Distributed electronic regulation passenger emergency oxygen unit

Abstract

The invention belongs to civil aircraft passenger emergency oxygen supply, and particularly relates to a distributed electronic adjustment passenger emergency oxygen unit. Comprising a decentralized oxygen bottle assembly, an electromagnetic plunger latch, an oxygen supply control regulator, a passenger oxygen mask and a passenger oxygen mask box, the decentralized oxygen bottle assembly, the electromagnetic plunger latch and the oxygen supply control regulator are fixed in the passenger oxygen mask box, and the decentralized oxygen bottle assembly is connected with the oxygen supply control regulator through a pipeline. The oxygen control regulator is connected with the passenger oxygen mask through a pipeline, and the oxygen supply control regulator is connected with and controls the electromagnetic plunger latch through a cable; a switch of the electromagnetic plunger latch is used for controlling a small door of the passenger oxygen mask box, and the passenger oxygen mask falls after the small door is opened; a mooring rope is arranged on the passenger oxygen mask and is connected with the distributed oxygen bottle assembly; the oxygen supply control regulator is electrically connected with the onboard jettisoning control circuit, the onboard BIT module and the onboard avionics system and used for controlling oxygen supply to the passenger oxygen mask according to the onboard signals.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of passenger emergency oxygen supply of civil aircraft, and particularly relates to a decentralized electronic regulation passenger emergency oxygen unit. BACKGROUND

[0002] The current oxygen unit in the civil field is provided with a chemical oxygen generator as an oxygen source, and each passenger oxygen mask is provided with a gas storage bag, and can only supply oxygen to passengers in a continuous manner.

[0003] The above structure has the following disadvantages: when the oxygen supply time is more than 50 minutes, the passenger oxygen unit with the chemical oxygen generator as the oxygen source has the problems of heavy weight and large volume, and the chemical oxygen generator continuously generates heat for a long time, so that the passenger oxygen unit has a safety risk. SUMMARY

[0004] The present application aims to provide a decentralized electronic regulation passenger emergency oxygen unit, improve oxygen efficiency, reduce the total weight of the equipment, and improve the safety of the equipment.

[0005] TECHNICAL SOLUTION A decentralized electronic regulation passenger emergency oxygen unit comprises a decentralized oxygen cylinder assembly 1, an electromagnetic latch 2, an oxygen supply control regulator 3, a passenger oxygen mask 4, and a passenger oxygen mask box 5, wherein, The decentralized oxygen cylinder assembly 1, the electromagnetic latch 2, and the oxygen supply control regulator 3 are fixed in the passenger oxygen mask box 5, the decentralized oxygen cylinder assembly 1 is connected with the oxygen supply control regulator 3 through a pipeline, the oxygen supply control regulator 3 is connected with the passenger oxygen mask 4 through a pipeline, and the oxygen supply control regulator 3 is connected with the electromagnetic latch 2 through a cable; the switch of the electromagnetic latch 2 is used to control the small door of the passenger oxygen mask box 5, and the passenger oxygen mask 4 falls after the small door is opened; a tether is arranged on the passenger oxygen mask 4 and connected with the decentralized oxygen cylinder assembly 1, and is used to trigger the decentralized oxygen cylinder assembly 1; the oxygen supply control regulator 3 is electrically connected with an on-board throwing control circuit, an on-board BIT module, and an on-board avionics system, and is used to control the oxygen supply to the passenger oxygen mask 4 according to the on-board signal.

[0006] Further, the decentralized oxygen cylinder assembly 1 is fixed in the passenger oxygen mask box 5 through a clamp.

[0007] Further, the electromagnetic latch 2 is fixed in the passenger oxygen mask box 5 through a screw.

[0008] Further, the oxygen supply control regulator 3 is fixed in the passenger oxygen mask box 5 through a support.

[0009] Further, a pressure sensor is arranged on the connecting pipeline of the oxygen supply control regulator 3 and the passenger oxygen mask 4.

[0010] Further, the oxygen supply control regulator 3 is provided with a height sensor for regulating the oxygen supply to the passenger oxygen mask 4 according to the height signal.

[0011] Further, the oxygen supply control regulator 3 has the functions of BIT self-checking, oxygen supply indication and ground upgrading maintenance.

[0012] Further, the oxygen supply control regulator 3 supplies oxygen to the passenger oxygen mask 4 through the adjustment of the electromagnetic valve.

[0013] Advantages: The product uses a decentralized oxygen bottle assembly as the oxygen source, and there is no safety hazard such as continuous heating. At the same time, the product adjusts the oxygen supply rate at different heights through the controller, reduces the weight and volume of the oxygen unit under the premise of ensuring the minimum physiological needs of passengers, and improves the safety of the equipment. At the same time, the equipment can realize continuous and reliable upgrading through BIT self-checking, ground software upgrading and other ways. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A schematic diagram of a decentralized electronic passenger emergency oxygen unit according to an embodiment of the present application; Figure 2 A structural diagram of a decentralized electronic passenger emergency oxygen unit according to an embodiment of the present application. DETAILED DESCRIPTION

[0015] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The described embodiments are part of the embodiments of the present application, not all of the embodiments of the present application. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. The embodiments of the present application will be described in detail below with reference to the drawings.

[0016] In the description of the present application, it should be understood that the terms "center", "axial", "vertical", "upper", "lower", "upper end", "bottom end", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the present application.

[0017] The application provides a stable and efficient oxygen supply device under a high-altitude and long-time flight descent profile, which can reduce the volume and weight of an oxygen unit and improve the safety of the oxygen unit under the premise of meeting the minimum physiological needs of passengers.

[0018] As Figure 1 and Figure 2 A decentralized electronic regulation passenger emergency oxygen unit comprises a decentralized oxygen cylinder assembly 1, an electromagnetic latch 2, an oxygen supply control regulator 3, a passenger oxygen mask 4 and a passenger oxygen mask box 5, wherein the decentralized oxygen cylinder assembly 1, the electromagnetic latch 2 and the oxygen supply control regulator 3 are fixed in the passenger oxygen mask box 5, the decentralized oxygen cylinder assembly 1 is connected with the oxygen supply control regulator 3 through a pipeline, the oxygen control regulator 3 is connected with the passenger oxygen mask 4 through a pipeline, and the oxygen supply control regulator 3 is connected with the electromagnetic latch 2 through a cable; the switch of the electromagnetic latch 2 is used for controlling a small door of the passenger oxygen mask box 5, and the passenger oxygen mask 4 is thrown after the small door is opened; a tether is arranged on the passenger oxygen mask 4 and connected with the decentralized oxygen cylinder assembly 1, and is used for triggering the decentralized oxygen cylinder assembly 1; the oxygen supply control regulator 3 is electrically connected with an on-board throwing control circuit, an on-board BIT module and an on-board avionics system, and is used for controlling the oxygen supply to the passenger oxygen mask 4 according to on-board signals.

[0019] In a possible embodiment, the decentralized oxygen cylinder assembly 1 is fixed in the passenger oxygen mask box 5 through a clamp.

[0020] In a possible embodiment, the electromagnetic latch 2 is fixed in the passenger oxygen mask box 5 through a screw.

[0021] In a possible embodiment, the oxygen supply control regulator 3 is fixed in the passenger oxygen mask box 5 through a support.

[0022] In a possible embodiment, a pressure sensor is arranged on the connecting pipeline of the oxygen supply control regulator 3 and the passenger oxygen mask 4.

[0023] In a possible embodiment, a height sensor is arranged on the oxygen supply control regulator 3, and is used for regulating the oxygen supply to the passenger oxygen mask 4 according to a height signal.

[0024] In a possible embodiment, the oxygen supply control regulator 3 has BIT self-checking, oxygen supply indication and ground upgrading and maintenance functions.

[0025] In a possible embodiment, the oxygen supply control regulator 3 supplies oxygen to the passenger oxygen mask 4 through the adjustment of an electromagnetic valve.

