CN102555764A - Hybrid engine accessory driving system - Google Patents
Hybrid engine accessory driving system Download PDFInfo
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- CN102555764A CN102555764A CN2012100294307A CN201210029430A CN102555764A CN 102555764 A CN102555764 A CN 102555764A CN 2012100294307 A CN2012100294307 A CN 2012100294307A CN 201210029430 A CN201210029430 A CN 201210029430A CN 102555764 A CN102555764 A CN 102555764A
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- engine
- belt pulley
- crankshaft
- pulley
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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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Abstract
The invention discloses an engine accessory driving system of a hybrid electric vehicle. The engine accessory driving system comprises a one-way overrunning crankshaft belt pulley, a tension pulley, a generator belt pulley, a boosting steering pump belt pulley, a water pump belt pulley, an air conditioning compressor belt pulley, a poly V-belt and an engine crankshaft. An outer ring of the one-way overrunning crankshaft belt pulley is sequentially connected with engine accessories by the poly V-belt, and an inner ring of the one-way overrunning crankshaft belt pulley is rigidly connected with the engine crankshaft. When an engine works normally, the one-way overrunning crankshaft belt pulley is combined with the engine accessories and the engine crankshaft and drives the engine accessories; and when the engine stops, the one-way overrunning crankshaft belt pulley is separated from the engine accessories and the engine crankshaft, and a generator drives the accessories. Many problems due to interruption of the accessories when the engine stop are effectively solved, inheritance of the engine accessories is good, and the engine accessory driving system has the advantages of low implementation cost, high reliability and the like and is applicable to all hybrid electric vehicles except for hybrid electric vehicles with BSG (belt starter generators).
Description
Technical field
What the present invention relates to is automobile technical field, specifically is a kind of hybrid power engine accessory drive system.
Background technology
In the face of the exhaustion of oil resources, soaring oil prices is the reality that we have to face, and resource deficient and to the pollution of the earth all impels all over the world government and knowledgeable people to actively seeking good plan future.Under this background, new-energy automobile has obtained development rapidly, wherein; The promotion and application of hybrid vehicle obtain significant progress; After adopting hybrid power, combustion engine work area commonly used is adjusted to the optimum condition that oil consumption is low, pollution is few, when quickening; Need high-power output, the power of IC engine insufficient section is replenished by battery; Load after a little while, power more than needed can generate electricity and charge the battery because the sustainable work of combustion engine, battery can constantly obtain charging again, so its stroke is the same with general-utility car, and can reclaim the energy of braking, descending and idling operation very easily; During low speed driving, can close down combustion engine,, realize " zero " discharging by the battery independent drive.General sharp this of present Japanese Toyota takes the lead in this art, and realized industrial scale production, and accumulative total is sold above 3,000,000; This achievement is enough to explain that the growth momentum of current hybrid power is very powerful; Japan not only, US and European all has the product of oneself constantly to release in this field, though new-energy automobile has multiple pattern and scheme available; But popularization hybrid vehicle; Have and need not existing automobile Infrastructure is carried out any transformation, fully with the same advantage of use regular fuel automobile, so hybrid power and plug-in hybrid-power automobile will be the major technique means of new-energy automobile future development.
Summary of the invention
The present invention provides a kind of hybrid power engine accessory drive system for solving the technical matters that exists in the known technology, and this system not only can solve hybrid power accessory drive problem, and can reduce hybrid power cost, raising reliability.
The technical scheme that the present invention takes for the technical matters that exists in the solution known technology is: a kind of hybrid power engine accessory drive system; Comprise through polywedge bet bonded assembly mono-directional overrun crank shaft pulley successively, tension wheel, dynamo pulley, servo-steering pump belt pulley, engine water pump belt pulley wheel and air-conditioning compressor belt pulley; Said mono-directional overrun crank shaft pulley outer ring is connected with above-mentioned engine accessory power rating, and said mono-directional overrun crank shaft pulley inner ring and engine crankshaft are rigidly connected; During the driving engine normal operation, the mono-directional overrun crank shaft pulley is in bonding state, uses the engine drive annex; When engine shutdown, the mono-directional overrun crank shaft pulley is in released state, is worked by the generator drive engine accessory power rating.
