CN201021113Y - Tandem hybrid power electric car power supply device installed with energy-storage flywheel - Google Patents
Tandem hybrid power electric car power supply device installed with energy-storage flywheel Download PDFInfo
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- CN201021113Y CN201021113Y CNU2006201672350U CN200620167235U CN201021113Y CN 201021113 Y CN201021113 Y CN 201021113Y CN U2006201672350 U CNU2006201672350 U CN U2006201672350U CN 200620167235 U CN200620167235 U CN 200620167235U CN 201021113 Y CN201021113 Y CN 201021113Y
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- storing flywheel
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Abstract
The utility model relates to a power supply device for a series hybrid electric vehicle, and belongs to the electric vehicle, and mainly comprises an engine and an electric generator. The utility model is characterized in that the utility model also comprises an automatic clutch, an automatic speed changer, an energy storage flywheel, an energy storage flywheel rotation speed sensor, an electric control unit and an engine rotation speed sensor. The mechanical connection way is that the engine is connected with the automatic speed changer through the automatic clutch, the automatic speed changer is connected with the electric generator through the energy storage flywheel; the electric connection way is that the engine and the output signal of the rotation speed sensor of the energy storage flywheel are connected into the input end of the electric control unit, a control signal outputted by the electric control unit is respectively connected into the control signal input ends of the engine, the automatic clutch and the automatic speed changer. The application of the utility model can overcome the deficiency of the existing power supply device that the energy is lost when the mechanical energy of the engine is conversed into the electrical energy to be sent into a secondary battery to store, and when the secondary battery is charged or discharged, thus obviously enhancing the operation economy and greatly reducing the pollution releasing.
Description
Technical field
The utility model belongs to the elec. vehicle class.
Background technology
Environmental pollution that fuel-engined vehicle brings and energy shock become the problem that people generally are concerned about, and electronlmobil is considered to one of important channel that solves this two large problems.Yet the continual mileage of electrokinetic cell and charging duration have restricted the development of electronlmobil and have popularized.The appearance of hybrid power system has not only reduced the fuel oil consumption and the pollution of automobile, and improves a lot than its continual mileage of pure electric automobile.Hybrid electric drive system mainly contains three kinds of arrangement forms at present: tandem, parallel and series parallel type, because it is more that city bus stops in the way of travelling, low and the city environment of speed of a motor vehicle characteristics such as have relatively high expectations, by comparing the characteristics of three kinds of hybrid power systems, city bus selects the series hybrid-power type of drive proper.
At present, the required electric energy of known series hybrid-power battery-driven car is provided by the electrical generator of driving engine direct drive and the electric supply installation that constitutes jointly such as secondary batterys such as chemical cell, super capacitor, flying wheel batteries in parallel with electrical generator, because driving engine remains on the high efficient area stable operation, so emission behavior is good, the energy efficiency height, and the power storage that reclaims by regenerative brake of electric energy that can electrical generator is unnecessary and vehicle is used when supplying with vehicle operating in secondary battery.; there is weak point in the energy-storage method of above-mentioned series hybrid-power battery-driven car electric supply installation; promptly must convert the mechanical energy of driving engine to electric energy and just can send into the secondary battery storage; because the efficient of electrical generator can not reach 100%; and degradation of energy all can take place in secondary battery in charging, discharge process; so degradation of energy has just taken place in the above-mentioned conversion process of energy; according to the difference of driving engine and secondary battery construction pattern, this part degradation of energy approximately can account for 15%～25% of driving engine energy output.
Summary of the invention
Convert electric energy in mechanical energy and send into secondary battery storage and secondary battery in order to overcome existing series hybrid-power battery-driven car electric supply installation in charging with driving engine, the deficiency of degradation of energy takes place in the discharge process, the utility model provides a kind of series hybrid-power battery-driven car electric supply installation that disposes energy-storing flywheel, the driving engine of this electric supply installation carries out direct mechanical with energy-storing flywheel and is connected, therefore driving engine can the direct drive flywheel, so needn't just can be the energy-storing flywheel accumulation of energy through any type of transformation of energy, the electrical generator of this car is then driven by energy-storing flywheel.
The technical scheme that its technical matters that solves the utility model adopts is: the utility model mainly comprises: driving engine, electrical generator, it is characterized in that also comprising self-acting clutch, automatic transmission with hydraulic torque converter, energy-storing flywheel, be installed in the energy-storing flywheel tachogen on the energy-storing flywheel, ECU (Electrical Control Unit), be installed in the engine speed sensor on the driving engine, its mechanical connection manner is: the clutch end of driving engine is connected with the input end of self-acting clutch, the mouth of self-acting clutch is connected with the input end of automatic transmission with hydraulic torque converter, the mouth of automatic transmission with hydraulic torque converter is connected with the input end of energy-storing flywheel, the mouth of energy-storing flywheel is connected with the input end of electrical generator, described driving engine, self-acting clutch, automatic transmission with hydraulic torque converter, energy-storing flywheel, electrical generator, ECU (Electrical Control Unit) all is fixedly mounted on the series hybrid-power battery-driven car; Its electric connecting mode is: the signal output part of engine speed sensor and energy-storing flywheel tachogen is connected with the signal input part of ECU (Electrical Control Unit), and the output control signal of ECU (Electrical Control Unit) is connected with the signal input end of driving engine, self-acting clutch and automatic transmission with hydraulic torque converter respectively.
The hybrid-power electric vehicle electric supply installation will be laid in certain energy for energy-storing flywheel earlier before bringing into operation, promptly energy-storing flywheel will possess certain initial speed N
OF, when this rotating speed, the energy that energy-storing flywheel had should be greater than 1/2nd of rated value.For this reason, can first start the engine, the self-acting clutch of rejoining accelerates to N by automatic transmission with hydraulic torque converter with energy-storing flywheel
OF, also can make electrical generator move the anti-initial speed N that is dragged to of energy-storing flywheel by external power supply according to electric motor state
OF, afterwards, hybrid-power electric vehicle just can on-line running.If it is out of service that hybrid-power electric vehicle needs, then can suitably shift to an earlier date shutting theengine down by chaufeur, throw off self-acting clutch, the energy that vehicle can rely on energy-storing flywheel to store continues operation one segment distance and rests in assigned address.
The operating mode of driving engine is determined according to following principle during operation: at first, select minimum specific consumption of fuel point on the whole performance map of this driving engine, this puts cooresponding rotating speed is N
d, fuel delivery per cycle is G
d, for conventional vehicular engine, the rotating speed of this point is usually less than 85% of engine governed speed, and this point also is the discharge index nadir.Rotating speed with this point is a basic point, according to the size in the low oil consumption zone of this driving engine, respectively expands 5%～15% least restrictive working speed N as driving engine to both sides
D1The highest qualification working speed N
D2, make driving engine greater than N
D1And less than N
D2Rotary speed area in work, fuel delivery per cycle is defined as G
d
The control principle of ECU (Electrical Control Unit) is during operation: if the rotating speed of 1 energy-storing flywheel is less than rated speed of rotation N
EFAnd greater than initial speed N
OF, then work as engine speed greater than N
D2The time make the automatic transmission with hydraulic torque converter upshift, and when engine speed less than N
D1The time make the automatic transmission with hydraulic torque converter downshift.If the rotating speed of 2 energy-storing flywheels is greater than rated speed of rotation N
EF, ECU (Electrical Control Unit) instruction engine off then, self-acting clutch is thrown off; Behind the engine off, hybrid-power electric vehicle still can rely on the kinetic energy generating of energy-storing flywheel to continue operation; Continue in the operational process, at it if the rotating speed of energy-storing flywheel drops to less than initial speed N
OF, then ECU (Electrical Control Unit) control self-acting clutch combination, driving engine is restarted, and 1 work on principle.
Because the utility model has been cancelled the secondary battery in parallel with electrical generator, so the power of this electrical generator must be complementary with the demand of the driving motor of hybrid-power electric vehicle, be the power that the power of electrical generator was greater than or equaled the driving motor of hybrid-power electric vehicle, though its volume and quality all will increase to some extent, but also increased the inertia of energy-storage system simultaneously, also helped in addition reclaiming brake energy with big current system.
