CN112806663A

CN112806663A - Airtight ventilation helmet of pilot

Info

Publication number: CN112806663A
Application number: CN202110012906.5A
Authority: CN
Inventors: 徐冰睿
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-05-18

Abstract

The invention discloses a closed ventilation helmet for pilots, which comprises a helmet shell, a face window, a buffer layer and a ventilation layer, wherein the bottom of the helmet shell is provided with a neck opening through which the head of the helmet shell passes, the part of the helmet shell corresponding to the face of a human body is provided with a face window installation opening, the tail of the helmet shell is communicated with a ventilation pipe, and the other end of the ventilation pipe is connected with an air source; the face window is positioned at the position of the face window mounting opening and is hinged to the outer side of the helmet shell; the buffer layer is fixed on the inner side of the helmet shell and is matched with the helmet shell in shape; the ventilation layer comprises an inner layer and an outer layer, the outer layer is fixedly arranged on the inner side of the buffer layer, the inner layer and the outer layer are supported through a supporting structure, so that a ventilation channel is formed between the inner layer and the outer layer, and the ventilation channel is communicated with the ventilation pipe; a plurality of exhaust holes are formed in the inner layer and the outer layer; the helmet shell is provided with an exhaust one-way valve. According to the airtight ventilation helmet for the pilot disclosed by the invention, when the cabin loses air tightness, the air source on the carrier-based aircraft provides wind power for the helmet, and the heat stress of the pilot is relieved by cooling the head.

Description

Airtight ventilation helmet of pilot

Technical Field

The invention relates to the technical field of helmets, in particular to a closed ventilation helmet for pilots.

Background

At present, the modern fighter plane flies at the high altitude of more than 20 kilometers, the environment is very dangerous, and a pilot needs to wear a high altitude closed helmet and a high altitude compensation clothes to avoid the harm of the severe environment to the health and the life of the pilot.

Heat stress refers to the sum of the non-specific physiological responses of the body at high ambient temperatures to any requirements the body imposes on the thermal environment. The physiological reaction of human body in heat stress is under the environment of temperature stress, the normal heat balance is destroyed, and a series of complex physiological and psychological changes are generated by the human body. Whether human or animal, the body functions are affected by heat stress. Heat stress is the sum of the non-specific responses of a human or animal to stimuli of excessive temperature that exceed their thermoregulatory capacity.

The pilots can generate serious heat stress during flying, the heads of the pilots can also generate more heat, the cognition and the fighting efficiency of the pilots are influenced, and even the life safety of the pilots is threatened. Therefore, it is necessary to design a thermal comfort tight helmet for pilots, which can ensure the flight safety and lifesaving of pilots when the cockpit loses air tightness at large altitude.

Therefore, how to provide an airtight ventilation helmet for pilots is a problem which needs to be solved urgently by the technical personnel in the field.

Disclosure of Invention

In view of the above, the invention provides a closed ventilation helmet for pilots, which can effectively relieve the heat stress of pilots and ensure the flight safety and lifesaving of pilots when the cockpits in large altitudes lose airtightness.

In order to achieve the purpose, the invention adopts the following technical scheme:

a closed ventilation helmet for pilots comprises a helmet shell, a face window, a buffer layer and a ventilation layer, wherein a neck opening through which a head passes is formed in the bottom of the helmet shell, a face window installation opening is formed in a position corresponding to the head and the face, a ventilation pipe is communicated with the lower end of the back of the head, and the other end of the ventilation pipe is connected with an air source; the face window is positioned at the position of the face window mounting opening and is hinged to the outer side of the helmet shell; the buffer layer is fixed on the inner side of the helmet shell and is matched with the helmet shell in shape; the ventilation layer comprises an inner layer and an outer layer, the outer layer is fixedly arranged on the inner side of the buffer layer, a ventilation channel is formed between the inner layer and the outer layer through the support structure support, and the ventilation channel is communicated with the ventilation pipe; a plurality of exhaust holes are formed in the inner layer and the outer layer; the helmet shell is provided with an exhaust one-way valve.

According to the closed ventilation helmet for the pilot, the ventilation layer is designed, the ventilation channel is connected with the air source, when the cabin loses air tightness, the air source on the carrier-based aircraft provides wind power for the interior of the helmet, the head is cooled, and the lung and the head can be immediately pressurized and supplied with oxygen, so that the heat stress of the pilot is effectively relieved; and the buffer layer covers by a large area, thereby effectively improving the safety protection of the pilot, reducing the damage caused by collision and the like, and further ensuring the flight safety of the pilot.

Preferably, the ventilation pipe is communicated with the air source through the quick connector, so that the ventilation pipe can be quickly disconnected from the air source.

Preferably, one end of the quick connector is provided with an external thread, and the other end of the quick connector is provided with an inverted J-shaped quick connector. The end part of the ventilation pipe is provided with internal threads, the quick connector is in threaded connection with the ventilation pipe, and the inverted J-shaped quick connector at the other end is in quick disconnection with an air source.

Preferably, the diameter of the quick connector is 8-12mm and is communicated with a ventilation suit or an airplane air source.

Preferably, the ventilation pipe is provided with a regulating valve for regulating ventilation quantity.

Preferably, the face window with be equipped with the draw-in groove between the helmet shell, install the face window ventilation pipe in the draw-in groove, the ventilation layer is connected to the one end of face window ventilation pipe, and the inboard is equipped with the ventilation hole, just the direction in ventilation hole is just right the face window. The ventilation hole drill way direction is just to the face window, and the face is worn into and is ventilated and just can be detached fog, and is simple reliable, has replaced cladding material defogging technique in the past, and moreover, human different position positions position is different to cooling gas's perception travelling comfort, and the head is more sensitive and direct to the impression of temperature, blows cold wind to the head and can improve pilot's thermal comfort.

Preferably, the visor is hinged to the helmet shell by a rotating ring. The rotary ring can be adjusted automatically and manually, and the safety performance of the rotary ring is enhanced. And a filter lens is arranged on the outer side of the face window. The light transmittance of the filter is about 5%, and the filter can filter ultraviolet rays and prevent high-altitude ultraviolet radiation.

Preferably, a communication device is installed on the helmet shell, a communication interface is arranged on the outer side of the helmet shell, and the communication device is in wireless communication connection with the communication interface. Wireless transmission may be more convenient.

Preferably, the support structure is a mesh structure made of a plurality of spacers or a tubular woven material in a honeycomb shape. The gasket or the net-shaped structure can well support the inner layer and the outer layer, so that the inner layer and the outer layer form a smooth ventilation channel; the composition of the gasket effectively reduces the flow resistance.

Preferably, the helmet shell is made of polycarbonate. Has higher impact toughness and higher strength than glass fiber reinforced plastics.

According to the technical scheme, compared with the prior art, the invention discloses the closed ventilation helmet for the pilot, the ventilation layer can effectively relieve the heat stress of the pilot, the large coverage area of the buffer layer effectively improves the safety protection of the pilot, and reduces the damage caused by collision; and the communication is more convenient and faster by adopting wireless transmission.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a helmet provided by the present invention.

Fig. 2 is a side view of a helmet provided by the present invention.

Fig. 3 is a schematic structural diagram of the quick connector provided by the present invention.

Fig. 4 is a cross-sectional view of a quick connector according to the present invention.

Fig. 5 is a schematic structural view of a ventilation layer provided by the present invention.

Fig. 6 is a cross-sectional view of a ventilation layer provided by the present invention.

Fig. 7 is a schematic structural view of a face window vent pipe provided by the present invention.

Wherein the reference symbols are:

1-helmet shell, 2-face window, 3-buffer layer, 4-ventilation layer, 5-neck opening, 6-ventilation pipe, 7-quick connector, 8-communication device, 9-communication interface, 10-gasket, 11-rotary ring, 12-face window ventilation pipe and 121-connector; 41-inner layer, 42-outer layer, 43-ventilation channel, 44-exhaust hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the embodiment of the invention discloses a closed ventilation helmet for pilots, which comprises a helmet shell 1, a face window 2, a buffer layer 3 and a ventilation layer 4, wherein the bottom of the helmet shell 1 is provided with a neck opening 5 for the head to pass through, the part corresponding to the face of a human body is provided with a face window mounting opening, the tail part of the helmet shell is communicated with a ventilation pipe 6, and the other end of the ventilation pipe 6 is connected with an air source; the face window 2 is positioned at the position of the face window mounting opening and is hinged to the outer side of the helmet shell 1; the buffer layer 3 is fixed on the inner side of the helmet shell 1, the shape of the buffer layer is matched with that of the helmet shell 1, and the buffer layer 3 is fixedly connected with the inner side of the helmet shell 1 through screws and glue; as shown in fig. 5-6, the ventilation layer 4 comprises an inner layer 41 and an outer layer 42, the outer layer 42 is fixedly arranged on the inner side of the buffer layer 3, and is usually bonded by glue; the inner layer 41 and the outer layer 42 are supported by a supporting structure, so that a ventilation channel 43 is arranged between the inner layer and the outer layer, and the ventilation channel 43 is communicated with the ventilation pipe 6; a plurality of exhaust holes 44 are formed in the inner layer 41 and the outer layer 42; the ventilation channel 43 is distributed over the whole area of the head, and air is supplied to the head along the ventilation channel 43, and the helmet shell 1 has an exhaust check valve through which air is exhausted to the outside.

Specifically, the vent tube 6 is in communication with an air supply via a quick-connect coupling 7. The helmet shell 1 is provided with a communication device 8, the outer side of the helmet shell is provided with a communication interface 9, and the communication device 8 is in wireless communication connection with the communication interface 9. The communication can be more convenient and faster by adopting wireless transmission.

As shown in fig. 3-4, one end of the quick connector 7 is provided with an external thread, and the other end is provided with an inverted J-shaped quick connector. Usually, the diameter of the quick connector 7 is 8-12mm, and is communicated with a ventilation suit or an airplane air source. Moreover, a regulating valve for regulating the ventilation amount is attached to the ventilation pipe 6.

