CN115355588B

CN115355588B - Closed flight training simulation cabin air filter

Info

Publication number: CN115355588B
Application number: CN202211276240.5A
Authority: CN
Inventors: 郭浩彬; 杨实; 黄智豪; 王治宇; 苏剑飞; 吴坤永; 刘小东; 胡婕
Original assignee: Zhuhai Xiangyi Aviation Technology Co Ltd
Current assignee: Zhuhai Xiangyi Aviation Technology Co Ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-02-28
Anticipated expiration: 2042-10-19
Also published as: CN115355588A

Abstract

The application discloses an air filtering device of a closed flight training simulation cabin, and relates to the technical field of air filtering; wherein the cabin body is a closed simulation cabin; the moving assembly is fixedly connected to the outer bottom of the cabin body; the air purifier also comprises head-mounted VR equipment, a pipeline, an air inlet filtering component and an air exhaust filtering component; a gas flowing channel is arranged in the head-mounted VR equipment; the pipeline is communicated with the cabin and the head-mounted VR equipment; the air inlet filtering component is arranged in the pipeline and used for filtering external air and then conveying the air to the periphery of the head of a trainer, and an air curtain is formed at the mouth and nose of the trainer to prevent external air from entering; the exhaust filtering component is arranged in the pipeline and used for adsorbing air and impurities around the head of the trainee and discharging the air and the impurities outside the cabin; the air inlet filtering component and the air exhaust filtering component can form air circulation at the mouth and nose of the trainers; the realization is better to the air purification effect around training personnel's oronasal department, alleviates simultaneously that training personnel wear VR equipment for a long time and feels uncomfortable technological effect easily.

Description

Closed flight training simulation cabin air filter equipment

Technical Field

The invention relates to the technical field of air filtration, in particular to an air filtration device of a closed flight training simulation cabin.

Background

With the increasing maturity of VR technology, a large number of hardware devices are applied to various fields, and simulated driving training and simulated driving entertainment are important application fields of the VR technology, and by applying the VR technology, the immersion feeling of a simulator can be improved visually; however, only by using the VR technology, an operator cannot feel the body sensations such as acceleration, weightlessness and rolling caused by body movement, and cannot have more real simulation experience, and because the operator lacks the influence caused by the body sensation effect (the effects such as dizzy caused by rolling and the like), the operator also lacks the reality for driving training, and cannot make a trainer simulate the reaction in a real environment, so that the flight training simulation cabin needs to be matched for use, and in order to improve the training effect of training personnel and increase the sense of reality of training, the closed type flight training simulation cabin capable of isolating the external environment is mostly adopted at present.

Because the simulation cabin is a closed environment, the air circulation is slow, the carbon dioxide and dust content in the air in the cabin is high, the trainee is in the relatively closed environment for a long time, viruses and bacteria are frequently propagated and grown in large quantities, and respiratory tract infection is easily induced; training personnel is when training simultaneously, and the spirit highly concentrates, and long-time wearing uses wear to make wear-type VR equipment generate heat by head-mounted VR equipment, leads to face's oil production and sweat, and the weight of wear-type VR equipment also can make training personnel's neck portion feel uncomfortable, and above problem has increased training personnel's nervous mood and uncomfortable sense, has influenced the training effect.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the air filtering device of the closed flight training simulation cabin, so that the technical problems that the air purification effect around the mouth and the nose of a trainer is poor and the trainer is easy to feel uncomfortable after wearing VR equipment for a long time in the prior art are solved; the realization is better to the air purification effect around training personnel's oronasal department, alleviates simultaneously that training personnel wear VR equipment for a long time and feels uncomfortable technological effect easily.

The invention provides an air filtering device of a closed flight training simulation cabin, which comprises a cabin body and a movement assembly, wherein the cabin body is provided with a cabin body;

the cabin body is a closed simulation cabin;

the motion assembly is fixedly connected to the outer bottom of the cabin body;

the air purifier is characterized by further comprising head-mounted VR equipment, a pipeline, an air inlet filtering component and an air exhaust filtering component;

a gas flowing channel is arranged in the head-mounted VR equipment;

the pipeline is an elastic pipe for communicating the top of the surface of the cabin body with the head-mounted VR equipment, can provide tension for the head of a trainer, and is used for relieving the problem that the head and the cervical vertebra of the trainer are uncomfortable due to the fact that the trainer wears the VR equipment;

the air inlet filtering assembly is arranged in the pipeline, the top of the air inlet filtering assembly is connected with the top of the cabin body and is used for filtering external air and then conveying the filtered external air to the periphery of the head of a trainer, and an air curtain is formed around the mouth and the nose of the trainer to prevent external air from entering;

the exhaust filtering assembly is arranged inside the pipeline, the top of the exhaust filtering assembly is connected with the top of the cabin body, and the exhaust filtering assembly is used for adsorbing air and impurities around the head of the trainer and discharging the air and the impurities outside the cabin body;

the air inlet filtering component and the air exhaust filtering component can form air circulation around the mouth and the nose of the training personnel.

Preferably, the head-mounted VR device includes a frame, a display device, a ventilation block, a first fixing strap, and a second fixing strap;

the frame is of an annular frame structure and is used for bearing all parts in the head-mounted VR equipment;

the display equipment is a VR display screen and is fixed on one side of the frame, which is close to the eyes of the training personnel;

the ventilation block is positioned in the frame and fixedly connected to one side, away from eyes of a trainer, of the display device, a plurality of vertically arranged ventilation pipelines are arranged inside the ventilation block, an opening at the top of the ventilation block is communicated with the air inlet pipe, an opening at the bottom of the ventilation block faces to the mouth and nose of the trainer, the ventilation channels can enable air to pass through, and the heat productivity of the head-mounted VR device can be reduced through the passing air;

the first fixing belt is an arc-shaped gas pipe which is connected with the top of the ventilation block and the middle of the second fixing belt, and is internally provided with a support, so that an internal gas pipeline cannot deform when being extruded, and the gas conveying is not influenced;

the second fixed band is for establishing the arc gas pipe at frame near training person eye one side both ends, and there is the support inside, and inside gas piping can not warp when receiving the extrusion, guarantees that gaseous transport is not influenced.

Preferably, the air inlet filtering component comprises a first filtering layer, a second filtering layer, an air inlet motor, an air inlet pipe and an air equalizing plate;

the first filter layer is a fiber filter layer, and the top of the first filter layer is detachably connected to the top of the cabin body;

the second filter layer is a degerming filter layer, the top of the second filter layer is detachably connected to the bottom of the first filter layer, and the filter mesh diameter of the second filter layer is smaller than that of the first filter layer;

the air inlet motor is an axial flow fan, and a top air inlet is detachably connected with the bottom of the second filter layer;

the air inlet pipe is an elastic pipeline arranged in the pipeline, and the top of the air inlet pipe is fixedly connected with an air outlet at the bottom of the air inlet motor;

the air equalizing plate is a grid net fixedly connected to the bottom of the head-mounted VR equipment.

Preferably, the exhaust air filtering assembly comprises an exhaust air motor, an exhaust pipe, a first adsorption layer, a second adsorption layer and an exhaust outlet;

the air exhaust motor is an axial flow fan, and the air inlet end of the air exhaust motor is fixedly connected to the top of the pipeline;

the exhaust pipe is an elastic pipeline positioned in the pipeline;

the first adsorption layer is a fiber filtration layer;

the second adsorption layer is a degerming filter layer, the lower end face of the second adsorption layer is detachably connected with the upper end face of the first adsorption layer, the upper end face of the second adsorption layer is detachably connected with the bottom of the exhaust motor, and the diameter of the filter mesh of the second adsorption layer is smaller than that of the filter mesh of the first adsorption layer;

the air outlet is arranged on two sides of the second fixing belt close to the eyes.

Preferably, an air equalizing grid is arranged at the joint of the bottom of the air inlet pipe and the first fixing belt.

Preferably, the larger the movement of the training cabin movement assembly is, the larger the air inlet amount of the air inlet motor is, the smaller the movement of the training cabin movement assembly is, and the smaller the air supply amount of the air inlet motor is.

Preferably, the head relaxing device further comprises a head relaxing assembly, wherein the head relaxing assembly comprises a buffer pad and a vent hole;

the cushion pad is a rubber pad uniformly distributed on the inner surface of one side, close to the head, of the second fixing band, the rubber bulges are arranged on the two side surfaces of the cushion pad, when the second fixing band is pulled to leave the original position, the cushion pad inclines to drive the rubber bulges to massage the head, and when the second fixing band does not pull to return to the original position, the rubber bulges stop massaging the head;

the ventilation holes are round holes which are uniformly arranged between the cushion pads, and the hole diameter is unchanged when the second fixing band is stretched.

