Fire control air respirator

Technical field of fire air breathing apparatus

[0001] The present utility model relates to the field of fire fighting equipment, in particular to a fire air respirator.

Background technique

[0002] my country's "Code for Fire Protection Design of High-Rise Civil Buildings" classifies residential buildings with 10 floors and above, and public buildings and comprehensive buildings with a height of more than 24m as high-rise buildings; buildings with a height of 100 meters or more are generally referred to in the world. It is called a super high-rise building. With the rapid development of my country's economic construction, the process of urbanization continues to accelerate, and high-rise buildings continue to emerge.

[0003] For a long time, high-rise building fire fighting has been an international fire fighting problem. High-rise building fires often have the characteristics of rapid fire spread, large-space three-dimensional fires, difficulty in evacuation, and difficulty in fighting. Due to the constraints of the existing fire-fighting equipment and the difficulty of evacuation during the fire, the current firefighters still focus on internal attacks when dealing with high-rise building fires. A large number of combustible decoration and thermal insulation materials used inside and outside high-rise buildings will generate high temperature and toxic gas after a fire, which will pose a serious threat to the life safety of trapped personnel and firefighters. Therefore, firefighters are conducting high-rise building fire-fighting and rescue When attacking internally, wear a positive pressure fire-fighting air respirator as respiratory protective equipment.

[0004] In recent years, some high-rise building fire accident scenes have exposed the shortcomings of inadequate breathing protection for firefighters, which not only affects the fighting efficiency of firefighting forces, but also restricts firefighters ability to perform search and rescue in fires or accident scenes, and even Affect the life safety of firefighters. For example, on February 9, 2009, a firefighter died in the fire at the annex building of CCTVs new site because of insufficient respiratory protection. As the situation of firefighting and rescue of high-rise buildings in our country becomes more and more severe, the task of firefighting and rescue is becoming more and more complicated, which poses new challenges for firefighters' respiratory protective equipment.

[0005] Existing problems of existing fire-fighting air respirators:

[0006] The functions of the currently equipped air breathing apparatus cannot fully meet the requirements of complex fire fighting and rescue missions. At present, domestically-made air respirators mostly display the pressure of the gas cylinders by mechanical meters, and cannot directly display the remaining air volume of the air respirators. Firefighters dont know how long the air breathing apparatus can continue to be used. There are phenomena such as entering the fire scene too deep and running out of gas, leading to casualties, or stage fright due to bottomlessness; the fire commander is not clear about the actual air breathing apparatus worn by the firefighters in the fire scene. Usage conditions: The voice communication between firefighters and the outside world is not smooth, and there is a phenomenon that firefighters open their masks for communication to cause air leakage, which reduces the actual use time of air respirators. 3. Lack of other respiratory protective equipment. Due to the difficulty of evacuation, there are often many trapped people in the fire fighting and rescue process of high-rise buildings. In order to rescue the trapped people, many firefighters take off their positive pressure fire-fighting air breathing apparatus masks to the trapped people. In this November 15 fire, many firefighters gave up air breathing apparatus to the trapped people in order to rescue the trapped people, covering their mouths and noses with wet towels. However, this not only shortens the actual use time of the air respirator, but also shortens the overall respiratory protection time of the rescuer, and cannot guarantee the personal safety of the rescuer and the trapped. The martyr Zhang Jianyong died in the fire at the annex building of CCTVs new site on February 9, 2009, in order to rescue the trapped people and let the air breathing apparatus be used by the masses. This caused him to die due to insufficient respiratory protection.

Utility model content

[0007] The present utility model aims to solve the above-mentioned problems, and provides a fire-fighting air breathing apparatus that can be digitally displayed, is more comfortable to use, and can communicate easily between rescuers. The technical scheme of the utility model is: a fire-fighting air breathing apparatus, comprising a face mask assembly, an air supply tube, a back support assembly and a gas cylinder, and is characterized in that: the top of the face mask assembly is provided with a transmitter,

The face mask assembly is located at the mouth of the user and is provided with a sound collector. The sound collector is connected to the transmitter on the inner wall of the mask through a data cable; the back support assembly is provided with multiple ergonomic notches, and the left and right edges of the back support assembly are respectively provided with left and right edges. Side shoulder pads and right shoulder pads. The material of the back support assembly is nylon cotton fireproof cloth. The air supply pipe is fixed to the left shoulder pad through the left shoulder strap attachment strip. The left shoulder pad is connected to the back through the left shoulder strap. The left shoulder pad is connected with a digital display on the outer surface of the end, the digital display is connected with the air pressure sensor, the right shoulder pad is connected with the back support assembly through the right shoulder strap, and the right shoulder pad is equipped with a receiver and The speaker, the receiver is connected to the speaker, and the back support assembly is set close to the waist of the user; the air supply pipe is connected to the gas cylinder, and an air flow reversing valve is arranged in between. The air flow reversing valve is connected to the first air supply port, and the first air supply The port is connected with the left shoulder pad through the back air supply pipe, and the second air supply port of the air flow reversing valve.

[0008] Further, the transmitter uses RFID technology.

[0009] Further, the receiver uses RFID technology.

[0010] Beneficial effects:

[0011] By designing the ergonomic gap, the utility model reduces the overall weight of the fire air respirator on the one hand, and on the other hand, it is more convenient for heat dissipation, and the design is more ergonomic, which improves the comfort and fit of the air respirator. , Reduce the physical load of firefighters, reduce the burden of firefighters, and extend the use time of air breathing apparatus.

[0012] The utility model is equipped with an electronic display, so that firefighters can intuitively understand the working conditions of the air respirator and the continuous use time, and enhance the safety of the use of the air respirator.

[0013] This utility model is designed with speakers and sound collectors, firefighters do not need to take off their masks, they can complete the communication between rescuers, enhance the voice communication between firefighters, and reduce the number of firefighters to open for communication. The mask talks and causes air leakage.

[0014] The present utility model is provided with a second air supply port. When rescuers encounter trapped people who need to breathe in a crisis place, they can connect to the second air supply port so that firefighters do not need to take off their own air to breathe. The mask can extend the breathing protection time of firefighters and the trapped people at the same time, and protect the lives of firefighters and rescued persons.

Description of the drawings

[0015] Figure 1 is a structural diagram of the utility model;

[0016] With reference to Figure 1, the specific reference signs of the utility model are as follows:

[0017] 1-Transmitter, 2-mask assembly, 3-sound collector, 4-left shoulder pad, 5-left shoulder strap attachment, 6-digital display, 7-ergonomic notch, 8-left Side shoulder strap, 9-back support assembly, 10-belt, 11-cylinder, 12-second air supply port, 13 air flow reversing valve, 14-first air supply port, 15-right shoulder strap, 16-speaker, 17-receiver, 18-right shoulder pad, 19-supply pipe.

Detailed ways

[0018] With reference to Figure 1, the specific implementation of the utility model is:

[0019] A fire-fighting air breathing apparatus, including a mask assembly 2, an air supply pipe 19, a back support assembly 9 and a gas cylinder 11, characterized in that: the top of the mask assembly 2 is provided with a transmitter 1, and the mask assembly 2 is located A sound collector 3 is set at the position of the users mouth, and the sound collector 3 is connected to the transmitter 1 on the inner wall of the mask through a data cable; the back support assembly 9 is provided with a plurality of ergonomic notches 7, and the left and right edges of the back support assembly 9 are respectively Set the left shoulder pad 4 and the right shoulder pad 18, the material of the back support assembly 9 is nylon cotton fireproof cloth, the air supply pipe 19 is fixed on the left shoulder pad 4 through the left shoulder strap additional strip 5, and the left side The shoulder pad 4 is connected to the back support assembly 9 through the left shoulder strap 8. The outer surface of the left shoulder pad 4 is provided with a digital display 6, a digital display 6 and an air pressure sensor

Connected, the right shoulder pad 18 is connected to the back support assembly 9 through the right shoulder strap 15, a receiver 17 and a speaker 16 are arranged at the end of the right shoulder pad 18, and the receiver 17 is connected to the speaker 16, and the back support assembly is close to the user The waist is provided with a belt 10; the air supply pipe 19 is connected to the gas cylinder 11, and an air flow reversing valve 13 is provided therebetween. The air reversing valve 13 is connected to the first air supply port 14, and the first air supply port 14 is connected to the air supply pipe 19 through the back The left shoulder pad 4 is connected, and the air flow reversing valve 13 is connected to the second air supply port 12.

[0020] Further, the transmitter 1 uses RFID technology.

[0021] Further, the receiver 17 uses RFID technology.

[0022] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the industry should understand that the present utility model is not limited by the above-mentioned embodiments. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements. These changes and improvements are all It falls within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.