CN100432381C - Modularized lubricating system for diesel engine - Google Patents
Modularized lubricating system for diesel engine Download PDFInfo
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- CN100432381C CN100432381C CNB2006101167445A CN200610116744A CN100432381C CN 100432381 C CN100432381 C CN 100432381C CN B2006101167445 A CNB2006101167445 A CN B2006101167445A CN 200610116744 A CN200610116744 A CN 200610116744A CN 100432381 C CN100432381 C CN 100432381C
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Abstract
The invention discloses a modularized lubrication system for diesel engine; comprising tank; heating equipment; temperature controller; lubricant pump equipment connected with tank; electric control valve, electric heat-controlled valve, oil cooling radiation, which are set on the back of the lubricant pump equipment in turn, wherein out let of oil cooling radiation is connected with lubricant system of diesel engine; multiple sensors, which contains tank temperature sensor set at outlet of tank, pressure sensor set at outlet of lubricant pump and outlet temperature and pressure sensor set at outlet of electric heat-controlled valve; control unit, which can obtain parameters for engine running state and measuring figure of multiple sensors so that rotational speed of engine and action of temperature controller, electric control valve and electric heat-controlled valve are controlled. Said every parts of modularized lubricated system are integrated into a module, which is set at engine separately. The invention can adjust automatically to optionally configure flux, press and temperature of primary lubricant locations and key cooling locations of engine.
Description
Technical field
The present invention relates to lubricating system of diesel oil engine, relate in particular to a kind of oil flow of each branch's branch road of energy auto-optimization, the Modularized lubricating system for diesel engine of temperature and pressure.
Background technique
At present, the lubrication system of most existing high-power diesel engine is the machine belt, and lubricating oil pump, lubricating oil filter, pressure regulator valve, a large amount of lube pipes etc. are installed on the machine, and lubricating oil pump etc. are by crank-driven.Such form, one side has increased the complexity and the layout difficulty of component on machine of diesel engine structure; On the other hand, every diesel engine all needs to be equipped with annexes such as above-mentioned driving lubricating oil pump, and the output work that has consumed diesel engine has reduced effective mechanical power.Simultaneously, the oil system design of these high-power diesel engines is mainly with experience design and main with reference to being designed to, the design selection of its performance parameter and main accessories often only considers to satisfy the requirement of declared working condition point, oil temperature, compress control method are relatively backward, temperature, pressure controling precision are relatively poor, lack oil flow, pressure, accuracy control over temperature to whole service operating mode scope oil system circulation lubricating oil amount and each key point.
Summary of the invention
Technical problem to be solved by this invention provides a kind of Modularized lubricating system for diesel engine, independently be arranged in by the diesel engine, according to flow, the pressure and temperature that the operating mode of diesel engine is adjusted automatically, the lubricating oil at position is cooled off in allocation optimum to each primary lubricant portion of diesel engine and key.
The present invention solves the problems of the technologies described above the technological scheme that adopts to provide a kind of Modularized lubricating system for diesel engine, electric control valve, electronic heat control valve and oil cooler after comprising fuel tank, be used for the heating equipment of heating fuel tank, the temperature controlling instrument that is used to control described heating equipment, the oil pump device that is connected with fuel tank and be located at oil pump device successively, the oil cooler outlet is connected with the oil system of diesel engine; Described oil pump device comprises the motor of oil pump, driving machine oil pump and the frequency variator of control motor operation; Be characterized in, also comprise: a plurality of sensors comprise the fuel tank temperature transducer of being located at fuel-tank outlet, outlet temperature sensor and the outlet pressure sensor of being located at the oil pump pressure transducer of oil pump outlet and being located at electronic heat control valve outlet; Control unit, be connected with electric control valve with described a plurality of sensors, temperature controlling instrument, frequency variator and electronic heat control valve, control unit obtains the detection data of running state parameter and a plurality of sensors of motor, the operation of the rotating speed of controller Oil pump electrical machinery, temperature controlling instrument, electric control valve and electronic heat control valve in view of the above; Each parts of described modularized lubricating system are integrated into a module, independently are arranged in by the diesel engine.
Described heating equipment comprises heater and heater control cabinet, and described heater is located in the described fuel tank, and described heater control cabinet input end is connected with described temperature controlling instrument, and output terminal is connected with described heater.
The running state parameter of described motor comprises rotating speed, load and delivery temperature, and control unit utilizes these parameters to select suitable output controlled quentity controlled variable, to control the operation of each parts according to default control curve.
Described control unit comprises a computer and the PLC that is connected with computer, and described PLC is connected with electric control valve with described a plurality of sensors, temperature controlling instrument, frequency variator and electronic heat control valve.
Described Modularized lubricating system for diesel engine also comprises lubricating oil strainer and lubricating oil mechanical filter, and described lubricating oil strainer is located at the entry end of described oil pump, and described lubricating oil mechanical filter is located at the outlet end of described oil pump.
Modularized lubricating system for diesel engine of the present invention is compared prior art, has following remarkable advantage:
1. modular form makes the system architecture compactness, arranges simple, easy for installation;
2. versatility is good, at different diesel engines, only need main accessories in the replacing system structure, adjust the demand that each performance parameter can satisfy different diesel engines, reduced production, maintenance cost;
3. native system can be applied to the focusing on of the lubricant oil of many diesel engines, supply and parameter optimization are reduced component, improve diesel engine machinery efficient;
4. native system has been realized diesel engine optimization configuration of temperature, flow and the pressure of each branch's branch road and the required lubricating oil of key point during running in full operating mode scope, makes diesel oil function reliably working under the lubricated and state of cooling of the best;
5. in conjunction with native system, be equipped with necessary measuring point, the research device that can form a cover lubricating system of diesel oil engine, can accurately measure each key point of lubricating system of diesel oil engine, accumulation system test data, in addition, change a little also can be to the characteristic parameter and the performance research experiment of main accessories in the system such as pump, oil cooler for patent of the present invention.
Description of drawings
Further specify the features and advantages of the present invention below in conjunction with the drawings and specific embodiments, wherein:
Fig. 1 is the principle schematic of Modularized lubricating system for diesel engine of the present invention;
Fig. 2 is the structural representation of Modularized lubricating system for diesel engine of the present invention;
Fig. 3 is the control unit structured flowchart of Modularized lubricating system for diesel engine of the present invention.
Embodiment
See also Fig. 1～shown in Figure 3, Modularized lubricating system for diesel engine 10 of the present invention, each parts is integrated into a module, it is other independently to be arranged in diesel engine 200, and be connected with the oil system of diesel engine 200, by this design, only need necessary pipeline to be connected, and the data necessary interface only need the transmission of data with the diesel engine central control desk and handle with regard to the energy proper functioning with diesel engine.
Lubrication system comprises: fuel tank 100; Heating equipment comprises heater 101 and heater control cabinet 102, and heater 101 is located in the fuel tank 100, and is connected to heater control cabinet 102; Temperature controlling instrument 103 is connected with heater control cabinet 102, and exportable temperature regulation signal is given heater control cabinet 102; Oil pump device, comprise the oil pump 104 that links to each other with fuel tank 100, the oil pump motor 105 and the frequency variator 106 that is connected with oil pump motor 105 of driving machine oil pump 104, frequency variator 106 sends motor control signal, the rotating speed of control motor 105, motor 105 is given frequency variator 106 with speed feedback simultaneously; Electric control valve 107, electronic heat control valve 108 and oil cooler 109 are located at oil pump 104 outlet, and the erection sequence between them can change, for example according to the order of electric control valve 107, electronic heat control valve 108 and oil cooler 109; A plurality of sensors, comprise the fuel tank temperature transducer 110 of being located at fuel tank 100 outlets, outlet temperature sensor 112 and the outlet pressure sensor 113 of being located at the oil pump pressure transducer 111 of oil pump 104 outlets and being located at electronic heat control valve 108 outlets, wherein fuel tank temperature transducer 110 can be connected to temperature controlling instrument 103, form the temperature control of closed loop, the lube pipe of outlet temperature sensor 112 and outlet pressure sensor 113 installation places is the in-line of diesel engine oil system; Control unit 120, comprise a computer 121 and the PLC that is connected with computer 121 (Programmable Logic Controller) 122, wherein PLC 122 and diesel engine 200, a plurality of sensors 110～113, temperature controlling instrument 103, frequency variator 106, and electric control valve 107 is connected with electronic heat control valve 108, PLC 122 can obtain the running state parameter of diesel engine 200, and the detection data of a plurality of sensors 110～113, store in the computer 121 at each power unit, comprise temperature controlling instrument 103, frequency variator 106, and the control curve of electric control valve 107 and electronic heat control valve 108, control unit 120 is according to the running state parameter of diesel engine 200, and the detection data of a plurality of sensors 110～113, from the control curve, select suitable controlled quentity controlled variable, export to temperature controlling instrument 103 respectively, frequency variator 106, and electric control valve 107 and electronic heat control valve 108, reach automatic adjustment purpose.
Above the running state parameter of said diesel engine comprise basic parameters such as rotating speed, load and delivery temperature, but be not limited in this.When being necessary, control unit 120 obtains more running state parameter from diesel engine 200, with as self-adjusting foundation.
For guaranteeing the lubricating oil cleaning, generally after lubricating oil flows out from fuel tank 100, through filtration treatment, for this reason, oil system of the present invention also comprises lubricating oil strainer 114 and lubricating oil mechanical filter 115, and wherein lubricating oil strainer 114 is located at the entry end of oil pump 104, tentatively filters, lubricating oil mechanical filter 115 is located at the outlet end of oil pump 104, plays a part further to filter.Should be pointed out that filter can be provided with in lube pipe usually as required, its quantity and mounting point be not as restriction.
After electronic heat control valve 108, a low-pressure alarming device 116 is set, when the oil circuit hypotony, send alarm command and give the Diesel Engine Control platform, to remind the operator, avoid occurring unexpected.
The following describes the oil temperature, pressure and the flow control process that utilize Modularized lubricating system for diesel engine of the present invention.
The control procedure of oil temperature: diesel engine warming-up or do oil system component when test, the diesel engine 200 working procedure status parameter (rotating speeds that PLC 122 receives by external sensor, load, row's temperature), provide an imitated output quantity AO1 in view of the above and give temperature controlling instrument 103, temperature controlling instrument 103 provides a temperature regulation output quantity again, the work of control heater 101, temperature in the fuel tank 100 is given temperature controlling instrument 103 by the signal feed back of fuel tank temperature transducer 110 simultaneously, thereby form a thermoregulator closed cycle, can make the oily temperature in the fuel tank reach setting value by this closed loop control.During diesel engine 200 proper functioning, the adjusting of oil temperature then realizes by electronic heat control valve 108 and oil cooler 109.The output quantity control that the temperature setting range of heat control valve 108 and aperture are provided by PLC 122 equally, the temperature of heat control valve 108 feeds back to PLC 122 by the outlet temperature sensor of being located at behind the heat control valve 108 112 simultaneously, forms closed cycle.
The control procedure of lubricating oil pressure and flow: during diesel engine 200 proper functioning, PLC 122 is according to diesel engine work state, provide an imitated output quantity AO2 according to the adjustment curve that sets in advance and give frequency variator 106, the signal of frequency variator 106 is given oil pump motor 105 again, make motor 105 by the rotary speed working that configures, thereby drive lubricating oil pump 104 according to set condition work.The tach signal of motor 105 will feed back to frequency variator 106 equally, forms the enclosed feedback cycle.Like this, the oil flow of lubricating oil pump output is exactly the setting value that we require.Be located at the electric control valve 107 behind the lubricating oil pump 104, by PLC 122 its apertures of control, thus the pressure that obtains setting, the pressure of modulating valve 107 feeds back to PLC 122 by the outlet temperature sensor of being located at behind the modulating valve 107 113 simultaneously, forms closed cycle.
Like this, intelligent control by 120 pairs of oil pump 104 of control unit, electric control valve 107 and electronic heat control valve 108, operating mode according to the diesel engine operation is adjusted automatically, but allocation optimum is to oil flow, the pressure and temperature at diesel engine 200 each primary lubricant portion and crucial cooling position, guarantee diesel engine oil system optimization work in the whole service scope, make oil system can under the diesel engine different load, realize the reasonable distribution of each main branch line oil flow, pressure and temperature, and then can satisfy the requirement of full electronic controlled diesel development.
Modularized lubricating system for diesel engine of the present invention also can be achieved as follows to be revised and uses:
1. at different diesel engines, only need main accessories in the replacing system structure, adjust the demand that each performance parameter can satisfy different diesel engines, reduced production, maintenance cost;
2. native system can be applied to the focusing on of the lubricant oil of many diesel engines, supply and parameter optimization are reduced component, improve diesel engine machinery efficient;
3. in conjunction with lubrication system of the present invention, be equipped with necessary measuring point, the research device that can form a cover lubricating system of diesel oil engine, can accurately measure each key point of lubricating system of diesel oil engine, accumulation system test data, in addition, change a little also can be to the characteristic parameter and the performance research experiment of main accessories in the system such as pump, oil cooler for patent of the present invention.
Above embodiment's explanation only is preferred embodiment explanation of the present invention, and those skilled in the art can make the replacement and the modification of other all equivalence according to the above embodiment of the present invention explanation.Yet these all equivalences of doing according to the embodiment of the invention are replaced and are revised, and belong to invention spirit of the present invention and reach by in the claim that claim defined.
Claims (5)
1. Modularized lubricating system for diesel engine, electric control valve, electronic heat control valve and oil cooler after comprising fuel tank, be used for the heating equipment of heating fuel tank, the temperature controlling instrument that is used to control described heating equipment, the oil pump device that is connected with fuel tank and be located at oil pump device successively, the oil cooler outlet is connected with the oil system of diesel engine; Described oil pump device comprises the motor of oil pump, driving machine oil pump and the frequency variator of control motor operation; It is characterized in that, also comprise:
A plurality of sensors comprise the fuel tank temperature transducer of being located at fuel-tank outlet, outlet temperature sensor and the outlet pressure sensor of being located at the oil pump pressure transducer of oil pump outlet and being located at electronic heat control valve outlet;
Control unit, be connected with electric control valve with described a plurality of sensors, temperature controlling instrument, frequency variator and electronic heat control valve, control unit obtains the detection data of running state parameter and a plurality of sensors of motor, the operation of the rotating speed of controller Oil pump electrical machinery, temperature controlling instrument, electric control valve and electronic heat control valve in view of the above;
Each parts of described modularized lubricating system are integrated into a module, independently are arranged in by the diesel engine.
2. Modularized lubricating system for diesel engine as claimed in claim 1, it is characterized in that described heating equipment comprises heater and heater control cabinet, described heater is located in the described fuel tank, described heater control cabinet input end is connected with described temperature controlling instrument, and output terminal is connected with described heater.
3. Modularized lubricating system for diesel engine as claimed in claim 1 is characterized in that the running state parameter of described motor comprises rotating speed, load and delivery temperature.
4. Modularized lubricating system for diesel engine as claimed in claim 1 is characterized in that, also comprises lubricating oil strainer and lubricating oil mechanical filter, and described lubricating oil strainer is located at the entry end of described oil pump, and described lubricating oil mechanical filter is located at the outlet end of described oil pump.
5. Modularized lubricating system for diesel engine as claimed in claim 1, it is characterized in that, described control unit comprises a computer and the PLC that is connected with computer, and described PLC is connected with electric control valve with described a plurality of sensors, temperature controlling instrument, frequency variator and electronic heat control valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006101167445A CN100432381C (en) | 2006-09-29 | 2006-09-29 | Modularized lubricating system for diesel engine |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006101167445A CN100432381C (en) | 2006-09-29 | 2006-09-29 | Modularized lubricating system for diesel engine |
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| CN1928331A CN1928331A (en) | 2007-03-14 |
| CN100432381C true CN100432381C (en) | 2008-11-12 |
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| CNB2006101167445A Active CN100432381C (en) | 2006-09-29 | 2006-09-29 | Modularized lubricating system for diesel engine |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101458159B (en) * | 2007-12-11 | 2011-11-23 | 中国兵器工业集团第七○研究所 | Engine oil pressure dispensing device for diesel engine |
| CN103080628B (en) * | 2010-04-01 | 2016-03-30 | Skf公司 | The lubrication system improved |
| DE202010016721U1 (en) * | 2010-12-20 | 2011-04-21 | Lincoln Gmbh | Lubricant pump and lubrication system with pump heating |
| CN104213953B (en) * | 2013-05-31 | 2017-06-06 | 上海汽车集团股份有限公司 | Two grades of machine oil pump control systems of vehicle and method |
| CN104234824A (en) * | 2014-09-24 | 2014-12-24 | 南车成都机车车辆有限公司 | Internal combustion locomotive diesel engine turbocharger oil supply system and control method of internal combustion locomotive diesel engine turbocharger oil supply system |
| CN104279153A (en) * | 2014-10-23 | 2015-01-14 | 广西北海玉柴马石油高级润滑油有限公司 | Engine oil pump development system |
| CN106401835A (en) * | 2016-08-29 | 2017-02-15 | 中车大连机车车辆有限公司 | Heat preservation method and device for cooling water and engine oil of diesel engine in low-temperature environment |
| CN109578106A (en) * | 2019-02-15 | 2019-04-05 | 广西玉柴机器股份有限公司 | The electric variable flow machine oil pump system of engine |
| CN113847116B (en) * | 2021-10-27 | 2023-01-17 | 一汽解放汽车有限公司 | Engine oil flow control method based on engine oil temperature and pressure |
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| CN2074821U (en) * | 1990-09-17 | 1991-04-10 | 梁金华 | Quick pre-heating device for automobile engine |
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| CN1928331A (en) | 2007-03-14 |
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Assignee: Wartsila Qiyao Diesel Company Ltd. (Shanghai) Assignor: The 711th Research Institute of China Shipbuilding Industrial Corporation(CSIC) Contract record no.: 2010310000141 Denomination of invention: Modularized lubricating system for diesel engine Granted publication date: 20081112 License type: Exclusive License Open date: 20070314 Record date: 20100809 |