CN113482812A - Anti-icing device for air inlet main pipeline and vehicle - Google Patents

Anti-icing device for air inlet main pipeline and vehicle Download PDF

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Publication number
CN113482812A
CN113482812A CN202110736025.8A CN202110736025A CN113482812A CN 113482812 A CN113482812 A CN 113482812A CN 202110736025 A CN202110736025 A CN 202110736025A CN 113482812 A CN113482812 A CN 113482812A
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CN
China
Prior art keywords
crankcase ventilation
ventilation pipe
icing
shell
water
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Granted
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CN202110736025.8A
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Chinese (zh)
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CN113482812B (en
Inventor
孙坤
许文志
林可为
刘志同
严鑫映
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Dongfeng Motor Group Co Ltd
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Dongfeng Motor Group Co Ltd
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Priority to CN202110736025.8A priority Critical patent/CN113482812B/en
Publication of CN113482812A publication Critical patent/CN113482812A/en
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Publication of CN113482812B publication Critical patent/CN113482812B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/10242Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10268Heating, cooling or thermal insulating means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00Crankcase ventilating or breathing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00Crankcase ventilating or breathing
    • F01M2013/0038Layout of crankcase breathing systems
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

The invention relates to the technical field of automobile engines, in particular to an anti-icing device for an air inlet main pipeline and a vehicle. The anti-icing device for the air inlet main pipeline comprises a shell and a crankcase ventilation pipe joint, wherein the air inlet main pipeline penetrates through the shell, one end of the crankcase ventilation pipe joint used for being connected with a crankcase ventilation pipe is arranged in the shell, one end of the crankcase ventilation pipe joint is communicated with the air inlet main pipeline, and the other end of the crankcase ventilation pipe joint penetrates through the shell; the shell is also provided with a water inlet for introducing hot water and a water outlet for discharging water. According to the anti-icing device for the main air inlet pipeline, hot water can be introduced from the water inlet, so that the closed cavity is filled with the hot water, the crankcase ventilation pipe joint is immersed in the hot water, the crankcase ventilation pipe joint is prevented from icing, or the icing is effectively heated, and the blockage of the crankcase ventilation system caused by the icing is avoided.