Preferably, the novel ventilation device further comprises a winding barrel, wherein the winding barrel can pull the second fixing belt to an original position through self rotation, so that the ventilation effect is improved, and the novel ventilation device comprises a barrel body, a winding roller and a stretching belt;

the barrel body is a hollow cylindrical barrel fixed at two ends of the head-mounted VR equipment, a rectangular hole is formed in one side far away from the head-mounted VR equipment, and a winding roller is arranged in the center of the barrel;

the winding roller is rotatably connected with the stretching belt, the length of the stretching belt outside the barrel body is controlled through self rotation, the stretching belt is tightened in the forward rotation process, and the stretching belt is released in the reverse rotation process and is used for driving the stretching belt to move so as to drive the second fixing belt to move;

the stretching belt is connected with the barrel body and the second fixing belt, and the second fixing belt is driven to leave the original position by periodically extending or shortening under the rotation of the winding roller.

Preferably, the furling barrels are 2 in number and are respectively connected with two ends of the second fixing belt and two ends of the head-mounted VR equipment, and when the furling barrel on one side rotates forwards, the furling barrel on the other side correspondingly rotates backwards.

Preferably, the air purifier also comprises a neck filtering assembly, wherein the neck filtering assembly comprises a connecting pipe, a neck exhaust pipe and an exhaust hole;

the connecting pipe is a vertical pipe, and the top of the connecting pipe is detachably connected to the middle of one side, away from the head-mounted VR equipment, of the second fixing belt;

neck exhaust pipe establishes the arc pipe at training personnel neck for the cover, and the hole of airing exhaust has with the bottom equipartition on the inner circular surface that the neck exhaust pipe is close to the training personnel neck, the hole of airing exhaust can extract the air of training personnel neck both sides and carry the external portion in cabin for the air admission training personnel oronasal department below the separation training personnel neck is around.

One or more technical schemes provided by the invention at least have the following technical effects or advantages:

the air filtering device comprises a pipeline, an air inlet filtering component and an air exhaust filtering component, wherein the pipeline is an elastic pipe for communicating the top of the surface of a cabin body with a head-mounted VR device and can provide tension for the head of a trainer; the air inlet filtering component is arranged in the pipeline and used for filtering external air and then conveying the filtered air to the periphery of the head of a trainer, and an air curtain is formed around the mouth and the nose of the trainer to prevent external air from entering; the exhaust filtering component is arranged in the pipeline and used for adsorbing air and impurities around the head of a trainer and discharging the air and the impurities outside the cabin; the air inlet filtering component and the air exhaust filtering component can form air circulation around the mouth and the nose of the trainee; the technical problems that the air purification effect around the mouth and the nose of a trainer is poor and the trainer is easy to feel uncomfortable after wearing VR equipment for a long time in the prior art are solved; the realization is better to the air purification effect around training personnel's oronasal department, alleviates training personnel to wear the long-time VR equipment of wearing simultaneously and feels uncomfortable technological effect easily.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the operational states of the intake air filter assembly and the exhaust air filter assembly of the present invention;

FIG. 3 is a schematic structural view of the air-equalizing plate of the present invention;

FIG. 4 is a schematic view of the head relief assembly of the present invention in an operative condition;

FIG. 5 is a schematic view of the head relief assembly of the present invention;

FIG. 6 is a schematic view of the construction of the roll-up bucket of the present invention;

FIG. 7 is a side view of the neck filter assembly of the present invention;

fig. 8 is a front view of the neck filter assembly of the present invention.

Reference numerals are as follows:

cabin 100, motion assembly 110, head-mounted VR device 120, frame 121, display device 122, ventilation block 123, first fixing strap 124, second fixing strap 125,

A pipeline 200,

An inlet air filtering component 300, a first filtering layer 310, a second filtering layer 320, an inlet air motor 330, an inlet air pipe 340, an air-equalizing plate 350,

An exhaust filtering component 400, an exhaust motor 410, an exhaust pipe 420, a first adsorption layer 430, a second adsorption layer 440, an exhaust outlet 450,

Head relief assembly 500, cushion 510, rubber bumps 511, vents 520, take-up bucket 530, barrel 531, take-up roller 532, tension band 533, and,

Neck filter assembly 600, connecting pipe 610, neck exhaust pipe 620 and exhaust hole 630.

