CN205395750U - Bi -motor hybrid synergy drive system - Google Patents

Bi -motor hybrid synergy drive system Download PDF

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Publication number
CN205395750U
CN205395750U CN201620153990.7U CN201620153990U CN205395750U CN 205395750 U CN205395750 U CN 205395750U CN 201620153990 U CN201620153990 U CN 201620153990U CN 205395750 U CN205395750 U CN 205395750U
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gear
motor
shaft
power
driving
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于军
贾传平
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Anhui Niukaen Self-Control Technology Co Ltd
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Anhui Niukaen Self-Control Technology Co Ltd
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Abstract

The utility model relates to a bi -motor hybrid synergy drive system. Including engine, first motor, second motor and parallel axis derailleur, the parallel axis derailleur includes parallel arrangement's in the box first input shaft, second input shaft, output shaft, second motor shaft and differential mechanism, and the one end of first input shaft is passed through the clutch and is linked to each other with the engine, the output shaft loop through main reducer, differential mechanism and connect about the semi -axis. According to the above technical scheme, the utility model discloses a dual input axle construction of first input shaft and second input shaft, first input shaft transferable come from the power of first motor, and also the power that transmits the engine is connected with the engine to the accessible clutch, the transferable of second input shaft comes from the power of second motor, this system can realize the engine open stop, all driving conditions of pure electric mode, series connection mode, parallelly connected mode, series -parallel connection mode, the unpowered interrupt automatic range conversion of each power supply is realized to the can also, satisfies the travelling comfort of driving.

Description

A kind of double-motor hybrid drive system
Technical field
This utility model relates to new-energy automobile dynamical system, is specifically related to a kind of double-motor hybrid drive system.
Background technology
New-energy automobile is with the feature in the industry cycle fast development of its energy-conserving and environment-protective, and this vehicle will change existing energy resource structure.Mixed power electric car, as an important branch of new-energy automobile, retaining on the basis of conventional engines, gives full play to the advantage of motor, substantially improves VE Vehicle Economy and emission performance.Mixed power electric car has price advantage and the continuation of the journey advantage that pure electric automobile does not have, therefore the development of hybrid power system and promote imperative.Dynamic coupling system as one of hybrid power system key technology is always studied, but lacks the studies in China of automatic transmission technical foundation to this rare breakthrough.Existing hybrid power system is many based on coaxially arranged, or takes the double-motor parallel-serial structure without variator, causes that difficult arrangement or oil-saving effect are undesirable.
Thus, hybrid vehicle needs a kind of drive system with automatic gear-box, all driving conditions of electromotor start and stop, electric-only mode, series model, paralleling model, series-parallel connection pattern can be realized, also can realize each power source power failure-free fluid drive, meet the comfortableness driven.
Utility model content
The purpose of this utility model is in that to provide a kind of double-motor hybrid drive system, all driving conditions of electromotor start and stop, electric-only mode, series model, paralleling model, series-parallel connection pattern can be realized, also can realize each power source power failure-free fluid drive, meet the comfortableness driven.
For achieving the above object, this utility model have employed techniques below scheme: includes electromotor, the first motor, the second motor and parallel shaft transmission, described parallel shaft transmission includes the first power shaft, the second power shaft, output shaft, the second motor shaft and the differential mechanism that are arranged in parallel in casing, one end of described first power shaft is connected with electromotor by clutch, second motor shaft is hollow axle, and second motor shaft by bearing empty set at the other end of the first power shaft, described output shaft passes sequentially through main reducing gear, differential mechanism connects left and right semiaxis;
The first described power shaft is sequentially provided with the first motor, fourth gear driving gear, two fourth gear lock units and two grades of driving gears, the second described motor shaft is provided with the second motor shaft constant mesh gear and the second motor, and two described fourth gear lock units control coupling of the first power shaft and fourth gear driving gear or two grades of driving gears;
The second described power shaft is sequentially provided with third speed drive gear, a third gear lock unit, one grade of driving gear and the second power shaft constant mesh gear, a described third gear lock unit controls coupling of the second power shaft and third speed drive gear or one grade of driving gear, and the second described power shaft constant mesh gear and the second motor shaft constant mesh gear are meshed;
Described output shaft is sequentially provided with three fourth gear driven gears, main reducing gear driving gear and one or two grades of driven gears, three described fourth gear driven gears are meshed with fourth gear driving gear and third speed drive gear respectively, one or two grades of described driven gears are meshed with one grade of driving gear and two grades of driving gears respectively, and described main reducing gear driving gear is meshed with the main reducing gear driven gear arranged on differential mechanism.
A described third gear lock unit and two fourth gear lock units are alternatively gear clutch.
When the first described motor is as power source, by the cooperation of two fourth gear lock units and two grades of driving gears and fourth gear driving gear, two grades, fourth gear both drive shifts can be formed, and realize reverse gear by the reversion of the first motor.
When the second described motor is as power source, by the cooperation of a third gear lock unit and one grade of driving gear and third speed drive gear, one grade, third gear both drive shifts can be formed, and realize reverse gear by the reversion of the second motor.
When described electromotor is as power source, by the cooperation of two fourth gear lock units and two grades of driving gears and fourth gear driving gear, two grades, fourth gear both drive shifts can be formed, and realize reverse gear by the reversion of the first motor.
As shown from the above technical solution, this utility model adopts the dual input shaft structure of the first power shaft and the second power shaft, and the first power shaft can transmit the power from the first motor, it is possible to be connected the power of transmission electromotor with electromotor by clutch;Second power shaft can transmit the power from the second motor;Native system can realize all driving conditions of electromotor start and stop, electric-only mode, series model, paralleling model, series-parallel connection pattern, also can realize each power source power failure-free fluid drive, meets the comfortableness driven.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described further:
A kind of double-motor hybrid drive system as shown in Figure 1, including electromotor the 1, first motor the 2, second motor 3 and parallel shaft transmission, parallel shaft transmission includes first power shaft the 4, second power shaft 5, output shaft the 6, second motor shaft 7 and the differential mechanism 8 that are arranged in parallel in casing, one end of first power shaft 4 is connected with electromotor 1 by clutch 9, second motor shaft 7 is hollow axle, and second motor shaft 7 by the bearing empty set other end at the first power shaft 4, output shaft 6 passes sequentially through main reducing gear, differential mechanism 8 connects left and right semiaxis 10;
First power shaft 4 is sequentially provided with the first motor 2, fourth gear driving gear 41, two fourth gear lock unit 42 and two grades of driving gears 43, second motor shaft 7 is provided with the second motor shaft constant mesh gear 71 and the second motor 3, and two fourth gear lock units 42 control coupling of the first power shaft 4 and fourth gear driving gear 41 or two grades of driving gears 43;
Second power shaft 5 is sequentially provided with 52, one grade of driving gear of third speed drive gear 51, third gear lock unit 53 and the second power shaft constant mesh gear 54, one third gear lock unit 52 controls coupling of the second power shaft 5 and third speed drive gear 51 or one grade of driving gear 53, and the second power shaft constant mesh gear 54 is meshed with the second motor shaft constant mesh gear 71;
Output shaft 6 is sequentially provided with three fourth gear driven gears 61, main reducing gear driving gear 62 and one or two grades of driven gears 63, three fourth gear driven gears 61 are meshed with fourth gear driving gear 41 and third speed drive gear 51 respectively, one or two grades of driven gears 63 are meshed with one grade of driving gear 53 and two grades of driving gears 43 respectively, and main reducing gear driving gear 62 is meshed with the main reducing gear driven gear 81 arranged on differential mechanism 8.
Further, a third gear lock unit 52 and two fourth gear lock units 42 are alternatively gear clutch.
Further, when the first motor 2 is as power source, by coordinating of two fourth gear lock units 42 and two grades of driving gears 43 and fourth gear driving gear 41, two grades, fourth gear both drive shifts can be formed, and realize reverse gear by the reversion of the first motor 2.
Further, when the second motor 3 is as power source, by coordinating of a third gear lock unit 52 and one grade of driving gear 53 and third speed drive gear 51, one grade, third gear both drive shifts can be formed, and realize reverse gear by the reversion of the second motor 3.
Further, when electromotor 1 is as power source, by coordinating of two fourth gear lock units 42 and two grades of driving gears 43 and fourth gear driving gear 41, two grades, fourth gear both drive shifts can be formed, and realize reverse gear by the reversion of the first motor 2.
Double-motor hybrid drive system in this utility model, its two grades, fourth gear be the special gear of the first motor and electromotor, one grade, third gear be the special gear of the second motor, reverse gear function can be realized by the reversion of the first motor or the second motor.
When (one) first motor 2 is as power source, the power transmission line of each gear is respectively as follows:
(1) two grade: stir two fourth gear lock units 42, making the first power shaft 4 be connected with two grades of driving gears 43, its power transmission line is: first 4 → bis-grades of driving gears of motor 2 → the first power shaft 43 → 1 grades driven gear 63 → main reducing gear driving gear 62 → main reducing gear driven gear 81 → differential mechanism, 8 → left and right semiaxis 10;
(2) fourth gear: stir two fourth gear lock units 42, making the first power shaft 4 be connected with fourth gear driving gear 41, its power transmission line is: first motor 2 → the first power shaft 4 → fourth gear driving gear 41 → tri-fourth gear driven gear 61 → main reducing gear driving gear 62 → main reducing gear driven gear 81 → differential mechanism 8 → left and right semiaxis 10;
(3) power path of Brake energy recovery: according to above-mentioned (one) { (1)~(2) } power transmission line, when the first motor 2 becomes generating state, energy regenerating can be braked.
When (two) second motors 3 are as power source, the power transmission line of each gear is respectively as follows:
(1) one grade: stir a third gear lock unit 52, making the second power shaft 5 be connected with one grade of driving gear 53, its power transmission line is: second motor 3 → the second motor shaft 7 → the second 54 → mono-grades of driving gears of motor shaft constant mesh gear 71 → the second power shaft constant mesh gear 53 → 1 grades driven gear 63 → main reducing gear driving gear 62 → main reducing gear driven gear 81 → differential mechanism 8 → left and right semiaxis 10;
(2) third gear: stir a third gear lock unit 52, making the second power shaft 5 be connected with third speed drive gear 51, its power transmission line is: second motor 3 → the second motor shaft 7 → the second motor shaft constant mesh gear 71 → the second power shaft constant mesh gear 54 → third speed drive gear 51 → tri-fourth gear driven gear 61 → main reducing gear driving gear 62 → main reducing gear driven gear 81 → differential mechanism 8 → left and right semiaxis 10;
(3) power path of Brake energy recovery: according to above-mentioned (two) { (1)~(2) } power transmission line, when the second motor 3 becomes generating state, energy regenerating can be braked.
(3), when electromotor 1 is as power source, the power transmission line of each gear is respectively as follows:
(1) two grade: stir two fourth gear lock units 42, making the first power shaft 4 be connected with two grades of driving gears 43, its power transmission line is: 43 → 1 grades of driven gear 63 → main reducing gear driving gear 62 → main reducing gear driven gear 81 → differential mechanism 8 → left and right semiaxis 10 of 4 → bis-grades of driving gears of electromotor 1 → clutch 9 → the first power shaft;
(2) fourth gear: stir two fourth gear lock units 42, making the first power shaft 4 be connected with fourth gear driving gear 41, its power transmission line is: electromotor 1 → clutch 9 → the first power shaft 4 → fourth gear driving gear 41 → tri-fourth gear driven gear 61 → main reducing gear driving gear 62 → main reducing gear driven gear 81 → differential mechanism 8 → left and right semiaxis 10.
Power transmission line when (four) first motor the 2, second motors 3 and electromotor 1 tandem working is:
Engage clutch, the power making electromotor is delivered to the first motor by the first power shaft, two fourth gear lock units on first power shaft are in neutral position, now, first motor is in generating state, when electromotor provides power to the first motor, first motor can charge to power battery pack or power to the second motor, second motor supplies power to car load according to above-mentioned (two) { (1) } by one grade, or the second motor supplies power to car load according to above-mentioned (two) { (2) } by third gear;According to above-mentioned (two) { (1)~(2) } power transmission line, when the second motor becomes generating state, energy regenerating can be braked.
Power transmission line when (five) first motor the 2, second motors 3 and electromotor 1 parallel operation is:
(1) first motor and the second motor parallel drive route: the first motor transfers power to output shaft according to above-mentioned (one) { (1) } or (one) { (2) } by two grades or fourth gear, second motor transfers power to output shaft according to above-mentioned (two) { (1) } or (two) { (2) } by one grade or third gear, then the power of the first motor and the power of the second motor collect at output shaft, and by the main reducing gear driving gear on output shaft, main reducing gear driven gear on differential mechanism and differential mechanism, finally exported by left and right semiaxis.
(2) first motors and electromotor parallel drive route: the first motor transfers power to output shaft according to above-mentioned (one) { (1) } or (one) { (2) } by two grades or fourth gear, electromotor engages clutch, transfer power to the first power shaft, the power of the electromotor power at the first power shaft place Yu the first motor collects, and by two grades or fourth gear, power is transferred to output shaft, and by the main reducing gear driving gear on output shaft, main reducing gear driven gear on differential mechanism and differential mechanism, finally exported by left and right semiaxis.
(3) second motors and electromotor parallel drive route: the second motor transfers power to output shaft according to above-mentioned (two) { (1) } or (two) { (2) } by one grade or third gear, electromotor transfers power to output shaft according to above-mentioned (three) { (1) } or (three) { (2) } by two grades or fourth gear, then the power of electromotor and the power of the second motor collect at output shaft, and by the main reducing gear driving gear on output shaft, main reducing gear driven gear on differential mechanism and differential mechanism, finally exported by left and right semiaxis.
(4) according to the power transmission line of above-mentioned (five) { (1)~(3) }, when the first motor or the second motor become generating state, energy regenerating can be braked.
(6) power transmission line during series-parallel connection work is:
Above-mentioned (four), (five) respectively illustrate the transfer route of tandem drive and parallel drive.When the power transmission line according to above-mentioned (five) { (2) }, the power of electromotor and the first motor collects at the first power shaft place, and is delivered to output shaft by two grades or fourth gear;According to the power transmission line of above-mentioned (two) { (1) } or (two) { (2) }, the power of the second motor is delivered to output shaft by one grade or third gear;Now, the power of electromotor, the first motor and the second motor collects at output shaft, and by the main reducing gear driving gear on output shaft, main reducing gear driven gear on differential mechanism and differential mechanism, is finally exported by left and right semiaxis.When the first motor or/and when the second motor becomes generating state, energy regenerating can be braked or receives the kinetic energy from other power sources.
(7) electromotor start and stop function:
When system is in above-mentioned (five) { (2) } state, by the first motor, electromotor can be realized start and stop.
(8) power failure-free gear shift process:
Third gear is changed for two grades, when electromotor is in above-mentioned (three) { (1) } state or is in above-mentioned (1) { (1) } state when the first motor or is in above-mentioned (five) { (2) } state when electromotor and the first motor, namely electromotor is separately in two grades or the first motor is separately in two grades or electromotor and the first motor and is simultaneously in two grades when carrying out power transmission, second motor is by adjusting torque, enter above-mentioned (two) { (2) } state, namely the second motor is linked into third gear, and carry out direct torque, then power is provided to vehicle, now electromotor or the first motor can stop power transmission, also can proceed with power transmission.
This utility model adopts the dual input shaft structure of the first power shaft and the second power shaft, first power shaft, the second power shaft and output shaft are arranged in parallel, first power shaft can transmit the power from the first motor, it is possible to be connected the power of transmission electromotor with electromotor by clutch;Second power shaft can transmit the power from the second motor;Meanwhile, the power of electromotor separates also by clutch and the first power shaft, and the power of the first motor separates also by two fourth gear lock units and the first power shaft, and the power of the second motor separates also by a third gear lock unit and the second power shaft.This system is except duplex engaging tooth wheels except the second motor shaft constant mesh gear and the second power shaft constant mesh gear, all the other need the driving gear set carrying out gear switch to be all simply connected engaging tooth wheels, can effectively reduce gear engagement noise, improve efficiency, process for machining and manufacturing is simple, and production cost is low.One third gear lock unit and two fourth gear lock units are alternatively gear clutch.This double-motor hybrid drive system can realize all driving conditions of electromotor start and stop, electric-only mode, series model, paralleling model, series-parallel connection pattern, also can realize each power source power failure-free fluid drive, meets the comfortableness driven.
Embodiment described above is only that preferred implementation of the present utility model is described; not scope of the present utility model is defined; under the premise designing spirit without departing from this utility model; various deformation that the technical solution of the utility model is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that this utility model claims are determined.

Claims (5)

1. a double-motor hybrid drive system, including electromotor (1), first motor (2), second motor (3) and parallel shaft transmission, it is characterized in that: described parallel shaft transmission includes the first power shaft (4) being arranged in parallel in casing, second power shaft (5), output shaft (6), second motor shaft (7) and differential mechanism (8), one end of described first power shaft (4) is connected with electromotor (1) by clutch (9), second motor shaft (7) is hollow axle, and second motor shaft (7) by the bearing empty set other end in the first power shaft (4), described output shaft (6) passes sequentially through main reducing gear, differential mechanism (8) connects left and right semiaxis (10);
Described the first power shaft (4) is sequentially provided with the first motor (2), fourth gear driving gear (41), two fourth gear lock units (42) and two grades of driving gears (43), described the second motor shaft (7) is provided with the second motor shaft constant mesh gear (71) and the second motor (3), and two described fourth gear lock units (42) control coupling of the first power shaft (4) and fourth gear driving gear (41) or two grades driving gear (43);
Described the second power shaft (5) is sequentially provided with third speed drive gear (51), a third gear lock unit (52), one grade of driving gear (53) and the second power shaft constant mesh gear (54), a described third gear lock unit (52) controls coupling of the second power shaft (5) and third speed drive gear (51) or a grade driving gear (53), and the second described power shaft constant mesh gear (54) is meshed with the second motor shaft constant mesh gear (71);
Described output shaft (6) is sequentially provided with three fourth gear driven gears (61), main reducing gear driving gear (62) and one or two grades of driven gears (63), three described fourth gear driven gears (61) are meshed with fourth gear driving gear (41) and third speed drive gear (51) respectively, one or two grades of described driven gears (63) are meshed with one grade of driving gear (53) and two grades of driving gears (43) respectively, and described main reducing gear driving gear (62) is meshed with the main reducing gear driven gear (81) arranged on differential mechanism (8).
2. double-motor hybrid drive system according to claim 1, it is characterised in that: a described third gear lock unit (52) and two fourth gear lock units (42) are alternatively gear clutch.
3. double-motor hybrid drive system according to claim 1, it is characterized in that: when described the first motor (2) is as power source, by coordinating of two fourth gear lock units (42) and two grades of driving gears (43) and fourth gear driving gear (41), two grades, fourth gear both drive shifts can be formed, and realize reverse gear by the reversion of the first motor (2).
4. double-motor hybrid drive system according to claim 1, it is characterized in that: when described the second motor (3) is as power source, by coordinating of a third gear lock unit (52) and one grade of driving gear (53) and third speed drive gear (51), one grade, third gear both drive shifts can be formed, and realize reverse gear by the reversion of the second motor (3).
5. double-motor hybrid drive system according to claim 1, it is characterized in that: when described electromotor (1) is as power source, by coordinating of two fourth gear lock units (42) and two grades of driving gears (43) and fourth gear driving gear (41), two grades, fourth gear both drive shifts can be formed, and realize reverse gear by the reversion of the first motor (2).
