JP2003105996A - Low oxygen training pool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a low oxygen training pool that can easily create low oxygen environment in a part of an existing indoor pool and easily put it back into normal environment. SOLUTION: This low oxygen training pool is provided with a movable low oxygen feeder 5 for feeding low oxygen air; a pool cover unit 4 provided with internal environment sensors 12, 13, 15 for measuring oxygen concentration, carbon dioxide concentration and pressure in an environment atmosphere in a partitioned part formed in a part on the water surface of an indoor pool and setting the supply quantity and exhaust quantity of normal air to be mixed with low oxygen air on the basis of the measured values, an exhaust means 17 provided with a control means for controlling the exhaust quantity on the basis of the measured values of the internal environment sensors, and a connecting part 14 for detachably connecting the movable low oxygen feeder 5; an indoor sensor 16 for measuring an indoor environment atmosphere; an elevating means for moving the pool cover unit from the indoor ceiling; and a holding means for holding the pool cover unit in the lifted position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hypoxic training pool for partitioning a part of an indoor pool on the surface of the pool to create a hypoxic environment in the partitioned interior.

[0002]

2. Description of the Related Art In recent years, in the field of sports, high-altitude training performed under a low-pressure and low-oxygen environment for the purpose of enhancing cardiopulmonary function in order to enhance the oxygen supply capacity to each cell in the body has attracted attention. ing.

Even in swimming competitions, top-level athletes who participate in the Olympics take in this high-altitude training and perform high-altitude training in high altitudes where there is a low oxygen environment.

However, in high-altitude training, the athletes generally have to travel to highlands, which are remote areas, which requires high costs such as transportation costs and staying costs, and ordinary athletes can easily perform high-altitude training. I couldn't. In addition, in competitions that require special equipment such as pools, it was necessary to create training equipment on high ground.
Further, the high-altitude environment for high-altitude training is often not an ideal training environment because other natural environments such as low temperature and low humidity also act.

Therefore, for the purpose of carrying out training in a low oxygen environment without going to a high altitude, Japanese Patent Laid-Open No. 4-3.
Japanese Patent No. 12477 discloses an invention that utilizes a space in the foundation ground to control the pressure of the space to create a low oxygen environment. Further, Japanese Patent Laid-Open No. 2000-27472 discloses an invention in which a room adjacent to a machine room equipped with an air conditioner is used as a training room and the training room is a low oxygen environment.

[0006]

As described above, in the conventional art, in order to create a low oxygen environment, it is necessary to make the space in the ground and the environment atmosphere in the room all low oxygen environments, and it is easy to perform low oxygen training. There was a problem that it was not possible to create a low oxygen environment for use.

Particularly, in a competition requiring special equipment such as a pool, it is necessary to newly construct equipment for low oxygen environment in order to perform training in low oxygen environment.
There was a problem that a high cost and a dedicated space were required.

Therefore, the present invention was devised to solve the problems in the prior art, and it is possible to easily create a low oxygen environment in a part of an existing indoor pool without the need to construct new equipment. In addition, it is a technical issue to provide a hypoxic training pool that can easily return the created hypoxic environment to a normal environment, and therefore, to conduct training in a general hypoxic environment. The purpose is to enable.

[0009]

[Means for Solving the Problems] [Means for Solving the Problems] Of the present invention for solving the above-mentioned technical problems, a means for carrying out the invention according to claim 1 is a low oxygen training pool, which is a mobile low oxygen supplying low oxygen air Supplying equipment and a part of the indoor pool water surface, measuring the oxygen concentration, carbon dioxide concentration and pressure in the environmental atmosphere inside the compartment, and supplying normal air that mixes with low oxygen air based on the measured values An internal environment sensor for setting the exhaust amount and the exhaust amount, an exhaust means provided with a control means for controlling the exhaust amount based on the measurement value of the internal environment sensor, and a connecting portion for detachably connecting the mobile low oxygen supply device. A pool cover unit provided, an indoor sensor for measuring an indoor environment atmosphere outside the pool cover unit, an elevating means for vertically moving the pool cover unit from an indoor ceiling, and a pool Providing the holding means for holding the bar unit in the raised position, in.

In an existing indoor pool, an elevating means having a pool cover unit connected to an indoor ceiling is installed, and the elevating means is used to lower the pool cover unit onto the pool water surface and land it. A part of the water surface can be partitioned from the outside.

