CN109653835A - Detection method, detection system and the automobile of engine motor oil viscosity - Google Patents
Detection method, detection system and the automobile of engine motor oil viscosity Download PDFInfo
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- CN109653835A CN109653835A CN201811580745.4A CN201811580745A CN109653835A CN 109653835 A CN109653835 A CN 109653835A CN 201811580745 A CN201811580745 A CN 201811580745A CN 109653835 A CN109653835 A CN 109653835A
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- measuring cup
- engine
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- timing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/10—Indicating devices; Other safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/10—Indicating devices; Other safety devices
- F01M2011/14—Indicating devices; Other safety devices for indicating the necessity to change the oil
- F01M2011/148—Indicating devices; Other safety devices for indicating the necessity to change the oil by considering viscosity
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
This application provides detection method, detection system and the automobiles of a kind of engine motor oil viscosity.The detection method of the engine motor oil viscosity includes: to obtain after engine stop operating: the machine oil being injected in the measuring cup of engine motor oil is flowed out from measuring cup outlet, and the delivery time of the second liquid level needs is down to from the first liquid level；Judge whether the delivery time is less than preset time threshold values, obtains judging result；In the case where described be judged as YES, engine oil viscosity shortage signal is generated.In the application, the different machine oil of viscosity is different therewith from the measuring cup outlet rate of outflow, and it is also different therewith that the time is lost required for the oil level being lost in measuring cup.By being lost the time required for the oil level that is lost in measuring cup, to be compared with preset time threshold, judges whether the delivery time is less than preset time threshold values, can determine whether the viscosity of engine motor oil meets the requirements according to judging result, detection is accurate and reliable.
Description
Technical field
This application involves detection system technical field more particularly to a kind of detection methods of engine motor oil viscosity, detection
System and automobile.
Background technique
Lubricant of Automobile Engine in use for some time, due to being mixed into the variation of impurity and self property, viscosity meeting
Variation is generated, to influence its lubricating ability, causes lack of lubrication between auto parts and components, abrasion aggravation.Especially, it sends out at present
The supercharging technology of motivation is commonly available applications well, engine power, torque can be made to be substantially improved, but supercharging technology is answered
With also bringing machine oil more easily dilutable problem.
If for still driving vehicle driving in the state that oil dilution, viscosity are low, that replacement machine oil will not in time
The lubricating ability decline for directly resulting in engine, causes engine components to wear, shortens service life of aeroengine, even cause
Engine direct is informed of a case useless.
Summary of the invention
This application provides detection method, device and the automobiles of a kind of engine motor oil viscosity, can accurately and reliably detect
Engine motor oil viscosity.
On the one hand, this application provides a kind of detection methods of engine motor oil viscosity.The detection method includes:
It after engine stop operating, obtains: being injected with machine oil in the measuring cup of engine motor oil from measuring cup outlet stream
Out, the delivery time of the second liquid level needs is down to from the first liquid level；
Judge whether the delivery time is less than preset time threshold values, obtains judging result；
In the case where described be judged as YES, engine oil viscosity shortage signal is generated.
Optionally, the delivery time is obtained, comprising:
Level sensing module detects that the measuring cup is the first liquid level, and timing module starts timing；
When the level sensing module detects that the measuring cup is down to the second liquid level, the timing module terminates timing, obtains
To the delivery time.
Optionally, the level sensing module includes regulations and parameters part and swept resistance, and one end of the lever piece is slidably connected
The measuring cup is rotationally connected in the swept resistance, the other end so that the measuring cup is vertically arranged；Become in the measuring cup liquid level
During change, lever piece rotation makes the resistance change for the resistance access circuit being slidably connected with the lever piece；
When the measuring cup is in first liquid level, the resistance value of the swept resistance access circuit is first resistor
Value；In response to the first resistor value, the timing module starts timing；
When the measuring cup is in second liquid level, the resistance value of the swept resistance access circuit is second resistance
Value；In response to the second resistance value, the timing module terminates timing.
Optionally, when the measuring cup is in first liquid level, the measuring cup fills machine oil, and the first resistor value is
The swept resistance can access the maximum resistance value of circuit；
When the measuring cup is in the second liquid level, the machine oil in the measuring cup is all flowed out from outlet, second electricity
Resistance value is the minimum resistance that the swept resistance can access circuit.
Optionally, further includes:
When the measuring cup or engine inner engine oil temperature are more than or equal to preset temperature, the delivery time is obtained,
Obtain the judging result；And/or
When the engine speed is zero, the delivery time is obtained, obtains the judging result.
It is in the preset time after shutting down in the engine, obtains the delivery time, obtain the judgement
As a result.
Optionally, further includes:
According to the generation engine oil viscosity shortage signal, user is prompted to replace machine oil.
On the other hand, this application provides a kind of detection systems of engine motor oil viscosity.The detection system includes:
Measuring cup, for the machine oil of injection engine, the measuring cup is equipped with the outlet for declining liquid level for machine oil outflow；
Delivery time obtains module, for obtaining after engine stop operating: machine oil in the measuring cup is from the row
Outlet outflow, the delivery time of the second liquid level needs is down to from the first liquid level；
Judgment module for judging whether the delivery time is less than preset time threshold values, and obtains judging result；And
Engine oil viscosity shortage signal generation module, for it is insufficient to generate engine oil viscosity in the case where described be judged as YES
Signal.
Optionally, the delivery time acquisition module includes:
Level sensing module, for detecting the liquid level of the measuring cup inner engine oil；And
Timing module works as institute for starting timing when the level sensing module detects that measuring cup is in the first liquid level
It states when level sensing module detects the measuring cup drop in the second liquid level and terminates timing, obtain the delivery time.
Optionally, the level sensing module includes:
Access the swept resistance in circuit；And
The regulations and parameters part of setting can be rotated around fixed point, one end of the regulations and parameters part be slidably connected to the swept resistance, another
One end is rotationally connected with the measuring cup so that the measuring cup is vertically arranged always；
Wherein, the level sensing module is configured as: in the measuring cup liquid level change procedure, the lever piece turns
It is dynamic, make the resistance change of the swept resistance access circuit；
The timing module is configured as: in response to first resistor value corresponding with first liquid level, the timing mould
Block starts timing；In response to second resistance value corresponding with second liquid level, the timing module terminates timing.
It optionally, further include for controlling control module detection system starting or closed；
The control module is configured as:
It is greater than or equal to the signal of preset temperature according to measuring cup or engine inner engine oil temperature, starts the detection system；
And/or
The signal for being zero according to engine speed starts the detection system；And/or
It is in the signal after stopping operating in preset time according to engine, starts the detection system.
In another aspect, this application provides a kind of automobiles.The automobile includes:
Engine；
Above-mentioned detection system, the measuring cup are used to inject the machine oil of the engine；And
Cue module, the cue module are configured for according to engine oil viscosity shortage signal generation module generation
Engine oil viscosity shortage signal prompts replacement machine oil.
Optionally, the measuring cup is set to the machine oil refluxing opening position of the engine.
Technical solution provided by the present application can achieve it is following the utility model has the advantages that
In the application, the different machine oil of viscosity is different therewith from the measuring cup outlet rate of outflow, the machine oil being lost in measuring cup
It is also different therewith that the time is lost required for amount.By being lost the time required for the oil level that is lost in measuring cup, come with preset
Time threshold be compared, judge whether the delivery time is less than preset time threshold values, engine can determine according to judging result
Whether the viscosity of machine oil meets the requirements, and detection is accurate and reliable.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited
Application.
Detailed description of the invention
Fig. 1 is the detection method flow chart according to the engine motor oil viscosity for applying for a kind of embodiment.
Fig. 2 is the detection method flow chart according to the engine motor oil viscosity for applying for a kind of embodiment.
Fig. 3 is the method flow diagram according to the acquisition delivery time for applying for a kind of embodiment.
Fig. 4 is the detection structure schematic diagram according to a kind of measuring cup liquid level of embodiment of the application；
Fig. 5 is according to a kind of structural schematic diagram of the detection system of embodiment of the application.
Fig. 6 is the detection schematic diagram according to a kind of engine motor oil viscosity of embodiment of the application.
Appended drawing reference:
1- detection system；
10- control module；
The 11- delivery time obtains module；
12- level sensing module；
120- swept resistance；
122- lever piece；
123- first end；
124- second end；
126- first rotating shaft；
The second shaft of 128-；
13- timing module；
14- judgment module；
15- engine oil viscosity shortage signal generation module；
20- measuring cup；
200- annular peripheral wall；
202- bottom wall；
204- inlet；
206- outlet.
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.
Specific embodiment
In order to better understand the technical solution of the application, the embodiment of the present application is retouched in detail with reference to the accompanying drawing
It states.
It will be appreciated that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Base
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall in the protection scope of this application.
The term used in the embodiment of the present application is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The application.In the embodiment of the present application and the "an" of singular used in the attached claims, " described " and "the"
It is also intended to including most forms, unless the context clearly indicates other meaning.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate: individualism A, exist simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
It should be appreciated that in the description of the present application unless specifically defined or limited otherwise, term " first ", " second "
It is only used for the purpose of description, is not understood to indicate or imply relative importance；
Depending on context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determination " or " in response to detection ".Similarly, depend on context, phrase " if it is determined that " or " if detection
(condition or event of statement) " can be construed to " when determining " or " in response to determination " or " when the detection (condition of statement
Or event) when " or " in response to detection (condition or event of statement) ".
One embodiment of the application provides a kind of detection method of engine motor oil viscosity.Fig. 1 is shown according to this
Apply for the detection method flow chart of the engine motor oil viscosity of one embodiment.Referring to Fig. 1, this method includes at least step
S110, step S120 and step S130.
Step S110 obtains machine oil in the measuring cup of Lubricant of Automobile Engine from outlet after engine stop operating
The delivery time of the second liquid level needs is down in outflow from the first liquid level.
The measuring cup is used for the machine oil of injection engine.The measuring cup is equipped with the injection for injecting the engine motor oil
Mouthful.Outlet is provided on the wall of cup of the measuring cup, the machine oil in the measuring cup can be flowed out from outlet.When the engine is transported
When turning, the machine oil of the engine can inject in the measuring cup.
After engine stop operating, the machine oil of the engine does not continue to inject in the measuring cup, the amount
Organic oil is accommodated in cup.At this point, the machine oil in the measuring cup can be flowed out from outlet, the liquid level of the measuring cup can decline, can be certainly
First liquid level is down to the second liquid level, and is acquired.
Step S120, judges whether the delivery time is less than preset time threshold values, obtains judging result.
The preset time threshold values is that can be obtained by the methods of experiment, algorithm, and in advance under conditions of presetting
It is stored in detection system.The preset time threshold values can be according to the cross section of the cross-sectional area of the measuring cup, the outlet
Product etc. is because of usually specific setting.After getting the delivery time, it is compared with the preset time threshold values, is judged
Whether the delivery time is less than the preset time threshold values, obtain the judging result and include: be namely the delivery time
It is less than the preset time threshold values；The no namely described delivery time is no less than the preset time threshold values.
Step S130 generates engine oil viscosity shortage signal in the case where described be judged as YES.Conversely, in the judgement
In the case where no, the engine oil viscosity shortage signal is not generated.
The engine oil viscosity shortage signal can be output to cue module, be used for in-engine engine oil viscosity for prompting
Deficiency needs to be replaced in time.
Machine oil different therewith from the measuring cup outlet rate of outflow due to the different machine oil of viscosity, being lost in measuring cup
It is also different therewith that the time is lost required for amount.The measuring cup shape and structure is fixed, and the measuring cup liquid level is down to from the first liquid level
During second liquid level, the measuring cup is identical always by the oil level that outlet is lost.By being lost phase in the measuring cup
Whether the loss time required for same oil level judges the delivery time to be compared with the preset time threshold values
Less than preset time threshold values, it can determine whether the viscosity of engine motor oil meets the requirements according to judging result, detection is accurate and reliable.
However, due under different oil temperature states, under different engine conditions, the judging result of the detection method
It differs greatly.
In the example of the application, referring to Fig. 2, when the measuring cup or in-engine oil temperature are greater than or wait
When preset temperature, detection system could start work, to obtain the delivery time, obtain the judging result.For example, should
Preset temperature can be set to 70 DEG C, 80 DEG C, 90 DEG C or other temperature values.In this way, the detection method can be in oil temperature
It is detected in the state of being influenced less on testing result, the accurate judging result can be obtained.
In the example of the application, referring to Fig. 2, detection system could start when the engine speed is zero
Work, to obtain the delivery time, obtains the judging result.In this way, the detection method can be zero in engine speed
Stopping far turning to detect under state, avoid the machine oil of engine described in detection process from still injecting in the measuring cup, cause to influence
Detection accuracy can obtain the accurate judging result.
In the example of the application, referring to Fig. 2, being in the preset time after shutting down in the engine
When, detection system could start work, to obtain the delivery time, obtain the judging result.The engine, which is in, to be put out
In preset time after fire, machine oil is filled in the measuring cup, will not mix other impurities in the measuring cup.For example, when this is default
Between can be 1 minute, 2 minutes or other times value.In this way, the detection method can examine in-engine machine oil
It surveys, can avoid the machine oil in the measuring cup and is lost completely to lead to not detect, can avoid that the measuring cup is interior also to be mixed in addition to machine oil
Other impurities can obtain the accurate judging result.
According to different needs, one or more in above three example is can be used in the application.Fig. 2 illustrates only this Shen
Above-mentioned three kinds of examples are please used simultaneously.
The method for obtaining the delivery time can be specifically arranged as needed.Fig. 3 is shown to be implemented according to the application one
The method flow diagram of the acquisition delivery time of example.Referring to Fig. 3, the step 110 is specific can include:
When the liquid detecting module detection measuring cup is the first liquid level, timing module starts timing.In the step, the meter
When module be used to detect the liquid level of the measuring cup.The liquid level that the timing module can be detected according to the level sensing module,
Start timing or terminate timing, obtains starting timing and extremely terminate timing elapsed time section.
Machine oil can be flowed out from the outlet of the measuring cup, and the liquid level of the measuring cup can decline.The level sensing module inspection
When measuring the measuring cup and being down to the second liquid level, the timing module terminates timing, obtains measuring cup and drops to from first liquid level
The delivery time of second liquid level.
The specific structure of the level sensing module can select to be arranged as needed, as long as it can detect the amount respectively
Liquid level signal can be delivered to the timing module in the first liquid level and the second liquid level by cup.Fig. 4 is to show basis
A kind of detection structure schematic diagram of the measuring cup liquid level of embodiment of the application.
Referring to Fig. 4, the level sensing module 12 includes regulations and parameters part 122 and swept resistance 120.The swept resistance
In 120 access circuits.The lever piece 122 has the first end 123 and second end 124 for being located at its both ends.The lever
The first end 123 of part 122 is slidably connected to the swept resistance 120.The first end 123 of the lever piece 122 slides into and institute
When stating the different location contact of swept resistance 120, the resistance value that the swept resistance 120 accesses in circuit can also correspond to difference.
The rotation of second end 124 of the lever piece 122 is connected in measuring cup 20.When the lever piece 122 rotates, the measuring cup 20 can be relative to
The lever piece 122 rotates, and is able to maintain and moves back and forth up and down along gravity direction vertical state, and the inclination of measuring cup 20 is avoided to lead
It causes to influence detection accuracy.
It is located at due to the swept resistance 120 and the measuring cup 20 at the both ends of the lever piece 122, in the amount
During machine oil in cup 20 is flowed out from outlet 206, the liquid level of the measuring cup 20 changes, positioned at the second end 124
20 weight change of measuring cup, the lever piece 122 turn to new position, make the second end and the sliding of the lever piece 122
The different location of resistance 120 contacts, and then the resistance value for accessing the swept resistance 120 in circuit changes.Specifically,
During the liquid level of the measuring cup 20 is down to the second liquid level from first liquid level, positioned at the measuring cup of the second end 124
20 weight reduce, and the lever piece 122 rotates the resistance change for making the swept resistance 120 access circuit.In the measuring cup
During 20 are down to the second liquid level, lever piece rotation from the first liquid level, the swept resistance 120 accesses the electricity in circuit
The liquid level of resistance value and the measuring cup 20 can proportional or inverse relation, the two corresponds.
The step of obtaining the delivery time is specific can include:
When detecting that the measuring cup 20 is in first liquid level, the swept resistance 120 accesses the resistance value of circuit
Correspond to first resistor value.In response to the first resistor value, the timing module starts timing.In this step, the sliding
When the resistance value of the access circuit of resistance 120 is first resistor value, indicate that the measuring cup 20 is in the first liquid level, at this time the meter
When module start timing, such as labeled as zero.
When the measuring cup 20 reduction to second liquid level, the resistance value that the swept resistance 120 accesses circuit is corresponding
For second resistance value.In response to the second resistance value, the timing module terminates timing.In the step, the swept resistance
When the resistance value of 120 access circuits is second resistance value, indicate that the measuring cup 20 is in the second liquid level, at this time the timing mould
Block end timing can be obtained the delivery time.
Wherein, can be respectively arranged in the circumferential direction of the lever piece 122 makes the lever piece 122 carry out backstop limit
So that the lever piece 122 stops a pair of of the stopper section stopped, the lever piece 122 is only capable of the reciprocating rotary between the pair of stopper section
It is dynamic, so that the resistance value for accessing the swept resistance 120 in circuit includes first electricity corresponding to first liquid level
Resistance value, and the second resistance value corresponding to second liquid level.
Further, machine oil is filled when the measuring cup 20 is in the first liquid level, the first resistor value is the sliding electricity
Resistance 120 can access the maximum resistance value of circuit.Machine oil is all sky from outlet outflow when the measuring cup 20 is in the second liquid level
Cup, the second resistance value are the minimum resistance that the swept resistance 120 can access circuit.Row of the machine oil from the measuring cup 20
During 206 outflow of outlet, first liquid level is down to the delivery time of the second liquid level needs in the measuring cup 20, be also it is described most
It is the time that the minimum resistance needs that big resistance value, which reduces variation,.Accordingly, the outlet 206 can be for described in perforation
The through-hole of the bottom wall 202 of measuring cup 20.
To obtain accurate testing result, it is preferable that the numerical value of the delivery time can obtain multiple groups.Described in acquisition
The average value of multiple delivery times, then the average value is compared with the preset time threshold values, obtain the judgement knot
Fruit.Certainly, the delivery time described in multiple groups can also be compared with the preset time threshold values respectively respectively, after comprehensive analysis
To judging result.
In one embodiment of the application, in the case where described be judged as YES, not according to the generation engine oil viscosity
Sufficient signal, the cue module in automobile can indicate changing machine oil when starting automobile next time.For example, cue module may include instrument
Indicator light, sounding device etc..
Based on the same inventive concept, one embodiment of the application provides a kind of detection system of engine motor oil viscosity
System.Fig. 5 shows the structural schematic diagram of the detection system of the engine motor oil viscosity according to the application one embodiment.
Referring to Fig. 5, the detection system 1 includes that measuring cup 20, delivery time acquisition module 11, judgment module 14 and machine oil are viscous
Spend shortage signal generation module 15.The measuring cup 20 is used for the machine oil of injection engine.The measuring cup 20 is equipped with for injecting hair
The inlet of motivation machine oil.The wall of cup perforation of the measuring cup 20, which is provided with, flows out the outlet so that liquid level decline for machine oil.
The delivery time obtains module 11 and is used for after engine stop operating, obtains: the machine oil in the measuring cup 20
It is flowed out from outlet, the delivery time of the second liquid level needs is down to from the first liquid level.
The judgment module 14 obtains judgement knot for judging whether the delivery time is less than preset time threshold values
Fruit.For example, the judgment module 14 may include processor, memory and programming software.
The engine oil viscosity shortage signal generation module 15 is used in the case where described be judged as YES, and generates engine oil viscosity
Shortage signal.
It should be noted that the cross-sectional area of the outlet will affect the delivery time and the preset time valve
Value, the outlet cross-sectional area can need specific setting according to detection.
In one embodiment of the application, it includes level sensing module 12 and timing mould that the delivery time, which obtains module 11,
Block 13.The level sensing module 12 is used to detect the liquid level of the measuring cup 20.The timing module 13 is used to work as the liquid level
Detection module 12, which detects, starts timing when measuring cup 20 is in the first liquid level, when the level sensing module 12 detects the amount
Cup 20 terminates timing when being down in the second liquid level, to obtain the delivery time.
In one embodiment of the application, referring to Fig. 4, the level sensing module includes regulations and parameters part 122 and sliding electricity
Resistance 120.The swept resistance 120 accesses in circuit.The prior art can be used in the specific set-up mode of the circuit, does not do herein superfluous
It states.The lever piece 122 can be rotated around fixed point.For example, the lever piece 122 can be rotationally connected with by first rotating shaft 126
On supporting element.The lever 122 has the first end 123 and second end 124 for being located at its both ends.The lever piece 122
First end 123 is slidably connected at the swept resistance 120.For example, the swept resistance 120 may be configured as and the lever piece
The 122 consistent arc of 123 rotary motion trace of first end.The first end 123 of the lever piece 122 slides into and the swept resistance
When 120 different location contact, the resistance value that the swept resistance 120 accesses in circuit is accordingly different.The lever piece 122
The rotation of second end 124 is connected in measuring cup 20.When the lever piece 122 rotates, the measuring cup 20 can be 122 turns relative to the lever piece
It is dynamic, it can only vertically move back and forth up and down, can be vertically arranged always along gravity direction, avoid influencing detection accuracy.The amount
Cup 20 may include bottom wall 202 and from the outwardly projecting annular peripheral wall 200 in the edge of the bottom wall 202.The outlet 206 is to pass through
Lead to the through-hole of the bottom wall setting, the second end 124 of the lever piece 122 can be rotationally connected with the ring by the second axis 208
Shape peripheral wall 200.
It is located at due to the swept resistance 120 and the measuring cup 20 at the both ends of the lever piece 122, in the amount
During machine oil in cup 20 is flowed out from outlet 206, the liquid level of the measuring cup 20 changes, positioned at the second end 124
20 weight change of measuring cup, the lever piece 122 turn to new position, make the second end 124 and the cunning of the lever piece 122
The different location contact of dynamic resistance 120, and then the resistance value for accessing the swept resistance 120 in circuit changes.Specifically
Ground, during the liquid level of the measuring cup 20 is down to the second liquid level from first liquid level, positioned at the amount of the second end 124
20 weight of cup reduce, and the lever piece 122 rotates the resistance change for making the swept resistance 120 access circuit.In the amount
During cup 20 is down to the second liquid level from the first liquid level, the swept resistance 120 accesses resistance value and the amount in circuit
Cup 20 liquid level can proportional or inverse relation, the two correspond.
When the measuring cup 20 is in first liquid level, the resistance value that the swept resistance 120 accesses circuit is corresponded to
First resistor value.In response to the first resistor value, the timing module 13 starts timing.For example, first liquid level extremely may be used
To be the liquid level when measuring cup 20 fills up machine oil, it is described that the first resistor value, which can be correspondingly arranged as the first resistor value,
Swept resistance 120 can access the maximum resistance value of circuit.
When the measuring cup 20 reduction to second liquid level, the resistance value that the swept resistance 120 accesses circuit is corresponding
For second resistance value.In response to the second resistance value, the timing module 13 terminates timing.For example, the second liquid level can be
Liquid level when machine oil in the measuring cup 20 is all flowed out from outlet 206, it is described that the second resistance value, which can be correspondingly arranged,
Swept resistance 120 can access the minimum resistance of circuit.
Wherein, can be respectively arranged in the circumferential direction of the lever piece 122 makes the lever piece 122 carry out backstop limit
So that the lever piece 122 stops a pair of of the stopper section stopped, the lever piece 122 is only capable of the reciprocating rotary between the pair of stopper section
It is dynamic, so that the resistance value for accessing the swept resistance 120 in circuit includes first electricity corresponding to first liquid level
Resistance value, and the second resistance value corresponding to second liquid level.
In addition, the level sensing module 12 may be alternatively provided as other variable resistance type liquid level sensors, variable capacitance
Liquid level sensor, variable inductance formula liquid level sensor or other detectors.
In one embodiment of the application, the detection system 1 further includes control module 10.The control module 10 is used for
It controls the starting of detection system 1 or closes, to detect in-engine engine oil viscosity by above-mentioned detection method.
It is greater than or equal to the signal of preset temperature according to engine or 20 machine oil of measuring cup, the control module 10 can start
The detection system 1 detects the engine oil viscosity of engine by above-mentioned detection method.The control module 10 can be with temperature sensing
Device connection, for detecting the signal of oil temperature according to temperature sensor, to control the starting of detection system 1 or close
It closes.
The signal for being zero according to engine speed, the control module 10 start the detection system 1, pass through above-mentioned detection
The engine oil viscosity of method detection engine.For example, the control module 10 can be connect with engine controller.
Signal after being in flame-out according to engine in preset time, the control module 10 start the detection system 1,
The engine oil viscosity of engine is detected by the detection method.For example, the control module 10 can stop with for calculating engine
Only timer of the operating institute through the time connects.
Based on the same inventive concept, one embodiment of the application provides a kind of automobile.
The automobile includes engine, cue module and above-mentioned detection system.Please refer to Fig. 4 and Fig. 5, the measuring cup 20
For injecting the machine oil of the engine.The cue module is used for raw according to the engine oil viscosity shortage signal generation module 15
At engine oil viscosity shortage signal, to prompt for replacing information.For example, the cue module may include meter lamp or
Sounding device etc..
In view of the machine oil of the engine can be back in oil sump by oil duct, the measuring cup 20 can be located at described
The machine oil refluxing opening position of engine.When the machine oil reflux of the engine, the measuring cup 20 is flowed into, then flow into oil sump
It is interior.It should be noted that the measuring cup 20 is flowed out by the outlet 206, the even described measuring cup 20 can when filling machine oil
It overflows, to flow into oil sump.
In addition, temperature sensor can be equipped in the engine or measuring cup 2, for detecting the temperature of machine oil.
In one specific embodiment, fig. 4 to fig. 6 is please referred to, when to meet engine speed be zero, engine is in and stops
In one minute after operating and when oil temperature is greater than 80 DEG C, detection system 1 starts.Conversely, detection system 1 does not start.
After detection system 1 starts, in response to maximum resistance value corresponding with the first liquid level, starts timing module 13, start
Timing；In response to minimum resistance corresponding with level sensing module, timing module 13 terminates timing, obtains: in measuring cup 20
When machine oil is flowed out from outlet 206, the delivery time of the second liquid level needs is down to from the first liquid level.
Preset time threshold values is inputted, the delivery time of acquisition is compared judgment module 14 with preset time threshold values, and
Judge whether the delivery time is less than preset time threshold values, obtains judging result.Such as it can storing data.
If judgment module 14 is judged as YES, generates and export engine oil viscosity shortage signal.Cue module in automobile can
Machine oil is replaced for user according to the prompt of engine oil viscosity shortage signal.
If judgment module 14 is judged as NO, not output signal.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (12)
1. a kind of detection method of engine motor oil viscosity characterized by comprising
After engine stop operating, obtain: the machine oil being injected in the measuring cup of engine motor oil is flowed out from measuring cup outlet, from
First liquid level is down to the delivery time of the second liquid level needs；
Judge whether the delivery time is less than preset time threshold values, obtains judging result；
In the case where described be judged as YES, engine oil viscosity shortage signal is generated.
2. detection method according to claim 1, which is characterized in that obtain the delivery time, comprising:
Level sensing module detects that the measuring cup is the first liquid level, and timing module starts timing；
When the level sensing module detects that the measuring cup is down to the second liquid level, the timing module terminates timing, obtains institute
State the delivery time.
3. detection method according to claim 2, which is characterized in that the level sensing module includes regulations and parameters part and sliding
Resistance, one end of the lever piece is slidably connected at the swept resistance, the other end is rotationally connected with the measuring cup so that described
Measuring cup is vertically arranged；In the measuring cup liquid level change procedure, lever piece rotation makes the resistance being slidably connected with the lever piece
Access the resistance change of circuit；
When the measuring cup is in first liquid level, the resistance value of the swept resistance access circuit is first resistor value；It rings
First resistor value described in Ying Yu, the timing module start timing；
When the measuring cup is in second liquid level, the resistance value of the swept resistance access circuit is second resistance value；It rings
Second resistance value described in Ying Yu, the timing module terminate timing.
4. detection method according to claim 3, it is characterised in that:
When the measuring cup is in first liquid level, the measuring cup fills machine oil, and the first resistor value is the sliding electricity
Resistance can access the maximum resistance value of circuit；
When the measuring cup is in the second liquid level, the machine oil in the measuring cup is all flowed out from outlet, the second resistance value
The minimum resistance of circuit can be accessed for the swept resistance.
5. detection method according to claim 1, which is characterized in that further include:
When the measuring cup or engine inner engine oil temperature are more than or equal to preset temperature, the delivery time is obtained, is obtained
The judging result；And/or
When the engine speed is zero, the delivery time is obtained, obtains the judging result.
It is in the preset time after shutting down in the engine, obtains the delivery time, obtain the judging result.
6. detection method according to claim 1, which is characterized in that further include:
According to the generation engine oil viscosity shortage signal, user is prompted to replace machine oil.
7. a kind of detection system of engine motor oil viscosity characterized by comprising
Measuring cup, for the machine oil of injection engine, the measuring cup is equipped with the outlet for declining liquid level for machine oil outflow；
Delivery time obtains module, for obtaining after engine stop operating: machine oil in the measuring cup is from the outlet
The delivery time of the second liquid level needs is down in outflow from the first liquid level；
Judgment module for judging whether the delivery time is less than preset time threshold values, and obtains judging result；And
Engine oil viscosity shortage signal generation module, for generating engine oil viscosity shortage signal in the case where described be judged as YES.
8. detection system according to claim 7, which is characterized in that the delivery time obtains module and includes:
Level sensing module, for detecting the liquid level of the measuring cup inner engine oil；And
Timing module, for starting timing when the level sensing module detects that measuring cup is in the first liquid level, when the liquid
Position detection module terminates timing when detecting the measuring cup drop in the second liquid level, obtains the delivery time.
9. detection system according to claim 8, which is characterized in that the level sensing module includes:
Access the swept resistance in circuit；And
The regulations and parameters part of setting can be rotated around fixed point, one end of the regulations and parameters part is slidably connected to the swept resistance, the other end
The measuring cup is rotationally connected with so that the measuring cup is vertically arranged always；
Wherein, the level sensing module is configured as: in the measuring cup liquid level change procedure, the lever piece rotation makes
The resistance change of the swept resistance access circuit；
The timing module is configured as: in response to first resistor value corresponding with first liquid level, the timing module is opened
Dynamic timing；In response to second resistance value corresponding with second liquid level, the timing module terminates timing.
10. detection system according to claim 7, which is characterized in that further include for controlling the detection system starting
Or the control module closed；
The control module is configured as:
It is greater than or equal to the signal of preset temperature according to measuring cup or engine inner engine oil temperature, starts the detection system；With/
Or,
The signal for being zero according to engine speed starts the detection system；And/or
It is in the signal after stopping operating in preset time according to engine, starts the detection system.
11. a kind of automobile characterized by comprising
Engine；And
Such as the detection system of the described in any item engine motor oil viscosity of claim 7-10, the measuring cup is for injecting the hair
The machine oil of motivation；
Cue module, the cue module are configured for the machine oil generated according to the engine oil viscosity shortage signal generation module
Viscosity shortage signal prompts replacement machine oil.
12. automobile according to claim 11, which is characterized in that
The measuring cup is set to the machine oil refluxing opening position of the engine.
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| CN201811580745.4A CN109653835B (en) | 2018-12-24 | 2018-12-24 | Engine oil viscosity detection method and system and automobile |
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