CN111664905A - Diesel engine oil consumption measuring device, measuring method and application - Google Patents
Diesel engine oil consumption measuring device, measuring method and application Download PDFInfo
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- CN111664905A CN111664905A CN202010569753.XA CN202010569753A CN111664905A CN 111664905 A CN111664905 A CN 111664905A CN 202010569753 A CN202010569753 A CN 202010569753A CN 111664905 A CN111664905 A CN 111664905A
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- container
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- engine oil
- liquid level
- diesel engine
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F9/00—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine
- G01F9/001—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine with electric, electro-mechanic or electronic means
- G01F9/003—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine with electric, electro-mechanic or electronic means by measuring the weight
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
Abstract
In order to solve the problem that the measurement result of the measurement device for the oil consumption of the diesel engine in the prior art is inaccurate due to large liquid level area and liquid level vibration of the diesel engine, the invention provides a measurement device for the oil consumption of the diesel engine, a measurement method and application, wherein the measurement device comprises a container, a magnetostrictive liquid level meter sensor, an oil discharge pipeline arranged at the bottom of the container, a continuously running oil pressure pump pipeline and an oil return pump pipeline; the top of the container is provided with an oil filling hole; the input end of the pressure oil pump pipeline is connected with the diesel engine, and the output end of the pressure oil pump pipeline is connected with the top of the container; the input end of the oil return pump pipeline is connected with the container, and the output end of the oil return pump pipeline is connected with the diesel engine; the magnetostrictive liquid level meter sensor is arranged at the top end of the container and used for measuring the height of the engine oil in the container; wherein the cross-section of the upper part of the container is smaller than the cross-section of the bottom part. The invention has the advantages of short measuring time and accurate measuring result.
Description
Technical Field
The invention relates to the technical field of diesel engine auxiliary devices, in particular to a device and a method for measuring the oil consumption of a diesel engine and application of the device and the method.
Background
The engine oil consumption measurement belongs to an important measurement index in engine performance tests, excessive engine oil consumption wastes resources, the emission of carbon particles is increased after excessive engine oil is combusted, and less engine oil consumption is a necessary development trend later. But a set of accurate measuring devices is needed, and certain technical support is provided for reducing the consumption of the engine oil. In the prior art, the methods for measuring the engine oil consumption of the engine mainly comprise the following steps: 1. the SO2 tracing method has high precision, but the equipment is expensive; 2. the liquid level of the oil pan is calibrated, and the oil consumption is obtained by observing the liquid level change, so that the method is complicated, the liquid level of the oil pan needs to be calibrated, and errors are easy to occur; 3. the radioactive substance tracing method has high precision, but has short radioactive decay period, no domestic manufacturer, and the harm to human body needs to be investigated, so the method cannot be popularized and used in a large area; 4. by adopting a national standard oil drainage method, the liquid level change of an oil pan or an oil tank is observed by naked eyes, the liquid level change is not obvious due to less engine oil consumption, and the error is larger by observing the liquid level change by the naked eyes. In order to improve the design, the liquid level is changed in detail by adopting a variable cross section, and in order to increase the precision of liquid level measurement, the liquid level change is measured by adopting an electromagnetic liquid level meter.
The content of the content is currently determined from published materials, such as authorization notice numbers: CN 103277168A 'an engine and its oil consumption detection device and method', the invention, the oil consumption detection device includes a detection element, a control element and a display element; the detection element detects the depth of the engine oil and transmits a detected depth signal to the control element; the control element receives the depth signal and calculates the oil consumption according to the detected depth signal and a pre-stored calculation formula, but the diesel engine has large liquid surface area and variable liquid surface vibration and the oil liquid surface section condition causes inaccurate measurement.
Disclosure of Invention
In order to solve the problem that a measuring result of a measuring device for the oil consumption of the diesel engine in the prior art is inaccurate due to large liquid level area and liquid level vibration of the diesel engine, the invention provides the measuring device, the measuring method and the application for the oil consumption of the diesel engine, and the technical problem can be effectively solved.
The diesel engine oil consumption measuring device is characterized in that: the device comprises a container, a magnetostrictive liquid level meter sensor, an oil discharge pipeline arranged at the bottom of the container, a pressure oil pump pipeline and an oil return pump pipeline which run continuously; the top of the container is provided with an oil filling hole; the input end of the pressure oil pump pipeline is connected with the diesel engine, and the output end of the pressure oil pump pipeline is connected with the top of the container; the input end of the oil return pump pipeline is connected with the container, and the output end of the oil return pump pipeline is connected with the diesel engine; the magnetostrictive liquid level meter sensor is arranged at the top end of the container and used for measuring the height of the engine oil in the container; wherein the cross-section of the upper part of the container is smaller than the cross-section of the bottom part.
The upper part of the container is also provided with an overflow assembly; the overflow assembly comprises an overflow pipe, a stop valve, a recovered engine oil container and a waterproof printing electronic platform scale; the overflow pipe, the stop valve, the engine oil recovery container and the waterproof printing electronic platform scale are sequentially connected end to end on the container.
A measuring method using the multifunctional engine oil consumption device of the diesel engine as set forth in claim 1, characterized in that: the method comprises the following steps:
firstly, adding engine oil with equal mass into a container in batches, and measuring liquid level change data through a magnetostrictive liquid level meter sensor; then, according to the ratio of the total amount of the added engine oil to the corresponding liquid level change data, calculating a coefficient; and finally, after the engine oil measurement is finished, dividing the liquid level data of the magnetostrictive liquid level meter sensor by the coefficient to obtain the oil consumption.
A measuring method of a multifunctional engine oil consumption device of a diesel engine is characterized in that: the method comprises the following steps:
firstly, adding a certain amount of engine oil into a container through an oil filling hole, and recording liquid level data of a sensor of a magnetostrictive liquid level meter as initial data;
then, after the diesel engine is stopped and the oil level is stable, weighing a certain amount of oil to be added into the container through the oil filling hole; and continuously and repeatedly adding weighed engine oil to each time, and adding the mass of all the added engine oil together when the data indicated in the magnetostrictive liquid level meter sensor is consistent with the initial data to obtain the consumption of the engine oil.
A measuring method of a multifunctional engine oil consumption device of a diesel engine is characterized in that: the method comprises the following steps:
firstly, opening a stop valve, enabling the engine oil in a container to flow into a recovered engine oil container through an overflow pipe, and measuring the quality of the engine oil in the recovered engine oil container through a waterproof printing electronic platform scale to obtain initial data;
then, closing the stop valve, and pouring the engine oil in the recovered engine oil container into the container again;
after the diesel engine works for a period of time, opening the stop valve again, enabling the engine oil in the container to flow into the recovered engine oil container through the overflow pipe, and measuring the quality of the engine oil in the recovered engine oil container through the waterproof printing electronic platform scale to obtain data after operation;
and finally, performing difference on the operated data and the initial data to obtain the engine oil consumption.
Has the advantages that: the invention adopts the variable cross-section design, the cross section of the upper part of the device is small, the liquid level change is obvious, the measurement range is large, the problems of large liquid level area and liquid level vibration of the diesel engine are solved, and the measurement can be completed without the need of long startup running time of the diesel engine. The invention adopts the magnetostrictive liquid level meter sensor to measure the liquid level change, and the coefficient is obtained according to the ratio of the total amount of the added engine oil and the corresponding liquid level change data, thereby finally obtaining the oil consumption, having short measuring time and accurate measuring result.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: 1. a magnetostrictive level gauge sensor; 2. an oil filling hole; 3. an overflow pipe; 4. a stop valve; 5. a recovered engine oil container; 6. waterproof printing electronic platform scale; 7. a drain valve line; 8. a liquid level meter; 9. an oil return pump line; 10. a pressure oil pump pipeline; 11. a diesel engine; 12. a container.
In fig. 1, the broken line in the container 12 is oil.
Detailed Description
The invention is described in further detail below with reference to the figures and the examples. It should be understood that the specific embodiments described herein are illustrative of the invention and are not limiting of the scope of the invention.
As shown in fig. 1, the device for measuring the consumption of the diesel engine oil comprises a container 12, a magnetostrictive liquid level meter sensor 1, a continuously running oil-pressing pump pipeline 10 and an oil-returning pump pipeline 9; the top of the container 12 is provided with an oil filling hole 2; the input end of the pressure oil pump pipeline 10 is connected with the diesel engine 11, and the output end of the pressure oil pump pipeline is connected with the top of the container 12; the input end of the oil return pump pipeline 9 is connected with a container 12, and the output end of the oil return pump pipeline is connected with a diesel engine 11; wherein, the magnetostrictive liquid level meter sensor 1 is arranged at the top end of the container 12 and is used for measuring the height of the engine oil in the container 12; wherein the cross-section of the upper part of the container 12 is smaller than the cross-section of the bottom part.
The oil pump in the hydraulic pump line 10 draws oil from the oil pan of the diesel engine 11 into the reservoir 12. In order to facilitate observation of the oil level when adding the oil, the liquid level meter 8 is arranged on the side surface of the container 12, the bottom of the container 12 is provided with an oil drain valve pipeline 7 for facilitating oil drainage, the upper part of the container 12 is provided with an overflow pipe 3 and a stop valve 4, and the lower parts of the overflow pipe 3 and the stop valve 4 are provided with a recovered oil container 5 and a waterproof printing electronic platform scale 6 for facilitating weighing of the oil flowing out of the container 12; the magnetostrictive liquid level meter sensor 1 is arranged at the top of the container 12, so that the change of oil consumption of engine oil can be conveniently measured, and an oil filling hole 2 is arranged so that the engine oil can be conveniently added; meanwhile, the oil filling hole 2 also has the function of a vent; the engine oil in the container 12 is delivered to the diesel engine 11 by the hydraulic oil pump in the hydraulic oil pump pipeline 9, and the engine oil circulation is completed.
As is well known, the conventional engine oil measurement directly measures the change of the engine oil consumption of the oil pan, and the sectional area of the oil pan is large and the sectional area changes inconsistently, so that the time required for starting up the diesel engine is long when the engine oil is measured, a large amount of resources such as fuel oil, lubricating oil, water and electricity are wasted, and the pollution to the environment is increased. Meanwhile, the traditional method needs to read the number of oil drops per minute, the waiting time is long due to high viscosity of the engine oil, the viscosity of the engine oil is increased due to the temperature reduction of the engine oil after the diesel engine is stopped, and the whole measuring process consumes long time.
Even if an authorization notice number is used: the technical scheme in CN 103277168A "engine and engine oil consumption detection device and method thereof" also cannot be applied to the situation that the section of the diesel engine is complicated and variable.
To illustrate the different cross-sections of diesel engines, the following specific examples are provided for illustration.
Specific example I: the diesel engine oil consumption measuring device is a method for measuring the oil consumption under the condition of the liquid level with the equal section.
Firstly, adding engine oil with equal mass into a container 12 in a plurality of times, and measuring liquid level change data through a magnetostrictive liquid level meter sensor 1;
then, according to the ratio of the total amount of the added engine oil to the corresponding liquid level change data, calculating a coefficient;
and finally, after the engine oil measurement is finished, the oil consumption is obtained by dividing the liquid level data of the magnetostrictive liquid level meter sensor 1 by the coefficient.
Such as: before the measurement, the magnetostrictive level gauge sensor 1 was zeroed, and the average coefficient was determined to be 5 by 5 refuelings in total, and after the measurement was completed, the oil consumption was 10/5-2 in the data 10 recorded by the magnetostrictive level gauge sensor 1.
Specific example II: the diesel engine oil consumption measuring device is a measuring method for the oil consumption under the condition of unequal cross-section liquid levels.
