CN105298637A - Range extender engine of A00-level electric car - Google Patents
Range extender engine of A00-level electric car Download PDFInfo
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- CN105298637A CN105298637A CN201510815336.8A CN201510815336A CN105298637A CN 105298637 A CN105298637 A CN 105298637A CN 201510815336 A CN201510815336 A CN 201510815336A CN 105298637 A CN105298637 A CN 105298637A
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- motor
- range extender
- electric vehicle
- generator
- engine
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- 239000004606 Fillers/Extenders Substances 0.000 title claims abstract description 29
- 239000003502 gasoline Substances 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims description 14
- 238000010168 coupling process Methods 0.000 claims description 14
- 238000005859 coupling reaction Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000000295 fuel oil Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000005057 refrigeration Methods 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 16
- 238000013461 design Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 8
- 239000003345 natural gas Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000012769 bulk production Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The invention discloses a range extender engine of an A00-level electric car. The electric car is provided with an ISG generator (3). The engine (1) is a linear reciprocating type and natural suction type two-cylinder gasoline engine. The displacement of the engine (1) is 0.6-1.0 L. By means of the technical scheme, the requirements for the compact arrangement and light weight of the whole car are met, and the dynamic property and economical efficiency of the whole car are combined; a range extender system drives an air conditioner compressor to perform refrigeration, and consumption of a power battery is reduced; an air inlet system is controlled through an electronic throttle valve, the whole car driving power is required to meet the control requirement through communication between a CAN protocol and an engine management system, and a mechanical structure of air inlet control is simplified.
Description
Technical field
The invention belongs to the technical field of New-energy electric vehicle, relate to range extender of electric vehicle systems technology.More specifically, the present invention relates to a kind of A00 level range extender of electric vehicle motor.
Background technique
Along with socioeconomic growing, energy demand improves further, and the cry of new energy technology is more and more higher.At present, in automobile industry, further developing of pure electric automobile and Development of HEV Technology, solves part energy problem, but also there is many drawbacks: the development bottleneck being limited by battery industry, the course continuation mileage of pure electric automobile cannot meet the actual demand of people.
Pure electric automobile is due to self power system architecture complexity, and the restriction of electrokinetic cell store electrical energy, thus causes its course continuation mileage limited, can not meet certain customers' remote long-time requirement travelled once in a while.
In this case, electric motor car increases distance increasing unit and become the selection that new-energy automobile opens ice.Do not have the prerequisite of important breakthrough in battery technology short-term under, the optimal path that exploitation extended-range electric vehicle addresses this problem beyond doubt.
A00 level range extending type electric automobile front cabin needs to arrange distance increasing unit and electric drive system and the various auxiliary system such as electric boosting steering system, electric air-conditioning, the system of arranging due to front deck and cable, pipeline very many, the necessary condition that exploitation volume is little, quality light, the A00 level small-sized electric vehicle distance increasing unit special engine of characteristics of compact layout becomes development distance increasing unit.
Chinese patent " a kind of pure electric coach distance increasing unit motor " (CN201420446714.0) discloses following technological scheme: pure electric coach distance increasing unit adopts natural gas engine, natural gas engine body right-hand end installs steering pump cover plate, gas brake-air compressor cover plate, natural gas engine body left-hand end installs engine gear case, steering pump cover plate, and natural gas engine body end face is provided with starter motor cover plate.
The advantage that this natural gas engine has is:
1, this natural gas engine take rock gas as fuel, environmental protection and energy saving;
2, this distance increasing unit motor is not with steering pump parts, air compressor parts and starter motor parts, according to the direct start and stop of instruction that entire car controller sends, greatly reduces pressure and the cost pressure of Assembly of the parts;
3, directly arrive setting speed work after distance increasing unit engine start, drive engine power generation to provide energy for storage battery, effectively solve the problem of pure electric coach course continuation mileage deficiency.
From use, this technology is simple and convenient.But for bulk production, the shortcoming of this technological scheme is:
1, restricted application: be only applicable to the natural gas engine that electric motor coach distance increasing unit is special, can not be applicable to the petrol engine that small-sized electric car distance increasing unit is special;
When 2, using rock gas to do fuel, power ratio uses when gasoline and obviously declines, the result of power drop, is short of power, causes fuel consumption relatively to increase on the other hand, and increase pollutant discharge amount when causing automobile heavy-load, climbing on the one hand or accelerate;
3, when automobile is with fuelled with natural gas, find that combustion chamber components obviously corrodes, even also there is corrosion in bent axle, valve, piston ring and cylinder serious wear, and compared with during use gasoline, the major repair of vehicle phase will shorten 1/3 ~ 1/2 usually.
Summary of the invention
The invention provides a kind of A00 level range extender of electric vehicle motor, its objective is the needs making this motor adapt to front deck layout, and ensure power character and the Economy of car load.
To achieve these goals, the technological scheme that the present invention takes is:
A00 level range extender of electric vehicle motor of the present invention, described electric vehicle is provided with ISG generator, and described motor is reciprocating, naturally aspirated two cylinder gasoline engine in upright arrangement.
The discharge capacity of described motor is 0.6 ~ 1.0L.
Described motor and ISG generator coaxle are arranged, are fixedly connected with by motor by mounting flange with ISG generator, and described motor, flange plate, ISG generator form range extender system.
Described range extender system drives air condition compressor to freeze.
Described mounting flange inside arranges mud guard, and described mud guard is used for preventing mud and dust from entering mounting flange.
The inner signalization dish of described mounting flange, described signal panel are for obtaining crankshaft-position signal.
Described mounting flange inside arranges generator coupling shaft, and described generator coupling shaft is used for the rotor of the crankshaft rear end of motor with ISG generator to be connected.
The gas handling system of described motor adopts Electronic Throttle Control; Air, by electronic throttle, enters intake manifold, then distributes to two intake manifold, finally enter two cylinders of motor, carry out mixed combustion acting with fuel oil.
The accessory wheel system of described motor adopts automatic tension belt to be connected with torsion vibration absorber belt wheel by engine water pump impeller.
The bent axle of described motor comprises crankshaft front end, crankshaft rear end, generator coupling shaft, connecting bolt, crank throw unit.
Directly increase processing spline at crankshaft rear end, the splined shaft processed becomes the coupling shaft of motor and generator; Splined section adopts 20CrMnTi alloyed steel, and splined section blank, directly as the insert of crankshaft casting process, machines the mid frequency induction hardening process again of rear splined section; Change existing flywheel M10 hexagon flange bolt into interior hexagonal M8 bolt; Existing bent axle M10 bolt hole changes M8 bolt hole into.
The present invention adopts technique scheme, meets the compact and lightweight requirements of arrangement, has power character and the Economy of car load concurrently; Range extender system drives air conditioner compressed mechanism cold, decreases the consumption of electrokinetic cell; Gas handling system adopts Electronic Throttle Control, and car load road horsepower demand reaches control overflow by CAN protocol and engine management system communication, simplifies the mechanical structure that air inlet controls.
Accompanying drawing explanation
Brief description is marked as follows in content shown in the drawings and figure:
Fig. 1 is the structural representation of two cylinder of the present invention and the integrated layout of ISG generator;
Fig. 2 .1 is the special two cylinder structural representation of distance increasing unit of the present invention;
Fig. 2 .2 is the perspective view in another direction of structure shown in Fig. 2 .1;
Fig. 3 is the structural representation that generator is connected with crankshaft rear end face;
Fig. 4 is the bent axle design for change scheme of distance increasing unit special engine.
Be labeled as in figure:
1, motor, 2, mounting flange, 3, ISG generator, 4, intake manifold, 5, electronic throttle, 6, intake manifold, 7, air condition compressor, 8, mud guard, 9, signal panel, 10, generator coupling shaft, 11, bolt hole, 12, positioning pin hole, 13, torsional vibration damper belt wheel, 14, engine water pump impeller, 15, valve cam, 16, crankshaft rear end, 17, connecting bolt, 18, crank throw unit, 19, crankshaft front end.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail, have more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present invention, technological scheme.
Structure of the present invention as shown in Figures 1 to 4, be a kind of A00 level range extender of electric vehicle motor, described electric vehicle is provided with ISG generator 3.The present invention is the improved design project carried out on the basis of existing two cylinder regular gasoline motors, is be applicable to the petrol engine that A00 level small-sized electric vehicle distance increasing unit is special, have power character and Economy concurrently.
For overcoming prior art defect, realize making this motor adapt to the needs of front deck layout, and ensure the power character of car load and the goal of the invention of Economy, the technological scheme that the present invention takes is:
As shown in Figures 1 to 4, A00 level range extender of electric vehicle motor of the present invention, described motor 1 is reciprocating, naturally aspirated two cylinder gasoline engine in upright arrangement.
The discharge capacity of described motor 1 is 0.6 ~ 1.0L.
If employing large-duty engine, difficulty is arranged in increase; Adopt small displacement engine, will power requirements do not reached.The discharge capacity of motor should between 0.6L ~ 1L; The motor that cylinder number is many will additionally increase unnecessary cost and arrange difficulty, and single-cylinder engine will bring insoluble noise problem, and therefore, the cylinder number of motor is advisable with 2 ~ 3 cylinders.In order to meet the compact and lightweight requirements of arrangement, General layout Plan adopts a kind of distance increasing unit reciprocating, naturally aspirated two cylinder gasoline engine in upright arrangement.
As shown in Figure 1, described motor 1 is coaxially arranged with ISG generator 3, and be fixedly connected with ISG generator 3 by motor 1 by mounting flange 2, described motor 1, flange plate 2, ISG generator 3 form range extender system.
The motor 1 of two cylinders, for range extender system generating provides power resources; Mounting flange 2, connects coaxial two cylinder 1 and ISG generator 3; ISG generator 3, for being electric energy by the changes mechanical energy of two cylinder 1, and drive motor work.
As shown in Figure 2:
Described motor 1 is provided with valve cam 15.
Described range extender system drives air condition compressor 7 to freeze.The range extender system of motor 1, flange plate 2, ISG generator 3 composition drives air condition compressor 7 to freeze, and decreases the power consumption of electrokinetic cell, thus extends the course continuation mileage of electric vehicle.
The special two cylinder structure of distance increasing unit is as shown in Figure 2:
The present invention is the Curve guide impeller carried out on existing petrolic basis in following three:
1, motor cancels flywheel and clutch mechanism, and replace flywheel to produce inertia with ISG motor 3, engine rear end is directly connected with generator amature, but in ear end face reservation or specialized designs for installing bolt hole 11 and the positioning pin hole 12 of ISG motor 3;
2, the newly-increased following several component in mounting flange 2 inside: mud guard 8, prevents mud and dust from entering flange plate 2; Signal panel 9, for obtaining crankshaft-position signal; Generator coupling shaft 10, for coupling together the crankshaft rear end 16 of motor with the rotor of ISG generator; Generator fixed flange 2; Bolt hole 11, for connecting engine and generator fixed flange 2; Positioning pin hole 12, fixed generator 3;
The accessory wheel system of 3, described motor 1 adopts automatic tension belt to be connected with torsion vibration absorber belt wheel 13 by engine water pump impeller 14.
Engine wheel system does not use the tensioning mechanisms such as Idle wheel, directly torsional damper of engine is taken turns with water pump and is connected by belt.
Generator is connected as shown in Figure 3 with crankshaft rear end face:
Generator couples together with the coupling shaft 10 of generator by the crankshaft rear end 16 of motor after Curve guide impeller, cancels the flywheel of former motor, and newly-increased signal panel 9, for obtaining crankshaft-position signal.
The crankshaft rear end 16 of motor uses the coupling shaft 10 of generator after Curve guide impeller, is coupled together by generator, cancels the flywheel of former motor,
Motor 1 and ISG generator 3 Integrated design: adopt motor 1 and ISG generator 3 in the integrated design proposal of crankshaft rear end 16, motor 1 cancels flywheel and clutch mechanism, flywheel is replaced to produce inertia with ISG generator 3, motor 1 rear end is directly connected with ISG generator 3 rotor, but ear end face retain or specialized designs for installing pin and the bolt hole of ISG generator 3, i.e. bolt hole 11 and positioning pin hole 12.
ISG generator 3 is fixedly connected with flange plate 2; Bolt hole 11, is fixedly connected with flange plate 2 for connecting engine 1 with ISG generator 3; Positioning pin hole 12 fixes ISG generator 3.
The gas handling system of described motor 1 adopts electronic throttle 5 to control; The intake manifold 4 of gas handling system, connects electronic throttle 5 and intake manifold 6; Intake manifold 6, sends into two cylinders of motor respectively by air; Air, by electronic throttle 5, enters intake manifold 4, then distributes to two intake manifold 6, finally enter two cylinders of motor 1, carry out mixed combustion acting with fuel oil.
The gas handling system of motor 1 adopts electronic throttle 5 to control, and car load road horsepower demand reaches control overflow by CAN protocol and engine management system communication, simplifies the mechanical structure that air inlet controls, thus reduces motor 1 volume.The application that electronic throttle 5 controls makes the control of EEM system more accurate, thus improves economic index, while improve power character, decreases the discharge of harmful matter.
Adopt electronic throttle 5 control mode, water temperature detection, knock detection, intake temperature Pressure testing can be realized.
The bent axle design for change scheme of distance increasing unit special engine is as shown in Figure 4:
The bent axle of this motor is made up of parts such as crankshaft front end 19, crankshaft rear end 16, generator coupling shaft 10, connecting bolt 17, crank throw unit 18.
The engine crankshaft design proposal that distance increasing unit is special:
1, cancel the flywheel of available engine, design extra signal panel to obtain crankshaft-position signal, need to coordinate with ISG motor construction;
2, directly increase processing spline at crankshaft rear end 16, the splined shaft processed becomes the coupling shaft 10 of motor 1 and generator 3; Splined section adopts 20CrMnTi alloyed steel, and splined section blank, directly as the insert of crankshaft casting process, machines the mid frequency induction hardening process again of rear splined section.
3, existing flywheel M10 hexagon flange bolt is changed into interior hexagonal M8 bolt; Change existing bent axle M10 bolt hole into M8 bolt hole.
Below by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technological scheme is carried out; or design of the present invention and technological scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (10)
1. an A00 level range extender of electric vehicle motor, described electric vehicle is provided with ISG generator (3), it is characterized in that: described motor (1) is reciprocating, naturally aspirated two cylinder gasoline engine in upright arrangement.
2. according to A00 level range extender of electric vehicle motor according to claim 1, it is characterized in that: the discharge capacity of described motor (1) is 0.6 ~ 1.0L.
3. according to A00 level range extender of electric vehicle motor according to claim 1, it is characterized in that: described motor 1 is coaxially arranged with ISG generator (3), be fixedly connected with ISG generator (3) by motor (1) by mounting flange (2), described motor (1), flange plate (2), ISG generator (3) form range extender system.
4. according to A00 level range extender of electric vehicle motor according to claim 3, it is characterized in that: described range extender system drives air condition compressor (7) to freeze.
5. according to A00 level range extender of electric vehicle motor according to claim 3, it is characterized in that: described mounting flange (2) inside arranges mud guard (8), described mud guard (8) enters mounting flange (2) for preventing mud and dust.
6. according to A00 level range extender of electric vehicle motor according to claim 3, it is characterized in that: the inner signalization dish (9) of described mounting flange (2), described signal panel (9) are for obtaining crankshaft-position signal.
7. according to A00 level range extender of electric vehicle motor according to claim 3, it is characterized in that: described mounting flange (2) inside arranges generator coupling shaft (10), described generator coupling shaft (10) is for being connected the crankshaft rear end (16) of motor with the rotor of ISG generator (3).
8. according to A00 level range extender of electric vehicle motor according to claim 1, it is characterized in that: the gas handling system of described motor (1) adopts electronic throttle (5) to control; Air, by electronic throttle (5), enters intake manifold (4), then distributes to two intake manifold (6), finally enter two cylinders of motor (1), carry out mixed combustion acting with fuel oil.
9. according to A00 level range extender of electric vehicle motor according to claim 1, it is characterized in that: the accessory wheel system of described motor (1) adopts automatic tension belt to be connected with torsion vibration absorber belt wheel (13) by engine water pump impeller (14).
10. according to A00 level range extender of electric vehicle motor according to claim 1, it is characterized in that: the bent axle of described motor (1) comprises crankshaft front end (19), crankshaft rear end (16), generator coupling shaft (10), connecting bolt (17), crank throw unit (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510815336.8A CN105298637A (en) | 2015-11-20 | 2015-11-20 | Range extender engine of A00-level electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510815336.8A CN105298637A (en) | 2015-11-20 | 2015-11-20 | Range extender engine of A00-level electric car |
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| Publication Number | Publication Date |
|---|---|
| CN105298637A true CN105298637A (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510815336.8A Pending CN105298637A (en) | 2015-11-20 | 2015-11-20 | Range extender engine of A00-level electric car |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781751A (en) * | 2015-11-26 | 2016-07-20 | 奇瑞汽车股份有限公司 | Two-cylinder engine for range extender |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437682A (en) * | 2011-10-13 | 2012-05-02 | 重庆长安汽车股份有限公司 | Connection structure of hybrid vehicle generator and gearbox |
| CN103277189A (en) * | 2013-04-27 | 2013-09-04 | 东风朝阳朝柴动力有限公司 | Diesel engine arrangement structure with double electric generators |
| CN203372081U (en) * | 2013-06-27 | 2014-01-01 | 柳州五菱柳机动力有限公司 | Straight gasoline engine range extender |
| CN203742777U (en) * | 2014-02-26 | 2014-07-30 | 奇瑞汽车股份有限公司 | Connecting structure for engine and generator of extended range full electric vehicle |
-
2015
- 2015-11-20 CN CN201510815336.8A patent/CN105298637A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437682A (en) * | 2011-10-13 | 2012-05-02 | 重庆长安汽车股份有限公司 | Connection structure of hybrid vehicle generator and gearbox |
| CN103277189A (en) * | 2013-04-27 | 2013-09-04 | 东风朝阳朝柴动力有限公司 | Diesel engine arrangement structure with double electric generators |
| CN203372081U (en) * | 2013-06-27 | 2014-01-01 | 柳州五菱柳机动力有限公司 | Straight gasoline engine range extender |
| CN203742777U (en) * | 2014-02-26 | 2014-07-30 | 奇瑞汽车股份有限公司 | Connecting structure for engine and generator of extended range full electric vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781751A (en) * | 2015-11-26 | 2016-07-20 | 奇瑞汽车股份有限公司 | Two-cylinder engine for range extender |
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Application publication date: 20160203 |