• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A propulsion system for use in automotive vehicles wherein the flywheel is connectable with the crankshaft of the internal combustion engine by a first clutch and with the input shaft of the change-speed transmission by a second clutch. When the engine would be idling (such as during stoppage of the vehicle at an intersection) or running unnecessarily for another reason (such as during coasting of the vehicle), the two clutches are disengaged and the flywheel rotates by inertia to restart the engine, when necessary, in response to engagement of the first clutch. If the RPM of the flywheel reaches a preselected lower threshold value, a starter-generator unit automatically accelerates the flywheel so that its RPM rises above the threshold value and is thus sufficient to ensure that the engine is restarted on engagement of the first clutch. The starter-generator unit has a rotor which is mounted directly on the flywheel and a stator which surrounds the rotor with minimal clearance and is connected directly to the housing of the engine. The generator of the starter-generator unit is a heteropolar Schmidt-Lorenz generator.
    公开号:SU1331436A3
    申请号:SU813366255
    申请日:1981-12-23
    公开日:1987-08-15
    发明作者:Маухер Пауль；Фридманн Освальд；Зоннтаг Зигфрид
    申请人:Лук Ламеллен Унд Купплюнгсбау Гмбх (Фирма)；
    IPC主号:
    专利说明:

    7.Block drive on PP. 1-6, in that the starter-generator is made in the form of a heteropolar electric machine according to the Schmidt-Lorentz principle, switched from the motor mode to the generator one.
    8. The drive unit according to claim 7, characterized in that the stato of the starter-generator has windings and several groups of working windings, the latter are located around the circumference, separated from each other and placed between the windings of the excitation.
    9. The drive unit according to claim 8, characterized in that the rotor is provided with teeth, and in the stator package there are grooves separated by bridges, the pitch of which is equal to the rotor teeth pitch, and working windings are installed in the grooves, and the jumpers of each group of working windings are offset by a given part of the schaga in relation to the rotor teeth, such that, if the bridges overlap one group of rotor teeth, the jumpers of at least one other group of working windings are behind the rotor teeth in the direction of rotation.
    10.Block drive PP. 7-9, which is characterized by the fact that the excitation windings and the operating windings
    one
    This invention relates to starting devices for automobile internal combustion engines, in particular to drive units with an internal combustion engine and a starter-generator for automobiles.
    FIG. 1 schematically shows a drive unit in connection with driving wheels of a car; in fig. 2 is a part of a drive unit mounted between an internal combustion engine and a gearbox in FIG. 3- starter-generator, made in
    33
    1436
    located (th circle asymmetrically to the stator.
    11.Block drive on PP. 7-10, characterized in that it contains sensitive elements and a control unit located around the stator circumference from each other for carrying out loading and adjusting the corresponding working stator windings by applying impulses from the sensitive elements to the control unit taking into account the rotor position.
    12. The drive unit of claim 11 is about the fact that the starter-generator is made in the form of a myogas electric machine, and the number of sensitive elements is equal to the number of phases of the machine.
    13.Block drive PP. 11 and 12, characterized in that the sensing elements are in the form of inductive sensors.
    14.Block drive PP. 11-12, characterized in that the sensing elements are made in the form of Hall probes.
    15.Block drive on PP. 11 and 12, characterized in that chups1) The integral elements are made in the form of Wigond sensors.
    16. The drive unit on PP. 7-15, characterized in that
    it contains a current transducer switchable from rectifier to inverter.
    the form of a heteropolar machine of the Schmidt-Lorentz type; in fig. 4 — drive unit in conjunction with driving wheels of a vehicle, in version.
    The drive unit (Fig. 1) contains the engine 1 Blutter combustion with a flywheel 2 having a connection with the drive shaft 3 of the engine 1 s. using the first clutch 4, and the starter-generator b, the rotor 6 of which is fixed on the flywheel 2. The stator 7 is the starter-generator of 5 tons; it is made in the form of a package of 8 plastic with windings
    and connected to the housing 9 of the engine 1. The drive unit also contains a box
    10 transmissions installed on the output side of the drive shaft 3. The rotor 6 (FIG. 3) of the starter-generator 5 is made without winding and provided with teeth
    11 and pits 12, and the stator 7 with its bag 8 is flanged to the housing 9 (FIG. 2) of the engine 1 and placed concentrically with the flywheel 2 with the formation of a constant air gap within the small tolerances of the rotor 6, the connection and separation of the gear box 10 with the engine is made using the second clutch 13. The flywheel 2 with the first clutch A and the starter-generator 5 are located on the side of the engine 1
    from the box side 10 gears. The package 8 of the stator 7 is located between the mounting surface 14 of the housing 9 of the engine 1 and the glass 15 of the housing 9, while the glass 15 partially covers the flywheel 2. The package 8 of the stator 7 is centered relative to the rotor 6 by means of spacer sleeves 16 (pins can be used instead of spacer sleeves). A part of the flywheel 2 on the side of the housing 9 of the engine 1 forms an axially stationary pressure plate 17 of the first clutch 4 with an annular flange 18. The flywheel 2 is equipped with a bearing installation disk 19, and the rotor 6 is placed between the disk 19 and the flange 18 of the plate 17 and covers plate 1 concentrically 7
    All electric machines with a winding-free rotor can be used as a starter-generator, but it is most expedient to use a heteropolar electric machine operating on the Schmidt-Lorentz principle (see Fig. 3).
    The package 8 of the stator 7 of this machine has a gap 20 around the circumference and is provided with through holes 21 for installing spacer sleeves 16 and mounting bolts 22. The package 8 of the stator 7 has grooves 23 separated by bridges 24, and it is equipped with groups 25, 26 and 27 working windings. Each group of windings consists of the corresponding working windings 28, 29 and 30. Groups 25, 26 and 27 of the working windings are arranged in a circle.
    0
    0
    five
    0
    0
    five
    between the respective field windings 31 and 32, 33 and 34 and 35 and 36, and are separated from each other. The groove pitch 23 of the stator 7 is equal to the pitch of the teeth 11 of the rotor 6.
    The jumpers of the individual groups 25, 26 and 27 of the working windings 28, 29 and 30, respectively, are shifted to a predetermined part of the step with respect to the teeth 11 of the rotor 6 in such a way that in at least one group of working windings the teeth 11 of the rotor are in front of the jumpers 24. This This is ensured by the fact that the excitation windings 31 and 32, 33 and 34, 35 and 36 and the working windings 28, 29 and 30 are circumferentially asymmetrical to the stator 7. The electric machine is made multi-phase (in the example of performance, three-phase). The winding groups 25, 26 and 27 are for angular sectors 120, however, are offset in the circumferential direction inside
    5 of these segment areas so that the free winding space between groups 25 and 26 is less than the free space between groups 27 and 28, and the latter is less than the free space between groups 28 and 26. Each working winding is loaded through the corresponding terminals 37 and 38 , 39 and 40, and 41 and 42, and each field winding through the corresponding terminals 43 and 44 of the control device 45. The drive unit contains sensing elements 46-48 located along the stator circumference from each other by the number of phases yot sootv The current position of the rotor 6 is due to the pulses transmitted to the control unit 45. Sensitive elements can be implemented in the form of inductive sensors, either in the form of Hall probes, or in the form of Vigond sensors, or in the form of other types of sensors. Additionally, the drive unit includes a sensor 49 for measuring the rotor speed 6, a sensor 50 for measuring the engine speed 1, and sensors 51 and 52 for determining the mode of operation of the wheels of the car. The signals from the sensors 49-52 are supplied to the control device 53, which also receives a signal from the switch 54 connected to the gas pedal 55 and from the device 56 supplying fuel. Up
    Equalizing unit 53 also includes servos 57 and 58 for clutch control. The control device comprises a switch 59.
    According to an embodiment of the drive unit (Fig. 4), the flywheel 2 is connected to the drive shaft 3 of the engine using the first clutch A, which is located on the side remote from the drive shaft 3 of the engine 1 from the side of the gearbox 10. On the flywheel 2, the rotor 6 of the starter-generator 5 is fixed, the stator 7 of which is fixed to the casing 9 of the engine 1. The gearbox 10 is connected to and disconnected from the engine 1 using the second clutch 13 In the rest, the drive unit is arranged similarly to the described above.
    The drive unit operates as follows.
