CN202448744U - Double-motor combination driving device of electric vehicle - Google Patents

Double-motor combination driving device of electric vehicle Download PDF

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Publication number
CN202448744U
CN202448744U CN2011205516386U CN201120551638U CN202448744U CN 202448744 U CN202448744 U CN 202448744U CN 2011205516386 U CN2011205516386 U CN 2011205516386U CN 201120551638 U CN201120551638 U CN 201120551638U CN 202448744 U CN202448744 U CN 202448744U
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combination
gear
synchronizer assembly
inertia synchronizer
input shaft
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CN2011205516386U
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Chinese (zh)
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马勇
刘强
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United Automotive Electronic Systems Co Ltd
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United Automotive Electronic Systems Co Ltd
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Abstract

The application discloses a double-motor combination driving device of an electric vehicle. The double-motor combination driving device comprises a first drive motor, a second drive motor, a first input shaft reduction gear, a second input shaft reduction gear, a first inertia synchronizer assembly and a second inertia synchronizer assembly; each combined gear ring is fixed on each input shaft reduction gear; the two inertia synchronizer assemblies respectively comprise a combined gear sleeve and a lock ring, and the combined gear sleeves are arranged on the output shafts of the drive motors; the lock ring of the first inertia synchronizer assembly slides to drive the combined gear sleeve of the first inertia synchronizer assembly to combine with or separate from the combined gear ring on the first input shaft reduction gear; and the lock ring of the second inertia synchronizer assembly slides to drive the combined gear sleeve of the second inertia synchronizer assembly to combine with or separate from the combined gear ring on the second input shaft reduction gear. The double-motor combination driving device of the electric vehicle can accurately control the work of the two drive motors and improve the power utilization rate of the drive motors.

