CN101274589B - Hybrid power system for vehicle - Google Patents
Hybrid power system for vehicle Download PDFInfo
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- CN101274589B CN101274589B CN2008100528178A CN200810052817A CN101274589B CN 101274589 B CN101274589 B CN 101274589B CN 2008100528178 A CN2008100528178 A CN 2008100528178A CN 200810052817 A CN200810052817 A CN 200810052817A CN 101274589 B CN101274589 B CN 101274589B
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- sun
- electrical motor
- planet gear
- power
- vehicle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a hybrid power system used for vehicles. The hybrid power system comprises an engine, a satellite gear mechanism, a generator, an inverter system, batteries and a motor. The satellite gear mechanism is positioned between the engine and the motor; an output end of the engine can be connected with a satellite bracket of the satellite gear mechanism, and at the moment, a power output interface used for the vehicle is arranged on a gear ring of the satellite gear mechanism; the output end of the engine can also be connected with the gear ring of the satellite gear mechanism, and at the moment, a power output interface used for the vehicle is arranged on the satellite bracket of the satellite gear mechanism; a central gear of the satellite gear mechanism is connected with the generator, and the generator is connected with the batteries through the inverter system; the batteries are connected with the motor through the inverter system, and an additional power output interface used for the vehicle is arranged in the motor. The hybrid power system used for vehicles realizes multiple axis drive of the vehicle, and has simple structure, convenient installation and low costs.
Description
Technical field
The present invention relates to a kind of hybrid electric drive system, especially a kind of hybrid power system for vehicle.
Background technology
Hybrid electric drive system has series, parallel and three kinds of forms of series-parallel connection.Series connection type hybrid power system is that the power of by electrical generator driving engine being exported earlier all is converted to electric energy, convert electrical energy into the mechanical powered drive wheel through electrical motor again, its advantage is to realize the optimal control of driving engine, and shortcoming is all to change through twice energy, and expended energy is excessive.Parallel system is on traditional car transmissions basis, other adds one road electric drive system, auxiliary power is provided during for car acceleration or climbing, its advantage is that the ratio of transformation of energy is less, shortcoming is to lean on direct mechanical connection between driving engine and wheel, and driving engine can not be always in the work of high efficiency point.Existing combined hybrid system is that sun and planet gear is placed between electrical generator and the electrical motor, the same axletree of gear ring and direct motor drive, can bring into play tandem and parallel advantage, but the input shaft of sun and planet gear will pass in electrical generator, electrical generator must be made special-shape motor, produces and assembling adjusting process complexity and cost height.In addition, total system has only a power output interface, realize the multi axle drive of automobile, also need add part-time case in addition, further increases cost.
Summary of the invention
Purpose of the present invention is just in order to overcome above-mentioned deficiency of the prior art, and a kind of simple in structure, the hybrid power system for vehicle that cost is low that can realize multi axle drive is provided.
For solving the problems of the technologies described above, basic design of the present invention is: adopt sun and planet gear is placed between driving engine and the electrical generator, a power output interface that is used for vehicle is set on gear ring in the sun and planet gear or the pinion carrier, the other power output interface that is used for vehicle is set on the electrical motor.
As the first kind of technical scheme that realizes that the present invention conceives substantially, a kind of hybrid power system for vehicle, comprise driving engine, sun and planet gear, electrical generator, inversion system, battery, electrical motor, described sun and planet gear is arranged between driving engine and the electrical generator, the mouth of described driving engine connects the pinion carrier of described sun and planet gear, and the gear ring of described sun and planet gear is provided with the power output interface that is used for vehicle; The sun wheel of described sun and planet gear connects described electrical generator, and described electrical generator connects described battery through inversion system, and described battery connects described electrical motor through inversion system, and described electrical motor is provided with the other power output interface that is used for vehicle.
Described electrical motor is one or two.
As the second kind of technical scheme that realizes that the present invention conceives substantially, a kind of hybrid power system for vehicle, comprise driving engine, sun and planet gear, electrical generator, inversion system, battery, electrical motor, described sun and planet gear is arranged between driving engine and the electrical generator, the mouth of described driving engine connects the gear ring of described sun and planet gear, and the pinion carrier of described sun and planet gear is provided with the power output interface that is used for vehicle; The sun wheel of described sun and planet gear connects described electrical generator, and described electrical generator connects described battery through inversion system, and described battery connects described electrical motor through inversion system, and described electrical motor is provided with the other power output interface that is used for vehicle.
Described electrical motor is one or two.
The invention has the beneficial effects as follows: 1. because sun and planet gear is respectively arranged with different power output interfaces with electrical motor,, can realize the multi axle drive of vehicle so do not need to add in addition part-time case; 2. sun and planet gear places between driving engine and the electrical generator, no longer allow the input shaft of planet gear mechanism pass electrical generator, sun and planet gear and generator Structure are simplified, especially electrical generator need not made special-shape motor, adopt the common electric machine structure to get final product, can reduce the manufacturing cost and the assembling of motor and adjust difficulty, thereby reduce the productive costs of this power system effectively; 3. because electrical generator places after driving engine and the sun and planet gear, be in end,, thereby make the installation of this power system easier so it is very convenient that electromechanical transducer is installed.
Description of drawings
Fig. 1 adopts two structural representation sketch for first kind of technical scheme embodiment one electrical motor of the present invention;
Fig. 2 adopts one structural representation sketch for first kind of technical scheme embodiment two electrical motor of the present invention;
Fig. 3 adopts two structural representation sketch for second kind of technical scheme embodiment one electrical motor of the present invention;
Fig. 4 adopts one structural representation sketch for second kind of technical scheme embodiment two electrical motor of the present invention.
Among the figure:
The expression output interface, 1, driving engine, 2, pinion carrier, 3, sun wheel, 4, gear ring, 5, electrical generator, 6, inversion system, 7, battery, 8, electrical motor.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described:
First kind of technical scheme as shown in Figure 1 and Figure 2,
The expression output interface, a kind of hybrid power system for vehicle of the present invention, comprise driving engine 1, sun and planet gear, electrical generator 5, inversion system 6, battery 7, electrical motor 8, described sun and planet gear places between driving engine 1 and the electrical generator 5, and sun and planet gear is formed by planetary pinion carrier 2, sun wheel 3, gear ring 4 are housed.Wherein, pinion carrier 2 connects the bent axle of driving engine 1 and rotation therewith; Gear ring 4 links to each other with certain axletree of vehicle by physical construction, and drives its rotation by certain speed ratio; Sun wheel 3 links to each other with the rotor of electrical generator 5 and rotation therewith; The electric energy that electrical generator 5 produces according to circumstances becomes DC storage in battery 7 through inversion system 6, or electrical motor 8 is exported in the change interchange again, when electrical motor 8 is one (as Fig. 2), this electrical motor links to each other with other axletree of vehicle by physical construction, and drives its rotation by certain speed ratio; When electrical motor 8 is two (as Fig. 1), these two electrical motors link to each other by the left and right wheel on other axletree of physical construction and vehicle respectively, and drive its rotation by certain speed ratio.
Second kind of technical scheme as shown in Figure 3, Figure 4,
The expression output interface, a kind of hybrid power system for vehicle of the present invention, comprise driving engine 1, sun and planet gear, electrical generator 5, inversion system 6, battery 7, electrical motor 8, described sun and planet gear places between driving engine 1 and the electrical generator 5, and sun and planet gear is formed by planetary pinion carrier 2, sun wheel 3, gear ring 4 are housed.Wherein, gear ring 4 connects the bent axle of driving engine 1 and rotation therewith; Pinion carrier 2 links to each other with certain axletree of vehicle by physical construction, and drives its rotation by certain speed ratio; Sun wheel 3 links to each other with the rotor of electrical generator 5 and rotation therewith; The electric energy that electrical generator 5 produces according to circumstances becomes DC storage in battery 7 through inversion system 6, or electrical motor 8 is exported in the change interchange again, when electrical motor 8 is one (as Fig. 4), this electrical motor links to each other with other axletree of vehicle by physical construction, and drives its rotation by certain speed ratio; When electrical motor 8 is two (as Fig. 3), these two electrical motors link to each other by the left and right wheel on other axletree of physical construction and vehicle respectively, and drive its rotation by certain speed ratio.
In above-mentioned two kinds of technical schemes, sun and planet gear is provided with power output interface to certain axletree transferring power, sun wheel is rotated with the rotor of electrical generator, the excess power of driving engine is changed into electric energy, this part electric energy converts mechanical energy to by electrical motor and acts on the left and right wheels on other axletree or other axletree, according to the operating condition of automobile, energy can take place between electrical generator, electrical motor and the battery shift.Be characterized in that electrical generator places after driving engine and the sun and planet gear, be in end, thereby can adopt the motor of ordinary construction, reduce the productive costs of this power system; Sun and planet gear forms different power output interfaces with electrical motor, is convenient to realize multi axle drive.
