CN105438007A - Electric vehicle driving device - Google Patents
Electric vehicle driving device Download PDFInfo
- Publication number
- CN105438007A CN105438007A CN201510876178.7A CN201510876178A CN105438007A CN 105438007 A CN105438007 A CN 105438007A CN 201510876178 A CN201510876178 A CN 201510876178A CN 105438007 A CN105438007 A CN 105438007A
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- limited slip
- slip differential
- drive motor
- wheel
- controller
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Abstract
The invention discloses an electric vehicle driving device which comprises a battery pack, a front driving motor, a rear driving motor, a driving motor controller, a front transmission shaft, a rear transmission shaft, a front axle limited slip differential, a rear axle limited slip differential, a front transmission semi-shaft, a rear transmission semi-shaft, a front wheel, a front wheel brake, a rear wheel, a rear wheel brake, an entire vehicle controller, an accelerator pedal sensor, a brake pedal sensor, a steering system sensor, an electronic gear sensor and a vehicle speed sensor. According to the invention, by adopting two driving motors for driving in a matched mode, the driving efficiency of the driving motors is greatly improved; and by adopting an integrated driving motor controller instead of a clutch device, mechanical devices of an electric vehicle are reduced, and the management control capability of a driver for switching a front-drive mode, a rear-drive mode and a four-drive mode is increased.
Description
[technical field]
The present invention relates to the technical field of electronlmobil, particularly a kind of technical field of electric automobile driving apparatus.
[background technology]
Electronlmobil (BEV) refers to vehicle power to be power, wheels travel is driven with motor, meet arteries of communication, the vehicle of legislative control on safety requirements, due to less relative to orthodox car to environmental concerns, its prospect is extensively had an optimistic view of, what the driving of existing electronlmobil generally adopted is a drive motor, or four wheel hub motors carry out driving, only adopt the electronlmobil of a drive motor, there is driving power difference, the shortcomings such as crossing ability difference, the wheel integrated level of employing four wheel hub motor electronlmobils is higher and weight is larger, therefore pole is unfavorable for maintenance and changes.
[summary of the invention]
Object of the present invention solves the problems of the prior art exactly, proposes a kind of electric automobile driving apparatus, and the present invention not only drives the strong but also maintenance of effective, crossing ability and convenient.
For achieving the above object, the present invention proposes a kind of electric automobile driving apparatus, comprise battery pack, before driving motor, rear drive motor, drive motor controller, front propeller shaft, rear propeller shaft, propons Limited slip differential, back axle Limited slip differential, driving front semiaxis, rear jackshaft, front-wheel, front-wheel brake, trailing wheel, rear wheel brake, entire car controller, accelerator pedal sensor, brake pedal sensor, steering swivel system sensor, electronic gear sensor and car speed sensor, described battery pack is directly connected with entire car controller by wire, described drive motor controller is directly connected with entire car controller with signal transmssion line by wire, described before driving motor and rear drive motor are by wire and signal transmssion line is direct and drive motor controller, described propons Limited slip differential is connected with before driving electromechanics by front propeller shaft, described front-wheel by driving front semiaxis directly and propons Limited slip differential be mechanically connected, described back axle Limited slip differential is connected with rear drive electromechanics by rear propeller shaft, described trailing wheel by rear jackshaft directly and back axle Limited slip differential be mechanically connected, described front-wheel brake is directly installed on front-wheel, described rear wheel brake is directly installed on trailing wheel, described front-wheel brake is connected with entire car controller with signal transmssion line respectively by wire with rear wheel brake, described accelerator pedal sensor, brake pedal sensor, steering swivel system sensor, electronic gear sensor is connected with entire car controller with signal transmssion line respectively by wire with car speed sensor.
As preferably, described battery pack is by a kind of set in the storage batterys such as sodium-sulfur battery, nickel-cadmium cell, lithium cell, gas battery.
As preferably, the quantity of described driving front semiaxis and rear jackshaft is two, and described drive motor controller is the integrated electric machine controller being, described drive motor controller controls before driving motor and rear drive motor respectively.
