CN104627376A - Aircraft fuel oil conveying sequence control system - Google Patents
Aircraft fuel oil conveying sequence control system Download PDFInfo
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- CN104627376A CN104627376A CN201410722770.7A CN201410722770A CN104627376A CN 104627376 A CN104627376 A CN 104627376A CN 201410722770 A CN201410722770 A CN 201410722770A CN 104627376 A CN104627376 A CN 104627376A
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- oil
- channel
- solenoid valve
- reversing solenoid
- diaphragm
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
Abstract
An aircraft fuel oil conveying sequence control system comprises an oil use-up annunciator, an oil conveying tank, a reversing solenoid valve, a mechanical and electric management computer, an oil conveying pump and a jet pump. The oil use-up annunciator is mounted at the bottom of the oil conveying tank, and the oil use-up annunciator and the reversing solenoid valve are connected with the mechanical and electric management computer. The reversing solenoid valve is mounted at an outlet of the oil conveying pump, meanwhile, a channel A of the reversing solenoid valve is connected with the outlet of the oil conveying pump, and an output channel of the reversing solenoid valve is connected with the jet pump. According to the aircraft fuel oil conveying sequence control system, the oil use-up annunciator which is arranged in the aircraft oil conveying tank is used, and the reversing solenoid valve is arranged so that the oil use-up annunciator and the reversing solenoid valve are made to work in a combined mode to achieve the control over oil conveying sequences. The aircraft fuel oil conveying sequence control system is small in number of accessories, simple in control logic, and capable of effectively lowering the weight of an aircraft fuel oil system; meanwhile, the reversing solenoid valve is electrically controlled through the electric reversing solenoid valve, and the reliability of the aircraft fuel oil system is effectively enhanced.
Description
Technical field
The present invention relates to aviation machine control technology field, particularly relate to a kind of aircraft fuel oil oil transportation sequence control system.
Background technology
Need the fuel oil in oil transportation case to transport to oil feeding reservoirs in aircraft fuel system working process, because oil transportation case is distributed in the different parts of aircraft, so need the system designing a set of automatic oil transfer to guarantee that fuel oil normally transfers by the order of setting.Conventional aircraft fuel oil oil transportation sequence control system relies on float valve and the associated working of electromagnetic fuel switch to realize, because the method needs for each oil transportation case arranges float valve and electromagnetic fuel switch respectively, therefore annex is many, thus cause aircraft fuel system weight to increase, and reduce the reliability of aircraft fuel system.
Summary of the invention
Technical matters solved by the invention is to provide a kind of aircraft fuel oil oil transportation sequence control system, to solve the shortcoming in above-mentioned background technology.
Technical matters solved by the invention realizes by the following technical solutions:
Aircraft fuel oil oil transportation sequence control system, comprises oil signal head, reversing solenoid valve, Electromechanical Management computing machine, fuel duct, fuel transfer pump and jet pump to the greatest extent; Wherein, oil to the greatest extent signal head is arranged on defeated tank bottoms, and the most signal head of oil, reversing solenoid valve are connected with Electromechanical Management computing machine respectively, and reversing solenoid valve is arranged on the exit of fuel transfer pump, simultaneously its A channel to be exported with fuel transfer pump by fuel duct and is connected, and the delivery channel of reversing solenoid valve is connected with jet pump.
In the present invention, reversing solenoid valve comprises valve body, and valve body upper end is provided with valve gap, and valve assembly is arranged on below valve gap, diaphragm unit is arranged in upper shell, be provided with diaphragm epicoele and diaphragm cavity of resorption in the middle part of valve body, and diaphragm epicoele, diaphragm cavity of resorption are connected with excess oil mouth, electrical appliance part A-B and electrical appliance part A-C is arranged on valve body two ends, and spring is provided with between electrical appliance part, both ends of the spring is symmetrically arranged with drainage valve, and excess oil valve is connected with drainage valve, and excess oil mouth is connected with excess oil valve; In addition, valve body being also provided with three passages, is A channel, channel B and C-channel respectively.
In the present invention, in Electromechanical Management computing machine, logic control relation is as follows:
1), when the most signal head of oil does not all send oily signal to the greatest extent, reversing solenoid valve is A-B channel conductive only;
2), when the most signal head of oil all sends oily signal to the greatest extent, reversing solenoid valve is A-C channel conductive only; After this, if any oil uses up blackout and continue 15 seconds, reversing solenoid valve action impels A-B channel conductive.
In the present invention, reversing solenoid valve mode of operation: when electrical appliance part A-B energising, A channel lead to pressure, electrical appliance part A-B works, and diaphragm cavity of resorption and excess oil mouth pipeline cut off, connect with A channel simultaneously, fuel oil enters diaphragm cavity of resorption, and diaphragm unit under cavity pressure effect, overcomes pressure and the friction force of diaphragm epicoele under diaphragm, valve assembly is driven up to move, open channel B, close C-channel, realize A-B channel conductive, A-C pathway closure;
When electrical appliance part A-C energising, A channel lead to pressure, electrical appliance part A-C works, and diaphragm cavity of resorption and excess oil mouth pipeline are connected, cuts off with A channel, while diaphragm epicoele and excess oil mouth pipeline cut off, connect with A channel simultaneously, fuel oil enters diaphragm epicoele, and diaphragm unit, under the effect of diaphragm epicoele fuel flow pressure, overcomes pressure and the friction force of diaphragm cavity of resorption, valve assembly is driven down to move, open C-channel, close channel B, realize A-C passage and lead to, A-B pathway closure.
In the present invention, when fuel oil in oil transportation case exhausts, corresponding oil to the greatest extent signal head sends oil signal to the greatest extent to Electromechanical Management computing machine, Electromechanical Management computing machine makes Logic judgment according to receiving the most signal of oil, send instruction to reversing solenoid valve simultaneously, control reversing solenoid valve A-B channel conductive or A-C channel conductive, thus the kinetic current that fuel transfer pump produces is delivered to jet pump entrance corresponding to different passage, to realize the order automatic oil transfer by setting.
Beneficial effect: the present invention utilizes the oil signal head to the greatest extent be provided with in aircraft oil transportation case, by arranging reversing solenoid valve, makes it with reversing solenoid valve associated working to realize the control of oil transportation order; Oil transportation sequence control system annex is few, and control logic is simple, effectively reduces the weight of aircraft fuel system; Simultaneously by electric control reversing electromagnetic valve, effectively enhance the reliability of aircraft fuel system.
Accompanying drawing explanation
Fig. 1 is the structural representation of preferred embodiment of the present invention.
Fig. 2 is the reversing solenoid valve front elevation in preferred embodiment of the present invention.
Fig. 3 is the reversing solenoid valve cutaway view in preferred embodiment of the present invention.
Fig. 4 is the reversing solenoid valve electric hookup in preferred embodiment of the present invention.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
See the aircraft fuel oil oil transportation sequence control system of Fig. 1, comprise No. 1 fuel tank oil signal head, left No. 3 fuel tanks oil signal head, right No. 3 fuel tanks oil signal head, port wing fuel tank oil signal head, starboard wing fuel tank oil signal head, reversing solenoid valve, Electromechanical Management computing machine, fuel transfer pump, fuel duct, No. 1 fuel tank jet pump, left No. 3 fuel tank jet pumps, right No. 3 fuel tank jet pumps, port wing fuel tank jet pump and starboard wing fuel tank jet pumps to the greatest extent to the greatest extent to the greatest extent to the greatest extent to the greatest extent, wherein, No. 1 most signal head of fuel tank oil is arranged on No. 1 tank bottoms, left No. 3 fuel tanks oil to the greatest extent signal head is arranged on left No. 3 tank bottoms, right No. 3 fuel tanks oil to the greatest extent signal head is arranged on right No. 3 tank bottoms, port wing fuel tank oil to the greatest extent signal head is arranged on port wing tank bottoms, starboard wing fuel tank oil to the greatest extent signal head is arranged on starboard wing tank bottoms, and No. 1 fuel tank oil signal head to the greatest extent, left No. 3 fuel tanks oil signal head to the greatest extent, right No. 3 fuel tanks oil signal head to the greatest extent, port wing fuel tank oil signal head to the greatest extent, starboard wing fuel tank oil signal head to the greatest extent, reversing solenoid valve is connected with Electromechanical Management computing machine respectively, and reversing solenoid valve is arranged on the exit of fuel transfer pump, its A channel to be exported with fuel transfer pump by fuel duct and is connected, the delivery channel of reversing solenoid valve respectively with No. 1 fuel tank jet pump, left No. 3 fuel tank jet pumps, right No. 3 fuel tank jet pumps, port wing fuel tank jet pump and starboard wing fuel tank jet pump connect.
In the present embodiment, reversing solenoid valve comprises valve body, shown in Fig. 2 ~ 4, valve body is provided with valve gap 1, valve assembly 2, diaphragm unit 3, upper shell 4, lower house 5, valve base 6, electrical appliance part A-B7, electrical appliance part A-C8, spring 9, drainage valve 10, excess oil valve 11, excess oil mouth 12 and socket 13, wherein, valve gap 1 is arranged on valve body upper end, valve assembly 2 is arranged on below valve gap 1, diaphragm unit 3 is arranged in upper shell 4, diaphragm epicoele and diaphragm cavity of resorption is provided with in the middle part of valve body, and diaphragm epicoele, diaphragm cavity of resorption is connected with excess oil mouth 12, electrical appliance part A-B7 and electrical appliance part A-C8 is arranged on valve body two ends and is inserted on socket 13, and connected by electrical control cable, and be provided with spring 9 between electrical appliance part A-B7 and electrical appliance part A-C8, spring 9 two ends are symmetrically arranged with drainage valve 10, excess oil valve 11 is connected with drainage valve 10, and excess oil mouth 12 is connected with excess oil valve 11, in addition, valve body being also provided with three passages, is A channel, channel B and C-channel respectively.
In the present embodiment, in Electromechanical Management computing machine, logic control relation is as follows:
1) No. 1 fuel tank oil to the greatest extent signal head, port wing fuel tank oil to the greatest extent signal head and starboard wing fuel tank oil to the greatest extent signal head oil is not when signal sends to the greatest extent arbitrarily, 2., 4. reversing solenoid valve contact pin is energized, contact pin 1., 3. power-off, now reversing solenoid valve only A-B channel conductive;
2) No. 1 fuel tank oil to the greatest extent signal head, port wing fuel tank oil to the greatest extent signal head and starboard wing fuel tank oil to the greatest extent signal head all send oil to the greatest extent signal time, reversing solenoid valve contact pin 2., 4. pin power-off, 1., 3. contact pin is energized, now reversing solenoid valve only A-C channel conductive; After this, if any oil to the greatest extent blackout and continue 15 seconds, 2., 4. reversing solenoid valve contact pin is energized, contact pin 1., 3. power-off, now reversing solenoid valve action impels A-B channel conductive.
And reversing solenoid valve mode of operation: shown in Figure 2, when (contact pin 2., 4. electrical appliance part A-B7 is energized, contact pin 1., 3. power-off), A channel logical pressure time, electrical appliance part A-B7 works, diaphragm cavity of resorption and excess oil mouth 12 pipeline cut off, connect with A channel simultaneously, fuel oil enters diaphragm cavity of resorption, diaphragm unit 3 is under diaphragm under cavity pressure effect, overcome pressure and the friction force of diaphragm epicoele, drive valve assembly 2 up to move, open channel B, close C-channel, realize A-B channel conductive, A-C pathway closure;
When electrical appliance part A-C8 be energized (contact pin 2., 4. power-off, 1., 3. contact pin is energized), A channel logical pressure time, electrical appliance part A-C8 works, diaphragm cavity of resorption and excess oil mouth 12 pipeline are connected, cut off with A channel, diaphragm epicoele and excess oil mouth 12 pipeline cut off simultaneously, connect with A channel simultaneously, fuel oil enters diaphragm epicoele, diaphragm unit 3 is under the effect of diaphragm epicoele fuel flow pressure, overcome pressure and the friction force of diaphragm cavity of resorption, drive valve assembly 2 down to move, open C-channel, close channel B, realize A-C passage to lead to, A-B pathway closure.
In the present embodiment, when fuel oil in oil transportation case exhausts, corresponding oil to the greatest extent signal head sends oil signal to the greatest extent to Electromechanical Management computing machine, Electromechanical Management computing machine makes Logic judgment according to receiving the most signal of oil, send instruction to reversing solenoid valve simultaneously, control reversing solenoid valve A-B channel conductive or A-C channel conductive, thus the kinetic current that fuel transfer pump produces is delivered to jet pump entrance corresponding to different passage, to realize the order automatic oil transfer by setting.
More than show and describe groundwork of the present invention and principal character and advantage of the present invention.The technical personnel of the industry should be understood; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof
.
Claims (4)
1. aircraft fuel oil oil transportation sequence control system, comprises oil signal head, oil transportation case, reversing solenoid valve, Electromechanical Management computing machine, fuel transfer pump and jet pump to the greatest extent; It is characterized in that, oil to the greatest extent signal head is arranged on defeated tank bottoms, and the most signal head of oil, reversing solenoid valve are connected with Electromechanical Management computing machine respectively, and reversing solenoid valve is arranged on the exit of fuel transfer pump, its A channel exports with fuel transfer pump and is connected simultaneously, and the delivery channel of reversing solenoid valve is connected with jet pump.
2. aircraft fuel oil oil transportation sequence control system according to claim 1, it is characterized in that, reversing solenoid valve comprises valve body, valve body upper end is provided with valve gap, valve assembly is arranged on below valve gap, diaphragm unit is arranged in upper shell, diaphragm epicoele and diaphragm cavity of resorption is provided with in the middle part of valve body, and diaphragm epicoele, diaphragm cavity of resorption is connected with excess oil mouth, electrical appliance part A-B and electrical appliance part A-C is arranged on valve body two ends, and spring is provided with between electrical appliance part, both ends of the spring is symmetrically arranged with drainage valve, excess oil valve is connected with drainage valve, and excess oil mouth is connected with excess oil valve, in addition, valve body being also provided with three passages, is A channel, channel B and C-channel respectively.
3. aircraft fuel oil oil transportation sequence control system according to claims 1 to 2, it is characterized in that, in Electromechanical Management computing machine, logic control relation is as follows:
1), when the most signal head of oil does not all send oily signal to the greatest extent, reversing solenoid valve is A-B channel conductive only;
2), when the most signal head of oil all sends oily signal to the greatest extent, reversing solenoid valve is A-C channel conductive only; After this, if any oil uses up blackout and continue 15 seconds, reversing solenoid valve action impels A-B channel conductive.
4. aircraft fuel oil oil transportation sequence control system according to claim 2, it is characterized in that, reversing solenoid valve mode of operation: when electrical appliance part A-B energising, A channel lead to pressure, electrical appliance part A-B works, diaphragm cavity of resorption and excess oil mouth pipeline cut off, connect with A channel simultaneously, fuel oil enters diaphragm cavity of resorption, diaphragm unit is under diaphragm under cavity pressure effect, overcome pressure and the friction force of diaphragm epicoele, drive valve assembly up to move, open channel B, close C-channel, realize A-B channel conductive, A-C pathway closure;
When electrical appliance part A-C energising, A channel lead to pressure, electrical appliance part A-C works, and diaphragm cavity of resorption and excess oil mouth pipeline are connected, cuts off with A channel, while diaphragm epicoele and excess oil mouth pipeline cut off, connect with A channel simultaneously, fuel oil enters diaphragm epicoele, and diaphragm unit, under the effect of diaphragm epicoele fuel flow pressure, overcomes pressure and the friction force of diaphragm cavity of resorption, valve assembly is driven down to move, open C-channel, close channel B, realize A-C passage and lead to, A-B pathway closure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410722770.7A CN104627376B (en) | 2014-12-04 | 2014-12-04 | Aircraft fuel oil conveying sequence control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410722770.7A CN104627376B (en) | 2014-12-04 | 2014-12-04 | Aircraft fuel oil conveying sequence control system |
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| CN104627376A true CN104627376A (en) | 2015-05-20 |
| CN104627376B CN104627376B (en) | 2017-04-26 |
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| CN201410722770.7A Active CN104627376B (en) | 2014-12-04 | 2014-12-04 | Aircraft fuel oil conveying sequence control system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762184A (en) * | 2015-11-24 | 2017-05-31 | 西安航空动力控制科技有限公司 | A kind of apparatus for controlling pump for master backup conversion |
| CN109404135A (en) * | 2018-12-07 | 2019-03-01 | 江西洪都航空工业集团有限责任公司 | A kind of oil-return type oil transportation control system |
| CN111114802A (en) * | 2019-12-31 | 2020-05-08 | 北京机电工程研究所 | Active and passive switching oil supply system for aircraft |
| CN112078807A (en) * | 2020-08-14 | 2020-12-15 | 陕西千山航空电子有限责任公司 | Control system and method for reversing solenoid valve of aircraft fuel system |
| US11066180B2 (en) | 2018-08-02 | 2021-07-20 | Airbus Operations Limited | Refuelling system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4167002A (en) * | 1978-03-10 | 1979-09-04 | N. B. F. Company, Inc. | Low fuel indicating device |
| US5555873A (en) * | 1995-02-16 | 1996-09-17 | Nolen; Jay A. | Fuel tank switching apparatus |
| CN202624642U (en) * | 2011-12-14 | 2012-12-26 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Airplane pressure refueling header pipe integrating device |
| CN103057714A (en) * | 2013-01-05 | 2013-04-24 | 中国商用飞机有限责任公司 | Auxiliary fuel system |
-
2014
- 2014-12-04 CN CN201410722770.7A patent/CN104627376B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4167002A (en) * | 1978-03-10 | 1979-09-04 | N. B. F. Company, Inc. | Low fuel indicating device |
| US5555873A (en) * | 1995-02-16 | 1996-09-17 | Nolen; Jay A. | Fuel tank switching apparatus |
| CN202624642U (en) * | 2011-12-14 | 2012-12-26 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Airplane pressure refueling header pipe integrating device |
| CN103057714A (en) * | 2013-01-05 | 2013-04-24 | 中国商用飞机有限责任公司 | Auxiliary fuel system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762184A (en) * | 2015-11-24 | 2017-05-31 | 西安航空动力控制科技有限公司 | A kind of apparatus for controlling pump for master backup conversion |
| CN106762184B (en) * | 2015-11-24 | 2019-10-18 | 西安航空动力控制科技有限公司 | A kind of apparatus for controlling pump for master backup conversion |
| US11066180B2 (en) | 2018-08-02 | 2021-07-20 | Airbus Operations Limited | Refuelling system |
| CN109404135A (en) * | 2018-12-07 | 2019-03-01 | 江西洪都航空工业集团有限责任公司 | A kind of oil-return type oil transportation control system |
| CN109404135B (en) * | 2018-12-07 | 2023-12-26 | 江西洪都航空工业集团有限责任公司 | Oil return type oil transportation control system |
| CN111114802A (en) * | 2019-12-31 | 2020-05-08 | 北京机电工程研究所 | Active and passive switching oil supply system for aircraft |
| CN112078807A (en) * | 2020-08-14 | 2020-12-15 | 陕西千山航空电子有限责任公司 | Control system and method for reversing solenoid valve of aircraft fuel system |
| CN112078807B (en) * | 2020-08-14 | 2023-03-07 | 陕西千山航空电子有限责任公司 | Control system and method for reversing solenoid valve of aircraft fuel system |
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| CN104627376B (en) | 2017-04-26 |
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