CN205149525U - Motor of electric vehicle of integrated automatic speed changing owner's speed reduction and differential - Google Patents
Motor of electric vehicle of integrated automatic speed changing owner's speed reduction and differential Download PDFInfo
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- CN205149525U CN205149525U CN201520835752.XU CN201520835752U CN205149525U CN 205149525 U CN205149525 U CN 205149525U CN 201520835752 U CN201520835752 U CN 201520835752U CN 205149525 U CN205149525 U CN 205149525U
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Abstract
The utility model discloses a motor of electric vehicle of integrated automatic speed changing owner's speed reduction and differential includes actuating motor, the first planet deceleration system of group, the first hall rotational speed measurement system of group, clutch collar shift system, thrust motor group fender system, clutch collar position measurement system, the planet deceleration system of second group, the hall rotational speed measurement system of second group, differential mechanism. The utility model discloses each part is integrated as an organic whole, just presses the axle arrangement, and is small, realizes dialling through design thrust motor system and keeps off the function, has reduced group fender system volume, has also improved the reliability of shifting simultaneously, using a set of planet deceleration system and the cooperation of clutch collar shift system, realizing the switching of two grades of drive ratios, use the planet deceleration system of another group to provide fixed drive ratio, utilize planet deceleration system compact structure's characteristics, reduced to shift and the reduction gears volume, the semi -axis is coaxial with the motor output shaft about differential mechanism, has realized the axial output of power, and the drive arrangement's of being convenient for installation is arranged.
Description
Technical field
The utility model relates to a kind of electric automobile driving apparatus, particularly the electric automobile driving apparatus of the main deceleration of a kind of integrated automatic speed changing and differential.
Background technology
Speed torque characteristic due to driving motor of electric vehicle has wider speed regulation characteristics, therefore, and a shift transmission of battery-driven car many employings fixed speed ratio.But, in order to meet the designing requirement of vehicle acceleration upward slope performance and maximum speed, high requirement is proposed to drive motor and power brick.Adopt shift transmission motor efficiency when low speed of fixed speed ratio lower, the economy that during low speed, motor is in high torque (HT) for a long time, the mode of operation of big current reduces vehicle.Drive torque when two shift transmissions can improve automobile low speed also can widen the scope of the Automobile Maximum speed of a motor vehicle.Therefore, compared with fixed stop change-speed box two shift transmissions by making drive motor be operated in the ideal zone on efficiency chart to the control of transmission system thus improving dynamic property and the economy of vehicle.
By integrated to drive motor necessary for drive system of electric automobile, deceleration speed-changing mechanism and box of tricks, will weight and the volume of drive system be effectively reduced, improve the performance of battery-driven car.The mode that existing two-speed transmission uses hydraulic efficiency pressure system promotion gear changing mechanism or use rotating machine to add screw mandrel promotes gear changing mechanism.Use hydraulic efficiency pressure system to promote gear changing mechanism and need a set of hydraulic efficiency pressure system of extra increase, add volume and the cost of system.There is complex structure in the mode using rotating machine to add screw mandrel, and leading screw has the characteristic of reverse self-locking, when there is the heterodromous situation of gearshift, probably damages gearshift equally.The utility model patent uses the mode of thrust coil, is integrated in device, improves gearshift reliability by the device promoting gearshift, reduces volume.
Utility model content
For above-mentioned technical matters, the purpose of this utility model is to provide that a kind of mechanism is simple, volume is little, the electric automobile driving apparatus of integrated automatic shifting, main gearbox, diff function.
The utility model uses following technical scheme to realize:
The electric automobile driving apparatus of the main deceleration of a kind of integrated automatic speed changing and differential, comprise driving motor, first group of planetary reduction systems, first group of Hall speed measuring system, sliding hub shifting system, thrust motor dial gear system, sliding hub position measuring system, second group of planetary reduction systems, second group of Hall speed measuring system, diff
Described drive motor mainly comprises the drive motor output shaft of motor section shell, drive motor roller bearing end cap, drive motor stator coil, drive motor rotor, hollow, described drive motor stator coil is fixed on the inwall of motor section shell, and described drive motor output shaft connects drive motor rotor;
First group of planetary reduction systems comprises the first sun wheel, the first row star-wheel, the first external toothing and first planet wheel carrier, described first sun wheel and drive motor output shaft pass through spline joint, first external toothing is fixed on gear stage shell, described the first row star-wheel is arranged between the first external toothing and the first sun wheel, the centre hole of first planet tooth rest is connected with drive motor output shaft by bearing, and the high order end of first planet wheel carrier has key tooth simultaneously;
Sliding hub shifting system comprises the sliding hub with drive motor output shaft cylindrical bearing fit, key gear ring and tween drive spindle, the high order end of drive motor output shaft is by spline joint key gear ring, tween drive spindle is quill shaft, sliding hub is connected with free-sliding spline with the external cylindrical surface of tween drive spindle right-hand member, in the middle part of sliding hub, inner ring has the key tooth be meshed with key gear ring towards a left side, sliding hub right-hand member inner ring has the key tooth be meshed with first planet wheel carrier high order end towards the right side, also be separated by respectively between sliding hub and key gear ring and between first planet wheel carrier when being provided with gearshift for the second baulk ring of speed sync and the first baulk ring,