Description

Anti-icing device for air inlet main pipeline and vehicle
Technical Field
The invention relates to the technical field of automobile engines, in particular to an anti-icing device for an air inlet main pipeline and a vehicle.
Background
For a positive crankcase ventilation system of a vehicle, gas in a combustion chamber can enter a crankcase from a clearance between a piston and a cylinder to form blow-by gas, so that the pressure in the crankcase is increased, and in order to balance the pressure in a crankcase, the gas in the crankcase needs to be introduced into a pre-compressed air inlet system and then enters an engine again for combustion. When the vehicle is operated in cold climates (typically-30 deg.c), the high temperature vapors from the crankcase can condense at the inlet to the compressed air system connection and encounter the low temperature air, causing icing and resulting crankcase ventilation system plugging. After the crank system is blocked, the pressure of a crankcase can be increased, and oil leakage of an oil seal can be caused, so that the normal work of an engine is influenced.
Disclosure of Invention
The application provides an anti-icing device of main pipe of admitting air and vehicle has solved among the prior art and has aroused crankcase pressure rising after the stifled, and the oil blanket oil impregnate, and then influences the technical problem of the normal work of engine.
On the one hand, this application provides an anti-icing device of main pipe of admitting air, anti-icing device is applicable to the anti-icing of main pipe of admitting air and crankcase ventilation pipe junction and handles, anti-icing device includes casing and crankcase ventilation pipe joint, wherein:
the air inlet main pipeline penetrates through the shell, one end of the crankcase ventilation pipe joint, which is used for being connected with the crankcase ventilation pipe, is arranged in the shell, one end of the crankcase ventilation pipe joint is communicated with the air inlet main pipeline, and the other end of the crankcase ventilation pipe joint penetrates through the shell;
the shell is also provided with a water inlet for introducing hot water and a water outlet for discharging water.
Further, the water outlet is arranged above the water inlet.
Further, the casing inboard with the interval is provided with first baffle and second baffle between the trunk line that admits air, first baffle the trunk line that admits air and the second baffle will the heating cavity and the noise elimination cavity are separated into to the casing inner chamber, the one end setting of crankcase ventilation pipe joint is in the heating cavity, the one end of water inlet and the one end of delivery port all with the heating cavity intercommunication.
Furthermore, a plurality of silencing holes are formed in the air inlet main pipeline, a silencing hole group is formed by the plurality of silencing holes, and the silencing hole group is arranged in the silencing cavity.
Further, the outside of the portion of the crankcase ventilation tube joint disposed in the heating cavity is covered with a metal layer.
Furthermore, the silencing hole group comprises three silencing hole groups arranged in an array mode, and each silencing hole group comprises three silencing holes.
Furthermore, the first partition plate and the second partition plate are both covered with heat insulation layers.
In another aspect, the present application provides a vehicle comprising a main intake duct anti-icing assembly as described above.
Further, the vehicle includes an engine cooling system, the water inlet and the water outlet of the housing are both in communication with a water inlet pipe of the engine cooling system.
Further, the vehicle includes air conditioner warm braw system, the casing the water inlet and the delivery port all with air conditioner warm braw system's inlet tube intercommunication.
The beneficial effect of this application is as follows:
the application provides a vehicle, which comprises an anti-icing device of a main air inlet pipeline, wherein the anti-icing device comprises an outer shell, and the main air inlet pipeline penetrates through the shell, namely a cavity is formed between the main air inlet pipeline and the inner side of the shell; because the shell is provided with the water inlet for introducing hot water and the water outlet for discharging water, the hot water can be introduced from the water inlet of the device, so that the cavity is filled with the hot water, and the hot water can be discharged from the water outlet; because the one end that is used for the crankcase ventilation coupling of being connected with the crankcase ventilation pipe sets up in the casing, the one end and the main pipeline intercommunication of admitting air of crankcase ventilation coupling, the other end of crankcase ventilation coupling passes the casing, therefore crankcase ventilation coupling submergence in the hot water, prevent that crankcase ventilation coupling department from freezing, or heat freezing effectively, avoided freezing the crankcase ventilation system that leads to and blockked up, guaranteed the normal work of engine.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a schematic structural diagram of an inlet main pipe anti-icing device provided in the embodiment;
FIG. 2 is a cross-sectional view of FIG. 1;
fig. 3 is a schematic diagram of the internal structure of the main intake duct anti-icing device provided in this embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The application provides a trunk line anti-icing equipment admits air, anti-icing equipment is applicable to the anti-icing of trunk line and crankcase ventilation pipe junction of admitting air and handles, fig. 1 is the trunk line anti-icing equipment's that admits air structure schematic diagram that this embodiment provided, fig. 2 is the section view of fig. 1, combine fig. 1 and fig. 2, the trunk line anti-icing equipment that admits air that this embodiment provided, including casing 3 and crankcase ventilation pipe joint 2, trunk line 1 that admits air passes casing 3, a crankcase ventilation pipe joint 2's that is used for being connected with the crankcase ventilation pipe one end sets up in casing 3, crankcase ventilation pipe joint 2's one end and the trunk line 1 intercommunication that admits air, casing 3 is passed to crankcase ventilation pipe joint 2's the other end, still be provided with on casing 3 and be used for introducing hydrothermal water inlet 5 and with the delivery port 6 of water discharge.
The anti-icing device of the air inlet main pipeline provided by the embodiment can be used for introducing hot water from the water inlet 5, so that the inner cavity of the shell is filled with the hot water, and the hot water circularly flows through the water outlet 6, so that the crankcase ventilation pipe joint 2 is immersed in the hot water, the icing at the position of the crankcase ventilation pipe joint 2 is prevented, or the icing is effectively heated, the blockage of a crankcase ventilation system caused by the icing is avoided, and the normal work of an engine is ensured.
With reference to fig. 1 and 2, the water outlet 6 is disposed above the water inlet 5 in this embodiment, so that the whole sealed cavity can be filled with hot water, thereby ensuring the heating effect of the crankcase ventilation pipe joint 2.
For a supercharged vehicle, a supercharger running at a high speed can bring high-frequency noise, sound can be transmitted into the vehicle through radiation or an air inlet, the experience of a user is influenced, therefore, a high-frequency silencer needs to be added in the intake pipeline, fig. 3 is a schematic diagram of the internal structure of the anti-icing device for the intake main pipeline 1 provided in this embodiment, and referring to fig. 3, in this embodiment, a first partition plate 71 and a second partition plate 72 are further arranged between the inner side of the housing 3 and the intake main pipeline 1 at intervals, the first partition plate 71, the intake main pipeline 1 and the second partition plate 72 divide the inner cavity of the housing into a heating cavity 81 and a silencing cavity 82, one end of the crankcase ventilation pipe joint 2 is arranged in the heating cavity 81, the water inlet 5 and the water outlet 6 are both communicated with the heating cavity 81, a plurality of silencing holes are formed in the main air inlet pipeline 1, a silencing hole group 9 is formed by the plurality of silencing holes, and the silencing hole group 9 is arranged in the silencing cavity 82. In this way, high-frequency noise can enter the silencing cavity 82 through the silencing holes 9 to achieve the silencing effect.
Further, in the present embodiment, the outer side of the portion of the crankcase ventilation pipe joint 2 disposed in the heating chamber 81 is covered with a metal layer to improve the heat transfer efficiency, so as to improve the heating effect of the hot water on the crankcase ventilation pipe joint 2, and preferably, the outer side of the portion of the crankcase ventilation pipe joint 2 disposed in the heating chamber 81 in the present embodiment may be covered with a copper layer.
Further, in this embodiment, the first partition plate 71 and the second partition plate 72 are covered with heat insulating layers, and specifically, the heat insulating layers may be ethylene propylene diene monomer rubber plates.
Further, in this embodiment, the muffling hole group 9 includes three muffling hole groups arranged in an array, and each muffling hole group includes three muffling holes, so that high-frequency noise can be effectively muffled.
Example 2
The present embodiment provides a vehicle including the intake main pipe anti-icing apparatus of embodiment 1. Because the device comprises a shell 3 and the main air inlet pipe 1 penetrates through the shell 3, namely a cavity is formed between the main air inlet pipe 1 and the inner side of the shell 3; since the housing 3 is provided with the water inlet 5 for introducing hot water and the water outlet 6 for discharging water, hot water can be introduced from the water inlet 5 of the device, so that the cavity is filled with hot water, and the hot water can be discharged from the water outlet 6; because the one end setting that is used for crankcase ventilation coupling 2 with crankcase ventilation pipe is in casing 3, the one end and the main pipeline of admitting air 1 intercommunication of crankcase ventilation coupling 2, the other end of crankcase ventilation coupling 2 passes casing 3, therefore crankcase ventilation coupling 2 submergence in the hot water prevents that crankcase ventilation coupling 2 department from freezing, or heats freezing effectively, has avoided freezing the crankcase ventilation system that leads to and has blockked up, has guaranteed the normal work of engine.
Further, the vehicle of this embodiment includes engine cooling system, because the engine cooling system of car itself can produce useless hot water, therefore, the water inlet 5 and the delivery port 6 of casing 3 in this embodiment all can be with the inlet tube intercommunication of engine cooling system, make the flow of hot water in casing 3 inner chamber form a return circuit, namely heat crankcase ventilation pipe joint 2 through the useless hot water that the vehicle produced by oneself, waste water utilization can effectively practice thrift the energy.
Further, the vehicle of this embodiment further includes an air-conditioning heating system, and the engine cooling system also generates waste hot water, so the water inlet 5 and the water outlet 6 of the housing 3 can be further communicated with the water inlet pipe of the air-conditioning heating system.
Through the above embodiment, the present application has the following beneficial effects or advantages:
1. the position that main air inlet pipe 1 and crankcase ventilation pipe joint 2 communicate sets up casing 3 to through pouring into hot water into in 3 inner chambers of casing, adopt the form of water heating to prevent that crankcase ventilation system from freezing, simple structure need not complicated devices such as electric heater, sensor, and is not fragile, and the reliability is high.
2. The hot water source is the waste hot water generated by an engine cooling system or an air-conditioning warm air system of the automobile, no new heat source is added, the waste hot water is skillfully utilized, and the energy is saved.
3. The inner cavity of the shell 3 is divided into the heating cavity 81 and the silencing cavity 82 by adding the first partition plate 71 and the second partition plate 72 in the closed cavity, so that hot water in the heating cavity 81 heats the crankcase ventilation pipe joint 2, and the silencing cavity 82 silences high-frequency noise, namely, two functions of anti-icing and high-frequency silencing are highly integrated, and the arrangement space of the whole automobile is saved.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. The utility model provides an anti-icing device of trunk line admits air which characterized in that, anti-icing device is applicable to the anti-icing of trunk line of admitting air and crankcase ventilation pipe junction and handles, anti-icing device includes casing and crankcase ventilation pipe joint, wherein:
the air inlet main pipeline penetrates through the shell, one end of the crankcase ventilation pipe joint, which is used for being connected with the crankcase ventilation pipe, is arranged in the shell, one end of the crankcase ventilation pipe joint is communicated with the air inlet main pipeline, and the other end of the crankcase ventilation pipe joint penetrates through the shell;
the shell is also provided with a water inlet for introducing hot water and a water outlet for discharging water.
2. An inlet main pipe anti-icing apparatus as claimed in claim 1, wherein said water outlet is disposed above said water inlet.
3. The anti-icing device for the main air inlet pipe as claimed in claim 1, wherein a first partition plate and a second partition plate are arranged between the inner side of the shell and the main air inlet pipe at intervals, the first partition plate, the main air inlet pipe and the second partition plate divide the inner cavity of the shell into a heating cavity and a silencing cavity, one end of the joint of the crankcase ventilation pipe is arranged in the heating cavity, and one end of the water inlet and one end of the water outlet are both communicated with the heating cavity.
4. The anti-icing device for the main intake pipe as claimed in claim 3, wherein a plurality of silencing holes are formed in the main intake pipe, and form a silencing hole group, and the silencing hole group is arranged in the silencing cavity.
5. An inlet main pipe ice protection device according to claim 3, wherein the outside of the portion of the crankcase ventilation pipe joint disposed in the heating chamber is covered with a metal layer.
6. The main intake duct anti-icing device as claimed in claim 4, wherein the silencing hole group comprises three silencing hole groups arranged in an array, and each silencing hole group comprises three silencing holes.
7. The anti-icing device for the main intake duct according to claim 3, wherein the first partition and the second partition are covered with an insulating layer.
8. A vehicle characterised in that the vehicle includes a main intake air duct anti-icing arrangement as claimed in any one of claims 1 to 7.
9. The vehicle of claim 8, including an engine cooling system, wherein the water inlet and the water outlet of the housing are in communication with a water inlet conduit of the engine cooling system.
10. The vehicle of claim 8, wherein the vehicle includes an air conditioning heater system, and wherein the water inlet and the water outlet of the housing are each in communication with a water inlet conduit of the air conditioning heater system.
CN202110736025.8A 2021-06-30 2021-06-30 Anti-icing device for air inlet main pipeline and vehicle Active CN113482812B (en)

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CN202110736025.8A CN113482812B (en) 2021-06-30 2021-06-30 Anti-icing device for air inlet main pipeline and vehicle

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Application Number Priority Date Filing Date Title
CN202110736025.8A CN113482812B (en) 2021-06-30 2021-06-30 Anti-icing device for air inlet main pipeline and vehicle

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CN113482812B CN113482812B (en) 2022-11-01

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Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020108809A1 (en) * 2001-02-14 2002-08-15 Tatsuya Kuroda Engine intake silencer
CN101153571A (en) * 2006-09-30 2008-04-02 奇瑞汽车有限公司 Air-intake heating mechanism of engine
CN102257256A (en) * 2009-02-11 2011-11-23 康明斯过滤Ip公司 Engine air management system
CN102628385A (en) * 2011-02-03 2012-08-08 通用汽车环球科技运作有限责任公司 Crankcase ventilation device for a motor vehicle
JP2014031753A (en) * 2012-08-02 2014-02-20 Toyota Motor Corp Intake system structure of internal combustion engine
CN104061094A (en) * 2013-03-18 2014-09-24 上汽通用五菱汽车股份有限公司 Low-noise air inlet device of engine
CN105612318A (en) * 2013-07-31 2016-05-25 日产自动车株式会社 Blow-by gas treatment device for internal combustion engine
CN206035684U (en) * 2016-08-31 2017-03-22 昆山市易泰汽车科技有限公司 Engine respiratory tube anti -freezing device
CN207004694U (en) * 2017-06-27 2018-02-13 安徽江淮汽车集团股份有限公司 High frequency muffler
CN207194993U (en) * 2017-06-23 2018-04-06 上海汽车集团股份有限公司 The multi-functional resonator of gas handling system
CN108506128A (en) * 2017-02-28 2018-09-07 长城汽车股份有限公司 Intake muffler and vehicle with it
CN110145383A (en) * 2019-05-09 2019-08-20 重庆长安汽车股份有限公司 A kind of engine with supercharger crankcase ventilation system with heating and heat-insulating device
CN209875335U (en) * 2019-04-10 2019-12-31 东风汽车集团有限公司 Integrated air intake system silencer
CN113638788A (en) * 2021-08-27 2021-11-12 安徽江淮汽车集团股份有限公司 Anti-blocking air filtering rear pipeline

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020108809A1 (en) * 2001-02-14 2002-08-15 Tatsuya Kuroda Engine intake silencer
CN101153571A (en) * 2006-09-30 2008-04-02 奇瑞汽车有限公司 Air-intake heating mechanism of engine
CN102257256A (en) * 2009-02-11 2011-11-23 康明斯过滤Ip公司 Engine air management system
CN102628385A (en) * 2011-02-03 2012-08-08 通用汽车环球科技运作有限责任公司 Crankcase ventilation device for a motor vehicle
JP2014031753A (en) * 2012-08-02 2014-02-20 Toyota Motor Corp Intake system structure of internal combustion engine
CN104061094A (en) * 2013-03-18 2014-09-24 上汽通用五菱汽车股份有限公司 Low-noise air inlet device of engine
CN105612318A (en) * 2013-07-31 2016-05-25 日产自动车株式会社 Blow-by gas treatment device for internal combustion engine
CN206035684U (en) * 2016-08-31 2017-03-22 昆山市易泰汽车科技有限公司 Engine respiratory tube anti -freezing device
CN108506128A (en) * 2017-02-28 2018-09-07 长城汽车股份有限公司 Intake muffler and vehicle with it
CN207194993U (en) * 2017-06-23 2018-04-06 上海汽车集团股份有限公司 The multi-functional resonator of gas handling system
CN207004694U (en) * 2017-06-27 2018-02-13 安徽江淮汽车集团股份有限公司 High frequency muffler
CN209875335U (en) * 2019-04-10 2019-12-31 东风汽车集团有限公司 Integrated air intake system silencer
CN110145383A (en) * 2019-05-09 2019-08-20 重庆长安汽车股份有限公司 A kind of engine with supercharger crankcase ventilation system with heating and heat-insulating device
CN113638788A (en) * 2021-08-27 2021-11-12 安徽江淮汽车集团股份有限公司 Anti-blocking air filtering rear pipeline

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