As preferably, described propons Limited slip differential and back axle Limited slip differential are the one in the LSD Limited slip differential such as torque sensing type LSD Limited slip differential, glutinous coupled mode LSD Limited slip differential, screw gear type LSD Limited slip differential, standard mechanical LSD Limited slip differential.
As preferably, electronlmobil by controlling drive motor controller, can be switched to four-wheel driven electric vehicle, forerunner's battery-driven car and rear-guard battery-driven car by described entire car controller.
As preferably, described before driving motor and rear drive motor are the one in permanent-magnet brushless DC electric machine, induction motor (IM), switched reluctance motor or alternating current dynamo.
As preferably, power is reasonably distributed to two front-wheels by propons Limited slip differential by described before driving motor, and power is reasonably distributed to two trailing wheels by back axle Limited slip differential by described rear drive motor.
As preferably, described front-wheel brake and rear wheel brake are also provided with brake accumulator.
Beneficial effect of the present invention: the present invention coordinates by employing two drive motor the mode driven, thus substantially increase the drive efficiency of drive motor, the present invention replaces clutch equipment by employing integrated driving electric machine controller, the management and control ability that driver switches forerunner's pattern, rear-guard pattern, 4 wheel driven pattern is turn increased while decreasing automotive dynamoelectric machine device, the present invention also by adopting LSD Limited slip differential to replace traditional diff, thus makes electronlmobil when turning no longer premised on loss speed.
Feature of the present invention and advantage will be described in detail by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the structural representation of a kind of electric automobile driving apparatus of the present invention;
In figure: 1-battery pack, 2-before driving motor, 3-rear drive motor, 4-drive motor controller, 5-front propeller shaft, 6-rear propeller shaft, 7-propons Limited slip differential, 8-back axle Limited slip differential, 9-driving front semiaxis, jackshaft after 10-, 11-front-wheel, 12-front-wheel brake, 13-trailing wheel, 14-rear wheel brake, 15-entire car controller, 16-accelerator pedal sensor, 17-brake pedal sensor, 18-steering swivel system sensor, 19-electronic gear sensor, 20-car speed sensor.
[detailed description of the invention]
Consult Fig. 1, a kind of electric automobile driving apparatus of the present invention, comprises battery pack 1, before driving motor 2, rear drive motor 3, drive motor controller 4, front propeller shaft 5, rear propeller shaft 6, propons Limited slip differential 7, back axle Limited slip differential 8, driving front semiaxis 9, rear jackshaft 10, front-wheel 11, front-wheel brake 12, trailing wheel 13, rear wheel brake 14, entire car controller 15, accelerator pedal sensor 16, brake pedal sensor 17, steering swivel system sensor 18, electronic gear sensor 19 and car speed sensor 20, described battery pack 1 is directly connected with entire car controller 15 by wire, described drive motor controller 4 is directly connected with entire car controller 15 with signal transmssion line by wire, described before driving motor 2 and rear drive motor 3 are by wire and signal transmssion line is direct and drive motor controller 4, described propons Limited slip differential 7 is mechanically connected by front propeller shaft 5 and before driving motor 2, described front-wheel 11 by driving front semiaxis 9 directly and propons Limited slip differential 7 be mechanically connected, described back axle Limited slip differential 8 is mechanically connected by rear propeller shaft 6 and rear drive motor 3, described trailing wheel 13 by rear jackshaft 10 directly and back axle Limited slip differential 8 be mechanically connected, described front-wheel brake 12 is directly installed on front-wheel 11, described rear wheel brake 14 is directly installed on trailing wheel 13, described front-wheel brake 12 is connected with entire car controller 15 with signal transmssion line respectively by wire with rear wheel brake 14, described accelerator pedal sensor 16, brake pedal sensor 17, steering swivel system sensor 18, electronic gear sensor 19 is connected with entire car controller 15 with signal transmssion line respectively by wire with car speed sensor 20, and described battery pack 1 is by sodium-sulfur battery, nickel-cadmium cell, lithium cell, a kind of set in the storage batterys such as gas battery, the quantity of described driving front semiaxis 9 and rear jackshaft 10 is two, described drive motor controller 4 is the integrated electric machine controller being, described drive motor controller 4 controls before driving motor 2 and rear drive motor 3 respectively, and described propons Limited slip differential 7 and back axle Limited slip differential 8 are torque sensing type LSD Limited slip differential, glutinous coupled mode LSD Limited slip differential, screw gear type LSD Limited slip differential, one in the LSD Limited slip differentials such as standard mechanical LSD Limited slip differential, electronlmobil by controlling drive motor controller 4, can be switched to four-wheel driven electric vehicle by described entire car controller 15, forerunner's battery-driven car and rear-guard battery-driven car, described before driving motor 2 and rear drive motor 3 are permanent-magnet brushless DC electric machine, induction motor (IM), one in switched reluctance motor or alternating current dynamo, power is reasonably distributed to two front-wheels 11 by propons Limited slip differential 7 by described before driving motor 2, power is reasonably distributed to two trailing wheels 13 by back axle Limited slip differential 8 by described rear drive motor 3, and described front-wheel brake 12 and rear wheel brake 14 are also provided with brake accumulator.
Working process of the present invention:
A kind of electric automobile driving apparatus of the present invention in the course of the work, first controls drive motor controller 4 by entire car controller 15, starts one of them in before driving motor 2 and rear drive motor 3 or before driving motor 2 and rear drive motor.When automobile is in forerunner's pattern: by before driving motor 2 by front propeller shaft 5, by transmission of power to propons Limited slip differential 7, and then have propons Limited slip differential 7 propulsive effort reasonably to be distributed to two driving front semiaxis 9, thus drive front-wheel 11 and whole automobile traveling.When automobile is in rear-guard pattern: by rear drive motor 3 by rear front propeller shaft 6, by transmission of power to back axle Limited slip differential 8, and then jackshaft 10 after having back axle Limited slip differential 8 that propulsive effort is reasonably distributed to two, thus drive trailing wheel 13 and whole automobile traveling.When automobile is in 4 wheel driven pattern, front-wheel 11 and trailing wheel 13 is synchronously driven to walk with forerunner's motivation 2 and rear drive motor 3, as long as when automobile needs to start front-wheel brake 12 and rear wheel brake 14 by entire car controller 15 during brake simultaneously.
The present invention coordinates by employing two drive motor the mode driven, thus substantially increase the drive efficiency of drive motor, the present invention replaces clutch equipment by employing integrated driving electric machine controller, the management and control ability that driver switches forerunner's pattern, rear-guard pattern, 4 wheel driven pattern is turn increased while decreasing automotive dynamoelectric machine device, the present invention also by adopting LSD Limited slip differential to replace traditional diff, thus makes electronlmobil when turning no longer premised on loss speed.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, anyly all belongs to protection scope of the present invention to the scheme after simple transformation of the present invention.
Claims (8)
1. an electric automobile driving apparatus, it is characterized in that: comprise battery pack (1), before driving motor (2), rear drive motor (3), drive motor controller (4), front propeller shaft (5), rear propeller shaft (6), propons Limited slip differential (7), back axle Limited slip differential (8), driving front semiaxis (9), rear jackshaft (10), front-wheel (11), front-wheel brake (12), trailing wheel (13), rear wheel brake (14), entire car controller (15), accelerator pedal sensor (16), brake pedal sensor (17), steering swivel system sensor (18), electronic gear sensor (19) and car speed sensor (20), described battery pack (1) is directly connected with entire car controller (15) by wire, described drive motor controller (4) is directly connected with entire car controller (15) with signal transmssion line by wire, described before driving motor (2) and rear drive motor (3) are by wire and signal transmssion line is direct and drive motor controller (4), described propons Limited slip differential (7) is mechanically connected by front propeller shaft (5) and before driving motor (2), described front-wheel (11) by driving front semiaxis (9) directly and propons Limited slip differential (7) be mechanically connected, described back axle Limited slip differential (8) is mechanically connected by rear propeller shaft (6) and rear drive motor (3), described trailing wheel (13) by rear jackshaft (10) directly and back axle Limited slip differential (8) be mechanically connected, described front-wheel brake (12) is directly installed on front-wheel (11), described rear wheel brake (14) is directly installed on trailing wheel (13), described front-wheel brake (12) is connected with entire car controller (15) with signal transmssion line respectively by wire with rear wheel brake (14), described accelerator pedal sensor (16), brake pedal sensor (17), steering swivel system sensor (18), electronic gear sensor (19) is connected with entire car controller (15) with signal transmssion line respectively by wire with car speed sensor (20).
