CN104500473A - Static hydraulicsystem of internal combustion locomotive and control method of static hydraulic system - Google Patents
Static hydraulicsystem of internal combustion locomotive and control method of static hydraulic system Download PDFInfo
- Publication number
- CN104500473A CN104500473A CN201410730746.8A CN201410730746A CN104500473A CN 104500473 A CN104500473 A CN 104500473A CN 201410730746 A CN201410730746 A CN 201410730746A CN 104500473 A CN104500473 A CN 104500473A
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- China
- Prior art keywords
- hydrostatic
- oil
- electric valve
- solenoid electric
- static
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/10—Controlling of coolant flow the coolant being cooling-air by throttling amount of air flowing through liquid-to-air heat exchangers
- F01P7/12—Controlling of coolant flow the coolant being cooling-air by throttling amount of air flowing through liquid-to-air heat exchangers by thermostatic control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Analytical Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Toys (AREA)
Abstract
The invention discloses a static hydraulicsystem of an internal combustion locomotive and a control method of the static hydraulic system. The static hydraulicsystem comprises a static hydraulic pump, a proportional electromagnetic control valve, a static hydraulic motor, a cooling fan, an oil-air radiator, a static hydraulic oil tank and a controller, wherein the static hydraulic pump is connected with a diesel engine; a temperature sensor is mounted at the water outlet of the diesel engine; the oil inlet of the statichydraulic pump is connected with the static hydraulic oil tankthrough a pipeline; the oil outlet of the static hydraulic pump is connected with the static hydraulic motor and the proportional electromagnetic control valve through a pipeline; the static hydraulic motor is used for driving the cooling fan; the oil outlet of the static hydraulic motor is connected with the oil-air radiator through a pipeline; the outlet of the oil-air radiator and the overflow hole of the proportional electromagnetic control valve are connected with the static hydraulic oil tank through pipelines; the controller is used for receiving a signal of the temperature sensor and controlling the proportional electromagnetic control valve. According to the static hydraulic system, the pipeline arrangement structure of the static hydraulic system is simplified, control is accurate, faults difficultly occur, and the service life is relatively long.
Description
Technical field
The present invention relates to a kind of hydraulic system, particularly relate to a kind of diesel locomotive hydrostatic system and control system thereof.
Background technique
The effect of diesel locomotive hydrostatic system is used to drive cooling fan, and the running of the automatic controlled cooling model fan of energy, stopping and rotation speed change, the water temperature of cooling water system is controlled in the scope required, thus ensures the reliability of diesel engine work.
At present, diesel locomotive hydrostatic system all adopts traditional approach, and diesel engine free end is connected with gear-box through cardan shaft, drives hydrostatic pump by gear-box, hydrostatic motor is organically combined the change of the change of cooling fan rotation speed with diesel engine oil coolant-temperature gage by the thermostatic element in heat-operated valve, thus according to the water temperature of diesel engine cold water, the running of automatic controlled cooling model fan, stop and rotation speed change, the throttle grverning principle of the heat-operated valve that application and hydrostatic motor oil supply loop are in parallel, by regulating the other drainage flow of heat-operated valve restriction, carry out the flow that control flow check enters the working medium of hydrostatic motor, thus realize the stepless speed regulation of cooling fan, the water temperature of the cooling water system of diesel engine is remained in the scope of requirement.
This control mode of hydrostatic pressure system adopts the structure of heat-operated valve and safety valve to there are some problems in utilization process: 1. heat-operated valve and safety valve often violate card; 2. thermostatic element operating temperature drifts about after using a period of time; 3. thermostatic element is short for working life; 4. hydrostatic pressure system line arrangement is complicated.
How to solve the problems of the technologies described above and become this those skilled in the art's problem demanding prompt solution.
Summary of the invention
Object of the present invention is just to provide a kind of diesel locomotive hydrostatic system and controlling method thereof, can solve the technical problem that above-mentioned prior art exists completely.