By connecting a mobile low oxygen supply device to the connecting portion of the pool cover unit and supplying low oxygen air into the pool cover unit, a low water is partially added to a part of the pool water surface partitioned by the pool cover unit. Can create an oxygen environment.

The low oxygen environment in the pool cover unit is
Based on the measurement value of the internal environment sensor, the supply amount of normal air is adjusted to obtain a desired safe low oxygen concentration.

Further, the exhaust means is controlled on the basis of the measured values of the internal environment sensor and the indoor sensor so that the pressure of the internal environment atmosphere in the pool cover unit becomes slightly negative than the pressure of the external environment atmosphere. , The displacement is adjusted. For this reason, the pool cover unit does not float on the pool water surface, and a part of the pool water surface is confidentially divided by the pool cover unit.

When the hypoxic training pool is not used, the mobile hypoxia supply device is detached from the connecting portion of the pool cover unit, the pool cover unit is moved upward by using the elevating means, and the pool cover unit is held at the elevated position. Therefore, the indoor pool can be easily returned to the normal environment.

Further, the mobile hypoxia supply device removed from the pool cover unit can be stored in a position where it does not interfere with the indoor pool, and when the hypoxia training pool is not used, these devices interfere. do not become.

According to a second aspect of the present invention, in addition to the configuration of the first aspect of the invention, the pool cover unit is formed in a size that partitions one course of the swimming pool.

Since the entire area of one course of the swimming pool is partitioned from the outside by the pool cover unit, a low oxygen environment can be created over the entire surface of the water surface of the course of the swimming pool, and swims back and forth in one course. Hypoxic training can be performed under the same conditions as normal swimming training.

In addition, in the same pool, at the same time, an athlete who trains in a normal environment and an athlete who performs hypoxic training in one course divided by a pool cover unit,
Similar training can be performed.

According to a third aspect of the present invention, in addition to the configuration of the first or second aspect of the invention, a folding portion is provided at the bottom of the pool cover unit.

When the low oxygen training pool is not used, the folding portion at the bottom of the pool cover unit can be folded and the pool cover unit can be compactly stored and held in the raised position.

According to a fourth aspect of the present invention, in addition to the constitution of the first, second or third aspect of the present invention, safety holding control means for holding the pool cover unit safely at the upper limit is provided. Is.

When the low oxygen training pool is not used, the pool cover unit is safely held at the upper limit of the pool water surface, so that the indoor pool can be used safely even under the held pool cover unit. .

The invention according to claim 5 is the same as claim 1,
The structure of the invention described in 3 or 4 is added with a wave-eliminating device provided in a portion of the pool cover unit near the pool water surface.

When training is carried out on a course inside the pool cover unit or on an adjacent course outside the pool cover unit, artificial waves are generated in the pool due to the swimming action. Since the wave canceling device absorbs the artificial wave, it is possible to prevent the pool cover unit from swinging due to the artificial wave.

The invention according to claim 6 is the same as claim 1,
In addition to the configuration of the invention described in 3, 4, or 5, the pool cover unit is formed by using a transparent material capable of recognizing the inside and outside of the pool cover unit.

When a part of the pool water surface is divided by the pool cover unit, the inside of the pool cover unit is in a sealed state, and since the lower surface is the water surface, a considerable feeling of pressure may be felt. Therefore, the pool cover unit is formed by using a transparent material that can recognize the inside and outside, and this feeling of pressure is reduced.

[0027]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an explanatory diagram showing a schematic configuration of a low oxygen training pool 1 in which a part of the pool water surface is partitioned.

As shown in FIG. 1, the hypoxic training pool 1 includes a pool cover unit 4 in the shape of a semi-cylindrical section that partitions the water surface of the pool 3 in the indoor 2 and a pool cover unit 4.
A plurality of pulleys 7 for connecting the mobile low oxygen supply device 5 connected to the pool cover unit 4 and the pool cover unit 4 and guiding the supporting wire 6 are provided on the ceiling portion 2a of the indoor 2, and the motor is operated by the switch operation of the operation panel 10. 9 is driven to wind the wire 6 around the drum 8 and the pool cover unit 4 is automatically moved up and down, which is a hoisting device, and a counterweight 11 which is a holding means for holding the pool cover unit 4 in the raised position. It consists of and. In addition,
FIG. 1 shows a state in which the pool cover unit 4 has landed on the water surface of the pool 3.