2. a kind of electric automobile driving apparatus as claimed in claim 1, is characterized in that: described battery pack (1) is by a kind of set in the storage batterys such as sodium-sulfur battery, nickel-cadmium cell, lithium cell, gas battery.
3. a kind of electric automobile driving apparatus as claimed in claim 1, it is characterized in that: the quantity of described driving front semiaxis (9) and rear jackshaft (10) is two, described drive motor controller (4) is the integrated electric machine controller being, described drive motor controller (4) controls before driving motor (2) and rear drive motor (3) respectively.
4. a kind of electric automobile driving apparatus as claimed in claim 1, is characterized in that: the one in the LSD Limited slip differentials such as described propons Limited slip differential (7) and back axle Limited slip differential (8) are torque sensing type LSD Limited slip differential, glutinous coupled mode LSD Limited slip differential, screw gear type LSD Limited slip differential, standard mechanical LSD Limited slip differential.
5. a kind of electric automobile driving apparatus as claimed in claim 1, it is characterized in that: electronlmobil by controlling drive motor controller (4), can be switched to four-wheel driven electric vehicle, forerunner's battery-driven car and rear-guard battery-driven car by described entire car controller (15).
6. a kind of electric automobile driving apparatus as claimed in claim 1, is characterized in that: described before driving motor (2) and rear drive motor (3) are permanent-magnet brushless DC electric machine, one in induction motor (IM), switched reluctance motor or alternating current dynamo.
7. a kind of electric automobile driving apparatus as claimed in claim 1, it is characterized in that: power is reasonably distributed to two front-wheels (11) by propons Limited slip differential (7) by described before driving motor (2), power is reasonably distributed to two trailing wheels (13) by back axle Limited slip differential (8) by described rear drive motor (3).
8. a kind of electric automobile driving apparatus as claimed in claim 1, is characterized in that: described front-wheel brake (12) and rear wheel brake (14) are also provided with brake accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510876178.7A CN105438007A (en) | 2015-12-03 | 2015-12-03 | Electric vehicle driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510876178.7A CN105438007A (en) | 2015-12-03 | 2015-12-03 | Electric vehicle driving device |
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| CN105438007A true CN105438007A (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510876178.7A Pending CN105438007A (en) | 2015-12-03 | 2015-12-03 | Electric vehicle driving device |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106004522A (en) * | 2016-07-11 | 2016-10-12 | 电子科技大学中山学院 | Control system of electric automobile driving device |
| CN107234984A (en) * | 2017-06-14 | 2017-10-10 | 江苏林海动力机械集团有限公司 | A kind of electric car four-wheel drive automatic switchover system |
| CN107839672A (en) * | 2017-11-16 | 2018-03-27 | 吉林大学 | A kind of air-pressure brake energy-recuperation system and its control method |
| CN108297736A (en) * | 2017-12-27 | 2018-07-20 | 安徽融智天骏新能源汽车有限公司 | A kind of bi-motor distributed-driving electric automobile and motor control strategy |
| CN108621861A (en) * | 2018-04-17 | 2018-10-09 | 德威(苏州)新能源有限公司 | A kind of electric vehicle of the intelligent and high-efficiency safety of dual-motor combination takes turns control method entirely |
