CN200984967Y - Mixed power vehicle driving system - Google Patents
Mixed power vehicle driving system Download PDFInfo
- Publication number
- CN200984967Y CN200984967Y CNU2006201751013U CN200620175101U CN200984967Y CN 200984967 Y CN200984967 Y CN 200984967Y CN U2006201751013 U CNU2006201751013 U CN U2006201751013U CN 200620175101 U CN200620175101 U CN 200620175101U CN 200984967 Y CN200984967 Y CN 200984967Y
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- China
- Prior art keywords
- power
- motor
- differential mechanism
- electric motor
- driving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
- F16H3/727—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model provides a driving system of hybrid power car, comprising an engine, a dynamo, an electric motor, a differential mechanism, a transmission device and a power source; wherein, the power source in arranged between the dynamo and the electric motor; the planet carrier of the differential mechanism is connected with the output shaft of the electric motor and the left axle shaft gear of the differential mechanism is connected with the rotor of the electric motor while the right axle shaft gear of the differential mechanism is in connection with the rotor of the electric motor and the transmission device. The power of the dynamo is delivered to the planet carrier of the electric motor, and then the power is divided into two mass, one mass is delivered to the rotor of the electric motor through the left axle shaft gear to drive the dynamo to generate electricity, and the other mass is delivered to the transmission device through the right axle shaft gear to run the automobile. The utility model can adjust the rev of the electric motor rotor to adjust the power if the dynamo so as to optimize the running of dynamo, thereby, the fuel economy of the dynamo is increased.
Description
Technical field
The utility model relates to a kind of driving system of hybrid vehicle.
Background technology
The mankind of the world today are faced with energy shortage and ecological deterioration two is challenged greatly, and orthodox car is subjected to the serious puzzlement of oil crises day by day, and energy-conserving and environment-protective become the development topic of auto trade gradually.In recent years, have the hybrid vehicle of two kinds of different dynamic sources, realization reduction oil consumption and discharging, obtained Application and Development, and drop into commodity production and introduce to the market.The hybrid vehicle of volume production has the Prius of Toyota, the Crown of Toyota, Honda Insight, Honda Civic or the like at present, and is numerous.Known driving system of hybrid vehicle is broadly divided into series, parallel and three kinds of versions of series-parallel connection according to its electromechanical coupling feature.
Tandem power is made up of driving engine, electrical generator and motor three part dynamic assemblies, form power unit system with series connected mode between them, the engine driven generators generating, electric energy is transported to battery or motor by controller, drives automobile by motor by speed-changing mechanism.By the battery driven motor drive wheels, drive the generator for electricity generation drive motor by driving engine when loading greatly during little load.When the startup of vehicle place, acceleration, climbing operating mode, driving engine-group of motors and battery pack provide electric energy to motor jointly; When battery-driven car is in low speed, slides, during the operating mode of idling, then by the battery driven motor, when the battery pack short of electricity then by the Engine-Generator group to batteries charging.Series-mode frame is applicable to frequent starting and low cruise operating mode in the city, near engine conditioning steady running optimal working point can be reached the purpose of adjusting the speed of a motor vehicle by the output of adjusting battery and motor.Make driving engine avoid the operating mode of idling and low-speed running, thereby improved the efficient of driving engine, reduced exhaust emission.But its shortcoming is an energy several times to be changed, and mechanical efficiency is lower.
Parallel power drives automobile jointly by driving engine and motor, and driving engine and motor adhere to two cover systems separately, can provide moment of torsion to automotive transmission independently respectively, not only can drive jointly but also can independent drive on different road surfaces.When car acceleration were climbed, motor and driving engine can provide power to transmission device simultaneously, in case automobile speed reaches cruising speed, automobile will only rely on driving engine to keep this speed.Motor not only can be made electrical motor but also can make electrical generator and use, and is called the electric-generating unit again.Owing to there is not independent electrical generator, driving engine can directly pass through the transmission device drive wheels, the more approaching traditional automobile driving system of this device, and mechanical efficiency loss and general-utility car are similar.
The series parallel type device has comprised tandem and parallel characteristics.Power system comprises driving engine, electrical generator and motor, and according to the work-saving device difference, it is divided into driving engine again is main two kinds for the motor of advocating peace.In the form based on driving engine, driving engine is as main power, and motor is an auxiliary power source; In the form based on motor, driving engine is as auxiliary power source, and motor is a main power.The advantage of this structure is that control is convenient, and shortcoming is the structure more complicated.
CN 2640812 Y disclose a kind of automobile motor-engine combined power actuating device, comprise driving engine, electrical motor, electrical generator and power synthesizer, this power synthesizer is an automobile general driving bridge diff, two semiaxis of this diff are connected with shaft of motor with driving engine respectively, and the casing of diff is connected with power take-off shaft.The outputting power of driving engine and electrical motor mixes the back and exports to power take-off shaft by the casing of diff, and powered vehicle is travelled.The output shaft of driving engine also is connected to electrical generator by gear mechanism, drives generator for electricity generation.This actuating device has serially connected and parallel characteristics simultaneously, but in fact can only realize parallel takeoff output, function singleness.
The utility model content
The utility model provides a kind of driving system of hybrid vehicle, and this system can improve the fuel economy of driving engine, and simple in structure, low cost of manufacture, and can also realize the multiple drive modes of vehicle.
The driving system of hybrid vehicle that the utility model provides comprises driving engine, electrical generator, motor, differential mechanism, driving device and power supply, wherein, power supply is connected between electrical generator and the motor, the pinion carrier of differential mechanism is connected with the output shaft of driving engine, the left half axle gear of differential mechanism is connected with the rotor of electrical generator, and the right axle shaft gear of differential mechanism is connected with driving device with the rotor of motor.
When the engine operation powered vehicle is travelled, the power of driving engine is delivered to the pinion carrier of differential mechanism by engine output shaft, a part of then power passes to the rotor of electrical generator to drive generator for electricity generation by left half axle gear, another part power travels with powered vehicle to driving device by the right axle shaft gear transmission.By the rotating speed of regulator generator rotor, can correspondingly regulate the power of driving engine, make engine operation in optimum regime, farthest to improve the fuel economy of driving engine.
In addition, the electric energy that electrical generator sends can be stored in the power supply, and supplies electric energy by power supply to motor, and drive motor transmits kinetic energy to driving device and travels with powered vehicle, realizes that thus driving engine and motor parallel formula drive.
Description of drawings
Fig. 1 is the schematic diagram according to the driving system of hybrid vehicle of a kind of exemplary embodiment of the utility model.
The specific embodiment
With reference to the accompanying drawings a kind of exemplary embodiment of the present utility model is elaborated.
As shown in Figure 1, the utility model provides a kind of driving system of hybrid vehicle, this system comprises driving engine 1, electrical generator 2, motor 3, differential mechanism 4, driving device 5 and power supply 6, it is characterized in that: power supply 6 is connected between electrical generator 2 and the motor 3, the pinion carrier 43 of differential mechanism 4 is connected with the output shaft 11 of driving engine 1, the left half axle gear 41 of differential mechanism 4 is connected with the rotor of electrical generator 2, and the right axle shaft gear 42 of differential mechanism 4 is connected with driving device 6 with the rotor of motor 3.
Differential mechanism is used on the driving system of automobile in the prior art usually, allows left and right wheels to rotate with friction speed when Vehicular turn.Differential mechanism generally includes left half axle gear, right axle shaft gear and pinion carrier.Power from transmission shaft is imported by pinion carrier, and is delivered to left and right sides semiaxis and left and right sidesing driving wheel respectively by left and right sides axle side gear.
In the utility model, used differential mechanism 4 to give driving device 5 and electrical generator 2 dexterously with the outputting power distribution and transmission of driving engine 1, thereby by the rotor speed of electrical generator 2 is regulated, can correspondingly regulate the horsepower output of driving engine 1, make it to be operated in optimum regime, farthest improve the fuel economy of driving engine 1.And, of the present utility model simple in structure, easily manufactured, and with low cost.
Driving device 5 generally includes transmission shaft, retarder, diff, semiaxis and the drive wheels etc. of vehicle.As required, can also in driving device 5, change-speed box be set,, especially under the engine drive pattern, travel by the speed change of change-speed box realization vehicle so that when vehicle '.In the utility model, finally be delivered to wheel 8 from the power of driving engine 1 or motor 3 by driving device 5, travel with powered vehicle.
When driving engine 1 work, the power of driving engine 1 at first is delivered to the pinion carrier 43 of differential mechanism 4 by engine output shaft 11, then this power in differential mechanism 4 left half axle gear 41 and right axle shaft gear 42 between distribute, pass to electrical generator 2 respectively and generate electricity and pass to driving device 5 and travel with powered vehicle.The electric energy that electrical generator 2 sends can be stored in the power supply 6.In this case, the rotating speed of the rotor by regulator generator 2 can correspondingly be regulated the horsepower output of driving engine 1, thereby makes driving engine 1 remain on best effort volt attitude, to improve the fuel economy of driving engine 1.
