CN106368805A - Hybrid power vehicle and lubricating and cooling system and method of supercharger - Google Patents
Hybrid power vehicle and lubricating and cooling system and method of supercharger Download PDFInfo
- Publication number
- CN106368805A CN106368805A CN201610725365.XA CN201610725365A CN106368805A CN 106368805 A CN106368805 A CN 106368805A CN 201610725365 A CN201610725365 A CN 201610725365A CN 106368805 A CN106368805 A CN 106368805A
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- China
- Prior art keywords
- supercharger
- lubricating
- oil pump
- lubricating oil
- cooling system
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/14—Lubrication of pumps; Safety measures therefor
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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
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
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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
- F01M1/00—Pressure lubrication
- F01M1/18—Indicating or safety devices
- F01M1/20—Indicating or safety devices concerning lubricant pressure
-
- 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
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/005—Controlling temperature of lubricant
- F01M5/007—Thermostatic control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/12—Arrangements for cooling other engine or machine parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P2003/006—Liquid cooling the liquid being oil
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a lubricating and cooling system of a supercharger. The lubricating and cooling system comprises a first engine oil pump and further comprises a second engine oil pump, a monitoring device and a control device. The second engine oil pump is connected with the first engine oil pump in parallel. The monitoring device is used for monitoring the temperature signal of engine oil in the supercharger. The control device prestores the engine oil temperature during normal work of the supercharger, and the engine oil temperature during normal work of the supercharger serves as the standard temperature value. When an engine is in a shutdown state and the temperature signal is larger than the standard temperature value, the control device controls the second engine oil pump to be started; and when the engine is in the shutdown state, the second engine oil pump can supply oil to the supercharger, and therefore the supercharger can be cooled, the overheat phenomenon of the supercharger is prevented, and therefore the working reliability of the supercharger is improved, and the service life of the supercharger is prolonged. The invention further discloses a hybrid power vehicle. The invention further discloses a lubricating and cooling method of the supercharger.
Description
Technical field
The present invention relates to vehicle mechanical technical field, particularly to the lubrication of a kind of motor vehicle driven by mixed power and supercharger
System and method.
Background technology
With country in the last few years, new forms of energy vehicle is widelyd popularize, it is big that hybrid-power bus slowly spread to each
Small and medium-sized cities, hybrid electric vehicle, as new forms of energy buses, has very strong commercial value and environment protection significance.Hybrid power at present
In bus system, the electromotor of coupling is to select from existing electromotor, only considers car load dynamic property in matching process
With economy, it is not directed to hybrid power system distinctive engine operating condition and electromotor is done with corresponding change, lead to electromotor
There is the risk breaking down in hybrid power system running, wherein exhaust-driven turbo-charger exhaust-gas turbo charger is exactly easily to break down
One parts.
The operation principle of exhaust-driven turbo-charger exhaust-gas turbo charger is: the waste gas that electromotor is discharged is introduced in turbine, using waste gas energy
Amount promotes turbine rotation, thus driving the compressor coaxial with turbine to realize supercharging, for ensureing its normal work, this supercharger
Need to be in good lubricant environment.
At present, existing supercharger lubrication is realized by lubricating oil pump it is generally the case that lubricating oil pump is with electromotor machinery even
The mechanical lubricating oil pump connecing, its operation principle is: when the engine operates, the driving gear on its camshaft drives the biography of lubricating oil pump
Moving gear, so that lubricating oil pump delivers to oil pressure in supercharger.Therefore, said engine oil pump relies on engine driving, with starting
Machine starts and starts, and when electromotor is shut down, this lubricating oil pump is also shut down, and now, this lubricating oil pump can not provide machine oil for supercharger.
For motor vehicle driven by mixed power, when it travels in crowded shopping centre, frequently can trigger start-stop mode, and
When this motor vehicle driven by mixed power electromotor is shut down, vehicle is not off running, but is continued to run with by electrical energy drive, and electromotor
During shutdown, lubricating oil pump is shut down therewith it is impossible to supercharger fuel feeding, when the frequent start-stop of electromotor, booster intermediate body is due to going out
Show dry friction phenomenon and be in superheat state, lead to supercharger oil leak, reduce its functional reliability and service life.
In view of the defect that above-mentioned booster lubricating system exists is it would be highly desirable to provide one kind can improve supercharging when electromotor is shut down
The booster lubricating system of device cooling effect.
Content of the invention
For solving above-mentioned technical problem, the first object of the present invention is a kind of lubricating and cooling system of supercharger of offer, its
First lubricating oil pump has been arranged in parallel the second lubricating oil pump, and when engine off condition, this second lubricating oil pump can supply for supercharger
Oil, thus cooling down to supercharger, preventing it from overheated situation, and then improving functional reliability and the use of supercharger
Life-span.The second object of the present invention is for providing a kind of motor vehicle driven by mixed power.The third object of the present invention is for providing a kind of supercharger
Lubricating and cooling method.
In order to realize the first object of the present invention, the present invention provides a kind of lubricating and cooling system of supercharger, including first
Lubricating oil pump, also includes:
Second lubricating oil pump, with described first machine oil parallel connection of pumps；
Monitoring device, for monitoring the temperature signal of supercharger inner engine oil；
Control device, the oil temperature prestoring supercharger normal work, as standard temperature value, stops when electromotor is in
Machine state, and when temperature signal is more than described standard temperature value, described control device controls described second machine oil pump startup.
The present invention, by setting and the second lubricating oil pump of the first machine oil parallel connection of pumps, shut down when electromotor, the first lubricating oil pump with
Shutdown and when leading to supercharger oil temperature too high, this second lubricating oil pump starts under control of the control means, can be for increasing
Depressor fuel feeding, to avoid the appearance of booster intermediate body dry friction phenomenon, thus cooling down to supercharger, prevents it overheated,
And then improve reliability and the service life of supercharger work.
Alternatively, described monitoring device is pressure-temperature sensor, for monitor the pressure signal of supercharger inner engine oil with
Temperature signal；
Described control device also prestore supercharger normal work engine oil pressure as reference pressure value, when electromotor prepares
Start, and when pressure signal is less than described reference pressure value, described control device controls described second machine oil pump startup.
Alternatively, when the temperature signal of described monitoring device monitoring is not more than described standard temperature value, described control dress
Put described second lubricating oil pump of control to shut down；
When the pressure signal of described monitoring device monitoring is not less than described reference pressure value, described control device controls institute
State the second lubricating oil pump to shut down.
Alternatively, two three-way valve are passed through between described first lubricating oil pump and described second lubricating oil pump in parallel.
Alternatively, described first lubricating oil pump is the mechanical lubricating oil pump being connected with electromotor, and described second lubricating oil pump is electronic
Lubricating oil pump.
Alternatively, described first lubricating oil pump is all connected with supercharger by cleaner with described second lubricating oil pump.
In order to realize the second object of the present invention, the present invention also provides a kind of motor vehicle driven by mixed power, including car body and located at
The electromotor of described car body and supercharger, also include the lubricating and cooling system for lubricating described supercharger, wherein, described lubrication
Cooling system is above-described lubricating and cooling system.
In order to realize the third object of the present invention, the present invention further provides a kind of lubricating and cooling method of supercharger, adopt
Use above-described lubricating and cooling system, described lubricating and cooling method comprises the steps:
10) oil temperature of the supercharger normal work that prestores is as standard temperature value；
20) judge whether electromotor is in stopped status, if so, carry out step 30)；
30) monitoring device of described lubricating and cooling system monitors the temperature signal of supercharger inner engine oil, and judges that temperature is believed
Number whether it is more than described standard temperature value, if so, carries out step 40)；
40) control device of described lubricating and cooling system controls described second machine oil pump startup.
Alternatively, step 40) after, also comprise the steps:
41) described monitoring device continues the temperature signal of monitoring supercharger inner engine oil, and judges whether temperature signal is more than
Described standard temperature value, if it is not, carry out step 42)；
42) described control device controls described second lubricating oil pump to shut down.
Alternatively, step 10) in, the engine oil pressure of the supercharger normal work that also prestores is as reference pressure value；
Step 20) in, determine whether whether electromotor is in preparation starting state, if so, carry out step 31)；
31) whether described monitoring device monitors the pressure signal of supercharger inner engine oil, and judge pressure signal less than described
Reference pressure value, if so, carries out step 32)；
32) described control device controls described second machine oil pump startup.
Alternatively, step 32) after, also comprise the steps:
33) described monitoring device continues the pressure signal of monitoring supercharger inner engine oil, and judges whether pressure signal is less than
Described reference pressure value, if it is not, carry out step 34)；
34) described control device controls described second lubricating oil pump to shut down.
Brief description
Fig. 1 is the structural representation of the lubricating and cooling system of supercharger provided by the present invention；
Fig. 2 is the flow chart in the first specific embodiment for the lubricating and cooling method of supercharger provided by the present invention；
Fig. 3 is the flow chart in second specific embodiment for the lubricating and cooling method of supercharger provided by the present invention；
Fig. 4 is the flow chart in the third specific embodiment for the lubricating and cooling method of supercharger provided by the present invention.
In Fig. 1-4:
1 first lubricating oil pump, 2 second lubricating oil pump, 3 three-way valve, 4 pressure-temperature sensors, 5 superchargers, 51 oil-ins, 52 go out
Hydraulic fluid port, 6 control devices, 7 cleaners, 8 fuel tanks, 9 collecting filters.
Specific embodiment
In order that those skilled in the art more fully understands technical scheme, below in conjunction with the accompanying drawings and specifically real
The present invention is described in further detail to apply example.
Refer to accompanying drawing 1, Fig. 1 is the structural representation of the lubricating and cooling system of supercharger provided by the present invention.
In a kind of specific embodiment, the present invention provides a kind of lubricating and cooling system of supercharger, as shown in figure 1, this profit
Sliding cooling system includes the first lubricating oil pump 1 connect with supercharger 5, as stated in the Background Art, the first lubricating oil pump 1 and electromotor machine
Tool connects, and works under the driving of electromotor, and when electromotor is shut down, the first lubricating oil pump 1 is shut down therewith.In addition, this lubrication is cold
But system also includes following part: the second lubricating oil pump 2, in parallel with the first lubricating oil pump 1；Monitoring device, for monitoring supercharger 5
The temperature signal of inner engine oil；Control device 6, the oil temperature of supercharger 5 normal work that prestores as standard temperature value, when starting
Machine is in stopped status, and when temperature signal is more than this standard temperature value, control device 6 controls the second lubricating oil pump 2 to start.
In the present embodiment, by arranging second lubricating oil pump 2 in parallel with the first lubricating oil pump 1, when electromotor shutdown, the first machine
When oil pump 1 leads to supercharger 5 oil temperature too high therewith shutting down, this second lubricating oil pump 2 opens under the control of control device 6
Dynamic, can be supercharger 5 fuel feeding, to avoid the appearance of supercharger 5 intermediate dry friction phenomenon, thus carry out cold to supercharger 5
But, prevent it overheated, and then improve reliability and the service life of supercharger 5 work.
Further, as shown in figure 1, above-mentioned monitoring device can be pressure-temperature sensor 4, for monitoring in supercharger 5
The pressure signal of machine oil and said temperature signal, the engine oil pressure conduct of supercharger normal work in addition, control device 6 also prestores
Reference pressure value, when electromotor prepares to start, and when pressure signal is less than this reference pressure value, control device 6 controls the second machine
Oil pump 2 starts.
Be arranged such, in the present embodiment, monitoring device in addition to can monitoring the temperature signal of supercharger 5 inner engine oil moreover it is possible to
Enough monitor the pressure signal of machine oil, that is, when the pressure of supercharger 5 inner engine oil is too little it is also possible to control the by control device 6
Two lubricating oil pump 2 start, and are supercharger 5 fuel feeding, are lubricated with realizing supercharger 5, thus when ensureing that electromotor is in stopped status, increasing
Depressor 5 still has good lubricant effect.
Further, when the temperature signal of monitoring device monitoring is not more than standard temperature value, that is, when electromotor is shut down
Afterwards, by the second lubricating oil pump 2 fuel feeding for a period of time after oil temperature be not higher than standard temperature value, supercharger 5 was no longer on
During Warm status, control device 6 controls the second lubricating oil pump 2 to shut down.
When the pressure signal of monitoring device monitoring is not less than reference pressure value, that is, when electromotor prepares to start, by the
Two lubricating oil pump 2 fuel feeding for a period of time after engine oil pressure be not less than reference pressure value, supercharger 5 intermediate is no longer on dry friction
During state, control device 6 controls the second lubricating oil pump 2 to shut down.
Specifically, as shown in figure 1, between the first lubricating oil pump 1 and the second lubricating oil pump 2 pass through two three-way valve 3 in parallel.
It is arranged such, when the first lubricating oil pump 1 is shut down, when needing the second lubricating oil pump 2 auxiliary feed-oil, by changing two three-way valve
First lubricating oil pump 1, so as to be in the first working position, can be removed from working connection, and the second lubricating oil pump 2 is accessed by 3 state
Working connection；When engine work and when not needing the second lubricating oil pump 2 auxiliary feed-oil, three-way valve 3 is made to be in the second work
First lubricating oil pump 1 can be accessed working connection, and the second lubricating oil pump 2 is removed from working connection by position.
Therefore, the working condition of three-way valve 3 can in the present embodiment, be controlled by control device 6, so that it is in the first work
Switching between position and the second working position is in shutdown or during normal operating conditions such that it is able to realize electromotor, and supercharger 5 all has
There are good cooling and lubricant effect.
Specifically, as described above, the first lubricating oil pump 1 is the mechanical lubricating oil pump being mechanically connected with electromotor, the second lubricating oil pump 2
Can be that meanwhile, this motor controls also by control device 6 by motor-driven electronic oil pump.
When the second lubricating oil pump 2 is electronic oil pump, it can pass through the pressure according to supercharger 5 inner engine oil for the control device 6
Power and temperature directly control its working condition, and do not rely on the working condition of electromotor, and therefore, this second lubricating oil pump 2 can
Work independently.
In various embodiments above, the first lubricating oil pump 1 is connected with supercharger 5 by oil filter 7 with the second lubricating oil pump 2.
In addition, control device 6 is the EOC ecu of electromotor.
Specifically, the Fuel injection system of supercharger 5 is: the machine oil in fuel tank 8 is in the first lubricating oil pump 1 or the second lubricating oil pump 2
Working connection is entered through collecting filter 9, after the filtered device of machine oil 7 flowing out from lubricating oil pump filters, by entering of supercharger 5 under effect
Hydraulic fluid port 51 enters in supercharger 5, is then expelled in fuel tank 8 from the oil-out 52 of supercharger 5, so, that is, realizes machine oil and is increasing
Circulation in depressor 5, thus realize the lubrication to supercharger 5 and cooling.Obviously, the lubricating oil pump root being related in above-mentioned Fuel injection system
Pressure and temperature according to supercharger 5 inner engine oil determines.
In addition, the present invention also provides a kind of motor vehicle driven by mixed power, the electromotor including car body and located at car body and supercharger
5, also include the lubricating and cooling system for lubrication supercharger 5, wherein, this lubricating and cooling system is any of the above embodiment
Described in lubricating and cooling system.Because this lubricating and cooling system has above-mentioned technique effect, including this lubricating and cooling system
Motor vehicle driven by mixed power also should have corresponding technique effect, and here is omitted.
It should be noted that as stated in the Background Art, motor vehicle driven by mixed power makes it due to there is the situation of frequent start-stop
Supercharger 5 is in superheat state, and therefore, above-mentioned lubricating and cooling system is particularly suited for the frequent start-stop of motor vehicle driven by mixed power electromotor
When situation, certainly, above lubricating and cooling system can also be used for cooling and the greasing of this area various types of vehicles supercharger.
Please continue to refer to accompanying drawing 2-4, wherein, Fig. 2 is the lubricating and cooling method of supercharger provided by the present invention at the first
Flow chart in specific embodiment；Fig. 3 is the lubricating and cooling method of supercharger provided by the present invention in second specific embodiment
In flow chart；Fig. 4 is the flow chart in the third specific embodiment for the lubricating and cooling method of supercharger provided by the present invention.
On the basis of the lubricating and cooling system of above-mentioned supercharger, the present invention further provides a kind of lubrication of supercharger is cold
But method, as shown in Fig. 2 comprise the steps:
S10: the oil temperature of supercharger 5 normal work that prestores is as standard temperature value.
It should be noted that supercharger 5 normal work refers to the machine oil state good to the cooling effect of supercharger 5.
S20: judge whether electromotor is in stopped status, if so, carry out step s30；
The monitoring device of s30: lubricating and cooling system monitors the temperature signal of machine oil, and judges temperature signal now whether
More than above-mentioned standard temperature value, if so, carry out step s40；
The control device 6 of s40: lubricating and cooling system controls the second lubricating oil pump 2 to start.
