CN106762184A - A kind of apparatus for controlling pump for master backup conversion - Google Patents
A kind of apparatus for controlling pump for master backup conversion Download PDFInfo
- Publication number
- CN106762184A CN106762184A CN201510823965.5A CN201510823965A CN106762184A CN 106762184 A CN106762184 A CN 106762184A CN 201510823965 A CN201510823965 A CN 201510823965A CN 106762184 A CN106762184 A CN 106762184A
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- China
- Prior art keywords
- pump
- oil
- valve
- check valve
- fuel
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/3082—Control of electrical fuel pumps
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The present invention is a kind of for pump backup control device, belongs to structure-design technique field.A kind of apparatus for controlling pump for master backup conversion, master backup conversion uses different conversion regimes.What the failure for occurring pump conversion electromagnetic valve abnormal opening in hardware-in-the-loop simulation test the present invention be directed to RT-93 main fuel mechanical hydraulic units put forward, the pump backup module is made up of two check valves (the first check valve and the second check valve), pump backup magnetic valve and fuel feeding selector valve.In main fuel pump and servo fuel pump normal work, high pressure fuel is supplied to main fuel system after main fuel pump, and servo fuel pump is supplied to the oil circuit of servo-drive system.The present invention includes the first check valve, the second check valve, fuel feeding selector valve, pump backup magnetic valve and oil circuit.
Description
Technical field
The present invention is a kind of for pump backup control device, belongs to structure-design technique field.A kind of pump for master backup conversion
Control device, master backup conversion uses different conversion regimes.
Background technology
Conventional master backup conversion is simple to be realized by conversion electromagnetic valve, and its magnetic valve performance quality directly determines backup conversion work(
The reliability of energy, but for the magnetic valve that hydraulic oil drives, its reliability is relatively low.
The content of the invention
The purpose of invention
It is by one that pump conversion functional module on RT-93 main fuel mechanical hydraulic units, main fuel pump and servopump are mutually changed
What magnetic valve was realized.Because the conversion electromagnetic valve is that hydraulic oil drives, in transfer process, it may appear that conversion electromagnetic valve is beaten extremely
The failure opened, to solve this problem, it is to avoid translation function by magnetic valve realization, puts forward the patent content merely.
Occur pump conversion electromagnetic valve in hardware-in-the-loop simulation test the present invention be directed to RT-93 main fuel mechanical hydraulic units to beat extremely
What the failure opened put forward, the pump backup module is by two check valves (the first check valve 1 and the second check valve 2), pump
Backup magnetic valve and fuel feeding selector valve are constituted.In main fuel pump and servo fuel pump normal work, compression ignition high after main fuel pump
Oil is supplied to main fuel system, and servo fuel pump is supplied to the oil circuit of servo-drive system.
A kind of apparatus for controlling pump for master backup conversion is provided, the apparatus for controlling pump is used for including first check valve one kind
The apparatus for controlling pump of master backup conversion, the apparatus for controlling pump includes that the first check valve 1, the selection of the second check valve 2, fuel feeding are lived
Door 3, pump backup magnetic valve 4 and oil circuit；
First check valve 1 is provided with into oily control mouth 1-1, oil-out 1-2 and oiler 1-3；
Second check valve 2 is provided with into oily control mouth 2-1 and oil-out 2-2；
Fuel feeding selector valve 3 is provided with oiler 3-1, the first oil-out 3-2, the second oil-out 3-3 and enters oily control mouth 3-4；
Pump backup magnetic valve 4 is provided with into oily control mouth 4-1 and oil-out 4-2；
Main fuel pump by oil circuit and the first check valve 1 enter oily control mouth 1-1 and the second check valve 2 enter oily control mouth
2-1 is connected；
Servo fuel pump is connected by oil circuit with the oiler 3-1 of fuel feeding selector valve 3 and the oil-out 2-2 of the second check valve 2；
Second oil-out 3-3 of fuel feeding selector valve 3 is connected by oil circuit with the oiler 1-3 of the first check valve 1；
First oil-out 3-2 of fuel feeding selector valve 3 is connected by oil circuit with the oily control mouth 4-1 that enters of pump backup magnetic valve 4；
The oil-out 4-2 of pump backup magnetic valve 4 is connected by oil circuit with the oily control mouth 3-4 that enters of fuel feeding selector valve 3；
The oil-out 1-2 of the first check valve 1 leads to main fuel system.When servo fuel pump failure, the second check valve 2
Open, from main fuel pump after hydraulic oil by the second check valve 2 to servo-drive system fuel feeding, realize that main fuel pump gives servo fuel oil
The function of pump backup.When main fuel pump failure, main fuel pump carrys out oil pressure to be reduced rapidly, the choosing of pump backup solenoid valve control fuel feeding
Valve opening is selected, hydraulic oil is supplied to main fuel system by fuel feeding selector valve after servo fuel pump, realize servo fuel pump to master
The function of fuel pump backup.
The effect of invention
Conventional master backup conversion is simple to be realized by conversion electromagnetic valve, and its magnetic valve performance quality directly determines backup translation function
Reliability, the patent broken routine backup conversion regime, entered by individual event valve when main fuel pump turns servo fuel pump
Row conversion, when servo fuel pump turns main fuel pump using the control of high pressure conversion electromagnetic valve, improve that master backup mutually changes can
By property.
The structural principle of pump modular converter is shown in Fig. 1, in main fuel pump and servo fuel pump normal work, compression ignition high after main fuel pump
Oil is supplied to main fuel system, and servo fuel pump is supplied to the oil circuit of servo-drive system.
When servo fuel pump failure, from main fuel pump after hydraulic oil by check valve to servo-drive system fuel feeding, work as main fuel pump
During failure, pump backup magnetic valve receives electronic controller signal, starts working, and control fuel feeding selector valve is opened, servo fuel oil
Hydraulic oil is supplied to main fuel system by fuel feeding selector valve after pump.
Brief description of the drawings
Fig. 1 is systematic schematic diagram of the invention；
Wherein：The check valves of 1- first, the check valves of 2- second, 3- fuel feeding selector valve, 4- pump backups magnetic valve, 3-1- enter oil
Mouth, the oil-outs of 3-2- first, the oil-outs of 3-3- second, 3-4- enter oily control mouth, 4-1- and enter oily control mouth, 4-2- oil-outs.
Specific embodiment
A kind of apparatus for controlling pump for master backup conversion is provided, the apparatus for controlling pump includes that the first check valve 1, second is unidirectional living
Door 2, fuel feeding selector valve 3, pump backup magnetic valve 4 and oil circuit.
First check valve 1 is provided with into oily control mouth 1-1, oil-out 1-2 and oiler 1-3；
Second check valve 2 is provided with into oily control mouth 2-1 and oil-out 2-2；
Fuel feeding selector valve 3 is provided with oiler 3-1, the first oil-out 3-2, the second oil-out 3-3 and enters oily control mouth 3-4；
Pump backup magnetic valve 4 is provided with into oily control mouth 4-1 and oil-out 4-2；
Main fuel pump by oil circuit and the first check valve 1 enter oily control mouth 1-1 and the second check valve 2 enter oily control mouth
2-1 is connected；
Servo fuel pump is connected by oil circuit with the oiler 3-1 of fuel feeding selector valve 3 and the oil-out 2-2 of the second check valve 2；
Second oil-out 3-3 of fuel feeding selector valve 3 is connected by oil circuit with the oiler 1-3 of the first check valve 1；
First oil-out 3-2 of fuel feeding selector valve 3 is connected by oil circuit with the oily control mouth 4-1 that enters of pump backup magnetic valve 4；
The oil-out 4-2 of pump backup magnetic valve 4 is connected by oil circuit with the oily control mouth 3-4 that enters of fuel feeding selector valve 3；
The oil-out 1-2 of the first check valve 1 leads to main fuel system.
Operation principle
In main fuel pump and servo fuel pump normal work, the oily control mouth 1-1 and oil-out 1-2 that enters of the first check valve 1 connects
Logical, high pressure fuel is supplied to main fuel system by the first check valve 1 after main fuel pump；Begin because servo fuel pump carrys out oil pressure
Carry out oil pressure higher than main fuel pump eventually, the oily control mouth 2-1 that enters of the second check valve 2 is closed, i.e., second is unidirectional living
Oiler 2-1 and the oil-out 2-2 of door disconnect, and close main fuel pump and are supplied to servo fuel pump by the second check valve 2 and watch
The oil circuit of dress system.Now pump backup magnetic valve 4 is in off-position, and fuel feeding selector valve 3 is closed, i.e. fuel feeding selector valve
3 oiler 1-3 and the first oil-out disconnect, and have cut off servo fuel pump oily to be supplied to main fuel system by fuel feeding selector valve
Oil circuit.
When servo fuel pump failure, servo fuel pump carrys out oil pressure to be reduced rapidly, when servo fuel pump come oil pressure be reduced to it is low
When main fuel pump carrys out oil pressure, the second check valve 2 is opened, i.e. the oiler 2-1 and oil-out 2-2 of the second check valve 2
Connect, the hydraulic oil come from main fuel pump passes through the second check valve 2 to servo-drive system fuel feeding, realize that main fuel pump fires to servo
The function of oil pump backup.
When main fuel pump failure, main fuel pump carrys out oil pressure to be reduced rapidly, and electronic controller detects main fuel pump fault-signal,
Send electric instruction to pump backup magnetic valve 4, pump backup magnetic valve 4 is started working, make pump backup magnetic valve oiler 4-1 and
Oil-out 4-2 is connected, and the oily control mouth 3-4 that enters of fuel feeding selector valve 3 promotes valve action, control fuel feeding selector valve 3 dozens
Open, connect the first oiler 3-1 and the second oil-out 3-3 of fuel feeding selector valve 3, the hydraulic oil that servo fuel pump comes is by supplying
Oily selector valve is supplied to main fuel system, realizes the function that servo fuel pump is backed up to main fuel pump.
Claims (1)
1. it is a kind of for master backup conversion apparatus for controlling pump, the apparatus for controlling pump include the first check valve
(1), the second check valve (2), fuel feeding selector valve (3), pump backup magnetic valve (4) and oil circuit；
First check valve (1) is provided with into oily control mouth (1-1), oil-out (1-2) and oiler (1-3)；
Second check valve (2) is provided with into oily control mouth 2-1 and oil-out (2-2)；
Fuel feeding selector valve (3) is provided with oiler (3-1), the first oil-out (3-2), the second oil-out (3-3)
And enter oily control mouth (3-4)；
Pump backup magnetic valve (4) is provided with into oily control mouth (4-1) and oil-out 4-2；
Main fuel pump is unidirectionally lived by the oily control mouth (1-1) and second that enters of oil circuit and the first check valve (1)
The oily control mouth 2-1 that enters of door (2) is connected；
Servo fuel pump is by oil circuit and the oiler (3-1) and the second check valve of fuel feeding selector valve (3)
(2) oil-out (2-2) connection；
Second oil-out (3-3) of fuel feeding selector valve (3) is by oil circuit and the first check valve (1)
Oiler (1-3) is connected；
First oil-out (3-2) of fuel feeding selector valve (3) is by oil circuit and pump backup magnetic valve (4)
Enter oily control mouth (4-1) connection；
The oil-out 4-2 of pump backup magnetic valve (4) enters oily control by oil circuit and fuel feeding selector valve (3)
Mouth (3-4) connection；
The oil-out (1-2) of the first check valve (1) leads to main fuel system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510823965.5A CN106762184B (en) | 2015-11-24 | 2015-11-24 | A kind of apparatus for controlling pump for master backup conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510823965.5A CN106762184B (en) | 2015-11-24 | 2015-11-24 | A kind of apparatus for controlling pump for master backup conversion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106762184A true CN106762184A (en) | 2017-05-31 |
| CN106762184B CN106762184B (en) | 2019-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510823965.5A Active CN106762184B (en) | 2015-11-24 | 2015-11-24 | A kind of apparatus for controlling pump for master backup conversion |
Country Status (1)
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| CN (1) | CN106762184B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372646A (en) * | 2018-09-06 | 2019-02-22 | 中车大连机车车辆有限公司 | Fuel oil pump control circuit and method |
| CN114033557A (en) * | 2021-11-30 | 2022-02-11 | 中国航发湖南动力机械研究所 | Function integration fuel valve assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1327063A1 (en) * | 2000-10-13 | 2003-07-16 | General Electric Company | Methods and apparatus for rotor overspeed and overboost protection |
| FR2950863A1 (en) * | 2009-10-06 | 2011-04-08 | Snecma | FUEL SUPPLY CIRCUIT FOR AN AIRCRAFT ENGINE |
| CN103161631A (en) * | 2011-12-12 | 2013-06-19 | 中航商用航空发动机有限责任公司 | Fuel oil distributor used in motor |
| CN203396580U (en) * | 2013-07-22 | 2014-01-15 | 中国航空动力机械研究所 | Oil-feeding device for engine |
| CN103557082A (en) * | 2013-10-25 | 2014-02-05 | 中国航空动力机械研究所 | Engine fuel supply device and control method thereof |
| CN104627376A (en) * | 2014-12-04 | 2015-05-20 | 江西洪都航空工业集团有限责任公司 | Aircraft fuel oil conveying sequence control system |
-
2015
- 2015-11-24 CN CN201510823965.5A patent/CN106762184B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1327063A1 (en) * | 2000-10-13 | 2003-07-16 | General Electric Company | Methods and apparatus for rotor overspeed and overboost protection |
| FR2950863A1 (en) * | 2009-10-06 | 2011-04-08 | Snecma | FUEL SUPPLY CIRCUIT FOR AN AIRCRAFT ENGINE |
| CN103161631A (en) * | 2011-12-12 | 2013-06-19 | 中航商用航空发动机有限责任公司 | Fuel oil distributor used in motor |
| CN203396580U (en) * | 2013-07-22 | 2014-01-15 | 中国航空动力机械研究所 | Oil-feeding device for engine |
| CN103557082A (en) * | 2013-10-25 | 2014-02-05 | 中国航空动力机械研究所 | Engine fuel supply device and control method thereof |
| CN104627376A (en) * | 2014-12-04 | 2015-05-20 | 江西洪都航空工业集团有限责任公司 | Aircraft fuel oil conveying sequence control system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372646A (en) * | 2018-09-06 | 2019-02-22 | 中车大连机车车辆有限公司 | Fuel oil pump control circuit and method |
| CN109372646B (en) * | 2018-09-06 | 2021-02-09 | 中车大连机车车辆有限公司 | Fuel pump control circuit and method |
| CN114033557A (en) * | 2021-11-30 | 2022-02-11 | 中国航发湖南动力机械研究所 | Function integration fuel valve assembly |
| CN114033557B (en) * | 2021-11-30 | 2022-12-06 | 中国航发湖南动力机械研究所 | Function integration fuel valve assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106762184B (en) | 2019-10-18 |
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