CN203344752U - Range extending system of extended-range electric car and extended-range electric car - Google Patents
Range extending system of extended-range electric car and extended-range electric car Download PDFInfo
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- CN203344752U CN203344752U CN2013202853264U CN201320285326U CN203344752U CN 203344752 U CN203344752 U CN 203344752U CN 2013202853264 U CN2013202853264 U CN 2013202853264U CN 201320285326 U CN201320285326 U CN 201320285326U CN 203344752 U CN203344752 U CN 203344752U
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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
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Abstract
The utility model provides a range extending system of an extended-range electric car and the extended-range electric car. The range extending system of the extended-range electric car comprises an engine, an electric generator, a planetary gear mechanism and a torsion damper. The planetary gear mechanism is composed of a gear ring, a sun wheel, a planet carrier and a planet gear. One end of the torsion damper is connected with a crankshaft of the engine, and the other end of the torsion damper is connected with the planet carrier of the planetary gear mechanism. The sun wheel of the planetary gear mechanism is fixedly connected to a fixing component of the electric generator, the gear ring is connected with a generator rotor of the electric generator, and the planetary gear mechanism transmits engine power transmitted by the torsion damper to the generator rotor. According to the range extending system of the extended-range electric car, the planetary gear mechanism is arranged between the engine and the electric generator and serves as a speed change device, therefore, coaxial and speed-increasing power transmission between the engine and the electric generator is achieved, generator efficiency is improved, and the generator efficiency can be improved greatly especially when the car runs at a low speed.
Description
Technical field
The utility model relates to automobile technical field, and what be specifically related to a kind of stroke-increasing electric automobile increases journey system and stroke-increasing electric automobile.
Background technology
Along with day by day increasing the weight of of global energy shortage and environmental pollution, the automobile in one of main source of one of main terminal of energy resource consumption and noxious gas emission has become the focus of energy-saving and emission-reduction, and hybrid vehicle arises at the historic moment just under this background.Hybrid vehicle is exactly by improving operating efficiency realization reduction fuel oil consumption and the discharge of power system.
Since Toyota Prius in 1997 (general sharp this) is introduced to the market, it is fast-developing that Development of HEV Technology presents variation.For progressively to pure electronic future development and transition, except the technological improvement of conventional hybrid vehicle, released one after another again plug-in hybrid-power automobile and stroke-increasing electric automobile of each large automobile vendor both at home and abroad.Wherein, the power-driven system of stroke-increasing electric automobile comprises driving engine, electrokinetic cell, two motors, and one is travelled as the drive motor independent driving automobile, and another motor is as electrical generator, by engine drive, to battery, charge or power to drive motor.
The generator unit be comprised of driving engine and electrical generator, be connected with outside machinery-free, can be independently and the speed of a motor vehicle operate in efficient district to arrive the effect that reduces oil consumption and discharge.But, the peak efficiency rotating speed of driving engine is generally low than the peak efficiency rotating speed of electrical generator, especially when the automobile low speed driving, for guaranteeing car load NVH(noise, vibration and sound vibration roughness) characteristic, driving engine can, with than slow speed of revolution (generally below 1500rpm) running, therefore, only have and need to realize the speedup transmission of driving engine to electrical generator, the guarantee electrical generator operates in efficient district all the time, improves the efficiency of whole power generating system.Simultaneously, be conserve space and lightweight to greatest extent, and the leak tightness that improves system, should adopt driving engine to transmit to generator coaxle.
Common electronlmobil increases in the journey pattern in the market, and it is all to adopt driving engine through power-transfer clutch or independent torsional vibration damper basically that driving engine is connected with electrical generator, by spline joint, drives electrical generator, and electrical generator moves with identical rotating speed with driving engine.Driving engine, through power-transfer clutch or independent torsional vibration damper, drives the mechatronics scheme of electrical generator by spline joint, can realize that engine speed independently controls, and makes it in the operation of efficient district, but that the rotating speed of electrical generator also needs is identical with engine speed.Peak efficiency rotating speed district and the driving engine of common alternator for vehicle are inconsistent, especially when the automobile low speed driving, driving engine guarantees car load NVH(noise, vibration and sound vibration roughness with lower rotating speed operation) characteristic, and now the work efficiency of electrical generator is low-down, general 0.8 left and right, or lower.Therefore, can not guarantee that electrical generator is in the operation of efficient district, the automobile especially travelled under the operating mode of city, make the generating efficiency of electrical generator can further improve.And realize the connection scheme of driving engine to the transmission of electrical generator speedup by the anchor shaft gear cluster, and make the power transmission disalignment of driving engine and electrical generator, larger space be need to take, and system sealing and lightweight are unfavorable for.