Description

Battery-driven car double-motor combination driving device
Technical field
The application relates to vehicle technology, particularly a kind of battery-driven car double-motor combination driving device.
Background technology
At present, the actuating device of battery-driven car mainly contains two kinds of forms, and a kind of for mechanical speed change drives, drive motor power generally is delivered to diff through single-stage or two-stage speed-changing gear box, is delivered to wheel again; Another kind of for wheel hub motor drives, motor is installed in direct drive vehicle on the wheel nave.
Wherein, Mechanical speed change drive at present volume production or process use more on the pure electronic manned vehicle of sample vehicle; The single motor of employing adds the drive scheme of one-level or double reductor mostly, but single motor reserve horsepower is often not enough, causes vehicle acceleration and grade climbing performance limited.
One Chinese patent application 200810204587.2 discloses a kind of double-motor power mixing driving device; As shown in Figure 1; Comprise first drive motor 1, second drive motor 3 and the synthetic case of power; First drive motor 1 and second drive motor 3 are connected with the synthetic case of power respectively, and the synthetic case of power comprises clutch end 2, auxiliary power input end 6, casing 8 and places the first interior input gear 4 of casing 8, second input gear 7, output gear 5.First input gear 4 and second input gear 7 respectively with first drive motor 1 and 2 coaxial connections of second drive motor; Two common again and output gear 5 engagements of input gear 4,7 have a bilateral exit on the output gear 5, wherein a side is a clutch end 2, and an other side is an auxiliary power input end 6.First drive motor 1 and second drive motor 3; Its effect provides the mutual conversion that driving power is realized mechanical energy and electric energy; Drive motor can work in and drive and brake different operating modes and can forward and reversely turn round; It is main that motor adopts the torque master mode, and the rotating speed master mode is auxilliary, can between two kinds of patterns, transform.The synthetic case effect of power has two: the gear drive of 1) output of first drive motor 1 and second drive motor 3 being formed through first input gear 4, second input gear 7 and output gear 5 slows down and the moment amplification; And the horsepower output of two motors converged, realize that power flow concentration is by clutch end 2 outputs; 2) with the stack of confluxing of the horsepower output of the input of the auxiliary power of auxiliary power input end 6 and first drive motor 1 and second drive motor 3.
One Chinese patent application 200810204587.2 discloses a kind of double-motor power mixing driving device; Though can guarantee the power demand of vehicle; But can't control two drive motor flexibly to the clutch end outputting power, the degree of utilization of drive motor power is relatively low.
The utility model content
The technical matters that the application will solve provides a kind of battery-driven car double-motor combination driving device, the work of two drive motor of ability accuracy control, the degree of utilization of raising drive motor power.
For solving the problems of the technologies described above; A kind of battery-driven car double-motor combination driving device of the application comprises first drive motor, second drive motor, the first input shaft reducing gear, the second input shaft reducing gear, the first inertia synchronizer assembly, the second inertia synchronizer assembly;
Be fixed with the combination gear ring respectively on two input shaft reducing gear;
Two inertia synchronizer assemblies comprise combination tooth cover, lock ring respectively, and the combination tooth of the first inertia synchronizer assembly is set on the output shaft of first drive motor, and the combination tooth of the second inertia synchronizer assembly is set on the output shaft of second drive motor;
The lock ring slip of the first inertia synchronizer assembly makes the combination tooth cover of the first inertia synchronizer assembly combine with the combination gear ring on the first input shaft reducing gear or separates; The lock ring slip of the second inertia synchronizer assembly makes the combination tooth cover of the second inertia synchronizer assembly combine with the combination gear ring on the second input shaft reducing gear or separates.
Preferable, said first drive motor, second drive motor are identical, output shaft positioned opposite and with one heart, and output shaft is terminal adjoining and do not contact.
Battery-driven car double-motor combination driving device can also comprise housing, tween drive shaft reducing gear, main reduction gear, differential assembly;
Two input shaft reducing gear mesh with said tween drive shaft reducing gear respectively;
Said tween drive shaft reducing gear is captiveed joint with the main reduction gear gear through tween drive shaft;
Gear mesh on said main reduction gear gear and the differential assembly;
The output shaft of the said first input shaft reducing gear, the second input shaft reducing gear, the first inertia synchronizer assembly, the second inertia synchronizer assembly, tween drive shaft reducing gear, main reduction gear, differential assembly, two drive motor is terminal mutually in housing.
Battery-driven car double-motor combination driving device can also comprise the lock ring control module;
Said lock ring control module is used for according to drive motor temperature, the speed of a motor vehicle, vehicle torque demand, and the lock ring of two inertia synchronizer assemblies of control slides.
Said vehicle torque demand can from Body control module or manually the shift transmission control fork and the shift shaft position of using obtain.
When vehicle torque demand during greater than the moment of torsion threshold values; Said lock ring control module; The lock ring that can control the first inertia synchronizer assembly slides; The combination tooth cover of the first inertia synchronizer assembly is combined with the combination gear ring on the first input shaft reducing gear, and the lock ring of controlling the second inertia synchronizer assembly slides, and the combination tooth cover of the second inertia synchronizer assembly is combined with the combination gear ring on the second input shaft reducing gear.
At the uniform velocity going and vehicle torque demand during smaller or equal to the moment of torsion threshold values; Said lock ring control module; The lock ring that can control the first inertia synchronizer assembly, the second inertia synchronizer assembly slides; The combination tooth cover of one of them inertia synchronizer assembly is combined with the combination gear ring on the corresponding input shaft reducing gear, the combination tooth cover of another inertia synchronizer assembly is separated with the combination gear ring on the corresponding input shaft reducing gear.
At the uniform velocity going and vehicle torque demand during smaller or equal to the moment of torsion threshold values; Said lock ring control module; The lock ring that can control the first inertia synchronizer assembly, the second inertia synchronizer assembly slides; By setting-up time the combination tooth cover of one of them inertia synchronizer assembly is combined with the combination gear ring on the corresponding input shaft reducing gear, the combination tooth cover of another inertia synchronizer assembly is separated with the combination gear ring on the corresponding input shaft reducing gear.
When the drive motor temperature is higher than the temperature threshold values; Said lock ring control module; The lock ring that can control the corresponding inertia synchronizer assembly of this drive motor slides, and the combination tooth cover of this inertia synchronizer assembly is separated with the combination gear ring on the corresponding input shaft reducing gear.
The application's battery-driven car double-motor combination driving device; Between two drive motor are with corresponding input shaft reducing gear, the inertia synchronizer assembly is set respectively; Lock ring through two inertia synchronizer assemblies of lock ring control module control slides, and can control the mode of operation of two drive motor according to operating mode flexibly, can not only guarantee the power demand of vehicle; Work that can also two drive motor of accuracy control has improved the degree of utilization of drive motor power.
Description of drawings
In order to be illustrated more clearly in the application's technical scheme; Do simple the introduction in the face of the accompanying drawing of the required use of the application down; Obviously, the accompanying drawing in describing below only is some embodiment of the application, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is one Chinese patent application 200810204587.2 disclosed a kind of double-motor power mixing driving devices;
Fig. 2 is the application's battery-driven car double-motor combination driving device one an embodiment scheme drawing.
The specific embodiment
To combine the accompanying drawing among the application embodiment below, the technical scheme among the application embodiment is carried out clear, intactly description, obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Should be appreciated that preferred embodiment described herein only is used for explanation and explains the application, and be not used in qualification the application.And under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Based on the embodiment among the application, the every other embodiment that those of ordinary skills obtained belongs to the scope that the application protects.
The application's battery-driven car double-motor combination driving device one embodiment is as shown in Figure 2, comprises housing 1, first drive motor 2, second drive motor 3, the first input shaft reducing gear 4, the second input shaft reducing gear 5, the first inertia synchronizer assembly 6, the second inertia synchronizer assembly 7, lock ring control module, tween drive shaft reducing gear 8, main reduction gear 9 and differential assembly 10;
Said first drive motor 2, second drive motor 3, output shaft positioned opposite and with one heart, the output shaft end is adjoining and do not contact in housing 1, and preferable, first drive motor 2 is identical with second drive motor 3;
Be fixed with the combination gear ring respectively on two input shaft reducing gear 4,5, can make up or be cast as one in conjunction with gear ring and input shaft reducing gear 4,5;
Two inertia synchronizer assemblies 6; 7 comprise combination tooth cover, lock ring respectively; The combination tooth of the first inertia synchronizer assembly 6 is set on the output shaft of first drive motor 2, and the combination tooth of the second inertia synchronizer assembly 7 is set on the output shaft of second drive motor 3;
The lock ring slip of the first inertia synchronizer assembly 6 makes the combination tooth cover of the first inertia synchronizer assembly 6 combine with the combination gear ring on the first input shaft reducing gear 4 or separates, thereby realizes transmission or the cut-out of the output shaft of first drive motor 2 to the power of the first input shaft reducing gear 4; The lock ring slip of the second inertia synchronizer assembly 7 makes the combination tooth cover of the second inertia synchronizer assembly 7 combine with the combination gear ring on the second input shaft reducing gear 5 or separates, thereby realizes transmission or the cut-out of the output shaft of second drive motor 2 to the power of the second input shaft reducing gear 4;
Two input shaft reducing gear 4,5 mesh with tween drive shaft reducing gear 8 respectively;
Said tween drive shaft reducing gear 8 is captiveed joint with main reduction gear gear 9 through tween drive shaft;
Said main reduction gear gear 9 is accomplished transmission of power with the gear mesh on the differential assembly 10.
The output shaft of the said first input shaft reducing gear 4, the second input shaft reducing gear 5, the first inertia synchronizer assembly 6, the second inertia synchronizer assembly 7, tween drive shaft reducing gear 8, main reduction gear 9, differential assembly 10, two drive motor is terminal mutually in housing;
Said lock ring control module; Be used for according to drive motor temperature, the speed of a motor vehicle, vehicle torque demand, the lock ring of two inertia synchronizer assemblies of control slides, thereby controls two drive motor 2; The transmission or the cut-out of the power of 3 output shaft to two an input shaft reducing gear 4,5; The vehicle torque demand can from ECU (Body control module) or manually the shift transmission control fork and the shift shaft position of using obtain;
Said lock ring control module is following to the mode of the lock ring of inertia synchronizer assembly:
When vehicle torque demand during (like vehicle start and climbing etc. need be than the operating mode of heavy load the time) greater than the moment of torsion threshold values; Said lock ring control module; The lock ring of controlling the first inertia synchronizer assembly 6 slides; The combination tooth cover of the first inertia synchronizer assembly 6 is combined with the combination gear ring on the first input shaft reducing gear 4, thereby realize of the transmission of the output shaft of first drive motor 2 to the power of the first input shaft reducing gear 4; The lock ring of controlling the second inertia synchronizer assembly 7 slides; The combination tooth cover of the second inertia synchronizer assembly 7 is combined with the combination gear ring on the second input shaft reducing gear 5, thereby realize of the transmission of the output shaft of second drive motor 2 to the power of the second input shaft reducing gear 4; This moment (can be set to default conditions) when the vehicle torque demand is big, two inertia synchronizers 6,7 all are in bonding state, two 2,3 while of drive motor powered vehicle;
At the uniform velocity going and vehicle torque demand during smaller or equal to the moment of torsion threshold values; Said lock ring control module; The lock ring of controlling the first inertia synchronizer assembly 6, the second inertia synchronizer assembly 7 slides; The combination tooth cover of one of them inertia synchronizer assembly is combined with the combination gear ring on the corresponding input shaft reducing gear; The combination tooth cover of another inertia synchronizer assembly is separated with the combination gear ring on the corresponding input shaft reducing gear, thereby only realize that output shaft with a drive motor is to input shaft reducing gear transferring power; Preferable; At the uniform velocity going and vehicle torque demand during smaller or equal to the moment of torsion threshold values; Said lock ring control module; The lock ring of controlling the first inertia synchronizer assembly 6, the second inertia synchronizer assembly 7 slides; By setting-up time the combination tooth cover of one of them inertia synchronizer assembly is combined with the combination gear ring on the corresponding input shaft reducing gear, the combination tooth cover of another inertia synchronizer assembly separates with the combination gear ring on the corresponding input shaft reducing gear, thereby the wheel output shaft of realizing two drive motor flows to input shaft reducing gear transferring power;
When the drive motor temperature is higher than the temperature threshold values; Said lock ring control module; The lock ring of controlling the corresponding inertia synchronizer assembly of this drive motor slides; The combination tooth cover of this inertia synchronizer assembly is separated with the combination gear ring on the corresponding input shaft reducing gear, the output shaft of this drive motor is stopped to input shaft reducing gear transferring power.
The application's battery-driven car double-motor combination driving device; Between two drive motor are with corresponding input shaft reducing gear, the inertia synchronizer assembly is set respectively; Lock ring through two inertia synchronizer assemblies of lock ring control module control slides, and can control the mode of operation of two drive motor according to operating mode flexibly, can not only guarantee the power demand of vehicle; Work that can also two drive motor of accuracy control has improved the degree of utilization of drive motor power.
The above is merely the application's preferred embodiment, and is in order to restriction the application, not all within the application's spirit and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the application protects.

