A headgear for hypoxic environment acclimatization training

Abstract

The present application relates to a kind of head cover type low oxygen environment adaptability training device, belong to highland adaptation capacity training field, solve the structure complex of large low oxygen cabin in prior art, heavy, use is complicated, and because the volume of low oxygen cabin is large, the time needed for simulating low oxygen environment is long, and the training efficiency is low.The head cover type low oxygen environment adaptability training device of the present application, including head cover, control box and main gas pipe, the both ends of main gas pipe are connected with head cover and control box, the head of trainee is placed in head cover, and low oxygen endurance training is carried out.The volume of the head cover of the training device of the present application is far less than the existing low oxygen cabin, mixed gas can rapidly fill the entire head cover inside, the preparation time needed for simulating low oxygen environment is short, and the training efficiency is high.

Description

Technical Field

[0001] This invention relates to the field of high-altitude acclimatization training, and more particularly to a head-mounted hypoxic environment acclimatization training device. Background Technology

[0002] Areas above 2,500 meters in altitude are called plateau regions. The higher the altitude, the lower the atmospheric pressure and the lower the partial pressure of oxygen in the air. Therefore, in plateau environments, the human body will experience hypoxia. However, the tolerance to hypoxia varies greatly among individuals. Some people with poor hypoxia tolerance cannot work normally in hypoxic environments, affecting their health. For those who need to work at high altitudes for extended periods, the impact of the hypoxic environment is even more significant, potentially leading to palpitations, chest tightness, vomiting, fainting, and in severe cases, even death. This is especially true for construction workers on the Sichuan-Tibet Railway. Because the Qinghai-Tibet Railway mostly passes through high-altitude permafrost and uninhabited areas, the high altitude and intense workload of the construction environment make the work pressure and physical burden on workers at high altitudes extremely high, increasing the likelihood of developing the aforementioned health problems.

[0003] Hypoxia acclimatization training involves creating a simulated high-altitude air environment in low-altitude areas to enhance the ability of individuals rapidly venturing to high altitudes to adapt to hypoxia. Currently, most equipment available for hypoxia endurance training consists of large hypoxia chambers, which generally suffer from problems such as complex structure, heavy weight, cumbersome use, and high maintenance costs. Furthermore, the large size of the hypoxia chambers and the long preparation time required to simulate a hypoxia environment increase the ineffective time of hypoxia endurance training, resulting in low training efficiency.

[0004] Therefore, a head-mounted hypoxic environment adaptation training device is needed to solve the problems existing in the aforementioned large hypoxic chambers. Summary of the Invention

[0005] Based on the above analysis, the present invention aims to provide a head-mounted hypoxic environment adaptation training device to solve the problems of existing large hypoxic chambers being complex in structure, heavy in weight, cumbersome in use, and having low training efficiency due to the long time required to simulate a hypoxic environment because of their large size.

[0006] The objective of this invention is mainly achieved through the following technical solutions:

[0007] A head-mounted hypoxic environment adaptation training device includes a head-mounted hood, a control box, and a main air tube. The two ends of the main air tube are connected to the head-mounted hood and the control box, respectively. The trainee's head is placed inside the head-mounted hood to conduct hypoxic endurance training.

[0008] Furthermore, the headgear is a transparent headgear.

[0009] Furthermore, the hood includes an opening through which the trainee's head can enter the hood.

[0010] Furthermore, the control box includes a controller and a nitrogen supply unit. The nitrogen supply unit is connected to the controller, and the controller controls the nitrogen supply unit to deliver a mixture of nitrogen and oxygen into the hood.

[0011] Furthermore, the nitrogen supply unit is a nitrogen generator.

[0012] Furthermore, the control box is equipped with a first display screen, which is connected to the controller.

[0013] Furthermore, it also includes a distribution air path, which is located on the headgear and connected to the main air path.

[0014] Furthermore, it also includes a support frame, one end of which is connected to the headgear, and the other end is a support end.

