An air breathing apparatus integrating head-up display and communication functions

Abstract

The invention relates to an air breathing device integrating a head-up display function and a communication function. The air breathing device comprises a backing tool, an air cylinder tightening belt is arranged on the upper middle portion of the backing tool, and a strap assembly is arranged on the lower portion of the backing tool. A sending end box of a head-up display device is arranged at the position, located in the middle of the strap assembly, of the lower portion of the backing tool, the sending end box comprises a left box body and a right box body, the backing tool is connected with a pressure reducer which is connected with a pressure reducer end medium pressure pipe, a duplex female rapid insert is connected between the pressure reducer end medium pressure pipe and the other end of an output line above the right box body, the duplex female rapid insert is in butt joint with a duplex male rapid insert which is connected with an air supply valve, the receiving display end of the head-up display device is arranged on the air supply valve, and the air supply valve is connected with a full face mask; a communication sound amplification device is arranged on the full face mask; the left box body is connected with the display device through a cable. The air breathing device reduces the weight of the communication full face mask, lines on the chest of a firefighter are simplified, the phenomenon that a hook and a line pipe intersect when the air breathing device is used is greatly avoided, the safety is improved, and the air breathing device is attractive and convenient to use.

Description

technical field [0001] The invention relates to an air respirator integrated with head-up display and communication functions, belonging to the technical field of fire-fighting backs. Background technique [0002] As respiratory protection equipment, positive pressure air respirators are widely used in various fields such as fire rescue, metallurgy, chemical industry, shipbuilding and military. The positive pressure air breathing apparatus is composed of a gas cylinder assembly, a pressure reducer, a mask, an air supply valve and a back plate assembly. When in use, first fill the high-pressure gas cylinder with 30Mpa compressed air, and then connect the high-pressure gas cylinder to the pressure reducer on the air respirator; when the valve of the gas cylinder is opened, the compressed air in the gas cylinder enters the pressure reducer first, After the first stage of decompression, it enters the air supply valve through the medium pressure pipe for secondary decompression,...

AI Technical Summary

Problems solved by technology

[0003] In the prior art, in the field of electronic air respirators, it mainly refers to the respirator with head-up display function, and the head-up display device can be divided into wired connection and wireless connection to connect the pressure sensor sending end with the receiving display end , while the wired connection method mostly adopts threaded connection, that is, when the air supply valve is connected with the medium pressure quick connector of the pressure reducer, the threaded aviation connector is used to connect together, which is time-consuming and inconvenient for firefighters to operate

[0004] At the same time, in the field of electronic air respirators, the communication device is an important content. Electronic air respirators often use a full-face mask with a communication amplification function. The mask is also equipped with a joint connected with the external PTT and the walkie-talkie, which increases the weight of the communication mask, and in addition to the original medium-pressure rubber tube of the air supply valve on the user's chest, there is another communication line. It is easy to be entangled and hooked in actual use, which affects the safety of users. The current connection structure between the air supply valve and the full face mask adopts a simple air circuit quick-plug structure, which has a single structure and cannot meet the existing needs. It is not easy to communicate externally, so it needs to be improved

[0005] The structure of the electronic signal sending end on the back of the currently used electronic air respirator is basically a single box structure, and most of them are powered by ordinary dry batteries, which are not easy to replace and cause serious waste. Some use lithium batteries but cannot be easily disassembled. Down to charge; there is no one that can be directly connected to PTT and walkie-talkie; often the wiring is not neat enough to cause inconvenience to use, and the left and right are asymmetrical, which is not beautiful enough. At present, all of them are single-box structure, with only one direction for emergency lights, firefighting Soldiers who are injured and fall often lie on their stomachs and are easily blocked by gas cylinders, so they can only be seen from one side, making it difficult for rescuers to find and search

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