CN210852943U

CN210852943U - Oxygen leakage monitoring system for A320 unit

Info

Publication number: CN210852943U
Application number: CN201921628289.6U
Authority: CN
Inventors: 程伟; 赵红华
Original assignee: China Eastern Aviation Technology Co ltd
Current assignee: China Eastern Aviation Technology Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-06-26
Anticipated expiration: 2029-09-27

Abstract

The utility model relates to a monitored control system is revealed to A320 unit oxygen, this system include controller (1), with the data processing server (12) that the input parallel connection's of controller (1) main delivery line monitoring circuit, cockpit are monitoring circuit and main cabin are along the separate routes monitoring circuit and are connected with controller (1) output along the separate routes, the system close the output that valve (6) and controller (1) are connected, each monitoring circuit is equipped with parallel connection's temperature and humidity sensor (8), oxygen concentration sensor (9), cockpit is along the separate routes monitoring circuit and main cabin are equipped with emergency cut-off device separately, emergency cut-off valve device is connected with the output of controller (1). Compared with the prior art, the utility model has the advantages of reduce the operational risk, improve work efficiency, report to the police in time, economic convenience.

Description

Oxygen leakage monitoring system for A320 unit

Technical Field

The utility model belongs to the technical field of the aeronautical technology and specifically relates to a monitored control system is revealed to A320 unit oxygen.

Background

The aircraft crew oxygen system is intended to provide oxygen to the crew during emergency pressure relief in the passenger cabin or when smoke, toxic gases, etc. are present in the cockpit. Most aircraft crew oxygen system takes place to reveal and can not trigger the cockpit and warn, and the unit often also can not be special constantly to oxygen pressure monitoring in carrying out the flight process, when revealing and taking place, is difficult for noticing, can influence pilot's normal oxygen on the one hand, and on the other hand oxygen is flammable explosive characteristics, also has the risk of use and maintenance in the emergence of revealing.

For most A320 airplanes, when the pressure is lower than 1500PSI, an amber half-frame indication appears on an oxygen pressure indication on an ECAM OXY/DOOR page, so that maintenance personnel are reminded of performing oxygen cylinder service work, and abnormal leakage and oxygen in large quantity are avoided to cause the oxygen pressure value to be lower than a release standard. The existing maintenance mode is mainly to passively replace an oxygen bottle and oxygenate according to the specific situation of an oxygen pressure value, and the oxygen leakage phenomenon in operation cannot be monitored, so that flight delay is easily caused when leakage occurs.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide an A320 unit oxygen leakage monitoring system.

The purpose of the utility model can be realized through the following technical scheme:

an A320 aircraft oxygen leakage monitoring system is used for monitoring the conveying leakage of an oxygen bottle of an A320 aircraft oxygen system, a system closing valve is arranged on a main conveying pipeline of the oxygen bottle, the main conveying pipeline is branched after the system closing valve, all the way outputs oxygen to a captain oxygen mask regulator of a cockpit, all the way outputs oxygen to a passenger oxygen mask regulator of the passenger cabin, the system comprises a controller, a main conveying pipeline monitoring circuit, a cockpit branch monitoring circuit, a passenger cabin branch monitoring circuit and a data processing server, wherein the main conveying pipeline monitoring circuit, the cockpit branch monitoring circuit and the passenger cabin branch monitoring circuit are connected with the input end of the controller in parallel, the system closing valve is connected with the output end of the controller, each monitoring circuit comprises a temperature and humidity sensor and an oxygen concentration sensor which are connected in parallel, and the cockpit branch monitoring circuit and the passenger cabin branch monitoring circuit respectively comprise an emergency cut-off device, the emergency cut-off device is connected with the output end of the controller.

Preferably, the output end of the controller is connected with a hub, and the hub is connected with the data processing server through a wireless communication module.

Preferably, each temperature and humidity sensor and each oxygen concentration sensor are arranged at the detection position of each node of the conveying pipeline.

Preferably, the output end of the controller is connected with an alarm module.

Preferably, the data processing server is connected with a display module.

Preferably, the alarm module adopts an audible and visual alarm.

Preferably, the emergency cut-off device is an emergency cut-off valve.

Preferably, the system is powered using a low voltage power supply.

Compared with the prior art, the utility model has the advantages of it is following:

1. and (3) reducing the operation risk: through the utility model discloses oxygen leakage monitoring system, the detection position department of each node on the pipeline of oxygen cylinder is equipped with oxygen concentration sensor and temperature and humidity sensor, can fixed point collection, analysis, processing field data, can provide the parameter information such as oxygen content, environment humiture that the field monitoring was monitored for the maintenance personal in time to can control urgent trip valve or system closing valve through the controller and in time cut off the oxygen supply, improve the monitoring effect, reduce the operation risk;

2. the work efficiency is improved: the system of the utility model is connected with a concentrator, the concentrator transmits information to a data processing server through a wireless communication module, thereby being convenient for judging the leakage of oxygen information and processing the leakage in time; the data processing server is connected with the display module, so that visual detection data and processing schemes can be provided for maintenance personnel at any time, and the working efficiency is improved;

3. and alarming in time: the utility model is provided with an alarm module, when oxygen leakage occurs, an alarm signal can be sent out to remind maintenance personnel of the leakage condition, the alarm is timely, and the cost of subsequent maintenance is reduced;

4. is economical and convenient: the utility model discloses a monitored control system is revealed to oxygen can be provided the power by the low voltage power supply, and the power consumption is low, but the lowering system running cost.

Drawings

FIG. 1 is a schematic view of the structure of the device of the present invention;

the reference numbers in the figures indicate:

1. the system comprises a controller, 2, an oxygen bottle, 3, a main conveying pipeline, 4, a pressure sensor, 5, a pressure reducing regulator, 6, a system closing valve, 7, an emergency cutoff valve, 8, a temperature and humidity sensor, 9, an oxygen concentration sensor, 10, a captain oxygen mask regulator, 11, a passenger oxygen mask regulator, 12, a data processing server, 13, a display module, 14, a wireless communication module, 15, a concentrator, 16 and an alarm module.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

The a320 aircraft crew oxygen system provides oxygen through oxygen cylinder 2, and oxygen cylinder 2 is transported through a delivery line to the crew oxygen mask regulator 10 and the passenger oxygen mask regulator 11. The utility model discloses reveal to A320 aircraft unit oxygen system oxygen cylinder 2's transport and provide a monitored control system.

As shown in fig. 1, the utility model relates to a monitoring system is revealed to A320 unit oxygen, including controller 1, quick action emergency valve 7, temperature and humidity sensor 8, oxygen concentration sensor 9, alarm module 16 and data processing server 12.

The closing valve of the oxygen cylinder 2 is connected with a main conveying pipeline 3, a pressure sensor 4, a pressure reducing regulator 5 and a system closing valve 6 are sequentially arranged on the main conveying pipeline 3, the main conveying pipeline 3 behind the system closing valve 6 is divided, oxygen is output to a captain oxygen mask regulator 10 of a cockpit all the way, and oxygen is output to a passenger oxygen mask regulator 11 of a passenger cabin all the way. And emergency shut-off valves 7 are respectively arranged on the delivery pipelines after the branching. The emergency shut-off valve 7 is connected with the output end of the controller 1.

The input end of the controller 1 is connected with a monitoring circuit, and the monitoring circuit comprises a main conveying pipeline monitoring circuit, a cockpit shunt monitoring circuit and a passenger cabin shunt monitoring circuit of the oxygen cylinder 2 which are connected in parallel. The main conveying pipeline monitoring circuit comprises a temperature and humidity sensor 8 and an oxygen concentration sensor 9 which are arranged on the main conveying pipeline 3, and the cockpit branching monitoring circuit and the passenger cabin branching monitoring circuit respectively comprise the temperature and humidity sensor 8 and the oxygen concentration sensor 9 which are arranged on the conveying pipelines after respective branching. The temperature and humidity sensors 8 and the oxygen concentration sensor 9 are connected in parallel and are arranged at the detection positions of the nodes of the conveying pipeline.