Before measuring the oil consumption, the magnetostrictive level gauge sensor 1 data is recorded, after the end of the measurement, the oil is added to the batch container 12 and the mass of the added oil is recorded until the magnetostrictive level gauge sensor 1 records the data. The sum of the masses of the engine oils added at this time is the amount of the engine oil consumed.
Such as: before measuring the oil consumption, the magnetostrictive level gauge sensor 1 is recorded to show 5, after the end of the measurement, the oil is added in 6 portions and the amount of oil added is recorded each time until the magnetostrictive level gauge sensor 1 shows 5, the total amount of oil added is 2, and the oil consumption is 2.
Specific example III: in the actual production process, in order to save cost, the magnetostrictive liquid level meter sensor 1 can not be arranged in the diesel engine oil consumption measuring device. In this case, the measurement method for the diesel engine oil consumption measurement is:
firstly, opening a stop valve 4, enabling the engine oil in a container 12 to flow into a recovered engine oil container 5 through an overflow pipe 3, and measuring the quality of the engine oil in the recovered engine oil container 5 through a waterproof printing electronic platform scale 6 to obtain initial data;
then, the stop valve 4 is closed, and the engine oil in the recovered engine oil container 5 is poured into the container 12 again;
after the diesel engine 11 works for a period of time, the stop valve 4 is opened again, the engine oil in the container 12 flows into the recovered engine oil container 5 through the overflow pipe 3, the quality of the engine oil in the recovered engine oil container 5 is measured through the waterproof printing electronic platform scale 6, and the data after operation are obtained;
and finally, performing difference on the operated data and the initial data to obtain the engine oil consumption.
Such as: before the measurement, the engine oil amount is measured to be 5, and after the diesel engine 11 is operated for a certain period of time, the engine oil amount is measured to be 3, and the difference between the two is 5-3-2, which is the engine oil consumption.
It is to be understood that:
the shape of the container 12 is shown in fig. 1, and for accurate measurement, the magnetostrictive level gauge sensor 1 is located at the upper part with a smaller cross section, and the change in the mass of the oil is more obvious corresponding to the rise and fall of the liquid level.
The magnetostrictive level gauge sensor 1 described herein may be a smart digital display magnetostrictive level gauge sensor.
The hydraulic pump line 10 and the scavenge pump line 9 described herein are used to circulate oil from a reservoir 12 to the engine oil in the diesel engine 11.
The container 12 described herein is vented to the environment through the filler opening 2, and is otherwise sealed.
All directional descriptions referred to herein shall control fig. 1.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily change or replace the present invention within the technical scope of the present invention. Therefore, the protection scope of the present invention is subject to the protection scope of the claims.
Claims (9)
1. A diesel engine oil consumption measuring device which characterized in that: the device comprises a container (12), a magnetostrictive liquid level meter sensor (1), a pressure oil pump pipeline (10) and an oil return pump pipeline (9) which operate continuously; the top of the container (12) is provided with an oil filling hole (2); the input end of the pressure oil pump pipeline (10) is connected with the diesel engine (11) and the output end of the pressure oil pump pipeline is connected with the top of the container (12); the input end of the oil return pump pipeline (9) is connected with the container (12) and the output end of the oil return pump pipeline is connected with the diesel engine (11);
wherein the magnetostrictive liquid level meter sensor (1) is arranged at the top end of the container (12) and is used for measuring the height of the engine oil in the container (12);
wherein the cross-section of the upper part of the container (12) is smaller than the cross-section of the bottom part.
2. The diesel engine oil consumption measuring apparatus according to claim 1, wherein: the upper part of the container (12) is also provided with an overflow assembly;
the overflow assembly comprises an overflow pipe (3), a stop valve (4), a recovered engine oil container (5) and a waterproof printing electronic platform scale (6);
the overflow pipe (3), the stop valve (4), the engine oil recovery container (5) and the waterproof printing electronic platform scale (6) are sequentially connected end to end and arranged on the container (12).
3. The diesel engine oil consumption measuring apparatus according to claim 1 or 2, characterized in that: a liquid level meter (8) is arranged on the side surface of the container (12).
4. The diesel engine oil consumption measuring apparatus according to claim 1 or 2, characterized in that: the lower part of the container (12) is provided with an oil drain valve pipeline (7).
5. A measuring method using the multifunctional engine oil consumption device of the diesel engine as set forth in claim 1, characterized in that: the method comprises the following steps:
firstly, adding engine oil with equal mass into a container (12) in a plurality of times, and measuring liquid level change data through a magnetostrictive liquid level meter sensor (1);
then, according to the ratio of the total amount of the added engine oil to the corresponding liquid level change data, calculating a coefficient;
and finally, after the engine oil measurement is finished, the oil consumption is obtained by dividing the liquid level data of the magnetostrictive liquid level meter sensor (1) by the coefficient.
6. The application of the multifunctional engine oil consumption measuring method of the diesel engine according to claim 5 to the liquid level of the equal section of the diesel engine.
7. A measuring method using the multifunctional engine oil consumption device of the diesel engine as set forth in claim 1, characterized in that: the method comprises the following steps:
firstly, adding a certain amount of engine oil into a container (12) through an oil filling hole (2), and recording liquid level data of a magnetostrictive liquid level meter sensor (1) as initial data;
then, after the diesel engine (11) is stopped and the oil level is stable, weighing a certain amount of oil to be added into the container (12) through the oil filling hole (2); and continuously and repeatedly adding weighed engine oil to each time, and adding the mass of all the added engine oil together when the data indicated in the magnetostrictive liquid level meter sensor (1) is consistent with the initial data to obtain the consumption of the engine oil.
8. The application of the multifunctional engine oil consumption measuring method of the diesel engine according to claim 7 to the liquid level of the unequal cross sections of the diesel engine.
9. A measuring method using the multifunctional engine oil consumption device of the diesel engine as set forth in claim 2, characterized in that: the method comprises the following steps:
firstly, opening a stop valve (4), enabling the engine oil in a container (12) to flow into a recovered engine oil container (5) through an overflow pipe (3), and measuring the quality of the engine oil in the recovered engine oil container (5) through a waterproof printing electronic platform scale (6) to obtain initial data;
then, closing the stop valve (4), and pouring the engine oil in the recovered engine oil container (5) into the container (12) again;
after the diesel engine (11) works for a period of time, the stop valve (4) is opened again, the engine oil in the container (12) flows into the recovered engine oil container (5) through the overflow pipe (3), the quality of the engine oil in the recovered engine oil container (5) is measured through the waterproof printing electronic platform scale (6), and data after operation are obtained;
and finally, performing difference on the operated data and the initial data to obtain the engine oil consumption.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010569753.XA CN111664905A (en) | 2020-06-20 | 2020-06-20 | Diesel engine oil consumption measuring device, measuring method and application |
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| CN202010569753.XA CN111664905A (en) | 2020-06-20 | 2020-06-20 | Diesel engine oil consumption measuring device, measuring method and application |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761753A (en) * | 2021-01-14 | 2021-05-07 | 东风商用车有限公司 | Engine oil accurate filling mechanism of engine and filling method thereof |
| US20220172526A1 (en) * | 2020-11-30 | 2022-06-02 | Toyota Jidosha Kabushiki Kaisha | Controller, vehicle, storage medium, and operation method of controller |
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2020
- 2020-06-20 CN CN202010569753.XA patent/CN111664905A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220172526A1 (en) * | 2020-11-30 | 2022-06-02 | Toyota Jidosha Kabushiki Kaisha | Controller, vehicle, storage medium, and operation method of controller |
| US11624301B2 (en) * | 2020-11-30 | 2023-04-11 | Toyota Jidosha Kabushiki Kaisha | Controller, vehicle, storage medium, and operation method of controller |
| CN112761753A (en) * | 2021-01-14 | 2021-05-07 | 东风商用车有限公司 | Engine oil accurate filling mechanism of engine and filling method thereof |
| CN112761753B (en) * | 2021-01-14 | 2022-04-29 | 东风商用车有限公司 | Engine oil accurate filling mechanism of engine and filling method thereof |
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