the concentric outer cylinder portion 32 in its outside.Governor mechanism 30 is formed in here; Above-mentioned inner cylindrical section 31 has hidden around the nut 13 that is tightened on bent axle 6 front ends.

Promptly, on the inner peripheral surface of outer cylinder portion 32, form tapering, outer cylinder portion 32 is constituted the speed regulator external members, on the periphery of inner cylindrical section 31, can be free to slide the ground setting-in vertically and speed regulator internal structure 33, between speed regulator internal structure 33 and outer cylinder portion 32, adorn steel ball 34 as the centrifugal speed governor weight.

One end of connecting axle 35 is fastened on the speed regulator internal structure 33 that can be free to slide vertically of governor mechanism 30, and it and bent axle 6 connect internal rotor 11 abreast, and front end is rabbeted on brush retainer 21.

Connecting axle 35 connects into one each other with speed regulator internal structure 33 and brush retainer 21, and they can be moved along crankshaft direction together.

As shown in Figure 1, when bent axle 6 stops, brush retainer 21 is subjected to the elastic force effect of spring 23, towards axial medial movement, brush 22 is contacted with commutator segment 26, like this, when by the battery supplying electric current, electric current flow to through the contact portion between brush 22 and the commutator segment 26 starting winding 17 on, on internal rotor 11, produce rotary torque, make bent axle 6 revolutions, can make internal combustion engine 1 starting thus.

When engine speed increases, by action of centrifugal force steel ball 34 is moved on the conical inner surface of outer cylinder portion 32 towards the periphery direction, speed regulator internal structure 33 is slided to the axial outside, make the also side shifting outside axially of brush retainer 21 that forms one by connecting axle 35 as illustrated in fig. 2, brush 22 breaks away from automatically with commutator segment 26 when surpassing the regulation revolution, after this generate electricity by generating winding 16, to battery charge.

End edge portion in the outer cylinder portion 32 that constitutes speed adjusting gear 30 is being provided with the tabular rotor 40 of annulus that crank angle detects usefulness with being integral, the end edge portion interlocking of its inner peripheral and outer cylinder portion 32; The pulse generator 41 approaching with the outer peripheral edges of rotor 40 is fixed on the crankcase 2, is provided on the assigned position.

The outer peripheral edges that are integral rotating rotor 40 by internal rotor 11 and bent axle 6 are provided with indentation, and pulse generator 41 detects this indentation, judges crank angle thus.

The tabular rotor 40 of annulus hides the generating winding 16 and the starting winding 17 of external stator 15 from the outside.

And the fan member 45 that the internal combustion engine forced air-cooling is used is set with being integral in the axial outside of rotor 40.

Fan member 45 is made such structure, promptly, be fixed tightly on the outer cylinder portion 32 of internal rotor 11 with the skirt section of bolt 46 with its central conus portion 45a, is arranged on the outside that fan 45b on the periphery of skirt section erectly is arranged on rotor 40.

Cover fan member 45 with fan guard 48.

The outside, fan guard 48 in fan member 45 form outside air suction inlet 48a, constitute sucking the guiding walls 48b of air towards cylinder cover 5 guidings.

Because the actuating and generating device for vehicles 10 of present embodiment has above-mentioned structure, set commutating brush mechanism 20 in the axial inboard of internal rotor 11, outside axially, set governor mechanism 30 with leaving, thereby can reduce the amount of bloating to the bent axle outside with commutating brush mechanism 20.

Owing to generating winding on the yoke of the stator core that is wound on external stator 15 16 and starting winding 17 are to be partial to axially to reel medially, reduced overhang laterally, thereby can not make the rotor 40 and the fan member 45 in its outside too be positioned at the axial outside, can further reduce the amount of bloating to the bent axle outside.

Though the revolution by fan 45b enlarges along central conus portion 45a the outside air that the outside air suction inlet 48a from fan guard 48 imports to periphery, but because rotor 40 blocks importing air, prevent that it is to depths of for motor vehicle actuating and generating device 10 intrusion, thereby the outside air difficulty is invaded be in than for motor vehicle actuating and generating device 10 commutating brush mechanism 20 of depths (axially inboard) more, therefore can make commutating brush mechanism 20 avoid being included in the influence of the dust in the outside air.

Claims

1. The starting and generating device for vehicles, which winds the starting winding and the generating winding on the stator core of the same armature, is characterized in that a rotating inner magnetic rotor is embedded on the crankshaft, and the direction of the crankshaft of the rotor is A reversing brush mechanism is arranged on the inner side, and a governor mechanism is arranged on the outer side in the direction of the crankshaft, and the clutch of the brushes and the commutator of the reversing brush mechanism is performed by the governor mechanism.

2. The starting and generating device for vehicles according to claim 1, characterized in that: the starting winding and the generating winding wound on the stator core are wound on the stator core inwardly in the direction of the crankshaft to reduce the The amount of protrusion on the outside.

3. The vehicle starter and generator according to claim 1, wherein a rotating body for detecting the crank angle position is integrally provided on the rotating portion of the governor mechanism.

4. The starter and generator for a vehicle according to claim 3, wherein a fan for forced air cooling of the internal combustion engine is integrally provided on the outer side of the rotating body in the direction of the crankshaft.