RU175045U1 - DEVICE FOR DETERMINING OIL CONSUMPTION ON A SHOCK IN ICE - Google Patents

Abstract

The utility model relates to the field of mechanical engineering, and can be used to determine oil consumption for waste during testing of internal combustion engines. A device for determining the oil consumption for burning in ICE contains an engine tray (1) mounted on a test bench (2) with an engine plate, connecting hoses (3), (4), (5), (6), (7), an oil meter a device with a scale made in the form of a telescope (8), a measuring head (9), a measuring tube (10) with a drain trough (11). The telescope (8) is fixed to the measuring head (9) through a screw clamp (12), and the measuring head (9) is fixed in a vertical position by means of nuts (14), (15), which are adjustable on the stand (13). The measuring head (9) is mounted on a stand (13) with the possibility of vertical movement. The measuring head (9) and measuring tube (10) are connected by connecting hoses (4), (5) through a pipe (16) to the connecting hose of the engine sump (1). To visually determine the position of the measuring head (9) on the stand (13) and the oil intake (19) on the stand (18) in height, a vertical scale is fixed on the base (17). A height-adjustable oil intake (19.) is installed on the stand (18). In addition, the device has an electrically controlled oil pump (20) connected to the sump (1) by connecting hoses (3) and (7). A special probe (21) is installed in the boss of the pan (1). In the block of connections (22) there are electromagnetic valves (23), (24), (25), (26), (27), which are controlled through the control unit (28). An electronic balance (29) for weighing the drained oil and a pressure sensor (30) are installed on the connection block (22), while a measuring vessel (31) is located opposite the edge of the drain trough (11). The problem was solved of increasing the accuracy of measuring the oil level and oil consumption for burning in ICE.

Description

The utility model relates to the field of mechanical engineering, and can be used to determine oil consumption for waste during testing of internal combustion engines.

A known method of determining oil flow in internal combustion engines, which uses a device containing a crankcase of an internal combustion engine through a sleeve screwed into the hole of its bottom, communicated by tubes having shut-off valves, with a tank that is mounted on a fixed stand (see patent for Su invention No. 99612, IPC G01F 23/20, published in Bulletin No. 12 for 1954).

A device for measuring the liquid level is known, containing a calibrated measuring vessel communicating with a flexible tube with a controlled capacity and mounted on a force measuring element, while the force measuring element is made in the form of a piezoelectric bimorph plate cantilever mounted on a movable support, fed from a stable frequency generator and connected to a compensation circuit measurement, the actuator of which is made in the form of a worm shaft rotated by a reversible motor (see patent for invention Su No. 742856, IPC ² G01F 23/20, published on 06/25/1980)

A device for measuring oil flow, comprising a circulating oil tank, a measuring tank with scales, a pump and a system of pipelines connecting the circulating and measuring tanks, while the circulating oil tank is made of two sections connected by a narrow neck, in which a drain pipe has a pipe siphon shape (see patent for invention Su No. 488988, IPC G01F 3/00, published October 25, 1975)

A device for determining the flow rate of oil in an internal combustion engine, comprising a measuring tube communicating with the crankcase, a quick coupler for connecting to the crankcase and a shut-off valve, a bellows located between the drain pipe and the shut-off valve, the bellows is enclosed in a cylindrical casing, the upper part of which made movable relative to the bottom (see patent for the invention Su No. 410255, IPC G01F 3/20, published 05.01.1974).

A device for determining oil consumption for burnout in an internal combustion engine containing a measuring vessel mounted on a weighing device and connected to the oil reservoir through the first pump for continuously pumping oil from the measuring vessel into the reservoir and through a second pump of higher capacity for continuously pumping oil from the tank into measuring vessel, while the intake pipe of the second pump is made with one intake hole and installed with the possibility of movement inside the tank relative to the level of in it by means of a drive mechanism and with the possibility of fixation by means of a fixing unit, a rarefaction sensor connected to the internal cavity of the intake pipe and connected to the input of the control unit, the outputs of which are connected to the drive mechanism for moving the intake pipe and the fixing unit (see patent for the invention No. 2027032, IPC F01M 11/10 (1995.01), G01M 15/00 (1995.01), G01F 9/00 (1995.01), published January 20, 1995).

The prototype of the claimed technical solution according to the set of essential features and the achieved technical result is a device for determining the oil level in the internal combustion engine on the test bench, containing the engine sump mounted on the test bench, connecting hoses and a valve installed in the sump boss, an oil measuring device with a scale, measuring a container, a measuring head mounted on a rack with the possibility of vertical movement, on which a measuring tube with a drain with a gutter, and an oil measuring device made in the form of a telescope, connected by connecting hoses through a tee to the connecting hose of the engine tray, in addition, a bracket with a horizontal bar pivotally mounted on it is attached to the measuring head (see Utility Model Patent No. 170731, IPC G01M 15/04 (2006.01), G01F 23/02 (2006.01), G01F 23/20 (2006.01), G01F 9/00 (2006.01), published on 05/04/2017).

Known solutions in most cases do not have sufficient measurement accuracy. In addition, it is not possible to carry out automation of measuring the determination of oil consumption for waste by partial discharge both when the engine is stopped and when it is operating in stationary mode.

The objective of this utility model is to increase the accuracy of measuring the oil level and oil consumption for burning in ICE.

This object is achieved in that a device for determining oil consumption for burnout in an internal combustion engine, containing an engine sump mounted on a test bench, connecting hoses, an oil measuring device with a scale, a measuring tank, a measuring head mounted on a rack with the possibility of vertical movement, on which is fixed a measuring tube with a drain trough and an oil measuring device made in the form of a telescope, connected by connecting hoses through a tee to a connecting hose the engine bottom, additionally contains an oil intake mounted on a rack and adjustable in height, an electrically controlled oil pump connected to the sump through connecting hoses, a special probe installed in the sump boss, electromagnetic valves connected through connecting hoses to the connection block, electronic scales for weighing the drained oil, in addition, a pressure sensor is located on the connection block.

The set of distinctive features, namely, that the device for determining oil consumption for burning in ICE additionally contains an oil intake mounted on a rack and adjustable in height, an electrically controlled oil pump connected to the sump through connecting hoses, a special probe installed in the sump boss, electromagnetic valves connected through connecting hoses to the connection block, electronic scales for weighing the drained oil, in addition, there is a pressure sensor on the connection block, pos. olyaet ensure the required accuracy of measurement of level of oil in the sump engine.

An analysis of the known technical solutions carried out according to the scientific, technical and patent documentation showed that the set of essential features of the claimed technical solution is not known from the prior art, therefore, it meets the patentability condition of the utility model “novelty”.

The utility model is illustrated by the following drawings:

FIG. 1 - A device for determining oil consumption for burning in the ICE pan, general view;

FIG. 2 is the same view when pre-pumping oil from the sump and partially draining the oil into a container;

FIG. 3 is the same view when pumping oil from the measuring tank;

FIG. 4 is the same view when pumping oil from the sump into an additional external container;

FIG. 5 is the same view when pumping oil from an additional external tank into the pan;

FIG. 6 is the same view when tested.

A device for determining oil consumption for burnout in an internal combustion engine contains an engine tray 1 mounted on a test bench 2 with an engine plate, connecting hoses 3, 4, 5, 6, 7, an oil measuring device with a scale made in the form of a telescope 8, a measuring head 9 , the measuring tube 10 with a drain chute 11. The optical tube 8 is fixed to the measuring head 9 through a screw clamp 12, and the measuring head 9 is fixed in a vertical position by means of nuts 13, 15, which are adjustable on the stand, and the measuring head 9 is installed mounted on a rack 13 with the possibility of vertical movement. The measuring head 9 and the measuring tube 10 are connected by connecting hoses 4, 5 through the pipe 16 with the connecting hose of the engine tray 1.

To visually determine the position of the measuring head 9 on the stand 13 and the oil intake 19 on the stand 18 in height, a vertical scale is fixed on the base 17 (not shown in the drawing), and an arrow pointer (not shown) is fixed to the measuring head 9 and the oil intake 19.

