JP2004136232A - Oxygen enriching machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an oxygen enriching machine capable of discharging oxygen enriched air toward a user and capable of supplying air wherein oxygen is enriched up to a relatively high concentration into the breathing of the human body without directly bringing a mouth or nose into contact with the main body of the oxygen enriching machine to suck oxygen enriched air. <P>SOLUTION: The oxygen enriching machine is equipped with an oxygen enriching membrane 102 wherein the permeation rate of oxygen is two or more times as large as that of nitrogen, a suction pump 103 for sucking the air and a discharge port 105 for discharging the air after passed through the oxygen enriching membrane 102. The air sucked by the suction pump 103 is passed through the oxygen enriching membrane 102 to be converted to oxygen enriched air and this oxygen enriched air is discharged from the discharge port 105. The oxygen enriching membrane 102 of which the maintenance is unnecessary is used to obtain oxygen enriched air sanitarily and safely discharged to the mouth of a user. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an oxygen-enriching device that provides oxygen-enriched air to a user using an oxygen-enriched film.
[0002]
[Prior art]
The configuration of a conventional oxygen enricher of this type is shown below.
[0003]
An oxygen purifier that generates oxygen-enriched air in a part of an air purifier and discharges it into the room together with the purified air, or sucks oxygen from the end of a pipe provided from the oxygen generator. (For example, refer to Patent Document 1).
[0004]
[Patent Document 1]
JP-A-10-234836
[Problems to be solved by the invention]
However, in the above-described conventional configuration, even if oxygen-enriched air is mixed and discharged into the air discharged from the air purifier, the oxygen is diluted and a significant increase in the oxygen concentration that can be taken into the exhalation of the human body cannot be expected. Was. In addition, when zeolite is used, there is another problem that maintenance is required if the zeolite is operated only as an oxygen condenser. In order to function as an indoor air purifier, it is necessary to use a low-pressure, high-air-volume type blower as a circulating fan. The enriched air cannot be discharged from the main body, and there is only a method of directly sucking it from a pipe provided from a concentrated oxygen generator, and there is a problem that it is unsanitary.
[0006]
The present invention solves the above-mentioned conventional problems, and discharges oxygen-enriched air toward a user, without directly attaching the mouth or nose to the main body and inhaling the air. It is an object of the present invention to provide an oxygen enricher capable of supplying air enriched with oxygen to a relatively high concentration.
[0007]
[Means for Solving the Problems]
In order to solve the above-mentioned conventional problems, the present invention provides an oxygen-enriched membrane having a permeation rate of oxygen higher than that of nitrogen, a suction pump for sucking air, and discharging air after passing through the oxygen-enriched membrane. A discharge port, and control means for controlling the operation of the suction pump, wherein the air sucked by the suction pump is made oxygen-enriched air by passing through the oxygen-enriched film, and the oxygen-enriched air is It is discharged from the discharge port, and can continuously obtain oxygen-enriched air without relying on a chemical reaction.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
The invention according to claim 1 is an oxygen-enriched membrane having a permeation rate of oxygen higher than a permeation rate of nitrogen, a suction pump for sucking air, and a discharge port for discharging air after passing through the oxygen-enriched membrane, Control means for controlling the operation of the suction pump, wherein the air sucked by the suction pump is made into oxygen-enriched air by passing through the oxygen-enriched film, and the oxygen-enriched air is discharged from the discharge port The use of an oxygen-enriched membrane that requires no maintenance makes it possible to obtain oxygen-enriched air that is safely and safely discharged to the mouth of the user.
[0009]
The invention according to claim 2 has a timer function for operating the suction pump for a certain period of time, so that the suction pump may be left running while operating in a high-concentration state, or the user may fall asleep while sucking. There is no danger of intoxication due to longer suction times.
[0010]
According to the third aspect of the present invention, the oxygen concentration of the air after passing through the oxygen-enriched membrane is 25% to 35%, the air amount is 1.5 L or more per minute, and the operation time of the suction pump by the timer function is Within 1 hour, the concentration of oxygen normally sucked into the user's breath can be set to 21% to 30%, and the operation of the suction pump having a vacuum degree of 0.5 atm or more can be maintained within 1 hour. By having a timer function for controlling within time, the effect of sucking oxygen can be exhibited, and the device can be used without danger of oxygen poisoning.
[0011]
According to a fourth aspect of the present invention, an adsorbent or a desiccant for adsorbing moisture is provided in the flow path of oxygen-enriched air downstream of the oxygen-enriched membrane, and the oxygen-enriched membrane is discharged together with oxygen. Spilled water does not enter user's mouth.
[0012]
According to a fifth aspect of the present invention, a water tank is provided in the flow path of the oxygen-enriched air downstream of the oxygen-enriched membrane, and water discharged together with oxygen from the oxygen-enriched membrane enters the mouth of the user. Absent. Further, the water tank serves as a pressure equalizing container, and noise due to air pulsation and vibration by the pump can be suppressed.
[0013]
According to a sixth aspect of the present invention, the intake port communicating with the discharge port in the water tank is provided at a position lower than the discharge port communicating with the oxygen-enriched film in the water tank, and discharges together with oxygen from the oxygen-enriched film. It is possible to prevent the water that has been collected from remaining on the pipes on the way and deteriorate.
[0014]
In the invention described in claim 7, the water tank is detachable from the main body, so that the user can easily exchange water in the water tank every time the user uses the oxygen enrichment device.
[0015]
The invention according to claim 8 is one in which a substance formed from Zn or a Zn compound is disposed in a water tank, and it is possible to suppress the propagation of various bacteria in the water tank.
[0016]
According to a ninth aspect of the present invention, a stand-type or headphone-type discharge section communicating with the discharge port is provided, and a user can suck oxygen-enriched air from the discharge section. The oxygen-enriched air can be sucked away from the main body, thereby reducing the noise felt by the user.
[0017]
According to the tenth aspect, a silencer is provided in the flow path of the oxygen-enriched air in the main body, so that noise can be reduced.
[0018]
According to an eleventh aspect of the present invention, a storage portion for storing the aroma solution is provided so that a liquid having an aroma effect is mixed with the oxygen-enriched air. Can be aspirated. Further, since the aroma solution can be easily exchanged, a plurality of aroma effects can be easily obtained.
[0019]
According to a twelfth aspect of the present invention, a negative ion generator is provided, and negative ions generated by the negative ion generator are mixed with oxygen-enriched air so that a user can suck the air. Can be enlarged.
[0020]
According to a thirteenth aspect of the present invention, the suction pump is fixed to the frame surface substantially perpendicular to the bottom surface of the frame forming the main body, so that the main body can be downsized and the rigidity of the main body can be increased. Low noise can be achieved.
[0021]
According to the fourteenth aspect of the present invention, the water tank is rotatable and can be stored in the main body, so that the water tank can be easily replaced with a small one.
[0022]
【Example】
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
[0023]
In FIG. 1, an oxygen-enriched film 102 that converts air into oxygen-enriched air by passing air through a main body 101 of the oxygen-enriching machine, a suction pump 103 that sucks air through the film, and a suction pump A silencer (silencer) 104 for reducing the pulsation and noise of the air coming out of the pipe 103 and a discharge port 105 for discharging oxygen-enriched air from the main body are connected by piping. When the operation switch 107 is operated from the power cord 106, control means (not shown) for supplying operating power to the suction pump 103 attached via the vibration isolator operates, and the energizing lamp 108 is turned on and the timer 109 is turned on. Operate for the time set in. The atmosphere is sucked through an intake hole 110 provided in the main body 101, passes through the oxygen-enriched film 102, becomes oxygen-enriched air, and is discharged from the outlet 105. The suction pump 103 is a bellows pump having a high pressure at the time of operation in order to increase the flow rate of air against the pressure loss passing through the oxygen-enriched membrane 102, and has a silencer 104 and a vibration damping material against pulsation and vibration of the conveyed air. Works effectively. Here, the oxygen-enriched film 102 has an oxygen-enriched air with an efficient and simple configuration because the oxygen permeation speed is faster than the nitrogen permeation speed, particularly more than twice as fast in this embodiment. Can be created.
[0024]
As shown in FIG. 2, the adsorbing section 111 containing the adsorbent for absorbing the moisture that has come out through the oxygen-enriched membrane 102 may be provided between the air outlet 102a of the oxygen-enriched membrane and the air inlet 103a of the suction pump. it can. Like the oxygen, the oxygen-enriched membrane 102 also has a higher water vapor permeability than nitrogen, and comes out as moisture from the air outlet 102a of the oxygen-enriched membrane 102 when operated in a humid atmosphere. It is prevented that it is adsorbed and flows downstream at 111 and stays in the pipe. A desiccant may be provided instead of the adsorbent, and a heater for heating the storage unit may be provided inside or outside the adsorber. Thus, it is possible to prevent the water droplets from splashing together with the oxygen-enriched air at the mouth of the user and giving discomfort.
[0025]
In FIG. 3, a water tank 114 into which a pump output pipe end 113 is inserted is provided downstream of the oxygen-enriched film 102 and the suction pump 103 in the oxygen-enriching machine main body 112. The air-enriched air is connected to the outlet of the main body by an output pipe 115 from the surface of the water tank 114 by an output pipe 115, and further connected to an outlet 119 provided in a headphone type headband 118 by a tube 117 to supply oxygen to the mouth of the user. Supply. At the pump output pipe end 113 in the water tank 114, a filter 115 for dispersing oxygen-enriched air discharged into water into fine bubbles in water is attached. The water tank 114 also functions as a pressure equalizing container, absorbs the pulsation of the air discharged from the suction pump 103, and can also absorb the water droplets that have come out. Further, a liquid having an aroma effect may be added to the water tank.
[0026]
Next, a stand-shaped outlet shown in FIGS. 4A and 4B will be described as a portion to be connected first from the outlet 116 of the main body. The discharge port main body 121 is supported by a stand 122. The stand 122 may be configured to be able to expand and contract and bend freely. The interior of the discharge port main body is provided with a space 134 in which the atmosphere is introduced as shown by an arrow b around the discharge nozzle 133 which is connected to and communicates with the tube 117. The space 134 is mixed with the oxygen-enriched discharge air c to provide the user with both. It is sucked. Reference numeral 135 denotes a storage unit which is detachably provided on the discharge port main body 121 and has an opening facing the flow path of the discharge nozzle 133, and is a part for storing the aroma solution 135. With these configurations, the oxygen-enriched air from the discharge port 116 of the main body is mixed with the air and supplied to the mouth of the user with the aroma of aroma added from the tip of the discharge nozzle.
[0027]
5, an oxygen-enriched membrane (not shown), a suction pump 138, and a battery 139 are incorporated in the main body 137, and oxygen-enriched air generated from the oxygen-enriched membrane is supplied to the suction pump 138 as in FIG. Is discharged from the discharge port 141 through the water tank 140. By operating the switch 107, the suction pump 138 is operated using the battery 139 as a power supply. The water tank 140 can be moved from the position 140 to the position 143 around the shaft portion 142 of the main body 137 as a rotation center, and at the position 143, the water tank can be attached and detached in the direction of arrow d. The suction pump 138 is attached to the side wall surface of the main body 137 via a vibration isolator 144. With these configurations, the appearance including the aquarium is small and easy to use during use, it is pulled out when replacing the water in the aquarium and it is easy to handle, and the main body can be made small, the outer diameter is small and the rigidity is increased, The vibration of the pump is suppressed to be small, and the noise can be easily reduced. Further, the above-mentioned water tanks contain Zn or a Zn compound (not shown), so that even if water is left for a long period of time, it is possible to prevent germs from growing inside.
[0028]
Furthermore, a negative ion generator (not shown) is provided, and the negative ions generated by the negative ion generator are mixed with oxygen-enriched air so that the user can inhale the air, thereby enhancing the relaxing effect. You can also get it.
[0029]
【The invention's effect】
As described above, according to the present invention, using an oxygen-enriched membrane that does not require maintenance, it is possible to discharge oxygen-enriched air to the mouth of a user with a pump having a high suction vacuum degree. It is not necessary for a person to attach the mouth or nose directly to the main body to inhale, and it is possible to provide an oxygen-enriching machine capable of hygienically supplying relatively high-concentration oxygen-enriched air into human breath.
[Brief description of the drawings]
FIG. 1 is a perspective view (partial cross section) of an oxygen enricher in one embodiment of the present invention.
FIG. 2 is a partial perspective view of another embodiment of the internal configuration. FIG. 3 is a perspective view (partial cross section) of another embodiment of the oxygen enrichment device.
FIG. 4 (a) is a partial perspective view of a discharge port main body of the oxygen enrichment device. FIG. 4 (b) is a sectional view of a discharge port main body of the oxygen enrichment device. Figure (partial cross section)
[Explanation of symbols]
101 body 102 oxygen-enriched membrane 103 suction pump

Claims (14)

An oxygen-enriched membrane having a higher oxygen permeation rate than a nitrogen permeation rate, a suction pump for sucking air, a discharge port for discharging air after passing through the oxygen-enriched membrane, and control for controlling operation of the suction pump Means, wherein the air sucked by the suction pump is passed through the oxygen-enriched membrane to become oxygen-enriched air, and the oxygen-enriched air is discharged from the discharge port. The oxygen enricher according to claim 1, further comprising a timer function for operating the suction pump for a predetermined time. The oxygen concentration of the air after passing through the oxygen-enriched membrane is 25% to 35%, the amount of air is 1.5L or more per minute, and the operation time of the suction pump by the timer function is within 1 hour. Oxygen enrichment machine. The oxygen-enriching device according to any one of claims 1 to 3, wherein an adsorbent or a desiccant that adsorbs moisture is disposed in a flow path of the oxygen-enriched air downstream of the oxygen-enriched membrane. The oxygen-enriching device according to any one of claims 1 to 3, wherein a water tank is provided in a flow path of the oxygen-enriched air downstream of the oxygen-enriched membrane. The oxygen-enriching machine according to claim 5, wherein the intake port communicating with the discharge port in the water tank is provided at a position lower than the discharge port communicating with the oxygen-enriched film in the water tank. 7. The oxygen enricher according to claim 5, wherein the water tank is detachable from the main body. The oxygen enricher according to any one of claims 5 to 7, wherein Zn or a substance formed from a Zn compound is disposed in the water tank. The oxygen-enrichment according to any one of claims 1 to 8, wherein a stand-type or headphone-type discharge portion communicating with the discharge port is provided, and a user can suck oxygen-enriched air from the discharge portion. Machine. The oxygen-enriching device according to any one of claims 1 to 9, wherein a silencer is provided in a flow path of the oxygen-enriched air in the main body. The oxygen-enriching machine according to any one of claims 1 to 10, further comprising a storage section for storing the aroma solution so that a liquid having an aroma effect is mixed into the oxygen-enriched air. The oxygen according to any one of claims 1 to 11, wherein a negative ion generator is provided, and negative ions generated by the negative ion generator are mixed with oxygen-enriched air so that a user can suck the oxygen. Enrichment machine. The oxygen enricher according to any one of claims 1 to 12, wherein the suction pump is fixed to a surface of the frame substantially perpendicular to a bottom surface of the frame forming the main body. The oxygen enrichment device according to any one of claims 1 to 13, wherein the water tank is rotatable and can be stored in the main body.

Images