CN104775953A - Multi-path energy saving fuel oil supply system - Google Patents
Multi-path energy saving fuel oil supply system Download PDFInfo
- Publication number
- CN104775953A CN104775953A CN201510169273.3A CN201510169273A CN104775953A CN 104775953 A CN104775953 A CN 104775953A CN 201510169273 A CN201510169273 A CN 201510169273A CN 104775953 A CN104775953 A CN 104775953A
- Authority
- CN
- China
- Prior art keywords
- oil
- burning
- pump
- motor
- main
- Prior art date
- 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.)
- Granted
Links
Landscapes
- Fluid-Pressure Circuits (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention relates to a multi-path energy saving fuel oil supply system, which comprises a main burning oil path system and a pre-burning oil path system, wherein the main burning oil path system and a pre-burning oil path system respectively realize independent oil supply, a control module provided by the oil supply system is respectively connected with the main burning oil path system and the pre-burning oil path system, a main burning pump and a pre-burning pump in the oil path systems are respectively quantitative oil pumps and are respectively connected with a main burning motor and a pre-burning motor, the main burning motor and the pre-burning motor are respectively provided with a frequency converter, the front end of a one-way valve in an overflow loop is provided with an electric-hydraulic proportional throttling valve, and when the fuel oil demand quantity is greater, the frequency converter is utilized for controlling the rotating speed of the main burning motor and the pre-burning motor, so that the oil pumping quantity of the main burning pump and the pre-burning pump is regulated; when the fuel oil demand quantity is smaller, the rotating speed of the motor is controlled to be a fixed value through the frequency converter, and the oil supply quantity of the oil path is regulated through regulating the electric-hydraulic proportional throttling valve. The multi-path energy saving fuel oil supply system has the advantages that the precise oil supply regulation can be carried out at small flow and great flow, the multi-path and wide-range conveying regulation of the fuel oil flow can be realized, and meanwhile, the energy can also be saved to the greatest degree.
Description
Technical field
The invention belongs to fluid conveying and regulating equipment technical field, be specifically related to a kind of multichannel energy-saving fuel supply system.
Background technique
The general adoption rate valve of existing fuel oil supply system realizes conveying and the adjustment of fuel flow, be arranged on the main road of oil circuit by Proportional valve, the adjustment of fuel flow is realized by the aperture of control ratio valve valve, this system architecture is simple, control accuracy is higher, but, the spill losses of this fuel oil supply system and restriction loss are all larger, and the ratio of energy dissipation is higher, have not complied with the requirement of modern society for energy-saving and emission-reduction in productive life.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, provide a kind of multichannel energy-saving fuel supply system, this system can both carry out accurate fuel control when small flow and large discharge, can realize the multichannel of fuel flow, wide range feed adjustment, can also save energy to greatest extent simultaneously.
Concrete technological scheme of the present invention is:
A kind of multichannel energy-saving fuel supply system, comprise with filter fuel tank and be all connected with fuel tank and independently the main fuel feed system of fuel feeding and pre-oil-fired-way system, main combustion pump is respectively arranged with and pre-burning pump carries out pump oil to main fuel feed system and pre-oil-fired-way system respectively in the rear end of fuel tank and filter, the rear end of main combustion pump and pre-burning pump is provided with secondary oil filter, main fuel feed system and pre-oil-fired-way system include filter that rear end is connected respectively with secondary oil comprise solenoid valve, the oil supply bar road of flowmeter and comprise one-way valve, electromagnetic relief valve, the skimmer circuit of hand stop valve, skimmer circuit end is connected with fuel tank, this oil supply system is provided with control module and is connected with main fuel feed system and pre-oil-fired-way system respectively, described main combustion pump and pre-burning pump are quantitative oil pump and are connected to main combustion motor and pre-burning motor, main combustion motor and pre-burning motor are connected with frequency variator respectively, in described skimmer circuit, one-way valve front end is provided with electro-hydraulic proportional throttle valve.
Described oil supply bar road is provided with pressure transducer and pressure gauge.
