CN203567552U - Motor and transmission integrated drive system for pure electric vehicle - Google Patents
Motor and transmission integrated drive system for pure electric vehicle Download PDFInfo
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- CN203567552U CN203567552U CN201320772324.8U CN201320772324U CN203567552U CN 203567552 U CN203567552 U CN 203567552U CN 201320772324 U CN201320772324 U CN 201320772324U CN 203567552 U CN203567552 U CN 203567552U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses a motor and transmission integrated drive system for a pure electric vehicle. The motor and transmission integrated drive system for the pure electric vehicle is a two-gear automatic transmission planetary gear mechanism. The mechanism consists of a single-row 2K-H planetary gear mechanism, an electromagnetic clutch, an electromagnetic brake, a differential mechanism, a main reduction gear and a permanent magnet synchronous motor, wherein a sun gear is directly and fixedly connected with a permanent magnet motor rotor base through a spline, a stator corresponding to a rotor is fixedly arranged on a motor case, and the differential mechanism is arranged in the motor rotor base. Power is transmitted to the sun gear through the motor, then is transmitted to left and right half shafts of the differential mechanism through a planetary carrier and finally is output to wheels through a main reductor, the clutch realizes the engagement and the disengagement of a gear ring and the planetary carrier, the brake realizes the fixation or the separation of the gear ring and a box body, and the shifting of two gears is realized through different combinations that the clutch and the brake work or not. The motor and transmission integrated drive system for the pure electric vehicle has the advantages that the form is simple, the structure is compact, the size is small, the weight is light, and the system complies with the principle of automobile weight reduction.
Description
Technical field:
The utility model relates to a kind of motor-speed changer integrated driving system for pure electric automobile.
Background technology:
At present, internal-combustion engines vehicle has occupied most market, but internal-combustion engines vehicle is faced with discharge and these two insoluble problems of oil resources shortage.To solve energy shock and environmental protection needs of problems as departure point, the development of the new-energy automobile take pure electric automobile as representative is subject to global extensive concern.
Abroad, take Japan, the U.S. as representative, the prostatitis in the Zou Liao world aspect electronlmobil and hybrid vehicle research, Japan's hybrid power car reaches 19.7 ten thousand the recoverable amount of 2004, mainly the Toyota Prius third generation, the Honda Civic second generation, existing more than 20 of existing kind, the positive accelerated development diesel hybrid of the U.S., hydraulic hybrid drive system is just being developed in Eton, by the tandem of accumulator, Hydraulic Pump, HM Hydraulic Motor, driving back axle, comprise that braking regeneration and driving engine stop etc. automatically; Domestic take a vapour, east wind, Shanghai Volkswagen, Chang'an, Cherry, in the enterprise such as logical, Beijing Automobile Workshop Feitian and capital passenger vehicle as representative, also take 08 Olympic Games as opportunity, developed new-energy automobile, but after carefully analyzing, all can find, these new-energy automobiles are all the transmission system of using traditional fuel-engined vehicle substantially aspect transmission system, or slightly make and change aspect parameter, and do not study targetedly.Take pure electric automobile as example: by the structural analysis to the electronlmobil of having developed, can find that its structure is to convert substantially both at home and abroad on the basis of orthodox car.With regard to pure electric automobile, original fuel engines is changed into storage battery and drive motor and controller thereof, and all the other structures do not change substantially, although so greatly simplified Design and manufacturing process, but it fails to give full play to motor-driven various technical advantage according to the drive performance of motor, therefore its cost performance is also difficult to there is breakthrough raising.
Summary of the invention:
For overcoming the defect of prior art, the purpose of this utility model is to provide a kind of motor-speed changer integrated driving system for pure electric automobile, has advantages of that volume is little, lightweight, compact conformation, driving efficiency be high.
