CN210105944U - Prevent frozen with core pipe heating device of crankcase ventilation system - Google Patents
Prevent frozen with core pipe heating device of crankcase ventilation system Download PDFInfo
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- CN210105944U CN210105944U CN201920487039.9U CN201920487039U CN210105944U CN 210105944 U CN210105944 U CN 210105944U CN 201920487039 U CN201920487039 U CN 201920487039U CN 210105944 U CN210105944 U CN 210105944U
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- pipe
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- crankcase ventilation
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model discloses a prevent that crankcase ventilation system freezes with same core pipe heating device, including same core pipe, feed liquor pipe, drain pipe, inlet pipe interface, crankcase ventilation pipe and engine booster coolant outlet pipe, the utility model discloses in connecting in series the same core pipe to engine booster coolant outlet pipe through feed liquor pipe, drain pipe, the drain pipe is continuous with same core pipe liquid outlet connection end, the opposite side is connected to engine booster coolant same outlet pipe way, constitute the coolant liquid and flow along ring channel liquid route, crankcase ventilation gas passes through crankcase ventilation pipe, the inside intake pipe that flows to of same core pipe, finally flow into turbo charger, the device utilizes the high temperature characteristic and the high specific heat capacity heat preservation characteristic of engine coolant liquid, make coolant liquid and crankcase ventilation gas form the heat convection in same core pipe, promote crankcase ventilation gas temperature, effectively preventing the formation of water drops and ice blocks in the air inlet pipe interface and the air inlet pipe.
Description
Technical Field
The utility model relates to an automobile parts technical field, in particular to prevent that crankcase ventilation system freezes with core pipe heating device.
Background
At present, the passenger car of carrying on turbocharged engine traveles the back in the severe cold environment, long-time parking under low temperature environment, the water vapor in the steam in the crankcase ventilation pipe can be in the lower department of intake pipe interface temperature before the turbocharger entry separates out the water droplet, partly water droplet is the cold condensation of intake pipe interface, another part water droplet can drip into in the intake pipe, under the continuous effect of low temperature environment, form the ice-cube, when restarting the engine, the ice-cube can be blown into in the turbocharger by the large-traffic air in the intake pipe, hit high-speed rotatory turbocharger blade and cause the blade to warp, thereby influence turbocharger's life, and cause the interior bad noise of whistling of car.
Disclosure of Invention
The utility model aims at solving the problems and providing a concentric tube heating device for preventing the crankcase ventilation system from freezing.
A concentric tube heating device for preventing a crankcase ventilation system from being frozen comprises a concentric tube, a liquid inlet tube, a liquid outlet tube, an air inlet tube interface, a crankcase ventilation tube and an engine supercharger cooling liquid outlet tube, wherein one end of the liquid inlet tube and one end of the liquid outlet tube are respectively connected with the engine supercharger cooling liquid outlet tube, one end of the liquid inlet tube and the other end of the liquid outlet tube are respectively connected with the concentric tube and are connected in series to form a cooling liquid circulation passage, and one end of the crankcase ventilation tube and one end of the air inlet tube interface are respectively connected with the concentric tube;
the concentric tube comprises a sleeve, an inner tube, heat exchange fins, a liquid inlet connecting end and a liquid outlet connecting end, the sleeve is sleeved outside the inner tube and is concentrically connected through the heat exchange fins, the liquid inlet connecting end and the liquid outlet connecting end are arranged on the sleeve, the inner part of the sleeve is communicated with the inner part of the sleeve, the other end of the sleeve is respectively connected with the liquid inlet tube and the liquid outlet tube, one end of the inner tube is connected with a crankcase ventilation tube, and the other end of the inner tube;
an annular groove liquid passage is arranged between the sleeve and the inner pipe;
the inner tube is provided with an inner tube gas passage inside.
Furthermore, the number of the heat exchange fins is at least 1, the structure of the heat exchange fins can be designed and optimized according to actual needs, and the heat exchange amount of the heat exchange fins is adjusted, so that the actual requirement of the temperature of the ventilation gas of the crankcase at the interface of the air inlet pipe is met.