Power is divided into two roads through transmitting in the total system: a part of engine power is mechanically exported to certain axle drive shaft, can adopt dual mode, first kind of mode is: by the pinion carrier of engine drive sun and planet gear, the gear ring outputting power of sun and planet gear is given certain axle drive shaft; The second way is: the gear ring of engine drive sun and planet gear, and the pinion carrier outputting power of sun and planet gear is given certain axle drive shaft; Another part engine power changes into electric energy with mechanical energy and exports to electrical motor by electrical generator, by the left and right wheel on other axletree of direct motor drive or other axletree, thereby realizes multi axle drive.
According to the needs of vehicle, described electrical generator can also can be worked in electronic mode with generation mode work; In like manner, described electrical motor can be worked in electronic mode, also can be with generation mode work.
When automobile low speed or little load travel, kill engine, provide power by battery to electrical motor, by the wheel driving motor running, realize that the automobile zero-emission travels.
When automobile normal running, provide power by driving engine, the regional work that driving engine is low in oil consumption, discharging is few, the power that driving engine provides passes to forward and backward wheel respectively by two passages, the main channel is the pinion carrier of engine drive sun and planet gear, the gear ring outputting power of sun and planet gear is given the mechanical passage of certain axle drive shaft, and subaisle is the power channel that electrical generator passes to electrical motor; Or the main channel is the gear ring of engine drive sun and planet gear, and the pinion carrier outputting power of sun and planet gear is given the mechanical passage of certain axle drive shaft, and subaisle is the power channel that electrical generator passes to electrical motor.The dynamic action of major and minor passage obtains high efficiency by the ratio of controlling two channel energies stream on different axletrees.
When car acceleration or climbing are travelled, except that driving engine by two passages respectively forward, rear wheel provides the power, battery also provides power to electrical motor.
When car deceleration or lower long slope, electrical motor is with generating state work, by wheel drive, the kinetic energy of automobile is converted into electric energy, is stored in the battery.
Embodiment can adopt driving engine to connect the pinion carrier of sun and planet gear, and the gear ring of sun and planet gear drives propons, adopts a direct motor drive back axle; Or the pinion carrier of driving engine connection sun and planet gear, the gear ring of sun and planet gear drives propons, adopts two electrical motors to drive left and right rear wheel respectively; Or the pinion carrier of driving engine connection sun and planet gear, the gear ring driving rear axle of sun and planet gear adopts a direct motor drive propons; Or the pinion carrier of driving engine connection sun and planet gear, the gear ring driving rear axle of sun and planet gear adopts two electrical motors to drive left and right front vehicle wheel respectively; Or the gear ring of driving engine connection sun and planet gear, the pinion carrier of sun and planet gear drives propons, adopts a direct motor drive back axle; Or the gear ring of driving engine connection sun and planet gear, the pinion carrier of sun and planet gear drives propons, adopts two electrical motors to drive left and right rear wheel respectively; Or the gear ring of driving engine connection sun and planet gear, the pinion carrier driving rear axle of sun and planet gear adopts a direct motor drive propons; Or the gear ring of driving engine connection sun and planet gear, the pinion carrier driving rear axle of sun and planet gear adopts two electrical motors to drive left and right front vehicle wheel respectively.
Sun and planet gear places between driving engine and the electrical generator, the disadvantage of having avoided the input shaft of sun and planet gear in the prior art to pass in the electrical generator, electrical generator only need adopt common electric machine, employing is provided with power output interface and drives certain axletree on sun and planet gear, use the left and right wheels on other axletree of direct motor drive or other axletree simultaneously, can make driving engine run on the high efficiency point by the control electrical generator, do not add part-time case and can realize multi axle drive, simple in structure, productive costs is low.
Below schematically the present invention and embodiment thereof are described, this description does not have restricted, and shown in the accompanying drawing is the example of embodiments of the present invention also, and practical structure is not limited thereto.So; if those of ordinary skill in the art is enlightened by it, under the situation that does not break away from the invention aim, adopt other form; without creationary frame mode similar and the embodiment of designing, all should belong to protection scope of the present invention to this technical scheme.
Claims (2)
1. hybrid power system for vehicle, comprise driving engine, sun and planet gear, electrical generator, inversion system, battery, electrical motor, described electrical motor is conventional motor, described sun and planet gear is arranged between driving engine and the electrical generator, it is characterized in that, the mouth of described driving engine connects the pinion carrier of described sun and planet gear, and the gear ring of described sun and planet gear is provided with the power output interface that is used for vehicle; The sun wheel of described sun and planet gear connects described electrical generator, and described electrical generator connects described battery through inversion system, and described battery connects described electrical motor through inversion system, and described electrical motor is provided with the other power output interface that is used for vehicle; Power is divided into two paths transmission: a part of engine power is mechanically exported, the pinion carrier of described engine drive sun and planet gear, and the gear ring outputting power of described sun and planet gear is given an axle drive shaft; Another part engine power changes into electric energy with mechanical energy and exports to electrical motor by electrical generator, by the left and right wheel on another axletree of direct motor drive or another axletree, thereby realizes multi axle drive; According to the needs of vehicle, described electrical generator and driving engine are worked with generation mode work or in electronic mode; When automobile low speed or little load travel, kill engine, provide power by battery to electrical motor, by the wheel driving motor running, realize that the automobile zero-emission travels; When automobile normal running, provide power by driving engine, the regional work that driving engine is low in oil consumption, discharging is few; When car acceleration or climbing are travelled, except that driving engine by two passages respectively forward, rear wheel provides the power, battery also provides power to electrical motor; When car deceleration or lower long slope, electrical motor is with generating state work, by wheel drive, the kinetic energy of automobile is converted into electric energy, is stored in the battery; Described electrical motor is one or two; When described electrical motor was one, described electrical motor linked to each other with the axletree of vehicle by physical construction, and drives its rotation by certain speed ratio; When described electrical motor was two, described two electrical motors linked to each other with left and right wheel on the vehicle axletree by physical construction respectively, and drive its rotation by certain speed ratio.
2. hybrid power system for vehicle, comprise driving engine, sun and planet gear, electrical generator, inversion system, battery, electrical motor, described electrical motor is conventional motor, described sun and planet gear is arranged between driving engine and the electrical generator, it is characterized in that, the mouth of described driving engine connects the gear ring of described sun and planet gear, and the pinion carrier of described sun and planet gear is provided with the power output interface that is used for vehicle; The sun wheel of described sun and planet gear connects described electrical generator, and described electrical generator connects described battery through inversion system, and described battery connects described electrical motor through inversion system, and described electrical motor is provided with the other power output interface that is used for vehicle; Power is divided into two paths transmission: a part of engine power is mechanically exported, the gear ring of engine drive sun and planet gear, and the pinion carrier outputting power of sun and planet gear is given an axle drive shaft; Another part engine power changes into electric energy with mechanical energy and exports to electrical motor by electrical generator, by the left and right wheel on another axletree of direct motor drive or another axletree, thereby realizes multi axle drive; According to the needs of vehicle, described electrical generator and driving engine are worked with generation mode work or in electronic mode; When automobile low speed or little load travel, kill engine, provide power by battery to electrical motor, by the wheel driving motor running, realize that the automobile zero-emission travels; When automobile normal running, provide power by driving engine, the regional work that driving engine is low in oil consumption, discharging is few; When car acceleration or climbing are travelled, except that driving engine by two passages respectively forward, rear wheel provides the power, battery also provides power to electrical motor; When car deceleration or lower long slope, electrical motor is with generating state work, by wheel drive, the kinetic energy of automobile is converted into electric energy, is stored in the battery; Described electrical motor is one or two; When described electrical motor was one, described electrical motor linked to each other with the vehicle axletree by physical construction, and drives its rotation by certain speed ratio; When described electrical motor was two, described two electrical motors linked to each other with left and right wheel on the vehicle axletree by physical construction respectively, and drive its rotation by certain speed ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100528178A CN101274589B (en) | 2008-04-18 | 2008-04-18 | Hybrid power system for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100528178A CN101274589B (en) | 2008-04-18 | 2008-04-18 | Hybrid power system for vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN101274589A CN101274589A (en) | 2008-10-01 |
| CN101274589B true CN101274589B (en) | 2010-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100528178A Expired - Fee Related CN101274589B (en) | 2008-04-18 | 2008-04-18 | Hybrid power system for vehicle |
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| Country | Link |
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| CN (1) | CN101274589B (en) |
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- 2008-04-18 CN CN2008100528178A patent/CN101274589B/en not_active Expired - Fee Related
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| CN101274589A (en) | 2008-10-01 |
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Granted publication date: 20101208 Termination date: 20210418 |