KR20240014028A - Oxygen respirator - Google Patents

Abstract

One embodiment of the present invention includes a main body including an exhalation pipe through which exhaled air passes and an intake pipe through which inhaled air passes, having a space separated from the exhalation pipe, and an oxygen supply unit that stores oxygen and supplies the oxygen to the main body. , and a breathing bag fluidly connected to the main body, wherein an adsorbent for adsorbing carbon dioxide is disposed in the intake pipe. According to this, it is possible to provide an oxygen respirator that does not overheat even when continuously used for a long period of time.

Description

Oxygen respirator {OXYGEN RESPIRATOR}

The present invention relates to oxygen respirators.

An oxygen respirator is a type of equipment that artificially supplies oxygen to the user. These oxygen respirators are not only used to protect people safely during the evacuation process in the event of a disaster such as a fire, toxic gas leak, oxygen deficiency situation, terrorism, etc., but also to help paramedics safely perform rescue operations. It also plays a supporting role.

Meanwhile, in some cases, this evacuation or rescue process lasts for a long period of time. In conventional oxygen respirators, the exhalation and inspiration passages are not separated, so a significant number of vortices are generated within the pipes of the oxygen respirators.

Because of this, there was a problem in that the oxygen respirator overheated during use, causing inconvenience to the user when wearing it for a long period of time. Accordingly, there is a need for an oxygen respirator that can maintain a temperature suitable for the user's use even if worn for a long period of time.

Republic of Korea Patent Publication No. 10-1741049

The technical problem to be achieved by the present invention is to provide an oxygen respirator that does not overheat even when continuously used for a long period of time.

The technical problem to be achieved by the present invention is not limited to the technical problem mentioned above, and other technical problems not mentioned can be clearly understood by those skilled in the art from the description below. There will be.

In order to achieve the above technical problem, an embodiment of the present invention is a main body including an exhalation pipe through which exhaled air passes and an intake pipe through which inhaled air passes, having a space separated from the exhalation pipe, storing oxygen, and the main body. An oxygen respirator is provided, comprising an oxygen supply unit that supplies the oxygen to the main body, and a breathing bag unit fluidly connected to the main body unit, wherein an adsorbent for adsorbing carbon dioxide is disposed in the intake pipe.

In addition, in one embodiment of the present invention, a first pipe is formed at one end of the main body portion to fluidly connect the breathing mask worn by the user and the main body portion, and at the other end of the main body portion, the breathing bag portion and the main body portion are formed. It may be an oxygen respirator in which a second pipe is fluidly connected.

Additionally, in one embodiment of the present invention, the exhalation pipe may be an oxygen respirator in which the exhalation pipe is formed in a shape that extends in length along an imaginary line passing through the first pipe and the second pipe.

Additionally, one embodiment of the present invention may be an oxygen respirator, where one end of the exhalation tube includes a passage control unit that controls the movement of respiratory gas.

Additionally, in one embodiment of the present invention, the passage control unit may be an oxygen respirator including a check valve that moves gas in one direction.

In addition, one embodiment of the present invention may be an oxygen respirator in which the exhalation pipe is disposed in a central area inside the main body, and the intake pipe is disposed in an outer area inside the main body to surround the exhalation pipe. there is.

In addition, in one embodiment of the present invention, the exhalation pipe is disposed in a first area inside the main body, and the intake pipe is disposed in a second area different from the first area inside the main body. It can be.

Additionally, in one embodiment of the present invention, the oxygen supply unit may be an oxygen respirator arranged to supply the oxygen gas toward the adsorbent of the intake pipe.

Additionally, an embodiment of the present invention may be an oxygen respirator further including an auxiliary coolant storage portion disposed on one side of the main body portion.

In addition, one embodiment of the present invention may be an oxygen respirator in which at least a region of the main body adjacent to the auxiliary coolant storage portion is made of a thermally conductive material.

According to one embodiment of the present invention, it is possible to provide an oxygen respirator that does not overheat even when continuously used for a long period of time.

The effects of the present invention are not limited to the effects described above, and should be understood to include all effects that can be inferred from the configuration of the invention described in the detailed description or claims of the present invention.

Figure 1 is a perspective view showing an oxygen respirator according to an embodiment of the present invention.
Figure 2a is a cross-sectional view showing the main body according to an embodiment of the present invention.
Figure 2b is an explanatory diagram showing the interior of the main body according to an embodiment of the present invention.
Figure 3 is a cross-sectional view showing an oxygen respirator according to an embodiment of the present invention.
Figure 4 is a front view showing an oxygen respirator according to an embodiment of the present invention.
Figure 5 is a cross-sectional view showing an oxygen respirator according to an embodiment of the present invention.

Hereinafter, the present invention will be described with reference to the attached drawings. However, the present invention may be implemented in various different forms and, therefore, is not limited to the embodiments described herein. In order to clearly explain the present invention in the drawings, parts that are not related to the description are omitted, and similar parts are given similar reference numerals throughout the specification.

Terms such as first, second, A, and B may be used to describe various components, but the components should not be limited by the terms. The above terms are used only for the purpose of distinguishing one component from another. For example, a first component may be named a second component, and similarly, the second component may also be named a first component without departing from the scope of the present invention. The term and/or includes any of a plurality of related stated items or a combination of a plurality of related stated items.

Throughout the specification, when a part is said to be "connected (connected, contacted, combined)" with another part, this means not only "directly connected" but also "indirectly connected" with another member in between. "Includes cases where it is. Additionally, when a part is said to “include” a certain component, this does not mean that other components are excluded, but that other components can be added, unless specifically stated to the contrary.

The terms used in this specification are merely used to describe specific embodiments and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise.

In this specification, terms such as “comprise” or “have” are intended to designate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features. It should be understood that this does not exclude in advance the possibility of the existence or addition of elements, numbers, steps, operations, components, parts, or combinations thereof.

Being referred to as “on” or “on” another object includes not only cases where the object is directly on top of the other object, but also cases in which the object is interposed.

As described above, when a user wears an oxygen respirator for a long period of time, the oxygen respirator overheats and the user feels uncomfortable wearing it for a long period of time.

Figure 1 is a perspective view showing an oxygen respirator according to an embodiment of the present invention.

Referring to FIG. 1, in order to solve the above technical problem, the present invention provides an oxygen respirator 10 including a main body 100, an oxygen supply part 200, and a breathing bag 300.

The main body 100 includes an exhalation pipe through which exhaled air passes when the user exhales and an inhalation pipe through which inhaled air passes during the user's inhaled breath, and an intake pipe ( An adsorbent 150 that adsorbs carbon dioxide is disposed in 120).

Inhalation should have a lower carbon dioxide composition compared to exhalation. In the present invention, the molar ratio of carbon dioxide in the intake air can be lowered by disposing the adsorbent 150 to adsorb carbon dioxide in the intake pipe 120.

At this time, the oxygen supply unit 200 supplies oxygen into the main body 100 to cool at least one area within the main body 100 to prevent the oxygen respirator 10 from overheating, and ultimately allows the user to use the oxygen respirator 10 ) can be used comfortably for a long time and can protect the user from low-temperature burns that can occur in the human respiratory system.

Below, each configuration and effect of the oxygen respirator 10 will be described in more detail.

Hereinafter, the main body 100 will be described first.

In one embodiment, the oxygen respirator 10 may include a breathing mask (not shown) connected to an area of the main body 100, and the user breathes by wearing the breathing mask (not shown) on the face. can do.

Figure 2a is a cross-sectional view showing the main body according to an embodiment of the present invention.

Figure 2b is an explanatory diagram showing the interior of the main body according to an embodiment of the present invention.

Referring to FIGS. 2A and 2B, the oxygen respirator 10 according to the present invention is disposed with an adsorbent 150 that adsorbs carbon dioxide (CO ₂ ) within the intake pipe 120.

As described above, the intake air must have a lower carbon dioxide composition ratio compared to the exhaled air, so the molar ratio of carbon dioxide in the gas can be lowered by disposing the adsorbent 150 in the intake pipe 120.

In addition, by placing the adsorbent 150 on the intake pipe 120 in this way, the exhalation and inspiration air are induced to move separately through the exhalation pipe 110 and the intake pipe 120 during the user's breathing process, thereby encouraging the main body. It is possible to prevent eddy currents occurring inside the unit 100, thereby providing the effect of preventing overheating of the oxygen respirator 10.

In one embodiment, the adsorbent 150 is, for example, zeolite, but is not limited to the above example, and can be easily adopted by a person skilled in the art and is capable of adsorbing carbon dioxide. All adsorbents 150 should be interpreted as falling within the scope of the present invention.

Referring to FIGS. 2A and 2B, in one embodiment, the oxygen respirator 10 includes a first pipe 130 disposed at one end of the main body 100 and a second pipe 140 disposed at the other end. can do. The first pipe 130 fluidly connects the breathing mask (not shown) worn by the user with the main body 100, and the second pipe 140 connects the breathing bag 300 and the main body ( 100) is fluidly connected.

At this time, fluidly connected means that when a user uses an oxygen respirator, the respiratory gas (exhaled or inhaled air) passing through the main body is connected so that it can flow into or out of a specific part to another part.

In one embodiment, by including the first pipe 130 and the second pipe 140, when the user uses the oxygen respirator 10 using a breathing mask (not shown), the respiratory gas flows through the first pipe 130. After passing through the main body portion 100, it can flow into the breathing bag portion 300 through the second pipe 140.

In one embodiment, the exhalation pipe 110 may be formed in a shape that extends in length along an imaginary line passing through the first pipe 130 and the second pipe 140. As another example, the exhalation pipe 110 may be formed in a shape whose length extends along an imaginary line connecting the centers of each cross-section of the first pipe 130 and the second pipe 140.

By having the above structure, when the user exhales (exhalation) using the oxygen respirator 10, the first pipe 130, the exhalation pipe 110, and the second pipe ( Exhaled air can be allowed to flow into the breathing bag unit 300 via 140), thereby allowing the user to breathe more stably.

In addition, in order to have the above structure, the step of forming the first pipe 130, the exhalation pipe 110, and the second pipe 140 can be performed in a single process, and through this, the oxygen respirator 10 is manufactured. Process costs can be reduced.

In one embodiment, one or both ends of at least one of the exhalation pipe 110 and the intake pipe 120 may include a passage control unit 115 that controls the movement of respiratory gas. The passage control unit 115 can control the movement of gas flowing into or out of the exhalation pipe 110 without artificial manipulation by the user.

Referring to FIGS. 2A and 2B, in one embodiment, the exhalation pipe 110 may include a passage control unit 115 that controls the movement of exhaled air at one end of the breathing mask (not shown). Through this, when the user of the oxygen respirator 10 exhales (expiration), the exhaled air passes through the exhalation tube 110, but when the user breathes in (inhalation), the passage control unit 115 controls the exhalation pipe 110. By blocking the inflow, the intake air can be prevented from flowing into the exhalation pipe 110.

Referring to FIG. 2B, in one embodiment, the intake pipe 120 has a second passage control unit 125 that controls the movement of intake air at one end of the second pipe 140 connected to the breathing bag 300 side. ) may include. When the user breathes in (inhalation), the second passage control unit 125, which controls the movement of the intake, allows the intake air to flow into the intake pipe 120, but when the user exhales (exhalation), the second passage control unit 125 controls the movement of the intake air. 2 The passage control unit 125 is not opened, thereby preventing exhaled air from flowing into the intake pipe.

Referring to FIG. 2B, in another embodiment, the exhalation pipe 110 may further include a first passage control unit 115 that controls movement of exhaled air at one end of the first pipe 130 side. By further including a first passage control unit 115 that controls the movement of the exhaled air, during the process of breathing, the intake air is prevented from flowing into the exhalation pipe 110, so that most of the intake air flows into the intake pipe 120. It is allowed to flow into the inside, and ultimately, the carbon dioxide in the intake air can be adsorbed on the adsorbent 150 in the intake pipe 120.

In one embodiment, the passage control unit 115 may use a unit that moves gas in only one direction, for example, may include a check valve that moves gas in only one direction, but is not limited to the above example. No, any unit that moves the gas in only one direction, which can be easily selected by a person skilled in the art of the present invention, should be construed as falling within the scope of the present invention.

In one embodiment, the intake pipe 120 may have a space separated from the exhalation pipe 110.

Referring back to FIG. 2A , in one embodiment, the exhalation pipe 110 is disposed in a central area inside the main body 100, and the intake pipe 120 is positioned in the main body 100 to surround the exhalation pipe 110. It can be placed in the inner outer area.

Referring again to FIG. 2B, in one embodiment, the exhalation pipe 110 is disposed in a first area inside the main body 100, and the intake pipe 120 is located in a different area from the first area inside the main body 100. It may be placed in the second area.

In addition, although not shown in the drawing, the intake pipe 120 is disposed in the central area inside the main body 100, and the exhalation pipe 110 is located in an outer area inside the main body 100 to surround the intake pipe 120. can be placed in

In one embodiment, the main body 100 may further include a dehumidifying agent (not shown). The human respiratory tract contains a significant amount of moisture. However, if the environment in which the oxygen respirator is used is overheated or supercooled, and if excessive moisture exists in the respiratory gas, the user may feel discomfort due to the overcooled or overheated air.

Accordingly, by further including a dehumidifier (not shown) inside the main body 100, it is possible to control the humidity in the respiratory gas, thereby providing the effect of controlling impurity particles that may be generated as moisture in advance. , Ultimately, it can provide a more comfortable use environment even if the user uses the oxygen respirator for a long period of time.

In one embodiment, the dehumidifier (not shown) may include silica gel particles, but is not limited to the above example, and any dehumidifier that can be easily selected by a person skilled in the art of the present invention It should be interpreted as falling within the scope of rights of the present invention.

In one embodiment, the dehumidifier (not shown) may be disposed within the intake pipe 120, but is not limited to the above location and may also be disposed and used in the exhalation pipe 140, etc.

Hereinafter, the oxygen supply unit 200 will be described.

As described above, the oxygen supply unit 200 supplies oxygen into the main body 100 to cool at least one area within the main body 100 to prevent the oxygen respirator 10 from overheating, and ultimately allows the user to consume oxygen. The respirator 10 can be used comfortably for a long time.

Figure 3 is a cross-sectional view showing an oxygen respirator according to an embodiment of the present invention.

Figure 4 is a front view showing an oxygen respirator according to an embodiment of the present invention.

Referring to FIGS. 3 and 4, in one embodiment, the oxygen respirator 10 is disposed in one area of the main body 100 and includes an oxygen supply unit that stores oxygen and supplies oxygen to the main body 100. Includes (200).

In one embodiment, the oxygen supply unit 200 includes an oxygen container 210 in which oxygen is stored, and an oxygen gas supply unit that connects the oxygen container 210 and the main body 100 to supply oxygen gas into the main body 100. It may include a supply pipe (220).

In one embodiment, the oxygen gas supply pipe 220 may include at least two supply pipes 225a and 225b. When two or more supply pipes 225a and 225b are included, a sufficient excess amount of oxygen gas can be supplied at a lower rate than the oxygen gas supplied through one supply pipe, which can be effective in cooling the adsorbent 150. .

In one embodiment, the oxygen supply unit 200 may be arranged to supply gaseous oxygen toward the adsorbent 150 within the intake pipe 120.

At this time, supplying gaseous oxygen toward the adsorbent 150 means arranging the adsorbent 150 in the intake pipe 120 and a region of the oxygen supply unit 200 to be adjacent to each other, and injecting oxygen directly into the adsorbent 150. It means to do. In other words, when oxygen is discharged from the oxygen supply unit 200, the temperature of the oxygen is lowered due to the pressure difference, and the low-temperature gaseous oxygen is sprayed directly toward the adsorbent 150, making the adsorbent 150 more effective. This means enabling efficient cooling.

In one embodiment, the oxygen supply unit 200 includes an oxygen container 210 and an oxygen gas supply pipe 220, and the oxygen gas supply pipe 220 may be coupled to one surface of the intake pipe 120. As the oxygen gas supply pipe 220 is coupled to one surface of the intake pipe 120, the oxygen gas contained in the oxygen container 210 is directly transferred to the intake pipe 120 through the oxygen gas supply pipe 220. It can be injected, and through this, it can be sprayed directly onto the adsorbent 150 within the intake pipe 120.

In one embodiment, if gaseous oxygen flows into the main body 100 at too high a rate through the oxygen gas supply pipe 220, the adsorbent 150 may be excessively cooled, and conversely, gaseous oxygen may be excessively cooled. If it flows into the main body 100 at a too slow rate, the cooling effect may be weakened. To prevent this phenomenon, for example, the oxygen supply unit 200 may supply oxygen into the main body 100 at a rate of 1.0 L/min to 3.0 L/min. As another example, the oxygen supply unit 200 may supply oxygen at a rate of 1.5 L/min to 3.0 L/min, and as another example, oxygen may be supplied at a rate of 2.0 L/min to 3.0 L/min. .

In one embodiment, the oxygen container 210 may contain oxygen in a liquid or gaseous state.

In one embodiment, the oxygen container 210 can supply high-pressure oxygen gas into the main body 100 through the oxygen gas supply pipe 220, and for this purpose, the inside of the oxygen container 210 is preferably maintained at high pressure. do. The internal pressure of the oxygen container 210 may be, for example, 100 to 500 bar.

In one embodiment, the oxygen container 210 supplies high-pressure oxygen gas into the main body 100 through the oxygen gas supply pipe 220, and at this time, the gaseous oxygen supplied into the main body 100 is, for example, For example, it is preferable to supply it at 100 to 300 bar.

When oxygen gas is injected into the main body 100 from the high-pressure oxygen container 210 at the above pressure, the oxygen gas expands and its temperature decreases due to the pressure difference inside and outside the high-pressure oxygen container 210. The inside of the main body 100 can be cooled using the cooled low-temperature oxygen gas.

In one embodiment, the oxygen supply unit 200 can cool an area inside the main body 100 by 0 to 10°C using low-temperature oxygen gas, and in another example, it can cool it by 0 to 5°C. You can do it. By cooling an area inside the main body 100 to the above temperature, the temperature of the intake air passing through the intake pipe 120 inside the main body 100 can be lowered, which allows the user to use the oxygen respirator for a longer period of time without discomfort. (10) can be used consecutively.

In one embodiment, the oxygen supply unit 200 includes an oxygen container 210, a container lid 215 that seals the oxygen container 210, and an oxygen gas supply pipe 220 disposed through the container lid 215. ) may include. In this way, by including the container lid 215 that seals the oxygen container 210, high pressure within the oxygen container 210 can be maintained.

Hereinafter, the breathing bag portion 300 will be described.

The breathing bag unit 300 is disposed adjacent to the main body unit 100 and is fluidly connected to the main body unit 100, so that the user's exhaled air flows out from the main body unit 100 and is received.

In one embodiment, when the user breathes using the oxygen respirator 10, the exhaled air of the user may pass through the main body 100 and be stored in the breathing bag 300. Thereafter, when the user inhales, the exhaled air contained in the breathing bag unit 300 escapes, and the inhaled air may pass through the main body unit 100 and flow into the user's lungs.

In one embodiment, the breathing bag unit 300 may include a receiving portion (not shown) in which exhaled air is stored and a housing (not shown) surrounding the receiving portion (not shown). The user can use the oxygen respirator 10 efficiently only when the receiving portion (not shown) where the exhaled air is stored is completely blocked from the outside. By including an accommodating part (not shown) in which exhaled air is stored and a housing (not shown) surrounding the accommodating part (not shown), the accommodating part (not shown) can be made durable against external shock.

In one embodiment, the breathing bag portion 300 may include a receiving portion (not shown) made of an expandable/contractible material. By including a receiving portion (not shown) made of a material that can expand/contract during the process of breathing by the user of the oxygen respirator (10), the pressure of the space where the exhaled air is stored is maintained constant, so that the oxygen respirator (10) It allows the user to breathe in a more comfortable state.

In one embodiment, the receiving portion (not shown) made of an expandable/contractible material is not particularly limited, and can be made of an expandable/contractible material that can be easily selected by a technician with ordinary knowledge in the art. All aspects of the material should be interpreted as falling within the scope of the rights of the present invention.

Hereinafter, the auxiliary coolant storage unit 400 will be described.

Figure 5 is a cross-sectional view showing an oxygen respirator according to an embodiment of the present invention.

Referring to FIG. 5 , in one embodiment, the oxygen respirator 10 may include an auxiliary coolant storage unit 400 connected to one area of the main body 100.

In addition to the oxygen container 210, the auxiliary coolant storage unit 400 stores an auxiliary coolant capable of cooling the main body 100 or a region of the main body 100.

In the process of using the oxygen respirator 10, when an unexpected event occurs and the oxygen respirator 10 is not cooled normally, or when the user uses the oxygen respirator 10 in a special use environment such as a fire, etc. , In an emergency situation, a user of the oxygen respirator 10 may need to arbitrarily or automatically cool the main body 100 or an area of the main body 100.

At this time, by injecting the auxiliary coolant stored in the auxiliary coolant storage unit 400 into the main body 100, the main body 100 or a region of the main body 100 can be cooled.

At this time, the auxiliary coolant may be, for example, carbon dioxide, oxygen, etc. However, it is not limited to the above examples, and all coolants that can be easily selected by those skilled in the art should be construed as falling within the scope of the present invention.

In one embodiment, the auxiliary coolant storage unit 400 may include an auxiliary coolant container and a connection portion connecting the auxiliary coolant container and the main body 100.

In one embodiment, a region of the main body 100 adjacent to the auxiliary coolant storage unit 400 may be made of a thermally conductive material. By having the above structure, the auxiliary coolant injected from the auxiliary coolant storage unit 400 can more efficiently cool the main body 100 or a region of the main body 100.

In one embodiment, the auxiliary coolant storage unit 400 may include a storage valve (not shown) disposed adjacent to one area of the auxiliary coolant storage unit 400. Using the storage valve (not shown), the user can arbitrarily inject the auxiliary coolant from the auxiliary coolant storage unit 400 into the main body 100.

In one embodiment, the oxygen respirator 10 is disposed in one area of the main body 100, and includes a temperature measuring device (not shown) that measures the temperature inside the main body 100, and an auxiliary coolant in the auxiliary coolant storage unit. It may further include a controller (not shown) that controls the operation so that it is injected into the unit 100. At this time, when the temperature measured by the temperature measuring device (not shown) rises above the preset temperature, the controller (not shown) operates to allow the auxiliary coolant in the auxiliary coolant storage unit to be injected into the main body 100. there is.

By further including a controller (not shown), the oxygen respirator 10 can be prevented from overheating in an emergency situation, allowing the user to use the oxygen respirator 10 more comfortably and safely.

The description of the present invention described above is for illustrative purposes, and those skilled in the art will understand that the present invention can be easily modified into other specific forms without changing the technical idea or essential features of the present invention. will be. Therefore, the embodiments described above should be understood in all respects as illustrative and not restrictive. For example, each component described as single may be implemented in a distributed manner, and similarly, components described as distributed may also be implemented in a combined form.

The scope of the present invention is indicated by the patent claims described below, and all changes or modified forms derived from the meaning and scope of the claims and their equivalent concepts should be construed as being included in the scope of the present invention.

10: Oxygenator
100: main body
200: Oxygen supply unit
300: breathing bag portion
400: Auxiliary coolant storage unit

Claims (5)

a main body including an exhalation pipe through which exhaled air passes and an intake pipe through which inhaled air passes, having a space separated from the exhalation pipe;
An oxygen supply unit that stores oxygen and supplies the oxygen to the main body; and
It includes a breathing bag portion fluidly connected to the main body portion,
An oxygen respirator in which an adsorbent for adsorbing carbon dioxide is disposed in the intake pipe. According to claim 1,
At one end of the main body, a first pipe is formed to fluidly connect the main body to a breathing mask worn by the user,
An oxygen respirator wherein a second pipe is formed at the other end of the main body to fluidly connect the breathing bag and the main body. According to clause 2,
The breathing tube is formed in a shape that extends in length along an imaginary line passing through the first pipe and the second pipe. According to claim 1,
An oxygen respirator including a passage control unit at one end of the exhalation tube for controlling movement of respiratory gas. According to claim 1,
An oxygen respirator further comprising an auxiliary coolant storage portion disposed on one side of the main body portion.