CN213331221U - Anti-icing structure of engine crank system and engine - Google Patents

Anti-icing structure of engine crank system and engine Download PDF

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Publication number
CN213331221U
CN213331221U CN202022360263.7U CN202022360263U CN213331221U CN 213331221 U CN213331221 U CN 213331221U CN 202022360263 U CN202022360263 U CN 202022360263U CN 213331221 U CN213331221 U CN 213331221U
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engine
air inlet
ventilation pipe
pipe
interface
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窦春楠
翁耳楠
张聪
韩严胜
管振海
刘曙铭
李宗�
常瑞征
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Great Wall Motor Co Ltd
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Great Wall Motor Co Ltd
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Abstract

The utility model provides an anti-icing structure of engine triton system belongs to engine technical field, including engine intake pipe, crankcase ventilation pipe group and hydrops box. The air inlet pipe of the engine is connected with a supercharger; the crankcase ventilation pipe group comprises a first ventilation pipe connected with an engine air inlet pipe and a second ventilation pipe connected with a shell of the supercharger; the liquid accumulation box is arranged on an engine air inlet pipe and is used for being communicated with the first ventilation pipe so as to mix cold air entering from the engine air inlet pipe and hot air entering from the first ventilation pipe. The utility model also provides an automobile. The utility model provides a pair of anti-icing structure of engine crank system has solved under the low temperature environment, fires the frozen condition of oil vehicle crankcase ventilation pipe and engine intake pipe kneck, avoids the engine consequently and takes place the problem of damage.

Description

Anti-icing structure of engine crank system and engine
Technical Field
The utility model belongs to the technical field of the engine, more specifically say, relate to an anti-icing structure of engine cranking system and use engine of this anti-icing structure of engine cranking system.
Background
With the development of economy, the living standard of people is continuously improved, and automobiles enter thousands of households. China is wide in territory, the temperature difference between the south and the north is great, and the temperature in the northeast and the northwest is lower than minus 30 ℃ frequently. Under the natural environment, the interface between a ventilation pipe of a crankcase of the fuel vehicle and an air inlet pipe of an engine is often frozen, and the interface is blocked by ice along with the increase of the driving time, so that the pressure of the crankcase of the engine is increased, an oil seal is separated, and the engine is damaged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anti-icing structure of engine crank system aims at solving under low temperature environment, and the condition of freezing often appears in fuel car crankcase ventilation pipe and engine intake pipe kneck, and leads to the problem of engine damage.
In order to achieve the above object, the utility model adopts the following technical scheme: provided is an anti-icing structure of an engine crank system, comprising:
the engine air inlet pipe is connected with a supercharger;
the crankcase ventilation pipe group comprises a first ventilation pipe connected with the engine air inlet pipe and a second ventilation pipe connected with the shell of the supercharger;
and the liquid accumulation box is arranged on the engine air inlet pipe and is used for communicating with the first ventilation pipe so as to mix cold air entering from the engine air inlet pipe and hot air entering from the first ventilation pipe.
As another embodiment of the present application, the air inlet end of the first ventilation pipe and the air inlet end of the second ventilation pipe are communicated with each other and connected to the crankcase; and the exhaust end of the first ventilation pipe and the exhaust end of the second ventilation pipe are respectively communicated with the engine air inlet pipe along the air flowing direction in the engine air inlet pipe.
As another embodiment of this application, the hydrops box intercommunication the interface of engine intake pipe is first interface, the hydrops box with the interface of first ventilation pipe inlet end intercommunication is the second interface, first interface axis with the axis of second interface is the contained angle setting.
As another embodiment of the present application, the first interface axis and the second interface axis are perpendicular.
As another embodiment of the application, a flow guide structure for guiding the hot air and the cold air to be fully mixed is arranged in the liquid accumulation box.
As another embodiment of the present application, the flow guiding structure includes at least one flow guiding plate, and the at least one flow guiding plate is located between the first interface and the second interface.
As another embodiment of this application, the quantity of guide plate is two, and one the guide plate is half to surround and is in the first interface outer fringe and be close to the one side setting of second interface, another the guide plate with the second interface sets up relatively.
As another embodiment of this application, the guide plate with hydrops box integrated into one piece.
The utility model provides a pair of anti-icing structure of engine triton system's beneficial effect lies in: compared with the prior art, the utility model relates to an anti-icing structure of engine triton system, two ventilation pipes are by the crankcase to the engine intake pipe air inlet, and the gas that gets into by the engine intake pipe is the low temperature gas the same with atmospheric temperature, and the gas temperature in the crankcase is higher than the gas temperature of engine intake pipe. The gas entering from the first ventilation pipe is fully mixed with the low-temperature gas in the engine air inlet pipe in the liquid accumulation box, and then enters the engine air inlet pipe after heat exchange is finished, so that the gas is prevented from being condensed at the position; the second ventiduct is connected with the shell of booster, and under the heat conduction influence of the inside exhaust turbine of booster, the temperature behind the shell of engine intake pipe can obtain promoting to make the temperature of this department close with the gas temperature who gets into by the second ventiduct, the heat exchange is less, and gaseous difficult here meets the condensation knot. The utility model provides a pair of anti-icing structure of engine crank system has solved under the low temperature environment, fires the frozen condition of oil vehicle crankcase ventilation pipe and engine intake pipe kneck, avoids the engine consequently and takes place the problem of damage.
The utility model also provides an automobile, including foretell engine crank system anti-icing structure.
The utility model provides a pair of beneficial effect of car lies in: compared with the prior art, the utility model discloses an automobile is owing to used foretell engine cranking system anti-icing structure, consequently possesses the same beneficial effect with engine cranking system anti-icing structure, no longer gives unnecessary details here one by one.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an anti-icing structure of an engine crank system according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an anti-icing structure of an engine crank system according to an embodiment of the present invention, in which a liquid accumulation box is cut open;
fig. 3 is an included angle structure formed by the axes of the first interface axis and the second interface in the connection structure of the engine intake pipe and the effusion box provided by the embodiment of the present invention.
In the figure: 100. an engine intake duct; 200. a first vent pipe; 300. a second vent pipe; 400. a liquid accumulation box; 410. a first interface; 420. a second interface; 430. a baffle; 500. a supercharger.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, an anti-icing structure of an engine crank system according to the present invention will now be described. An anti-icing structure of an engine crank system comprises an engine air inlet pipe 100, a crankcase ventilation pipe group and a liquid accumulation box 400.
The engine intake pipe 100 is connected with a supercharger 500; the crankcase ventilation pipe group comprises a first ventilation pipe 200 connected with an engine air inlet pipe 100 and a second ventilation pipe 300 connected with a shell of a supercharger 500; the liquid trap 400 is installed on the engine intake duct 100 to communicate with the first vent duct 200 to mix cold air entering from the engine intake duct 100 with hot air entering from the first vent duct 200.
The utility model provides a pair of anti-icing structure of engine triton system compares with prior art, and two ventilation pipes are by the crankcase to engine intake pipe 100 air intakes, and the gas that gets into by engine intake pipe 100 is the low temperature gas the same with atmospheric temperature, and the gas temperature in the crankcase is higher than engine intake pipe 100's gas temperature. The gas entering from the first ventilation pipe 200 is fully mixed with the low-temperature gas in the engine air inlet pipe 100 in the liquid accumulation box 400, and then enters the engine air inlet pipe 100 after heat exchange is finished, so that the gas is prevented from being condensed at the position; the second ventilation pipe 300 is connected with the housing of the supercharger 500, and under the influence of the heat conduction of the exhaust turbine in the supercharger 500, the temperature of the gas in the engine intake pipe 100 passing through the housing of the supercharger 500 is increased, so that the temperature of the place is close to the temperature of the gas entering from the second ventilation pipe 300, the heat exchange is less, and the gas is not easy to be condensed at the place. The utility model provides a pair of anti-icing structure of engine crank system has solved under the low temperature environment, fires the frozen condition of oil vehicle crankcase ventilation pipe and the 100 knecks of engine intake pipe, avoids the engine consequently and takes place the problem of damage.
Furthermore, the utility model provides a pair of anti-icing structure of engine cranking system adopts dual gas circulation structural connection engine intake pipe 100, need not to install heater and ECU control system in engine intake pipe 100, has reduced manufacturing cost. Meanwhile, when one pipeline is blocked, the dual gas circulation structure can also avoid the blockage of the other pipeline, so that the communication is realized, and the pressure stability of the crankcase is maintained.
Optionally, the air inlet end of the first ventilation pipe 200 and the air inlet end of the second ventilation pipe 300 are communicated with each other and connected to the crankcase; the exhaust end of the first ventilation pipe 200 and the exhaust end of the second ventilation pipe 300 are respectively communicated with the engine intake pipe 100 along the gas flowing direction in the engine intake pipe 100.
As a specific implementation manner of the anti-icing structure of the engine crank system provided by the utility model, please refer to fig. 2 and fig. 3, the interface of the effusion cell 400 communicating with the engine intake pipe 100 is the first interface 410, the interface of the effusion cell 400 communicating with the intake end of the first ventilation pipe 200 is the second interface 420, and the axis of the first interface 410 and the axis of the second interface 420 are arranged in an included angle.
In this embodiment, the liquid accumulation box 400 is further provided with a third interface, and the air in the engine air inlet pipe 100 enters the liquid accumulation box 400 through the first interface 410, is mixed with the hot air entering through the first ventilation pipe 200, and returns the mixed air after mixed heat exchange to the engine air inlet pipe 100 through the third interface on the liquid accumulation box 400. The axis of the first interface 410 and the axis of the second interface 420 form an included angle a, so that the first interface 410 and the second interface 420 are prevented from being arranged relatively, gas entering the liquid accumulation box 400 from the second interface 420 directly enters the engine air inlet pipe 100 from the first interface 410, the time of heat exchange of the gas in the liquid accumulation box 400 is shortened, and the anti-icing effect is influenced.
As a specific implementation manner of the anti-icing structure of the engine crank system provided by the present invention, please refer to fig. 3, the axis of the first interface 410 is perpendicular to the axis of the second interface 420.
In this embodiment, the first interface 410 and the second interface 420 which are vertically arranged can make the gas turn after colliding with the opposite side wall after entering from the second interface 420, and then enter the engine air inlet pipe 100 from the first interface 410, so that the heat exchange time of the gas in the effusion box 400 is improved, and the anti-icing effect is ensured.
As a specific implementation manner of the anti-icing structure of the engine crank system provided by the present invention, please refer to fig. 2, a flow guiding structure for guiding the hot air and the cold air to be fully mixed is provided in the effusion box 400.
In this embodiment, the inside of hydrops box 400 is located to the water conservancy diversion structure, separates the hydrops box 400 inner chamber and forms the gaseous passageway of guide, increases gaseous flow length in hydrops box 400, improves the mixing time of hot-air and cold air in hydrops box 400, ensures anti-icing effect.
Optionally, the flow directing structure includes at least one flow guide 430, and the at least one flow guide 430 is positioned between the first port 410 and the second port 420.
In this embodiment, the baffle 430 is located between the first interface 410 and the second interface 420, and one baffle 430 can form a bent channel between the first interface 410 and the second interface 420, and when a plurality of baffles 430 are arranged, a plurality of bent channels can be formed between the first interface 410 and the second interface 420, so that the flowing time of gas in the effusion box 400 is increased, the heat exchange time is increased, and the anti-icing effect is improved.
As a specific implementation manner of the anti-icing structure of the engine crank system provided by the present invention, please refer to fig. 2, the number of the guide plates 430 is two, one guide plate 430 is half surrounded on the outer edge of the first interface 410 and is disposed near one side of the second interface 420, and the other guide plate 430 is disposed opposite to the second interface 420.
In this embodiment, a gap is formed between one side of the baffle 430 opposite to the second port 420 and the inner sidewall of the effusion cell 400, and the gas entering from the second port 420 flows through the gap to form a vortex gas flow, which rotates circumferentially around the first port 410 and is finally discharged from the first port 410. Wherein, the baffle 430 that partly surrounds at the epitaxy of second interface 420 can form the overflow channel with another baffle 430, ensures that the demonstration of indiscriminate stream can not take place for the vortex air current, simultaneously, can ensure that the vortex air current can discharge again after revolving a week around first interface 410 at least, has improved the heat exchange time of gaseous in the hydrops box 400, ensures the effect of anti-icing of hydrops box 400.
As a specific implementation manner of a pair of anti-icing structure of engine crank system, guide plate 430 and hydrops box 400 integrated into one piece.
In this embodiment, guide plate 430 integrated into one piece can improve the stability of guide plate 430 structure in hydrops box 400, avoids guide plate 430 to drop in hydrops box 400 and influences the heat exchange effect of hydrops box 400.
The utility model also provides an automobile has used foretell engine crank system anti-icing structure.
The utility model provides a pair of beneficial effect of car lies in: compared with the prior art, the utility model discloses an automobile is owing to used foretell engine cranking system anti-icing structure, consequently possesses the same beneficial effect with engine cranking system anti-icing structure, no longer gives unnecessary details here one by one.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. An anti-icing structure of an engine crank system, comprising:
the engine air inlet pipe is connected with a supercharger;
the crankcase ventilation pipe group comprises a first ventilation pipe connected with the engine air inlet pipe and a second ventilation pipe connected with the shell of the supercharger;
and the liquid accumulation box is arranged on the engine air inlet pipe and is used for communicating with the first ventilation pipe so as to mix cold air entering from the engine air inlet pipe and hot air entering from the first ventilation pipe.
2. The anti-icing structure of an engine crank system according to claim 1, wherein the air inlet end of the first ventilation pipe and the air inlet end of the second ventilation pipe are communicated with each other and connected to the crankcase; and the exhaust end of the first ventilation pipe and the exhaust end of the second ventilation pipe are respectively communicated with the engine air inlet pipe along the air flowing direction in the engine air inlet pipe.
3. The anti-icing structure of an engine crank system as claimed in claim 1, wherein a port through which the liquid accumulating box communicates with the air inlet end of the engine air inlet pipe is a first port, a port through which the liquid accumulating box communicates with the first vent pipe is a second port, and an axis of the first port and an axis of the second port are arranged at an included angle.
4. An engine crank system ice protection structure as claimed in claim 3, wherein the first interface axis and the second interface axis are perpendicular.
5. The anti-icing structure of an engine crank system as claimed in claim 3, wherein a flow guiding structure for guiding the hot air and the cold air to be fully mixed is arranged in the liquid accumulation box.
6. The engine crank system anti-icing structure of claim 5, wherein said flow directing structure comprises at least one flow deflector, at least one said flow deflector being located between said first interface and said second interface.
7. The anti-icing structure for the engine crank system according to claim 6, wherein the number of the baffles is two, one of the baffles is disposed to surround a side of the outer edge of the first port close to the second port, and the other baffle is disposed opposite to the second port.
8. The anti-icing structure of an engine crank system of claim 6, wherein said baffle is integrally formed with said accumulator box.
9. An engine comprising the engine crank system anti-icing arrangement of any one of claims 1-8.
CN202022360263.7U 2020-10-21 2020-10-21 Anti-icing structure of engine crank system and engine Active CN213331221U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022360263.7U CN213331221U (en) 2020-10-21 2020-10-21 Anti-icing structure of engine crank system and engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022360263.7U CN213331221U (en) 2020-10-21 2020-10-21 Anti-icing structure of engine crank system and engine

Publications (1)

Publication Number Publication Date
CN213331221U true CN213331221U (en) 2021-06-01

Family

ID=76073785

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022360263.7U Active CN213331221U (en) 2020-10-21 2020-10-21 Anti-icing structure of engine crank system and engine

Country Status (1)

Country Link
CN (1) CN213331221U (en)

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