[0015] Furthermore, the support end is a base for placing a bracket on the ground, or the support end is a clamp for connecting to a seat or bed.

[0016] Furthermore, the support can be adjusted and maintain its length.

[0017] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects:

[0018] (1) The volume of the headgear of the training device of the present invention is much smaller than that of the existing hypoxia chamber. The mixed gas can quickly fill the entire headgear, and the preparation time required to simulate the hypoxia environment is short, resulting in high training efficiency.

[0019] (2) The safety window of the training device of the present invention can be opened automatically to ensure that air can enter the headgear, so as to ensure that the trainees can quickly get out of the low-oxygen environment and ensure personnel safety.

[0020] (3) The main air path of the training device of the present invention distributes the mixed air evenly in the headgear through the air distribution path, and the noise of the air outlet can be reduced by the silencer to ensure the comfort of the training environment.

[0021] (4) The prompter of the active safety unit of the training device of the present invention can send a prompt signal to the trainee at a unit time interval. After receiving the prompt signal, the trainee needs to respond to the prompt signal immediately through the transponder so as to send a response signal to the controller, indicating that the trainee is in a conscious state and ensuring the safety of the trainee.

[0022] (5) The angle between the head cover and the support of the training device of the present invention can be adjusted and kept fixed. By rotating the movable side plate, the opening can be enlarged or reduced, so that the head cover can adapt to the different body position requirements of the trainees. The sealing part can follow the movable side plate and close the gap between the movable side plate and the cover at any time to prevent the leakage of the mixed gas in the head cover or the air from entering the head cover, and ensure the stability of the environment inside the head cover. Attached Figure Description

[0023] The accompanying drawings are for illustrative purposes only and are not intended to limit the invention. Throughout the drawings, the same reference numerals denote the same parts.

[0024] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 This is a schematic diagram of the overall structure of the safety window;

[0026] Figure 3 This is a schematic diagram of the overall structure of the gas distribution circuit;

[0027] Figure 4 This is a schematic diagram of the overall structure of the headgear in Example 2.

[0028] Figure label:

[0029] 1-Headgear; 2-Control box; 3-Main air passage; 4-Cover; 5-Bracket; 6-Safety window; 7-Air distribution passage; 11-Cover body; 12-Connecting rod; 13-First hinge shaft; 14-Movable side plate; 15-Sealing part; 16-Guide groove; 17-Second locking bolt; 31-Main air pipe; 32-Mixer; 33-Air valve; 51-Connecting part; 52-First locking bolt; 61-Window; 62-Second hinge shaft; 63-Shaft seat; 64-Lock tongue; 65-Protrusion; 66-Electromagnet; 71-Air distribution pipe; 72-Silencer. Detailed Implementation

[0030] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which constitute a part of the present invention and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not intended to limit the scope of the present invention.

[0031] Example 1

[0032] A specific embodiment of the present invention, such as Figure 1 As shown, a head-mounted hypoxic environment adaptation training device (hereinafter referred to as the training device) is disclosed, including a head cover 1, a control box 2 and a main air pipe 3. The two ends of the main air pipe 3 are connected to the head cover 1 and the control box 2 respectively. The trainee's head is placed inside the head cover 1 to carry out hypoxic endurance training.

[0033] Preferably, the headgear 1 is a transparent headgear, which allows the trainee's condition to be observed from outside the headgear 1 at any time.

[0034] Preferably, the headgear 1 includes an opening through which the trainee's head can enter the headgear 1.

[0035] Preferably, the control box 2 includes a controller (not shown in the figure) and a nitrogen supply unit (not shown in the figure). The nitrogen supply unit is connected to the controller, and the controller controls the nitrogen supply unit to supply a mixture of nitrogen and oxygen (hereinafter referred to as the mixture) into the hood 1. The oxygen content of the mixture is the simulated oxygen content of the plateau. The nitrogen supply unit is also connected to the main air passage 3, through which the mixture is supplied into the hood 1.

[0036] The shape of the headgear 1 is not limited, as long as it can accommodate the trainee's head. The volume inside the headgear 1 is much smaller than that of existing hypoxic chambers, and the mixed gas can quickly fill the entire interior of the headgear 1, resulting in a short preparation time and high training efficiency for simulating a hypoxic environment.

[0037] Preferably, the nitrogen supply unit is a nitrogen generator, which can provide nitrogen gas to the training device of the present invention, and the nitrogen content is 95% or more.

[0038] Preferably, the control box 2 is also equipped with a first display screen, which is connected to the controller. The first display screen can display blood oxygen saturation, heart rate, and oxygen concentration in real time.

[0039] Preferably, the training device of the present invention further includes a cover part 4, which is arranged around the opening of the head cover 1. The cover part 4 is made of soft material, and one end of the cover part 4 is provided with a tightening strap. When the trainee puts on the head cover 1, the tightening strap of the cover part 4 can be tightened to ensure that the cover part 4 is connected to the trainee's shoulder or upper arm.

[0040] Preferably, the training device of the present invention further includes a support 5, one end of which is connected to the head cover 1, and the other end is a support end, which is a base for placing the support 5 on the ground to prevent the support 5 from tipping over, or the support end is a clamp for connecting to a seat or bed.

[0041] Preferably, the support 5 can be adjusted and maintained in length to accommodate different height differences among trainees or different training postures.

[0042] Preferably, such as Figure 2 As shown, the helmet 1 is also equipped with a safety window 6. The safety window 6 is located on the side wall of the helmet 1. The safety window 6 can open automatically to ensure that air can enter the helmet 1, ensuring that the trainee can quickly escape the low-oxygen environment and ensuring the safety of the personnel.

[0043] Preferably, the safety window 6 includes a window body 61, a second hinge shaft 62, and a bearing 63. The second hinge shaft 62 is located at one end of the window body 61, and the bearing 63 is located on the headgear 1. The second hinge shaft 62 can rotate within the bearing 63. The window body 61 is hinged to the headgear 1 via the bearing 63 and the second hinge shaft 62. During training, the window body 61 prevents air leakage into the headgear 1. In an emergency, the window body 61 is opened to allow fresh air to enter the headgear 1, providing oxygen to the trainee and ensuring unobstructed breathing.

[0044] Preferably, a sealing gasket is provided at the edge of the window 61. When the window 61 is closed, the sealing gasket is used to ensure that air does not enter the headgear 1, thus ensuring the training effect.

[0045] Preferably, the sealing gasket is a rubber sealing gasket, which is elastic and ensures airtightness.

[0046] Preferably, a first spring (not shown in the figure) is provided on the second hinge shaft 62. When the window 61 is closed, the first spring is compressed and stores energy. When the window 61 is released, the first spring provides potential energy to the window 61, which enables the window 61 to open automatically.

[0047] Preferably, the head cover 1 is also provided with a locking tongue 64, and a second spring is provided on the locking tongue 64 to keep the locking tongue 64 in a fixed position. One end of the window 61 is provided with a protrusion 65. When the window 61 is closed, the protrusion 65 presses against the locking tongue 64 and forces the locking tongue 64 to move, while compressing the second spring. When the window 61 is closed, the second spring can spring the locking tongue 64 back, and the locking tongue 64 locks the protrusion 65 to prevent the window 61 from opening. Pulling the locking tongue 64 releases the protrusion 65, and the window 61 can open by itself.

[0048] Preferably, the head cover 1 is also equipped with an electromagnet 66, which is connected to a controller. The controller can energize the electromagnet 66, causing it to become magnetic. The latch 64 is made of iron or steel. By energizing the electromagnet 66, the controller attracts the latch 64, releasing the window 61, thereby enabling the automatic opening of the safety window 6.

[0049] Preferably, a composite sensor is provided inside the headgear 1 for measuring the oxygen concentration and carbon dioxide concentration inside the headgear 1.

[0050] Preferably, the training device of the present invention further includes finger sleeves (not shown in the figure), which are connected to the controller. The finger sleeves are equipped with a blood oxygen sensor and a heart rate sensor. When the trainee wears the finger sleeves, the blood oxygen saturation and heart rate can be measured in real time via the blood oxygen sensor and heart rate sensor. When the trainee's blood oxygen concentration is below 60%, the controller can immediately open the safety window 6, allowing fresh air to enter the headgear 1, providing oxygen to the trainee and ensuring unobstructed breathing.

[0051] Preferably, such as Figure 3 As shown, the main air path 3 includes a main air pipe 31 and a mixer 32. The mixer 32 is connected to the headgear 1 and the main air pipe 31 respectively. The mixer 32 is used to mix air and nitrogen to form a mixture with different oxygen contents.

[0052] Preferably, an air valve 33 is provided on the mixer 32. The air valve 33 is located on the side wall of the mixer 32 and is connected to a controller. The controller can control the opening degree of the air valve 33 and adjust the amount of air entering the mixer 32 to control the oxygen content of the mixture.

[0053] Preferably, the mixer 32 is also equipped with an oxygen content sensor (not shown in the figure). The oxygen content sensor is located at the connection between the mixer 32 and the headgear 1. The oxygen content sensor is also connected to the controller. The oxygen content sensor can measure the oxygen content of the mixed gas delivered into the headgear 1 and transmit the oxygen content data to the controller.

[0054] Preferably, the training device of the present invention further includes an air distribution path 7, which is disposed on the head cover 1 and connected to the main air path 3. The main air path 3 distributes the mixed gas evenly within the head cover 1 through the air distribution path 7.

[0055] Preferably, the air distribution path 7 includes an air distribution pipe 71, which is connected to the mixer 32. The air distribution pipe 71 includes two air outlets. The mixer 32 delivers the mixed gas to the air distribution pipe 71, and the mixed gas is delivered to the inside of the headgear 1 through the two air outlets of the air distribution pipe 71.

[0056] Preferably, there are multiple air distribution pipes 71, the centers of which are connected, and the air outlets of the multiple air distribution pipes 71 are distributed on a circumference with the center of the air distribution pipe 71 as the center, so as to evenly deliver the mixed gas into the interior of the head cover 1.

[0057] Preferably, the air distribution path 7 further includes a silencer 72, which is disposed at the air outlet of the air pipe 71. The silencer 72 is a diffusion type silencer, which can reduce the noise at the air outlet to no more than 45dB, ensuring the comfort of the training environment.

[0058] Preferably, the pressure of the mixed gas is greater than 1 atmosphere, and the headgear 1 is a positive pressure environment. The exhaust gas produced by the trainee's breathing can be squeezed by the mixed gas and discharged from the headgear 1 through the cover part 4 and the connection between the cover part 4 and the trainee's torso, so as to ensure the stability of the oxygen content in the training environment inside the headgear 1.

[0059] Preferably, the controller also includes an active safety unit (not shown in the figure), which comprises a prompter and a transponder. The prompter is mounted on the headgear 1 and connected to the controller. The transponder can be mounted on the seat or bed, or set up separately and connected to the controller. The prompter can send a prompt signal to the trainee at unit time intervals. Upon receiving the prompt signal, the trainee needs to immediately respond to the prompt signal via the transponder in order to send a response signal to the controller, indicating that the trainee is awake and ensuring the trainee's safety.

[0060] Preferably, the unit time interval is 5-15 seconds.

[0061] In some alternative embodiments, the indicator is a signal light, and the transponder is a push-button switch. When the signal light illuminates, the trainee needs to immediately press the push-button switch to respond, indicating that the trainee is alert.

[0062] Preferably, the controller can also record the time difference between sending a prompt signal and receiving a response, in order to assess the trainee's level of alertness.

[0063] In some alternative embodiments, the prompter is a second display screen, and the responder is a multimedia information collector. The second display screen can display text or video information, and the trainee needs to respond accordingly to the text or video information, which is then collected by the multimedia information collector for assessing the trainee's level of alertness.

[0064] Preferably, the second display screen can display blood oxygen saturation, heart rate, pulse wave, oxygen concentration, simulated altitude, and low oxygen tolerance values, so that trainees can understand their condition.

[0065] Preferably, the multimedia information collector is a writing tablet, microphone, or camera.

[0066] Compared to existing technologies, the volume of the headgear 1 in this embodiment is smaller than that of existing hypoxic chambers, allowing the mixed gas to quickly fill the entire interior of the headgear 1. This results in a shorter preparation time required to simulate a hypoxic environment and higher training efficiency. The safety window 6 can open automatically to ensure that air can enter the headgear 1, allowing trainees to quickly escape the hypoxic environment and ensuring their safety. The main air path 3 distributes the mixed gas evenly within the headgear 1 through the distribution air path 7, and the silencer 72 reduces noise at the air outlet, ensuring a comfortable training environment. The active safety unit's alert device can send alert signals to trainees at unit time intervals. Upon receiving the alert signal, trainees must immediately respond using a transponder to send a response signal to the controller, indicating that the trainee is conscious and ensuring their safety.

[0067] Example 2

[0068] Another specific embodiment of the training device of the present invention further improves the support 5 and the head cover 1 based on embodiment 1.

[0069] Preferably, such as Figure 4 As shown, the headgear 1 includes a cover body 11 and a connecting rod 12, with the connecting rod 12 mounted on the cover body 11. The support 5 includes a connecting part 51 and a first locking bolt 52, with the connecting part 51 located at one end of the support 5 and the first locking bolt 52 mounted on the connecting part 51. The connecting rod 12 is hinged to the connecting part 51, and the first locking bolt 52 can pass through the connecting rod 12 and the connecting part 51 as a hinge axis. The first locking bolt 52 can also rotate to lock and fix the angle between the connecting rod 12 and the connecting part 51, so that the angle between the headgear 1 and the support 5 can be adjusted and kept fixed to adapt to different body position requirements of the trainees.

[0070] Preferably, the cover 11 is box-shaped, and the head cover 1 further includes a first hinge shaft 13 and movable side plates 14. The first hinge shaft 13 is disposed on both sides of the cover 11, and the movable side plates 14 are rotatably connected to the cover 11 through the first hinge shaft 13. Rotating the movable side plates 14 can enlarge or reduce the opening, so that the head cover 1 can adapt to different body position requirements of the trainee. The trainee can lie down and place the head and torso horizontally inside the head cover 1 and the covering part 4.

[0071] In order to seal the gap between the movable side plate 14 and the cover 11, preferably, the head cover 1 also includes a sealing part 15. One end of the sealing part 15 is connected to the side wall of the cover 11, and the other end is connected to the movable side plate 14. When the movable side plate 14 is rotated, the sealing part 15 can follow the movable side plate 14 and seal the gap between the movable side plate 14 and the cover 11 at any time to prevent the leakage of the mixed gas in the head cover 1 or the entry of air into the head cover 1, thus ensuring the training effect.

[0072] In some alternative embodiments, the closure 15 is a soft closure. When the movable side plate 14 is close to the cover 11, the closure 15 is in a folded state; when the movable side plate 14 is far away from the cover 11, the closure 15 is in an extended state.

[0073] In some alternative embodiments, the closure 15 is a rigid closure, and a guide groove 16 is provided on the closure 15. A second locking bolt 17 is also provided on the side wall of the cover 11. The guide groove 16 is a through guide groove and is arc-shaped. The guide groove 16 is concentric with the first hinge shaft 13. The second locking bolt 17 passes through the guide groove 16 and can loosen and fix the connection between the closure 15 and the cover 11, thereby allowing the movable side plate 14 to rotate or fix the included angle between the movable side plate 14 and the cover 11.

[0074] Compared to existing technologies, the angle between the headgear 1 and the support 5 in this embodiment can be adjusted and kept fixed. Rotating the movable side plate 14 can enlarge or reduce the opening, so that the headgear 1 can adapt to different body position requirements of the trainees. The sealing part 15 can follow the movable side plate 14 and close the gap between the movable side plate 14 and the cover 11 at any time to prevent the leakage of the mixed gas in the headgear 1 or the entry of air into the headgear 1, thus ensuring the training effect.

[0075] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in the present invention should be included within the scope of protection of the present invention.

Claims

1. A headgear-type hypoxic environment acclimatization training device, characterized by, The head cover (1), the control box (2), the main gas pipe and the safety window (6) are included, the two ends of the main gas pipe are connected with the head cover (1) and the control box (2) respectively, the head of the trainee is placed in the head cover (1), and the low oxygen endurance training is carried out; the control box (2) includes a controller; The safety window (6) includes a window body (61), a second hinged shaft (62), a lock tongue (64), a protrusion (65) and an electromagnet (66), the second hinged shaft (62) is arranged at one end of the window body (61), and the window body (61) is hinged with the head cover (1) through the second hinged shaft (62); the first spring is arranged on the second hinged shaft (62), when the window body (61) is released, the first spring provides potential energy for the window body (61), so that the window body (61) can be opened automatically; the second spring is arranged on the lock tongue (64), and the second spring can keep the position of the lock tongue (64) unchanged; one end of the window body (61) is provided with the protrusion (65); after the window body (61) is closed, the second spring can pop back the lock tongue (64), the lock tongue (64) locks the protrusion (65), and the window body (61) is prevented from being opened; the electromagnet (66) is connected with the controller, and the controller can make the electromagnet (66) generate magnetism and attract the lock tongue (64), so that the window body (61) is released, and the automatic opening of the safety window (6) can be realized; The head cover (1) includes a cover body (11), a first hinged shaft (13) and a movable side plate (14), the first hinged shaft (13) is arranged at the two sides of the cover body (11), and the movable side plate (14) is rotationally connected with the cover body (11) through the first hinged shaft (13); by rotating the movable side plate (14), the opening of the head cover (1) can be expanded or reduced, so that the head cover (1) can adapt to different body position requirements of the trainee; The finger sleeve is further included, the finger sleeve is connected with the controller, the blood oxygen sensor and the heart rate sensor are arranged on the finger sleeve, the blood oxygen saturation and the heart rate of the trainee are measured through the blood oxygen sensor and the heart rate sensor; when the blood oxygen concentration of the trainee is lower than 60%, the controller can immediately open the safety window (6), so that fresh air enters the inside of the head cover (1) and oxygen is provided for the trainee.

2. The hooded hypoxic environment acclimatization training device of claim 1, wherein, The head cover (1) is a transparent head cover.

3. The head-mounted hypoxic exposure training device of claim 1, wherein, The head cover (1) includes an opening, and the head of the trainee can enter the head cover (1) from the opening.

4. The head-mounted hypoxic exposure training device of claim 3, wherein, The control box (2) further includes a nitrogen supply unit, the nitrogen supply unit is connected with the controller, and the controller controls the nitrogen supply unit to deliver the mixed gas of nitrogen and oxygen into the head cover (1).

5. The head-mounted hypoxic exposure training device of claim 4, wherein, The nitrogen supply unit is a nitrogen making machine.

6. The head-mounted hypoxic exposure training device of claim 4, wherein, The first display screen is arranged on the control box (2) and connected with the controller.

7. The head-mounted hypoxic exposure training device of claim 1, wherein, The gas distribution path (7) is arranged on the head cover (1) and connected with the main gas path (3).

8. The head-mounted hypoxic exposure training device of claim 1, wherein, The support (5) has one end connected with the head cover (1) and the other end as a supporting end.

9. The head-mounted hypoxic exposure training device of claim 8, wherein, The supporting end is a base for placing the support (5) on the ground, or the supporting end is a clamp for being connected with a seat or a bed.

10. The head-mounted hypoxic exposure training device of claim 8, wherein, The length of the support (5) can be adjusted and kept.

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