Air pipeline and crankshaft pipeline combined low-temperature air distribution assembly and method

Abstract

The invention relates to an air pipeline and crankshaft pipeline combined low-temperature air distribution assembly and method, and relates to the technical field of engine air inlet systems. The crankcase ventilation device comprises an air pipe, a crankcase ventilation pipe and an air inlet pipe, the crankcase ventilation pipe is communicated with an annular pipe, the air pipe is located in the annular pipe, one end of the air pipe penetrates out of the annular pipe, the other end of the air pipe is communicated with the annular pipe, and the air inlet pipe is communicated with the annular pipe. The engine has the effect that when hot air in the crankcase and cold air in the air pipe converge, frost cannot be generated, and air inlet of the engine cannot be affected.

Description

Technical Field

[0001] The present application relates to the field of engine air intake systems, and more particularly to a low-temperature air distribution assembly and method for combining an air duct with a crankshaft duct. Background Art

[0002] In cold winter weather, when a car is driving at high speed, the engine's air intake increases, and the cold air in the intake pipe moves at high speed. The mixed water vapor can easily condense into ice with the small amount of hot air in the ventilation system, blocking the tiny intake pipe and seriously affecting the normal operation of the engine. Therefore, this needs to be improved. Summary of the invention

[0003] In order to improve the problem of frost generated by the intersection of cold and hot air and affecting the engine air intake, the present application provides a low-temperature air distribution component and method for combining an air duct with a crankshaft duct.

[0004] The present application provides a low-temperature air distribution assembly of an air duct combined with a crankshaft duct, which adopts the following technical solution: A low-temperature air distribution assembly of an air duct combined with a crankshaft duct comprises an air duct, a crankcase ventilation duct and an intake duct, wherein the crankcase ventilation duct is connected to a ring duct, the air duct is located in the ring duct, one end of the air duct passes through the ring duct, and the other end is connected to the ring duct, and the intake duct is connected to the ring duct.

[0005] By adopting the above technical solution, when the car starts, the hot air in the crankcase enters the annular pipe through the crankcase ventilation pipe, and the air with lower temperature enters the air pipe. At this time, in the annular pipe, the hot air wraps the air pipe, thereby transferring the high temperature to the air pipe, and then the air pipe transfers the heat to the cold air inside the air pipe, thereby heating the cold air and reducing the temperature of the hot air.

[0006] After the air flows through the entire air pipe, it flows out from the end of the air pipe located in the ring pipe and stays in the ring pipe. The air temperature at this time is relatively high, and then it comes into contact with the hot air in the ring pipe. The temperature difference between the air and the hot air will not be too large to produce frost, so that the air and hot air will eventually mix and enter the engine from the intake pipe without blocking the intake pipe.

[0007] Optionally, a baffle and a filter plate are provided in the annular tube, and the baffle and the filter plate divide the annular tube into an upper arc tube and a lower arc tube. The crankcase ventilation pipe is connected to the lower arc tube, and the air pipe is located in the lower arc tube. One end of the air pipe passes through the filter plate, and the intake pipe is connected to the upper arc tube.

[0008] By adopting the above technical solution, when the hot gas in the crankcase enters the annular tube through the crankcase ventilation pipe, the hot gas flows in the lower arc tube to heat the air pipe in the lower arc tube, and then passes through the filter plate to reach the upper arc tube. The hot gas is mixed with many impurities, and the filter plate plays a filtering role, so that the impurities in the hot gas are not easy to enter the upper arc tube and enter the intake pipe, so that the intake pipe is not easy to be blocked. The baffle plays a blocking role, so that the hot gas entering the annular tube must be filtered by the filter plate before reaching the upper arc tube, thereby ensuring that the gas entering the intake pipe is relatively clean.

[0009] Optionally, the annular tube is vertically arranged, the bottom end of the lower arc tube is connected to a water outlet pipe, a sleeve is provided on the water outlet pipe, and the inner wall of the sleeve is threadedly connected to the outer wall of the water outlet pipe.

[0010] By adopting the above technical solution, when the hot air in the lower arc tube heats the air tube, the water vapor in the hot air encounters the low-temperature surface of the air tube and condenses into liquid water. The water drips from the surface of the air tube into the annular tube, and the water flows along the annular tube to the lowest end of the annular tube, thereby entering the water outlet pipe. When a large amount of condensed water accumulates in the annular tube, when the car is stopped, the sleeve is screwed to move the sleeve away from the annular tube until the sleeve is removed from the water outlet pipe. At this time, the water outlet pipe is in an open state, so that the condensed water in the annular tube can be discharged through the water outlet pipe.

