CN208010468U - Increase journey gasoline engine for electric vehicle - Google Patents
Increase journey gasoline engine for electric vehicle Download PDFInfo
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- CN208010468U CN208010468U CN201820392817.1U CN201820392817U CN208010468U CN 208010468 U CN208010468 U CN 208010468U CN 201820392817 U CN201820392817 U CN 201820392817U CN 208010468 U CN208010468 U CN 208010468U
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Abstract
The utility model discloses a kind of increasing journey gasoline engines for electric vehicle comprising cylinder body, first piston, second piston, fuel injector and spark plug；The first piston and second piston are slidably disposed in the cylinder body, and form combustion chamber between the first piston, second piston and cylinder body；The fuel injector is fixed on the cylinder body, for the injected petrol into combustion chamber；The spark plug is set on the cylinder body, the mixture for lighting burn indoor gasoline and air.The increasing journey gasoline engine for electric vehicle of the utility model removes cylinder cap and valve actuating mechanism, reduces the quality and quantity of parts, reduces heat transfer loss, improves the thermal efficiency；Without valve actuating mechanism, and there is good self-balancing, takes into account efficiently and combustion noise.
Description
Technical field
The utility model is related to a kind of gasoline engine more particularly to a kind of increasing journey gasoline engines for electric vehicle.
Background technology
Pure electric automobile and Development of HEV Technology are further developed, the zero-emission that especially electric vehicle has
It puts, pollution-free, energy saving and environmentally friendly feature, it is considered to be for the Main way of development of automobile.
But electric vehicle the drawbacks of also having itself, it is limited to battery development level, the energy of battery pack single charge storage
Measure it is less, be not enough to support the longer traveling route of electric vehicle；Relative to orthodox car, due to depositing for battery pack and motor mechanism
The purchase vehicle cost and maintenance cost of electric vehicle are higher；The electric vehicle charging time is also longer, and rise and the popularization of electric vehicle need
The development for wanting corresponding urban construction process, solves the charging problems of electric vehicle, just there is the possibility for promoting electric vehicle.It rises now
Extended-range engine precisely in order to solve the above problems and come into being, the characteristics of the low emission of existing electric vehicle, low stain,
Pure electric vehicle course continuation mileage deficiency and charging problems can be solved again.
Current most of extended-range engines are mostly to drive generator to charge battery using transmission gasoline engine, to automobile
Electric motor drive system is powered, by motor drive running car.But such structure still has conventional gasoline machine hot
The problems such as efficiency is low, and discharge is higher, NVH effects undesirable equal.
Utility model content
The utility model aim is to provide a kind of increasing journey gasoline engine for electric vehicle, can solve at least one above-mentioned technology
Problem.
The utility model solves technical problem and adopts the following technical scheme that：A kind of increasing journey gasoline engine for electric vehicle, packet
Include cylinder body, first piston, second piston, fuel injector and spark plug；
The first piston and second piston are slidably disposed in the cylinder body, and the first piston,
Combustion chamber is formed between second piston and cylinder body；
The fuel injector is fixed on the cylinder body, for the injected petrol into combustion chamber；The spark plug is set to institute
It states on cylinder body, the mixture for lighting burn indoor gasoline and air.
Optionally, increasing journey gasoline engine for electric vehicle further includes first connecting rod and second connecting rod；The first connecting rod
One end be articulated on the first piston；The other end is hinged the first bent axle；It is provided with the first driving wheel on first bent axle
With the first generator wheel；One end of the second connecting rod is articulated in the second piston, and the other end is hinged the second bent axle；It is described
The second driving wheel and the second generator wheel are provided on second bent axle.
Optionally, when the distance of the first piston and second piston is nearest, the first piston and second piston it
Between have preset distance, and make form accommodating space between the first piston, second piston and cylinder body；The fuel injector and
Spark plug is both secured on the corresponding cylinder body of the accommodating space.
Optionally, the fuel injector is direct-injection fuel injector.
Optionally, the quantity of the fuel injector is 2, and described two fuel injectors are on the same diameter line of the cylinder body.
Optionally, the quantity of the spark plug is two, and two spark plugs are on the same diameter line of the cylinder body.
Optionally, the angle between adjacent spark plug and fuel injector is 20-35 °.
Optionally, the first air inlet, first row gas port and the first scavenging port, first air inlet are offered on the cylinder body
Mouth is located at the left side of the first row gas port, and first air inlet is located at the left side of the right stop of the first piston, described
First row gas port is located at the right side of the left stop of the first piston, and first scavenging port is located at first air inlet and
Between one exhaust outlet；
The second air inlet, second exhaust port and the second scavenging port, second air inlet position are further opened on the cylinder body
In the right side of the second exhaust port, second air inlet is located at the right side of the left stop of the second piston, and described second
Exhaust outlet is located at the left side of the right stop of the second piston, and second scavenging port is located at second air inlet and second row
Between gas port.
The utility model has the advantages that：The increasing journey gasoline engine for electric vehicle of the utility model remove cylinder cap and
Valve actuating mechanism reduces the quality and quantity of parts, reduces heat transfer loss, improves the thermal efficiency；Without valve actuating mechanism, and have good
Good self-balancing is taken into account efficiently and combustion noise.
Description of the drawings
Fig. 1 is the structural schematic diagram of the increasing journey gasoline engine for electric vehicle of the utility model；
Fig. 2 is the structural schematic diagram of the increasing journey gasoline engine for electric vehicle of the utility model；
Fig. 3 is the structural schematic diagram of the increasing journey gasoline engine for electric vehicle of the utility model；
The mark in the figure shows：1- cylinder bodies；2- spark plugs；3- first pistons；4- second pistons；5- first connecting rods；6-
Two connecting rods；The first bent axles of 7-；The second bent axles of 8-；The first air inlets of 9-；The second air inlets of 10-；11- first row gas ports；12- second
Exhaust outlet；The first scavenging ports of 13-；The second scavenging ports of 14-；15- fuel injectors.
Specific implementation mode
The technical solution of the utility model is further elaborated with reference to embodiment and attached drawing.
Embodiment 1
Present embodiments provide a kind of increasing journey gasoline engine for electric vehicle comprising：Cylinder body, first piston, second piston,
First connecting rod, second connecting rod, the first bent axle, the second bent axle, fuel injector and spark plug.
The first piston and second piston are slidably disposed in the cylinder body, and the first piston,
Combustion chamber is formed between second piston and cylinder body, when the distance of the first piston and second piston is nearest, described first lives
There is preset distance between plug and second piston, and to form accommodating sky between the first piston, second piston and cylinder body
Between.
The fuel injector is fixed on the cylinder body, for the injected petrol into combustion chamber；The spark plug is set to institute
It states on cylinder body, the mixture for lighting burn indoor gasoline and air.
It is highly preferred that the fuel injector is direct-injection fuel injector, quantity is two, and described two direct-injection fuel injectors are described
On the same diameter line of cylinder body；Moreover, the quantity of the spark plug be two, two spark plugs also the cylinder body it is same always
On radial line；Also, the angle between adjacent spark plug and fuel injector is 20-35 °, so that being sprayed from direct-injection fuel injector
Fuel oil can be uniformly distributed in combustion chamber, improve spray atomization and mixing quality, optimization burning reduces discharge；Dual ignition plug
Arrangement, flame uniformly extend from center to both ends, and flame propagation velocity is accelerated, and improve burning velocity and efficiency of combustion.
The fuel injector and spark plug are both secured on the corresponding cylinder body of the accommodating space, that is, are located at described first
Position among piston and second piston.
One end of the first connecting rod is articulated on the first piston, and the other end is hinged the first bent axle, and described first is bent
The first driving wheel and the first generator wheel are provided on axis, for externally exporting power and power generation.
One end of the second connecting rod is articulated in the second piston, and the other end is hinged the second bent axle, and described second is bent
The second driving wheel and the second generator wheel are provided on axis, for externally exporting power and power generation.
The first air inlet, first row gas port and the first scavenging port are offered on the cylinder body, first air inlet is located at
The left side of the first row gas port, also, first air inlet is located at the left side of the right stop of the first piston, in institute
It states before first piston is run to right stop and realizes that intake process, the first row gas port are located at the left stop of the first piston
Right side, with before the first piston is run to left stop realize be vented, first scavenging port be located at described first into
Between gas port and first row gas port, when the first row gas port is vented, scavenging is carried out by first scavenging port.
Similarly, the second air inlet, second exhaust port and the second scavenging port, second air inlet are offered on the cylinder body
Mouth is located at the right side of the second exhaust port, also, second air inlet is located at the right side of the left stop of the second piston,
To realize that intake process, the second exhaust port are located at the second piston before the second piston is run to left stop
The left side of right stop is vented with being realized before the second piston is run to right stop, and second scavenging port is located at described
Between second air inlet and second exhaust port, when the second exhaust port is vented, to be swept by second scavenging port
Gas.
Also, first bent axle and the second bent axle are sequentially connected scavenging pump, under the auxiliary of scavenging pump, first
Scavenging port or the second scavenging port, which are opened, realizes scavenging process, and then air inlet, which is opened, realizes intake process.
The increasing journey gasoline engine for electric vehicle of the utility model removes cylinder cap and valve actuating mechanism, reduce parts quantity and
Quality reduces heat transfer loss, improves the thermal efficiency；Without valve actuating mechanism, and there is good self-balancing, takes into account and efficiently make an uproar with burning
Sound.
The increasing journey gasoline engine for electric vehicle of the utility model improves the thermal efficiency by optimizing heat transfer loss；By opposed
Piston layout optimization noise, improve NVH performances；Optimization spraying and burning, improve the thermal efficiency and discharge；Simplify number of parts and
Quality optimizes lightweight.
Specifically, in the utility model, using two two-stroke pistons, unit power per liter and power per unit mass are improved；
The opposed arrangement of piston, it is combustion chamber shared, remove cylinder cap and valve actuating mechanism, good self-balancing is taken into account efficiently and combustion noise, subtracted
Few heat transfer loss, improves the thermal efficiency, reduces the quality and quantity of parts；Double direct-injection fuel injector arrangements, spraying are evenly distributed on
Combustion chamber, improves spray atomization and mixing quality, and optimization burning reduces discharge；Dual ignition plug arranges that flame is from center to both ends
Uniformly extend, flame propagation velocity is accelerated, and burning velocity and efficiency of combustion are improved.
The sequencing of above example is only for ease of description, can not represent the quality of embodiment.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc.
With replacement；And these modifications or replacements, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (8)
1. a kind of increasing journey gasoline engine for electric vehicle, which is characterized in that including cylinder body, first piston, second piston, fuel injector and
Spark plug；
The first piston and second piston are slidably disposed in the cylinder body, and in the first piston, second
Combustion chamber is formed between piston and cylinder body；
The fuel injector is fixed on the cylinder body, for the injected petrol into combustion chamber；The spark plug is set to the cylinder
On body, the mixture for lighting burn indoor gasoline and air.
2. increasing journey according to claim 1 gasoline engine for electric vehicle, which is characterized in that further include first connecting rod and second
Connecting rod；One end of the first connecting rod is articulated on the first piston；The other end is hinged the first bent axle；On first bent axle
It is provided with the first driving wheel and the first generator wheel；One end of the second connecting rod is articulated in the second piston, the other end
Hinged second bent axle；It is provided with the second driving wheel and the second generator wheel on second bent axle.
3. increasing journey according to claim 1 gasoline engine for electric vehicle, which is characterized in that when the first piston and second
When the distance of piston is nearest, there is preset distance, and make the first piston, the between the first piston and second piston
Accommodating space is formed between two pistons and cylinder body；The fuel injector and spark plug are both secured to the corresponding cylinder body of the accommodating space
On.
4. increasing journey according to claim 1 gasoline engine for electric vehicle, which is characterized in that the fuel injector is direct-injection oil spout
Device.
5. increasing journey according to claim 1 gasoline engine for electric vehicle, which is characterized in that the quantity of the fuel injector is 2
A, described two fuel injectors are on the same diameter line of the cylinder body.
6. increasing journey according to claim 1 gasoline engine for electric vehicle, which is characterized in that the quantity of the spark plug is two
A, two spark plugs are on the same diameter line of the cylinder body.
7. increasing journey according to claim 1 gasoline engine for electric vehicle, which is characterized in that adjacent spark plug and fuel injector
Between angle be 20-35 °.
8. increasing journey according to claim 1 gasoline engine for electric vehicle, which is characterized in that offer first on the cylinder body
Air inlet, first row gas port and the first scavenging port, first air inlet are located at the left side of the first row gas port, and described first
Air inlet is located at the left side of the right stop of the first piston, and the first row gas port is located at the left stop of the first piston
Right side, first scavenging port is between first air inlet and first row gas port；
The second air inlet, second exhaust port and the second scavenging port are further opened on the cylinder body, second air inlet is located at institute
The right side of second exhaust port is stated, second air inlet is located at the right side of the left stop of the second piston, the second exhaust
Mouth is located at the left side of the right stop of the second piston, and second scavenging port is located at second air inlet and second exhaust port
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820392817.1U CN208010468U (en) | 2018-03-22 | 2018-03-22 | Increase journey gasoline engine for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820392817.1U CN208010468U (en) | 2018-03-22 | 2018-03-22 | Increase journey gasoline engine for electric vehicle |
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| CN208010468U true CN208010468U (en) | 2018-10-26 |
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| CN201820392817.1U Active CN208010468U (en) | 2018-03-22 | 2018-03-22 | Increase journey gasoline engine for electric vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112955638A (en) * | 2018-10-31 | 2021-06-11 | 品纳科动力有限公司 | Hybrid power opposed piston type internal combustion engine |
-
2018
- 2018-03-22 CN CN201820392817.1U patent/CN208010468U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112955638A (en) * | 2018-10-31 | 2021-06-11 | 品纳科动力有限公司 | Hybrid power opposed piston type internal combustion engine |
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