JP2004337497A - Oxygen enrichment machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an oxygen enrichment machine which can be used by several persons without feeling any sense of discomfort. <P>SOLUTION: The oxygen enrichment machine comprises a main unit 1 having an oxygen enrichment means (not shown) for generating oxygen-enriched air and a discharge unit 21 having a discharge outlet 21a for discharging the oxygen-enriched air in the vicinity of the mouth of a user. The discharge unit 21 and the main unit 1 are connected via a third connecting tube 29 whose one end is attached detachably to the discharge unit 21. With such a constitution the user can keep one's own discharge unit 21 for connecting to the oxygen enrichment machine used by general public and can use the machine without feeling any sense of discomfort. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an oxygen enricher that provides oxygen-enriched air to a user.
[0002]
[Prior art]
A conventional oxygen enrichment device includes a device body for concentrating oxygen in the air to generate oxygen-enriched air, an oxygen outlet connected thereto, a sound generation source, a headphone type sound output unit, and the like. In addition, the oxygen outlet and the audio output unit are integrated, and the oxygen outlet is positioned at the mouth of a human body so that oxygen can be inhaled (for example, see Patent Document 1).
[0003]
[Patent Document 1]
JP-A-3-63067
[Problems to be solved by the invention]
Such a type of oxygen enrichment device is often used by an unspecified number of people instead of being used exclusively by one person. However, there is a problem that even if the user does not wear it directly on the mouth, he / she may feel uncomfortable because he / she is close to the mouth.
[0005]
An object of the present invention is to solve the above-mentioned problems and to provide an oxygen enricher that can be used without discomfort.
[0006]
[Means for Solving the Problems]
In order to solve the above problems, the present invention includes a main body having oxygen enrichment means for generating oxygen-enriched air having a high oxygen concentration, and a discharge port for discharging the oxygen-enriched air near a mouth of a user. Since at least a part of the passage communicating the oxygen enrichment means and the discharge port is made detachable, a member downstream of the detachable portion is secured exclusively for oneself, and the unspecified number of members are provided. By being able to connect to the oxygen enricher used by the person, the oxygen enricher can be used without any discomfort.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
The invention according to claim 1 includes a main body having oxygen enrichment means for generating oxygen-enriched air having a high oxygen concentration, and a discharge port for discharging the oxygen-enriched air near a mouth of a user, Since at least a part of the passage communicating the oxygen enrichment means and the discharge port is made detachable, a member downstream of the detachable portion is secured for its own use. By being able to connect to the oxygen enricher used by humans, the oxygen enricher can be used without any discomfort.
[0008]
According to a second aspect of the present invention, the oxygen-enriching means is formed by an oxygen-enriched film and a pump that sucks air through the oxygen-enriched film. Is obtained.
[0009]
According to a third aspect of the present invention, a discharge unit having a discharge port is provided, and the discharge unit and the main body are communicated with each other through a connection pipe having one end detachably connected to the discharge unit. Can be replaced, and only the discharge unit is used exclusively for oneself, so that storage, carrying, and maintenance are extremely easy.
[0010]
The invention according to claim 4 includes a discharge unit including a discharge port main body connected to a connecting pipe communicating with the main body, and a lid detachably attached to the discharge port main body and having a discharge port. Since only the lid can be replaced, and the part used exclusively for oneself can be replaced with only the lid, storage, carrying and maintenance are extremely easy.
[0011]
According to a fifth aspect of the present invention, an antibacterial filter for suppressing the activity of bacteria and viruses contained in the oxygen-enriched air and / or a HEPA filter for trapping fine particles contained in the oxygen-enriched air are incorporated in the discharge unit. Therefore, bacteria, viruses and fine particles are removed from the oxygen-enriched air to be sucked, which is extremely sanitary.
[0012]
The invention according to claim 6 is a device in which a fragrance that gives a scent to the oxygen-enriched air is incorporated in the discharge unit, and by using a fragrance suited to one's own preference, the oxygen-enriching machine is more comfortable and refreshing. Can be used.
[0013]
According to a seventh aspect of the present invention, at least one of an antibacterial filter, a HEPA filter, and a fragrance is attached to a lid. With the fragrance, you can use the oxygen enricher with ease, comfort, and exhilaration.
[0014]
The invention according to claim 8 is an earpiece which is held so as to be in contact with at least one ear of the user, a discharge unit having a discharge port, and two pieces provided below the earpiece and communicated inside. A connection pipe, a headset unit comprising a connection pipe connecting one of the connection pipes and the discharge unit, and the other connection pipe and the main body are connected by a second connection pipe, Since the position of the discharge unit is fixed to the mouth, oxygen-enriched air can be efficiently sucked.
[0015]
According to the ninth aspect of the present invention, the connecting pipe and the second connecting pipe are made detachable, so that a headset unit dedicated to the user can be connected to an oxygen enricher commonly used, and the prior use can be performed. It can be used comfortably without worrying about the odor of the hair styling agent used for the person's hair.
[0016]
According to the tenth aspect of the present invention, the connection pipe and the connection pipe are made detachable, and the discharge unit can be easily replaced with the one dedicated to the user together with the connection pipe that is frequently touched during use.
[0017]
According to the eleventh aspect of the present invention, the discharge port is covered with a cover made of a detachable and breathable material. If the discharge port is covered with a cover dedicated to the user, the discharge port is extremely inexpensive and has no discomfort. Oxygen enricher can be used for
[0018]
【Example】
Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
[0019]
Inside the main body 1, there is provided an oxygen-enriching means (hereinafter referred to as "oxygen-enriched membrane unit") 2 for increasing the concentration of oxygen and generating so-called oxygen-enriched air, for example, an oxygen-enriched membrane unit. ing. The oxygen-enriched membrane unit 2 is composed of a flat membrane made of an organic polymer, and utilizes the difference in the speed of molecules passing through the membrane. The so-called oxygen-enriched air is obtained. The ratio of oxygen in normal air is about 21% (about 79% of nitrogen), but in the oxygen-enriched air after passing through the oxygen-enriched membrane unit 2 of this embodiment, the ratio of oxygen is about 30%. % (About 70% nitrogen).
[0020]
As shown in FIGS. 6 and 7, the oxygen-enriched membrane unit 2 has a module 5 in which a substantially rectangular oxygen-enriched membrane 4 is attached to both sides of a frame 3 having a mesh structure and a passage is provided between both membranes. It has a substantially rectangular parallelepiped unit structure in which a plurality of layers are stacked, and a part of air flowing around the oxygen-enriched film 4 passes through the oxygen-enriched film 4 by sucking the inside of the passage of the frame 3, and , And oxygen-enriched air is obtained, and the obtained oxygen-enriched air is exhausted from the unit outlet 6, which is the only outlet of the oxygen-enriched membrane unit 2.
[0021]
Inside the main body 1, outside air is sucked into the main body 1 from an intake port 7 provided on the back surface of the main body 1, sent to the oxygen-enriched membrane unit 2, passes through the oxygen-enriched membrane 4, and passes through the frame 3. Has a blower (hereinafter, referred to as a “fan”) 9 such as a motor fan for discharging outside air excluding the air sucked into the passage through an exhaust port 8 provided on a side surface of the main body 1. ing. The fan 9 is provided on the downstream side of the oxygen-enriched membrane unit 2 and near the exhaust port 8, and a circuit 70 is provided on the opposite side of the fan 9 from the oxygen-enriched membrane unit 2. It is attached so that it may become a direction parallel to 3.
[0022]
Reference numeral 10 denotes a suction means such as a pump (hereinafter, referred to as a “pump”), which is provided below the oxygen-enriched membrane unit 2 in the main body 1 and has cooling fans 10 b at both ends of a rotating shaft. The air around the film forming unit 2 is sucked from the oxygen-enriched film 4 into the passage of the frame 3 and sent downstream. Further, the pump 10 sends the oxygen-enriched air that has passed through the oxygen-enriched membrane 4 to a discharge port 12 provided on the side surface of the main body 1 through a silencing pipe 11 on the downstream side. The air is supplied to a headset unit 13 which is an oxygen-enriched air discharging means described later connected to the outlet 12. As the pump 10, a bellows pump having a high operating pressure is used in order to increase the flow rate of the oxygen-enriched air against the pressure loss through the oxygen-enriched membrane 4.
[0023]
Further, the pump 10 is mounted on a sheet metal 37 as shown in FIG. 4, and fitted to a bottom boss of the main body 1 via vibration isolating materials 38 and 39. It is fastened by a washer 40 and a screw 41 for preventing the boss from coming off. Further, the main body 1 is provided with legs 42 having an anti-vibration function on the bottom surface. A thermal fuse 43 for preventing overheating of the motor 10a, which is a driving source of the pump 10, is attached by a cushion 45 so as to urge the motor 10a in a direction of contact with the motor 10a.
[0024]
Reference numerals 16 and 17 denote an inner case left and an inner case right, respectively, which constitute an inner case in which the oxygen-enriched membrane unit 2 and the pump 10 are built, and bearing portions which directly receive the rotary shaft portion 15 of the handle 14 above each of them. 18 and 19 are provided integrally. Reference numeral 20 denotes a holding portion for hooking and holding a headset unit 13 to be described later when the headset unit 13 is not used, and its outer end is a large diameter portion. The holding portion 20 is provided integrally with the rotation shaft portion 15 of the handle 14, and does not need to be separately provided on the side surface of the main body 1, and does not hinder the rotation of the handle 14. Further, since it is provided integrally with the rotating shaft portion 15, the design of the appearance does not have a sense of incongruity and is good.
[0025]
As shown in the schematic configuration diagram of the main part of FIG. 8, a solenoid valve 60 for switching the introduction of outside air is provided in a path between the pump 10 in the main body 1 and the unit outlet 6 of the oxygen-enriched membrane unit 2. Then, before the operation is completed, the solenoid valve 60 is opened for about one minute to suck outside air which has not passed through the oxygen-enriched membrane 4 and send it to the downstream side by the pump 10 so that the air stays in the pipe or the like. The air of high humidity is ventilated, and when water droplets are generated, the air is driven out to a liquid pool 22 described later, so that a path on the way is easy to dry.
[0026]
As shown in FIG. 8, a HEPA filter 61 is provided upstream of the electromagnetic valve 60 for switching outside air introduction. When introducing outside air, the HEPA filter 61 removes 0.3 micron particles. It is configured to remove 99.7%.
[0027]
FIG. 9 shows a connection state between the headset unit 13 and the main body 1. The headset unit 13 is sent to the discharge port 12 formed by a curved pipe rotatably attached to the side of the main body 1. The oxygen-enriched air is supplied to the mouth of the user. A liquid reservoir 22 is provided in a path between the discharge port 12 provided on the side surface of the main body 1 and the headset unit 13, and the discharge port 12 and the liquid pool 22 are made of a flexible transparent material such as vinyl chloride. The liquid reservoir 22 and the headset unit 13 are detachably connected by a flexible second connection tube 24 also made of a transparent tube such as a vinyl chloride tube. Have been. The first connecting pipe 23 and the second connecting pipe 24 contain an antibacterial agent, an antistatic agent, or both.
[0028]
The liquid pool 22 is provided with an O-ring while maintaining its airtightness, and its main body portion is separable into two, 22a and 22b, by a screw method or a press-fitting method, and the main body portion is separated into two and accumulated inside. It is provided so that water droplets and the like can be discharged. At this time, in the screw method, separation and connection are enabled by twisting within one rotation. Further, a pipe portion A30 and a pipe portion protruding into the liquid reservoir 22 from a connection portion between the liquid reservoir 22 and the first connection tube 23 and a connection portion between the liquid reservoir 22 and the second connection tube 24, respectively. B31 is provided, and the pipe part A30 and the pipe part B31 are provided so that the center axes of the pipes are shifted from each other.
[0029]
The headset unit 13 includes an earpiece left 25 for the user's left ear, an earpiece right 26 for the right ear, a headband 27 connecting the earpiece left 25 and the earpiece right 26, There is provided a discharge unit 21 having a discharge port 21a for discharging oxygen-enriched air, and a third connecting pipe 29 which connects and connects the left ear cover 25 and the discharge unit 21 and is freely bendable.
[0030]
The connection between the third connecting pipe 29, the second connecting pipe 24, and the ear pad left 25 is as shown in FIG. That is, the first connection pipe 25a and the second connection pipe 25b are integrally provided on the bottom surface of the earpiece left 25, and the two pipes 25a and 25b define a space 25c provided below the earpiece left 25. Communicated through. One end of the second connection pipe 24 made of a flexible material is removably inserted into the second connection pipe 25. One end of the third connection pipe 29 is removably inserted into the first connection pipe 25a. In order to prevent the third connecting pipe 29 from easily coming off the first connecting pipe 25a during use, the end of the third connecting pipe 29 is inserted into the first connecting pipe 25a by press fitting. I am trying to be.
[0031]
Next, details of the discharge unit 21 will be described with reference to FIGS.
[0032]
The discharge unit 21 is formed of a discharge port main body 21b, an upper opening 21c of the discharge port main body 21a in a detachable manner, a lid 21d having the discharge port 21a, a breathable sponge sheet, and the like. It is composed of a cover 21e that detachably covers the body 21d.
[0033]
When attaching the lid 21d to the discharge port main body 21b, the projection 21f provided on one side of the lid 21d is hooked on the concave portion 21g provided on the discharge port main body 21b, and the other end of the lid 21d is pressed downward. , The U-shaped portion 21h enters the discharge port main body 21b while bending inward, and finally the claw 21j provided on the lid 21d is hooked on the concave portion A21k provided on the discharge port main body 21b, and the mounting is completed. . When the lid 21d is detached from the discharge port main body 21b, the hook 21m provided on the lid 21d, which is located above the claw 21j, is pulled upward while being pressed obliquely upward inward. It is released and the lid 21d can be removed.
[0034]
Numeral 34 denotes a disinfecting filter such as a bio-disinfecting filter in which an enzyme is impregnated on a honeycomb substrate (hereinafter, referred to as a "disinfecting filter"), which suppresses the activity of caught bacteria and also the activity of virus. It is for.
[0035]
On the downstream side of the disinfecting filter 34, an HEPA filter of an antibacterial material amenitop, which removes 99.7% of 0.3 micron particles and controls the activities of bacteria and fungus collected by the action of the antibacterial material amenitop. And a high collection efficiency filter (hereinafter referred to as “HEPA filter”) 35.
[0036]
The disinfecting filter 34 and the HEPA filter 35 are held on the lid 21d by claws 21n provided on the lid 21d. Reference numeral 46 denotes a spherical fragrance impregnated with a fragrance, which imparts a scent to the discharged air.
[0037]
The cover 21e that covers the lid 21d is subjected to one or both of disinfection and antibacterial treatment, and is further colored such as red, blue, black, and white so that the owner can be easily classified. Has become.
[0038]
The discharge port main body 21b is integrally provided with a mounting portion 21p into which the other end of the third connection pipe 29 whose one end is connected to the ear contact portion left 25 is detachably press-fitted, and communicates with the discharge port 21a. ing.
[0039]
In addition, 32 shown in FIG. 5 is an operation switch provided on the top surface of the main body 1, and 33 is also provided on the top surface of the main body 1, and displays the operation time by the selected timer or the energization state of the blowing operation. It is a lamp to do. Reference numeral 50 denotes an LED which is provided on the front of the main body 1 and is lit and displayed only during normal operation (supply of so-called oxygen-enriched air having a high oxygen concentration).
[0040]
Next, the operation of the present embodiment based on the above configuration will be described.
[0041]
When the user sets the headset unit 13 on the head and turns on the operation switch 32, a control means (not shown) for supplying operation power to the pump 10 operates, and a lamp 33 indicating the energized state is activated. The lamp is turned on, the pump 10 operates according to the time set by the timer, and the fan 9 operates.
[0042]
Then, by operating the fan 9, outside air is sucked from the intake port 7 provided in the main body 1, and this outside air passes through the oxygen-enriched membrane unit 2 and is discharged from the exhaust port 8 to the outside of the main body. On the other hand, when the outside air passing through the oxygen-enriched membrane unit 2 passes through the oxygen-enriched membrane unit 2, air is sucked into the frame 3 of the oxygen-enriched membrane unit 2 by operating the pump 10. It becomes enriched air. The oxygen-enriched air is sent to the discharge port 12 and is discharged from the discharge port 12.
[0043]
The oxygen-enriched air discharged from the discharge port 12 passes through the first connection pipe 23, the reservoir 22, the second connection pipe 24, the left ear cover 25, and the third connection pipe 29, and is discharged from the discharge unit. 21 and is discharged from the discharge port 21a and discharged to the outside through the cover 21e. The user moves the third connection pipe 29 as needed, and the outlet 21a is brought closer to the mouth or nose, so that the oxygen-enriched air discharged from the outlet 21a is sucked from the mouth or nose. become able to.
[0044]
In the present embodiment, since the second connection pipe 25b and the second connection pipe 24 provided on the left ear pad 25 are detachable, the user uses the headset 13 dedicated to himself / herself in common. It can be connected to the main body 1 of the oxygen enricher and used comfortably without discomfort. Since the hairdressing agent used for the hair has different components including the odor depending on the person, as described above, if the user owns his own headset 13 and uses it, he does not have to worry about the odor of the hairdressing agent. Very comfortable.
[0045]
In this embodiment, since the third connecting pipe 29 and the first connecting pipe 25a provided on the left ear pad 25 are detachable, the user is provided with the third connecting pipe 29 dedicated to himself / herself. The discharge unit 21 is connected to the left ear pad 25 of the headset unit 13 that is commonly used by all, and can be used comfortably without discomfort. In particular, since the third connecting pipe 29 is frequently touched during use, it is very sanitary to use the third connecting pipe 29 dedicated to itself.
[0046]
Furthermore, in this embodiment, since the third connecting pipe 29 and the discharge unit 21 are detachable, the user always carries his / her own discharge unit 21 and shares it when necessary. If one's own discharge unit 21 is connected to the third connection pipe 29 connected to the headset unit 13, the oxygen-rich machine can be used without discomfort. In particular, in this case, since there is no rod-like thing in the discharge unit 21, it is easy to store it in a pocket or a hand-held bag, so that storage and carrying are extremely easy.
[0047]
Further, in the present embodiment, since the discharge port main body 21b of the discharge unit 21 and the lid 21d are made detachable, the user always carries his / her own lid 21d and cover 21e, and when necessary, By attaching the lid 21d and the cover 21e dedicated to the discharge port main body 21b connected to the headset unit 13 used commonly by all, the oxygen-rich machine can be used without discomfort. In particular, in this case, since the disinfecting filter 34, the HEPA filter 35, and the favorite fragrance 46 are incorporated in the lid 21d, the lid 21d can be used more sanitarily and comfortably. Of course, it is extremely easy to store and carry.
[0048]
Furthermore, in this embodiment, since the cover 21d provided with the discharge port 21a is provided with a detachable cover 21e, the user can easily remove the cover 21e from the cover 21d and easily attach the cover 21e to his / her own cover 21e. It can be replaced and used comfortably without any discomfort. In addition, since the cover 21e is colored, it is possible to prevent another user's erroneous use by replacing and using the cover 21e of a different color for each user. In this case, since each individual simply stores and carries his / her own cover 21e, the cost is low and the handling is very easy.
[0049]
Further, in the present embodiment, since the liquid pool 22 is provided in the middle of the path (first and second connection pipes 23 and 24) connecting the main body 1 and the headset unit 13, most of the condensed water carried Collides with the inner wall or the like of the liquid pool 22 and is stopped in the liquid pool 22. For this reason, it is possible to prevent the user from feeling uncomfortable by splashing water droplets from the outlet 21a of the headset unit 13 together with the oxygen-enriched air at the mouth of the user. In addition, since the first and second connection pipes 23 and 24 contain an antibacterial agent and / or an antistatic agent, the propagation of various bacteria and the adhesion of dust can be prevented, so that the first and second connection pipes 23 and 24 can be used cleanly. .
[0050]
Further, a bio-sterilization filter 34 in which an enzyme is attached to a honeycomb base material is provided on the upstream side near the discharge port 21a, and a HEPA filter 35 of an antibacterial material amenitop is also provided on the downstream side also in the vicinity. The bio-sterilizing filter 34 suppresses the activity of the caught bacteria and the like, and further suppresses the activity of the virus. The antibacterial material amenitop HEPA filter 35 removes 99.7% of 0.3 micron particles. In addition, to control the activity of fungi and mold collected by the action of the antibacterial material Amenitop, even if germs etc. occur in the middle of the route, it is necessary for the user to inhale the germs etc. together with oxygen-enriched air, This can be prevented at the final stage before the discharge port 21a to be sucked by the user. Further, since the discharge unit 21 includes the discharge port main body 21a and the lid 21b, the disinfection and replacement of the HEPA filters 34 and 35 and the fragrance 46 can be easily performed. The fragrance 46 is formed by impregnating a liquid. The fragrance 46 can limit the volatilization amount of the fragrance as compared with the liquid, is easy to handle, and has little influence on the deterioration of the surrounding resin.
[0051]
Also, since the cover 21e is subjected to one or both of disinfection and antibacterial treatment, the same effects as those of the above filters can be obtained.
[0052]
Further, the third connection pipe 29 connected to the discharge unit 21 is flexible, so that the third connection pipe 29 is moved so that the discharge port 21a is brought closer to the mouth or nose of the user, so that the discharge port 21a is discharged from the discharge port 21a. Oxygen-enriched air can be efficiently sucked through the mouth and nose.
[0053]
In the above-described embodiment, the headset unit 13 worn by the user on the head is exemplified as the oxygen-enriched air discharge port means. However, the present invention is not limited to this. There is no problem, and there is no problem even if it is a type that is wrapped around a part of the arm or the body with Velcro (registered trademark). Like a dust mask, a type that covers a part of the face using ears or the like does not cause any problem.
[0054]
【The invention's effect】
As described above, according to the present invention, an oxygen enricher used by an unspecified number of people can be used comfortably without feeling uncomfortable.
[Brief description of the drawings]
1 is a cross-sectional view of a main body of an oxygen enrichment device according to an embodiment of the present invention, as viewed from a side surface. FIG. 2 is a cross-sectional view of the main body of the oxygen enrichment device, viewed from the back. 4 is a sectional view of a waist showing a mounting portion of a pump incorporated in the main body. [FIG. 5] (a) Front view of the main body (b) Side view of the main body (c) Rear view of the main body (d) Main body FIG. 6 is an exploded perspective view of a module constituting an oxygen-enriched membrane unit built in the main body. FIG. 7A is an external perspective view of a state in which a plurality of the modules are arranged, and FIG. FIG. 8 is a schematic configuration diagram showing a main part of a supply path of oxygen-enriched air. FIG. 9 is an external view of a headset unit connected to the oxygen-enrichment machine. FIG. 10 is an enlarged sectional view of part A in FIG. 9 FIG. 11 is connected to the headset unit FIG. 12A is a cross-sectional view of a cover attached to the discharge unit, FIG. 12B is a cross-sectional view of a lid attached to the discharge unit, and FIG. 12C is a cross-sectional view of a discharge port body of the discharge unit. Explanation of code]
1 Body 2 Oxygen enrichment membrane unit (Oxygen enrichment means)
4 Oxygen-enriched membrane 6 Unit outlet 9 Fan (blower)
10 pump (suction means)
12 Discharge Port 13 Headset Unit 21 Discharge Unit 21a Discharge Port 21b Discharge Port Main Body 21d Lid 23 First Connection Pipe 24 Second Connection Pipe 25 Earpiece Left 25a First Connection Pipe 25b Second Connection Pipe 29 3 connecting tube 34 antibacterial filter 35 HEPA filter 46 fragrance

Claims (11)

A main body having oxygen enrichment means for generating oxygen-enriched air having a high oxygen concentration, and a discharge port for discharging the oxygen-enriched air near the mouth of a user, wherein the oxygen-enrichment means and the discharge port An oxygen enrichment machine that has at least a part of the communicating passages that can be freely attached and detached. The oxygen enrichment device according to claim 1, wherein the oxygen enrichment means is formed by an oxygen enrichment film and a pump that sucks air through the oxygen enrichment film. The oxygen enrichment device according to claim 1 or 2, wherein a discharge unit having a discharge port is provided, and the discharge unit and the main body are communicated with each other through a connecting pipe having one end detachably connected to the discharge unit. 3. The oxygen rich material according to claim 1, further comprising a discharge unit connected to a connecting pipe communicating with the main body, and a discharge unit including a lid body detachably attached to the discharge port main body and having a discharge port. Chemical machine. 5. The oxygen-enriched device according to claim 3, wherein an antibacterial filter for suppressing the activity of bacteria and viruses contained in the oxygen-enriched air and / or a HEPA filter for trapping fine particles contained in the oxygen-enriched air are incorporated in the discharge unit. Chemical machine. The oxygen-enriching device according to any one of claims 3 to 5, wherein a fragrance that gives a scent to the oxygen-enriched air is incorporated in the discharge unit. 7. The oxygen enricher according to claim 5, wherein at least one of an antibacterial filter, a HEPA filter, and a fragrance is attached to the lid. An earpiece held so as to be in contact with at least one ear of a user, a discharge unit having a discharge port, two connection pipes provided below and connected to the inside of the earpiece, and the connection pipe The oxygen-enrichment according to any one of claims 1 to 7, further comprising a headset unit including a connection pipe connecting one of the discharge pipes and the discharge unit, and the other connection pipe and the main body connected by a second connection pipe. Machine. The oxygen enricher according to claim 8, wherein the connecting pipe and the second connecting pipe are detachable. 9. The oxygen enricher according to claim 8, wherein the connecting pipe and the connecting pipe are detachable. The oxygen enrichment device according to any one of claims 1 to 10, wherein the discharge port is covered with a cover made of a detachable and breathable material.

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