Furthermore, the inner pipe and the air inlet pipe interface are directly inserted in an interference fit mode and are connected in an assembling mode of fastening by a clamping hoop.
Furthermore, the liquid inlet connecting end and the liquid outlet connecting end are connected with the sleeve in a welding process mode.
Furthermore, the liquid inlet pipe and the liquid outlet pipe are respectively connected with the liquid inlet connecting end, the liquid outlet connecting end and the cooling liquid outlet pipe of the engine supercharger by adopting a clamping hoop or quick connector assembling mode.
Furthermore, the crankcase ventilation pipe and the inner pipe are connected in a clamping hoop or quick-plug assembling mode.
The working process of the invention is as follows:
the utility model discloses to pass through the feed liquor pipe with the core pipe, the drain pipe is established ties to engine booster coolant liquid outlet pipe in, the feed liquor pipe links to each other with engine booster coolant liquid outlet pipe promptly, the opposite side is connected to with core pipe feed liquor link, the drain pipe links to each other with core pipe liquid outlet link, the opposite side is connected to the same outlet pipe way of engine booster coolant liquid, it flows along ring channel liquid route to constitute the coolant liquid, crankcase ventilation gas passes through crankcase ventilation pipeline, through with the inside flow direction intake pipe of core pipe, finally flow into turbo charger in, the device utilizes the high temperature characteristic and the high specific heat capacity heat preservation characteristic of engine coolant liquid, make coolant liquid and crankcase ventilation gas form the heat convection in with the core pipe, promote crankcase ventilation gas temperature, effectively prevent the water droplet in inlet pipe interface and the inlet pipe, the formation of ice-.
The utility model has the advantages that:
1. the utility model discloses can promote crankcase ventilation gas temperature, can effectively prevent that the freezing problem of crankcase ventilation system of vehicle under the severe cold environment from taking place.
2. The utility model discloses being interference with core pipe and air inlet pipe interface and directly inserting connected mode, the assembly is convenient, can effectively prevent to take place because of freezing the problem that causes the turbo charger blade to warp in air inlet pipe interface and the air inlet pipe.
3. The utility model discloses can regard as the frozen problem of severe cold environment crankcase ventilation system to sell the maintenance of trouble vehicle and reform system the scheme, reduce the after-sales cost of maintenance.
Drawings
Fig. 1 is a schematic exploded perspective view of the present invention.
FIG. 2 is a schematic view of a concentric tube of the present invention.
FIG. 3 is a cross-sectional view of a concentric tube of the present invention.
Fig. 4 is an assembled sectional view of the concentric tube and air inlet tube interface of the present invention.
Detailed Description
Referring to fig. 1 to 4, a concentric tube heating device for preventing a crankcase ventilation system from being frozen comprises a concentric tube 1, a liquid inlet tube 2, a liquid outlet tube 3, an air inlet tube interface 4, a crankcase ventilation tube 5 and an engine supercharger coolant outlet tube 6, wherein one end of the liquid inlet tube 2 and one end of the liquid outlet tube 3 are respectively connected with the engine supercharger coolant outlet tube 6, one end of the liquid inlet tube 2 and the other end of the liquid outlet tube 3 are respectively connected with the concentric tube 1, and are connected in series to form a coolant circulation passage, and one end of the crankcase ventilation tube 5 and one end of the air inlet tube interface 4 are respectively connected with the concentric tube 1;
the concentric tube 1 comprises a sleeve 10, an inner tube 11, heat exchange fins 12, a liquid inlet connecting end 14 and a liquid outlet connecting end 15, the sleeve 10 is sleeved outside the inner tube 11 and concentrically connected through the heat exchange fins 12, the liquid inlet connecting end 14 and the liquid outlet connecting end 15 are arranged on the sleeve 10, the inner part of the sleeve is communicated with the inner part of the sleeve 10, the other end of the sleeve is respectively connected with a liquid inlet tube 2 and a liquid outlet tube 3, one end of the inner tube 11 is connected with a crankcase ventilation tube 5, and the other end of the inner tube;
an annular groove liquid passage 16 is arranged between the sleeve 10 and the inner pipe 11;
the inner tube 11 is provided with an inner tube gas passage 17 inside.
Furthermore, the number of the heat exchange fins 12 is at least 1, the structure of the heat exchange fins 12 can be designed and optimized according to actual needs, and the heat exchange fins 12 are used for adjusting the heat exchange amount, so that the actual requirement of the temperature of the crankcase ventilation gas at the air inlet pipe connector 4 is met.
Furthermore, the inner tube 11 and the air inlet tube connector 4 are directly inserted in an interference fit manner and are connected in a clamping and fastening manner.
Furthermore, the liquid inlet connection end 14 and the liquid outlet connection end 15 are connected with the casing 10 by welding process.
Furthermore, the liquid inlet pipe 2 and the liquid outlet pipe 3 are respectively connected with the liquid inlet connecting end 14, the liquid outlet connecting end 15 and the engine supercharger cooling liquid outlet pipe 6 by adopting a clamping hoop or quick connector assembling mode.
Furthermore, the crankcase ventilation duct 5 is connected to the inner duct 11 by means of a clip or quick-connect fitting.
The utility model discloses a theory of operation and working process:
referring to fig. 1 to 4, the coolant flows out of the coolant outlet pipe 6 of the engine supercharger, passes through the liquid inlet pipe 2 and the liquid inlet connecting end 14, then flows through the annular groove liquid passage 16 of the sleeve 10, enters the liquid outlet connecting end 15, and returns to the coolant outlet pipe 6 of the engine supercharger through the liquid outlet pipe 3, so as to form a coolant circulation flow passage, and the heat exchange fins 12 play a role in adjusting the heat exchange amount during the flowing process of the coolant.
After flowing out from the outlet of the oil-gas separator of the engine, the crankcase ventilation gas enters the inner pipe gas passage 17 through the crankcase ventilation pipe 5, finally flows out from the air inlet pipe connector 4 and enters the air inlet pipe, and enters the turbocharger along with the air in the pipe.
The cooling liquid and the crankcase ventilation gas carry out heat convection in the sleeve 10 of the same core tube 1, the cooling liquid with higher temperature transmits heat to the crankcase ventilation gas with lower temperature, the temperature of the crankcase ventilation gas is improved, the inner tube 11 and the air inlet tube connector 4 are assembled in an interference direct insertion mode, the crankcase ventilation gas at the position is in contact with the inner wall of the inner tube gas passage 17 of the inner tube 11, the temperature of the inner wall of the inner tube gas passage 17 is higher than that of the crankcase ventilation gas, the phenomenon that water drops are separated out when water vapor in the gas meets the cold cannot occur, and the icing problem cannot occur.
When the vehicle runs, the cooling liquid electronic pump starts to work and provides power for the circulation of the cooling liquid, and the utility model continuously heats the ventilation gas of the crankcase; after the vehicle is stopped and flamed out, the cooling liquid electronic pump can still continuously work for a period of time under the control of the ECU of the whole vehicle until the temperature of the turbocharger reaches an acceptable state, namely, under the shutdown and flameout state, the cooling liquid can still flow through the concentric tube 1 of the utility model, and heats the ventilation gas of the crankcase in the tube, when the cooling liquid electronic pump stops working, because the annular groove liquid passage 16 of the concentric tube 1 is filled with the cooling liquid, the cooling liquid has larger specific heat capacity and better heat preservation performance, under the condition of long-time parking in a high and cold low-temperature environment, the temperature of the crankshaft ventilation gas at the air inlet pipe connector 4 is slowly reduced along with the temperature of cooling liquid in the sleeve 10, the temperature of the crankshaft ventilation gas is finally balanced with the ambient temperature, the temperature of the inner wall of the inner pipe gas passage 17 is always higher than the dew point temperature of water vapor, no water drops are separated out at the air inlet pipe connector 4, and the phenomenon of icing in the pipe cannot occur.
Claims (6)
1. The utility model provides a prevent frozen with core pipe heating device of crankcase ventilation system which characterized in that: the cooling system comprises a concentric tube (1), a liquid inlet tube (2), a liquid outlet tube (3), an air inlet tube interface (4), a crankcase ventilation tube (5) and an engine supercharger cooling liquid outlet tube (6), wherein one end of the liquid inlet tube (2) and one end of the liquid outlet tube (3) are respectively connected with the engine supercharger cooling liquid outlet tube (6), one end of the liquid inlet tube (2) and the other end of the liquid outlet tube (3) are respectively connected with the concentric tube (1) and are connected in series to form a cooling liquid circulation passage, and one end of the crankcase ventilation tube (5) and one end of the air inlet tube interface (4) are respectively connected with the concentric tube (1);
the concentric tube (1) comprises a sleeve (10), an inner tube (11), heat exchange fins (12), a liquid inlet connecting end (14) and a liquid outlet connecting end (15), the sleeve (10) is sleeved outside the inner tube (11) and concentrically connected through the heat exchange fins (12), the liquid inlet connecting end (14) and the liquid outlet connecting end (15) are arranged on the sleeve (10) and communicated with the inside of the sleeve (10), the other ends of the sleeve are respectively connected with the liquid inlet tube (2) and the liquid outlet tube (3), one end of the inner tube (11) is connected with a crankcase ventilation tube (5), and the other end of the inner tube is connected with an air inlet tube interface (4);
an annular groove liquid passage (16) is arranged between the sleeve (10) and the inner pipe (11);
an inner tube gas passage (17) is arranged in the inner tube (11).
2. The apparatus of claim 1, wherein the heater comprises: the number of the heat exchange fins (12) is at least 1, and the heat exchange fins (12) are used for adjusting the heat exchange amount, so that the actual requirement of the temperature of the ventilation gas of the crankcase at the air inlet pipe connector (4) is met.
3. The apparatus of claim 1, wherein the heater comprises: the inner pipe (11) and the air inlet pipe connector (4) are directly inserted in an interference fit mode and are connected in an assembling mode of fastening by using a clamping hoop.
4. The apparatus of claim 1, wherein the heater comprises: the liquid inlet connecting end (14) and the liquid outlet connecting end (15) are connected with the sleeve (10) in a welding process mode.
5. The apparatus of claim 1, wherein the heater comprises: the liquid inlet pipe (2) and the liquid outlet pipe (3) are respectively connected with the liquid inlet connecting end (14), the liquid outlet connecting end (15) and the cooling liquid outlet pipe (6) of the engine supercharger in a clamping or quick connector assembling mode.
6. The apparatus of claim 1, wherein the heater comprises: the crankcase ventilation pipe (5) is connected with the inner pipe (11) in a clamping hoop or quick-plug connector assembly mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920487039.9U CN210105944U (en) | 2019-04-11 | 2019-04-11 | Prevent frozen with core pipe heating device of crankcase ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920487039.9U CN210105944U (en) | 2019-04-11 | 2019-04-11 | Prevent frozen with core pipe heating device of crankcase ventilation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210105944U true CN210105944U (en) | 2020-02-21 |
Family
ID=69535398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920487039.9U Active CN210105944U (en) | 2019-04-11 | 2019-04-11 | Prevent frozen with core pipe heating device of crankcase ventilation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210105944U (en) |
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2019
- 2019-04-11 CN CN201920487039.9U patent/CN210105944U/en active Active
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Effective date of registration: 20200312 Address after: 130000 No. 4888 Weishan Road, Changchun High-tech Zone, Jilin Province Patentee after: FAW Pentium Car Co., Ltd Address before: 130000 No. 4888 Weishan Road, Changchun High-tech Zone, Jilin Province Patentee before: FAW CAR Co., Ltd. |