As shown in fig. 2, the visor 2 is hinged to the helmet shell 1 by a rotating ring. The filter lens is installed in the outside of face window 2, and filter lens luminousness is about 5%, and the face window can manually be adjusted, and the filter lens puts down before launching, and the protection face does not receive the harm of fast pressing, can filter ultraviolet radiation, prevents ultraviolet radiation.

As shown in fig. 6, the support structure is a plurality of pads 10 or a mesh structure. The composition of the gasket 10 effectively reduces the flow resistance.

The helmet shell 1 is made of polycarbonate materials, has high impact toughness and strength higher than that of glass fiber reinforced plastics, and improves safety coefficient.

As shown in fig. 1 and 7, a clamping groove is arranged between the face window 2 and the helmet shell 1, a face window ventilation pipe 12 is installed in the clamping groove, the detailed pipeline shape of the face window ventilation pipe 12 is shown as 7, a connecting port 121 of the face window ventilation pipe 12 is in threaded connection with the ventilation layer 4, a circular clamping groove is designed at the top of the face window 2 and the helmet shell 1, the face window ventilation pipe 12 is installed in the clamping groove, a ventilation hole is designed at the inner side of the face window ventilation pipe 12, and the direction of the ventilation hole is opposite to the face window 2; the port of the vent hole is opposite to the window, the connecting port 121 penetrates into the ventilation layer 4 to remove fog, the operation is simple and reliable, and cold air is blown to the head of a pilot to improve the thermal comfort of the pilot; the diameter of the vent hole is 2-3mm, and the distance between the small holes is 8-10 mm.

The application process of the airtight ventilation helmet for pilots disclosed by the embodiment of the invention comprises the following steps: when the cabin in the large height loses air tightness, the ventilation pipe 6 is quickly connected with a ventilation suit or an air source interface through the quick connection-peg 7, the ventilation pipe 6 is connected with the ventilation channel 43 in the middle of the ventilation layer 4, the ventilation channel 43 is distributed in the whole area of the head, air is conveyed to the head along the exhaust holes 44 of the inner layer 41 and the outer layer 42, and is used for cooling the head, relieving heat stress of the head and then is exhausted to the outside of the helmet through the exhaust check valve. The communication device 8 is in communication connection with the communication interface 9 through wireless transmission, and the use is more convenient.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The airtight ventilation helmet for the pilot is characterized by comprising a helmet shell (1), a face window (2), a buffer layer (3) and a ventilation layer (4), wherein a neck opening (5) for the head to pass through is formed in the bottom of the helmet shell (1), a face window installation opening is formed in the position corresponding to the head and the face, a ventilation pipe (6) is communicated with the lower end of the back of the head, and the other end of the ventilation pipe (6) is connected with an air source; the face window (2) is positioned at the position of the face window mounting opening and is hinged to the outer side of the helmet shell (1); the buffer layer (3) is fixed on the inner side of the helmet shell (1) and is matched with the helmet shell (1) in shape;

the ventilation layer (4) comprises an inner layer (41) and an outer layer (42), the outer layer (42) is fixedly arranged on the inner side of the buffer layer (3), a ventilation channel (43) is arranged between the inner layer (41) and the outer layer (42) through supporting structure support, and the ventilation channel (43) is communicated with the ventilation pipe (6); and a plurality of exhaust holes (44) are formed in the inner layer (41) and the outer layer (42).

2. A pilot containment ventilation helmet according to claim 1, characterized in that the ventilation tube (6) is connected to the air supply by means of a quick-connect coupling (7).

3. The helmet for closed ventilation of pilots as claimed in claim 2, wherein said quick connector (7) has an external thread at one end and an inverted J-shaped quick connector at the other end.

4. The helmet for closed ventilation of pilots as claimed in claim 2, characterized in that the diameter of said quick connector (7) is 8-12mm and is in communication with the ventilation suit or the aircraft air supply.

5. A pilot containment ventilation helmet according to claim 2, characterized in that the ventilation pipe (6) is fitted with a regulating valve for regulating the ventilation volume.

6. The closed ventilation helmet for pilots as claimed in claim 1, wherein a clamping groove is arranged between the face window (2) and the helmet shell (1), a face window ventilation pipe (12) is installed in the clamping groove, one end of the face window ventilation pipe (12) is connected with the ventilation layer (4), a ventilation hole is arranged on the inner side of the ventilation hole, and the direction of the ventilation hole is opposite to the face window (2).

7. Pilot containment ventilation helmet according to claim 6, characterized in that the visor (2) is hinged to the helmet shell (1) by means of a rotating ring (11) and that the outer side of the visor (2) is fitted with a light filter.

8. The closed ventilation helmet for pilots as claimed in claim 1, wherein the helmet shell (1) is provided with a communication device (8), and the outside of the helmet shell is provided with a communication interface (9), and the communication device (8) is in wireless communication connection with the communication interface (9).

9. A pilot containment ventilation helmet according to claim 1 wherein the support structure is a plurality of shims (10) or a mesh structure of woven plastic material in the form of a honeycomb tube.

10. The helmet as claimed in any of claims 1 to 9, wherein the helmet shell (1) is made of polycarbonate, and the inner layer (41) and the outer layer (42) are made of neoprene cloth.