The utlity model has substantive distinguishing features and marked improvement, the driving efficiency of the automatic transmission with hydraulic torque converter that the utility model adopted can reach 95%～97%, do not deposit simultaneously charging, the discharge process of secondary battery yet, therefore can reduce by 10%～22% energy conversion loss, this will improve the performance driving economy of series hybrid-power battery-driven car significantly and reduce exhaust emission greatly.
Description of drawings
Fig. 1 is the utility model structure, mutual alignment and annexation scheme drawing.
Among the figure, solid line is represented mechanical connection manner, and dotted line is represented electric connecting mode.
The specific embodiment
As shown in Figure 1, the utility model mainly comprises: driving engine 1, self-acting clutch 2, automatic transmission with hydraulic torque converter 3, energy-storing flywheel 4, electrical generator 5, be installed in the energy-storing flywheel tachogen 6 on the energy-storing flywheel, ECU (Electrical Control Unit) 7, be installed in the engine speed sensor 8 on the driving engine, its mechanical connection manner is: the clutch end of driving engine 1 is connected with the input end of self-acting clutch 2, the mouth of self-acting clutch 2 is connected with the input end of automatic transmission with hydraulic torque converter 3, the mouth of automatic transmission with hydraulic torque converter 3 is connected with the input end of energy-storing flywheel 4, and the mouth of energy-storing flywheel 4 is connected with the input end of electrical generator 5; Its electric connecting mode is: the signal output part of engine speed sensor 8 and energy-storing flywheel tachogen 6 is connected with the signal input part of ECU (Electrical Control Unit) 7, and the output control signal of ECU (Electrical Control Unit) 7 is connected with driving engine 1, self-acting clutch 2 and the signal input end of automatic transmission with hydraulic torque converter 3 respectively.
If the least restrictive working speed N of selected driving engine 1
D1The highest qualification working speed N
D2Ratio less than 0.74, then automatic transmission with hydraulic torque converter 3 can also be a speed ratio I=N
EF/ N
D2Fixed ECU (Electrical Control Unit) 7 is no longer gathered the output signal of engine speed sensor 8 than change-speed box, but other input/output function is constant; At this moment the utility model mainly comprises: driving engine 1, self-acting clutch 2, fixed than change-speed box, energy-storing flywheel 4, electrical generator 5, be installed in energy-storing flywheel tachogen 6, ECU (Electrical Control Unit) 7 on the energy-storing flywheel, its mechanical connection manner is: the clutch end of driving engine 1 is connected with the input end of self-acting clutch 2, the mouth of self-acting clutch 2 is connected with fixed input end than change-speed box, fixed mouth than change-speed box is connected with the input end of energy-storing flywheel 4, and the mouth of energy-storing flywheel 4 is connected with the input end of electrical generator 5; Its electric connecting mode is: the signal output part of energy-storing flywheel tachogen 6 is connected with the signal input part of ECU (Electrical Control Unit) 7, and the output control signal of ECU (Electrical Control Unit) 7 is connected with the signal input end of driving engine 1 with self-acting clutch 2 respectively.
Claims (3)
1. series hybrid-power battery-driven car electric supply installation that disposes energy-storing flywheel, mainly comprise: driving engine (1), electrical generator (5), it is characterized in that also comprising self-acting clutch (2), automatic transmission with hydraulic torque converter (3), energy-storing flywheel (4), be installed in the energy-storing flywheel tachogen (6) on the energy-storing flywheel, ECU (Electrical Control Unit) (7), be installed in the engine speed sensor (8) on the driving engine, its mechanical connection manner is: the clutch end of driving engine (1) is connected with the input end of self-acting clutch (2), the mouth of self-acting clutch (2) is connected with the input end of automatic transmission with hydraulic torque converter (3), the mouth of automatic transmission with hydraulic torque converter (3) is connected with the input end of energy-storing flywheel (4), and the mouth of energy-storing flywheel (4) is connected with the input end of electrical generator (5); Its electric connecting mode is: the signal output part of engine speed sensor (8) and energy-storing flywheel tachogen (6) is connected with the signal input part of ECU (Electrical Control Unit) (7), and the output control signal of ECU (Electrical Control Unit) (7) is connected with driving engine 1, self-acting clutch (2) and the signal input end of automatic transmission with hydraulic torque converter (3) respectively.