Described control module comprises process control machine, the input end of PLC, PLC is electrically connected with the output terminal of flowmeter and process control machine respectively, and the output terminal of PLC is electrically connected with the input end of electro-hydraulic proportional throttle valve and frequency variator respectively.
The invention has the beneficial effects as follows: the present invention uses frequency variator to regulate the rotating speed of main combustion motor and pre-burning motor to carry out high flow rate oil supply when oil circuit needs large discharge fuel oil, under main combustion motor and pre-burning motor being fixed on certain rotating speed when needing small flow, then the electro-hydraulic proportional throttle valve that can accurately control is used to carry out the adjustment of fuel feeding, adopt this fuel system can realize multichannel, the wide range feed adjustment of fuel flow, energy can also be saved to greatest extent simultaneously, comply with the theme of energy-saving and emission-reduction in current productive life.
Accompanying drawing explanation
Fig. 1 is theory structure schematic diagram of the present invention.
In accompanying drawing, 1, fuel tank, 2, filter, 3, main combustion pump, 4, pre-burning pump, 5, secondary oil filter, 6, solenoid valve, 7, flowmeter, 8, one-way valve, 9, electromagnetic relief valve, 10, hand stop valve, 11, main combustion motor, 12, pre-burning motor, 13, frequency variator, 14, electro-hydraulic proportional throttle valve, 15, pressure transducer, 16, pressure gauge, 17, process control machine, 18, PLC.
Embodiment
A kind of multichannel energy-saving fuel supply system, comprise with filter 2 fuel tank 1 and be all connected with fuel tank 1 and independently the main fuel feed system of fuel feeding and pre-oil-fired-way system, main combustion pump 3 is respectively arranged with and pre-burning pump 4 carries out pump oil to main fuel feed system and pre-oil-fired-way system respectively in the rear end of fuel tank 1 and filter 2, the rear end of main combustion pump 3 and pre-burning pump 4 is provided with secondary oil filter 5, main fuel feed system and pre-oil-fired-way system include filter that 5 rear ends are connected respectively with secondary oil comprise solenoid valve 6, the oil supply bar road of flowmeter 7 and comprise one-way valve 8, electromagnetic relief valve 9, the skimmer circuit of hand stop valve 10, skimmer circuit end is connected with fuel tank 1, this oil supply system is provided with control module and is connected with main fuel feed system and pre-oil-fired-way system respectively, described main combustion pump 3 and pre-burning pump 4 are quantitative oil pump and are connected to main combustion motor 11 and pre-burning motor 12, main combustion motor 11 and pre-burning motor 12 are connected with frequency variator 13 respectively, in described skimmer circuit, one-way valve 8 front end is provided with electro-hydraulic proportional throttle valve 14.
Specific embodiment, as shown in Figure 1, oil supply bar road is provided with pressure transducer 15 and pressure gauge 16, control module comprises process control machine 17, PLC18, the input end of PLC18 is electrically connected with the output terminal of flowmeter 7 and process control machine 17 respectively, the input end of PLC18 is responsible for gathering flow, pressure, in the analog signalses such as oil temperature and liquid level, the on-off model such as lower limit warning, the analog output end of PLC18 connects the input end of electro-hydraulic proportional throttle valve 14 and frequency variator 13 respectively simultaneously, to realize the control to the aperture of electro-hydraulic proportional throttle valve 14 and the rotating speed of respective pump, thus realize the control of oil-way system flow, the digital output end of PLC18 realizes solenoid valve 6, electromagnetic relief valve 9, the control of the switching values such as igniter, PLC18 and process control machine 17 adopt 485 buses to communicate, PLC18 is mainly used in the data acquisition and controlling of in-site modeling amount and switching value, process control machine 17 is mainly used in the realization of complicated flow control algorithm and the telecontrol of system, process control machine 17 sends information according to operating mode to PLC18, PLC18 controls in real time to the frequency variator 13 be electrically connected with it and electro-hydraulic proportional throttle valve 14 respectively, control frequency variator 13 by process control machine 17 by PLC18 during fuel feeding and start main combustion motor 11 and pre-burning motor 12, fluid is extracted out from fuel tank 1, main combustion pump 3 and pre-burning pump 4 is entered through filter 2, main combustion pump 3 and pre-burning pump 4 are quantitative oil pump, then the secondary oil arranged through main combustion pump 3 and pre-burning pump 4 rear end filters 5 to fuel feeding in oil circuit, the solenoid valve 6 connected successively, flowmeter 7 is on oil supply bar road, one-way valve 8, electro-hydraulic proportional throttle valve 14, electromagnetic relief valve 9, hand stop valve 10 is on skimmer circuit.
When oil circuit needs oil mass large, process control machine receives the electrical signal of pressure transducer 15 and flowmeter 7, and control PLC regulates frequency variator 13, thus realize the rotation speed change of main combustion motor 11 and pre-burning motor 12, realize master, the pre-fine adjustment of oil circuit when fuel delivery is larger, when oil circuit needs oil mass hour, the signal of the pressure transducer 15 be electrically connected with it is received by process control machine 17, and regulate frequency variator 13 by PLC18, the rotating speed of main combustion motor 11 and pre-burning motor 12 is fixed on lower fixed value, thus the fuel delivery making main combustion pump 3 and pre-burning pump 4 export is fixed, avoid the situation being unfavorable for controlling fuel delivery owing to driving the reduction of the motor speed of main combustion pump 3 and pre-burning pump 4 to cause the fluctuation of output oil mass, now regulated by the electro-hydraulic proportional throttle valve 14 in process control machine 17 control PLC 18 pairs of skimmer circuits again, by unnecessary for the large young pathbreaker of the oil mass as required of the fuel delivery in main fuel feed system and pre-oil-fired-way system fluid shunting oil sump tank 1, make in oil circuit, to remain fuel delivery to satisfy the demand, because main combustion pump 3 and pre-burning pump 4 export oil mass by controlling to fix, fuel-flow control is carried out by means of only electro-hydraulic proportional throttle valve 14, avoid the energy loss that a large amount of fluid is caused by electromagnetic relief valve 9 overflow, electro-hydraulic proportional throttle valve 14 precision is higher, and be connected with one-way valve 8 at end, solve when in oil circuit, pressure is excessive, when electromagnetic relief valve 9 is opened and is carried out pressure release, to the problem that electro-hydraulic proportional throttle valve 14 impacts, can realize fuel delivery demand less time to master, the fine adjustment of pre-oil circuit.
The present invention adopts process control machine to carry out analytical calculation to feedback signal, avoid the deficiency of PLC analytical calculation ability, the signal that PLC receives process control machine controls frequency variator and electro-hydraulic proportional throttle valve, make the control of oil circuit more precise and stable, avoid the inaccurate shortcoming of oil circuit fuel feeding of the more weak generation of control ability of process control machine, the present invention adopts the mode of transducer drive Constant Pump System to carry out the adjustment of pump oil to large oil mass demand, substantially improve the control characteristic of system, widen the speed adjustable range of pump, reduce the noise of system, be fixed in an energy-conservation fixed value when little oil mass demand by Frequency Converter Control oil pump, by adjustment electro-hydraulic proportional throttle valve, oil circuit is carried out to conveying and the adjustment of small flow again, avoid the vulgar poor stability of frequency variator, the oil-feeding control that low-response and the low shortcoming of control accuracy cause is inaccurate, the present invention can realize the multichannel of fuel flow, wide range conveying and adjustment, energy can also be saved to greatest extent.
Claims (3)
1. a multichannel energy-saving fuel supply system, comprise with filter (2) fuel tank (1) and be all connected with fuel tank (1) and independently the main fuel feed system of fuel feeding and pre-oil-fired-way system, main combustion pump (3) is respectively arranged with and pre-burning pump (4) carries out pump oil to main fuel feed system and pre-oil-fired-way system respectively in the rear end of fuel tank (1) and filter (2), the rear end of main combustion pump (3) and pre-burning pump (4) is provided with secondary oil filter (5), main fuel feed system and pre-oil-fired-way system include filter that (5) rear end is connected respectively with secondary oil comprise solenoid valve (6), the oil supply bar road of flowmeter (7) and comprise one-way valve (8), electromagnetic relief valve (9), the skimmer circuit of hand stop valve (10), skimmer circuit end is connected with fuel tank (1), this oil supply system is provided with control module and is connected with main fuel feed system and pre-oil-fired-way system respectively, it is characterized in that: described main combustion pump (3) and pre-burning pump (4) are quantitative oil pump and are connected to main combustion motor (11) and pre-burning motor (12), main combustion motor (11) and pre-burning motor (12) are connected with frequency variator (13) respectively, in described skimmer circuit, one-way valve (8) front end is provided with electro-hydraulic proportional throttle valve (14).
2. a kind of multichannel energy-saving fuel supply system according to claim 1, is characterized in that: described oil supply bar road is provided with pressure transducer (15) and pressure gauge (16).
3. a kind of multichannel energy-saving fuel supply system according to claim 1, it is characterized in that: described control module comprises process control machine (17), PLC (18), the input end of PLC (18) is electrically connected with the output terminal of flowmeter (7) and process control machine (17) respectively, and the output terminal of PLC (18) is electrically connected with the input end of electro-hydraulic proportional throttle valve (14) and frequency variator (13) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510169273.3A CN104775953B (en) | 2015-04-10 | 2015-04-10 | A kind of multichannel energy-saving fuel feed system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510169273.3A CN104775953B (en) | 2015-04-10 | 2015-04-10 | A kind of multichannel energy-saving fuel feed system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104775953A true CN104775953A (en) | 2015-07-15 |
| CN104775953B CN104775953B (en) | 2017-03-08 |
Family
ID=53617650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510169273.3A Active CN104775953B (en) | 2015-04-10 | 2015-04-10 | A kind of multichannel energy-saving fuel feed system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104775953B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426710A (en) * | 2018-05-22 | 2018-08-21 | 广州飞机维修工程有限公司 | Civil aircraft accessory power system Fuel Flow Regulator test device and method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2290768Y (en) * | 1996-09-20 | 1998-09-09 | 朱焱威 | Fuel regulation and control device of industrial furnace |
| CN1332397A (en) * | 2001-08-22 | 2002-01-23 | 宁波华液机器制造有限公司 | Composite speed regulating system and method with frequency conversion and electrohydraulic proportion technology |
| US20070272215A1 (en) * | 2007-03-09 | 2007-11-29 | Mazrek Ltd. | Fuel Injection Sytem for Internal Combustion Engines |
| CN101201069A (en) * | 2007-12-18 | 2008-06-18 | 浙江大学 | Variable frequency pump-control-motor closed circuit based on energy regulation |
| CN201979674U (en) * | 2011-01-06 | 2011-09-21 | 肖松华 | Energy-saving oil supply system of injection molding machine |
| CN203281784U (en) * | 2013-05-22 | 2013-11-13 | 天津市天锻压力机有限公司 | Flow control system of forging hydraulic press |
| CN203641177U (en) * | 2013-11-17 | 2014-06-11 | 陕西子竹电子有限公司 | Hydraulic system for test on hydraulic torque converter |
| CN104316326A (en) * | 2014-08-22 | 2015-01-28 | 中国北方发动机研究所(天津) | Fuel-oil auxiliary system of diesel engine laboratory |
| CN104390788A (en) * | 2014-11-19 | 2015-03-04 | 中国南方航空工业(集团)有限公司 | Oil supply oil way used for engine test bed and method for controlling oil supply oil way |