[0011] Optionally, a water spray assembly is provided in the envelope, and the water spray assembly includes a storage cylinder, a piston and a water outlet block. The storage cylinder is fixed on the bottom wall of the envelope, and the storage cylinder can be inserted in the water outlet pipe. The storage cylinder is arranged along the length direction of the water outlet pipe, and a plurality of water inlet holes are penetrated on the side wall of the storage cylinder. The piston is located in the storage cylinder and can move in the storage cylinder along the length direction of the storage cylinder. The piston is driven by a cylinder provided on the envelope, and the water outlet block is located at one end of the storage cylinder close to the annular tube, and a plurality of water outlet holes are penetrated on the water outlet block, one end of the water outlet hole is connected with the storage cylinder, and the other end is connected with the annular tube.

[0012] By adopting the above technical solution, in the initial state, the piston is located at the bottom of the storage cylinder. When the condensed water in the annular tube enters the water outlet pipe, the condensed water flows into the storage cylinder through the water inlet hole. The condensed water is located above the piston. Then the cylinder is started to drive the piston to move upward, thereby squeezing the condensed water in the storage cylinder. When the condensed water moves under pressure, some of the condensed water will flow out of the storage cylinder through the water inlet hole. Because the aperture of the water inlet hole is smaller than the diameter of the storage cylinder, the rate at which the condensed water flows out of the storage cylinder through the water inlet hole is slower, so that most of the condensed water in the storage cylinder moves upward to the water outlet block and is sprayed out from the water outlet hole to achieve spraying in the lower arc tube. At this time, the water can absorb impurities in the hot air in the lower arc tube, so that the weight of the impurities increases and falls automatically, thereby achieving the effect of cleaning the hot air.

[0013] Optionally, a rotating assembly is provided on the storage cylinder, the rotating assembly is connected to the water outlet block, and the rotating assembly is used to drive the water outlet block to rotate around the central axis of the storage cylinder.

[0014] By adopting the above technical solution, when the piston moves upward, the condensed water in the storage cylinder is squeezed to the water outlet block and sprayed out from the water outlet hole. At the same time, the piston will abut against the rotating component and drive the rotating component to move, thereby driving the water outlet block to rotate, so that the water flowing out of the water outlet hole generates centrifugal force, that is, the water is sprayed in a direction away from the central axis of the water outlet block, thereby expanding the spray range and improving the cleaning accuracy of impurities in the hot air.

[0015] Optionally, the rotating assembly includes a driving block and a gravity rod, the driving block is slidably connected to the side wall of the storage cylinder, the gravity rod is fixed to the driving block, the gravity rod is used to drive the driving block to move downward, the piston can abut against the gravity rod and drive the driving block to move in the length direction of the storage cylinder, a rotating groove is opened on the circumferential side wall of the water outlet block, the driving block is inserted in the rotating groove and can move in the rotating groove to drive the water outlet block to rotate.

[0016] By adopting the above technical solution, in the initial state, the gravity rod applies a downward pulling force to the driving block under the action of gravity, so that the driving block is located at the bottom of the rotating groove. When the piston moves upward and the condensed water in the storage cylinder is sprayed out from the water outlet, the piston will abut against the gravity rod and push the gravity rod upward, so that the driving block moves in the vertical direction, and the side wall of the driving block abuts against the inner wall of the rotating groove and applies a thrust to the inner wall of the rotating groove, so that the driving block moves relatively in the rotating groove, thereby realizing the rotation of the water outlet block.

[0017] Optionally, the baffle and the filter plate are connected via an arc plate, the arc plate is pressed against the inner wall of the annular tube, a movable groove is penetrated through the side wall of the lower arc tube, the arc plate blocks the movable groove, a movable block is fixed on the side wall of the arc plate, the movable block is inserted in the movable groove, and can move in the movable groove.

[0018] By adopting the above technical scheme, most of the hot air containing impurities circulates in the lower arc tube, so that more impurities remain in the lower arc tube. When the car stops, the moving block can be driven to move in the moving groove, so that the arc plate moves along the circumferential direction of the annular tube, thereby driving the filter plate and the baffle to move. During the movement of the filter plate, the circumferential side wall of the filter plate slides on the inner wall of the annular tube, thereby scraping off the impurities attached to the inner wall of the lower arc tube. At the same time, the middle part of the filter plate also slides on the side wall of the air pipe to clean the outer wall of the air pipe. Finally, the impurities scraped off by the filter plate are discharged through the outlet pipe to clean the lower arc tube.