| CN109017638A (en) * | 2018-09-13 | 2018-12-18 | 领途汽车有限公司 | A kind of four-wheel-driven control system of new-energy automobile |
| CN110481341A (en) * | 2019-08-28 | 2019-11-22 | 宜宾凯翼汽车有限公司 | A kind of electric car dual-motor drive system and its control method |
| CN111483945A (en) * | 2020-04-14 | 2020-08-04 | 中国煤炭科工集团太原研究院有限公司 | Pure electric 80-ton shovel plate type support carrier |
| CN111634283A (en) * | 2020-06-05 | 2020-09-08 | 广州慧巴科技有限公司 | Hybrid brake control system and method thereof |
| CN112009261A (en) * | 2019-05-30 | 2020-12-01 | 上海汽车变速器有限公司 | Control method based on EV front-rear drive intelligent coordination drive system |
| CN112092613A (en) * | 2020-09-18 | 2020-12-18 | 中国第一汽车股份有限公司 | Four-wheel drive pure electric vehicle power system |
| CN112519595A (en) * | 2020-12-22 | 2021-03-19 | 上海鑫国动力科技有限公司 | Series double-motor power system |
| CN115264046A (en) * | 2022-06-23 | 2022-11-01 | 中国第一汽车股份有限公司 | Vehicle control method and control device with dog clutch |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106004522B (en) * | 2016-07-11 | 2018-04-27 | 电子科技大学中山学院 | Control system of electric automobile driving device |
| CN106004522A (en) * | 2016-07-11 | 2016-10-12 | 电子科技大学中山学院 | Control system of electric automobile driving device |
| CN107234984A (en) * | 2017-06-14 | 2017-10-10 | 江苏林海动力机械集团有限公司 | A kind of electric car four-wheel drive automatic switchover system |
| CN107234984B (en) * | 2017-06-14 | 2023-12-19 | 江苏林海动力机械集团有限公司 | Four-wheel drive automatic switching system of electric vehicle |
| CN107839672A (en) * | 2017-11-16 | 2018-03-27 | 吉林大学 | A kind of air-pressure brake energy-recuperation system and its control method |
| CN108297736A (en) * | 2017-12-27 | 2018-07-20 | 安徽融智天骏新能源汽车有限公司 | A kind of bi-motor distributed-driving electric automobile and motor control strategy |
| CN108621861A (en) * | 2018-04-17 | 2018-10-09 | 德威(苏州)新能源有限公司 | A kind of electric vehicle of the intelligent and high-efficiency safety of dual-motor combination takes turns control method entirely |
| CN109017638A (en) * | 2018-09-13 | 2018-12-18 | 领途汽车有限公司 | A kind of four-wheel-driven control system of new-energy automobile |
| CN112009261A (en) * | 2019-05-30 | 2020-12-01 | 上海汽车变速器有限公司 | Control method based on EV front-rear drive intelligent coordination drive system |
| CN110481341A (en) * | 2019-08-28 | 2019-11-22 | 宜宾凯翼汽车有限公司 | A kind of electric car dual-motor drive system and its control method |
| CN111483945A (en) * | 2020-04-14 | 2020-08-04 | 中国煤炭科工集团太原研究院有限公司 | Pure electric 80-ton shovel plate type support carrier |
| CN111634283B (en) * | 2020-06-05 | 2021-11-12 | 广州慧巴科技有限公司 | Hybrid brake control system and method thereof |
| CN111634283A (en) * | 2020-06-05 | 2020-09-08 | 广州慧巴科技有限公司 | Hybrid brake control system and method thereof |
| CN112092613A (en) * | 2020-09-18 | 2020-12-18 | 中国第一汽车股份有限公司 | Four-wheel drive pure electric vehicle power system |
| CN112092613B (en) * | 2020-09-18 | 2022-01-25 | 中国第一汽车股份有限公司 | Four-wheel drive pure electric vehicle power system |
| CN112519595A (en) * | 2020-12-22 | 2021-03-19 | 上海鑫国动力科技有限公司 | Series double-motor power system |
| CN115264046A (en) * | 2022-06-23 | 2022-11-01 | 中国第一汽车股份有限公司 | Vehicle control method and control device with dog clutch |
| CN115264046B (en) * | 2022-06-23 | 2024-03-15 | 中国第一汽车股份有限公司 | Vehicle control method and device with dog clutch |
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Application publication date: 20160330 |