The utility model technical solution problem adopts following technical scheme:
Motor for pure electric automobile-speed changer integrated driving system, whole system by single 2K-H sun and planet gear, magnetic clutch, magnet stopper, diff, master subtracts gear and permagnetic synchronous motor forms; The distribution form of the single planetary wheel 2K-H of described transmission adopted, comprising: motor stator, rotor, rotator seat, sun wheel, satellite gear, gear ring, pinion carrier, diff, magnetic clutch, magnet stopper, left driving wheel, left flower wheel, right driving wheel, right flower wheel, diff left half axle, diff right axle shaft, left power take-off shaft, right power take-off shaft, left wheel, right wheel, motor casing;
Described sun wheel is directly connected by spline and rotor seat, and the stator corresponding with rotor is fixed on motor casing; The satellite gear engaging with described sun wheel by bearings in described pinion carrier; Described diff is placed in rotor seat hole, one end by bearings in sun wheel axis hole, the other end by bearings in motor casing hole; Described pinion carrier is connected by spline and diff; Armature part and the described gear ring of described magnetic clutch are connected by screw, and the coiler part of described magnetic clutch is connected by key and pinion carrier; The gear ring engaging with described satellite gear by bearings on described motor casing; Armature part and the motor casing of described magnet stopper are connected by screw, and the coiler part of described magnet stopper and described gear ring are connected by key;
Described left driving wheel is connected by key and diff left half axle, and the left flower wheel engaging with described left driving wheel is connected by key and described left power take-off shaft; Described right driving wheel is connected by key and diff right axle shaft, and the right flower wheel engaging with described right driving wheel is connected by key and described right power take-off shaft; The rotor of whole system, sun wheel and described diff left half axle, diff right axle shaft are concentric, and power is passed to left wheel and right wheel by described left power take-off shaft, right power take-off shaft.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
1. sun wheel and rotor seat are directly connected by spline, have avoided the mechanical vibration and the noise that by sun wheel and motor shaft secondary mismatch error, are brought;
2. diff is placed in rotor seat, has reduced the bulk of whole driving system, make integral structure compacter;
3. compared with current fixed speed ratio retarder used for electric vehicle, transmission ratio-variable, driving efficiency is higher;
4. main reduction gear can be applicable to different vehicle type structures;
5. this structural arrangement form is simple, compact conformation, and volume is little, weight is little, meets automotive light weight technology principle.
Accompanying drawing explanation:
Fig. 1 is structural representation of the present utility model.
Number in the figure: 1 motor stator, 2 rotors, 3 rotator seats, 4 sun wheels, 5 satellite gears, 6 gear rings, 7 pinion carriers, 8 difies, 9 magnetic clutchs, 10 magnet stoppers, 11 left driving wheels, 12 left flower wheels, 13 right driving wheels, 14 right flower wheels, 15 diff left half axles, 16 diff right axle shafts, 17 left power take-off shafts, 18 right power take-off shafts, 19 left wheels, 20 right wheels, 21 motor casings.
Below pass through the specific embodiment, and the utility model is described in further detail by reference to the accompanying drawings.
The specific embodiment:
Embodiment: referring to accompanying drawing 1, motor for the pure electric automobile-speed changer integrated driving system of the present embodiment, whole system by single 2K-H sun and planet gear, magnetic clutch, magnet stopper, diff, master subtracts gear and permagnetic synchronous motor forms; The distribution form of the simple single planetary wheel of this transmission adopted (2K-H), is respectively: motor stator 1, rotor 2, rotator seat 3, sun wheel 4, satellite gear 5, gear ring 6, pinion carrier 7, diff 8, magnetic clutch 9, magnet stopper 10, left driving wheel 11, left flower wheel 12, right driving wheel 13, right flower wheel 14, diff left half axle 15, diff right axle shaft 16, left power take-off shaft 17, right power take-off shaft 18, left wheel 19, right wheel 20, motor casing 21; Annexation is: sun wheel 4 is directly connected by spline and rotor seat 3, and the stator 1 corresponding with rotor 2 is fixed on motor casing 21; The satellite gear 5 engaging with sun wheel 4 by bearings in pinion carrier 7; Diff 8 is placed in rotor seat 3 holes, one end by bearings in sun wheel 4 axis holes, the other end by bearings in motor casing 21 holes; Pinion carrier 7 is connected by spline and diff 8; Armature part and the gear ring 6 of magnetic clutch 9 are connected by screw, and the coiler part of magnetic clutch 9 is connected by key and pinion carrier 7; The gear ring 6 engaging with satellite gear 5 by bearings on motor casing 21; Armature part and the motor casing 21 of magnet stopper 10 are connected by screw, and the coiler part of magnet stopper 10 and gear ring 6 are connected by key.
Left driving wheel 11 is connected by key and diff left half axle 15, the left flower wheel 12 engaging with left driving wheel 11 by key and left power take-off shaft 17 be connected; Right driving wheel 13 is connected by key and diff right axle shaft 16, the right flower wheel 14 engaging with right driving wheel 13 by key and right power take-off shaft 18 be connected; The rotor 1 of whole system, sun wheel 4 and diff left half axle 15, diff right axle shaft 16 are concentric, and power is passed to left wheel 19 and right wheel 20 by left power take-off shaft 17, right power take-off shaft 18.
In work, when rotor 2 cws rotate with certain speed and moment of torsion rotor driven seat 3, magnet stopper 10 engages, and magnetic clutch 9 is not when work, now power is passed to sun wheel 4 by rotor seat 3, through planetary gear reducing mechanism, complete primary speed-down, power is passed on diff left half axle 15 and diff right axle shaft 16 by pinion carrier 7, pass through again left driving wheel 11, left flower wheel 12 and right driving wheel 13, right flower wheel 14 completes double reduction, final power exports left wheel 19 and right wheel 20 by left flower wheel 12 and right flower wheel 14 to through left power take-off shaft 17 and right power take-off shaft 18, now change-speed box is in D1 file location.When magnetic clutch 9 engages, and magnet stopper 10 is not when work, now power is passed to sun wheel 4 by rotor seat 3, gear ring 6 and pinion carrier 7 are synchronous, complete primary speed-down, power is passed on diff left half axle 15 and diff right axle shaft 16 by pinion carrier 7, through left driving wheel 11, left flower wheel 12 and right driving wheel 13, right flower wheel 14, complete double reduction again, final power exports left wheel 19 and right wheel 20 by left flower wheel 12 and right flower wheel 14 to through left power take-off shaft 17 and right power take-off shaft 18, and now change-speed box is in D2 file location.When rotor 2 conter clockwises rotate with certain speed and moment of torsion rotor driven seat 3, magnet stopper 10 engages, and magnetic clutch 9 is not when work, now power is passed to sun wheel 4 by rotor seat 3, through planetary gear reducing mechanism, complete primary speed-down, power is passed on diff left half axle 15 and diff right axle shaft 16 by pinion carrier 7, pass through again left driving wheel 11, left flower wheel 12 and right driving wheel 13, right flower wheel 14 completes double reduction, final power exports left wheel 19 and right wheel 20 by left flower wheel 12 and right flower wheel 14 to through left power take-off shaft 17 and right power take-off shaft 18, now change-speed box is in R file location.When magnetic clutch 9, magnet stopper 10 are not worked, unpowered output, now change-speed box is in Neutral Position.
Thus, by the various combination of control system power-transfer clutch and drg, thereby can realize two D Drives, a reverse gear and a neutral gear.
Take actual development type pure electric automobile as example, selected gear number is that 2, one grades of transmitting ratios are 13.3, and second gear transmitting ratio is 3.8.Each gear number of teeth is as shown in table 1.
Table 1 gear table of gear tooth number
| Gear | Sun wheel | Satellite gear | Gear ring | Left and right driving wheel | Left and right flower wheel |
| The number of teeth | 26 | 19 | 64 | 17 | 65 |
As shown in Figure 1, a kind of pure electric automobile power assembly integral structure of the present embodiment has been used two gear shift power elements: a magnetic clutch, a magnet stopper.
The power element of each gear is as shown in table 2.
The table 2 power element worksheet of shifting gears
Note: in table, "●" represents combination, "○" represents to separate;
Each grade of power transmission line explanation, in conjunction with Fig. 1 and table 2.
The realization of 1.D1 shelves
Magnet stopper 10 engages, and magnetic clutch 9 is not when work, rotor 2 cws rotate with certain speed and moment of torsion rotor driven seat 3, now power is passed to sun wheel 4 by rotor seat 3, through planetary gear reducing mechanism, complete primary speed-down, power is passed on diff left half axle 15, diff right axle shaft 16 by pinion carrier 7, through left and right master, subtract gear again and complete double reduction, final power exports wheel by left flower wheel 12 and right flower wheel 14 to through left power take-off shaft 17, right power take-off shaft 18.