When needs increase driving power, for example quicken or during climbing at vehicle, starter motor 3 is to driving device 5 outputting powers simultaneously, thereby realizes the parallel driving of driving engine and motor.At this moment, motor 3 is by power supply 6 supply electric energy.
In a kind of preferred embodiment, can also between the right axle shaft gear 42 of differential mechanism 4 and driving device 6, power-transfer clutch 7 be set.In order to control conveniently these power-transfer clutch 7 preferred employings electric control clutch of the prior art.By joint or the separation of controlling this power-transfer clutch 7, can control transmission of power or disconnection between right axle shaft gear 42 and the driving device 5.This is very useful for motor independent drive vehicle ' and motor as the situation that electrical generator reclaims vehicle energy.Below both of these case is described.
In low vehicle speeds, when perhaps needing frequent starting and parking,, preferably travel by motor 3 powered vehicle for energy savings.At this moment, driving engine 1 quits work, and power-transfer clutch 7 is a released state, and motor 3 is by power supply 6 supply electric energy, and outputting power is passed to driving device 5 travels with powered vehicle, realizes the pure motorized motions pattern of vehicle.
At car retardation or glancing impact, power-transfer clutch 7 is a released state, and motor 3 carries out work as electrical generator, and the inertia mechanical energy of vehicle is delivered to the rotor of motor 3 by driving device 5, drive motor 3 generatings and with electrical power storage in power supply 6.
The utility model can provide electronic control unit and power supply alarming device etc., and the power supply alarming device is used for sending alerting signal when the electric weight of power supply is not enough to drive motor 3 work.Electronic control unit then can be regulated the rotor speed of electrical generator according to information such as the power of driving engine, the speed of a motor vehicle, to realize the adjusting purpose to engine power.
Claims (3)
1, a kind of driving system of hybrid vehicle, this system comprises driving engine (1), electrical generator (2), motor (3), differential mechanism (4), driving device (5) and power supply (6), it is characterized in that: power supply (6) is connected between electrical generator (2) and the motor (3), the pinion carrier (43) of differential mechanism (4) is connected with the output shaft (11) of driving engine (1), the left half axle gear (41) of differential mechanism (4) is connected with the rotor of electrical generator (2), and the right axle shaft gear (42) of differential mechanism (4) is connected with driving device (6) with the rotor of motor (3).
2, system according to claim 1 is characterized in that, this system also comprises the right axle shaft gear (42) that is connected differential mechanism (4) and the power-transfer clutch (7) between the driving device (6).
3, system according to claim 2 is characterized in that, described power-transfer clutch (7) is an electric control clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201751013U CN200984967Y (en) | 2006-12-20 | 2006-12-20 | Mixed power vehicle driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201751013U CN200984967Y (en) | 2006-12-20 | 2006-12-20 | Mixed power vehicle driving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200984967Y true CN200984967Y (en) | 2007-12-05 |
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ID=38914431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201751013U Expired - Lifetime CN200984967Y (en) | 2006-12-20 | 2006-12-20 | Mixed power vehicle driving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200984967Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920653A (en) * | 2009-06-17 | 2010-12-22 | 上海捷能汽车技术有限公司 | Power transmission unit and transmission control method of hybrid driving system |
| CN102632798A (en) * | 2011-02-14 | 2012-08-15 | 苏州巴米特信息科技有限公司 | Special automobile power system |
| CN105329086A (en) * | 2014-07-31 | 2016-02-17 | 比亚迪股份有限公司 | Vehicle power transmission system and vehicle having power transmission system |
| CN106553531A (en) * | 2015-09-25 | 2017-04-05 | 比亚迪股份有限公司 | Power-driven system and the vehicle with which |
-
2006
- 2006-12-20 CN CNU2006201751013U patent/CN200984967Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920653A (en) * | 2009-06-17 | 2010-12-22 | 上海捷能汽车技术有限公司 | Power transmission unit and transmission control method of hybrid driving system |
| CN101920653B (en) * | 2009-06-17 | 2015-02-18 | 上海捷能汽车技术有限公司 | Power transmission unit and transmission control method of hybrid driving system |
| CN102632798A (en) * | 2011-02-14 | 2012-08-15 | 苏州巴米特信息科技有限公司 | Special automobile power system |
| CN105329086A (en) * | 2014-07-31 | 2016-02-17 | 比亚迪股份有限公司 | Vehicle power transmission system and vehicle having power transmission system |
| CN106553531A (en) * | 2015-09-25 | 2017-04-05 | 比亚迪股份有限公司 | Power-driven system and the vehicle with which |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071205 |
|
| EXPY | Termination of patent right or utility model |