CN103939556B - The permanent oil pressure automatic control system of fluid coupling oil feed pump energy-saving and frequency-variable - Google Patents
The permanent oil pressure automatic control system of fluid coupling oil feed pump energy-saving and frequency-variable Download PDFInfo
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- CN103939556B CN103939556B CN201410045687.0A CN201410045687A CN103939556B CN 103939556 B CN103939556 B CN 103939556B CN 201410045687 A CN201410045687 A CN 201410045687A CN 103939556 B CN103939556 B CN 103939556B
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- pump
- oil
- frequency
- lubricating
- motor speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H41/00—Rotary fluid gearing of the hydrokinetic type
- F16H41/24—Details
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The permanent oil pressure automatic control system of a kind of fluid coupling oil feed pump energy-saving and frequency-variable, belongs to fluid coupling technical field.The object of the invention is by being connected in parallel to a set of frequency control of motor speed gear oil pump respectively at lubricating pump and work oil pump, running lubricating pump, the highly energy-consuming problem of work oil pump and the permanent oil pressure automatic control system of fluid coupling oil feed pump energy-saving and frequency-variable of the automatic control problem of permanent oil pressure oil mass to solve external constant speed.The present invention sets up and the frequency control of motor speed lubricating pump, the frequency control of motor speed work oil pump that input shaft-driven lubricating pump, parallel running distinguished by the oil pump that works in fluid coupling outside.The present invention is under fluid coupling converting operation operating mode, achieve the frequency control of motor speed operation that input shaft drives lubricating pump, work oil pump, be configured with the external frequency control of motor speed lubricating pump, the frequency control of motor speed work oil pump that drive lubricating pump, the oil pump that works in parallel respectively with input shaft, and the permanent oil pressure frequency conversion automatic control system be made up of pressure transmitter and frequency variator.Solve highly energy-consuming and the automatic control problem of permanent oil pressure oil mass.
Description
Technical field
The invention belongs to fluid coupling technical field.
Background technique
The agent structure of domestic and international fluid coupling is coupler casing, speed increasing gear train (gearwheel pinion mate), lubricating pump and work oil pump, electronic auxiliary lubrication pump, pump opinion, turbine, scoop tube, speed regulating mechanism, working oil system, lubricating oil system, fuel tank, working oil oil cooler, the compositions such as lubricant oil oil cooler.
Domestic and international fluid coupling input shaft and input shaft pass through the lubricating pump of gear drive or Direct driver and work oil pump, are all that constant speed is run.After carrying out the transformation of " work frequency conversion switch type fluid coupling " patented technology to fluid coupling, fluid coupling input shaft is provided with frequency control of motor speed function.Under converting operation operating mode, will be changed with input shaft rotation speed change by the shaft-driven lubricating pump of input, work oil pump.For keeping lubricant oil and working oil system oil pressure oil mass to stablize, the releasing fluid coupling input shaft that adopts drives lubricating pump, working oil oil pump feed mode more.The lubricating pump run with working oil system layout constant speed at fluid coupling external lubrication oil and working oil oil pump feed mode; The employing had is not removed fluid coupling input shaft and is driven lubricating pump, working oil pump mode yet.Fluid coupling external lubrication oil and working oil system layout constant speed runs lubricating pump and work oil pump respectively with the fuel system inputting shaft-driven lubricating pump and working oil parallel connection of pumps.Run lubricating pump in constant speed, be connected in series relief valve and return line between working oil pump discharge and system, by relief valve keeping system oil pressure, adjusting oil mass, unnecessary oil mass flows back to fuel tank by relief valve and return line thereof.Its shortcoming is lubricating pump, work oil pump constant speed is run, and unnecessary oil mass returns fuel tank through relief valve and return line thereof, forms recirculation, adds energy consumption, and relief valve poor linearity, degree of regulation is poor, is worthless.
Summary of the invention
The object of the invention is by being connected in parallel to a set of frequency control of motor speed gear oil pump respectively at lubricating pump and work oil pump, running lubricating pump, the highly energy-consuming problem of work oil pump and the permanent oil pressure automatic control system of fluid coupling oil feed pump energy-saving and frequency-variable of the automatic control problem of permanent oil pressure oil mass to solve external constant speed.
The present invention sets up and the frequency control of motor speed lubricating pump, the frequency control of motor speed work oil pump that input shaft-driven lubricating pump, parallel running distinguished by the oil pump that works in fluid coupling outside.
The present invention sets up lubricating pump oil inlet pipe, lubricating pump inlet stop valve, frequency control of motor speed lubricating pump, lubricating pump Outlet check valves, lubricating pump outlet shutoff valve, lubricating pump fuel supply line at fuel tank to inputting parallel connection between the outlet of shaft-driven lubricating pump.
The present invention sets up work pump inlet pipe, working oil pump intake stop valve, frequency control of motor speed work oil pump, working oil pump discharge one-way valve, working oil pump discharge shutoff valve, working oil oil pump feed pipe at fuel tank to inputting parallel connection between shaft-driven working oil pump discharge.
The present invention sets up pressure transmitter in lubricating oil system and working oil system, forms lubricant oil and the permanent oil pressure automatic control system of working oil by pressure transmitter and frequency variator.
The present invention is under fluid coupling converting operation operating mode, achieve the frequency control of motor speed operation that input shaft drives lubricating pump, work oil pump, be configured with the external frequency control of motor speed lubricating pump, the frequency control of motor speed work oil pump that drive lubricating pump, the oil pump that works in parallel respectively with input shaft, and the permanent oil pressure frequency conversion automatic control system be made up of pressure transmitter and frequency variator.Solve highly energy-consuming and the automatic control problem of permanent oil pressure oil mass.
Accompanying drawing explanation
Fig. 1 fluid coupling energy-saving and frequency-variable of the present invention oil supply system figure;
In figure: 1 pump impeller, 2 turbines, 3 scoop tubes, 4 high-voltage poweies, 5 circuit breakers, 6 high voltage converters, 7 motor, 8 lubricating pumps, 9 work oil pumps, 10 working oil oil coolers, 11 lubricant oil oil coolers, lubricating pump power supply 121, working oil pumping source 122, lubricating oil pump motor frequency variator 131, working oil pump motor frequency variator 132, lubricating oil pump motor 141, working oil pump motor 142, frequency control of motor speed lubricating pump 151, frequency control of motor speed work oil pump 152, lubricating pump Outlet check valves 161, working oil pump discharge one-way valve 162, lubricating pump inlet stop valve 1712, lubricating pump outlet shutoff valve 1711, working oil pump intake stop valve 1722, working oil pump discharge shutoff valve 1721, 18 fuel tanks, 19 fluid coupling input shafts, 20 speed increasing gear trains, 22 by the shaft-driven gear of input, 23 gears, 24 fluid coupling output shafts, 25 go lubricating oil system, 26 pressure transmitters.
Embodiment
The present invention sets up and the frequency control of motor speed lubricating pump 151, the frequency control of motor speed work oil pump 152 that input shaft-driven lubricating pump 8, parallel running distinguished by the oil pump 9 that works in fluid coupling outside.
Lubricating pump oil inlet pipe, lubricating pump inlet stop valve 1712, frequency control of motor speed lubricating pump 151, lubricating pump Outlet check valves 161, lubricating pump outlet shutoff valve 1711, lubricating pump fuel supply line are set up in the present invention's parallel connection between fuel tank 18 to the shaft-driven lubricating pump 8 of input exports.
Frequency control of motor speed lubricating pump 151 connects lubricating oil pump motor 141, is provided with lubricating pump frequency variator 131 between lubricating oil pump motor 141 and lubricating pump power supply 121.
Work pump inlet pipe, working oil pump intake stop valve 1722, frequency control of motor speed work oil pump 152, working oil pump discharge one-way valve 162, working oil pump discharge shutoff valve 1721, working oil oil pump feed pipe are set up in the present invention's parallel connection between fuel tank 18 to the shaft-driven work oil pump 9 of input exports.
Frequency control of motor speed work oil pump 152 connects working oil pump motor 142, is provided with working oil pump frequency conversion device 132 between working oil pump motor 142 and working oil pumping source 122.
The present invention sets up pressure transmitter 26 in lubricating oil system and working oil system, forms lubricant oil and the permanent oil pressure automatic control system of working oil by pressure transmitter 26 and frequency variator.
Wherein frequency variator refers to lubricating pump frequency variator 131 and working oil pump frequency conversion device 132.
Core technology of the present invention is under fluid coupling frequency control of motor speed operating conditions, under input shaft drives the frequency control of motor speed operating conditions of lubricating pump, work oil pump, the permanent oil pressure oil mass frequency conversion automatic control system driving lubricating pump, the external lubricating pump of working oil parallel connection of pumps, the frequency control of motor speed of the oil pump that works and the pressure transmitter newly established by lubricating oil system, working oil system thereof and frequency variator to form with input shaft newly established.
The specific embodiments of the permanent oil pressure automatic control system of fluid coupling oil feed pump energy-saving and frequency-variable of the present invention is:
A sets up and the frequency control of motor speed lubricating pump inputting shaft-driven lubricating pump, working oil parallel connection of pumps runs, frequency control of motor speed work oil pump in fluid coupling outside, its Placement is to inputting between the outlet of shaft-driven lubricating pump, between working oil pump discharge, setting up the energy-saving and frequency-variable oil supply system be made up of oil inlet pipe, stop valve, frequency control of motor speed gear pump, one-way valve, stop valve, fuel supply line respectively at fuel tank.
B sets up pressure transmitter in lubricating oil system and working oil system, forms lubricant oil and the permanent oil pressure automatic control system of working oil by pressure transmitter and frequency variator.
The core technology of the permanent oil pressure automatic control system of fluid coupling oil feed pump energy-saving and frequency-variable of the present invention be run in original speed the shaft-driven lubricating pump of input, work oil pump frequency control of motor speed operating conditions under, newly establish with the permanent oil pressure frequency conversion automatic control system that input shaft drives lubricating pump, the external frequency control of motor speed lubricating pump of working oil parallel connection of pumps, the frequency control of motor speed of frequency control of motor speed work oil pump runs and consists of pressure transmitter and frequency variator.
Under the fluid coupling frequency control of motor speed method of operation of the present invention, for keeping lubricant oil, technological scheme that working oil system oil pressure oil mass is certain drives between lubricating pump outlet, between working oil pump discharge at fuel tank to input shaft, set up by oil inlet pipe, stop valve, frequency control of motor speed gear pump, one-way valve, stop valve, fuel supply line respectively, and lubricating oil system and working oil system pressure transmitter form drive lubricating pump with input shaft, work oil pump, external frequency control of motor speed lubricating pump in parallel, frequency control of motor speed work oil pump and permanent oil pressure frequency conversion automatic control system thereof.See accompanying drawing 1.
Below in conjunction with accompanying drawing, the present invention is described further:
The present invention is under fluid coupling frequency control of motor speed operating mode operating conditions, by the frequency control of motor speed of input shaft 19, realize the frequency control of motor speed of the shaft-driven gear 22 of input, realize the frequency control of motor speed of gear 23, realize under input shaft drives the condition of the frequency control of motor speed of lubricating pump 8, work oil pump 9, newly establish drive lubricating pump 8 with input shaft, frequency control of motor speed work oil pump that the frequency control of motor speed lubricating pump be made up of frequency variator, motor, frequency control of motor speed oil pump that the oil pump 9 that works is in parallel, inverter motor, frequency control of motor speed oil pump form.
The permanent oil pressure frequency conversion automatic control system of fluid coupling of the present invention is under the fluid coupling frequency control of motor speed method of operation, the lubricating pump 8 that fluid coupling input shaft 19 drives and work oil pump 9 converting operation simultaneously, lubricating pump under converting operation condition, work oil pump oil mass will change with input shaft rotation speed change, under keeping converting operation condition, lubricating oil system, the technological scheme that working oil system oil pressure oil mass is certain is between fuel tank 18 to lubricating pump 8 exports, between work oil pump 9 exports, set up respectively by oil inlet pipe, stop valve, frequency variator, motor, frequency control of motor speed oil pump, one-way valve, stop valve, fuel supply line, and lubricating oil system and working oil system pressure transmitter 26 form with lubricating pump 8, the frequency control of motor speed lubricating pump of work oil pump 9 parallel connection, frequency control of motor speed work oil pump and permanent oil pressure frequency conversion automatic control system thereof.
applicable scope
The present invention is applicable to the energy-conservation upgrading of electrically driven feedpump that thermal power plant is driven by fluid coupling; Also newly-built Turbo-generator Set electrically driven feedpump energy conservation is applicable to supporting.
Claims (3)
1. the permanent oil pressure automatic control system of fluid coupling oil feed pump energy-saving and frequency-variable, sets up and the frequency control of motor speed lubricating pump, the frequency control of motor speed work oil pump that input shaft-driven lubricating pump, parallel running distinguished by the oil pump that works in fluid coupling outside; It is characterized in that: set up lubricating pump oil inlet pipe, lubricating pump inlet stop valve, frequency control of motor speed lubricating pump, lubricating pump Outlet check valves, lubricating pump outlet shutoff valve, lubricating pump fuel supply line at fuel tank to inputting parallel connection between the outlet of shaft-driven lubricating pump.
2. the permanent oil pressure automatic control system of fluid coupling oil feed pump energy-saving and frequency-variable according to claim 1, is characterized in that: set up work pump inlet pipe, working oil pump intake stop valve, frequency control of motor speed work oil pump, working oil pump discharge one-way valve, working oil pump discharge shutoff valve, working oil oil pump feed pipe at fuel tank to inputting parallel connection between shaft-driven working oil pump discharge.
3. the permanent oil pressure automatic control system of fluid coupling oil feed pump energy-saving and frequency-variable according to claim 1 and 2, it is characterized in that: set up pressure transmitter in lubricating oil system and working oil system, form lubricant oil and the permanent oil pressure automatic control system of working oil by pressure transmitter and frequency variator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410045687.0A CN103939556B (en) | 2014-02-09 | 2014-02-09 | The permanent oil pressure automatic control system of fluid coupling oil feed pump energy-saving and frequency-variable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410045687.0A CN103939556B (en) | 2014-02-09 | 2014-02-09 | The permanent oil pressure automatic control system of fluid coupling oil feed pump energy-saving and frequency-variable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103939556A CN103939556A (en) | 2014-07-23 |
| CN103939556B true CN103939556B (en) | 2016-04-20 |
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| CN201410045687.0A Expired - Fee Related CN103939556B (en) | 2014-02-09 | 2014-02-09 | The permanent oil pressure automatic control system of fluid coupling oil feed pump energy-saving and frequency-variable |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202065438U (en) * | 2011-05-27 | 2011-12-07 | 张环宇 | Multifunctional hydraulic coupling |
| CN102865232A (en) * | 2012-09-29 | 2013-01-09 | 张文海 | Energy saving system of electrically driven feed pump of power frequency-variable frequency switching type liquid coupling |
| CN103388676A (en) * | 2013-07-29 | 2013-11-13 | 北京中唐电工程咨询有限公司 | Efficient coupling variable-frequency speed regulating system and speed regulating method |
| CN203822995U (en) * | 2014-02-09 | 2014-09-10 | 张文海 | Fluid coupling fuel feed pump frequency energy-saving constant pressure automatic control system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003166619A (en) * | 2001-11-30 | 2003-06-13 | Honda Motor Co Ltd | Internal combustion engine with torque converter |
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2014
- 2014-02-09 CN CN201410045687.0A patent/CN103939556B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202065438U (en) * | 2011-05-27 | 2011-12-07 | 张环宇 | Multifunctional hydraulic coupling |
| CN102865232A (en) * | 2012-09-29 | 2013-01-09 | 张文海 | Energy saving system of electrically driven feed pump of power frequency-variable frequency switching type liquid coupling |
| CN103388676A (en) * | 2013-07-29 | 2013-11-13 | 北京中唐电工程咨询有限公司 | Efficient coupling variable-frequency speed regulating system and speed regulating method |
| CN203822995U (en) * | 2014-02-09 | 2014-09-10 | 张文海 | Fluid coupling fuel feed pump frequency energy-saving constant pressure automatic control system |
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| CN103939556A (en) | 2014-07-23 |
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Granted publication date: 20160420 Termination date: 20190209 |