CN206126830U - Vapour -pressure type oil tank refuels control system - Google Patents
Vapour -pressure type oil tank refuels control system Download PDFInfo
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- CN206126830U CN206126830U CN201621073864.7U CN201621073864U CN206126830U CN 206126830 U CN206126830 U CN 206126830U CN 201621073864 U CN201621073864 U CN 201621073864U CN 206126830 U CN206126830 U CN 206126830U
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- fuel tank
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- fuel
- vapour
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Abstract
The utility model provides a refuel through the connection of intercommunication pipeline the bottom that vapour -pressure type oil tank refuels control system wherein, divides the oil tank and the top of main fuel tank do not to pass through atmospheric pressure pipe and intake -tube connection, and oil tank and main fuel tank are divided to intake pipe and external atmosphere intercommunication to install the fuel cock on this way communicating pipe, and upper portion space in minute oil tank is formed with airtight atmospheric pressure space, installs two remaining oil level controllers and fuel solenoid valve in the main fuel tank, and fuel solenoid valve one end is connected with pair remaining oil level controllers, and the other end is connected with the pressure fuelling coupling, be provided with the mechanical oil float and magnetism float that are used for being connected with fuel solenoid valve in two remaining oil level controllers for the normal full oil and the emergent full oil of control main fuel tank, adopt vapour -pressure type oil tank refuels control system to control with the oil level that refuels of realizing aircraft part oil tank to adopt two remainings designs, satisfied well the aircraft geostatic pressure refuel with the state of flight under the operation requirement.
Description
Technical field
This utility model is related to aviation machine control technology field, more particularly to a kind of vapour-pressure type fuel tank refueling control system
System.
Background technology
During the development and design of Airplane Pressure Fueling System, usually require that plus oil inlet pipe end, i.e., towards fly
The porch of each fuel tank of machine or fuel tank group, all should arrange oiling shut-off valve, when fuel oil is added to normal full oil pasta or emergent full
During pasta, oil level control can control its closing, to cut off oiling oil circuit, stop being refueled to fuel tank；To ensure to add simultaneously
The air discharged when oily can be discharged by breather, to ensure that the pressure in fuel tank is less than rated pressure.In current pressure
In fuel loading system design, two kinds of oiling pasta control systems are generally adopted, one kind is that a float start is respectively provided with fuel tank
Mechanical valve shut-off realizing refueling control；Another kind is, using automatically controlled method, to arrange fuel level annunciator in fuel tank and lead to
Cross and send the signal of telecommunication to control the shut-off of electrodynamic valve to realize refueling control, but both devices can all increase answering for control system
Miscellaneous degree, while also increasing the weight of aircraft itself, cost and probability of malfunction, also reduces the reliability of control system.
Utility model content
The technical problem that this utility model is solved is to provide a kind of vapour-pressure type fuel tank refueling control system, with solution
State the shortcoming in background technology.
The technical problem that this utility model is solved employs the following technical solutions to realize：
A kind of vapour-pressure type fuel tank refueling control system, including pressure oiling joint, double remaining float level controllers, point oil
Case, main fuel tank and air inlet pipe, wherein, a point fuel tank is connected respectively by pressure catheter with the top of main fuel tank with air inlet pipe, air inlet
Pipe is connected with ambient atmosphere, and point fuel tank is connected oiling with the bottom of main fuel tank by connecting pipeline, and pacifies on this connecting pipeline
Equipped with fuel cock；And pasta reaches top sky when pressure catheter entrance blocks pressure catheter in point fuel tank in point fuel tank
Between form closed air pressure space, double remaining oil Level controllors and fuel solenoid valve, fuel solenoid valve one end are installed in main fuel tank
It is connected with double remaining oil Level controllors, the other end is connected with pressure oiling joint；Be provided with double remaining oil Level controllors for
The machinery oil float being connected with fuel solenoid valve and magnetic float, to the normal full oil and emergent full oil that control main fuel tank.
In this utility model, including multiple points of fuel tanks, refueled by double remaining oil Level controllors control point fuel tank.
In this utility model, fuel cock is fuel and electric motor valve.
In this utility model, two machinery oil floats and two magnetic floats are provided with double remaining oil Level controllors, and
Two machinery oil floats are connected by connecting pipe with fuel solenoid valve, and two magnetic floats are by electric signal line and fuel solenoid valve
Connection.
In this utility model, when carrying out pressure filling, fuel oil enters oil filling pipe by pressure oiling joint, then from combustion
Solenoid enters main fuel tank, and the pasta of double remaining oil Level controllors monitoring main fuel tanks is controlling the shut-off of fuel solenoid valve；And
Divide fuel tank to connect with main fuel tank by connecting pipeline to be refueled, open fuel and electric motor valve, due to dividing between fuel tank and main fuel tank
Pasta there is difference in height, fuel oil enters under gravity a point fuel tank, and air inlet pipe connect with ambient atmosphere, oily in fuel tank when dividing
When face reaches the pressure catheter mouth on top, pressure catheter is blocked, the upper space in point fuel tank forms a closed air pressure
Space, as the pasta of point fuel tank continues to rise, the pressure in closed air pressure space rises to and is divided to fuel tank, two fuel tanks of main fuel tank
Fuel head difference balance when, close fuel and electric motor valve, point fuel tank refuels and terminates.
Beneficial effect：This utility model adopts vapour-pressure type fuel tank refueling control system to realize the oiling of aircraft portions fuel tank
Pasta is controlled, and by double redundancy designs, meets meet aircraft floor pressure filling and the use under state of flight well
Require, and with lightweight, reliability it is high, fault rate is low the characteristics of.
Description of the drawings
Fig. 1 is the structural representation of preferred embodiment of the present utility model.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that this utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and this utility model is expanded on further.
It is referring to a kind of vapour-pressure type fuel tank refueling control system of Fig. 1 including pressure oiling joint 1, fuel solenoid valve 2, double
Remaining float level controller 3,4, point fuel tank 5 of fuel and electric motor valve, main fuel tank 6, pressure catheter 7, closed air pressure space 8 and
Air inlet pipe 9, wherein, a point of fuel tank 5 is connected respectively by pressure catheter 7 with the top of main fuel tank 6 with air inlet pipe 9, air inlet pipe 9
Connect with ambient atmosphere, a point of fuel tank 5 is connected oiling with the bottom of main fuel tank 6 by connecting pipeline, and in this connecting pipeline
On fuel and electric motor valve 4 is installed；And pasta is reached when the entrance of pressure catheter 7 blocks pressure catheter 7 one in a point of fuel tank 5
Upper space in number point fuel tank 5 forms and double remaining oil Level controllors 3 and fuel oil is provided with closed air pressure space 8, main fuel tank 6
Electromagnetic valve 2, one end of fuel solenoid valve 2 is connected with double remaining oil Level controllors 3, and the other end is connected with pressure oiling joint 1；It is double remaining
Two machinery oil floats and two magnetic floats, two machinery oil floats and two magnetic floats point are provided with degree oil Level controllor 3
It is not connected by connecting pipe and electric signal line with fuel solenoid valve 2, to control the normal full oil of main fuel tank 6 and meet an urgent need full
Oil.
In the present embodiment, when carrying out pressure filling, fuel oil enters oil filling pipe by pressure oiling joint 1, then from combustion
Solenoid 2 enters main fuel tank 6, and the pasta of double remaining oil Level controllors 3 monitoring main fuel tanks 6 is controlling the pass of fuel solenoid valve 2
It is disconnected；And a point of fuel tank 5 is refueled by the pipeline being connected with main fuel tank 6, fuel and electric motor valve 4 is opened, due to No. one point
There is difference in height in the pasta between fuel tank 5 and main fuel tank 6, fuel oil enters under gravity a point fuel tank 5, air inlet pipe 9 and
Ambient atmosphere is connected, and when pasta reaches 7 mouthfuls of the pressure catheter on top in a point of fuel tank 5, pressure catheter 7 is blocked, one
Number internal upper part space of point fuel tank 5 forms a closed air pressure space 8, as the pasta of a point fuel tank 5 continues rising, closed gas
The pressure in pressure space 8 is risen to when be divided to the poor balance of fuel head of fuel tank 5,6 two fuel tanks of main fuel tank with No. one, and closing fuel oil is electric
Dynamic valve 4, a point of fuel tank 5 refuels and terminates.
Ultimate principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Simply illustrate principle of the present utility model, on the premise of without departing from this utility model spirit and scope, this utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed this utility model.This utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (5)
1. a kind of vapour-pressure type fuel tank refueling control system, including pressure oiling joint, double remaining float level controllers, point oil
Case, main fuel tank and air inlet pipe, it is characterised in that point fuel tank is connected respectively by pressure catheter with the top of main fuel tank with air inlet pipe
Connect, air inlet pipe is connected with ambient atmosphere, a point fuel tank is connected oiling with the bottom of main fuel tank by connecting pipeline, and in this communicating pipe
Fuel cock is installed on road；And pasta is reached when pressure catheter entrance blocks pressure catheter in point fuel tank in point fuel tank
Upper space forms closed air pressure space, and double remaining oil Level controllors and fuel solenoid valve, electromagnetic fuel are provided with main fuel tank
Valve one end is connected with double remaining oil Level controllors, and the other end is connected with pressure oiling joint；Arrange in double remaining oil Level controllors
There is the machinery oil float and magnetic float for being connected with fuel solenoid valve.
2. a kind of vapour-pressure type fuel tank refueling control system according to claim 1, it is characterised in that including multiple points of oil
Case.
3. a kind of vapour-pressure type fuel tank refueling control system according to claim 1, it is characterised in that fuel cock is fuel oil
Electrodynamic valve.
4. a kind of vapour-pressure type fuel tank refueling control system according to claim 1, it is characterised in that double remaining pastas controls
Two machinery oil floats and two magnetic floats are provided with device.
5. a kind of vapour-pressure type fuel tank refueling control system according to claim 4, it is characterised in that two machinery oil floats
It is connected with fuel solenoid valve by connecting pipe, two magnetic floats are connected by electric signal line with fuel solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621073864.7U CN206126830U (en) | 2016-09-23 | 2016-09-23 | Vapour -pressure type oil tank refuels control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621073864.7U CN206126830U (en) | 2016-09-23 | 2016-09-23 | Vapour -pressure type oil tank refuels control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206126830U true CN206126830U (en) | 2017-04-26 |
Family
ID=58570439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621073864.7U Active CN206126830U (en) | 2016-09-23 | 2016-09-23 | Vapour -pressure type oil tank refuels control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206126830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113353272A (en) * | 2021-07-26 | 2021-09-07 | 绵阳小巨人动力设备有限公司 | Unmanned aerial vehicle's folding oil tank |
-
2016
- 2016-09-23 CN CN201621073864.7U patent/CN206126830U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113353272A (en) * | 2021-07-26 | 2021-09-07 | 绵阳小巨人动力设备有限公司 | Unmanned aerial vehicle's folding oil tank |
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