In embodiment shown in Fig. 2, after electromotor is shut down, the first lubricating oil pump 1 fuel cut-off, i.e. supercharger 5 oil-in 51
Machine oil is not had to enter, now, if the temperature of supercharger 5 inner engine oil is higher than standard temperature value, supercharger 5 is in superheat state,
Control device 6 controls the second lubricating oil pump 2 to open, and the oil pressure in fuel tank 8 is sent in supercharger 5, supercharger 5 is carried out cold
But, thus improving functional reliability and the service life of supercharger 5.
Further, as shown in figure 3, after step s40, also comprising the steps:
S41: continue the temperature signal of monitoring supercharger 5 inner engine oil, and judge temperature signal now whether more than above-mentioned
Standard temperature value, if it is not, carry out step s42；
S42: control device 6 controls the second lubricating oil pump 2 to shut down.
In embodiment shown in Fig. 3, supercharger 5 be in superheat state, start the second lubricating oil pump 2 after, continue monitoring machine oil
Temperature signal, if oil temperature now is no longer above standard temperature value, supercharger 5 is no longer on superheat state, therefore,
Control device 6 controls the second lubricating oil pump 2 fuel cut-off.
Certainly, this lubricating and cooling method, it is not necessary to including step s41 and s42, after electromotor is shut down, also can make second
Lubricating oil pump 2 is in running order all the time, now obviously can solve the problem that the problems of excessive heat of supercharger 5, but, in the present embodiment, lead to
Cross and above-mentioned two steps are set, when supercharger 5 is no longer overheated, so that the second lubricating oil pump 2 is shut down, the work of energy saving can be played
With.
Further, in step s10, during supercharger 5 normal work that also prestores the pressure of machine oil as reference pressure value,
As shown in Figure 4 in shown embodiment, step s10 is: during supercharger 5 normal work that prestores, the temperature and pressure of machine oil is made respectively
For standard temperature value and reference pressure value.
In step s20, when electromotor is in stopped status, determine whether whether electromotor is in preparation and starts shape
State, if so, carries out step s31；
S31: the pressure signal of machine oil in monitoring supercharger 5, and judge whether pressure signal now is less than normal pressure
Value, if so, carries out step s32；
S32: control device 6 controls the second lubricating oil pump 2 to start.
Because the first lubricating oil pump 1 is machinery lubricating oil pump driven by the engine, when the engine starts, this first lubricating oil pump
1 starting time is slightly later than the starting time of electromotor, therefore, in the 3-5 second that electromotor has just started, supercharger 5 grade Machinery Ministry
Part operates under conditions of not having lubricating oil injection, thus leading to supercharger 5 dry friction phenomenon to occur.
In the present embodiment, when lubricating and cooling system receives the signal that electromotor prepares startup, judge machine in supercharger 5
Whether the pressure of oil reaches reference pressure value, if not up to, starting the second lubricating oil pump 2 immediately, carrying out pre- profit to supercharger 5
Sliding, thus the supercharger 5 intermediate dry friction avoiding before engine start the first lubricating oil pump 1 not actuated and leading to, carry further
The reliability of high blower 5 work and service life.
As shown in figure 4, after step s32, also comprising the steps:
S33: continue the pressure signal of monitoring supercharger 5 machine oil, and judge whether pressure signal is less than above-mentioned standard pressure
Value, if it is not, carry out step s34；
S34: control device 6 controls the second lubricating oil pump 2 to shut down.
In the present embodiment, before engine start, start the second lubricating oil pump 2 and supercharger 5 is carried out with pre-lubrication, continue monitoring and increase
The pressure signal of depressor 5 inner engine oil, if engine oil pressure now is not less than reference pressure value, supercharger 5 intermediate is no longer located
In dry condition, its lubrication circumstances is good, and therefore, control device 6 controls the second lubricating oil pump 2 fuel cut-off, now, electromotor
May in running order it is also possible to still not actuated.
Similarly, this lubricating and cooling method is also it is not necessary to include step s33 and s44, the setting side in the present embodiment
Formula also being capable of the effectively save energy.
Obviously, in the present invention, the lubricating and cooling system of supercharger 5 and method are capable of supercharger 5 intermediate in electromotor
Pre-lubrication before startup and the supplement heat rejecter after electromotor shutdown, enable in particular to meet the frequent start-stop of motor vehicle driven by mixed power electromotor
Performance requirement to supercharger 5 during working condition.In addition, in various embodiments above, the lube system of supercharger in the prior art
On the basis of system, only select pressure-temperature sensor by increasing by 2, two three-way valve 3 of the second lubricating oil pump and monitoring device, that is,
Lubrication and cooling to supercharger 5 intermediate when achievable electromotor is shut down, therefore, this lubricating and cooling system also has structure letter
Singly, the advantages of be easily achieved and operate.
Above a kind of motor vehicle driven by mixed power provided by the present invention and the lubricating and cooling system of supercharger and method are all entered
Go and be discussed in detail.Specific case used herein is set forth to the principle of the present invention and embodiment, above enforcement
The explanation of example is only intended to help and understands the method for the present invention and its core concept.It should be pointed out that it is general for the art
For logical technical staff, under the premise without departing from the principles of the invention, the present invention can also be carried out with some improvement and modify, this
A little improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (11)
1. a kind of lubricating and cooling system of supercharger, including the first lubricating oil pump (1) it is characterised in that also including:
Second lubricating oil pump (2), in parallel with described first lubricating oil pump (1)；
Monitoring device, for monitoring the temperature signal of supercharger (5) inner engine oil；
Control device (6), the oil temperature prestoring supercharger (5) normal work as standard temperature value, when electromotor is in
Stopped status, and when temperature signal is more than described standard temperature value, described control device (6) controls described second lubricating oil pump (2)
Start.
2. lubricating and cooling system according to claim 1 is it is characterised in that described monitoring device is pressure-temperature sensor
(4), for monitoring pressure signal and the temperature signal of supercharger (5) inner engine oil；
Described control device (6) also prestore supercharger (5) normal work engine oil pressure as reference pressure value, when electromotor is accurate
Standby startup, and when pressure signal is less than described reference pressure value, described control device (6) controls described second lubricating oil pump (2) to open
Dynamic.
3. lubricating and cooling system according to claim 2 is it is characterised in that work as the temperature signal of described monitoring device monitoring
When being not more than described standard temperature value, described control device (6) controls described second lubricating oil pump (2) to shut down；
When the pressure signal of described monitoring device monitoring is not less than described reference pressure value, described control device (6) controls institute
State the second lubricating oil pump (2) to shut down.
4. lubricating and cooling system according to claim 1 is it is characterised in that described first lubricating oil pump (1) and described second
Pass through two three-way valve (3) in parallel between lubricating oil pump (2).
5. lubricating and cooling system according to claim 1 is it is characterised in that described first lubricating oil pump (1) is and electromotor
The mechanical lubricating oil pump connecting, described second lubricating oil pump (2) is electronic oil pump.
6. lubricating and cooling system according to claim 5 is it is characterised in that described first lubricating oil pump (1) and described second
Lubricating oil pump (2) is all connected with supercharger (5) by cleaner (7).
7. a kind of motor vehicle driven by mixed power, the electromotor including car body and located at described car body and supercharger (5), are also included for moistening
The lubricating and cooling system of sliding described supercharger (5) is it is characterised in that described lubricating and cooling system is arbitrary in claim 1-6
Lubricating and cooling system described in.
8. a kind of lubricating and cooling method of supercharger is it is characterised in that adopt the lubrication any one of claim 1-6 cold
But system, described lubricating and cooling method comprises the steps:
10) oil temperature of supercharger (5) normal work that prestores is as standard temperature value；
20) judge whether electromotor is in stopped status, if so, carry out step 30)；
30) monitoring device of described lubricating and cooling system monitors the temperature signal of supercharger (5) inner engine oil, and judges temperature signal
Whether it is more than described standard temperature value, if so, carries out step 40)；
40) control device (6) of described lubricating and cooling system controls described second lubricating oil pump (2) to start.
9. lubricating and cooling method according to claim 8 is it is characterised in that step 40) after, also comprise the steps:
41) described monitoring device continues the temperature signal of monitoring supercharger (5) inner engine oil, and judges whether temperature signal is more than institute
State standard temperature value, if it is not, carrying out step 42)；
42) described control device (6) controls described second lubricating oil pump (2) to shut down.
10. lubricating and cooling method according to claim 8 is it is characterised in that step 10) in, just also prestoring supercharger (5)
Often the engine oil pressure of work is as reference pressure value；
Step 20) in, determine whether whether electromotor is in preparation starting state, if so, carry out step 31)；
31) described monitoring device monitors the pressure signal of supercharger (5) inner engine oil, and judges whether pressure signal is less than described mark
Quasi- pressure value, if so, carries out step 32)；
32) described control device (6) controls described second lubricating oil pump (2) to start.
11. lubricating and cooling methods according to claim 10 are it is characterised in that step 32) after, also comprise the steps:
33) described monitoring device continues the pressure signal of monitoring supercharger (5) inner engine oil, and judges whether pressure signal is less than institute
State reference pressure value, if it is not, carrying out step 34)；
34) described control device (6) controls described second lubricating oil pump (2) to shut down.
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| CN108252763A (en) * | 2017-12-29 | 2018-07-06 | 潍柴动力股份有限公司 | The engine lubrication system and hybrid vehicle of a kind of hybrid vehicle |
| CN108547678A (en) * | 2018-03-30 | 2018-09-18 | 潍柴动力股份有限公司 | A kind of lubricating system, lubrication control method and automobile |
| CN111608794A (en) * | 2020-04-14 | 2020-09-01 | 广西玉柴机器股份有限公司 | Cooling and lubricating system of supercharger |
| CN111720205A (en) * | 2020-04-14 | 2020-09-29 | 广西玉柴机器股份有限公司 | Forced cooling and lubricating protection device for supercharger |
| CN111734525A (en) * | 2020-04-14 | 2020-10-02 | 广西玉柴机器股份有限公司 | Normally open type cooling and lubricating system of supercharger |
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| CN113833545A (en) * | 2021-10-15 | 2021-12-24 | 潍柴动力股份有限公司 | Method and device for lubricating engine of hybrid electric vehicle and electronic equipment |
| CN113944531A (en) * | 2021-09-02 | 2022-01-18 | 东风汽车集团股份有限公司 | Engine lubricating oil way system and method |
| CN114542257A (en) * | 2022-03-09 | 2022-05-27 | 广西玉柴机器股份有限公司 | Additional cooling system of engine supercharger |
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| CN108252763A (en) * | 2017-12-29 | 2018-07-06 | 潍柴动力股份有限公司 | The engine lubrication system and hybrid vehicle of a kind of hybrid vehicle |
| CN108547678A (en) * | 2018-03-30 | 2018-09-18 | 潍柴动力股份有限公司 | A kind of lubricating system, lubrication control method and automobile |
| CN111608794A (en) * | 2020-04-14 | 2020-09-01 | 广西玉柴机器股份有限公司 | Cooling and lubricating system of supercharger |
| CN111720205A (en) * | 2020-04-14 | 2020-09-29 | 广西玉柴机器股份有限公司 | Forced cooling and lubricating protection device for supercharger |
| CN111734525A (en) * | 2020-04-14 | 2020-10-02 | 广西玉柴机器股份有限公司 | Normally open type cooling and lubricating system of supercharger |
| CN112682193A (en) * | 2020-12-28 | 2021-04-20 | 淄柴机器有限公司 | Diesel engine starting and stopping control method for electric pre-fuel supply pump |
| CN112983590A (en) * | 2021-03-09 | 2021-06-18 | 广西玉柴机器股份有限公司 | Method and system for supplying engine oil to large-cylinder-diameter diesel engine |
| CN113202593A (en) * | 2021-05-28 | 2021-08-03 | 北京理工大学 | Flow-adjustable engine oil pump system of engine |
| CN113944531A (en) * | 2021-09-02 | 2022-01-18 | 东风汽车集团股份有限公司 | Engine lubricating oil way system and method |
| CN113944531B (en) * | 2021-09-02 | 2023-03-03 | 东风汽车集团股份有限公司 | Engine lubricating oil way control method |
| CN113833545A (en) * | 2021-10-15 | 2021-12-24 | 潍柴动力股份有限公司 | Method and device for lubricating engine of hybrid electric vehicle and electronic equipment |
| CN114542257A (en) * | 2022-03-09 | 2022-05-27 | 广西玉柴机器股份有限公司 | Additional cooling system of engine supercharger |
| CN115306532A (en) * | 2022-08-15 | 2022-11-08 | 潍柴重机股份有限公司 | Engine rear cooling control method |
| CN115306532B (en) * | 2022-08-15 | 2023-10-20 | 潍柴重机股份有限公司 | Engine back cooling control method |
| CN116215425A (en) * | 2023-05-10 | 2023-06-06 | 中国第一汽车股份有限公司 | Pre-lubrication control method, device, equipment, storage medium and vehicle |
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