[0026] The present application considers the safety of the product, adopts a decentralized oxygen cylinder assembly as an oxygen source, and avoids the safety hazards caused by high temperature and long time heating. In addition, the decentralized electronic regulation passenger emergency oxygen unit can realize BIT self-checking function in multiple modes, and improve the reliability of the product. In order to reduce the overall weight of the passenger oxygen unit, the device adopts a servo oxygen supply mode, supplies oxygen according to the individual breathing frequency, verifies through physiological test that the device can meet the minimum physiological needs of the human body, improves the oxygen supply efficiency through electronic regulation control servo oxygen supply, reduces oxygen waste, so as to achieve the purpose of reducing the weight and size of the device.

[0027] The working principle of the present application is that the product cooperates with the power supply module, BIT module and avionics module on the airplane. When the oxygen supply control regulator 3 receives the on-board altitude pressure switch signal, it starts to supply power to the electromagnetic latch 2, and the power is cut off after 5s. After the electromagnetic latch 2 is powered on, the small door of the passenger oxygen mask box 5 is opened, and the passenger oxygen mask 4 is thrown down. After the passenger wears the passenger oxygen mask 4, the stay rope is pulled, the decentralized oxygen cylinder assembly 1 is excited, and after the decentralized oxygen cylinder assembly 1 is excited, the reduced pressure oxygen is transmitted to the oxygen supply control regulator 4. The oxygen supply control regulator 3 starts to supply oxygen according to the oxygen supply amount requirement marked by the physiological test, and when the oxygen supply control regulator 3 senses the existence of negative pressure in the passenger oxygen mask 4, according to the height measured by the height sensor on the oxygen supply control regulator 3, a corresponding amount of oxygen is supplied, and then the valve is closed until the next negative pressure is sensed.

[0028] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A decentralized electronic-regulated passenger emergency oxygen unit, characterized in that, The utility model relates to a kind of oxygen cylinder assembly, electromagnetic latch, oxygen supply control regulator, passenger oxygen mask, passenger oxygen mask box, wherein, The oxygen cylinder assembly, the electromagnetic latch and the oxygen supply control regulator are fixed in the passenger oxygen mask box, the oxygen cylinder assembly is connected with the oxygen supply control regulator by pipeline, the oxygen supply control regulator is connected with the passenger oxygen mask by pipeline, and the oxygen supply control regulator is connected with the electromagnetic latch by cable connection control;The switch of the electromagnetic latch is used to control the small door of the passenger oxygen mask box, and the passenger oxygen mask is thrown after the small door is opened;The passenger oxygen mask is provided with a tether, and the tether is connected with the oxygen cylinder assembly, to trigger the oxygen cylinder assembly;The oxygen supply control regulator is electrically connected with on-board throw control circuit, on-board BIT module and on-board avionics system, to control the oxygen supply of the passenger oxygen mask according to on-board signal. The oxygen cylinder assembly is fixed in the passenger oxygen mask box by clamp.

2. The distributed electronically-regulated passenger emergency oxygen unit of claim 1, wherein, The electromagnetic latch is fixed in the passenger oxygen mask box by screw.

3. The distributed electronically-regulated passenger emergency oxygen unit of claim 1, wherein, The oxygen supply control regulator is fixed in the passenger oxygen mask box by support.

4. The distributed electronically-regulated passenger emergency oxygen unit of claim 1, wherein, The connecting pipeline of the oxygen supply control regulator and the passenger oxygen mask is provided with a pressure sensor.

5. The distributed electronically-regulated passenger emergency oxygen unit of claim 1, wherein, The oxygen supply control regulator is provided with a height sensor, to control the oxygen supply of the passenger oxygen mask according to height signal.

6. The distributed electronically-regulated passenger emergency oxygen unit of claim 1, wherein, The oxygen supply control regulator has BIT self-checking, oxygen supply indication and ground upgrading maintenance function.

7. The distributed electronically-regulated passenger emergency oxygen unit of claim 1, wherein, The oxygen supply control regulator supplies oxygen to the passenger oxygen mask through electromagnetic valve adjustment.

8. The distributed electronically-regulated passenger emergency oxygen unit of claim 1, wherein, ​

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