CN102248882A - Series-parallel hybrid power coupling device - Google Patents
Series-parallel hybrid power coupling device Download PDFInfo
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- CN102248882A CN102248882A CN2011101384151A CN201110138415A CN102248882A CN 102248882 A CN102248882 A CN 102248882A CN 2011101384151 A CN2011101384151 A CN 2011101384151A CN 201110138415 A CN201110138415 A CN 201110138415A CN 102248882 A CN102248882 A CN 102248882A
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Abstract
The invention provides a series-parallel hybrid power coupling device, which belongs to the technical field of hybrid power automobiles and is used for solving the problems of long axial length and difficulty of arrangement existing in the conventional series-parallel hybrid power driving system. The series-parallel hybrid power coupling device comprises a tank body, a motor shaft I S1, a motor shaft II S4 and an engine output shaft S2, wherein the motor shaft I S1, the motor shaft II S4 and the engine output shaft S2 are arranged on the tank body; an automobile driving shaft S5 is inserted into the tank body 1 and is arranged in parallel with every shaft; at least two of the motor shaft I S1, the motor shaft II S4 and the engine output shaft S2 are arranged in parallel along the axial direction; and a transmission mechanism is arranged between the engine output shaft S2 and the automobile driving shaft S5 and is adopted by the engine output shaft S2 for driving the motor driving shaft S5. According to the series-parallel hybrid power coupling device, the quantity of transition transmission components are reduced, the integrated level is high, the mechanism is compact, the entire space size is reduced, and the overall quality is enhanced; and two motors are arranged side by side, so that the axial size is reduced, the cabin space is utilized fully, and convenience is brought to arrangement and model selecting.
Description
Technical field
The invention belongs to the hybrid vehicle technical field, relate to a kind of parallel-serial hybrid power coupling device.
Background technology
The hybrid power automobile power assembly configuration has series, parallel and three kinds of patterns of series-parallel connection.The series connection pattern is simple in structure, control easily but inefficiency, cost height.Pattern in parallel generally is used for slight A level or the following manned vehicle of A level that mixes; For the B level and more than the B level riding vehicle often adopt the series-parallel connection pattern, and series-parallel connection pattern complex structure, control difficulty, but oil-saving effect is best.
Present parallel-serial hybrid power power assembly of electric automobile generally is made up of driving engine, power-transfer clutch, electrokinetic cell, motor, the synthetic growth device of power, change-speed box, transmission shaft, drive axle, wheel.For realizing clutch, power coupling function, now mainly contain two technology paths: a kind of is to adopt electric control clutch, and power-transfer clutch, power synthesizer, change-speed box all are independent agency, and this scheme advantage is that control is simple, and shortcoming is that transmission device is many, difficult arrangement; Another kind is to adopt sun and planet gear, and advantage is a compact conformation, and arrangement convenience, shortcoming are that driving engine, motor need according to the structural requirement redesign, the type selecting difficulty, and control is complicated.
Summary of the invention
The objective of the invention is at the existing the problems referred to above of existing parallel-serial hybrid power actuating device, and it is shorter to have proposed a kind of axial length, is easy to the parallel-serial hybrid power coupling device of car load master layout.
Purpose of the present invention can realize by following technical proposal: a kind of parallel-serial hybrid power coupling device, comprise casing and motor shaft one S1 that is arranged on the casing, motor shaft two S4 and engine output shaft S2, automobile driving axle S5 be located on the casing 1 and with above-mentioned each be arranged in parallel, it is characterized in that, described motor shaft one S1, has the setting of two axle axial parallels among motor shaft two S4 and the engine output shaft S2 at least, connect by first speed-changing mechanism between motor shaft one S1 and the engine output shaft S2, motor shaft two S4 then link by second speed-changing mechanism and automobile driving axle S5, also are provided with transmission device between described engine output shaft S2 and the automobile driving axle S5 and for engine output shaft S2 automobile driving axle S5 are driven.
In above-mentioned a kind of parallel-serial hybrid power coupling device, described motor shaft one S1 and motor shaft two S4 axial parallels are provided with.
In above-mentioned a kind of parallel-serial hybrid power coupling device, three equal axial parallel settings of described motor shaft one S1, motor shaft two S4 and engine output shaft S2.Than three coaxial arrangement before, whole axial length shortens greatly.
In above-mentioned a kind of parallel-serial hybrid power coupling device, described first speed-changing mechanism comprises the first gear Z1 and the second gear Z2 that is separately positioned on motor shaft one S1 and the engine output shaft S2, and the first gear Z1 is meshed with the second gear Z2.First speed-changing mechanism is a first class reducer structure, engine output shaft S2 connects with first motor M 1 by this first class reducer structure, engine operation is generated electricity with higher rotation speed just driving first motor M 1 than slow speed of revolution, both guaranteed engine operation between optimized working zone, and can guarantee that again first motor M 1 was operated in high efficiency range.
In above-mentioned a kind of parallel-serial hybrid power coupling device, described second speed-changing mechanism comprises variable shaft S3 and the diff D1 that is arranged on the automobile driving axle S5, variable shaft S3 and motor shaft two S4 axial parallels are arranged in the casing, motor shaft two S4 are provided with the 6th gear Z6, variable shaft S3 is provided with the 4th gear Z4 and the 5th gear Z5, diff D1 is provided with the 3rd gear Z3, and wherein the 3rd gear Z3 and the 4th gear Z4 are meshed, and the 5th gear Z5 is meshed with the 6th gear Z6.Second speed-changing mechanism is a secondary speed-reducing mechanism, and second motor M 2 links to each other with diff D1 by this twice speed reduction gearing, can realize the large speed ratio speed changing function, has reduced the requirement to the Gear Processing precision again, can realize batch manufacturing.
In above-mentioned a kind of parallel-serial hybrid power coupling device, described transmission device comprises transmission shaft S6, self-acting clutch C1 and is arranged on the 7th gear Z7 on the engine output shaft S2, transmission shaft S6 is provided with the 9th gear Z9 and the octadentate wheel Z8 that is meshed with above-mentioned the 3rd gear Z3 and the 7th gear Z7 respectively, Z8 is coaxial is connected for the input end of self-acting clutch C1 and octadentate wheel, and the mouth of self-acting clutch C1 is connected with transmission shaft S6 is coaxial.
Transmission device also is as a two reduction gear, and engine output shaft S2 connects with diff D1 by this transmission device, and passes through the control of self-acting clutch C1, realizes the coupling of power, participates in the driving of car load in good time.
In above-mentioned a kind of parallel-serial hybrid power coupling device, described transmission shaft S6 and engine output shaft S2 axial parallel are provided with.
In above-mentioned a kind of parallel-serial hybrid power coupling device, all connect between above-mentioned each two ends and the casing by bearing.
Compared with prior art, the invention provides that a kind of integrated clutch that has an electric control clutch, power are synthetic, speed changing function, differential be in the parallel-serial hybrid power coupling device of one.The present invention has reduced the transition drive disk assembly, and integrated level height, mechanism's compactness have reduced overall space size and single-piece quality; Two electrical motors can be arranged side by side, and reduce axial dimension, make full use of cabin space, are convenient to arrange make things convenient for type selecting again; Control executing mechanism of the present invention is an electric control clutch, and principle of work is simple, is convenient to automatic guidance.
Description of drawings
Fig. 1 is the structural representation of this parallel-serial hybrid power coupling device.
Fig. 2 is the structural representation of this parallel-serial hybrid power coupling device when being applied in the power system.
The specific embodiment
Below be specific embodiments of the invention and in conjunction with the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As shown in Figure 1, this series hybrid-power coupling device comprises casing 1 and motor shaft one S1, the motor shaft S4 and the engine output shaft S2 that are arranged in the casing 1, automobile driving axle S5 passes casing 1, motor shaft one S1 is provided with the first gear Z1, engine output shaft S2 is provided with the second gear Z2, the first gear Z1 and the second gear Z2 are meshed, and motor shaft S4 is provided with the 6th gear Z6.Automobile driving axle S5 is provided with diff D1, diff D1 is provided with the 3rd gear Z3, be provided with variable shaft S3 between motor shaft S4 and the automobile driving axle S5, in the present embodiment, this variable shaft S3 and above-mentioned motor shaft one S1, the same parallel laying with engine output shaft S2 of motor shaft S4 are on casing 1, and variable shaft S3 is provided with the 4th gear Z4 and the 5th gear Z5 that is meshed with above-mentioned the 3rd gear Z3 and the 6th gear Z6 respectively.
Parallel laying has transmission shaft S6 between engine output shaft S2 and the automobile driving axle S5, transmission shaft S6 is provided with the 9th gear Z9, octadentate wheel and self-acting clutch C1, Z8 is coaxial is connected for the input end of self-acting clutch C1 and octadentate wheel, the mouth of self-acting clutch C1 is connected with transmission shaft S6 is coaxial, the 9th gear Z9 and above-mentioned the 3rd gear Z3 engagement, and also be provided with the 7th gear Z7 that is meshed with described octadentate wheel Z8 on the engine output shaft S2.All connect between above-mentioned each two ends and the casing 1 by bearing.