The output end of the controller 1 is connected with the alarm module 16 and the hub 11. The hub 11 is connected to a data processing server 12 through a wireless communication module 14, the data processing server 12 is installed in a maintenance personnel control room in the aircraft, and the data processing server 12 is connected to a display module 13 capable of displaying detection data and inspection signals for maintenance personnel at any time. The utility model discloses a monitored control system is revealed to A320 unit oxygen can be provided the power by the low voltage power supply, and the power consumption is low, but the lowering system running cost. Preferably, the alarm module 16 employs an audible and visual alarm. The display module 13 may employ an LCD screen. The wireless communication module 14 may employ a WIFI wireless transceiver.

The utility model discloses a theory of operation does:

the main conveying pipeline monitoring circuit, the cockpit conveying pipeline monitoring circuit and the cabin conveying pipeline monitoring circuit collect data of conveying pipelines of all parts at fixed points, parameter information such as oxygen content and environment temperature and humidity monitored on site is fed back to the controller 1, the controller 1 uploads the information to the data processing server 12 to be stored, analyzed and processed, when oxygen leakage is found, namely the oxygen concentration value is lower than a set threshold value, the data processing server 12 displays the detection information on the display module 13, and simultaneously sends the detection information to the detection controller 1, the controller 1 rapidly controls the alarm module 16 to send out an acousto-optic signal to remind maintenance personnel of the leakage condition. Meanwhile, the controller 1 controls the quick disconnect valve 4 or the system shut-off valve 6 to cut off the oxygen supply to avoid more oxygen waste. In addition, the data processing server 12 can analyze the factors influencing the rapid change of the oxygen pressure and the relationship between the factors and the temperature value and the time by combining the oxygen content, the environmental temperature and humidity and other parameter information, determine the warning logic of the rapid leakage, transmit the analysis result and the processing scheme to the display module 16 for displaying, display the detection data for maintenance personnel at any time, provide a solution, and timely perform the subsequent maintenance of the oxygen leakage. Preferably, the data processing server 12 can also set a plurality of thresholds, perform pre-warning and alarming, or perform multi-level alarming.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An A320 unit oxygen leakage monitoring system is used for monitoring the conveying leakage of an oxygen bottle (2) of an A320 aircraft unit oxygen system, a system closing valve (6) is arranged on a main conveying pipeline (3) of the oxygen bottle (2), the main conveying pipeline (3) is shunted after the system closing valve (6) is passed through, one path of oxygen is output to a machine length oxygen mask regulator (10) of a cockpit, and the other path of oxygen is output to a passenger oxygen mask regulator (11) of a passenger cabin, and is characterized in that the system comprises a controller (1), a main conveying pipeline monitoring circuit, a cockpit shunt monitoring circuit, a passenger cabin shunt monitoring circuit and a data processing server (12) which are connected with the output end of the controller (1) in parallel connection with the input end of the controller (1), the system closing valve (6) is connected with the output end of the controller (1), each monitoring circuit comprises a temperature and humidity sensor (8) and an oxygen concentration sensor (9) which are connected in parallel, the cockpit shunt monitoring circuit and the passenger cabin shunt monitoring circuit respectively comprise an emergency cut-off device, and the emergency cut-off devices are connected with the output end of the controller (1).

2. The A320 unit oxygen leakage monitoring system according to claim 1, characterized in that the output end of the controller (1) is connected with a hub (15), and the hub (15) is connected with the data processing server (12) through a wireless communication module (14).

3. The oxygen leakage monitoring system for the A320 unit as claimed in claim 1, wherein each temperature and humidity sensor (8) and each oxygen concentration sensor (9) are arranged at a detection position of each node of the conveying pipeline.

4. The A320 unit oxygen leakage monitoring system according to claim 1, characterized in that an alarm module (16) is connected to the output end of the controller (1).

5. The A320 unit oxygen leakage monitoring system according to claim 1, wherein the data processing server (12) is connected with a display module (13).

6. The A320 unit oxygen leakage monitoring system according to claim 4, characterized in that the alarm module (16) adopts an audible and visual alarm.

7. An a320 crew oxygen leakage monitoring system according to claim 1, characterized in that the emergency cut-off device is an emergency cut-off valve (7).

8. The system for monitoring oxygen leakage from a320 unit as claimed in claim 1, wherein the system is powered by low voltage power supply.