Claims (8)

1. a battery-driven car double-motor combination driving device is characterized in that, comprises first drive motor, second drive motor, the first input shaft reducing gear, the second input shaft reducing gear, the first inertia synchronizer assembly, the second inertia synchronizer assembly;
Be fixed with the combination gear ring respectively on two input shaft reducing gear;
Two inertia synchronizer assemblies comprise combination tooth cover, lock ring respectively, and the combination tooth of the first inertia synchronizer assembly is set on the output shaft of first drive motor, and the combination tooth of the second inertia synchronizer assembly is set on the output shaft of second drive motor;
The lock ring slip of the first inertia synchronizer assembly makes the combination tooth cover of the first inertia synchronizer assembly combine with the combination gear ring on the first input shaft reducing gear or separates; The lock ring slip of the second inertia synchronizer assembly makes the combination tooth cover of the second inertia synchronizer assembly combine with the combination gear ring on the second input shaft reducing gear or separates.
2. battery-driven car double-motor combination driving device according to claim 1 is characterized in that,
Said first drive motor, second drive motor are identical, output shaft positioned opposite and with one heart, and output shaft is terminal adjoining and do not contact.
3. battery-driven car double-motor combination driving device according to claim 1 is characterized in that battery-driven car double-motor combination driving device also comprises housing, tween drive shaft reducing gear, main reduction gear, differential assembly;
Two input shaft reducing gear mesh with said tween drive shaft reducing gear respectively;
Said tween drive shaft reducing gear is captiveed joint with the main reduction gear gear through tween drive shaft;
Gear mesh on said main reduction gear gear and the differential assembly;
The output shaft of the said first input shaft reducing gear, the second input shaft reducing gear, the first inertia synchronizer assembly, the second inertia synchronizer assembly, tween drive shaft reducing gear, main reduction gear, differential assembly, two drive motor is terminal mutually in housing.
3. battery-driven car double-motor combination driving device according to claim 1 and 2 is characterized in that battery-driven car double-motor combination driving device also comprises the lock ring control module;
Said lock ring control module is used for according to drive motor temperature, the speed of a motor vehicle, vehicle torque demand, and the lock ring of two inertia synchronizer assemblies of control slides.
4. battery-driven car double-motor combination driving device according to claim 3 is characterized in that,
Said vehicle torque demand from Body control module or manually the shift transmission control fork and the shift shaft position of using obtain.
5. battery-driven car double-motor combination driving device according to claim 3 is characterized in that,
When vehicle torque demand during greater than the moment of torsion threshold values; Said lock ring control module; The lock ring of controlling the first inertia synchronizer assembly slides; The combination tooth cover of the first inertia synchronizer assembly is combined with the combination gear ring on the first input shaft reducing gear, and the lock ring of controlling the second inertia synchronizer assembly slides, and the combination tooth cover of the second inertia synchronizer assembly is combined with the combination gear ring on the second input shaft reducing gear.
6. battery-driven car double-motor combination driving device according to claim 3 is characterized in that,
At the uniform velocity going and vehicle torque demand during smaller or equal to the moment of torsion threshold values; Said lock ring control module; The lock ring of controlling the first inertia synchronizer assembly, the second inertia synchronizer assembly slides; The combination tooth cover of one of them inertia synchronizer assembly is combined with the combination gear ring on the corresponding input shaft reducing gear, the combination tooth cover of another inertia synchronizer assembly is separated with the combination gear ring on the corresponding input shaft reducing gear.
7. battery-driven car double-motor combination driving device according to claim 3; It is characterized in that; At the uniform velocity going and vehicle torque demand during smaller or equal to the moment of torsion threshold values; Said lock ring control module; The lock ring of controlling the first inertia synchronizer assembly, the second inertia synchronizer assembly slides, and by setting-up time the combination tooth cover of one of them inertia synchronizer assembly is combined with the combination gear ring on the corresponding input shaft reducing gear, and the combination tooth cover of another inertia synchronizer assembly is separated with the combination gear ring on the corresponding input shaft reducing gear.
8. battery-driven car double-motor combination driving device according to claim 3; It is characterized in that; When the drive motor temperature is higher than the temperature threshold values; Said lock ring control module, the lock ring of controlling the corresponding inertia synchronizer assembly of this drive motor slides, and the combination tooth cover of this inertia synchronizer assembly is separated with the combination gear ring on the corresponding input shaft reducing gear.
CN2011205516386U 2011-12-26 2011-12-26 Double-motor combination driving device of electric vehicle Active CN202448744U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103770639A (en) * 2013-12-12 2014-05-07 袁一卿 Electric power assembly applied to purely-electric vehicle
CN104290582A (en) * 2014-09-15 2015-01-21 杨升 Double-motor driven electric automobile transmission
CN104709081A (en) * 2015-04-09 2015-06-17 王德伦 Double-motor electric car power device and electric car provided with same
CN106051147A (en) * 2016-08-10 2016-10-26 河北工业大学 Electric automobile transmission
CN106274460A (en) * 2015-05-29 2017-01-04 上海汽车集团股份有限公司 The electricity of dual-motor electric vehicle drives controller of gear-boxes and method
CN107985068A (en) * 2017-11-28 2018-05-04 合肥工业大学 A kind of power assembly and its operating mode of pure electric automobile bi-motor configuration

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103770639A (en) * 2013-12-12 2014-05-07 袁一卿 Electric power assembly applied to purely-electric vehicle
CN104290582A (en) * 2014-09-15 2015-01-21 杨升 Double-motor driven electric automobile transmission
CN104709081A (en) * 2015-04-09 2015-06-17 王德伦 Double-motor electric car power device and electric car provided with same
CN106274460A (en) * 2015-05-29 2017-01-04 上海汽车集团股份有限公司 The electricity of dual-motor electric vehicle drives controller of gear-boxes and method
CN106274460B (en) * 2015-05-29 2019-12-10 上海汽车集团股份有限公司 electric drive transmission control device and method for dual-motor electric vehicle
CN106051147A (en) * 2016-08-10 2016-10-26 河北工业大学 Electric automobile transmission
CN107985068A (en) * 2017-11-28 2018-05-04 合肥工业大学 A kind of power assembly and its operating mode of pure electric automobile bi-motor configuration

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