    If the initial start of the engine 1 of the car is made, the first 4 and second 13 clutches must be disengaged. This is accomplished by servos 57 and 58, which are set up through control device 53 by switch 59. After both clutches are turned off, control device 53 is turned on starter-generator 5, operating in starter mode and bringing its rotor to a predetermined rotational speed, which communicates via sensor 49 to control device 53. The latter connects a flywheel 2 rotating at a predetermined frequency through a first clutch 4 to a drive shaft 3 of engine 1. Once engine 1 starts up, starter-generator 5 through sensor 49 and servo Unit 58 is converted to generator mode. Under normal driving conditions, when the engine 1 drives the car, the second clutch 13 of the 10-gear box is closed. When switching from one stage in a gearbox of 10 gears to another, the clutch is actuated by servo 58. When operating conditions occur, during which engine 1 does not drive a vehicle in motion, in particular when coasting and released gas pedals 55, switch 54 comes to a closed state. The control unit 53 receives a signal deactivating the second clutch 13 of the 10-gear box and gearbox.
    five
    About 5

    five
    0
    A new clutch 4, in which a sensor 51 characterizing the driving mode is used for driving wheels of a car, state parameters are entered into the control device 53 and are jointly processed.
    At the same time, the fuel supply to the engine through the device 56 is interrupted and the clamping system is turned off. gani. Disengaged from the gearbox and engine, the flywheel rotates freely and the engine stops. The engine is restarted by the gas pedal 55, the switch 54 opens, and the control device 53 receives a signal. Control device 53 first turns on the ignition and opens the fuel supply, and then via ser-I device 58 turns on the first clutch 4. By connecting the flywheel 2 to the drive shaft 3 of the engine, the latter is started.
    During the phases of free rotation of the flywheel 2 there is no need to turn on the windings of the starter-generator. If during a long stop there is a danger of reducing the speed of the flywheel 2 to such an extent that the energy stored in the rotating mass is not enough to start the engine, it is necessary to switch the starter-generator to work in the engine mode, thereby maintaining the flywheel and the rotor of the electric machine rotating with a minimum frequency. This lower limit value of the rotational speed is recorded by the sensor 49. The signal from this sensor, through the control device 53, switches the starter-generator to the motor mode. Using the sensor 50, the rotational speed of the engine is measured and the signal of this engine is also sent to the control unit 53.
    Starter generator 5 is made in the form of switchable from generator to motor mode of operation of the electric machine. In such a machine, when operating in engine mode, the working windings 28-30 are loaded so that their torque is directed in the direction of rotation of the engine. The setting of the working winding, which creates, taking into account the corresponding position of the rotor, i.e. The rotor teeth, the maximum circumferential force, is realized by the control device 45 depending on the control pulses that are supplied to it from the sensing elements 46-48 located along the circumference of the stator 7.
    In the embodiment shown in FIG. In the 3 example of the electric machine, the rotor teeth 6 are congruent with each second jumper 24 of the working winding 28. In the area of the windings group 28, the rotor teeth 6 are at a small angular value before the position of the overlap with the jumpers of the stator 7, and in the group The windings 26 have an angular magnitude on which the rotor teeth in front of the stator jumpers in the area of the working winding 29 is approximately twice as large as the stator jumpers in the area of the working winding 30. If you accept the direct rotation of the rotor according to the arrow in FIG. 3, the rotor is started from the one shown in FIG. 3 positions, while the working winding 30 is loaded through the control device 45. Due to this magnetic flux loading, the rotor teeth occupy the overlap position with the corresponding jumpers of the stator packet. According to the created
    due to this, the rotation of the rotor is congruent with the jumpers 24 of the stator in the area of the working winding
    The rotor tooth emerges from this position. In the field of working winding
    29 a rotating force acting around the rotor circumference is created. The next loading occurs in the region of the group of windings 25. This process is repeated, with the sensitive elements 46-48 determining the corresponding rotational position of the rotor
    and the resulting control signals are converted in the control device 45 for loading the respective operating windings. In this way, the engine is started, with the help of the sensitive elements 46-48, which determines the working winding for the primary loading, in relation to which the rotor package teeth are in the most favorable position in relation to the achievement of maximum circumferential force. The application of the invention allows to significantly simplify the drive unit due to the fact that the same windings of the electric machine serve for its operation both in the engine mode and in the generator mode, which is ensured by switching them using the logic of the control elements.
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    Compiled by V. Chekmazov Editor L. Veselovska Tehred M. Khodanych
    Order 3595/58
    Circulation 503 Subscription
    VNIIPI USSR State Committee
    for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5
    Production and printing company, Uzhgorod, st. Project, 4
    Proofreader H, King
    权利要求:
    Claims (15)
    [1]
    1. DRIVE UNIT, FOR EXAMPLE, FOR A CAR 1 , comprising an internal combustion engine with a flywheel, which is configured to connect and disconnect by means of a first clutch with a drive shaft of the engine, a starter-generator, the rotor of which is fixed to the flywheel, and the stator is made in the form of a plate package with windings and connected to the engine, and a gearbox installed on the output side of the drive shaft of the engine, characterized in that, in order to simplify and reduce the cost of the device, a start-up rotor without start is located on the flywheel P-generator, and its stator its package is flanged to the motor housing and arranged concentrically with the flywheel so that it forms a constant within a small tolerance air gap relative to the rotor, wherein between the engine and the gearbox is arranged a second clutch for connecting and disconnecting the gearbox to the engine.
    [2]
    2. The drive unit according to claim 1, characterized in that the flywheel with the first clutch and the rotor of the starter-generator are located on the side remote from the drive shaft of the engine from the side of the gearbox.
    [3]
    3. Drive unit according to π. 1 or 2, characterized in that it is equipped with a casing made in the form of a glass, which at least partially covers the flywheel, while the stator package of the starter-generator is located between the engine housing and the glass.
    [4]
    4. The drive unit according to paragraphs. 1-3, characterized in that the stator package is centered relative to the rotor using spacer sleeves or pins located in the openings of the motor housing and the stator package.
    [5]
    5 .. Drive unit 1-4, characterized in that the flywheel is made in the form of several parts, of which one part forms an axially fixed pressure plate of the first clutch, and the other a carrier disk made in the form of a support for the flywheel, while the rotor of the starter generator is made in in the form of a package of plates and concentrically covers the pressure plate.
    [6]
    6. The drive unit according to p. S, characterized in that the pressure plate is provided with an annular end plate, and the package of rotor plates is fixed between the bearing disk and the connecting flange n.'iac, niiiij.
    [7]
    7. The drive unit according to paragraphs. 1-6, with the fact that the starter-generator is made in the form of a heteropolar electric machine according to the Schmidt-Lorentz principle, switched from the motor mode to the generator one.
    [8]
    8. The drive unit according to claim 7, characterized in that the stator of the starter-generator has excitation windings and several groups of working windings, the latter are located on a circle, separated from each other and placed between the excitation windings.
    [9]
    9. The drive unit according to claim 8, characterized in that the rotor is provided with teeth, and grooves are made in the stator package, separated by jumpers, the step of which is equal to the pitch of the rotor teeth, and the working windings are installed in the grooves, and the jumpers of each group of working windings are offset part of the step with respect to the teeth of the rotor so that when the overlap of the teeth of one group of teeth of the rotor is equal, the jumpers of at least one other group of working windings are behind the teeth of the rotor in the direction of rotation.
    Ί0. Drive unit 7-9, characterized in that the field windings and the working windings are arranged circumferentially asymmetrically to the stator.
    [10]
    11. The drive unit according to paragraphs. 7-10, characterized in that it contains sensing elements located around the stator circumference at a distance from each other and a control unit for loading and adjusting the corresponding working stator windings by applying pulses from the sensing elements to the control unit taking into account the position of the rotor.
    [11]
    12. The drive unit according to claim 11, characterized in that the starter-generator is made in the form of a multiphase electric machine, and the number of sensitive elements is chosen equal to the number of phases of the machine.
    [12]
    13. The drive unit according to paragraphs. 11 and 12, characterized in that the sensitive elements are made in the form of inductive sensors.
    [13]
    14. The drive unit according to paragraphs. 11-12, characterized in that the sensitive elements are made in the form of Hall probes.
    [14]
    15. The drive unit according to paragraphs. 11 and 12, characterized in that the sensitive elements are made in the form of Vigond sensors.
    [15]
    16. The drive unit according to paragraphs. 7-15, characterized in that it comprises a current converter switched from a rectifier to an inverter.
    类似技术:
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    同族专利:
    公开号 | 公开日
    GB2089896B|1985-07-17|
    US4458156A|1984-07-03|
    BR8108331A|1982-10-05|
    JPS57129257A|1982-08-11|
    DE3048972C2|1995-01-26|
    ES8305091A1|1983-03-16|
    DE3048972A1|1982-07-29|
    FR2496772B1|1986-01-03|
    JPH0231228B2|1990-07-12|
    ES508323A0|1983-03-16|
    FR2496772A1|1982-06-25|
    GB2089896A|1982-06-30|
    US4626696A|1986-12-02|
    ZA818824B|1982-11-24|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE3048972A|DE3048972C2|1980-12-24|1980-12-24|Drive unit|
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