The pool cover unit 4 includes an internal oxygen concentration sensor 12 for measuring the oxygen concentration in the environmental atmosphere inside the pool cover unit 4, an internal carbon dioxide concentration sensor 13 for measuring the carbon dioxide concentration, and an internal portion for measuring the internal pressure. An indoor environment sensor 1 is provided which is provided with an internal environment sensor consisting of a pressure sensor 15 and which measures oxygen concentration, carbon dioxide concentration and pressure in an environment atmosphere outside the pool cover unit 4 which serves as a reference value of the measured value of the internal environment sensor.
6 is provided in the indoor pool.

Further, in the pool cover unit 4, a connecting portion 14 for connecting the mobile low oxygen supply device 5 to the pool cover unit 4 using the flexible duct 14a and the measured value of the internal environment sensor described above, The exhaust device 17 is provided with an inverter control fan 17a for controlling the exhaust amount.

Further, in the pool cover unit 4, an emergency button 18 electrically connected to the mobile low oxygen supply device 5 is provided. In addition, the pool cover unit 4 is provided with an entrance / exit door 4g for allowing a user to enter and exit from the inside and outside of the pool cover unit 4 where the water has landed.

The mobile low oxygen supply device 5 is equipped with a low oxygen generator using a membrane separation system or a pressure fluctuation adsorption (PSA method) system, and mixes low oxygen air separated from normal air with normal air. It is a device for supplying low oxygen air having a desired oxygen concentration.

The amount of normal air mixed with the low-oxygen air generated from the low-oxygen generator of the mobile low-oxygen supply device 5 is based on the measurement value of the internal environment sensor including the oxygen concentration sensor 12 and the carbon dioxide concentration sensor 13. Determined.

When the oxygen concentration in the pool cover unit 4 becomes too low, the supply amount of the normal air mixed with the low oxygen air is increased based on the measured values of the oxygen concentration sensor 12 and the carbon dioxide concentration sensor 13, The oxygen concentration supplied from the mobile low oxygen supply device 5 through the flexible duct 14 increases, and the oxygen concentration in the pool cover unit 4 increases.

On the other hand, when the oxygen concentration or the carbon dioxide concentration in the pool cover unit 4 becomes too high, the inverter control fan 17a uses a signal based on the measured values of the oxygen concentration sensor 12 and the carbon dioxide concentration sensor 13 as one of the parameters. The rotation speed of is controlled.

That is, when the oxygen concentration or carbon dioxide concentration of the internal environment atmosphere in the pool cover unit 4 becomes too high, the rotation speed of the inverter control fan 17a increases and the internal environment atmosphere in the pool cover unit 4 increases. Is discharged to the outside, low oxygen air is supplied from the mobile low oxygen supply device 5, and the oxygen concentration in the pool cover unit 4 is reduced.

Therefore, the inside of the pool cover unit 4 is adjusted so as to have a desired low oxygen environment, and a safe environment is provided so as not to reach an oxygen concentration level which is dangerous for a person training in the pool cover unit 4. Is maintained.

Further, when an emergency such as poor physical condition occurs in a person who is training in the pool cover unit 4 by the emergency button 18 provided on the pool cover unit 4, the emergency button 18 is pressed to cause an accident. Is sent to the outside and an electric signal is transmitted from the emergency button 18 to the mobile hypoxia supply device 5, so that normal air is supplied from the mobile hypoxia supply device 5 to the pool cover unit 4.
The inside of the pool cover unit 4 can be returned to a normal environment.

Thus, the hypoxic training pool 1
Responds to the accident of the user, and can quickly return the inside of the pool cover unit 4 to the normal environment, thereby improving the safety of the hypoxic training pool.

Further, the pressure inside the pool cover unit 4 is measured by the pressure sensor 15, and the inverter control fan is used so that the pressure inside the pool cover unit 4 becomes a little negative pressure with the measured value of the indoor sensor 16 as a reference value. 1
The number of revolutions of 7a is controlled to set the exhaust amount of the internal environmental atmosphere in the pool cover unit 4.