The utility model content
Feature and advantage of the present utility model are partly statement in the following description, or can describe obviously from this, or can learn by putting into practice the utility model.
For overcoming the problem of prior art, what the utility model provided a kind of stroke-increasing electric automobile increases journey system and stroke-increasing electric automobile, between driving engine and electrical generator, adopt sun and planet gear as transmission system, driving engine and generator coaxle and speedup transferring power have been realized, improved dynamo efficiency, especially dynamo efficiency promotes obviously during the automobile low speed driving.
It is as follows that the utility model solves the problems of the technologies described above adopted technical scheme:
According to an aspect of the present utility model, what a kind of stroke-increasing electric automobile was provided increases the journey system, comprises driving engine and electrical generator, also comprises:
Sun and planet gear, it is comprised of gear ring, sun wheel, pinion carrier and satellite gear;
Torsional vibration damper, the bent axle of one end connecting engine, the other end connects the pinion carrier of sun and planet gear;
Wherein, the sun wheel of sun and planet gear is fixedly connected on the fixed parts of electrical generator, and gear ring is connected with the generator amature of electrical generator, and the engine power that sun and planet gear passes over torsional vibration damper passes to generator amature.
According to an embodiment of the present utility model, torsional vibration damper directly is connected or is connected on crankshaft-flywheel by power-transfer clutch with the bent axle of driving engine by coupler.
According to an embodiment of the present utility model, the clutch plate hub central authorities of torsional vibration damper are provided with female splines, by spline, with the pinion carrier of sun and planet gear, are connected.
According to an embodiment of the present utility model, gear ring is connected with generator amature by spline.
According to an embodiment of the present utility model, generator amature is coaxial with the bent axle of driving engine.
According to an embodiment of the present utility model, the sun wheel of sun and planet gear is fixedly connected on the fixed parts of electrical generator by anchor shaft.
According to an embodiment of the present utility model, anchor shaft is coaxial with the bent axle of driving engine.
According to an embodiment of the present utility model, an end of anchor shaft is connected with the sun wheel of sun and planet gear, and the other end is fixedly connected on generator end and covers.
According to an embodiment of the present utility model, anchor shaft be fixed on by key that generator end covers or directly and generator ' s cover be made of one.
According to another aspect of the present utility model, a kind of stroke-increasing electric automobile is provided, comprise increasing the journey system as the described stroke-increasing electric automobile of above-mentioned arbitrary technical scheme.
What the utility model provided a kind of stroke-increasing electric automobile increases journey system and stroke-increasing electric automobile, between driving engine and electrical generator, adopt sun and planet gear as transmission system, realize driving engine and generator coaxle and speedup transferring power, improve dynamo efficiency, especially dynamo efficiency promotes obviously during the automobile low speed driving.Because the input and output of sun and planet gear have coaxial nature, therefore by adopting sun and planet gear can realize the coaxial transmission of driving engine to electrical generator.The utility model at control engine in the operation of efficient district, also can guarantee that electrical generator is operated in efficient district, the low problem of generating efficiency while having solved preferably the electronlmobil low speed driving, also make the shared space of driving engine and generator system less and be easy to the sealing.Driving engine is in transmission connection with the coaxial speedup of electrical generator, actv. is improved to the electromechanical integration level that increases the journey system of the dynamo efficiency that increases the journey system automobile and the stroke-increasing electric automobile of stroke-increasing electric automobile, reduces fuel oil consumption.
By reading specification sheets, those of ordinary skills will understand feature and the content of these technical schemes better.
The accompanying drawing explanation
Below by the reference accompanying drawing and in conjunction with example, the utility model is described particularly, advantage of the present utility model and implementation will be more obvious, wherein content shown in accompanying drawing is only for explaining to of the present utility model, and do not form the restriction of going up in all senses of the present utility model, in the accompanying drawings:
The connection structure schematic diagram that Fig. 1 is the utility model embodiment.