Advantage and good effect that the present invention has are:
1) engine accessory power rating can use driven in two modes, guarantees that annexes such as air-conditioning, power steering, water pump keep continuous working.
2) during the engine shutdown; Utilize the generator drive annex, through the mono-directional overrun crank shaft pulley engine crankshaft is isolated, electrical generator only drives the annex operation; Guaranteeing effectively to reduce electric generator/electric motor power under original accessory drive structure unmodified prerequisite.
3) the engine accessory power rating inheritance is good, is particularly suitable on the orthodox car basis, reequiping hybrid power, for hybrid power cost-cutting, raising reliability and industrialization provide a kind of good solution.
4) can be applied to all hybrid vehicles except that BSG.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 passes through electric control clutch and automobile brake power-assisted vacuum pump bonded assembly structural representation for engine accessory power rating of the present invention.
Among the figure: 1, mono-directional overrun crank shaft pulley outer ring, 2, mono-directional overrun crank shaft pulley inner ring, 3, tension wheel; 4, dynamo pulley, 5, servo-steering pump belt pulley, 6, the engine water pump belt pulley; 7, air-conditioning compressor belt pulley, 8, polywedge bet, 9, engine crankshaft; 10, electrical generator, 11, electric control clutch, 12, vacuum pump.
The specific embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, the following examples of giving an example now, and conjunction with figs. specifies as follows:
See also Fig. 1; A kind of hybrid power engine accessory drive system; Comprise through polywedge bet bonded assembly mono-directional overrun crank shaft pulley successively, tension wheel 3, dynamo pulley 4, servo-steering pump belt pulley 5, engine water pump belt pulley 6 and air-conditioning compressor belt pulley 7; The outer ring 1 of said mono-directional overrun crank shaft pulley is connected with above-mentioned engine accessory power rating, and the inner ring 2 and the engine crankshaft 9 of said mono-directional overrun crank shaft pulley are rigidly connected.
When the driving engine normal operation, the mono-directional overrun crank shaft pulley is in bonding state, by the engine drive annex; When engine shutdown, the mono-directional overrun crank shaft pulley is in released state, by the engine drive annex.
Principle of work of the present invention:
The difference in use of orthodox car driving engine and hybrid power engine:
The orthodox car driving engine is in running state all the time in driving procedure; Have only part operating mode driving engine to be in the oil-break state, though the driving engine oil-break, driving engine still keeps certain rotating speed operation; So as far as orthodox car; Engine accessory power rating is in running state all the time, is that annex provides power through engine crankshaft belt pulley, ensures the realization of the required various functions of automobile.
Hybrid vehicle is then different with the mode of operation of traditional automotive engine, and in the hybrid power, there is shutdown mode in driving engine; In this state, driving engine and annex all will quit work, and can not realize the various functional requirements of conventional vehicles; The measure that present hybrid power is taked annex is: the engine accessory power rating motorized; Air-conditioning for example, water pump etc., the employing of these measures; Certainly will increase corresponding cost and complexity, the inheritance missionary society of former engine accessory power rating is brought such as many problems such as cost raising, reliability reduction, the increases of maintaining work capacity.
For addressing the above problem; The invention provides above-mentioned hybrid power engine accessory drive system; Existing principle of work with above-mentioned hybrid power engine accessory drive system is narrated as follows: the mono-directional overrun crank shaft pulley is transfer torque in one direction; When driving engine normally moved, the mono-directional overrun crank shaft pulley was in bonding state, and annex that engine drive is with turns round; For power steering, engine cooling water pump, air-conditioning, electrical generator etc. provide power, identical with the type of drive of traditional vehicle; When driving engine was in stopped status, the mono-directional overrun crank shaft pulley was in released state, and electrical generator becomes motor drives annex individual operation, and at this moment, engine crankshaft remains static.This invention utilizes the characteristic of mono-directional overrun crank shaft pulley unidirectional delivery torsion, during engine shutdown, through the mono-directional overrun crank shaft pulley engine crankshaft is isolated, and has solved the problem of accessory drive in the engine shutdown state.Owing to can use the generator drive engine accessory power rating, make the original annex of driving engine under two kinds of mode condition, to work, and will hybrid power engine annex motorized.
The degree of vacuum problem, automobile brake adopts the vacuum servo mode, increases brake efficiency; Its degree of vacuum is taken from engine intake manifold, and when engine shutdown, engine intake manifold can not provide corresponding degree of vacuum; Under this pattern; Obtaining degree of vacuum has two kinds of approach, and a kind of is to adopt electricity to drive vacuum pump, and a kind of in addition is to utilize engine accessory power rating to drive vacuum pump.When utilizing engine accessory power rating to drive vacuum pump; Between annex and the vacuum pump electric control clutch need be housed, see also Fig. 2, dynamo pulley 4, electrical generator 10 and electric control clutch 11 are connected through generator shaft successively; Vacuum pump 12 is connected with motor shaft through electric control clutch 11; When the driving engine normal operation, electric control clutch breaks off, and degree of vacuum is taken from engine intake manifold; When driving engine was in stopped status, electric control clutch 11 started or stoped vacuum pump as required, guaranteed automobile brake vacuum servo ability normal operation; Similar diesel-engine generator band vacuum pump arrangement, the diesel-engine generator rear end connects vacuum pump, during the vacuum pump high-speed cruising; That driving engine is that vacuum pump provides is lubricated, sealing and cooling are oily with pressure lubricating; With diesel motor institute difference, can select the self-lubricating vacuum pump for use through using electric control clutch, cancellation pressure lubricating oil oil pipe.
Although combine accompanying drawing that the preferred embodiments of the present invention are described above; But the present invention is not limited to the above-mentioned specific embodiment, and the above-mentioned specific embodiment only is schematically, is not restrictive; Those of ordinary skill in the art is under enlightenment of the present invention; Not breaking away under the scope situation that aim of the present invention and claim protect, can also make a lot of forms, these all belong within protection scope of the present invention.
Claims (4)
1. hybrid power engine accessory drive system; Comprise: mono-directional overrun crank shaft pulley, tension wheel (3), dynamo pulley (4), servo-steering pump belt pulley (5), engine water pump belt pulley (6), air-conditioning compressor belt pulley (7), polywedge bet (8), engine crankshaft (9); It is characterized in that; Said mono-directional overrun crank shaft pulley outer ring (1) is connected through polywedge bet (8) with said tension wheel (3), dynamo pulley (4), servo-steering pump belt pulley (5), engine water pump belt pulley (6), air-conditioning compressor belt pulley (7), and said mono-directional overrun crank shaft pulley inner ring (2) links to each other with engine crankshaft (9).
2. a kind of hybrid power engine accessory drive system according to claim 1 is characterized in that said mono-directional overrun crank shaft pulley is in bonding state when the driving engine normal operation, drives engine accessory power rating; When engine shutdown, electrical generator becomes the direct motor drive annex, and said mono-directional overrun crank shaft pulley is in released state, and it is static that engine crankshaft keeps, and does not follow the annex motion.
3. a kind of hybrid power engine accessory drive system according to claim 2 is characterized in that, the integrated motor of said electrical generator (10) has electrical generator and motor function.
4. a kind of hybrid power engine accessory drive system according to claim 1; It is characterized in that; During the engine shutdown; The required degree of vacuum acquiring way of brake boost: adopt electricity driving vacuum pump or utilize engine accessory power rating to drive vacuum pump, when utilizing engine accessory power rating to drive vacuum pump, electric control clutch (11) is housed between annex and the vacuum pump (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100294307A CN102555764A (en) | 2012-02-07 | 2012-02-07 | Hybrid engine accessory driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100294307A CN102555764A (en) | 2012-02-07 | 2012-02-07 | Hybrid engine accessory driving system |
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| CN102555764A true CN102555764A (en) | 2012-07-11 |
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| CN2012100294307A Pending CN102555764A (en) | 2012-02-07 | 2012-02-07 | Hybrid engine accessory driving system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781730A (en) * | 2016-04-08 | 2016-07-20 | 福建群峰机械有限公司 | Transmission device and dredging vehicle |
| CN107139718A (en) * | 2017-05-22 | 2017-09-08 | 东风汽车泵业有限公司 | A kind of automobile accessory system and automobile |
| CN108006196A (en) * | 2016-10-28 | 2018-05-08 | 联合汽车电子有限公司 | Pulley gear, 48V power-assisteds recovery system and air-conditioning system |
| CN109866614A (en) * | 2017-12-05 | 2019-06-11 | 莱顿汽车部件（苏州）有限公司 | A kind of electric vehicle and its accessory drive system |
| CN113513405A (en) * | 2021-07-30 | 2021-10-19 | 重庆长安汽车股份有限公司 | Hybrid vehicle's engine train and hybrid vehicle |
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| CN101126346A (en) * | 2006-07-24 | 2008-02-20 | 通用汽车环球科技运作公司 | Accessory drive system |
| CN101131122A (en) * | 2006-08-24 | 2008-02-27 | 通用汽车环球科技运作公司 | Variable speed accessory drive system for a hybrid vehicle |
| US20080103679A1 (en) * | 2006-10-25 | 2008-05-01 | Victoriano Ruiz | Accessory drive system |
| CN100396965C (en) * | 2001-11-01 | 2008-06-25 | 盖茨公司 | Damped accessory drive system including a motor/generator |
| CN201264514Y (en) * | 2008-08-29 | 2009-07-01 | 沈阳华晨金杯汽车有限公司 | Generator and vacuum pump drive structure of hybrid power vehicle |
| CN202510221U (en) * | 2012-02-07 | 2012-10-31 | 天津清源电动车辆有限责任公司 | Hybrid engine accessories drive system |
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2012
- 2012-02-07 CN CN2012100294307A patent/CN102555764A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100396965C (en) * | 2001-11-01 | 2008-06-25 | 盖茨公司 | Damped accessory drive system including a motor/generator |
| CN101126346A (en) * | 2006-07-24 | 2008-02-20 | 通用汽车环球科技运作公司 | Accessory drive system |
| CN101131122A (en) * | 2006-08-24 | 2008-02-27 | 通用汽车环球科技运作公司 | Variable speed accessory drive system for a hybrid vehicle |
| US20080103679A1 (en) * | 2006-10-25 | 2008-05-01 | Victoriano Ruiz | Accessory drive system |
| CN201264514Y (en) * | 2008-08-29 | 2009-07-01 | 沈阳华晨金杯汽车有限公司 | Generator and vacuum pump drive structure of hybrid power vehicle |
| CN202510221U (en) * | 2012-02-07 | 2012-10-31 | 天津清源电动车辆有限责任公司 | Hybrid engine accessories drive system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781730A (en) * | 2016-04-08 | 2016-07-20 | 福建群峰机械有限公司 | Transmission device and dredging vehicle |
| CN108006196A (en) * | 2016-10-28 | 2018-05-08 | 联合汽车电子有限公司 | Pulley gear, 48V power-assisteds recovery system and air-conditioning system |
| CN107139718A (en) * | 2017-05-22 | 2017-09-08 | 东风汽车泵业有限公司 | A kind of automobile accessory system and automobile |
| CN107139718B (en) * | 2017-05-22 | 2023-09-26 | 东风汽车泵业有限公司 | Automobile auxiliary system and automobile |
| CN109866614A (en) * | 2017-12-05 | 2019-06-11 | 莱顿汽车部件（苏州）有限公司 | A kind of electric vehicle and its accessory drive system |
| CN113513405A (en) * | 2021-07-30 | 2021-10-19 | 重庆长安汽车股份有限公司 | Hybrid vehicle's engine train and hybrid vehicle |
| CN113513405B (en) * | 2021-07-30 | 2022-12-09 | 重庆长安汽车股份有限公司 | Engine wheel train of hybrid electric vehicle and hybrid electric vehicle |
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Application publication date: 20120711 |