Since the pressure in the pool cover unit 4 is kept slightly negative than the pressure in the indoor pool, the pool cover unit 4 does not float to the pool water surface due to buoyancy, and
Part of the water surface of the pool can be kept secretly from the outside to maintain a low oxygen environment.

Next, the usage state of the low oxygen training pool 1 will be described. FIGS. 2A to 2C are explanatory diagrams showing a schematic configuration of the hypoxic training pool 1 installed in an indoor pool when the hypoxic training pool 1 is used and when it is not used.

As shown in FIG. 2 (a), when the low oxygen training pool 1 is not used, the mobile low oxygen supply device 5 is removed from the flexible duct and the pool cover unit 4 is driven by driving the motor 9 of the hoisting device. The wire 6 connecting the above is wound around the drum 8, the weight of the counterweight 11 is increased, and the pool cover unit 4 is held in a state of being suspended from the pulley 7 of the ceiling portion 2a at the raised position.

Further, as shown in FIG. 2 (b), when the hypoxic training pool 1 is used, the weight of the counterweight 11 is reduced and the pool cover unit 4 is lowered by operating the switch of the operation panel 10. And land on the surface of pool 3.

Then, as shown in FIG. 2C, the flexible duct 14 is attached to the connecting portion 14 of the pool cover unit 4.
The mobile low oxygen supply device 5 is connected using a to supply low oxygen air into the pool cover unit 4, and a part of the pool water surface partitioned by the pool cover unit 4 becomes a low oxygen environment.

Next, a safety maintenance control device which is an embodiment of safety maintenance control means for retaining the pool cover unit 4 at the ascending limit when the low oxygen training pool is not used will be described. 3A to 3C are explanatory views showing the schematic configuration of the safety maintenance control device.

As shown in FIGS. 3 (a) to 3 (c), the pool cover unit 4 is provided with a cylindrical interlock device 20 on its top 4a, and this interlock device 20 is provided on the top of the cylinder. The switch mechanism 22 provided, the rod 21 housed inside the interlock device 20 when unlocked, and protruding horizontally from the interlock device 20 when the lock is activated, and the safety switch mechanism 23 provided at the tip of the rod 21. And a small motor 24 in which the rod 21 is housed in the interlock device 20 by driving the motor and the rod 21 is projected horizontally from the interlock device 20 when the lock is activated.

Further, the interlock device 20 is fitted to the ceiling portion 2a of the indoor pool 2 at the upper limit of the pool cover unit 4, and the recessed fitting portion 25 is provided with the switch sensor 26 for detecting the contact of the switch mechanism 22. And a rod 21 protruding horizontally from the interlock device 20,
Rod fitting part 2 provided with a safety sensor 28 for detecting contact of a safety switch mechanism 23 provided at the tip of rod 21.
7 is provided with a safety holding portion.

Switch sensor 26 and safety sensor 2
8 is electrically connected to an operation panel 10 of a hoisting device that moves the pool cover unit 4 up and down, and a lock operation and a lock release can be performed by a switch operation of the operation panel 10. The operation panel 10 is provided with a warning lamp and a safety lamp for notifying lock operation and lock release.

As shown in FIG. 3A, when the wire 6 connecting and supporting the pool cover unit 4 is not wound up to the rotation limit of the drum 8, the interlock device 20 is attached to the ceiling portion 2a. Do not fit in the provided recessed fitting portion 25,
Further, since the safety switch mechanism 23 does not come into contact with the safety switch sensor 27, the safety switch sensor 27 does not operate and the warning lamp notifying that the operation panel 10 is unlocked is lit.

Next, as shown in FIG. 3 (b), the wire 6 connecting and supporting the pool cover unit 4 is lifted up to the rotation limit of the drum 8, and the interlock device 20 is closed. The switch mechanism 22 fitted to the recessed fitting portion 25 of the safety holding portion provided on the ceiling 2 a and provided on the top of the interlock device 20 has the switch sensor 26 inside the recessed fitting portion 25.
To contact.

Then, as shown in FIG. 3 (c), the lock actuating signal is transmitted from the switch mechanism 22 to drive the small motor 24, so that the rod 21 projects horizontally from the inside of the interlock device 20, and 21 is fitted to the rod fitting portion 27, and the pool cover unit 4 is stably held by the safety holding portion of the ceiling portion 2a.

When the rod 21 is fitted in the rod fitting portion 27 and the pool cover unit 4 is held on the ceiling portion 2a, the safety switch mechanism 23 provided at the tip end of the rod 21 causes the rod fitting portion 27 to move. Safety switch sensor 28
, The safety switch sensor 28 senses the contact of the safety switch mechanism 23, transmits a signal indicating the lock operation of the interlock device 20, the warning lamp of the operation panel 10 is turned off, and the safety lamp is turned on. .

On the other hand, when it is desired to unlock the interlock device 20, the switch of the operation panel 10 is operated.
A lock release signal is transmitted through the switch sensor 26. A lock release signal is transmitted from the switch mechanism 22 to the small motor 24 through the switch sensor 26, and the small motor 24 is driven so that the rod 21 is attached to the rod fitting portion 27.
The pool cover unit 4 is unlocked and stored in the interlock device 20, and the pool cover unit 4 is unlocked from the safety holding portion of the ceiling portion 2a.

Although it is assumed that the rod 21 cannot be removed from the rod fitting portion 27 due to the load of the pool cover unit 4, in that case, the small motor 24 is driven to move the rod 21 into the rod fitting portion 27. It is conceivable that the rod 21 is floated for a short period of time, and the rod 21 is removed from the rod fitting portion 27 during that time.

When the rod 21 is housed in the interlock device 20 on the basis of the unlock signal, the safety switch sensor 28 senses that the safety switch mechanism 23 has separated, and sends a signal indicating the unlocking. The safety lamp goes off and the warning lamp goes on again.

Thus, the hypoxic training pool 1
When not using, the pool cover unit 4 can be safely held in the safety holding portion of the ceiling portion 2a at the rising limit by the above-mentioned safety control means. Under 4 you can do swimming and other training with peace of mind.

Next, the form of the pool cover unit 4 will be described. As shown in FIG. 4, the pool cover unit 4 has a size that partitions one course of the swimming pool 3, and if the distance of one course of the swimming pool 3 is 50 m, the pool cover unit 4 has a size that partitions this one course of 50 m. Form.

The pool cover unit 4 has an acrylic top 4a, and a plurality of support members 4c made of a light metal such as aluminum or titanium are provided at a plurality of longitudinal positions of the top 4a. It retains the form of unit 4.

A plurality of wires 6 for supporting the pool cover unit 4 are connected to a plurality of places of the support member 4b,
The wire 6 connected to the pulley 7 enables the pool cover unit 4 to move up and down.

Since one course of the swimming pool 3 is divided by the pool cover unit 4, the entire area of the surface of the water between the courses of the swimming pool can be made into a low oxygen environment, and a normal course of reciprocating one course can be performed. Hypoxic training can be performed in a state similar to swimming competition.

FIGS. 5 (a) to 5 (c) are explanatory views showing the state of the pool cover unit 4 when the hypoxic training pool 1 is used and not used. As shown in FIGS. 5 (a) to 5 (c), a folding portion 4b made of vinyl that can be folded into a bellows shape is formed below the top portion 4a of the pool cover unit 4.

As shown in FIG. 5 (a), when the low oxygen training pool 1 is not used, the bellows-shaped folding part 4b of the pool cover unit 4 is folded and the folding part 4 is folded.
The hooking portion of the storage hook 4d provided on the upper part of b is hooked on the hooking tool 4e provided on the lower part of the folding part 4b to fix the folded state and hold the pool cover unit 4 in the raised position.

For this reason, when the hypoxic training pool 1 is not used, the pool cover unit 4 suspended from the pulley 7 of the ceiling portion 2a is reduced to 1/4 to 3 times of the time of use.
It can be stored in a small size at about one-half the height.

Further, as shown in FIG. 5 (b), when the low oxygen training pool 1 is used, the folded portion 4b at the bottom of the pool cover unit 4 that has descended is stretched.

Then, as shown in FIG. 5 (c), support rods 4f are fixed to the four corners of the pool cover unit 4 and the extended folds 4b are fixed, and the lower end of the folds 4b is attached to the pool 3. After landing, a part of the surface of the pool 3 is divided by the pool cover unit 4 in a confidential manner.

In the pool cover unit 4, both or one of the acrylic top part 4a and the vinyl folding part 4b are formed by using a transparent material so that the outside can be recognized from the inside of the pool cover unit 4. Confidential pool 3 The pressure on the surface of the water is reduced.

Further, since the inside of the pool cover unit 4 can be confirmed from the outside, it is possible to grasp the state of the user who is training in the pool cover unit 4 and to give advice or the like from the outside. Etc. can be confirmed.

FIG. 6 is a side view of the low oxygen training pool 1 in a state where the pool cover unit 4 is in contact with water.

As shown in FIG. 6, a wave-dissipating device 19 also serving as a course rope is provided at a portion of the pool cover unit 4 which is close to the water surface of the pool 3.

When swimming on a course inside the pool cover unit 4 or on an adjacent course outside the pool cover unit, an artificial wave is generated in the pool 3 by the swimming action. Since the pool cover unit 4 lands on almost the entire area in the longitudinal direction of one course, the artificial wave oscillates significantly to generate a larger artificial wave, and the artificial wave is generated inside and outside the pool cover unit 4. It interferes with the training of those who do it.

Therefore, the wave-dissipating device 19 formed in the shape of a multi-faceted porous surface absorbs the artificial wave to suppress the swinging of the pool cover unit 4 to reduce the pool cover unit 4 in a low oxygen environment or in the pool. The user is trained in a normal environment outside the cover unit 4 so that the influence of waves is prevented.

Since the wave breaking device 19 also plays the role of a course rope, the length of the pool cover unit 4 having a size that divides one course into hooks for course ropes provided at both ends of the pool 3 in the longitudinal direction. It is possible to prevent the swing of the pool cover unit 4 by hooking the wave canceller 19 provided in the entire area. Further, not limited to the example shown in FIG. 6, the wave canceller 19 may be provided on the outer surface of the pool cover unit 4, which is a portion of the pool cover unit 4 close to the water surface of the pool 3.

[0074]

Since the present invention has the above-mentioned structure, it has the following effects. According to the invention described in claim 1, the elevating means connected to the pool cover unit is installed on the ceiling of the existing indoor pool, and the elevating means is used to lower the pool cover unit to the surface of the pool, By partitioning a part of the water surface from the outside and supplying low oxygen air into the pool cover unit, a low oxygen environment can be created in a part of the pool water surface.

Therefore, even in a competition that requires special equipment such as a pool as in the conventional art, there is no need for a high cost and a dedicated space for newly constructing equipment for a low oxygen environment. , It is possible to create a low oxygen environment in a part of the existing indoor pool. For this reason, not only top-level athletes but general users can generally perform training such as swimming in a low oxygen environment.

The environmental atmosphere inside the pool cover unit 4 is measured by an internal environment sensor, and based on the measured value, the concentration of low oxygen air supplied into the pool cover unit and the exhaust to the outside of the pool cover unit. Since the displacement amount is set, the inside of the pool cover unit 4 is adjusted to be a safe low oxygen environment, and the safety of the person who performs training in the low oxygen training room 4 is ensured.

Further, the exhaust amount of the exhaust means is controlled based on the measured values of the internal environment sensor and the indoor sensor, and the pressure of the internal environment atmosphere of the pool cover unit is kept slightly negative than the pressure of the external environment atmosphere. Therefore, the pool cover unit does not float on the surface of the pool, and the low oxygen environment is maintained while maintaining the confidentiality inside the pool cover unit.

When the hypoxic training pool is not used, it is possible to easily return to the normal environment by removing the mobile hypoxia supply device from the pool cover unit and holding the pool cover unit in the raised position. The indoor pool can be used.

According to the second aspect of the invention, the pool cover unit having a size that partitions one course of the swimming pool is used to make the entire water surface of one course of the swimming pool a low oxygen environment. You can do the same hypoxic training at the same time in the same pool as the training below.

According to the third aspect of the present invention, a folding portion is provided at the bottom of the pool cover unit, and when the hypoxic training pool is not used, the folding portion of the pool cover unit is folded so that it is compact in the raised position. Since it can be stored and held, it is possible to use the indoor pool under the pool cover unit without disturbing the pool cover unit or visually feeling pressure.

According to the fourth aspect of the present invention, the pool cover unit connected to the elevating means installed in the indoor pool can be stably held at the upper limit by using the safety holding control means. Therefore, when the hypoxic training pool is not used, the indoor pool can be safely used under the held pool cover unit.

