CN208793062U - A kind of lubricating system and engine - Google Patents
A kind of lubricating system and engine Download PDFInfo
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- CN208793062U CN208793062U CN201821320907.6U CN201821320907U CN208793062U CN 208793062 U CN208793062 U CN 208793062U CN 201821320907 U CN201821320907 U CN 201821320907U CN 208793062 U CN208793062 U CN 208793062U
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Abstract
The utility model belongs to lubrication technical field, discloses a kind of lubricating system and engine.The lubricating system includes main oil gallery and oil sump, further includes the pre-lubrication system being arranged in parallel and main lubricating system, and the two is set between main oil gallery and oil sump, and the caliber of the pre-lubrication oil circuit of pre-lubrication system is less than the caliber of the main lubricant passage way of main lubricating system.The utility model is by the way that pre-lubrication system and main lubricating system to be arranged in parallel, so that engine can bypass the main lubricating system of itself before activation, to main oil gallery fuel feeding and carries out pre-lubrication directly to pass through pre-lubrication system；Further it is less than the caliber of the main lubricant passage way of main lubricating system by the caliber of the pre-lubrication oil circuit of pre-lubrication system, so that the pressure settling time of main oil gallery substantially reduces, and then meet the requirement of the emergency fast starting of large bore engine, the pressure settling time for solving the main oil gallery of available engine is too long, it is difficult to the problem of realizing engine quick start.
Description
Technical field
The utility model relates to lubrication technical field more particularly to a kind of lubricating system and engines.
Background technique
Large bore engine is needed in prestart using pre- fuel feeding is carried out to main lubricant passage way for lubricating oil pump in advance, to main oil gallery
After establishing certain pressure, restart engine, to avoid the appearance of dry friction, improves the reliability of engine.
But since large bore engine volume is big, friction minor face product is big, and be limited to power supply capacity and it is economical because
Element, pre-lubrication system use it is automatically controlled it is pre- for lubricating oil pump compared with traditional mechanical engine oil pump, be wanting in flow away from huge,
The usual automatically controlled pre- flow for lubricating oil pump is less than 1/10 with the flow of the matched mechanical engine oil pump of large bore engine.
Lubrication and cooling requirement, main lubricant passage way and filter when in order to meet engine high power, high load capacity work
It is to be designed according to the flow of mechanical engine oil pump, the internal diameter so as to cause main lubricant passage way is big, and the volume of filter is big, and
It is poor to further result in the automatically controlled pre- matching degree for oil pump capacity.Therefore, the pre- of a set of pipeline is shared using with main lubricant passage way
The main oil gallery pressure settling time of lubricating system, engine is too long, and then the emergency for being difficult to meet large bore engine is quick
The requirement of starting.
It would therefore be highly desirable to need a kind of novel lubrication system and engine to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of lubricating system and engines, to solve the main oil gallery of available engine
Pressure settling time is too long, it is difficult to the problem of realizing engine quick start.
For this purpose, the utility model uses following technical scheme:
A kind of lubricating system, including main oil gallery and oil sump further include the pre-lubrication system being arranged in parallel and main lube system
System, and the two is set between main oil gallery and oil sump, the caliber of the pre-lubrication oil circuit of pre-lubrication system is less than main lubricating system
Main lubricant passage way caliber.
Preferably, the caliber of the pre-lubrication oil circuit of pre-lubrication system is the caliber of the main lubricant passage way of main lubricating system
1/12~1/8.
Preferably, pre-lubrication system includes sequentially connected pre- for lubricating oil pump, in advance for machine oil to main oil gallery by oil sump
Filter and the first check valve, machine oil can be from flowing to main oil gallery for oil filter in advance.
Preferably, main lubricating system include by oil sump to the sequentially connected lubricating oil pump of main oil gallery, oil filter and
Oil cooler, and by main oil gallery to the sequentially connected second one-way valve of oil sump and booster；Machine oil can be from main oil gallery stream
To booster.
Preferably, the first check valve is connected to by pipeline with booster, the caliber of pipeline is less than the pipe of pre-lubrication oil circuit
Diameter.
Preferably, further including the control system being electrically connected with pre-lubrication system, control system includes connecting two-by-two
ECU, the first control switch and power supply, the first control switch be electrically connected in advance for lubricating oil pump, with control in advance for the opening and closing of lubricating oil pump.
Preferably, further including the starter for driving machine oil pump work, control system further includes the second control switch, second
Control switch is connect with starter, ECU and power supply respectively.
Preferably, control system further includes that more control switch, more control switch is connect with starter and power supply respectively.
Preferably, further including sensor-based system, sensor-based system includes engine oil pressure pickup and use in main oil gallery
In the speed probe of detection engine speed, engine oil pressure pickup and speed probe are electrically connected with ECU.
A kind of engine, including above-mentioned lubricating system.
The utility model has the beneficial effects that
The utility model is by the way that pre-lubrication system and main lubricating system to be arranged in parallel, so that engine before activation can be around
The main lubricating system of itself is crossed, to main oil gallery fuel feeding and carries out pre-lubrication directly to pass through pre-lubrication system；Further by pre-
The caliber of the pre-lubrication oil circuit of lubricating system is less than the caliber of the main lubricant passage way of main lubricating system, so that the pressure of main oil gallery is built
It is substantially reduced between immediately, and then meets the requirement of the emergency fast starting of large bore engine, solve the master of available engine
The pressure settling time of oil duct is too long, it is difficult to the problem of realizing engine quick start.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of lubricating system provided by the utility model.
In figure:
10, main oil gallery；11, in advance for lubricating oil pump；12, in advance for oil filter；13, the first check valve；
20, oil sump；21, lubricating oil pump；22, oil filter；23, oil cooler；24, second one-way valve；25, it is pressurized
Device；26, oil return mechanism；251, pipeline；
31,ECU；32, the first control switch；33, power supply；34, the second control switch；35, more control switchs；
41, starter；42, engine oil pressure pickup；43, speed probe.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, the utility model provides a kind of lubricating system, which includes main oil gallery 10, oil sump
20 and the pre-lubrication system being arranged in parallel and main lubricating system, pre-lubrication system and main lubricating system be set to 10 He of main oil gallery
Between oil sump 20 so that engine can bypass the main lubricating system of itself before activation, with directly pass through pre-lubrication system to
10 fuel feeding of main oil gallery simultaneously carries out pre-lubrication.Specifically, the caliber of the pre-lubrication oil circuit of pre-lubrication system is less than main lubricating system
The caliber of main lubricant passage way, more specifically, the caliber of the pre-lubrication oil circuit of pre-lubrication system are the main lubrication of main lubricating system
The 1/12~1/8 of the caliber of oil circuit, preferably 1/10, so that machine oil is much higher than machine oil by the rate of pre-lubrication system
By the rate of main lubricating system, and the time for making machine oil reach main oil gallery 10 from pre-lubrication system compares machine oil from main lubrication
The time that system reaches main oil gallery 10 substantially reduces, even if the pressure settling time for obtaining main oil gallery 10 substantially reduces, and then meets
The requirement of the emergency fast starting of large bore engine, solves the pressure settling time mistake of the main oil gallery 10 of available engine
It is long, it is difficult to the problem of realizing engine quick start.
Specifically, pre-lubrication system includes sequentially connected pre- for lubricating oil pump 11, pre- confession to main oil gallery 10 by oil sump 20
Oil filter 12 and the first check valve 13, match for lubricating oil pump 11 and in advance for the specification of oil filter 12 in advance, such as logical
It crosses and is approximately equal to 1/10th of the oil flow rate by main lubricating system for the oil flow rate of lubricating oil pump 11 in advance, so that main oil
The pressure time of building in road 10 substantially reduces.First check valve 13 defines the flow direction of machine oil, i.e. machine oil can be from advance for oil filter
12 flow to main oil gallery 10, it is on the contrary then cannot.When pre-lubrication system does not work, it can prevent the machine oil of main oil gallery 10 from flowing backwards,
To can avoid being soaked in machine oil always for oil filter 12 in advance, to increase in advance for the service life of oil filter 12.
Specifically, main lubricating system includes by oil sump 20 to the sequentially connected lubricating oil pump 21 of main oil gallery 10, oil filtration
Device 22 and oil cooler 23, the specification of lubricating oil pump 21, oil filter 22 and oil cooler 23 match.Main lubricating system
Further include set on the oil return mechanism 26 (i.e. the component that need to lubricate of engine or position) between main oil gallery 10 and oil sump 20, and
By main oil gallery 10 to the sequentially connected second one-way valve 24 of oil sump 20 and booster 25, from stricti jurise, booster 25
Also belong to a part of oil return mechanism 26, but since booster 25 works instantaneous, the bearing of booster 25 in engine stop
Etc. needing lubricating component to be not off work, therefore need to be lubricated particular for booster 25.And second one-way valve 24 defines machine
The direction of oil, i.e. machine oil can flow to booster 25 from main oil gallery 10, it is on the contrary then cannot.Before engine start or after shutdown, only
Pre-lubrication system work, directly flows directly into main oil gallery 10 without booster 25 to avoid machine oil, to cause machine oil not
The consequence that booster 25 is cooled down and lubricated.
Specifically, the first check valve 13 is connected to by pipeline 251 with booster 25, and the caliber of pipeline 251 is less than pre-lubrication
The caliber of oil circuit.Individual pipeline 251 is set, enables pre-lubrication system to 25 fast lubricant of booster and cooling, to increase
The service life of booster 25.Meanwhile the caliber of pipeline 251 is less than the caliber of pre-lubrication oil circuit, and the caliber of pipeline 251 and increasing
The specification of depressor 25 matches, and the time that so may make booster 25 to be lubricated further decreases, to be better protected from hair
Raw dry friction.
Specifically, which further includes the control system being electrically connected with pre-lubrication system, and control system includes two-by-two
The ECU31 (Electronic Control Unit, electronic control unit, also known as " car running computer ") of connection, the first control switch
32 and power supply 33, the first control switch 32 be electrically connected in advance for lubricating oil pump 11, to pass through ECU31 control opening for lubricating oil pump 11 in advance
It closes, program is subsequent is illustrated for specific control.
Specifically, which further includes the starter 41 for driving lubricating oil pump 21 to work, and control system further includes second
Control switch 34, the second control switch 34 are connect with starter 41, ECU31 and power supply 33 respectively.First control switch 32 and
By the process control of ECU31, automatic control can be realized in two control switches 34.Power supply 33 is preferably battery, it is possible to understand that
, pre-lubrication system can also be circumscribed with AC power source.
Specifically, control system further includes that more control switch 35, more control switch 35 is connect with starter 41 and power supply 33 respectively.
The type for more controlling switch 35 can be mechanically, be also possible to electric-controlled type, as long as it is not by the control of ECU31.More control is opened
It closes 35 not connect with ECU31, i.e., not by the process control of ECU31, realizes that emergency operates so as to be manually controlled by driver,
And the emergency operation priority it is higher than the priority of automatic control program, but do not represent occur emergency operation when, from
Dynamic control program is automatically cut off；It in this embodiment, can be with oneself by more controlling the operation of emergency caused by switch 35
Dynamic control program exists jointly, so that a variety of lubrication circumstances of engine are coped with, it is more adaptable.
Specifically, which further includes sensor-based system, and sensor-based system includes the engine oil pressure in main oil gallery 10
Sensor 42 and speed probe 43 for detecting engine speed, engine oil pressure pickup 42 and speed probe 43 with
ECU31 electrical connection.In this embodiment, engine oil pressure pickup 42 and speed probe 43 pass through the reality that is detected
When result be sent to ECU31, and analyzed and handled by ECU31, and then control the first control switch 32 and the second control
The movement of switch 34, to realize automation control.
The utility model additionally provides a kind of engine comprising above-mentioned lubricating system, using the hair of above-mentioned lubricating system
Motivation, the pressure settling time for solving the main oil gallery of available engine are too long, it is difficult to the problem of realizing engine quick start.
The utility model additionally provides a kind of lubricating method, above-mentioned lubricating system be implement the lubricating method one kind it is specific
Embodiment, the lubricating method the following steps are included:
S10. open the pre-lubrication system in parallel with main lubricating system:
ECU31 be connected to start command (such as can be initiation key, start switch or other forms), ECU31 passes through control
The first control switch 32 closure is made, so as to start to work in advance for lubricating oil pump 11.
S20. the time after pre-lubrication system is opened is calculated, and detects the pressure of main oil gallery 10:
It is equipped with the timing module for calculating the time in ECU31, opening for pre-lubrication system can be acquired by the timing module
Open the time；And by be set to main oil gallery 10 in engine oil pressure pickup 42, can real-time detection main oil gallery 10 pressure.
If S30. the time is more than or equal to preset time or pressure is more than or equal to the first preset pressure, make main lubricating system
It opens, while closes pre-lubrication system:
Between when activated or when any of the pressure of main oil gallery 10 factor first reaches preset value, ECU31 passes through control the
Two control switches 34 closure, so that starter 41 is started to work, engine start, i.e., main lubricating system starting.Meanwhile ECU31
It is disconnected by the first control switch 32 of control, so as to not work for lubricating oil pump 11 in advance, to reach energy-efficient purpose.
It specifically, after pre-lubrication system unlatching to before closing, or further include making main lubrication before pre-lubrication system unlatching
System more controls unlatching.For example, when engine is in pre-lubrication stage (i.e. pre-lubrication system work), if engine needs immediately
Starting to realize the connection of starter 41 Yu power supply 33, and then realizes hair then can be closed by artificially will more control switch 35
Motivation starting, i.e., main lubricating system starting.For example, when engine not yet enters pre-lubrication stage (i.e. pre-lubrication system not yet work
Make), engine can also realize the emergency start of engine by more controlling the closure of switch 35, that is, be directed across pre-lubrication system
Working stage, but so operation may cause engine there are dry frictions.
Specifically, lubricating method further include: the booster 25 of main lubricating system is connected by pipeline 251 and pre-lubrication system
It is logical, and make the caliber of pipeline 251 less than the caliber of the pre-lubrication oil circuit of pre-lubrication system.The major function and work of this pipeline 251
It has been described in lubricating system part, herein without repeating.
Specifically, after opening main lubricating system and closing pre-lubrication system, further includes: if the revolving speed of engine by
When idling drops to preset rotation speed, it is again turned on pre-lubrication system.When engine is shut down, the revolving speed of engine can by idling by
Gradually decline is until be reduced to zero, but the bearing of booster 25 can still operate, i.e., the bearing of booster 25 is usually starting
It could not be rotated after a period of time after machine shutdown.Therefore, if the bearing of booster 25 not being lubricated and being cooled down in time, meeting
Shorten the service life of booster 25.To sum up, by the revolving speed of 43 real-time monitoring engine of speed probe, if engine turns
When speed drops to preset rotation speed by idling, ECU31 controls the first control switch 32 closure, so as to start work for lubricating oil pump 11 in advance
Make, machine oil needs lubricant housings (such as bearing) by the arrival booster 25 of pipeline 251, under high revolving speed, hot conditions
Booster 25 bearing shut down after lubrication, so as to increase the service life of booster 25.
Specifically, after opening main lubricating system and closing pre-lubrication system, further includes: if the pressure of main oil gallery 10
When less than or equal to the second preset pressure, it is again turned on pre-lubrication system.Preferably, if the pressure of main oil gallery 10 is less than or equal to the
Two preset pressures, and engine speed is in when working normally revolving speed, is again turned on pre-lubrication system.If there is above-mentioned work
Condition then represents engine and is likely that there are failure (such as oil leak), can control the first control switch 32 by ECU31 at this time and close
It closes, so as to start to work in advance for lubricating oil pump 11, and then is 10 fuel feeding of main oil gallery, protects engine work.Particularly, occur
When above-mentioned operating condition, if without emergency task engine ought to be closed, and repair.
Obviously, the above embodiments of the present invention is used for the purpose of clearly illustrating examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For the ordinary skill user of fields, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (10)
1. a kind of lubricating system, including main oil gallery (10) and oil sump (20), which is characterized in that further include the pre- profit being arranged in parallel
Sliding system and main lubricating system, and the two is set between the main oil gallery (10) and the oil sump (20), the pre-lubrication
The caliber of the pre-lubrication oil circuit of system is less than the caliber of the main lubricant passage way of the main lubricating system.
2. lubricating system according to claim 1, which is characterized in that the caliber of the pre-lubrication oil circuit of the pre-lubrication system
It is the 1/12~1/8 of the caliber of the main lubricant passage way of the main lubricating system.
3. lubricating system according to claim 1, which is characterized in that the pre-lubrication system includes by the oil sump
(20) sequentially connected pre- for lubricating oil pump (11), in advance for oil filter (12) and the first check valve to the main oil gallery (10)
(13), machine oil pre- can flow to the main oil gallery (10) for oil filter (12) from described.
4. lubricating system according to claim 3, which is characterized in that the main lubricating system includes by the oil sump
(20) to the main oil gallery (10) sequentially connected lubricating oil pump (21), oil filter (22) and oil cooler (23), and
By the main oil gallery (10) to the oil sump (20) sequentially connected second one-way valve (24) and booster (25)；Machine oil can be from
The main oil gallery (10) flows to the booster (25).
5. lubricating system according to claim 4, which is characterized in that first check valve (13) passes through pipeline (251)
It is connected to the booster (25), the caliber of the pipeline (251) is less than the caliber of the pre-lubrication oil circuit.
6. lubricating system according to claim 4, which is characterized in that further include the control being electrically connected with the pre-lubrication system
System processed, the control system include the ECU (31) connected two-by-two, the first control switch (32) and power supply (33), and described first
Control switch (32) with it is described it is pre- be electrically connected for lubricating oil pump (11), to control the pre- opening and closing for lubricating oil pump (11).
7. lubricating system according to claim 6, which is characterized in that further include for driving the lubricating oil pump (21) to work
Motivation (41), the control system further include the second control switch (34), second control switch (34) respectively with described
Motivation (41), the ECU (31) and the power supply (33) connection.
8. lubricating system according to claim 7, which is characterized in that the control system further includes that more control switchs (35),
The more control switch (35) is connect with the starter (41) and the power supply (33) respectively.
9. lubricating system according to claim 6, which is characterized in that further include sensor-based system, the sensor-based system includes
Engine oil pressure pickup (42) in the main oil gallery (10) and the speed probe (43) for detecting engine speed,
The engine oil pressure pickup (42) and the speed probe (43) are electrically connected with the ECU (31).
10. a kind of engine, which is characterized in that including lubricating system such as according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821320907.6U CN208793062U (en) | 2018-08-16 | 2018-08-16 | A kind of lubricating system and engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821320907.6U CN208793062U (en) | 2018-08-16 | 2018-08-16 | A kind of lubricating system and engine |
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| CN208793062U true CN208793062U (en) | 2019-04-26 |
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| CN201821320907.6U Active CN208793062U (en) | 2018-08-16 | 2018-08-16 | A kind of lubricating system and engine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185515A (en) * | 2019-05-07 | 2019-08-30 | 吉林大学 | A kind of engine lubrication system with anti-siphon means |
| CN113202593A (en) * | 2021-05-28 | 2021-08-03 | 北京理工大学 | Flow-adjustable engine oil pump system of engine |
| CN115247585A (en) * | 2022-06-17 | 2022-10-28 | 潍柴动力股份有限公司 | Main oil gallery for removing impurities, lubricating system and engine |
| CN115306510A (en) * | 2022-08-08 | 2022-11-08 | 潍柴动力股份有限公司 | Engine oil supply system, engine and oil supply method |
-
2018
- 2018-08-16 CN CN201821320907.6U patent/CN208793062U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185515A (en) * | 2019-05-07 | 2019-08-30 | 吉林大学 | A kind of engine lubrication system with anti-siphon means |
| CN113202593A (en) * | 2021-05-28 | 2021-08-03 | 北京理工大学 | Flow-adjustable engine oil pump system of engine |
| CN115247585A (en) * | 2022-06-17 | 2022-10-28 | 潍柴动力股份有限公司 | Main oil gallery for removing impurities, lubricating system and engine |
| CN115247585B (en) * | 2022-06-17 | 2024-02-20 | 潍柴动力股份有限公司 | Main oil duct for removing impurities, lubricating system and engine |
| CN115306510A (en) * | 2022-08-08 | 2022-11-08 | 潍柴动力股份有限公司 | Engine oil supply system, engine and oil supply method |
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