The specific embodiment
As shown in Figure 1, for realizing that driving engine is to the transmission of electrical generator speedup, improve the work efficiency of electrical generator, and solve the power transmission disalignment of driving engine and electrical generator, need to take larger space, and be unfavorable for system sealing and weight-saving problem.What the utility model provided a kind of stroke-increasing electric automobile increases the journey system, comprises driving engine and electrical generator, also comprises: sun and planet gear 10, and it is comprised of gear ring 11, sun wheel 12, pinion carrier 13 and satellite gear 14; Torsional vibration damper 20, the bent axle of one end connecting engine 100, the other end connects the pinion carrier 13 of sun and planet gear 10; Wherein, the sun wheel 12 of sun and planet gear 10 is fixedly connected on the fixed parts of electrical generator, and gear ring 11 is connected with the generator amature of electrical generator, and the engine power that sun and planet gear 10 passes over torsional vibration damper passes to generator amature 200.Torsional vibration damper passes to sun and planet gear 10 by driving engine 100 rotating speeds by spline, and sun and planet gear 10 amplifies rotating speed, then passes to generator amature 200 by spline, thereby realizes the coaxial speedup transmission from driving engine 100 to electrical generator.Because the input and output of sun and planet gear have coaxial nature, therefore by adopting sun and planet gear can realize the coaxial transmission of driving engine to electrical generator.
The sun wheel 12 of sun and planet gear 10 is fixedly connected on the fixed parts of electrical generator by anchor shaft 30.Anchor shaft 30 1 ends be fixed on by key that generator end covers or directly and generator ' s cover be made of one, the other end is connected with the sun wheel 12 of sun and planet gear 10 by key, because generator ' s cover is fixed, thereby realize the fixedly function of sun wheel 12; Anchor shaft 30 is coaxial with the bent axle of driving engine 100.One end of anchor shaft 30 is connected with the sun wheel 12 of sun and planet gear 10, and the other end is fixedly connected on generator end and covers.Gear ring 11 is connected with generator amature 200 by spline.Generator amature 200 is coaxial with the bent axle of driving engine 100.
What the utility model was mainly used in stroke-increasing electric automobile increases the journey system, realizes coaxial and speedup transferring power, improves dynamo efficiency, and especially dynamo efficiency promotes obvious during the automobile low speed driving.Driving engine is in transmission connection with the coaxial speedup of electrical generator, actv. is improved to the electromechanical integration level of dynamo efficiency and the stroke-increasing electric automobile of stroke-increasing electric automobile, reduces fuel oil consumption.
Thereby in available engine and electrical generator connection scheme product, exist driving engine and electrical generator to affect the electrical generator work efficiency by constant speed drive, and the waste of the gear-driven space of disalignment and the defect that is difficult to sealing, the utility model designs for these problems just.The utility model embodiment takes full advantage of generator amature 200 inner spaces, adopt sun and planet gear 10 to connect, sun wheel 12 is fixed on to generator end and covers, by pinion carrier 13 input engine speeds, gear ring 11 is connected with generator amature, the generating of driving electrical generator, the number of teeth of establishing sun wheel 12 is Z1, the number of teeth of gear ring 11 is Z2(Z2 ﹥ Z1), transmitting ratio i=Z2/(Z1+Z2 now), and 0.5 ﹤ i ﹤ 1, can realize the speedup transmission of small scale, as shown in Figure 1.Simultaneously, sun and planet gear 10 has the characteristics of coaxial transmission, can take full advantage of the inner space of generator amature 200, thereby makes driving engine 100 and electrical generator height integrated, conserve space and raising system sealing.
Torsional vibration damper and the torsional vibration damper in conventional clutch in the utility model embodiment are similar, but owing to there not being power-transfer clutch in this structure, need torsional vibration damper directly to be connected with bent axle, can be by increasing coupler or directly changing the torsional vibration damper structure and realize; Adopt torsional vibration damper and do not adopt power-transfer clutch, that driving engine 100 due to stroke-increasing electric automobile is generating with the function of generator system, to power battery charging or directly power to drive motor, with outside machinery-free, be connected, rotating speed can independently be controlled and without cutting off the power transmission of driving engine 100 with electrical generator, therefore, without adding power-transfer clutch, thereby reduce degradation of energy.Sun and planet gear 10 comprises a sun wheel 12, gear ring 11, pinion carrier 13 and a several rows star-wheel 14, and the number needs of satellite gear 14 will be determined in specific design; Anchor shaft 30 can be used as independently the axle class component and exists, also can be using itself and generator ' s cover as one.
Fig. 1 is embodiment of the present utility model, the damper disk of torsional vibration damper 20 is connected with engine crankshaft by bolt, torsional vibration damper 20 adopts spline joint structure 41 with sun and planet gear 10, there is female splines in the clutch plate hub central authorities of torsional vibration damper 20, can with the pinion carrier 13 of sun and planet gear 10, be connected by spline joint structure 41; Now, the sun wheel 12 of sun and planet gear 10 is fixed on generator end by anchor shaft 30 and covers; Therefore, the gear ring 11 in sun and planet gear 10 is same to be connected with generator amature 200 by spline joint structure 51, and the rotating speed after increasing is passed to electrical generator.
The utility model adopts sun and planet gear 10 as transmission system, realized speedup transmission and the coaxial transmission of driving engine 100 to electrical generator simultaneously, at control engine 100 in the operation of efficient district, also can guarantee that electrical generator is operated in efficient district, the low problem of generating efficiency while preferably resolving the stroke-increasing electric automobile low speed driving, the utility model also makes the shared space of driving engine 100 and generator system less and be easy to sealing.
Simultaneously, the utility model embodiment also provides a kind of stroke-increasing electric automobile, comprises increasing the journey system as the described stroke-increasing electric automobile of above-mentioned technical scheme.
The utility model is applied on stroke-increasing electric automobile, adopt sun and planet gear as transmission system, realized speedup transmission and the coaxial transmission of driving engine to electrical generator simultaneously, can be when guaranteeing the engine high-efficiency running, make electrical generator be operated in equally efficient district, thereby improve the whole efficiency of power generating system, effectively improve low fuel oil consumption, especially dynamo efficiency promotes obviously during the automobile low speed driving; Effectively reduce bulk and the quality of driving engine and generator system simultaneously, realize lightweight.
It is example that a certain amount of money of take is determined the electrical generator that power is 15kW, and when automobile, during at low speed driving, the working speed of supposing driving engine 100 is 1000rpm, while adopting constant speed to connect, generator speed is also 1000rpm, if generated output is 6kW, electrical generator work efficiency now is 0.80; If being in transmission connection shown in employing Fig. 1, transmitting ratio is 0.67, and the rotating speed of electrical generator is 1500rpm, and the efficiency under identical generated output is 0.87, and dynamo efficiency has improved 7%; Even, when driving engine 100 peak efficiency rotating speed 2500rpm, generator speed is 3750rpm, dynamo efficiency has also improved 1.5% during with respect to the lower 2500rpm of same power (rating horsepower).Therefore, the utility model can effectively improve the work efficiency of electrical generator, thereby reduces fuel oil consumption, especially when the automobile low speed driving.At present, under the operating mode of city, the vehicle most of the time travels under the low speed, and the work efficiency of electrical generator is generally lower, so the utility model is at stroke-increasing electric automobile and increase application under the journey pattern and will obtain obvious effect.
Above with reference to the accompanying drawings of preferred embodiment of the present utility model, those skilled in the art do not break away from scope of the present utility model and essence, can have multiple flexible program to realize the utility model.For example, the feature that illustrates or describe as the part of an embodiment can be used for another embodiment to obtain another embodiment.These are only the better feasible embodiment of the utility model, not thereby limit to interest field of the present utility model, the equivalence that all utilization the utility model specification sheetss and accompanying drawing content are done changes, within all being contained in interest field of the present utility model.
Claims (10)
- A stroke-increasing electric automobile increase the journey system, comprise driving engine and electrical generator, it is characterized in that, also comprise:Sun and planet gear, it is comprised of gear ring, sun wheel, pinion carrier and satellite gear;Torsional vibration damper, the one end connects the bent axle of described driving engine, and the other end connects the pinion carrier of described sun and planet gear;Wherein, the sun wheel of described sun and planet gear is fixedly connected on the fixed parts of described electrical generator, described gear ring is connected with the generator amature of described electrical generator, and the engine power that described sun and planet gear passes over described torsional vibration damper passes to described generator amature.
- Stroke-increasing electric automobile according to claim 1 increase the journey system, it is characterized in that, described torsional vibration damper directly is connected or is connected on crankshaft-flywheel by power-transfer clutch with the bent axle of described driving engine by coupler.
- Stroke-increasing electric automobile according to claim 1 increase the journey system, it is characterized in that, the clutch plate hub central authorities of described torsional vibration damper are provided with female splines, by spline, with the pinion carrier of described sun and planet gear, are connected.
- Stroke-increasing electric automobile according to claim 1 increase the journey system, it is characterized in that, described gear ring is connected with described generator amature by spline.
- Stroke-increasing electric automobile according to claim 1 increase the journey system, it is characterized in that, described generator amature is coaxial with the bent axle of described driving engine.
- Stroke-increasing electric automobile according to claim 1 increase the journey system, it is characterized in that, the sun wheel of described sun and planet gear is fixedly connected on the fixed parts of described electrical generator by anchor shaft.
- Stroke-increasing electric automobile according to claim 6 increase the journey system, it is characterized in that, described anchor shaft is coaxial with the bent axle of described driving engine.
- Stroke-increasing electric automobile according to claim 6 increase the journey system, it is characterized in that, an end of described anchor shaft is connected with the sun wheel of described sun and planet gear, the other end is fixedly connected on generator end and covers.
- Stroke-increasing electric automobile according to claim 8 increase the journey system, it is characterized in that, described anchor shaft be fixed on by key that generator end covers or directly and described generator ' s cover be made of one.
- 10. a stroke-increasing electric automobile, is characterized in that, what comprise stroke-increasing electric automobile as claimed in any one of claims 1-9 wherein increases the journey system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202853264U CN203344752U (en) | 2013-05-22 | 2013-05-22 | Range extending system of extended-range electric car and extended-range electric car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202853264U CN203344752U (en) | 2013-05-22 | 2013-05-22 | Range extending system of extended-range electric car and extended-range electric car |
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| CN203344752U true CN203344752U (en) | 2013-12-18 |
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| CN2013202853264U Expired - Lifetime CN203344752U (en) | 2013-05-22 | 2013-05-22 | Range extending system of extended-range electric car and extended-range electric car |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787433A (en) * | 2016-11-28 | 2017-05-31 | 上海理工大学 | Atkinson cycle engine electricity generation system |
| CN108995542A (en) * | 2018-09-06 | 2018-12-14 | 广西玉柴机器股份有限公司 | Motor integrated electric automobile distance increasing unit |
| CN112297884A (en) * | 2019-07-26 | 2021-02-02 | 比亚迪股份有限公司 | Range-extending driving system and vehicle with same |
| CN112297885A (en) * | 2019-07-26 | 2021-02-02 | 比亚迪股份有限公司 | Range-extending driving system and vehicle with same |
-
2013
- 2013-05-22 CN CN2013202853264U patent/CN203344752U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787433A (en) * | 2016-11-28 | 2017-05-31 | 上海理工大学 | Atkinson cycle engine electricity generation system |
| CN108995542A (en) * | 2018-09-06 | 2018-12-14 | 广西玉柴机器股份有限公司 | Motor integrated electric automobile distance increasing unit |
| CN112297884A (en) * | 2019-07-26 | 2021-02-02 | 比亚迪股份有限公司 | Range-extending driving system and vehicle with same |
| CN112297885A (en) * | 2019-07-26 | 2021-02-02 | 比亚迪股份有限公司 | Range-extending driving system and vehicle with same |
| CN112297885B (en) * | 2019-07-26 | 2022-06-14 | 比亚迪股份有限公司 | Range-extending driving system and vehicle with same |
| CN112297884B (en) * | 2019-07-26 | 2022-08-09 | 比亚迪股份有限公司 | Range-extending driving system and vehicle with same |
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Granted publication date: 20131218 |
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| CX01 | Expiry of patent term |