2. a kind of series hybrid-power battery-driven car electric supply installation that disposes energy-storing flywheel according to claim 1 is characterized in that: the least restrictive working speed N of described driving engine (1)
D1The highest qualification working speed N
D2Ratio less than 0.74, automatic transmission with hydraulic torque converter (3) is a speed ratio I=N
EF/ N
D2Surely than change-speed box, its mechanical connection manner is: the clutch end of driving engine (1) is connected with the input end of self-acting clutch (2), the mouth of self-acting clutch (2) is connected with fixed input end than change-speed box, fixed mouth than change-speed box is connected with the input end of energy-storing flywheel (4), and the mouth of energy-storing flywheel (4) is connected with the input end of electrical generator (5); Its electric connecting mode is: the signal output part of energy-storing flywheel tachogen (6) is connected with the signal input part of ECU (Electrical Control Unit) (7), and the output control signal of ECU (Electrical Control Unit) (7) is connected with the signal input end of driving engine (1) with self-acting clutch (2) respectively.
3. a kind of series hybrid-power battery-driven car electric supply installation that disposes energy-storing flywheel according to claim 1, it is characterized in that: the power of described electrical generator (5) is more than or equal to the power of the driving motor of hybrid-power electric vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201672350U CN201021113Y (en) | 2006-12-01 | 2006-12-01 | Tandem hybrid power electric car power supply device installed with energy-storage flywheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201672350U CN201021113Y (en) | 2006-12-01 | 2006-12-01 | Tandem hybrid power electric car power supply device installed with energy-storage flywheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201021113Y true CN201021113Y (en) | 2008-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201672350U Expired - Fee Related CN201021113Y (en) | 2006-12-01 | 2006-12-01 | Tandem hybrid power electric car power supply device installed with energy-storage flywheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201021113Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101746261A (en) * | 2008-12-16 | 2010-06-23 | 福特全球技术公司 | Flywheel driveline and control arrangement |
| CN102686431A (en) * | 2009-10-20 | 2012-09-19 | 里卡多英国有限公司 | A dual-mode battery |
| CN102906976A (en) * | 2010-03-08 | 2013-01-30 | 佛德瑞克·E·摩根 | Flywheel system with a variable speed drive |
| CN104813074A (en) * | 2012-11-29 | 2015-07-29 | 马克卡车公司 | Series hybrid transmission and gear-shifting method for a series hybrid transmission |
| CN105346525A (en) * | 2015-10-27 | 2016-02-24 | 北京长城华冠汽车科技股份有限公司 | Energy storage and release control method for flywheel in electric automobile |
| CN106704521A (en) * | 2015-11-17 | 2017-05-24 | 熵零股份有限公司 | Energy adjusting method |
-
2006
- 2006-12-01 CN CNU2006201672350U patent/CN201021113Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101746261A (en) * | 2008-12-16 | 2010-06-23 | 福特全球技术公司 | Flywheel driveline and control arrangement |
| CN101746261B (en) * | 2008-12-16 | 2015-04-15 | 福特全球技术公司 | Flywheel driveline and control arrangement |
| CN102686431A (en) * | 2009-10-20 | 2012-09-19 | 里卡多英国有限公司 | A dual-mode battery |
| CN102906976A (en) * | 2010-03-08 | 2013-01-30 | 佛德瑞克·E·摩根 | Flywheel system with a variable speed drive |
| CN104813074A (en) * | 2012-11-29 | 2015-07-29 | 马克卡车公司 | Series hybrid transmission and gear-shifting method for a series hybrid transmission |
| CN105346525A (en) * | 2015-10-27 | 2016-02-24 | 北京长城华冠汽车科技股份有限公司 | Energy storage and release control method for flywheel in electric automobile |
| CN105346525B (en) * | 2015-10-27 | 2018-09-28 | 北京长城华冠汽车科技股份有限公司 | A kind of method of control flywheel storage energy in electric vehicle |
| CN106704521A (en) * | 2015-11-17 | 2017-05-24 | 熵零股份有限公司 | Energy adjusting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Yang Woquan Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Yang Woquan Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080213 Termination date: 20111201 |