CN201620153990.7U 2016-03-01 2016-03-01 Bi -motor hybrid synergy drive system Active CN205395750U (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106274461A (en) * 2016-08-26 2017-01-04 苏州凯博易控驱动技术有限公司 Variable speed drive bridge system
CN108674169A (en) * 2018-05-16 2018-10-19 福泰动力有限公司 hybrid power transmission system and automobile
CN109466308A (en) * 2018-11-23 2019-03-15 浙江众泰汽车制造有限公司 Riding Vehicular hybrid power speed change system
CN109606094A (en) * 2018-11-19 2019-04-12 江苏大学 A kind of double-motor hybrid drive system and its control method
CN110005766A (en) * 2018-01-04 2019-07-12 上汽通用汽车有限公司 A kind of hybrid power transmission system, automobile and its control method
CN110307306A (en) * 2019-07-11 2019-10-08 广西玉柴机器股份有限公司 The dynamic power shift gear box system of hybrid series bi-motor
CN111152639A (en) * 2019-12-31 2020-05-15 义乌吉利自动变速器有限公司 Vehicle hybrid power system and vehicle
CN111497590A (en) * 2020-04-16 2020-08-07 东风汽车集团有限公司 Two-gear variable-speed driving system of plug-in hybrid electric vehicle
CN113580918A (en) * 2021-09-02 2021-11-02 崔小雷 Dual-motor hybrid driving system
WO2022011648A1 (en) * 2020-07-16 2022-01-20 舍弗勒技术股份两合公司 Dual-motor hybrid power module and operation method therefor
CN110242409B (en) * 2019-07-11 2022-04-29 广西玉柴机器股份有限公司 Series connection dual-motor global automatic gear shifting transmission system

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106274461B (en) * 2016-08-26 2019-05-07 凯博易控驱动(苏州)股份有限公司 Variable speed drive bridge system
CN106274461A (en) * 2016-08-26 2017-01-04 苏州凯博易控驱动技术有限公司 Variable speed drive bridge system
CN110005766B (en) * 2018-01-04 2022-07-15 上汽通用汽车有限公司 Hybrid power transmission system, automobile and control method of hybrid power transmission system
CN110005766A (en) * 2018-01-04 2019-07-12 上汽通用汽车有限公司 A kind of hybrid power transmission system, automobile and its control method
CN108674169A (en) * 2018-05-16 2018-10-19 福泰动力有限公司 hybrid power transmission system and automobile
CN109606094A (en) * 2018-11-19 2019-04-12 江苏大学 A kind of double-motor hybrid drive system and its control method
CN109466308A (en) * 2018-11-23 2019-03-15 浙江众泰汽车制造有限公司 Riding Vehicular hybrid power speed change system
CN110307306A (en) * 2019-07-11 2019-10-08 广西玉柴机器股份有限公司 The dynamic power shift gear box system of hybrid series bi-motor
CN110307306B (en) * 2019-07-11 2022-02-01 广西玉柴机器股份有限公司 Power gear shifting gearbox system with hybrid power connected with double motors in series
CN110242409B (en) * 2019-07-11 2022-04-29 广西玉柴机器股份有限公司 Series connection dual-motor global automatic gear shifting transmission system
CN111152639B (en) * 2019-12-31 2021-04-27 义乌吉利自动变速器有限公司 Vehicle hybrid power system and vehicle
CN111152639A (en) * 2019-12-31 2020-05-15 义乌吉利自动变速器有限公司 Vehicle hybrid power system and vehicle
CN111497590A (en) * 2020-04-16 2020-08-07 东风汽车集团有限公司 Two-gear variable-speed driving system of plug-in hybrid electric vehicle
WO2022011648A1 (en) * 2020-07-16 2022-01-20 舍弗勒技术股份两合公司 Dual-motor hybrid power module and operation method therefor
CN113580918A (en) * 2021-09-02 2021-11-02 崔小雷 Dual-motor hybrid driving system

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