When sliding hub by described thrust motor dial gear system push key gear ring to time, after sliding hub and key gear ring speed sync, the key tooth on sliding hub is meshed with the key tooth on key gear ring, and then can to rotate with same speed at both and can direct transmitting torque.When sliding hub by thrust dial gear system push first planet tooth rest to time, after sliding hub and first planet tooth rest speed sync, key tooth on sliding hub is meshed with the key tooth on first planet gear, and then can rotate and energy directly transmitting torque with same speed at both;
Described thrust motor is dialled gear system and is comprised push-plate, the centre hole of described push-plate is arranged on the external cylindrical surface of sliding hub by bearing, and the bilateral symmetry of described push-plate is provided with when to be fixed on gear stage outer casing inner wall in order to be energized and promotes the electromagnetic thrust device that push-plate sway realizes gearshift;
When controller is judged to need gearshift, first controller stops powering to drive motor, drive motor output shaft is in idling conditions, and then controller dials gear system power supply to stating thrust motor, and thrust motor is dialled gear systems force sliding hub and is separated with the key tooth of current combination.After according to the data of position measuring system, controller judges that sliding hub is separated with current associative key tooth, the rotating speed that controller records according to first group of Hall speed measuring system and second group of Hall speed measuring system, control the rotating speed of drive motor, make the rotating speed of combined key tooth and sliding hub synchronous as early as possible, when after both speed sync, sliding hub, under the promotion of gear system dialled by thrust motor, completes gearshift.
Described second group of planetary reduction systems comprises the second sun wheel, second satellite gear, second external toothing and the second planetary wheel carrier, tween drive spindle external cylindrical surface left end is by spline joint second sun wheel, second external toothing is fixed on differential section outer casing inner wall, described second satellite gear is arranged between the second external toothing and the second sun wheel, the centre hole of the second planetary gear carrier is connected with right output shaft by bearing, both can relatively rotate, the external cylindrical surface of described second planetary wheel carrier high order end has spline tooth, second group of planetary reduction systems provides a fixing reduction ratio, play main reduction gear,
Described diff is positioned at differential section shell, comprises input end, left output shaft and right output shaft, and described input end drives with the second planetary wheel carrier and is connected, left output shaft and right output shaft respectively connecting electric automobile revolver and rightly to take turns;
Second group of Hall speed measuring system comprises secondary signal dish and the second magnetosensitive detector, described secondary signal dish is arranged on the external cylindrical surface of tween drive spindle, described second magnetosensitive detector is fixedly mounted on gear stage shell, for measuring the rotating speed of tween drive spindle, because tween drive spindle is identical with the rotating speed of sliding hub, so second group of Hall speed measuring system can record the rotating speed of sliding hub;
First group of Hall speed measuring system comprises the first signal panels and the first magnetosensitive detector, and the first signal panels are arranged on drive motor output shaft, and the first magnetosensitive detector is arranged on motor section shell, for measuring the rotating speed of drive motor output shaft;
Sliding hub position measuring system, for measuring the position of push-plate, is provided with fixed parts and the movable part of position transduser in comprising, described fixed parts is arranged on gear stage outer casing inner wall inside, and described movable part is connected with measurement push-plate.
Further, described sliding hub position measuring system comprises the first linear hall sensor, second linear hall sensor, position probing permanent magnet, position probing bar, third linear Hall element and position detecting device cover, position probing bar one end connects measures push-plate, the other end crosses position detecting device cover and can horizontally slip in position detecting device cover, position probing permanent magnet is fixed on position probing bar, first linear hall sensor, second linear hall sensor is relative with third linear Hall element to be fixed on position detecting device and to put, after position probing bar slides in position detecting device cover, corresponding change can be there is in the magnetic field at linear hall element place, the output voltage of linear hall element can change, controller can the size of measuring voltage, judge the position of test rod.
Further, described electromagnetic thrust device comprises the first flux sleeve be circular layout for axle center with the axle center of sliding hub, first group of permanent magnet, first group of thrust coil, second group of thrust coil, second group of permanent magnet and the second flux sleeve, first flux sleeve and the second flux sleeve are relatively fixed on gear stage outer casing inner wall, first group of permanent magnet and second group of permanent magnet are embedded in the first flux sleeve and the second flux sleeve respectively, magnetic field is produced in the air gap of the first flux sleeve and the second flux sleeve, first group of thrust coil and second group of thrust coil are movably housed in the air gap of flux sleeve and the second flux sleeve respectively, push-plate is between first group of thrust coil and second group of thrust coil, first group of thrust coil and second group of thrust coil move vertically and to be moved vertically by drive push-plate, push-plate then promotes sliding hub and to have moved vertically the switching of gear, after giving coil electricity, namely the thrust of an axis can be produced, and then drive driver plate motion, can change by the direction controlling thrust coil electrical current the direction that it produces thrust.