As shown in Figure 2, this coupling device is applied in the parallel-serial hybrid power drive system, and motor shaft one S1 connects with first motor M 1, and motor shaft S4 connects with second motor M 2, engine output shaft S2 then links with driving engine E, and the two ends of automobile driving axle S5 connect with wheel.
The function that drive system possessed and the implementation of this series-parallel connection scheme are as follows:
1, first motor M, 1 start the engine E
First motor M 1 can be done starter motor usefulness, and when vehicle needed driving engine E work, first motor M 1 started, by the first gear Z1 and the second gear Z2 start the engine E, and when driving engine E reaches the startup rotating speed, driving engine E fuel-feed system fuel feeding, ignition engine E.
2, driving engine E drives 1 generating of first motor M
Driving engine E links to each other with first motor M 1 by the first class reducer structure, driving engine E is operated in and just can drives first motor M 1 than slow speed of revolution and generate electricity with higher rotation speed, both guaranteed that driving engine E was operated between optimized working zone, can guarantee that again first motor M 1 is operated in high efficiency range, the series hybrid-power structure of comparing coaxial arrangement has greatly improved work efficiency.
3, second motor M, 2 powered vehicle
4, electrokinetic cell SOC value is higher than lower limit
When A, road speed were lower than second motor M, 2 rating horsepowers to the requirement of car load power, car load was driven by electric-only mode.
When B, road speed were higher than second motor M, 2 rating horsepowers to the requirement of car load power, car load was by by parallel connection or series-parallel connection mode activated.During paralleling model, self-acting clutch C1 adhesive, the driving engine E and second motor M 2 drive running car together, and driving engine E only drives and does not generate electricity at this moment, 1 idle running of first motor M.During the series-parallel connection pattern, the same adhesive of self-acting clutch C1, this moment, driving engine E not only participated in drivings of travelling of automobile, also drive first motor M 1 and generate electricity, generate electricity and can directly supply with 2 uses of second motor M, also can charge to electrokinetic cell.
5, electrokinetic cell SOC value is lower than lower limit
When A, road speed can not reach the driving engine E work area of setting to the requirement of driving engine E rotating speed, car load was driven by series model, not adhesive of self-acting clutch C1, and this moment, driving engine E worked in optimum oil consumption zone generating, did not participate in running car and drove.
When B, road speed reach the driving engine E work area that sets in advance to the requirement of driving engine E rotating speed, car load is by the series-parallel connection mode activated, self-acting clutch C1 adhesive, this moment, driving engine E worked in optimum oil consumption zone, had not only participated in travelling of automobile and had driven but also drive first motor M 1 and generate electricity.
When C, road speed exceed the optimum oil consumption of driving engine E zone to the requirement of driving engine E rotating speed, self-acting clutch C1 adhesive, car load is directly driven by driving engine E, and 1 idle running of first motor M is not generated electricity.
6, regenerative brake pattern
A, pure electronic operating mode: if electrokinetic cell can be accepted charging, then step on brake pedal, second motor M 2 works in generating state, reclaims braking energy;
When B, driving engine E direct drive: if only regain Das Gaspedal, self-acting clutch C1 disconnects, and driving engine E power replenishes electrokinetic cell by 1 generating of first motor M, to utilize the idling operation recuperated energy; Step on brake pedal simultaneously if regain Das Gaspedal, second motor M 2 works in generating state, reclaims braking energy;
When C, series model: step on brake pedal, second motor M 2 switches to power generation mode by electric model, reclaims braking energy.
Specific embodiment described herein only is that spirit of the present invention is made casehistory.The technical personnel of the technical field of the invention can be made various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (8)
1. parallel-serial hybrid power coupling device, comprise casing (1) and be arranged on motor shaft one (S1) on the casing (1), motor shaft two (S4) and engine output shaft (S2), automobile driving axle (S5) be located in that casing (1) is gone up and with above-mentioned each be arranged in parallel, it is characterized in that, described motor shaft one (S1), has the setting of two axle axial parallels at least in motor shaft two (S4) and the engine output shaft (S2), connect by first speed-changing mechanism between motor shaft one (S1) and the engine output shaft (S2), motor shaft two (S4) then links by second speed-changing mechanism and automobile driving axle (S5), also is provided with transmission device between described engine output shaft (S2) and the automobile driving axle (S5) and for engine output shaft (S2) automobile driving axle (S5) is driven.
2. a kind of parallel-serial hybrid power coupling device according to claim 1 is characterized in that, described motor shaft one (S1) and the setting of motor shaft two (S4) axial parallel.
3. a kind of parallel-serial hybrid power coupling device according to claim 2 is characterized in that, described motor shaft one (S1), motor shaft two (S4) and three equal axial parallel settings of engine output shaft (S2).
4. according to claim 1 or 2 or 3 described a kind of parallel-serial hybrid power coupling devices, it is characterized in that, described first speed-changing mechanism comprises first gear (Z1) and second gear (Z2) that is separately positioned on motor shaft one (S1) and the engine output shaft (S2), and first gear (Z1) is meshed with second gear (Z2).
5. a kind of parallel-serial hybrid power coupling device according to claim 4, it is characterized in that, described second speed-changing mechanism comprises variable shaft (S3) and is arranged on diff (D1) on the automobile driving axle (S5), variable shaft (S3) is arranged in the casing (1) with motor shaft two (S4) axial parallel, motor shaft two (S4) is provided with the 6th gear (Z6), variable shaft (S3) is provided with the 4th gear (Z4) and the 5th gear (Z5), diff (D1) is provided with the 3rd gear (Z3), wherein the 3rd gear (Z3) and the 4th gear (Z4) are meshed, and the 5th gear (Z5) is meshed with the 6th gear (Z6).
6. a kind of parallel-serial hybrid power coupling device according to claim 5, it is characterized in that, described transmission device comprises transmission shaft (S6), self-acting clutch (C1) and is arranged on the 7th gear (Z7) on the engine output shaft (S2), transmission shaft (S6) is provided with the 9th gear (Z9) and the octadentate wheel (Z8) that is meshed with above-mentioned the 3rd gear (Z3) and the 7th gear (Z7) respectively, (Z8) is coaxial is connected the mouth of self-acting clutch (C1) and coaxial being connected of transmission shaft (S6) for the input end of self-acting clutch (C1) and octadentate wheel.
7. a kind of parallel-serial hybrid power coupling device according to claim 6 is characterized in that, described transmission shaft (S6) and the setting of engine output shaft (S2) axial parallel.
8. a kind of parallel-serial hybrid power coupling device according to claim 7 is characterized in that, all connects by bearing between above-mentioned each two ends and the casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101384151A CN102248882A (en) | 2011-05-26 | 2011-05-26 | Series-parallel hybrid power coupling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101384151A CN102248882A (en) | 2011-05-26 | 2011-05-26 | Series-parallel hybrid power coupling device |
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| CN102248882A true CN102248882A (en) | 2011-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101384151A Pending CN102248882A (en) | 2011-05-26 | 2011-05-26 | Series-parallel hybrid power coupling device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815295A (en) * | 2012-08-23 | 2012-12-12 | 浙江吉利汽车研究院有限公司杭州分公司 | Power control method of combined hybrid electric vehicle |
| CN105291804A (en) * | 2015-11-09 | 2016-02-03 | 阿尔特汽车技术股份有限公司 | Power system of plugging-in hybrid power vehicle model |
| CN108099894A (en) * | 2018-01-02 | 2018-06-01 | 北京汽车股份有限公司 | Control method, power-driven system and the hybrid vehicle of hybrid vehicle |
| CN108561513A (en) * | 2018-01-02 | 2018-09-21 | 北京汽车股份有限公司 | Speed changer, power-driven system and vehicle |
| CN111098687A (en) * | 2019-12-27 | 2020-05-05 | 中国第一汽车股份有限公司 | Hybrid power system and hybrid power vehicle |
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Patent Citations (7)
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| JPH11254982A (en) * | 1998-03-09 | 1999-09-21 | Kyowa Gokin Kk | Drive device for automobile |
| US20020073802A1 (en) * | 1999-04-21 | 2002-06-20 | Hitachi Ltd. | Power transmission system of an automobile |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815295A (en) * | 2012-08-23 | 2012-12-12 | 浙江吉利汽车研究院有限公司杭州分公司 | Power control method of combined hybrid electric vehicle |
| CN102815295B (en) * | 2012-08-23 | 2015-10-28 | 浙江吉利汽车研究院有限公司杭州分公司 | A kind of power-control method of series parallel hybrid power vehicle |
| CN105291804A (en) * | 2015-11-09 | 2016-02-03 | 阿尔特汽车技术股份有限公司 | Power system of plugging-in hybrid power vehicle model |
| CN108099894A (en) * | 2018-01-02 | 2018-06-01 | 北京汽车股份有限公司 | Control method, power-driven system and the hybrid vehicle of hybrid vehicle |
| CN108561513A (en) * | 2018-01-02 | 2018-09-21 | 北京汽车股份有限公司 | Speed changer, power-driven system and vehicle |
| CN111098687A (en) * | 2019-12-27 | 2020-05-05 | 中国第一汽车股份有限公司 | Hybrid power system and hybrid power vehicle |
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Application publication date: 20111123 |