According to the fifth aspect of the invention, the wave-dissipating device provided in the portion of the pool cover unit close to the pool water surface absorbs the artificial wave generated by the swimming action of the pool user, and the pool cover Since the unit is prevented from swinging so that the user is not affected by artificial waves, good results from hypoxic training can be expected.

In the invention according to claim 6, since the pool cover unit is formed by using a transparent material which allows the inside and outside of the pool cover unit to be visually recognized, the spirit of the user who performs training in the pool cover unit. It is possible to improve the training efficiency and safety by recognizing internal conditions from the outside of the pool cover unit while reducing the feeling of pressure.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing a schematic configuration of a hypoxic training pool, which is an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a schematic configuration of a low oxygen training pool in use and when not in use, which is an embodiment of the present invention.

FIG. 3 is an explanatory diagram showing a schematic configuration of a lock operation of the safety maintenance control device, which is an embodiment of the present invention.

FIG. 4 is a state diagram showing a hypoxic training pool having a size that partitions one course of an indoor pool, which is an embodiment of the present invention.

FIG. 5 is an explanatory view showing a state of the pool cover unit when the hypoxic training pool is used and not used, which is one embodiment of the present invention.

FIG. 6 is a side view showing a schematic configuration of a hypoxic training pool, which is an embodiment of the present invention.

[Explanation of symbols]

1; Hypoxic training pool 2; Indoor 2a; Ceiling 3; Pool 4; Pool cover unit 4a; top 4b; Folding portion 4c; Support member 4d; Storage hook 4e; Hook 4f; Support rod 4g; doorway 5; Mobile low oxygen supply device 6; wire 7; Pulley 8; Drum 9; Motor 10; Operation panel 11 ； Counterweight 12; Internal oxygen concentration sensor 13; Internal carbon dioxide concentration sensor 14; Connection part 14a; flexible duct 15; Internal pressure sensor 16; Indoor sensor 17; Exhaust device 17a; Inverter control fan 18; Emergency button 19; Wave breaker 20 ； Interlock device 21; Rod 22 ； Switch mechanism 23; Safety switch mechanism 24; Small motor 25; Recessed part 26 ； Switch sensor 27; Rod fitting part 28; Safety sensor

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Mikio Takahashi             Chiba Prefecture Inzai City 1-5 Otsuka 1 Stock Association             Takenaka Corporation Technical Research Institute (72) Inventor Toru Furukawa             1-28 Nishiki, Naka-ku, Nagoya-shi Co., Ltd.             Takenaka Corporation Nagoya Branch (72) Inventor Ryoichi Imai             1-28 Nishiki, Naka-ku, Nagoya-shi Co., Ltd.             Takenaka Corporation Nagoya Branch (72) Inventor Shuichi Yamamoto             8-21-21 Ginza, Chuo-ku, Tokyo Stock market             Takenaka Corporation Tokyo Main Store

Claims (6)

[Claims] 1. A mobile low oxygen supply device for supplying low oxygen air and a part of the indoor pool water surface are partitioned, and the oxygen concentration, carbon dioxide concentration and pressure in the environmental atmosphere inside the compartment are measured, An internal environment sensor that sets the supply amount and exhaust amount of normal air mixed with low oxygen air based on the measured values.
An exhaust unit provided with a control unit for controlling an exhaust amount based on a measured value of the internal environment sensor, and a pool cover unit having a connecting portion detachably connecting the mobile low oxygen supply device, and the pool cover. An indoor sensor for measuring an indoor environment atmosphere outside the unit, and an elevating means for moving the pool cover unit up and down from an indoor ceiling,
A hypoxic training pool provided with holding means for holding the pool cover unit in a raised position. 2. The hypoxic training pool according to claim 1, wherein the pool cover unit is formed in a size that partitions one course of the swimming pool. 3. The hypoxic training pool according to claim 1, wherein a folding portion is provided below the pool cover unit. 4. The hypoxic training pool according to claim 1, further comprising safety retention control means for safely retaining the pool cover unit at an ascending limit. 5. The hypoxic training pool according to claim 1, 2, 3 or 4, wherein a wave-eliminating device is provided in a portion of the pool cover unit near the pool water surface. 6. The hypoxia training pool according to claim 1, 2, 3, 4, or 5, wherein the pool cover unit is formed of a transparent material capable of recognizing the inside and outside of the pool cover unit.