CN208313980U - A kind of device of precise measurement machine oil air content - Google Patents
A kind of device of precise measurement machine oil air content Download PDFInfo
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- CN208313980U CN208313980U CN201820584567.1U CN201820584567U CN208313980U CN 208313980 U CN208313980 U CN 208313980U CN 201820584567 U CN201820584567 U CN 201820584567U CN 208313980 U CN208313980 U CN 208313980U
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- 239000010721 machine oil Substances 0.000 title claims abstract description 97
- 238000005259 measurement Methods 0.000 title claims abstract description 40
- 239000003921 oil Substances 0.000 claims abstract description 66
- 239000010705 motor oil Substances 0.000 claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 description 7
- 238000011084 recovery Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035772 mutation Effects 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 108700002783 roundabout Proteins 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of devices of precise measurement machine oil air content, it include: for obtaining machine oil from the main oil gallery in oil cooler and holding the closed vessel of machine oil, vessel are equipped with the scale of dosing machine oil volume, and vessel are equipped with the solenoid valve of control with main oil gallery on-off；Vacuum pump for vacuumizing vessel, vacuum pump pass through the blow vent of valve body connector ware；For repeatedly measuring the temperature measuring equipment of vessel inner engine oil temperature, for measuring the pressure gauge of the engine oil pressure in main oil gallery, pressure gauge is set in main oil gallery；And repeatedly the pressure test device of measurement vessel internal pressure power, pressure test device are set in vessel.The utility model temperature measuring equipment can directly measure the temperature of machine oil, and existing air content can be calculated in such a way that the temperature of said engine oil is in conjunction with the volume of machine oil, reliable and stable.
Description
Technical field
The utility model relates to machine-building detection technique fields, contain more specifically to a kind of precise measurement machine oil
The device of tolerance.
Background technique
There is very big harmfulness to machine oil containing impurity such as air in machine oil, the air in machine oil can make machine oil rapid oxidation
It is rotten to generate acidic materials, corrode metal contact surface；Also it can make the additive deposition invalidation in oil liquid；Lubricating oil film thickness can also be made
Degree reduce, Mechanical Contact surface wear aggravation and bring other harm.So to control the gassiness in working environment in machine oil
Amount, however effectively accurately measurement can not be carried out to the air content in machine oil in working environment in the prior art, cause pair
The status of air content is grasped unclear.
Device is more complex in the measurement scheme of the prior art, vibrating head is put into machine oil will cause machine oil volume occur compared with
Big error, in addition, can not obtain in the prior art gas release after machine oil temperature, the temperature of machine oil be by other means into
What row additionally measured, this results in the inconsistency of data, and calculated result is open to suspicion.In the prior art, single to pass through survey
Machine oil volume is measured to calculate the air content of machine oil, this is a kind of round-about way, and calculated air content result correctness is difficult
With determination.
It is that current those skilled in the art need to solve in conclusion how to measure the air content in working environment in machine oil
Certainly the problem of.
Utility model content
In view of this, the purpose of the utility model is to provide a kind of device of precise measurement machine oil air content, the device energy
The air content in existing in working environment is enough measured, and can guarantee the order of accuarcy of measurement.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of device of precise measurement machine oil air content, comprising:
For obtaining machine oil from the main oil gallery in oil cooler and holding the closed vessel of machine oil, on the vessel
Equipped with the scale for measuring the machine oil volume, the vessel are equipped with the solenoid valve of control with the main oil gallery on-off；
Vacuum pump for vacuumizing the vessel, the vacuum pump connect the blow vent of the vessel by valve body；
For repeatedly measuring the temperature measuring equipment of the vessel inner engine oil temperature,
For measuring the pressure gauge of the engine oil pressure in the main oil gallery, the pressure gauge is set in the main oil gallery；
And the pressure test device of pressure in the vessel is repeatedly measured, the pressure test device is set to the vessel
It is interior.
It preferably, further include shake table for driving the vessel to be vibrated, the vessel are set to the shake table
On.
Preferably, the solenoid valve includes first for preventing that the machine oil from first flowing into advance in the Outlet Pipe of the vessel
Solenoid valve, and the second solenoid valve that will not enter in the Outlet Pipe for controlling the air that the machine oil discharges；It is described true
Sky pump connects the vessel by third solenoid valve.
Preferably, first solenoid valve is located at close to the position of the main oil gallery, and the second solenoid valve is located at close
The position of the oil inlet of the vessel；
The third solenoid valve is located at close to the position of the vessel.
In device provided by the utility model, above-mentioned vessel can directly obtain working as machine oil by the scale being arranged thereon
Front volume.For the air content for solely calculating machine oil by measuring machine oil volume compared to the prior art, set in the application
Above-mentioned temperature measuring equipment is set, temperature measuring equipment can directly measure the temperature of machine oil, can pass through the temperature and machine oil of said engine oil
Volume combine mode existing air content is calculated, due to by combine oil temperature variation and volume change obtain machine oil
Air content, calculated result are more reliable and more stable.And it sets graduated vessel by above-mentioned and can directly measure current machine oil
Volume, the bulking value measured is accurate and stablizes, and there is no the possibility of mutation.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of device of precise measurement machine oil air content provided by the utility model.
In Fig. 1:
1 it is vessel, 21 be the first thermometer, 22 be second temperature meter, 3 be pressure gauge, 41 first solenoid valves, 42 is second
Solenoid valve, 43 be third solenoid valve, 5 be blocking, 6 be heat resisting and pressure resisting hose, 7 be vacuum pump, 8 be conducting wire, 9 be shake table.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The core of the utility model is to provide a kind of device of precise measurement machine oil air content, which can measure work
In environment it is existing in air content, and can guarantee measurement order of accuarcy.
Referring to FIG. 1, Fig. 1 is a kind of device of precise measurement machine oil air content provided by the utility model.
A kind of device of precise measurement machine oil air content provided by the utility model, comprising:
For obtaining machine oil from the main oil gallery in oil cooler and holding the closed vessel 1 of machine oil, set on vessel 1
There is the scale of dosing machine oil volume, vessel 1 are equipped with the solenoid valve of control with main oil gallery on-off；
Vacuum pump 7 for vacuumizing vessel 1, vacuum pump 7 pass through the blow vent of valve body connector ware 1；
For repeatedly measuring the temperature measuring equipment of 1 inner engine oil temperature of vessel,
For measuring the pressure gauge 3 of the engine oil pressure in main oil gallery, pressure gauge 3 is set in main oil gallery；
And the pressure test device of pressure in vessel 1 is repeatedly measured, pressure test device is set in vessel 1.
It should be noted that above-mentioned vessel 1 can directly obtain the current volume of machine oil by the scale being arranged thereon.Phase
For the air content for solely calculating machine oil by measuring machine oil volume compared with the prior art, above-mentioned survey is provided in the application
Warm device, temperature measuring equipment can directly measure the temperature of machine oil, can be by the temperature of said engine oil in conjunction with the volume of machine oil
Mode be calculated existing air content, this kind of calculation can refer to the prior art, due to by combining oil temperature to become
Change and volume change obtains machine oil air content, calculated result is more reliable and more stable.And graduated 1 energy of vessel is set by above-mentioned
Enough volumes for directly measuring current machine oil, the bulking value measured is accurate and stablizes, and there is no the possibility of mutation.
It on the basis of above-described embodiment, further include shake table 9 for driving vessel 1 to be vibrated, vessel 1 are set to
On shake table 9.
In the prior art, the mode for being typically employed in setting vibrating head in vessel 1 realizes that the vibration to machine oil operates, but by
In vibrating head capacity issue itself, it will usually the measurement of machine oil volume is influenced, meanwhile, the use of vibrating head also results in machine oil shape
State it is unstable, influence machine oil real work.