Detailed Description

In order to facilitate an understanding of the present invention, the present application will now be described more fully with reference to the accompanying drawings; the preferred embodiments of the present invention are illustrated in the accompanying drawings, but the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete.

It is noted that the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, which is a schematic view of the overall structure of the present invention, the air filtering apparatus includes a duct 200, an intake air filtering component 300 and an exhaust air filtering component 400, wherein the duct 200 is an elastic tube communicating the top of the surface of the cabin 100 and the head-mounted VR device 120, and can provide tension for the head of the trainee; the intake air filtering component 300 is arranged inside the pipeline 200 and is used for filtering outside air and then conveying the filtered outside air to the periphery of the head of a trainer, and forming an air curtain around the mouth and the nose of the trainer to prevent outside air from entering; the exhaust air filtering assembly 400 is arranged inside the pipeline 200 and is used for adsorbing air and impurities around the head of a trainer and discharging the air and the impurities outside the cabin; the air inlet filter assembly 300 and the air exhaust filter assembly 400 can form air circulation around the mouth and the nose of the trainee; the technical problems that the air purification effect around the mouth and the nose of a trainer is poor and the trainer is easy to feel uncomfortable after wearing VR equipment for a long time in the prior art are solved; the realization is better to the air purification effect around training personnel's oronasal department, alleviates training personnel to wear the long-time VR equipment of wearing simultaneously and feels uncomfortable technological effect easily.

Example one

As shown in fig. 1 to 2, the closed flight training simulation cabin air filtering device of the embodiment of the present application includes a cabin body 100 and a moving assembly 110;

the cabin body 100 is a closed simulation cabin;

the moving assembly 110 is fixedly connected to the outer bottom of the cabin 100;

the embodiment of the application further comprises a head-mounted VR device 120, a pipeline 200, an air inlet filtering component 300 and an air exhaust filtering component 400;

a channel for gas flow is arranged in the head-mounted VR device 120;

the pipeline 200 is an elastic pipe for communicating the top of the surface of the cabin 100 with the head-mounted VR device 120, the VR device worn by the head of the trainer is connected with the top of the cabin 100 through the pipeline 200, so that tension can be provided for the head of the trainer, and the problem that the head and the cervical vertebra of the trainer are uncomfortable due to the fact that the trainer wears the VR device can be solved;

the air inlet filtering component 300 is arranged inside the pipeline 200, the top of the air inlet filtering component is connected with the top of the cabin body 100, and the air inlet filtering component is used for filtering external air and then conveying the filtered external air to the periphery of the head of a trainer, and forming an air curtain around the mouth and nose of the trainer to prevent external air from entering;

the exhaust filtering assembly 400 is arranged inside the pipeline 200, the top of the exhaust filtering assembly is connected with the top of the cabin body 100, and the exhaust filtering assembly is used for adsorbing air and impurities around the head of the trainee and exhausting the air and the impurities outside the cabin body 100;

the intake air filter assembly 300 and the exhaust air filter assembly 400 can form air circulation around the mouth and nose of the trainee.

The head-mounted VR device 120 includes a frame 121, a display device 122, a vent block 123, a first securing strap 124, and a second securing strap 125;

the frame 121 is an annular frame structure and is used for carrying components in the head-mounted VR device 120;

the display device 122 is a VR display screen and is fixed on one side of the frame 121 close to the eyes of the trainee;

the ventilation block 123 is positioned in the frame 121, fixedly connected to one side, away from eyes of a trainer, of the display device 122, and internally provided with a plurality of vertically arranged ventilation ducts, openings in the top of the ventilation block 123 are communicated with the air inlet pipe, openings in the bottom of the ventilation block face the mouth and nose of the trainer, the ventilation ducts can enable air to pass through, the passing air can reduce the heat productivity of the head-mounted VR device, and the functions of conveying air and relieving face oil and sweat are achieved;

the first fixing band 124 is an arc-shaped gas pipe connecting the top of the ventilation block 123 and the middle of the second fixing band 125, and is internally provided with a support, so that the internal gas pipe cannot deform when being extruded, the gas conveying is not affected, and the functions of conveying gas and fixing VR equipment are achieved;

the second fixing belt 125 is an arc-shaped gas pipe arranged at two ends of the frame 121 close to the eyes of the trainee, and is internally provided with a support, so that the internal gas pipe cannot deform when being extruded, the gas conveying is not affected, and the functions of conveying gas and fixing VR equipment are achieved;

