CN103362596B - Calibration method for engine oil dipstick - Google Patents
Calibration method for engine oil dipstick Download PDFInfo
- Publication number
- CN103362596B CN103362596B CN201310309913.7A CN201310309913A CN103362596B CN 103362596 B CN103362596 B CN 103362596B CN 201310309913 A CN201310309913 A CN 201310309913A CN 103362596 B CN103362596 B CN 103362596B
- Authority
- CN
- China
- Prior art keywords
- oil
- engine
- pressure
- engine oil
- speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention relates to a calibration method for an engine oil dipstick. The method is used for calibrating the filling amount of engine oil when an engine is at the maximum oblique position. The method uses mobile pressure measuring equipment to measure engine oil pressure distribution when a vehicle is on a maximum climbing slope, measure hot idle speed under the condition of the maximum slope and respectively measure an up-slope state and a down-slope state. Pressure measuring points are distributed in a main oil passage and a cylinder head end oil passage. Eight to ten measuring points are evenly distributed for the rotating speed of the engine from the idle speed to the maximum rotating speed. The calibration method for the engine oil dipstick has the advantages that the normal operation of the engine is guaranteed and the testing and development costs are saved.
Description
Technical field
The present invention relates to technical field of internal combustion engines, relate to the scaling method of engine oil scale specifically.
Background technology
Lubricating system is the important component part of engine, and its duty directly affects the performance quality of engine.This just requires to determine a suitable machine oil adding amount to engine.Ensure that sump strainer oil suction is stablized, lubricating oil pump pump oil is good, and lubrication system works is normal.Therefore, except the dipstick carrying out engine water mean place is demarcated, under also should carrying out certain angle of inclination, the demarcation of engine oil scale.But due to the restriction of equipment, be difficult to carry out this test.Therefore, existing neither one effectively can solve the problem that engine oil scale is demarcated.
Summary of the invention
The object of this invention is to provide a kind of technical scheme of scaling method of engine oil scale, can be demarcated the minimum fuel of engine by the technical program, to meet the normal work of engine lubrication system.
The present invention is achieved by the following technical solutions:
The scaling method of engine oil scale,
At the upper and lower scale mark of the indoor preliminary demarcation of engine motor oil, 8-10 measurement point is set at main oil gallery to the head end oil duct of engine, measurement point arranges pressure measuring device;
Engine is placed in horizontal level, is added to by machine oil and descends scale most, ato unit keeps stable, and under measuring stable situation, machine oil distributes, record engine speed, main oil gallery oil temperature, main oil gallery engine oil pressure and head end oil duct engine oil pressure; Then gradually reducing oil level, is basic lower dead center in the last machine oil position keeping engine speed, main oil gallery oil temperature, main oil gallery engine oil pressure and head end oil duct engine oil pressure stable;
Carrying out maximum engine speed measurement, keeping the minimum oil level of engine oil chamber under the pressure same case of each measurement point for using lower dead center;
Add machine oil to using lower dead center, vehicle with this engine is placed in upward slope direction, ramp, measure the engine oil pressure under same rotational speed and oil temperature, pressure curve under continuous record rated speed, observe the pressure changing of each measurement point of machine oil, significantly change if engine oil pressure has, add machine oil duplicate measurements, until engine oil pressure is stablized; Measure the position of now engine oil chamber inner engine oil;
By the method measuring upward slope direction, measure direction of fall, measure the position of engine oil chamber inner engine oil now;
Machine oil position during contrast descending and machine oil position when going up a slope, the low person in position is the bottom dead center position of machine oil.
Pressure measuring device is movement pressure measurement device.
Upward slope orientation measurement is the measurement under the maximum climbing slope of vehicle.
Engine is that the minimum engine oil pressure in cylinder cap place should be greater than 50KPa at the minimum oil level of upward slope or direction of fall.
Engine oil pressure after hot idling time in the maximum climbing gradient of vehicle is equal to engine oil pressure after the hot idling that vehicle is positioned on level ground.
The invention has the beneficial effects as follows:
Patent of the present invention is applicable to the demarcation of the dipstick in engine lubrication system test, determines the machine oil adding amount when extreme position, method simple practical, avoids the test disappearance that equipment deficiency is brought.For the normal operation of engine provides guarantee, save pilot development cost.
Detailed description of the invention
Describe technical scheme of the present invention in detail below by way of specific embodiment, should be understood that, following embodiment is only exemplary, only can be used for explaining and technical scheme of the present invention being described, and can not be interpreted as being the restriction to technical solution of the present invention.
At the upper and lower scale mark of the indoor preliminary demarcation of engine motor oil, at main oil gallery to the head end oil duct of engine, 8-10 measurement point is evenly set, also can increase or reduce measurement as required to count, but all can not reach the effect of the measurement point of 8-10 described in the application, because, if not only increase cost more than 10 measurement points, and data are numerous and diverse.Other pressure measuring device measurement point arranges movement pressure measurement device, because cannot reach the pressure measxurement effect of movement pressure measurement device when mobile.
Engine is placed in horizontal level, is added to by machine oil and descends scale most, ato unit keeps stable, and under measuring engine idle situation, machine oil distributes, record engine speed, main oil gallery oil temperature, main oil gallery engine oil pressure and head end oil duct engine oil pressure; Then oil level is gradually reduced, the last machine oil position stable at maintenance engine speed, main oil gallery oil temperature, main oil gallery engine oil pressure and head end oil duct engine oil pressure is basic lower dead center, because pressure of each measurement point will occur large change after having crossed this point; Concrete metering system is the oil level of the former oil mass-minimizing added, and the position that the inherent engine oil chamber of the engine oil level obtained being rejoined sky obtains is home position point.
Carrying out maximum engine speed measurement, keeping the minimum oil level of engine oil chamber under the pressure same case of each measurement point for using lower dead center; Use the metering system of lower dead center identical with the measurement in engine idle situation.
The pressure of engine each measurement point under idle conditions should be identical with the pressure of measurement point each under maximum (top) speed.
Add machine oil to using lower dead center, upward slope direction when the vehicle with this engine being placed in ramp maximum climbing slope, measure the engine oil pressure under same rotational speed and oil temperature, same rotational speed herein refer to the speed of engine when same level position under idle conditions and at horizontal level time maximum engine speed under speed identical.That is, the measurement comprised when carrying out ruling grade upward slope orientation measurement under idle conditions also comprises the measurement in maximum (top) speed situation.Pressure curve under continuous record rated speed, observes the pressure changing of each measurement point of machine oil, significantly changes if engine oil pressure has, and adds machine oil duplicate measurements, until engine oil pressure is stablized; Measure the position of now engine oil chamber inner engine oil, the position of engine oil chamber inner engine oil when the position of this engine oil chamber inner engine oil comprises position and the maximum engine speed of engine oil chamber inner engine oil under idle conditions.
Engine oil pressure after hot idling time in the maximum climbing gradient of vehicle is equal to engine oil pressure after the hot idling that vehicle is positioned on level ground.
Now the account form of position be oil level when the oil level of oil level+interpolation when using lower dead center is obtained idling respectively and maximum (top) speed time oil level.The amount of these machine oil is added the liquid level position of engine oil chamber after new engine.
By the method measuring upward slope direction, measure direction of fall, measure the position of engine oil chamber inner engine oil now;
Machine oil position during contrast descending and machine oil position when going up a slope, position the lowest is the bottom dead center position of machine oil.
It should be noted that engine is that the minimum engine oil pressure in cylinder cap place should be greater than 50KPa at the minimum oil level of upward slope or direction of fall.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (5)
1. the scaling method of engine oil scale, is characterized in that:
At the upper and lower scale mark of the indoor preliminary demarcation of engine motor oil, 8-10 measurement point is set at main oil gallery to the head end oil duct of engine, measurement point arranges pressure measuring device;
Engine is placed in horizontal level, is added to by machine oil and descends scale most, ato unit keeps stable, and under measuring stable situation, machine oil distributes, record engine speed, main oil gallery oil temperature, main oil gallery engine oil pressure and head end oil duct engine oil pressure; Then gradually reducing oil level, is basic lower dead center in the last machine oil position keeping engine speed, main oil gallery oil temperature, main oil gallery engine oil pressure and head end oil duct engine oil pressure stable;
Carrying out maximum engine speed measurement, keeping the minimum oil level of engine oil chamber under the pressure same case of each measurement point for using lower dead center;
Add machine oil to using lower dead center, vehicle with this engine is placed in upward slope direction, ramp, measure the engine oil pressure under same rotational speed and oil temperature, pressure curve under continuous record rated speed, observe the pressure changing of each measurement point of machine oil, significantly change if engine oil pressure has, add machine oil duplicate measurements, until engine oil pressure is stablized; Measure the position of now engine oil chamber inner engine oil;
Described same rotational speed refer to the speed of engine when same level position under idle conditions and at horizontal level time maximum engine speed under speed identical;
Pressure curve under described continuous record rated speed, refers to when carrying out measuring under above-mentioned same rotational speed, the curve that the force value when carrying out oil level and reducing measured by each measurement point is formed;
By the method measuring upward slope direction, measure direction of fall, measure the position of engine oil chamber inner engine oil now;
Machine oil position during contrast descending and machine oil position when going up a slope, the low person in position is the bottom dead center position of machine oil.
2. the scaling method of engine oil scale according to claim 1, is characterized in that: pressure measuring device is movement pressure measurement device.
3. the scaling method of engine oil scale according to claim 1, is characterized in that: upward slope orientation measurement is the measurement under the maximum climbing slope of vehicle.
4. the scaling method of engine oil scale according to claim 1, is characterized in that: engine is that the minimum engine oil pressure in cylinder cap place should be greater than 50KPa at the minimum oil level of upward slope or direction of fall.
5. the scaling method of engine oil scale according to claim 3, is characterized in that: the engine oil pressure after hot idling time in the maximum climbing gradient of vehicle is equal to engine oil pressure after the hot idling that vehicle is positioned on level ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310309913.7A CN103362596B (en) | 2013-07-23 | 2013-07-23 | Calibration method for engine oil dipstick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310309913.7A CN103362596B (en) | 2013-07-23 | 2013-07-23 | Calibration method for engine oil dipstick |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103362596A CN103362596A (en) | 2013-10-23 |
| CN103362596B true CN103362596B (en) | 2015-03-25 |
Family
ID=49364755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310309913.7A Active CN103362596B (en) | 2013-07-23 | 2013-07-23 | Calibration method for engine oil dipstick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103362596B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074570B (en) * | 2014-07-22 | 2016-04-27 | 安徽江淮汽车股份有限公司 | A kind of oil level gauge of engine calibrating platform with two dimension regulatory function |
| CN105545410B (en) * | 2015-12-16 | 2018-03-02 | 重庆长安汽车股份有限公司 | A kind of Lubricant of Automobile Engine fills method for determination of amount |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3990307A (en) * | 1973-05-22 | 1976-11-09 | Societe Anonyme D.B.A. | Liquid level measuring and indicating apparatus |
| US4522170A (en) * | 1984-04-30 | 1985-06-11 | Champion Spark Plug Company | Low engine oil sensing method |
| KR20090021802A (en) * | 2007-08-28 | 2009-03-04 | 현대자동차주식회사 | A engine oil measuring apparatus for a vehicle and the measuring method thereof |
| CN201865722U (en) * | 2010-12-03 | 2011-06-15 | 山东理工大学 | Oil ruler for controlling adding quantity of engine oil |
| CN202202922U (en) * | 2011-08-05 | 2012-04-25 | 广西玉柴机器股份有限公司 | Machine oil monitoring device for research and development test of engine |
-
2013
- 2013-07-23 CN CN201310309913.7A patent/CN103362596B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3990307A (en) * | 1973-05-22 | 1976-11-09 | Societe Anonyme D.B.A. | Liquid level measuring and indicating apparatus |
| US4522170A (en) * | 1984-04-30 | 1985-06-11 | Champion Spark Plug Company | Low engine oil sensing method |
| KR20090021802A (en) * | 2007-08-28 | 2009-03-04 | 현대자동차주식회사 | A engine oil measuring apparatus for a vehicle and the measuring method thereof |
| CN201865722U (en) * | 2010-12-03 | 2011-06-15 | 山东理工大学 | Oil ruler for controlling adding quantity of engine oil |
| CN202202922U (en) * | 2011-08-05 | 2012-04-25 | 广西玉柴机器股份有限公司 | Machine oil monitoring device for research and development test of engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103362596A (en) | 2013-10-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9404403B2 (en) | Engine oil level monitoring systems and methods | |
| CN103362596B (en) | Calibration method for engine oil dipstick | |
| CN103790688A (en) | Engine and control method and system for cooling jet of engine | |
| CN108150300A (en) | A kind of modification method and device of Diesel NOx original row model value | |
| CN202202922U (en) | Machine oil monitoring device for research and development test of engine | |
| CN103675001B (en) | The cooling system of a kind of thermal shock and thermal fatigue strength examination | |
| CN103277168A (en) | Engine and oil consumption detecting device and method thereof | |
| CN103765000A (en) | Method for analyzing the efficiency of the high-pressure pump of a fuel injection system | |
| CN104154963A (en) | Real-time measuring method for engine lubricating oil consumption | |
| CN103954453A (en) | Method and device for measuring service life of diesel engine based on cylinder liner wear | |
| CN107831018B (en) | A kind of burning recognition methods and device | |
| CN107120781A (en) | The cooling system adjustment control method of evaporating type condensing air-conditioner set | |
| EP2748447B1 (en) | Method and apparatus for controlling knock in an internal combustion engine | |
| CN102192837B (en) | Dilute oil lubricating bearing seat test system and test method thereof | |
| CN105571871A (en) | On-line diagnosis method for non-uniformity for working of diesel engine | |
| CN105571873A (en) | Dual-opposed two-stroke engine external characteristic calibration method | |
| KR101294186B1 (en) | Method and system for managing oil-level for vehicle | |
| CN203534452U (en) | Tappet undersurface height difference detecting tool | |
| CN105203329A (en) | Method for evaluating working condition of engine lubrication system | |
| CN113418818A (en) | Engine oil dilution measuring method of high-pressure direct injection gasoline engine | |
| CN105628392B (en) | A kind of calculation method of start stop system rate of economizing gasoline | |
| CN208364202U (en) | Engine motor oil liquid level sensor arrangement apparatus | |
| RU140299U1 (en) | STAND FOR FUEL INJECTOR TESTS | |
| CN108519237B (en) | Test system for measuring inflation efficiency of each cylinder of multi-cylinder internal combustion engine | |
| CN201083607Y (en) | Simple electronic fuel injection engine oil consumption measuring apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| CP02 | Change in the address of a patent holder |
Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230022 No. 176 Dongliu Road, Hefei City, Anhui Province Patentee before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
|
| CP02 | Change in the address of a patent holder |