CN214366462U - Air inlet system of V-shaped gas engine and V-shaped gas engine - Google Patents
Air inlet system of V-shaped gas engine and V-shaped gas engine Download PDFInfo
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- CN214366462U CN214366462U CN202022809157.2U CN202022809157U CN214366462U CN 214366462 U CN214366462 U CN 214366462U CN 202022809157 U CN202022809157 U CN 202022809157U CN 214366462 U CN214366462 U CN 214366462U
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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
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- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The utility model relates to a V type gas engine's air intake system and V type gas engine, air intake system include the blender, first booster, second booster and intercooler, the gas vent of intercooler is used for linking to each other with the cylinder of engine, first booster has first compressor, the second booster has the second compressor, still be provided with the stabiliser between blender and first booster and the second booster, wherein, the gas outlet of blender links to each other with the air inlet of stabiliser; a first air outlet of the voltage stabilizer is connected with an air inlet of the first air compressor; and a second air outlet of the voltage stabilizer is connected with an air inlet of the second air compressor, an air outlet of the first air compressor and an air outlet of the second air compressor are connected to the same exhaust main pipe, and the exhaust main pipe is connected with an air inlet of the intercooler. The air intake system ensures that the air-fuel ratio of the mixed gas entering the cylinders on the left and right sides of the V-shaped engine is consistent, so that the engine can run reliably and stably.
Description
Technical Field
The utility model relates to an engine design production technical field, in particular to V type gas engine's air intake system and V type gas engine.
Background
As shown in fig. 1, in a conventional V-type engine, gas and air are mixed in a mixer and then enter a supercharger for supercharging, two superchargers are usually provided in the V-type engine, the two superchargers respectively send supercharged mixed gas into an intercooler for cooling through a compressor outlet pipe a and a compressor outlet pipe B, and the mixed gas cooled by the intercooler is distributed to cylinders on the left and right sides of the V-type engine (one side of the cylinders is called as a-row cylinders, and the other side of the cylinders is called as B-row cylinders).
However, if the mixture of the air and the fuel gas at the outlet of the mixer is not uniform, the non-uniformity is transmitted to the outlet pipe of the compressor, that is, the air-fuel ratio of the mixture in the outlet pipe a of the compressor to the mixture in the outlet pipe B of the compressor is not uniform, while the volume of the intercooler is relatively large, the air flows from two sides have large inertia, which causes more air in the outlet pipe a of the compressor to flow into the cylinder column a, more air in the outlet pipe B of the compressor to flow into the cylinder column B, and the non-uniformity of the air-fuel ratio at the left and right sides of the V-type engine causes non-uniformity of combustion and work, which affects the efficiency of the engine and the smooth operation of the engine.
Therefore, how to improve the intake uniformity of the V-type gas engine to ensure the air-fuel ratio in the left and right cylinders of the V-type gas engine to be consistent and to make the engine run smoothly is a technical problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a V type gas engine's air intake system to can improve V type gas engine's the homogeneity of admitting air, guarantee that the air-fuel ratio is unanimous in the cylinder of the V type engine left and right sides, thereby make the operation of engine reliable and stable.
In order to achieve the above object, the present invention provides an intake system of a V-type gas engine, comprising a mixer, a first supercharger, a second supercharger, and an intercooler, wherein an exhaust port of the intercooler is configured to be connected to a cylinder of the engine, the first supercharger has a first compressor, the second supercharger has a second compressor, a pressure stabilizer is further disposed between the mixer and the first supercharger and the second supercharger, wherein,
the air outlet of the mixer is connected with the air inlet of the voltage stabilizer; a first air outlet of the voltage stabilizer is connected with an air inlet of the first air compressor; the second gas outlet of stabiliser with the air inlet of second compressor links to each other, the gas outlet of first compressor with the gas outlet of second compressor is in common to same exhaust manifold, exhaust manifold with the air inlet of intercooler links to each other.
Preferably, the air inlet of the mixer comprises a first inlet and a second inlet, wherein,
the first inlet is connected with a first air introducing pipeline, the second inlet is connected with a second air introducing pipeline, and air filters are arranged in the first air introducing pipeline and the second air introducing pipeline.
Preferably, the pressurizer is further provided with a dispersing sheet for dispersing intake airflow, and the dispersing sheet is positioned in the inner cavity of the pressurizer and is close to the air inlet of the pressurizer.
Preferably, the stabiliser is cylindric, just the air current direction of the air inlet of stabiliser is on a parallel with the tangential of stabiliser, the air current direction of the air outlet of stabiliser is on a parallel with the axial of stabiliser.
Preferably, a plurality of air inlets are arranged on the voltage stabilizer, and exhaust pipelines which are in one-to-one correspondence with the air inlets are arranged on the mixer.
Preferably, the regulator is cylindrical, the number of the exhaust pipelines is even, one or more pairs of exhaust pipelines are formed in the circumferential direction of the regulator, and the central angle between each pair of exhaust pipelines is 180 °.
Preferably, a first mixed gas inlet and a second mixed gas inlet are formed in the exhaust main pipe, a gas outlet of the first gas compressor is connected with the first mixed gas inlet, a gas outlet of the second gas compressor is connected with the second mixed gas inlet, and the gas inlet directions of the first mixed gas inlet and the second mixed gas inlet are both the tangential direction of the cross section of the exhaust main pipe.
Preferably, the exhaust manifold is provided with a first mixed gas inlet and a second mixed gas inlet, the gas outlet of the first gas compressor is connected with the first mixed gas inlet, the gas outlet of the second gas compressor is connected with the second mixed gas inlet, and the gas inlet directions of the first mixed gas inlet and the second mixed gas inlet are both radial directions of the exhaust manifold.
Preferably, the first mixture inlet and the second mixture inlet have a central angle of 180 °.
The utility model discloses a V type gas engine's air intake system who discloses in be above-mentioned arbitrary one V type gas engine's air intake system who discloses.
Compared with the prior art, the air inlet system of the V-shaped gas engine disclosed by the utility model has two main improvements, wherein one of the two improvements is that a voltage stabilizer is additionally arranged between the mixer and the first supercharger and the second supercharger, and the other improvement is that the air outlet of the first compressor and the air outlet of the second compressor are connected to the same exhaust main pipe;
the pressure stabilizer not only can adjust the pressure of the mixed gas discharged by the mixer, but also can further uniformly mix the air and the fuel gas in the mixed gas, so that the mixed gas entering the first supercharger and the second supercharger is uniform and consistent; the air outlet of the first air compressor and the air outlet of the second air compressor are connected to the same exhaust main pipe in a sharing mode, secondary mixing of the two pressurized mixed gases is achieved, uniformity of the mixed gases is further improved, accordingly, the air-fuel ratio of the mixed gases entering the left side cylinder and the right side cylinder of the V-shaped engine is guaranteed to be consistent, and the engine can run reliably and stably.
Drawings
FIG. 1 is a schematic view of an air intake system of a prior art V-type gas engine;
fig. 2 is a schematic view of an intake system of a V-type gas engine disclosed in an embodiment of the present invention.
Detailed Description
The core of the utility model is to provide a V type gas engine's air intake system to can improve V type gas engine's the homogeneity of admitting air, guarantee that the air-fuel ratio is unanimous in the cylinder of the V type engine left and right sides, thereby make the operation of engine reliable and stable.
Referring to fig. 2, the intake system of the V-type gas engine disclosed in the present embodiment includes a mixer, a first supercharger, a second supercharger, and an intercooler, an exhaust port of the intercooler is configured to be connected to an intake manifold of the engine, it should be understood that, for the V-type engine with an intake manifold, an exhaust port of the intercooler is configured to be connected to the intake manifold, and for the V-type engine without an intake manifold, an exhaust port of the intercooler is directly connected to an intake port of a cylinder, a compressor in the first supercharger is referred to as a first compressor, and a compressor in the second supercharger is referred to as a second compressor, compared to the prior art, in the intake system disclosed in the present embodiment, a pressure stabilizer is further disposed between the mixer and the first supercharger and the second supercharger, wherein:
the air outlet of the mixer is connected with the air inlet of the pressure stabilizer, the first air outlet of the pressure stabilizer is connected with the air inlet of the first air compressor, the second air outlet of the pressure stabilizer is connected with the air inlet of the second air compressor, the air outlet of the first air compressor and the air outlet of the second air compressor are connected to the same exhaust header pipe, and the exhaust header pipe is connected with the air inlet of the intercooler.
In the working process of the engine, air and fuel gas firstly enter the mixer to be mixed, mixed gas formed by the air and the fuel gas exhausted by the mixer enters the pressure stabilizer, the pressure stabilizer is provided with a pressure stabilizing cavity, the mixed gas which is further uniformly mixed in the pressure stabilizing cavity enters the first air compressor through the first air outlet and enters the second air compressor through the second air outlet, the mixed gas which is pressurized in the first air compressor and the second air compressor enters the exhaust main pipe, then enters the intercooler through the exhaust main pipe to be cooled, and finally enters the cylinder through the intercooler to be combusted.
Compared with the prior art, the air inlet system of the V-shaped gas engine disclosed in the embodiment mainly has two improvements, wherein one of the improvements is that a voltage stabilizer is additionally arranged between a mixer and a first supercharger and a second supercharger, and the other improvement is that an air outlet of a first compressor and an air outlet of a second compressor are connected to the same exhaust manifold together;
the pressure stabilizer not only can adjust the pressure of the mixed gas discharged by the mixer, but also can further uniformly mix the air and the fuel gas in the mixed gas, so that the mixed gas entering the first supercharger and the second supercharger is uniform and consistent; the air outlet of the first air compressor and the air outlet of the second air compressor are connected to the same exhaust main pipe in a sharing mode, secondary mixing of the two pressurized mixed gases is achieved, uniformity of the mixed gases is further improved, accordingly, the air-fuel ratio of the mixed gases entering the left side cylinder and the right side cylinder of the V-shaped engine is guaranteed to be consistent, and the engine can run reliably and stably.
As shown in fig. 2, in one embodiment, the air inlet of the mixer includes a first inlet connected to the first air introduction pipe and a second inlet connected to the second air introduction pipe, and air cleaners are provided in both the first air introduction pipe and the second air introduction pipe in order to remove particulate impurities contained in the air. Of course, it will be appreciated by those skilled in the art that the mixer may be provided with only one air inlet, connected to the air inlet by an air manifold, and with an air filter provided in the air manifold.
In order to ensure that the mixed gas can be uniformly mixed in the pressure stabilizer as much as possible, the pressure stabilizer disclosed in this embodiment is further provided with a plurality of dispersible tablets for dispersing the intake airflow, the dispersible tablets are located in the inner cavity of the pressure stabilizer and should include a plurality of dispersible tablets, and the dispersible tablets should be arranged as close to the intake port of the pressure stabilizer as possible under normal conditions.
The shape of the regulator is not limited, and the regulator may have a pressure stabilizing cavity for further mixing the mixed gas, and theoretically, the regulator may be cylindrical, rectangular or frustum-shaped. In this embodiment, the stabiliser specifically is cylindricly to the air current direction of the air inlet of stabiliser is on a parallel with the tangential direction of stabiliser, and the air current direction of the gas outlet of stabiliser is on a parallel with the axial of stabiliser, and this kind of mode of setting up makes the mist that enters into in the stabiliser can produce rotatoryly, can make the abundant mixing of mist among the rotatory process, and the gas outlet air current direction of stabiliser is on a parallel with the axial can the minimize back pressure of giving vent to anger, guarantees that mist gets into first booster and second booster smoothly.
In another embodiment, the cylindrical pressure stabilizer is provided with a plurality of air inlets, and the mixer is also provided with exhaust pipelines which correspond to the air inlets on the pressure stabilizer one by one, and the exhaust pipelines are connected with the air inlets on the pressure stabilizer. The pressure stabilizer is provided with a plurality of air inlets, so that the air inlets can impact each other, and the mixed gas can be further uniformly mixed in the impact process; preferably, the number of the gas inlets provided on the regulator is even, and correspondingly, the number of the exhaust pipes is even, the exhaust pipes are arranged in pairs in the circumferential direction of the regulator, and the central angle between each pair of exhaust pipes is 180 °, so that the mixed gas exhausted by each pair of exhaust pipes impacts each other, thereby achieving the purpose of improving the uniformity of gas mixing.
The exhaust main pipe is provided with a first mixed gas inlet and a second mixed gas inlet, the gas outlet of the first gas compressor is connected with the first mixed gas inlet, the gas outlet of the second gas compressor is connected with the second mixed gas inlet, and the gas inlet directions of the first mixed gas inlet and the second mixed gas inlet are the tangential directions of the cross section of the exhaust main pipe. This arrangement also causes the mixed gas entering the exhaust manifold to rotate, and the two mixed gases entering from the first mixed gas inlet and the second mixed gas inlet further mix and rotate with each other, which can further improve the uniformity of mixing of the air and the fuel gas.
Besides, the air inlet direction of the first mixed gas inlet and the air inlet direction of the second mixed gas inlet can also be along the radial direction of the exhaust manifold, the two mixed gases entering from the first mixed gas inlet and the second mixed gas inlet are impacted by the arrangement, so that the two mixed gases can be further mixed with each other, the mixing uniformity of air and fuel gas is improved, and the central angle between the first mixed gas inlet and the second mixed gas inlet is 180 degrees in a preferred mode.
The utility model discloses an air intake system among the V type gas engine that discloses is the air intake system disclosed in above-mentioned arbitrary embodiment, owing to adopted above-mentioned air intake system, therefore this V type gas engine has the corresponding technical advantage of above-mentioned air intake system concurrently, and the technical staff in the art can refer to the above-mentioned understanding, no longer gives unnecessary details here.
It is right above the utility model provides a V type gas engine's air intake system and V type gas engine have carried out the detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. An air inlet system of a V-shaped gas engine comprises a mixer, a first supercharger, a second supercharger and an intercooler, wherein an air outlet of the intercooler is used for being connected with a cylinder of the engine, the first supercharger is provided with a first air compressor, the second supercharger is provided with a second air compressor, a voltage stabilizer is further arranged between the mixer and the first supercharger and between the mixer and the second supercharger, wherein,
the air outlet of the mixer is connected with the air inlet of the voltage stabilizer; a first air outlet of the voltage stabilizer is connected with an air inlet of the first air compressor; the second gas outlet of stabiliser with the air inlet of second compressor links to each other, the gas outlet of first compressor with the gas outlet of second compressor is in common to same exhaust manifold, exhaust manifold with the air inlet of intercooler links to each other.
2. The air intake system of claim 1, wherein the air inlet of the mixer includes a first inlet and a second inlet, wherein,
the first inlet is connected with a first air introducing pipeline, the second inlet is connected with a second air introducing pipeline, and air filters are arranged in the first air introducing pipeline and the second air introducing pipeline.
3. The intake system of claim 1, wherein the pressurizer further comprises a dispersion plate for dispersing intake airflow, the dispersion plate being located in the inner cavity of the pressurizer and adjacent to the intake port of the pressurizer.
4. The intake system of claim 1, wherein the pressurizer is cylindrical, and the airflow direction of the inlet of the pressurizer is parallel to the tangential direction of the pressurizer, and the airflow direction of the outlet of the pressurizer is parallel to the axial direction of the pressurizer.
5. The intake system of claim 1, wherein the regulator is cylindrical, the regulator has a plurality of intake ports, and the mixer has exhaust lines corresponding to the intake ports.
6. The intake system of claim 5, wherein the regulator is cylindrical and the number of exhaust pipes is even, and the exhaust pipes form one or more pairs in a circumferential direction of the regulator, and a central angle included by each pair of exhaust pipes is 180 °.
7. The air intake system of claim 1, wherein the exhaust manifold is provided with a first mixed gas inlet and a second mixed gas inlet, the air outlet of the first compressor is connected with the first mixed gas inlet, the air outlet of the second compressor is connected with the second mixed gas inlet, and the air intake directions of the first mixed gas inlet and the second mixed gas inlet are tangential to the cross section of the exhaust manifold.
8. The air intake system of claim 1, wherein the exhaust manifold is provided with a first mixture inlet and a second mixture inlet, the air outlet of the first compressor is connected with the first mixture inlet, the air outlet of the second compressor is connected with the second mixture inlet, and the air intake directions of the first mixture inlet and the second mixture inlet are both radial directions of the exhaust manifold.
9. The air intake system of claim 8, wherein the first mixture inlet and the second mixture inlet enclose a central angle of 180 °.
10. A V-type gas engine characterized in that an intake system of the V-type gas engine is the intake system of the V-type gas engine according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022809157.2U CN214366462U (en) | 2020-11-27 | 2020-11-27 | Air inlet system of V-shaped gas engine and V-shaped gas engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022809157.2U CN214366462U (en) | 2020-11-27 | 2020-11-27 | Air inlet system of V-shaped gas engine and V-shaped gas engine |
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| Publication Number | Publication Date |
|---|---|
| CN214366462U true CN214366462U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022809157.2U Active CN214366462U (en) | 2020-11-27 | 2020-11-27 | Air inlet system of V-shaped gas engine and V-shaped gas engine |
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| Country | Link |
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| CN (1) | CN214366462U (en) |
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- 2020-11-27 CN CN202022809157.2U patent/CN214366462U/en active Active
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