CN105443193B - A kind of automobile engine lubricating oil guarantees device and its control method - Google Patents
A kind of automobile engine lubricating oil guarantees device and its control method Download PDFInfo
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- CN105443193B CN105443193B CN201410391552.XA CN201410391552A CN105443193B CN 105443193 B CN105443193 B CN 105443193B CN 201410391552 A CN201410391552 A CN 201410391552A CN 105443193 B CN105443193 B CN 105443193B
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Classifications
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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
- F01M11/04—Filling or draining lubricant of or from machines or engines
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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
- F01M11/06—Means for keeping lubricant level constant or for accommodating movement or position of machines or engines
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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
- F01M11/12—Indicating devices; Other safety devices concerning lubricant level
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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)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of automobile engine lubricating oils to guarantee device and its control method, including there being the automobile engine oil pan of machine oil, machine oil deposit in the engine sump tank is the machine oil deposit of minimum machine oil dosage needed for not considering one drain period inner engine oil loss of automobile, keeping engine lubrication, described device further includes a machine oil addition storage tank, and the method is: storage of the detection machine oil in oil sump；Storage is compared with setting storage；When storage is less than setting storage, engine sump tank is added in machine oil until engine oil storage capacity is greater than setting storage value, under the conditions of consumption of lubricating oil of the present invention when meeting engine work, while engine constantly consumes lubricating oil, engine make-up oil is given in time, ensures that engine is in most power save mode using lubricants capacity, play the efficiency of engine, it makes lubricating system more reasonable, allows engine more fuel-economizing, reduce the generation of carbon distribution.
Description
Technical field
The invention belongs to car engine lubrication system, in particular to a kind of automobile engine lubricating oil guarantee device and its
Control method.
Background technique
Advanced turbo-charged direct injection engine (T-GDI engine, including TSI engine), advantage is small in size, power
Greatly, fuel-economizing, reduction discharge, however, comparing with traditional engine, in T-GDI engine (including TSI engine) lubricating system
Lubricating oil operating temperature it is higher, cause the every 1000 kilometers of consumption of lubricating oil more many higher than conventional engines, in order to ensure
As soon as engine must be mentioned using safe and consideration lubricating oil within the drain period consumption in lubricating oil operating specification
The storage level of lubricating oil in high engine sump tank, be added engine lubrication oil mass be most reasonable employment amount 200% to 250%,
It is even more；Lubrication oil meter in driver's cabin is also to give a warning in few 1.5 ~ 1.8 times to normal use value of lubricating oil.Hair
The more lubricating oil of motivation can bring resistance to engine, sacrifice engine section power, experiments have shown that sacrificing the 2% of engine
To 11% power, and more carbon distributions can be generated, increase fuel consumption, reduce engine performance.
Summary of the invention
The purpose of the present invention is to provide a kind of automobile engine lubricating oils to guarantee device and its control method, passes through machine oil
It adds storage tank and control circuit and machine oil is added from the crankcase of trend engine according to machine oil behaviour in service.
To achieve the goals above, the technical scheme is that
A kind of automobile engine lubricating oil guarantee device, including there being the automobile engine oil pan of machine oil, engine is opened
Machine oil in oil sump is pumped into engine crankcase by lubricating oil pump after dynamic, and the machine oil deposit in the engine sump tank is not
The machine oil deposit of minimum machine oil dosage needed for considering one drain period inner engine oil loss of automobile, keeping engine lubrication, it is described
Device further includes a machine oil addition storage tank, has additional tube-carrier in the oil pumping passage of the lubricating oil pump, the tube-carrier protrudes into
Storage tank is added to machine oil, a controlled valve is arranged in the oil pumping passage of lubricating oil pump, a valve positioner connection switch valve
The connection and closing of door control tube-carrier.
A kind of automobile engine lubricating oil guarantees device, including automobile engine, and setting is provided with crankcase on engine
The oil sump of machine oil, the machine oil deposit in the engine sump tank be do not consider one drain period inner engine oil loss of automobile,
The machine oil deposit of minimum machine oil dosage needed for keeping engine lubrication, described device further include machine oil addition a storage tank, machine oil
Addition pump and switch, the machine oil addition storage tank are connected to by machine oil addition pump with the oil sump, automobile storage battery power supply and machine
The power input terminal that oil addition pumps is linked together by the switch, and the switch is when machine oil is less than machine oil in oil sump
Start the switch that machine oil addition pump adds machine oil into oil sump when deposit.
It is listed in a specific embodiment around the more preferred embodiments of described device, and as claims
The appurtenance of middle device independent right.
A kind of automobile engine lubricating oil guarantee control method, is the lubrication for guaranteeing device based on automobile engine lubricating oil
Oily automatic guarantee control method, described device organic oil add storage tank；Machine oil deposit in the oil sump described first is not consider
The machine oil deposit of minimum machine oil dosage needed for one drain period inner engine oil loss of automobile, holding engine lubrication；There is an oil
The ruler position standard value of bottom case inner engine oil deposit in the quiescent state；Its method and step is: stopping engine, connects control power supply, measurement
The machine oil static state storage of engine under static state, when machine oil static state storage is less than ruler position standard value, starting machine oil addition
It pumps to oil sump and supplements machine oil.
A kind of automobile engine lubricating oil guarantee control method, is the lubrication for guaranteeing device based on automobile engine lubricating oil
Oily automatic guarantee control method, described device organic oil add storage tank；Machine oil deposit in the oil sump described first is not consider
The machine oil deposit of minimum machine oil dosage needed for one drain period inner engine oil loss of automobile, holding engine lubrication；There is an oil
Dynamic stock standard value of the bottom case inner engine oil deposit under engine operating state；The method step is:
Step 1: starting engine, automobile are in walking or halted state；
Step 2: dynamic stock of the dynamic detection machine oil in oil sump；
Step 3: dynamic stock is compared with dynamic stock standard value；
Step 4: machine oil is added the machine oil addition in storage tank and is started when dynamic stock is less than dynamic stock standard value
Oil pan is until dynamic stock is greater than dynamic stock standard value, return second step.
It is listed in a specific embodiment around the more preferred embodiments of the method, and as claims
The appurtenance of middle method independent right.
Under the conditions of consumption of lubricating oil of the present invention when meeting engine work, lubricating oil is constantly consumed in engine
While, engine make-up oil is given in time, is ensured that engine is in most power save mode using lubricants capacity, is played engine
Efficiency, make lubricating system more reasonable, allow engine more fuel-economizing, reduce the generation of carbon distribution；It has the benefit that
1. the present invention realizes the automatic addition of automobile engine lubricating oil, guarantee that automobile engine lubricating oil is most
Under conditions of lower security dosage, reduce lubricating oil to the maximum extent and give engine bring resistance, improves start to greatest extent
Machine power allows engine more to save fuel oil, engine power 2% to 11% can be improved under different rotating speeds.
2. this invention removes engine because caused by more than lubrication oil consumption within a drain period make-up oil
Problem is brought convenience to car owner, also avoids make-up oil bring risk not in time.
3. the carbon distribution quantity that the present invention can be reduced lubricating oil generation.
4. the present invention is simple and reliable, at low cost, easy to implement.
The present invention is described in detail with reference to the accompanying drawings and examples.
Detailed description of the invention
1 structural schematic diagram of Fig. 1 embodiment of the present invention；
1 valve positioner schematic diagram of Fig. 2 embodiment of the present invention；
2 structural schematic diagram of Fig. 3 embodiment of the present invention；
3 structural schematic diagram of Fig. 4 embodiment of the present invention；
2 switch control schematic diagram of Fig. 5 embodiment of the present invention；
3 switch control schematic diagram of Fig. 6 embodiment of the present invention.
Specific embodiment
Embodiment 1:
A kind of automobile engine lubricating oil guarantee device, it is particularly suitable suitable for the internal combustion engine type engine of all automobiles
In TGDI(TSI) engine, as depicted in figs. 1 and 2, described device includes 1 of automobile engine, is provided with to have on engine and mentions
For the oil sump 101 of crankcase engine oil 102, the machine oil in oil sump is pumped into engine song by lubricating oil pump 2 after engine start
Axle box, above structure are prior art constructions, and in the prior art, the machine oil in oil sump is if it is considered that the machine oil deposit of loss is
(automobile of general 0.5 to 2 liter capacity is the machine oil stored in oil sump when upper limit scale in usual machine oil surveyors' staff before feeling the pulse with the finger-tip
2 to 5 liters, the automobile of 2 to 5 liter capacities is 3 to 6 liters, and automobiles more than 5 liter capacities is 6 liters or more), while the requirement of machine oil
And machine oil pump pressure will keep the machine oil requirement of rated pressure, i.e. holding engine crankcase lubricates required rated oil pressure
Machine oil refers to that lubricating pump of automobile squeezes into crankcase, guarantees the machine oil of the machine oil pump pressure of the basic lubrication needs of crankcase, it is contemplated that
Loss and operational safety, for automobile within a drain period, the machine oil that oil sump is laid at present is all to maintain engine crankshaft
2 to 2.5 times of minimum machine oil dosage needed for case lubrication.As the present embodiment, the machine oil deposit in the engine sump tank is
The machine oil deposit of minimum machine oil dosage needed for not considering one drain period inner engine oil loss of automobile, keeping engine lubrication, institute
Stating device further includes a machine oil addition storage tank 3, has additional tube-carrier 202 in the oil pumping passage 201 of the lubricating oil pump, described attached
Pipe is added to extend into machine oil addition storage tank, a controlled valve 4 is arranged in the oil pumping passage of lubricating oil pump, and the controlled valve is
The controlled valve that tube-carrier allows lubricating oil pump from machine oil addition storage tank extraction machine oil is opened, a connection of valve positioner 5 is opened
The connection and closing of closing valve control tube-carrier；Wherein, the controlled valve is a kind of controlled electric-controlled switch valve, can be with
It is an Electrocontrolled tee valve door, the main channel of three-way valve is connected to the oil pumping passage entrance of lubricating oil pump, three-way valve other two
A channel is respectively connected to oil sump and machine oil addition storage tank, valve positioner therein according to controlled valve structure it is different without
Together, such as when controlled valve is selected as hydraulic valve, valve positioner is then a hydraulic valve controller, when selection is pneumatic
Controlled valve, valve positioner are then a pneumatic valve controllers.
In embodiment, a preferred embodiment is: the tube-carrier is added to the main oil pipe 203 that lubricating oil pump extend into oil sump
On, when main oil pipe oil pumping, machine oil can be added to extracting out again for storage tank using the principle tube-carrier of siphon, therefore, in order to control
Flow, the bore of the tube-carrier are less than main oil pipe internal diameter, are at least less than half.The controlled valve can be with
There are many forms, such as operated pneumatic valve, for the ease of control, preferably, the present embodiment uses Electromagnetic Control valve,
The Electromagnetic Control valve is arranged on tube-carrier.
In embodiment, for the ease of control, as shown in Fig. 2, the valve positioner 5 includes microprocessor 501 and one
Electromagnetic valve switch driving circuit 502, the microprocessor have a signal input circuit and a control output circuit, the letter
Number input circuit connection automobile engine operating parameter signal output 6, the control output circuit connection electromagnetic valve switch drives
Circuit, electromagnetic valve switch driving circuit connect Electromagnetic Control valve；The automobile engine parameter signal output is that engine turns
The output of fast signal, temperature signal output, the engine oil level signal output of oil sump, the output of engine oil pressure signal, signal can be with
It is obtained from the control circuit of automobile, the engine oil level signal output of oil sump therein can also be by being arranged liquid in oil sump
Level sensor obtains.
In embodiment, the machine oil addition storage tank is structure as a whole with oil sump, the machine oil addition storage tank and the machine of being used for
It is separated between the oil sump of oil deposit by partition 7, the machine oil addition storage tank can also be provided separately with oil pan, by machine
Oil addition storage tank is mounted on the vehicle frame of automobile.
In embodiment, it is described do not consider the loss of one drain period inner engine oil of automobile, keep engine lubrication needed for minimum
The machine oil deposit of machine oil dosage is to consider to be lost within one drain period of automobile and keep the engine lubrication engine oil storage capacity upper limit
The 40% to 60% of value.
Embodiment 2:
The present embodiment is a kind of scheme for removing tube-carrier based on embodiment 1: a kind of automobile engine lubricating oil guarantee dress
Set, suitable for the internal combustion engine type engine of all automobiles, especially suitable for TGDI(TSI) engine, as shown in figure 3, the dress
It sets including 1 of automobile engine, setting is provided with the oil sump 101 of crankcase engine oil 102, the engine sump tank on engine
Interior machine oil deposit is minimum machine oil dosage needed for not considering one drain period inner engine oil loss of automobile, keeping engine lubrication
Machine oil deposit, described device further includes machine oil addition storage tank 3, machine oil addition pump 8 and switch 9, and the machine oil addition is stored up
Tank is connected to by machine oil addition pump with the oil sump, and automobile storage battery power supply 10 and the power input terminal of machine oil addition pump pass through
Repairing switch 9-1 in the switch links together, and the switch is the starting when machine oil is less than machine oil deposit in oil sump
Machine oil addition pump adds the switch of machine oil into oil sump.Machine oil is returned and is altered in order to prevent, in machine oil addition storage tank and oily bottom
The check valve 11 that can only be circulated to engine motor oil adding mouth is provided in petroleum pipeline between shell machine oil adding mouth.
In embodiment: as shown in figs. 1 and 3, the machine oil addition storage tank is structure as a whole with oil sump, the machine oil addition
It is separated between storage tank and the oil sump for machine oil deposit by partition 7.
But as existing motor vehicle, organic oil adding mouth is set in automobile engine, the machine oil adds storage tank
It can be provided separately with oil pan, machine oil addition storage tank is mounted on the vehicle frame of automobile, the switch, which utilizes, to be started
The scarce machine oil of machine has OFF signal, starts machine oil addition pump in due course, timely to supplement suitable machine oil for engine, wherein if examined
It is (general to consider the machine oil stored in oil sump when the machine oil deposit being lost refers at present upper limit scale in usually machine oil surveyors' staff
The automobile of 0.5 to 2 liter capacity is 2 to 5 liters, and the automobile of 2 to 5 liter capacities is 3 to 6 liters, automobiles more than 5 liter capacities be 6 liters with
On), while the requirement of machine oil is also the machine oil requirement that machine oil pump pressure will keep rated pressure, that is, keeps engine crankshaft
The machine oil of rated oil pressure needed for case lubricates refers to that lubricating pump of automobile squeezes into crankcase, guarantees the machine oil of the basic lubrication needs of crankcase
The machine oil of pump pressure, it is contemplated that loss and operational safety, automobile is within a drain period, oil sump is laid at present machine oil
All it is to maintain 2 to 2.5 times of minimum machine oil dosage needed for engine crankcase lubrication.Therefore, described not consider that one, automobile is changed
The machine oil deposit of minimum machine oil dosage needed for oily period inner engine oil loss, holding engine lubrication is a known data, is
Consider to be lost within one drain period of automobile and keeps the 40% to 60% of engine lubrication engine oil storage capacity upper limit value.With one
Specific example explanation is: consider that being lost and keeping the engine lubrication engine oil storage capacity upper limit is 5L within a drain period, it is described
Do not consider drain period inner engine oil loss, keep engine lubrication needed for minimum machine oil dosage be exactly 2L to 3L.
Machine oil adding mouth in embodiment can be the hole newly opened in engine crankcase, or add in organic oil
The hole being arranged on the lid of entrance, or the aperture of top setting is leaned in fuel tank oil sump.
Embodiment 3:
The present embodiment is further improvement on the basis of embodiment 2, therefore the content in embodiment 2 also should be used as this
A part in embodiment, in order to realize the machine oil dynamic equilibrium in oil sump, in the present embodiment: as shown in figure 4, described device
It further include a machine oil drawing pump 12, the machine oil addition storage tank is connect with machine oil drawing pump, and machine oil drawing pump passes through petroleum pipeline
Road is connected to oil sump 101, and machine oil drawing pump is used to extract out in the machine oil in oil sump, and the automobile storage battery power supply and machine oil are taken out
The power input terminal pumped out is linked together by the oil pumping switch 9-2 in the switch, and therefore, the switch is still when oil
The switch of starting machine oil drawing pump work when bottom case inner engine oil is greater than the machine oil of 1.2 times of machine oil deposits.
In embodiment 2 and 3: the switch is a button switch, and the button switch is mounted in the driver's cabin of automobile.
Embodiment 4:
The present embodiment is further improvement on the basis of embodiment 1, therefore the content in embodiment 1 also should be used as this
A part in embodiment, the present embodiment: as shown in figure 5, the switch is micro- by the Industry Control of current market offers
Device control circuit composition is managed, including the repairing relay 9-1 switched as repairing and a microprocessor 9-3, repairing relay
Input connect automobile storage battery power supply, repairing relay output connection machine oil addition pump power input terminal, micro- place
Reason device has a signal input circuit and a control output circuit, the signal input circuit connection automobile engine operation ginseng
Number signal output 6, the control output circuit connects repairing relay on-off control circuit.
Embodiment 5:
The present embodiment is further improvement on the basis of embodiment 2 and 3, therefore the content in embodiment 2 and 3 is also answered
As a part in the present embodiment, the present embodiment: as shown in fig. 6, the switch includes the repairing relay as repairing switch
Device 9-1, the oil pumping relay 9-2 and a microprocessor 9-3 switched as oil pumping, repairing relay and the defeated of relay of pumping
Enter to connect automobile storage battery power supply, the power input terminal of the output connection machine oil addition pump 8 of repairing relay, relay of pumping
The power input terminal of output connection machine oil drawing pump 12, the microprocessor have signal input circuit and control output circuit,
The signal input circuit connection automobile engine parameter signal output, output signal that there are two the control output circuits, two
A output signal is to add machine oil control signal and pump oil control signal respectively, adds machine oil control signal connection repairing relay
Control circuit, pump oil control the control circuit of signal connection oil pumping relay.
In above-described embodiment: the automobile engine parameter signal output includes at least the machine oil of automobile engine oil pan
Liquid level signal output or the output of engine oil pressure signal, thus: liquid level biography is provided in automobile engine crankcase oil sump
Sensor, engine oil pressure signal can be obtained from former engine operating parameter output board.When using engine oil pressure signal, work as machine oil
When pressure signal is reduced to a certain numerical value, microprocessor calculates the oil level lacked, and according to the conveying machine oil energy of lubricating oil pump
Power calculates the working time of oiling lubricating oil pump, and timely starter motor operation of oil pump is supplemented in time for engine by the time calculated
Machine oil lacking in engine.
In above-described embodiment: the oil starvation signal output as engine oil pressure signal is by the machine oil of automotive engine control plate
Current potential when pressure reaches lower limit is exported by the signal that an electronic switch converts.Control circuit therein is exactly
To the control circuit of pulling relay coil.
In above-described embodiment: the microprocessor is a single-chip microcontroller, after single-chip microcontroller receives oil starvation signal, according to pre-
The time cycle first set controls start signal output lubricating oil pump and conveys machine oil to crankcase.Single-chip microcontroller is believed using engine parameter
Number output, such as: the engine oil pressure signal of engine crankcase, when engine oil pressure signal is reduced to a certain numerical value, single-chip microcontroller
The oil level lacked is calculated, and goes out the working time of lubricating oil pump according to the conveying machine oil capacity calculation of lubricating oil pump, is started in time
Machine oil pump work supplements machine oil lacking in engine in time by the time calculated for engine.
There are two the test explanations that table is to above-mentioned apparatus below, in which: table 1 is to a kind of machine oil surveyors' staff full scale
The comparison of three kinds of machine oil reserves output powers is used for the engine of 5L, table 2 is to be to full scale in a kind of machine oil surveyors' staff
The engine of 5L is lost using the machine oil of three kinds of machine oil reserves.
Table 1
Table 2
Table 1 clearly illustrates, when the ownership of machine oil is to consider that machine oil is lost and keeps on engine lubrication engine oil storage capacity
Limit value (surveyors' staff full scale) 50% to 60% when, output power in 1500 revs/min to 5000 revs/min sections,
Total trend is that engine power output can promote 2.24% to 11.56%.Table 2 illustrates the storage for changing machine oil in former storage
When 50%, it there is no and increase machine oil loss, change the storage of machine oil in the 60% of former storage, or even reduce machine oil damage
Consumption.
Embodiment 6:
A kind of automobile engine lubricating oil guarantees control method, is a kind of automobile engine lubricating oil based on the above embodiment
Guarantee that the lubricating oil of device guarantees control method automatically；Therefore the content in embodiment 1 to 5 and the structure should be as replies
The execution hardware of the present embodiment method, described device organic oil add storage tank；Machine oil deposit in the oil sump described first is not
The machine oil deposit of minimum machine oil dosage needed for considering one drain period inner engine oil loss of automobile, keeping engine lubrication, is to protect
The machine oil deposit for holding rated oil pressure needed for engine crankcase lubricates has the ruler position of an oil sump inner engine oil deposit in the quiescent state
Standard value；Its method and step is: stopping engine, connects control power supply, the machine oil of measurement engine under static state is static
Storage, when machine oil static state storage is less than ruler position standard value, starting machine oil addition pump supplements machine oil to oil sump, until oil sump
Interior machine oil is greater than the machine oil of 1.15 multiple length position standard values.When machine oil static state storage is greater than the machine oil of 1.2 multiple length position standard values,
Starting machine oil drawing pump is from extracting machine oil out into oil sump.
Wherein, it is described do not consider drain period inner engine oil loss, keep engine lubrication needed for minimum machine oil dosage machine
Oil deposit is value known to one, and calculated machine oil guarantees engine lubrication in engine sump when being Automobile Design
Storage value is to consider to be lost within a drain period and keep the 40% to 60% of the engine lubrication engine oil storage capacity upper limit.
Embodiment 7:
A kind of automobile engine lubricating oil guarantees control method, is a kind of automobile engine lubricating oil based on the above embodiment
Guarantee that the lubricating oil of device guarantees control method automatically；Therefore content and structure described in embodiment 1 to 5 should be as reply originally
The execution hardware of embodiment method.The present embodiment is advanced optimizing for embodiment 6, as the present embodiment method: described device
Organic oil adds storage tank；Machine oil deposit in the oil sump described first be do not consider the loss of one drain period inner engine oil of automobile,
The machine oil deposit of minimum machine oil dosage needed for keeping engine lubrication is to maintain rated oil pressure needed for engine crankcase lubricates
Machine oil deposit has dynamic stock standard value of the oil sump inner engine oil deposit under engine operating state；The method step
Suddenly it is:
Step 1: starting engine, automobile are in walking or halted state；
Step 2: dynamic stock of the dynamic detection machine oil in oil sump；
Step 3: dynamic stock is compared with dynamic stock standard value；
Step 4: machine oil is added the machine oil addition in storage tank and is started when dynamic stock is less than dynamic stock standard value
Oil pan is until dynamic stock is greater than dynamic stock standard value, return second step.
Wherein: dynamic stock standard value is that the machine oil in oil sump is pumped into after oil sump and also deposits in bottom shells of gasoline tanks by lubricating oil pump
Some machine oil is set, can be from Automobile Design unit through testing the known numeric value obtained.Therefore, described not consider that one, automobile is changed oil
The machine oil deposit of minimum machine oil dosage needed for the loss of period inner engine oil, holding engine lubrication is value known to one, is automobile
Calculated machine oil guarantees the storage value of engine lubrication in engine sump when design, is in one drain period of automobile
Interior consideration is lost and keeps the 40% to 60% of engine lubrication engine oil storage capacity upper limit value.
In embodiment, it is to utilize lubricating oil pump connection one that engine sump tank, which is added, in the machine oil by machine oil addition storage tank
A tube-carrier is into machine oil addition storage tank, the electromagnetic switch valve of opening connection tube-carrier realizes addition machine oil.
In embodiment, engine sump tank, which is added, in the machine oil by machine oil addition storage tank is added using a machine oil
Machine oil is added storage tank and oil sump connection by pump, and machine oil is added pump connection power supply and realizes addition machine oil.
In embodiment: when walking due to automobile, it is contemplated that the out-of-flatness on road surface and machine oil are back to oil from crankcase
Pasta fluctuation when bottom shell, therefore, dynamic stock of the dynamic detection machine oil in oil sump: being within the set time
Engine oil storage capacity value in repeated detection oil sump, and it is average to the engine oil storage capacity value of repeated detection, and the value after being averaged is that dynamic is deposited
Amount.The time of the setting can set according to experiment, such as 1 second, 5 seconds or 10 seconds, find out an optimal time cycle,
The repeated detection can also be determined according to experiment, such as find out an optimal pendulous frequency 5 times, 7 times, 9 times.
Wherein, the value of information of the engine oil storage capacity in the repeated detection oil sump is the liquid level by being arranged in case oil sump
The value of information that sensor obtains；The letter either obtained from engine oil storage capacity value corresponding with the engine oil pressure signal of engine surge
Breath value can have been tested and first obtain data, then establish a dynamic stock in the microprocessor and engine oil pressure is believed
Number corresponding numerical tabular.
In embodiment, as a kind of further prioritization scheme: the dynamic stock standard value is a float value, described
Method further comprises temperature parameter when obtaining engine operation, is increased when temperature is higher than engine normal operating temperature dynamic
The change rate of dynamic stock standard value of the state storage standard value up to 1.1 times, setting dynamic stock standard value can be with 1% rate
It is incremented by；Certainly engine speed or some other parameters can also be utilized, but is a kind of optimal scheme using temperature parameter.
Embodiment 6 can merge use with the present embodiment, realize the oily bottom of the two states of engine start and stopping
The dynamic of shell inner engine oil controls.
Claims (13)
1. a kind of automobile engine lubricating oil guarantees device, including having the automobile engine oil pan of machine oil, engine start
The machine oil in oil sump is pumped into engine crankcase by lubricating oil pump afterwards, which is characterized in that the machine in the engine sump tank
Oil deposit is the machine oil of minimum machine oil dosage needed for not considering one drain period inner engine oil loss of automobile, keeping engine lubrication
Deposit, described device further include a machine oil addition storage tank, have additional tube-carrier in the oil pumping passage of the lubricating oil pump, described attached
Pipe is added to extend into machine oil addition storage tank, a controlled valve is arranged in the oil pumping passage of lubricating oil pump, and a valve positioner connects
The connection and closing of controlled valve control tube-carrier are connect, it is described not consider one drain period inner engine oil loss of automobile, keep hair
The machine oil deposit of minimum machine oil dosage needed for motivation lubrication is to consider to be lost within one drain period of automobile and keep engine
The 40% to 60% of lubricating oil storage upper limit value；
The controlled valve is Electromagnetic Control valve, and the valve positioner includes microprocessor and an electromagnetic valve switch driving
Circuit, the microprocessor have a signal input circuit and a control output circuit, and the signal input circuit connects vapour
The output of car engine operating parameter signal, the control output circuit connect electromagnetic valve switch driving circuit, and electromagnetic valve switch drives
Dynamic circuit connection Electromagnetic Control valve, the automobile engine parameter signal output are the engine oil level signals of engine sump tank
Output.
2. a kind of automobile engine lubricating oil according to claim 1 guarantees device, which is characterized in that the tube-carrier increases
It is set to lubricating oil pump to extend on the main oil pipe of oil sump, the bore of the tube-carrier is less than main oil pipe internal diameter.
3. a kind of automobile engine lubricating oil according to claim 1 guarantees device, which is characterized in that the car engine
The output of machine parameter signal further includes engine rotational speed signal output, temperature signal output and the output of engine oil pressure signal.
4. a kind of automobile engine lubricating oil guarantees device, including automobile engine, setting is provided with crankcase machine on engine
The oil sump of oil, which is characterized in that the machine oil deposit in the engine sump tank was not considered in one drain period of automobile
The machine oil deposit of minimum machine oil dosage needed for machine oil loss, holding engine lubrication, described device further include a machine oil addition
Storage tank, machine oil addition pump and switch, the machine oil addition storage tank are connected to by machine oil addition pump with the oil sump, automobile storage battery
The power input terminal of power supply and machine oil addition pump is linked together by the switch, and the switch is when machine oil in oil sump
Starting machine oil addition pump adds the switch of machine oil into oil sump when less than machine oil deposit；
Described device further includes a machine oil drawing pump, and the machine oil addition storage tank is also connect with machine oil drawing pump, machine oil extraction
Pump is connected to by pipeline with oil sump, and the power input terminal of machine oil drawing pump is connect by the switch with automobile storage battery power supply
Together, the switch is the switch of the starting machine oil drawing pump work when machine oil is greater than 1.2 times of machine oil deposits in oil sump；Institute
It states and does not consider that one drain period inner engine oil of automobile is lost, the machine oil deposit of minimum machine oil dosage needed for holding engine lubrication is
Consider to be lost within one drain period of automobile and keeps the 40% to 60% of engine lubrication engine oil storage capacity upper limit value.
5. a kind of automobile engine lubricating oil according to claim 1 or 2 or 4 guarantees device, which is characterized in that the machine
Oil addition storage tank is structure as a whole with oil sump, the machine oil add storage tank and between the oil sump of machine oil deposit by every
Plate separates.
6. a kind of automobile engine lubricating oil according to claim 1 or 2 or 4 guarantees device, which is characterized in that the machine
Oil addition storage tank is provided separately with oil sump, and the machine oil addition storage tank is mounted on the vehicle frame of automobile.
7. a kind of automobile engine lubricating oil according to claim 4 guarantees device, which is characterized in that the switch includes
Repairing relay and a microprocessor, the input of repairing relay connect automobile storage battery power supply, and the output of repairing relay connects
The power input terminal that the oil addition that picks pumps, the microprocessor have a signal input circuit and a control output circuit,
The signal input circuit connection automobile engine operating parameter signal output, the control output circuit connect repairing relay
On-off control circuit, the automobile engine parameter signal output include at least the engine oil level signal of automobile engine oil pan
Output or the output of engine oil pressure signal.
8. a kind of automobile engine lubricating oil according to claim 4 guarantees device, which is characterized in that the switch includes
Repairing relay, oil pumping relay and a microprocessor, repairing relay connect automobile storage battery with the input of oil pumping relay
Power supply, the power input terminal of the output connection machine oil addition pump of repairing relay, the output connection machine oil for relay of pumping are taken out
The power input terminal pumped out, the microprocessor have signal input circuit and control output circuit, the signal input circuit
It connects automobile engine parameter signal to export, output signal that there are two the control output circuits, two output signals are respectively
Add machine oil control signal and pump oil control signal, adds the control circuit of machine oil control signal connection repairing relay, pump oil
The control circuit of signal connection oil pumping relay is controlled, the automobile engine parameter signal output includes at least automobile engine
The engine oil level signal of oil sump exports or the output of engine oil pressure signal.
It is the lubricating oil for guaranteeing device based on automobile engine lubricating oil 9. a kind of automobile engine lubricating oil guarantees control method
Automatic to guarantee control method, described device organic oil adds storage tank；It is characterized in that, the machine oil deposit first in oil sump is not
The machine oil deposit of minimum machine oil dosage needed for considering one drain period inner engine oil loss of automobile, keeping engine lubrication；Have one
Ruler position standard value under static state of a oil sump inner engine oil deposit when engine is inoperative；The machine oil addition storage tank passes through machine
Oil addition pump is connected to the oil sump, and automobile storage battery power supply and the power input terminal of machine oil addition pump are connected to by switch
Together, method and step is: stopping engine, connects control power supply, the machine oil static state of measurement engine under static state is deposited
Amount, when machine oil static state storage is less than ruler position standard value, starting machine oil addition pump supplements machine oil to oil sump；
It is described do not consider the loss of one drain period inner engine oil of automobile, keep engine lubrication needed for minimum machine oil dosage machine oil
Deposit is to consider to be lost within one drain period of automobile and keep the 40% to 60% of engine lubrication engine oil storage capacity upper limit value.
10. method according to claim 9, which is characterized in that the method further includes: when machine oil static state storage is greater than
When the machine oil of 1.2 multiple length position standard values, starting machine oil drawing pump extracts machine oil out from oil sump.
It is the lubrication for guaranteeing device based on automobile engine lubricating oil 11. a kind of automobile engine lubricating oil guarantees control method
Oily automatic guarantee control method, described device organic oil add storage tank；It is characterized in that, the machine oil deposit first in oil sump is
The machine oil deposit of minimum machine oil dosage needed for not considering one drain period inner engine oil loss of automobile, keeping engine lubrication；Have
Dynamic stock standard value of one oil sump inner engine oil deposit under engine operating state；Machine oil is added into the machine oil in storage tank
It is to be added in storage tank using lubricating oil pump one tube-carrier of connection to machine oil, open the electricity for connecting tube-carrier that engine sump tank, which is added,
Magnetic switch valve realizes addition machine oil, and the method step is:
Step 1: starting engine, automobile are in walking or halted state；
Step 2: dynamic stock of the dynamic detection machine oil in oil sump；
Step 3: dynamic stock is compared with dynamic stock standard value；
Step 4: machine oil being added the machine oil in storage tank when dynamic stock is less than dynamic stock standard value, engine oil being added
Bottom case is until dynamic stock is greater than dynamic stock standard value, return second step；
It is described do not consider the loss of one drain period inner engine oil of automobile, keep engine lubrication needed for minimum machine oil dosage machine oil
Deposit is to consider to be lost within one drain period of automobile and keep the 40% to 60% of engine lubrication engine oil storage capacity upper limit value.
12. a kind of automobile engine lubricating oil according to claim 11 guarantees control method；It is characterized in that, described dynamic
State detects dynamic stock of the machine oil in oil sump: it is the engine oil storage capacity value within the set time in repeated detection oil sump,
The average value of the engine oil storage capacity value of repeated detection is obtained, the average value is dynamic stock.
13. a kind of automobile engine lubricating oil according to claim 12 guarantees control method；It is characterized in that, described more
The value of information of engine oil storage capacity in secondary detection oil sump is the value of information obtained by the liquid level sensor being arranged in oil sump；Or
Person is the value of information obtained from engine oil storage capacity value corresponding with the engine oil pressure signal of engine surge.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410391552.XA CN105443193B (en) | 2014-08-11 | 2014-08-11 | A kind of automobile engine lubricating oil guarantees device and its control method |
| PCT/CN2014/090371 WO2016023279A1 (en) | 2014-08-11 | 2014-11-05 | Automobile engine lubricating oil guaranteeing device and control method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410391552.XA CN105443193B (en) | 2014-08-11 | 2014-08-11 | A kind of automobile engine lubricating oil guarantees device and its control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105443193A CN105443193A (en) | 2016-03-30 |
| CN105443193B true CN105443193B (en) | 2019-04-16 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410391552.XA Expired - Fee Related CN105443193B (en) | 2014-08-11 | 2014-08-11 | A kind of automobile engine lubricating oil guarantees device and its control method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105443193B (en) |
| WO (1) | WO2016023279A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345493B (en) * | 2016-05-05 | 2020-07-28 | 上海汽车集团股份有限公司 | Method for adjusting lubricating oil liquid level of engine lubricating system |
| CN109163078A (en) * | 2018-09-03 | 2019-01-08 | 合肥工业大学 | Automotive transmission with fuel-flow control mechanism |
| CN109695490B (en) * | 2019-02-27 | 2024-03-15 | 潍柴动力扬州柴油机有限责任公司 | Device for monitoring engine oil level and automatically supplementing oil |
| CN112031891B (en) * | 2020-08-27 | 2022-02-11 | 徐州徐工矿业机械有限公司 | Engine starting pre-lubrication system and method based on full-time oil level monitoring |
| CN111929110B (en) * | 2020-09-01 | 2024-12-31 | 清华大学苏州汽车研究院（吴江） | An engine bench test oil sampling device |
| CN112324535A (en) * | 2020-09-26 | 2021-02-05 | 熵零技术逻辑工程院集团股份有限公司 | A kind of engine step lubrication method and its engine |
| CN114810278B (en) * | 2022-03-23 | 2023-04-25 | 东风柳州汽车有限公司 | Automatic oil content supplementing method and oiling system for engine |
| CN118328059A (en) * | 2024-05-17 | 2024-07-12 | 江苏凯捷机械制造有限公司 | Electrohydraulic push rod |
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- 2014-11-05 WO PCT/CN2014/090371 patent/WO2016023279A1/en active Application Filing
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| US3712420A (en) * | 1971-04-06 | 1973-01-23 | Mack Trucks | Engine lubrication system |
| US4556024A (en) * | 1985-01-07 | 1985-12-03 | Ford Motor Company | Engine lubrication system |
| CN1160135A (en) * | 1996-02-28 | 1997-09-24 | 卡明斯发动机公司 | Electronically controlled continuous lubricating oil replacement system |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2016023279A1 (en) | 2016-02-18 |
| CN105443193A (en) | 2016-03-30 |
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