And in the application, using the above-mentioned shake table 9 for being able to carry out vibration, vessel 1 is driven to be vibrated, vibration processes
In, 1 overall structure of vessel is stablized, and the measurement of machine oil volume is intuitively and conveniently.
On the basis of above-described embodiment, solenoid valve includes for preventing machine oil from first flowed into the Outlet Pipe of vessel 1 in advance
The first solenoid valve 41, and for control machine oil release air will not enter Outlet Pipe in second solenoid valve 42；Vacuum
Pump 7 connects vessel 1 by third solenoid valve 43.
On the basis of above-described embodiment, the first solenoid valve 41 is located at close to the position of main oil gallery, second solenoid valve 42
Positioned at the position of the oil inlet close to vessel 1；Third solenoid valve 43 is located at close to the position of vessel 1.
Optionally, above-mentioned each solenoid valve be can be by the long-range monitoring solenoid valve that remotely controls, so as in use
Scene not will receive the influence of human factor.
In above-mentioned each embodiment, it is contemplated that certain influence may be generated between interface unit on measurement, therefore, even
Adapter tube aspect has selected to influence lesser heat resisting and pressure resisting hose 6 to measurement result.
In order to shorten time of measuring, this programme suspension uses high-frequency vibrating table 9, can be more advantageous to releasing for machine oil dissolved gas
It puts.
The application method of above-mentioned apparatus mainly comprises the steps that
Step S1, in main oil gallery, the vessel 1 of the machine oil that meets measuring condition injection vacuum state, when 1 inner engine oil of vessel
When reaching preset value, stop oil inlet；
Step S2, the engine oil pressure in oil temperature, machine oil volume and the main oil gallery in vessel 1 is measured for the first time；
Oil pressure after preset time period, in second of oil temperature, machine oil volume and main oil gallery measured in vessel 1
Power；And measure the gas temperature, gas volume and gas pressure for the gas that preset time period inner engine oil releases；
The first air content in machine oil is obtained according to the oil temperature, machine oil volume and the engine oil pressure that successively measure twice；
Its conversion volume in machine oil is obtained according to the gas volume released in machine oil, and is obtained according to conversion volume
The second air content when second of measurement in machine oil；
Step S3, the difference of the first air content and the second air content is compared, if allowing to measure standard in difference range
Really, S1 is otherwise returned.
It should be noted that device includes such as lower component in a specific embodiment provided by the utility model: band is carved
The vessel 1 of degree remotely control solenoid valve, blocking 5, thermo detector, vacuum pump 7, pressure gauge 3 and heat resisting and pressure resisting hose 6.
After starting measurement, the air in vessel 1 is drained first with vacuum pump 7, solenoid valve is then shut off and keeps at vessel 1
In vacuum state.
Engine runs to a period of time, after meeting measuring condition, introduces vessel 1 from main oil gallery machine oil, reaches to machine oil
To it is a certain amount of when, close two solenoid valves between main oil gallery and vessel 1.
The machine oil of collection places 15s, records oil temperature T at this time1, volume V1With engine oil pressure P1, engine oil pressure P1From
Main oil gallery measures.
After machine oil is shelved the sufficiently long time, the temperature T of machine oil is recorded again2With volume V2。
The air content Δ V in machine oil can be calculated according to correlation formula accordingly1。
In order to guarantee the accuracy of measurement, the temperature T of gas in vessel 1 is measured at this time3, volume V3With pressure P3, according to
The equation of gas state can calculate the air content Δ V in machine oil in gas volume conversion to machine oil for the second time accordingly2。
Measurement result compares twice, and calculated value must be within 3% just it is considered that measurement accurately, is otherwise surveyed again
Amount.
It should be noted that main oil gallery is after oil cooler to one section of oil duct other each branch's oil circuits,
It is most important one section of oil duct on lubricant passage way on engine cylinder body.
On the basis of above-described embodiment, according to oil temperature, machine oil volume and the engine oil pressure successively measured twice
Obtain the first air content in machine oil, comprising:
The first air content Δ V is calculated according to formula1=(V1 *-V2)/V1 *, wherein V1 *=V1-V2δ Δ T, V1For for the first time
The machine oil volume of measurement, V2For the machine oil volume of second of measurement, δ is the coefficient of cubical expansion, and △ T indicates the machine of second of measurement
Oil temperature and for the first time difference of the oil temperature of measurement.
Coefficient of cubical expansion δ=δ is calculated according to formulaOil-3αGlass=70.63 × 10-5[1/K], wherein linear expansion coefficient
αGlass=7.9 × 10-6[1/K], δOil=73 × 10-5[1/K], [1/K] are unit.
The second air content Δ V is calculated according to formula2=VGas/V1 *, wherein VGasFor the volume that converts；V1 *=V1-V2δ Δ T, V1
For the machine oil volume of first time measurement, V2For the machine oil volume of second of measurement, δ is the coefficient of cubical expansion, and △ T is indicated second
The oil temperature of measurement and for the first time difference of the oil temperature of measurement.
Difference △ V, Δ V=(the Δ V of the first air content and the second air content are obtained according to formula1-ΔV2)/ΔV1,
In, △ V1For the first air content, △ V2For the second air content.
On the basis of above-described embodiment, between measurement for the first time and second of measurement further include: control vessel 1 carry out
Vibration, to vibrate machine oil.
A specific embodiment and detailed workflow are provided in embodiments herein:
1, oil recovery position is selected on engine cylinder body, this programme oil recovery point is selected on main oil gallery.Vessel 1 are placed on vibration
On platform 9；
2, the first solenoid valve 41 and second solenoid valve 42 are closed, third solenoid valve 43 and vacuum pump 7 is opened, vessel 1 is taken out
Vacuum is then shut off solenoid valve and vacuum pump 7；
3, start engine, engine operates in rated speed, and 30% load, oil temperature is maximum, this in stable condition operation
After 15 minutes, it can recover the oil；
4, the first solenoid valve 41 and second solenoid valve 42 are opened simultaneously, drain the oil reach 1 capacity of vessel 2/3 or so when, together
When close the first solenoid valve 41 and second solenoid valve 42.It drains the oil after terminating 15s, records the temperature T of machine oil1With volume V1；
5, after first record, start shake table 9, and place 3 hours, to the gas release in machine oil, logging machine
The temperature T of oil2And V2.The temperature T of the gas released is recorded simultaneously3, volume V3With pressure P3；
6, to the data recorded above, data processing is carried out, rule of thumb formula calculator oil air content, calculating process can
With reference top embodiment.
It should be noted that it is the most key with oil recovery process in the above process, the first solenoid valve is installed on production pipe road
41 and second solenoid valve 42 be exactly to guarantee that the machine oil released is the working condition of oil circuit, temperature and pressure will not change.
Installing the first solenoid valve 41 is that machine oil first flows into drain line in advance in order to prevent, installs second solenoid valve 42 to guarantee that machine oil is released
The air of releasing will not enter in drain line.The first solenoid valve 41 and second solenoid valve 42 will be opened simultaneously and be closed in oil recovery process
It closes.
In the provisioning process it is noted that as close as possible to main oil gallery when needing to guarantee the installation of the first solenoid valve 41；Guarantee the
As close as possible to 1 oil inlet of vessel when two solenoid valves 42 are installed；Guarantee when third solenoid valve 43 is installed as close as possible to vessel 1.
In addition to reduce 6 pairs of results of heat resisting and pressure resisting hose influence, heat resisting and pressure resisting hose 6 it is interior answered it is as small as possible,
The internal diameter of heat resisting and pressure resisting hose 6 selected by this programme is 4mm.
The variable quantity of measuring machine oil volume in existing technology calculates machine oil air content whereby, the device used
Complexity, the factor (such as 6 length of heat resisting and pressure resisting hose, human body etc.) that much will affect measurement result all do not account for measurement knot
In fruit.This programme not only measures machine oil variable quantity, but also measures release gas flow, calculates machine oil in terms of two
Air content keeps measurement result more acurrate reliable.This programme has fully considered human body, 6 length diameter of heat resisting and pressure resisting hose etc. to survey
The influence for measuring result, keeps measurement result more acurrate.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The device of precise measurement machine oil air content provided by the utility model is described in detail above.Herein
Specific case is applied to be expounded the principles of the present invention and embodiment, the explanation of above example is only intended to
Help understands the method and its core concept of the utility model.It should be pointed out that coming for those skilled in the art
It says, without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, these change
Into in the protection scope for also falling into the utility model claims with modification.
Claims (4)
1. a kind of device of precise measurement machine oil air content characterized by comprising
For obtaining machine oil from the main oil gallery in oil cooler and holding the closed vessel of machine oil, the vessel are equipped with
The scale of the machine oil volume is measured, the vessel are equipped with the solenoid valve of control with the main oil gallery on-off；
Vacuum pump for vacuumizing the vessel, the vacuum pump connect the blow vent of the vessel by valve body；
For repeatedly measuring the temperature measuring equipment of the vessel inner engine oil temperature；
For measuring the pressure gauge of the engine oil pressure in the main oil gallery, the pressure gauge is set in the main oil gallery；
And the pressure test device of pressure in the vessel is repeatedly measured, the pressure test device is set in the vessel.
2. the apparatus according to claim 1, which is characterized in that further include the vibration for driving the vessel to be vibrated
Platform, the vessel are set on the shake table.
3. the apparatus according to claim 1, which is characterized in that the solenoid valve includes for preventing the machine oil from flowing in advance
Enter the first solenoid valve in the Outlet Pipe of the vessel, and the air for controlling the machine oil release will not enter described put
Second solenoid valve in flow tube；The vacuum pump connects the vessel by third solenoid valve.
4. device according to claim 3, which is characterized in that first solenoid valve is located at close to the position of the main oil gallery
It sets, the second solenoid valve is located at the position of the oil inlet close to the vessel；
The third solenoid valve is located at close to the position of the vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820584567.1U CN208313980U (en) | 2018-04-23 | 2018-04-23 | A kind of device of precise measurement machine oil air content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820584567.1U CN208313980U (en) | 2018-04-23 | 2018-04-23 | A kind of device of precise measurement machine oil air content |
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| Publication Number | Publication Date |
|---|---|
| CN208313980U true CN208313980U (en) | 2019-01-01 |
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| CN201820584567.1U Active CN208313980U (en) | 2018-04-23 | 2018-04-23 | A kind of device of precise measurement machine oil air content |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318668A (en) * | 2018-04-23 | 2018-07-24 | 安徽华菱汽车有限公司 | A kind of accurate device and method for measuring machine oil air content |
-
2018
- 2018-04-23 CN CN201820584567.1U patent/CN208313980U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318668A (en) * | 2018-04-23 | 2018-07-24 | 安徽华菱汽车有限公司 | A kind of accurate device and method for measuring machine oil air content |
| CN108318668B (en) * | 2018-04-23 | 2024-01-02 | 安徽华菱汽车有限公司 | Device and method for accurately measuring air content of engine oil |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231116 Address after: 243071 No. 359 Huxinan Road, Economic and Technological Development Zone, Ma'anshan City, Anhui Province Patentee after: Anhui Hanma Engine Co.,Ltd. Address before: No.359, huxinan Road, Maanshan economic and Technological Development Zone, Anhui Province 243061 Patentee before: ANHUI HUALING AUTOMOBILE Co.,Ltd. |
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| TR01 | Transfer of patent right |