Further, described diff comprises the diff shell as input end, differential planetary gear axle, first differential planetary gear, left differential axle side gear, second differential planetary gear and right differential axle side gear, left differential axle side gear connects the left output shaft as left mouth, right differential axle side gear connects the right output shaft as right mouth, described second planetary wheel carrier is connected with diff shell by spline, differential planetary gear axle is arranged on diff shell rotationally, the described left output shaft other end is through the thrust baring endoporus on differential section shell, the described right output shaft other end is successively through the second planetary wheel carrier, tween drive spindle, thrust baring on the centre hole of drive motor output shaft and drive motor roller bearing end cap, the torque that second planetary gear carrier transmission comes is delivered to the left output shaft and right output shaft that connect wheel by diff respectively.
Further, antifriction-bearing box is provided with between the centre hole of described right output shaft and the second planetary wheel carrier, tween drive spindle, drive motor output shaft.
Further, described first magnetosensitive detector and the second magnetosensitive detector include the support being provided with rectangular recess, relatively be located at the permanent magnet of described rectangular recess medial surface, switching Hall components, the edge of described first signal panels and secondary signal dish is all embedded in the described rectangular recess of support, when the notch of signal panels turns between permanent magnet and switching Hall components, switching Hall components senses the magnetic field that permanent magnet sends, and then switching Hall components output LOW voltage, when the magnetic conduction entity of signal panels is between permanent magnet and switching Hall components, permeability magnetic material will weaken the magnetic field near switching Hall components, and then switching Hall components output HIGH voltage, when signal panels rotate continuously, switching Hall components alternately exports high-low voltage.
Further, described gear stage shell is also provided with the 3rd magnetosensitive detecting device responded to the edge magnetic of described secondary signal dish and coordinate, described 3rd magnetosensitive structure of the detecting device is identical with the second magnetosensitive detector, when described secondary signal dish goes to the position of a notch completely just to the second magnetosensitive detector, the position of described 3rd magnetosensitive detecting device and another notch of described secondary signal dish stagger 1/2nd of width of rebate; Described motor section shell is also provided with the 4th magnetosensitive detecting device responded to the edge magnetic of described first signal panels and coordinate, described 4th magnetosensitive detecting device is identical with the first magnetosensitive detector arrangement, when described first signal panels go to the position of a notch completely just to the first magnetosensitive detector, the position of described 4th magnetosensitive detecting device and another notch of described first signal panels stagger 1/2nd of width of rebate; According to the phase place sequencing of the voltage signal Changing Pattern that two adjacent magnetosensitive detecting devices detect, judge the direction that corresponding signal dish rotates.
The beneficial effects of the utility model are as follows:
The automatic shifting mechanism of the utility model design has the volume reducing automatic shifting device, improves the function of automatic shifting reliability.The each component integration of the utility model is integrated, and by axial arranged, volume is little, realizes dialling gear function, reduce and dial gear system bulk, also improve the reliability of gearshift simultaneously by design thrust electric system.In the utility model design, Hall speed measuring system and position measuring system can measure the position of motor output shaft, tween drive shaft rotating speed and sliding hub, these information are supplied to controller, controller can regulate the position of motor speed and sliding hub according to these three data, make shift process more smooth-going, shorten the variable block time.The utility model uses one group of planetary reduction systems to coordinate with sliding hub shifting system simultaneously, realizes the switching of two grades of transmitting ratios, uses another group planetary reduction systems to provide fixing transmitting ratio.Utilize the feature of planetary reduction systems compact conformation, reduce the volume of gearshift and speed reduction gearing.Diff left and right semiaxis is coaxial with motor output shaft, and the axis achieving power exports, and is convenient to the mounting arrangements of actuating device.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the position-measurement device schematic diagram of the utility model embodiment.
Fig. 3 is the first signal panels schematic front view of the utility model embodiment.
Fig. 4 is the magnetosensitive detector arrangement schematic diagram of the utility model embodiment.
Fig. 5 is the secondary signal dish schematic front view of the utility model embodiment.
Fig. 6 is the neutral state structure diagram of the utility model embodiment.
Fig. 7 is the Low gear state structure diagram of the utility model embodiment.
Fig. 8 is the high-grade status architecture sketch of the utility model embodiment.
Shown in figure be: 1-motor section shell; 2-first sun wheel; 3-the first row star-wheel; 4-first external toothing; 5-first planet wheel carrier; 6-gear stage shell; 7-first flux sleeve; 8-first group of permanent magnet; 9-first baulk ring; 10-first group of thrust coil; 11-sliding hub; 12-second baulk ring; 13-key gear ring; 14-push-plate; 15-second group of thrust coil; 16-second group of permanent magnet; 17-second flux sleeve; 18-second external toothing; 19-second satellite gear; 20-second planetary wheel carrier; 21-second sun wheel; 22-tween drive spindle; 23-differential section shell; 24-differential planetary gear axle; 25-diff shell; 26-first differential planetary gear; The left differential axle side gear of 27-; The left output shaft of 28-; 29-second differential planetary gear; The right differential axle side gear of 30-; The right output shaft of 31-; 32-secondary signal dish; 33-second magnetosensitive detector; 34-first linear hall sensor; 35-second linear hall sensor; 36-permanent magnet; 37-position probing bar; 38-third linear Hall element; 39-position detecting device cover; 40-first signal panels; 41-first magnetosensitive detector; 42-drive motor output shaft; 43-drive motor rotor; 44-drive motor stator coil; 45-drive motor roller bearing end cap; 46-the 4th magnetosensitive detecting device; 47-permanent magnet; 48-support; 49-switching Hall components; 50-the 3rd magnetosensitive detecting device.
Detailed description of the invention
Be described in further detail the purpose of this utility model below by specific embodiment, embodiment can not repeat one by one at this, but therefore embodiment of the present utility model is not defined in following examples.
Embodiment
As shown in Figure 1, the electric automobile driving apparatus of the main deceleration of a kind of integrated automatic speed changing and differential mainly comprises driving motor, first group of planetary reduction systems, first group of Hall speed measuring system, sliding hub shifting system, thrust motor dial gear system, sliding hub position measuring system, second group of planetary reduction systems, second group of Hall speed measuring system, diff.
Drive motor mainly comprises motor section shell 1, drive motor roller bearing end cap 45, drive motor stator coil 44, drive motor rotor 43, drive motor output shaft 42, drive motor stator coil 44 is fixed on motor section shell 1 inwall, described drive motor output shaft 42 connects drive motor rotor 43, drive motor stator coil 44 under the control of the controller, produce rotating field, drive drive motor rotor 43 and drive motor output shaft 42 to rotate, and then produce propulsive effort.
First group of planetary reduction systems mainly comprises the first sun wheel 2, the first row star-wheel 3, first external toothing 4 and first planet wheel carrier 5, first sun wheel 2 with drive motor output shaft 42 by spline joint, and the first external toothing 4 is fixed on gear stage shell 6; Described the first row star-wheel 3 is arranged between the first external toothing 4 and the first sun wheel 2, and the centre hole of first planet tooth rest 5 is connected with drive motor output shaft 42 by bearing, and the high order end of first planet wheel carrier 5 has key tooth.According to the characteristic of planetary reduction systems, the rotating speed of first planet wheel carrier 5 is by the rotating speed lower than drive motor output shaft 42.
Sliding hub shifting system comprises and the sliding hub 11 of drive motor output shaft 42 cylindrical bearing fit, key gear ring 13 and tween drive spindle 22, tween drive spindle 22 is quill shaft, the high order end of drive motor output shaft 42 is by spline joint key gear ring 13, sliding hub 11 is connected with free-sliding spline with tween drive spindle 22 external cylindrical surface right-hand member, so sliding hub 11 both to tween drive spindle 22 transmitting torque, also can do axial relative sliding with tween drive spindle 22 under the promotion of push-plate 14.In the middle part of sliding hub 11, inner ring has key tooth towards a left side, and sliding hub 11 right-hand member inner ring also has key tooth towards the right side; Sliding hub 11 and the second baulk ring 12 and the first baulk ring 9 of being separated by respectively between key gear ring 13 and first planet wheel carrier 5, when push-plate 14 pushes sliding hub 11 to key gear ring 13, due to the effect of baulk ring 12, after sliding hub 11 and key gear ring 13 speed sync, sliding hub 11 is combined with the key tooth of key gear ring 13, and then key gear ring 13 can transmit rotating speed and moment of torsion to sliding hub 11.When push-plate 14 pushes sliding hub 11 to first planet wheel carrier 5, due to the effect of baulk ring 9, after sliding hub 11 and first planet wheel carrier 5 speed sync, sliding hub 11 is combined with the key tooth of first planet wheel carrier 5, and then planetary wheel carrier 5 can transmit rotating speed and moment of torsion to sliding hub 11.
Described thrust motor is dialled gear system and is comprised push-plate 14, the centre hole of described push-plate 14 is arranged on by bearing on the external cylindrical surface of sliding hub 11, and the bilateral symmetry of described push-plate 14 is provided with when to be fixed on gear stage shell 6 inwall in order to be energized and promotes the electromagnetic thrust device that push-plate 14 sway realizes gearshift;
Specifically, described electromagnetic thrust device comprises the first flux sleeve 7 be circular layout for axle center with the axle center of sliding hub 11, first group of permanent magnet 8, first group of thrust coil 10, second group of thrust coil 15, second group of permanent magnet 16 and the second flux sleeve 17, first flux sleeve 7 and the second flux sleeve 17 are relatively fixed on gear stage shell 6 inwall, first group of permanent magnet 8 and second group of permanent magnet 16 are embedded in the first flux sleeve 7 and the second flux sleeve 17 respectively, magnetic field is produced in the air gap of the first flux sleeve 7 and the second flux sleeve 17, first group of thrust coil 10 and second group of thrust coil 15 are movably housed in the air gap of flux sleeve 7 and the second flux sleeve 17 respectively, push-plate 14 is between first group of thrust coil 10 and second group of thrust coil 15, first group of thrust coil 10 and second group of thrust coil 15 move vertically and to be moved vertically by drive push-plate 14, push-plate 14 promotes sliding hub 11 and to have moved vertically the switching of gear, after giving coil electricity, namely the thrust of an axis can be produced, and then drive driver plate motion, can change by the direction controlling thrust coil electrical current the direction that it produces thrust.