The realization of 2.D2 shelves
Magnetic clutch 9 engages, and magnet stopper 10 is not when work, now power is passed to sun wheel 4 by rotor seat 3, gear ring 6 and pinion carrier 7 are synchronous, complete primary speed-down, power is passed on diff left half axle 15, diff right axle shaft 16 by pinion carrier 7, then subtracts gear and complete double reduction through left and right master, and final power exports wheel by left flower wheel 12 and right flower wheel 14 to through left power take-off shaft 17, right power take-off shaft 18.
The realization of 3.R shelves
Magnet stopper 10 engages, and magnetic clutch 9 is not when work, rotor 2 conter clockwises rotate with certain speed and moment of torsion rotor driven seat 3, now power is passed to sun wheel 4 by rotor seat 3, through planetary gear reducing mechanism, complete primary speed-down, power is passed on diff left half axle 15, diff right axle shaft 16 by pinion carrier 7, through left and right master, subtract gear again and complete double reduction, final power exports wheel by left flower wheel 12 and right flower wheel 14 to through left power take-off shaft 17, right power take-off shaft 18.
4. the realization of neutral gear
When magnetic clutch 9, magnet stopper 10 are not worked, unpowered output.
Claims (1)
1. motor for pure electric automobile-speed changer integrated driving system, is characterized in that:
The distribution form of the single planetary wheel 2K-H of described transmission adopted, comprise: motor stator (1), rotor (2), rotator seat (3), sun wheel (4), satellite gear (5), gear ring (6), pinion carrier (7), diff (8), magnetic clutch (9), magnet stopper (10), left driving wheel (11), left flower wheel (12), right driving wheel (13), right flower wheel (14), diff left half axle (15), diff right axle shaft (16), left power take-off shaft (17), right power take-off shaft (18), left wheel (19), right wheel (20), motor casing (21),
Described sun wheel (4) is directly connected by spline and rotor seat (3), and the stator (1) corresponding with rotor (2) is fixed on motor casing (21); The satellite gear (5) engaging with described sun wheel (4) by bearings in described pinion carrier (7); Described diff (8) is placed in rotor seat (3) hole, one end by bearings in sun wheel (4) axis hole, the other end by bearings in motor casing (21) hole; Described pinion carrier (7) is connected by spline and diff (8); The armature part of described magnetic clutch (9) and described gear ring (6) are connected by screw, and the coiler part of described magnetic clutch (9) is connected by key and pinion carrier (7); The gear ring (6) engaging with described satellite gear (5) by bearings on described motor casing (21); The armature part of described magnet stopper (10) and motor casing (21) are connected by screw, and the coiler part of described magnet stopper (10) and described gear ring (6) are connected by key;
Described left driving wheel (11) is connected by key and diff left half axle (15), and the left flower wheel (12) engaging with described left driving wheel (11) is connected by key and described left power take-off shaft (17); Described right driving wheel (13) is connected by key and diff right axle shaft (16), and the right flower wheel (14) engaging with described right driving wheel (13) is connected by key and described right power take-off shaft (18); The rotor (1) of whole system, sun wheel (4) and described diff left half axle (15), diff right axle shaft (16) are concentric, and power is passed to left wheel (19) and right wheel (20) by described left power take-off shaft (17), right power take-off shaft (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320772324.8U CN203567552U (en) | 2013-11-29 | 2013-11-29 | Motor and transmission integrated drive system for pure electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320772324.8U CN203567552U (en) | 2013-11-29 | 2013-11-29 | Motor and transmission integrated drive system for pure electric vehicle |
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| CN203567552U true CN203567552U (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320772324.8U Expired - Fee Related CN203567552U (en) | 2013-11-29 | 2013-11-29 | Motor and transmission integrated drive system for pure electric vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103587411A (en) * | 2013-11-29 | 2014-02-19 | 合肥工业大学 | Motor-transmission integrated transmission system for blade electric vehicle |
| US20240001750A1 (en) * | 2020-11-02 | 2024-01-04 | Smesh Bv | Compact drive for a vehicle |
-
2013
- 2013-11-29 CN CN201320772324.8U patent/CN203567552U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103587411A (en) * | 2013-11-29 | 2014-02-19 | 合肥工业大学 | Motor-transmission integrated transmission system for blade electric vehicle |
| US20240001750A1 (en) * | 2020-11-02 | 2024-01-04 | Smesh Bv | Compact drive for a vehicle |
| US11993139B2 (en) * | 2020-11-02 | 2024-05-28 | Smesh Bv | Compact drive for a vehicle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20201129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |