CN214660556U - Air inlet pipeline structure, engine crankcase ventilation system and vehicle - Google Patents

Air inlet pipeline structure, engine crankcase ventilation system and vehicle Download PDF

Info

Publication number
CN214660556U
CN214660556U CN202120635473.4U CN202120635473U CN214660556U CN 214660556 U CN214660556 U CN 214660556U CN 202120635473 U CN202120635473 U CN 202120635473U CN 214660556 U CN214660556 U CN 214660556U
Authority
CN
China
Prior art keywords
pipe
air
heat
crankcase ventilation
air outlet
Prior art date
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.)
Active
Application number
CN202120635473.4U
Other languages
Chinese (zh)
Inventor
李宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Great Wall Motor Co Ltd
Original Assignee
Great Wall Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Great Wall Motor Co Ltd filed Critical Great Wall Motor Co Ltd
Priority to CN202120635473.4U priority Critical patent/CN214660556U/en
Application granted granted Critical
Publication of CN214660556U publication Critical patent/CN214660556U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

The utility model is suitable for an automobile air intake system technical field provides an air inlet pipeline structure, engine crankcase ventilation system and vehicle. This air intake pipeline structure includes: the water absorption device and the heating device are sequentially arranged on the inner pipe wall of the air filter air outlet pipe of the vehicle engine, the water absorption device is arranged close to the pipe opening of the air filter air outlet pipe, the water absorption device absorbs moisture in the air filter air outlet pipe and then emits heat, and the heating device absorbs the heat and conducts the heat to a position where the heat is easy to freeze at the joint of the heating device and the crankcase ventilation pipe, so that moisture can be absorbed, a large amount of water vapor in the atmosphere can be prevented from entering the engine, and the phenomenon that the engine performance is influenced by the freezing of the joint of the air filter air outlet pipe and the crankcase ventilation pipe in a low-temperature environment can be effectively prevented.

Description

Air inlet pipeline structure, engine crankcase ventilation system and vehicle
Technical Field
The utility model belongs to the technical field of car air intake system, especially, relate to an air inlet pipeline structure, engine crankcase ventilation system and vehicle.
Background
When the weather is cold, the automobile can be frozen, particularly in some northern areas, the temperature can reach minus 30 ℃ or even minus 40 ℃, so that the automobile freezing problem is serious, particularly the engine crankcase ventilation pipe is frozen frequently.
When the engine of the automobile works, hot mixed oil gas in the crankcase flows to PCV and an air intake system through the crankcase ventilation pipe, and meets low-temperature intake air flowing out of the air filter, so that the hot mixed oil gas forms condensed water after being cooled, the condensed water is further frozen, the crankcase ventilation pipe is blocked, and gas in the crankcase of the engine cannot be discharged. The pressure of a crankcase can be increased due to long-time icing, and oil leakage is caused due to falling of an oil seal when the pressure is serious, so that an engine is damaged, and a vehicle cannot run normally.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides an air inlet pipeline structure, engine crankcase ventilation system and vehicle to solve among the prior art because the lower problem that leads to the freezing jam of crankcase ventilation pipe of temperature.
The embodiment of the utility model provides a first aspect provides an air inlet pipeline structure, include: a water absorbing device and a heat generating device;
the water absorption device and the heating device are sequentially arranged on the inner pipe wall of an air filter air outlet pipe of the vehicle engine, and the water absorption device is arranged close to the pipe opening of the air filter air outlet pipe.
As another embodiment of the application, a first groove and a second groove are arranged on the inner pipe wall of the air outlet pipe of the air filter;
the water absorption device is fixed in the first groove, and the heating device is fixed in the second groove.
As another embodiment of the present application, the water absorbing device includes: a desiccant, a non-woven fabric and a cavity;
the drying agent is sealed in the non-woven fabric and is arranged in the cavity;
the cavity is fixed on the inner pipe wall of the air outlet pipe of the air filter.
As another embodiment of the present application, the desiccant is a regenerable desiccant;
the cavity is a plastic cavity.
As another embodiment of the application, the cavity is welded on the inner pipe wall of the air outlet pipe of the air filter.
As another embodiment of the present application, the heat generating device is formed by arranging one heat pipe or at least two heat pipes side by side.
As another embodiment of the present application, the cross-sectional shape of each heat pipe is an oblate shape;
each heat pipe is a vacuum tube with a working fluid disposed therein.
As another embodiment of this application, the heat pipe tiling of arranging side by side is in the second recess, just the one end of the heat pipe of arranging side by side is close to water absorption device, the other end of the heat pipe of arranging side by side is close to the junction of air cleaner outlet duct and crankcase ventilation pipe.
The embodiment of the utility model provides an engine crankcase ventilation system is provided in the second aspect, include: any of the above embodiments provides the intake pipe structure.
The embodiment of the utility model provides a third aspect provides a vehicle, include: any of the above embodiments provide the engine crankcase ventilation system.
Compared with the prior art, the embodiment of the utility model beneficial effect who exists is: the embodiment of the utility model provides a, through inciting somebody to action water absorption device with the device that generates heat sets gradually on the interior pipe wall of vehicle engine's air cleaner outlet duct, just water absorption device is close to the mouth of pipe setting of air cleaner outlet duct emits the heat after absorbing the moisture in the air cleaner outlet duct like this, and the device that generates heat absorbs this heat and conducts to the position that freezes easily with the junction of crankcase ventilation pipe to inside the realization both can absorbed moisture and prevent that a large amount of steam in the atmosphere from getting into the engine, can effectually prevent again that air cleaner outlet duct and crankcase ventilation pipe junction from freezing influence engine performance under the low temperature environment.
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 introduced 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 inventive labor.
Fig. 1 is a schematic view of an air intake pipeline structure provided in an embodiment of the present invention;
FIG. 2 is a schematic diagram of an engine crankcase ventilation system provided by an embodiment of the present invention;
fig. 3 is a schematic diagram of an intake pipeline structure according to another embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to explain the technical solution of the present invention, the following description is made by using specific examples.
Example one
Fig. 1 is the utility model provides a pair of air inlet pipeline structure, can include: a water absorbing device 1 and a heat generating device 2;
the water absorption device 1 and the heating device 2 are sequentially arranged on the inner pipe wall of an air filter air outlet pipe 3 of a vehicle engine, and the water absorption device 1 is arranged close to the pipe opening of the air filter air outlet pipe 3.
The schematic diagram of the ventilation system of the engine crankcase shown in fig. 2 comprises an air filter air outlet pipe 3 and a crankcase ventilation pipe 4, wherein the air filter air outlet pipe 3 is connected with the crankcase ventilation pipe 4 and then communicated with the supercharger, so that hot mixed oil and gas output from the crankcase ventilation pipe 4 and air in the air filter air outlet pipe 3 are input into the supercharger together.
Because in cold weather, the vehicle in-process of traveling, when the outside air passed through vehicle engine's air cleaner, can have a lot of steam in the air after the filtration, water absorption device 1 just can absorb the steam in air cleaner outlet duct 3 this moment, prevents that the steam in the air cleaner outlet duct and the hot mixed oil gas in the crankcase ventilation pipe from causing the problem of icing.
The heating device 2 is used for absorbing the heat that the water absorption device 1 produced when absorbing the steam in the air outlet pipe of the air cleaner, and conducts the absorbed heat, so that the whole heating device 2 is heated, the internal temperature of the air outlet pipe of the air cleaner is effectively increased, and the problem of icing caused by the steam in the air outlet pipe of the air cleaner and the hot mixed oil gas in the ventilation pipe of the crankcase is further prevented.
Optionally, as shown in fig. 3, a first groove 31 and a second groove 32 are provided on the inner pipe wall of the air outlet pipe 3 of the air cleaner;
the water absorption device 1 is fixed in the first groove 31, and the heating device 2 is fixed in the second groove 32.
Alternatively, the first groove 31 may be disposed around the inner wall of the air outlet pipe 3 to form a groove ring, or a plurality of grooves may be disposed on the inner wall of the air outlet pipe 3.
Similarly, the second groove 32 may be a plurality of grooves formed on the inner wall of the air outlet pipe 3 of the air cleaner, or may be a circle around the inner wall of the air outlet pipe 3 of the air cleaner to form a groove ring.
Optionally, the length and the depth of the first groove 31 are not limited in this embodiment, and may be set according to actual requirements. Likewise, the length and depth of the second groove 32 are not limited in this embodiment, and can be set according to actual requirements.
However, for better anti-icing effect, the distance between the connection points of the first groove 31 and the second groove 32 can be set to be smaller, so that the heat generating device 2 can better absorb the heat generated by the water absorbing device 1. Meanwhile, the total length of the first groove 31 and the second groove 32 may be equal to the length from the opening of the air cleaner outlet duct 3 to the joint with the crankcase ventilation duct 4, or the total length of the first groove 31 and the second groove 32 and the length from the opening of the air cleaner outlet duct 3 to the joint with the crankcase ventilation duct 4 are smaller by a preset length. The preset length may be set according to an experiment, and a value of the preset length is not limited in this embodiment.
Alternatively, as shown in fig. 3, the water absorbing device 1 may include: a drying agent 11, a non-woven fabric 12 and a cavity 13;
the drying agent 11 is sealed in the non-woven fabric 12 and is arranged in the cavity 13;
the cavity 13 is fixed on the inner wall of the air outlet pipe 3 of the air cleaner, for example, the cavity 13 is fixed in the first groove 31 of the air outlet pipe 3 of the air cleaner.
The desiccant 11 is packaged by the non-woven fabric 12 to form a desiccant bag, and the desiccant bag is fixed in the cavity 13.
Optionally, the drying agent 11 is a renewable drying agent, so as to improve the service life of the water absorption device 1 and reduce the replacement frequency of the water absorption device 1.
The cavity 13 is a plastic cavity. The cavity 13 is welded on the inner pipe wall of the air outlet pipe 3 of the air filter, so that the cavity 13 is prevented from falling off due to long-term use of the vehicle.
Alternatively, referring to fig. 3, the heat generating device 2 includes one heat pipe or at least two heat pipes arranged side by side. The number of heat pipes is not limited in the present embodiment.
Optionally, the heat pipe tiled of arranging side by side is in second recess 32, and the one end of the heat pipe of arranging side by side is close to water absorption plant 1, this end can be the hot junction, the other end of the heat pipe of arranging side by side is close to the junction of air cleaner outlet duct 3 and crankcase ventilation pipe 4, this end can be the cold junction, drier when water absorption plant 1 meets aquatic products themogenesis, the hot junction absorbed heat of heat pipe, the conduction is to the cold junction that freezes easily in the heat pipe, make whole heat pipe raise the temperature, thereby improve the inside temperature of air cleaner outlet duct, prevent that the cold steam in the air cleaner outlet duct and the interior hot mixed oil gas of crankcase ventilation pipe from causing the problem of freezing.
Optionally, the cross section of each heat pipe is oblate, and the heat pipe can be attached to the inner wall of the air outlet pipe of the air filter more easily due to the shape.
Each heat pipe is a vacuum tube with a working fluid disposed therein. The heat pipe can be manufactured by vacuumizing or evacuating air in the pipe, and then the pipe is filled with working fluid, so that the working fluid is uniformly diffused into the pipe core structure to form vacuum and is sealed in the heat pipe.
According to the air inlet pipeline structure, the water absorbing device and the heating device are sequentially arranged on the inner pipe wall of the air filter air outlet pipe of the vehicle engine, the water absorbing device is arranged close to the pipe orifice of the air filter air outlet pipe, so that the water absorbing device absorbs moisture in the air filter air outlet pipe and emits heat, the heating device absorbs the heat and conducts the heat to the position where the junction of the heating device and the crankcase ventilation pipe is easy to freeze, therefore, moisture can be absorbed, a large amount of water vapor in the atmosphere can be prevented from entering the engine, and the phenomenon that the junction of the air filter air outlet pipe and the crankcase ventilation pipe is frozen to affect the performance of the engine under a low-temperature environment can be effectively prevented. And the utility model has the advantages of simple structure, the cost is lower.
The utility model also provides an engine crankcase ventilation system can include above-mentioned arbitrary embodiment the air inlet pipeline structure, and have the beneficial effect of the air inlet pipeline structure that above-mentioned arbitrary embodiment provided.
The utility model provides a vehicle can include the engine crankcase ventilation system that above-mentioned embodiment provided, and has the beneficial effect that above-mentioned engine crankcase ventilation system brought.
The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims (10)

1. An intake pipe structure, comprising: a water absorbing device and a heat generating device;
the water absorption device and the heating device are sequentially arranged on the inner pipe wall of an air filter air outlet pipe of the vehicle engine, and the water absorption device is arranged close to the pipe opening of the air filter air outlet pipe.
2. The intake manifold structure according to claim 1, wherein the inner pipe wall of the air outlet duct of the air cleaner is provided with a first groove and a second groove;
the water absorption device is fixed in the first groove, and the heating device is fixed in the second groove.
3. The intake pipe structure according to claim 1, wherein the water absorbing device includes: a desiccant, a non-woven fabric and a cavity;
the drying agent is sealed in the non-woven fabric and is arranged in the cavity;
the cavity is fixed on the inner pipe wall of the air outlet pipe of the air filter.
4. The intake pipe structure according to claim 3,
the desiccant is a renewable desiccant;
the cavity is a plastic cavity.
5. The intake duct structure according to claim 3 or 4, wherein the cavity is welded to an inner pipe wall of the air outlet duct of the air cleaner.
6. The intake manifold structure according to claim 2, wherein the heat generating means comprises one heat pipe or at least two heat pipes arranged side by side.
7. The intake manifold structure according to claim 6, wherein each heat pipe has an oblate cross-sectional shape;
each heat pipe is a vacuum tube with a working fluid disposed therein.
8. The intake duct structure of claim 6, wherein the side-by-side arrangement of heat pipes is laid flat in the second recess, and one end of the side-by-side arrangement of heat pipes is adjacent to the water absorbing device, and the other end of the side-by-side arrangement of heat pipes is adjacent to a junction of the air cleaner outlet duct and a crankcase ventilation duct.
9. An engine crankcase ventilation system, comprising an air intake duct structure according to any one of claims 1 to 8.
10. A vehicle comprising the engine crankcase ventilation system of claim 9.
CN202120635473.4U 2021-03-29 2021-03-29 Air inlet pipeline structure, engine crankcase ventilation system and vehicle Active CN214660556U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120635473.4U CN214660556U (en) 2021-03-29 2021-03-29 Air inlet pipeline structure, engine crankcase ventilation system and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120635473.4U CN214660556U (en) 2021-03-29 2021-03-29 Air inlet pipeline structure, engine crankcase ventilation system and vehicle

Publications (1)

Publication Number Publication Date
CN214660556U true CN214660556U (en) 2021-11-09

Family

ID=78456964

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120635473.4U Active CN214660556U (en) 2021-03-29 2021-03-29 Air inlet pipeline structure, engine crankcase ventilation system and vehicle

Country Status (1)

Country Link
CN (1) CN214660556U (en)

Similar Documents

Publication Publication Date Title
CN206054036U (en) A kind of crankcase ventilation pipe heating device and automobile
CN108071445A (en) Crankcase anti-icing equipment, crankcase ventilation system, engine and automobile
CN106731313B (en) Gas filter of natural gas compression system
CN205190000U (en) Crankcase ventilation system
CN214660556U (en) Air inlet pipeline structure, engine crankcase ventilation system and vehicle
CN110925060A (en) Urea solution supply system
CN209293881U (en) A kind of anti-crankcase icing device
CN108592677A (en) A kind of energy conservation and environmental protection heat exchanger for automobile
CN209369901U (en) A kind of novel crankcase bleed pipe anti-frozen structure
CN207212443U (en) Low form exhaust gas processing device
CN205300063U (en) Freeze -proof device for condenser
CN213684264U (en) Crankcase ventilation system structure integrating self-heating function
CN206346852U (en) A kind of air filter escape pipe for preventing crankcase bleed pipe ice stifled
CN211819747U (en) Air inlet connecting pipe
CN202718730U (en) Air permeable anti-blocking pipeline of crankcase of automobile engine
CN209027318U (en) The air-discharging microcirculqtory system of indirect air cooling radiator
CN207112207U (en) A kind of ventilation duct
CN215633211U (en) Oil pan of integrated oil and gas separator outlet duct
CN208187223U (en) A kind of energy conservation and environmental protection heat exchanger for automobile
CN209925049U (en) Crankcase ventilation pipe joint structure
CN212431423U (en) Water coil pipe structure of preventing frostbite
CN207230032U (en) A kind of dairy products outdoor anti-freezing pipeline
CN111927593A (en) Supercharger air inlet connecting pipe and engine
CN214366442U (en) Engine and EGR valve front condenser
CN216381554U (en) Air outlet heating pipe, respirator and engine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant