CN201972776U - Engine lubrication system - Google Patents
Engine lubrication system Download PDFInfo
- Publication number
- CN201972776U CN201972776U CN2010206968121U CN201020696812U CN201972776U CN 201972776 U CN201972776 U CN 201972776U CN 2010206968121 U CN2010206968121 U CN 2010206968121U CN 201020696812 U CN201020696812 U CN 201020696812U CN 201972776 U CN201972776 U CN 201972776U
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- Prior art keywords
- engine
- oil
- load
- lubrication system
- solenoid valve
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model provides an engine lubrication system which comprises a main oil path, a bypass oil path which is in junction with the main oil path, an oil pump with adjustable flow, an electromagnetic valve arranged in the bypass oil path, a plurality of engine piston nozzles, a plurality of sensors and an engine controller, wherein the engine controller is in coupling and communication with the sensors, the oil pump and the electromagnetic valve so as to control the flow of the oil pump as well as opening and closing of the electromagnetic valve, therefore oil injection of the engine piston nozzles is controlled. Because the engine lubrication system does not comprise a drive device used for driving the engine piston nozzles, the cost is lowered.
Description
[technical field]
The utility model relates to a kind of engine lubrication system.The utility model relates to the engine lubrication system that is used for the cooled engine piston particularly.
[background technique]
The lubricated of motor finished by engine lubrication system.The effect of engine lubrication system with cleaning, quantitative sealing lubricating oil constantly supplies on the friction surface of each moving parts, be used for to friction surface be lubricated, clean, cool off, sealing, antirust and buffering handle.
Lubricated lubricating systems that adopt pressure lubrication and splash lubrication to combine of motor more.Pressure lubrication is meant and utilizes oil pump that lubricant oil is transported to the lubricating system of friction surface with certain pressure, is mainly used in the rubbing surface that load is big, speed of related movement is high, as main bearing, connecting rod bearing, camshaft bearing etc.Splash lubrication is the mode that moving parts splashes when utilizing engine operation oil droplet and mist of oil come the lubrication friction surface, is mainly used in exposed surface and the less friction surface of load, as cylinder wall, wrist pin etc.
In addition, engine lubrication can also adopt lubricant grease lubricated.Promptly come the lubricating system of lubricating detail working surface (water pump, generator and starter motor etc.) by regular grease up.Recently, also can adopt the bearing that contains wear-resisting lubriation material (for example nylon, molybdenum disulfide etc.) to replace the bearing of grease up on the motor that has.
The 6626141B2 U.S. Patent Publication a kind of engine oil circulatory system and method.Reduce engine load and suitably control oil pressure at initial stage, thereby reduce pollution emissions.This engine oil circulatory system comprises oil groove, oil pump by the engine crankshaft drive, the oil pressure relief valve, be arranged on the oil temperature sensor of oil groove bottom, be arranged on the oil pressure sensor on the working connection and be arranged on the engine operating state sensor that is used for sensing engine speed and load on the motor, engine controller is controlled oil pump and is reduced engine load when engine start, thereby make motor start smoothly, engine controller is based on oil temperature sensor, oil pressure sensor and engine operating state sensor control electromagnetic valve, thereby engine oil pressure is remained on optimum state, so that control GOR and period of combustion, thereby reach the purpose that improves fuel economy.
No. 5339776 U.S. Patent Publication a kind of engine lubrication system, engine controller is controlled the switch of electromagnetic field in the engine lubrication system bypass path according to oil pressure, oil temperature, refrigerant temperature, engine speed and load, thereby controls the oil pressure in the engine lubrication system working connection.This helps improving fuel economy and reduces exhaust emission.
No. 5819692 U.S. Patent Publication a kind of engine lubrication system, it comprises the working connection and the bleed off circuit of tandem, be provided with guiding valve and the heat power part that is used to drive guiding valve in the working connection, when heat power part temperature is low, the heat power part does not drive guiding valve, guiding valve is sealed bleed off circuit, when heat power part temperature is higher, the heat power part drives guiding valve, thereby the lubricant oil on the working connection is transported on the bleed off circuit and by splashing nozzle act to engine piston, thereby cooled engine piston.
Total the above, prior art is not mentioned and is adopted engine controller to control the flow of oil pump in the working connection and the electromagnetic valve switch in the bleed off circuit based on oil temperature sensor, oil pressure sensor and engine operating state sensor, thus the engine lubrication system that the break-make of the bleed off circuit of control action to the engine piston is come the cooled engine piston.
[summary of the invention]
The purpose of this utility model provides the engine lubrication system that a kind of cost is low, fuel economy is good, to solve the problem that prior art exists.Of the present utility model making eye bright is achieved by the following technical programs:
One side of the present utility model provides a kind of engine lubrication system, and it comprises:
The working connection that is communicated with the oil groove of storage lubricant oil;
Bleed off circuit with the working connection tandem;
Oil pump by engine crankshaft drives is used for the lubricant oil of oil groove is pumped in the working connection;
Be arranged on the solenoid valve in the bleed off circuit;
The a plurality of engine piston nozzles that are communicated with the bleed off circuit fluid;
A plurality of sensors, described a plurality of sensors comprise the oil temperature sensor that is arranged in the oil groove, the oil pressure sensor that is used for sensing working connection oil pressure, engine load sensor, engine rotation speed sensor, engine temperature sensing unit; And
Engine controller;
Wherein, engine controller is constructed to a plurality of sensors, oil pump and solenoid valve coupling connection and communicates by letter and control the flow of oil pump and the switch of solenoid valve, to control the oil spout of a plurality of engine piston nozzles.
Provide engine lubrication system according to one side of the present utility model, wherein engine controller is constructed to accept judge the engine load size from the signal of engine load sensor, engine rotation speed sensor and engine temperature sensing unit, and combination is from the flow of the SC sigmal control oil pump of oil temperature sensor and oil pressure sensor and the switch of solenoid valve, with the oil spout of control engine piston nozzle.
Provide engine lubrication system according to one side of the present utility model, wherein engine load comprises first load area and second load area, motor at the load of second load area greater than its load at first load area, when wherein motor is in first load area, engine piston does not need cooling, this moment closed electromagnetic valve, the not oil spout of engine piston nozzle, when wherein motor is in second load area, engine piston needs cooling, this moment the engine controller controls oil pump flow and make solenoid valve open so that the oil spout of engine piston nozzle.
Provide engine lubrication system according to one side of the present utility model, wherein oil pump is the flow changeable pump.
Provide engine lubrication system according to one side of the present utility model, wherein engine lubrication system does not comprise the drive unit that is used to drive a plurality of engine piston nozzles.Can be used for high performance petrol engine and the most diesel engine that the engine piston nozzle is arranged according to engine lubrication system of the present utility model.
Advantage according to engine lubrication system of the present utility model is: owing to adopt engine controller to come control electromagnetic valve under low-load, to close, and under high load, open, therefore the oil pressure in the oil circuit is remained on optimal level, thereby reduced energy loss.
According to being also advantageous in that of engine lubrication system of the present utility model: owing to adopt solenoid valve to control the oil spout of engine piston nozzle, saved the drive unit that is used to drive the engine piston nozzle, reduced the cost of engine lubrication system.
[description of drawings]
With reference to accompanying drawing, disclosure of the present utility model will be easier to understand.Those skilled in the art are understood that easily: these accompanying drawings only are used to illustrate the technical solution of the utility model, and are not to be intended to protection domain of the present utility model is construed as limiting.Among the figure:
Fig. 1 schematically shows the engine lubrication system structure principle chart according to an embodiment of the utility model.And
Fig. 2 schematically shows the distribution map of engine load in motor mean effective pressure-engine speed coordinate.
Parts and label list
| 1 | Engine crankshaft |
| 2 | Oil pump |
| 3 | Oil groove |
| 4 | Working connection |
| 5 | Bleed off circuit |
| 6 | Solenoid valve |
| 7 | The engine piston nozzle |
| 8 | Engine piston |
| 8a | Engine controller |
| 9 | Oil temperature sensor |
| 10 | Oil pressure sensor |
| 11 | Engine temperature sensing unit |
| 12 | Throttle position sensor |
| 13 | Engine rotation speed sensor |
[embodiment]
Fig. 1-2 and following declarative description optional mode of execution of the present utility model how to implement with instruction those skilled in the art and reproduce the utility model.In order to instruct technical solutions of the utility model, simplified or omitted some conventional aspects.Those skilled in the art should understand that the modification or the replacement that are derived from these mode of executions will drop in the scope of the present utility model.Those skilled in the art should understand that following characteristics can make up in every way to form a plurality of modification of the present utility model.Thus, the utility model is not limited to following optional mode of execution, and is only limited by claim and their equivalent.
Fig. 1 shows the engine lubrication system structure principle chart according to an embodiment of the utility model.As shown in Figure 1, engine lubrication system comprises oil pump 2, the oil groove 3 that is used to store lubricant oil, working connection 4, bleed off circuit 5, solenoid valve 6, engine piston nozzle 7, engine piston 8, engine controller 8a, oil temperature sensor 9, oil pressure sensor 10, engine temperature sensing unit 11, throttle position sensor 12 and the engine rotation speed sensor 13 that is driven by engine crankshaft 1.Wherein bleed off circuit 5 is communicated with working connection 4 tandems and fluid, solenoid valve 6 is arranged in the bleed off circuit 5, the lubricant oil that oil pump 2 is used for being stored in oil groove 3 is pumped in working connection 4 and the bleed off circuit 5, lubricant oil in the bleed off circuit 5 can be transported to engine piston nozzle 7 by solenoid valve 6, and then engine piston 8 cooled off, wherein oil pump 2 is communicated with working connection 4 and bleed off circuit 5 fluids, and engine piston nozzle 7 is communicated with bleed off circuit 5 fluids.As shown in Figure 1, engine controller 8a and oil pump 2, solenoid valve 6, oil temperature sensor 9, oil pressure sensor 10, engine temperature sensing unit 11, throttle position sensor 12 and engine rotation speed sensor 13 couplings connection and the communicate by letter flow of controlling oil pump 2 and the switch of solenoid valve 6, thus the oil spout of a plurality of engine piston nozzles 7 controlled.Oil temperature sensor 9 is arranged in the oil groove 3, is used for the temperature of sensing lubricant oil.Oil pressure sensor 10 is used for the oil pressure of sensing working connection 4 lubricant oil.
Need to prove, the miscellaneous part that right side not shown and working connection 4 and bleed off circuit 5 is communicated with among Fig. 1, to those skilled in the art, this is conspicuous.
In an example of the present utility model, engine lubrication system does not comprise the drive unit that is used to drive each engine piston nozzle 7.Oil pump 2 is the flow changeable pump, need to prove: oil pump 2 also can adopt other pump, and this also will drop in the protection domain of the present utility model.
In an example of the present utility model, engine lubrication system adopts solenoid valve 6 to control the oil spout of engine piston nozzle.Need to prove: solenoid valve 6 also can adopt other controllable valve to replace, and this also will drop in the protection domain of the present utility model.
Particularly, engine controller 8a judges the current payload of motor according to the signal from engine temperature sensing unit 11, throttle position sensor 12 and engine rotation speed sensor 13, so that in conjunction with from the flow of the SC sigmal control oil pump 2 of oil temperature sensor 9 and oil pressure sensor 10 and the switch of solenoid valve 6, and then the oil spout of control engine piston nozzle 7, so that realize lubricating and cooling to engine piston 8.
Fig. 2 schematically shows the distribution map of engine load in motor mean effective pressure-engine speed coordinate.As shown in Figure 2, according to the engine controller 8a of an embodiment's of the utility model engine lubrication system the load of motor has been divided into two zones: first load area and second load area, wherein motor at the load of second load area greater than its load at first load area.When motor was in first load area, engine piston 8 did not need cooling, and this moment, solenoid valve 6 cut out, and engine piston nozzle 7 does not need oil spout.When motor was in second load area, engine piston 8 needed cooling, and the flow of engine controller 8a control this moment oil pump 2 also makes solenoid valve 6 open, and engine piston nozzle 7 needs oil spout, than just engine piston 8 being cooled off.
When engine operation during at first load area (low-load region) as shown in Figure 2, solenoid valve 6 cuts out, and this moment, lubricant oil did not need to be provided for engine piston nozzle 7, thereby had reduced energy loss.When engine operation during at second load area (high-load region) as shown in Figure 2, oil pump 2 increases the pumping abilities, and solenoid valve 6 is opened, so that lubricant oil is provided for engine piston nozzle 7, thus cooled engine piston 8.In engine lubrication system of the present utility model,, saved the drive unit that is used to drive engine piston nozzle 7, thereby reduced cost owing to adopt the break-make of solenoid valve 6 control bleed off circuits 5 to control the oil spout of engine piston nozzle 7.
Can be used for high performance petrol engine and the most diesel engine that the engine piston nozzle is arranged according to engine lubrication system of the present utility model.
Advantage according to engine lubrication system of the present utility model is: owing to adopt engine controller to come control electromagnetic valve under low-load, to close, and under high load, open, therefore the oil pressure in the oil circuit is remained on optimal level, thereby reduced energy loss.
According to being also advantageous in that of engine lubrication system of the present utility model: owing to adopt solenoid valve to control the oil spout of engine piston nozzle, saved the drive unit that is used to drive the engine piston nozzle, reduced the cost of engine lubrication system.
Claims (5)
1. engine lubrication system, it comprises:
The working connection that is communicated with the oil groove of storage lubricant oil;
Bleed off circuit with the working connection tandem;
Oil pump by engine crankshaft drives is used for the lubricant oil of oil groove is pumped in the working connection;
Be arranged on the solenoid valve in the bleed off circuit;
The a plurality of engine piston nozzles that are communicated with the bleed off circuit fluid;
A plurality of sensors, described a plurality of sensors comprise the oil temperature sensor that is arranged in the oil groove, the oil pressure sensor that is used for sensing working connection oil pressure, engine load sensor, engine rotation speed sensor, engine temperature sensing unit; And
Engine controller;
It is characterized in that: engine controller is constructed to a plurality of sensors, oil pump and solenoid valve coupling connection and communicates by letter and control the flow of oil pump and the switch of solenoid valve, to control the oil spout of a plurality of engine piston nozzles.
2. engine lubrication system according to claim 1, it is characterized in that, the signal that engine controller is constructed to accept from engine load sensor, engine rotation speed sensor and engine temperature sensing unit is judged the engine load size, and combination is from the flow of the SC sigmal control oil pump of oil temperature sensor and oil pressure sensor and the switch of solenoid valve, with the oil spout of control engine piston nozzle.
3. engine lubrication system according to claim 2, it is characterized in that, engine load comprises first load area and second load area, motor at the load of second load area greater than its load at first load area, when wherein motor is in first load area, engine piston does not need cooling, this moment closed electromagnetic valve, the not oil spout of engine piston nozzle, when wherein motor is in second load area, engine piston needs cooling, this moment the engine controller controls oil pump flow and make solenoid valve open so that the oil spout of engine piston nozzle.
4. engine lubrication system according to claim 1 is characterized in that, oil pump is the flow changeable pump.
5. engine lubrication system according to claim 1 is characterized in that engine lubrication system does not comprise the drive unit that is used to drive a plurality of engine piston nozzles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206968121U CN201972776U (en) | 2010-12-31 | 2010-12-31 | Engine lubrication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206968121U CN201972776U (en) | 2010-12-31 | 2010-12-31 | Engine lubrication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201972776U true CN201972776U (en) | 2011-09-14 |
Family
ID=44577883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206968121U Expired - Fee Related CN201972776U (en) | 2010-12-31 | 2010-12-31 | Engine lubrication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201972776U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225536A (en) * | 2013-04-16 | 2013-07-31 | 上海交通大学 | Engine piston cooling device controlled by engine speed sensor |
| CN103225535A (en) * | 2013-04-16 | 2013-07-31 | 上海交通大学 | Engine piston cooling device controlled by crank shaft steering angle sensor |
| CN103775320A (en) * | 2012-10-24 | 2014-05-07 | 上海汽车集团股份有限公司 | Control method and system for controlling driving oil pump motor |
| CN104534072A (en) * | 2014-12-24 | 2015-04-22 | 大连尚能科技发展有限公司 | Cooling and dedusting method of gearbox lubricating and cooling system |
| CN104565327A (en) * | 2014-12-24 | 2015-04-29 | 大连尚能科技发展有限公司 | Lubrication and cooling system for gear case |
| CN105952520A (en) * | 2016-06-22 | 2016-09-21 | 上汽通用汽车有限公司 | Method and device for controlling piston cooling system |
| CN107762611A (en) * | 2017-10-18 | 2018-03-06 | 劳福厚 | A kind of motorcycle engine piston cooling device |
| CN111706417A (en) * | 2020-06-30 | 2020-09-25 | 潍柴动力股份有限公司 | Lubricating system, oil pump control method, controller and vehicle |
-
2010
- 2010-12-31 CN CN2010206968121U patent/CN201972776U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775320A (en) * | 2012-10-24 | 2014-05-07 | 上海汽车集团股份有限公司 | Control method and system for controlling driving oil pump motor |
| CN103775320B (en) * | 2012-10-24 | 2016-05-18 | 上海汽车集团股份有限公司 | To the control method and the system that drive Oil pump electrical machinery to control |
| CN103225536A (en) * | 2013-04-16 | 2013-07-31 | 上海交通大学 | Engine piston cooling device controlled by engine speed sensor |
| CN103225535A (en) * | 2013-04-16 | 2013-07-31 | 上海交通大学 | Engine piston cooling device controlled by crank shaft steering angle sensor |
| CN104534072A (en) * | 2014-12-24 | 2015-04-22 | 大连尚能科技发展有限公司 | Cooling and dedusting method of gearbox lubricating and cooling system |
| CN104565327A (en) * | 2014-12-24 | 2015-04-29 | 大连尚能科技发展有限公司 | Lubrication and cooling system for gear case |
| CN105952520A (en) * | 2016-06-22 | 2016-09-21 | 上汽通用汽车有限公司 | Method and device for controlling piston cooling system |
| CN107762611A (en) * | 2017-10-18 | 2018-03-06 | 劳福厚 | A kind of motorcycle engine piston cooling device |
| CN111706417A (en) * | 2020-06-30 | 2020-09-25 | 潍柴动力股份有限公司 | Lubricating system, oil pump control method, controller and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20191231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |