CN104234824A - Internal combustion locomotive diesel engine turbocharger oil supply system and control method of internal combustion locomotive diesel engine turbocharger oil supply system - Google Patents
Internal combustion locomotive diesel engine turbocharger oil supply system and control method of internal combustion locomotive diesel engine turbocharger oil supply system Download PDFInfo
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- CN104234824A CN104234824A CN201410494179.0A CN201410494179A CN104234824A CN 104234824 A CN104234824 A CN 104234824A CN 201410494179 A CN201410494179 A CN 201410494179A CN 104234824 A CN104234824 A CN 104234824A
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Abstract
The invention discloses an internal combustion locomotive diesel engine turbocharger oil supply system and a control method of the internal combustion locomotive diesel engine turbocharger oil supply system. The oil supply system comprises an engine oil tank arranged in a locomotive power chamber, wherein the engine oil tank is connected with an engine oil pump motor group, the engine oil pump motor group is connected with a controller through a signal wire, the controller is connected with a diesel engine rotating speed collector through a data wire, and the engine oil pump motor group is sequentially connected with a check valve, a heat exchanger and an engine oil coarse filter. The system and the control method have the positive effects that a turbocharger engine oil system is singly designed, a rotating speed controller is adopted for controlling the rotating speed of an engine oil pump, so that the oil pressure value of the turbocharger adapts to the rotating speed value of a diesel engine, and the power loss and the noise are reduced. The engine oil used by the turbocharger is not influenced by the diesel engine and other engine oil systems, the engine oil precision is greatly improved, the engine oil consumption is low, the size of the oil tank is small, the oil tank can be conveniently and regularly cleaned in the use process, the engine oil can be conveniently and regularly replaced, the lubrication condition of the turbocharger is greatly improved, and the fault can be effectively controlled.
Description
Technical field
The present invention relates to a kind of diesel engine of diesel locomotive pressurized machine oil supply system and controlling method thereof.
Background technique
Diesel engine oil system is comparatively complicated; each rubbing surface oil clearance is larger; the abrasive particle meeting ingress engine oil system that system in use produces; engine oil quality is not high; therefore the machine oil that diesel engine system inside uses is used further to pressurized machine; often traction passenger vehicle there is dead, the blade of supercharger rotor and sweeps the faults such as boring, cause diesel engine from exhausting black smoke, if even can affect passenger's life safety.
Pressurized machine internal bearings oil clearance is little, and its rotating speed, up to more than 25000r/min, requires very high to the quality, turbidity test etc. of machine oil.According to statistics, current locomotive pressure device fault major part is all because machine oil goes wrong and caused.
Existing diesel engine of diesel locomotive pressurized machine engine oil supply system adopts and diesel engines lubricating oil system integral type, system mainly comprises (as shown in Figure 1) such as oil sump, oil pump, heat exchanger, diesel engine engine oil filter, diesel engine, engine oil filter for booster, pressurized machines, the machine oil of oil sump is extracted out through oil pump and is carried out in a heat exchanger cooling, then after diesel engine engine oil filter filters, first enter diesel engine main oil gallery, carry out after essence filter for pressurized machine through engine oil filter for booster again out.Wherein, layered front portion (i.e. oil sump, oil pump, heat exchanger, diesel engine engine oil filter, diesel engine) is public, namely the machine oil for pressurized machine lubrication is consistent with diesel engine system machine oil, due to the whole oil supply system more complicated of diesel engine, strainer precision is relatively low, oil sump capacity is large, utilization process can not thoroughly be cleaned, bottom greasy filth is many, after making locomotive operation a period of time, use though engine oil quality can meet diesel engine substantially, be unfavorable for that pressurized machine normally works, the machine oil quality of pressurized machine high request can not be met.
Summary of the invention
In order to overcome the above-mentioned shortcoming of prior art, the invention provides a kind of diesel engine of diesel locomotive pressurized machine oil supply system and controlling method thereof, pressurized machine lubricating oil system is designed separately, rotational speed governor is adopted to control oil pump rotating speed, pressurized machine engine oil pressure size and diesel engine speed height are adapted, reduces power loss and noise.Pressurized machine machine oil used no longer affects by other lubricating oil systems of diesel engine, and machine oil precision improves greatly, because machine oil use amount is little, fuel tank volume is little, can in utilization process easily periodic cleaning fuel tank, change machine oil, pressurized machine lubricating condition is improved greatly, and fault can be effectively controlled.
The technical solution adopted for the present invention to solve the technical problems is: a kind of diesel engine of diesel locomotive pressurized machine oil supply system, comprise the sump be arranged in railroad traction room, described sump is connected with oil pump group of motors, described oil pump group of motors is connected with controller by signaling line, and described controller is connected with diesel engine speed collector by datawire; Described oil pump group of motors is connected with check valve, heat exchanger, primary oil filter successively.
Machine oil safety valve is provided with between described check valve and sump.Described diesel engine speed collector, controller, oil pump group of motors and check valve are at least and two covers connect.
Described primary oil filter connects the common part after two cover filter thin oils and secondary filter respectively, and the common part after described secondary filter comprises supercharger pressure modulating valve, turbocharger inlet oil pressure gauge.
Present invention also offers a kind of controlling method of diesel engine of diesel locomotive pressurized machine oil supply system, comprise the steps:
Step one, diesel engine speed to be gathered:
Diesel engine speed collector gathers diesel engine speed, then sends by datawire the electrical signal collected to control system and processes;
Step 2, system carry out judging and controlling:
Control system carries out amplification process after receiving tach signal, then judge:
(1) when diesel engine speed is basic rotating speed, control system sends control signal to oil pump group of motors, and controller Oil pump electrical machinery group rotating speed, guarantees that pressurized machine engine oil pressure maintains 0.1 ~ 0.25MPa scope;
(2) when diesel engine speed reaches maximum speed 1000r/min, control system sends control signal to oil pump group of motors, and controller Oil pump electrical machinery group rotating speed, guarantees that pressurized machine engine oil pressure maintains 0.4 ~ 0.6MPa scope;
(3) when diesel engine speed changes between the highest and basic rotating speed, control system sends control signal to oil pump group of motors, controller Oil pump electrical machinery group rotating speed, guarantees that pressurized machine engine oil pressure is in the interval internal linear change of 0.1 ~ 0.6MPa;
Step 3, control system detect engine oil pressure in real time, and when pressure is greater than 0.8MPa, machine oil safety valve is opened, and machine oil is got back in sump, otherwise machine oil safety valve cuts out; Step 4, cold filtration is carried out to machine oil:
The cooling of machine oil adopts heat exchanger to carry out, and utilizes locomotive system low-temperature cooling water, and first machine oil enter strainer and carry out coarse filtration after cooling, again through once essence filter before entering pressurized machine.
Compared with prior art, good effect of the present invention is: the lubrication system overcoming former pressurized machine affects the deficiency making machine oil inferior quality by diesel engine other factors, by separately establishing a set of independently pressurized machine oil lubricating system on locomotive, not only can guarantee the normal work of pressurized machine, can also control engine oil quantity and oil pressure according to diesel engine speed simultaneously, the in time lubricating oil of supplying clean high-quality, prevents the generation of pressurized machine fault.In the present invention, the machine oil that diesel pressure booster uses is completely independent, can guarantee the quality of the machine oil for its lubrication, to prevent the generation of pressurized machine fault; Meanwhile, the rotating speed of oil pump group of motors, by the control of diesel engine speed height, can guarantee that pressurized machine has applicable its normal working machine oil pressure and oil mass under each operating mode, reduces power loss and noise.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the structural representation of existing pressurized machine lubricating oil system;
Fig. 2 is the structural representation of pressurized machine oil supply system of the present invention.
Embodiment
A kind of diesel engine of diesel locomotive pressurized machine oil supply system, as shown in Figure 2, comprises sump, control system, oil pump, cooling system, filtering and voltage-regulating system etc., wherein:
Described sump is arranged in railroad traction room, sump is connected with oil pump group of motors, described control system is at least a set of, often cover includes: diesel engine speed collector, described rotating speed collector is connected with controller by datawire, and described controller is connected with oil pump group of motors by signaling line; Oil pump group of motors is connected with check valve, heat exchanger, primary oil filter successively, and primary oil filter connects two cover filter thin oils respectively and later common part (comprising two cover supercharger pressure modulating valve, turbocharger inlet oil pressure gauge) is then oily for two cover pressurized machines respectively; Machine oil safety valve is provided with between check valve and sump.
Present invention also offers a kind of controlling method of diesel engine of diesel locomotive pressurized machine oil supply system, control pressurized machine engine oil pressure size according to diesel engine speed signal magnitude.Control comprises the steps:
Step one, diesel engine speed to be gathered:
Diesel engine speed collector gathers diesel engine speed, then sends by datawire the electrical signal collected to control system and processes.
Step 2, system carry out judging and controlling:
Control system carries out amplification process after receiving tach signal, then judge:
(1) when diesel engine speed is basic rotating speed, control system sends control signal to oil pump group of motors, and controller Oil pump electrical machinery group rotating speed, guarantees that pressurized machine engine oil pressure maintains 0.1 ~ 0.25MPa scope;
(2) when diesel engine speed reaches maximum speed 1000r/min, control system sends control signal to oil pump group of motors, and controller Oil pump electrical machinery group rotating speed, guarantees that pressurized machine engine oil pressure maintains 0.4 ~ 0.6MPa scope;
(3) when diesel engine speed changes between the highest and basic rotating speed, control system sends control signal to oil pump group of motors, controller Oil pump electrical machinery group rotating speed, guarantees that pressurized machine engine oil pressure is in the interval internal linear change of 0.1 ~ 0.6MPa.
Step 3, control system detect engine oil pressure in real time, and when pressure is greater than 0.8MPa, machine oil safety valve is opened, and machine oil is got back in sump, otherwise machine oil safety valve cuts out;
Step 4, cold filtration is carried out to machine oil:
The cooling of machine oil adopts heat exchanger to carry out, and utilizes locomotive system low-temperature cooling water, and first machine oil enter strainer and carry out coarse filtration after cooling, again through once essence filter before entering pressurized machine.
Below for two cover control system, working principle of the present invention is described:
Two cover oil pump-group of motors are connected with motor speed controller (A, B) respectively, motor speed controller (A, B) is connected with diesel engine speed collector (A, B) respectively, realizes oil pump by diesel speed control; Sump overlaps oil pump-group of motors (A, B) respectively and is connected with two, extract machine oil out by oil pump; Oil pump-group of motors (A, B) is connected with check valve (A, B) respectively, can prevent machine oil adverse current by check valve; Check valve (A, B) is connected with heat exchanger jointly, connects two cover filter thin oils and later common part (comprising two cover supercharger pressure modulating valve, turbocharger inlet oil pressure gauge) respectively then oily for two cover pressurized machines respectively after primary oil filter is connected with heat exchanger; Described inverse machine oil safety valve is connected with sump, realizes the oil return of unnecessary machine oil.
The present invention adopts two cover rotating speed collectors, control system and oil pump-group of motors and connects, and causes pressurized machine to work, cause machine to break fault after preventing certain cover system from breaking down; Described design two check valves prevent machine oil adverse current; Described machine oil safety valve, in order to the controller oil pressure upper limit, prevents overpressure.
During diesel engine work, control system gathers tach signal and is become electrical signal, electrical signal monocycle controller Oil pump electrical machinery is utilized to work under different rotating speeds after signal transacting, the machine oil of sump is extracted out by oil pump, again after cools down, coarse filtration and secondary filter filter, supply pressurized machine uses, and guarantees that it normally works under each operating mode.System Computer Oil pump electrical machinery group can work simultaneously, also can work independently when set of system fault state.
Claims (6)
1. a diesel engine of diesel locomotive pressurized machine oil supply system, it is characterized in that: comprise the sump be arranged in railroad traction room, described sump is connected with oil pump group of motors, described oil pump group of motors is connected with controller by signaling line, and described controller is connected with diesel engine speed collector by datawire; Described oil pump group of motors is connected with check valve, heat exchanger, primary oil filter successively.
2. a kind of diesel engine of diesel locomotive pressurized machine oil supply system according to claim 1, is characterized in that: between described check valve and sump, be provided with machine oil safety valve.
3. a kind of diesel engine of diesel locomotive pressurized machine oil supply system according to claim 1, is characterized in that: described diesel engine speed collector, controller, oil pump group of motors and check valve are at least and two covers connect.
4. a kind of diesel engine of diesel locomotive pressurized machine oil supply system according to claim 1, is characterized in that: described primary oil filter connects the common part after two cover filter thin oils and secondary filter respectively.
5. a kind of diesel engine of diesel locomotive pressurized machine oil supply system according to claim 4, is characterized in that: the common part after described secondary filter comprises supercharger pressure modulating valve and turbocharger inlet oil pressure gauge.
6. a controlling method for diesel engine of diesel locomotive pressurized machine oil supply system, is characterized in that: comprise the steps:
Step one, diesel engine speed to be gathered:
Diesel engine speed collector gathers diesel engine speed, then sends by datawire the electrical signal collected to control system and processes;
Step 2, system carry out judging and controlling:
Control system carries out amplification process after receiving tach signal, then judge:
(1) when diesel engine speed is basic rotating speed, control system sends control signal to oil pump group of motors, and controller Oil pump electrical machinery group rotating speed, guarantees that pressurized machine engine oil pressure maintains 0.1 ~ 0.25MPa scope;
(2) when diesel engine speed reaches maximum speed 1000r/min, control system sends control signal to oil pump group of motors, and controller Oil pump electrical machinery group rotating speed, guarantees that pressurized machine engine oil pressure maintains 0.4 ~ 0.6MPa scope;
(3) when diesel engine speed changes between the highest and basic rotating speed, control system sends control signal to oil pump group of motors, controller Oil pump electrical machinery group rotating speed, guarantees that pressurized machine engine oil pressure is in the interval internal linear change of 0.1 ~ 0.6MPa;
Step 3, control system detect engine oil pressure in real time, and when pressure is greater than 0.8MPa, machine oil safety valve is opened, and machine oil is got back in sump, otherwise machine oil safety valve cuts out;
Step 4, cold filtration is carried out to machine oil:
The cooling of machine oil adopts heat exchanger to carry out, and utilizes locomotive system low-temperature cooling water, and first machine oil enter strainer and carry out coarse filtration after cooling, again through once essence filter before entering pressurized machine.
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| CN201410494179.0A CN104234824A (en) | 2014-09-24 | 2014-09-24 | Internal combustion locomotive diesel engine turbocharger oil supply system and control method of internal combustion locomotive diesel engine turbocharger oil supply system |
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| CN201410494179.0A CN104234824A (en) | 2014-09-24 | 2014-09-24 | Internal combustion locomotive diesel engine turbocharger oil supply system and control method of internal combustion locomotive diesel engine turbocharger oil supply system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810271A (en) * | 2020-07-24 | 2020-10-23 | 中车戚墅堰机车有限公司 | Detection system and detection method for diesel engine protection device |
| CN113202593A (en) * | 2021-05-28 | 2021-08-03 | 北京理工大学 | Flow-adjustable engine oil pump system of engine |
| CN114856753A (en) * | 2022-04-21 | 2022-08-05 | 上汽通用五菱汽车股份有限公司 | Engine oil replacement precision control device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1928331A (en) * | 2006-09-29 | 2007-03-14 | 中国船舶重工集团公司第七一一研究所 | Modularized lubricating system for diesel engine |
| CN101469620A (en) * | 2007-12-25 | 2009-07-01 | 中国北车集团大连机车车辆有限公司 | Protecting method for diesel pressure booster |
| CN201705398U (en) * | 2010-05-27 | 2011-01-12 | 江苏安泰动力机械有限公司 | Lubricating device of slide bearing turbine pressure booster |
| CN103061871A (en) * | 2013-01-09 | 2013-04-24 | 浙江吉利汽车研究院有限公司杭州分公司 | Method and device for lubricating and protecting supercharger of automobile |
| EP2615268A1 (en) * | 2010-09-06 | 2013-07-17 | Aisin Seiki Kabushiki Kaisha | Oil pressure control device |
| CN203146102U (en) * | 2013-03-05 | 2013-08-21 | 黄增宇 | Pressurizing and filtering device for locomotive supercharger |
| CN204060914U (en) * | 2014-09-24 | 2014-12-31 | 南车成都机车车辆有限公司 | A kind of diesel engine of diesel locomotive pressurized machine oil supply system |
-
2014
- 2014-09-24 CN CN201410494179.0A patent/CN104234824A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1928331A (en) * | 2006-09-29 | 2007-03-14 | 中国船舶重工集团公司第七一一研究所 | Modularized lubricating system for diesel engine |
| CN101469620A (en) * | 2007-12-25 | 2009-07-01 | 中国北车集团大连机车车辆有限公司 | Protecting method for diesel pressure booster |
| CN201705398U (en) * | 2010-05-27 | 2011-01-12 | 江苏安泰动力机械有限公司 | Lubricating device of slide bearing turbine pressure booster |
| EP2615268A1 (en) * | 2010-09-06 | 2013-07-17 | Aisin Seiki Kabushiki Kaisha | Oil pressure control device |
| CN103061871A (en) * | 2013-01-09 | 2013-04-24 | 浙江吉利汽车研究院有限公司杭州分公司 | Method and device for lubricating and protecting supercharger of automobile |
| CN203146102U (en) * | 2013-03-05 | 2013-08-21 | 黄增宇 | Pressurizing and filtering device for locomotive supercharger |
| CN204060914U (en) * | 2014-09-24 | 2014-12-31 | 南车成都机车车辆有限公司 | A kind of diesel engine of diesel locomotive pressurized machine oil supply system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810271A (en) * | 2020-07-24 | 2020-10-23 | 中车戚墅堰机车有限公司 | Detection system and detection method for diesel engine protection device |
| CN111810271B (en) * | 2020-07-24 | 2021-11-23 | 中车戚墅堰机车有限公司 | Detection system and detection method for diesel engine protection device |
| CN113202593A (en) * | 2021-05-28 | 2021-08-03 | 北京理工大学 | Flow-adjustable engine oil pump system of engine |
| CN114856753A (en) * | 2022-04-21 | 2022-08-05 | 上汽通用五菱汽车股份有限公司 | Engine oil replacement precision control device |
| CN114856753B (en) * | 2022-04-21 | 2023-05-12 | 上汽通用五菱汽车股份有限公司 | Engine oil replacement precision control device |
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Address after: 610057 Sichuan city of Chengdu province Chenghua District Second Bridge Road No. 31 Applicant after: CRRC CHENGDU CO., LTD. Address before: 610057 Sichuan city of Chengdu province Chenghua District Second Bridge Road No. 31 Applicant before: CSR Chengdu Co., Ltd. |
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Application publication date: 20141224 |
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