the inlet air filtering assembly 300 comprises a first filtering layer 310, a second filtering layer 320, an inlet air motor 330, an inlet air pipe 340 and an air equalizing plate 350;

the first filter layer 310 is a fiber filter layer, the top of which is detachably connected to the top of the cabin 100, and the first filter layer has the function of filtering dust and impurities in the air;

the second filter layer 320 is a degerming filter layer, the top of the second filter layer 320 is detachably connected to the bottom of the first filter layer 310, and the mesh diameter of the second filter layer 320 is smaller than that of the first filter layer 310, so that the second filter layer can filter dust, impurities and bacteria in the air passing through the first filter layer 310;

the air inlet motor 330 is an axial flow fan, and a top air inlet is detachably connected with the bottom of the second filter layer 320, so as to play a role in extracting external air and conveying the air to the cabin body 100;

the air inlet pipe 340 is an elastic pipeline arranged in the pipeline 200, and the top of the air inlet pipe is fixedly connected with an air outlet at the bottom of the air inlet motor 330, so that the air inlet pipe plays a role of receiving air output by the air inlet motor 330;

as shown in fig. 3, the air equalizing plate 350 is a grid mesh fixedly connected to the bottom of the head mounted VR device 120, and functions to uniformly deliver the air passing through the ventilation block 123 to the periphery of the mouth and nose of the trainee;

the exhaust filtering assembly 400 comprises an exhaust motor 410, an exhaust pipe 420, a first adsorption layer 430, a second adsorption layer 440 and an exhaust outlet 450;

the air exhaust motor 410 is an axial flow fan, and the air inlet end of the air exhaust motor is fixedly connected to the top of the pipeline 200, so that the air and dust around the head of the trainee are extracted and exhausted to the outside of the cabin 100;

the exhaust duct 420 is an elastic duct located in the duct 200, and plays a role of conveying air extracted by the exhaust motor 410;

the first adsorption layer 430 is a fiber filter layer, and plays a role in adsorbing dust and impurities in the air of the cabin 100;

the second adsorption layer 440 is a degerming filter layer, plays a role in adsorbing finer particle dust, impurities and bacteria in the air passing through the first adsorption layer 430, is detachably connected to the upper end surface of the first adsorption layer 430 at the lower end surface, is detachably connected to the bottom of the exhaust motor 410 at the upper end surface, and has a filter mesh diameter smaller than that of the first adsorption layer 430;

the air outlets 450 are disposed on two sides of the second fixing belt 125 near the eyes, and function to deliver the air around the head of the trainee to the air outlet pipe 420 through the second fixing belt 125;

a soft partition board is arranged at the joint of the first fixing belt 124 and the pipeline 200 to divide the first fixing belt 124 into two areas, the area close to eyes is communicated with the air inlet pipe 340, and fresh air outside the cabin body 100 is purified and then is conveyed to the periphery of the head of a trainer; the other area is connected to an exhaust duct 420 for exhausting the air around the head of the trainee to the outside of the cabin 100.

Preferably, an air equalizing grid is arranged at the joint of the bottom of the air inlet pipe 340 and the first fixing belt 124, so that the air conveyed by the air inlet pipe 340 is uniformly conveyed into the ventilation block 123 of the head-mounted VR device 120, and meanwhile, the air is prevented from directly blowing the head of the trainee;

preferably, the larger the movement of the training compartment movement assembly 110 is, the larger the intake air amount of the air intake motor 330 is, the smaller the movement of the training compartment movement assembly is, and the smaller the air supply amount of the air intake motor 330 is, so that the oxygen consumption is increased when the movement amount of the training person is increased, and the air supply amount of the air intake motor 330 is increased according to the movement amplitude of the movement assembly.

The working process of the air filtering device of the closed flight training simulation cabin in the embodiment of the application is as follows:

1. the training personnel enter the training cabin, the cabin door is closed, a closed environment is formed in the training cabin, the training personnel connect the pipeline 200 with the head-mounted VR equipment 120, then sit on the seat and wear the head-mounted VR equipment 120, and prepare to start simulated flight training;

2. when training begins, the movement assembly 110 and the head-mounted VR device 120 start to work, the air inlet filtering assembly 300 and the air outlet filtering assembly 400 start synchronously, air outside the cabin 100 enters the air inlet pipe 340 after being filtered by the first filtering layer 310 and the second filtering layer 320 and is conveyed to the area of one side of the first fixing belt 124 close to eyes, finally fresh air is conveyed to the periphery of the mouth and nose of a training person after passing through the ventilation block 123, and an air curtain is formed in front of the mouth and nose of the training person to block the outside air;

3. the air at the mouth and nose of the trainee is pumped into the second fastening belt 125 through the air outlets 450 at both sides of the second fastening belt 125, then is transmitted into the first fastening belt 124, and finally is output to the outside of the cabin 100 through the air outlet pipe 420.

