CN106337708A - Mobile type engine oil switching and separating method - Google Patents

Abstract

The invention relates to the technical field of engines, in particular to a method for switching and separating flexible engine oil. The method is implemented by a flexible engine oil switching and separating device, and includes the following steps: installation of an oil cylinder→installation of an oil column→normal operation→switching of an oil tank→switching of an oil circuit→return of the oil circuit. An oil tank is installed in the oil storage device, and the oil tank is provided with a tank groove and an oil column. The first oil tank and the second oil tank are installed in the oil column, and the oil column rotates in the oil tube under the drive of the motor. Quick switching, sensitive response, fast oil change speed, when working, use the flexible engine oil switching separation device, through a series of steps of oil cylinder installation → oil column installation → normal operation → oil tank switching → oil circuit switching → oil circuit return The fast switching of the oil tank and the timely switching of the oil passage make the conversion of the oil return circuit keep up with the switching of the oil tank and run synchronously, which effectively reduces the mixing of the two kinds of engine oil and avoids the change of the lubricating performance of the engine oil.

Description

Flexible Engine Oil Switching and Separation Method

technical field

The invention relates to the technical field of engines, in particular to a method for switching and separating flexible engine oil.

Background technique

The current engine is generally lubricated with engine oil, but generally only one type of engine oil is stored in the oil pan for storing engine oil in the engine. There are a variety of engine oil models available in the market, each type of engine oil has an optimum working environment temperature range, beyond this optimum working environment temperature range, the lubricating performance of the engine oil will decline, in severe cases will damage the engine. In countries with a large latitude span like China, there is a large temperature difference from the northernmost point to the southernmost point in winter. If the car is driven from the northernmost point to the southernmost point or from the southernmost point to the northernmost point, in order to make the engine better , It is necessary to change different oils halfway to adapt to different temperature environments. At present, a switching device that can store two types of oil at the same time has been invented, but the running resistance is large during use, the switching response is slow, and the sensitivity is poor.

Contents of the invention

In order to overcome the disadvantages of large running resistance, slow switching response and poor sensitivity in the existing engine oil switching device, the invention provides a flexible engine oil switching and separation method.

The technical solution adopted by the present invention to solve the technical problem is: a flexible engine oil switching and separating method, which is implemented by a flexible engine oil switching and separating device, including the following steps: oil cylinder installation → oil column installation → normal operation → Oil tank switch→oil circuit switch→oil circuit return.

According to another embodiment of the present invention, it further includes a flexible engine oil switching and separating device including a cylinder head, a cylinder block, an oil pan, a motor, a cover plate, a notch, a crankshaft, a camshaft, an oil storage device, an oil tank, and an oil tank 2. Crankshaft position sensor, oil pump, oil suction hose, oil delivery pipeline and oil return pipe. The crankshaft position sensor and motor are respectively connected to the control system of the engine. There is an oil gauge 1 on the oil pipe and the oil delivery pipeline, and a spool is rotatably connected to the oil distribution valve. Hole, oil outlet three, oil outlet one and oil outlet two, the oil distribution pipe is a cross-shaped four-way pipe, with oil inlet pipe, oil outlet pipe three, oil outlet pipe one and oil outlet pipe two on the top, bottom, left and right, and oil outlet pipe one and oil outlet pipe two in the valve core. There are oil passage 1, oil passage 2, oil passage 3 and oil passage 4. There is an oil cylinder in the oil storage device, and there is a cylinder groove and an oil column on the oil cylinder. The outer wall of the oil column is adjacent to the inner wall of the oil cylinder. Sealed rotating fit.

According to another embodiment of the present invention, the step of installing the oil cylinder further includes: installing the oil cylinder under the cover plate, the cylinder groove is vertically opened in the top center of the oil cylinder, and the cylinder groove and the notch on the cover plate are connected up and down. .

According to another embodiment of the present invention, the step of installing the oil column further includes: first installing the oil tank 1 and the oil tank 2 on the inner circumference of the oil column, and then sealing the oil column into the oil tube, and rotating with the oil tube, And fix the side axis of the oil column on the rotating shaft of the motor, and finally extend the oil outlet pipe 3 into the slot, and seal the oil outlet pipe 1 and the oil outlet pipe 2 through the oil cylinder, and extend to the oil tank 1 and oil tank 2 respectively extreme edge position.