[0019] Optionally, a protrusion is provided on the side wall of the upper arc tube, and the protrusion is hollow inside and communicated with the upper arc tube.

[0020] By adopting the above technical solution, when the arc plate moves, the filter plate moves toward the lower arc tube while the baffle moves to the upper arc tube. When the baffle moves to the protrusion, the baffle cannot abut against the inner wall of the protrusion, so that there is a gap between the baffle and the inner wall of the protrusion, so that the gas in the lower arc tube can enter the upper arc tube through the gap, so that the hot gas flowing into the annular tube from the crankcase ventilation pipe can enter the upper arc tube and the lower arc tube at the same time, thereby increasing the amount of gas introduced into the intake pipe per unit time.

[0021] When the hot air passes into the annular tube, the weight of the impurities makes it difficult for the impurities to move upwards, so that there are fewer impurities in the hot air entering the upper annular tube. At the same time, the gap between the baffle and the protrusion is small, which can limit the impurities and make it difficult for the impurities to enter the upper arc tube, thereby making the intake pipe less likely to be blocked.

[0022] Optionally, an expansion block is provided on the outer wall of the annular tube, wherein one end of the expansion block is connected to the annular tube, and the other end is connected to the moving block. When the expansion block contracts, it is used to drive the moving block to move the baffle to the protrusion.

[0023] By adopting the above technical solution, in the initial state, the expansion block is in a contracted state, so that the moving block is close to the crankcase ventilation pipe. At this time, the baffle is located at the convex block, that is, the upper arc tube and the lower arc tube are connected through the gap between the baffle and the inner wall of the convex block. When the car is just started, the vehicle needs to be preheated, and the crankcase ventilation pipe passes the hot air into the annular tube. At this time, the hot air can be dispersed into the upper arc tube and the lower arc tube, that is, fill the entire annular tube, and enter the intake pipe, thereby meeting the intake and heating needs of the engine.

[0024] When the car is running at high speed, the crankcase inlet pipe has introduced more hot air into the annular pipe. At this time, the hot air transfers heat to the expansion block through the arc plate, causing the expansion block to expand due to the heat, and move the moving block away from the crankcase ventilation pipe, so that the arc plate drives the baffle to move in the direction of the lower arc pipe, so that the side wall of the baffle is in contact with the annular pipe again, and then the annular pipe is cut off, so that the hot air flowing into the crankcase ventilation pipe can only enter the lower arc pipe. As the car is running at high speed, the engine's air intake demand increases, so that more gas is introduced into the air pipe, and all the hot air is located in the lower arc pipe, so as to ensure that a large amount of cold air in the air pipe can be fully heat-exchanged with the hot air, so as to achieve heating of the cold air, so that the gas reaching the intake pipe will not be overcooled and mixed to produce frost that affects the use of the intake pipe.

[0025] On the other hand, the present application provides a low-temperature air distribution method for an air duct combined with a crankshaft duct, which adopts the following technical solution: S1, hot gas enters the ring pipe through the crankcase breather pipe, flows into the lower arc pipe and passes through the bump to the upper arc pipe and enters the intake pipe; S2, the cold air enters the air pipe, and the hot air heats the air pipe in the ring pipe, so that the cold air temperature rises and then enters the ring pipe; S3, the cold air with increased temperature is mixed with the hot air and discharged into the intake pipe along the ring pipe; S4. The temperature of the annular pipe rises due to the influence of hot air. At this time, the car is running at high speed, and the air intake of the air pipe increases. After the expansion block expands, it drives the baffle to block the annular pipe, so that all the hot air enters the lower arc pipe, increasing the heating of the air pipe.

[0026] In summary, the present application includes at least one of the following beneficial effects: 1. When the car starts, the hot air in the crankcase enters the annular tube through the crankcase ventilation pipe, and the air with a lower temperature enters the air pipe. At this time, in the annular tube, the hot air wraps the air pipe, thereby transferring the high temperature to the air pipe, and then the air pipe transfers the heat to the cold air inside the air pipe, so as to heat the cold air. At the same time, the temperature of the hot air is relatively reduced. After the air flows through the entire air pipe, it flows out from the end of the air pipe in the annular tube and stays in the annular tube. At this time, the air temperature is relatively increased, and then it contacts the hot air in the annular tube. The temperature difference between the air and the hot air will not be too large to produce frost, so that when the air and the hot air are finally mixed and enter the engine from the intake pipe, the intake pipe will not be blocked; 2. When the arc plate moves so that the baffle moves to the bump, the baffle cannot abut against the inner wall of the bump, so that there is a gap between the baffle and the inner wall of the bump, so that the gas in the lower arc tube can enter the upper arc tube through the gap, so that the hot air flowing into the annular tube from the crankcase ventilation pipe can enter the upper arc tube and the lower arc tube at the same time, increasing the amount of gas entering the intake pipe per unit time, thereby controlling the ventilation volume of the hot air in the annular tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic structural diagram of a low-temperature air distribution assembly in which an air duct is combined with a crankshaft duct according to an embodiment of the present application; Figure 2 This is a structural cross-sectional view of a low-temperature air distribution assembly in which an air duct is combined with a crankshaft duct according to an embodiment of the present application; Figure 3 for Figure 2 The enlarged view of point A in the middle; Figure 4 It is a schematic diagram of the structure of the water outlet block and the rotating assembly.

[0028] In the figure: 10, annular tube; 11, upper arc tube; 12, lower arc tube; 13, movable groove; 14, crankcase breather pipe; 15, air pipe; 16, air inlet pipe; 17, water outlet pipe; 20, baffle; 30, filter plate; 40, arc plate; 41, movable block; 50, envelope; 51, cylinder; 60, water spray assembly; 61, storage tube; 611, water inlet hole; 62, piston; 63, water outlet block; 631, water outlet hole; 632, rotating groove; 70, rotating assembly; 71, driving block; 72, gravity rod; 80, protrusion; 90, expansion block. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-4 This application is described in further detail.

[0030] The present application embodiment discloses a low-temperature air distribution assembly in which an air duct is combined with a crankshaft duct. Figure 1 and Figure 2 The low-temperature air distribution assembly of the air duct combined with the crank duct includes an air duct 15, a crankcase breather duct 14 and an intake duct 16. The crankcase breather duct 14 is connected with the annular duct 10. The air duct 15 passes through the annular duct 10, that is, one end of the air duct 15 extends out of the annular duct 10, and the other end is located in the annular duct 10. The air duct 15 is fixed to the annular duct 10 to pass the outside air into the annular duct 10, and the crankcase breather duct 14 is fixed to the outer side wall of the annular duct 10 and is connected with the annular duct 10. The intake duct 16 is also fixed to the outer side wall of the annular duct 10 and is connected with the annular duct 10.

[0031] When the car starts, the hot air in the crankcase enters the annular pipe 10 through the crankcase ventilation pipe 14, and the air with a lower temperature enters the air pipe 15. At this time, in the annular pipe 10, the hot air wraps the air pipe 15, thereby transferring the high temperature to the air pipe 15, and then the air pipe 15 transfers the heat to the cold air inside the air pipe 15, thereby heating the cold air and reducing the temperature of the hot air.

[0032] After the air flows through the entire air pipe 15, it flows out from the end of the air pipe 15 located in the annular pipe 10 and stays in the annular pipe 10. The air temperature at this time is relatively high, and then it contacts the hot air in the annular pipe 10. The temperature difference between the air and the hot air will not be too large to produce frost, so that when the air and the hot air are finally mixed and enter the engine from the intake pipe 16, the intake pipe 16 will not be blocked.

[0033] Reference Figure 1 and Figure 2Among them, because the hot gas introduced into the annular tube 10 by the crankcase breather pipe 14 is doped with a lot of impurities, in order to prevent the impurities from directly reaching the intake pipe 16 and causing the intake pipe 16 to be blocked, a baffle 20 and a filter plate 30 are provided in the annular tube 10. The baffle 20 and the filter plate 30 are located on both sides of the annular tube 10, thereby dividing the annular tube 10 into an upper arc tube 11 and a lower arc tube 12. The annular tube 10 is placed vertically, the upper arc tube 11 is located above the lower arc tube 12, the intake pipe 16 is connected to the upper arc tube 11, the crankcase breather pipe 14 is connected to the lower arc tube 12, and the air pipe 15 is also located in the lower arc tube 12, and a filter plate 30 is passed through one end of the air pipe 15.

[0034] When the hot gas in the crankcase enters the annular tube 10 through the crankcase ventilation pipe 14, the hot gas flows in the lower arc tube 12 to heat the air pipe 15 in the lower arc tube 12, and then passes through the filter plate 30 to reach the upper arc tube 11. The filter plate 30 plays a filtering role, so that impurities in the hot gas are not easy to enter the upper arc tube 11 and enter the intake pipe 16, so that the intake pipe 16 is not easy to be blocked. The baffle 20 plays a blocking role, so that the hot gas entering the annular tube 10 must be filtered by the filter plate 30 before reaching the upper arc tube 11, thereby ensuring that the gas entering the intake pipe 16 is relatively clean.

[0035] Reference Figure 1 and Figure 2 Most of the hot gas containing impurities circulates in the lower arc tube 12, so that more impurities are retained in the lower arc tube 12. In order to prevent the accumulated impurities from affecting the circulation of the gas, an arc plate 40 is provided in the annular tube 10. The arc plate 40 is arranged along the circumference of the annular tube 10. One end of the arc plate 40 is fixed to the baffle 20, and the other end is fixed to the filter plate 30. A moving groove 13 is penetrated on the side wall of the lower arc tube 12. The arc plate 40 blocks the moving groove 13. A moving block 41 is fixed on the side wall of the arc plate 40. The moving block 41 is inserted in the moving groove 13 and can move in the moving groove 13.

[0036] Reference Figure 1 and Figure 2A mounting rod is fixed on the annular tube 10, and the end of the mounting rod is located at the center of the annular tube 10. A moving block 41 is hinged at the end of the mounting rod. The mounting rod plays a role of pulling and lifting the moving block 41, so that the arc plate 40 always abuts against the inner wall of the annular tube 10 to block the moving groove 13. When the car stops, the moving block 41 can be driven to move in the moving groove 13, so that the arc plate 40 moves along the circumferential direction of the annular tube 10, thereby driving the filter plate 30 and the baffle 20 to move. During the movement of the filter plate 30, the circumferential side wall of the filter plate 30 slides on the inner wall of the annular tube 10, thereby scraping off the impurities attached to the inner wall of the lower arc tube 12. At the same time, the middle part of the filter plate 30 also slides on the side wall of the air pipe 15 to clean the outer wall of the air pipe 15. Finally, the impurities scraped off by the filter plate 30 are discharged through the outlet pipe 17 to clean the lower arc tube 12.

[0037] Reference Figure 1 and Figure 2 A protrusion 80 is fixed on the side wall of the upper arc tube 11. The protrusion 80 is hollow inside and communicates with the upper arc tube 11. An expansion block 90 is provided on the outer wall of the ring tube 10. In the embodiment of the present application, the expansion block 90 is made of silicone rubber. One end of the expansion block 90 is attracted to the inner wall of the moving groove 13 through a magnet, and the other end is also attracted to the moving block 41 through a magnet, so that the expansion block 90 can be removed from between the moving block 41 and the inner wall of the moving groove 13, so that the rotation angle of the moving block 41 will not be affected by the expansion block 90. ​​When the expansion block 90 contracts, the moving block 41 can drive the baffle 20 to move to the protrusion 80.

[0038] In the initial state, the expansion block 90 is in a contracted state, so that the moving block 41 is close to the crankcase ventilation pipe 14. At this time, the baffle 20 is located at the protrusion 80, that is, the upper arc tube 11 and the lower arc tube 12 are connected through the gap between the baffle 20 and the inner wall of the protrusion 80. When the car is just started, the vehicle needs to be preheated, and the crankcase ventilation pipe 14 passes the hot air into the annular tube 10. At this time, the hot air can be dispersed into the upper arc tube 11 and the lower arc tube 12, that is, fill the entire annular tube 10, and enter the intake pipe 16, thereby meeting the intake and heating needs of the engine.

[0039] Reference Figure 1 and Figure 2When the car is running at high speed, the crankcase inlet pipe has introduced more hot air into the annular pipe 10. At this time, the hot air transfers heat to the expansion block 90 through the arc plate 40, so that the expansion block 90 expands due to the heat, and moves the moving block 41 away from the crankcase ventilation pipe 14, so that the arc plate 40 drives the baffle 20 to move toward the lower arc pipe 12, so that the side wall of the baffle 20 is in contact with the annular pipe 10 again, and then the annular pipe 10 is cut off, so that the hot air flowing into the crankcase ventilation pipe 14 can only enter the lower arc pipe 12. Because the car is running at high speed, the air intake demand of the engine increases, so that more gas is introduced into the air pipe 15, and all the hot air is located in the lower arc pipe 12, so as to ensure that a large amount of cold air in the air pipe 15 can be fully heat-exchanged with the hot air, so as to achieve heating of the cold air, so that the gas reaching the intake pipe 16 will not be overcooled and mixed to produce frost that affects the use of the intake pipe 16.

[0040] Reference Figure 2 and Figure 3 When the hot air in the lower arc tube 12 heats the air pipe 15, the water vapor in the hot air meets the low-temperature surface of the air pipe 15 and condenses into liquid water. The water drips from the surface of the air pipe 15 into the annular tube 10. In order to discharge the condensed water, the bottom end of the lower arc tube 12 is connected with a water outlet pipe 17. A sleeve 50 is sleeved on the water outlet pipe 17. The inner wall of the sleeve 50 is threadedly connected with the outer wall of the water outlet pipe 17. The water flows along the annular tube 10 to the lowest end of the annular tube 10, and then enters the water outlet pipe 17. When a lot of condensed water is accumulated in the annular tube 10, the sleeve 50 is screwed when the car is stopped, so that the sleeve 50 moves away from the annular tube 10 until the sleeve 50 is removed from the water outlet pipe 17. At this time, the water outlet pipe 17 is in an open state, so that the condensed water in the annular tube 10 can be discharged through the water outlet pipe 17.

[0041] Reference Figure 2 and Figure 3 In order to facilitate the cleaning of impurities contained in the hot gas in the lower arc tube 12, a water spray assembly 60 is provided in the sleeve 50, and the water spray assembly 60 includes a storage cylinder 61, a piston 62 and a water outlet block 63. The storage cylinder 61 is fixed on the bottom wall of the sleeve 50, and the storage cylinder 61 can be inserted into the water outlet pipe 17. The storage cylinder 61 is arranged along the length direction of the water outlet pipe 17. A plurality of water inlet holes 611 are penetrated on the side wall of the storage cylinder 61. The piston 62 is located in the storage cylinder 61 and can move in the storage cylinder 61 along the length direction of the storage cylinder 61. The bottom of the sleeve 50 is installed with a cylinder 51 by bolts, and the output end of the cylinder 51 passes through the sleeve 50 and is fixed to the piston 62. The water outlet block 63 is located at one end of the storage tube 61 close to the annular tube 10. Two support frames are horizontally mounted on the storage tube 61. The water outlet block 63 is embedded between the two support frames. A plurality of water outlet holes 631 are opened through the water outlet block 63. One end of the water outlet hole 631 is connected to the storage tube 61, and the other end is connected to the annular tube 10.

[0042] In the initial state, the piston 62 is located at the bottom of the storage tube 61. When the condensed water in the annular tube 10 enters the water outlet pipe 17, the condensed water flows into the storage tube 61 through the water inlet hole 611. The condensed water is located above the piston 62. Then the cylinder 51 is started to drive the piston 62 to move upward, thereby squeezing the condensed water in the storage tube 61. When the condensed water moves under pressure, some of the condensed water will flow out of the storage tube 61 through the water inlet hole 611. Because the aperture of the water inlet hole 611 is smaller than the diameter of the storage tube 61, the rate at which the condensed water flows out of the storage tube 61 through the water inlet hole 611 is slower, so that most of the condensed water in the storage tube 61 moves upward to the water outlet block 63 and is sprayed out from the water outlet hole 631 to achieve spraying in the lower arc tube 12. At this time, the water can absorb impurities in the hot air in the lower arc tube 12, causing the weight of the impurities to increase and automatically fall, thereby achieving the effect of cleaning the hot air.

[0043] Reference Figure 3 and Figure 4 In order to speed up the cleaning of impurities in the hot air, a rotating assembly 70 is provided on the storage cylinder 61. The rotating assembly 70 includes a driving block 71 and a gravity rod 72. The driving block 71 is slidably connected to the side wall of the storage cylinder 61. The gravity rod 72 is fixed to the driving block 71. The gravity rod 72 is used to drive the driving block 71 to move downward. The piston 62 can abut against the gravity rod 72 and drive the driving block 71 to move in the length direction of the storage cylinder 61. A rotating groove 632 is opened on the circumferential side wall of the water outlet block 63. The rotating groove 632 is a spiral groove. The driving block 71 is inserted in the rotating groove 632 and can move in the rotating groove 632 to drive the water outlet block 63 to rotate.

[0044] In the initial state, the gravity rod 72 applies a downward pulling force to the driving block 71 under the action of gravity, so that the driving block 71 is located at the bottom of the rotating groove 632. When the piston 62 moves upward and the condensed water in the storage tube 61 is sprayed out from the water outlet hole 631, the piston 62 will abut against the gravity rod 72 and push the gravity rod 72 upward, so that the driving block 71 moves in the vertical direction, and the side wall of the driving block 71 abuts against the inner wall of the rotating groove 632 and applies a thrust to the inner wall of the rotating groove 632, so that the driving block 71 moves relatively in the rotating groove 632, thereby realizing the rotation of the water outlet block 63, so that the water flowing out of the water outlet hole 631 generates centrifugal force, that is, the water is sprayed in a direction away from the central axis of the water outlet block 63, thereby expanding the spraying range and improving the cleaning accuracy of impurities in the hot air.

[0045] The implementation principle of the low-temperature air distribution assembly of an air duct combined with a crank duct in the embodiment of the present application is as follows: when the car starts, the hot air in the crankcase enters the annular pipe 10 through the crankcase ventilation pipe 14, and the air with a lower temperature enters the air pipe 15. At this time, in the annular pipe 10, the hot air wraps around the air pipe 15, thereby transferring the high temperature to the air pipe 15, and then the air pipe 15 transfers the heat to the cold air inside the air pipe 15, thereby heating the cold air and reducing the temperature of the hot air relatively.

[0046] After the air flows through the entire air pipe 15, it flows out from the end of the air pipe 15 located in the annular pipe 10 and stays in the annular pipe 10. The air temperature at this time is relatively high, and then it contacts the hot air in the annular pipe 10. The temperature difference between the air and the hot air will not be too large to produce frost, so that when the air and the hot air are finally mixed and enter the engine from the intake pipe 16, the intake pipe 16 will not be blocked.

[0047] The present application also discloses a low-temperature air distribution method of an air duct combined with a crankshaft duct, comprising the following steps: S1, hot gas enters the annular tube 10 through the crankcase breather pipe 14, flows into the lower arc tube 12 and passes through the bump 80 to reach the upper arc tube 11 and enter the intake pipe 16; S2, the cold air enters the air pipe 15, and the hot air heats the air pipe 15 in the ring pipe 10, so that the cold air temperature rises and then enters the ring pipe 10; S3, the cold air with increased temperature is mixed with the hot air and discharged into the air inlet pipe 16 along the ring pipe 10; S4. The temperature of the annular tube 10 increases due to the hot air. At this time, the car is running at high speed, and the air intake of the air pipe 15 increases. The expansion block 90 expands and drives the baffle 20 to block the annular tube 10, so that all the hot air enters the lower arc tube 12, thereby increasing the heating of the air pipe 15.

[0048] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A low-temperature air distribution assembly combining an air duct and a crankshaft duct, characterized in that: The invention comprises an air pipe (15), a crankcase ventilation pipe (14) and an intake pipe (16); the crankcase ventilation pipe (14) is connected to an annular pipe (10); the air pipe (15) is located in the annular pipe (10); one end of the air pipe (15) passes through the annular pipe (10) and the other end is connected to the annular pipe (10); and the intake pipe (16) is connected to the annular pipe (10).

2. The low-temperature air distribution assembly of the air duct combined with the crankshaft duct according to claim 1, characterized in that: A baffle plate (20) and a filter plate (30) are arranged inside the annular tube (10), and the baffle plate (20) and the filter plate (30) divide the annular tube (10) into an upper arc tube (11) and a lower arc tube (12); the crankcase ventilation pipe (14) is connected to the lower arc tube (12); the air pipe (15) is located in the lower arc tube (12); one end of the air pipe (15) passes through the filter plate (30); and the air intake pipe (16) is connected to the upper arc tube (11).

3. The low-temperature air distribution assembly of the air duct combined with the crankshaft duct according to claim 2, characterized in that: The annular tube (10) is arranged vertically, the bottom end of the lower arc tube (12) is connected to a water outlet pipe (17), a sleeve (50) is sleeved on the water outlet pipe (17), and the inner wall of the sleeve (50) is threadedly connected to the outer wall of the water outlet pipe (17).

4. The low-temperature air distribution assembly of the air duct combined with the crankshaft duct according to claim 3, characterized in that: A water spray assembly (60) is provided in the envelope (50), and the water spray assembly (60) comprises a storage cylinder (61), a piston (62) and a water outlet block (63). The storage cylinder (61) is fixed on the bottom wall of the envelope (50), and the storage cylinder (61) can be inserted into the water outlet pipe (17). The storage cylinder (61) is arranged along the length direction of the water outlet pipe (17). A plurality of water inlet holes (611) are formed through the side wall of the storage cylinder (61). The piston (62) The water outlet block (63) is located in the storage tube (61) and is capable of moving in the storage tube (61) along the length direction of the storage tube (61). The piston (62) is driven by a cylinder (51) provided on the sleeve (50). The water outlet block (63) is located at one end of the storage tube (61) close to the annular tube (10). A plurality of water outlet holes (631) are formed through the water outlet block (63). One end of the water outlet hole (631) is connected to the storage tube (61), and the other end is connected to the annular tube (10).

5. The low-temperature air distribution assembly of the air duct combined with the crankshaft duct according to claim 4, characterized in that: The storage cylinder (61) is provided with a rotating assembly (70), the rotating assembly (70) is connected to the water outlet block (63), and the rotating assembly (70) is used to drive the water outlet block (63) to rotate around the central axis of the storage cylinder (61).

6. The low-temperature air distribution assembly of the air duct combined with the crankshaft duct according to claim 5, characterized in that: The rotating assembly (70) comprises a driving block (71) and a gravity rod (72); the driving block (71) is slidably connected to the side wall of the storage tube (61); the gravity rod (72) is fixed to the driving block (71); the gravity rod (72) is used to drive the driving block (71) to move downward; the piston (62) can abut against the gravity rod (72) and drive the driving block (71) to move in the length direction of the storage tube (61); a rotating groove (632) is provided on the circumferential side wall of the water outlet block (63); the driving block (71) is inserted into the rotating groove (632) and can move in the rotating groove (632) to drive the water outlet block (63) to rotate.

7. The low-temperature air distribution assembly of the air duct combined with the crankshaft duct according to claim 2, characterized in that: The baffle plate (20) and the filter plate (30) are connected via an arc plate (40), the arc plate (40) abuts against the inner wall of the annular tube (10), a movable groove (13) is provided through the side wall of the lower arc tube (12), the arc plate (40) blocks the movable groove (13), a movable block (41) is fixed on the side wall of the arc plate (40), the movable block (41) is inserted into the movable groove (13), and can move in the movable groove (13).

8. The low-temperature air distribution assembly of the air duct combined with the crankshaft duct according to claim 7, characterized in that: A convex block (80) is provided on the side wall of the upper arc tube (11); the interior of the convex block (80) is hollow and communicated with the upper arc tube (11).

9. The low-temperature air distribution assembly of the air duct combined with the crankshaft duct according to claim 8, characterized in that: An expansion block (90) is provided on the outer wall of the annular tube (10), wherein one end of the expansion block (90) is connected to the annular tube (10) and the other end is connected to the moving block (41). When the expansion block (90) contracts, it is used to drive the moving block (41) to drive the baffle (20) to move to the position of the protrusion (80).

10. A method for low-temperature air distribution of an air duct combined with a crankshaft duct, using the low-temperature air distribution assembly of an air duct combined with a crankshaft duct as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: S1, hot gas enters the annular tube (10) through the crankcase ventilation pipe (14), flows into the lower arc tube (12), passes through the convex block (80), reaches the upper arc tube (11), and enters the intake pipe (16); S2, the cold air enters the air pipe (15), and the hot air heats the air pipe (15) in the ring pipe (10), so that the cold air temperature rises and then enters the ring pipe (10); S3, the cold air with increased temperature is mixed with the hot air and discharged into the air inlet pipe (16) along the ring pipe (10); S4. The temperature of the annular tube (10) increases due to the influence of the hot air. At this time, the car is running at a high speed, and the air intake of the air pipe (15) increases. After the expansion block (90) expands, it drives the baffle (20) to block the annular tube (10), so that all the hot air enters the lower arc tube (12), thereby increasing the heating of the air pipe (15).

Images