The technical scheme in the embodiment of the application at least has the following technical effects or advantages:

the technical problems that the air purification effect around the mouth and the nose of a trainer is poor and the trainer is easy to feel uncomfortable after wearing VR equipment for a long time in the prior art are solved; the realization is better to the air purification effect around training personnel's oronasal department, alleviates training personnel to wear the long-time VR equipment of wearing simultaneously and feels uncomfortable technological effect easily.

Example two

The above examples found the following problems during the testing:

air below the neck of the trainee may enter the periphery of the mouth and nose of the trainee through the traction of the air outlet 450, and when the trainee wears the head-mounted VR device 120 for a long time, the trainee may feel uncomfortable on the head due to the binding and the pressure of the fixing belt.

In view of the above problems, the present embodiment adds the head relaxing assembly 500 and the neck filtering assembly 600 on the basis of the above embodiments;

as shown in fig. 4-5, the head relief assembly 500 includes a cushion 510 and a vent 520;

the buffer pads 510 are rubber pads uniformly distributed on the inner surface of the second fixing band 125 near the head, and play a role of slightly cushioning the second fixing band 125 and the head, the two side surfaces of the buffer pads 510 are provided with rubber protrusions 511, when the second fixing band 125 is pulled to leave the original position, the buffer pads 510 incline to drive the rubber protrusions 511 to massage the head, and when the second fixing band 125 is not pulled to return to the original position, the rubber protrusions 511 stop massaging the head;

the ventilation holes 520 are circular holes uniformly arranged between the cushions 510, and the hole diameter is not changed when the second fixing band 125 is stretched, thereby increasing the comfort of the head of the trainee when the head is slightly ventilated during air exhaust.

Preferably, as shown in fig. 6, the winding barrel 530 is further included, and the winding barrel 530 can pull the second fixing strap 125 to the original position by rotating itself, so as to increase the ventilation effect, and includes a barrel 531, a winding roller 532 and a stretching strap 533;

the barrel body 531 is a hollow cylindrical barrel fixed at two ends of the head-mounted VR device 120, a rectangular hole is formed in one side away from the head-mounted VR device 120, and a winding roller 532 is arranged at the center of the barrel;

the furling roller 532 is rotatably connected with the stretching belt 533, the length of the stretching belt 533 outside the barrel body 531 is controlled through rotation of the furling roller 532, the stretching belt 533 is tightened in the forward rotation process, and the stretching belt 533 is released in the reverse rotation process, so that the furling roller drives the stretching belt 533 to move to further drive the second fixing belt 125 to move;

the stretching belt 533 connects the barrel 531 and the second fixing belt 125, and under the rotation of the take-up roller 532, the second fixing belt 125 is periodically extended or shortened to leave the original position.

Preferably, the number of the furling barrels 530 is 2, the furling barrels 530 are respectively connected with two ends of the second fixing band 125 and two ends of the head-mounted VR device 120, when the furling barrel 530 on one side rotates forwards, the furling barrel 530 on the other side correspondingly rotates backwards, and the function of preventing the head from being pressed greatly due to the fact that the stretching band 533 is short outside the barrel body 531 in the furling process, or preventing the head from being fixed loosely due to the fact that the stretching band 533 is long outside the barrel body 531 is achieved.

As shown in fig. 7 to 8, the neck filter assembly 600 includes a connection pipe 610, a neck exhaust duct 620, and exhaust holes 630;

the connecting pipe 610 is a vertical pipe, and the top of the connecting pipe is detachably connected to the middle of one side of the second fixing band 125 away from the head-mounted VR device 120, so as to transport gas;

neck exhaust pipe 620 establishes the arc pipe at training personnel neck for the cover, has the hole 630 of airing exhaust near the interior circular arc surface and the bottom equipartition of training personnel neck at neck exhaust pipe 620, the hole 630 of airing exhaust can extract the air of training personnel neck both sides and carry the cabin body 100 outsidely, plays the effect around the air admission training personnel oronasal department below the separation training personnel neck.

Only step 3 in the above embodiment is modified:

when air at the mouth and nose of the trainee is conveyed out of the cabin body 100 through the air outlet 450, the air vent 520 on the first fixing belt 124 slightly drafts the head of the trainee, the winding barrel 530 is periodically operated to slightly pull the second fixing belt 125 to the original position so as to prevent the air vent 520 from being blocked, and finally the air is output out of the cabin body 100 through the air exhaust pipe 420; meanwhile, the neck exhaust pipe 620 sleeved on the neck of the trainee also extracts air around the neck of the trainee, and conveys the extracted air to the exhaust pipe 420 through the connecting pipe 610 to promote the circulation of the air on the head of the driver.

the technical effect that the head is uncomfortable can be caused by the constraint and the pressure of the fixing belt when the training personnel wear the head-wearing VR equipment 120 for a long time is reduced.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and variations of the present invention may occur to those skilled in the art; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A closed flight training simulation cabin air filtering device comprises a cabin body (100) and a motion assembly (110);

the cabin body (100) is a closed simulation cabin;

the motion assembly (110) is fixedly connected to the outer bottom of the cabin body (100);

the air purifier is characterized by further comprising a head-mounted VR device (120), a pipeline (200), an air inlet filtering component (300) and an air exhaust filtering component (400);

a channel for gas flow is arranged in the head-mounted VR device (120);

the pipeline (200) is an elastic pipe for communicating the top of the surface of the cabin body (100) with the head-mounted VR equipment (120), can provide tension for the head of a trainer, and is used for reducing the problem that the head and the cervical vertebra of the trainer are uncomfortable due to the fact that the trainer wears the VR equipment;

the air inlet filtering component (300) is arranged inside the pipeline (200), the top of the air inlet filtering component is connected with the top of the cabin body (100) and is used for filtering outside air and then conveying the filtered outside air to the periphery of the head of a trainer, and an air curtain is formed around the mouth and nose of the trainer to prevent outside air from entering;

the exhaust filtering assembly (400) is arranged inside the pipeline (200), the top of the exhaust filtering assembly is connected with the top of the cabin body (100) and used for adsorbing air and impurities around the head of a trainer and discharging the air and the impurities outside the cabin body (100) in parallel;

the air inlet filtering component (300) and the air outlet filtering component (400) can form air circulation around the mouth and the nose of the trainee;

the head-mounted VR device (120) includes a frame (121), a display device (122), a vent block (123), a first strap (124), and a second strap (125);

the frame (121) is an annular frame structure and is used for bearing various components in the head-mounted VR device (120);

the display equipment (122) is a VR display screen and is fixed on one side of the frame (121) close to the eyes of the trainee;

the ventilation block (123) is positioned in the frame (121), is fixedly connected to one side, away from eyes of a trainer, of the display device (122), and is internally provided with a plurality of vertically arranged ventilation pipelines, an opening at the top of the ventilation block (123) is communicated with the air inlet pipe, an opening at the bottom of the ventilation block faces to the mouth and nose of the trainer, the ventilation channels can enable air to pass through, and the heat productivity of the head-mounted VR device can be reduced through the passing air;

the first fixing belt (124) is an arc-shaped gas pipe which is connected with the top of the ventilation block (123) and the middle of the second fixing belt (125), and is internally provided with a support, so that an internal gas pipeline cannot deform when being extruded, and the gas conveying is not influenced;

the second fixing belt (125) is an arc-shaped gas pipe arranged at two ends of one side of the frame (121) close to the eyes of the trainee, and is internally supported, so that an internal gas pipeline cannot deform when being extruded, and the gas conveying is not influenced;

further comprising a head comforting assembly (500), the head comforting assembly (500) comprising a cushion (510) and a vent (520);

the buffer pads (510) are rubber pads which are uniformly distributed on the inner surface of one side, close to the head, of the second fixing belt (125), rubber protrusions (511) are arranged on two side surfaces of the buffer pads (510), when the second fixing belt (125) is pulled to leave the original position, the buffer pads (510) obliquely drive the rubber protrusions (511) to massage the head, and when the second fixing belt (125) does not pull to return to the original position, the rubber protrusions (511) stop massaging the head;

the ventilation holes (520) are round holes uniformly arranged among the cushions (510), and the hole diameter is not changed when the second fixing belt (125) is stretched;

the novel winding machine further comprises a winding barrel (530), the winding barrel (530) can pull the second fixing belt (125) to the original position through self rotation, the ventilation effect is improved, and the novel winding machine comprises a barrel body (531), a winding roller (532) and a stretching belt (533);

the barrel body (531) is a hollow cylindrical barrel fixed at two ends of the head-mounted VR device (120), a rectangular hole is formed in one side far away from the head-mounted VR device (120), and a winding roller (532) is arranged in the center of the barrel;

the furling roller (532) is rotatably connected with the stretching belt (533), the length of the stretching belt (533) outside the barrel body (531) is controlled through self rotation, the stretching belt (533) is tightened in the forward rotation process, and the stretching belt (533) is released in the reverse rotation process, so that the furling roller drives the stretching belt (533) to move and further drives the second fixing belt (125) to move;

the stretching belt (533) is connected with the barrel body (531) and the second fixing belt (125), and the second fixing belt (125) is driven to leave the original position by periodically extending or shortening under the rotation of the furling roller (532);

the number of the furling barrels (530) is 2, the furling barrels are respectively connected with two ends of the second fixing belt (125) and two ends of the head-wearing VR equipment (120), and when the furling barrel (530) on one side rotates forwards, the furling barrel (530) on the other side correspondingly rotates backwards.

2. The closed type air filtering device for the flight training simulation cabin as claimed in claim 1, wherein the intake air filtering assembly (300) comprises a first filtering layer (310), a second filtering layer (320), an intake air motor (330), an intake air pipe (340) and an air equalizing plate (350);

the first filter layer (310) is a fiber filter layer, and the top of the first filter layer is detachably connected with the top of the cabin body (100);

the second filter layer (320) is a degerming filter layer, the top of the second filter layer is detachably connected with the bottom of the first filter layer (310), and the filter mesh diameter of the second filter layer (320) is smaller than that of the first filter layer (310);

the air inlet motor (330) is an axial flow fan, and a top air inlet is detachably connected with the bottom of the second filter layer (320);

the air inlet pipe (340) is an elastic pipeline arranged in the pipeline (200), and the top of the air inlet pipe is fixedly connected with an air outlet at the bottom of the air inlet motor (330);

the air-equalizing plate (350) is a grid net fixedly connected to the bottom of the head-mounted VR device (120).

3. The closed flight training simulator cabin air filtering device of claim 1, wherein said exhaust air filtering assembly (400) comprises an exhaust air motor (410), an exhaust duct (420), a first adsorption layer (430), a second adsorption layer (440) and an exhaust outlet (450);

the air exhaust motor (410) is an axial flow fan, and the air inlet end of the air exhaust motor is fixedly connected to the top of the pipeline (200);

the exhaust pipe (420) is an elastic pipeline positioned in the pipeline (200);

the first absorbent layer (430) is a fibrous filtration layer;

the second adsorption layer (440) is a degerming filter layer, the lower end face of the second adsorption layer is detachably connected to the upper end face of the first adsorption layer (430), the upper end face of the second adsorption layer is detachably connected to the bottom of the exhaust motor (410), and the diameter of the filter mesh of the second adsorption layer (440) is smaller than that of the filter mesh of the first adsorption layer (430);

the air outlet (450) is arranged on two sides of the second fixing belt (125) close to the eyes.

4. The closed flight training simulation cabin air filtering device of claim 1, wherein an air equalizing grille is arranged at the joint of the bottom of the air inlet pipe (340) and the first fixing belt (124).

5. The closed type flight training simulation cabin air filtering device as claimed in claim 1, wherein the larger the movement of the training cabin movement assembly, the larger the intake air amount of the intake motor (330), and the smaller the movement of the training cabin movement assembly, the smaller the air supply amount of the intake motor (330).

6. The closed flight training simulation cabin air filtering device of claim 1, further comprising a neck filtering assembly (600), wherein the neck filtering assembly (600) comprises a connecting pipe (610), a neck exhaust pipe (620) and an exhaust hole (630);

the connecting pipe (610) is a vertical pipe, and the top of the connecting pipe is detachably connected to the middle of one side, far away from the head-mounted VR device (120), of the second fixing belt (125);

neck exhaust pipe (620) are established for the cover and are established the arc pipe at training person's neck, have exhaust hole (630) at neck exhaust pipe (620) near the interior arc surface and the bottom equipartition of training person's neck, exhaust hole (630) can extract the air transport cabin body (100) outside of training person's neck both sides for the air admission training person mouth nose department below the separation training person's neck is around.