According to another embodiment of the present invention, the normal operation step further includes: the oil pump goes deep into the oil groove directly below the notch through the oil suction hose, pumps up the engine oil, reaches the cylinder head through the oil delivery pipeline, and sprays it to the camshaft Then the oil flows into the oil inlet pipe through the oil return pipe, passes through the oil inlet hole, runs through the oil passage four and the oil passage three, then passes through the oil outlet hole three, enters the oil outlet pipe three, and flows back to the initial oil groove directly below the notch.

According to another embodiment of the present invention, the oil tank switching step further includes: when the engine oil needs to be switched, the control system of the engine receives a position signal from the crankshaft position sensor that any connecting rod journal on the crankshaft does not extend into the notch, and then sends an instruction For the motor, the motor directly drives the oil column to rotate, and the oil tank is switched through circular motion, so that the oil tank that was directly below the slot is displaced to the extreme edge position, and the oil tank that was previously at the extreme edge position is displaced to the right below the slot.

According to another embodiment of the present invention, the step of switching the oil circuit further includes: while the ECU of the control system of the engine is switching the oil tank, the control spool rotates synchronously with the oil column, and through the combination of various oil channels, the oil circuit is replaced to change the engine oil. The flow direction, so that the original engine oil is still diverted to the previous oil tank.

According to another embodiment of the present invention, the step of returning the oil circuit further includes: the control system ECU of the engine calculates whether the machine oil passing through the oil gauge one is has flowed back into the crude oil tank, when the calculated flow rate of the oil gauge 2 reaches the set value, the ECU controls the spool to rotate reversely to reset, quickly switch to the crude oil channel, and change the flow direction so that the oil returns to the oil pipe from the switched, tank The new oil in the new oil sump directly below the port flows into the new oil sump.

The beneficial effects of the present invention are that the method is implemented by a flexible engine oil switching and separating device, an oil cylinder is arranged in the oil storage device, a cylinder groove and an oil column are arranged on the oil cylinder, and the first oil groove and the second oil groove are installed in the oil column, The oil column rotates in the oil cylinder under the drive of the motor, the running resistance is small, the oil tank can be switched quickly, the response is sensitive, and the oil change speed is fast. The oil gauge 2, the oil distribution valve and the oil distribution pipe are installed on the oil return pipe. The three branch pipes extend into the extreme edge positions and notches of oil tank 1 and oil tank 2 respectively. The oil distribution valve is installed on the oil distribution pipe, and the valve core is rotatably connected to the oil distribution valve. Meter 2, oil gauge 1 and the valve core are respectively connected with the control system of the engine to form a flexible oil separation mechanism. When working, use the flexible engine oil switching and separating device to quickly switch the oil tank and switch the oil passage in a series of steps through the installation of the oil cylinder → installation of the oil column → normal operation → switching of the oil tank → switching of the oil circuit → return of the oil circuit , so that the conversion of the oil return circuit can keep pace with the switching of the oil tank, and run synchronously to ensure that the old oil in the oil return pipe still flows back to the old oil tank, while the new oil returns to the new oil tank in the working position, effectively reducing two The intermixing of various engine oils avoids the change of the lubricating performance of the engine oil.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic diagram of oil tube pipeline distribution of the present invention;

Fig. 3 is a top view of the pipeline distribution of the oil tube of the present invention;

Fig. 4 is a structural schematic diagram of the oil separation valve of the present invention.

In the figure 1. Cylinder head, 2. Cylinder block, 3. Oil pan, 4. Crankshaft, 5. Camshaft, 6. Oil storage device, 61. Cover plate, 62. Notch, 64. Oil tank one, 65. Oil tank two, 68. Motor, 7. Crankshaft position sensor, 8. Oil cylinder, 81. Tank groove, 82. Oil column, 9. Oil pump, 10. Oil suction hose, 11. Oil delivery pipe, 12. Oil return pipe , 13. Oil gauge two, 14. Oil distribution valve, 141. Oil outlet one, 142. Oil outlet two, 143. Oil outlet three, 144. Oil inlet, 15. Oil distribution pipe, 151. Oil outlet pipe One, 152. Oil outlet pipe two, 153. Oil outlet pipe three, 154. Oil inlet pipe, 16. Oil gauge one, 17. Spool, 171. Oil passage one, 172. Oil passage two, 173. Oil passage three, 174 . Oil passage four.

detailed description

Figure 1 is a schematic structural diagram of the present invention, Figure 2 is a schematic diagram of the distribution of the oil tube pipeline of the present invention, Figure 3 is a top view of the distribution of the oil tube pipeline of the present invention, and Figure 4 is a schematic structural diagram of the oil separation valve of the present invention, a The flexible engine oil switching and separating method is implemented by a flexible engine oil switching and separating device, comprising the following steps: oil cylinder installation → oil column installation → normal operation → oil tank switching → oil circuit switching → oil circuit return.

The flexible engine oil switching and separating device includes cylinder head 1, cylinder block 2, oil pan 3, motor 68, cover plate 61, notch 62, crankshaft 4, camshaft 5, oil storage device 6, oil tank 1 64, oil tank 2 65. The crankshaft position sensor 7, the oil pump 9, the oil suction hose 10, the oil delivery pipeline 11 and the oil return pipe 12, the crankshaft position sensor 7 and the motor 68 are respectively connected to the control system of the engine, and the oil return pipe 12 is provided with an oil quantity Meter 2 13, oil distribution valve 14 and oil distribution pipe 15, oil delivery pipeline 11 is provided with oil gauge 1 16, and the inside of oil distribution valve 14 is rotatably connected with spool 17, oil gauge 2 13, oil gauge 1 16 and The spool 17 is respectively connected with the control system of the engine. The oil distribution valve 14 is provided with an oil inlet 144, an oil outlet 3 143, an oil outlet 141 and an oil outlet 2 142. The oil distribution pipe 15 is a cross-shaped four-way pipe , oil inlet pipe 154, oil outlet pipe three 153, oil outlet pipe one 151 and oil outlet pipe two 152 are arranged on the top, bottom, left and right sides, and oil passage one 171, oil passage two 172, oil passage three 173 and oil passage four 174 are arranged in the valve core 17 , The oil storage device 6 is provided with an oil cylinder 8, the oil cylinder 8 is provided with a cylinder groove 81 and an oil column 82, and the outer wall of the oil column 82 and the inner wall of the oil cylinder 8 are sealed and rotated in adjacent positions.

The installation steps of the oil cylinder include: installing the oil cylinder 8 under the cover plate 61 , the cylinder groove 81 is vertically set on the top center of the oil cylinder 8 , and the cylinder groove 81 is connected with the notch 62 on the cover plate 61 up and down.

The oil column installation steps include: first install the oil tank 64 and the oil tank 2 65 on the inner circumference of the oil column 82, then seal the oil column 82 in the oil tube 8, rotate and cooperate with the oil tube 8, and place the oil column 82 The shaft center of the side part of the motor is fixed on the rotating shaft of the motor 68, and finally the oil outlet pipe 3 153 is extended into the notch 62, and the oil outlet pipe 1 151 and the oil outlet pipe 2 152 are sealed through the oil cylinder 8 and extended to the oil tank 1 64 respectively. And the limit edge position of oil groove two 65.

The normal operation steps include: the oil pump 9 goes deep into the oil tank directly below the notch 62 through the oil suction hose 10, pumps up the engine oil, reaches the cylinder head 1 through the oil delivery pipeline 11, and sprays it on the camshaft 5, and then the engine oil passes through The oil return oil pipe 12 flows into the oil inlet pipe 154, passes through the oil inlet hole 144, runs through the oil passage four 174 and the oil passage three 173, then passes through the oil outlet three 143, enters the oil outlet pipe three 153, and flows back to the oil outlet pipe 3 directly below the notch 62. Initial oil tank.

The oil tank switching steps include: when the engine oil needs to be switched, the control system of the engine receives a position signal from the crankshaft position sensor 7 that any connecting rod journal on the crankshaft 4 does not extend into the notch 62, and then sends an instruction to the motor 68, and the motor 68 directly drives The oil column 82 rotates, and switches the oil grooves through circular motion, so that the oil groove directly below the notch 62 is displaced to the limit edge position, and the oil groove previously at the limit edge position is displaced to the right below the notch 62 .

The oil circuit switching steps include: while the engine control system ECU switches the oil tank, the control valve core 17 rotates synchronously with the oil column 82, through the combination of various oil channels, the oil circuit is replaced, and the flow direction of the engine oil is changed, so that the original engine oil is still drained. to the previous sump.

The oil circuit return step includes: the ECU of the engine control system calculates whether the oil passing through the oil gauge 16 has flowed back into the crude oil tank before the oil tank is switched, through the comparison of the oil gauge 1 16 and the oil gauge 2 13, When the calculated flow rate of the oil gauge 2 13 reaches the set value, the ECU controls the spool 17 to reversely rotate and reset, quickly switches to the crude oil channel, and changes the flow direction, so that the engine oil returns to the oil pipe 12 from the channel directly below the notch 62 after switching. The new oil in the new oil sump flows into the new oil sump.

An oil cylinder 8 is arranged in the oil storage device 6, and the oil cylinder 8 is provided with a cylinder groove 81 and an oil column 82. The oil groove 1 64 and the oil groove 2 65 are installed in the oil column 82, and the oil column 82 is driven by the motor 68 in the oil column. The barrel 8 rotates inside, the running resistance is small, the oil tank is switched quickly, the response is sensitive, and the oil change speed is fast. The oil return oil pipe 12 is equipped with an oil gauge 2 13, an oil distribution valve 14 and an oil distribution pipe 15. The three branches of the oil distribution pipe 15 are respectively Stretch into the limit edge positions of oil groove 1 64 and oil groove 2 65 and the notch 62, the oil distribution valve 14 is installed on the oil distribution pipe 15, and the oil distribution valve 14 is connected with the spool 17 in rotation, and at the same time, it is set on the oil delivery pipeline 11 Oil gauge one 16, oil gauge two 13, oil gauge one 16 and spool 17 are respectively connected with the control system of the engine to form a flexible oil separation mechanism. When working, use the flexible engine oil switching and separating device to quickly switch the oil tank and switch the oil passage in a series of steps through the installation of the oil cylinder → installation of the oil column → normal operation → switching of the oil tank → switching of the oil circuit → return of the oil circuit , so that the conversion of the oil return circuit can keep up with the pace of oil tank switching, and run synchronously to ensure that the old oil in the oil return oil pipe 12 still flows back into the old oil tank, while the new oil returns to the new oil tank in the working position, effectively reducing The mixing of two kinds of engine oil is avoided, and the change of lubricating performance of engine oil is avoided.

In the switching process of oil tank one 64 and oil tank two 65, the lower end of the oil suction hose 10 is suitable for utilizing its own elasticity to enter another oil tank from one oil tank, thereby facilitating the oil pump 9 to use the oil suction hose 10 to drain from the oil tank one 64 or the oil tank. Suction engine oil in two 65, because the switching time of oil tank one 64 and oil tank two 65 is short, the interruption time of oil pump 9 suction engine oil is short, can not produce influence on the pumping of engine oil.

Claims (8)

1. A flexible method for switching and separating engine oil, characterized in that: the method is implemented by a flexible engine oil switching and separating device, comprising the following steps: installation of oil cylinder → installation of oil column → normal operation → switching of oil tank → switching of oil circuit → The oil circuit returns. 2. The flexible engine oil switching and separation method according to claim 1, characterized in that the flexible engine oil switching and separation device includes a cylinder head (1), a cylinder block (2), an oil pan (3), a motor ( 68), cover plate (61), notch (62), crankshaft (4), camshaft (5), oil storage device (6), oil tank one (64), oil tank two (65), crankshaft position sensor (7 ), oil pump (9), oil suction hose (10), oil delivery pipeline (11) and oil return pipe (12), crankshaft position sensor (7) and motor (68) are respectively connected with the control system of the engine, and the oil return Oil gauge two (13), oil separation valve (14) and oil distribution pipe (15) are arranged on the oil pipe (12), and oil gauge one (16) and oil separation valve (14) are arranged on the oil delivery pipeline (11). ) internally rotates with a spool (17), oil gauge two (13), oil gauge one (16) and spool (17) are respectively connected to the control system of the engine. Oil hole (144), oil outlet hole three (143), oil outlet hole one (141) and oil outlet hole two (142), the oil distribution pipe (15) is a cross-shaped four-way pipe, and oil inlet pipes ( 154), oil outlet pipe three (153), oil outlet pipe one (151) and oil outlet pipe two (152), oil passage one (171), oil passage two (172), oil passage three ( 173) and oil passage four (174), the oil storage device (6) is provided with an oil cylinder (8), and the oil cylinder (8) is provided with a cylinder groove (81) and an oil column (82), and the oil column (82) The outer wall and the inner wall of the oil cylinder (8) are sealed and rotated in adjacent places. 3. The flexible engine oil switching and separation method according to claim 1, characterized in that the installation step of the oil cylinder includes: installing the oil cylinder (8) under the cover plate (61), and the cylinder groove (81) is vertically opened At the top center of the oil cylinder (8), the cylinder groove (81) is connected up and down with the notch (62) on the cover plate (61). 4. The flexible engine oil switching and separation method according to claim 1, characterized in that the oil column installation step includes: first installing the oil tank 1 (64) and the oil tank 2 (65) on the inner circumference of the oil column (82) Then, seal the oil column (82) in the oil tube (8), rotate and cooperate with the oil tube (8), and fix the side axis of the oil column (82) on the rotating shaft of the motor (68), Finally, extend oil outlet pipe 3 (153) into the notch (62), and seal oil outlet pipe 1 (151) and oil outlet pipe 2 (152) through the oil cylinder (8) to extend to oil tank 1 (64) and The extreme edge position of oil tank two (65). 5. The method for switching and separating the flexible engine oil according to claim 1, characterized in that the normal operation step comprises: the oil pump (9) goes deep into the oil groove directly below the notch (62) through the oil suction hose (10), The engine oil is pumped upwards, reaches the cylinder head (1) through the oil delivery pipeline (11), and is sprayed onto the camshaft (5), then the engine oil flows into the oil inlet pipe 154 through the oil return oil pipe (12), and passes through the oil inlet hole (144 ), through oil passage four (174) and oil passage three (173), then through oil outlet three (143), enter oil outlet pipe three (153), and flow back to the initial oil groove directly below the notch (62). 6. The flexible engine oil switching and separation method according to claim 1, characterized in that the oil tank switching step comprises: when the engine oil needs to be switched, the control system of the engine receives the crankshaft position sensor (7) and sends out any When the connecting rod journal does not extend into the position signal of the notch (62), it sends a command to the motor (68), and the motor (68) directly drives the oil column (82) to rotate, and the oil tank is switched by circular motion, so that it is in the notch before The oil groove directly below (62) is displaced to the limit edge position, and the oil groove at the limit edge position is displaced to the position directly below the notch (62). 7. The method for switching and separating flexible engine oil according to claim 1, characterized in that the step of switching the oil circuit includes: the ECU of the control system of the engine controls the spool (17) to follow the oil column (82) while switching the oil tank Synchronous rotation, through the combination of various oil passages, replace the oil passage, change the flow direction of the oil, so that the original oil is still diverted to the previous oil tank. 8. The method for switching and separating the flexible engine oil according to claim 1, characterized in that the step of returning the oil circuit includes: the ECU of the engine control system compares the oil gauge 1 (16) with the oil gauge 2 (13) , to calculate whether the engine oil passing through the oil gauge 1 (16) has flowed back to the crude oil tank before the oil tank is switched, and when the calculated flow rate of the oil gauge 2 (13) reaches the set value, the ECU controls the spool (17) Turn reversely to reset, quickly switch to the crude oil channel, and change the flow direction, so that the new oil in the oil return oil pipe (12) from the new oil tank directly below the notch (62) after switching will flow into the new oil tank.