CN106762189A - Electric automobile increases the integrated cylinder system of journey engine - Google Patents
Electric automobile increases the integrated cylinder system of journey engine Download PDFInfo
- Publication number
- CN106762189A CN106762189A CN201611031875.3A CN201611031875A CN106762189A CN 106762189 A CN106762189 A CN 106762189A CN 201611031875 A CN201611031875 A CN 201611031875A CN 106762189 A CN106762189 A CN 106762189A
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- China
- Prior art keywords
- cylinder
- cylinder body
- integrated
- electric automobile
- engine
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/002—Integrally formed cylinders and cylinder heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
- F02F1/4285—Shape or arrangement of intake or exhaust channels in cylinder heads of both intake and exhaust channel
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The present invention relates to the integrated cylinder system that a kind of electric automobile increases journey engine, cylinder body is integrated by traditional cylinder block and head and constituted, several cylinders are furnished with cylinder body, water jacket is provided with around cylinder, cylinder body top center is provided with several Cam bearing pedestals, to install a camshaft for directly driving inlet valve and exhauxt valve opens and closing；The cylinder body is provided with inlet and outlet door mounting hole, and inlet and outlet door mounting hole and Valve seat center and camshaft centerline are on identical vertical plane；Cylinder body is provided with integrated exhaust manifold, and exhaust manifold is integrated in cylinder interior；Cooling water cavity is hollowed out into around the valve seating and spark plug mounting hole of cylinder body, for cooling water circulation.Cylinder body of the invention is designed mainly around the single normality operating point situation of engine, and all structures are all optimized in single operating point, make engine efficiency optimal.The present invention also has simple structure, good manufacturability, and amount of parts is few, lightweight advantage.
Description
Technical field
Increase journey engine the present invention relates to a kind of electric automobile, and in particular to a kind of electric automobile increases the integrated cylinder of journey engine
Body structure.
Background technology
Energy shortage and climate warming have become global problem.Electric automobile has energy sources extensively, structure
Simply, the characteristics of efficiency of energy utilization is high and discharges few, government and Automobile Enterprises have all put into substantial amounts of resource and have been researched and developed
And popularization.However, the subject matter of electric automobile has at present：Battery energy density is low, and course continuation mileage is short, and the charging interval is long and sets
Apply less, and battery high cost short life.Stroke-increasing electric automobile can solve these problems just, be optimal transition
Scheme.
Range extender of electric vehicle system it is main by engine and generating set into.When battery electric quantity is less than predetermined value, hair
Motivation is started working and drives electrical power generators, is powered directly to motor, and unnecessary electricity charges the battery.Engine exists
Best efficiency point works, as long as being optimized in best efficiency point during design housing structure, without considering other works
Condition point.
Electric automobile has to the requirement for increasing journey engine：1st, efficiency high；2nd, simple structure, it is lightweight；3rd, can not excessively increase
Addition sheet；4th, noise and vibration are small.However, the stroke-increasing electric automobile of many auto vendor's productions is all directly to use one at present
As small-displacement gasoline engine drive electrical power generators, and variable working condition is substantially, rather than single operating point.Traditional vapour
The actual condition point of oil machine is extremely complex, and the structure design of engine will consider the performance requirement under whole rotating speed and load,
Engine structure parameter is all the result of low speed compromise balance high.The cylinder cap and cylinder body of conventional gasoline machine are separate, are so led
If for the ease of being considered using twin cam shaft structure and air inlet, exhaust valve installation, and decarbonizing etc..And in extended-range electricity
In electrical automobile, engine only one of which or a few operating point, engine need to only drive electrical power generators, it is not necessary to
Power is directly exported, the housing structure design of engine can be differently configured from conventional gasoline machine completely.Simultaneously as oil quality with
And the raising of electronic control technology, gasoline engine carbon distribution problem mitigates significantly.Therefore, journey engine cylinder-body is increased, cylinder cap completely can be with integrated
To together, and using single camshaft layout, so as to reduce amount of parts and quality, improve anufacturability and reduce into
This.
The exhaust manifold of conventional gasoline machine is all individually designed manufacture, increased amount of parts, weight and cost, also not
It is easy to space layout.The design of Cooling System of conventional engines gray iron should consider cold start-up and warming-up operating mode, also examine
Consider high speed high load working condition, be not optimal design for any operative point.
Conventional gasoline machine improves charging efficiency to increase air inflow, is increasingly employed Four valve structure, inlet valve
All there is larger angle of inclination with exhaust valve mounting hole, be unfavorable for being formed in suction stroke the air inlet tumble flow of appropriate intensity（Hang down
Straight vortex）, it is unfavorable for promoting burning and reduces detonation tendency.
The content of the invention
The present invention proposes that a kind of electric automobile of suitable single-point work increases the integrated cylinder body of journey engine, it is therefore an objective to improves and increases
The efficiency of journey device system, reduces the weight and cost of range extender of electric vehicle as far as possible, realizes energy-conservation and emission reduction.
The technical solution adopted by the present invention is as follows：
A kind of electric automobile increases the integrated cylinder system of journey engine, including cylinder body, cylinder side cover, it is characterised in that：The cylinder body
Integrated by traditional cylinder block and head and constituted, cylinder body cylinder side cover installed above, cylinder body is below by bolt connection
Half crankcase；Several cylinders are furnished with the cylinder body, water jacket is provided with around cylinder, cooling water enters water jacket from water inlet, from
Delivery port flows out water jacket, realizes cooling；The cylinder body top center is provided with several Cam bearing pedestals, to install a camshaft
For directly driving inlet valve and exhauxt valve opens and closing；The cylinder body is provided with inlet and outlet door mounting hole, inlet and outlet door peace
Dress hole and Valve seat center and camshaft centerline are on identical vertical plane；The cylinder body is provided with integrated exhaust discrimination
Pipe, and exhaust manifold is integrated in cylinder interior；Cooling water cavity is hollowed out into around the valve seating and spark plug mounting hole of the cylinder body,
For cooling water circulation, valve surfaces temperature is reduced, reduce and fresh mesenchymal is heated, reduce detonation tendency.
Communicated by small opening between the water jacket around cooling water cavity and cylinder around the valve seating, for ensureing gas
The rigidity and intensity of cylinder part.
The suction valve cone is beneficial to raising air inlet charging efficiency with diameter greater than exhaust valve seat diameter.
The spark plug mounting hole center line and cylinder centerline into 18 ° of angles, for avoiding spark plug from installing and cam
Axle installs conflict.
The cylinder body top is provided with engine oil supplying pipeline, for realizing the lubrication to camshaft bearing and cam.
The cylinder body lower surface sets screwed hole, is connected with crankcase.
The beneficial effects of the invention are as follows：The integrated cylinder body of the present invention is totally different from regular price gasoline machine gray iron and independently builds
The way of installation is made, traditional gray iron is become one, arranged using single camshaft, exhaust manifold is integrated into cylinder
In vivo, amount of parts and weight can be substantially reduced, improves electric motor car fuel economy and extension course continuation mileage.Unique water
Analysis of Nested Design can be cooled down and reach optimum balance between radiating and reduction detonation tendency in engine reliability, can be used higher
Compression ratio improving the thermal efficiency.The characteristics of present invention has simple structure, easily good manufacturability, realization and low cost.
Brief description of the drawings
Fig. 1 is the installation diagram of the present invention and cylinder side cover and upper half crankcase；
Fig. 2 is sectional view of the present invention along camshaft bearing center line；
Fig. 3 is air inlet side view of the invention；
Fig. 4 is top view of the invention；
Fig. 5 is integrated cylinder body along air intake duct and the sectional view of exhaust duct；
Fig. 6 is upward view of the invention；
Fig. 7 is sectional view of the integrated cylinder body along a certain spark plug mounting hole.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, electric automobile of the invention increases the integrated cylinder system of journey engine, involved cylinder body 1 is integrated with
Traditional cylinder block and head, cylinder side cover installed above 3, cylinder body 1 and crankcase portion are separated, below by bolt connection cylinder body
1 and upper half crankcase 2.
As shown in Fig. 2 whole cylinder body 1 is two cylinders or three cylinders being laid out.First to the 3rd cylinder 1081, around 1082,1083
Design cooling jacket 102, coolant enters from upper right side entrance 107, from lower-left after cooling jacket 102 and valve ambient water chamber
Side outlet 101 flows out, and realizes cylinder body and valve and valve seating cooling.
As shown in figure 3, using single camshaft scheme.Specifically：First to fourth cam is provided with the top center of cylinder body 1
Bearing block 1061,1062,1063,1064, drive inlet valve and exhauxt valve opens and closing to install camshaft.Using every cylinder
Two valve schemes, i.e., one inlet valve and an exhaust valve, in the installation of inlet and outlet door and Valve seat center and camshaft
Heart line is on identical vertical plane.As shown in Figure 4 and Figure 5, the first to the 3rd air intake duct 1091,1092,1093 elder generations and cam
Bearing axis horizontally enter into cylinder body into 60 ° of angles, are then communicated at valve seating, and at valve seating air intake duct closer to hang down
It is straight better.As shown in Figure 3 and Figure 6, the valve installation gentle casing wall of centerline hole is parallel, is easily installed valve.
First to the 3rd suction valve cone 1041, the 1042,1043, first to the 3rd exhaust valve seat 1051,1052,1053 and the
One to the 3rd spark plug mounting hole 1121, hollows out as cooling water cavity 103 around 1022,1023, realizes to top of combustion chamber gas
Door, valve seating and spark plug realize cooling.Additionally, also achieving the loss of weight of cylinder body.
As it can be seen in figures 5 and 6, remove traditional single exhaust manifold design, to reduce number of components and realize loss of weight.Three
Root exhaust manifold is completely integrated in cylinder interior, is internally pooled to exhaust general export 110, and exhaust general export exterior design has method
Orchid, to install exhaust main.
As shown in Fig. 5,6 and 7, in order to avoid being arranged on the camshaft of top center, spark plug mounting hole center line is gentle
Cylinder center line is into 18 ° of angles.On the premise of space layout is allowed, spark plug head is as close to top of combustion chamber interposition
Put, in order to avoid extend flame travel and excessively influence knock resistance.
Such as Fig. 3, shown in 6, the machine oil from lubricating oil pump reaches cylinder body top engine oil pipeline 111 via fuel feed hole 113, then
Sprayed by each small spray orifice and camshaft bearing bore, to realize the lubrication to cylinder body overhead camshaft bearing and cam.Then, cylinder body top
Machine oil in portion's groove is back in crankcase via spill port 114.
Claims (6)
1. a kind of electric automobile increases the integrated cylinder system of journey engine, including cylinder body（1）, cylinder side cover（3）, it is characterised in that：
The cylinder body（1）Integrated by traditional cylinder block and head and constituted, cylinder body（1）Cylinder side cover installed above（3）, cylinder body
（1）Below by bolt connection upper half crankcase（2）；The cylinder body（1）Several cylinders are inside furnished with, water jacket is provided with around cylinder
（102）, cooling water is from water inlet（107）Into water jacket（102）, from delivery port（101）Outflow water jacket, realizes cooling；The cylinder
Body（1）Top center is provided with several Cam bearing pedestals, to install a camshaft for directly driving inlet valve and exhaust valve
Open and close；The cylinder body（1）Be provided with inlet and outlet door mounting hole, inlet and outlet door mounting hole and Valve seat center and
Camshaft centerline is on identical vertical plane；The cylinder body（1）Integrated exhaust manifold is provided with, and exhaust manifold is integrated in cylinder
Body（1）It is internal；The cylinder body（1）Valve seat and spark plug mounting hole（112）Surrounding hollows out into cooling water cavity（103）,
For cooling water circulation, valve surfaces temperature is reduced, reduce and fresh mesenchymal is heated, reduce detonation tendency.
2. electric automobile according to claim 1 increases the integrated cylinder system of journey engine, it is characterised in that：It is described enter,
Cooling water cavity around exhaust valve seat（103）And the water jacket around cylinder（102）Between by it is small opening communicate, for ensureing gas
The rigidity and intensity of cylinder part.
3. electric automobile according to claim 1 increases the integrated cylinder system of journey engine, it is characterised in that：The air inlet
Gate seat is beneficial to raising air inlet charging efficiency with diameter greater than exhaust valve seat diameter.
4. electric automobile according to claim 1 increases the integrated cylinder system of journey engine, it is characterised in that：The spark
Plug installs the gentle cylinder center line of centerline hole into 18 ° of angles, and conflict is installed with camshaft for avoiding spark plug from installing.
5. electric automobile according to claim 1 increases the integrated cylinder system of journey engine, it is characterised in that：The cylinder body
（1）Top is provided with engine oil supplying pipeline（111）, for realizing the lubrication to camshaft bearing and cam.
6. electric automobile according to claim 1 increases the integrated cylinder system of journey engine, it is characterised in that：The cylinder body
（1）Lower surface sets screwed hole, is connected with crankcase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611031875.3A CN106762189A (en) | 2016-11-22 | 2016-11-22 | Electric automobile increases the integrated cylinder system of journey engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611031875.3A CN106762189A (en) | 2016-11-22 | 2016-11-22 | Electric automobile increases the integrated cylinder system of journey engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106762189A true CN106762189A (en) | 2017-05-31 |
Family
ID=58971864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611031875.3A Pending CN106762189A (en) | 2016-11-22 | 2016-11-22 | Electric automobile increases the integrated cylinder system of journey engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106762189A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE305524C (en) * | ||||
| US3983852A (en) * | 1974-01-16 | 1976-10-05 | Regie Nationale Des Usines Renault | Internal combustion engine disposition |
| US4092956A (en) * | 1975-09-04 | 1978-06-06 | Hans List | Water cooled internal combustion engine, particularly a diesel engine |
| US5988135A (en) * | 1995-07-06 | 1999-11-23 | Tecumseh Products Company | Overhead vertical camshaft engine with external camshaft drive |
| US6330871B1 (en) * | 1999-04-21 | 2001-12-18 | Toyota Jidosha Kabushiki Kaisha | Cylinder head-integrated cylinder block and process for manufacturing the same |
| CN103282622A (en) * | 2010-10-29 | 2013-09-04 | 奥柏里斯特动力系统有限公司 | Machine combination comprising an internal combustion engine and a generator |
| CN203374373U (en) * | 2013-06-28 | 2014-01-01 | 柳州五菱柳机动力有限公司 | Air cylinder cover with integrated exhaust manifold |
-
2016
- 2016-11-22 CN CN201611031875.3A patent/CN106762189A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE305524C (en) * | ||||
| US3983852A (en) * | 1974-01-16 | 1976-10-05 | Regie Nationale Des Usines Renault | Internal combustion engine disposition |
| US4092956A (en) * | 1975-09-04 | 1978-06-06 | Hans List | Water cooled internal combustion engine, particularly a diesel engine |
| US5988135A (en) * | 1995-07-06 | 1999-11-23 | Tecumseh Products Company | Overhead vertical camshaft engine with external camshaft drive |
| US6330871B1 (en) * | 1999-04-21 | 2001-12-18 | Toyota Jidosha Kabushiki Kaisha | Cylinder head-integrated cylinder block and process for manufacturing the same |
| CN103282622A (en) * | 2010-10-29 | 2013-09-04 | 奥柏里斯特动力系统有限公司 | Machine combination comprising an internal combustion engine and a generator |
| CN203374373U (en) * | 2013-06-28 | 2014-01-01 | 柳州五菱柳机动力有限公司 | Air cylinder cover with integrated exhaust manifold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
|
| RJ01 | Rejection of invention patent application after publication |