Described second group of planetary reduction systems comprises the second sun wheel 21, second satellite gear 19, second external toothing 18 and the second planetary wheel carrier 20, tween drive spindle 22 external cylindrical surface left end is fixed on differential section shell 23 inwall by spline joint second sun wheel 21, second external toothing 18.Described second satellite gear 19 is arranged between the second external toothing 18 and the second sun wheel 21, the centre hole of the second planetary gear carrier 20 is connected with right output shaft 31 by bearing, both can relatively rotate, the external cylindrical surface of described second planetary wheel carrier 20 high order end has spline tooth, and the second planetary wheel carrier 20 is connected with diff shell 25 by spline.
Described diff comprises the diff shell 25 as input end, differential planetary gear axle 24, first differential planetary gear 26, left differential axle side gear 27, second differential planetary gear 29 and right differential axle side gear 30, left differential axle side gear 27 connects the left output shaft 28 as left mouth, right differential axle side gear 30 connects the right output shaft 31 as right mouth, described second planetary wheel carrier 20 is connected with diff shell 25 by spline, differential planetary gear axle 24 is arranged on diff shell 25 rotationally, described left output shaft 28 other end is through the thrust baring endoporus on differential section shell 23, described right output shaft 31 other end is successively through the second planetary wheel carrier 20, tween drive spindle 22, thrust baring on the centre hole of drive motor output shaft 42 and drive motor roller bearing end cap 45, described right output shaft 31 and the second planetary wheel carrier 20, tween drive spindle 22, antifriction-bearing box is provided with between the centre hole of drive motor output shaft 42.Second planetary gear carrier 20 is transmitted the torque come and is delivered to the left output shaft 28 and right output shaft 31 that connect wheel respectively by diff.
Second group of Hall speed measuring system comprises secondary signal dish 32 and the second magnetosensitive detector 33, described secondary signal dish 32 is arranged on the external cylindrical surface of tween drive spindle 22, described second magnetosensitive detector 33 is fixedly mounted on gear stage shell 6, for measuring the rotating speed of tween drive spindle, because tween drive spindle is identical with the rotating speed of sliding hub, so second group of Hall speed measuring system can record the rotating speed of sliding hub;
First group of Hall speed measuring system comprises the first signal panels 40 and the first magnetosensitive detector 41, first signal panels 40 are arranged on drive motor output shaft 42, first magnetosensitive detector 41 is arranged on motor section shell 1, for measuring the rotating speed of drive motor output shaft;
As shown in Figure 2, sliding hub position measuring system is for measuring the position of push-plate 14, be provided with fixed parts and the movable part of position transduser in comprising, described fixed parts is arranged in gear stage shell 6 on pars intramuralis, and described movable part is connected with measurement push-plate 14.
Specifically, described sliding hub position measuring system comprises the first linear hall sensor 34, second linear hall sensor 35, position probing permanent magnet 36, position probing bar 37, third linear Hall element 38 and position detecting device cover 39, position probing bar 37 one end connects measures push-plate 14, the other end crosses position detecting device cover 39 and can overlap in 39 at position detecting device and horizontally slips, position probing permanent magnet 36 is fixed on position probing bar 37, first linear hall sensor 34, second linear hall sensor 35 is relative with third linear Hall element 38 to be fixed on position detecting device cover 39, after position probing bar slides in position detecting device cover, corresponding change can be there is in the magnetic field at linear hall element place, the output voltage of linear hall element can change, controller can the size of measuring voltage, judge the position of test rod.
Specifically, as shown in Figure 4, described first magnetosensitive detector 41 and the second magnetosensitive detector 33 include the support 48 being provided with rectangular recess, relatively be located at the permanent magnet 47 of described rectangular recess medial surface, switching Hall components 49, the edge of described first signal panels 40 and secondary signal dish 32 is all embedded in the described rectangular recess of support 48, when the notch of signal panels turns between permanent magnet 47 and switching Hall components 49, switching Hall components 49 senses the magnetic field that permanent magnet 47 sends, and then switching Hall components 49 output LOW voltage, when the magnetic conduction entity of signal panels is between permanent magnet 47 and switching Hall components 49, the magnetic field that permeability magnetic material will weaken near switching Hall components 49, and then switching Hall components 49 output HIGH voltage, when signal panels rotate continuously, switching Hall components 49 alternately exports high-low voltage.
Simultaneously, as shown in Figure 5, described gear stage shell 6 is also provided with the 3rd magnetosensitive detecting device 50 responded to the edge magnetic of described secondary signal dish 32 and coordinate, described 3rd magnetosensitive detecting device 50 structure is identical with the second magnetosensitive detector 33, when described secondary signal dish 32 goes to the position of a notch completely just to the second magnetosensitive detector 33, the position of described 3rd magnetosensitive detecting device 50 and another notch of described secondary signal dish 32 stagger 1/2nd of width of rebate; As described in Figure 3, described motor section shell 1 is also provided with and responds to the edge magnetic of described first signal panels 40 the 4th magnetosensitive detecting device 46 coordinated, described 4th magnetosensitive detecting device 46 is identical with the first magnetosensitive detector 41 structure, when described first signal panels 40 go to the position of a notch completely just to the first magnetosensitive detector 41, the position of described 4th magnetosensitive detecting device 46 and another notch of described first signal panels 40 stagger 1/2nd of width of rebate; According to the phase place sequencing of the voltage signal Changing Pattern that two adjacent magnetosensitive detecting devices detect, judge the direction that corresponding signal dish rotates.
principle of work and the process of the present embodiment are as follows:
The rotary speed data that controller obtains according to first group of Hall speed measuring system and second group of Hall speed measuring system is judged the need of gearshift, when shifting gears, controller is simultaneously according to the data of Hall speed measuring system and position measuring system gained, control motor and change to synchronous speed rapidly, the wearing and tearing of synchronization time and baulk ring can be shortened.When commutating high-grade by low grade, first, controller cuts off the power supply to drive motor, makes it be in free rotary state; Then, controller is energized to first group of thrust coil 10 and second group of thrust coil 15, first group of thrust coil 10 promotes push-plate 14 with second group of thrust coil 15 and drives sliding hub 11 to be separated with first planet wheel carrier 5, after according to the output signal of sliding hub position measuring system, controller judges that sliding hub 11 is separated with first planet wheel carrier 5, the rotating speed that controller controls drive motor makes sliding hub 11 identical with the rotating speed of key gear ring 13.After the synchronization of sliding hub 11 and key gear ring 13, sliding hub 11 is combined with the key tooth of key gear ring 13, completes gearshift.When commutating low-grade by top grade, first, controller cuts off the power supply to drive motor, makes it be in free rotary state; Then, controller is energized to first group of thrust coil 10 and second group of thrust coil 15, first group of thrust coil 10 promotes push-plate 14 with second group of thrust coil 15 and drives sliding hub 11 to be separated with key gear ring 13, after according to the output signal of position detecting device, controller judges that sliding hub 11 is separated with key gear ring 13, the rotating speed that controller controls drive motor makes sliding hub 11 identical with the rotating speed of first planet wheel carrier 5.After the synchronization of sliding hub 11 and first planet wheel carrier 5, sliding hub 11 is combined with the key tooth of first planet wheel carrier 5, completes gearshift.Fig. 2 is position detecting device constructional drawing.Fig. 6 is neutral state structure diagram of the present utility model, and in Fig. 6, sliding hub 11 is in disengaged position with key gear ring 13 and first planet wheel carrier 5, is now neutral state.Fig. 7 is Low gear state structure diagram of the present utility model, in Fig. 7, sliding hub 11 and first planet wheel carrier 5 are in engagement state, the power of drive motor passes to sliding hub 11 by planetary wheel carrier 5, sliding hub 11 again by transmission of power to rear, be now Low gear state.Fig. 8 is high-grade status architecture sketch of the present utility model, and in Fig. 8, sliding hub 11 and key gear ring 13 are in engagement state, and the power of drive motor passes to sliding hub 11 by key gear ring 13, sliding hub 11 again by transmission of power to rear, be now high-grade state.
Above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., within the protection domain that all should be included in the utility model claim.
Claims (7)
1. the electric automobile driving apparatus of the main deceleration of integrated automatic speed changing and differential, it is characterized in that, comprise driving motor, first group of planetary reduction systems, first group of Hall speed measuring system, sliding hub shifting system, thrust motor dial gear system, sliding hub position measuring system, second group of planetary reduction systems, second group of Hall speed measuring system, diff
Described drive motor mainly comprises the drive motor output shaft (42) of motor section shell (1), drive motor roller bearing end cap (45), drive motor stator coil (44), drive motor rotor (43), hollow, described drive motor stator coil (44) is fixed on the inwall of motor section shell (1), and described drive motor output shaft (42) connects drive motor rotor (43);
First group of planetary reduction systems comprises the first sun wheel (2), the first row star-wheel (3), first external toothing (4) and first planet wheel carrier (5), described first sun wheel (2) and drive motor output shaft (42) pass through spline joint, first external toothing (4) is fixed on gear stage shell (6), described the first row star-wheel (3) is arranged between the first external toothing (4) and the first sun wheel (2), the centre hole of first planet tooth rest (5) is connected with drive motor output shaft (42) by bearing, the high order end of first planet wheel carrier (5) has key tooth simultaneously,
Sliding hub shifting system comprises the sliding hub (11) with drive motor output shaft (42) cylindrical bearing fit, key gear ring (13) and tween drive spindle (22), the high order end of drive motor output shaft (42) is by spline joint key gear ring (13), tween drive spindle (22) is quill shaft, sliding hub (11) is connected with free-sliding spline with the external cylindrical surface of tween drive spindle (22) right-hand member, sliding hub (11) middle part inner ring has the key tooth be meshed with key gear ring (13) towards a left side, sliding hub (11) right-hand member inner ring has the key tooth be meshed with first planet wheel carrier (5) high order end towards the right side, also be separated by respectively between sliding hub (11) and key gear ring (13) and between first planet wheel carrier (5) when being provided with gearshift for second baulk ring (12) of speed sync and the first baulk ring (9),
Described thrust motor is dialled gear system and is comprised push-plate (14), the centre hole of described push-plate (14) is arranged on by bearing on the external cylindrical surface of sliding hub (11), and the bilateral symmetry of described push-plate (14) is provided with when to be fixed on gear stage shell (6) inwall in order to be energized and promotes the electromagnetic thrust device that push-plate (14) sway realizes gearshift;
Described second group of planetary reduction systems comprises the second sun wheel (21), second satellite gear (19), second external toothing (18) and the second planetary wheel carrier (20), tween drive spindle (22) external cylindrical surface left end is by spline joint second sun wheel (21), second external toothing (18) is fixed on differential section shell (23) inwall, described second satellite gear (19) is arranged between the second external toothing (18) and the second sun wheel (21), the centre hole of the second planetary gear carrier (20) is connected with right output shaft (31) by bearing, both can relatively rotate, the external cylindrical surface of described second planetary wheel carrier (20) high order end has spline tooth,
Described diff is positioned at differential section shell (23), comprise input end, left output shaft (28) and right output shaft (31), described input end drives with the second planetary wheel carrier (20) and is connected, left output shaft (28) and right output shaft (31) respectively connecting electric automobile revolver and rightly to take turns;
Second group of Hall speed measuring system comprises the secondary signal dish (32) of employing collar plate shape magnetizer material and responds to described secondary signal dish (32) edge magnetic the second magnetosensitive detector (33) coordinated, the centre hole of described secondary signal dish (32) is arranged on the external cylindrical surface of tween drive spindle (22), described second magnetosensitive detector (33) is fixedly mounted on gear stage shell (6), and the edge of described secondary signal dish (32) is circumferentially evenly provided with the notch of some one fixed widthes;
First group of Hall speed measuring system comprises first signal panels (40) of employing collar plate shape magnetizer material and responds to the edge magnetic of described first signal panels (40) the first magnetosensitive detector (41) coordinated, the centre hole of the first signal panels (40) is arranged on drive motor output shaft (42), first magnetosensitive detector (41) is arranged on motor section shell (1), and the edge of described first signal panels (40) is circumferentially evenly provided with the notch of some one fixed widthes;
Sliding hub position measuring system is for measuring the position of push-plate (14), fixed parts and the movable part of position transduser is provided with in comprising, described fixed parts is arranged on gear stage shell (6) interior pars intramuralis, and described movable part is connected with measurement push-plate (14).
2. the electric automobile driving apparatus of the main deceleration of a kind of integrated automatic speed changing according to claim 1 and differential, it is characterized in that: described sliding hub position measuring system comprises the first linear hall sensor (34), second linear hall sensor (35), position probing permanent magnet (36), position probing bar (37), third linear Hall element (38) and position detecting device cover (39), position probing bar (37) one end connects measures push-plate (14), the other end crosses position detecting device cover (39) and can horizontally slip in position detecting device cover (39), position probing permanent magnet (36) is fixed on position probing bar (37), first linear hall sensor (34), second linear hall sensor (35) is relative with third linear Hall element (38) to be fixed on position detecting device cover (39).
3. the electric automobile driving apparatus of the main deceleration of a kind of integrated automatic speed changing according to claim 1 and differential, it is characterized in that: it is the first flux sleeve (7) that axle center is circular layout that described electromagnetic thrust device comprises with the axle center of sliding hub (11), first group of permanent magnet (8), first group of thrust coil (10), second group of thrust coil (15), second group of permanent magnet (16) and the second flux sleeve (17), first flux sleeve (7) and the second flux sleeve (17) are relatively fixed on gear stage shell (6) inwall, first group of permanent magnet (8) and second group of permanent magnet (16) are embedded in the first flux sleeve (7) and the second flux sleeve (17) respectively, magnetic field is produced in the air gap of the first flux sleeve (7) and the second flux sleeve (17), first group of thrust coil (10) and second group of thrust coil (15) are movably housed in the air gap of flux sleeve (7) and the second flux sleeve (17) respectively, push-plate (14) is positioned between first group of thrust coil (10) and second group of thrust coil (15), first group of thrust coil (10) and second group of thrust coil (15) are moved vertically and push-plate (14) will be driven to move vertically, and push-plate (14) then promotes sliding hub (11) and to have moved vertically the switching of gear.
4. the electric automobile driving apparatus of the main deceleration of a kind of integrated automatic speed changing according to claim 1 and differential, it is characterized in that: described diff comprises the diff shell (25) as input end, differential planetary gear axle (24), first differential planetary gear (26), left differential axle side gear (27), second differential planetary gear (29) and right differential axle side gear (30), left differential axle side gear (27) connects the left output shaft (28) as left mouth, right differential axle side gear (30) connects the right output shaft (31) as right mouth, described second planetary wheel carrier (20) is connected with diff shell (25) by spline, differential planetary gear axle (24) is arranged on diff shell (25) rotationally, described left output shaft (28) other end is through the thrust baring endoporus on differential section shell (23), described right output shaft (31) other end is successively through the second planetary wheel carrier (20), tween drive spindle (22), thrust baring on the centre hole of drive motor output shaft (42) and drive motor roller bearing end cap (45), the torque that second planetary gear carrier (20) transmission is come is delivered to the left output shaft (28) and right output shaft (31) that connect wheel by diff respectively.
5. the electric automobile driving apparatus of the main deceleration of a kind of integrated automatic speed changing according to claim 4 and differential, is characterized in that: be provided with antifriction-bearing box between the centre hole of described right output shaft (31) and the second planetary wheel carrier (20), tween drive spindle (22), drive motor output shaft (42).
6. the electric automobile driving apparatus of the main deceleration of a kind of integrated automatic speed changing according to claim 1 and differential, it is characterized in that: described first magnetosensitive detector (41) and the second magnetosensitive detector (33) include the support (48) being provided with rectangular recess, relatively be located at the permanent magnet (47) of described rectangular recess medial surface, switching Hall components (49), the edge of described first signal panels (40) and secondary signal dish (32) is all embedded in the rectangular recess of support (48), when the notch of signal panels turns between permanent magnet (47) and switching Hall components (49), switching Hall components (49) senses the magnetic field that permanent magnet (47) sends, and then switching Hall components (49) output LOW voltage, when the magnetic conduction entity of signal panels is positioned between permanent magnet (47) and switching Hall components (49), permeability magnetic material will weaken the magnetic field near switching Hall components (49), and then switching Hall components (49) output HIGH voltage, when signal panels rotate continuously, switching Hall components (49) alternately exports high-low voltage.
7. the electric automobile driving apparatus of the main deceleration of a kind of integrated automatic speed changing according to claim 6 and differential, it is characterized in that: described gear stage shell (6) is also provided with and responds to the edge magnetic of described secondary signal dish (32) the 3rd magnetosensitive detecting device coordinated, described 3rd magnetosensitive structure of the detecting device is identical with the second magnetosensitive detector (33), when described secondary signal dish (32) goes to the position of a notch completely just to the second magnetosensitive detector (33), the position of described 3rd magnetosensitive detecting device and another notch of described secondary signal dish (32) stagger 1/2nd of width of rebate, described motor section shell (1) is also provided with the 4th magnetosensitive detecting device (46) responded to the edge magnetic of described first signal panels (40) and coordinate, described 4th magnetosensitive detecting device (46) is identical with the first magnetosensitive detector (41) structure, when described first signal panels (40) go to the position of a notch completely just to the first magnetosensitive detector (41), the described position of the 4th magnetosensitive detecting device (46) and another notch of described first signal panels (40) stagger 1/2nd of width of rebate, according to the phase place sequencing of the voltage signal Changing Pattern that two adjacent magnetosensitive detecting devices detect, judge the direction that corresponding signal dish rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520835752.XU CN205149525U (en) | 2015-10-23 | 2015-10-23 | Motor of electric vehicle of integrated automatic speed changing owner's speed reduction and differential |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520835752.XU CN205149525U (en) | 2015-10-23 | 2015-10-23 | Motor of electric vehicle of integrated automatic speed changing owner's speed reduction and differential |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205149525U true CN205149525U (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520835752.XU Withdrawn - After Issue CN205149525U (en) | 2015-10-23 | 2015-10-23 | Motor of electric vehicle of integrated automatic speed changing owner's speed reduction and differential |
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| Country | Link |
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| CN (1) | CN205149525U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105291826A (en) * | 2015-10-23 | 2016-02-03 | 华南理工大学 | Electric car drive device integrating automatic transmission main deceleration and differential speed |
| CN109563917A (en) * | 2016-07-29 | 2019-04-02 | 舍弗勒技术股份两合公司 | Planet differential device and the method for manufacturing the planet differential device |
-
2015
- 2015-10-23 CN CN201520835752.XU patent/CN205149525U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105291826A (en) * | 2015-10-23 | 2016-02-03 | 华南理工大学 | Electric car drive device integrating automatic transmission main deceleration and differential speed |
| CN105291826B (en) * | 2015-10-23 | 2018-01-05 | 华南理工大学 | A kind of main deceleration of integrated fluid drive and the electric automobile driving apparatus of differential |
| CN109563917A (en) * | 2016-07-29 | 2019-04-02 | 舍弗勒技术股份两合公司 | Planet differential device and the method for manufacturing the planet differential device |
| CN109563917B (en) * | 2016-07-29 | 2022-02-22 | 舍弗勒技术股份两合公司 | Planetary differential device and method for manufacturing same |
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