On the rack 18 is installed a height-adjustable oil intake 19. The oil intake 19 is connected by a connecting hose 6 to the connecting hose of the engine sump 1. In addition, the device has an electrically controlled oil pump 20 connected to the sump 1 with connecting hoses 3 and 7. A special probe 21 is installed in the boss of the sump 1, which allows independent drainage, pumping and oil return operations. The probe 21 and the connection block 22 connect the connecting hoses 3 and 7. In the connection block 22 are the electromagnetic valves 23, 24, 25, 26, 27, which are controlled through the control unit 28. Using the electromagnetic valves 23, 24, 25, 26, 27 allows you to carry out actions both manually through the control panel on the computer display, and in automatic modes of the device, that is, provide automation of the measurement process. The block of connections 22 and the control unit 28 are interconnected by connecting pipelines. An electronic balance 29 for weighing the drained oil and a pressure sensor 30 are installed on the connection block 22, and a measuring container 31 is located opposite the edge of the drain trough 11. The control unit 28 for automation of tests has the ability to connect to a bench computer (not shown).

The device operates as follows.

When filling the engine tray 1 with oil, the sealed container 32 is in the open state, the measuring head 9 rises along the stand 13 to the upper position, the measuring tank 31 is installed on the electronic scales 29 opposite the edge of the drain trough 11. The position of the oil intake 19 is set on its stand 18 in this way so that its lower part is approximately 3 mm from the bottom of the measuring vessel 31. The solenoid valve 24 of the connection block 22 opens, oil flows through the connecting hoses 3, 4, 5, and takes level according to the principle of communicating vessels in the measuring tube 10 of the measuring head 9 and the pre-installed optical tube 8. To visualize the actual oil level in the engine tray 1, nuts 14 and 15 loosen and the measuring head 9 slowly moves down. As soon as the surface of the oil appears on the upper cut of the measuring tube 10, the position of the measuring head 9 is fixed by nuts 14 and 15, in addition, the optical tube 8 is mounted in the screw clamp 12 so that the oil level in it coincides with the particular value of its scale.

The pumping line is filled and oil is pumped into the measuring tank 31 from the sump 1 at the corresponding positions of the solenoid valves 24, 25, 26. 27 and the pump 20 is turned on until the measuring tank 31 is filled, the signal to turn off the pump can be connected with the limit the weight of the oil on the balance 29. The solenoid valves 23, 24, 25, 26, 27 are controlled by the oil pump 20 through the control unit 28. After filling the measuring tank 31, the solenoid valves 24, 25, 26, 27 occupy the floor In order to ensure that the oil is pumped out of it, the oil pump 20 is turned on and the oil is pumped out to the engine sump 1 so that air intake by the oil intake is excluded 19. Then, the electromagnetic valves 24, 25, 26, 27 occupy the position corresponding to the oil pumping process from the engine sump 1 in additional external tank 17, the oil pump 20 is turned on and the oil is pumped out by one third until it is full, when the condition is reached, the oil pump 20 is turned off. After that, the electromagnetic valves 24, 25, 26, 27 occupy the position corresponding to the process of returning oil to the engine sump 1 from the additional external tank 33, the oil pump 20 is turned on and the oil is pumped out until the air intake is removed during pumping. Add oil to the engine to the selected level.

Determination of oil consumption for waste according to the mass values of partially drained oil before and after engine tests in the selected engine test mode.

The engine warms up to operating temperatures and the oil level in the engine tray 1 is determined in the test mode by the signal of the pressure sensor 30 located on the connection block 22. The engine stops, the electromagnetic valve 23 on the connection block 22 opens in the positions of the electromagnetic valves 24, 25, 26, 27 and the pump 20 is turned on until the measuring tank 31 is full, the signal to turn off the pump can be associated with the limit value of the oil mass on the electronic balance 29. The nuts 14 and 15, measuring g, are loosened Tin 9 moves down. As soon as the oil surface appears on the upper cut of the measuring tube 10, the position of the measuring head 9 is fixed with nuts 14 and 15, in addition, the position of the measuring head 9 is visually determined by the height on the stand 13, the value of the vertical scale is fixed for the possible subsequent use of the height parameter. The electromagnetic valve 23 on the connection block 22 is closed, at the same time the electromagnetic valves 24, 25, 26, 27 occupy the position corresponding to the process of pumping oil out of it, the oil pump 20 is turned on and the oil is pumped into the oil pan 1 so that air intake is prevented by the oil intake 19. Mass the remaining oil on the electronic balance 29 is fixed. The engine starts and runs in the selected mode for a predetermined time, the signal of the pressure sensor 30 located on the connection block 22 is monitored. After a period of operation in the selected mode, the engine stops. The solenoid valve 23 opens and partial oil is drained for a predetermined time from the engine tray 1. The mass of the drained oil is determined on electronic scales 29, the absolute value of the oil consumed by “burnout” is determined by the difference in the masses of the oil drained before and after the engine tests. When determining the average fuel consumption, the percentage of burned oil consumption is calculated.

Determination of oil consumption for waste according to the mass values of partially drained oil during engine tests at the selected stationary mode.

The engine warms up to operating temperatures and the oil level in the engine tray 1 is determined when operating in a stationary test mode according to the signal of the pressure sensor 30 located on the connection block 22. The engine stops, the mass of oil located in the additional external tank 33 is determined. Then the electromagnetic valves 24, 25 , 26, 27 occupy the position corresponding to the process of pumping oil from the engine sump 1 to the additional external tank 33, the oil pump 20 is turned on and the oil is pumped out until s at the sensor 30, the pressure signal will be close to the value obtained during tests on the stationary mode. Visually determines the position of the measuring head 9 in height on the stand 13, the value of the vertical scale is fixed for the possible subsequent use of the height parameter. Then, the electromagnetic valves 24, 25, 26, 27 occupy the position corresponding to the process of pumping oil from the engine sump 1 to the measuring tank 31, the oil pump 20 is turned on and the oil is pumped out until the measuring tank 31 is full. The signal to turn off the pump can be associated with the limit value of the mass oil on the electronic balance 29. The electromagnetic valve 23 on the connection block 22 opens, the nuts 14 and 15 loosen, the measuring head 9 moves down. As soon as the oil surface appears on the upper cut of the measuring tube 10, the position of the measuring head 9 is fixed by nuts 14 and 15, the electromagnetic valve 23 on the connection block 22 is closed, while the electromagnetic valves 24, 25, 26, 27 occupy the position corresponding to the process of pumping oil from the measuring tank 31 . The oil pump 20 is turned on and the oil is pumped into the engine sump 1 so that air intake by the oil intake 19 is excluded. The mass of the remaining oil on the electronic balance 29 is fixed. After that, the electromagnetic valves 24, 25, 26, 27 occupy the position corresponding to the process of returning oil to the engine sump 1 from the additional external tank 33, the oil pump 20 is turned on and the oil is pumped out until the air intake is removed during pumping. The mass of oil located in the additional external tank 33 is determined. The engine crankcase 1 is connected by gas connection to the internal space of the sealed container 32.

The engine starts and runs at the selected stationary mode for a predetermined time, the signal of the pressure sensor 30 located on the connection block 22 is monitored. In this case, the following steps are carried out sequentially: preliminary partial drainage of oil using the oil pump 20 with orientation to the signal of the pressure sensor 30; final partial drainage of oil through the measuring tube 10 with the solenoid valve 23 open; determination of the mass of drained oil in the measuring tank 31 on an electronic balance 29 for a specified period of time; return of drained oil to engine sump 1; determining the mass of the remaining oil in the measuring tank 31 on the electronic balance 29 and determining the difference in masses of the drained and remaining oil.

After the last test step, the engine is stopped. The absolute value of the oil consumption for “waste” for the test period is determined as the average value of the mass difference of the drained and remaining oil, taking into account the mass difference in the additional external tank. After determining the average fuel consumption for the test period, the value of the oil consumption for “waste” in percent is determined

The technical solution allows you to create a device that allows you to increase the accuracy of measuring the oil level on the test bench, in addition, to carry out automated measurements to determine the oil consumption for fumes by the partial drain method both when the engine is stopped and when it is running in stationary mode.

The inventive utility model meets the requirement of industrial applicability, its implementation is possible on standard technological equipment.

Claims (1)

A device for determining oil consumption for burnout in an internal combustion engine, containing an engine sump mounted on a test bench, connecting hoses, an oil measuring device with a scale, a measuring tank, a measuring head mounted on a rack with the possibility of vertical movement, on which a measuring tube with a drain trough is fixed and oil measuring device, made in the form of a telescope, connected by connecting hoses through a tee to the connecting hose of the engine sump, characterized in that It additionally contains an oil intake mounted on a rack and adjustable in height, an electrically controlled oil pump connected to the sump through the connecting hoses, a special probe installed in the sump boss, electromagnetic valves connected through connecting hoses to the connection block, electronic scales for weighing drained oil, except In addition, a pressure sensor is located on the connection block.

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