| CN204553025U (en) * | 2015-04-10 | 2015-08-12 | 河北工程大学 | A kind of multichannel energy-saving fuel supply system |
-
2015
- 2015-04-10 CN CN201510169273.3A patent/CN104775953B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2290768Y (en) * | 1996-09-20 | 1998-09-09 | 朱焱威 | Fuel regulation and control device of industrial furnace |
| CN1332397A (en) * | 2001-08-22 | 2002-01-23 | 宁波华液机器制造有限公司 | Composite speed regulating system and method with frequency conversion and electrohydraulic proportion technology |
| US20070272215A1 (en) * | 2007-03-09 | 2007-11-29 | Mazrek Ltd. | Fuel Injection Sytem for Internal Combustion Engines |
| CN101201069A (en) * | 2007-12-18 | 2008-06-18 | 浙江大学 | Variable frequency pump-control-motor closed circuit based on energy regulation |
| CN201979674U (en) * | 2011-01-06 | 2011-09-21 | 肖松华 | Energy-saving oil supply system of injection molding machine |
| CN203281784U (en) * | 2013-05-22 | 2013-11-13 | 天津市天锻压力机有限公司 | Flow control system of forging hydraulic press |
| CN203641177U (en) * | 2013-11-17 | 2014-06-11 | 陕西子竹电子有限公司 | Hydraulic system for test on hydraulic torque converter |
| CN104316326A (en) * | 2014-08-22 | 2015-01-28 | 中国北方发动机研究所(天津) | Fuel-oil auxiliary system of diesel engine laboratory |
| CN104390788A (en) * | 2014-11-19 | 2015-03-04 | 中国南方航空工业(集团)有限公司 | Oil supply oil way used for engine test bed and method for controlling oil supply oil way |
| CN204553025U (en) * | 2015-04-10 | 2015-08-12 | 河北工程大学 | A kind of multichannel energy-saving fuel supply system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426710A (en) * | 2018-05-22 | 2018-08-21 | 广州飞机维修工程有限公司 | Civil aircraft accessory power system Fuel Flow Regulator test device and method |
| CN108426710B (en) * | 2018-05-22 | 2024-04-30 | 广州飞机维修工程有限公司 | Testing device and method for fuel flow regulator of auxiliary power system of civil aircraft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104775953B (en) | 2017-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204553025U (en) | A kind of multichannel energy-saving fuel supply system | |
| WO2004092568A3 (en) | Constant bypass flow controller for a variable displacement pump | |
| CN203547527U (en) | Rotary drilling rig-controlled rotation hydraulic loop system | |
| CN104775953A (en) | Multi-path energy saving fuel oil supply system | |
| CN202646195U (en) | Hydraulic pressurization system | |
| CN100410542C (en) | Dual control automatic water injection method for pump control and pump pressure flow | |
| CN109519285A (en) | A kind of aero-engine fuel flow control system and aero-engine | |
| CN106321317A (en) | Method for determining operating parameters of a fuel pump | |
| CN205136174U (en) | Energy -saving constant pressure oil source system | |
| CN203730188U (en) | Fuel supply device of engine | |
| CN110185670A (en) | Construction machinery hydraulic system flow allocation method | |
| CN101880020B (en) | Variable-frequency oil oiling machine hydraulic system and working method thereof | |
| CN211288057U (en) | Excavator pump power debugging device | |
| CN204418177U (en) | Be provided with the pile hammer of electric control fuel system | |
| CN1737377A (en) | Automatic water injection method using pump-control-pump to adjust pressure and flow | |
| CN203476868U (en) | Novel control oil passage structure for hydraulic pump | |
| CN105156379A (en) | Energy-saving constant-pressure oil source system and control method thereof | |
| CN210715319U (en) | Closed hydraulic system for energy accumulator speed regulation | |
| CN209163892U (en) | A kind of control pressurer system based on fixed displacement lubricating oil pump | |
| CN203708161U (en) | Load-sensitive control system of high-precision hydraulic generator | |
| CN208106620U (en) | A kind of adjustable capacity injection pump | |
| CN206917778U (en) | High-pressure oil pump oil circuit, high-pressure oil pump and engine | |
| CN207437487U (en) | Load sensing multi-way valve and with its engineering machinery | |
| CN202561203U (en) | Fine bubble pipeline system | |
| CN110821905A (en) | Energy-saving hydraulic vibrating rod speed regulation hydraulic circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |