CN204553025U - A kind of multichannel energy-saving fuel supply system - Google Patents
A kind of multichannel energy-saving fuel supply system Download PDFInfo
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- CN204553025U CN204553025U CN201520215336.XU CN201520215336U CN204553025U CN 204553025 U CN204553025 U CN 204553025U CN 201520215336 U CN201520215336 U CN 201520215336U CN 204553025 U CN204553025 U CN 204553025U
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- main combustion
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Abstract
A kind of multichannel energy-saving fuel supply system, comprise the main fuel feed system of independently fuel feeding and pre-oil-fired-way system, this oil supply system is provided with control module and is connected with main fuel feed system and pre-oil-fired-way system respectively, main combustion pump in oil-way system 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 provided with frequency variator, in skimmer circuit, one-way valve front end is provided with electro-hydraulic proportional throttle valve, when fuel demand amount is larger, utilize the rotating speed of the main combustion motor of Frequency Converter Control and pre-burning motor, thus regulate the pump oil mass of main combustion pump and pre-burning pump, when fuel demand amount is less, by frequency variator, the rotating speed of motor is controlled in fixed value, regulated by the fuel delivery regulating electro-hydraulic proportional throttle valve to carry out oil circuit, this system can both carry out accurate fuel control when small flow and large discharge, the multichannel of fuel flow can be realized, wide range feed adjustment, energy can also be saved to greatest extent simultaneously.
Description
Technical field
The utility model belongs to fluid conveying and regulating equipment technical field, is 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.
Model utility content
The utility model 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, the multichannel of fuel flow, wide range feed adjustment can be realized, energy can also be saved to greatest extent simultaneously.
Concrete technological scheme of the present utility model 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 beneficial effects of the utility model are: the utility model 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 utility model.
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 utility model 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 utility model adopts the mode of transducer drive Constant Pump System large oil mass demand to be carried out to the adjustment of pump oil, 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 utility model 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 |
|---|---|---|---|
| CN201520215336.XU CN204553025U (en) | 2015-04-10 | 2015-04-10 | A kind of multichannel energy-saving fuel supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520215336.XU CN204553025U (en) | 2015-04-10 | 2015-04-10 | A kind of multichannel energy-saving fuel supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204553025U true CN204553025U (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520215336.XU Withdrawn - After Issue CN204553025U (en) | 2015-04-10 | 2015-04-10 | A kind of multichannel energy-saving fuel supply system |
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| CN (1) | CN204553025U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775953A (en) * | 2015-04-10 | 2015-07-15 | 河北工程大学 | Multi-path energy saving fuel oil supply system |
| CN110360034A (en) * | 2019-08-05 | 2019-10-22 | 深圳西通自动化设备有限公司 | Diesel engine constant oil supply pressure system |
-
2015
- 2015-04-10 CN CN201520215336.XU patent/CN204553025U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775953A (en) * | 2015-04-10 | 2015-07-15 | 河北工程大学 | Multi-path energy saving fuel oil supply system |
| CN110360034A (en) * | 2019-08-05 | 2019-10-22 | 深圳西通自动化设备有限公司 | Diesel engine constant oil supply pressure system |
| CN110360034B (en) * | 2019-08-05 | 2024-02-27 | 深圳西通流体技术有限公司 | Constant-pressure oil supply system of diesel engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150812 Effective date of abandoning: 20170308 |
|
| AV01 | Patent right actively abandoned |