CN104682617A - ISG (integrated starter generator) motor and hybrid power drive system with same - Google Patents
ISG (integrated starter generator) motor and hybrid power drive system with same Download PDFInfo
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- CN104682617A CN104682617A CN201310634709.2A CN201310634709A CN104682617A CN 104682617 A CN104682617 A CN 104682617A CN 201310634709 A CN201310634709 A CN 201310634709A CN 104682617 A CN104682617 A CN 104682617A
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- motor
- isg motor
- engine
- isg
- axle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/28—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the electric energy storing means, e.g. batteries or capacitors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
Abstract
The invention provides an ISG (integrated starter generator) motor. The ISG motor comprises a shell, a stator, a rotor, a rotating shaft, two bearings, a front end cover and a rear end cover. The ISG motor is a disc-type motor, the rotating shaft is a hollow shaft, and the disc-type motor also comprises a separation plate, a ball-cage constant-speed coupler and a rotary transformer. The invention also provides a hybrid power drive system with the ISG motor. The hybrid power drive system comprises an engine, a car clutch, a drive motor, a transmission shaft driving axle and a control assembly, the engine is sequentially connected with the car clutch, the drive motor and the transmission shaft driving axle, the engine is coaxially and integrally installed with the car clutch and the drive motor, the ISG motor is connected with the engine by virtue of the ball-cage constant-speed coupler, and the ISG motor and the engine are coaxially installed in a splitting manner. The ISG motor is small in size, small in occupied installation space and small in weight, an additional set of flywheel and flywheel shell is not needed, the axial length is reduced, and the problems caused by the arrangement of a belt transmission device such as low transmission efficiency, high oil consumption and complicated structure of the drive system can be avoided.
Description
Technical field
The invention belongs to Vehicle Engineering technical field, particularly relate to ISG motor and there is the hybrid electric drive system of described ISG motor.
Background technology
Present society possess passenger traffic, goods vehicle, the overwhelming majority is accounted for conventional car, along with the application of a large amount of auto electric equipments, as current vortex retarder, electric air-conditioning, electric engine heat management system and various vehicle electronics etc., power consumption reaches more than ten kilowatt, and current conventional vehicle often needs to install and multiplely could meet need for electricity by bel-drivenn conventional vehicle generator.And traditional automobile current generator generating efficiency only has about 50%, and multiple generator need be installed, cause engine room difficult arrangement, numerous and diverse, reduce reliability and increase maintenance difficulty, and multiple motor can add the installation space of generator on automobile, and the motor of drive system comprises and being made up of motor shaft, stator, rotor, bearing, casing, end cap etc. on the vehicles such as general bus, the size of motor is still larger comparatively speaking.
Refer to Fig. 1, Fig. 1 is the series parallel type drive system schematic diagram being applied in more than 12 meters hybrid-power bus at present, this system comprises engine 1, ISG motor (Integrated Starter Generator) 2, clutch 3, drive motors 4, drive axle 5, ISG electric machine controller 6, drive motor controller 7, accumulator 8, clutch actuating mechanism 9, engine water tank heat dissipation electrical fan 11 and compressor of air conditioner 12, and this existing drive system Problems existing is:
One, one is coaxially installed, and makes whole drive system occupy larger space along the length direction of corresponding vehicle, is unfavorable for that drive system is arranged on the vehicle of length limited space at some;
Two, because the weight of engine and drive motors is all at more than 600kg, and the moment of torsion that drive motors exports is up to 3000Nm, and this moment of torsion can be transmitted on engine under-chassis by ISG electric machine casing, therefore the casing rigidity of ISG motor needs high strength, the thickness of housing needs to increase, the weight of such ISG motor becomes large, in addition, this system also add a set of flywheel and flywheel shell, the overall weight of this series parallel type drive system strengthens further, runs counter to the simplification of automotive system structure, lightweight trend.
Refer to Fig. 2, Fig. 2 is widely used in more than 10.5 meters hybrid-power bus series parallel type drive system schematic diagrames at present, and this system comprises engine 1, clutch 2, drive motors 3, clutch actuating mechanism 4, drive axle 5, BSG motor (Belt Starter Generater) controller 6, drive motor controller 7, accumulator 8, BSG motor 10, compressor of air conditioner 11 and engine water tank heat dissipation electrical fan 12, this existing drive system Problems existing is: engine 1, clutch 2 and the coaxial one of drive motors 3 are installed, and described BSG motor and described engine are along the Width of corresponding vehicle is set up in parallel, engine 1 and being connected by belt drive unit with the BSG motor 10 of the axial parallel installation of engine 1, belt easily loosens and damages, transmission efficiency is low, generated output is low, when load factor is low and high engine speeds operates, BSG motor carrying air-cooled fan consume additional power and makes oil consumption height and carry belt tensioning mechanism and make driving system structure complicated.
Summary of the invention
One is the object of the present invention is to provide to have hollow shaft, dividing plate, the ISG motor of ball-cage constant velocity shaft coupling and resolver and a kind ofly there is described ISG motor and described ISG motor and described engine are connected by described ball-cage constant velocity shaft coupling and the hybrid electric drive system installed of coaxial separate, be intended to solve general motor in prior art take installing space and the ISG electric machine casing requirement of mechanical strength brought during diverse location after ISG motor coaxle is installed on engine large, housing wall thickness, and also to increase a flywheel and flywheel shell more, cause the large problem of the overall axial space of drive system and when ISG motor in engine for the Belt Transmission Efficiency needing increase belt drive unit when biaxial parallel is arranged and bring is low, oil consumption is high and carry belt tensioning mechanism and make the problem of driving system structure complexity.
The present invention realizes like this, a kind of ISG motor, it comprises casing, be installed on the stator in described casing, be installed on the rotor in described stator, to be arranged in described rotor and the rotating shaft together rotated with described rotor, the front end housing of two bearings being sheathed on the ends of described rotating shaft and the rear and front end being installed on described casing respectively and rear end cap, it is characterized in that: described ISG motor is disc type electric machine, described rotating shaft is hollow shaft, described ISG motor also comprises the spacer member being connected to and arranging in described hollow shaft and perpendicular to the axis of described hollow shaft, space in described hollow shaft is separated balling-up cage room and is revolved change room by described spacer member, described ISG motor also comprises being arranged at the indoor and ball-cage constant velocity shaft coupling rotated with described rotating shaft coaxle of described ball cage and revolving described in being arranged at and becomes indoor and the resolver rotated with described rotating shaft coaxle, described ball-cage constant velocity shaft coupling and described resolver are connected to the relative both sides of described spacer member, described ISG motor comprise to be connected with described spacer member and revolve described in stretching into become indoor revolving become axle and be connected with described rear end cap revolve change support, revolve described in described resolver is connected to and become on support, described ball-cage constant velocity shaft coupling comprises two ball cages and ball cage axle, described ball cage axle has first end and second end relative with described first end, described two ball cages are fixedly installed on first end and second end of described ball cage axle respectively, the described ball cage being positioned at the first end of described ball cage axle is connected with described spacer member, the arranged outside being positioned at the described ball cage of the second end of described ball cage axle has the first ring flange for being connected with engine crankshaft.
Further, the length of described hollow shaft is less than the vertical range between the lateral surface of described front end housing and the lateral surface of described rear end cap, and described hollow shaft is between the lateral surface and the lateral surface of described rear end cap of described front end housing.
Further, described spacer member is the dividing plate be fixedly connected with described hollow shaft, the described change axle that revolves is connected on described dividing plate, described first ring flange has the circumference exceeding corresponding described ball cage, described circumference is evenly equipped with some connecting holes on same circle, described dividing plate offers some installing technological holes, and described some installing technological holes and described some connecting holes are one to one.
Further, described spacer member is a tension device, described tension device comprises tensioner outer ring, being incorporated into the tensioner inner ring in described tensioner outer ring and being locked in described tensioner outer ring by described tensioner inner ring makes described tensioner outer ring be close to the locking part of the inner surface of described hollow shaft with tensioner outer ring described in spreading, described tensioner outer ring offers through hole, the described ball cage being positioned at the first end of described ball cage axle is installed on described tensioner outer ring through described tensioner inner ring, the described change axle that revolves is connected in this through hole, described revolving becomes the rotation of axle and the rotation axis coincident of described rotating shaft.
Further, described resolver comprise be set in described in revolve and become revolving on axle and become rotor, holding wire and revolve set, the described change support that revolves comprises circular bottom plate and revolves towards described the stator installation seat becoming room and extend by the side of described circular bottom plate, the inner coaxial of described stator is placed on outside described rotor, the outside of described stator is flush-mounted on described stator installation seat, and described holding wire becomes on support through revolving to become support and be fixed on to revolve.
Further, in the form of a ring, the inner side of described stator installation seat offers caulking groove to described stator installation seat, and the outside of described stator is embedded in described caulking groove.
Further, described revolve become axle be multidiameter, described revolving becomes axle and has first paragraph and the diameter second segment larger than the diameter of described first paragraph, described second segment is connected in described spacer member, the described change rotor that revolves is set on described first paragraph, form the block face revolving set described in locating between described first paragraph and described second segment, described ISG motor is magneto, asynchronous machine or reluctance motor.
Further, described ISG motor also comprises the ISG motor lead-out wire locker of the end face outer part being arranged at described rear end cap.
Because above-mentioned ISG motor have employed described hollow shaft, space in described hollow shaft is separated balling-up cage room and is revolved change room by dividing plate, and described ball-cage constant velocity shaft coupling is located in described ball cage room, revolve described in described resolver is located at and become in room, the inner space of described hollow shaft can be utilized like this to install described ball-cage constant velocity shaft coupling and described resolver, eliminate the axial space that the shaft coupling of ball-cage constant velocity described in prior art and described resolver take, thus reduce the axial dimension of entire system; In addition, because ISG design of electrical motor becomes disc type ISG motor, ISG motor is flat, and axial length dimension is also smaller, and the axial installing space taken is little; And owing to have employed the connection technique of the built-in ball-cage constant velocity shaft coupling of described hollow shaft, utilize ball cage shaft coupling radial direction, angle and nose balance characteristic, when making the bent axle constant speed direct connection of described hollow shaft and described engine, axiality requires to reduce, described ISG motor and described engine can independently on same mounting bracket be installed, make the front end without the conventional engine of adpting flange in front end, also can arrange ISG motor by the constant speed shaft coupling mode of ball-cage constant velocity shaft coupling.
Another object of the embodiment of the present invention is to provide a kind of mixed power automobile driving system, it comprises engine, drive motors, the clutch be connected with the power shaft of described drive motors, the power transmission shaft be connected with the output shaft of described drive motors, the drive axle be connected with described power transmission shaft and control assembly
Also comprise above-mentioned ISG motor, described clutch and described ISG motor are connected to the opposite end of described engine, described engine, described clutch and described drive motors successively coaxial one are installed, and described ISG motor is along engine shaft to the front being independently installed on described engine.
Further, the side of described engine is provided with crank pulley, described crank pulley offers concave station near the side of described ISG motor, described first ring flange is placed in described concave station, and the distance between the side end face offering described concave station of described crank pulley and the lateral surface of described front end housing is less than or equal to 5mm.
Further, described control assembly comprises the ISG electric machine controller be electrically connected with described ISG motor by holding wire, the drive motor controller be connected with described drive motors by cable, the accumulator, the clutch operating actuator be located at outside described drive motors that are connected with described ISG electric machine controller and described drive motor controller respectively by cable.
Further, described mixed power automobile driving system also comprises the upper hose and downcomer that are connected to described engine, the runner flow through for fluid is offered in described casing, described runner was around described casing one week, the top of described casing is provided with interface, the bottom of described casing is provided with lower interface, the junction of described upper interface and described lower interface and described runner is positioned at the vertical direction of the installation site of described casing, described upper hose is communicated in the upper interface of described casing, described downcomer is communicated in the lower interface of described casing, described upper hose is connected with a cooling water tank.
Compared with hybrid electric drive system after being installed on engine with by ISG motor coaxle, because described hybrid electric drive system has described ISG motor, and described ISG motor and described engine to be connected by described ball-cage constant velocity shaft coupling and coaxial independence is installed, such ISG motor and engine, clutch, drive motors is not integral, the moment of torsion that engine and drive motors running produce can't be conducted by ISG electric machine casing, so lower to the housing requirement of mechanical strength of ISG motor, as long as meet the requirement of mechanical strength of self running, therefore ISG electric machine casing is thinner, ISG motor weight is little, and drive system does not need to increase a flywheel and flywheel shell to install clutch again, clutch is installed in the bell housing and drive motors bell housing that engine carries, for output gross power be the hybrid electric drive system of about 220KW, the weight of described hybrid electric drive system will reduce more than 200kg, and the flywheel increased and flywheel shell are removed, at least can save 300mm axial length, so further reduction drive system overall weight and axial length dimension, therefore described hybrid electric drive system can device on the shorter 10 meters of buses of rear overhang, the vehicle be suitable for is wider,
As compared to the hybrid electric drive system that ISG motor and engine biaxial parallel are arranged, described hybrid electric drive system does not need to increase belt drive unit, do not produce that the Belt Transmission Efficiency brought by belt drive unit is low, generated output is low, load factor is low, belt easily loosen damage and high engine speeds running time BSG motor to carry air-cooled fan consume additional power, oil consumption high and carry belt tensioning mechanism and make the problem of driving system structure complexity; And described ISG design of electrical motor becomes disc type electric machine, its axial dimension is suitable with the axial dimension being installed on the belt pulley of motor head of the prior art, described hybrid electric drive system performance is better than the series parallel type drive system shown in Fig. 2, and overall axial dimension is less than the series parallel type drive system shown in Fig. 1.
Accompanying drawing explanation
Fig. 1 is the series parallel type driving system structure schematic diagram being applied in more than 12 meters hybrid-power bus that prior art provides.
Fig. 2 be prior art provide be applied in more than 10.5 meters hybrid-power bus series parallel type driving system structure schematic diagrames.
Fig. 3 is the mixed power automobile driving system structural representation that first embodiment of the invention provides.
Fig. 4 is the structural profile schematic diagram of the ISG motor be applied in the mixed power automobile driving system of Fig. 3.
Fig. 5 is the generalized section of the same structure of the ISG motor that Fig. 4 provides.
Fig. 6 is the profile of the part-structure schematic diagram of the mixed power automobile driving system that Fig. 3 provides, the motor of ISG shown in figure, and and not shown power transmission shaft, drive axle and control assembly.
Fig. 7 is the structural representation of annexation between engine, engine crankshaft belt pulley and belt pulley be applied on the mixed power automobile driving system shown in Fig. 1 or Fig. 2 that prior art provides, the profile of the crank pulley of part shown in figure and belt pulley.
Fig. 8 is the part-structure schematic diagram of the ISG motor applied in the mixed power automobile driving system that provides of second embodiment of the invention.
Fig. 9 is the three-dimensional exploded view of the tension device of ISG motor in Fig. 8
Figure 10 is ISG motor casing cross-sectional schematic
Figure 11 is ISG motor and engine-cooling system connection diagram
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 3 and Fig. 4, the ISG motor 4 applied in the mixed power automobile driving system that first embodiment of the invention provides comprise casing 40, the stator 41 be installed in described casing 40, the rotor 42 be installed in described stator 41, be arranged in described rotor 42 and the rotating shaft 43 together rotated with described rotor 42, be sheathed on described rotating shaft 43 ends two bearings 46 and be installed on the front end housing 44 of rear and front end and the rear end cap 45 of described casing 40 respectively.
Described stator 41 and described rotor 42 are all arranged in the space (sign) that described casing 40, described front end housing 44 and described rear end cap 45 surround.Described front end housing 44 and described rear end cap 45 can limit described two bearings 46 axially and the effect moved radially, and described front end housing 44 and described rear end cap 45 itself are except can except dust-proof and sealing, and also normal and seal cooperation is with the effect reaching sealing,
Please refer to Fig. 5, described ISG motor 4 is disc type electric machine 4, described disc type electric machine 4 is flat, axial length dimension is smaller, the axial installing space taken is little, and described rotating shaft 43 is hollow shaft 430, and described ISG motor 4 also comprises the spacer member 47 being connected to and arranging in described hollow shaft 430 and perpendicular to the axis of described hollow shaft 430, described spacer member 47 is connected with described hollow shaft 430 inwall, described spacer member 47 starting power transmission and supporting role;
Refer to Fig. 4, space in described hollow shaft 430 is separated balling-up cage room 4301 and is revolved change room 4302 by described spacer member 47, described ISG motor 4 also comprise be arranged in described ball cage room 4301 and with the ball-cage constant velocity shaft coupling 49 of described rotating shaft 43 coaxial rotation and revolving described in being arranged at becomes room 4302 interior and with the resolver 48 of described rotating shaft 43 coaxial rotation, described ball-cage constant velocity shaft coupling 49 is connected to the relative both sides of described spacer member 47 with described resolver 48, described ball-cage constant velocity shaft coupling 49 comprises two ball cages 491 and ball cage axle 492, described ball cage axle 492 has first end 4921 and second end 4922 relative with described first end 4921, described two ball cages 491 are fixedly installed on first end 4921 and second end 4922 of described ball cage axle 492 respectively, the described ball cage 491 being positioned at the first end 4921 of described ball cage axle 492 is connected with described spacer member 47, the arranged outside being positioned at the described ball cage 491 of the second end 4922 of described ball cage axle 492 has the first ring flange 4911 for being connected with engine crankshaft.
Described ISG motor 4 comprises being connected with described spacer member 47 and revolving described in stretching into and becomes revolving in room 4302 and become axle 481 and revolving of being connected with described rear end cap 45 becomes support 483.Revolve described in the stator 484 of described resolver 48 is connected to and become on support 483, revolve and become the rotation of axle 481 and the rotation axis coincident of described hollow shaft 430.
Because described ISG motor 4 additionally uses described spacer member 47, space in described hollow shaft 430 is separated balling-up cage room 4301 and is revolved change room 4302 by described spacer member 47, and described ball-cage constant velocity shaft coupling 49 is located in described ball cage room 4301, revolve described in described resolver 48 is located at and become in room 4302, the inner space of described hollow shaft 430 can be utilized like this to install described ball-cage constant velocity shaft coupling 49 and described resolver 48, eliminate the axial space that the shaft coupling of ball-cage constant velocity described in prior art 49 and described resolver 48 take, thus reduce the axial dimension of entire system.
Refer to Fig. 4 and Fig. 5, further, the length of described hollow shaft 430 is less than the vertical range between the lateral surface of described front end housing 44 and the lateral surface of described rear end cap 45, and described hollow shaft 430 is between the lateral surface and the lateral surface of described rear end cap 45 of described front end housing 44.
Described hollow shaft 430 is without overhanging hollow shaft 430, namely the opposite end surface of described hollow shaft 430 does not exceed the lateral surface of described front end housing 44 and the lateral surface of described rear end cap 45 respectively, be conducive to the axial length reducing described hollow shaft 430 like this, reduce the axial installing space of described hollow shaft 430; Described hollow shaft 430 is supported by described two bearings 46, and described two bearings 46 also serve the effect that the described hollow shaft 430 of restriction moves radially;
Because above-mentioned ISG motor 4 have employed described hollow shaft 430, the length of described hollow shaft 430 is less than the vertical range between the lateral surface of described front end housing 44 and the lateral surface of described rear end cap 45, and described hollow shaft 430 is between the lateral surface and the lateral surface of described rear end cap 45 of described front end housing 44, ensure that ISG motor 4 meets minimum requirements of installation space like this.
Please refer to Fig. 4 and Fig. 5, further, described spacer member 47 is the dividing plate 473 be fixedly connected with described hollow shaft 430, and described dividing plate 473 is platy structures.The described change axle 481 that revolves is connected on described dividing plate 473.Described ball-cage constant velocity shaft coupling 49 is fixedly connected on the relative both sides of described dividing plate 473 respectively with described resolver 48, described first ring flange 4911 has the circumference 4913 exceeding corresponding described ball cage, described circumference 4913 is evenly equipped with some connecting holes 1012 on same circle, described dividing plate 473 offers some installing technological holes 471, and described some installing technological holes 471 are one to one with described some connecting holes 1012.
Described resolver 48 comprise be set in described in revolve and become revolving on axle 481 and become rotor 482, holding wire 401 and revolve set 484.The described change support 483 that revolves comprises circular bottom plate 4831 and revolves towards described the stator installation seat 4832 cylindrically becoming room 4302 and extend by the side of described circular bottom plate 4831, revolve described in the described inner coaxial revolving set 484 is placed on and become outside rotor 482, described outside of revolving set 484 is flush-mounted on described stator installation seat 4832, and described holding wire 401 becomes on support 483 through revolving to become support 483 and be fixed on to revolve.Rotor 42 corner of ISG motor 4 becomes the signal of telecommunication of a certain functional relation to output to other control systems by described holding wire 401.
Particularly, in the form of a ring, the inner side of described stator installation seat 4832 offers caulking groove 4833 to described stator installation seat 4832, described in revolve set 484 outside be embedded in described caulking groove 4833.
The center line of the distribution circle of described installing technological hole 471 and described hollow shaft 430 center line are on the same line, the external diameter becoming rotor 482 is revolved described in the distribution diameter of a circle of described installing technological hole 471 is greater than, so, follow-up by ISG motor 4 by when engine disassembles, only need disassemble revolving change support 483, then the fixture (not shown) be installed on connecting hole 1012 can be disassembled by installing technological hole 471, reach the object of ISG motor 4 and engine stripping being got off.Simultaneously, when ISG motor 4 is installed on engine, fixture can be installed on connecting hole 1012 by installing technological hole 471, and then installation is revolved set 484 and revolves change support 483, thus, the existence of installing technological hole 471 makes the installation of engine and ISG motor 4 become simple.
Described resolver 48 is a kind of elements becoming to become with it the signal of telecommunication of a certain functional relation by rotor 42 angle conversion, is the precise hard_drawn tuhes electrical micro-machine in automatic control system.
Described revolving becomes axle 481 and described spacer member 47 into be fixedly connected with or one-body molded, and in the present embodiment, employing is fixedly connected with.
The bearing pedestal 452 that described rear end cap 45 has a base plate 451 and extended to described ISG motor 4 inside by the side of described base plate 451, a wherein bearing 46 in described two bearings 46 is arranged on described bearing pedestal 452, the described described circular bottom plate 4831 becoming support 483 of revolving is mechanically connected with the described base plate 451 of described rear end cap 45, described mechanical connection is that seam is located by connecting, described seam be located by connecting make described in revolve set 484 and revolve that to become rotor 482 position concentric corresponding with described, described revolve to become support 483 and revolve set 484 can be used as an entirety and disassemble from ISG motor 4, such easy disassembly, disassembly and assembly time can be saved, save labour, improve dismounting efficiency.
Described front end housing 44 is equally also provided with the bearing pedestal for installing bearing 46, bearing pedestal 452 same structure of this bearing pedestal and rear end cap 45, repeats in a little not adding.
Described revolve become axle 481 be multidiameter, described revolving becomes axle 481 and has first paragraph 485 and the diameter second segment 486 larger than the diameter of described first paragraph 485, described second segment 486 is connected in described spacer member 47, the described change rotor 482 that revolves is set on described first paragraph 485, forms the block face 487 revolving set 484 described in locating between described first paragraph 485 and described second segment 486.Described multidiameter becomes to described revolving the effect that rotor 482 plays axial location.In the present embodiment, described ISG motor 4 can be permanent magnetism ISG motor, asynchronous ISG motor or magnetic resistance ISG motor.
Please refer to Fig. 4 and Fig. 5, described ISG motor 4 also comprises the motor lead-out wire locker 402 of the end face outer part being arranged at described rear end cap 45.
Refer to Fig. 3, the described mixed power automobile driving system that first embodiment of the invention provides comprises engine 1, drive motors 3, the clutch 2 be connected with the power shaft of described drive motors 3, the power transmission shaft 11 be connected with the output shaft of described drive motors 3, the drive axle 5 be connected with described power transmission shaft 11 and control assembly 10.
Described mixed power automobile driving system also comprises above-mentioned ISG motor 4, described clutch 2 and described ISG motor 4 are connected to the opposite end of described engine 1, described engine 1, described clutch 2 and described drive motors 3 successively coaxial one are installed, and described ISG motor 4 is axially independently installed on the front of described engine 1 along engine 1.The power transfer path of described hybrid electric drive system is: engine 1-clutch 2-drive motors 3-power transmission shaft 11-drive axle 5;
Owing to have employed the connection technique of the built-in described ball-cage constant velocity shaft coupling 49 of described hollow shaft 430, utilize described ball cage shaft coupling radial direction, angle and nose balance characteristic, when making the bent axle constant speed direct connection of described hollow shaft 430 and described engine 1, axiality requires to reduce, described ISG motor 4 and described engine 1 can independently on same mounting bracket be installed, and make front end in prior art also can arrange described ISG motor 4 by the constant speed shaft coupling mode of ball-cage constant velocity shaft coupling 49 without the front end of the conventional engine 1 of adpting flange.
Please refer to Fig. 4 to Fig. 6, further, the side of described engine 1 is provided with crank pulley 101, described crank pulley 101 offers concave station 1011 near the side of described ISG motor 4, described first ring flange 4911 is placed in described concave station 1011, and the distance between the side offering described concave station 1011 of described crank pulley 101 and the lateral surface of described front end housing 44 can be less than or equal to 5mm.
Described concave station 1011 has connecting hole 1012, described concave station 1011 is rigidly connected with described first ring flange 4911, with bolts in the present embodiment, like this when dismounting ISG motor 4, must first revolving of described resolver 48 be become support 483 and revolve set 484 and unload, need by special instrument again, the installing technological hole 471 through spacer member 47 loads and unloads, and is backed out by the bolt being hidden in described concave station 1011 inside;
Because described first ring flange 4911 of described hollow shaft 430 by described ball-cage constant velocity shaft coupling 49 is rigidly connected with the described concave station 1011 of described crank pulley 101, realize rigidity direct connection, such disc type ISG motor 4 can prepositionly easily be installed on conventional vehicle, what realize engine 1 opens/stops control, and can upgrade to conventional vehicle electric power system, replace conventional generator, improve generating efficiency and power, meet conventional vehicle energy-conservation because carrying out, reduce discharging and need to carry out, as electric air-conditioning system, electronic heat management system, eddy current retarders etc. are energy-conservation, the application of safe practice and the demand produced electric power, simplify engine room to arrange, improve reliability and attended operation convenience, realize the target of conventional vehicle oil-saving discharging-reducing.
Further, described control assembly 10 comprises the ISG electric machine controller 6 be electrically connected with described ISG motor 4 by holding wire 401, the drive motor controller 7 be connected with described drive motors 3 by cable, the accumulator 8, the clutch operating actuator 9 be located at outside described drive motors 3 that are connected with described ISG electric machine controller 6 and described drive motor controller 7 respectively by cable.
Described holding wire 401 is signal transmission bridges of described resolver 48 and ISG electric machine controller 6; Drive motor controller 7 realizes the control to the startup of drive motors 3, stopping, rotating forward, reversion and regenerative electric power etc.; Accumulator 8, it reclaims electric energy for hybrid power electric drive system provides energy and stores; Clutch operating actuator 9 realizes combining clutch 2 and separating the control of action, and according to the running status of automobile, engine 1 and the drive motors 3 of hybrid power system realize power coupling by clutch 2.
Compared with the hybrid electric drive system (system shown in Fig. 1) ISG motor 4 is coaxially installed on after engine 1, because described hybrid electric drive system has described ISG motor 4, and described ISG motor 4 is connected and the coaxial front being independently installed on engine 1 by described ball-cage constant velocity shaft coupling 49 with described engine 1, such ISG motor 4 and engine 1, clutch 2, drive motors 3 is not integral, engine 1 and drive motors 3 operate the moment of torsion produced can't by described ISG motor 4 housing conduction, so lower to the housing requirement of mechanical strength of described ISG motor 4, as long as meet the requirement of mechanical strength of self running, therefore ISG motor 4 housing is thinner, ISG motor 4 weight is little, and drive system does not need to increase a set of flywheel and flywheel shell to install clutch 2 again, clutch 2 is installed on the flywheel that engine 1 carries, for output gross power be the hybrid electric drive system of about 220KW, the weight of described hybrid electric drive system will reduce more than 200kg, and flywheel and flywheel shell are removed, at least can save 300mm axial length, so further reduction drive system overall weight and axial length dimension, therefore described hybrid electric drive system can device on the shorter 10 meters of buses of rear overhang, the vehicle be suitable for is wider,
As compared to the hybrid electric drive system (system shown in Fig. 2) that BSG motor is arranged with engine 1 biaxial parallel, described hybrid electric drive system does not need to increase belt drive unit, do not produce that the Belt Transmission Efficiency brought by belt drive unit is low, generated output is low, load factor is low, belt easily loosen damage and high engine speeds running time BSG motor to carry air-cooled fan consume additional power, oil consumption high and carry belt tensioning mechanism and make the problem of driving system structure complexity;
Please refer to Fig. 2 and Fig. 7, in the prior art, in system particularly shown in Fig. 2, the crank pulley 101 of the front end of engine is connected with belt pulley 102, belt pulley 102 installs belt, belt pulley 102 itself can take certain axial space, in the present invention, because described ISG motor 4 is designed to disc type ISG motor 4, the axial dimension being installed on the belt pulley 102 of engine 1 front end shown in its axial dimension and Fig. 7 is suitable, thus, above-mentioned hybrid electric drive system performance is better than the series parallel type drive system shown in Fig. 2, overall axial dimension is less than the series parallel type drive system shown in Fig. 1.
Please refer to Fig. 8 and Fig. 9, the mixed power automobile driving system that second embodiment of the invention provides is roughly the same with the mixed power automobile driving system that the first embodiment provides, its difference is the difference of ISG motor, particularly, in a second embodiment, utilize the dividing plate 473 that a tension device 470 comes in alternative first embodiment, more specifically, described spacer member 47 is a tension device 470, described tension device 470 comprises tensioner outer ring 475, being incorporated into the tensioner inner ring 474 in described tensioner outer ring 475 and being locked by described tensioner inner ring 474 in described tensioner outer ring 475 makes described tensioner outer ring 475 be close to the locking part 476 of the inner surface of described hollow shaft 430 with tensioner outer ring 475 described in spreading, described tensioner outer ring 475 is provided with the structure of the connection ball cage 4921 identical with aforementioned barriers 47, and offer through hole 477, the described ball cage 491 being positioned at the first end 4921 of described ball cage axle 492 passes described tensioner inner ring 474 and is installed on described tensioner outer ring 475, the described change axle 481 that revolves is connected in this through hole 477, described revolving becomes the rotation of axle 481 and the rotation axis coincident of described rotating shaft 43.
In a second embodiment, the dividing plate 473 be fixed in hollow shaft 430 is replaced with tension device 470, realize the detachable function of spacer member 47, when locking part 476 is locked on tensioner inner ring 474, the inner surface of hollow shaft 430 can be close in tensioner outer ring 475, realizes the connection of tension device 470 and hollow shaft 430, when locking part 476 unscrews, the tension force of tensioner outer ring 475 is removed, and tensioner outer ring 475 can be removed by hollow shaft 430.
For the first embodiment, because dividing plate 473 is fixedly connected in hollow shaft 430, when the ball-cage constant velocity shaft coupling 49 as wearing detail damages, ISG motor must be unloaded, then ball-cage constant velocity shaft coupling 49 is removed by the side of the close engine of ISG motor, after more finishing changing, be loaded on ISG motor, installation and removal process comparatively bothers and time-consuming, and for the second embodiment, when ball-cage constant velocity shaft coupling 49 damages, first can remove revolving of being connected with described rear end cap 45 to become support 483 and revolve and become rotor 482, revolve and become axle 481 and tension device 470, then instrument is used to be removed by connector (such as bolt) between the first ring flange 4911 and the crank pulley 101 of engine, then the ball-cage constant velocity shaft coupling 49 gone bad is changed, change complete, again by tension device 470, revolve and become axle 481, resolver 48 and revolve become support 483 install, realize changing wearing detail-ball-cage constant velocity shaft coupling 49 fast and easily.
Please refer to Figure 10 and Figure 11, no matter in the first embodiment or the second embodiment, described mixed power automobile driving system also comprises the water-cooling system being connected to described engine 1, this water-cooling system comprises the upper hose 100 and downcomer 103 that are connected to engine 1, the runner 104 flow through for fluid is offered in described casing 40, described runner 104 was around described casing 40 1 weeks, the top of described casing 40 is provided with interface 105, the bottom of described casing 40 is provided with lower interface 106, described upper interface 105 and described lower interface 106 are positioned at the vertical direction of the installation site of described casing 40 with the junction of described runner 104, described upper hose 100 is communicated in the upper interface 105 of described casing 40, described downcomer 103 is communicated in the lower interface 106 of described casing 40, described upper hose 100 is connected with a cooling water tank 107.
The casing 40 of ISG motor 4 of the present invention is connected to the water-cooling system of engine 1, is connected in the runner 104 of casing 40 by upper hose 100 and downcomer 103, in cooling procedure, and the liquid that temperature is higher
Flow in cooling water tank 107, under the heat radiation of cooling water tank 107, the liquid that temperature is higher
Become the liquid that temperature is lower, then the liquid that temperature is lower enters in runner 104 by the upper interface on the top of casing 40, and in runner 104, be divided into left and right two-way to import lower interface place, and then flow back in engine 1 by downcomer 103, again engine 1 is cooled, achieve the cooling of two parts of engine 1 and ISG motor 4.Because described upper interface 105 and described lower interface 106 are positioned at the vertical direction of the installation site of described casing 40 with the junction of described runner 104, after fluid flow to runner 104 by upper interface 105, be divided into two-way to flow to lower interface 106, fluid can be dispelled the heat equably in ISG motor 4.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an ISG motor, it comprises casing, be installed on the stator in described casing, be installed on the rotor in described stator, to be arranged in described rotor and the rotating shaft together rotated with described rotor, the front end housing of two bearings being sheathed on the ends of described rotating shaft and the rear and front end being installed on described casing respectively and rear end cap, it is characterized in that: described ISG motor is disc type electric machine, described rotating shaft is hollow shaft, described ISG motor also comprises the spacer member being connected to and arranging in described hollow shaft and perpendicular to the axis of described hollow shaft, space in described hollow shaft is separated balling-up cage room and is revolved change room by described spacer member, described ISG motor also comprises being arranged at the indoor and ball-cage constant velocity shaft coupling rotated with described rotating shaft coaxle of described ball cage and revolving described in being arranged at and becomes indoor and the resolver rotated with described rotating shaft coaxle, described ball-cage constant velocity shaft coupling and described resolver are connected to the relative both sides of described spacer member, described ISG motor comprise to be connected with described spacer member and revolve described in stretching into become indoor revolving become axle and be connected with described rear end cap revolve change support, revolve described in described resolver is connected to and become on support, described ball-cage constant velocity shaft coupling comprises two ball cages and ball cage axle, described ball cage axle has first end and second end relative with described first end, described two ball cages are fixedly installed on first end and second end of described ball cage axle respectively, the described ball cage being positioned at the first end of described ball cage axle is connected with described spacer member, the arranged outside being positioned at the described ball cage of the second end of described ball cage axle has the first ring flange for being connected with engine crankshaft.
2. ISG motor as claimed in claim 1, it is characterized in that, the length of described hollow shaft is less than the vertical range between the lateral surface of described front end housing and the lateral surface of described rear end cap, and described hollow shaft is between the lateral surface and the lateral surface of described rear end cap of described front end housing.
3. ISG motor as claimed in claim 1, it is characterized in that, described spacer member is the dividing plate be fixedly connected with described hollow shaft, the described change axle that revolves is connected on described dividing plate, described first ring flange has the circumference exceeding corresponding described ball cage, described circumference is evenly equipped with some connecting holes on same circle, and described dividing plate offers some installing technological holes, and described some installing technological holes and described some connecting holes are one to one.
4. ISG motor as claimed in claim 1, it is characterized in that, described spacer member is a tension device, described tension device comprises tensioner outer ring, being incorporated into the tensioner inner ring in described tensioner outer ring and being locked in described tensioner outer ring by described tensioner inner ring makes described tensioner outer ring be close to the locking part of the inner surface of described hollow shaft with tensioner outer ring described in spreading, described tensioner outer ring offers through hole, the described ball cage being positioned at the first end of described ball cage axle is installed on described tensioner outer ring through described tensioner inner ring, the described change axle that revolves is connected in this through hole, described revolving becomes the rotation of axle and the rotation axis coincident of described rotating shaft.
5. the ISG motor as described in any one of claim 1-4, it is characterized in that, described resolver comprise be set in described in revolve and become revolving on axle and become rotor, holding wire and revolve set, the described change support that revolves comprises circular bottom plate and revolves towards described the stator installation seat becoming room and extend by the side of described circular bottom plate, the inner coaxial of described stator is placed on outside described rotor, the outside of described stator is flush-mounted on described stator installation seat, revolves to become support and revolve described in being fixed on to become on support described in described holding wire passes.
6. ISG motor as claimed in claim 5, it is characterized in that, described revolve become axle be multidiameter, described revolving becomes axle and has first paragraph and the diameter second segment larger than the diameter of described first paragraph, described second segment is connected in described spacer member, the described change rotor that revolves is set on described first paragraph, and form the block face revolving set described in locating between described first paragraph and described second segment, described ISG motor is magneto, asynchronous machine or reluctance motor.
7. a mixed power automobile driving system, it comprises engine, drive motors, the clutch be connected with the power shaft of described drive motors, the power transmission shaft be connected with the output shaft of described drive motors, the drive axle be connected with described power transmission shaft and control assembly, it is characterized in that: also comprise the ISG motor as described in any one of claim 1-6, described clutch and described ISG motor are connected to the opposite end of described engine, described engine, described clutch and described drive motors successively coaxial one are installed, described ISG motor is along described engine shaft to the front being independently installed on described engine.
8. mixed power automobile driving system as claimed in claim 7, it is characterized in that, the side of described engine is provided with crank pulley, described crank pulley offers concave station near the side of described ISG motor, described first ring flange is placed in described concave station, and the distance between the side end face offering described concave station of described crank pulley and the lateral surface of described front end housing is less than or equal to 5mm.
9. mixed power automobile driving system as claimed in claim 7, it is characterized in that, described control assembly comprises the ISG electric machine controller be electrically connected with described ISG motor by holding wire, the drive motor controller be connected with described drive motors by cable, the accumulator, the clutch operating actuator be located at outside described drive motors that are connected with described ISG electric machine controller and described drive motor controller respectively by cable.
10. mixed power automobile driving system as claimed in claim 7, it is characterized in that, described mixed power automobile driving system also comprises the upper hose and downcomer that are connected to described engine, the runner flow through for fluid is offered in described casing, described runner was around described casing one week, the top of described casing is provided with interface, the bottom of described casing is provided with lower interface, the junction of described upper interface and described lower interface and described runner is positioned at the vertical direction of the installation site of described casing, described upper hose is communicated in the upper interface of described casing, described downcomer is communicated in the lower interface of described casing, described upper hose is connected with a cooling water tank.
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| CN201310634709.2A CN104682617B (en) | 2013-12-02 | 2013-12-02 | ISG motors and the hybrid electric drive system with the ISG motors |
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| CN201310634709.2A CN104682617B (en) | 2013-12-02 | 2013-12-02 | ISG motors and the hybrid electric drive system with the ISG motors |
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| CN106849519A (en) * | 2017-03-30 | 2017-06-13 | 湘潭电机股份有限公司 | A kind of mounting structure of rotary transformer |
| CN107370300A (en) * | 2016-05-13 | 2017-11-21 | 中车株洲电力机车研究所有限公司 | A kind of rotary transformer of permanent magnet motor erecting device |
| CN107399229A (en) * | 2016-03-24 | 2017-11-28 | 舍弗勒技术股份两合公司 | The hybrid drive and assembly method of support with assembling optimization |
| CN107444392A (en) * | 2017-07-31 | 2017-12-08 | 安徽安凯汽车股份有限公司 | A kind of series-parallel hybrid electric system and its control method based on ATM |
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| CN107979229A (en) * | 2017-12-28 | 2018-05-01 | 广西玉柴机器股份有限公司 | A kind of fly wheel generator structure |
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| CN112671124A (en) * | 2020-12-26 | 2021-04-16 | 山东双华易驱智能制造研究院有限公司 | Motor inner stator and motor |
| CN112671124B (en) * | 2020-12-26 | 2023-01-13 | 山东双华易驱智能制造研究院有限公司 | Motor inner stator and motor |
| CN113315312A (en) * | 2021-07-19 | 2021-08-27 | 江铃汽车股份有限公司 | Commercial vehicle power generation device based on BSG motor and control method thereof |
| CN113315312B (en) * | 2021-07-19 | 2021-10-26 | 江铃汽车股份有限公司 | Commercial vehicle power generation device based on BSG motor and control method thereof |
| CN113696873A (en) * | 2021-08-01 | 2021-11-26 | 北京工业大学 | Power end slowly starts all-in-one |
| CN113696873B (en) * | 2021-08-01 | 2022-06-21 | 北京工业大学 | Power end slowly starts all-in-one |
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