CN217673235U

CN217673235U - Fuselage ventilation device for helicopter

Info

Publication number: CN217673235U
Application number: CN202221312754.7U
Authority: CN
Inventors: 孙志武
Original assignee: Shanghai Zhehang Helicopter Technology Co Ltd
Current assignee: Shanghai Zhehang Helicopter Technology Co Ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-10-28
Anticipated expiration: 2032-05-17

Abstract

The utility model belongs to the technical field of the helicopter structure, a fuselage ventilation unit for helicopter is specifically disclosed, include: a ventilation duct; mixing mechanism admits air, including mixing chamber, cold wind pipe and hot-blast main, admission control mechanism includes vent and movable plate, temperature control mechanism includes heat exchanger and rotor plate, actuating mechanism includes fan, electric telescopic handle, motor and rotation axis, the utility model discloses an adjustable formula air inlet structure who sets up can carry out convenient regulation to the ventilation hole size through electric telescopic handle, is convenient for control the temperature that gets into the cabin air, improves inside travelling comfort, can carry out effective control to mixing the temperature through the multilayer structure cooperation temperature sensor who sets up, avoids the air that enters the cabin overheated or the subcooling.

Description

Fuselage ventilation device for helicopter

Technical Field

The utility model relates to a fuselage ventilation unit for helicopter belongs to helicopter technical field.

Background

The helicopter is one of the unique creations of 20 th century aviation technology, and the application range of the aircraft is greatly expanded. The helicopter is a typical dual-purpose product for military and civilian use, and can be widely applied to multiple fields of transportation, patrol, travel, rescue and the like. The maximum speed per hour of the helicopter can reach more than 300km/h, the diving limit speed is close to 400km/h, the practical lifting limit can reach 6000 meters (the world record is 12450 m), and the general voyage can reach about 600-800 km. The transition range of the portable internal and external auxiliary fuel tanks can reach more than 2000 km. The helicopter has different takeoff weights according to different requirements.

Most of existing helicopter body ventilation devices are simple in structure, and the simple ventilation hole structure is used for ventilating the equipment cabin, so that the temperature of the equipment cabin is reduced. However, due to different environmental temperatures, the temperature of the equipment cabin is too high or the temperature of the cockpit communicated with the equipment cabin is too low because the air intake cannot be adjusted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fuselage ventilation unit for helicopter solves the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fuselage ventilation arrangement for a helicopter, comprising:

a ventilation duct;

air inlet mixing mechanism comprises a mixing chamber, a cold air pipe and a hot air pipe, wherein the mixing chamber is arranged at one end of an air pipeline, one end of the cold air pipe and one end of the hot air pipe are connected with the mixing chamber, the other end of the cold air pipe and the other end of the hot air pipe are connected with the atmosphere, and the hot air pipe is arranged adjacent to an engine

The air inlet control mechanism comprises a ventilation opening and a movable plate, the ventilation opening is arranged at the tail end of the cold air pipe, and the movable plate is arranged on the ventilation opening

The temperature control mechanism comprises a heat exchanger and a rotating plate, the heat exchanger penetrates through the hot air pipe and is arranged on the hot air pipe, and the rotating plate is arranged inside the ventilation pipeline

Actuating mechanism, actuating mechanism includes fan, electric telescopic handle, motor and rotation axis, the fan sets up in cold-blast main and hot-blast main one end, electric telescopic handle sets up in the vent side, electric telescopic handle end and movable plate fixed connection, the motor sets up at cold-blast main and air pipe outer wall.

Preferably, the air inlet control mechanism comprises an exhaust pipe, and the exhaust pipe is arranged adjacent to the cold air pipe.

Preferably, the temperature control mechanism further comprises an adjusting plate and a temperature sensor, the adjusting plate is arranged on the connecting side of the exhaust pipe and the cold air pipe, and the temperature sensor is arranged at the bottom end of the exhaust pipe.

Preferably, two surfaces of the adjusting plate are respectively arranged in the exhaust pipe and the cold air pipe, and the area of the adjusting plate is the same as the aperture of the exhaust pipe and the aperture of the cold air pipe.

Preferably, the rotating shaft is respectively arranged in the adjusting plate and the rotating plate, and one end of the rotating shaft is arranged on the output shaft of the motor.

Preferably, the bottom end of the cold air pipe is connected with the top end of the exhaust pipe, and the tail end of the ventilation pipeline is arranged inside the helicopter cabin.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model belongs to the technical field of the helicopter structure, specifically disclose a fuselage ventilation unit for helicopter, the utility model discloses a regulation formula inlet structure that sets up can carry out convenient regulation to the ventilation hole size through electric telescopic rod, and the control of being convenient for gets into the temperature of passenger cabin air, improves inside travelling comfort, can carry out effective control to mixing temperature through the multilayer structure cooperation temperature sensor who sets up, avoids entering the air in the passenger cabin overheated or the subcooling.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic view of the internal structure of the cooling air duct of the present invention;

FIG. 3 is a schematic view of the structure of the cooling air pipe of the present invention;

in the figure: 1. a ventilation duct; 2. an intake air mixing mechanism; 201. a mixing chamber; 202. a cold air pipe; 203. a hot air pipe; 3. an intake control mechanism; 301. a vent; 302. an exhaust pipe; 303. moving the plate; 4. a temperature control mechanism; 401. a heat exchanger; 402. a rotating plate; 403. an adjusting plate; 404. a temperature sensor; 5. a drive mechanism; 501. an electric telescopic rod; 502. a motor; 503. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, example 1:

the method comprises the following steps: a ventilation duct 1; the air inlet mixing mechanism 2 comprises a mixing chamber 201, a cold air pipe 202 and a hot air pipe 203, wherein the mixing chamber 201 is arranged at one end of a ventilation pipeline 1, one ends of the cold air pipe 202 and the hot air pipe 203 are connected with the mixing chamber 201, the other ends of the cold air pipe 202 and the hot air pipe 203 are connected with the atmosphere, and the hot air pipe 203 is arranged adjacent to the engine; the air inlet control mechanism 3 comprises a vent 301 and a moving plate 303, wherein the vent 301 is arranged at the tail end of the cold air pipe 202, and the moving plate 303 is arranged on the vent 301; the temperature control mechanism 4 comprises a heat exchanger 401 and a rotating plate 402, wherein the heat exchanger 401 passes through the hot air duct 203 and is arranged on the hot air duct 203, and the rotating plate 402 is arranged inside the ventilation duct 1; the driving mechanism 5 comprises a fan, an electric telescopic rod 501, a motor 502 and a rotating shaft 503, the fan is arranged at one end of the cold air pipe 202 and one end of the hot air pipe 203, the electric telescopic rod 501 is arranged on the side surface of the ventilation opening 301, the tail end of the electric telescopic rod 501 is fixedly connected with the moving plate 303, and the motor 502 is arranged on the outer walls of the cold air pipe 202 and the ventilation duct 1; the bottom end of the cold air pipe 202 is connected with the top end of the exhaust pipe 302, and the tail end of the ventilation pipeline 1 is arranged in a cabin of a helicopter;

when the air conditioner is used, the fan is started, air is introduced into the cold air pipe 202 and the hot air pipe 203, outside air enters the hot air pipe 203 and then contacts the heat exchanger 401, the heat exchanger 401 transfers heat generated by the operation of an engine to the inside of the hot air pipe 203, the air is heated to form hot air, the hot air and the cold air move to the mixing chamber 201, the rotating plate 402 is opened after the heat of the mixed air is adjusted to be within a set range, the mixed air is introduced into a cabin of a helicopter, and the inside of the cabin is ventilated;

example 2:

compared to embodiment 1, the intake control mechanism 3 of embodiment 2 includes an exhaust pipe 302, and the exhaust pipe 302 is disposed adjacent to the cold air pipe 202; the temperature control mechanism 4 further comprises an adjusting plate 403 and a temperature sensor 404, wherein the adjusting plate 403 is arranged on the connecting side of the exhaust pipe 302 and the cold air pipe 202, and the temperature sensor 404 is arranged at the bottom end of the exhaust pipe 302; two surfaces of the adjusting plate 403 are respectively arranged in the exhaust pipe 302 and the cold air pipe 202, and the area of the adjusting plate 403 is the same as the aperture of the exhaust pipe 302 and the aperture of the cold air pipe 202; a rotating shaft 503 is respectively arranged in the adjusting plate 403 and the rotating plate 402, one end of the rotating shaft 503 is arranged on the output shaft of the motor 502;

in the using process, the adjusting plate 403 can control the opening and closing of the exhaust pipe 302, when the adjusting plate 403 opens the exhaust pipe 302, the adjusting plate 403 closes the channel between the cold air pipe 202 and the exhaust pipe 302, cold air and hot air respectively enter the mixing chamber 201 through the cold air pipe 202 and the hot air pipe 203, mixed gas is formed and then is exhausted from the exhaust pipe 302, in the exhausting process, the temperature sensor 404 monitors the temperature of the mixed gas in real time, when the temperature is in a set range, the adjusting plate 403 rotates under the driving of the motor 502 and seals the exhaust pipe 302, meanwhile, the rotating plate 402 opens the ventilation pipeline 1, the temperature of the mixed gas formed by the cold air and the hot air with unchanged flow is still in the set range, and the mixed gas is guided into the cabin through the ventilation pipeline 1 to ventilate the inside.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fuselage ventilation device for a helicopter, characterized in that: the method comprises the following steps:

a ventilation duct (1);

the air inlet mixing mechanism (2) comprises a mixing chamber (201), a cold air pipe (202) and a hot air pipe (203), wherein the mixing chamber (201) is arranged at one end of a ventilation pipeline (1), one ends of the cold air pipe (202) and the hot air pipe (203) are mutually connected with the mixing chamber (201), the other ends of the cold air pipe (202) and the hot air pipe (203) are mutually connected with the atmosphere, and the hot air pipe (203) is arranged adjacent to an engine;

the air inlet control mechanism (3), the air inlet control mechanism (3) comprises a ventilation opening (301) and a moving plate (303), the ventilation opening (301) is arranged at the tail end of the cold air pipe (202), and the moving plate (303) is arranged on the ventilation opening (301);

the temperature control mechanism (4), the said temperature control mechanism (4) includes heat exchanger (401) and rotary plate (402), the said heat exchanger (401) crosses the hot-blast main (203) to set in hot-blast main (203), the said rotary plate (402) is set in ventilating duct (1);

actuating mechanism (5), actuating mechanism (5) include fan, electric telescopic handle (501), motor (502) and rotation axis (503), the fan sets up in cold-blast main (202) and hot-blast main (203) one end, electric telescopic handle (501) set up in vent (301) side, electric telescopic handle (501) end and movable plate (303) fixed connection, motor (502) set up at cold-blast main (202) and air pipe (1) outer wall.

2. A fuselage ventilation arrangement for a helicopter as claimed in claim 1, characterized in that: the air inlet control mechanism (3) comprises an exhaust pipe (302), and the exhaust pipe (302) is arranged adjacent to the cold air pipe (202).

3. A fuselage ventilation arrangement for a helicopter of claim 1, wherein: temperature control mechanism (4) still include regulating plate (403) and temperature sensor (404), regulating plate (403) set up in blast pipe (302) and cold-blast pipe (202) side of being connected, temperature sensor (404) set up in blast pipe (302) bottom.

4. A fuselage ventilation arrangement for a helicopter as claimed in claim 3, characterized in that: the two sides of the adjusting plate (403) are respectively arranged in the exhaust pipe (302) and the cold air pipe (202), and the area of the adjusting plate (403) is the same as the aperture of the exhaust pipe (302) and the aperture of the cold air pipe (202).

5. A fuselage ventilation arrangement for a helicopter as claimed in claim 1, characterized in that: the rotating shaft (503) is respectively arranged in the adjusting plate (403) and the rotating plate (402), and one end of the rotating shaft (503) is arranged on an output shaft of the motor (502).

6. A fuselage ventilation arrangement for a helicopter as claimed in claim 1, characterized in that: the bottom end of the cold air pipe (202) is connected with the top end of the exhaust pipe (302), and the tail end of the ventilation pipeline (1) is arranged inside a cabin of the helicopter.