Object of the present invention is realized by following technical proposals:
A kind of diesel locomotive hydrostatic system, comprise hydrostatic pump, ratio solenoid electric valve, hydrostatic motor, cooling fan, oil-air radiator, hydrostatic fuel tank and controller, described hydrostatic pump is connected with diesel engine, diesel engine water outlet mounting temperature sensor, hydrostatic pump filler opening pipeline connects hydrostatic fuel tank, oil outlet pipeline connects hydrostatic motor and ratio solenoid electric valve, hydrostatic motor drives cooling fan, hydrostatic motor oil outlet pipeline connects oil-air radiator, oil-air radiator outlet is connected hydrostatic fuel tank with ratio solenoid electric valve flow-off pipeline, controller receives the signal of temperature transducer, and comparative example solenoid electric valve controls.
As preferably, described oil-air radiator outlet is connected filter with ratio solenoid electric valve flow-off pipeline, and filter pipeline connects hydrostatic fuel tank.
The controlling method of above-mentioned diesel locomotive hydrostatic system, described hydrostatic pump is from hydrostatic fuel tank oil suction, supply hydrostatic motor and ratio solenoid electric valve after pressurization, according to the temperature signal that temperature transducer transmits, the closedown of controller control ratio solenoid electric valve and unlatching aperture, thus control flow check enters the hydraulic fluid flow rate of hydrostatic motor and the rotating speed of controlled cooling model fan, the hydraulic oil that hydrostatic motor flows out after oil-air radiator cooling with the hydraulic oil inflow filter in the lump of ratio solenoid electric valve flow-off place's overflow, clean hydraulic oil after filter flows back to hydrostatic fuel tank.
Compared with prior art, beneficial effect of the present invention is: the pipeline arranging structure simplifying hydrostatic pressure system, controls accurately, not easily to break down, longer service life.Adoption rate solenoid electric valve in hydrostatic pressure system, controller is by the electrical signal control ratio solenoid electric valve of the temperature transducer in water lines, thus the ratio of adjustment Electromagnetic Control valve opening, control leakage flow, and then control the flow of the working medium flowing into oil hydraulic motor, realize the stepless speed regulation of cooling fan.It can according to the water temperature of diesel engine cold water, and the running of automatic controlled cooling model fan, stopping and rotation speed change, make the water temperature of the cooling water system of diesel engine remain in the scope of requirement.
Accompanying drawing explanation
Fig. 1 is system architecture schematic diagram of the present invention.
Embodiment
Below in conjunction with specific embodiments and the drawings, the present invention is further illustrated.
Shown in Figure 1, a kind of diesel locomotive hydrostatic system, comprise hydrostatic pump D, ratio solenoid electric valve G, hydrostatic motor B, cooling fan A, oil-air radiator C, filter I, hydrostatic fuel tank F and controller J, described hydrostatic pump D is connected with diesel engine E, diesel engine E water outlet mounting temperature sensor H, hydrostatic pump D filler opening pipeline connects hydrostatic fuel tank F, oil outlet pipeline connects hydrostatic motor B and ratio solenoid electric valve G, hydrostatic motor B drives cooling fan A, hydrostatic motor B oil outlet pipeline connects oil-air radiator C, oil-air radiator C outlet is connected filter I with ratio solenoid electric valve G flow-off pipeline, filter I pipeline connects hydrostatic fuel tank F, controller J receives the signal of temperature transducer H, and comparative example solenoid electric valve G controls.
The controlling method of above-mentioned diesel locomotive hydrostatic system, described hydrostatic pump D is from hydrostatic fuel tank F oil suction, supply hydrostatic motor B and ratio solenoid electric valve G after pressurization, according to the temperature signal that temperature transducer H transmits, the closedown of controller J control ratio solenoid electric valve G and unlatching aperture, thus control flow check enters the hydraulic fluid flow rate of hydrostatic motor B and the rotating speed of controlled cooling model fan A, the hydraulic oil that hydrostatic motor B flows out after oil-air radiator C cooling with the hydraulic oil inflow filter I in the lump of ratio solenoid electric valve G flow-off place's overflow, clean hydraulic oil after filtration flows back to hydrostatic fuel tank F.
Ratio solenoid electric valve G is have employed in this hydrostatic pressure system, controller J is by the electrical signal control ratio solenoid electric valve G of the temperature transducer H in water lines, thus the ratio of adjustment solenoid electric valve G aperture, control leakage flow, and then control flow check enters the flow of the working medium of hydrostatic motor B, realize the stepless speed regulation of cooling fan A.It can according to the water temperature of diesel engine cold water, and the running of automatic controlled cooling model fan A, stopping and rotation speed change, make the water temperature of the cooling water system of diesel engine remain in the scope of requirement.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a diesel locomotive hydrostatic system, it is characterized in that: comprise hydrostatic pump, ratio solenoid electric valve, hydrostatic motor, cooling fan, oil-air radiator, hydrostatic fuel tank and controller, described hydrostatic pump is connected with diesel engine, diesel engine water outlet mounting temperature sensor, hydrostatic pump filler opening pipeline connects hydrostatic fuel tank, oil outlet pipeline connects hydrostatic motor and ratio solenoid electric valve, hydrostatic motor drives cooling fan, hydrostatic motor oil outlet pipeline connects oil-air radiator, oil-air radiator outlet is connected hydrostatic fuel tank with ratio solenoid electric valve flow-off pipeline, controller receives the signal of temperature transducer, and comparative example solenoid electric valve controls.
2. diesel locomotive hydrostatic system according to claim 1, is characterized in that: described oil-air radiator outlet is connected filter with ratio solenoid electric valve flow-off pipeline, and filter pipeline connects hydrostatic fuel tank.
3. the controlling method of diesel locomotive hydrostatic system according to claim 2, it is characterized in that: described hydrostatic pump is from hydrostatic fuel tank oil suction, supply hydrostatic motor and ratio solenoid electric valve after pressurization, according to the temperature signal that temperature transducer transmits, the closedown of controller control ratio solenoid electric valve and unlatching aperture, thus control flow check enters the hydraulic fluid flow rate of hydrostatic motor and the rotating speed of controlled cooling model fan, the hydraulic oil that hydrostatic motor flows out after oil-air radiator cooling with the hydraulic oil inflow filter in the lump of ratio solenoid electric valve flow-off place's overflow, clean hydraulic oil after filter flows back to hydrostatic fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410730746.8A CN104500473A (en) | 2014-12-05 | 2014-12-05 | Static hydraulicsystem of internal combustion locomotive and control method of static hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410730746.8A CN104500473A (en) | 2014-12-05 | 2014-12-05 | Static hydraulicsystem of internal combustion locomotive and control method of static hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104500473A true CN104500473A (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410730746.8A Pending CN104500473A (en) | 2014-12-05 | 2014-12-05 | Static hydraulicsystem of internal combustion locomotive and control method of static hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104500473A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332784A (en) * | 2015-11-26 | 2016-02-17 | 南车戚墅堰机车有限公司 | Temperature control system with temperature control valve installed on water outlets of radiators |
| CN107489518A (en) * | 2017-09-26 | 2017-12-19 | 天津电力机车有限公司 | A kind of shunting diesel locomotive cooling fan controls method and device |
-
2014
- 2014-12-05 CN CN201410730746.8A patent/CN104500473A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332784A (en) * | 2015-11-26 | 2016-02-17 | 南车戚墅堰机车有限公司 | Temperature control system with temperature control valve installed on water outlets of radiators |
| CN107489518A (en) * | 2017-09-26 | 2017-12-19 | 天津电力机车有限公司 | A kind of shunting diesel locomotive cooling fan controls method and device |
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Application publication date: 20150408 |